diff --git a/TemplateDoc.md b/TemplateDoc.md
index de92531..48ba7a7 100644
--- a/TemplateDoc.md
+++ b/TemplateDoc.md
@@ -40,7 +40,7 @@ In other type of templates, the default stage is called.
 
 > variables: subNoteLines: string[], subNoteItem, noteItem
 
-### QuickNoteV2
+### QuickNoteV3
 
 > variables: annotationItem, topItem
 
diff --git a/TemplateUsage.md b/TemplateUsage.md
index 162c7f3..98204c7 100644
--- a/TemplateUsage.md
+++ b/TemplateUsage.md
@@ -33,7 +33,7 @@ Only the template with specific name will be called.
 - QuickInsert: Called when inserting a note link to main note.
 - QuickBackLink: Called when inserting a note link to main note. The template will be inserted to the end of the sub-note and point to the main note by default.
 - QuickImport: Called when importing a sub-note to main note.
-- QuickNoteV2: Called when creating a note from an annotation.
+- QuickNoteV3: Called when creating a note from an annotation.
   > QuickNote is deprecated since v0.6.25
 - ExportMDFileName: Called when exporting notes to markdown in batch/linked notes to markdown mode. The rendered template will be file name.
 
diff --git a/addon/chrome/content/export.xul b/addon/chrome/content/export.xul
index b4754ae..586655e 100644
--- a/addon/chrome/content/export.xul
+++ b/addon/chrome/content/export.xul
@@ -11,14 +11,14 @@
     %knowledgeDTD;
 ]>
 
-<dialog id="betternotes-export-dialog" windowtype="betternotes-export" title="&zotero.__addonRef__.export.title;" orient="vertical" width="300" height="300" buttons="cancel,accept" ondialogaccept="Zotero.Knowledge4Zotero.export.doAccept();" onload="Zotero.Knowledge4Zotero.export.doLoad(window);" onunload="Zotero.Knowledge4Zotero.export.doUnload();" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" xmlns:html="http://www.w3.org/1999/xhtml" style="padding:2em" persist="screenX screenY width height">
+<dialog id="betternotes-export-dialog" windowtype="betternotes-export" title="&zotero.__addonRef__.export.title;" orient="vertical" width="300" height="300" buttons="cancel,accept" ondialogaccept="Zotero.Knowledge4Zotero.NoteExportWindow.doAccept();" onload="Zotero.Knowledge4Zotero.NoteExportWindow.doLoad(window);" onunload="Zotero.Knowledge4Zotero.NoteExportWindow.doUnload();" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" xmlns:html="http://www.w3.org/1999/xhtml" style="padding:2em" persist="screenX screenY width height">
     <script src="chrome://zotero/content/include.js" />
     <vbox flex="1">
         <groupbox flex="1">
             <caption label="&zotero.__addonRef__.export.option.label;"></caption>
             <rows flex="1">
                 <row>
-                    <checkbox id="__addonRef__-export-embedLink" tooltiptext="&zotero.__addonRef__.export.cannotworkwith.label;&zotero.__addonRef__.export.singlefile.enable.label;" checked="true" oncommand="Zotero.Knowledge4Zotero.export.doUpdate(event)" />
+                    <checkbox id="__addonRef__-export-embedLink" tooltiptext="&zotero.__addonRef__.export.cannotworkwith.label;&zotero.__addonRef__.export.singlefile.enable.label;" checked="true" oncommand="Zotero.Knowledge4Zotero.NoteExportWindow.doUpdate(event)" />
                     <label value="&zotero.__addonRef__.export.link.enable.label;" tooltiptext="&zotero.__addonRef__.export.cannotworkwith.label;&zotero.__addonRef__.export.singlefile.enable.label;" />
                 </row>
                 <row>
@@ -31,15 +31,15 @@
             <caption label="&zotero.__addonRef__.export.markdown.label;"></caption>
             <rows flex="1">
                 <row>
-                    <checkbox id="__addonRef__-export-enablefile" checked="true" oncommand="Zotero.Knowledge4Zotero.export.doUpdate(event)" />
+                    <checkbox id="__addonRef__-export-enablefile" checked="true" oncommand="Zotero.Knowledge4Zotero.NoteExportWindow.doUpdate(event)" />
                     <label value="&zotero.__addonRef__.export.file.enable.label;" />
                 </row>
                 <row>
-                    <checkbox id="__addonRef__-export-enablesingle" tooltiptext="&zotero.__addonRef__.export.cannotworkwith.label;&zotero.__addonRef__.export.link.enable.label;" checked="false" oncommand="Zotero.Knowledge4Zotero.export.doUpdate(event)" />
+                    <checkbox id="__addonRef__-export-enablesingle" tooltiptext="&zotero.__addonRef__.export.cannotworkwith.label;&zotero.__addonRef__.export.link.enable.label;" checked="false" oncommand="Zotero.Knowledge4Zotero.NoteExportWindow.doUpdate(event)" />
                     <label value="&zotero.__addonRef__.export.singlefile.enable.label;" tooltiptext="&zotero.__addonRef__.export.cannotworkwith.label;&zotero.__addonRef__.export.link.enable.label;" />
                 </row>
                 <row>
-                    <checkbox id="__addonRef__-export-enableautosync" tooltiptext="&zotero.__addonRef__.export.workwith.label;&zotero.__addonRef__.export.singlefile.enable.label;" checked="false" oncommand="Zotero.Knowledge4Zotero.export.doUpdate(event)" />
+                    <checkbox id="__addonRef__-export-enableautosync" tooltiptext="&zotero.__addonRef__.export.workwith.label;&zotero.__addonRef__.export.singlefile.enable.label;" checked="false" oncommand="Zotero.Knowledge4Zotero.NoteExportWindow.doUpdate(event)" />
                     <label value="&zotero.__addonRef__.export.enableautosync.enable.label;" tooltiptext="Only work with &zotero.__addonRef__.export.singlefile.enable.label;" />
                 </row>
                 <row>
diff --git a/addon/chrome/content/overlay.xul b/addon/chrome/content/overlay.xul
index 0c51b81..ad4d396 100644
--- a/addon/chrome/content/overlay.xul
+++ b/addon/chrome/content/overlay.xul
@@ -22,36 +22,31 @@
         <key id="key_open_betternotes" class="key-type-betternotes" key="O" modifiers="accel" command="cmd_open_betternotes" />
         <key id="key_export_betternotes" class="key-type-betternotes" key="E" modifiers="accel" command="cmd_export_betternotes" />
         <key id="key_sync_betternotes" class="key-type-betternotes" key="S" modifiers="accel,shift" command="cmd_sync_betternotes" />
-        <key id="key_indent_betternotes" class="key-type-betternotes" keycode="VK_TAB" command="cmd_indent_betternotes" />
-        <key id="key_unindent_betternotes" class="key-type-betternotes" keycode="VK_TAB" modifiers="shift" command="cmd_unindent_betternotes" />
     </keyset>
 
     <commandset id="mainCommandSet">
         <command id="cmd_new_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'createWorkspace'});" />
-        <command id="cmd_open_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'selectMainKnowledge'});" />
+        <command id="cmd_open_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'selectMainNote'});" />
         <command id="cmd_open_betternotesWindow" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'openWorkspaceInWindow'});" />
         <command id="cmd_export_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'export', content: {editorInstance: {_item: false}}});" />
         <command id="cmd_sync_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'sync'});" />
-        <command id="cmd_sync_manager_betternotes" oncommand="Zotero.Knowledge4Zotero.syncList.openSyncList();" />
+        <command id="cmd_sync_manager_betternotes" oncommand="Zotero.Knowledge4Zotero.SyncListWindow.openSyncList();" />
         <command id="cmd_editTemplate_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'editTemplate'});" />
-        <command id="cmd_addheading_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'addHeading'});" />
-        <command id="cmd_indent_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'indentHeading'});" />
-        <command id="cmd_unindent_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'unindentHeading'});" />
         <!-- <command id="cmd_importlink_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'importLink'});" />
         <command id="cmd_updatelink_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'updateLink'});" /> -->
         <command id="cmd_autoannotation_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'updateAutoAnnotation'});" />
         <command id="cmd_convertmd_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'convertMD'});" />
         <command id="cmd_convertasciidoc_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'convertAsciiDoc'});" />
-        <command id="cmd_treeview_betternotes" oncommand="Zotero.Knowledge4Zotero.views.switchView(1);" />
-        <command id="cmd_mindmap_betternotes" oncommand="Zotero.Knowledge4Zotero.views.switchView(2);" />
-        <command id="cmd_bubblemap_betternotes" oncommand="Zotero.Knowledge4Zotero.views.switchView(3);" />
+        <command id="cmd_treeview_betternotes" oncommand="Zotero.Knowledge4Zotero.WorkspaceOutline.switchView(1);" />
+        <command id="cmd_mindmap_betternotes" oncommand="Zotero.Knowledge4Zotero.WorkspaceOutline.switchView(2);" />
+        <command id="cmd_bubblemap_betternotes" oncommand="Zotero.Knowledge4Zotero.WorkspaceOutline.switchView(3);" />
         <command id="cmd_guide_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'openUserGuide'});" />
         <command id="cmd_about_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'openAbout'});" />
     </commandset>
 
     <popup id="zotero-itemmenu">
         <menuseparator />
-        <menuitem id="zotero-itemmenu-__addonRef__-setMainKnowledge" class="menuitem-iconic popup-type-single-note" label="&zotero.__addonRef__.itemmenu.setMainKnowledge.label;" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent.bind(Zotero.Knowledge4Zotero.events)({type: 'setMainKnowledge', content: {params: {itemID: ZoteroPane.getSelectedItems()[0].id}}})" style="list-style-image: url('chrome://__addonRef__/skin/favicon.png');" />
+        <menuitem id="zotero-itemmenu-__addonRef__-setMainNote" class="menuitem-iconic popup-type-single-note" label="&zotero.__addonRef__.itemmenu.setMainNote.label;" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'setMainNote', content: {params: {itemID: ZoteroPane.getSelectedItems()[0].id}}})" style="list-style-image: url('chrome://__addonRef__/skin/favicon.png');" />
         <menuitem id="zotero-itemmenu-__addonRef__-exportNote" class="menuitem-iconic popup-type-single" label="&zotero.__addonRef__.itemmenu.exportNote.label;" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent.bind(Zotero.Knowledge4Zotero.events)({type: 'exportNotes', content: {}})" style="list-style-image: url('chrome://__addonRef__/skin/favicon.png');" />
         <menuitem id="zotero-itemmenu-__addonRef__-exportNotes" class="menuitem-iconic popup-type-multiple" label="&zotero.__addonRef__.itemmenu.exportNotes.label;" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent.bind(Zotero.Knowledge4Zotero.events)({type: 'exportNotes', content: {}})" style="list-style-image: url('chrome://__addonRef__/skin/favicon.png');" />
     </popup>
@@ -68,22 +63,18 @@
 
     <menupopup id="menu_EditPopup">
         <menu id="menu_insertTextTemplate_betternotes" class="menu-betternotes" label="&zotero.__addonRef__.workspace.menu.insertTextTemplate;">
-            <menupopup id="menu_insertTextTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.views.updateTemplateMenu('Text');" />
+            <menupopup id="menu_insertTextTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.ZoteroViews.updateTemplateMenu('Text');" />
         </menu>
         <menu id="menu_insertNoteTemplate_betternotes" class="menu-betternotes" label="&zotero.__addonRef__.workspace.menu.insertNoteTemplate;">
-            <menupopup id="menu_insertNoteTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.views.updateTemplateMenu('Note');" />
+            <menupopup id="menu_insertNoteTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.ZoteroViews.updateTemplateMenu('Note');" />
         </menu>
         <menu id="menu_insertItemTemplate_betternotes" class="menu-betternotes" label="&zotero.__addonRef__.workspace.menu.insertItemTemplate;">
-            <menupopup id="menu_insertItemTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.views.updateTemplateMenu('Item');" />
+            <menupopup id="menu_insertItemTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.ZoteroViews.updateTemplateMenu('Item');" />
         </menu>
         <menuitem id="menu_editTemplate_betternotes" class="menu-betternotes" label="&zotero.__addonRef__.workspace.menu.editTemplate;" command="cmd_editTemplate_betternotes" />
         <menu id="menu_citeSetting_betternotes" class="menu-type-betternotes menu-betternotes" label="&zotero.__addonRef__.workspace.menu.citeSetting;">
-            <menupopup id="menu_citeSettingPopup" onpopupshowing="Zotero.Knowledge4Zotero.views.updateCitationStyleMenu();" />
+            <menupopup id="menu_citeSettingPopup" onpopupshowing="Zotero.Knowledge4Zotero.ZoteroViews.updateCitationStyleMenu();" />
         </menu>
-        <menuseparator class="menu-type-betternotes menu-betternotes" />
-        <menuitem id="menu_addheading_betternotes" class="menu-type-betternotes menu-betternotes" label="&zotero.__addonRef__.workspace.menu.addheading;" command="cmd_addheading_betternotes" />
-        <menuitem id="menu_indent_betternotes" class="menu-type-betternotes menu-betternotes" label="&zotero.__addonRef__.workspace.menu.indent;" command="cmd_indent_betternotes" key="key_indent_betternotes" />
-        <menuitem id="menu_unindent_betternotes" class="menu-type-betternotes menu-betternotes" label="&zotero.__addonRef__.workspace.menu.unindent;" command="cmd_unindent_betternotes" key="key_unindent_betternotes" />
         <!-- <menuitem id="menu_importlink_betternotes" class="menu-type-betternotes" label="&zotero.__addonRef__.workspace.menu.importLink;" command="cmd_importlink_betternotes" />
         <menuitem id="menu_updatelink_betternotes" class="menu-type-betternotes" label="&zotero.__addonRef__.workspace.menu.updateLink;" command="cmd_updatelink_betternotes" /> -->
         <menuseparator class="menu-betternotes" />
@@ -107,7 +98,7 @@
     <menupopup id="menu_HelpPopup">
         <menuseparator class="menu-betternotes" />
         <menu id="menu_ocrsetting_betternotes" class="menu-betternotes" label="&zotero.__addonRef__.workspace.menu.OCRSetting;">
-            <menupopup id="menu_ocrsettingpopup" onpopupshowing="Zotero.Knowledge4Zotero.views.updateOCRStyleMenu();">
+            <menupopup id="menu_ocrsettingpopup" onpopupshowing="Zotero.Knowledge4Zotero.ZoteroViews.updateOCRStyleMenu();">
                 <menuitem id="menu_ocr_bing_betternotes" class="menu-betternotes" label="&zotero.__addonRef__.workspace.menu.OCRBing;" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent.bind(Zotero.Knowledge4Zotero.events)({type: 'setOCREngine', content: {params: {engine: 'bing'}}})" type="checkbox" />
                 <menuitem id="menu_ocr_mathpix_betternotes" class="menu-betternotes" label="&zotero.__addonRef__.workspace.menu.OCRMathpix;" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent.bind(Zotero.Knowledge4Zotero.events)({type: 'setOCREngine', content: {params: {engine: 'mathpix'}}})" type="checkbox" />
                 <menuitem id="menu_ocr_xunfei_betternotes" class="menu-betternotes" label="&zotero.__addonRef__.workspace.menu.OCRXunfei;" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent.bind(Zotero.Knowledge4Zotero.events)({type: 'setOCREngine', content: {params: {engine: 'xunfei'}}})" type="checkbox" />
diff --git a/addon/chrome/content/sync.xul b/addon/chrome/content/sync.xul
index bfb1bd2..bba7de6 100644
--- a/addon/chrome/content/sync.xul
+++ b/addon/chrome/content/sync.xul
@@ -11,7 +11,7 @@
     %knowledgeDTD;
 ]>
 
-<dialog id="betternotes-sync-dialog" windowtype="betternotes-sync" title="&zotero.__addonRef__.sync.title;" orient="vertical" width="300" height="300" buttons="cancel,accept,help" ondialogaccept="Zotero.Knowledge4Zotero.sync.doAccept();" ondialoghelp="Zotero.Knowledge4Zotero.sync.doExport();" onload="Zotero.Knowledge4Zotero.sync.doLoad(window);" onunload="Zotero.Knowledge4Zotero.sync.doUnload();" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" xmlns:html="http://www.w3.org/1999/xhtml" style="padding:2em" persist="screenX screenY width height" buttonlabelhelp="&zotero.__addonRef__.sync.export.label;">
+<dialog id="betternotes-sync-dialog" windowtype="betternotes-sync" title="&zotero.__addonRef__.sync.title;" orient="vertical" width="300" height="300" buttons="cancel,accept,help" ondialogaccept="Zotero.Knowledge4Zotero.SyncInfoWindow.doAccept();" ondialoghelp="Zotero.Knowledge4Zotero.SyncInfoWindow.doExport();" onload="Zotero.Knowledge4Zotero.SyncInfoWindow.doLoad(window);" onunload="Zotero.Knowledge4Zotero.SyncInfoWindow.doUnload();" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" xmlns:html="http://www.w3.org/1999/xhtml" style="padding:2em" persist="screenX screenY width height" buttonlabelhelp="&zotero.__addonRef__.sync.export.label;">
     <script src="chrome://zotero/content/include.js" />
     <vbox flex="1">
         <label value="&zotero.__addonRef__.sync.path.label;" />
@@ -20,8 +20,8 @@
         <label id="__addonRef__-sync-lastsync" />
         <hbox>
             <checkbox id="__addonRef__-sync-enable" label="&zotero.__addonRef__.sync.enable.label;" checked="true" />
-            <button flex="0" label="&zotero.__addonRef__.sync.dosync.label;" oncommand="Zotero.Knowledge4Zotero.sync.doSync(null, true)"></button>
-            <button flex="0" label="&zotero.__addonRef__.sync.synclist.label;" oncommand="Zotero.Knowledge4Zotero.syncList.openSyncList()"></button>
+            <button flex="0" label="&zotero.__addonRef__.sync.dosync.label;" oncommand="Zotero.Knowledge4Zotero.SyncController.doSync(null, true)"></button>
+            <button flex="0" label="&zotero.__addonRef__.sync.synclist.label;" oncommand="Zotero.Knowledge4Zotero.SyncListWindow.openSyncList()"></button>
         </hbox>
     </vbox>
 </dialog>
\ No newline at end of file
diff --git a/addon/chrome/content/syncList.xul b/addon/chrome/content/syncList.xul
index 783b63e..390aef5 100644
--- a/addon/chrome/content/syncList.xul
+++ b/addon/chrome/content/syncList.xul
@@ -16,7 +16,7 @@
     %knowledgeDTD;
 ]>
 
-<window id="zotero-knowledge-sync-list" onload="Zotero.Knowledge4Zotero.syncList.doLoad(window);" onresize="Zotero.Knowledge4Zotero.syncList.doUpdate();" orient="vertical" width="600" height="350" title="&zotero.__addonRef__.syncList.title;" persist="screenX screenY width height" windowtype="zotero:knowledgeSyncList" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" xmlns:html="http://www.w3.org/1999/xhtml">
+<window id="zotero-knowledge-sync-list" onload="Zotero.Knowledge4Zotero.SyncListWindow.doLoad(window);" onresize="Zotero.Knowledge4Zotero.SyncListWindow.doUpdate();" orient="vertical" width="600" height="350" title="&zotero.__addonRef__.syncList.title;" persist="screenX screenY width height" windowtype="zotero:knowledgeSyncList" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" xmlns:html="http://www.w3.org/1999/xhtml">
     <script src="chrome://zotero/content/include.js" />
 
     <keyset>
@@ -39,11 +39,11 @@
             </listcols>
         </listbox>
         <hbox flex="0">
-            <button id="doupdate" label="&zotero.__addonRef__.syncList.doupdate.label;" oncommand="Zotero.Knowledge4Zotero.syncList.doUpdate();"></button>
-            <button id="changesyncperiod" label="&zotero.__addonRef__.syncList.changesyncperiod.label;" oncommand="Zotero.Knowledge4Zotero.syncList.changeSyncPeriod();"></button>
-            <button id="dosync" label="&zotero.__addonRef__.syncList.dosync.label;" oncommand="Zotero.Knowledge4Zotero.syncList.doSync();"></button>
-            <button id="changesync" label="&zotero.__addonRef__.syncList.changesync.label;" oncommand="Zotero.Knowledge4Zotero.syncList.changeSync();"></button>
-            <button id="removesync" label="&zotero.__addonRef__.syncList.removesync.label;" oncommand="Zotero.Knowledge4Zotero.syncList.removeSync();"></button>
+            <button id="doupdate" label="&zotero.__addonRef__.syncList.doupdate.label;" oncommand="Zotero.Knowledge4Zotero.SyncListWindow.doUpdate();"></button>
+            <button id="changesyncperiod" label="&zotero.__addonRef__.syncList.changesyncperiod.label;" oncommand="Zotero.Knowledge4Zotero.SyncListWindow.changeSyncPeriod();"></button>
+            <button id="dosync" label="&zotero.__addonRef__.syncList.dosync.label;" oncommand="Zotero.Knowledge4Zotero.SyncListWindow.doSync();"></button>
+            <button id="changesync" label="&zotero.__addonRef__.syncList.changesync.label;" oncommand="Zotero.Knowledge4Zotero.SyncListWindow.changeSync();"></button>
+            <button id="removesync" label="&zotero.__addonRef__.syncList.removesync.label;" oncommand="Zotero.Knowledge4Zotero.SyncListWindow.removeSync();"></button>
             <checkbox id="related" label="&zotero.__addonRef__.syncList.related.label;"></checkbox>
         </hbox>
     </vbox>
diff --git a/addon/chrome/content/workspace.xul b/addon/chrome/content/workspace.xul
index f266410..5b683a9 100644
--- a/addon/chrome/content/workspace.xul
+++ b/addon/chrome/content/workspace.xul
@@ -19,7 +19,7 @@
     %knowledgeDTD;
 ]>
 
-<window id="zotero-knowledge-workspace" orient="vertical" width="1000" height="350" title="&zotero.__addonRef__.workspace.title;" persist="screenX screenY width height sizemode" windowtype="zotero:knowledgeWorkspace" onload="Zotero.Knowledge4Zotero.knowledge._workspacePromise.resolve()" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" xmlns:html="http://www.w3.org/1999/xhtml">
+<window id="zotero-knowledge-workspace" orient="vertical" width="1000" height="350" title="&zotero.__addonRef__.workspace.title;" persist="screenX screenY width height sizemode" windowtype="zotero:knowledgeWorkspace" onload="Zotero.Knowledge4Zotero.WorkspaceWindow._workspacePromise.resolve()" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" xmlns:html="http://www.w3.org/1999/xhtml">
 
     <script src="chrome://zotero/content/include.js" />
 
@@ -34,25 +34,22 @@
         <key id="key_unindent" keycode="VK_TAB" modifiers="shift" command="cmd_unindent_betternotes" />
     </keyset>
     <command id="cmd_new" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'createWorkspace'});" />
-    <command id="cmd_open" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'selectMainKnowledge'});" />
+    <command id="cmd_open" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'selectMainNote'});" />
     <command id="cmd_openWindow" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'openWorkspaceInWindow'});" />
     <command id="cmd_export" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'export', content: {editorInstance: {_item: false}}});" />
     <command id="cmd_sync_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'sync'});" />
-    <command id="cmd_sync_manager_betternotes" oncommand="Zotero.Knowledge4Zotero.syncList.openSyncList();" />
+    <command id="cmd_sync_manager_betternotes" oncommand="Zotero.Knowledge4Zotero.SyncListWindow.openSyncList();" />
     <command id="cmd_close" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'closeWorkspace'});" />
     <!-- <command id="cmd_insertNotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'insertNotes'});" /> -->
     <command id="cmd_editTemplate" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'editTemplate'});" />
-    <command id="cmd_addheading" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'addHeading'});" />
-    <command id="cmd_indent_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'indentHeading'});" />
-    <command id="cmd_unindent_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'unindentHeading'});" />
     <!-- <command id="cmd_importlink_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'importLink'});" />
     <command id="cmd_updatelink_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'updateLink'});" /> -->
     <command id="cmd_autoannotation_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'updateAutoAnnotation', content: {event: event}});" />
     <command id="cmd_convertmd_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'convertMD'});" />
     <command id="cmd_convertasciidoc_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'convertAsciiDoc'});" />
-    <command id="cmd_treeview" oncommand="Zotero.Knowledge4Zotero.views.switchView(1);" />
-    <command id="cmd_mindmap" oncommand="Zotero.Knowledge4Zotero.views.switchView(2);" />
-    <command id="cmd_bubblemap" oncommand="Zotero.Knowledge4Zotero.views.switchView(3);" />
+    <command id="cmd_treeview" oncommand="Zotero.Knowledge4Zotero.WorkspaceOutline.switchView(1);" />
+    <command id="cmd_mindmap" oncommand="Zotero.Knowledge4Zotero.WorkspaceOutline.switchView(2);" />
+    <command id="cmd_bubblemap" oncommand="Zotero.Knowledge4Zotero.WorkspaceOutline.switchView(3);" />
     <command id="cmd_guide" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'openUserGuide'});" />
     <command id="cmd_about" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'openAbout'});" />
 
@@ -73,22 +70,18 @@
             <menupopup id="menu_EditPopup">
                 <!-- <menuitem id="menu_insertNotes" label="&zotero.__addonRef__.workspace.menu.insertNotes;" key="key_insertNotes" accesskey="I" command="cmd_insertNotes" /> -->
                 <menu id="menu_insertTextTemplate" label="&zotero.__addonRef__.workspace.menu.insertTextTemplate;">
-                    <menupopup id="menu_insertTextTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.views.updateTemplateMenu('Text');" />
+                    <menupopup id="menu_insertTextTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.ZoteroViews.updateTemplateMenu('Text');" />
                 </menu>
                 <menu id="menu_insertNoteTemplate" label="&zotero.__addonRef__.workspace.menu.insertNoteTemplate;">
-                    <menupopup id="menu_insertNoteTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.views.updateTemplateMenu('Note');" />
+                    <menupopup id="menu_insertNoteTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.ZoteroViews.updateTemplateMenu('Note');" />
                 </menu>
                 <menu id="menu_insertItemTemplate" label="&zotero.__addonRef__.workspace.menu.insertItemTemplate;">
-                    <menupopup id="menu_insertItemTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.views.updateTemplateMenu('Item');" />
+                    <menupopup id="menu_insertItemTemplatePopup" onpopupshowing="Zotero.Knowledge4Zotero.ZoteroViews.updateTemplateMenu('Item');" />
                 </menu>
                 <menuitem id="menu_editTemplate" label="&zotero.__addonRef__.workspace.menu.editTemplate;" command="cmd_editTemplate" />
                 <menu id="menu_citeSetting_betternotes" class="menu-type-betternotes" label="&zotero.__addonRef__.workspace.menu.citeSetting;">
-                    <menupopup id="menu_citeSettingPopup" onpopupshowing="Zotero.Knowledge4Zotero.views.updateCitationStyleMenu();" />
+                    <menupopup id="menu_citeSettingPopup" onpopupshowing="Zotero.Knowledge4Zotero.ZoteroViews.updateCitationStyleMenu();" />
                 </menu>
-                <menuseparator />
-                <menuitem id="menu_addheading" label="&zotero.__addonRef__.workspace.menu.addheading;" command="cmd_addheading" />
-                <menuitem id="menu_indent" label="&zotero.__addonRef__.workspace.menu.indent;" command="cmd_indent_betternotes" key="key_indent" />
-                <menuitem id="menu_unindent" label="&zotero.__addonRef__.workspace.menu.unindent;" command="cmd_unindent_betternotes" key="key_unindent" />
                 <!-- <menuitem id="menu_importlink_betternotes" class="menu-type-betternotes" label="&zotero.__addonRef__.workspace.menu.importLink;" command="cmd_importlink_betternotes" />
                 <menuitem id="menu_updatelink_betternotes" class="menu-type-betternotes" label="&zotero.__addonRef__.workspace.menu.updateLink;" command="cmd_updatelink_betternotes" /> -->
                 <menuseparator />
@@ -99,7 +92,7 @@
             </menupopup>
         </menu>
 
-        <menu id="view-menu" label="&viewMenu.label;" accesskey="&viewMenu.accesskey;" onpopupshowing="Zotero.Knowledge4Zotero.views.updateViewMenu();">
+        <menu id="view-menu" label="&viewMenu.label;" accesskey="&viewMenu.accesskey;" onpopupshowing="Zotero.Knowledge4Zotero.WorkspaceMenu.updateViewMenu();">
             <menupopup id="menu_ViewPopup">
                 <menuitem id="menu_openWindow" label="&zotero.__addonRef__.workspace.menu.openWindow;" command="cmd_openWindow" />
                 <menuseparator />
diff --git a/addon/chrome/locale/en-US/overlay.dtd b/addon/chrome/locale/en-US/overlay.dtd
index 00d9ab7..1aaf1df 100644
--- a/addon/chrome/locale/en-US/overlay.dtd
+++ b/addon/chrome/locale/en-US/overlay.dtd
@@ -30,7 +30,7 @@
 <!ENTITY zotero.__addonRef__.workspace.menu.guide "Better Notes User Guide">
 <!ENTITY zotero.__addonRef__.workspace.menu.about "About Better Notes">
 
-<!ENTITY zotero.__addonRef__.itemmenu.setMainKnowledge.label "Set Main Note">
+<!ENTITY zotero.__addonRef__.itemmenu.setMainNote.label "Set Main Note">
 <!ENTITY zotero.__addonRef__.itemmenu.exportNote.label "Export Note and SubNotes">
 <!ENTITY zotero.__addonRef__.itemmenu.exportNotes.label "Export Notes and SubNotes to Markdown">
 
diff --git a/addon/chrome/locale/zh-CN/overlay.dtd b/addon/chrome/locale/zh-CN/overlay.dtd
index a48a400..94b9326 100644
--- a/addon/chrome/locale/zh-CN/overlay.dtd
+++ b/addon/chrome/locale/zh-CN/overlay.dtd
@@ -30,7 +30,7 @@
 <!ENTITY zotero.__addonRef__.workspace.menu.guide "Better Notes用户指引">
 <!ENTITY zotero.__addonRef__.workspace.menu.about "关于Better Notes">
 
-<!ENTITY zotero.__addonRef__.itemmenu.setMainKnowledge.label "设置为主笔记">
+<!ENTITY zotero.__addonRef__.itemmenu.setMainNote.label "设置为主笔记">
 <!ENTITY zotero.__addonRef__.itemmenu.exportNote.label "导出笔记及条目子笔记">
 <!ENTITY zotero.__addonRef__.itemmenu.exportNotes.label "导出笔记及条目子笔记为Markdown">
 
diff --git a/src/addon.ts b/src/addon.ts
index 6ed5787..9160e7d 100644
--- a/src/addon.ts
+++ b/src/addon.ts
@@ -1,34 +1,68 @@
-import AddonEvents from "./events";
-import AddonViews from "./views";
+import AddonEvents from "./zotero/events";
+import ZoteroViews from "./zotero/views";
+import ReaderViews from "./reader/annotationButton";
+import WorkspaceOutline from "./workspace/workspaceOutline";
+import EditorViews from "./editor/editorUI";
 import AddonWizard from "./wizard";
-import AddonExport from "./export";
-import Knowledge from "./knowledge";
-import AddonTemplate from "./template";
-import AddonSync from "./sync";
-import AddonSyncList from "./syncList";
-import AddonParse from "./parse";
+import NoteExportWindow from "./editor/noteExportWindow";
+import { TemplateController, TemplateAPI } from "./template/templateController";
+import SyncInfoWindow from "./sync/syncInfoWindow";
+import SyncListWindow from "./sync/syncListWindow";
+import NoteParse from "./editor/noteParse";
+import WorkspaceWindow from "./workspace/workspaceWindow";
+import WorkspaceMenu from "./workspace/workspaceMenu";
+import NoteUtils from "./editor/noteUtils";
+import NoteExport from "./editor/noteExportController";
+import SyncController from "./sync/syncController";
+import TemplateWindow from "./template/templateWindow";
 
 class Knowledge4Zotero {
   public events: AddonEvents;
-  public views: AddonViews;
+  // Zotero UI
+  public ZoteroViews: ZoteroViews;
+  // Reader UI
+  public ReaderViews: ReaderViews;
+  // Workspace UI
+  public WorkspaceOutline: WorkspaceOutline;
+  public WorkspaceWindow: WorkspaceWindow;
+  public WorkspaceMenu: WorkspaceMenu;
+  // First-run wizard
   public wizard: AddonWizard;
-  public export: AddonExport;
-  public parse: AddonParse;
-  public sync: AddonSync;
-  public syncList: AddonSyncList;
-  public template: AddonTemplate;
-  public knowledge: Knowledge;
+  // Sync tools
+  public SyncInfoWindow: SyncInfoWindow;
+  public SyncListWindow: SyncListWindow;
+  public SyncController: SyncController;
+  // Template
+  public TemplateWindow: TemplateWindow;
+  public TemplateController: TemplateController;
+  // Just for template API consistency
+  public knowledge: TemplateAPI;
+  // Note tools
+  public NoteUtils: NoteUtils;
+  public NoteExport: NoteExport;
+  public NoteExportWindow: NoteExportWindow;
+  public NoteParse: NoteParse;
+  public EditorViews: EditorViews;
 
   constructor() {
     this.events = new AddonEvents(this);
-    this.views = new AddonViews(this);
+    this.ZoteroViews = new ZoteroViews(this);
+    this.ReaderViews = new ReaderViews(this);
+    this.WorkspaceOutline = new WorkspaceOutline(this);
+    this.WorkspaceWindow = new WorkspaceWindow(this);
+    this.WorkspaceMenu = new WorkspaceMenu(this);
+    this.EditorViews = new EditorViews(this);
     this.wizard = new AddonWizard(this);
-    this.export = new AddonExport(this);
-    this.parse = new AddonParse(this);
-    this.sync = new AddonSync(this);
-    this.syncList = new AddonSyncList(this);
-    this.template = new AddonTemplate(this);
-    this.knowledge = new Knowledge(this);
+    this.SyncInfoWindow = new SyncInfoWindow(this);
+    this.SyncListWindow = new SyncListWindow(this);
+    this.SyncController = new SyncController(this);
+    this.TemplateWindow = new TemplateWindow(this);
+    this.TemplateController = new TemplateController(this);
+    this.NoteUtils = new NoteUtils(this);
+    this.NoteExport = new NoteExport(this);
+    this.NoteExportWindow = new NoteExportWindow(this);
+    this.NoteParse = new NoteParse(this);
+    this.knowledge = new TemplateAPI(this);
   }
 }
 
