Bug #341490 --> restore the new folder context menu in the folder pane cotnext menu. sr=me. patch by teemu mannermaa

mail/base/content/mailContextMenus.js

@@ -304,6 +304,7 @@ function fillFolderPaneContextMenu()
 
   EnableMenuItem("folderPaneContext-properties", true);
 
+  SetupNewMenuItem(folderResource, numSelected, isServer, serverType, specialFolder);
   SetupRenameMenuItem(folderResource, numSelected, isServer, serverType, specialFolder);
   SetupRemoveMenuItem(folderResource, numSelected, isServer, serverType, specialFolder);
   SetupCompactMenuItem(folderResource, numSelected);
@@ -346,6 +347,31 @@ function fillFolderPaneContextMenu()
   return(true);
 }
 
+function SetupNewMenuItem(folderResource, numSelected, isServer, serverType,specialFolder)
+{
+  var folderTree = GetFolderTree();
+  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", !isIMAPFolder || !ioService.offline);
+
+  if (showNew)
+  {
+    if (isServer || isInbox)
+      SetMenuItemLabel("folderPaneContext-new", gMessengerBundle.getString("newFolder"));
+    else
+      SetMenuItemLabel("folderPaneContext-new", gMessengerBundle.getString("newSubfolder"));
+  }
+}
+
 function SetupRenameMenuItem(folderResource, numSelected, isServer, serverType, specialFolder)
 {
   var msgFolder = folderResource.QueryInterface(Components.interfaces.nsIMsgFolder);

mail/base/content/mailWindowOverlay.xul

@@ -693,6 +693,10 @@
     
     <menuseparator id="folderPaneContext-sep1"/>
 
+    <menuitem id="folderPaneContext-new"
+        label="&folderContextNew.label;"
+        accesskey="&folderContextNew.accesskey;"
+        oncommand="MsgNewFolder(NewFolder);"/>
     <menuitem id="folderPaneContext-remove"
         label="&folderContextRemove.label;"
         accesskey="&folderContextRemove.accesskey;"

mail/locales/en-US/chrome/messenger/messenger.dtd

@@ -477,6 +477,8 @@
 <!-- Folder Pane Context Menu -->
 <!ENTITY folderContextOpenNewWindow.label "Open">
 <!ENTITY folderContextOpenNewWindow.accesskey "O">
+<!ENTITY folderContextNew.label "New Subfolder...">
+<!ENTITY folderContextNew.accesskey "N">
 <!ENTITY folderContextRename.label "Rename">
 <!ENTITY folderContextRename.accesskey "R">
 <!ENTITY folderContextRemove.label "Delete">