新增 Places_ShowBookmarkPath.uc.js

Places_ShowBookmarkPath/Places_ShowBookmarkPath.uc.js

@@ -0,0 +1,49 @@
+// ==UserScript==
+// @name           Places_ShowBookmarkPath.uc.js
+// @description    在 "我的足迹" 中右键显示书签路径
+// @include        chrome://browser/content/places/places.xul
+// @version        2014/10/12
+// ==/UserScript==
+
+var UC_PlacesShowPath = {
+    bmsvc: Components.classes["@mozilla.org/browser/nav-bookmarks-service;1"]
+                      .getService(Components.interfaces.nsINavBookmarksService),
+
+    init: function() {
+        var menuitem = document.createElement('menuitem');
+        menuitem.setAttribute('label', '在文件夹中显示');
+        menuitem.setAttribute('title', '书签路径');
+        // menuitem.setAttribute('oncommand', 'UC_PlacesShowPath.getFolders();');
+
+        // 插入
+        var popup = document.getElementById('placesContext');
+        popup.appendChild(menuitem);
+
+        // 显示
+        var self = this;
+        popup.addEventListener('popupshowing', function() {
+            var folders = self.getFolders();
+            menuitem.setAttribute('label', folders || '');
+            menuitem.setAttribute('hidden', !folders);
+        });
+    },
+    getFolders: function() {
+        var node = PlacesUIUtils.getViewForNode(document.popupNode).selectedNode;
+        if (node && node.itemId >= 0) {
+            var parentId = node.itemId;
+            var parents = [];
+            while(true) {
+                parentId = this.bmsvc.getFolderIdForItem(parentId);
+                if (parentId == 0) break;
+
+                var parentTitle = this.bmsvc.getItemTitle(parentId);
+                if (!parentTitle) break;
+                parents.unshift(parentTitle);  // 放到最前面
+            }
+
+            return parents.join('\\');
+        }
+    }
+};
+
+UC_PlacesShowPath.init();