diff --git a/src/convertMD.js b/src/editor/convertMD.js
similarity index 100%
rename from src/convertMD.js
rename to src/editor/convertMD.js
diff --git a/src/editor/editorUI.ts b/src/editor/editorUI.ts
new file mode 100644
index 0000000..649bdfa
--- /dev/null
+++ b/src/editor/editorUI.ts
@@ -0,0 +1,867 @@
+import Knowledge4Zotero from "../addon";
+import { CopyHelper, EditorMessage } from "../utils";
+import AddonBase from "../module";
+
+class EditorViews extends AddonBase {
+  icons: object;
+
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+    this.icons = {
+      addToNoteEnd: `<svg t="1651124422933" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="3269" width="24" height="24"><path d="M896.00324 352c70.7 0 128-57.3 128-128 0-70.6-57.4-128-128-128-70.7 0-128 57.3-128 128 0 18.8 4.1 36.7 11.3 52.8 2.7 6 1.4 13.1-3.3 17.8l-24.2 24.2c-5.7 5.7-14.9 6.3-21.2 1.2-38.1-30.1-86.3-48-138.6-48-18.8 0-37.1 2.3-54.6 6.7-6.9 1.7-14.1-1.4-17.7-7.5l-6.6-11.4c-3.4-5.8-2.7-13.1 1.6-18.3 18.6-22.6 29.7-51.6 29.3-83.2C543.10324 89 486.30324 32.6 417.00324 32c-70.6-0.6-128.1 56.1-129 126.3-0.9 69.5 56.5 128.6 126 129.6 9.4 0.1 18.5-0.7 27.4-2.5 6.8-1.4 13.6 1.7 17.1 7.7l2.2 3.8c4 7 2.2 15.9-4.2 20.7-42.4 32.3-73 79.4-84 133.6-1.5 7.4-8.1 12.7-15.7 12.7h-94.1c-6.6 0-12.6-4-14.9-10.2-18.1-48-64.3-82.2-118.5-82.8C58.70324 370.3 0.50324 427.6 0.00324 498.1-0.49676 569.2 57.00324 627 128.00324 627c56.7 0 104.8-36.9 121.6-87.9 2.2-6.6 8.3-11.1 15.2-11.1h92c7.6 0 14.2 5.4 15.7 12.9 9.5 46.7 33.5 88 67 119.2 5.4 5 6.6 13.2 2.9 19.6l-21.7 37.6c-3.7 6.3-11.1 9.4-18.2 7.4-11.1-3.1-22.7-4.7-34.8-4.7-69.7 0.1-127 56.8-127.8 126.6-0.8 71.7 57.4 130 129.1 129.4 69.5-0.6 126.3-57.3 126.9-126.8 0.3-28-8.5-53.9-23.5-75.1-3.6-5.1-3.9-11.8-0.8-17.2l24.9-43.1c3.9-6.7 12-9.7 19.3-7 23.7 8.6 49.3 13.2 76 13.2 34.9 0 67.9-8 97.3-22.2 7.6-3.7 16.7-0.9 20.9 6.4l37 64c-26.3 23.5-43 57.7-43 95.8 0 70.9 58 128.5 128.9 128 69.7-0.5 126.2-56.7 127.1-126.3 0.9-70.1-57-129.3-127.1-129.7-6.2 0-12.3 0.4-18.3 1.2-6.5 0.9-12.8-2.2-16.1-7.8l-39.2-67.9c-3.4-5.9-2.7-13.3 1.7-18.4 34.2-39.3 54.9-90.7 54.9-147 0-38.9-9.9-75.5-27.4-107.4-3.4-6.2-2.2-13.9 2.8-18.9l28.4-28.4c4.9-4.9 12.4-6 18.7-2.9 17.4 8.6 36.9 13.5 57.6 13.5z m0-192c35.3 0 64 28.7 64 64s-28.7 64-64 64-64-28.7-64-64 28.7-64 64-64zM128.00324 563c-35.3 0-64-28.7-64-64s28.7-64 64-64 64 28.7 64 64-28.7 64-64 64z m240 349c-35.3 0-64-28.7-64-64s28.7-64 64-64 64 28.7 64 64-28.7 64-64 64z m464-112c35.3 0 64 28.7 64 64s-28.7 64-64 64-64-28.7-64-64 28.7-64 64-64zM416.00324 224c-35.3 0-64-28.7-64-64s28.7-64 64-64 64 28.7 64 64-28.7 64-64 64z m289.1 385.1C674.90324 639.4 634.70324 656 592.00324 656s-82.9-16.6-113.1-46.9C448.60324 578.9 432.00324 538.7 432.00324 496s16.6-82.9 46.9-113.1C509.10324 352.6 549.30324 336 592.00324 336s82.9 16.6 113.1 46.9C735.40324 413.1 752.00324 453.3 752.00324 496s-16.6 82.9-46.9 113.1z" p-id="3270" fill="currentColor"></path></svg>`,
+      addCitation: `<svg t="1652702140873" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2080" width="24" height="24"><path d="M479.615429 372.021945l0 155.216107c-8.769734 78.782298-47.084365 113.813139-114.89068 124.738979L364.724749 599.455841c21.849634-2.15406 36.108383-18.566868 42.673915-49.239448l0-22.978341-72.204485 0L335.194178 372.021945 479.615429 372.021945zM688.806845 372.021945l0 155.216107c-8.769734 76.628238-47.084365 111.608937-114.891703 124.738979L573.915142 599.455841c8.720615-2.15406 17.49035-8.719592 26.261107-19.695574 8.720615-10.92584 14.207583-20.773116 16.412808-29.543873l0-22.978341-71.120804 0L545.468253 372.021945 688.806845 372.021945z" p-id="2081" fill="currentColor"></path></svg>`,
+      notMainKnowledge: `<svg t="1651124314636" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1689" width="24" height="24"><path d="M877.44 383.786667L624.426667 117.333333C594.986667 86.186667 554.88 69.12 512 69.12s-82.986667 17.066667-112.426667 48.213333L146.56 383.786667a148.266667 148.266667 0 0 0-40.746667 102.4v302.08c0 85.76 69.76 155.52 155.52 155.52h501.546667c85.76 0 155.52-69.76 155.52-155.52V485.973333c0-38.186667-14.506667-74.453333-40.96-102.186666z m-44.373333 404.266666c0 38.826667-31.573333 70.186667-70.186667 70.186667H261.333333c-38.826667 0-70.186667-31.573333-70.186666-70.186667V485.973333c0-16.213333 6.186667-31.786667 17.28-43.52L461.44 176c13.226667-13.866667 31.146667-21.546667 50.56-21.546667s37.333333 7.68 50.56 21.76l253.013333 266.453334c11.306667 11.733333 17.28 27.306667 17.28 43.52v301.866666z" p-id="1690" fill="currentColor"></path><path d="M608 687.786667h-192c-23.466667 0-42.666667 19.2-42.666667 42.666666s19.2 42.666667 42.666667 42.666667h192c23.466667 0 42.666667-19.2 42.666667-42.666667s-19.2-42.666667-42.666667-42.666666z" p-id="1691" fill="currentColor"></path></svg>`,
+      isMainKnowledge: `<svg t="1651124352868" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1850" width="24" height="24"><path d="M877.44 388.053333L624.426667 121.813333C594.986667 90.666667 554.88 73.386667 512 73.386667s-82.986667 17.066667-112.426667 48.213333L146.56 388.053333a148.266667 148.266667 0 0 0-40.746667 102.4v302.08c0 85.76 69.76 155.52 155.52 155.52h501.546667c85.76 0 155.52-69.76 155.52-155.52V490.453333c0-38.4-14.506667-74.666667-40.96-102.4zM608 777.386667h-192c-23.466667 0-42.666667-19.2-42.666667-42.666667s19.2-42.666667 42.666667-42.666667h192c23.466667 0 42.666667 19.2 42.666667 42.666667s-19.2 42.666667-42.666667 42.666667z" p-id="1851" fill="currentColor"></path></svg>`,
+      openAttachment: `<svg t="1651595553273" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="7641" width="24" height="24"><path d="M950.857143 537.892571a293.924571 293.924571 0 0 0-73.142857-59.904V292.571429l-146.285715-146.285715H146.285714v731.428572h331.702857c15.945143 27.538286 36.205714 52.224 59.904 73.142857H146.285714a73.142857 73.142857 0 0 1-73.142857-73.142857V146.285714a73.142857 73.142857 0 0 1 73.142857-73.142857h621.714286l182.857143 182.857143v281.892571z m-93.549714 266.166858l82.505142 82.541714a37.668571 37.668571 0 0 1-53.211428 53.211428l-82.541714-82.505142a188.233143 188.233143 0 1 1 53.248-53.248z m-47.213715-101.449143a109.714286 109.714286 0 1 0-219.428571 0 109.714286 109.714286 0 0 0 219.428571 0zM202.605714 286.354286h49.371429v24.137143h0.731428c6.326857-10.24 14.372571-17.664 24.137143-22.308572s20.48-6.948571 32.182857-6.948571c14.884571 0 27.684571 2.816 38.4 8.411428 10.715429 5.595429 19.638857 13.056 26.697143 22.308572 7.058286 9.252571 12.324571 20.041143 15.725715 32.365714 3.401143 12.324571 5.12 25.161143 5.12 38.582857 0 12.690286-1.718857 24.868571-5.12 36.571429-3.401143 11.702857-8.594286 22.052571-15.542858 31.085714s-15.616 16.201143-25.965714 21.577143c-10.349714 5.376-22.491429 8.045714-36.388571 8.045714-11.702857 0-22.491429-2.377143-32.365715-7.131428a61.257143 61.257143 0 0 1-24.32-21.028572h-0.731428v89.6H202.605714V286.354286z m358.4 164.937143h-0.731428c-6.107429 10.24-14.08 17.627429-23.954286 22.125714s-21.028571 6.765714-33.462857 6.765714a80.822857 80.822857 0 0 1-37.302857-8.228571 74.898286 74.898286 0 0 1-26.514286-22.308572 101.229714 101.229714 0 0 1-15.725714-32.365714 135.862857 135.862857 0 0 1-5.302857-38.034286c0-12.690286 1.755429-24.941714 5.302857-36.754285 3.547429-11.812571 8.777143-22.235429 15.725714-31.268572s15.652571-16.274286 26.148571-21.76c10.496-5.485714 22.674286-8.228571 36.571429-8.228571 11.227429 0 21.869714 2.377143 32 7.131428s18.102857 11.776 23.954286 21.028572h0.731428v-95.085715h51.931429V475.428571h-49.371429v-24.137142z m99.84-130.194286h-31.085714v-34.742857h31.085714v-14.628572c0-16.822857 5.229714-30.610286 15.725715-41.325714 10.496-10.715429 26.331429-16.091429 47.542857-16.091429 4.644571 0 9.252571 0.182857 13.897143 0.548572 4.644571 0.365714 9.142857 0.658286 13.531428 0.914286v38.765714c-6.107429-0.731429-12.434286-1.097143-19.017143-1.097143-7.058286 0-12.141714 1.645714-15.177143 4.937143-3.035429 3.291429-4.571429 8.850286-4.571428 16.64v11.337143h35.84v34.742857h-35.84V475.428571h-51.931429V321.097143z m-362.788571 120.32c8.521143 0 15.652571-1.718857 21.394286-5.12 5.741714-3.401143 10.349714-7.862857 13.897142-13.348572 3.547429-5.485714 6.034286-11.885714 7.497143-19.2 1.462857-7.314286 2.194286-14.738286 2.194286-22.308571 0-7.570286-0.804571-14.994286-2.377143-22.308571a59.392 59.392 0 0 0-7.862857-19.565715 43.812571 43.812571 0 0 0-14.08-13.897143 39.314286 39.314286 0 0 0-21.028571-5.302857c-8.521143 0-15.652571 1.755429-21.394286 5.302857a42.678857 42.678857 0 0 0-13.897143 13.714286c-3.547429 5.595429-6.034286 12.068571-7.497143 19.382857-1.462857 7.314286-2.194286 14.884571-2.194286 22.674286 0 7.570286 0.804571 14.994286 2.377143 22.308571 1.572571 7.314286 4.132571 13.714286 7.68 19.2 3.547429 5.485714 8.228571 9.947429 14.08 13.348572 5.851429 3.401143 12.909714 5.12 21.211429 5.12z m262.217143-61.074286c0-7.789714-0.731429-15.286857-2.194286-22.491428a54.966857 54.966857 0 0 0-7.497143-19.017143 42.203429 42.203429 0 0 0-13.714286-13.348572 40.228571 40.228571 0 0 0-21.211428-5.12c-8.521143 0-15.725714 1.718857-21.577143 5.12-5.851429 3.401143-10.532571 7.936-14.08 13.531429a59.794286 59.794286 0 0 0-7.68 19.2 104.228571 104.228571 0 0 0-2.377143 22.491428c0 7.314286 0.841143 14.628571 2.56 21.942858 1.718857 7.314286 4.461714 13.824 8.228572 19.565714 3.766857 5.741714 8.521143 10.349714 14.262857 13.897143 5.741714 3.547429 12.617143 5.302857 20.662857 5.302857 8.521143 0 15.652571-1.718857 21.394286-5.12 5.741714-3.401143 10.313143-7.972571 13.714285-13.714286a61.44 61.44 0 0 0 7.314286-19.565714c1.462857-7.314286 2.194286-14.884571 2.194286-22.674286z" p-id="7642" fill="currentColor"></path></svg>`,
+      switchEditor: `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><defs><style>.cls-1{fill:currentColor;}.cls-2{filter:invert(100%)}</style></defs><rect class="cls-1" width="24" height="24"/><path class="cls-2" d="M9,7.1H2.33L2.14,9.56H2.4c.15-1.77.32-2.14,2-2.14a3.39,3.39,0,0,1,.59,0c.23,0,.23.16.23.41v5.77c0,.37,0,.53-1.15.53H3.61v.34c.45,0,1.56,0,2.06,0s1.64,0,2.09,0v-.34H7.32c-1.15,0-1.15-.16-1.15-.53V7.86c0-.22,0-.37.19-.41a3.9,3.9,0,0,1,.63,0c1.65,0,1.81.37,2,2.14h.27L9,7.1Z"/><path class="cls-2" d="M14.91,14.15h-.27c-.28,1.68-.53,2.48-2.41,2.48H10.78c-.52,0-.54-.08-.54-.44V13.27h1c1.06,0,1.19.35,1.19,1.28h.27v-2.9h-.27c0,.94-.13,1.28-1.19,1.28h-1V10.3c0-.36,0-.44.54-.44h1.41c1.68,0,2,.61,2.14,2.13h.27l-.3-2.46H8.14v.33H8.4c.84,0,.86.12.86.52v5.73c0,.4,0,.52-.86.52H8.14V17h6.31Z"/><path class="cls-2" d="M18.22,10.27l1.5-2.2a1.67,1.67,0,0,1,1.58-.71V7H18.69v.33c.44,0,.68.25.68.5a.37.37,0,0,1-.1.26L18,10,16.61,7.85a.46.46,0,0,1-.07-.16c0-.13.24-.32.7-.33V7c-.37,0-1.18,0-1.59,0s-1,0-1.43,0v.33h.21c.6,0,.81.08,1,.38l2,3-1.79,2.64a1.67,1.67,0,0,1-1.58.73v.34H16.7v-.34c-.5,0-.69-.31-.69-.51s0-.14.11-.26l1.55-2.3,1.73,2.62s.06.09.06.12-.24.32-.72.33v.34c.39,0,1.19,0,1.6,0s1,0,1.42,0v-.34h-.2c-.58,0-.81-.06-1-.4l-2.3-3.49Z"/></svg>`,
+      export: `<svg t="1651322116327" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="11894" width="24" height="24"><path d="M849.2 599v217H178.5V599c-0.7-23.7-20.1-42.7-44-42.7s-43.3 19-44 42.7v252.5c0 28.9 23.6 52.5 52.5 52.5h741.7c28.9 0 52.5-23.6 52.5-52.5V599c-0.7-23.7-20.1-42.7-44-42.7s-43.3 19-44 42.7z" fill="currentColor" p-id="11895"></path><path d="M482.7 135.4l-164 164c-17.1 17.1-17.1 45.1 0 62.2s45.1 17.1 62.2 0l85.7-85.7v314.8c0 26 21.3 47.2 47.2 47.2 26 0 47.2-21.3 47.2-47.2V276l85.7 85.7c17.1 17.1 45.1 17.1 62.2 0s17.1-45.1 0-62.2l-164-164c-17.1-17.2-45.1-17.2-62.2-0.1z" fill="currentColor" p-id="11896"></path></svg>`,
+      close: `<svg t="1651331457107" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="12754" width="24" height="24"><path d="M557.311759 513.248864l265.280473-263.904314c12.54369-12.480043 12.607338-32.704421 0.127295-45.248112-12.512727-12.576374-32.704421-12.607338-45.248112-0.127295L512.127295 467.904421 249.088241 204.063755c-12.447359-12.480043-32.704421-12.54369-45.248112-0.063647-12.512727 12.480043-12.54369 32.735385-0.063647 45.280796l262.975407 263.775299-265.151458 263.744335c-12.54369 12.480043-12.607338 32.704421-0.127295 45.248112 6.239161 6.271845 14.463432 9.440452 22.687703 9.440452 8.160624 0 16.319527-3.103239 22.560409-9.311437l265.216826-263.807983 265.440452 266.240344c6.239161 6.271845 14.432469 9.407768 22.65674 9.407768 8.191587 0 16.352211-3.135923 22.591372-9.34412 12.512727-12.480043 12.54369-32.704421 0.063647-45.248112L557.311759 513.248864z" fill="currentColor" p-id="12755"></path></svg>`,
+    };
+  }
+
+  public async initEditor(instance: Zotero.EditorInstance) {
+    const noteItem = instance._item;
+    const mainNote = this._Addon.WorkspaceWindow.getWorkspaceNote();
+
+    const isMainNote = noteItem.id === mainNote.id;
+    const isPreviewNote =
+      noteItem.id === this._Addon.WorkspaceWindow.previewItemID;
+    const isPrint = this._Addon.NoteExport._pdfNoteId === noteItem.id;
+
+    const _window = instance._iframeWindow;
+
+    const setMainNoteDropDown: Element = await this.addEditorButton(
+      instance,
+      "knowledge-start",
+      isMainNote
+        ? "isMainKnowledge"
+        : isPreviewNote
+        ? "openAttachment"
+        : "notMainKnowledge",
+      isMainNote
+        ? "Edit the Main Note in Workspace"
+        : isPreviewNote
+        ? "Open Note Attachments"
+        : "Open Workspace",
+      isPreviewNote ? "openAttachment" : "openWorkspace",
+      "start"
+    );
+
+    if (setMainNoteDropDown && !isPreviewNote) {
+      setMainNoteDropDown.classList.add("more-dropdown");
+      setMainNoteDropDown.addEventListener("mouseover", async (e) => {
+        if (setMainNoteDropDown.getElementsByClassName("popup").length > 0) {
+          return;
+        }
+        const recentIds = (
+          Zotero.Prefs.get("Knowledge4Zotero.recentMainNoteIds") as string
+        ).split(",");
+        // Add current note
+        recentIds.splice(0, 0, String(noteItem.id));
+        // Remove main note and duplicate notes
+        const recentMainNotes = Zotero.Items.get(
+          new Array(
+            ...new Set(
+              recentIds.filter(
+                (id) =>
+                  Number(id) !==
+                  parseInt(
+                    Zotero.Prefs.get(
+                      "Knowledge4Zotero.mainKnowledgeID"
+                    ) as string
+                  )
+              )
+            )
+          )
+        ) as Zotero.Item[];
+        const buttons = recentMainNotes.map((item) => {
+          return {
+            id: `knowledge-setmainnote-popup-${item.id}`,
+            rank: 0,
+            text: item.getNoteTitle(),
+            eventType: "setRecentMainNote",
+          };
+        });
+        const popup: Element = await this.addEditorPopup(
+          instance,
+          "knowledge-setmainnote-popup",
+          buttons,
+          setMainNoteDropDown,
+          "left"
+        );
+        const titleNode = _window.document.createElement("div");
+        titleNode.innerHTML = "Set Recent Main Notes";
+        titleNode.title = "Click item to set it main note";
+        titleNode.style.textAlign = "center";
+        popup.childNodes[0].before(
+          titleNode,
+          _window.document.createElement("hr")
+        );
+        setMainNoteDropDown.addEventListener("mouseleave", (e) => {
+          popup.remove();
+        });
+        setMainNoteDropDown.addEventListener("click", (e) => {
+          popup.remove();
+        });
+      });
+    }
+    const addLinkDropDown: Element = await this.addEditorButton(
+      instance,
+      "knowledge-addlink",
+      "addToNoteEnd",
+      "Add Link of Current Note to Main Note",
+      "addToNoteEnd",
+      "middle"
+    );
+    if (addLinkDropDown) {
+      addLinkDropDown.classList.add("more-dropdown");
+      // If the editor initialization fails, the addLinkDropDown does not exist
+      if (isMainNote) {
+        // This is a main knowledge, hide all buttons except the export button and add title
+        addLinkDropDown.innerHTML = "";
+        const header = _window.document.createElement("div");
+        header.setAttribute("title", "This is a Main Note");
+        header.innerHTML = "Main Note";
+        header.setAttribute("style", "font-size: medium");
+        addLinkDropDown.append(header);
+      } else {
+        const normalHintText =
+          "Insert at the end of section.\nHold shift to insert before section.";
+        const shiftHintText =
+          "Insert before section.\nRelease shift to insert at the end of section.";
+        addLinkDropDown.addEventListener(
+          "mouseover",
+          async (e: KeyboardEvent) => {
+            if (addLinkDropDown.getElementsByClassName("popup").length > 0) {
+              return;
+            }
+            let isShift = e.shiftKey;
+            const hintWindow = this._Addon.ZoteroViews.showProgressWindow(
+              "Bi-directional Link",
+              isShift ? shiftHintText : normalHintText,
+              "default",
+              // Disable auto close
+              -1
+            );
+
+            const getButtonParams = () => {
+              const buttonParam: any[] = [];
+              for (let node of nodes) {
+                buttonParam.push({
+                  id: `knowledge-addlink-popup-${
+                    isShift ? node.model.lineIndex - 1 : node.model.endIndex
+                  }`,
+                  text: node.model.name,
+                  rank: node.model.rank,
+                  eventType: "addToNote",
+                });
+              }
+              return buttonParam;
+            };
+
+            const nodes = this._Addon.NoteUtils.getNoteTreeAsList(
+              this._Addon.WorkspaceWindow.getWorkspaceNote()
+            );
+            const buttonParam = getButtonParams();
+            const popup: HTMLElement = await this.addEditorPopup(
+              instance,
+              "knowledge-addlink-popup",
+              // [{ id: ''; icon: string; eventType: string }],
+              buttonParam,
+              addLinkDropDown
+            );
+            popup.style.backgroundColor = isShift ? "#f0f9fe" : "";
+            const leaveAction = (e?) => {
+              ob?.disconnect();
+              popup?.remove();
+              hintWindow?.close();
+              addLinkDropDown?.removeEventListener("mouseleave", leaveAction);
+              addLinkDropDown?.removeEventListener("click", leaveAction);
+              _window.document?.removeEventListener("keydown", keyAction);
+              _window.document?.removeEventListener("keyup", keyAction);
+            };
+            addLinkDropDown.addEventListener("mouseleave", leaveAction);
+            addLinkDropDown.addEventListener("click", leaveAction);
+            // Observe the popup remove triggered by button click
+            const ob = new MutationObserver((e) => {
+              console.log(e);
+              if (e[0].removedNodes) {
+                leaveAction();
+              }
+            });
+            ob.observe(addLinkDropDown, { childList: true });
+            const keyAction = (e: KeyboardEvent) => {
+              if (isShift === e.shiftKey) {
+                return;
+              }
+              isShift = e.shiftKey;
+              console.log(hintWindow);
+              popup.style.backgroundColor = isShift ? "#f0f9fe" : "";
+              this._Addon.ZoteroViews.changeProgressWindowDescription(
+                hintWindow,
+                isShift ? shiftHintText : normalHintText
+              );
+              const buttonParam = getButtonParams();
+              for (const i in popup.children) {
+                popup.children[i].id = buttonParam[i].id;
+              }
+            };
+            _window.document.addEventListener("keydown", keyAction);
+            _window.document.addEventListener("keyup", keyAction);
+          }
+        );
+      }
+    }
+
+    const addCitationButton = await this.addEditorButton(
+      instance,
+      "knowledge-addcitation",
+      "addCitation",
+      "Insert Citations",
+      "addCitation",
+      "middle",
+      "builtin"
+    );
+
+    let topItem = noteItem.parentItem;
+    while (topItem && !topItem.isRegularItem()) {
+      topItem = topItem.parentItem;
+    }
+    if (addCitationButton) {
+      addCitationButton.classList.add("more-dropdown");
+      if (topItem) {
+        addCitationButton.addEventListener("mouseover", async (e) => {
+          if (addCitationButton.getElementsByClassName("popup").length > 0) {
+            return;
+          }
+          const popup: Element = await this.addEditorPopup(
+            instance,
+            "knowledge-addcitation-popup",
+            [
+              {
+                id: `knowledge-addcitation-popup-${topItem.id}`,
+                rank: 0,
+                text: topItem.getField("title"),
+                eventType: "insertCitation",
+              },
+            ],
+            addCitationButton
+          );
+          addCitationButton.addEventListener("mouseleave", (e) => {
+            popup.remove();
+          });
+          addCitationButton.addEventListener("click", (e) => {
+            popup.remove();
+          });
+        });
+      }
+
+      addCitationButton.addEventListener("click", async (e) => {
+        this._Addon.events.onEditorEvent(
+          new EditorMessage("insertCitation", {
+            params: {
+              noteItem: noteItem,
+            },
+          })
+        );
+      });
+    }
+
+    await this.addEditorButton(
+      instance,
+      "knowledge-end",
+      isPreviewNote ? "close" : "export",
+      isPreviewNote ? "Close Preview" : "Export with linked notes",
+      isPreviewNote ? "closePreview" : "export",
+      "end"
+    );
+
+    // Title style only for normal window
+    if (!isPrint) {
+      const style = _window.document.createElement("style");
+      style.innerHTML = `
+          .primary-editor h1::before {
+            margin-left: -64px !important;
+            padding-left: 40px !important;
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+          }
+          .primary-editor h2::before {
+            margin-left: -64px !important;
+            padding-left: 40px !important;
+            content: url("data:image/svg+xml;charset=UTF-8,%3Csvg%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%20width%3D%2218px%22%20height%3D%2218px%22%20%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2015.56%22%3E%3Cdefs%3E%3Cstyle%3E.a%7Bfill%3A%23666%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cpath%20class%3D%22a%22%20d%3D%22M11.17%2C16.8H10V12.33H5V16.8H3.8V7H5v4.3H10V7h1.15Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22a%22%20d%3D%22M14.14%2C16.8v-.48a4.1%2C4.1%2C0%2C0%2C1%2C.14-1.11%2C2.86%2C2.86%2C0%2C0%2C1%2C.45-.91%2C5.49%2C5.49%2C0%2C0%2C1%2C.83-.86c.33-.29.75-.61%2C1.24-1a7.43%2C7.43%2C0%2C0%2C0%2C.9-.73%2C3.9%2C3.9%2C0%2C0%2C0%2C.57-.7%2C2.22%2C2.22%2C0%2C0%2C0%2C.3-.66%2C2.87%2C2.87%2C0%2C0%2C0%2C.11-.77%2C1.89%2C1.89%2C0%2C0%2C0-.47-1.32%2C1.66%2C1.66%2C0%2C0%2C0-1.28-.5A3.17%2C3.17%2C0%2C0%2C0%2C15.7%2C8a3.49%2C3.49%2C0%2C0%2C0-1.08.76l-.68-.65a4.26%2C4.26%2C0%2C0%2C1%2C1.39-1A4%2C4%2C0%2C0%2C1%2C17%2C6.84a2.62%2C2.62%2C0%2C0%2C1%2C2.83%2C2.67%2C3.58%2C3.58%2C0%2C0%2C1-.15%2C1%2C3.09%2C3.09%2C0%2C0%2C1-.41.9%2C5.53%2C5.53%2C0%2C0%2C1-.67.81%2C9%2C9%2C0%2C0%2C1-.95.79c-.46.32-.84.59-1.13.82a4.68%2C4.68%2C0%2C0%2C0-.71.64%2C2%2C2%2C0%2C0%2C0-.38.6%2C2.08%2C2.08%2C0%2C0%2C0-.11.69h4.88v1Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22a%22%20d%3D%22M21%2C5a2.25%2C2.25%2C0%2C0%2C1%2C2.25%2C2.25v9.56A2.25%2C2.25%2C0%2C0%2C1%2C21%2C19H3A2.25%2C2.25%2C0%2C0%2C1%2C.75%2C16.78V7.22A2.25%2C2.25%2C0%2C0%2C1%2C3%2C5H21m0-.75H3a3%2C3%2C0%2C0%2C0-3%2C3v9.56a3%2C3%2C0%2C0%2C0%2C3%2C3H21a3%2C3%2C0%2C0%2C0%2C3-3V7.22a3%2C3%2C0%2C0%2C0-3-3Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3C%2Fsvg%3E") !important;
+          }
+          .primary-editor h3::before {
+            margin-left: -64px !important;
+            padding-left: 40px !important;
+            content: url("data:image/svg+xml;charset=UTF-8,%3Csvg%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%20width%3D%2218px%22%20height%3D%2218px%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2015.56%22%3E%3Cdefs%3E%3Cstyle%3E.cls-1%7Bfill%3A%23666%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M11.17%2C16.8H10V12.33H5V16.8H3.8V7H5v4.3H10V7h1.15Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M14%2C16.14l.51-.8a4.75%2C4.75%2C0%2C0%2C0%2C1.1.52%2C4.27%2C4.27%2C0%2C0%2C0%2C1.12.16%2C2.29%2C2.29%2C0%2C0%2C0%2C1.64-.52A1.77%2C1.77%2C0%2C0%2C0%2C19%2C14.17a1.7%2C1.7%2C0%2C0%2C0-.68-1.48%2C3.6%2C3.6%2C0%2C0%2C0-2.06-.48H15.4v-1h.77A3%2C3%2C0%2C0%2C0%2C18%2C10.81a1.65%2C1.65%2C0%2C0%2C0%2C.6-1.41%2C1.47%2C1.47%2C0%2C0%2C0-.47-1.19A1.67%2C1.67%2C0%2C0%2C0%2C17%2C7.79a3.33%2C3.33%2C0%2C0%2C0-2.08.73l-.59-.75a4.4%2C4.4%2C0%2C0%2C1%2C1.28-.71A4.35%2C4.35%2C0%2C0%2C1%2C17%2C6.84a2.84%2C2.84%2C0%2C0%2C1%2C2%2C.65%2C2.21%2C2.21%2C0%2C0%2C1%2C.74%2C1.78%2C2.35%2C2.35%2C0%2C0%2C1-.49%2C1.5%2C2.7%2C2.7%2C0%2C0%2C1-1.46.89v0a2.74%2C2.74%2C0%2C0%2C1%2C1.65.74%2C2.15%2C2.15%2C0%2C0%2C1%2C.66%2C1.65%2C2.64%2C2.64%2C0%2C0%2C1-.9%2C2.12%2C3.44%2C3.44%2C0%2C0%2C1-2.34.78%2C5.3%2C5.3%2C0%2C0%2C1-1.48-.2A5%2C5%2C0%2C0%2C1%2C14%2C16.14Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M21%2C5a2.25%2C2.25%2C0%2C0%2C1%2C2.25%2C2.25v9.56A2.25%2C2.25%2C0%2C0%2C1%2C21%2C19H3A2.25%2C2.25%2C0%2C0%2C1%2C.75%2C16.78V7.22A2.25%2C2.25%2C0%2C0%2C1%2C3%2C5H21m0-.75H3a3%2C3%2C0%2C0%2C0-3%2C3v9.56a3%2C3%2C0%2C0%2C0%2C3%2C3H21a3%2C3%2C0%2C0%2C0%2C3-3V7.22a3%2C3%2C0%2C0%2C0-3-3Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3C%2Fsvg%3E") !important;
+          }
+          .primary-editor h4::before {
+            margin-left: -64px !important;
+            padding-left: 40px !important;
+            content: url("data:image/svg+xml;charset=UTF-8,%3Csvg%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%20width%3D%2218px%22%20height%3D%2218px%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2015.56%22%3E%3Cdefs%3E%3Cstyle%3E.cls-1%7Bfill%3A%23666%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M11.17%2C16.8H10V12.33H5V16.8H3.8V7H5v4.3H10V7h1.15Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M19.43%2C6.92v6.59h1.05v1.05H19.43V16.9H18.31V14.56H13.66v-1c.43-.49.87-1%2C1.31-1.57s.87-1.13%2C1.27-1.7S17%2C9.14%2C17.36%2C8.57a16.51%2C16.51%2C0%2C0%2C0%2C.86-1.65Zm-4.49%2C6.59h3.37V8.63c-.34.61-.67%2C1.15-1%2C1.63s-.6.91-.87%2C1.3-.56.74-.81%2C1Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M21%2C5a2.25%2C2.25%2C0%2C0%2C1%2C2.25%2C2.25v9.56A2.25%2C2.25%2C0%2C0%2C1%2C21%2C19H3A2.25%2C2.25%2C0%2C0%2C1%2C.75%2C16.78V7.22A2.25%2C2.25%2C0%2C0%2C1%2C3%2C5H21m0-.75H3a3%2C3%2C0%2C0%2C0-3%2C3v9.56a3%2C3%2C0%2C0%2C0%2C3%2C3H21a3%2C3%2C0%2C0%2C0%2C3-3V7.22a3%2C3%2C0%2C0%2C0-3-3Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3C%2Fsvg%3E") !important;
+          }
+          .primary-editor h5::before {
+            margin-left: -64px !important;
+            padding-left: 40px !important;
+            content: url("data:image/svg+xml;charset=UTF-8,%3Csvg%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%20width%3D%2218px%22%20height%3D%2218px%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2015.56%22%3E%3Cdefs%3E%3Cstyle%3E.cls-1%7Bfill%3A%23666%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M11.17%2C16.8H10V12.33H5V16.8H3.8V7H5v4.3H10V7h1.15Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M14%2C16l.58-.76a3.67%2C3.67%2C0%2C0%2C0%2C1%2C.58A3.44%2C3.44%2C0%2C0%2C0%2C16.8%2C16a2.17%2C2.17%2C0%2C0%2C0%2C1.58-.6A2%2C2%2C0%2C0%2C0%2C19%2C13.88a1.85%2C1.85%2C0%2C0%2C0-.64-1.5%2C2.83%2C2.83%2C0%2C0%2C0-1.86-.54c-.27%2C0-.55%2C0-.86%2C0s-.58%2C0-.81.06L15.17%2C7H19.7V8H16.14l-.2%2C2.88.47%2C0h.43a3.5%2C3.5%2C0%2C0%2C1%2C2.43.79%2C2.74%2C2.74%2C0%2C0%2C1%2C.88%2C2.16%2C3%2C3%2C0%2C0%2C1-.94%2C2.3%2C3.41%2C3.41%2C0%2C0%2C1-2.4.87%2C4.45%2C4.45%2C0%2C0%2C1-1.5-.24A4.81%2C4.81%2C0%2C0%2C1%2C14%2C16Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M21%2C5a2.25%2C2.25%2C0%2C0%2C1%2C2.25%2C2.25v9.56A2.25%2C2.25%2C0%2C0%2C1%2C21%2C19H3A2.25%2C2.25%2C0%2C0%2C1%2C.75%2C16.78V7.22A2.25%2C2.25%2C0%2C0%2C1%2C3%2C5H21m0-.75H3a3%2C3%2C0%2C0%2C0-3%2C3v9.56a3%2C3%2C0%2C0%2C0%2C3%2C3H21a3%2C3%2C0%2C0%2C0%2C3-3V7.22a3%2C3%2C0%2C0%2C0-3-3Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3C%2Fsvg%3E") !important;
+          }
+          .primary-editor h6::before {
+            margin-left: -64px !important;
+            padding-left: 40px !important;
+            content: url("data:image/svg+xml;charset=UTF-8,%3Csvg%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%20width%3D%2218px%22%20height%3D%2218px%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2015.56%22%3E%3Cdefs%3E%3Cstyle%3E.cls-1%7Bfill%3A%23666%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M11.17%2C16.8H10V12.33H5V16.8H3.8V7H5v4.3H10V7h1.15Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M20.18%2C13.7a3.24%2C3.24%2C0%2C0%2C1-.88%2C2.38%2C2.94%2C2.94%2C0%2C0%2C1-2.2.9%2C2.69%2C2.69%2C0%2C0%2C1-2.31-1.17A5.59%2C5.59%2C0%2C0%2C1%2C14%2C12.49a12.18%2C12.18%2C0%2C0%2C1%2C.2-2.14%2C5.16%2C5.16%2C0%2C0%2C1%2C.84-2A3.65%2C3.65%2C0%2C0%2C1%2C16.27%2C7.2%2C3.71%2C3.71%2C0%2C0%2C1%2C18%2C6.84%2C3.14%2C3.14%2C0%2C0%2C1%2C19%2C7a3.59%2C3.59%2C0%2C0%2C1%2C1%2C.5l-.56.77a2.3%2C2.3%2C0%2C0%2C0-1.49-.48A2.3%2C2.3%2C0%2C0%2C0%2C16.79%2C8a3%2C3%2C0%2C0%2C0-.92.85%2C3.79%2C3.79%2C0%2C0%2C0-.56%2C1.25%2C6.56%2C6.56%2C0%2C0%2C0-.19%2C1.65h0a2.61%2C2.61%2C0%2C0%2C1%2C1-.84%2C2.91%2C2.91%2C0%2C0%2C1%2C1.23-.28%2C2.63%2C2.63%2C0%2C0%2C1%2C2%2C.85A3.09%2C3.09%2C0%2C0%2C1%2C20.18%2C13.7ZM19%2C13.78a2.28%2C2.28%2C0%2C0%2C0-.5-1.62%2C1.67%2C1.67%2C0%2C0%2C0-1.29-.54%2C2%2C2%2C0%2C0%2C0-1.5.58%2C2%2C2%2C0%2C0%2C0-.56%2C1.4%2C2.65%2C2.65%2C0%2C0%2C0%2C.55%2C1.74%2C1.85%2C1.85%2C0%2C0%2C0%2C2.78.1A2.38%2C2.38%2C0%2C0%2C0%2C19%2C13.78Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M21%2C5a2.25%2C2.25%2C0%2C0%2C1%2C2.25%2C2.25v9.56A2.25%2C2.25%2C0%2C0%2C1%2C21%2C19H3A2.25%2C2.25%2C0%2C0%2C1%2C.75%2C16.78V7.22A2.25%2C2.25%2C0%2C0%2C1%2C3%2C5H21m0-.75H3a3%2C3%2C0%2C0%2C0-3%2C3v9.56a3%2C3%2C0%2C0%2C0%2C3%2C3H21a3%2C3%2C0%2C0%2C0%2C3-3V7.22a3%2C3%2C0%2C0%2C0-3-3Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3C%2Fsvg%3E") !important;
+          }
+          .primary-editor > p, .primary-editor h1, .primary-editor h2, .primary-editor h3, .primary-editor h4, .primary-editor h5, .primary-editor h6, .primary-editor pre, .primary-editor blockquote, .primary-editor table, .primary-editor ul, .primary-editor ol, .primary-editor hr{
+            max-width: unset
+          }
+        `;
+      _window.document.body.append(style);
+    }
+
+    if (!_window.document.getElementById("betternotes-script")) {
+      const messageScript = _window.document.createElement("script");
+      messageScript.id = "betternotes-script";
+      messageScript.innerHTML = `
+          window.addEventListener('message', async (e)=>{
+            if(e.data.type === "exportPDF"){
+              console.log("exportPDF");
+              const container = document.getElementById("editor-container");
+              container.style.display = "none";
+
+              const fullPageStyle = document.createElement("style");
+              fullPageStyle.innerHTML =
+                "@page { margin: 0; } @media print{ body { height : auto; -webkit-print-color-adjust: exact; color-adjust: exact; }}";
+              document.body.append(fullPageStyle);
+
+              let t = 0;
+              let imageFlag = false;
+              while(!imageFlag && t < 500){
+                await new Promise(function (resolve) {
+                  setTimeout(resolve, 10);
+                });
+                imageFlag = !Array.prototype.find.call(document.querySelectorAll('img'), e=>(!e.getAttribute('src') || e.style.display === 'none'));
+                t += 1;
+              }
+
+              const editNode = document.querySelector(".primary-editor");
+              const printNode = editNode.cloneNode(true);
+              printNode.style.padding = "20px";
+              document.body.append(printNode);
+
+              let printFlag = false;
+              window.onafterprint = (e) => {
+                console.log('Print Dialog Closed..');
+                printFlag = true;
+                document.title = "Printed";
+              };
+              window.onmouseover = (e) => {
+                if (printFlag) {
+                  document.title = "Printed";
+                  printNode.remove();
+                  container.style.removeProperty('display');
+                }
+              };
+              document.title = printNode.firstChild.innerText;
+              console.log(document.title);
+              window.print();
+            }
+          }, false)
+        `;
+      _window.document.head.append(messageScript);
+    }
+
+    const moreDropdown: HTMLElement = Array.prototype.filter.call(
+      _window.document.querySelectorAll(".more-dropdown"),
+      (e) => !e.id.includes("knowledge")
+    )[0];
+    if (!moreDropdown.getAttribute("ob")) {
+      moreDropdown.setAttribute("ob", "true");
+      const dropdownOb = new MutationObserver((e) => {
+        if (
+          e[0].addedNodes.length &&
+          (e[0].addedNodes[0] as HTMLElement).classList.contains("popup")
+        ) {
+          const dropdownPopup = moreDropdown.querySelector(".popup");
+          if (dropdownPopup) {
+            const refreshButton = _window.document.createElement("button");
+            refreshButton.classList.add("option");
+            refreshButton.innerText = "Refresh Editor";
+            refreshButton.addEventListener("click", (e) => {
+              instance.init({
+                item: instance._item,
+                viewMode: instance._viewMode,
+                readOnly: instance._readOnly,
+                disableUI: instance._disableUI,
+                onReturn: instance._onReturn,
+                iframeWindow: instance._iframeWindow,
+                popup: instance._popup,
+                state: instance._state,
+              });
+            });
+            const previewButton = _window.document.createElement("button");
+            previewButton.classList.add("option");
+            previewButton.innerText = "Preview in Workspace";
+            previewButton.addEventListener("click", (e) => {
+              this._Addon.WorkspaceWindow.setWorkspaceNote(
+                "preview",
+                instance._item
+              );
+            });
+            const copyLinkButton = _window.document.createElement("button");
+            copyLinkButton.classList.add("option");
+            copyLinkButton.innerText = "Copy Note Link";
+            copyLinkButton.addEventListener("click", (e) => {
+              const link = this._Addon.NoteUtils.getNoteLink(noteItem);
+              const linkTemplate =
+                this._Addon.TemplateController.renderTemplate(
+                  "[QuickInsert]",
+                  "link, subNoteItem, noteItem",
+                  [link, noteItem, noteItem]
+                );
+              new CopyHelper()
+                .addText(link, "text/unicode")
+                .addText(linkTemplate, "text/html")
+                .copy();
+              this._Addon.ZoteroViews.showProgressWindow(
+                "Better Notes",
+                "Note Link Copied"
+              );
+            });
+
+            const copyLinkAtLineButton =
+              _window.document.createElement("button");
+            copyLinkAtLineButton.classList.add("option");
+            copyLinkAtLineButton.innerText = "Copy Note Link of Current Line";
+            copyLinkAtLineButton.addEventListener("click", (e) => {
+              const link = this._Addon.NoteUtils.getNoteLink(noteItem, {
+                withLine: true,
+              });
+              const linkTemplate =
+                this._Addon.TemplateController.renderTemplate(
+                  "[QuickInsert]",
+                  "link, subNoteItem, noteItem",
+                  [link, noteItem, noteItem]
+                );
+              new CopyHelper()
+                .addText(link, "text/unicode")
+                .addText(linkTemplate, "text/html")
+                .copy();
+              this._Addon.ZoteroViews.showProgressWindow(
+                "Better Notes",
+                `Note Link of Line ${
+                  this._Addon.NoteUtils.currentLine[noteItem.id] + 1
+                } Copied`
+              );
+            });
+            dropdownPopup.append(
+              previewButton,
+              refreshButton,
+              copyLinkButton,
+              copyLinkAtLineButton
+            );
+          }
+        }
+      });
+      dropdownOb.observe(moreDropdown, { childList: true });
+    }
+  }
+
+  public getEditorElement(_document: Document): Element {
+    let editor = _document.querySelector(".primary-editor");
+    return editor;
+  }
+
+  public async addEditorToolBar(editorInstances: Zotero.EditorInstance) {
+    await editorInstances._initPromise;
+
+    await new Promise<void>((resolve, reject) => {
+      const _document = editorInstances._iframeWindow.document;
+      const knowledgeToolBar = _document.createElement("div");
+      knowledgeToolBar.setAttribute("id", "knowledge-tools");
+      knowledgeToolBar.setAttribute("class", "toolbar");
+      const start = _document.createElement("div");
+      start.setAttribute("id", "knowledge-tools-start");
+      start.setAttribute("class", "start");
+      const middle = _document.createElement("div");
+      middle.setAttribute("id", "knowledge-tools-middle");
+      middle.setAttribute("class", "middle");
+      const end = _document.createElement("div");
+      end.setAttribute("id", "knowledge-tools-end");
+      end.setAttribute("class", "end");
+      knowledgeToolBar.append(start, middle, end);
+      _document
+        .getElementsByClassName("editor")[0]
+        .childNodes[0].before(knowledgeToolBar);
+      resolve();
+    });
+  }
+
+  public async addEditorButton(
+    editorInstances: Zotero.EditorInstance,
+    id: string,
+    icon: string,
+    title: string,
+    eventType: string,
+    position: "start" | "middle" | "end",
+    target: "knowledge" | "builtin" = "knowledge"
+  ) {
+    // Use Zotero.Notes._editorInstances to find current opened note editor
+    await editorInstances._initPromise;
+
+    const _document = editorInstances._iframeWindow.document;
+    if (_document.getElementById(id)) {
+      return;
+    }
+    let knowledgeToolBar = _document.getElementById("knowledge-tools");
+    if (!knowledgeToolBar) {
+      await this.addEditorToolBar(editorInstances);
+    }
+    let toolbar: HTMLElement;
+    if (target === "knowledge") {
+      toolbar = _document.getElementById(`knowledge-tools-${position}`);
+    } else {
+      toolbar = Array.prototype.find.call(
+        _document.getElementsByClassName(position),
+        (e) => e.getAttribute("id") !== `knowledge-tools-${position}`
+      );
+    }
+    const dropdown = _document.createElement("div");
+    dropdown.setAttribute("class", "dropdown");
+    dropdown.setAttribute("id", id);
+    const button = _document.createElement("button");
+    button.setAttribute("class", "toolbar-button");
+    button.setAttribute("title", title);
+    button.setAttribute("eventType", eventType);
+    button.innerHTML = this.icons[icon];
+    dropdown.append(button);
+    toolbar.append(dropdown);
+    const message = new EditorMessage("", {
+      itemID: editorInstances._item.id,
+      editorInstances: editorInstances,
+    });
+    dropdown.addEventListener("click", (e: XUL.XULEvent) => {
+      message.type = e.target.getAttribute("eventType");
+      message.content.event = e as XUL.XULEvent;
+      message.content.editorInstance = editorInstances;
+      this._Addon.events.onEditorEvent(message);
+    });
+    return dropdown;
+  }
+
+  public async addEditorPopup(
+    editorInstances: Zotero.EditorInstance,
+    id: string,
+    buttons: { id: string; text: string; rank: number; eventType: string }[],
+    parentDropDown: Element,
+    align: "center" | "left" | "right" = "center"
+  ) {
+    // Use Zotero.Notes._editorInstances to find current opened note editor
+    await editorInstances._initPromise;
+
+    const _document = editorInstances._iframeWindow.document;
+    let knowledgeToolBar = _document.getElementById("knowledge-tools");
+    if (!knowledgeToolBar) {
+      await this.addEditorToolBar(editorInstances);
+    }
+    const popup = _document.createElement("div");
+    popup.setAttribute("class", "popup");
+    popup.setAttribute("id", id);
+    for (let buttonParam of buttons) {
+      const button = _document.createElement("button");
+      button.setAttribute("class", "option");
+      button.setAttribute(
+        "style",
+        `text-indent: ${(buttonParam.rank - 1) * 5}px;`
+      );
+      button.setAttribute("id", buttonParam.id);
+      button.setAttribute("eventType", buttonParam.eventType);
+      button.innerHTML =
+        buttonParam.text.length > 30
+          ? `${buttonParam.text.slice(0, 30)}...`
+          : buttonParam.text;
+      popup.append(button);
+      const message = new EditorMessage("", {
+        itemID: editorInstances._item.id,
+        editorInstances: editorInstances,
+      });
+      button.addEventListener("click", (e: XUL.XULEvent) => {
+        message.type = e.target.getAttribute("eventType");
+        message.content.event = e as XUL.XULEvent;
+        message.content.editorInstance = editorInstances;
+        this._Addon.events.onEditorEvent(message);
+        e.stopPropagation();
+        popup.remove();
+      });
+    }
+    parentDropDown.append(popup);
+    Zotero.debug(popup.offsetWidth);
+    let style: string = "";
+    if (align === "center") {
+      style = `right: -${popup.offsetWidth / 2 - 15}px;`;
+    } else if (align === "left") {
+      style = "left: 0; right: auto;";
+    } else if (align === "right") {
+      style = "right: 0;";
+    }
+    popup.setAttribute("style", style);
+    return popup;
+  }
+
+  public async updateEditorPopupButtons(_window: Window, link: string) {
+    const note: Zotero.Item = link
+      ? (await this._Addon.NoteUtils.getNoteFromLink(link)).item
+      : undefined;
+    const mainNote = this._Addon.WorkspaceWindow.getWorkspaceNote();
+    // If the note is invalid, we remove the buttons
+    if (note) {
+      let insertButton = _window.document.getElementById("insert-note-link");
+      if (insertButton) {
+        insertButton.remove();
+      }
+      insertButton = _window.document.createElement("button");
+      insertButton.setAttribute("id", "insert-note-link");
+      insertButton.setAttribute(
+        "title",
+        `Import Linked Note: ${note.getNoteTitle()}`
+      );
+      insertButton.innerHTML = `<svg t="1652008007954" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="10521" width="16" height="16"><path d="M574.3 896H159.7c-17.6 0-31.9-14.3-31.9-32V160c0-17.7 14.3-32 31.9-32h382.7v160c0 35.3 28.6 64 63.8 64h159.5v192c0 17.7 14.3 32 31.9 32 17.6 0 31.9-14.3 31.9-32V270.2c0-8.5-3.3-16.6-9.3-22.6L647.4 73.4c-6-6-14.1-9.4-22.6-9.4h-497C92.6 64 64 92.7 64 128v768c0 35.3 28.6 64 63.8 64h446.5c17.6 0 31.9-14.3 31.9-32s-14.3-32-31.9-32zM638.1 288c-17.6 0-31.9-14.3-31.9-32V128l159.5 160H638.1z" p-id="10522"></path><path d="M418.8 673H225.5c-17.6 0-31.9 14.3-31.9 32s14.3 32 31.9 32h193.3c17.6 0 31.9-14.3 31.9-32s-14.3-32-31.9-32zM608.2 481H225.5c-17.6 0-31.9 14.3-31.9 32s14.3 32 31.9 32h382.7c17.6 0 31.9-14.3 31.9-32s-14.3-32-31.9-32zM225.5 353h191.4c17.6 0 31.9-14.3 31.9-32s-14.3-32-31.9-32H225.5c-17.6 0-31.9 14.3-31.9 32s14.3 32 31.9 32zM862.7 959.4c-23.6 0-47-8.8-64.8-26.6l-24.4-24.4c-12.5-12.5-12.5-32.8 0-45.3s32.7-12.5 45.1 0l24.4 24.4c11.3 11.4 30.7 10.4 43.2-2.1 12.5-12.5 13.4-31.9 2.1-43.3L749.2 702.6c-11.3-11.4-30.7-10.4-43.2 2.1-6.2 6.3-9.8 14.4-10 22.8-0.2 7.9 2.6 15.1 7.9 20.4 12.5 12.5 12.5 32.8 0 45.3s-32.7 12.5-45.1 0c-36.2-36.3-35.2-96.3 2.1-133.8 37.4-37.5 97.2-38.4 133.4-2.1l139.1 139.5c36.2 36.3 35.2 96.3-2.1 133.8-19 19.2-43.9 28.8-68.6 28.8z" p-id="10523"></path><path d="M696.3 883.1c-23.6 0-47-8.8-64.8-26.6l-139-139.6c-17.7-17.8-27.2-41.7-26.6-67.2 0.6-25 10.8-48.6 28.7-66.6 17.9-17.9 41.5-28.2 66.4-28.8 25.5-0.6 49.3 8.9 67 26.6l24.4 24.4c12.5 12.5 12.5 32.8 0 45.3s-32.7 12.5-45.1 0l-24.4-24.4c-5.3-5.3-12.5-8.1-20.4-7.9-8.4 0.2-16.5 3.8-22.8 10-6.2 6.3-9.8 14.4-10 22.8-0.2 7.9 2.6 15.1 7.9 20.4L676.7 811c11.3 11.4 30.7 10.4 43.2-2.1 12.5-12.5 13.4-31.9 2.1-43.3-12.5-12.5-12.5-32.8 0-45.3s32.7-12.5 45.1 0c36.2 36.3 35.3 96.3-2.1 133.8-19.1 19.3-44 29-68.7 29z" p-id="10524"></path></svg>`;
+      insertButton.addEventListener("click", async (e) => {
+        let newLines = [];
+        const convertResult = await this._Addon.NoteUtils.convertNoteLines(
+          note,
+          [],
+          true
+        );
+        const subNoteLines = convertResult.lines;
+        // Prevent note to be too long
+        if (subNoteLines.join("\n").length > 100000) {
+          this._Addon.ZoteroViews.showProgressWindow(
+            "Better Notes",
+            "The linked note is too long. Import ignored."
+          );
+          return;
+        }
+        const templateText =
+          await this._Addon.TemplateController.renderTemplateAsync(
+            "[QuickImport]",
+            "subNoteLines, subNoteItem, noteItem",
+            [subNoteLines, note, mainNote]
+          );
+        newLines.push(templateText);
+        const newLineString = newLines.join("\n");
+        const notifyFlag: ZoteroPromise = Zotero.Promise.defer();
+        const notifierName = "insertLinkWait";
+        this._Addon.events.addNotifyListener(
+          notifierName,
+          (
+            event: string,
+            type: string,
+            ids: Array<number>,
+            extraData: object
+          ) => {
+            if (
+              event === "modify" &&
+              type === "item" &&
+              ids.includes(mainNote.id)
+            ) {
+              notifyFlag.resolve();
+              this._Addon.events.removeNotifyListener(notifierName);
+            }
+          }
+        );
+        await this._Addon.NoteUtils.modifyLineInNote(
+          mainNote,
+          (oldLine: string) => {
+            Zotero.debug(oldLine);
+            const params = this._Addon.NoteParse.parseParamsFromLink(link);
+            const newLink = !params.ignore
+              ? link + (link.includes("?") ? "&ignore=1" : "?ignore=1")
+              : link;
+            const linkIndex =
+              this._Addon.NoteParse.parseLinkIndexInText(oldLine);
+            Zotero.debug(linkIndex);
+            return `${oldLine.slice(0, linkIndex[0])}${newLink}${oldLine.slice(
+              linkIndex[1]
+            )}\n${newLineString}`;
+          },
+          this._Addon.NoteUtils.currentLine[mainNote.id],
+          true
+        );
+        // wait the first modify finish
+        await notifyFlag.promise;
+        let hasAttachemnts = false;
+        for (const _n of [note, ...convertResult.subNotes]) {
+          if ((Zotero.Items.get(_n.getAttachments()) as Zotero.Item[]).length) {
+            hasAttachemnts = true;
+            break;
+          }
+        }
+        if (hasAttachemnts) {
+          await Zotero.DB.executeTransaction(async () => {
+            await Zotero.Notes.copyEmbeddedImages(note, mainNote);
+            for (const subNote of convertResult.subNotes) {
+              await Zotero.Notes.copyEmbeddedImages(subNote, mainNote);
+            }
+          });
+          await this._Addon.NoteUtils.scrollWithRefresh(
+            this._Addon.NoteUtils.currentLine[mainNote.id]
+          );
+        }
+      });
+
+      let updateButton = _window.document.getElementById("update-note-link");
+      if (updateButton) {
+        updateButton.remove();
+      }
+      updateButton = _window.document.createElement("button");
+      updateButton.setAttribute("id", "update-note-link");
+      updateButton.setAttribute(
+        "title",
+        `Update Link Text: ${note.getNoteTitle()}`
+      );
+      updateButton.innerHTML = `<svg t="1652685521153" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="7063" width="16" height="16"><path d="M271.914667 837.418667C182.314667 756.522667 128 637.653333 128 508.714667 128 304.896 263.338667 129.834667 450.986667 85.333333L469.333333 170.026667c-150.016 35.584-258.304 175.658667-258.304 338.688 0 106.069333 45.866667 203.562667 121.258667 268.373333L426.666667 682.666667v256H170.666667l101.248-101.248zM727.082667 168.917333C831.530667 249.045333 896 377.088 896 517.077333c0 202.922667-135.338667 377.258667-322.986667 421.589334L554.666667 854.357333c150.016-35.456 258.304-174.933333 258.304-337.322666 0-117.12-56.405333-223.786667-146.901334-287.146667L554.666667 341.333333V85.333333h256l-83.584 83.584z" p-id="7064"></path></svg>`;
+      updateButton.addEventListener("click", async (e) => {
+        Zotero.debug("ZBN: Update Link Text");
+        const noteLines = this._Addon.NoteUtils.getLinesInNote(mainNote);
+        let line = noteLines[this._Addon.NoteUtils.currentLine[mainNote.id]];
+        Zotero.debug(line);
+
+        let linkStart = line.search(/<a /g);
+        let linkEnd = line.search(/<\/a>/g) + 4;
+        let beforeLink = line.slice(0, linkStart);
+        let afterLink = line.slice(linkEnd);
+        let linkPart = line.slice(linkStart, linkEnd);
+        let link = this._Addon.NoteParse.parseLinkInText(linkPart);
+        let currentNote: Zotero.Item;
+        if (link) {
+          currentNote = (await this._Addon.NoteUtils.getNoteFromLink(link))
+            .item;
+        }
+
+        while (
+          linkPart &&
+          (!link || !currentNote || currentNote.id !== note.id)
+        ) {
+          line = afterLink;
+          beforeLink = beforeLink + linkPart;
+          line = afterLink;
+
+          linkStart = line.search(/<a /g);
+          linkEnd = line.search(/<\/a>/g) + 4;
+          beforeLink = beforeLink + line.slice(0, linkStart);
+          afterLink = line.slice(linkEnd);
+          linkPart = line.slice(linkStart, linkEnd);
+          link = this._Addon.NoteParse.parseLinkInText(linkPart);
+          if (link) {
+            currentNote = (await this._Addon.NoteUtils.getNoteFromLink(link))
+              .item;
+          }
+        }
+        if (!linkPart) {
+          return;
+        }
+        beforeLink = beforeLink + linkPart.slice(0, linkPart.search(/>/) + 1);
+        afterLink = "</a>" + afterLink;
+        const newLine = `${beforeLink}${currentNote.getNoteTitle()}${afterLink}`;
+        Zotero.debug(newLine);
+        noteLines[this._Addon.NoteUtils.currentLine[mainNote.id]] = newLine;
+
+        await this._Addon.NoteUtils.setLinesToNote(mainNote, noteLines);
+        this._Addon.NoteUtils.scrollWithRefresh(
+          this._Addon.NoteUtils.currentLine[mainNote.id]
+        );
+      });
+
+      let previewContainer =
+        _window.document.getElementById("note-link-preview");
+      if (previewContainer) {
+        previewContainer.remove();
+      }
+      previewContainer = _window.document.createElementNS(
+        "http://www.w3.org/1999/xhtml",
+        "div"
+      );
+      previewContainer.id = "note-link-preview";
+      previewContainer.setAttribute(
+        "style",
+        "width: 98%;height: 300px;position: absolute;background: white;bottom: 36px;overflow: hidden;box-shadow: 0 0 5px 5px rgba(0,0,0,0.2);border-radius: 5px;cursor: pointer;opacity: 0.9;"
+      );
+      previewContainer.className = "ProseMirror primary-editor";
+      previewContainer.innerHTML =
+        await this._Addon.NoteParse.parseNoteStyleHTML(note);
+      previewContainer.addEventListener("click", (e) => {
+        this._Addon.WorkspaceWindow.setWorkspaceNote("preview", note);
+      });
+      const linkPopup = _window.document.querySelector(".link-popup");
+      if (linkPopup) {
+        linkPopup.append(insertButton, updateButton, previewContainer);
+        previewContainer
+          .querySelector("div[data-schema-version]")
+          .childNodes.forEach((node) => {
+            if ((node as Element).setAttribute) {
+              (node as Element).setAttribute("style", "margin: 0");
+            } else {
+              node.remove();
+            }
+          });
+      }
+    } else {
+      const insertLink = _window.document.querySelector("#insert-note-link");
+      if (insertLink) {
+        insertLink.remove();
+      }
+
+      const updateLink = _window.document.querySelector("#update-note-link");
+      if (updateLink) {
+        updateLink.remove();
+      }
+
+      const previewContainer =
+        _window.document.querySelector("#note-link-preview");
+      if (previewContainer) {
+        previewContainer.remove();
+      }
+    }
+  }
+
+  public async scrollToLine(
+    instance: Zotero.EditorInstance,
+    lineIndex: number
+  ) {
+    await instance._initPromise;
+    let editorElement = this.getEditorElement(instance._iframeWindow.document);
+    const eleList = [];
+    const diveTagNames = ["OL", "UL", "LI"];
+
+    const nodes = Array.from(editorElement.children);
+    for (let i in nodes) {
+      const ele = nodes[i];
+      if (diveTagNames.includes(ele.tagName)) {
+        this._Addon.NoteParse.parseListElements(
+          ele as HTMLElement,
+          eleList,
+          diveTagNames
+        );
+      } else {
+        eleList.push(ele);
+      }
+    }
+    console.log(eleList, lineIndex);
+    if (lineIndex >= eleList.length) {
+      lineIndex = eleList.length - 1;
+    } else if (lineIndex < 0) {
+      lineIndex = 0;
+    }
+
+    // @ts-ignore
+    const scrollNum = eleList[lineIndex].offsetTop;
+    (editorElement.parentNode as HTMLElement).scrollTo(0, scrollNum);
+  }
+
+  public scrollToPosition(instance: Zotero.EditorInstance, offset: number) {
+    let editorElement = this.getEditorElement(instance._iframeWindow.document);
+    // @ts-ignore
+    (editorElement.parentNode as HTMLElement).scrollTo(0, offset);
+  }
+}
+
+export default EditorViews;
diff --git a/src/editor/noteExportController.ts b/src/editor/noteExportController.ts
new file mode 100644
index 0000000..ae34a1b
--- /dev/null
+++ b/src/editor/noteExportController.ts
@@ -0,0 +1,351 @@
+import Knowledge4Zotero from "../addon";
+import { pick } from "../utils";
+import AddonBase from "../module";
+
+class NoteExport extends AddonBase {
+  _exportPath: string;
+  _exportFileInfo: Array<{
+    link: string;
+    id: number;
+    note: Zotero.Item;
+    filename: string;
+  }>;
+  _pdfNoteId: number;
+  _pdfPrintPromise: ZoteroPromise;
+
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+    this._pdfNoteId = -1;
+    this._exportFileInfo = [];
+  }
+
+  async exportNoteToFile(
+    note: Zotero.Item,
+    convertNoteLinks: boolean = true,
+    saveMD: boolean = true,
+    saveNote: boolean = false,
+    doCopy: boolean = false,
+    savePDF: boolean = false
+  ) {
+    if (!saveMD && !saveNote && !doCopy && !savePDF) {
+      return;
+    }
+    this._exportFileInfo = [];
+
+    let newNote: Zotero.Item;
+    if (convertNoteLinks || saveNote) {
+      const noteID = await ZoteroPane_Local.newNote();
+      newNote = Zotero.Items.get(noteID) as Zotero.Item;
+      const rootNoteIds = [note.id];
+
+      const convertResult = await this._Addon.NoteUtils.convertNoteLines(
+        note,
+        rootNoteIds,
+        convertNoteLinks
+      );
+
+      await this._Addon.NoteUtils.setLinesToNote(newNote, convertResult.lines);
+      Zotero.debug(convertResult.subNotes);
+
+      await Zotero.DB.executeTransaction(async () => {
+        await Zotero.Notes.copyEmbeddedImages(note, newNote);
+        for (const subNote of convertResult.subNotes) {
+          await Zotero.Notes.copyEmbeddedImages(subNote, newNote);
+        }
+      });
+    } else {
+      newNote = note;
+    }
+
+    if (saveMD) {
+      const filename = await pick(
+        Zotero.getString("fileInterface.export"),
+        "save",
+        [["MarkDown File(*.md)", "*.md"]],
+        `${newNote.getNoteTitle()}.md`
+      );
+      if (filename) {
+        this._exportPath =
+          Zotero.File.pathToFile(filename).parent.path + "/attachments";
+        // Convert to unix format
+        this._exportPath = this._exportPath.replace(/\\/g, "/");
+        await this._export(newNote, filename, false);
+      }
+    }
+    if (doCopy) {
+      if (!convertNoteLinks) {
+        Zotero_File_Interface.exportItemsToClipboard(
+          [newNote],
+          Zotero.Translators.TRANSLATOR_ID_MARKDOWN_AND_RICH_TEXT
+        );
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Better Notes",
+          "Note Copied"
+        );
+      } else {
+        alert(
+          "Select all in the new note window and copy-paste to other applications."
+        );
+        ZoteroPane.openNoteWindow(newNote.id);
+        alert(
+          "Waiting for paste finish...\nImages may not be copied correctly if OK is pressed before paste."
+        );
+      }
+    }
+    if (savePDF) {
+      console.log(newNote);
+      let _w: Window;
+      let t = 0;
+      this._pdfNoteId = newNote.id;
+      this._pdfPrintPromise = Zotero.Promise.defer();
+      ZoteroPane.selectItem(note.id);
+      do {
+        ZoteroPane.openNoteWindow(newNote.id);
+        _w = ZoteroPane.findNoteWindow(newNote.id);
+        console.log(_w);
+        await Zotero.Promise.delay(10);
+        t += 1;
+      } while (!_w && t < 500);
+      ZoteroPane.selectItem(note.id);
+      _w.resizeTo(900, 650);
+      const checkPrint = () => {
+        try {
+          const editor: any = _w.document.querySelector("#zotero-note-editor");
+          const instance: Zotero.EditorInstance = editor.getCurrentInstance();
+          console.log(instance._iframeWindow.document.title);
+          if (instance._iframeWindow.document.title === "Printed") {
+            this._pdfPrintPromise.resolve();
+            return;
+          }
+        } catch (e) {}
+        setTimeout(checkPrint, 300);
+      };
+      checkPrint();
+      await this._pdfPrintPromise.promise;
+      console.log("print finish detected");
+      const closeFlag = _w.confirm(
+        "Printing finished. Do you want to close the preview window?"
+      );
+      if (closeFlag) {
+        _w.close();
+      }
+    }
+    if (!saveNote) {
+      if (newNote.id !== note.id) {
+        const _w: Window = ZoteroPane.findNoteWindow(newNote.id);
+        if (_w) {
+          _w.close();
+        }
+        await Zotero.Items.erase(newNote.id);
+      }
+    } else {
+      ZoteroPane.openNoteWindow(newNote.id);
+    }
+  }
+
+  async exportNotesToFile(
+    notes: Zotero.Item[],
+    useEmbed: boolean,
+    useSync: boolean = false
+  ) {
+    Components.utils.import("resource://gre/modules/osfile.jsm");
+    this._exportFileInfo = [];
+    const filepath = await pick(
+      Zotero.getString(useSync ? "sync.sync" : "fileInterface.export") +
+        " MarkDown",
+      "folder"
+    );
+
+    if (!filepath) {
+      return;
+    }
+
+    this._exportPath = Zotero.File.pathToFile(filepath).path + "/attachments";
+    // Convert to unix format
+    this._exportPath = this._exportPath.replace(/\\/g, "/");
+
+    notes = notes.filter((n) => n && n.getNote);
+
+    if (useEmbed) {
+      for (const note of notes) {
+        let newNote: Zotero.Item;
+        if (this._Addon.NoteParse.parseLinkInText(note.getNote())) {
+          const noteID = await ZoteroPane_Local.newNote();
+          newNote = Zotero.Items.get(noteID) as Zotero.Item;
+          const rootNoteIds = [note.id];
+
+          const convertResult = await this._Addon.NoteUtils.convertNoteLines(
+            note,
+            rootNoteIds,
+            true
+          );
+
+          await this._Addon.NoteUtils.setLinesToNote(
+            newNote,
+            convertResult.lines
+          );
+          Zotero.debug(convertResult.subNotes);
+
+          await Zotero.DB.executeTransaction(async () => {
+            await Zotero.Notes.copyEmbeddedImages(note, newNote);
+            for (const subNote of convertResult.subNotes) {
+              await Zotero.Notes.copyEmbeddedImages(subNote, newNote);
+            }
+          });
+        } else {
+          newNote = note;
+        }
+
+        let filename = `${
+          Zotero.File.pathToFile(filepath).path
+        }/${this._getFileName(note)}`;
+        filename = filename.replace(/\\/g, "/");
+
+        await this._export(newNote, filename, newNote.id !== note.id);
+      }
+    } else {
+      // Export every linked note as a markdown file
+      // Find all linked notes that need to be exported
+      let allNoteIds: number[] = notes.map((n) => n.id);
+      for (const note of notes) {
+        const linkMatches = note
+          .getNote()
+          .match(/zotero:\/\/note\/\w+\/\w+\//g);
+        if (!linkMatches) {
+          continue;
+        }
+        const subNoteIds = (
+          await Promise.all(
+            linkMatches.map(async (link) =>
+              this._Addon.NoteUtils.getNoteFromLink(link)
+            )
+          )
+        )
+          .filter((res) => res.item)
+          .map((res) => res.item.id);
+        allNoteIds = allNoteIds.concat(subNoteIds);
+      }
+      allNoteIds = Array.from(new Set(allNoteIds));
+      const allNoteItems: Zotero.Item[] = Zotero.Items.get(
+        allNoteIds
+      ) as Zotero.Item[];
+      const noteLinkDict = allNoteItems.map((_note) => {
+        return {
+          link: this._Addon.NoteUtils.getNoteLink(_note),
+          id: _note.id,
+          note: _note,
+          filename: this._getFileName(_note),
+        };
+      });
+      this._exportFileInfo = noteLinkDict;
+
+      for (const noteInfo of noteLinkDict) {
+        let exportPath = `${Zotero.File.pathToFile(filepath).path}/${
+          noteInfo.filename
+        }`;
+        await this._export(noteInfo.note, exportPath, false);
+        if (useSync) {
+          this._Addon.SyncController.updateNoteSyncStatus(
+            noteInfo.note,
+            Zotero.File.pathToFile(filepath).path,
+            noteInfo.filename
+          );
+        }
+      }
+    }
+  }
+
+  async syncNotesToFile(notes: Zotero.Item[], filepath: string) {
+    this._exportPath = Zotero.File.pathToFile(filepath).path + "/attachments";
+    // Convert to unix format
+    this._exportPath = this._exportPath.replace(/\\/g, "/");
+
+    // Export every linked note as a markdown file
+    // Find all linked notes that need to be exported
+    let allNoteIds: number[] = notes.map((n) => n.id);
+    for (const note of notes) {
+      const linkMatches = note.getNote().match(/zotero:\/\/note\/\w+\/\w+\//g);
+      if (!linkMatches) {
+        continue;
+      }
+      const subNoteIds = (
+        await Promise.all(
+          linkMatches.map(async (link) =>
+            this._Addon.NoteUtils.getNoteFromLink(link)
+          )
+        )
+      )
+        .filter((res) => res.item)
+        .map((res) => res.item.id);
+      allNoteIds = allNoteIds.concat(subNoteIds);
+    }
+    allNoteIds = new Array(...new Set(allNoteIds));
+    // console.log(allNoteIds);
+    const allNoteItems: Zotero.Item[] = Zotero.Items.get(
+      allNoteIds
+    ) as Zotero.Item[];
+    const noteLinkDict = allNoteItems.map((_note) => {
+      return {
+        link: this._Addon.NoteUtils.getNoteLink(_note),
+        id: _note.id,
+        note: _note,
+        filename: this._getFileName(_note),
+      };
+    });
+    this._exportFileInfo = noteLinkDict;
+
+    for (const note of notes) {
+      const syncInfo = this._Addon.SyncController.getNoteSyncStatus(note);
+      let exportPath = `${decodeURIComponent(
+        syncInfo.path
+      )}/${decodeURIComponent(syncInfo.filename)}`;
+      await this._export(note, exportPath, false);
+      this._Addon.SyncController.updateNoteSyncStatus(note);
+    }
+  }
+
+  private async _export(
+    note: Zotero.Item,
+    filename: string,
+    deleteAfterExport: boolean
+  ) {
+    const hasImage = note.getNote().includes("<img");
+    if (hasImage) {
+      await Zotero.File.createDirectoryIfMissingAsync(
+        OS.Path.join(...this._exportPath.split(/\//))
+      );
+    }
+
+    filename = filename.replace(/\\/g, "/");
+    filename = OS.Path.join(...filename.split(/\//));
+    if (!Zotero.isWin && filename.charAt(0) !== "/") {
+      filename = "/" + filename;
+    }
+    const content: string = await this._Addon.NoteParse.parseNoteToMD(note);
+    console.log(
+      `Exporting MD file: ${filename}, content length: ${content.length}`
+    );
+    await Zotero.File.putContentsAsync(filename, content);
+    this._Addon.ZoteroViews.showProgressWindow(
+      "Better Notes",
+      `Note Saved to ${filename}`
+    );
+    if (deleteAfterExport) {
+      const _w: Window = ZoteroPane.findNoteWindow(note.id);
+      if (_w) {
+        _w.close();
+      }
+      await Zotero.Items.erase(note.id);
+    }
+  }
+
+  private _getFileName(noteItem: Zotero.Item) {
+    return (
+      this._Addon.TemplateController.renderTemplate("[ExportMDFileName]", "noteItem", [
+        noteItem,
+      ]) as string
+    ).replace(/\\/g, "-");
+  }
+}
+
+export default NoteExport;
diff --git a/src/export.ts b/src/editor/noteExportWindow.ts
similarity index 97%
rename from src/export.ts
rename to src/editor/noteExportWindow.ts
index d8e6724..ca9b697 100644
--- a/src/export.ts
+++ b/src/editor/noteExportWindow.ts
@@ -1,7 +1,7 @@
-import Knowledge4Zotero from "./addon";
-import AddonBase from "./module";
+import Knowledge4Zotero from "../addon";
+import AddonBase from "../module";
 
