Bug 152412 [Smoke]Insert,delete a master page, can not take effect
Insert,delete a master page, can not take effect Steps: 1.new a report 2.open outline view, insert a master page or delete a master page Actual Results 1.Can not take effect.
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/internal/ui/editors/layout/ReportMasterPageEditor.java
}
			catch ( NameException e )
			{
				ExceptionHandler.handle( e );
			}
		}
		else
		{
			masterPage = (SimpleMasterPageHandle) designHandle.getMasterPages( )
					.get( 0 );
		}
		getGraphicalViewer( ).setContents( masterPage );
		
		hookModelEventManager( masterPage );
	}
	/* (non-Javadoc)
	 * @see org.eclipse.birt.report.designer.ui.editors.schematic.layout.AbstractReportGraphicalEditorWithFlyoutPalette#getPaletteRoot()
	 */
	protected PaletteRoot getPaletteRoot( )
	{
		if ( paletteRoot == null )
		{
			paletteRoot = MasterPagePaletteFactory.createPalette( );
		}
		return paletteRoot;
	}
	/* (non-Javadoc)
	 * @see org.eclipse.birt.report.designer.internal.ui.editors.parts.GraphicalEditorWithFlyoutPalette#performRequest(org.eclipse.birt.report.designer.core.util.mediator.request.ReportRequest)
	 */
	public void performRequest( ReportRequest request )