[flexcoders] subclassing DataGrid in Beta 3

Thu, 11 May 2006 12:44:00 -0700

So, one of our requirements is to make the up/down arrow keys work in
a DataGrid that is being edited. In Beta 2, I was able to subclass
certain functions (keyDownHandler, findNextEnterItemRenderer) of the
DataGrid which were marked public at the time. Now it seems these
functions are marked private so I am unable to subclass them. Does
anyone have any ideas as to how I can achieve functionality similar to
the code below?

Thanks,
Jim

--------------------------------------

package com.wgint.wglib {
      import mx.controls.DataGrid;
      import flash.ui.Keyboard;
      import flash.events.KeyboardEvent;

      public class WGDataGrid extends DataGrid {
           
            public function WGDataGrid() {
                  super();
            }
           
            override public function keyDownHandler(event:KeyboardEvent):void {
                  if(event.keyCode == Keyboard.DOWN) {
                        event.shiftKey = false;
                                findNextEnterItemRenderer(event);
                     }
                     if(event.keyCode == Keyboard.UP) {
                           event.shiftKey = true;     
                           findNextEnterItemRenderer(event);
                     }
                     super.keyDownHandler(event);
            }     
      }
}


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