viewer.setContents( getModel( ) );
getGraphicalViewer( ).setContents( getModel( ) ); hookModelEventManager( getModel());
	protected void initializeGraphicalViewer( )	{		super.initializeGraphicalViewer( );		GraphicalViewer viewer = getGraphicalViewer( );		if ( getModel( ) != null )		{			viewer.setContents( getModel( ) );		}		viewer.addDropTargetListener( createTemplateTransferDropTargetListener( viewer ) );	}