         title   : paneInstance.options.name
         hidden  : paneInstance.options.hiddenHandle
         view    : paneInstance.options.tabHandleView
+        sortable: @getOptions().sortable
+
       paneInstance.tabHandle = newTabHandle
       @listenTo
         KDEventTypes : "click"

    options                  = @getOptions()
    containerSize            = @tabHandleContainer.$().outerWidth(no) - options.lastTabHandleMargin
    containerMarginInPercent = 100 * options.lastTabHandleMargin / containerSize
    
    for handle in @handles when not handle.isHidden()
      visibleHandles.push handle
      visibleTotalSize += handle.$().outerWidth no

    options.maxHandleWidth      ?= 128
    options.minHandleWidth      ?= 30
    options.lastTabHandleMargin ?= 0
    options.sortable            ?= no
    @handles                     = []
    @panes                       = []
    @selectedIndex               = []