-class AddonExport extends AddonBase {
+class NoteExportWindow extends AddonBase {
   private io: {
     dataIn: any;
     dataOut: any;
@@ -224,4 +224,4 @@ class AddonExport extends AddonBase {
   }
 }
 
-export default AddonExport;
+export default NoteExportWindow;
diff --git a/src/parse.ts b/src/editor/noteParse.ts
similarity index 92%
rename from src/parse.ts
rename to src/editor/noteParse.ts
index c47f7b2..0b48863 100644
--- a/src/parse.ts
+++ b/src/editor/noteParse.ts
@@ -1,12 +1,12 @@
-import AddonBase from "./module";
+import AddonBase from "../module";
 import { HTML2Markdown, Markdown2HTML } from "./convertMD";
 import TurndownService = require("turndown");
 const turndownPluginGfm = require("turndown-plugin-gfm");
-const TreeModel = require("./treemodel");
+const TreeModel = require("tree-model");
 const asciidoctor = require("asciidoctor")();
 const seedrandom = require("seedrandom");
 
-class AddonParse extends AddonBase {
+class NoteParse extends AddonBase {
   private getDOMParser(): DOMParser {
     if (Zotero.platformMajorVersion > 60) {
       return new DOMParser();
@@ -35,18 +35,8 @@ class AddonParse extends AddonBase {
   }
 
   public parseNoteTree(note: Zotero.Item): TreeModel.Node<object> {
-    const noteLines = this._Addon.knowledge.getLinesInNote(note);
+    const noteLines = this._Addon.NoteUtils.getLinesInNote(note);
     let tree = new TreeModel();
-    /*
-    tree-model/index.js: line 40
-    TreeModel.prototype.parse = function (model) {
-    var i, childCount, node;
-    Annotate the line 40 of:
-
-    // if (!(model instanceof Object)) {
-    //   throw new TypeError('Model must be of type object.');
-    // }
-    */
     let root = tree.parse({
       id: -1,
       rank: 0,
@@ -74,7 +64,7 @@ class AddonParse extends AddonBase {
           link = lineElement.slice(lineElement.search(/href="/g) + 6);
           link = link.slice(0, link.search(/"/g));
         }
-        name = this._Addon.parse.parseLineText(lineElement);
+        name = this._Addon.NoteParse.parseLineText(lineElement);
 
         // Find parent node
         let parentNode = lastNode;
@@ -206,7 +196,7 @@ class AddonParse extends AddonBase {
     const diveTagNames = ["OL", "UL", "LI"];
     for (const e of doc.children) {
       if (diveTagNames.includes(e.tagName)) {
-        const innerLines = this.parseListElements(e);
+        const innerLines = this.parseListElements(e as HTMLElement);
         currentLineIndex += innerLines.length;
         currentElement = innerLines[innerLines.length - 1];
         elements = elements.concat(innerLines);
@@ -219,9 +209,9 @@ class AddonParse extends AddonBase {
     return elements;
   }
 
-  parseHTMLLineElement(doc: HTMLElement, lineIndex: number): Element {
+  parseHTMLLineElement(doc: HTMLElement, lineIndex: number): HTMLElement {
     let currentLineIndex = 0;
-    let currentElement: Element;
+    let currentElement: HTMLElement;
 
     const diveTagNames = ["OL", "UL", "LI"];
     for (const e of doc.children) {
@@ -229,7 +219,7 @@ class AddonParse extends AddonBase {
         break;
       }
       if (diveTagNames.includes(e.tagName)) {
-        const innerLines = this.parseListElements(e);
+        const innerLines = this.parseListElements(e as HTMLElement);
         if (currentLineIndex + innerLines.length > lineIndex) {
           // The target line is inside the line list
           for (const _e of innerLines) {
@@ -245,7 +235,7 @@ class AddonParse extends AddonBase {
         }
       } else {
         currentLineIndex += 1;
-        currentElement = e;
+        currentElement = e as HTMLElement;
         // console.log(currentLineIndex, e);
       }
     }
@@ -283,13 +273,13 @@ class AddonParse extends AddonBase {
     }
     let annotationJSONList = [];
     for (const annot of annotations) {
-      const annotJson = await this._Addon.parse.parseAnnotation(annot);
+      const annotJson = await this._Addon.NoteParse.parseAnnotation(annot);
       if (ignoreComment && annotJson.comment) {
         annotJson.comment = "";
       }
       annotationJSONList.push(annotJson);
     }
-    await this._Addon.knowledge.importImagesToNote(note, annotationJSONList);
+    await this._Addon.NoteUtils.importImagesToNote(note, annotationJSONList);
     const html =
       Zotero.EditorInstanceUtilities.serializeAnnotations(
         annotationJSONList
@@ -297,7 +287,7 @@ class AddonParse extends AddonBase {
     return html;
   }
 
-  async parseNoteStyleHTML(item: Zotero.Item, lineCount: 5) {
+  async parseNoteStyleHTML(item: Zotero.Item, lineCount: number = 5) {
     if (!item.isNote()) {
       throw new Error("Item is not a note");
     }
@@ -396,8 +386,8 @@ class AddonParse extends AddonBase {
   }
 
   parseListElements(
-    e: Element,
-    eleList: Element[] = undefined,
+    e: HTMLElement,
+    eleList: HTMLElement[] = undefined,
     tags: string[] = ["OL", "UL", "LI"]
   ) {
     if (!eleList) {
@@ -405,7 +395,7 @@ class AddonParse extends AddonBase {
     }
     for (let _e of e.children) {
       if (tags.includes(_e.tagName)) {
-        this.parseListElements(_e, eleList);
+        this.parseListElements(_e as HTMLElement, eleList);
       } else {
         eleList.push(e);
       }
@@ -413,8 +403,7 @@ class AddonParse extends AddonBase {
     return eleList;
   }
 
-  parseNoteHTML(note: Zotero.Item): Element {
-    note = note || this._Addon.knowledge.getWorkspaceNote();
+  parseNoteHTML(note: Zotero.Item): HTMLElement {
     if (!note) {
       return undefined;
     }
@@ -425,7 +414,7 @@ class AddonParse extends AddonBase {
     let parser = this.getDOMParser();
     let doc = parser.parseFromString(noteText, "text/html");
 
-    let metadataContainer: Element = doc.querySelector(
+    let metadataContainer: HTMLElement = doc.querySelector(
       "body > div[data-schema-version]"
     );
     return metadataContainer;
@@ -573,7 +562,7 @@ class AddonParse extends AddonBase {
       Zotero.debug(oldFile);
       let ext = oldFile.split(".").pop();
       let newAbsPath = OS.Path.join(
-        ...`${this._Addon.knowledge._exportPath}/${imgKey}.${ext}`.split(/\//)
+        ...`${this._Addon.NoteExport._exportPath}/${imgKey}.${ext}`.split(/\//)
       );
       if (!Zotero.isWin && newAbsPath.charAt(0) !== "/") {
         newAbsPath = "/" + newAbsPath;
@@ -697,7 +686,7 @@ class AddonParse extends AddonBase {
         );
       },
 
-      replacement: function (content, node: HTMLElement, options) {
+      replacement: (content, node: HTMLElement, options) => {
         var href = node.getAttribute("href");
         const cleanAttribute = (attribute) =>
           attribute ? attribute.replace(/(\n+\s*)+/g, "\n") : "";
@@ -705,14 +694,9 @@ class AddonParse extends AddonBase {
         if (title) title = ' "' + title + '"';
         if (href.search(/zotero:\/\/note\/\w+\/\w+\//g) !== -1) {
           // A note link should be converted if it is in the _exportFileDict
-          var _Zotero = Components.classes["@zotero.org/Zotero;1"].getService(
-            Components.interfaces.nsISupports
-          ).wrappedJSObject;
-          const noteInfo =
-            _Zotero.Knowledge4Zotero.knowledge._exportFileDict &&
-            _Zotero.Knowledge4Zotero.knowledge._exportFileDict.find((i) =>
-              href.includes(i.link)
-            );
+          const noteInfo = this._Addon.NoteExport._exportFileInfo.find((i) =>
+            href.includes(i.link)
+          );
           if (noteInfo) {
             href = `./${noteInfo.filename}`;
           }
@@ -726,4 +710,4 @@ class AddonParse extends AddonBase {
   }
 }
 
