super.dispose();
	public void dispose( )	{		// remove the mediator listener		SessionHandleAdapter.getInstance( )				.getMediator( )				.removeColleague( this );		// remove selection listener		getSite( ).getWorkbenchWindow( )				.getSelectionService( )				.removeSelectionListener( getSelectionListener( ) );		// dispose the ActionRegistry (will dispose all actions)		getActionRegistry( ).dispose( );	}