ChartAdapter.ignoreNotifications( true );
	public void changeTask( Notification notification )	{		if ( cmpTask != null )		{			if ( notification.getNotifier( ) instanceof Query )			{				// No need to nofify model change				ChartAdapter.ignoreNotifications( true );				doLivePreview( );				ChartAdapter.ignoreNotifications( false );			}			previewPainter.renderModel( getChartModel( ) );		}	}