-export default AddonParse;
+export default NoteParse;
diff --git a/src/editor/noteUtils.ts b/src/editor/noteUtils.ts
new file mode 100644
index 0000000..32b705e
--- /dev/null
+++ b/src/editor/noteUtils.ts
@@ -0,0 +1,709 @@
+import Knowledge4Zotero from "../addon";
+import AddonBase from "../module";
+
+class NoteUtils extends AddonBase {
+  public currentLine: any;
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+    this.currentLine = [];
+  }
+
+  public getLinesInNote(note: Zotero.Item): string[] {
+    if (!note) {
+      return [];
+    }
+    let noteText: string = note.getNote();
+    return this._Addon.NoteParse.parseHTMLLines(noteText);
+  }
+
+  public async setLinesToNote(note: Zotero.Item, noteLines: string[]) {
+    if (!note) {
+      return [];
+    }
+    let noteText: string = note.getNote();
+    let containerIndex = noteText.search(/data-schema-version="8">/g);
+    if (containerIndex === -1) {
+      note.setNote(
+        `<div data-schema-version="8">${noteLines.join("\n")}</div>`
+      );
+    } else {
+      let noteHead = noteText.substring(0, containerIndex);
+      note.setNote(
+        `${noteHead}data-schema-version="8">${noteLines.join("\n")}</div>`
+      );
+    }
+
+    await note.saveTx();
+  }
+
+  public async addLineToNote(
+    note: Zotero.Item,
+    text: string,
+    lineIndex: number,
+    forceMetadata: boolean = false,
+    position: "before" | "after" = "after"
+  ) {
+    if (!note) {
+      return;
+    }
+    let noteLines = this.getLinesInNote(note);
+    if (lineIndex < 0) {
+      lineIndex = this.currentLine[note.id];
+      lineIndex = lineIndex && lineIndex >= 0 ? lineIndex : noteLines.length;
+    } else if (lineIndex >= noteLines.length) {
+      lineIndex = noteLines.length;
+    }
+    Zotero.debug(
+      `insert to ${lineIndex}, it used to be ${noteLines[lineIndex]}`
+    );
+    Zotero.debug(text);
+
+    const editorInstance = this._Addon.WorkspaceWindow.getEditorInstance(note);
+    if (editorInstance && !forceMetadata) {
+      // The note is opened. Add line via note editor
+      console.log("Add note line via note editor");
+      const _document = editorInstance._iframeWindow.document;
+      const currentElement = this._Addon.NoteParse.parseHTMLLineElement(
+        _document.querySelector(".primary-editor"),
+        lineIndex
+      );
+      const frag = _document.createDocumentFragment();
+      const temp = _document.createElement("div");
+      temp.innerHTML = text;
+      while (temp.firstChild) {
+        frag.appendChild(temp.firstChild);
+      }
+      position === "after"
+        ? currentElement.after(frag)
+        : currentElement.before(frag);
+      this._Addon.EditorViews.scrollToPosition(
+        editorInstance,
+        currentElement.offsetTop
+      );
+    } else {
+      // The note editor does not exits yet. Fall back to modify the metadata
+      console.log("Add note line via note metadata");
+
+      // insert after/before current line
+      if (position === "after") {
+        lineIndex += 1;
+      }
+      noteLines.splice(lineIndex, 0, text);
+      await this.setLinesToNote(note, noteLines);
+      if (this._Addon.WorkspaceWindow.getWorkspaceNote().id === note.id) {
+        await this.scrollWithRefresh(lineIndex);
+      }
+    }
+  }
+
+  private _dataURLtoBlob(dataurl: string) {
+    let parts = dataurl.split(",");
+    let matches = parts[0]?.match(/:(.*?);/);
+    if (!matches || !matches[1]) {
+      return;
+    }
+    let mime = matches[1];
+    if (parts[0].indexOf("base64") !== -1) {
+      let bstr = atob(parts[1]);
+      let n = bstr.length;
+      let u8arr = new Uint8Array(n);
+      while (n--) {
+        u8arr[n] = bstr.charCodeAt(n);
+      }
+
+      return new (Zotero.getMainWindow().Blob)([u8arr], { type: mime });
+    }
+    return null;
+  }
+
+  private async _importImage(note: Zotero.Item, src, download = false) {
+    let blob;
+    if (src.startsWith("data:")) {
+      blob = this._dataURLtoBlob(src);
+    } else if (download) {
+      let res;
+
+      try {
+        res = await Zotero.HTTP.request("GET", src, { responseType: "blob" });
+      } catch (e) {
+        return;
+      }
+      blob = res.response;
+    } else {
+      return;
+    }
+
+    let attachment = await Zotero.Attachments.importEmbeddedImage({
+      blob,
+      parentItemID: note.id,
+      saveOptions: {},
+    });
+
+    return attachment.key;
+  }
+
+  public async importImagesToNote(note: Zotero.Item, annotations: any) {
+    for (let annotation of annotations) {
+      if (annotation.image) {
+        annotation.imageAttachmentKey = await this._importImage(
+          note,
+          annotation.image
+        );
+      }
+      delete annotation.image;
+    }
+  }
+
+  public async addAnnotationsToNote(
+    note: Zotero.Item,
+    annotations: Zotero.Item[],
+    lineIndex: number
+  ) {
+    if (!note) {
+      return;
+    }
+    const html = await this._Addon.NoteParse.parseAnnotationHTML(
+      note,
+      annotations
+    );
+    await this.addLineToNote(note, html, lineIndex);
+    return html;
+  }
+
+  public addLinkToNote(
+    targetNote: Zotero.Item,
+    linkedNote: Zotero.Item,
+    lineIndex: number,
+    sectionName: string
+  ) {
+    if (!targetNote) {
+      return;
+    }
+    if (!linkedNote.isNote()) {
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes",
+        "Not a note item"
+      );
+      return;
+    }
+    const link = this.getNoteLink(linkedNote);
+    const linkText = linkedNote.getNoteTitle().trim();
+
+    const linkTemplate = this._Addon.TemplateController.renderTemplate(
+      "[QuickInsert]",
+      "link, subNoteItem, noteItem, sectionName, lineIndex",
+      [link, linkedNote, targetNote, sectionName, lineIndex]
+    );
+
+    this.addLineToNote(targetNote, linkTemplate, lineIndex);
+
+    const backLinkTemplate = this._Addon.TemplateController.renderTemplate(
+      "[QuickBackLink]",
+      "subNoteItem, noteItem, sectionName, lineIndex",
+      [linkedNote, targetNote, sectionName, lineIndex],
+      false
+    );
+
+    if (backLinkTemplate) {
+      this.addLineToNote(linkedNote, backLinkTemplate, -1);
+    }
+
+    this._Addon.ZoteroViews.showProgressWindow(
+      "Better Notes",
+      `Link is added to workspace${lineIndex >= 0 ? ` line ${lineIndex}` : ""}`
+    );
+  }
+
+  public getNoteLink(
+    note: Zotero.Item,
+    options: {
+      ignore?: boolean;
+      withLine?: boolean;
+    } = { ignore: false, withLine: false }
+  ) {
+    let libraryID = note.libraryID;
+    let library = Zotero.Libraries.get(libraryID);
+    let groupID: string;
+    if (library.libraryType === "user") {
+      groupID = "u";
+    } else if (library.libraryType === "group") {
+      groupID = `${library.id}`;
+    } else {
+      return "";
+    }
+    let noteKey = note.key;
+    let link = `zotero://note/${groupID}/${noteKey}/`;
+    const addParam = (link: string, param: string): string => {
+      const lastChar = link[link.length - 1];
+      if (lastChar === "/") {
+        link += "?";
+      } else if (lastChar !== "?" && lastChar !== "&") {
+        link += "&";
+      }
+      return `${link}${param}`;
+    };
+    if (options.ignore || options.withLine) {
+      if (options.ignore) {
+        link = addParam(link, "ignore=1");
+      }
+      if (options.withLine) {
+        if (!this.currentLine[note.id]) {
+          this.currentLine[note.id] = 0;
+        }
+        link = addParam(link, `line=${this.currentLine[note.id]}`);
+      }
+    }
+    return link;
+  }
+
+  public getAnnotationLink(annotation: Zotero.Item) {
+    let position = JSON.parse(annotation.annotationPosition);
+    let openURI: string;
+
+    const attachment = annotation.parentItem;
+    let libraryID = attachment.libraryID;
+    let library = Zotero.Libraries.get(libraryID);
+    if (library.libraryType === "user") {
+      openURI = `zotero://open-pdf/library/items/${attachment.key}`;
+    } else if (library.libraryType === "group") {
+      openURI = `zotero://open-pdf/groups/${library.id}/items/${attachment.key}`;
+    } else {
+      openURI = "";
+    }
+
+    openURI +=
+      "?page=" +
+      (position.pageIndex + 1) +
+      (annotation.key ? "&annotation=" + annotation.key : "");
+
+    return openURI;
+  }
+
+  async modifyLineInNote(
+    note: Zotero.Item,
+    text: string | Function,
+    lineIndex: number,
+    forceMetadata: boolean = false
+  ) {
+    if (!note) {
+      return;
+    }
+    let noteLines = this.getLinesInNote(note);
+    if (lineIndex < 0 || lineIndex >= noteLines.length) {
+      return;
+    }
+    if (typeof text === "string") {
+      noteLines[lineIndex] = text;
+    } else if (typeof text === "function") {
+      noteLines[lineIndex] = text(noteLines[lineIndex]);
+    }
+    const editorInstance = this._Addon.WorkspaceWindow.getEditorInstance(note);
+    if (editorInstance && !forceMetadata) {
+      // The note is opened. Add line via note editor
+      console.log("Modify note line via note editor");
+      const _document = editorInstance._iframeWindow.document;
+      const currentElement: HTMLElement =
+        this._Addon.NoteParse.parseHTMLLineElement(
+          _document.querySelector(".primary-editor"),
+          lineIndex
+        );
+      const frag = _document.createDocumentFragment();
+      const temp = _document.createElement("div");
+      temp.innerHTML = noteLines[lineIndex];
+      while (temp.firstChild) {
+        frag.appendChild(temp.firstChild);
+      }
+      currentElement.replaceWith(frag);
+      this._Addon.EditorViews.scrollToPosition(
+        editorInstance,
+        currentElement.offsetTop
+      );
+    } else {
+      await this.setLinesToNote(note, noteLines);
+      await this.scrollWithRefresh(lineIndex);
+    }
+  }
+
+  async changeHeadingLineInNote(
+    note: Zotero.Item,
+    rankChange: number,
+    lineIndex: number
+  ) {
+    if (!note) {
+      return;
+    }
+    const noteLines = this.getLinesInNote(note);
+    if (lineIndex < 0 || lineIndex >= noteLines.length) {
+      return;
+    }
+    const headerStartReg = new RegExp("<h[1-6]>");
+    const headerStopReg = new RegExp("</h[1-6]>");
+    let headerStart = noteLines[lineIndex].search(headerStartReg);
+    if (headerStart === -1) {
+      return;
+    }
+    let lineRank = parseInt(noteLines[lineIndex][headerStart + 2]) + rankChange;
+    if (lineRank > 6) {
+      lineRank = 6;
+    } else if (lineRank < 1) {
+      lineRank = 1;
+    }
+    this.modifyLineInNote(
+      note,
+      noteLines[lineIndex]
+        .replace(headerStartReg, `<h${lineRank}>`)
+        .replace(headerStopReg, `</h${lineRank}>`),
+      lineIndex
+    );
+  }
+
+  moveHeaderLineInNote(
+    note: Zotero.Item,
+    currentNode: TreeModel.Node<object>,
+    targetNode: TreeModel.Node<object>,
+    as: "child" | "before" | "after"
+  ) {
+    if (!note || targetNode.getPath().indexOf(currentNode) >= 0) {
+      return undefined;
+    }
+
+    let targetIndex = 0;
+    let targetRank = 1;
+
+    let lines = this.getLinesInNote(note);
+
+    if (as === "child") {
+      targetIndex = targetNode.model.endIndex;
+      targetRank = targetNode.model.rank === 6 ? 6 : targetNode.model.rank + 1;
+    } else if (as === "before") {
+      targetIndex = targetNode.model.lineIndex;
+      targetRank =
+        targetNode.model.rank === 7
+          ? targetNode.parent.model.rank === 6
+            ? 6
+            : targetNode.parent.model.rank + 1
+          : targetNode.model.rank;
+    } else if (as === "after") {
+      targetIndex = targetNode.model.endIndex;
+      targetRank =
+        targetNode.model.rank === 7
+          ? targetNode.parent.model.rank === 6
+            ? 6
+            : targetNode.parent.model.rank + 1
+          : targetNode.model.rank;
+    }
+
+    let rankChange = targetRank - currentNode.model.rank;
+
+    Zotero.debug(`move to ${targetIndex}`);
+
+    let movedLines = lines.splice(
+      currentNode.model.lineIndex,
+      currentNode.model.endIndex - currentNode.model.lineIndex
+    );
+
+    let headerReg = /<\/?h[1-6]>/g;
+    for (const i in movedLines) {
+      movedLines[i] = movedLines[i].replace(headerReg, (e) => {
+        let rank = parseInt(e.slice(-2, -1));
+        rank += rankChange;
+        if (rank > 6) {
+          rank = 6;
+        }
+        if (rank < 1) {
+          rank = 1;
+        }
+        return `${e.slice(0, -2)}${rank}>`;
+      });
+    }
+    let newLines = lines
+      .slice(0, targetIndex)
+      .concat(movedLines, lines.slice(targetIndex));
+    this.setLinesToNote(note, newLines);
+  }
+
+  getNoteTree(note: Zotero.Item): TreeModel.Node<object> {
+    // See http://jnuno.com/tree-model-js
+    if (!note) {
+      return undefined;
+    }
+    return this._Addon.NoteParse.parseNoteTree(note);
+  }
+
+  getNoteTreeAsList(
+    note: Zotero.Item,
+    filterRoot: boolean = true,
+    filterLink: boolean = true
+  ): TreeModel.Node<object>[] {
+    if (!note) {
+      return;
+    }
+    return this.getNoteTree(note).all(
+      (node) =>
+        (!filterRoot || node.model.lineIndex >= 0) &&
+        (!filterLink || node.model.rank <= 6)
+    );
+  }
+
+  getNoteTreeNodeById(
+    note: Zotero.Item,
+    id: number,
+    root: TreeModel.Node<object> = undefined
+  ) {
+    root = root || this.getNoteTree(note);
+    return root.first(function (node) {
+      return node.model.id === id;
+    });
+  }
+
+  getNoteTreeNodesByRank(
+    note: Zotero.Item,
+    rank: number,
+    root: TreeModel.Node<object> = undefined
+  ) {
+    root = root || this.getNoteTree(note);
+    return root.all(function (node) {
+      return node.model.rank === rank;
+    });
+  }
+
+  getLineParentNode(
+    note: Zotero.Item,
+    lineIndex: number = -1
+  ): TreeModel.Node<object> {
+    if (lineIndex < 0) {
+      lineIndex = this.currentLine[note.id];
+      lineIndex =
+        lineIndex && lineIndex >= 0
+          ? lineIndex
+          : this.getLinesInNote(note).length;
+    }
+    let nodes = this.getNoteTreeAsList(note);
+    if (!nodes.length || nodes[0].model.lineIndex > lineIndex) {
+      // There is no parent node
+      return undefined;
+    } else if (nodes[nodes.length - 1].model.lineIndex <= lineIndex) {
+      return nodes[nodes.length - 1];
+    } else {
+      for (let i = 0; i < nodes.length - 1; i++) {
+        if (
+          nodes[i].model.lineIndex <= lineIndex &&
+          nodes[i + 1].model.lineIndex > lineIndex
+        ) {
+          return nodes[i];
+        }
+      }
+    }
+  }
+
+  async scrollWithRefresh(lineIndex: number) {
+    await Zotero.Promise.delay(500);
+    let editorInstance =
+      await this._Addon.WorkspaceWindow.getWorkspaceEditorInstance();
+    if (!editorInstance) {
+      return;
+    }
+    this._Addon.EditorViews.scrollToLine(editorInstance, lineIndex);
+  }
+
+  async convertNoteLines(
+    currentNote: Zotero.Item,
+    rootNoteIds: number[],
+    convertNoteLinks: boolean = true
+  ): Promise<{ lines: string[]; subNotes: Zotero.Item[] }> {
+    Zotero.debug(`convert note ${currentNote.id}`);
+
+    let subNotes: Zotero.Item[] = [];
+    const [..._rootNoteIds] = rootNoteIds;
+    _rootNoteIds.push(currentNote.id);
+
+    let newLines: string[] = [];
+    const noteLines = this.getLinesInNote(currentNote);
+    for (let i in noteLines) {
+      newLines.push(noteLines[i]);
+      // Convert Link
+      if (convertNoteLinks) {
+        let link = this._Addon.NoteParse.parseLinkInText(noteLines[i]);
+        while (link) {
+          const linkIndex = noteLines[i].indexOf(link);
+          const params = this._Addon.NoteParse.parseParamsFromLink(link);
+          if (
+            params.ignore ||
+            // Ignore links that are not in <a>
+            !noteLines[i].slice(linkIndex - 8, linkIndex).includes("href")
+          ) {
+            Zotero.debug("ignore link");
+            noteLines[i] = noteLines[i].substring(
+              noteLines[i].search(/zotero:\/\/note\//g)
+            );
+            noteLines[i] = noteLines[i].substring(
+              noteLines[i].search(/<\/a>/g) + "</a>".length
+            );
+            link = this._Addon.NoteParse.parseLinkInText(noteLines[i]);
+            continue;
+          }
+          Zotero.debug("convert link");
+          let res = await this.getNoteFromLink(link);
+          const subNote = res.item;
+          if (subNote && _rootNoteIds.indexOf(subNote.id) === -1) {
+            Zotero.debug(`Knowledge4Zotero: Exporting sub-note ${link}`);
+            const convertResult = await this.convertNoteLines(
+              subNote,
+              _rootNoteIds,
+              convertNoteLinks
+            );
+            const subNoteLines = convertResult.lines;
+
+            const templateText =
+              await this._Addon.TemplateController.renderTemplateAsync(
+                "[QuickImport]",
+                "subNoteLines, subNoteItem, noteItem",
+                [subNoteLines, subNote, currentNote]
+              );
+            newLines.push(templateText);
+            subNotes.push(subNote);
+            subNotes = subNotes.concat(convertResult.subNotes);
+          }
+          noteLines[i] = noteLines[i].substring(
+            noteLines[i].search(/zotero:\/\/note\//g)
+          );
+          noteLines[i] = noteLines[i].substring(
+            noteLines[i].search(/<\/a>/g) + "</a>".length
+          );
+          link = this._Addon.NoteParse.parseLinkInText(noteLines[i]);
+        }
+      }
+    }
+    Zotero.debug(subNotes);
+    return { lines: newLines, subNotes: subNotes };
+  }
+
+  async getNoteFromLink(uri: string) {
+    const params = this._Addon.NoteParse.parseParamsFromLink(uri);
+    if (!params.libraryID) {
+      return {
+        item: false,
+        infoText: "Library does not exist or access denied.",
+      };
+    }
+    Zotero.debug(params);
+    let item = await Zotero.Items.getByLibraryAndKeyAsync(
+      params.libraryID,
+      params.noteKey
+    );
+    if (!item || !item.isNote()) {
+      return {
+        item: false,
+        args: params,
+        infoText: "Note does not exist or is not a note.",
+      };
+    }
+    return {
+      item: item,
+      args: params,
+      infoText: "OK",
+    };
+  }
+
+  public async onSelectionChange(editor: Zotero.EditorInstance) {
+    // Update current line index
+    const _window = editor._iframeWindow;
+    const selection = _window.document.getSelection();
+    if (!selection || !selection.focusNode) {
+      return;
+    }
+    const realElement = selection.focusNode.parentElement;
+    let focusNode = selection.focusNode as XUL.Element;
+    if (!focusNode || !realElement) {
+      return;
+    }
+
+    function getChildIndex(node) {
+      return Array.prototype.indexOf.call(node.parentNode.childNodes, node);
+    }
+
+    // Make sure this is a direct child node of editor
+    try {
+      while (
+        focusNode.parentElement &&
+        (!focusNode.parentElement.className ||
+          focusNode.parentElement.className.indexOf("primary-editor") === -1)
+      ) {
+        focusNode = focusNode.parentNode as XUL.Element;
+      }
+    } catch (e) {
+      return;
+    }
+
+    if (!focusNode.parentElement) {
+      return;
+    }
+
+    let currentLineIndex = getChildIndex(focusNode);
+
+    // Parse list
+    const diveTagNames = ["OL", "UL", "LI"];
+
+    // Find list elements before current line
+    const listElements = Array.prototype.filter.call(
+      Array.prototype.slice.call(
+        focusNode.parentElement.childNodes,
+        0,
+        currentLineIndex
+      ),
+      (e) => diveTagNames.includes(e.tagName)
+    );
+
+    for (const e of listElements) {
+      currentLineIndex += this._Addon.NoteParse.parseListElements(e).length - 1;
+    }
+
+    // Find list index if current line is inside a list
+    if (diveTagNames.includes(focusNode.tagName)) {
+      const eleList = this._Addon.NoteParse.parseListElements(focusNode);
+      for (const i in eleList) {
+        if (realElement.parentElement === eleList[i]) {
+          currentLineIndex += Number(i);
+          break;
+        }
+      }
+    }
+    Zotero.debug(`Knowledge4Zotero: line ${currentLineIndex} selected.`);
+    console.log(currentLineIndex);
+    Zotero.debug(
+      `Current Element: ${focusNode.outerHTML}; Real Element: ${realElement.outerHTML}`
+    );
+    this.currentLine[editor._item.id] = currentLineIndex;
+    if (realElement.tagName === "A") {
+      let link = (realElement as HTMLLinkElement).href;
+      let linkedNote = (await this.getNoteFromLink(link)).item;
+      if (linkedNote) {
+        let t = 0;
+        let linkPopup = _window.document.querySelector(".link-popup");
+        while (
+          !(
+            linkPopup &&
+            (linkPopup.querySelector("a") as unknown as HTMLLinkElement)
+              .href === link
+          ) &&
+          t < 100
+        ) {
+          t += 1;
+          linkPopup = _window.document.querySelector(".link-popup");
+          await Zotero.Promise.delay(30);
+        }
+        await this._Addon.EditorViews.updateEditorPopupButtons(
+          editor._iframeWindow,
+          link
+        );
+      } else {
+        await this._Addon.EditorViews.updateEditorPopupButtons(
+          editor._iframeWindow,
+          undefined
+        );
+      }
+    }
+  }
+}
+
+export default NoteUtils;
diff --git a/src/events.ts b/src/events.ts
deleted file mode 100644
index 7fbbb02..0000000
--- a/src/events.ts
+++ /dev/null
@@ -1,2322 +0,0 @@
-const CryptoJS = require("crypto-js");
-import Knowledge4Zotero from "./addon";
-import { CopyHelper, EditorMessage } from "./base";
-import AddonBase from "./module";
-
-class AddonEvents extends AddonBase {
-  notifierCallback: any;
-  notifierCbkDict: any;
-  constructor(parent: Knowledge4Zotero) {
-    super(parent);
-    this.notifierCallback = {
-      notify: async (
-        event: string,
-        type: string,
-        ids: Array<number | string>,
-        extraData: object
-      ) => {
-        if (event === "modify" && type === "item") {
-          if (
-            ids.indexOf(
-              Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID") as number
-            ) >= 0
-          ) {
-            Zotero.debug("Knowledge4Zotero: main knowledge modify check.");
-            this._Addon.views.updateOutline();
-            this._Addon.views.updateWordCount();
-          }
-          // Check Note Sync
-          const syncIds = this._Addon.sync.getSyncNoteIds();
-          if (ids.filter((id) => syncIds.includes(id)).length > 0) {
-            this._Addon.sync.setSync();
-            Zotero.debug("Better Notes: sync planned.");
-          }
-        }
-        if (
-          (event == "select" &&
-            type == "tab" &&
-            extraData[ids[0]].type == "reader") ||
-          (event === "add" &&
-            type === "item" &&
-            (Zotero.Items.get(ids as number[]) as Zotero.Item[]).filter(
-              (item) => {
-                return item.isAnnotation();
-              }
-            ).length > 0) ||
-          (event === "close" && type === "tab") ||
-          (event === "open" && type === "file")
-        ) {
-          Zotero.debug("Knowledge4Zotero: buildReaderAnnotationButton");
-          this.onEditorEvent(
-            new EditorMessage("buildReaderAnnotationButton", {})
-          );
-        }
-        if (event == "add" && type == "tab") {
-          if (ids[0] === this._Addon.knowledge.workspaceTabId) {
-            const tabItem = document.querySelector(`.tab[data-id=${ids[0]}]`);
-            const tabTitle = tabItem && tabItem.querySelector(".tab-name");
-            tabTitle &&
-              (tabTitle.innerHTML = `${this._Addon.views.editorIcon.tabIcon}${tabTitle.innerHTML}`);
-          }
-        }
-        if (event == "select" && type == "tab") {
-          if (extraData[ids[0]].type == "betternotes") {
-            let t = 0;
-            await this._Addon.knowledge.waitWorkspaceReady();
-            while (
-              !(await this._Addon.knowledge.getWorkspaceEditorInstance(
-                "main",
-                false
-              )) &&
-              t < 100
-            ) {
-              t += 1;
-              this._Addon.knowledge.setWorkspaceNote("main", undefined, false);
-              await Zotero.Promise.delay(100);
-            }
-
-            const _tabCover = document.getElementById("zotero-tab-cover");
-            const _contextPane = document.getElementById(
-              "zotero-context-pane"
-            ) as XUL.Element;
-            const _contextPaneSplitter = document.getElementById(
-              "zotero-context-splitter"
-            ) as XUL.Element;
-            const _tabToolbar = document.getElementById("zotero-tab-toolbar");
-            _contextPaneSplitter.setAttribute("hidden", true);
-            _contextPane.setAttribute("collapsed", true);
-            _tabToolbar && (_tabToolbar.hidden = true);
-            _tabCover && (_tabCover.hidden = true);
-            this._Addon.views.switchRealMenuBar(false);
-            this._Addon.views.switchKey(false);
-            this._Addon.views.updateWordCount();
-          } else {
-            this._Addon.views.switchRealMenuBar(true);
-            this._Addon.views.switchKey(true);
-          }
-        }
-        if (
-          Zotero.Prefs.get("Knowledge4Zotero.autoAnnotation") &&
-          event === "add" &&
-          type === "item" &&
-          (Zotero.Items.get(ids as number[]) as Zotero.Item[]).filter(
-            (item) => {
-              return item.isAnnotation();
-            }
-          ).length > 0
-        ) {
-          Zotero.debug("Knowledge4Zotero: autoAnnotation");
-          const annotations = (
-            Zotero.Items.get(ids as number[]) as Zotero.Item[]
-          ).filter((item) => {
-            return item.isAnnotation();
-          });
-          this.onEditorEvent(
-            new EditorMessage("addAnnotationToNote", {
-              params: { annotations: annotations },
-            })
-          );
-        }
-        if (event === "add" && type === "item-tag") {
-          const nodes: TreeModel.Node<object>[] =
-            this._Addon.knowledge.getNoteTreeAsList();
-          const headings: string[] = nodes.map((node) => node.model.name);
-          console.log(ids, extraData, headings);
-
-          for (const tagId of ids.filter((t) => extraData[t].tag[0] === "#")) {
-            const tagName = (extraData[tagId].tag as string).slice(1).trim();
-            if (headings.includes(tagName) || tagName === "#") {
-              let lineIndex: number;
-              let sectionName: string;
-              if (tagName === "#") {
-                lineIndex = -1;
-                sectionName = "";
-              } else {
-                const targetNode = nodes.find(
-                  (node) => node.model.name === tagName
-                );
-                lineIndex = targetNode.model.endIndex;
-                sectionName = targetNode.model.name;
-              }
-
-              const item = Zotero.Items.get(
-                (tagId as string).split("-")[0]
-              ) as Zotero.Item;
-              if (item.isAnnotation()) {
-                this.onEditorEvent(
-                  new EditorMessage("addAnnotationToNote", {
-                    params: {
-                      annotations: [item],
-                      lineIndex: lineIndex,
-                      sectionName: sectionName,
-                    },
-                  })
-                );
-              } else if (item.isNote()) {
-                this.onEditorEvent(
-                  new EditorMessage("addToKnowledgeLine", {
-                    params: {
-                      itemID: item.id,
-                      lineIndex: lineIndex,
-                      sectionName: sectionName,
-                    },
-                  })
-                );
-              }
-            }
-          }
-        }
-        for (const cbk of Object.values(this.notifierCbkDict)) {
-          (cbk as Function)(event, type, ids, extraData);
-        }
-      },
-    };
-    this.notifierCbkDict = {};
-  }
-
-  public async onInit() {
-    Zotero.debug("Knowledge4Zotero: init called");
-    this.initProxyHandler();
-
-    this.addEditorInstanceListener();
-    // Register the callback in Zotero as an item observer
-    let notifierID = Zotero.Notifier.registerObserver(this.notifierCallback, [
-      "item",
-      "tab",
-      "file",
-      "item-tag",
-    ]);
-
-    // Unregister callback when the window closes (important to avoid a memory leak)
-    window.addEventListener(
-      "unload",
-      (e) => {
-        Zotero.Notifier.unregisterObserver(notifierID);
-      },
-      false
-    );
-
-    await Zotero.uiReadyPromise;
-    this._Addon.views.addOpenWorkspaceButton();
-    this._Addon.views.addNewKnowledgeButton();
-
-    if (!Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID")) {
-      this.onEditorEvent(new EditorMessage("openUserGuide", {}));
-    }
-    this.resetState();
-
-    this.initWorkspaceTab();
-    this._Addon.views.keppDefaultMenuOrder();
-    this._Addon.views.switchRealMenuBar(true);
-    this._Addon.views.switchKey(true);
-
-    this.initItemSelectListener();
-
-    // Set a init sync
-    this._Addon.sync.setSync();
-  }
-
-  private initProxyHandler() {
-    const openNoteExtension = {
-      noContent: true,
-      doAction: async (uri: any) => {
-        let message = {
-          type: "onNoteLink",
-          content: {
-            params: await this._Addon.knowledge.getNoteFromLink(uri.spec),
-          },
-        };
-        await this._Addon.events.onEditorEvent(message);
-      },
-      newChannel: function (uri: any) {
-        this.doAction(uri);
-      },
-    };
-    Services.io.getProtocolHandler("zotero").wrappedJSObject._extensions[
-      "zotero://note"
-    ] = openNoteExtension;
-  }
-
-  private async initWorkspaceTab() {
-    let state = Zotero.Session.state.windows.find((x) => x.type === "pane");
-    Zotero.debug("initWorkspaceTab");
-    Zotero.debug(state);
-    if (state) {
-      const noteTab = state.tabs.find((t) => t.type === "betternotes");
-      Zotero.debug(noteTab);
-      if (noteTab) {
-        let t = 0;
-        while (t < 5) {
-          t += 1;
-          try {
-            await this._Addon.knowledge.openWorkspaceWindow(
-              "tab",
-              false,
-              false
-            );
-            break;
-          } catch (e) {
-            this._Addon.views.showProgressWindow(
-              "Recovering Note Workspace Failed",
-              e
-            );
-          }
-          await Zotero.Promise.delay(1000);
-        }
-      }
-    }
-  }
-
-  private initItemSelectListener() {
-    ZoteroPane.itemsView.onSelect.addListener(() => {
-      const items = ZoteroPane.getSelectedItems();
-      const hasNote = items.filter((i) => i.isNote()).length > 0;
-      const singleItem = items.length === 1;
-      document
-        .querySelectorAll(".popup-type-single")
-        .forEach((el) => ((el as HTMLElement).hidden = !singleItem));
-      document
-        .querySelectorAll(".popup-type-multiple")
-        .forEach((el) => ((el as HTMLElement).hidden = singleItem));
-      document
-        .querySelectorAll(".popup-type-single-note")
-        .forEach(
-          (el) => ((el as HTMLElement).hidden = !(singleItem && hasNote))
-        );
-    });
-  }
-
-  public addEditorInstanceListener() {
-    if (!Zotero.Notes._knowledgeInit) {
-      Zotero.Notes._knowledgeInit = true;
-      Zotero.Notes._registerEditorInstance =
-        Zotero.Notes.registerEditorInstance;
-      Zotero.Notes.registerEditorInstance = (
-        instance: Zotero.EditorInstance
-      ) => {
-        Zotero.Notes._registerEditorInstance(instance);
-        this.onEditorEvent(
-          new EditorMessage("addNoteInstance", {
-            editorInstance: instance,
-          })
-        );
-      };
-    }
-  }
-
-  public async addEditorEventListener(
-    instance: Zotero.EditorInstance,
-    event: string,
-    message: EditorMessage
-  ) {
-    await instance._initPromise;
-    let editorElement: Element = this._Addon.views.getEditorElement(
-      instance._iframeWindow.document
-    );
-    editorElement.addEventListener(event, (e) => {
-      message.content.event = e as XUL.XULEvent;
-      message.content.editorInstance = instance;
-      this.onEditorEvent(message);
-    });
-  }
-
-  public async addEditorDocumentEventListener(
-    instance: Zotero.EditorInstance,
-    event: string,
-    message: EditorMessage
-  ) {
-    await instance._initPromise;
-    let doc: Document = instance._iframeWindow.document;
-
-    doc.addEventListener(event, (e) => {
-      message.content.event = e as XUL.XULEvent;
-      message.content.editorInstance = instance;
-      this.onEditorEvent(message);
-    });
-  }
-
-  addNotifyListener(name: string, cbk: Function) {
-    this.notifierCbkDict[name] = cbk;
-  }
-
-  removeNotifyListener(name: string) {
-    delete this.notifierCbkDict[name];
-  }
-
-  public async onEditorEvent(message: EditorMessage) {
-    Zotero.debug(`Knowledge4Zotero: onEditorEvent\n${message.type}`);
-    if (message.type === "openUserGuide") {
-      /*
-        message.content = {}
-      */
-      window.open(
-        "chrome://Knowledge4Zotero/content/wizard.xul",
-        "_blank",
-        // margin=44+44/32+10+10+53, final space is 700*500
-        "chrome,extrachrome,centerscreen,width=650,height=608"
-      );
-    } else if (message.type === "openAbout") {
-      /*
-        message.content = {}
-      */
-      // @ts-ignore
-      window.openDialog(
-        "chrome://Knowledge4Zotero/content/about.xul",
-        "about",
-        "chrome,centerscreen"
-      );
-    } else if (message.type === "openWorkspace") {
-      /*
-        message.content = {event?}
-      */
-      if (
-        message.content.event &&
-        (message.content.event as unknown as MouseEvent).shiftKey
-      ) {
-        await this._Addon.knowledge.openWorkspaceWindow("window", true);
-      } else {
-        await this._Addon.knowledge.openWorkspaceWindow();
-      }
-    } else if (message.type === "openWorkspaceInWindow") {
-      /*
-        message.content = {}
-      */
-      await this._Addon.knowledge.openWorkspaceWindow("window", true);
-    } else if (message.type === "closeWorkspace") {
-      /*
-        message.content = {}
-      */
-      this._Addon.knowledge.closeWorkspaceWindow();
-    } else if (message.type === "createWorkspace") {
-      /*
-        message.content = {}
-      */
-      const currentCollection = ZoteroPane_Local.getSelectedCollection();
-      if (!currentCollection) {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          "Please select a collection before creating a new main note."
-        );
-        return;
-      }
-      const res = confirm(
-        `Will create a new note under collection '${currentCollection.getName()}' and set it the main note. Continue?`
-      );
-      if (!res) {
-        return;
-      }
-      const header = prompt(
-        "Enter new note header:",
-        `New Note ${new Date().toLocaleString()}`
-      );
-      const noteID = await ZoteroPane_Local.newNote();
-      (Zotero.Items.get(noteID) as Zotero.Item).setNote(
-        `<div data-schema-version="8"><h1>${header}</h1>\n</div>`
-      );
-      await this.onEditorEvent(
-        new EditorMessage("setMainKnowledge", {
-          params: { itemID: noteID, enableConfirm: false, enableOpen: true },
-        })
-      );
-      await this._Addon.knowledge.openWorkspaceWindow();
-    } else if (message.type === "selectMainKnowledge") {
-      /*
-        message.content = {}
-      */
-      const io = {
-        // Not working
-        singleSelection: true,
-        dataIn: null,
-        dataOut: null,
-        deferred: Zotero.Promise.defer(),
-      };
-
-      (window as unknown as XUL.XULWindow).openDialog(
-        "chrome://zotero/content/selectItemsDialog.xul",
-        "",
-        "chrome,dialog=no,centerscreen,resizable=yes",
-        io
-      );
-      await io.deferred.promise;
-
-      const ids = io.dataOut as unknown as number[];
-      if (ids.length === 0) {
-        this._Addon.views.showProgressWindow("Knowledge", "No note selected.");
-        return;
-      } else if (ids.length > 1) {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          "Please select a note item."
-        );
-        return;
-      }
-
-      const note = Zotero.Items.get(ids[0]) as Zotero.Item;
-      if (note && note.isNote()) {
-        this.onEditorEvent(
-          new EditorMessage("setMainKnowledge", {
-            params: { itemID: note.id, enableConfirm: false, enableOpen: true },
-          })
-        );
-      } else {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          "Not a valid note item."
-        );
-      }
-    } else if (message.type === "setMainKnowledge") {
-      /*
-        message.content = {
-          params: {itemID, enableConfirm, enableOpen}
-        }
-      */
-      Zotero.debug("Knowledge4Zotero: setMainKnowledge");
-      let mainKnowledgeID = parseInt(
-        Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID") as string
-      );
-      let itemID = message.content.params.itemID;
-      const item = Zotero.Items.get(itemID) as Zotero.Item;
-      if (itemID === mainKnowledgeID) {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          "Already a main Note."
-        );
-        return;
-      } else if (!item.isNote()) {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          "Not a valid note item."
-        );
-      } else {
-        if (
-          message.content.params.enableConfirm &&
-          Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID")
-        ) {
-          let confirmChange = confirm(
-            "Will change current Knowledge Workspace. Confirm?"
-          );
-          if (!confirmChange) {
-            return;
-          }
-        }
-        if (message.content.params.enableOpen) {
-          await this._Addon.knowledge.openWorkspaceWindow();
-        }
-        await this._Addon.knowledge.setWorkspaceNote("main", item);
-      }
-    } else if (message.type === "addNoteInstance") {
-      /*
-        message.content = {
-          editorInstance, params: {noStyle: boolean}
-        }
-      */
-      const editor = message.content.editorInstance as Zotero.EditorInstance;
-      await editor._initPromise;
-
-      editor._knowledgeUIInitialized = false;
-
-      const currentID = editor._item.id;
-      const noteItem = editor._item;
-      // item.getNote may not be initialized yet
-      if (Zotero.ItemTypes.getID("note") !== noteItem.itemTypeID) {
-        return;
-      }
-
-      // Check if this is a window for print
-      const isPrint = this._Addon.knowledge._pdfNoteId === currentID;
-
-      const mainNoteID = parseInt(
-        Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID") as string
-      );
-      const isMainNote = currentID === mainNoteID;
-      const isPreviewNote = currentID === this._Addon.knowledge.previewItemID;
-
-      Zotero.debug(`Knowledge4Zotero: main Knowledge`);
-      const setMainNoteDropDown: Element =
-        await this._Addon.views.addEditorButton(
-          editor,
-          "knowledge-start",
-          isMainNote
-            ? "isMainKnowledge"
-            : isPreviewNote
-            ? "openAttachment"
-            : "notMainKnowledge",
-          isMainNote
-            ? "Edit the Main Note in Workspace"
-            : isPreviewNote
-            ? "Open Note Attachments"
-            : "Open Workspace",
-          isPreviewNote ? "openAttachment" : "openWorkspace",
-          "start"
-        );
-
-      if (setMainNoteDropDown && !isPreviewNote) {
-        setMainNoteDropDown.classList.add("more-dropdown");
-        setMainNoteDropDown.addEventListener("mouseover", async (e) => {
-          if (setMainNoteDropDown.getElementsByClassName("popup").length > 0) {
-            return;
-          }
-          const recentIds = (
-            Zotero.Prefs.get("Knowledge4Zotero.recentMainNoteIds") as string
-          ).split(",");
-          // Add current note
-          recentIds.splice(0, 0, String(currentID));
-          // Remove main note and duplicate notes
-          const recentMainNotes = Zotero.Items.get(
-            new Array(
-              ...new Set(
-                recentIds.filter(
-                  (id) =>
-                    Number(id) !==
-                    parseInt(
-                      Zotero.Prefs.get(
-                        "Knowledge4Zotero.mainKnowledgeID"
-                      ) as string
-                    )
-                )
-              )
-            )
-          ) as Zotero.Item[];
-          const buttons = recentMainNotes.map((item) => {
-            return {
-              id: `knowledge-setmainnote-popup-${item.id}`,
-              rank: 0,
-              text: item.getNoteTitle(),
-              eventType: "setRecentMainNote",
-            };
-          });
-          const popup: Element = await this._Addon.views.addEditorPopup(
-            editor,
-            "knowledge-setmainnote-popup",
-            buttons,
-            setMainNoteDropDown,
-            "left"
-          );
-          const titleNode = _window.document.createElement("div");
-          titleNode.innerHTML = "Set Recent Main Notes";
-          titleNode.title = "Click item to set it main note";
-          titleNode.style.textAlign = "center";
-          popup.childNodes[0].before(
-            titleNode,
-            _window.document.createElement("hr")
-          );
-          setMainNoteDropDown.addEventListener("mouseleave", (e) => {
-            popup.remove();
-          });
-          setMainNoteDropDown.addEventListener("click", (e) => {
-            popup.remove();
-          });
-        });
-      }
-      const addLinkDropDown: Element = await this._Addon.views.addEditorButton(
-        editor,
-        "knowledge-addlink",
-        "addToKnowledge",
-        "Add Link of Current Note to Main Note",
-        "addToKnowledge",
-        "middle"
-      );
-      if (addLinkDropDown) {
-        addLinkDropDown.classList.add("more-dropdown");
-        // If the editor initialization fails, the addLinkDropDown does not exist
-        if (isMainNote) {
-          // This is a main knowledge, hide all buttons except the export button and add title
-          addLinkDropDown.innerHTML = "";
-          const header = editor._iframeWindow.document.createElement("div");
-          header.setAttribute("title", "This is a Main Note");
-          header.innerHTML = "Main Note";
-          header.setAttribute("style", "font-size: medium");
-          addLinkDropDown.append(header);
-        } else {
-          const normalHintText =
-            "Insert at the end of section.\nHold shift to insert before section.";
-          const shiftHintText =
-            "Insert before section.\nRelease shift to insert at the end of section.";
-          addLinkDropDown.addEventListener(
-            "mouseover",
-            async (e: KeyboardEvent) => {
-              if (addLinkDropDown.getElementsByClassName("popup").length > 0) {
-                return;
-              }
-              let isShift = e.shiftKey;
-              const hintWindow = this._Addon.views.showProgressWindow(
-                "Bi-directional Link",
-                isShift ? shiftHintText : normalHintText,
-                "default",
-                // Disable auto close
-                -1
-              );
-
-              const getButtonParams = () => {
-                const buttonParam: any[] = [];
-                for (let node of nodes) {
-                  buttonParam.push({
-                    id: `knowledge-addlink-popup-${
-                      isShift ? node.model.lineIndex - 1 : node.model.endIndex
-                    }`,
-                    text: node.model.name,
-                    rank: node.model.rank,
-                    eventType: "addToKnowledgeLine",
-                  });
-                }
-                return buttonParam;
-              };
-
-              const nodes = this._Addon.knowledge.getNoteTreeAsList(undefined);
-              const buttonParam = getButtonParams();
-              const popup: HTMLElement = await this._Addon.views.addEditorPopup(
-                editor,
-                "knowledge-addlink-popup",
-                // [{ id: ''; icon: string; eventType: string }],
-                buttonParam,
-                addLinkDropDown
-              );
-              popup.style.backgroundColor = isShift ? "#f0f9fe" : "";
-              const leaveAction = (e?) => {
-                ob?.disconnect();
-                popup?.remove();
-                hintWindow?.close();
-                addLinkDropDown?.removeEventListener("mouseleave", leaveAction);
-                addLinkDropDown?.removeEventListener("click", leaveAction);
-                editor._iframeWindow.document?.removeEventListener(
-                  "keydown",
-                  keyAction
-                );
-                editor._iframeWindow.document?.removeEventListener(
-                  "keyup",
-                  keyAction
-                );
-              };
-              addLinkDropDown.addEventListener("mouseleave", leaveAction);
-              addLinkDropDown.addEventListener("click", leaveAction);
-              // Observe the popup remove triggered by button click
-              const ob = new MutationObserver((e) => {
-                console.log(e);
-                if (e[0].removedNodes) {
-                  leaveAction();
-                }
-              });
-              ob.observe(addLinkDropDown, { childList: true });
-              const keyAction = (e: KeyboardEvent) => {
-                if (isShift === e.shiftKey) {
-                  return;
-                }
-                isShift = e.shiftKey;
-                console.log(hintWindow);
-                popup.style.backgroundColor = isShift ? "#f0f9fe" : "";
-                this._Addon.views.changeProgressWindowDescription(
-                  hintWindow,
-                  isShift ? shiftHintText : normalHintText
-                );
-                const buttonParam = getButtonParams();
-                for (const i in popup.children) {
-                  popup.children[i].id = buttonParam[i].id;
-                }
-              };
-              editor._iframeWindow.document.addEventListener(
-                "keydown",
-                keyAction
-              );
-              editor._iframeWindow.document.addEventListener(
-                "keyup",
-                keyAction
-              );
-            }
-          );
-        }
-      }
-
-      const addCitationButton = await this._Addon.views.addEditorButton(
-        editor,
-        "knowledge-addcitation",
-        "addCitation",
-        "Insert Citations",
-        "addCitation",
-        "middle",
-        "builtin"
-      );
-
-      let topItem = noteItem.parentItem;
-      while (topItem && !topItem.isRegularItem()) {
-        topItem = topItem.parentItem;
-      }
-      if (addCitationButton) {
-        addCitationButton.classList.add("more-dropdown");
-        if (topItem) {
-          addCitationButton.addEventListener("mouseover", async (e) => {
-            if (addCitationButton.getElementsByClassName("popup").length > 0) {
-              return;
-            }
-            const popup: Element = await this._Addon.views.addEditorPopup(
-              editor,
-              "knowledge-addcitation-popup",
-              [
-                {
-                  id: `knowledge-addcitation-popup-${topItem.id}`,
-                  rank: 0,
-                  text: topItem.getField("title"),
-                  eventType: "insertCitation",
-                },
-              ],
-              addCitationButton
-            );
-            addCitationButton.addEventListener("mouseleave", (e) => {
-              popup.remove();
-            });
-            addCitationButton.addEventListener("click", (e) => {
-              popup.remove();
-            });
-          });
-        }
-
-        addCitationButton.addEventListener("click", async (e) => {
-          this.onEditorEvent(
-            new EditorMessage("insertCitation", {
-              params: {
-                noteItem: noteItem,
-              },
-            })
-          );
-        });
-      }
-
-      await this._Addon.views.addEditorButton(
-        editor,
-        "knowledge-end",
-        isPreviewNote ? "close" : "export",
-        isPreviewNote ? "Close Preview" : "Export with linked notes",
-        isPreviewNote ? "closePreview" : "export",
-        "end"
-      );
-      if (!editor._knowledgeSelectionInitialized) {
-        this.addEditorDocumentEventListener(
-          editor,
-          "selectionchange",
-          new EditorMessage("noteEditorSelectionChange", {})
-        );
-        editor._knowledgeSelectionInitialized = true;
-      }
-
-      const _window = editor._iframeWindow;
-      // Title style only for normal window
-      if (!isPrint) {
-        const style = _window.document.createElement("style");
-        style.innerHTML = `
-          .primary-editor h1::before {
-            margin-left: -64px !important;
-            padding-left: 40px !important;
-            content: url("data:image/svg+xml;charset=UTF-8,%3Csvg%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%20width%3D%2218px%22%20height%3D%2218px%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2015.56%22%3E%3Cdefs%3E%3Cstyle%3E.cls-1%7Bfill%3A%23666%3B%7D%3C%2Fstyle%3E%3C%2Fdefs%3E%3Ctitle%3E%E6%9C%AA%E6%A0%87%E9%A2%98-1%3C%2Ftitle%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M12.29%2C16.8H11.14V12.33H6.07V16.8H4.92V7H6.07v4.3h5.07V7h1.15Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M18.05%2C16.8H16.93V8.41a4%2C4%2C0%2C0%2C1-.9.53%2C6.52%2C6.52%2C0%2C0%2C1-1.14.44l-.32-1a8.2%2C8.2%2C0%2C0%2C0%2C1.67-.67%2C6.31%2C6.31%2C0%2C0%2C0%2C1.39-1h.42Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3Cpath%20class%3D%22cls-1%22%20d%3D%22M21%2C5a2.25%2C2.25%2C0%2C0%2C1%2C2.25%2C2.25v9.56A2.25%2C2.25%2C0%2C0%2C1%2C21%2C19H3A2.25%2C2.25%2C0%2C0%2C1%2C.75%2C16.78V7.22A2.25%2C2.25%2C0%2C0%2C1%2C3%2C5H21m0-.75H3a3%2C3%2C0%2C0%2C0-3%2C3v9.56a3%2C3%2C0%2C0%2C0%2C3%2C3H21a3%2C3%2C0%2C0%2C0%2C3-3V7.22a3%2C3%2C0%2C0%2C0-3-3Z%22%20transform%3D%22translate(0%20-4.22)%22%2F%3E%3C%2Fsvg%3E") !important;
-          }
-          .primary-editor h2::before {
-            margin-left: -64px !important;
-            padding-left: 40px !important;
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-                  .addText(link, "text/unicode")
-                  .addText(linkTemplate, "text/html")
-                  .copy();
-                this._Addon.views.showProgressWindow(
-                  "Better Notes",
-                  `Note Link of Line ${
-                    this._Addon.knowledge.currentLine[noteItem.id] + 1
-                  } Copied`
-                );
-              });
-              dropdownPopup.append(
-                previewButton,
-                refreshButton,
-                copyLinkButton,
-                copyLinkAtLineButton
-              );
-            }
-          }
-        });
-        dropdownOb.observe(moreDropdown, { childList: true });
-      }
-
-      editor._knowledgeUIInitialized = true;
-    } else if (message.type === "insertCitation") {
-      /*
-        message.content = {
-          editorInstance?, event?, params?: {
-              noteItem: noteItem,
-              topItem: topItem,
-            },
-        }
-      */
-      let noteItem = message.content.editorInstance
-        ? message.content.editorInstance._item
-        : message.content.params.noteItem;
-      let topItems: Zotero.Item[] = [];
-      console.log(message);
-      if (message.content.event) {
-        const topItemID = Number(
-          message.content.event.target.id.split("-").pop()
-        );
-        topItems = Zotero.Items.get([topItemID]) as Zotero.Item[];
-      }
-      if (!topItems.length) {
-        const io = {
-          // Not working
-          singleSelection: false,
-          dataIn: null,
-          dataOut: null,
-          deferred: Zotero.Promise.defer(),
-        };
-
-        (window as unknown as XUL.XULWindow).openDialog(
-          "chrome://zotero/content/selectItemsDialog.xul",
-          "",
-          "chrome,dialog=no,centerscreen,resizable=yes",
-          io
-        );
-        await io.deferred.promise;
-
-        const ids = io.dataOut as unknown as number[];
-        topItems = (Zotero.Items.get(ids) as Zotero.Item[]).filter(
-          (item: Zotero.Item) => item.isRegularItem()
-        );
-        if (topItems.length === 0) {
-          return;
-        }
-      }
-      let format = this._Addon.template.getCitationStyle();
-      const cite = Zotero.QuickCopy.getContentFromItems(
-        topItems,
-        format,
-        null,
-        0
-      );
-      this._Addon.knowledge.addLineToNote(noteItem, cite.html, -1);
-      this._Addon.views.showProgressWindow(
-        "Better Notes",
-        `${
-          topItems.length > 3
-            ? topItems.length + "items"
-            : topItems.map((i) => i.getField("title")).join("\n")
-        } cited.`
-      );
-    } else if (message.type === "setRecentMainNote") {
-      /*
-        message.content = {
-          editorInstance?, event?
-        }
-      */
-      await this._Addon.knowledge.setWorkspaceNote(
-        "main",
-        Zotero.Items.get(
-          message.content.event.target.id.split("-").pop()
-        ) as Zotero.Item
-      );
-    } else if (message.type === "addToKnowledge") {
-      /*
-        message.content = {
-          editorInstance
-        }
-      */
-      Zotero.debug("Knowledge4Zotero: addToKnowledge");
-      this._Addon.knowledge.addLinkToNote(
-        undefined,
-        (message.content.editorInstance as Zotero.EditorInstance)._item,
-        // -1 for automatically insert to current selected line or end of note
-        -1,
-        ""
-      );
-    } else if (message.type === "addToKnowledgeLine") {
-      /*
-        message.content = {
-          editorInstance?,
-          event?,
-          params: {
-            itemID: number,
-            lineIndex: number,
-            sectionName: string
-          }
-        }
-      */
-      Zotero.debug("Knowledge4Zotero: addToKnowledgeLine");
-      let lineIndex = message.content.params?.lineIndex;
-      if (typeof lineIndex === "undefined") {
-        const eventInfo = (message.content.event as XUL.XULEvent).target.id;
-        Zotero.debug(eventInfo);
-        const idSplit = eventInfo.split("-");
-        lineIndex = parseInt(idSplit.pop());
-      }
-      let sectionName = message.content.params?.sectionName;
-      if (typeof sectionName === "undefined") {
-        sectionName = (message.content.event as XUL.XULEvent).target.innerText;
-      }
-
-      this._Addon.knowledge.addLinkToNote(
-        undefined,
-        message.content.params?.itemID
-          ? Zotero.Items.get(message.content.params.itemID)
-          : (message.content.editorInstance as Zotero.EditorInstance)._item,
-        lineIndex,
-        sectionName
-      );
-    } else if (message.type === "addAnnotationToNote") {
-      /*
-        message.content = {
-          params: {
-            annotations: Zotero.Item[],
-            lineIndex?: number
-          }
-        }
-      */
-      const useLineIndex = message.content.params?.lineIndex >= 0;
-      let currentLine = useLineIndex ? message.content.params?.lineIndex : -1;
-      const annotations = message.content.params.annotations;
-
-      const html = await this._Addon.knowledge.addAnnotationsToNote(
-        undefined,
-        annotations,
-        currentLine
-      );
-      if (!useLineIndex) {
-        currentLine =
-          this._Addon.knowledge.currentLine[
-            this._Addon.knowledge.getWorkspaceNote().id
-          ];
-        currentLine = currentLine >= 0 ? currentLine : -1;
-
-        if (currentLine >= 0) {
-          // Compute annotation lines length
-          const temp = document.createElementNS(
-            "http://www.w3.org/1999/xhtml",
-            "div"
-          );
-          temp.innerHTML = html;
-          const elementList = this._Addon.parse.parseHTMLElements(temp);
-          // Move cursor foward
-          this._Addon.knowledge.currentLine[
-            this._Addon.knowledge.getWorkspaceNote().id
-          ] += elementList.length;
-        }
-      }
-      this._Addon.views.showProgressWindow(
-        "Better Notes",
-        `Insert Annotation to ${
-          currentLine >= 0 ? `line ${currentLine} in` : "end of"
-        } main note`
-      );
-    } else if (message.type === "jumpNode") {
-      /*
-        message.content = {
-          params: {id, lineIndex}
-        }
-      */
-      Zotero.debug(message.content.params);
-      let editorInstance =
-        await this._Addon.knowledge.getWorkspaceEditorInstance();
-      // Set node id
-      this._Addon.knowledge.currentNodeID = parseInt(message.content.params.id);
-      this._Addon.views.updateEditCommand();
-      this._Addon.views.scrollToLine(
-        editorInstance,
-        // Scroll to line
-        message.content.params.lineIndex
-      );
-    } else if (message.type === "moveNode") {
-      /*
-        message.content = {
-          params: {
-            fromID, toID, moveType: "before" | "child"
-          }
-        }
-      */
-      let tree = this._Addon.knowledge.getNoteTree();
-      let fromNode = this._Addon.knowledge.getNoteTreeNodeById(
-        undefined,
-        message.content.params.fromID,
-        tree
-      );
-      let toNode = this._Addon.knowledge.getNoteTreeNodeById(
-        undefined,
-        message.content.params.toID,
-        tree
-      );
-      Zotero.debug(fromNode.model);
-      Zotero.debug(toNode.model);
-      Zotero.debug(message.content.params.moveType);
-      this._Addon.knowledge.moveHeaderLineInNote(
-        undefined,
-        fromNode,
-        toNode,
-        message.content.params.moveType
-      );
-    } else if (message.type === "closePreview") {
-      /*
-        message.content = {
-          editorInstance
-        }
-      */
-      const _window = this._Addon.knowledge.getWorkspaceWindow() as Window;
-      const splitter = _window.document.getElementById("preview-splitter");
-      splitter && splitter.setAttribute("state", "collapsed");
-    } else if (message.type === "onNoteLink") {
-      /*
-        message.content = {
-          params: {
-            item: Zotero.Item | boolean,
-            infoText: string
-            args: {}
-          }
-        }
-      */
-      if (!message.content.params.item) {
-        Zotero.debug(`Knowledge4Zotero: ${message.content.params.infoText}`);
-      }
-      Zotero.debug(
-        `Knowledge4Zotero: onNoteLink ${message.content.params.item.id}`
-      );
-      // Copy and save
-      const oldEditors = Zotero.Notes._editorInstances.map(
-        (e): string => e.instanceID
-      );
-      let _window = this._Addon.knowledge.getWorkspaceWindow();
-      if (_window) {
-        if (
-          message.content.params.item.id !==
-          Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID")
-        ) {
-          this._Addon.knowledge.setWorkspaceNote(
-            "preview",
-            message.content.params.item
-          );
-        }
-        this._Addon.knowledge.openWorkspaceWindow();
-      } else {
-        ZoteroPane.openNoteWindow(message.content.params.item.id);
-      }
-      if (message.content.params.args.line) {
-        let t = 0;
-        let newEditors = Zotero.Notes._editorInstances.filter(
-          (e) => !oldEditors.includes(e.instanceID) && e._knowledgeUIInitialized
-        );
-        while (newEditors.length === 0 && t < 500) {
-          t += 1;
-          await Zotero.Promise.delay(10);
-          newEditors = Zotero.Notes._editorInstances.filter(
-            (e) => !oldEditors.includes(e.instanceID)
-          );
-        }
-        newEditors.forEach((e) => {
-          this._Addon.views.scrollToLine(
-            e,
-            // Scroll to line
-            message.content.params.args.line
-          );
-        });
-      }
-    } else if (message.type === "noteEditorSelectionChange") {
-      const editor = message.content.editorInstance as Zotero.EditorInstance;
-
-      // Update current line index
-      const _window = editor._iframeWindow;
-      const selection = _window.document.getSelection();
-      if (!selection || !selection.focusNode) {
-        return;
-      }
-      const realElement = selection.focusNode.parentElement;
-      let focusNode = selection.focusNode as XUL.Element;
-      if (!focusNode || !realElement) {
-        return;
-      }
-
-      function getChildIndex(node) {
-        return Array.prototype.indexOf.call(node.parentNode.childNodes, node);
-      }
-
-      // Make sure this is a direct child node of editor
-      try {
-        while (
-          focusNode.parentElement &&
-          (!focusNode.parentElement.className ||
-            focusNode.parentElement.className.indexOf("primary-editor") === -1)
-        ) {
-          focusNode = focusNode.parentNode as XUL.Element;
-        }
-      } catch (e) {
-        return;
-      }
-
-      if (!focusNode.parentElement) {
-        return;
-      }
-
-      let currentLineIndex = getChildIndex(focusNode);
-
-      // Parse list
-      const diveTagNames = ["OL", "UL", "LI"];
-
-      // Find list elements before current line
-      const listElements = Array.prototype.filter.call(
-        Array.prototype.slice.call(
-          focusNode.parentElement.childNodes,
-          0,
-          currentLineIndex
-        ),
-        (e) => diveTagNames.includes(e.tagName)
-      );
-
-      for (const e of listElements) {
-        currentLineIndex += this._Addon.parse.parseListElements(e).length - 1;
-      }
-
-      // Find list index if current line is inside a list
-      if (diveTagNames.includes(focusNode.tagName)) {
-        const eleList = this._Addon.parse.parseListElements(focusNode);
-        for (const i in eleList) {
-          if (realElement.parentElement === eleList[i]) {
-            currentLineIndex += Number(i);
-            break;
-          }
-        }
-      }
-      Zotero.debug(`Knowledge4Zotero: line ${currentLineIndex} selected.`);
-      console.log(currentLineIndex);
-      Zotero.debug(
-        `Current Element: ${focusNode.outerHTML}; Real Element: ${realElement.outerHTML}`
-      );
-      this._Addon.knowledge.currentLine[editor._item.id] = currentLineIndex;
-      if (realElement.tagName === "A") {
-        let link = (realElement as HTMLLinkElement).href;
-        let linkedNote = (await this._Addon.knowledge.getNoteFromLink(link))
-          .item;
-        if (linkedNote) {
-          let t = 0;
-          let linkPopup = _window.document.querySelector(".link-popup");
-          while (
-            !(
-              linkPopup &&
-              (linkPopup.querySelector("a") as unknown as HTMLLinkElement)
-                .href === link
-            ) &&
-            t < 100
-          ) {
-            t += 1;
-            linkPopup = _window.document.querySelector(".link-popup");
-            await Zotero.Promise.delay(30);
-          }
-          await this._Addon.views.updateEditorPopupButtons(
-            editor._iframeWindow,
-            link
-          );
-        } else {
-          await this._Addon.views.updateEditorPopupButtons(
-            editor._iframeWindow,
-            undefined
-          );
-        }
-      }
-    } else if (message.type === "addHeading") {
-      /*
-        message.content = {
-          editorInstance
-        }
-      */
-      const text = prompt(`Enter new heading to Insert:`);
-      this._Addon.knowledge.openWorkspaceWindow();
-      if (text && text.trim()) {
-        if (this._Addon.knowledge.currentNodeID < 0) {
-          // Add a new H1
-          this._Addon.knowledge.addLineToNote(
-            undefined,
-            `<h1>${text}</h1>`,
-            -1
-          );
-          return;
-        }
-        let node = this._Addon.knowledge.getNoteTreeNodeById(
-          undefined,
-          this._Addon.knowledge.currentNodeID
-        );
-        this._Addon.knowledge.addLineToNote(
-          undefined,
-          `<h${node.model.rank}>${text}</h${node.model.rank}>`,
-          node.model.endIndex
-        );
-      }
-    } else if (message.type === "indentHeading") {
-      /*
-        message.content = {
-          editorInstance
-        }
-      */
-      if (this._Addon.knowledge.currentNodeID < 0) {
-        return;
-      }
-      let node = this._Addon.knowledge.getNoteTreeNodeById(
-        undefined,
-        this._Addon.knowledge.currentNodeID
-      );
-      if (node.model.rank === 7) {
-        return;
-      }
-      if (node.model.rank === 6) {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          "Cannot decrease a level 6 Heading."
-        );
-        return;
-      }
-      this._Addon.knowledge.changeHeadingLineInNote(
-        undefined,
-        1,
-        node.model.lineIndex
-      );
-    } else if (message.type === "unindentHeading") {
-      /*
-        message.content = {
-          editorInstance
-        }
-      */
-      if (this._Addon.knowledge.currentNodeID < 0) {
-        return;
-      }
-      let node = this._Addon.knowledge.getNoteTreeNodeById(
-        undefined,
-        this._Addon.knowledge.currentNodeID
-      );
-      if (node.model.rank === 7) {
-        return;
-      }
-      if (node.model.rank === 1) {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          "Cannot raise a level 1 Heading."
-        );
-        return;
-      }
-      this._Addon.knowledge.changeHeadingLineInNote(
-        undefined,
-        -1,
-        node.model.lineIndex
-      );
-    } else if (message.type === "updateAutoAnnotation") {
-      /*
-        message.content = {
-          editorInstance
-        }
-      */
-      let autoAnnotation = Zotero.Prefs.get("Knowledge4Zotero.autoAnnotation");
-      autoAnnotation = !autoAnnotation;
-      Zotero.Prefs.set("Knowledge4Zotero.autoAnnotation", autoAnnotation);
-      this._Addon.views.updateAutoInsertAnnotationsMenu();
-    } else if (message.type === "insertNotes") {
-      /*
-        message.content = {}
-      */
-      const io = {
-        // Not working
-        singleSelection: true,
-        dataIn: null,
-        dataOut: null,
-        deferred: Zotero.Promise.defer(),
-      };
-
-      (window as unknown as XUL.XULWindow).openDialog(
-        "chrome://zotero/content/selectItemsDialog.xul",
-        "",
-        "chrome,dialog=no,centerscreen,resizable=yes",
-        io
-      );
-      await io.deferred.promise;
-
-      const ids = io.dataOut as unknown as number[];
-      const notes = (Zotero.Items.get(ids) as Zotero.Item[]).filter(
-        (item: Zotero.Item) => item.isNote()
-      );
-      if (notes.length === 0) {
-        return;
-      }
-
-      const newLines: string[] = [];
-      newLines.push("<h1>Imported Notes</h1>");
-      newLines.push("<p> </p>");
-
-      for (const note of notes) {
-        const linkURL = this._Addon.knowledge.getNoteLink(note);
-        const linkText = note.getNoteTitle().trim();
-        newLines.push(
-          `<p><a href="${linkURL}">${linkText ? linkText : linkURL}</a></p>`
-        );
-        newLines.push("<p> </p>");
-      }
-      await this._Addon.knowledge.addLineToNote(
-        undefined,
-        newLines.join("\n"),
-        -1
-      );
-    } else if (message.type === "insertTextUsingTemplate") {
-      /*
-        message.content = {
-          params: {templateName, copy}
-        }
-      */
-      const newLines: string[] = [];
-
-      const progressWindow = this._Addon.views.showProgressWindow(
-        "Running Template",
-        message.content.params.templateName,
-        "default",
-        -1
-      );
-      const renderredTemplate = (await this._Addon.template.renderTemplateAsync(
-        message.content.params.templateName
-      )) as string;
-
-      if (renderredTemplate) {
-        newLines.push(renderredTemplate);
-        newLines.push("<p> </p>");
-        const html = newLines.join("\n");
-        if (message.content.params.copy) {
-          console.log(html);
-          new CopyHelper()
-            .addText(html, "text/html")
-            .addText(this._Addon.parse.parseHTMLToMD(html), "text/unicode")
-            .copy();
-          progressWindow.changeHeadline("Template Copied");
-        } else {
-          // End of line
-          await this._Addon.knowledge.addLineToNote(undefined, html, -1, false);
-          progressWindow.changeHeadline("Running Template Finished");
-        }
-      } else {
-        progressWindow.changeHeadline("Running Template Failed");
-      }
-      progressWindow.startCloseTimer(5000);
-    } else if (message.type === "insertItemUsingTemplate") {
-      /*
-        message.content = {
-          params: {templateName}
-        }
-      */
-      const io = {
-        // Not working
-        singleSelection: true,
-        dataIn: null,
-        dataOut: null,
-        deferred: Zotero.Promise.defer(),
-      };
-
-      (window as unknown as XUL.XULWindow).openDialog(
-        "chrome://zotero/content/selectItemsDialog.xul",
-        "",
-        "chrome,dialog=no,centerscreen,resizable=yes",
-        io
-      );
-      await io.deferred.promise;
-
-      const ids = io.dataOut as unknown as number[];
-      const items = (Zotero.Items.get(ids) as Zotero.Item[]).filter(
-        (item: Zotero.Item) => item.isRegularItem()
-      );
-      if (items.length === 0) {
-        return;
-      }
-      const progressWindow = this._Addon.views.showProgressWindow(
-        "Running Template",
-        message.content.params.templateName,
-        "default",
-        -1
-      );
-      const newLines: string[] = [];
-      newLines.push("<p> </p>");
-
-      const toCopyImage: Zotero.Item[] = [];
-
-      const copyNoteImage = (noteItem: Zotero.Item) => {
-        toCopyImage.push(noteItem);
-      };
-
-      const editor = await this._Addon.knowledge.getWorkspaceEditorInstance(
-        "main",
-        false
-      );
-
-      const sharedObj = {};
-
-      let renderredTemplate = await this._Addon.template.renderTemplateAsync(
-        message.content.params.templateName,
-        "items, copyNoteImage, editor, sharedObj",
-        [items, copyNoteImage, editor, sharedObj],
-        true,
-        "beforeloop"
-      );
-
-      if (renderredTemplate) {
-        newLines.push(renderredTemplate);
-        newLines.push("<p> </p>");
-      }
-
-      for (const topItem of items) {
-        /*
-            Available variables:
-            topItem, itemNotes, copyNoteImage, editor
-          */
-
-        const itemNotes: Zotero.Item[] = Zotero.Items.get(
-          topItem.getNotes()
-        ) as Zotero.Item[];
-
-        renderredTemplate = await this._Addon.template.renderTemplateAsync(
-          message.content.params.templateName,
-          "topItem, itemNotes, copyNoteImage, editor, sharedObj",
-          [topItem, itemNotes, copyNoteImage, editor, sharedObj],
-          true,
-          "default"
-        );
-
-        if (renderredTemplate) {
-          newLines.push(renderredTemplate);
-          newLines.push("<p> </p>");
-        }
-      }
-
-      renderredTemplate = await this._Addon.template.renderTemplateAsync(
-        message.content.params.templateName,
-        "items, copyNoteImage, editor, sharedObj",
-        [items, copyNoteImage, editor, sharedObj],
-        true,
-        "afterloop"
-      );
-
-      if (renderredTemplate) {
-        newLines.push(renderredTemplate);
-        newLines.push("<p> </p>");
-      }
-
-      if (newLines) {
-        const html = newLines.join("\n");
-        if (message.content.params.copy) {
-          console.log(html);
-
-          new CopyHelper()
-            .addText(html, "text/html")
-            .addText(this._Addon.parse.parseHTMLToMD(html), "text/unicode")
-            .copy();
-          progressWindow.changeHeadline("Template Copied");
-        } else {
-          const forceMetadata = toCopyImage.length > 0;
-          console.log(toCopyImage);
-          await this._Addon.knowledge.addLineToNote(
-            undefined,
-            html,
-            -1,
-            forceMetadata
-          );
-          const mainNote = this._Addon.knowledge.getWorkspaceNote();
-          await Zotero.DB.executeTransaction(async () => {
-            for (const subNote of toCopyImage) {
-              await Zotero.Notes.copyEmbeddedImages(subNote, mainNote);
-            }
-          });
-          progressWindow.changeHeadline("Running Template Finished");
-        }
-      } else {
-        progressWindow.changeHeadline("Running Template Failed");
-      }
-      progressWindow.startCloseTimer(5000);
-    } else if (message.type === "insertNoteUsingTemplate") {
-      /*
-        message.content = {
-          params: {templateName}
-        }
-      */
-      const io = {
-        // Not working
-        singleSelection: true,
-        dataIn: null,
-        dataOut: null,
-        deferred: Zotero.Promise.defer(),
-      };
-
-      (window as unknown as XUL.XULWindow).openDialog(
-        "chrome://zotero/content/selectItemsDialog.xul",
-        "",
-        "chrome,dialog=no,centerscreen,resizable=yes",
-        io
-      );
-      await io.deferred.promise;
-
-      const ids = io.dataOut as unknown as number[];
