 
     pane.addSubView editor
     @tabView.addPane pane
+    @activeTabIndex = @tabView.panes.length
 
     pane.on "KDTabPaneDestroy", =>
       @workspaceRef.once "value", (snapshot) =>

    @workspaceRef     = @workspace.firepadRef.child @sessionKey
    @isJoinedASession = @getOptions().sessionKey
    @openedFiles      = []

    log "joined an old session again, creating new tabbed editor" if @isJoinedASession


    @tabView = new ApplicationTabView
      delegate           : @
      tabHandleContainer : @tabHandleContainer

    @tabView.on "PaneAdded", (pane) =>
      {tabHandle} = pane
      tabHandle.on "click", =>
        newIndex = @tabView.getPaneIndex @tabView.getActivePane()
        return  if newIndex is @activeTabIndex

        @workspaceRef.child("ActiveTabIndex").set newIndex
        @activeTabIndex = newIndex

  createEditorInstance: (file, content, sessionKey) ->
    if file
