public   class  SwitchEditorTabsKeyEventDispatcher  implements   KeyEventDispatcher
{        
	 public   boolean  dispatchKeyEvent(KeyEvent ke)
    {        				
	 if (ke.getID()==KeyEvent.KEY_PRESSED && ke.isControlDown() && ke.getKeyCode() ==   KeyEvent.VK_PAGE_DOWN )		        					        
    	{        		
              doMyWork();
    	}
    	 return  false; // Move event further.
    }
 };	

KeyboardFocusManager.getCurrentKeyboardFocusManager().addKeyEventDispatcher( new  SwitchEditorTabsKeyEventDispatcher());