-      const notes = (Zotero.Items.get(ids) as Zotero.Item[]).filter(
-        (item: Zotero.Item) => item.isNote()
-      );
-      if (notes.length === 0) {
-        return;
-      }
-      const progressWindow = this._Addon.views.showProgressWindow(
-        "Running Template",
-        message.content.params.templateName,
-        "default",
-        -1
-      );
-      const newLines: string[] = [];
-      newLines.push("<p> </p>");
-
-      const toCopyImage: Zotero.Item[] = [];
-
-      const copyNoteImage = (noteItem: Zotero.Item) => {
-        toCopyImage.push(noteItem);
-      };
-
-      const editor = await this._Addon.knowledge.getWorkspaceEditorInstance(
-        "main",
-        false
-      );
-      const sharedObj = {};
-
-      let renderredTemplate = await this._Addon.template.renderTemplateAsync(
-        message.content.params.templateName,
-        "notes, copyNoteImage, editor, sharedObj",
-        [notes, copyNoteImage, editor, sharedObj],
-        true,
-        "beforeloop"
-      );
-
-      if (renderredTemplate) {
-        newLines.push(renderredTemplate);
-        newLines.push("<p> </p>");
-      }
-
-      for (const noteItem of notes) {
-        /*
-          Available variables:
-          noteItem, topItem, link, copyNoteImage, editor
-        */
-        let topItem = noteItem.parentItem;
-        while (topItem && !topItem.isRegularItem()) {
-          topItem = topItem.parentItem;
-        }
-        const linkURL = this._Addon.knowledge.getNoteLink(noteItem);
-        const linkText = noteItem.getNoteTitle().trim();
-        const link = `<p><a href="${linkURL}">${
-          linkText ? linkText : linkURL
-        }</a></p>`;
-
-        renderredTemplate = await this._Addon.template.renderTemplateAsync(
-          message.content.params.templateName,
-          "noteItem, topItem, link, copyNoteImage, editor, sharedObj",
-          [noteItem, topItem, link, copyNoteImage, editor, sharedObj],
-          true,
-          "default"
-        );
-
-        if (renderredTemplate) {
-          newLines.push(renderredTemplate);
-          newLines.push("<p> </p>");
-        }
-      }
-
-      renderredTemplate = await this._Addon.template.renderTemplateAsync(
-        message.content.params.templateName,
-        "notes, copyNoteImage, editor, sharedObj",
-        [notes, copyNoteImage, editor, sharedObj],
-        true,
-        "afterloop"
-      );
-
-      if (renderredTemplate) {
-        newLines.push(renderredTemplate);
-        newLines.push("<p> </p>");
-      }
-
-      if (newLines) {
-        const html = newLines.join("\n");
-        if (message.content.params.copy) {
-          console.log(html);
-
-          new CopyHelper()
-            .addText(html, "text/html")
-            .addText(this._Addon.parse.parseHTMLToMD(html), "text/unicode")
-            .copy();
-          progressWindow.changeHeadline("Template Copied");
-        } else {
-          const forceMetadata = toCopyImage.length > 0;
-          console.log(toCopyImage);
-          await this._Addon.knowledge.addLineToNote(
-            undefined,
-            html,
-            -1,
-            forceMetadata
-          );
-          const mainNote = this._Addon.knowledge.getWorkspaceNote();
-          await Zotero.DB.executeTransaction(async () => {
-            for (const subNote of toCopyImage) {
-              await Zotero.Notes.copyEmbeddedImages(subNote, mainNote);
-            }
-          });
-          progressWindow.changeHeadline("Running Template Finished");
-        }
-      } else {
-        progressWindow.changeHeadline("Running Template Failed");
-      }
-      progressWindow.startCloseTimer(5000);
-    } else if (message.type === "editTemplate") {
-      /*
-        message.content = {}
-      */
-      this._Addon.template.openEditor();
-    } else if (message.type === "export") {
-      /*
-        message.content = {
-          editorInstance?, params?: {item}
-        }
-      */
-      let item = message.content.editorInstance
-        ? message.content.editorInstance._item
-        : message.content.params.item;
-
-      if (!item) {
-        item = this._Addon.knowledge.getWorkspaceNote();
-      }
-      // If this note is in sync list, open sync window
-      if (this._Addon.sync.getSyncNoteIds().includes(item.id)) {
-        const io = {
-          dataIn: item,
-          dataOut: {} as any,
-          deferred: Zotero.Promise.defer(),
-        };
-
-        (window as unknown as XUL.XULWindow).openDialog(
-          "chrome://Knowledge4Zotero/content/sync.xul",
-          "",
-          "chrome,centerscreen,width=500,height=200",
-          io
-        );
-        await io.deferred.promise;
-        if (!io.dataOut.export) {
-          return;
-        }
-      }
-      const io = {
-        dataIn: null,
-        dataOut: null,
-        deferred: Zotero.Promise.defer(),
-      };
-
-      (window as unknown as XUL.XULWindow).openDialog(
-        "chrome://Knowledge4Zotero/content/export.xul",
-        "",
-        "chrome,centerscreen,width=400,height=400,resizable=yes",
-        io
-      );
-      await io.deferred.promise;
-
-      const options = io.dataOut as any;
-      if (!options) {
-        return;
-      }
-      if (options.exportFile && options.exportSingleFile) {
-        await this._Addon.knowledge.exportNotesToFile(
-          [item],
-          false,
-          options.exportAutoSync
-        );
-      } else {
-        await this._Addon.knowledge.exportNoteToFile(
-          item,
-          options.embedLink,
-          options.exportFile,
-          options.exportNote,
-          options.exportCopy,
-          options.exportPDF
-        );
-      }
-    } else if (message.type === "exportNotes") {
-      /*
-        message.content = {}
-      */
-      const items = ZoteroPane.getSelectedItems();
-      const noteItems: Zotero.Item[] = [];
-      items.forEach((item) => {
-        if (item.isNote()) {
-          noteItems.push(item);
-        }
-        if (item.isRegularItem()) {
-          noteItems.splice(
-            0,
-            0,
-            ...(Zotero.Items.get(item.getNotes()) as Zotero.Item[])
-          );
-        }
-      });
-      if (noteItems.length === 0) {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          "No standalone/item note selected."
-        );
-      } else if (noteItems.length === 1) {
-        this.onEditorEvent(
-          new EditorMessage("export", { params: { item: noteItems[0] } })
-        );
-      } else {
-        const useSingleFile = confirm("Export linked notes to markdown files?");
-        await this._Addon.knowledge.exportNotesToFile(
-          noteItems,
-          !useSingleFile
-        );
-      }
-    } else if (message.type === "sync") {
-      /*
-        message.content = {
-          editorInstance
-        }
-      */
-      const note = this._Addon.knowledge.getWorkspaceNote();
-      if (this._Addon.sync.isSyncNote(note)) {
-        this._Addon.sync.doSync([note], true, false);
-      } else {
-        await this._Addon.knowledge.exportNotesToFile([note], false, true);
-      }
-    } else if (message.type === "openAttachment") {
-      /*
-        message.content = {
-          editorInstance
-        }
-      */
-      const editor = message.content.editorInstance as Zotero.EditorInstance;
-      const note = editor._item;
-      let successCount = 0;
-      let failCount = 0;
-      if (note.parentItem) {
-        for (const attchment of (
-          Zotero.Items.get(note.parentItem.getAttachments()) as Zotero.Item[]
-        ).filter((item: Zotero.Item) => {
-          return item.isPDFAttachment();
-        })) {
-          Zotero.debug(attchment);
-          try {
-            Zotero.debug("Launching PDF without page number");
-            let zp = Zotero.getActiveZoteroPane();
-            if (zp) {
-              zp.viewAttachment([attchment.id]);
-            }
-            Zotero.Notifier.trigger("open", "file", attchment.id);
-            successCount += 1;
-          } catch (e) {
-            Zotero.debug("Knowledge4Zotero: Open attachment failed:");
-            Zotero.debug(attchment);
-            failCount += 1;
-          }
-        }
-      }
-      if (successCount === 0) {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          failCount
-            ? "Error occurred on opening attachemnts."
-            : "No attachment found.",
-          "fail"
-        );
-      }
-    } else if (message.type === "buildReaderAnnotationButton") {
-      /*
-        message.content = {}
-      */
-      for (const reader of Zotero.Reader._readers) {
-        Zotero.debug("reader found");
-        let t = 0;
-        while (
-          t < 100 &&
-          !(await this._Addon.views.addReaderAnnotationButton(reader))
-        ) {
-          await Zotero.Promise.delay(50);
-          t += 1;
-        }
-      }
-    } else if (message.type === "addAnnotationNote") {
-      /*
-        message.content = {
-          params: { annotationItem }
-        }
-      */
-      const annotationItem: Zotero.Item = message.content.params.annotationItem;
-
-      if (annotationItem.annotationComment) {
-        const text = annotationItem.annotationComment;
-        let link = this._Addon.parse.parseLinkInText(text);
-
-        if (link) {
-          const note = (await this._Addon.knowledge.getNoteFromLink(link)).item;
-          if (note && note.id) {
-            await this.onEditorEvent(
-              new EditorMessage("onNoteLink", {
-                params: {
-                  item: note,
-                  infoText: "OK",
-                },
-              })
-            );
-            return;
-          }
-        }
-      }
-
-      const note: Zotero.Item = new Zotero.Item("note");
-      note.libraryID = annotationItem.libraryID;
-      note.parentID = annotationItem.parentItem.parentID;
-      await note.saveTx();
-
-      ZoteroPane.openNoteWindow(note.id);
-      let editorInstance: Zotero.EditorInstance =
-        this._Addon.knowledge.getEditorInstance(note);
-      let t = 0;
-      // Wait for editor instance
-      while (t < 10 && !editorInstance) {
-        await Zotero.Promise.delay(500);
-        t += 1;
-        editorInstance = this._Addon.knowledge.getEditorInstance(note);
-      }
-
-      const renderredTemplate = await this._Addon.template.renderTemplateAsync(
-        "[QuickNoteV2]",
-        "annotationItem, topItem, noteItem",
-        [annotationItem, annotationItem.parentItem.parentItem, note]
-      );
-      await this._Addon.knowledge.addLineToNote(
-        note,
-        renderredTemplate,
-        0,
-        "before"
-      );
-
-      const tags = annotationItem.getTags();
-      for (const tag of tags) {
-        note.addTag(tag.tag, tag.type);
-      }
-      await note.saveTx();
-
-      annotationItem.annotationComment = `${
-        annotationItem.annotationComment ? annotationItem.annotationComment : ""
-      }\nnote link: "${this._Addon.knowledge.getNoteLink(note)}"`;
-      await annotationItem.saveTx();
-    } else if (message.type === "setOCREngine") {
-      /*
-        message.content = {
-          params: { engine: string }
-        }
-      */
-      const engine = message.content.params.engine;
-      if (engine === "mathpix") {
-        Zotero.Prefs.set(
-          "Knowledge4Zotero.OCRMathpix.Appid",
-          prompt(
-            "Please input app_id",
-            Zotero.Prefs.get("Knowledge4Zotero.OCRMathpix.Appid") as string
-          )
-        );
-        Zotero.Prefs.set(
-          "Knowledge4Zotero.OCRMathpix.Appkey",
-          prompt(
-            "Please input app_key",
-            Zotero.Prefs.get("Knowledge4Zotero.OCRMathpix.Appkey") as string
-          )
-        );
-      } else if (engine === "xunfei") {
-        Zotero.Prefs.set(
-          "Knowledge4Zotero.OCRXunfei.APPID",
-          prompt(
-            "Please input APPID",
-            Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APPID") as string
-          )
-        );
-        Zotero.Prefs.set(
-          "Knowledge4Zotero.OCRXunfei.APISecret",
-          prompt(
-            "Please input APISecret",
-            Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APISecret") as string
-          )
-        );
-        Zotero.Prefs.set(
-          "Knowledge4Zotero.OCRXunfei.APIKey",
-          prompt(
-            "Please input APIKey",
-            Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APIKey") as string
-          )
-        );
-      }
-      Zotero.Prefs.set("Knowledge4Zotero.OCREngine", engine);
-    } else if (message.type === "ocrImageAnnotation") {
-      /*
-        message.content = {
-          params: { src: string, annotationItem: Zotero.Item }
-        }
-      */
-      const annotationItem: Zotero.Item = message.content.params.annotationItem;
-      let result: string;
-      let success: boolean;
-      const engine = Zotero.Prefs.get("Knowledge4Zotero.OCREngine");
-      if (engine === "mathpix") {
-        const xhr = await Zotero.HTTP.request(
-          "POST",
-          "https://api.mathpix.com/v3/text",
-          {
-            headers: {
-              "Content-Type": "application/json; charset=utf-8",
-              app_id: Zotero.Prefs.get("Knowledge4Zotero.OCRMathpix.Appid"),
-              app_key: Zotero.Prefs.get("Knowledge4Zotero.OCRMathpix.Appkey"),
-            },
-            body: JSON.stringify({
-              src: message.content.params.src,
-              math_inline_delimiters: ["$", "$"],
-              math_display_delimiters: ["$$", "$$"],
-              rm_spaces: true,
-            }),
-            responseType: "json",
-          }
-        );
-        console.log(xhr);
-        if (xhr && xhr.status && xhr.status === 200 && xhr.response.text) {
-          result = xhr.response.text;
-          success = true;
-        } else {
-          result =
-            xhr.status === 200 ? xhr.response.error : `${xhr.status} Error`;
-          success = false;
-        }
-      } else if (engine === "xunfei") {
-        /**
-         * 1.Doc：https://www.xfyun.cn/doc/words/formula-discern/API.html
-         * 2.Error code：https://www.xfyun.cn/document/error-code
-         * @author iflytek
-         */
-
-        const config = {
-          hostUrl: "https://rest-api.xfyun.cn/v2/itr",
-          host: "rest-api.xfyun.cn",
-          appid: Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APPID"),
-          apiSecret: Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APISecret"),
-          apiKey: Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APIKey"),
-          uri: "/v2/itr",
-        };
-
-        let date = new Date().toUTCString();
-        let postBody = getPostBody();
-        let digest = getDigest(postBody);
-
-        const xhr = await Zotero.HTTP.request("POST", config.hostUrl, {
-          headers: {
-            "Content-Type": "application/json",
-            Accept: "application/json,version=1.0",
-            Host: config.host,
-            Date: date,
-            Digest: digest,
-            Authorization: getAuthStr(date, digest),
-          },
-          body: JSON.stringify(postBody),
-          responseType: "json",
-        });
-
-        if (xhr?.response?.code === 0) {
-          result = xhr.response.data.region
-            .filter((r) => r.type === "text")
-            .map((r) => r.recog.content)
-            .join(" ")
-            .replace(/ifly-latex-(begin)?(end)?/g, "$");
-          console.log(xhr);
-          success = true;
-        } else {
-          result =
-            xhr.status === 200
-              ? `${xhr.response.code} ${xhr.response.message}`
-              : `${xhr.status} Error`;
-          success = false;
-        }
-
-        function getPostBody() {
-          let digestObj = {
-            common: {
-              app_id: config.appid,
-            },
-            business: {
-              ent: "teach-photo-print",
-              aue: "raw",
-            },
-            data: {
-              image: message.content.params.src.split(",").pop(),
-            },
-          };
-          return digestObj;
-        }
-
-        function getDigest(body) {
-          return (
-            "SHA-256=" +
-            CryptoJS.enc.Base64.stringify(CryptoJS.SHA256(JSON.stringify(body)))
-          );
-        }
-
-        function getAuthStr(date, digest) {
-          let signatureOrigin = `host: ${config.host}\ndate: ${date}\nPOST ${config.uri} HTTP/1.1\ndigest: ${digest}`;
-          let signatureSha = CryptoJS.HmacSHA256(
-            signatureOrigin,
-            config.apiSecret
-          );
-          let signature = CryptoJS.enc.Base64.stringify(signatureSha);
-          let authorizationOrigin = `api_key="${config.apiKey}", algorithm="hmac-sha256", headers="host date request-line digest", signature="${signature}"`;
-          return authorizationOrigin;
-        }
-      } else if (engine === "bing") {
-        const xhr = await Zotero.HTTP.request(
-          "POST",
-          "https://www.bing.com/cameraexp/api/v1/getlatex",
-          {
-            headers: {
-              "Content-Type": "application/json",
-            },
-            body: JSON.stringify({
-              data: message.content.params.src.split(",").pop(),
-              inputForm: "Image",
-              clientInfo: { platform: "edge" },
-            }),
-            responseType: "json",
-          }
-        );
-        if (xhr && xhr.status && xhr.status === 200 && !xhr.response.isError) {
-          result = xhr.response.latex
-            ? `$${xhr.response.latex}$`
-            : xhr.response.ocrText;
-          success = true;
-        } else {
-          result =
-            xhr.status === 200
-              ? xhr.response.errorMessage
-              : `${xhr.status} Error`;
-          success = false;
-        }
-      } else {
-        result = "OCR Engine Not Found";
-        success = false;
-      }
-      if (success) {
-        annotationItem.annotationComment = `${
-          annotationItem.annotationComment
-            ? `${annotationItem.annotationComment}\n`
-            : ""
-        }${result}`;
-        await annotationItem.saveTx();
-        this._Addon.views.showProgressWindow(
-          "Better Notes OCR",
-          `OCR Result: ${result}`
-        );
-      } else {
-        this._Addon.views.showProgressWindow(
-          "Better Notes OCR",
-          result,
-          "fail"
-        );
-      }
-    } else if (message.type == "convertMD") {
-      /*
-        message.content = {}
-      */
-      const source = Zotero.Utilities.Internal.getClipboard("text/unicode");
-      if (!source) {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          "No MarkDown found."
-        );
-        return;
-      }
-      const html = this._Addon.parse.parseMDToHTML(source);
-      console.log(source, html);
-      new CopyHelper().addText(html, "text/html").copy();
-
-      this._Addon.views.showProgressWindow(
-        "Better Notes",
-        "Converted MarkDown is updated to the clipboard. You can paste them in the note."
-      );
-    } else if (message.type == "convertAsciiDoc") {
-      /*
-        message.content = {}
-      */
-      const source = Zotero.Utilities.Internal.getClipboard("text/unicode");
-      if (!source) {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          "No AsciiDoc found."
-        );
-        return;
-      }
-      const html = this._Addon.parse.parseAsciiDocToHTML(source);
-      console.log(source, html);
-      new CopyHelper().addText(html, "text/html").copy();
-
-      this._Addon.views.showProgressWindow(
-        "Better Notes",
-        "Converted AsciiDoc is updated to the clipboard. You can paste them in the note."
-      );
-    } else {
-      Zotero.debug(`Knowledge4Zotero: message not handled.`);
-    }
-  }
-
-  private resetState(): void {
-    // Reset preferrence state.
-    this._Addon.template.resetTemplates();
-    // Initialize citation style
-    this._Addon.template.getCitationStyle();
-    // Initialize sync notes
-    this._Addon.sync.getSyncNoteIds();
-    this._Addon.views.updateAutoInsertAnnotationsMenu();
-  }
-}
-
-export default AddonEvents;
diff --git a/src/file_picker.ts b/src/file_picker.ts
deleted file mode 100644
index c6fec0e..0000000
--- a/src/file_picker.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-export async function pick(title: string, mode: 'open' | 'save' | 'folder', filters?: [string, string][], suggestion?: string): Promise<string> {
-    const fp = Components.classes['@mozilla.org/filepicker;1'].createInstance(Components.interfaces.nsIFilePicker)
-  
-    if (suggestion) fp.defaultString = suggestion
-  
-    mode = {
-      open: Components.interfaces.nsIFilePicker.modeOpen,
-      save: Components.interfaces.nsIFilePicker.modeSave,
-      folder: Components.interfaces.nsIFilePicker.modeGetFolder,
-    }[mode]
-  
-    fp.init(window, title, mode)
-  
-    for (const [label, ext] of (filters || [])) {
-      fp.appendFilter(label, ext)
-    }
-  
-    // eslint-disable-next-line @typescript-eslint/no-unsafe-return
-    return new Zotero.Promise(resolve => {
-      fp.open(userChoice => {
-        switch (userChoice) {
-          case Components.interfaces.nsIFilePicker.returnOK:
-          case Components.interfaces.nsIFilePicker.returnReplace:
-            resolve(fp.file.path)
-            break
-  
-          default: // aka returnCancel
-            resolve('')
-            break
-        }
-      })
-    })
-  }
\ No newline at end of file
diff --git a/src/knowledge.ts b/src/knowledge.ts
deleted file mode 100644
index f2b8722..0000000
--- a/src/knowledge.ts
+++ /dev/null
@@ -1,1202 +0,0 @@
-import Knowledge4Zotero from "./addon";
-import { OutlineType } from "./base";
-import { pick } from "./file_picker";
-import AddonBase from "./module";
-
-class Knowledge extends AddonBase {
-  currentLine: object;
-  currentNodeID: number;
-  workspaceWindow: Window;
-  workspaceTabId: string;
-  workspaceNoteEditor: Zotero.EditorInstance | undefined;
-  previewItemID: number;
-  _firstInit: boolean;
-  _workspacePromise: any;
-  _exportPath: string;
-  _exportFileDict: object;
-  _pdfNoteId: number;
-  _pdfPrintPromise: any;
-  constructor(parent: Knowledge4Zotero) {
-    super(parent);
-    this.workspaceTabId = "";
-    this._firstInit = true;
-    this.currentLine = {};
-    this.currentNodeID = -1;
-    this._pdfNoteId = -1;
-  }
-
-  getWorkspaceNote(): Zotero.Item {
-    return Zotero.Items.get(
-      Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID") as number
-    ) as Zotero.Item;
-  }
-
-  getWorkspaceWindow(): Window | boolean {
-    if (this.workspaceWindow && !this.workspaceWindow.closed) {
-      return this.workspaceWindow;
-    }
-    return false;
-  }
-
-  async openWorkspaceWindow(
-    type: "window" | "tab" = "tab",
-    reopen: boolean = false,
-    select: boolean = true
-  ) {
-    if (this.getWorkspaceWindow()) {
-      if (!reopen) {
-        Zotero.debug("openWorkspaceWindow: focus");
-        if (this.workspaceTabId !== "WINDOW") {
-          Zotero_Tabs.select(this.workspaceTabId);
-        } else {
-          (this.getWorkspaceWindow() as Window).focus();
-        }
-        return;
-      } else {
-        Zotero.debug("openWorkspaceWindow: reopen");
-        this.closeWorkspaceWindow();
-      }
-    }
-    this._workspacePromise = Zotero.Promise.defer();
-    this._firstInit = true;
-    if (type === "window") {
-      Zotero.debug("openWorkspaceWindow: as window");
-      this._Addon.views._initIframe = Zotero.Promise.defer();
-      let win = window.open(
-        "chrome://Knowledge4Zotero/content/workspace.xul",
-        "_blank",
-        "chrome,extrachrome,menubar,resizable,scrollbars,status,width=1000,height=600"
-      );
-      this.workspaceWindow = win as Window;
-      this.workspaceTabId = "WINDOW";
-      await this.waitWorkspaceReady();
-      this.setWorkspaceNote("main");
-      this.currentLine[this.getWorkspaceNote().id] = -1;
-      this._Addon.views.initKnowledgeWindow(win);
-      this._Addon.views.switchView(OutlineType.treeView);
-      this._Addon.views.updateOutline();
-      this._Addon.views.updateAutoInsertAnnotationsMenu();
-    } else {
-      Zotero.debug("openWorkspaceWindow: as tab");
-      this._Addon.views._initIframe = Zotero.Promise.defer();
-      // Avoid sidebar show up
-      Zotero_Tabs.jump(0);
-      let { id, container } = Zotero_Tabs.add({
-        type: "betternotes",
-        title: Zotero.locale.includes("zh") ? "工作区" : "Workspace",
-        index: 1,
-        data: {},
-        select: select,
-        onClose: () => (this.workspaceTabId = ""),
-      });
-      this.workspaceTabId = id;
-      const _iframe = window.document.createElement("browser");
-      _iframe.setAttribute("class", "reader");
-      _iframe.setAttribute("flex", "1");
-      _iframe.setAttribute("type", "content");
-      _iframe.setAttribute(
-        "src",
-        "chrome://Knowledge4Zotero/content/workspace.xul"
-      );
-      container.appendChild(_iframe);
-
-      // @ts-ignore
-      this.workspaceWindow = _iframe.contentWindow;
-      await this.waitWorkspaceReady();
-
-      this._Addon.views.hideMenuBar(this.workspaceWindow.document);
-
-      this.currentLine[this.getWorkspaceNote().id] = -1;
-      this._Addon.views.initKnowledgeWindow(this.workspaceWindow);
-      this._Addon.views.switchView(OutlineType.treeView);
-      this._Addon.views.updateOutline();
-    }
-  }
-
-  closeWorkspaceWindow() {
-    if (this.getWorkspaceWindow()) {
-      if (this.workspaceTabId !== "WINDOW") {
-        Zotero_Tabs.close(this.workspaceTabId);
-      } else {
-        (this.getWorkspaceWindow() as Window).close();
-      }
-    }
-    this.workspaceTabId = "";
-  }
-
-  async waitWorkspaceReady() {
-    let _window = this.getWorkspaceWindow() as Window;
-    if (!_window) {
-      return false;
-    }
-    let t = 0;
-    await this._workspacePromise.promise;
-    return true;
-  }
-
-  async getWorkspaceEditor(type: "main" | "preview" = "main") {
-    let _window = this.getWorkspaceWindow() as Window;
-    if (!_window) {
-      return;
-    }
-    await this.waitWorkspaceReady();
-    return _window.document.getElementById(`zotero-note-editor-${type}`);
-  }
-
-  async getWorkspaceEditorInstance(
-    type: "main" | "preview" = "main",
-    wait: boolean = true
-  ): Promise<Zotero.EditorInstance | undefined> {
-    let noteEditor = (await this.getWorkspaceEditor(type)) as any;
-    if (!noteEditor) {
-      return;
-    }
-    let t = 0;
-    while (wait && !noteEditor.getCurrentInstance() && t < 500) {
-      t += 1;
-      await Zotero.Promise.delay(10);
-    }
-    this.workspaceNoteEditor =
-      noteEditor.getCurrentInstance() as Zotero.EditorInstance;
-    return this.workspaceNoteEditor;
-  }
-
-  getEditorInstance(note: Zotero.Item) {
-    // If there are multiple editors of main note available, we use the workspace editor.
-    if (
-      note.id === this.getWorkspaceNote().id &&
-      this.getWorkspaceWindow() &&
-      this.workspaceNoteEditor &&
-      !Components.utils.isDeadWrapper(this.workspaceNoteEditor._iframeWindow)
-    ) {
-      return this.workspaceNoteEditor;
-    }
-    const editor = (
-      Zotero.Notes._editorInstances as Zotero.EditorInstance[]
-    ).find(
-      (e) =>
-        e._item.id === note.id &&
-        !Components.utils.isDeadWrapper(e._iframeWindow)
-    );
-    if (note.id === this.getWorkspaceNote().id) {
-      this.workspaceNoteEditor = editor;
-    }
-    return editor;
-  }
-
-  async setWorkspaceNote(
-    type: "main" | "preview" = "main",
-    note: Zotero.Item | undefined = undefined,
-    showPopup: boolean = true
-  ) {
-    let _window = this.getWorkspaceWindow() as Window;
-    note = note || this.getWorkspaceNote();
-    if (!_window) {
-      return;
-    }
-    if (type === "preview") {
-      const splitter = _window.document.getElementById("preview-splitter");
-      splitter && splitter.setAttribute("state", "open");
-      this.previewItemID = note.id;
-    } else {
-      // Set line to default
-      this.currentLine[note.id] = -1;
-      if (Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID") !== note.id) {
-        Zotero.Prefs.set("Knowledge4Zotero.mainKnowledgeID", note.id);
-      }
-    }
-    await this.waitWorkspaceReady();
-    let noteEditor: any = await this.getWorkspaceEditor(type);
-    if (!noteEditor._initialized) {
-      noteEditor._iframe.contentWindow.addEventListener(
-        "drop",
-        (event) => {
-          noteEditor._iframe.contentWindow.wrappedJSObject.droppedData =
-            Components.utils.cloneInto(
-              {
-                "text/plain": event.dataTransfer.getData("text/plain"),
-                "text/html": event.dataTransfer.getData("text/html"),
-                "zotero/annotation":
-                  event.dataTransfer.getData("zotero/annotation"),
-                "zotero/item": event.dataTransfer.getData("zotero/item"),
-              },
-              noteEditor._iframe.contentWindow
-            );
-        },
-        true
-      );
-      noteEditor._initialized = true;
-    }
-    noteEditor.mode = "edit";
-    noteEditor.viewMode = "library";
-    noteEditor.parent = null;
-    noteEditor.item = note;
-    if (!noteEditor || !noteEditor.getCurrentInstance()) {
-      await noteEditor.initEditor();
-    }
-
-    await noteEditor._editorInstance._initPromise;
-    const position = this._Addon.views.getEditorElement(
-      noteEditor._editorInstance._iframeWindow.document
-    ).parentNode.scrollTop;
-    // Due to unknown reasons, only after the second init the editor will be correctly loaded.
-    // Thus we must init it twice
-    if (this._firstInit) {
-      this._firstInit = false;
-      await noteEditor.initEditor();
-    }
-    await this._Addon.views.scrollToPosition(
-      noteEditor._editorInstance,
-      position
-    );
-    if (type === "main") {
-      this._Addon.views.updateOutline();
-      this._Addon.views.updateWordCount();
-      const recentMainNotes = Zotero.Items.get(
-        new Array(
-          ...new Set(
-            (
-              Zotero.Prefs.get("Knowledge4Zotero.recentMainNoteIds") as string
-            ).split(",")
-          )
-        )
-      ) as Zotero.Item[];
-      recentMainNotes.splice(0, 0, note);
-      Zotero.Prefs.set(
-        "Knowledge4Zotero.recentMainNoteIds",
-        new Array(...new Set(recentMainNotes.map((item) => String(item.id))))
-          .slice(0, 10)
-          .filter((id) => id)
-          .join(",")
-      );
-      if (showPopup) {
-        this._Addon.views.showProgressWindow(
-          "Better Notes",
-          `Set main Note to: ${note.getNoteTitle()}`
-        );
-      }
-    }
-  }
-
-  getLinesInNote(note: Zotero.Item): string[] {
-    note = note || this.getWorkspaceNote();
-    if (!note) {
-      return [];
-    }
-    let noteText: string = note.getNote();
-    return this._Addon.parse.parseHTMLLines(noteText);
-  }
-
-  async setLinesToNote(note: Zotero.Item, noteLines: string[]) {
-    note = note || this.getWorkspaceNote();
-    if (!note) {
-      return [];
-    }
-    let noteText: string = note.getNote();
-    let containerIndex = noteText.search(/data-schema-version="8">/g);
-    if (containerIndex === -1) {
-      note.setNote(
-        `<div data-schema-version="8">${noteLines.join("\n")}</div>`
-      );
-    } else {
-      let noteHead = noteText.substring(0, containerIndex);
-      note.setNote(
-        `${noteHead}data-schema-version="8">${noteLines.join("\n")}</div>`
-      );
-    }
-
-    await note.saveTx();
-  }
-
-  private async addLineToNote(
-    note: Zotero.Item,
-    text: string,
-    lineIndex: number,
-    forceMetadata: boolean = false,
-    position: "before" | "after" = "after"
-  ) {
-    note = note || this.getWorkspaceNote();
-    if (!note) {
-      return;
-    }
-    let noteLines = this.getLinesInNote(note);
-    if (lineIndex < 0) {
-      lineIndex = this.currentLine[note.id];
-      lineIndex = lineIndex && lineIndex >= 0 ? lineIndex : noteLines.length;
-    } else if (lineIndex >= noteLines.length) {
-      lineIndex = noteLines.length;
-    }
-    Zotero.debug(
-      `insert to ${lineIndex}, it used to be ${noteLines[lineIndex]}`
-    );
-    Zotero.debug(text);
-
-    const editorInstance = this.getEditorInstance(note);
-    if (editorInstance && !forceMetadata) {
-      // The note is opened. Add line via note editor
-      console.log("Add note line via note editor");
-      const _document = editorInstance._iframeWindow.document;
-      const currentElement = this._Addon.parse.parseHTMLLineElement(
-        _document.querySelector(".primary-editor"),
-        lineIndex
-      );
-      const frag = _document.createDocumentFragment();
-      const temp = _document.createElement("div");
-      temp.innerHTML = text;
-      while (temp.firstChild) {
-        frag.appendChild(temp.firstChild);
-      }
-      position === "after"
-        ? currentElement.after(frag)
-        : currentElement.before(frag);
-      this._Addon.views.scrollToPosition(
-        editorInstance,
-        currentElement.offsetTop
-      );
-    } else {
-      // The note editor does not exits yet. Fall back to modify the metadata
-      console.log("Add note line via note metadata");
-
-      // insert after/before current line
-      if (position === "after") {
-        lineIndex += 1;
-      }
-      noteLines.splice(lineIndex, 0, text);
-      await this.setLinesToNote(note, noteLines);
-      if (this.getWorkspaceNote().id === note.id) {
-        await this.scrollWithRefresh(lineIndex);
-      }
-    }
-  }
-
-  _dataURLtoBlob(dataurl: string) {
-    let parts = dataurl.split(",");
-    let matches = parts[0]?.match(/:(.*?);/);
-    if (!matches || !matches[1]) {
-      return;
-    }
-    let mime = matches[1];
-    if (parts[0].indexOf("base64") !== -1) {
-      let bstr = atob(parts[1]);
-      let n = bstr.length;
-      let u8arr = new Uint8Array(n);
-      while (n--) {
-        u8arr[n] = bstr.charCodeAt(n);
-      }
-
-      return new (Zotero.getMainWindow().Blob)([u8arr], { type: mime });
-    }
-    return null;
-  }
-
-  async _importImage(note: Zotero.Item, src, download = false) {
-    let blob;
-    if (src.startsWith("data:")) {
-      blob = this._dataURLtoBlob(src);
-    } else if (download) {
-      let res;
-
-      try {
-        res = await Zotero.HTTP.request("GET", src, { responseType: "blob" });
-      } catch (e) {
-        return;
-      }
-      blob = res.response;
-    } else {
-      return;
-    }
-
-    let attachment = await Zotero.Attachments.importEmbeddedImage({
-      blob,
-      parentItemID: note.id,
-      saveOptions: {},
-    });
-
-    return attachment.key;
-  }
-
-  async importImagesToNote(note: Zotero.Item, annotations: any) {
-    for (let annotation of annotations) {
-      if (annotation.image) {
-        annotation.imageAttachmentKey = await this._importImage(
-          note,
-          annotation.image
-        );
-      }
-      delete annotation.image;
-    }
-  }
-
-  async addAnnotationsToNote(
-    note: Zotero.Item,
-    annotations: Zotero.Item[],
-    lineIndex: number
-  ) {
-    note = note || this.getWorkspaceNote();
-    if (!note) {
-      return;
-    }
-    const html = await this._Addon.parse.parseAnnotationHTML(note, annotations);
-    await this.addLineToNote(note, html, lineIndex);
-    return html;
-  }
-
-  addLinkToNote(
-    targetNote: Zotero.Item,
-    linkedNote: Zotero.Item,
-    lineIndex: number,
-    sectionName: string
-  ) {
-    targetNote = targetNote || this.getWorkspaceNote();
-    if (!targetNote) {
-      return;
-    }
-    if (!linkedNote.isNote()) {
-      this._Addon.views.showProgressWindow("Better Notes", "Not a note item");
-      return;
-    }
-    const link = this.getNoteLink(linkedNote);
-    const linkText = linkedNote.getNoteTitle().trim();
-
-    const linkTemplate = this._Addon.template.renderTemplate(
-      "[QuickInsert]",
-      "link, subNoteItem, noteItem, sectionName, lineIndex",
-      [link, linkedNote, targetNote, sectionName, lineIndex]
-    );
-
-    this.addLineToNote(targetNote, linkTemplate, lineIndex);
-
-    const backLinkTemplate = this._Addon.template.renderTemplate(
-      "[QuickBackLink]",
-      "subNoteItem, noteItem, sectionName, lineIndex",
-      [linkedNote, targetNote, sectionName, lineIndex],
-      false
-    );
-
-    if (backLinkTemplate) {
-      this.addLineToNote(linkedNote, backLinkTemplate, -1);
-    }
-
-    this._Addon.views.showProgressWindow(
-      "Better Notes",
-      `Link is added to workspace${lineIndex >= 0 ? ` line ${lineIndex}` : ""}`
-    );
-  }
-
-  getNoteLink(
-    note: Zotero.Item,
-    options: {
-      ignore?: boolean;
-      withLine?: boolean;
-    } = { ignore: false, withLine: false }
-  ) {
-    let libraryID = note.libraryID;
-    let library = Zotero.Libraries.get(libraryID);
-    let groupID: string;
-    if (library.libraryType === "user") {
-      groupID = "u";
-    } else if (library.libraryType === "group") {
-      groupID = `${library.id}`;
-    } else {
-      return "";
-    }
-    let noteKey = note.key;
-    let link = `zotero://note/${groupID}/${noteKey}/`;
-    const addParam = (link: string, param: string): string => {
-      const lastChar = link[link.length - 1];
-      if (lastChar === "/") {
-        link += "?";
-      } else if (lastChar !== "?" && lastChar !== "&") {
-        link += "&";
-      }
-      return `${link}${param}`;
-    };
-    if (options.ignore || options.withLine) {
-      if (options.ignore) {
-        link = addParam(link, "ignore=1");
-      }
-      if (options.withLine) {
-        if (!this.currentLine[note.id]) {
-          this.currentLine[note.id] = 0;
-        }
-        link = addParam(link, `line=${this.currentLine[note.id]}`);
-      }
-    }
-    return link;
-  }
-
-  getAnnotationLink(annotation: Zotero.Item) {
-    let position = JSON.parse(annotation.annotationPosition);
-    let openURI: string;
-
-    const attachment = annotation.parentItem;
-    let libraryID = attachment.libraryID;
-    let library = Zotero.Libraries.get(libraryID);
-    if (library.libraryType === "user") {
-      openURI = `zotero://open-pdf/library/items/${attachment.key}`;
-    } else if (library.libraryType === "group") {
-      openURI = `zotero://open-pdf/groups/${library.id}/items/${attachment.key}`;
-    } else {
-      openURI = "";
-    }
-
-    openURI +=
-      "?page=" +
-      (position.pageIndex + 1) +
-      (annotation.key ? "&annotation=" + annotation.key : "");
-
-    return openURI;
-  }
-
-  async modifyLineInNote(
-    note: Zotero.Item,
-    text: string | Function,
-    lineIndex: number,
-    forceMetadata: boolean = false
-  ) {
-    note = note || this.getWorkspaceNote();
-    if (!note) {
-      return;
-    }
-    let noteLines = this.getLinesInNote(note);
-    if (lineIndex < 0 || lineIndex >= noteLines.length) {
-      return;
-    }
-    if (typeof text === "string") {
-      noteLines[lineIndex] = text;
-    } else if (typeof text === "function") {
-      noteLines[lineIndex] = text(noteLines[lineIndex]);
-    }
-    const editorInstance = this.getEditorInstance(note);
-    if (editorInstance && !forceMetadata) {
-      // The note is opened. Add line via note editor
-      console.log("Modify note line via note editor");
-      const _document = editorInstance._iframeWindow.document;
-      const currentElement: HTMLElement =
-        this._Addon.parse.parseHTMLLineElement(
-          _document.querySelector(".primary-editor"),
-          lineIndex
-        );
-      const frag = _document.createDocumentFragment();
-      const temp = _document.createElement("div");
-      temp.innerHTML = noteLines[lineIndex];
-      while (temp.firstChild) {
-        frag.appendChild(temp.firstChild);
-      }
-      currentElement.replaceWith(frag);
-      this._Addon.views.scrollToPosition(
-        editorInstance,
-        currentElement.offsetTop
-      );
-    } else {
-      await this.setLinesToNote(note, noteLines);
-      await this.scrollWithRefresh(lineIndex);
-    }
-  }
-
-  async changeHeadingLineInNote(
-    note: Zotero.Item,
-    rankChange: number,
-    lineIndex: number
-  ) {
-    note = note || this.getWorkspaceNote();
-    if (!note) {
-      return;
-    }
-    const noteLines = this.getLinesInNote(note);
-    if (lineIndex < 0 || lineIndex >= noteLines.length) {
-      return;
-    }
-    const headerStartReg = new RegExp("<h[1-6]>");
-    const headerStopReg = new RegExp("</h[1-6]>");
-    let headerStart = noteLines[lineIndex].search(headerStartReg);
-    if (headerStart === -1) {
-      return;
-    }
-    let lineRank = parseInt(noteLines[lineIndex][headerStart + 2]) + rankChange;
-    if (lineRank > 6) {
-      lineRank = 6;
-    } else if (lineRank < 1) {
-      lineRank = 1;
-    }
-    this.modifyLineInNote(
-      note,
-      noteLines[lineIndex]
-        .replace(headerStartReg, `<h${lineRank}>`)
-        .replace(headerStopReg, `</h${lineRank}>`),
-      lineIndex
-    );
-  }
-
-  moveHeaderLineInNote(
-    note: Zotero.Item,
-    currentNode: TreeModel.Node<object>,
-    targetNode: TreeModel.Node<object>,
-    as: "child" | "before" | "after"
-  ) {
-    note = note || this.getWorkspaceNote();
-    if (!note || targetNode.getPath().indexOf(currentNode) >= 0) {
-      return undefined;
-    }
-
-    let targetIndex = 0;
-    let targetRank = 1;
-
-    let lines = this.getLinesInNote(note);
-
-    if (as === "child") {
-      targetIndex = targetNode.model.endIndex;
-      targetRank = targetNode.model.rank === 6 ? 6 : targetNode.model.rank + 1;
-    } else if (as === "before") {
-      targetIndex = targetNode.model.lineIndex;
-      targetRank =
-        targetNode.model.rank === 7
-          ? targetNode.parent.model.rank === 6
-            ? 6
-            : targetNode.parent.model.rank + 1
-          : targetNode.model.rank;
-    } else if (as === "after") {
-      targetIndex = targetNode.model.endIndex;
-      targetRank =
-        targetNode.model.rank === 7
-          ? targetNode.parent.model.rank === 6
-            ? 6
-            : targetNode.parent.model.rank + 1
-          : targetNode.model.rank;
-    }
-
-    let rankChange = targetRank - currentNode.model.rank;
-
-    Zotero.debug(`move to ${targetIndex}`);
-
-    let movedLines = lines.splice(
-      currentNode.model.lineIndex,
-      currentNode.model.endIndex - currentNode.model.lineIndex
-    );
-
-    let headerReg = /<\/?h[1-6]>/g;
-    for (const i in movedLines) {
-      movedLines[i] = movedLines[i].replace(headerReg, (e) => {
-        let rank = parseInt(e.slice(-2, -1));
-        rank += rankChange;
-        if (rank > 6) {
-          rank = 6;
-        }
-        if (rank < 1) {
-          rank = 1;
-        }
-        return `${e.slice(0, -2)}${rank}>`;
-      });
-    }
-    let newLines = lines
-      .slice(0, targetIndex)
-      .concat(movedLines, lines.slice(targetIndex));
-    this.setLinesToNote(note, newLines);
-  }
-
-  getNoteTree(
-    note: Zotero.Item | undefined = undefined
-  ): TreeModel.Node<object> {
-    // See http://jnuno.com/tree-model-js
-    note = note || this.getWorkspaceNote();
-    if (!note) {
-      return undefined;
-    }
-    return this._Addon.parse.parseNoteTree(note);
-  }
-
-  getNoteTreeAsList(
-    note: Zotero.Item,
-    filterRoot: boolean = true,
-    filterLink: boolean = true
-  ): TreeModel.Node<object>[] {
-    note = note || this.getWorkspaceNote();
-    if (!note) {
-      return;
-    }
-    return this.getNoteTree(note).all(
-      (node) =>
-        (!filterRoot || node.model.lineIndex >= 0) &&
-        (!filterLink || node.model.rank <= 6)
-    );
-  }
-
-  getNoteTreeNodeById(
-    note: Zotero.Item,
-    id: number,
-    root: TreeModel.Node<object> = undefined
-  ) {
-    root = root || this.getNoteTree(note);
-    return root.first(function (node) {
-      return node.model.id === id;
-    });
-  }
-
-  getNoteTreeNodesByRank(
-    note: Zotero.Item,
-    rank: number,
-    root: TreeModel.Node<object> = undefined
-  ) {
-    root = root || this.getNoteTree(note);
-    return root.all(function (node) {
-      return node.model.rank === rank;
-    });
-  }
-
-  getLineParentNode(
-    note: Zotero.Item,
-    lineIndex: number = -1
-  ): TreeModel.Node<object> {
-    if (lineIndex < 0) {
-      lineIndex = this.currentLine[note.id];
-      lineIndex =
-        lineIndex && lineIndex >= 0
-          ? lineIndex
-          : this.getLinesInNote(note).length;
-    }
-    let nodes = this.getNoteTreeAsList(note);
-    if (!nodes.length || nodes[0].model.lineIndex > lineIndex) {
-      // There is no parent node
-      return undefined;
-    } else if (nodes[nodes.length - 1].model.lineIndex <= lineIndex) {
-      return nodes[nodes.length - 1];
-    } else {
-      for (let i = 0; i < nodes.length - 1; i++) {
-        if (
-          nodes[i].model.lineIndex <= lineIndex &&
-          nodes[i + 1].model.lineIndex > lineIndex
-        ) {
-          return nodes[i];
-        }
-      }
-    }
-  }
-
-  async scrollWithRefresh(lineIndex: number) {
-    await Zotero.Promise.delay(500);
-    let editorInstance = await this.getWorkspaceEditorInstance();
-    if (!editorInstance) {
-      return;
-    }
-    this._Addon.views.scrollToLine(editorInstance, lineIndex);
-  }
-
-  async exportNoteToFile(
-    note: Zotero.Item,
-    convertNoteLinks: boolean = true,
-    saveMD: boolean = true,
-    saveNote: boolean = false,
-    doCopy: boolean = false,
-    savePDF: boolean = false
-  ) {
-    if (!saveMD && !saveNote && !doCopy && !savePDF) {
-      return;
-    }
-    this._exportFileDict = [];
-
-    note = note || this.getWorkspaceNote();
-    let newNote: Zotero.Item;
-    if (convertNoteLinks || saveNote) {
-      const noteID = await ZoteroPane_Local.newNote();
-      newNote = Zotero.Items.get(noteID) as Zotero.Item;
-      const rootNoteIds = [note.id];
-
-      const convertResult = await this.convertNoteLines(
-        note,
-        rootNoteIds,
-        convertNoteLinks
-      );
-
-      await this.setLinesToNote(newNote, convertResult.lines);
-      Zotero.debug(convertResult.subNotes);
-
-      await Zotero.DB.executeTransaction(async () => {
-        await Zotero.Notes.copyEmbeddedImages(note, newNote);
-        for (const subNote of convertResult.subNotes) {
-          await Zotero.Notes.copyEmbeddedImages(subNote, newNote);
-        }
-      });
-    } else {
-      newNote = note;
-    }
-
-    if (saveMD) {
-      const filename = await pick(
-        Zotero.getString("fileInterface.export"),
-        "save",
-        [["MarkDown File(*.md)", "*.md"]],
-        `${newNote.getNoteTitle()}.md`
-      );
-      if (filename) {
-        this._exportPath =
-          Zotero.File.pathToFile(filename).parent.path + "/attachments";
-        // Convert to unix format
-        this._exportPath = this._exportPath.replace(/\\/g, "/");
-        await this._export(newNote, filename, false);
-      }
-    }
-    if (doCopy) {
-      if (!convertNoteLinks) {
-        Zotero_File_Interface.exportItemsToClipboard(
-          [newNote],
-          Zotero.Translators.TRANSLATOR_ID_MARKDOWN_AND_RICH_TEXT
-        );
-        this._Addon.views.showProgressWindow("Better Notes", "Note Copied");
-      } else {
-        alert(
-          "Select all in the new note window and copy-paste to other applications."
-        );
-        ZoteroPane.openNoteWindow(newNote.id);
-        alert(
-          "Waiting for paste finish...\nImages may not be copied correctly if OK is pressed before paste."
-        );
-      }
-    }
-    if (savePDF) {
-      console.log(newNote);
-      let _w: Window;
-      let t = 0;
-      this._pdfNoteId = newNote.id;
-      this._pdfPrintPromise = Zotero.Promise.defer();
-      ZoteroPane.selectItem(note.id);
-      do {
-        ZoteroPane.openNoteWindow(newNote.id);
-        _w = ZoteroPane.findNoteWindow(newNote.id);
-        console.log(_w);
-        await Zotero.Promise.delay(10);
-        t += 1;
-      } while (!_w && t < 500);
-      ZoteroPane.selectItem(note.id);
-      _w.resizeTo(900, 650);
-      const checkPrint = () => {
-        try {
-          const editor: any = _w.document.querySelector("#zotero-note-editor");
-          const instance: Zotero.EditorInstance = editor.getCurrentInstance();
-          console.log(instance._iframeWindow.document.title);
-          if (instance._iframeWindow.document.title === "Printed") {
-            this._pdfPrintPromise.resolve();
-            return;
-          }
-        } catch (e) {}
-        setTimeout(checkPrint, 300);
-      };
-      checkPrint();
-      await this._pdfPrintPromise.promise;
-      console.log("print finish detected");
-      const closeFlag = _w.confirm(
-        "Printing finished. Do you want to close the preview window?"
-      );
-      if (closeFlag) {
-        _w.close();
-      }
-    }
-    if (!saveNote) {
-      if (newNote.id !== note.id) {
-        const _w: Window = ZoteroPane.findNoteWindow(newNote.id);
-        if (_w) {
-          _w.close();
-        }
-        await Zotero.Items.erase(newNote.id);
-      }
-    } else {
-      ZoteroPane.openNoteWindow(newNote.id);
-    }
-  }
-
-  async exportNotesToFile(
-    notes: Zotero.Item[],
-    useEmbed: boolean,
-    useSync: boolean = false
-  ) {
-    Components.utils.import("resource://gre/modules/osfile.jsm");
-    this._exportFileDict = [];
-    const filepath = await pick(
-      Zotero.getString(useSync ? "sync.sync" : "fileInterface.export") +
-        " MarkDown",
-      "folder"
-    );
-
-    if (!filepath) {
-      return;
-    }
-
-    this._exportPath = Zotero.File.pathToFile(filepath).path + "/attachments";
-    // Convert to unix format
-    this._exportPath = this._exportPath.replace(/\\/g, "/");
-
-    notes = notes.filter((n) => n && n.getNote);
-
-    if (useEmbed) {
-      for (const note of notes) {
-        let newNote: Zotero.Item;
-        if (this._Addon.parse.parseLinkInText(note.getNote())) {
-          const noteID = await ZoteroPane_Local.newNote();
-          newNote = Zotero.Items.get(noteID) as Zotero.Item;
-          const rootNoteIds = [note.id];
-
-          const convertResult = await this.convertNoteLines(
-            note,
-            rootNoteIds,
-            true
-          );
-
-          await this.setLinesToNote(newNote, convertResult.lines);
-          Zotero.debug(convertResult.subNotes);
-
-          await Zotero.DB.executeTransaction(async () => {
-            await Zotero.Notes.copyEmbeddedImages(note, newNote);
-            for (const subNote of convertResult.subNotes) {
-              await Zotero.Notes.copyEmbeddedImages(subNote, newNote);
-            }
-          });
-        } else {
-          newNote = note;
-        }
-
-        let filename = `${
-          Zotero.File.pathToFile(filepath).path
-        }/${this._getFileName(note)}`;
-        filename = filename.replace(/\\/g, "/");
-
-        await this._export(newNote, filename, newNote.id !== note.id);
-      }
-    } else {
-      // Export every linked note as a markdown file
-      // Find all linked notes that need to be exported
-      let allNoteIds: number[] = notes.map((n) => n.id);
-      for (const note of notes) {
-        const linkMatches = note
-          .getNote()
-          .match(/zotero:\/\/note\/\w+\/\w+\//g);
-        if (!linkMatches) {
-          continue;
-        }
-        const subNoteIds = (
-          await Promise.all(
-            linkMatches.map(async (link) => this.getNoteFromLink(link))
-          )
-        )
-          .filter((res) => res.item)
-          .map((res) => res.item.id);
-        allNoteIds = allNoteIds.concat(subNoteIds);
-      }
-      allNoteIds = Array.from(new Set(allNoteIds));
-      const allNoteItems: Zotero.Item[] = Zotero.Items.get(
-        allNoteIds
-      ) as Zotero.Item[];
-      const noteLinkDict = allNoteItems.map((_note) => {
-        return {
-          link: this.getNoteLink(_note),
-          id: _note.id,
-          note: _note,
-          filename: this._getFileName(_note),
-        };
-      });
-      this._exportFileDict = noteLinkDict;
-
-      for (const noteInfo of noteLinkDict) {
-        let exportPath = `${Zotero.File.pathToFile(filepath).path}/${
-          noteInfo.filename
-        }`;
-        await this._export(noteInfo.note, exportPath, false);
-        if (useSync) {
-          this._Addon.sync.updateNoteSyncStatus(
-            noteInfo.note,
-            Zotero.File.pathToFile(filepath).path,
-            noteInfo.filename
-          );
-        }
-      }
-    }
-  }
-
-  async syncNotesToFile(notes: Zotero.Item[], filepath: string) {
-    this._exportPath = Zotero.File.pathToFile(filepath).path + "/attachments";
-    // Convert to unix format
-    this._exportPath = this._exportPath.replace(/\\/g, "/");
-
-    // Export every linked note as a markdown file
-    // Find all linked notes that need to be exported
-    let allNoteIds: number[] = notes.map((n) => n.id);
-    for (const note of notes) {
-      const linkMatches = note.getNote().match(/zotero:\/\/note\/\w+\/\w+\//g);
-      if (!linkMatches) {
-        continue;
-      }
-      const subNoteIds = (
-        await Promise.all(
-          linkMatches.map(async (link) => this.getNoteFromLink(link))
-        )
-      )
-        .filter((res) => res.item)
-        .map((res) => res.item.id);
-      allNoteIds = allNoteIds.concat(subNoteIds);
-    }
-    allNoteIds = new Array(...new Set(allNoteIds));
-    // console.log(allNoteIds);
-    const allNoteItems: Zotero.Item[] = Zotero.Items.get(
-      allNoteIds
-    ) as Zotero.Item[];
-    const noteLinkDict = allNoteItems.map((_note) => {
-      return {
-        link: this.getNoteLink(_note),
-        id: _note.id,
-        note: _note,
-        filename: this._getFileName(_note),
-      };
-    });
-    this._exportFileDict = noteLinkDict;
-
-    for (const note of notes) {
-      const syncInfo = this._Addon.sync.getNoteSyncStatus(note);
-      let exportPath = `${decodeURIComponent(
-        syncInfo.path
-      )}/${decodeURIComponent(syncInfo.filename)}`;
-      await this._export(note, exportPath, false);
-      this._Addon.sync.updateNoteSyncStatus(note);
-    }
-  }
-
-  private async _export(
-    note: Zotero.Item,
-    filename: string,
-    deleteAfterExport: boolean
-  ) {
-    const hasImage = note.getNote().includes("<img");
-    if (hasImage) {
-      await Zotero.File.createDirectoryIfMissingAsync(
-        OS.Path.join(...this._exportPath.split(/\//))
-      );
-    }
-
-    filename = filename.replace(/\\/g, "/");
-    filename = OS.Path.join(...filename.split(/\//));
-    if (!Zotero.isWin && filename.charAt(0) !== "/") {
-      filename = "/" + filename;
-    }
-    const content: string = await this._Addon.parse.parseNoteToMD(note);
-    console.log(
-      `Exporting MD file: ${filename}, content length: ${content.length}`
-    );
-    await Zotero.File.putContentsAsync(filename, content);
-    this._Addon.views.showProgressWindow(
-      "Better Notes",
-      `Note Saved to ${filename}`
-    );
-    if (deleteAfterExport) {
-      const _w: Window = ZoteroPane.findNoteWindow(note.id);
-      if (_w) {
-        _w.close();
-      }
-      await Zotero.Items.erase(note.id);
-    }
-  }
-
-  private _getFileName(noteItem: Zotero.Item) {
-    return (
-      this._Addon.template.renderTemplate("[ExportMDFileName]", "noteItem", [
-        noteItem,
-      ]) as string
-    ).replace(/\\/g, "-");
-  }
-
-  async convertNoteLines(
-    currentNote: Zotero.Item,
-    rootNoteIds: number[],
-    convertNoteLinks: boolean = true
-  ): Promise<{ lines: string[]; subNotes: Zotero.Item[] }> {
-    Zotero.debug(`convert note ${currentNote.id}`);
-
-    let subNotes: Zotero.Item[] = [];
-    const [..._rootNoteIds] = rootNoteIds;
-    _rootNoteIds.push(currentNote.id);
-
-    let newLines: string[] = [];
-    const noteLines = this.getLinesInNote(currentNote);
-    for (let i in noteLines) {
-      newLines.push(noteLines[i]);
-      // Convert Link
-      if (convertNoteLinks) {
-        let link = this._Addon.parse.parseLinkInText(noteLines[i]);
-        while (link) {
-          const linkIndex = noteLines[i].indexOf(link);
-          const params = this._Addon.parse.parseParamsFromLink(link);
-          if (
-            params.ignore ||
-            // Ignore links that are not in <a>
-            !noteLines[i].slice(linkIndex - 8, linkIndex).includes("href")
-          ) {
-            Zotero.debug("ignore link");
-            noteLines[i] = noteLines[i].substring(
-              noteLines[i].search(/zotero:\/\/note\//g)
-            );
-            noteLines[i] = noteLines[i].substring(
-              noteLines[i].search(/<\/a>/g) + "</a>".length
-            );
-            link = this._Addon.parse.parseLinkInText(noteLines[i]);
-            continue;
-          }
-          Zotero.debug("convert link");
-          let res = await this.getNoteFromLink(link);
-          const subNote = res.item;
-          if (subNote && _rootNoteIds.indexOf(subNote.id) === -1) {
-            Zotero.debug(`Knowledge4Zotero: Exporting sub-note ${link}`);
-            const convertResult = await this.convertNoteLines(
-              subNote,
-              _rootNoteIds,
-              convertNoteLinks
-            );
-            const subNoteLines = convertResult.lines;
-
-            const templateText = await this._Addon.template.renderTemplateAsync(
-              "[QuickImport]",
-              "subNoteLines, subNoteItem, noteItem",
-              [subNoteLines, subNote, currentNote]
-            );
-            newLines.push(templateText);
-            subNotes.push(subNote);
-            subNotes = subNotes.concat(convertResult.subNotes);
-          }
-          noteLines[i] = noteLines[i].substring(
-            noteLines[i].search(/zotero:\/\/note\//g)
-          );
-          noteLines[i] = noteLines[i].substring(
-            noteLines[i].search(/<\/a>/g) + "</a>".length
-          );
-          link = this._Addon.parse.parseLinkInText(noteLines[i]);
-        }
-      }
-    }
-    Zotero.debug(subNotes);
-    return { lines: newLines, subNotes: subNotes };
-  }
-
-  async getNoteFromLink(uri: string) {
-    const params = this._Addon.parse.parseParamsFromLink(uri);
-    if (!params.libraryID) {
-      return {
-        item: false,
-        infoText: "Library does not exist or access denied.",
-      };
-    }
-    Zotero.debug(params);
-    let item = await Zotero.Items.getByLibraryAndKeyAsync(
-      params.libraryID,
-      params.noteKey
-    );
-    if (!item || !item.isNote()) {
-      return {
-        item: false,
-        args: params,
-        infoText: "Note does not exist or is not a note.",
-      };
-    }
-    return {
-      item: item,
-      args: params,
-      infoText: "OK",
-    };
-  }
-}
-
-export default Knowledge;
diff --git a/src/module.ts b/src/module.ts
index adec849..3f5c7cb 100644
--- a/src/module.ts
+++ b/src/module.ts
@@ -1,6 +1,8 @@
+import Knowledge4Zotero from "./addon";
+
 class AddonBase {
-  protected _Addon: any;
-  constructor(parent: any) {
+  protected _Addon: Knowledge4Zotero;
+  constructor(parent: Knowledge4Zotero) {
     this._Addon = parent;
   }
 }
diff --git a/src/reader/annotationButton.ts b/src/reader/annotationButton.ts
new file mode 100644
index 0000000..710d34d
--- /dev/null
+++ b/src/reader/annotationButton.ts
@@ -0,0 +1,340 @@
+const CryptoJS = require("crypto-js");
+import Knowledge4Zotero from "../addon";
+import AddonBase from "../module";
+import { EditorMessage } from "../utils";
+
+class ReaderViews extends AddonBase {
+  icons: object;
+
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+    this.icons = {
+      createNote: `<svg t="1651630304116" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="14011" width="16" height="16"><path d="M791.30324 369.7c-5 5-6.2 12.7-2.8 18.9 17.5 31.9 27.4 68.5 27.4 107.4 0 56.2-20.7 107.6-54.9 147-4.5 5.1-5.1 12.6-1.8 18.4l39.2 67.9c3.3 5.7 9.6 8.7 16.1 7.8 6-0.8 12.1-1.2 18.3-1.2 70.1 0.5 128 59.7 127.1 129.7-0.9 69.7-57.4 125.9-127.1 126.4-70.9 0.5-128.9-57.1-128.9-128 0-38.1 16.7-72.3 43.1-95.8l-37-64c-4.2-7.3-13.3-10-20.9-6.4-29.3 14.2-62.3 22.2-97.2 22.2-26.7 0-52.3-4.7-76-13.2-7.3-2.6-15.4 0.3-19.3 7l-24.9 43.1c-3.1 5.4-2.8 12.1 0.8 17.2 15 21.2 23.7 47.1 23.5 75.1-0.7 69.5-57.5 126.2-127 126.8-71.6 0.6-129.8-57.7-129.1-129.4 0.8-69.7 58-126.5 127.8-126.6 12 0 23.7 1.6 34.8 4.7 7 2 14.5-1.1 18.2-7.4l21.7-37.6c3.7-6.4 2.5-14.6-2.9-19.6-33.6-31.2-57.5-72.6-67-119.2-1.5-7.5-8-12.9-15.7-12.9h-92c-6.9 0-13.1 4.5-15.2 11.1C232.80324 590.2 184.70324 627 128.00324 627 57.00324 627-0.49676 569.2 0.00324 498.1 0.40324 427.5 58.60324 370.3 129.20324 371c54.2 0.5 100.4 34.8 118.5 82.8C250.00324 460 256.00324 464 262.60324 464h94.1c7.6 0 14.2-5.3 15.7-12.7 11-54.2 41.5-101.3 84-133.6 6.4-4.9 8.2-13.8 4.2-20.8l-2.2-3.8c-3.5-6-10.3-9-17.1-7.7-8.8 1.8-18 2.7-27.4 2.5-69.5-1-126.9-60.1-126-129.6 0.9-70.3 58.4-126.9 129-126.3 69.3 0.6 126 57 127 126.2 0.4 31.6-10.6 60.7-29.3 83.2-4.3 5.2-5 12.5-1.6 18.3l6.6 11.4c3.6 6.2 10.8 9.3 17.7 7.5 17.5-4.4 35.8-6.7 54.6-6.7 52.3 0 100.4 17.9 138.6 48 6.4 5 15.5 4.5 21.2-1.2l24.2-24.2c4.7-4.7 6-11.8 3.3-17.8-7.3-16.1-11.3-34-11.3-52.8 0-70.7 57.3-128 128-128 70.6 0 128 57.4 128 128 0 70.7-57.3 128-128 128-20.7 0-40.2-4.9-57.5-13.6-6.2-3.1-13.7-2-18.7 2.9l-28.4 28.5z" p-id="14012" fill="#ffd400"></path></svg>`,
+      ocrTex: `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24"><defs><style>.cls-1{fill-opacity: 0;}.cls-2{fill:#ffd400;}</style></defs><rect class="cls-1" width="24" height="24"/><path class="cls-2" d="M9,7.1H2.33L2.14,9.56H2.4c.15-1.77.32-2.14,2-2.14a3.39,3.39,0,0,1,.59,0c.23,0,.23.16.23.41v5.77c0,.37,0,.53-1.15.53H3.61v.34c.45,0,1.56,0,2.06,0s1.64,0,2.09,0v-.34H7.32c-1.15,0-1.15-.16-1.15-.53V7.86c0-.22,0-.37.19-.41a3.9,3.9,0,0,1,.63,0c1.65,0,1.81.37,2,2.14h.27L9,7.1Z"/><path class="cls-2" d="M14.91,14.15h-.27c-.28,1.68-.53,2.48-2.41,2.48H10.78c-.52,0-.54-.08-.54-.44V13.27h1c1.06,0,1.19.35,1.19,1.28h.27v-2.9h-.27c0,.94-.13,1.28-1.19,1.28h-1V10.3c0-.36,0-.44.54-.44h1.41c1.68,0,2,.61,2.14,2.13h.27l-.3-2.46H8.14v.33H8.4c.84,0,.86.12.86.52v5.73c0,.4,0,.52-.86.52H8.14V17h6.31Z"/><path class="cls-2" d="M18.22,10.27l1.5-2.2a1.67,1.67,0,0,1,1.58-.71V7H18.69v.33c.44,0,.68.25.68.5a.37.37,0,0,1-.1.26L18,10,16.61,7.85a.46.46,0,0,1-.07-.16c0-.13.24-.32.7-.33V7c-.37,0-1.18,0-1.59,0s-1,0-1.43,0v.33h.21c.6,0,.81.08,1,.38l2,3-1.79,2.64a1.67,1.67,0,0,1-1.58.73v.34H16.7v-.34c-.5,0-.69-.31-.69-.51s0-.14.11-.26l1.55-2.3,1.73,2.62s.06.09.06.12-.24.32-.72.33v.34c.39,0,1.19,0,1.6,0s1,0,1.42,0v-.34h-.2c-.58,0-.81-.06-1-.4l-2.3-3.49Z"/></svg>`,
+    };
+  }
+
+  async addReaderAnnotationButton(reader: _ZoteroReaderInstance) {
+    if (!reader) {
+      return false;
+    }
+    await reader._initPromise;
+    let updateCount = 0;
+    const _document = reader._iframeWindow.document;
+    for (const moreButton of _document.getElementsByClassName("more")) {
+      if (moreButton.getAttribute("knowledgeinit") === "true") {
+        updateCount += 1;
+        continue;
+      }
+      moreButton.setAttribute("knowledgeinit", "true");
+      const createNoteButton = _document.createElement("div");
+      createNoteButton.setAttribute("style", "margin: 5px;");
+      createNoteButton.title = "Quick Note";
+      createNoteButton.innerHTML = this.icons["createNote"];
+
+      let annotationWrapper = moreButton;
+      while (!annotationWrapper.getAttribute("data-sidebar-annotation-id")) {
+        annotationWrapper = annotationWrapper.parentElement;
+      }
+      const itemKey = annotationWrapper.getAttribute(
+        "data-sidebar-annotation-id"
+      );
+      const libraryID = (Zotero.Items.get(reader.itemID) as Zotero.Item)
+        .libraryID;
+      const annotationItem = await Zotero.Items.getByLibraryAndKeyAsync(
+        libraryID,
+        itemKey
+      );
+
+      createNoteButton.addEventListener("click", async (e) => {
+        await this.createNoteFromAnnotation(annotationItem);
+        e.preventDefault();
+      });
+      createNoteButton.addEventListener("mouseover", (e: XUL.XULEvent) => {
+        createNoteButton.setAttribute(
+          "style",
+          "background: #F0F0F0; margin: 5px;"
+        );
+      });
+      createNoteButton.addEventListener("mouseout", (e: XUL.XULEvent) => {
+        createNoteButton.setAttribute("style", "margin: 5px;");
+      });
+      moreButton.before(createNoteButton);
+      if (annotationItem.annotationType === "image") {
+        // Image OCR
+        const ocrButton = _document.createElement("div");
+        ocrButton.setAttribute("style", "margin: 5px;");
+        ocrButton.innerHTML = this.icons["ocrTex"];
+        ocrButton.title = "OCR LaTex";
+        ocrButton.addEventListener("click", async (e) => {
+          await this.OCRImageAnnotation(
+            (
+              ocrButton.parentElement.parentElement
+                .nextSibling as HTMLImageElement
+            ).src,
+            annotationItem
+          );
+
+          e.preventDefault();
+        });
+        ocrButton.addEventListener("mouseover", (e: XUL.XULEvent) => {
+          ocrButton.setAttribute("style", "background: #F0F0F0; margin: 5px;");
+        });
+        ocrButton.addEventListener("mouseout", (e: XUL.XULEvent) => {
+          ocrButton.setAttribute("style", "margin: 5px;");
+        });
+        moreButton.before(ocrButton);
+      }
+      updateCount += 1;
+    }
+    return reader.annotationItemIDs.length === updateCount;
+  }
+
+  public async buildReaderAnnotationButtons() {
+    Zotero.debug("Knowledge4Zotero: buildReaderAnnotationButton");
+    for (const reader of Zotero.Reader._readers) {
+      Zotero.debug("reader found");
+      let t = 0;
+      while (t < 100 && !(await this.addReaderAnnotationButton(reader))) {
+        await Zotero.Promise.delay(50);
+        t += 1;
+      }
+    }
+  }
+
+  private async createNoteFromAnnotation(annotationItem: Zotero.Item) {
+    if (annotationItem.annotationComment) {
+      const text = annotationItem.annotationComment;
+      let link = this._Addon.NoteParse.parseLinkInText(text);
+
+      if (link) {
+        const note = (await this._Addon.NoteUtils.getNoteFromLink(link)).item;
+        if (note && note.id) {
+          await this._Addon.events.onEditorEvent(
+            new EditorMessage("onNoteLink", {
+              params: {
+                item: note,
+                infoText: "OK",
+              },
+            })
+          );
+          return;
+        }
+      }
+    }
+
+    const note: Zotero.Item = new Zotero.Item("note");
+    note.libraryID = annotationItem.libraryID;
+    note.parentID = annotationItem.parentItem.parentID;
+    await note.saveTx();
+
+    ZoteroPane.openNoteWindow(note.id);
+    let editorInstance: Zotero.EditorInstance =
+      this._Addon.WorkspaceWindow.getEditorInstance(note);
+    let t = 0;
+    // Wait for editor instance
+    while (t < 10 && !editorInstance) {
+      await Zotero.Promise.delay(500);
+      t += 1;
+      editorInstance = this._Addon.WorkspaceWindow.getEditorInstance(note);
+    }
+
+    const renderredTemplate =
+      await this._Addon.TemplateController.renderTemplateAsync(
+        "[QuickNoteV3]",
+        "annotationItem, topItem, noteItem",
+        [annotationItem, annotationItem.parentItem.parentItem, note]
+      );
+    await this._Addon.NoteUtils.addLineToNote(
+      note,
+      renderredTemplate,
+      0,
+      false,
+      "before"
+    );
+
+    const tags = annotationItem.getTags();
+    for (const tag of tags) {
+      note.addTag(tag.tag, tag.type);
+    }
+    await note.saveTx();
+
+    annotationItem.annotationComment = `${
+      annotationItem.annotationComment ? annotationItem.annotationComment : ""
+    }\nnote link: "${this._Addon.NoteUtils.getNoteLink(note)}"`;
+    await annotationItem.saveTx();
+  }
+
+  private async OCRImageAnnotation(src: string, annotationItem: Zotero.Item) {
+    /*
+        message.content = {
+          params: { src: string, annotationItem: Zotero.Item }
+        }
+      */
+    let result: string;
+    let success: boolean;
+    const engine = Zotero.Prefs.get("Knowledge4Zotero.OCREngine");
+    if (engine === "mathpix") {
+      const xhr = await Zotero.HTTP.request(
+        "POST",
+        "https://api.mathpix.com/v3/text",
+        {
+          headers: {
+            "Content-Type": "application/json; charset=utf-8",
+            app_id: Zotero.Prefs.get("Knowledge4Zotero.OCRMathpix.Appid"),
+            app_key: Zotero.Prefs.get("Knowledge4Zotero.OCRMathpix.Appkey"),
+          },
+          body: JSON.stringify({
+            src: src,
+            math_inline_delimiters: ["$", "$"],
+            math_display_delimiters: ["$$", "$$"],
+            rm_spaces: true,
+          }),
+          responseType: "json",
+        }
+      );
+      console.log(xhr);
+      if (xhr && xhr.status && xhr.status === 200 && xhr.response.text) {
+        result = xhr.response.text;
+        success = true;
+      } else {
+        result =
+          xhr.status === 200 ? xhr.response.error : `${xhr.status} Error`;
+        success = false;
+      }
+    } else if (engine === "xunfei") {
+      /**
+       * 1.Doc：https://www.xfyun.cn/doc/words/formula-discern/API.html
+       * 2.Error code：https://www.xfyun.cn/document/error-code
+       * @author iflytek
+       */
+
+      const config = {
+        hostUrl: "https://rest-api.xfyun.cn/v2/itr",
+        host: "rest-api.xfyun.cn",
+        appid: Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APPID"),
+        apiSecret: Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APISecret"),
+        apiKey: Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APIKey"),
+        uri: "/v2/itr",
+      };
+
+      let date = new Date().toUTCString();
+      let postBody = getPostBody();
+      let digest = getDigest(postBody);
+
+      const xhr = await Zotero.HTTP.request("POST", config.hostUrl, {
+        headers: {
+          "Content-Type": "application/json",
+          Accept: "application/json,version=1.0",
+          Host: config.host,
+          Date: date,
+          Digest: digest,
+          Authorization: getAuthStr(date, digest),
+        },
+        body: JSON.stringify(postBody),
+        responseType: "json",
+      });
+
+      if (xhr?.response?.code === 0) {
+        result = xhr.response.data.region
+          .filter((r) => r.type === "text")
+          .map((r) => r.recog.content)
+          .join(" ")
+          .replace(/ifly-latex-(begin)?(end)?/g, "$");
+        console.log(xhr);
+        success = true;
+      } else {
+        result =
+          xhr.status === 200
+            ? `${xhr.response.code} ${xhr.response.message}`
+            : `${xhr.status} Error`;
+        success = false;
+      }
+
+      function getPostBody() {
+        let digestObj = {
+          common: {
+            app_id: config.appid,
+          },
+          business: {
+            ent: "teach-photo-print",
+            aue: "raw",
+          },
+          data: {
+            image: src.split(",").pop(),
+          },
+        };
+        return digestObj;
+      }
+
+      function getDigest(body) {
+        return (
+          "SHA-256=" +
+          CryptoJS.enc.Base64.stringify(CryptoJS.SHA256(JSON.stringify(body)))
+        );
+      }
+
+      function getAuthStr(date, digest) {
+        let signatureOrigin = `host: ${config.host}\ndate: ${date}\nPOST ${config.uri} HTTP/1.1\ndigest: ${digest}`;
+        let signatureSha = CryptoJS.HmacSHA256(
+          signatureOrigin,
+          config.apiSecret
+        );
+        let signature = CryptoJS.enc.Base64.stringify(signatureSha);
+        let authorizationOrigin = `api_key="${config.apiKey}", algorithm="hmac-sha256", headers="host date request-line digest", signature="${signature}"`;
+        return authorizationOrigin;
+      }
+    } else if (engine === "bing") {
+      const xhr = await Zotero.HTTP.request(
+        "POST",
+        "https://www.bing.com/cameraexp/api/v1/getlatex",
+        {
+          headers: {
+            "Content-Type": "application/json",
+          },
+          body: JSON.stringify({
+            data: src.split(",").pop(),
+            inputForm: "Image",
+            clientInfo: { platform: "edge" },
+          }),
+          responseType: "json",
+        }
+      );
+      if (xhr && xhr.status && xhr.status === 200 && !xhr.response.isError) {
+        result = xhr.response.latex
+          ? `$${xhr.response.latex}$`
+          : xhr.response.ocrText;
+        success = true;
+      } else {
+        result =
+          xhr.status === 200
+            ? xhr.response.errorMessage
+            : `${xhr.status} Error`;
+        success = false;
+      }
+    } else {
+      result = "OCR Engine Not Found";
+      success = false;
+    }
+    if (success) {
+      annotationItem.annotationComment = `${
+        annotationItem.annotationComment
+          ? `${annotationItem.annotationComment}\n`
+          : ""
+      }${result}`;
+      await annotationItem.saveTx();
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes OCR",
+        `OCR Result: ${result}`
+      );
+    } else {
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes OCR",
+        result,
+        "fail"
+      );
+    }
+  }
+}
+
+export default ReaderViews;
diff --git a/src/sync.ts b/src/sync/syncController.ts
similarity index 55%
rename from src/sync.ts
rename to src/sync/syncController.ts
index 919eb4c..9ccade1 100644
--- a/src/sync.ts
+++ b/src/sync/syncController.ts
@@ -1,114 +1,20 @@
-import Knowledge4Zotero from "./addon";
-import AddonBase from "./module";
+import Knowledge4Zotero from "../addon";
+import AddonBase from "../module";
 
