File | New | Folder menu needs to be disabled while offline

Bug 102284 r=ssu sr=bienvenu patch=calvin.liu@sun.com

mailnews/base/resources/content/mailContextMenus.js

@@ -351,9 +351,15 @@ function SetupNewMenuItem(folderResource, numSelected, isServer, serverType, spe
   var canCreateNew = GetFolderAttribute(folderTree, folderResource, "CanCreateSubfolders") == "true";
   var isInbox = specialFolder == "Inbox";
 
+  var isIMAPFolder = GetFolderAttribute(folderTree, folderResource,
+                       "ServerType") == "imap";
+
+  var ioService = Components.classes["@mozilla.org/network/io-service;1"]
+                         .getService(Components.interfaces.nsIIOService);
+
   var showNew = ((numSelected <=1) && (serverType != 'nntp') && canCreateNew) || isInbox;
   ShowMenuItem("folderPaneContext-new", showNew);
-  EnableMenuItem("folderPaneContext-new", true);
+  EnableMenuItem("folderPaneContext-new", !isIMAPFolder || !ioService.offline);
   if(showNew)
   {
     if(isServer || isInbox)

mailnews/base/resources/content/mailWindowOverlay.js

@@ -59,6 +59,9 @@ var disallow_classes_no_html = 1; /* the user preference,
 // dialog.
 function menu_new_init()
 {
+  if (!gMessengerBundle)
+    gMessengerBundle = document.getElementById("bundle_messenger");
+
   if (!nsPrefBranch) {
     var prefService = Components.classes["@mozilla.org/preferences-service;1"];
     prefService = prefService.getService();
@@ -68,6 +71,42 @@ function menu_new_init()
   var newAccountItem = document.getElementById('newAccountMenuItem');
   if (nsPrefBranch.prefIsLocked("mail.disable_new_account_addition"))
     newAccountItem.setAttribute("disabled","true");
+
+  // Change "New Folder..." menu according to the context
+  var startIndex = {};
+  var endIndex = {};
+  var folderTree = GetFolderTree();
+  folderTree.treeBoxObject.selection.getRangeAt(0, startIndex, endIndex);
+  if (startIndex.value < 0)
+    return false;
+  var numSelected = endIndex.value - startIndex.value + 1;
+  var folderResource = GetFolderResource(folderTree, startIndex.value);
+  var specialFolder = GetFolderAttribute(folderTree, folderResource,
+    "SpecialFolder");
+  var isServer = GetFolderAttribute(folderTree, folderResource,
+    "IsServer") == 'true';
+  var serverType = GetFolderAttribute(folderTree, folderResource,
+    "ServerType");
+  var canCreateNew = GetFolderAttribute(folderTree, folderResource,
+    "CanCreateSubfolders") == "true";
+  var isInbox = specialFolder == "Inbox";
+  var isIMAPFolder = GetFolderAttribute(folderTree, folderResource,
+    "ServerType") == "imap";
+  var ioService = Components.classes["@mozilla.org/network/io-service;1"]
+                         .getService(Components.interfaces.nsIIOService);
+  var showNew = ((numSelected <=1) && (serverType != 'nntp') &&
+    canCreateNew) || isInbox;
+  ShowMenuItem("menu_newFolder", showNew);
+  EnableMenuItem("menu_newFolder", !isIMAPFolder || !ioService.offline);
+  if (showNew)
+  {
+    if (isServer || isInbox)
+      SetMenuItemLabel("menu_NewFolder",
+        gMessengerBundle.getString("newFolder"));
+    else
+      SetMenuItemLabel("menu_NewFolder",
+        gMessengerBundle.getString("newSubfolder"));
+  }
 }
 
 function goUpdateMailMenuItems(commandset)

mailnews/base/resources/content/mailWindowOverlay.xul

@@ -903,7 +903,7 @@ Rights Reserved.
                     accesskey="&newNewMsgCmd.accesskey;"
                     key="key_newMessage"
                     oncommand="MsgNewMessage(null);"/>
-          <menuitem label="&newFolderCmd.label;"
+          <menuitem id="menu_newFolder" label="&newFolderCmd.label;"
                      oncommand="MsgNewFolder(NewFolder);"
                      accesskey="&newFolderCmd.accesskey;"/>
           <menuitem id="newAccountMenuItem" label="&newAccountCmd.label;"