add: open parent attachment from editor

addon/chrome/locale/en-US/addon.properties

@@ -85,4 +85,5 @@ editor.toolbar.settings.openWorkspace=Open Note Workspace
 editor.toolbar.settings.setWorkspace=Set as Workspace Note
 editor.toolbar.settings.insertTemplate=Insert Template to Cursor Line
 editor.toolbar.settings.copyLink=Copy Note Link
+editor.toolbar.settings.openParent=Open Attachment
 editor.toolbar.export.title=Export Note...

addon/chrome/locale/zh-CN/addon.properties

@@ -85,4 +85,5 @@ editor.toolbar.settings.openWorkspace=打开笔记工作区
 editor.toolbar.settings.setWorkspace=设为工作区笔记
 editor.toolbar.settings.insertTemplate=插入模板到光标行
 editor.toolbar.settings.copyLink=复制笔记链接
+editor.toolbar.settings.openParent=打开附件
 editor.toolbar.export.title=导出笔记...

src/modules/editor/toolbar.ts

@@ -28,7 +28,7 @@ export async function initEditorToolbar(editor: Zotero.EditorInstance) {
     (e) => {}
   );
 
-  settingsButton.addEventListener("mouseenter", (ev) => {
+  settingsButton.addEventListener("mouseenter", async (ev) => {
     const settingsMenu: PopupData[] = [
       {
         id: makeId("settings-openWorkspace"),
@@ -76,6 +76,18 @@ export async function initEditorToolbar(editor: Zotero.EditorInstance) {
       },
     ];
 
+    const parentAttachment = await noteItem.parentItem?.getBestAttachment();
+    if (parentAttachment) {
+      settingsMenu.push({
+        id: makeId("settings-openParent"),
+        text: getString("editor.toolbar.settings.openParent"),
+        callback: (e) => {
+          ZoteroPane.viewAttachment([parentAttachment.id]);
+          Zotero.Notifier.trigger("open", "file", parentAttachment.id);
+        },
+      });
+    }
+
     const settingsPopup = registerEditorToolbarPopup(
       editor,
       settingsButton,