-class AddonSync extends AddonBase {
+class SyncController extends AddonBase {
   triggerTime: number;
-  private io: {
-    dataIn: any;
-    dataOut: any;
-    deferred?: typeof Promise;
-  };
-  private _window: Window;
+
   constructor(parent: Knowledge4Zotero) {
     super(parent);
   }
 
-  doLoad(_window: Window) {
-    if (this._window && !this._window.closed) {
-      this._window.close();
-    }
-    this._window = _window;
-    this.io = (this._window as unknown as XUL.XULWindow).arguments[0];
-    this.doUpdate();
-  }
-
-  doUpdate() {
-    const syncInfo = this.getNoteSyncStatus(this.io.dataIn);
-    const syncPathLable = this._window.document.getElementById(
-      "Knowledge4Zotero-sync-path"
-    );
-    const path = `${decodeURIComponent(syncInfo.path)}/${decodeURIComponent(
-      syncInfo.filename
-    )}`;
-
-    syncPathLable.setAttribute(
-      "value",
-      path.length > 50
-        ? `${path.slice(0, 25)}...${path.slice(path.length - 25)}`
-        : path
-    );
-    syncPathLable.setAttribute("tooltiptext", path);
-
-    const copyCbk = (event) => {
-      Zotero.Utilities.Internal.copyTextToClipboard(event.target.tooltipText);
-      this._Addon.views.showProgressWindow(
-        "Path Copied",
-        event.target.tooltipText
-      );
-    };
-    syncPathLable.removeEventListener("click", copyCbk);
-    syncPathLable.addEventListener("click", copyCbk);
-
-    let lastSync: string;
-    const lastSyncTime = Number(syncInfo.lastsync);
-    const currentTime = new Date().getTime();
-    if (currentTime - lastSyncTime <= 60000) {
-      lastSync = `${Math.round(
-        (currentTime - lastSyncTime) / 1000
-      )} seconds ago.`;
-    } else if (currentTime - lastSyncTime <= 3600000) {
-      lastSync = `${Math.round(
-        (currentTime - lastSyncTime) / 60000
-      )} minutes ago.`;
-    } else {
-      lastSync = new Date(lastSyncTime).toLocaleString();
-    }
-    this._window.document
-      .getElementById("Knowledge4Zotero-sync-lastsync")
-      .setAttribute("value", lastSync);
-    setTimeout(() => {
-      if (!this._window.closed) {
-        this.doUpdate();
-      }
-    }, 3000);
-  }
-
-  doUnload() {
-    this.io.deferred && this.io.deferred.resolve();
-  }
-
-  async doAccept() {
-    // Update Settings
-    let enable = (
-      this._window.document.getElementById(
-        "Knowledge4Zotero-sync-enable"
-      ) as XUL.Checkbox
-    ).checked;
-    if (!enable) {
-      const note = this.io.dataIn;
-      const allNoteIds = await this.getRelatedNoteIds(note);
-      const notes = Zotero.Items.get(allNoteIds) as Zotero.Item[];
-      for (const item of notes) {
-        await this.removeSyncNote(item);
-      }
-      this._Addon.views.showProgressWindow(
-        "Better Notes",
-        `Cancel sync of ${notes.length} notes.`
-      );
-    }
-  }
-  doExport() {
-    this.io.dataOut.export = true;
-    (this._window.document.querySelector("dialog") as any).acceptDialog();
-  }
-
   getSyncNoteIds(): number[] {
     const ids = Zotero.Prefs.get("Knowledge4Zotero.syncNoteIds") as string;
     return ids.split(",").map((id: string) => Number(id));
   }
 
   isSyncNote(note: Zotero.Item): boolean {
-    const syncNoteIds = this._Addon.sync.getSyncNoteIds();
+    const syncNoteIds = this.getSyncNoteIds();
     return syncNoteIds.includes(note.id);
   }
 
@@ -121,7 +27,7 @@ class AddonSync extends AddonBase {
     const subNoteIds = (
       await Promise.all(
         linkMatches.map(async (link) =>
-          this._Addon.knowledge.getNoteFromLink(link)
+          this._Addon.NoteUtils.getNoteFromLink(link)
         )
       )
     )
@@ -132,8 +38,8 @@ class AddonSync extends AddonBase {
     return allNoteIds;
   }
 
-  async getRelatedNoteIdsFromNotes(notes: Zotero.Item[]): Promise<Number[]> {
-    let allNoteIds: Number[] = [];
+  async getRelatedNoteIdsFromNotes(notes: Zotero.Item[]): Promise<number[]> {
+    let allNoteIds: number[] = [];
     for (const note of notes) {
       allNoteIds = allNoteIds.concat(await this.getRelatedNoteIds(note));
     }
@@ -222,7 +128,9 @@ class AddonSync extends AddonBase {
     items = items || (Zotero.Items.get(this.getSyncNoteIds()) as Zotero.Item[]);
     const toExport = {};
     const forceNoteIds = force
-      ? await this.getRelatedNoteIdsFromNotes(useIO ? [this.io.dataIn] : items)
+      ? await this.getRelatedNoteIdsFromNotes(
+          useIO ? [this._Addon.SyncInfoWindow.io.dataIn] : items
+        )
       : [];
     for (const item of items) {
       const syncInfo = this.getNoteSyncStatus(item);
@@ -242,12 +150,15 @@ class AddonSync extends AddonBase {
     }
     console.log(toExport);
     for (const filepath of Object.keys(toExport)) {
-      await this._Addon.knowledge.syncNotesToFile(toExport[filepath], filepath);
+      await this._Addon.NoteExport.syncNotesToFile(
+        toExport[filepath],
+        filepath
+      );
     }
-    if (this._window && !this._window.closed) {
-      this.doUpdate();
+    if (this._Addon.SyncInfoWindow._window && !this._Addon.SyncInfoWindow._window.closed) {
+      this._Addon.SyncInfoWindow.doUpdate();
     }
   }
 }
 
-export default AddonSync;
+export default SyncController;
diff --git a/src/sync/syncInfoWindow.ts b/src/sync/syncInfoWindow.ts
new file mode 100644
index 0000000..ca0b2cc
--- /dev/null
+++ b/src/sync/syncInfoWindow.ts
@@ -0,0 +1,110 @@
+import Knowledge4Zotero from "../addon";
+import AddonBase from "../module";
+
+class SyncInfoWindow extends AddonBase {
+  triggerTime: number;
+  public io: {
+    dataIn: any;
+    dataOut: any;
+    deferred?: typeof Promise;
+  };
+  public _window: Window;
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+  }
+
+  doLoad(_window: Window) {
+    if (this._window && !this._window.closed) {
+      this._window.close();
+    }
+    this._window = _window;
+    this.io = (this._window as unknown as XUL.XULWindow).arguments[0];
+    this.doUpdate();
+  }
+
+  doUpdate() {
+    const syncInfo = this._Addon.SyncController.getNoteSyncStatus(
+      this.io.dataIn
+    );
+    const syncPathLable = this._window.document.getElementById(
+      "Knowledge4Zotero-sync-path"
+    );
+    const path = `${decodeURIComponent(syncInfo.path)}/${decodeURIComponent(
+      syncInfo.filename
+    )}`;
+
+    syncPathLable.setAttribute(
+      "value",
+      path.length > 50
+        ? `${path.slice(0, 25)}...${path.slice(path.length - 25)}`
+        : path
+    );
+    syncPathLable.setAttribute("tooltiptext", path);
+
+    const copyCbk = (event) => {
+      Zotero.Utilities.Internal.copyTextToClipboard(event.target.tooltipText);
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Path Copied",
+        event.target.tooltipText
+      );
+    };
+    syncPathLable.removeEventListener("click", copyCbk);
+    syncPathLable.addEventListener("click", copyCbk);
+
+    let lastSync: string;
+    const lastSyncTime = Number(syncInfo.lastsync);
+    const currentTime = new Date().getTime();
+    if (currentTime - lastSyncTime <= 60000) {
+      lastSync = `${Math.round(
+        (currentTime - lastSyncTime) / 1000
+      )} seconds ago.`;
+    } else if (currentTime - lastSyncTime <= 3600000) {
+      lastSync = `${Math.round(
+        (currentTime - lastSyncTime) / 60000
+      )} minutes ago.`;
+    } else {
+      lastSync = new Date(lastSyncTime).toLocaleString();
+    }
+    this._window.document
+      .getElementById("Knowledge4Zotero-sync-lastsync")
+      .setAttribute("value", lastSync);
+    setTimeout(() => {
+      if (!this._window.closed) {
+        this.doUpdate();
+      }
+    }, 3000);
+  }
+
+  doUnload() {
+    this.io.deferred && this.io.deferred.resolve();
+  }
+
+  async doAccept() {
+    // Update Settings
+    let enable = (
+      this._window.document.getElementById(
+        "Knowledge4Zotero-sync-enable"
+      ) as XUL.Checkbox
+    ).checked;
+    if (!enable) {
+      const note = this.io.dataIn;
+      const allNoteIds = await this._Addon.SyncController.getRelatedNoteIds(
+        note
+      );
+      const notes = Zotero.Items.get(allNoteIds) as Zotero.Item[];
+      for (const item of notes) {
+        await this._Addon.SyncController.removeSyncNote(item);
+      }
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes",
+        `Cancel sync of ${notes.length} notes.`
+      );
+    }
+  }
+  doExport() {
+    this.io.dataOut.export = true;
+    (this._window.document.querySelector("dialog") as any).acceptDialog();
+  }
+}
+
+export default SyncInfoWindow;
diff --git a/src/syncList.ts b/src/sync/syncListWindow.ts
similarity index 88%
rename from src/syncList.ts
rename to src/sync/syncListWindow.ts
index 51e4b46..4db2e8f 100644
--- a/src/syncList.ts
+++ b/src/sync/syncListWindow.ts
@@ -1,7 +1,7 @@
-import Knowledge4Zotero from "./addon";
-import AddonBase from "./module";
+import Knowledge4Zotero from "../addon";
+import AddonBase from "../module";
 
-class AddonSyncList extends AddonBase {
+class SyncListWindow extends AddonBase {
   private _window: Window;
   constructor(parent: Knowledge4Zotero) {
     super(parent);
@@ -30,7 +30,7 @@ class AddonSyncList extends AddonBase {
       return;
     }
     const notes = Zotero.Items.get(
-      this._Addon.sync.getSyncNoteIds()
+      this._Addon.SyncController.getSyncNoteIds()
     ) as Zotero.Item[];
     const listbox = this._window.document.getElementById("sync-list");
     let e,
@@ -40,7 +40,7 @@ class AddonSyncList extends AddonBase {
       e.parentElement.removeChild(e);
     }
     for (const note of notes) {
-      const syncInfo = this._Addon.sync.getNoteSyncStatus(note);
+      const syncInfo = this._Addon.SyncController.getNoteSyncStatus(note);
       const listitem: XUL.ListItem =
         this._window.document.createElement("listitem");
       listitem.setAttribute("id", note.id);
@@ -119,7 +119,7 @@ class AddonSyncList extends AddonBase {
     if (selectedItems.length === 0) {
       return;
     }
-    await this._Addon.sync.doSync(selectedItems, true, false);
+    await this._Addon.SyncController.doSync(selectedItems, true, false);
     this.doUpdate();
   }
 
@@ -128,7 +128,7 @@ class AddonSyncList extends AddonBase {
     if (selectedItems.length === 0) {
       return;
     }
-    await this._Addon.knowledge.exportNotesToFile(selectedItems, false, true);
+    await this._Addon.NoteExport.exportNotesToFile(selectedItems, false, true);
     this.doUpdate();
   }
 
@@ -154,16 +154,16 @@ class AddonSyncList extends AddonBase {
       return;
     }
     if (this.useRelated()) {
-      let noteIds: number[] = await this._Addon.sync.getRelatedNoteIdsFromNotes(
+      let noteIds: number[] = await this._Addon.SyncController.getRelatedNoteIdsFromNotes(
         selectedItems
       );
       selectedItems = Zotero.Items.get(noteIds) as Zotero.Item[];
     }
     for (const note of selectedItems) {
-      await this._Addon.sync.removeSyncNote(note);
+      await this._Addon.SyncController.removeSyncNote(note);
     }
     this.doUpdate();
   }
 }
 
-export default AddonSyncList;
+export default SyncListWindow;
diff --git a/src/template.ts b/src/template/templateController.ts
similarity index 69%
rename from src/template.ts
rename to src/template/templateController.ts
index 0c8e11a..9fc3fd1 100644
--- a/src/template.ts
+++ b/src/template/templateController.ts
@@ -1,9 +1,8 @@
-import Knowledge4Zotero from "./addon";
-import { NoteTemplate } from "./base";
-import AddonBase from "./module";
+import Knowledge4Zotero from "../addon";
+import { NoteTemplate } from "../utils";
+import AddonBase from "../module";
 
-class AddonTemplate extends AddonBase {
-  private _window: Window;
+class TemplateController extends AddonBase {
   _systemTemplateNames: string[];
   _defaultTemplates: NoteTemplate[];
   constructor(parent: Knowledge4Zotero) {
@@ -12,7 +11,7 @@ class AddonTemplate extends AddonBase {
       "[QuickInsert]",
       "[QuickBackLink]",
       "[QuickImport]",
-      "[QuickNoteV2]",
+      "[QuickNoteV3]",
       "[ExportMDFileName]",
     ];
     this._defaultTemplates = [
@@ -32,8 +31,8 @@ class AddonTemplate extends AddonBase {
         disabled: false,
       },
       {
-        name: "[QuickNoteV2]",
-        text: '${await new Promise(async (r) => {\nlet res = ""\nif(annotationItem.annotationComment){\nres += Zotero.Knowledge4Zotero.parse.parseMDToHTML(annotationItem.annotationComment);\n}\nres += await Zotero.Knowledge4Zotero.parse.parseAnnotationHTML(noteItem, [annotationItem], true);\nr(res);})}',
+        name: "[QuickNoteV3]",
+        text: '${await new Promise(async (r) => {\nlet res = ""\nif(annotationItem.annotationComment){\nres += Zotero.Knowledge4Zotero.NoteParse.parseMDToHTML(annotationItem.annotationComment);\n}\nres += await Zotero.Knowledge4Zotero.NoteParse.parseAnnotationHTML(noteItem, [annotationItem], true);\nr(res);})}',
         disabled: false,
       },
       {
@@ -69,248 +68,6 @@ class AddonTemplate extends AddonBase {
     ];
   }
 
-  openEditor() {
-    if (this._window && !this._window.closed) {
-      this._window.focus();
-    } else {
-      window.open(
-        "chrome://Knowledge4Zotero/content/template.xul",
-        "_blank",
-        "chrome,extrachrome,centerscreen,width=800,height=400,resizable=yes"
-      );
-    }
-  }
-
-  initTemplates(_window: Window) {
-    this._window = _window;
-    this.updateTemplateView();
-  }
-
-  resetTemplates() {
-    let oldTemplatesRaw: string = Zotero.Prefs.get(
-      "Knowledge4Zotero.noteTemplate"
-    ) as string;
-    // Convert old version
-    if (oldTemplatesRaw) {
-      const templates: NoteTemplate[] = JSON.parse(oldTemplatesRaw);
-      for (const template of templates) {
-        this.setTemplate(template);
-      }
-      Zotero.Prefs.clear("Knowledge4Zotero.noteTemplate");
-    }
-    // Convert buggy template
-    if (!this.getTemplateText("[QuickBackLink]").includes("ignore=1")) {
-      this.setTemplate(
-        this._defaultTemplates.find((t) => t.name === "[QuickBackLink]")
-      );
-      this._Addon.views.showProgressWindow(
-        "Better Notes",
-        "The [QuickBackLink] is reset because of missing ignore=1 in link."
-      );
-    }
-    let templateKeys = this.getTemplateKeys();
-    const currentNames = templateKeys.map((t) => t.name);
-    for (const defaultTemplate of this._defaultTemplates) {
-      if (!currentNames.includes(defaultTemplate.name)) {
-        this.setTemplate(defaultTemplate);
-      }
-    }
-  }
-
-  getCitationStyle(): Object {
-    let format = Zotero.Prefs.get("Knowledge4Zotero.citeFormat") as string;
-    try {
-      if (format) {
-        format = JSON.parse(format);
-      } else {
-        throw Error("format not initialized");
-      }
-    } catch (e) {
-      format = Zotero.QuickCopy.getFormatFromURL(
-        Zotero.QuickCopy.lastActiveURL
-      );
-      format = Zotero.QuickCopy.unserializeSetting(format);
-      Zotero.Prefs.set("Knowledge4Zotero.citeFormat", JSON.stringify(format));
-    }
-    return format;
-  }
-
-  getSelectedTemplateName(): string {
-    const listbox: XUL.ListItem =
-      this._window.document.getElementById("template-list");
-    const selectedItem = listbox.selectedItem;
-    if (selectedItem) {
-      const name = selectedItem.getAttribute("id");
-      return name;
-    }
-    return "";
-  }
-
-  updateTemplateView() {
-    const templates = this.getTemplateKeys();
-    const listbox = this._window.document.getElementById("template-list");
-    let e,
-      es = this._window.document.getElementsByTagName("listitem");
-    while (es.length > 0) {
-      e = es[0];
-      e.parentElement.removeChild(e);
-    }
-    for (const template of templates) {
-      const listitem = this._window.document.createElement("listitem");
-      listitem.setAttribute("id", template.name);
-      const name = this._window.document.createElement("listcell");
-      name.setAttribute("label", template.name);
-      if (this._systemTemplateNames.includes(template.name)) {
-        listitem.style.color = "#f2ac46";
-      }
-      listitem.append(name);
-      listbox.append(listitem);
-    }
-    this.updateEditorView();
-  }
-
-  updateEditorView() {
-    Zotero.debug("update editor");
-    console.log("update editor");
-    const name = this.getSelectedTemplateName();
-    const templateText = this.getTemplateText(name);
-
-    const header: XUL.Textbox =
-      this._window.document.getElementById("editor-name");
-    const text: XUL.Textbox =
-      this._window.document.getElementById("editor-textbox");
-    const saveTemplate = this._window.document.getElementById("save-template");
-    const deleteTemplate =
-      this._window.document.getElementById("delete-template");
-    const resetTemplate =
-      this._window.document.getElementById("reset-template");
-    if (!name) {
-      header.value = "";
-      header.setAttribute("disabled", "true");
-      text.value = "";
-      text.setAttribute("disabled", "true");
-      saveTemplate.setAttribute("disabled", "true");
-      deleteTemplate.setAttribute("disabled", "true");
-      deleteTemplate.hidden = false;
-      resetTemplate.hidden = true;
-    } else {
-      header.value = name;
-      if (!this._systemTemplateNames.includes(name)) {
-        header.removeAttribute("disabled");
-        deleteTemplate.hidden = false;
-        resetTemplate.hidden = true;
-      } else {
-        header.setAttribute("disabled", "true");
-        deleteTemplate.setAttribute("disabled", "true");
-        deleteTemplate.hidden = true;
-        resetTemplate.hidden = false;
-      }
-      text.value = templateText;
-      text.removeAttribute("disabled");
-      saveTemplate.removeAttribute("disabled");
-      deleteTemplate.removeAttribute("disabled");
-    }
-  }
-
-  createTemplate() {
-    const template: NoteTemplate = {
-      name: `New Template: ${new Date().getTime()}`,
-      text: "",
-      disabled: false,
-    };
-    this.setTemplate(template);
-    this.updateTemplateView();
-  }
-
-  async importNoteTemplate() {
-    const io = {
-      // Not working
-      singleSelection: true,
-      dataIn: null,
-      dataOut: null,
-      deferred: Zotero.Promise.defer(),
-    };
-
-    (window as unknown as XUL.XULWindow).openDialog(
-      "chrome://zotero/content/selectItemsDialog.xul",
-      "",
-      "chrome,dialog=no,centerscreen,resizable=yes",
-      io
-    );
-    await io.deferred.promise;
-
-    const ids = io.dataOut;
-    const note: Zotero.Item = (Zotero.Items.get(ids) as Zotero.Item[]).filter(
-      (item: Zotero.Item) => item.isNote()
-    )[0];
-    if (!note) {
-      return;
-    }
-    const template: NoteTemplate = {
-      name: `Template from ${note.getNoteTitle()}: ${new Date().getTime()}`,
-      text: note.getNote(),
-      disabled: false,
-    };
-    this.setTemplate(template);
-    this.updateTemplateView();
-  }
-
-  saveSelectedTemplate() {
-    const name = this.getSelectedTemplateName();
-    const header: XUL.Textbox =
-      this._window.document.getElementById("editor-name");
-    const text: XUL.Textbox =
-      this._window.document.getElementById("editor-textbox");
-
-    if (this._systemTemplateNames.includes(name) && header.value !== name) {
-      this._Addon.views.showProgressWindow(
-        "Better Notes",
-        `Template ${name} is a system template. Modifying template name is not allowed.`
-      );
-      return;
-    }
-
-    const template = this.getTemplateKey(name);
-    template.name = header.value;
-    template.text = text.value;
-    this.setTemplate(template);
-    if (name !== template.name) {
-      this.removeTemplate(name);
-    }
-    this._Addon.views.showProgressWindow(
-      "Better Notes",
-      `Template ${template.name} saved.`
-    );
-
-    this.updateTemplateView();
-  }
-
-  deleteSelectedTemplate() {
-    const name = this.getSelectedTemplateName();
-    if (this._systemTemplateNames.includes(name)) {
-      this._Addon.views.showProgressWindow(
-        "Better Notes",
-        `Template ${name} is a system template. Removing system template is note allowed.`
-      );
-      return;
-    }
-    this.removeTemplate(name);
-    this.updateTemplateView();
-  }
-
-  resetSelectedTemplate() {
-    const name = this.getSelectedTemplateName();
-    if (this._systemTemplateNames.includes(name)) {
-      const text: XUL.Textbox =
-        this._window.document.getElementById("editor-textbox");
-      text.value = this._defaultTemplates.find((t) => t.name === name).text;
-      this._Addon.views.showProgressWindow(
-        "Better Notes",
-        `Template ${name} is reset. Please save before leaving.`
-      );
-    }
-  }
-
   renderTemplate(
     key: string,
     argString: string = "",
@@ -468,6 +225,97 @@ class AddonTemplate extends AddonBase {
     this.removeTemplateKey(keyName);
     Zotero.Prefs.clear(`Knowledge4Zotero.template.${keyName}`);
   }
+
+  resetTemplates() {
+    let oldTemplatesRaw: string = Zotero.Prefs.get(
+      "Knowledge4Zotero.noteTemplate"
+    ) as string;
+    // Convert old version
+    if (oldTemplatesRaw) {
+      const templates: NoteTemplate[] = JSON.parse(oldTemplatesRaw);
+      for (const template of templates) {
+        this._Addon.TemplateController.setTemplate(template);
+      }
+      Zotero.Prefs.clear("Knowledge4Zotero.noteTemplate");
+    }
+    // Convert buggy template
+    if (
+      !this._Addon.TemplateController.getTemplateText(
+        "[QuickBackLink]"
+      ).includes("ignore=1")
+    ) {
+      this._Addon.TemplateController.setTemplate(
+        this._Addon.TemplateController._defaultTemplates.find(
+          (t) => t.name === "[QuickBackLink]"
+        )
+      );
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes",
+        "The [QuickBackLink] is reset because of missing ignore=1 in link."
+      );
+    }
+    let templateKeys = this._Addon.TemplateController.getTemplateKeys();
+    const currentNames = templateKeys.map((t) => t.name);
+    for (const defaultTemplate of this._Addon.TemplateController
+      ._defaultTemplates) {
+      if (!currentNames.includes(defaultTemplate.name)) {
+        this._Addon.TemplateController.setTemplate(defaultTemplate);
+      }
+    }
+  }
+
+  getCitationStyle(): {
+    mode: string;
+    contentType: string;
+    id: string;
+    locale: string;
+  } {
+    let format = Zotero.Prefs.get("Knowledge4Zotero.citeFormat") as string;
+    try {
+      if (format) {
+        format = JSON.parse(format);
+      } else {
+        throw Error("format not initialized");
+      }
+    } catch (e) {
+      format = Zotero.QuickCopy.getFormatFromURL(
+        Zotero.QuickCopy.lastActiveURL
+      );
+      format = Zotero.QuickCopy.unserializeSetting(format);
+      Zotero.Prefs.set("Knowledge4Zotero.citeFormat", JSON.stringify(format));
+    }
+    return format as any;
+  }
 }
 
-export default AddonTemplate;
+/*
+ * This part is for the template usage only
+ * to keep API consistency
+ */
+class TemplateAPI extends AddonBase {
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+  }
+
+  public getNoteLink(
+    note: Zotero.Item,
+    options: {
+      ignore?: boolean;
+      withLine?: boolean;
+    } = { ignore: false, withLine: false }
+  ) {
+    return this._Addon.NoteUtils.getNoteLink(note, options);
+  }
+
+  public async getWorkspaceEditorInstance(
+    type: "main" | "preview" = "main",
+    wait: boolean = true
+  ) {
+    return await this._Addon.WorkspaceWindow.getWorkspaceEditorInstance(
+      type,
+      wait
+    );
+  }
+}
+
+export { TemplateController, TemplateAPI };
diff --git a/src/template/templateWindow.ts b/src/template/templateWindow.ts
new file mode 100644
index 0000000..c5df2e4
--- /dev/null
+++ b/src/template/templateWindow.ts
@@ -0,0 +1,214 @@
+import Knowledge4Zotero from "../addon";
+import { NoteTemplate } from "../utils";
+import AddonBase from "../module";
+
+class TemplateWindow extends AddonBase {
+  private _window: Window;
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+  }
+
+  openEditor() {
+    if (this._window && !this._window.closed) {
+      this._window.focus();
+    } else {
+      window.open(
+        "chrome://Knowledge4Zotero/content/template.xul",
+        "_blank",
+        "chrome,extrachrome,centerscreen,width=800,height=400,resizable=yes"
+      );
+    }
+  }
+
+  initTemplates(_window: Window) {
+    this._window = _window;
+    this.updateTemplateView();
+  }
+
+  getSelectedTemplateName(): string {
+    const listbox: XUL.ListItem =
+      this._window.document.getElementById("template-list");
+    const selectedItem = listbox.selectedItem;
+    if (selectedItem) {
+      const name = selectedItem.getAttribute("id");
+      return name;
+    }
+    return "";
+  }
+
+  updateTemplateView() {
+    const templates = this._Addon.TemplateController.getTemplateKeys();
+    const listbox = this._window.document.getElementById("template-list");
+    let e,
+      es = this._window.document.getElementsByTagName("listitem");
+    while (es.length > 0) {
+      e = es[0];
+      e.parentElement.removeChild(e);
+    }
+    for (const template of templates) {
+      const listitem = this._window.document.createElement("listitem");
+      listitem.setAttribute("id", template.name);
+      const name = this._window.document.createElement("listcell");
+      name.setAttribute("label", template.name);
+      if (
+        this._Addon.TemplateController._systemTemplateNames.includes(
+          template.name
+        )
+      ) {
+        listitem.style.color = "#f2ac46";
+      }
+      listitem.append(name);
+      listbox.append(listitem);
+    }
+    this.updateEditorView();
+  }
+
+  updateEditorView() {
+    Zotero.debug("update editor");
+    console.log("update editor");
+    const name = this.getSelectedTemplateName();
+    const templateText = this._Addon.TemplateController.getTemplateText(name);
+
+    const header: XUL.Textbox =
+      this._window.document.getElementById("editor-name");
+    const text: XUL.Textbox =
+      this._window.document.getElementById("editor-textbox");
+    const saveTemplate = this._window.document.getElementById("save-template");
+    const deleteTemplate =
+      this._window.document.getElementById("delete-template");
+    const resetTemplate =
+      this._window.document.getElementById("reset-template");
+    if (!name) {
+      header.value = "";
+      header.setAttribute("disabled", "true");
+      text.value = "";
+      text.setAttribute("disabled", "true");
+      saveTemplate.setAttribute("disabled", "true");
+      deleteTemplate.setAttribute("disabled", "true");
+      deleteTemplate.hidden = false;
+      resetTemplate.hidden = true;
+    } else {
+      header.value = name;
+      if (!this._Addon.TemplateController._systemTemplateNames.includes(name)) {
+        header.removeAttribute("disabled");
+        deleteTemplate.hidden = false;
+        resetTemplate.hidden = true;
+      } else {
+        header.setAttribute("disabled", "true");
+        deleteTemplate.setAttribute("disabled", "true");
+        deleteTemplate.hidden = true;
+        resetTemplate.hidden = false;
+      }
+      text.value = templateText;
+      text.removeAttribute("disabled");
+      saveTemplate.removeAttribute("disabled");
+      deleteTemplate.removeAttribute("disabled");
+    }
+  }
+
+  createTemplate() {
+    const template: NoteTemplate = {
+      name: `New Template: ${new Date().getTime()}`,
+      text: "",
+      disabled: false,
+    };
+    this._Addon.TemplateController.setTemplate(template);
+    this.updateTemplateView();
+  }
+
+  async importNoteTemplate() {
+    const io = {
+      // Not working
+      singleSelection: true,
+      dataIn: null,
+      dataOut: null,
+      deferred: Zotero.Promise.defer(),
+    };
+
+    (window as unknown as XUL.XULWindow).openDialog(
+      "chrome://zotero/content/selectItemsDialog.xul",
+      "",
+      "chrome,dialog=no,centerscreen,resizable=yes",
+      io
+    );
+    await io.deferred.promise;
+
+    const ids = io.dataOut;
+    const note: Zotero.Item = (Zotero.Items.get(ids) as Zotero.Item[]).filter(
+      (item: Zotero.Item) => item.isNote()
+    )[0];
+    if (!note) {
+      return;
+    }
+    const template: NoteTemplate = {
+      name: `Template from ${note.getNoteTitle()}: ${new Date().getTime()}`,
+      text: note.getNote(),
+      disabled: false,
+    };
+    this._Addon.TemplateController.setTemplate(template);
+    this.updateTemplateView();
+  }
+
+  saveSelectedTemplate() {
+    const name = this.getSelectedTemplateName();
+    const header: XUL.Textbox =
+      this._window.document.getElementById("editor-name");
+    const text: XUL.Textbox =
+      this._window.document.getElementById("editor-textbox");
+
+    if (
+      this._Addon.TemplateController._systemTemplateNames.includes(name) &&
+      header.value !== name
+    ) {
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes",
+        `Template ${name} is a system template. Modifying template name is not allowed.`
+      );
+      return;
+    }
+
+    const template = this._Addon.TemplateController.getTemplateKey(name);
+    template.name = header.value;
+    template.text = text.value;
+    this._Addon.TemplateController.setTemplate(template);
+    if (name !== template.name) {
+      this._Addon.TemplateController.removeTemplate(name);
+    }
+    this._Addon.ZoteroViews.showProgressWindow(
+      "Better Notes",
+      `Template ${template.name} saved.`
+    );
+
+    this.updateTemplateView();
+  }
+
+  deleteSelectedTemplate() {
+    const name = this.getSelectedTemplateName();
+    if (this._Addon.TemplateController._systemTemplateNames.includes(name)) {
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes",
+        `Template ${name} is a system template. Removing system template is note allowed.`
+      );
+      return;
+    }
+    this._Addon.TemplateController.removeTemplate(name);
+    this.updateTemplateView();
+  }
+
+  resetSelectedTemplate() {
+    const name = this.getSelectedTemplateName();
+    if (this._Addon.TemplateController._systemTemplateNames.includes(name)) {
+      const text: XUL.Textbox =
+        this._window.document.getElementById("editor-textbox");
+      text.value = this._Addon.TemplateController._defaultTemplates.find(
+        (t) => t.name === name
+      ).text;
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes",
+        `Template ${name} is reset. Please save before leaving.`
+      );
+    }
+  }
+}
+
+export default TemplateWindow;
diff --git a/src/treemodel.js b/src/treemodel.js
deleted file mode 100644
index 140e5bf..0000000
--- a/src/treemodel.js
+++ /dev/null
@@ -1,291 +0,0 @@
-var mergeSort, findInsertIndex;
-mergeSort = require('mergesort');
-findInsertIndex = require('find-insert-index');
-
-module.exports = (function () {
-  'use strict';
-
-  var walkStrategies;
-
-  walkStrategies = {};
-
-  function k(result) {
-    return function () {
-      return result;
-    };
-  }
-
-  function TreeModel(config) {
-    config = config || {};
-    this.config = config;
-    this.config.childrenPropertyName = config.childrenPropertyName || 'children';
-    this.config.modelComparatorFn = config.modelComparatorFn;
-  }
-
-  function addChildToNode(node, child) {
-    child.parent = node;
-    node.children.push(child);
-    return child;
-  }
-
-  function Node(config, model) {
-    this.config = config;
-    this.model = model;
-    this.children = [];
-  }
-
-  TreeModel.prototype.parse = function (model) {
-    var i, childCount, node;
-
-    // if (!(model instanceof Object)) {
-    //   throw new TypeError('Model must be of type object.');
-    // }
-
-    node = new Node(this.config, model);
-    if (model[this.config.childrenPropertyName] instanceof Array) {
-      if (this.config.modelComparatorFn) {
-        model[this.config.childrenPropertyName] = mergeSort(
-          this.config.modelComparatorFn,
-          model[this.config.childrenPropertyName]);
-      }
-      for (i = 0, childCount = model[this.config.childrenPropertyName].length; i < childCount; i++) {
-        addChildToNode(node, this.parse(model[this.config.childrenPropertyName][i]));
-      }
-    }
-    return node;
-  };
-
-  function hasComparatorFunction(node) {
-    return typeof node.config.modelComparatorFn === 'function';
-  }
-
-  Node.prototype.isRoot = function () {
-    return this.parent === undefined;
-  };
-
-  Node.prototype.hasChildren = function () {
-    return this.children.length > 0;
-  };
-
-  function addChild(self, child, insertIndex) {
-    var index;
-
-    if (!(child instanceof Node)) {
-      throw new TypeError('Child must be of type Node.');
-    }
-
-    child.parent = self;
-    if (!(self.model[self.config.childrenPropertyName] instanceof Array)) {
-      self.model[self.config.childrenPropertyName] = [];
-    }
-
-    if (hasComparatorFunction(self)) {
-      // Find the index to insert the child
-      index = findInsertIndex(
-        self.config.modelComparatorFn,
-        self.model[self.config.childrenPropertyName],
-        child.model);
-
-      // Add to the model children
-      self.model[self.config.childrenPropertyName].splice(index, 0, child.model);
-
-      // Add to the node children
-      self.children.splice(index, 0, child);
-    } else {
-      if (insertIndex === undefined) {
-        self.model[self.config.childrenPropertyName].push(child.model);
-        self.children.push(child);
-      } else {
-        if (insertIndex < 0 || insertIndex > self.children.length) {
-          throw new Error('Invalid index.');
-        }
-        self.model[self.config.childrenPropertyName].splice(insertIndex, 0, child.model);
-        self.children.splice(insertIndex, 0, child);
-      }
-    }
-    return child;
-  }
-
-  Node.prototype.addChild = function (child) {
-    return addChild(this, child);
-  };
-
-  Node.prototype.addChildAtIndex = function (child, index) {
-    if (hasComparatorFunction(this)) {
-      throw new Error('Cannot add child at index when using a comparator function.');
-    }
-
-    return addChild(this, child, index);
-  };
-
-  Node.prototype.setIndex = function (index) {
-    if (hasComparatorFunction(this)) {
-      throw new Error('Cannot set node index when using a comparator function.');
-    }
-
-    if (this.isRoot()) {
-      if (index === 0) {
-        return this;
-      }
-      throw new Error('Invalid index.');
-    }
-
-    if (index < 0 || index >= this.parent.children.length) {
-      throw new Error('Invalid index.');
-    }
-
-    var oldIndex = this.parent.children.indexOf(this);
-
-    this.parent.children.splice(index, 0, this.parent.children.splice(oldIndex, 1)[0]);
-
-    this.parent.model[this.parent.config.childrenPropertyName]
-      .splice(index, 0, this.parent.model[this.parent.config.childrenPropertyName].splice(oldIndex, 1)[0]);
-
-    return this;
-  };
-
-  Node.prototype.getPath = function () {
-    var path = [];
-    (function addToPath(node) {
-      path.unshift(node);
-      if (!node.isRoot()) {
-        addToPath(node.parent);
-      }
-    })(this);
-    return path;
-  };
-
-  Node.prototype.getIndex = function () {
-    if (this.isRoot()) {
-      return 0;
-    }
-    return this.parent.children.indexOf(this);
-  };
-
-  /**
-   * Parse the arguments of traversal functions. These functions can take one optional
-   * first argument which is an options object. If present, this object will be stored
-   * in args.options. The only mandatory argument is the callback function which can
-   * appear in the first or second position (if an options object is given). This
-   * function will be saved to args.fn. The last optional argument is the context on
-   * which the callback function will be called. It will be available in args.ctx.
-   *
-   * @returns Parsed arguments.
-   */
-  function parseArgs() {
-    var args = {};
-    if (arguments.length === 1) {
-      if (typeof arguments[0] === 'function') {
-        args.fn = arguments[0];
-      } else {
-        args.options = arguments[0];
-      }
-    } else if (arguments.length === 2) {
-      if (typeof arguments[0] === 'function') {
-        args.fn = arguments[0];
-        args.ctx = arguments[1];
-      } else {
-        args.options = arguments[0];
-        args.fn = arguments[1];
-      }
-    } else {
-      args.options = arguments[0];
-      args.fn = arguments[1];
-      args.ctx = arguments[2];
-    }
-    args.options = args.options || {};
-    if (!args.options.strategy) {
-      args.options.strategy = 'pre';
-    }
-    if (!walkStrategies[args.options.strategy]) {
-      throw new Error('Unknown tree walk strategy. Valid strategies are \'pre\' [default], \'post\' and \'breadth\'.');
-    }
-    return args;
-  }
-
-  Node.prototype.walk = function () {
-    var args;
-    args = parseArgs.apply(this, arguments);
-    walkStrategies[args.options.strategy].call(this, args.fn, args.ctx);
-  };
-
-  walkStrategies.pre = function depthFirstPreOrder(callback, context) {
-    var i, childCount, keepGoing;
-    keepGoing = callback.call(context, this);
-    for (i = 0, childCount = this.children.length; i < childCount; i++) {
-      if (keepGoing === false) {
-        return false;
-      }
-      keepGoing = depthFirstPreOrder.call(this.children[i], callback, context);
-    }
-    return keepGoing;
-  };
-
-  walkStrategies.post = function depthFirstPostOrder(callback, context) {
-    var i, childCount, keepGoing;
-    for (i = 0, childCount = this.children.length; i < childCount; i++) {
-      keepGoing = depthFirstPostOrder.call(this.children[i], callback, context);
-      if (keepGoing === false) {
-        return false;
-      }
-    }
-    keepGoing = callback.call(context, this);
-    return keepGoing;
-  };
-
-  walkStrategies.breadth = function breadthFirst(callback, context) {
-    var queue = [this];
-    (function processQueue() {
-      var i, childCount, node;
-      if (queue.length === 0) {
-        return;
-      }
-      node = queue.shift();
-      for (i = 0, childCount = node.children.length; i < childCount; i++) {
-        queue.push(node.children[i]);
-      }
-      if (callback.call(context, node) !== false) {
-        processQueue();
-      }
-    })();
-  };
-
-  Node.prototype.all = function () {
-    var args, all = [];
-    args = parseArgs.apply(this, arguments);
-    args.fn = args.fn || k(true);
-    walkStrategies[args.options.strategy].call(this, function (node) {
-      if (args.fn.call(args.ctx, node)) {
-        all.push(node);
-      }
-    }, args.ctx);
-    return all;
-  };
-
-  Node.prototype.first = function () {
-    var args, first;
-    args = parseArgs.apply(this, arguments);
-    args.fn = args.fn || k(true);
-    walkStrategies[args.options.strategy].call(this, function (node) {
-      if (args.fn.call(args.ctx, node)) {
-        first = node;
-        return false;
-      }
-    }, args.ctx);
-    return first;
-  };
-
-  Node.prototype.drop = function () {
-    var indexOfChild;
-    if (!this.isRoot()) {
-      indexOfChild = this.parent.children.indexOf(this);
-      this.parent.children.splice(indexOfChild, 1);
-      this.parent.model[this.config.childrenPropertyName].splice(indexOfChild, 1);
-      this.parent = undefined;
-      delete this.parent;
-    }
-    return this;
-  };
-
-  return TreeModel;
-})();
diff --git a/src/base.ts b/src/utils.ts
similarity index 64%
rename from src/base.ts
rename to src/utils.ts
index 1fb4fe5..dade643 100644
--- a/src/base.ts
+++ b/src/utils.ts
@@ -76,4 +76,45 @@ class CopyHelper {
     );
   }
 }
-export { EditorMessage, OutlineType, NoteTemplate, CopyHelper };
+
+async function pick(
+  title: string,
+  mode: "open" | "save" | "folder",
+  filters?: [string, string][],
+  suggestion?: string
+): Promise<string> {
+  const fp = Components.classes["@mozilla.org/filepicker;1"].createInstance(
+    Components.interfaces.nsIFilePicker
+  );
+
+  if (suggestion) fp.defaultString = suggestion;
+
+  mode = {
+    open: Components.interfaces.nsIFilePicker.modeOpen,
+    save: Components.interfaces.nsIFilePicker.modeSave,
+    folder: Components.interfaces.nsIFilePicker.modeGetFolder,
+  }[mode];
+
+  fp.init(window, title, mode);
+
+  for (const [label, ext] of filters || []) {
+    fp.appendFilter(label, ext);
+  }
+
+  // eslint-disable-next-line @typescript-eslint/no-unsafe-return
+  return new Zotero.Promise((resolve) => {
+    fp.open((userChoice) => {
+      switch (userChoice) {
+        case Components.interfaces.nsIFilePicker.returnOK:
+        case Components.interfaces.nsIFilePicker.returnReplace:
+          resolve(fp.file.path);
+          break;
+
+        default: // aka returnCancel
+          resolve("");
+          break;
+      }
+    });
+  });
+}
+export { EditorMessage, OutlineType, NoteTemplate, CopyHelper, pick };
diff --git a/src/views.ts b/src/views.ts
deleted file mode 100644
index 0fe4dba..0000000
--- a/src/views.ts
+++ /dev/null
@@ -1,1019 +0,0 @@
-import Knowledge4Zotero from "./addon";
-import { EditorMessage, OutlineType } from "./base";
-import AddonBase from "./module";
-
-class AddonViews extends AddonBase {
-  progressWindowIcon: object;
-  editorIcon: object;
-  currentOutline: OutlineType;
-  _initIframe: any;
-  _texNotes: number[];
-
-  constructor(parent: Knowledge4Zotero) {
-    super(parent);
-    this.progressWindowIcon = {
-      success: "chrome://zotero/skin/tick.png",
-      fail: "chrome://zotero/skin/cross.png",
-      default: "chrome://Knowledge4Zotero/skin/favicon.png",
-    };
-    this.editorIcon = {
-      addToKnowledge: `<svg t="1651124422933" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="3269" width="24" height="24"><path d="M896.00324 352c70.7 0 128-57.3 128-128 0-70.6-57.4-128-128-128-70.7 0-128 57.3-128 128 0 18.8 4.1 36.7 11.3 52.8 2.7 6 1.4 13.1-3.3 17.8l-24.2 24.2c-5.7 5.7-14.9 6.3-21.2 1.2-38.1-30.1-86.3-48-138.6-48-18.8 0-37.1 2.3-54.6 6.7-6.9 1.7-14.1-1.4-17.7-7.5l-6.6-11.4c-3.4-5.8-2.7-13.1 1.6-18.3 18.6-22.6 29.7-51.6 29.3-83.2C543.10324 89 486.30324 32.6 417.00324 32c-70.6-0.6-128.1 56.1-129 126.3-0.9 69.5 56.5 128.6 126 129.6 9.4 0.1 18.5-0.7 27.4-2.5 6.8-1.4 13.6 1.7 17.1 7.7l2.2 3.8c4 7 2.2 15.9-4.2 20.7-42.4 32.3-73 79.4-84 133.6-1.5 7.4-8.1 12.7-15.7 12.7h-94.1c-6.6 0-12.6-4-14.9-10.2-18.1-48-64.3-82.2-118.5-82.8C58.70324 370.3 0.50324 427.6 0.00324 498.1-0.49676 569.2 57.00324 627 128.00324 627c56.7 0 104.8-36.9 121.6-87.9 2.2-6.6 8.3-11.1 15.2-11.1h92c7.6 0 14.2 5.4 15.7 12.9 9.5 46.7 33.5 88 67 119.2 5.4 5 6.6 13.2 2.9 19.6l-21.7 37.6c-3.7 6.3-11.1 9.4-18.2 7.4-11.1-3.1-22.7-4.7-34.8-4.7-69.7 0.1-127 56.8-127.8 126.6-0.8 71.7 57.4 130 129.1 129.4 69.5-0.6 126.3-57.3 126.9-126.8 0.3-28-8.5-53.9-23.5-75.1-3.6-5.1-3.9-11.8-0.8-17.2l24.9-43.1c3.9-6.7 12-9.7 19.3-7 23.7 8.6 49.3 13.2 76 13.2 34.9 0 67.9-8 97.3-22.2 7.6-3.7 16.7-0.9 20.9 6.4l37 64c-26.3 23.5-43 57.7-43 95.8 0 70.9 58 128.5 128.9 128 69.7-0.5 126.2-56.7 127.1-126.3 0.9-70.1-57-129.3-127.1-129.7-6.2 0-12.3 0.4-18.3 1.2-6.5 0.9-12.8-2.2-16.1-7.8l-39.2-67.9c-3.4-5.9-2.7-13.3 1.7-18.4 34.2-39.3 54.9-90.7 54.9-147 0-38.9-9.9-75.5-27.4-107.4-3.4-6.2-2.2-13.9 2.8-18.9l28.4-28.4c4.9-4.9 12.4-6 18.7-2.9 17.4 8.6 36.9 13.5 57.6 13.5z m0-192c35.3 0 64 28.7 64 64s-28.7 64-64 64-64-28.7-64-64 28.7-64 64-64zM128.00324 563c-35.3 0-64-28.7-64-64s28.7-64 64-64 64 28.7 64 64-28.7 64-64 64z m240 349c-35.3 0-64-28.7-64-64s28.7-64 64-64 64 28.7 64 64-28.7 64-64 64z m464-112c35.3 0 64 28.7 64 64s-28.7 64-64 64-64-28.7-64-64 28.7-64 64-64zM416.00324 224c-35.3 0-64-28.7-64-64s28.7-64 64-64 64 28.7 64 64-28.7 64-64 64z m289.1 385.1C674.90324 639.4 634.70324 656 592.00324 656s-82.9-16.6-113.1-46.9C448.60324 578.9 432.00324 538.7 432.00324 496s16.6-82.9 46.9-113.1C509.10324 352.6 549.30324 336 592.00324 336s82.9 16.6 113.1 46.9C735.40324 413.1 752.00324 453.3 752.00324 496s-16.6 82.9-46.9 113.1z" p-id="3270" fill="currentColor"></path></svg>`,
-      addCitation: `<svg t="1652702140873" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2080" width="24" height="24"><path d="M479.615429 372.021945l0 155.216107c-8.769734 78.782298-47.084365 113.813139-114.89068 124.738979L364.724749 599.455841c21.849634-2.15406 36.108383-18.566868 42.673915-49.239448l0-22.978341-72.204485 0L335.194178 372.021945 479.615429 372.021945zM688.806845 372.021945l0 155.216107c-8.769734 76.628238-47.084365 111.608937-114.891703 124.738979L573.915142 599.455841c8.720615-2.15406 17.49035-8.719592 26.261107-19.695574 8.720615-10.92584 14.207583-20.773116 16.412808-29.543873l0-22.978341-71.120804 0L545.468253 372.021945 688.806845 372.021945z" p-id="2081" fill="currentColor"></path></svg>`,
-      notMainKnowledge: `<svg t="1651124314636" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1689" width="24" height="24"><path d="M877.44 383.786667L624.426667 117.333333C594.986667 86.186667 554.88 69.12 512 69.12s-82.986667 17.066667-112.426667 48.213333L146.56 383.786667a148.266667 148.266667 0 0 0-40.746667 102.4v302.08c0 85.76 69.76 155.52 155.52 155.52h501.546667c85.76 0 155.52-69.76 155.52-155.52V485.973333c0-38.186667-14.506667-74.453333-40.96-102.186666z m-44.373333 404.266666c0 38.826667-31.573333 70.186667-70.186667 70.186667H261.333333c-38.826667 0-70.186667-31.573333-70.186666-70.186667V485.973333c0-16.213333 6.186667-31.786667 17.28-43.52L461.44 176c13.226667-13.866667 31.146667-21.546667 50.56-21.546667s37.333333 7.68 50.56 21.76l253.013333 266.453334c11.306667 11.733333 17.28 27.306667 17.28 43.52v301.866666z" p-id="1690" fill="currentColor"></path><path d="M608 687.786667h-192c-23.466667 0-42.666667 19.2-42.666667 42.666666s19.2 42.666667 42.666667 42.666667h192c23.466667 0 42.666667-19.2 42.666667-42.666667s-19.2-42.666667-42.666667-42.666666z" p-id="1691" fill="currentColor"></path></svg>`,
-      isMainKnowledge: `<svg t="1651124352868" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1850" width="24" height="24"><path d="M877.44 388.053333L624.426667 121.813333C594.986667 90.666667 554.88 73.386667 512 73.386667s-82.986667 17.066667-112.426667 48.213333L146.56 388.053333a148.266667 148.266667 0 0 0-40.746667 102.4v302.08c0 85.76 69.76 155.52 155.52 155.52h501.546667c85.76 0 155.52-69.76 155.52-155.52V490.453333c0-38.4-14.506667-74.666667-40.96-102.4zM608 777.386667h-192c-23.466667 0-42.666667-19.2-42.666667-42.666667s19.2-42.666667 42.666667-42.666667h192c23.466667 0 42.666667 19.2 42.666667 42.666667s-19.2 42.666667-42.666667 42.666667z" p-id="1851" fill="currentColor"></path></svg>`,
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-  hideMenuBar(_document: Document) {
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-    const editMenu = document.querySelector("#menu_EditPopup");
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-      knowledgeToolBar.setAttribute("class", "toolbar");
-      const start = _document.createElement("div");
-      start.setAttribute("id", "knowledge-tools-start");
-      start.setAttribute("class", "start");
-      const middle = _document.createElement("div");
-      middle.setAttribute("id", "knowledge-tools-middle");
-      middle.setAttribute("class", "middle");
-      const end = _document.createElement("div");
-      end.setAttribute("id", "knowledge-tools-end");
-      end.setAttribute("class", "end");
-      knowledgeToolBar.append(start, middle, end);
-      _document
-        .getElementsByClassName("editor")[0]
-        .childNodes[0].before(knowledgeToolBar);
-      resolve();
-    });
-  }
-
-  async addEditorButton(
-    editorInstances: Zotero.EditorInstance,
-    id: string,
-    icon: string,
-    title: string,
-    eventType: string,
-    position: "start" | "middle" | "end",
-    target: "knowledge" | "buitin" = "knowledge"
-  ) {
-    // Use Zotero.Notes._editorInstances to find current opened note editor
-    await editorInstances._initPromise;
-
-    const _document = editorInstances._iframeWindow.document;
-    if (_document.getElementById(id)) {
-      return;
-    }
-    let knowledgeToolBar = _document.getElementById("knowledge-tools");
-    if (!knowledgeToolBar) {
-      await this.addEditorKnowledgeToolBar(editorInstances);
-    }
-    let toolbar: HTMLElement;
-    if (target === "knowledge") {
-      toolbar = _document.getElementById(`knowledge-tools-${position}`);
-    } else {
-      toolbar = Array.prototype.find.call(
-        _document.getElementsByClassName(position),
-        (e) => e.getAttribute("id") !== `knowledge-tools-${position}`
-      );
-    }
-    const dropdown = _document.createElement("div");
-    dropdown.setAttribute("class", "dropdown");
-    dropdown.setAttribute("id", id);
-    const button = _document.createElement("button");
-    button.setAttribute("class", "toolbar-button");
-    button.setAttribute("title", title);
-    button.setAttribute("eventType", eventType);
-    button.innerHTML = this.editorIcon[icon];
-    dropdown.append(button);
-    toolbar.append(dropdown);
-    const message = new EditorMessage("", {
-      itemID: editorInstances._item.id,
-      editorInstances: editorInstances,
-    });
-    dropdown.addEventListener("click", (e: XUL.XULEvent) => {
-      message.type = e.target.getAttribute("eventType");
-      message.content.event = e as XUL.XULEvent;
-      message.content.editorInstance = editorInstances;
-      this._Addon.events.onEditorEvent(message);
-    });
-    return dropdown;
-  }
-
-  async addEditorPopup(
-    editorInstances: Zotero.EditorInstance,
-    id: string,
-    buttons: { id: string; text: string; rank: number; eventType: string }[],
-    parentDropDown: Element,
-    align: "center" | "left" | "right" = "center"
-  ) {
-    // Use Zotero.Notes._editorInstances to find current opened note editor
-    await editorInstances._initPromise;
-
-    const _document = editorInstances._iframeWindow.document;
-    let knowledgeToolBar = _document.getElementById("knowledge-tools");
-    if (!knowledgeToolBar) {
-      await this.addEditorKnowledgeToolBar(editorInstances);
-    }
-    const popup = _document.createElement("div");
-    popup.setAttribute("class", "popup");
-    popup.setAttribute("id", id);
-    for (let buttonParam of buttons) {
-      const button = _document.createElement("button");
-      button.setAttribute("class", "option");
-      button.setAttribute(
-        "style",
-        `text-indent: ${(buttonParam.rank - 1) * 5}px;`
-      );
-      button.setAttribute("id", buttonParam.id);
-      button.setAttribute("eventType", buttonParam.eventType);
-      button.innerHTML =
-        buttonParam.text.length > 30
-          ? `${buttonParam.text.slice(0, 30)}...`
-          : buttonParam.text;
-      popup.append(button);
-      const message = new EditorMessage("", {
-        itemID: editorInstances._item.id,
-        editorInstances: editorInstances,
-      });
-      button.addEventListener("click", (e: XUL.XULEvent) => {
-        message.type = e.target.getAttribute("eventType");
-        message.content.event = e as XUL.XULEvent;
-        message.content.editorInstance = editorInstances;
-        this._Addon.events.onEditorEvent(message);
-        e.stopPropagation();
-        popup.remove();
-      });
-    }
-    parentDropDown.append(popup);
-    Zotero.debug(popup.offsetWidth);
-    let style: string = "";
-    if (align === "center") {
-      style = `right: -${popup.offsetWidth / 2 - 15}px;`;
-    } else if (align === "left") {
-      style = "left: 0; right: auto;";
-    } else if (align === "right") {
-      style = "right: 0;";
-    }
-    popup.setAttribute("style", style);
-    return popup;
-  }
-
-  changeEditorButtonView(
-    container: Element,
-    icon: string,
-    title: string = "",
-    eventType: string = ""
-  ) {
-    const button = container.getElementsByTagName("button")[0];
-    button.innerHTML = this.editorIcon[icon];
-    if (title) {
-      button.setAttribute("title", title);
-    }
-    if (eventType) {
-      button.setAttribute("eventType", eventType);
-    }
-  }
-
-  changeEditorButtonHidden(button: XUL.Element, hidden: boolean) {
-    button.hidden = hidden;
-  }
-
-  async scrollToLine(instance: Zotero.EditorInstance, lineIndex: number) {
-    await instance._initPromise;
-    let editorElement = this.getEditorElement(instance._iframeWindow.document);
-    const eleList = [];
-    const diveTagNames = ["OL", "UL", "LI"];
-
-    const nodes = Array.from(editorElement.children);
-    for (let i in nodes) {
-      const ele = nodes[i];
-      if (diveTagNames.includes(ele.tagName)) {
-        this._Addon.parse.parseListElements(ele, eleList, diveTagNames);
-      } else {
-        eleList.push(ele);
-      }
-    }
-    console.log(eleList, lineIndex);
-    if (lineIndex >= eleList.length) {
-      lineIndex = eleList.length - 1;
-    } else if (lineIndex < 0) {
-      lineIndex = 0;
-    }
-
-    // @ts-ignore
-    const scrollNum = eleList[lineIndex].offsetTop;
-    (editorElement.parentNode as HTMLElement).scrollTo(0, scrollNum);
-  }
-
-  scrollToPosition(instance: Zotero.EditorInstance, offset: number) {
-    let editorElement = this.getEditorElement(instance._iframeWindow.document);
-    // @ts-ignore
-    (editorElement.parentNode as HTMLElement).scrollTo(0, offset);
-  }
-
-  addNewKnowledgeButton() {
-    // Top toolbar button
-    let addNoteItem = document
-      .getElementById("zotero-tb-note-add")
-      .getElementsByTagName("menuitem")[1];
-    let button = document.createElement("menuitem");
-    button.setAttribute("id", "zotero-tb-knowledge-openwindow");
-    button.setAttribute("label", "New Main Note");
-    button.addEventListener("click", (e) => {
-      this._Addon.events.onEditorEvent(
-        new EditorMessage("createWorkspace", {})
-      );
-    });
-    button.setAttribute("class", "menuitem-iconic");
-    button.setAttribute(
-      "style",
-      "list-style-image: url('chrome://Knowledge4Zotero/skin/favicon.png');"
-    );
-    addNoteItem.after(button);
-  }
-
-  addOpenWorkspaceButton() {
-    // Left collection tree view button
-    const treeRow = document.createElement("html:div");
-    treeRow.setAttribute("class", "row");
-    treeRow.setAttribute(
-      "style",
-      "height: 22px; margin: 0 0 0 0; padding: 0 6px 0 6px;"
-    );
-    const span1 = document.createElement("span");
-    span1.setAttribute("class", "cell label primary");
-    const span2 = document.createElement("span");
-    span2.setAttribute("class", "icon icon-twisty twisty open");
-    span2.innerHTML = this.editorIcon["openWorkspaceCollectionView"];
-    const span3 = document.createElement("span");
-    span3.setAttribute("class", "icon icon-bg cell-icon");
-    span3.setAttribute(
-      "style",
-      "background-image:url(chrome://Knowledge4Zotero/skin/favicon.png)"
-    );
-    const span4 = document.createElement("span");
-    span4.setAttribute("class", "cell-text");
-    span4.setAttribute("style", "margin-left: 6px;");
-    span4.innerHTML = Zotero.locale.includes("zh")
-      ? "打开工作区"
-      : "Open Workspace";
-    span1.append(span2, span3, span4);
-    treeRow.append(span1);
-    treeRow.addEventListener("click", (e) => {
-      this._Addon.events.onEditorEvent(
-        new EditorMessage("openWorkspace", { event: e })
-      );
-    });
-    treeRow.addEventListener("mouseover", (e: XUL.XULEvent) => {
-      treeRow.setAttribute(
-        "style",
-        "height: 22px; margin: 0 0 0 0; padding: 0 6px 0 6px; background-color: grey;"
-      );
-    });
-    treeRow.addEventListener("mouseleave", (e: XUL.XULEvent) => {
-      treeRow.setAttribute(
-        "style",
-        "height: 22px; margin: 0 0 0 0; padding: 0 6px 0 6px;"
-      );
-    });
-    treeRow.addEventListener("mousedown", (e: XUL.XULEvent) => {
-      treeRow.setAttribute(
-        "style",
-        "height: 22px; margin: 0 0 0 0; padding: 0 6px 0 6px; color: #FFFFFF;"
-      );
-    });
-    treeRow.addEventListener("mouseup", (e: XUL.XULEvent) => {
-      treeRow.setAttribute(
-        "style",
-        "height: 22px; margin: 0 0 0 0; padding: 0 6px 0 6px;"
-      );
-    });
-    document
-      .getElementById("zotero-collections-tree-container")
-      .children[0].before(treeRow);
-  }
-
-  async updateEditorPopupButtons(_window: Window, link: string) {
-    const note: Zotero.Item = link
-      ? (await this._Addon.knowledge.getNoteFromLink(link)).item
-      : undefined;
-    const workspaceNote = this._Addon.knowledge.getWorkspaceNote();
-    // If the note is invalid, we remove the buttons
-    if (note) {
-      let insertButton = _window.document.getElementById("insert-note-link");
-      if (insertButton) {
-        insertButton.remove();
-      }
-      insertButton = _window.document.createElement("button");
-      insertButton.setAttribute("id", "insert-note-link");
-      insertButton.setAttribute(
-        "title",
-        `Import Linked Note: ${note.getNoteTitle()}`
-      );
-      insertButton.innerHTML = `<svg t="1652008007954" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="10521" width="16" height="16"><path d="M574.3 896H159.7c-17.6 0-31.9-14.3-31.9-32V160c0-17.7 14.3-32 31.9-32h382.7v160c0 35.3 28.6 64 63.8 64h159.5v192c0 17.7 14.3 32 31.9 32 17.6 0 31.9-14.3 31.9-32V270.2c0-8.5-3.3-16.6-9.3-22.6L647.4 73.4c-6-6-14.1-9.4-22.6-9.4h-497C92.6 64 64 92.7 64 128v768c0 35.3 28.6 64 63.8 64h446.5c17.6 0 31.9-14.3 31.9-32s-14.3-32-31.9-32zM638.1 288c-17.6 0-31.9-14.3-31.9-32V128l159.5 160H638.1z" p-id="10522"></path><path d="M418.8 673H225.5c-17.6 0-31.9 14.3-31.9 32s14.3 32 31.9 32h193.3c17.6 0 31.9-14.3 31.9-32s-14.3-32-31.9-32zM608.2 481H225.5c-17.6 0-31.9 14.3-31.9 32s14.3 32 31.9 32h382.7c17.6 0 31.9-14.3 31.9-32s-14.3-32-31.9-32zM225.5 353h191.4c17.6 0 31.9-14.3 31.9-32s-14.3-32-31.9-32H225.5c-17.6 0-31.9 14.3-31.9 32s14.3 32 31.9 32zM862.7 959.4c-23.6 0-47-8.8-64.8-26.6l-24.4-24.4c-12.5-12.5-12.5-32.8 0-45.3s32.7-12.5 45.1 0l24.4 24.4c11.3 11.4 30.7 10.4 43.2-2.1 12.5-12.5 13.4-31.9 2.1-43.3L749.2 702.6c-11.3-11.4-30.7-10.4-43.2 2.1-6.2 6.3-9.8 14.4-10 22.8-0.2 7.9 2.6 15.1 7.9 20.4 12.5 12.5 12.5 32.8 0 45.3s-32.7 12.5-45.1 0c-36.2-36.3-35.2-96.3 2.1-133.8 37.4-37.5 97.2-38.4 133.4-2.1l139.1 139.5c36.2 36.3 35.2 96.3-2.1 133.8-19 19.2-43.9 28.8-68.6 28.8z" p-id="10523"></path><path d="M696.3 883.1c-23.6 0-47-8.8-64.8-26.6l-139-139.6c-17.7-17.8-27.2-41.7-26.6-67.2 0.6-25 10.8-48.6 28.7-66.6 17.9-17.9 41.5-28.2 66.4-28.8 25.5-0.6 49.3 8.9 67 26.6l24.4 24.4c12.5 12.5 12.5 32.8 0 45.3s-32.7 12.5-45.1 0l-24.4-24.4c-5.3-5.3-12.5-8.1-20.4-7.9-8.4 0.2-16.5 3.8-22.8 10-6.2 6.3-9.8 14.4-10 22.8-0.2 7.9 2.6 15.1 7.9 20.4L676.7 811c11.3 11.4 30.7 10.4 43.2-2.1 12.5-12.5 13.4-31.9 2.1-43.3-12.5-12.5-12.5-32.8 0-45.3s32.7-12.5 45.1 0c36.2 36.3 35.3 96.3-2.1 133.8-19.1 19.3-44 29-68.7 29z" p-id="10524"></path></svg>`;
-      insertButton.addEventListener("click", async (e) => {
-        let newLines = [];
-        const convertResult = await this._Addon.knowledge.convertNoteLines(
-          note,
-          [],
-          true
-        );
-        const subNoteLines = convertResult.lines;
-        // Prevent note to be too long
-        if (subNoteLines.join("\n").length > 100000) {
-          this._Addon.views.showProgressWindow(
-            "Better Notes",
-            "The linked note is too long. Import ignored."
-          );
-          return;
-        }
-        const templateText = await this._Addon.template.renderTemplateAsync(
-          "[QuickImport]",
-          "subNoteLines, subNoteItem, noteItem",
-          [subNoteLines, note, workspaceNote]
-        );
-        newLines.push(templateText);
-        const newLineString = newLines.join("\n");
-        const notifyFlag = Zotero.Promise.defer();
-        const notifierName = "insertLinkWait";
-        this._Addon.events.addNotifyListener(
-          notifierName,
-          (
-            event: string,
-            type: string,
-            ids: Array<number>,
-            extraData: object
-          ) => {
-            if (
-              event === "modify" &&
-              type === "item" &&
-              ids.includes(workspaceNote.id)
-            ) {
-              notifyFlag.resolve();
-              this._Addon.events.removeNotifyListener(notifierName);
-            }
-          }
-        );
-        await this._Addon.knowledge.modifyLineInNote(
-          undefined,
-          (oldLine: string) => {
-            Zotero.debug(oldLine);
-            const params = this._Addon.parse.parseParamsFromLink(link);
-            const newLink = !params.ignore
-              ? link + (link.includes("?") ? "&ignore=1" : "?ignore=1")
-              : link;
-            const linkIndex = this._Addon.parse.parseLinkIndexInText(oldLine);
-            Zotero.debug(linkIndex);
-            return `${oldLine.slice(0, linkIndex[0])}${newLink}${oldLine.slice(
-              linkIndex[1]
-            )}\n${newLineString}`;
-          },
-          this._Addon.knowledge.currentLine[workspaceNote.id],
-          true
-        );
-        // wait the first modify finish
-        await notifyFlag.promise;
-        let hasAttachemnts = false;
-        for (const _n of [note, ...convertResult.subNotes]) {
-          if ((Zotero.Items.get(_n.getAttachments()) as Zotero.Item[]).length) {
-            hasAttachemnts = true;
-            break;
-          }
-        }
-        if (hasAttachemnts) {
-          await Zotero.DB.executeTransaction(async () => {
-            await Zotero.Notes.copyEmbeddedImages(note, workspaceNote);
-            for (const subNote of convertResult.subNotes) {
-              await Zotero.Notes.copyEmbeddedImages(subNote, workspaceNote);
-            }
-          });
-          await this._Addon.knowledge.scrollWithRefresh(
-            this._Addon.knowledge.currentLine[workspaceNote.id]
-          );
-        }
-      });
-
-      let updateButton = _window.document.getElementById("update-note-link");
-      if (updateButton) {
-        updateButton.remove();
-      }
-      updateButton = _window.document.createElement("button");
-      updateButton.setAttribute("id", "update-note-link");
-      updateButton.setAttribute(
-        "title",
-        `Update Link Text: ${note.getNoteTitle()}`
-      );
-      updateButton.innerHTML = `<svg t="1652685521153" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="7063" width="16" height="16"><path d="M271.914667 837.418667C182.314667 756.522667 128 637.653333 128 508.714667 128 304.896 263.338667 129.834667 450.986667 85.333333L469.333333 170.026667c-150.016 35.584-258.304 175.658667-258.304 338.688 0 106.069333 45.866667 203.562667 121.258667 268.373333L426.666667 682.666667v256H170.666667l101.248-101.248zM727.082667 168.917333C831.530667 249.045333 896 377.088 896 517.077333c0 202.922667-135.338667 377.258667-322.986667 421.589334L554.666667 854.357333c150.016-35.456 258.304-174.933333 258.304-337.322666 0-117.12-56.405333-223.786667-146.901334-287.146667L554.666667 341.333333V85.333333h256l-83.584 83.584z" p-id="7064"></path></svg>`;
-      updateButton.addEventListener("click", async (e) => {
-        Zotero.debug("ZBN: Update Link Text");
-        const noteLines = this._Addon.knowledge.getLinesInNote();
-        let line =
-          noteLines[this._Addon.knowledge.currentLine[workspaceNote.id]];
-        Zotero.debug(line);
-
-        let linkStart = line.search(/<a /g);
-        let linkEnd = line.search(/<\/a>/g) + 4;
-        let beforeLink = line.slice(0, linkStart);
-        let afterLink = line.slice(linkEnd);
-        let linkPart = line.slice(linkStart, linkEnd);
-        let link = this._Addon.parse.parseLinkInText(linkPart);
-        let currentNote: Zotero.Item;
-        if (link) {
-          currentNote = (await this._Addon.knowledge.getNoteFromLink(link))
-            .item;
-        }
-
-        while (
-          linkPart &&
-          (!link || !currentNote || currentNote.id !== note.id)
-        ) {
-          line = afterLink;
-          beforeLink = beforeLink + linkPart;
-          line = afterLink;
-
-          linkStart = line.search(/<a /g);
-          linkEnd = line.search(/<\/a>/g) + 4;
-          beforeLink = beforeLink + line.slice(0, linkStart);
-          afterLink = line.slice(linkEnd);
-          linkPart = line.slice(linkStart, linkEnd);
-          link = this._Addon.parse.parseLinkInText(linkPart);
-          if (link) {
-            currentNote = (await this._Addon.knowledge.getNoteFromLink(link))
-              .item;
-          }
-        }
-        if (!linkPart) {
-          return;
-        }
-        beforeLink = beforeLink + linkPart.slice(0, linkPart.search(/>/) + 1);
-        afterLink = "</a>" + afterLink;
-        const newLine = `${beforeLink}${currentNote.getNoteTitle()}${afterLink}`;
-        Zotero.debug(newLine);
-        noteLines[this._Addon.knowledge.currentLine[workspaceNote.id]] =
-          newLine;
-
-        await this._Addon.knowledge.setLinesToNote(undefined, noteLines);
-        this._Addon.knowledge.scrollWithRefresh(
-          this._Addon.knowledge.currentLine[workspaceNote.id]
-        );
-      });
-
-      let previewContainer =
-        _window.document.getElementById("note-link-preview");
-      if (previewContainer) {
-        previewContainer.remove();
-      }
-      previewContainer = _window.document.createElementNS(
-        "http://www.w3.org/1999/xhtml",
-        "div"
-      );
-      previewContainer.id = "note-link-preview";
-      previewContainer.setAttribute(
-        "style",
-        "width: 98%;height: 300px;position: absolute;background: white;bottom: 36px;overflow: hidden;box-shadow: 0 0 5px 5px rgba(0,0,0,0.2);border-radius: 5px;cursor: pointer;opacity: 0.9;"
-      );
-      previewContainer.className = "ProseMirror primary-editor";
-      previewContainer.innerHTML = await this._Addon.parse.parseNoteStyleHTML(
-        note
-      );
-      previewContainer.addEventListener("click", (e) => {
-        this._Addon.knowledge.setWorkspaceNote("preview", note);
-      });
-      const linkPopup = _window.document.querySelector(".link-popup");
-      if (linkPopup) {
-        linkPopup.append(insertButton, updateButton, previewContainer);
-        previewContainer
-          .querySelector("div[data-schema-version]")
-          .childNodes.forEach((node) => {
-            if ((node as Element).setAttribute) {
-              (node as Element).setAttribute("style", "margin: 0");
-            } else {
-              node.remove();
-            }
-          });
-      }
-    } else {
-      const insertLink = _window.document.querySelector("#insert-note-link");
-      if (insertLink) {
-        insertLink.remove();
-      }
-
-      const updateLink = _window.document.querySelector("#update-note-link");
-      if (updateLink) {
-        updateLink.remove();
-      }
-
-      const previewContainer =
-        _window.document.querySelector("#note-link-preview");
-      if (previewContainer) {
-        previewContainer.remove();
-      }
-    }
-  }
-
-  async addReaderAnnotationButton(reader: _ZoteroReaderInstance) {
-    if (!reader) {
-      return false;
-    }
-    await reader._initPromise;
-    let updateCount = 0;
-    const _document = reader._iframeWindow.document;
-    for (const moreButton of _document.getElementsByClassName("more")) {
-      if (moreButton.getAttribute("knowledgeinit") === "true") {
-        updateCount += 1;
-        continue;
-      }
-      moreButton.setAttribute("knowledgeinit", "true");
-      const addAnnotationNoteButton = _document.createElement("div");
-      addAnnotationNoteButton.setAttribute("style", "margin: 5px;");
-      addAnnotationNoteButton.title = "Quick Note";
-      addAnnotationNoteButton.innerHTML = this.editorIcon["addAnnotationNote"];
-
-      let annotationWrapper = moreButton;
-      while (!annotationWrapper.getAttribute("data-sidebar-annotation-id")) {
-        annotationWrapper = annotationWrapper.parentElement;
-      }
-      const itemKey = annotationWrapper.getAttribute(
-        "data-sidebar-annotation-id"
-      );
-      const libraryID = (Zotero.Items.get(reader.itemID) as Zotero.Item)
-        .libraryID;
-      const annotationItem = await Zotero.Items.getByLibraryAndKeyAsync(
-        libraryID,
-        itemKey
-      );
-
-      addAnnotationNoteButton.addEventListener("click", (e) => {
-        this._Addon.events.onEditorEvent(
-          new EditorMessage("addAnnotationNote", {
-            params: {
-              annotationItem: annotationItem,
-            },
-          })
-        );
-        e.preventDefault();
-      });
-      addAnnotationNoteButton.addEventListener(
-        "mouseover",
-        (e: XUL.XULEvent) => {
-          addAnnotationNoteButton.setAttribute(
-            "style",
-            "background: #F0F0F0; margin: 5px;"
-          );
-        }
-      );
-      addAnnotationNoteButton.addEventListener(
-        "mouseout",
-        (e: XUL.XULEvent) => {
-          addAnnotationNoteButton.setAttribute("style", "margin: 5px;");
-        }
-      );
-      moreButton.before(addAnnotationNoteButton);
-      if (annotationItem.annotationType === "image") {
-        // Image OCR
-        const ocrButton = _document.createElement("div");
-        ocrButton.setAttribute("style", "margin: 5px;");
-        ocrButton.innerHTML = this.editorIcon["ocrTex"];
-        ocrButton.title = "OCR LaTex";
-        ocrButton.addEventListener("click", (e) => {
-          this._Addon.events.onEditorEvent(
-            new EditorMessage("ocrImageAnnotation", {
-              params: {
-                src: (
-                  ocrButton.parentElement.parentElement
-                    .nextSibling as HTMLImageElement
-                ).src,
-                annotationItem: annotationItem,
-              },
-            })
-          );
-          e.preventDefault();
-        });
-        ocrButton.addEventListener("mouseover", (e: XUL.XULEvent) => {
-          ocrButton.setAttribute("style", "background: #F0F0F0; margin: 5px;");
-        });
-        ocrButton.addEventListener("mouseout", (e: XUL.XULEvent) => {
-          ocrButton.setAttribute("style", "margin: 5px;");
-        });
-        moreButton.before(ocrButton);
-      }
-      updateCount += 1;
-    }
-    return reader.annotationItemIDs.length === updateCount;
-  }
-
-  initKnowledgeWindow(_window: Window) {
-    _window.addEventListener("message", (e) => this.messageHandler(e), false);
-    this.currentOutline = OutlineType.treeView;
-    _window.document
-      .getElementById("outline-switchview")
-      .addEventListener("click", async (e) => {
-        this.switchView();
-      });
-    _window.addEventListener("resize", (e) => this.resizeOutline(_window));
-    _window.document
-      .getElementById("outline-splitter")
-      .addEventListener("mouseup", async (e) => {
-        this.resizeOutline(_window);
-      });
-  }
-
-  async messageHandler(e) {
-    const _window = this._Addon.knowledge.getWorkspaceWindow();
-    Zotero.debug(`Knowledge4Zotero: view message ${e.data.type}`);
-    console.log(`Knowledge4Zotero: view message ${e.data.type}`);
-    if (e.data.type === "ready") {
-      this._initIframe.resolve();
-    } else if (e.data.type === "getMindMapData") {
-      this.updateOutline();
-    } else if (e.data.type === "jumpNode") {
-      this._Addon.events.onEditorEvent(
-        new EditorMessage("jumpNode", {
-          params: e.data,
-        })
-      );
-    } else if (e.data.type === "jumpNote") {
-      Zotero.debug(e.data);
-      this._Addon.events.onEditorEvent(
-        new EditorMessage("onNoteLink", {
-          params: await this._Addon.knowledge.getNoteFromLink(e.data.link),
-        })
-      );
-    } else if (e.data.type === "moveNode") {
-      this._Addon.events.onEditorEvent(
-        new EditorMessage("moveNode", {
-          params: e.data,
-        })
-      );
-    }
-  }
-
-  switchView(newType: OutlineType = undefined) {
-    if (!newType) {
-      newType = this.currentOutline + 1;
-    }
-    if (newType > OutlineType.bubbleMap) {
-      newType = OutlineType.treeView;
-    }
-    const _window = this._Addon.knowledge.getWorkspaceWindow();
-    const mindmap = _window.document.getElementById("mindmap-container");
-
-    const oldIframe = _window.document.getElementById("mindmapIframe");
-    if (oldIframe) {
-      oldIframe.remove();
-    }
-    this.currentOutline = newType;
-    const srcList = [
-      "",
-      "chrome://Knowledge4Zotero/content/treeView.html",
-      "chrome://Knowledge4Zotero/content/mindMap.html",
-      "chrome://Knowledge4Zotero/content/bubbleMap.html",
-    ];
-    const iframe = _window.document.createElement("iframe");
-    iframe.setAttribute("id", "mindmapIframe");
-    iframe.setAttribute("src", srcList[this.currentOutline]);
-    mindmap.append(iframe);
-    this.resizeOutline(_window);
-    this.updateOutline();
-    // Clear stored node id
-    this._Addon.knowledge.currentNodeID = -1;
-    this.updateEditCommand();
-    this.updateViewMenu();
-  }
-
-  async updateOutline() {
-    Zotero.debug("Knowledge4Zotero: updateMindMap");
-    // await this._initIframe.promise;
-    const _window = this._Addon.knowledge.getWorkspaceWindow();
-    if (!_window) {
-      return;
-    }
-    const iframe = _window.document.getElementById(
-      "mindmapIframe"
-    ) as HTMLIFrameElement;
-    iframe.contentWindow.postMessage(
-      {
-        type: "setMindMapData",
-        nodes: this._Addon.knowledge.getNoteTreeAsList(undefined, true, false),
-      },
-      "*"
-    );
-  }
-
-  resizeOutline(_window: Window) {
-    const iframe = _window.document.getElementById("mindmapIframe");
-    const container = _window.document.getElementById(
-      "zotero-knowledge-outline"
-    );
-    if (iframe) {
-      iframe.style.height = `${container.clientHeight - 60}px`;
-      iframe.style.width = `${container.clientWidth - 10}px`;
-    }
-  }
-
-  private getMenuWindow(): XUL.XULWindow {
-    return this._Addon.knowledge.workspaceTabId
-      ? this._Addon.knowledge.workspaceTabId !== "WINDOW"
-        ? window
-        : this._Addon.knowledge.getWorkspaceWindow()
-      : window;
-  }
-
-  updateEditCommand() {
-    const _window = this.getMenuWindow();
-    Zotero.debug(`updateEditMenu, ${this._Addon.knowledge.currentNodeID}`);
-    if (this._Addon.knowledge.currentNodeID < 0) {
-      _window.document
-        .getElementById("cmd_indent_betternotes")
-        .setAttribute("disabled", true as any);
-      _window.document
-        .getElementById("cmd_unindent_betternotes")
-        .setAttribute("disabled", true as any);
-    } else {
-      _window.document
-        .getElementById("cmd_indent_betternotes")
-        .removeAttribute("disabled");
-      _window.document
-        .getElementById("cmd_unindent_betternotes")
-        .removeAttribute("disabled");
-    }
-  }
-
-  updateViewMenu() {
-    const _window = this.getMenuWindow();
-    Zotero.debug(`updateViewMenu, ${this.currentOutline}`);
-    const treeview = _window.document.getElementById("menu_treeview");
-    this.currentOutline === OutlineType.treeView
-      ? treeview.setAttribute("checked", true as any)
-      : treeview.removeAttribute("checked");
-    const mindmap = _window.document.getElementById("menu_mindmap");
-    this.currentOutline === OutlineType.mindMap
-      ? mindmap.setAttribute("checked", true as any)
-      : mindmap.removeAttribute("checked");
-    const bubblemap = _window.document.getElementById("menu_bubblemap");
-    this.currentOutline === OutlineType.bubbleMap
-      ? bubblemap.setAttribute("checked", true as any)
-      : bubblemap.removeAttribute("checked");
-
-    const noteFontSize = Zotero.Prefs.get("note.fontSize");
-    for (let menuitem of _window.document.querySelectorAll(
-      `#note-font-size-menu menuitem`
-    )) {
-      if (parseInt(menuitem.getAttribute("label")) == noteFontSize) {
-        menuitem.setAttribute("checked", true as any);
-      } else {
-        menuitem.removeAttribute("checked");
-      }
-    }
-  }
-
-  updateTemplateMenu(type: "Note" | "Item" | "Text") {
-    const _window = this.getMenuWindow();
-    // If tab is open but not selected, we use copy mode
-    const copyMode =
-      Boolean(
-        this._Addon.knowledge.workspaceTabId &&
-          this._Addon.knowledge.workspaceTabId !== "WINDOW" &&
-          Zotero_Tabs.selectedID !== this._Addon.knowledge.workspaceTabId
-      ) || !this._Addon.knowledge.workspaceTabId;
-    Zotero.debug(`updateTemplateMenu, ${this.currentOutline}`);
-    let templates = this._Addon.template
-      .getTemplateKeys()
-      .filter((e) => e.name.indexOf(type) !== -1)
-      .filter(
-        (e) => !this._Addon.template._systemTemplateNames.includes(e.name)
-      );
-    const popup = _window.document.getElementById(
-      `menu_insert${type}TemplatePopup`
-    );
-    popup.innerHTML = "";
-    if (templates.length === 0) {
-      templates = [
-        {
-          name: "No Template",
-          text: "",
-          disabled: true,
-        },
-      ];
-    }
-    for (const template of templates) {
-      const menuitem = _window.document.createElement("menuitem");
-      menuitem.setAttribute("id", template.name);
-      menuitem.setAttribute("label", template.name);
-      menuitem.setAttribute(
-        "oncommand",
-        `
-        Zotero.Knowledge4Zotero.events.onEditorEvent({
-          type: "insert${type}UsingTemplate",
-          content: {
-            params: { templateName: "${template.name}", copy: ${copyMode} },
-          },
-        });`
-      );
-
-      if (template.disabled) {
-        menuitem.setAttribute("disabled", true as any);
-      }
-      popup.append(menuitem);
-    }
-  }
-
-  updateCitationStyleMenu() {
-    const _window = this.getMenuWindow();
-    Zotero.debug(`updateCitationStyleMenu, ${this.currentOutline}`);
-
-    const popup = _window.document.getElementById("menu_citeSettingPopup");
-    popup.innerHTML = "";
-
-    let format = this._Addon.template.getCitationStyle();
-
-    // add styles to list
-    const styles = Zotero.Styles.getVisible();
-    styles.forEach(function (style) {
-      const val = JSON.stringify({
-        mode: "bibliography",
-        contentType: "html",
-        id: style.styleID,
-        locale: "",
-      });
-      const itemNode: XUL.Element = document.createElement("menuitem");
-      itemNode.setAttribute("value", val);
-      itemNode.setAttribute("label", style.title);
-      itemNode.setAttribute("type", "checkbox");
-      itemNode.setAttribute(
-        "oncommand",
-        "Zotero.Prefs.set('Knowledge4Zotero.citeFormat', event.target.value)"
-      );
-      popup.appendChild(itemNode);
-
-      if (format.id == style.styleID) {
-        itemNode.setAttribute("checked", true);
-      }
-    });
-  }
-
-  updateOCRStyleMenu() {
-    Zotero.debug(`updateOCRStyleMenu`);
-    const popup = document.getElementById("menu_ocrsettingpopup");
-    Array.prototype.forEach.call(popup.children, (e) =>
-      e.setAttribute("checked", false)
-    );
-    let engine = Zotero.Prefs.get("Knowledge4Zotero.OCREngine");
-    if (!engine) {
-      engine = "bing";
-      Zotero.Prefs.set("Knowledge4Zotero.OCREngine", engine);
-    }
-    (
-      document.getElementById(`menu_ocr_${engine}_betternotes`) as XUL.Menuitem
-    ).setAttribute("checked", true);
-  }
-
-  updateWordCount() {
-    const _window = this.getMenuWindow();
-    if (!_window) {
-      return;
-    }
-    Zotero.debug("updateWordCount");
-
-    const menuitem = _window.document.getElementById(
-      "menu_wordcount_betternotes"
-    );
-    function fnGetCpmisWords(str) {
-      let sLen = 0;
-      try {
-        // replace break lines
-        str = str.replace(/(\r\n+|\s+|　+)/g, "龘");
-        // letter, numbers to 'm' letter
-        str = str.replace(/[\x00-\xff]/g, "m");
-        // make neighbor 'm' to be one letter
-        str = str.replace(/m+/g, "*");
-        // remove white space
-        str = str.replace(/龘+/g, "");
-        sLen = str.length;
-      } catch (e) {}
-      return sLen;
-    }
-    menuitem.setAttribute(
-      "label",
-      `Word Count: ${fnGetCpmisWords(
-        this._Addon.parse.parseNoteHTML().innerText
-      )}`
-    );
-  }
-
-  updateAutoInsertAnnotationsMenu(
-    _window: Window = undefined,
-    tryStandalone: boolean = true
-  ) {
-    _window = _window || window;
-
-    Zotero.debug("updateAutoInsertAnnotationsMenu");
-
-    let autoAnnotation = Zotero.Prefs.get("Knowledge4Zotero.autoAnnotation");
-    if (typeof autoAnnotation === "undefined") {
-      autoAnnotation = false;
-      Zotero.Prefs.set("Knowledge4Zotero.autoAnnotation", autoAnnotation);
-    }
-
-    const menuitem: XUL.Element = _window.document.getElementById(
-      "menu_autoannotation_betternotes"
-    );
-    if (autoAnnotation) {
-      menuitem.setAttribute("checked", true);
-    } else {
-      menuitem.removeAttribute("checked");
-    }
-    if (tryStandalone) {
-      _window = this._Addon.knowledge.getWorkspaceWindow();
-      if (_window) {
-        this.updateAutoInsertAnnotationsMenu(_window, false);
-      }
-    }
-  }
-
-  showProgressWindow(
-    header: string,
-    context: string,
-    type: "default" | "success" | "fail" = "default",
-    t: number = 5000
-  ) {
-    let progressWindow = new Zotero.ProgressWindow({ closeOnClick: true });
-    progressWindow.changeHeadline(header);
-    progressWindow.progress = new progressWindow.ItemProgress(
-      this.progressWindowIcon[type],
-      context
-    );
-    progressWindow.show();
-    if (t > 0) {
-      progressWindow.startCloseTimer(t);
-    }
-    return progressWindow;
-  }
-
-  changeProgressWindowDescription(progressWindow: any, context: string) {
-    if (!progressWindow || progressWindow.closed) {
-      return;
-    }
-    progressWindow.progress._itemText.innerHTML = context;
-  }
-}
-
-export default AddonViews;
diff --git a/src/wizard.ts b/src/wizard.ts
index abc71de..ce95a1f 100644
--- a/src/wizard.ts
+++ b/src/wizard.ts
@@ -1,5 +1,9 @@
+/*
+ * This file contains the first-run wizard window code
+ */
+
 import Knowledge4Zotero from "./addon";
-import { EditorMessage } from "./base";
+import { EditorMessage } from "./utils";
 import AddonBase from "./module";
 
 class AddonWizard extends AddonBase {
@@ -272,7 +276,7 @@ class AddonWizard extends AddonBase {
           Zotero.locale === "zh-CN" ? this.templateCN : this.template
         );
         await this._Addon.events.onEditorEvent(
-          new EditorMessage("setMainKnowledge", {
+          new EditorMessage("setMainNote", {
             params: { itemID: noteID, enableConfirm: false, enableOpen: true },
           })
         );
diff --git a/src/workspace/workspaceMenu.ts b/src/workspace/workspaceMenu.ts
new file mode 100644
index 0000000..5c0595e
--- /dev/null
+++ b/src/workspace/workspaceMenu.ts
@@ -0,0 +1,49 @@
+import Knowledge4Zotero from "../addon";
+import { OutlineType } from "../utils";
+import AddonBase from "../module";
+
+class WorkspaceMenu extends AddonBase {
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+  }
+
+  public getWorkspaceMenuWindow(): Window {
+    return this._Addon.WorkspaceWindow.workspaceTabId
+      ? this._Addon.WorkspaceWindow.workspaceTabId !== "WINDOW"
+        ? window
+        : this._Addon.WorkspaceWindow.getWorkspaceWindow()
+      : window;
+  }
+
+  public updateViewMenu() {
+    Zotero.debug(
+      `updateViewMenu, ${this._Addon.WorkspaceOutline.currentOutline}`
+    );
+    const _mainWindow = this.getWorkspaceMenuWindow();
+    const treeview = _mainWindow.document.getElementById("menu_treeview");
+    this._Addon.WorkspaceOutline.currentOutline === OutlineType.treeView
+      ? treeview.setAttribute("checked", true as any)
+      : treeview.removeAttribute("checked");
+    const mindmap = _mainWindow.document.getElementById("menu_mindmap");
+    this._Addon.WorkspaceOutline.currentOutline === OutlineType.mindMap
+      ? mindmap.setAttribute("checked", true as any)
+      : mindmap.removeAttribute("checked");
+    const bubblemap = _mainWindow.document.getElementById("menu_bubblemap");
+    this._Addon.WorkspaceOutline.currentOutline === OutlineType.bubbleMap
+      ? bubblemap.setAttribute("checked", true as any)
+      : bubblemap.removeAttribute("checked");
+
+    const noteFontSize = Zotero.Prefs.get("note.fontSize");
+    for (let menuitem of this._Addon.WorkspaceWindow.workspaceWindow.document.querySelectorAll(
+      `#note-font-size-menu menuitem`
+    )) {
+      if (parseInt(menuitem.getAttribute("label")) == noteFontSize) {
+        menuitem.setAttribute("checked", true as any);
+      } else {
+        menuitem.removeAttribute("checked");
+      }
+    }
+  }
+}
+
+export default WorkspaceMenu;
diff --git a/src/workspace/workspaceOutline.ts b/src/workspace/workspaceOutline.ts
new file mode 100644
index 0000000..8439be7
--- /dev/null
+++ b/src/workspace/workspaceOutline.ts
@@ -0,0 +1,94 @@
+import Knowledge4Zotero from "../addon";
+import { OutlineType } from "../utils";
+import AddonBase from "../module";
+
+class WorkspaceOutline extends AddonBase {
+  public currentOutline: OutlineType;
+  public currentNodeID: number;
+
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+    this.currentOutline = OutlineType.treeView;
+    this.currentNodeID = -1;
+  }
+
+  public switchView(newType: OutlineType = undefined) {
+    if (!newType) {
+      newType = this.currentOutline + 1;
+    }
+    if (newType > OutlineType.bubbleMap) {
+      newType = OutlineType.treeView;
+    }
+    const mindmap =
+      this._Addon.WorkspaceWindow.workspaceWindow.document.getElementById(
+        "mindmap-container"
+      );
+
+    const oldIframe =
+      this._Addon.WorkspaceWindow.workspaceWindow.document.getElementById(
+        "mindmapIframe"
+      );
+    if (oldIframe) {
+      oldIframe.remove();
+    }
+    this.currentOutline = newType;
+    const srcList = [
+      "",
+      "chrome://Knowledge4Zotero/content/treeView.html",
+      "chrome://Knowledge4Zotero/content/mindMap.html",
+      "chrome://Knowledge4Zotero/content/bubbleMap.html",
+    ];
+    const iframe =
+      this._Addon.WorkspaceWindow.workspaceWindow.document.createElement(
+        "iframe"
+      );
+    iframe.setAttribute("id", "mindmapIframe");
+    iframe.setAttribute("src", srcList[this.currentOutline]);
+    mindmap.append(iframe);
+    this.resizeOutline();
+    this.updateOutline();
+    // Clear stored node id
+    this.currentNodeID = -1;
+    this._Addon.WorkspaceMenu.updateViewMenu();
+  }
+
+  public async updateOutline() {
+    Zotero.debug("Knowledge4Zotero: updateMindMap");
+    // await this._initIframe.promise;
+    const _window = this._Addon.WorkspaceWindow.getWorkspaceWindow();
+    if (!_window) {
+      return;
+    }
+    const iframe = _window.document.getElementById(
+      "mindmapIframe"
+    ) as HTMLIFrameElement;
+    iframe.contentWindow.postMessage(
+      {
+        type: "setMindMapData",
+        nodes: this._Addon.NoteUtils.getNoteTreeAsList(
+          this._Addon.WorkspaceWindow.getWorkspaceNote(),
+          true,
+          false
+        ),
+      },
+      "*"
+    );
+  }
+
+  public resizeOutline() {
+    const iframe =
+      this._Addon.WorkspaceWindow.workspaceWindow.document.getElementById(
+        "mindmapIframe"
+      );
+    const container =
+      this._Addon.WorkspaceWindow.workspaceWindow.document.getElementById(
+        "zotero-knowledge-outline"
+      );
+    if (iframe) {
+      iframe.style.height = `${container.clientHeight - 60}px`;
+      iframe.style.width = `${container.clientWidth - 10}px`;
+    }
+  }
+}
+
+export default WorkspaceOutline;
diff --git a/src/workspace/workspaceWindow.ts b/src/workspace/workspaceWindow.ts
new file mode 100644
index 0000000..01ce1f9
--- /dev/null
+++ b/src/workspace/workspaceWindow.ts
@@ -0,0 +1,333 @@
+import Knowledge4Zotero from "../addon";
+import { EditorMessage, OutlineType } from "../utils";
+import AddonBase from "../module";
+
+class WorkspaceWindow extends AddonBase {
+  private _initIframe: ZoteroPromise;
+  public workspaceWindow: Window;
+  public workspaceTabId: string;
+  public workspaceNoteEditor: Zotero.EditorInstance | undefined;
+  public previewItemID: number;
+  private _firstInit: boolean;
+  public _workspacePromise: ZoteroPromise;
+
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+    this._initIframe = Zotero.Promise.defer();
+    this.workspaceTabId = "";
+    this._firstInit = true;
+  }
+
+  public getWorkspaceWindow(): Window | undefined {
+    if (this.workspaceWindow && !this.workspaceWindow.closed) {
+      return this.workspaceWindow;
+    }
+    return undefined;
+  }
+
+  async openWorkspaceWindow(
+    type: "window" | "tab" = "tab",
+    reopen: boolean = false,
+    select: boolean = true
+  ) {
+    if (this.getWorkspaceWindow()) {
+      if (!reopen) {
+        Zotero.debug("openWorkspaceWindow: focus");
+        if (this.workspaceTabId !== "WINDOW") {
+          Zotero_Tabs.select(this.workspaceTabId);
+        } else {
+          (this.getWorkspaceWindow() as Window).focus();
+        }
+        return;
+      } else {
+        Zotero.debug("openWorkspaceWindow: reopen");
+        this.closeWorkspaceWindow();
+      }
+    }
+    this._workspacePromise = Zotero.Promise.defer();
+    this._firstInit = true;
+    if (type === "window") {
+      Zotero.debug("openWorkspaceWindow: as window");
+      this._initIframe = Zotero.Promise.defer();
+      let win = window.open(
+        "chrome://Knowledge4Zotero/content/workspace.xul",
+        "_blank",
+        "chrome,extrachrome,menubar,resizable,scrollbars,status,width=1000,height=600"
+      );
+      this.workspaceWindow = win as Window;
+      this.workspaceTabId = "WINDOW";
+      await this.waitWorkspaceReady();
+      this.setWorkspaceNote("main");
+      this._Addon.NoteUtils.currentLine[this.getWorkspaceNote().id] = -1;
+      this.initKnowledgeWindow();
+      this._Addon.WorkspaceOutline.switchView(OutlineType.treeView);
+      this._Addon.WorkspaceOutline.updateOutline();
+      this._Addon.ZoteroViews.updateAutoInsertAnnotationsMenu();
+    } else {
+      Zotero.debug("openWorkspaceWindow: as tab");
+      this._initIframe = Zotero.Promise.defer();
+      // Avoid sidebar show up
+      Zotero_Tabs.jump(0);
+      let { id, container } = Zotero_Tabs.add({
+        type: "betternotes",
+        title: Zotero.locale.includes("zh") ? "工作区" : "Workspace",
+        index: 1,
+        data: {},
+        select: select,
+        onClose: () => (this.workspaceTabId = ""),
+      });
+      this.workspaceTabId = id;
+      const _iframe = window.document.createElement("browser");
+      _iframe.setAttribute("class", "reader");
+      _iframe.setAttribute("flex", "1");
+      _iframe.setAttribute("type", "content");
+      _iframe.setAttribute(
+        "src",
+        "chrome://Knowledge4Zotero/content/workspace.xul"
+      );
+      container.appendChild(_iframe);
+
+      // @ts-ignore
+      this.workspaceWindow = _iframe.contentWindow;
+      await this.waitWorkspaceReady();
+
+      this._Addon.ZoteroViews.hideMenuBar(this.workspaceWindow.document);
+
+      this._Addon.NoteUtils.currentLine[this.getWorkspaceNote().id] = -1;
+      this.initKnowledgeWindow();
+      this._Addon.WorkspaceOutline.switchView(OutlineType.treeView);
+      this._Addon.WorkspaceOutline.updateOutline();
+    }
+  }
+
+  public closeWorkspaceWindow() {
+    if (this.getWorkspaceWindow()) {
+      if (this.workspaceTabId !== "WINDOW") {
+        Zotero_Tabs.close(this.workspaceTabId);
+      } else {
+        (this.getWorkspaceWindow() as Window).close();
+      }
+    }
+    this.workspaceTabId = "";
+  }
+
+  public async waitWorkspaceReady() {
+    let _window = this.getWorkspaceWindow() as Window;
+    if (!_window) {
+      return false;
+    }
+    let t = 0;
+    await this._workspacePromise.promise;
+    return true;
+  }
+
+  public initKnowledgeWindow() {
+    this.workspaceWindow.addEventListener(
+      "message",
+      (e) => this.messageHandler(e),
+      false
+    );
+    this._Addon.WorkspaceOutline.currentOutline = OutlineType.treeView;
+    this.workspaceWindow.document
+      .getElementById("outline-switchview")
+      .addEventListener("click", async (e) => {
+        this._Addon.WorkspaceOutline.switchView();
+      });
+    this.workspaceWindow.addEventListener("resize", (e) =>
+      this._Addon.WorkspaceOutline.resizeOutline()
+    );
+    this.workspaceWindow.document
+      .getElementById("outline-splitter")
+      .addEventListener("mouseup", async (e) => {
+        this._Addon.WorkspaceOutline.resizeOutline();
+      });
+    this.workspaceWindow.addEventListener("close", (e) => {
+      this.workspaceWindow = undefined;
+      this.workspaceTabId = "";
+      this._Addon.ZoteroViews.updateAutoInsertAnnotationsMenu();
+    });
+  }
+
+  private async messageHandler(e) {
+    Zotero.debug(`Knowledge4Zotero: view message ${e.data.type}`);
+    console.log(`Knowledge4Zotero: view message ${e.data.type}`);
+    if (e.data.type === "ready") {
+      this._initIframe.resolve();
+    } else if (e.data.type === "getMindMapData") {
+      this._Addon.WorkspaceOutline.updateOutline();
+    } else if (e.data.type === "jumpNode") {
+      this._Addon.events.onEditorEvent(
+        new EditorMessage("jumpNode", {
+          params: e.data,
+        })
+      );
+    } else if (e.data.type === "jumpNote") {
+      Zotero.debug(e.data);
+      this._Addon.events.onEditorEvent(
+        new EditorMessage("onNoteLink", {
+          params: await this._Addon.NoteUtils.getNoteFromLink(e.data.link),
+        })
+      );
+    } else if (e.data.type === "moveNode") {
+      this._Addon.events.onEditorEvent(
+        new EditorMessage("moveNode", {
+          params: e.data,
+        })
+      );
+    }
+  }
+
+  public async getWorkspaceEditor(type: "main" | "preview" = "main") {
+    let _window = this._Addon.WorkspaceWindow.getWorkspaceWindow() as Window;
+    if (!_window) {
+      return;
+    }
+    await this._Addon.WorkspaceWindow.waitWorkspaceReady();
+    return _window.document.getElementById(`zotero-note-editor-${type}`);
+  }
+
+  getWorkspaceNote(): Zotero.Item {
+    return Zotero.Items.get(
+      Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID") as number
+    ) as Zotero.Item;
+  }
+
+  async getWorkspaceEditorInstance(
+    type: "main" | "preview" = "main",
+    wait: boolean = true
+  ): Promise<Zotero.EditorInstance | undefined> {
+    let noteEditor = (await this.getWorkspaceEditor(type)) as any;
+    if (!noteEditor) {
+      return;
+    }
+    let t = 0;
+    while (wait && !noteEditor.getCurrentInstance() && t < 500) {
+      t += 1;
+      await Zotero.Promise.delay(10);
+    }
+    this.workspaceNoteEditor =
+      noteEditor.getCurrentInstance() as Zotero.EditorInstance;
+    return this.workspaceNoteEditor;
+  }
+
+  getEditorInstance(note: Zotero.Item) {
+    // If there are multiple editors of main note available, we use the workspace editor.
+    if (
+      note.id === this.getWorkspaceNote().id &&
+      this.getWorkspaceWindow() &&
+      this.workspaceNoteEditor &&
+      !Components.utils.isDeadWrapper(this.workspaceNoteEditor._iframeWindow)
+    ) {
+      return this.workspaceNoteEditor;
+    }
+    const editor = (
+      Zotero.Notes._editorInstances as Zotero.EditorInstance[]
+    ).find(
+      (e) =>
+        e._item.id === note.id &&
+        !Components.utils.isDeadWrapper(e._iframeWindow)
+    );
+    if (note.id === this.getWorkspaceNote().id) {
+      this.workspaceNoteEditor = editor;
+    }
+    return editor;
+  }
+
+  async setWorkspaceNote(
+    type: "main" | "preview" = "main",
+    note: Zotero.Item | undefined = undefined,
+    showPopup: boolean = true
+  ) {
+    let _window = this.getWorkspaceWindow() as Window;
+    note = note || this.getWorkspaceNote();
+    if (!_window) {
+      return;
+    }
+    if (type === "preview") {
+      const splitter = _window.document.getElementById("preview-splitter");
+      splitter && splitter.setAttribute("state", "open");
+      this.previewItemID = note.id;
+    } else {
+      // Set line to default
+      this._Addon.NoteUtils.currentLine[note.id] = -1;
+      if (Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID") !== note.id) {
+        Zotero.Prefs.set("Knowledge4Zotero.mainKnowledgeID", note.id);
+      }
+    }
+    await this.waitWorkspaceReady();
+    let noteEditor: any = await this.getWorkspaceEditor(type);
+    if (!noteEditor._initialized) {
+      noteEditor._iframe.contentWindow.addEventListener(
+        "drop",
+        (event) => {
+          noteEditor._iframe.contentWindow.wrappedJSObject.droppedData =
+            Components.utils.cloneInto(
+              {
+                "text/plain": event.dataTransfer.getData("text/plain"),
+                "text/html": event.dataTransfer.getData("text/html"),
+                "zotero/annotation":
+                  event.dataTransfer.getData("zotero/annotation"),
+                "zotero/item": event.dataTransfer.getData("zotero/item"),
+              },
+              noteEditor._iframe.contentWindow
+            );
+        },
+        true
+      );
+      noteEditor._initialized = true;
+    }
+    noteEditor.mode = "edit";
+    noteEditor.viewMode = "library";
+    noteEditor.parent = null;
+    noteEditor.item = note;
+    if (!noteEditor || !noteEditor.getCurrentInstance()) {
+      await noteEditor.initEditor();
+    }
+
+    await noteEditor._editorInstance._initPromise;
+    const position = (
+      this._Addon.EditorViews.getEditorElement(
+        noteEditor._editorInstance._iframeWindow.document
+      ).parentNode as HTMLElement
+    ).scrollTop;
+    // Due to unknown reasons, only after the second init the editor will be correctly loaded.
+    // Thus we must init it twice
+    if (this._firstInit) {
+      this._firstInit = false;
+      await noteEditor.initEditor();
+    }
+    this._Addon.EditorViews.scrollToPosition(
+      noteEditor._editorInstance,
+      position
+    );
+    if (type === "main") {
+      this._Addon.WorkspaceOutline.updateOutline();
+      this._Addon.ZoteroViews.updateWordCount();
+      const recentMainNotes = Zotero.Items.get(
+        new Array(
+          ...new Set(
+            (
+              Zotero.Prefs.get("Knowledge4Zotero.recentMainNoteIds") as string
+            ).split(",")
+          )
+        )
+      ) as Zotero.Item[];
+      recentMainNotes.splice(0, 0, note);
+      Zotero.Prefs.set(
+        "Knowledge4Zotero.recentMainNoteIds",
+        new Array(...new Set(recentMainNotes.map((item) => String(item.id))))
+          .slice(0, 10)
+          .filter((id) => id)
+          .join(",")
+      );
+      if (showPopup) {
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Better Notes",
+          `Set main Note to: ${note.getNoteTitle()}`
+        );
+      }
+    }
+  }
+}
+
+export default WorkspaceWindow;
diff --git a/src/zotero/events.ts b/src/zotero/events.ts
new file mode 100644
index 0000000..5b2b95b
--- /dev/null
+++ b/src/zotero/events.ts
@@ -0,0 +1,1414 @@
+import Knowledge4Zotero from "../addon";
+import { CopyHelper, EditorMessage } from "../utils";
+import AddonBase from "../module";
+
+class AddonEvents extends AddonBase {
+  notifierCallback: any;
+  notifierCbkDict: any;
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+    this.notifierCallback = {
+      notify: async (
+        event: string,
+        type: string,
+        ids: Array<number | string>,
+        extraData: object
+      ) => {
+        if (event === "modify" && type === "item") {
+          if (
+            ids.indexOf(
+              Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID") as number
+            ) >= 0
+          ) {
+            Zotero.debug("Knowledge4Zotero: main knowledge modify check.");
+            this._Addon.WorkspaceOutline.updateOutline();
+            this._Addon.ZoteroViews.updateWordCount();
+          }
+          // Check Note Sync
+          const syncIds =
+            this._Addon.SyncController.getSyncNoteIds() as number[];
+          if (ids.filter((id) => syncIds.includes(id as number)).length > 0) {
+            this._Addon.SyncController.setSync();
+            Zotero.debug("Better Notes: sync planned.");
+          }
+        }
+        if (
+          (event == "select" &&
+            type == "tab" &&
+            extraData[ids[0]].type == "reader") ||
+          (event === "add" &&
+            type === "item" &&
+            (Zotero.Items.get(ids as number[]) as Zotero.Item[]).filter(
+              (item) => {
+                return item.isAnnotation();
+              }
+            ).length > 0) ||
+          (event === "close" && type === "tab") ||
+          (event === "open" && type === "file")
+        ) {
+          await this._Addon.ReaderViews.buildReaderAnnotationButtons();
+        }
+        if (event == "add" && type == "tab") {
+          if (ids[0] === this._Addon.WorkspaceWindow.workspaceTabId) {
+            const tabItem = document.querySelector(`.tab[data-id=${ids[0]}]`);
+            const tabTitle = tabItem && tabItem.querySelector(".tab-name");
+            tabTitle &&
+              (tabTitle.innerHTML = `${this._Addon.ZoteroViews.icons["tabIcon"]}${tabTitle.innerHTML}`);
+          }
+        }
+        if (event == "select" && type == "tab") {
+          if (extraData[ids[0]].type == "betternotes") {
+            let t = 0;
+            await this._Addon.WorkspaceWindow.waitWorkspaceReady();
+            while (
+              !(await this._Addon.WorkspaceWindow.getWorkspaceEditorInstance(
+                "main",
+                false
+              )) &&
+              t < 100
+            ) {
+              t += 1;
+              this._Addon.WorkspaceWindow.setWorkspaceNote(
+                "main",
+                undefined,
+                false
+              );
+              await Zotero.Promise.delay(100);
+            }
+
+            const _tabCover = document.getElementById("zotero-tab-cover");
+            const _contextPane = document.getElementById(
+              "zotero-context-pane"
+            ) as XUL.Element;
+            const _contextPaneSplitter = document.getElementById(
+              "zotero-context-splitter"
+            ) as XUL.Element;
+            const _tabToolbar = document.getElementById("zotero-tab-toolbar");
+            _contextPaneSplitter.setAttribute("hidden", true);
+            _contextPane.setAttribute("collapsed", true);
+            _tabToolbar && (_tabToolbar.hidden = true);
+            _tabCover && (_tabCover.hidden = true);
+            this._Addon.ZoteroViews.switchRealMenuBar(false);
+            this._Addon.ZoteroViews.switchKey(false);
+            this._Addon.ZoteroViews.updateWordCount();
+          } else {
+            this._Addon.ZoteroViews.switchRealMenuBar(true);
+            this._Addon.ZoteroViews.switchKey(true);
+          }
+        }
+        if (
+          Zotero.Prefs.get("Knowledge4Zotero.autoAnnotation") &&
+          event === "add" &&
+          type === "item" &&
+          (Zotero.Items.get(ids as number[]) as Zotero.Item[]).filter(
+            (item) => {
+              return item.isAnnotation();
+            }
+          ).length > 0
+        ) {
+          Zotero.debug("Knowledge4Zotero: autoAnnotation");
+          const annotations = (
+            Zotero.Items.get(ids as number[]) as Zotero.Item[]
+          ).filter((item) => {
+            return item.isAnnotation();
+          });
+          this.onEditorEvent(
+            new EditorMessage("addAnnotationToNote", {
+              params: { annotations: annotations },
+            })
+          );
+        }
+        if (event === "add" && type === "item-tag") {
+          const nodes: TreeModel.Node<object>[] =
+            this._Addon.NoteUtils.getNoteTreeAsList(
+              this._Addon.WorkspaceWindow.getWorkspaceNote()
+            );
+          const headings: string[] = nodes.map((node) => node.model.name);
+          console.log(ids, extraData, headings);
+
+          for (const tagId of ids.filter((t) => extraData[t].tag[0] === "#")) {
+            const tagName = (extraData[tagId].tag as string).slice(1).trim();
+            if (headings.includes(tagName) || tagName === "#") {
+              let lineIndex: number;
+              let sectionName: string;
+              if (tagName === "#") {
+                lineIndex = -1;
+                sectionName = "";
+              } else {
+                const targetNode = nodes.find(
+                  (node) => node.model.name === tagName
+                );
+                lineIndex = targetNode.model.endIndex;
+                sectionName = targetNode.model.name;
+              }
+
+              const item = Zotero.Items.get(
+                (tagId as string).split("-")[0]
+              ) as Zotero.Item;
+              if (item.isAnnotation()) {
+                this.onEditorEvent(
+                  new EditorMessage("addAnnotationToNote", {
+                    params: {
+                      annotations: [item],
+                      lineIndex: lineIndex,
+                      sectionName: sectionName,
+                    },
+                  })
+                );
+              } else if (item.isNote()) {
+                this.onEditorEvent(
+                  new EditorMessage("addToNote", {
+                    params: {
+                      itemID: item.id,
+                      lineIndex: lineIndex,
+                      sectionName: sectionName,
+                    },
+                  })
+                );
+              }
+            }
+          }
+        }
+        for (const cbk of Object.values(this.notifierCbkDict)) {
+          (cbk as Function)(event, type, ids, extraData);
+        }
+      },
+    };
+    this.notifierCbkDict = {};
+  }
+
+  public async onInit() {
+    Zotero.debug("Knowledge4Zotero: init called");
+    this.initProxyHandler();
+
+    this.addEditorInstanceListener();
+    // Register the callback in Zotero as an item observer
+    let notifierID = Zotero.Notifier.registerObserver(this.notifierCallback, [
+      "item",
+      "tab",
+      "file",
+      "item-tag",
+    ]);
+
+    // Unregister callback when the window closes (important to avoid a memory leak)
+    window.addEventListener(
+      "unload",
+      (e) => {
+        Zotero.Notifier.unregisterObserver(notifierID);
+      },
+      false
+    );
+
+    await Zotero.uiReadyPromise;
+    this._Addon.ZoteroViews.addOpenWorkspaceButton();
+    this._Addon.ZoteroViews.addNewMainNoteButton();
+
+    if (!Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID")) {
+      this.onEditorEvent(new EditorMessage("openUserGuide", {}));
+    }
+    this.resetState();
+
+    this.initWorkspaceTab();
+    this._Addon.ZoteroViews.keppDefaultMenuOrder();
+    this._Addon.ZoteroViews.switchRealMenuBar(true);
+    this._Addon.ZoteroViews.switchKey(true);
+
+    this.initItemSelectListener();
+
+    // Set a init sync
+    this._Addon.SyncController.setSync();
+  }
+
+  private initProxyHandler() {
+    const openNoteExtension = {
+      noContent: true,
+      doAction: async (uri: any) => {
+        let message = {
+          type: "onNoteLink",
+          content: {
+            params: await this._Addon.NoteUtils.getNoteFromLink(uri.spec),
+          },
+        };
+        await this._Addon.events.onEditorEvent(message);
+      },
+      newChannel: function (uri: any) {
+        this.doAction(uri);
+      },
+    };
+    Services.io.getProtocolHandler("zotero").wrappedJSObject._extensions[
+      "zotero://note"
+    ] = openNoteExtension;
+  }
+
+  private async initWorkspaceTab() {
+    let state = Zotero.Session.state.windows.find((x) => x.type === "pane");
+    Zotero.debug("initWorkspaceTab");
+    Zotero.debug(state);
+    if (state) {
+      const noteTab = state.tabs.find((t) => t.type === "betternotes");
+      Zotero.debug(noteTab);
+      if (noteTab) {
+        let t = 0;
+        while (t < 5) {
+          t += 1;
+          try {
+            await this._Addon.WorkspaceWindow.openWorkspaceWindow(
+              "tab",
+              false,
+              false
+            );
+            break;
+          } catch (e) {
+            this._Addon.ZoteroViews.showProgressWindow(
+              "Recovering Note Workspace Failed",
+              e
+            );
+          }
+          await Zotero.Promise.delay(1000);
+        }
+      }
+    }
+  }
+
+  private initItemSelectListener() {
+    ZoteroPane.itemsView.onSelect.addListener(() => {
+      const items = ZoteroPane.getSelectedItems();
+      const hasNote = items.filter((i) => i.isNote()).length > 0;
+      const singleItem = items.length === 1;
+      document
+        .querySelectorAll(".popup-type-single")
+        .forEach((el) => ((el as HTMLElement).hidden = !singleItem));
+      document
+        .querySelectorAll(".popup-type-multiple")
+        .forEach((el) => ((el as HTMLElement).hidden = singleItem));
+      document
+        .querySelectorAll(".popup-type-single-note")
+        .forEach(
+          (el) => ((el as HTMLElement).hidden = !(singleItem && hasNote))
+        );
+    });
+  }
+
+  private addEditorInstanceListener() {
+    if (!Zotero.Notes._knowledgeInit) {
+      Zotero.Notes._knowledgeInit = true;
+      Zotero.Notes._registerEditorInstance =
+        Zotero.Notes.registerEditorInstance;
+      Zotero.Notes.registerEditorInstance = async (
+        instance: Zotero.EditorInstance
+      ) => {
+        Zotero.Notes._registerEditorInstance(instance);
+        await instance._initPromise;
+
+        instance._knowledgeUIInitialized = false;
+
+        const noteItem = instance._item;
+        const isPrint = this._Addon.NoteExport._pdfNoteId === noteItem.id;
+
+        // item.getNote may not be initialized yet
+        if (Zotero.ItemTypes.getID("note") !== noteItem.itemTypeID) {
+          return;
+        }
+
+        Zotero.debug(`Knowledge4Zotero: note editor initializing...`);
+        await this._Addon.EditorViews.initEditor(instance);
+        Zotero.debug(`Knowledge4Zotero: note editor initialized.`);
+
+        if (!instance._knowledgeSelectionInitialized) {
+          instance._iframeWindow.document.addEventListener(
+            "selectionchange",
+            async (e) => {
+              await this._Addon.NoteUtils.onSelectionChange(instance);
+            }
+          );
+          instance._knowledgeSelectionInitialized = true;
+        }
+
+        // Check if this is a window for print
+        if (isPrint) {
+          instance._iframeWindow.postMessage({ type: "exportPDF" }, "*");
+          this._Addon.NoteExport._pdfNoteId = -1;
+          return;
+        }
+
+        instance._knowledgeUIInitialized = true;
+      };
+    }
+  }
+
+  private resetState(): void {
+    // Reset preferrence state.
+    this._Addon.TemplateController.resetTemplates();
+    // Initialize citation style
+    this._Addon.TemplateController.getCitationStyle();
+    // Initialize sync notes
+    this._Addon.SyncController.getSyncNoteIds();
+    this._Addon.ZoteroViews.updateAutoInsertAnnotationsMenu();
+  }
+
+  public addNotifyListener(name: string, cbk: Function) {
+    this.notifierCbkDict[name] = cbk;
+  }
+
+  public removeNotifyListener(name: string) {
+    delete this.notifierCbkDict[name];
+  }
+
+  public async onEditorEvent(message: EditorMessage) {
+    Zotero.debug(`Knowledge4Zotero: onEditorEvent\n${message.type}`);
+    const mainNote = this._Addon.WorkspaceWindow.getWorkspaceNote();
+    if (message.type === "openUserGuide") {
+      /*
+        message.content = {}
+      */
+      window.open(
+        "chrome://Knowledge4Zotero/content/wizard.xul",
+        "_blank",
+        // margin=44+44/32+10+10+53, final space is 700*500
+        "chrome,extrachrome,centerscreen,width=650,height=608"
+      );
+    } else if (message.type === "openAbout") {
+      /*
+        message.content = {}
+      */
+      // @ts-ignore
+      window.openDialog(
+        "chrome://Knowledge4Zotero/content/about.xul",
+        "about",
+        "chrome,centerscreen"
+      );
+    } else if (message.type === "openWorkspace") {
+      /*
+        message.content = {event?}
+      */
+      if (
+        message.content.event &&
+        (message.content.event as unknown as MouseEvent).shiftKey
+      ) {
+        await this._Addon.WorkspaceWindow.openWorkspaceWindow("window", true);
+      } else {
+        await this._Addon.WorkspaceWindow.openWorkspaceWindow();
+      }
+    } else if (message.type === "openWorkspaceInWindow") {
+      /*
+        message.content = {}
+      */
+      await this._Addon.WorkspaceWindow.openWorkspaceWindow("window", true);
+    } else if (message.type === "closeWorkspace") {
+      /*
+        message.content = {}
+      */
+      this._Addon.WorkspaceWindow.closeWorkspaceWindow();
+    } else if (message.type === "createWorkspace") {
+      /*
+        message.content = {}
+      */
+      const currentCollection = ZoteroPane_Local.getSelectedCollection();
+      if (!currentCollection) {
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Better Notes",
+          "Please select a collection before creating a new main note."
+        );
+        return;
+      }
+      const res = confirm(
+        `Will create a new note under collection '${currentCollection.getName()}' and set it the main note. Continue?`
+      );
+      if (!res) {
+        return;
+      }
+      const header = prompt(
+        "Enter new note header:",
+        `New Note ${new Date().toLocaleString()}`
+      );
+      const noteID = await ZoteroPane_Local.newNote();
+      (Zotero.Items.get(noteID) as Zotero.Item).setNote(
+        `<div data-schema-version="8"><h1>${header}</h1>\n</div>`
+      );
+      await this.onEditorEvent(
+        new EditorMessage("setMainNote", {
+          params: { itemID: noteID, enableConfirm: false, enableOpen: true },
+        })
+      );
+      await this._Addon.WorkspaceWindow.openWorkspaceWindow();
+    } else if (message.type === "selectMainNote") {
+      /*
+        message.content = {}
+      */
+      const io = {
+        // Not working
+        singleSelection: true,
+        dataIn: null,
+        dataOut: null,
+        deferred: Zotero.Promise.defer(),
+      };
+
+      (window as unknown as XUL.XULWindow).openDialog(
+        "chrome://zotero/content/selectItemsDialog.xul",
+        "",
+        "chrome,dialog=no,centerscreen,resizable=yes",
+        io
+      );
+      await io.deferred.promise;
+
+      const ids = io.dataOut as unknown as number[];
+      if (ids.length === 0) {
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Knowledge",
+          "No note selected."
+        );
+        return;
+      } else if (ids.length > 1) {
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Better Notes",
+          "Please select a note item."
+        );
+        return;
+      }
+
+      const note = Zotero.Items.get(ids[0]) as Zotero.Item;
+      if (note && note.isNote()) {
+        this.onEditorEvent(
+          new EditorMessage("setMainNote", {
+            params: { itemID: note.id, enableConfirm: false, enableOpen: true },
+          })
+        );
+      } else {
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Better Notes",
+          "Not a valid note item."
+        );
+      }
+    } else if (message.type === "setMainNote") {
+      /*
+        message.content = {
+          params: {itemID, enableConfirm, enableOpen}
+        }
+      */
+      Zotero.debug("Knowledge4Zotero: setMainNote");
+      let mainKnowledgeID = parseInt(
+        Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID") as string
+      );
+      let itemID = message.content.params.itemID;
+      const item = Zotero.Items.get(itemID) as Zotero.Item;
+      if (itemID === mainKnowledgeID) {
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Better Notes",
+          "Already a main Note."
+        );
+        return;
+      } else if (!item.isNote()) {
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Better Notes",
+          "Not a valid note item."
+        );
+      } else {
+        if (
+          message.content.params.enableConfirm &&
+          Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID")
+        ) {
+          let confirmChange = confirm(
+            "Will change current Knowledge Workspace. Confirm?"
+          );
+          if (!confirmChange) {
+            return;
+          }
+        }
+        if (message.content.params.enableOpen) {
+          await this._Addon.WorkspaceWindow.openWorkspaceWindow();
+        }
+        await this._Addon.WorkspaceWindow.setWorkspaceNote("main", item);
+      }
+    } else if (message.type === "insertCitation") {
+      /*
+        message.content = {
+          editorInstance?, event?, params?: {
+              noteItem: noteItem,
+              topItem: topItem,
+            },
+        }
+      */
+      let noteItem = message.content.editorInstance
+        ? message.content.editorInstance._item
+        : message.content.params.noteItem;
+      let topItems: Zotero.Item[] = [];
+      console.log(message);
+      if (message.content.event) {
+        const topItemID = Number(
+          message.content.event.target.id.split("-").pop()
+        );
+        topItems = Zotero.Items.get([topItemID]) as Zotero.Item[];
+      }
+      if (!topItems.length) {
+        const io = {
+          // Not working
+          singleSelection: false,
+          dataIn: null,
+          dataOut: null,
+          deferred: Zotero.Promise.defer(),
+        };
+
+        (window as unknown as XUL.XULWindow).openDialog(
+          "chrome://zotero/content/selectItemsDialog.xul",
+          "",
+          "chrome,dialog=no,centerscreen,resizable=yes",
+          io
+        );
+        await io.deferred.promise;
+
+        const ids = io.dataOut as unknown as number[];
+        topItems = (Zotero.Items.get(ids) as Zotero.Item[]).filter(
+          (item: Zotero.Item) => item.isRegularItem()
+        );
+        if (topItems.length === 0) {
+          return;
+        }
+      }
+      let format = this._Addon.TemplateController.getCitationStyle();
+      const cite = Zotero.QuickCopy.getContentFromItems(
+        topItems,
+        format,
+        null,
+        0
+      );
+      this._Addon.NoteUtils.addLineToNote(noteItem, cite.html, -1);
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes",
+        `${
+          topItems.length > 3
+            ? topItems.length + "items"
+            : topItems.map((i) => i.getField("title")).join("\n")
+        } cited.`
+      );
+    } else if (message.type === "setRecentMainNote") {
+      /*
+        message.content = {
+          editorInstance?, event?
+        }
+      */
+      await this._Addon.WorkspaceWindow.setWorkspaceNote(
+        "main",
+        Zotero.Items.get(
+          message.content.event.target.id.split("-").pop()
+        ) as Zotero.Item
+      );
+    } else if (message.type === "addToNoteEnd") {
+      /*
+        message.content = {
+          editorInstance
+        }
+      */
+      Zotero.debug("Knowledge4Zotero: addToNoteEnd");
+      this._Addon.NoteUtils.addLinkToNote(
+        mainNote,
+        (message.content.editorInstance as Zotero.EditorInstance)._item,
+        // -1 for automatically insert to current selected line or end of note
+        -1,
+        ""
+      );
+    } else if (message.type === "addToNote") {
+      /*
+        message.content = {
+          editorInstance?,
+          event?,
+          params: {
+            itemID: number,
+            lineIndex: number,
+            sectionName: string
+          }
+        }
+      */
+      Zotero.debug("Knowledge4Zotero: addToNote");
+      let lineIndex = message.content.params?.lineIndex;
+      if (typeof lineIndex === "undefined") {
+        const eventInfo = (message.content.event as XUL.XULEvent).target.id;
+        Zotero.debug(eventInfo);
+        const idSplit = eventInfo.split("-");
+        lineIndex = parseInt(idSplit.pop());
+      }
+      let sectionName = message.content.params?.sectionName;
+      if (typeof sectionName === "undefined") {
+        sectionName = (message.content.event as XUL.XULEvent).target.innerText;
+      }
+
+      this._Addon.NoteUtils.addLinkToNote(
+        mainNote,
+        message.content.params?.itemID
+          ? (Zotero.Items.get(message.content.params.itemID) as Zotero.Item)
+          : (message.content.editorInstance as Zotero.EditorInstance)._item,
+        lineIndex,
+        sectionName
+      );
+    } else if (message.type === "addAnnotationToNote") {
+      /*
+        message.content = {
+          params: {
+            annotations: Zotero.Item[],
+            lineIndex?: number
+          }
+        }
+      */
+      const useLineIndex = message.content.params?.lineIndex >= 0;
+      let currentLine = useLineIndex ? message.content.params?.lineIndex : -1;
+      const annotations = message.content.params.annotations;
+      const workspaceNote = this._Addon.WorkspaceWindow.getWorkspaceNote();
+
+      const html = await this._Addon.NoteUtils.addAnnotationsToNote(
+        workspaceNote,
+        annotations,
+        currentLine
+      );
+      if (!useLineIndex) {
+        currentLine = this._Addon.NoteUtils.currentLine[workspaceNote.id];
+        currentLine = currentLine >= 0 ? currentLine : -1;
+
+        if (currentLine >= 0) {
+          // Compute annotation lines length
+          const temp = document.createElementNS(
+            "http://www.w3.org/1999/xhtml",
+            "div"
+          );
+          temp.innerHTML = html;
+          const elementList = this._Addon.NoteParse.parseHTMLElements(temp);
+          // Move cursor foward
+          this._Addon.NoteUtils.currentLine[workspaceNote.id] +=
+            elementList.length;
+        }
+      }
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes",
+        `Insert Annotation to ${
+          currentLine >= 0 ? `line ${currentLine} in` : "end of"
+        } main note`
+      );
+    } else if (message.type === "jumpNode") {
+      /*
+        message.content = {
+          params: {id, lineIndex}
+        }
+      */
+      Zotero.debug(message.content.params);
+      let editorInstance =
+        await this._Addon.WorkspaceWindow.getWorkspaceEditorInstance();
+      // Set node id
+      this._Addon.WorkspaceOutline.currentNodeID = parseInt(
+        message.content.params.id
+      );
+      this._Addon.EditorViews.scrollToLine(
+        editorInstance,
+        // Scroll to line
+        message.content.params.lineIndex
+      );
+    } else if (message.type === "moveNode") {
+      /*
+        message.content = {
+          params: {
+            fromID, toID, moveType: "before" | "child"
+          }
+        }
+      */
+      const workspaceNote = this._Addon.WorkspaceWindow.getWorkspaceNote();
+      let tree = this._Addon.NoteUtils.getNoteTree(workspaceNote);
+      let fromNode = this._Addon.NoteUtils.getNoteTreeNodeById(
+        workspaceNote,
+        message.content.params.fromID,
+        tree
+      );
+      let toNode = this._Addon.NoteUtils.getNoteTreeNodeById(
+        workspaceNote,
+        message.content.params.toID,
+        tree
+      );
+      Zotero.debug(fromNode.model);
+      Zotero.debug(toNode.model);
+      Zotero.debug(message.content.params.moveType);
+      this._Addon.NoteUtils.moveHeaderLineInNote(
+        mainNote,
+        fromNode,
+        toNode,
+        message.content.params.moveType
+      );
+    } else if (message.type === "closePreview") {
+      /*
+        message.content = {
+          editorInstance
+        }
+      */
+      const _window =
+        this._Addon.WorkspaceWindow.getWorkspaceWindow() as Window;
+      const splitter = _window.document.getElementById("preview-splitter");
+      splitter && splitter.setAttribute("state", "collapsed");
+    } else if (message.type === "onNoteLink") {
+      /*
+        message.content = {
+          params: {
+            item: Zotero.Item | boolean,
+            infoText: string
+            args: {}
+          }
+        }
+      */
+      if (!message.content.params.item) {
+        Zotero.debug(`Knowledge4Zotero: ${message.content.params.infoText}`);
+      }
+      Zotero.debug(
+        `Knowledge4Zotero: onNoteLink ${message.content.params.item.id}`
+      );
+      // Copy and save
+      const oldEditors = Zotero.Notes._editorInstances.map(
+        (e): string => e.instanceID
+      );
+      let _window = this._Addon.WorkspaceWindow.getWorkspaceWindow();
+      if (_window) {
+        if (
+          message.content.params.item.id !==
+          Zotero.Prefs.get("Knowledge4Zotero.mainKnowledgeID")
+        ) {
+          this._Addon.WorkspaceWindow.setWorkspaceNote(
+            "preview",
+            message.content.params.item
+          );
+        }
+        this._Addon.WorkspaceWindow.openWorkspaceWindow();
+      } else {
+        ZoteroPane.openNoteWindow(message.content.params.item.id);
+      }
+      if (message.content.params.args.line) {
+        let t = 0;
+        let newEditors = Zotero.Notes._editorInstances.filter(
+          (e) => !oldEditors.includes(e.instanceID) && e._knowledgeUIInitialized
+        );
+        while (newEditors.length === 0 && t < 500) {
+          t += 1;
+          await Zotero.Promise.delay(10);
+          newEditors = Zotero.Notes._editorInstances.filter(
+            (e) => !oldEditors.includes(e.instanceID)
+          );
+        }
+        newEditors.forEach((e) => {
+          this._Addon.EditorViews.scrollToLine(
+            e,
+            // Scroll to line
+            message.content.params.args.line
+          );
+        });
+      }
+    } else if (message.type === "updateAutoAnnotation") {
+      /*
+        message.content = {
+          editorInstance
+        }
+      */
+      let autoAnnotation = Zotero.Prefs.get("Knowledge4Zotero.autoAnnotation");
+      autoAnnotation = !autoAnnotation;
+      Zotero.Prefs.set("Knowledge4Zotero.autoAnnotation", autoAnnotation);
+      this._Addon.ZoteroViews.updateAutoInsertAnnotationsMenu();
+    } else if (message.type === "insertNotes") {
+      /*
+        message.content = {}
+      */
+      const io = {
+        // Not working
+        singleSelection: true,
+        dataIn: null,
+        dataOut: null,
+        deferred: Zotero.Promise.defer(),
+      };
+
+      (window as unknown as XUL.XULWindow).openDialog(
+        "chrome://zotero/content/selectItemsDialog.xul",
+        "",
+        "chrome,dialog=no,centerscreen,resizable=yes",
+        io
+      );
+      await io.deferred.promise;
+
+      const ids = io.dataOut as unknown as number[];
+      const notes = (Zotero.Items.get(ids) as Zotero.Item[]).filter(
+        (item: Zotero.Item) => item.isNote()
+      );
+      if (notes.length === 0) {
+        return;
+      }
+
+      const newLines: string[] = [];
+      newLines.push("<h1>Imported Notes</h1>");
+      newLines.push("<p> </p>");
+
+      for (const note of notes) {
+        const linkURL = this._Addon.NoteUtils.getNoteLink(note);
+        const linkText = note.getNoteTitle().trim();
+        newLines.push(
+          `<p><a href="${linkURL}">${linkText ? linkText : linkURL}</a></p>`
+        );
+        newLines.push("<p> </p>");
+      }
+      await this._Addon.NoteUtils.addLineToNote(
+        mainNote,
+        newLines.join("\n"),
+        -1
+      );
+    } else if (message.type === "insertTextUsingTemplate") {
+      /*
+        message.content = {
+          params: {templateName, copy}
+        }
+      */
+      const newLines: string[] = [];
+
+      const progressWindow = this._Addon.ZoteroViews.showProgressWindow(
+        "Running Template",
+        message.content.params.templateName,
+        "default",
+        -1
+      );
+      const renderredTemplate =
+        (await this._Addon.TemplateController.renderTemplateAsync(
+          message.content.params.templateName
+        )) as string;
+
+      if (renderredTemplate) {
+        newLines.push(renderredTemplate);
+        newLines.push("<p> </p>");
+        const html = newLines.join("\n");
+        if (message.content.params.copy) {
+          console.log(html);
+          new CopyHelper()
+            .addText(html, "text/html")
+            .addText(this._Addon.NoteParse.parseHTMLToMD(html), "text/unicode")
+            .copy();
+          progressWindow.changeHeadline("Template Copied");
+        } else {
+          // End of line
+          await this._Addon.NoteUtils.addLineToNote(mainNote, html, -1, false);
+          progressWindow.changeHeadline("Running Template Finished");
+        }
+      } else {
+        progressWindow.changeHeadline("Running Template Failed");
+      }
+      progressWindow.startCloseTimer(5000);
+    } else if (message.type === "insertItemUsingTemplate") {
+      /*
+        message.content = {
+          params: {templateName}
+        }
+      */
+      const io = {
+        // Not working
+        singleSelection: true,
+        dataIn: null,
+        dataOut: null,
+        deferred: Zotero.Promise.defer(),
+      };
+
+      (window as unknown as XUL.XULWindow).openDialog(
+        "chrome://zotero/content/selectItemsDialog.xul",
+        "",
+        "chrome,dialog=no,centerscreen,resizable=yes",
+        io
+      );
+      await io.deferred.promise;
+
+      const ids = io.dataOut as unknown as number[];
+      const items = (Zotero.Items.get(ids) as Zotero.Item[]).filter(
+        (item: Zotero.Item) => item.isRegularItem()
+      );
+      if (items.length === 0) {
+        return;
+      }
+      const progressWindow = this._Addon.ZoteroViews.showProgressWindow(
+        "Running Template",
+        message.content.params.templateName,
+        "default",
+        -1
+      );
+      const newLines: string[] = [];
+      newLines.push("<p> </p>");
+
+      const toCopyImage: Zotero.Item[] = [];
+
+      const copyNoteImage = (noteItem: Zotero.Item) => {
+        toCopyImage.push(noteItem);
+      };
+
+      const editor =
+        await this._Addon.WorkspaceWindow.getWorkspaceEditorInstance(
+          "main",
+          false
+        );
+
+      const sharedObj = {};
+
+      let renderredTemplate =
+        await this._Addon.TemplateController.renderTemplateAsync(
+          message.content.params.templateName,
+          "items, copyNoteImage, editor, sharedObj",
+          [items, copyNoteImage, editor, sharedObj],
+          true,
+          "beforeloop"
+        );
+
+      if (renderredTemplate) {
+        newLines.push(renderredTemplate);
+        newLines.push("<p> </p>");
+      }
+
+      for (const topItem of items) {
+        /*
+            Available variables:
+            topItem, itemNotes, copyNoteImage, editor
+          */
+
+        const itemNotes: Zotero.Item[] = Zotero.Items.get(
+          topItem.getNotes()
+        ) as Zotero.Item[];
+
+        renderredTemplate =
+          await this._Addon.TemplateController.renderTemplateAsync(
+            message.content.params.templateName,
+            "topItem, itemNotes, copyNoteImage, editor, sharedObj",
+            [topItem, itemNotes, copyNoteImage, editor, sharedObj],
+            true,
+            "default"
+          );
+
+        if (renderredTemplate) {
+          newLines.push(renderredTemplate);
+          newLines.push("<p> </p>");
+        }
+      }
+
+      renderredTemplate =
+        await this._Addon.TemplateController.renderTemplateAsync(
+          message.content.params.templateName,
+          "items, copyNoteImage, editor, sharedObj",
+          [items, copyNoteImage, editor, sharedObj],
+          true,
+          "afterloop"
+        );
+
+      if (renderredTemplate) {
+        newLines.push(renderredTemplate);
+        newLines.push("<p> </p>");
+      }
+
+      if (newLines) {
+        const html = newLines.join("\n");
+        if (message.content.params.copy) {
+          console.log(html);
+
+          new CopyHelper()
+            .addText(html, "text/html")
+            .addText(this._Addon.NoteParse.parseHTMLToMD(html), "text/unicode")
+            .copy();
+          progressWindow.changeHeadline("Template Copied");
+        } else {
+          const forceMetadata = toCopyImage.length > 0;
+          console.log(toCopyImage);
+          await this._Addon.NoteUtils.addLineToNote(
+            mainNote,
+            html,
+            -1,
+            forceMetadata
+          );
+          await Zotero.DB.executeTransaction(async () => {
+            for (const subNote of toCopyImage) {
+              await Zotero.Notes.copyEmbeddedImages(subNote, mainNote);
+            }
+          });
+          progressWindow.changeHeadline("Running Template Finished");
+        }
+      } else {
+        progressWindow.changeHeadline("Running Template Failed");
+      }
+      progressWindow.startCloseTimer(5000);
+    } else if (message.type === "insertNoteUsingTemplate") {
+      /*
+        message.content = {
+          params: {templateName}
+        }
+      */
+      const io = {
+        // Not working
+        singleSelection: true,
+        dataIn: null,
+        dataOut: null,
+        deferred: Zotero.Promise.defer(),
+      };
+
+      (window as unknown as XUL.XULWindow).openDialog(
+        "chrome://zotero/content/selectItemsDialog.xul",
+        "",
+        "chrome,dialog=no,centerscreen,resizable=yes",
+        io
+      );
+      await io.deferred.promise;
+
+      const ids = io.dataOut as unknown as number[];
+      const notes = (Zotero.Items.get(ids) as Zotero.Item[]).filter(
+        (item: Zotero.Item) => item.isNote()
+      );
+      if (notes.length === 0) {
+        return;
+      }
+      const progressWindow = this._Addon.ZoteroViews.showProgressWindow(
+        "Running Template",
+        message.content.params.templateName,
+        "default",
+        -1
+      );
+      const newLines: string[] = [];
+      newLines.push("<p> </p>");
+
+      const toCopyImage: Zotero.Item[] = [];
+
+      const copyNoteImage = (noteItem: Zotero.Item) => {
+        toCopyImage.push(noteItem);
+      };
+
+      const editor =
+        await this._Addon.WorkspaceWindow.getWorkspaceEditorInstance(
+          "main",
+          false
+        );
+      const sharedObj = {};
+
+      let renderredTemplate =
+        await this._Addon.TemplateController.renderTemplateAsync(
+          message.content.params.templateName,
+          "notes, copyNoteImage, editor, sharedObj",
+          [notes, copyNoteImage, editor, sharedObj],
+          true,
+          "beforeloop"
+        );
+
+      if (renderredTemplate) {
+        newLines.push(renderredTemplate);
+        newLines.push("<p> </p>");
+      }
+
+      for (const noteItem of notes) {
+        /*
+          Available variables:
+          noteItem, topItem, link, copyNoteImage, editor
+        */
+        let topItem = noteItem.parentItem;
+        while (topItem && !topItem.isRegularItem()) {
+          topItem = topItem.parentItem;
+        }
+        const linkURL = this._Addon.NoteUtils.getNoteLink(noteItem);
+        const linkText = noteItem.getNoteTitle().trim();
+        const link = `<p><a href="${linkURL}">${
+          linkText ? linkText : linkURL
+        }</a></p>`;
+
+        renderredTemplate =
+          await this._Addon.TemplateController.renderTemplateAsync(
+            message.content.params.templateName,
+            "noteItem, topItem, link, copyNoteImage, editor, sharedObj",
+            [noteItem, topItem, link, copyNoteImage, editor, sharedObj],
+            true,
+            "default"
+          );
+
+        if (renderredTemplate) {
+          newLines.push(renderredTemplate);
+          newLines.push("<p> </p>");
+        }
+      }
+
+      renderredTemplate =
+        await this._Addon.TemplateController.renderTemplateAsync(
+          message.content.params.templateName,
+          "notes, copyNoteImage, editor, sharedObj",
+          [notes, copyNoteImage, editor, sharedObj],
+          true,
+          "afterloop"
+        );
+
+      if (renderredTemplate) {
+        newLines.push(renderredTemplate);
+        newLines.push("<p> </p>");
+      }
+
+      if (newLines) {
+        const html = newLines.join("\n");
+        if (message.content.params.copy) {
+          console.log(html);
+
+          new CopyHelper()
+            .addText(html, "text/html")
+            .addText(this._Addon.NoteParse.parseHTMLToMD(html), "text/unicode")
+            .copy();
+          progressWindow.changeHeadline("Template Copied");
+        } else {
+          const forceMetadata = toCopyImage.length > 0;
+          console.log(toCopyImage);
+          await this._Addon.NoteUtils.addLineToNote(
+            mainNote,
+            html,
+            -1,
+            forceMetadata
+          );
+          await Zotero.DB.executeTransaction(async () => {
+            for (const subNote of toCopyImage) {
+              await Zotero.Notes.copyEmbeddedImages(subNote, mainNote);
+            }
+          });
+          progressWindow.changeHeadline("Running Template Finished");
+        }
+      } else {
+        progressWindow.changeHeadline("Running Template Failed");
+      }
+      progressWindow.startCloseTimer(5000);
+    } else if (message.type === "editTemplate") {
+      /*
+        message.content = {}
+      */
+      this._Addon.TemplateWindow.openEditor();
+    } else if (message.type === "export") {
+      /*
+        message.content = {
+          editorInstance?, params?: {item}
+        }
+      */
+      let item = message.content.editorInstance
+        ? message.content.editorInstance._item
+        : message.content.params.item;
+
+      if (!item) {
+        item = this._Addon.WorkspaceWindow.getWorkspaceNote();
+      }
+      // If this note is in sync list, open sync window
+      if (this._Addon.SyncController.getSyncNoteIds().includes(item.id)) {
+        const io = {
+          dataIn: item,
+          dataOut: {} as any,
+          deferred: Zotero.Promise.defer(),
+        };
+
+        (window as unknown as XUL.XULWindow).openDialog(
+          "chrome://Knowledge4Zotero/content/sync.xul",
+          "",
+          "chrome,centerscreen,width=500,height=200",
+          io
+        );
+        await io.deferred.promise;
+        if (!io.dataOut.export) {
+          return;
+        }
+      }
+      const io = {
+        dataIn: null,
+        dataOut: null,
+        deferred: Zotero.Promise.defer(),
+      };
+
+      (window as unknown as XUL.XULWindow).openDialog(
+        "chrome://Knowledge4Zotero/content/export.xul",
+        "",
+        "chrome,centerscreen,width=400,height=400,resizable=yes",
+        io
+      );
+      await io.deferred.promise;
+
+      const options = io.dataOut as any;
+      if (!options) {
+        return;
+      }
+      if (options.exportFile && options.exportSingleFile) {
+        await this._Addon.NoteExport.exportNotesToFile(
+          [item],
+          false,
+          options.exportAutoSync
+        );
+      } else {
+        await this._Addon.NoteExport.exportNoteToFile(
+          item,
+          options.embedLink,
+          options.exportFile,
+          options.exportNote,
+          options.exportCopy,
+          options.exportPDF
+        );
+      }
+    } else if (message.type === "exportNotes") {
+      /*
+        message.content = {}
+      */
+      const items = ZoteroPane.getSelectedItems();
+      const noteItems: Zotero.Item[] = [];
+      items.forEach((item) => {
+        if (item.isNote()) {
+          noteItems.push(item);
+        }
+        if (item.isRegularItem()) {
+          noteItems.splice(
+            0,
+            0,
+            ...(Zotero.Items.get(item.getNotes()) as Zotero.Item[])
+          );
+        }
+      });
+      if (noteItems.length === 0) {
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Better Notes",
+          "No standalone/item note selected."
+        );
+      } else if (noteItems.length === 1) {
+        this.onEditorEvent(
+          new EditorMessage("export", { params: { item: noteItems[0] } })
+        );
+      } else {
+        const useSingleFile = confirm("Export linked notes to markdown files?");
+        await this._Addon.NoteExport.exportNotesToFile(
+          noteItems,
+          !useSingleFile
+        );
+      }
+    } else if (message.type === "sync") {
+      /*
+        message.content = {
+          editorInstance
+        }
+      */
+      const note = this._Addon.WorkspaceWindow.getWorkspaceNote();
+      if (this._Addon.SyncController.isSyncNote(note)) {
+        this._Addon.SyncController.doSync([note], true, false);
+      } else {
+        await this._Addon.NoteExport.exportNotesToFile([note], false, true);
+      }
+    } else if (message.type === "openAttachment") {
+      /*
+        message.content = {
+          editorInstance
+        }
+      */
+      const editor = message.content.editorInstance as Zotero.EditorInstance;
+      const note = editor._item;
+      let successCount = 0;
+      let failCount = 0;
+      if (note.parentItem) {
+        for (const attchment of (
+          Zotero.Items.get(note.parentItem.getAttachments()) as Zotero.Item[]
+        ).filter((item: Zotero.Item) => {
+          return item.isPDFAttachment();
+        })) {
+          Zotero.debug(attchment);
+          try {
+            Zotero.debug("Launching PDF without page number");
+            let zp = Zotero.getActiveZoteroPane();
+            if (zp) {
+              zp.viewAttachment([attchment.id]);
+            }
+            Zotero.Notifier.trigger("open", "file", attchment.id);
+            successCount += 1;
+          } catch (e) {
+            Zotero.debug("Knowledge4Zotero: Open attachment failed:");
+            Zotero.debug(attchment);
+            failCount += 1;
+          }
+        }
+      }
+      if (successCount === 0) {
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Better Notes",
+          failCount
+            ? "Error occurred on opening attachemnts."
+            : "No attachment found.",
+          "fail"
+        );
+      }
+    } else if (message.type === "setOCREngine") {
+      /*
+        message.content = {
+          params: { engine: string }
+        }
+      */
+      const engine = message.content.params.engine;
+      if (engine === "mathpix") {
+        Zotero.Prefs.set(
+          "Knowledge4Zotero.OCRMathpix.Appid",
+          prompt(
+            "Please input app_id",
+            Zotero.Prefs.get("Knowledge4Zotero.OCRMathpix.Appid") as string
+          )
+        );
+        Zotero.Prefs.set(
+          "Knowledge4Zotero.OCRMathpix.Appkey",
+          prompt(
+            "Please input app_key",
+            Zotero.Prefs.get("Knowledge4Zotero.OCRMathpix.Appkey") as string
+          )
+        );
+      } else if (engine === "xunfei") {
+        Zotero.Prefs.set(
+          "Knowledge4Zotero.OCRXunfei.APPID",
+          prompt(
+            "Please input APPID",
+            Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APPID") as string
+          )
+        );
+        Zotero.Prefs.set(
+          "Knowledge4Zotero.OCRXunfei.APISecret",
+          prompt(
+            "Please input APISecret",
+            Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APISecret") as string
+          )
+        );
+        Zotero.Prefs.set(
+          "Knowledge4Zotero.OCRXunfei.APIKey",
+          prompt(
+            "Please input APIKey",
+            Zotero.Prefs.get("Knowledge4Zotero.OCRXunfei.APIKey") as string
+          )
+        );
+      }
+      Zotero.Prefs.set("Knowledge4Zotero.OCREngine", engine);
+    } else if (message.type == "convertMD") {
+      /*
+        message.content = {}
+      */
+      const source = Zotero.Utilities.Internal.getClipboard("text/unicode");
+      if (!source) {
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Better Notes",
+          "No MarkDown found."
+        );
+        return;
+      }
+      const html = this._Addon.NoteParse.parseMDToHTML(source);
+      console.log(source, html);
+      new CopyHelper().addText(html, "text/html").copy();
+
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes",
+        "Converted MarkDown is updated to the clipboard. You can paste them in the note."
+      );
+    } else if (message.type == "convertAsciiDoc") {
+      /*
+        message.content = {}
+      */
+      const source = Zotero.Utilities.Internal.getClipboard("text/unicode");
+      if (!source) {
+        this._Addon.ZoteroViews.showProgressWindow(
+          "Better Notes",
+          "No AsciiDoc found."
+        );
+        return;
+      }
+      const html = this._Addon.NoteParse.parseAsciiDocToHTML(source);
+      console.log(source, html);
+      new CopyHelper().addText(html, "text/html").copy();
+
+      this._Addon.ZoteroViews.showProgressWindow(
+        "Better Notes",
+        "Converted AsciiDoc is updated to the clipboard. You can paste them in the note."
+      );
+    } else {
+      Zotero.debug(`Knowledge4Zotero: message not handled.`);
+    }
+  }
+}
+
+export default AddonEvents;
diff --git a/src/zotero/views.ts b/src/zotero/views.ts
new file mode 100644
index 0000000..44beed4
--- /dev/null
+++ b/src/zotero/views.ts
@@ -0,0 +1,333 @@
+import Knowledge4Zotero from "../addon";
+import { EditorMessage } from "../utils";
+import AddonBase from "../module";
+
+class ZoteroViews extends AddonBase {
+  progressWindowIcon: object;
+  icons: object;
+
+  constructor(parent: Knowledge4Zotero) {
+    super(parent);
+    this.progressWindowIcon = {
+      success: "chrome://zotero/skin/tick.png",
+      fail: "chrome://zotero/skin/cross.png",
+      default: "chrome://Knowledge4Zotero/skin/favicon.png",
+    };
+    this.icons = {
+      tabIcon: `<svg viewBox="0 0 1024 1024" xmlns="http://www.w3.org/2000/svg" width="16" height="16" class="icon icon-bg"><path d="M791.30324 369.7c-5 5-6.2 12.7-2.8 18.9 17.5 31.9 27.4 68.5 27.4 107.4 0 56.2-20.7 107.6-54.9 147-4.5 5.1-5.1 12.6-1.8 18.4l39.2 67.9c3.3 5.7 9.6 8.7 16.1 7.8 6-0.8 12.1-1.2 18.3-1.2 70.1 0.5 128 59.7 127.1 129.7-0.9 69.7-57.4 125.9-127.1 126.4-70.9 0.5-128.9-57.1-128.9-128 0-38.1 16.7-72.3 43.1-95.8l-37-64c-4.2-7.3-13.3-10-20.9-6.4-29.3 14.2-62.3 22.2-97.2 22.2-26.7 0-52.3-4.7-76-13.2-7.3-2.6-15.4 0.3-19.3 7l-24.9 43.1c-3.1 5.4-2.8 12.1 0.8 17.2 15 21.2 23.7 47.1 23.5 75.1-0.7 69.5-57.5 126.2-127 126.8-71.6 0.6-129.8-57.7-129.1-129.4 0.8-69.7 58-126.5 127.8-126.6 12 0 23.7 1.6 34.8 4.7 7 2 14.5-1.1 18.2-7.4l21.7-37.6c3.7-6.4 2.5-14.6-2.9-19.6-33.6-31.2-57.5-72.6-67-119.2-1.5-7.5-8-12.9-15.7-12.9h-92c-6.9 0-13.1 4.5-15.2 11.1C232.80324 590.2 184.70324 627 128.00324 627 57.00324 627-0.49676 569.2 0.00324 498.1 0.40324 427.5 58.60324 370.3 129.20324 371c54.2 0.5 100.4 34.8 118.5 82.8C250.00324 460 256.00324 464 262.60324 464h94.1c7.6 0 14.2-5.3 15.7-12.7 11-54.2 41.5-101.3 84-133.6 6.4-4.9 8.2-13.8 4.2-20.8l-2.2-3.8c-3.5-6-10.3-9-17.1-7.7-8.8 1.8-18 2.7-27.4 2.5-69.5-1-126.9-60.1-126-129.6 0.9-70.3 58.4-126.9 129-126.3 69.3 0.6 126 57 127 126.2 0.4 31.6-10.6 60.7-29.3 83.2-4.3 5.2-5 12.5-1.6 18.3l6.6 11.4c3.6 6.2 10.8 9.3 17.7 7.5 17.5-4.4 35.8-6.7 54.6-6.7 52.3 0 100.4 17.9 138.6 48 6.4 5 15.5 4.5 21.2-1.2l24.2-24.2c4.7-4.7 6-11.8 3.3-17.8-7.3-16.1-11.3-34-11.3-52.8 0-70.7 57.3-128 128-128 70.6 0 128 57.4 128 128 0 70.7-57.3 128-128 128-20.7 0-40.2-4.9-57.5-13.6-6.2-3.1-13.7-2-18.7 2.9l-28.4 28.5z" fill="#f2ac46"/></svg>`,
+      openWorkspaceCollectionView: `<svg t="1651317033804" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2432" width="100%" height="100%"><path d="M874.9 459.4c-18.8 0-34 15.2-34 34v355.7c0 18.6-15.5 33.7-34.5 33.7H181.5c-19 0-34.5-15.1-34.5-33.7V232.3c0-18.6 15.5-33.7 34.5-33.7H541c18.8 0 34-15.2 34-34s-15.2-34-34-34H181.5C125 130.6 79 176.2 79 232.3v616.8c0 56 46 101.7 102.5 101.7h624.9c56.5 0 102.5-45.6 102.5-101.7V493.4c0-18.8-15.2-34-34-34z" fill="currentColor" p-id="2433"></path><path d="M885.5 82.7H657.1c-18.8 0-34 15.2-34 34s15.2 34 34 34h169.7L358.5 619.1c-13.3 13.3-13.3 34.8 0 48.1 6.6 6.6 15.3 10 24 10s17.4-3.3 24-10l470-470v169.7c0 18.8 15.2 34 34 34s34-15.2 34-34V141.5c0.1-32.4-26.4-58.8-59-58.8z" fill="currentColor" p-id="2434"></path></svg>`,
+    };
+  }
+
+  public hideMenuBar(_document: Document) {
+    _document.getElementById("better-notes-menu").hidden = true;
+  }
+
+  public keppDefaultMenuOrder() {
+    const fileMenu = document.querySelector("#menu_FilePopup");
+    const editMenu = document.querySelector("#menu_EditPopup");
+    const exit = fileMenu.querySelector("#menu_FileQuitItem");
+    // exit.remove();
+    const prefs = editMenu.querySelector("#menu_preferences");
+    // prefs.remove();
+    if (exit) {
+      for (const ele of fileMenu.querySelectorAll(".menu-betternotes")) {
+        exit.before(ele);
+      }
+    }
+    if (prefs) {
+      for (const ele of editMenu.querySelectorAll(".menu-betternotes")) {
+        prefs.before(ele);
+      }
+    }
+  }
+
+  public switchRealMenuBar(hidden: boolean) {
+    // We only handle hide. The show will be handled by the ZoteroStandalone.switchMenuType
+    document
+      .querySelectorAll(".menu-type-betternotes")
+      .forEach((el) => ((el as HTMLElement).hidden = hidden));
+
+    // Disable Zotero pdf export
+    (document.getElementById("menu_export_files") as XUL.Element).disabled =
+      !hidden;
+  }
+
+  public switchKey(disabled: boolean) {
+    document
+      .querySelectorAll(".key-type-betternotes")
+      .forEach((el) => (el as XUL.Element).setAttribute("disabled", disabled));
+  }
+
+  public addNewMainNoteButton() {
+    // Top toolbar button
+    let addNoteItem = document
+      .getElementById("zotero-tb-note-add")
+      .getElementsByTagName("menuitem")[1];
+    let button = document.createElement("menuitem");
+    button.setAttribute("id", "zotero-tb-knowledge-openwindow");
+    button.setAttribute("label", "New Main Note");
+    button.addEventListener("click", (e) => {
+      this._Addon.events.onEditorEvent(
+        new EditorMessage("createWorkspace", {})
+      );
+    });
+    button.setAttribute("class", "menuitem-iconic");
+    button.setAttribute(
+      "style",
+      "list-style-image: url('chrome://Knowledge4Zotero/skin/favicon.png');"
+    );
+    addNoteItem.after(button);
+  }
+
+  public addOpenWorkspaceButton() {
+    // Left collection tree view button
+    const treeRow = document.createElement("html:div");
+    treeRow.setAttribute("class", "row");
+    treeRow.setAttribute(
+      "style",
+      "height: 22px; margin: 0 0 0 0; padding: 0 6px 0 6px;"
+    );
+    const span1 = document.createElement("span");
+    span1.setAttribute("class", "cell label primary");
+    const span2 = document.createElement("span");
+    span2.setAttribute("class", "icon icon-twisty twisty open");
+    span2.innerHTML = this.icons["openWorkspaceCollectionView"];
+    const span3 = document.createElement("span");
+    span3.setAttribute("class", "icon icon-bg cell-icon");
+    span3.setAttribute(
+      "style",
+      "background-image:url(chrome://Knowledge4Zotero/skin/favicon.png)"
+    );
+    const span4 = document.createElement("span");
+    span4.setAttribute("class", "cell-text");
+    span4.setAttribute("style", "margin-left: 6px;");
+    span4.innerHTML = Zotero.locale.includes("zh")
+      ? "打开工作区"
+      : "Open Workspace";
+    span1.append(span2, span3, span4);
+    treeRow.append(span1);
+    treeRow.addEventListener("click", (e) => {
+      this._Addon.events.onEditorEvent(
+        new EditorMessage("openWorkspace", { event: e })
+      );
+    });
+    treeRow.addEventListener("mouseover", (e: XUL.XULEvent) => {
+      treeRow.setAttribute(
+        "style",
+        "height: 22px; margin: 0 0 0 0; padding: 0 6px 0 6px; background-color: grey;"
+      );
+    });
+    treeRow.addEventListener("mouseleave", (e: XUL.XULEvent) => {
+      treeRow.setAttribute(
+        "style",
+        "height: 22px; margin: 0 0 0 0; padding: 0 6px 0 6px;"
+      );
+    });
+    treeRow.addEventListener("mousedown", (e: XUL.XULEvent) => {
+      treeRow.setAttribute(
+        "style",
+        "height: 22px; margin: 0 0 0 0; padding: 0 6px 0 6px; color: #FFFFFF;"
+      );
+    });
+    treeRow.addEventListener("mouseup", (e: XUL.XULEvent) => {
+      treeRow.setAttribute(
+        "style",
+        "height: 22px; margin: 0 0 0 0; padding: 0 6px 0 6px;"
+      );
+    });
+    document
+      .getElementById("zotero-collections-tree-container")
+      .children[0].before(treeRow);
+  }
+
+  public updateTemplateMenu(type: "Note" | "Item" | "Text") {
+    const _window = this._Addon.WorkspaceMenu.getWorkspaceMenuWindow();
+
+    // If tab is open but not selected, we use copy mode
+    const copyMode =
+      Boolean(
+        this._Addon.WorkspaceWindow.workspaceTabId &&
+          this._Addon.WorkspaceWindow.workspaceTabId !== "WINDOW" &&
+          Zotero_Tabs.selectedID !== this._Addon.WorkspaceWindow.workspaceTabId
+      ) || !this._Addon.WorkspaceWindow.workspaceTabId;
+    Zotero.debug(`updateTemplateMenu`);
+    let templates = this._Addon.TemplateController.getTemplateKeys()
+      .filter((e) => e.name.indexOf(type) !== -1)
+      .filter(
+        (e) =>
+          !this._Addon.TemplateController._systemTemplateNames.includes(e.name)
+      );
+    const popup = _window.document.getElementById(
+      `menu_insert${type}TemplatePopup`
+    );
+    popup.innerHTML = "";
+    if (templates.length === 0) {
+      templates = [
+        {
+          name: "No Template",
+          text: "",
+          disabled: true,
+        },
+      ];
+    }
+    for (const template of templates) {
+      const menuitem = _window.document.createElement("menuitem");
+      menuitem.setAttribute("id", template.name);
+      menuitem.setAttribute("label", template.name);
+      menuitem.setAttribute(
+        "oncommand",
+        `
+        Zotero.Knowledge4Zotero.events.onEditorEvent({
+          type: "insert${type}UsingTemplate",
+          content: {
+            params: { templateName: "${template.name}", copy: ${copyMode} },
+          },
+        });`
+      );
+
+      if (template.disabled) {
+        menuitem.setAttribute("disabled", true as any);
+      }
+      popup.append(menuitem);
+    }
+  }
+
+  public updateCitationStyleMenu() {
+    const _window = this._Addon.WorkspaceMenu.getWorkspaceMenuWindow();
+    Zotero.debug(`updateCitationStyleMenu`);
+
+    const popup = _window.document.getElementById("menu_citeSettingPopup");
+    popup.innerHTML = "";
+
+    let format = this._Addon.TemplateController.getCitationStyle();
+
+    // add styles to list
+    const styles = Zotero.Styles.getVisible();
+    styles.forEach(function (style) {
+      const val = JSON.stringify({
+        mode: "bibliography",
+        contentType: "html",
+        id: style.styleID,
+        locale: "",
+      });
+      const itemNode: XUL.Element = document.createElement("menuitem");
+      itemNode.setAttribute("value", val);
+      itemNode.setAttribute("label", style.title);
+      itemNode.setAttribute("type", "checkbox");
+      itemNode.setAttribute(
+        "oncommand",
+        "Zotero.Prefs.set('Knowledge4Zotero.citeFormat', event.target.value)"
+      );
+      popup.appendChild(itemNode);
+
+      if (format.id == style.styleID) {
+        itemNode.setAttribute("checked", true);
+      }
+    });
+  }
+
+  public updateOCRStyleMenu() {
+    Zotero.debug(`updateOCRStyleMenu`);
+    const popup = document.getElementById("menu_ocrsettingpopup");
+    Array.prototype.forEach.call(popup.children, (e) =>
+      e.setAttribute("checked", false)
+    );
+    let engine = Zotero.Prefs.get("Knowledge4Zotero.OCREngine");
+    if (!engine) {
+      engine = "bing";
+      Zotero.Prefs.set("Knowledge4Zotero.OCREngine", engine);
+    }
+    (
+      document.getElementById(`menu_ocr_${engine}_betternotes`) as XUL.Menuitem
+    ).setAttribute("checked", true);
+  }
+
+  public updateWordCount() {
+    const _window = this._Addon.WorkspaceMenu.getWorkspaceMenuWindow();
+    if (!_window) {
+      return;
+    }
+    Zotero.debug("updateWordCount");
+
+    const menuitem = _window.document.getElementById(
+      "menu_wordcount_betternotes"
+    );
+    function fnGetCpmisWords(str) {
+      let sLen = 0;
+      try {
+        // replace break lines
+        str = str.replace(/(\r\n+|\s+|　+)/g, "龘");
+        // letter, numbers to 'm' letter
+        str = str.replace(/[\x00-\xff]/g, "m");
+        // make neighbor 'm' to be one letter
+        str = str.replace(/m+/g, "*");
+        // remove white space
+        str = str.replace(/龘+/g, "");
+        sLen = str.length;
+      } catch (e) {}
+      return sLen;
+    }
+    menuitem.setAttribute(
+      "label",
+      `Word Count: ${fnGetCpmisWords(
+        this._Addon.NoteParse.parseNoteHTML(
+          this._Addon.WorkspaceWindow.getWorkspaceNote()
+        ).innerText
+      )}`
+    );
+  }
+
+  public updateAutoInsertAnnotationsMenu() {
+    const _window = this._Addon.WorkspaceMenu.getWorkspaceMenuWindow();
+
+    Zotero.debug("updateAutoInsertAnnotationsMenu");
+
+    let autoAnnotation = Zotero.Prefs.get("Knowledge4Zotero.autoAnnotation");
+    if (typeof autoAnnotation === "undefined") {
+      autoAnnotation = false;
+      Zotero.Prefs.set("Knowledge4Zotero.autoAnnotation", autoAnnotation);
+    }
+
+    const menuitem: XUL.Element = _window.document.getElementById(
+      "menu_autoannotation_betternotes"
+    );
+    if (autoAnnotation) {
+      menuitem.setAttribute("checked", true);
+    } else {
+      menuitem.removeAttribute("checked");
+    }
+
+    // Hide main window menu if the standalone window is already opened
+    window.document.getElementById("menu_autoannotation_betternotes").hidden =
+      _window !== window;
+  }
+
+  public showProgressWindow(
+    header: string,
+    context: string,
+    type: "default" | "success" | "fail" = "default",
+    t: number = 5000
+  ) {
+    let progressWindow = new Zotero.ProgressWindow({ closeOnClick: true });
+    progressWindow.changeHeadline(header);
+    progressWindow.progress = new progressWindow.ItemProgress(
+      this.progressWindowIcon[type],
+      context
+    );
+    progressWindow.show();
+    if (t > 0) {
+      progressWindow.startCloseTimer(t);
+    }
+    return progressWindow;
+  }
+
+  public changeProgressWindowDescription(progressWindow: any, context: string) {
+    if (!progressWindow || progressWindow.closed) {
+      return;
+    }
+    progressWindow.progress._itemText.innerHTML = context;
+  }
+}
+
+export default ZoteroViews;
diff --git a/typing/global.d.ts b/typing/global.d.ts
new file mode 100644
index 0000000..7b98f87
--- /dev/null
+++ b/typing/global.d.ts
@@ -0,0 +1,4 @@
+declare interface ZoteroPromise {
+  promise: Promise<void>;
+  resolve: () => void;
+}