Bug 130094 [regression] cannot edit group in Cheat Sheets
steps to reproduce: - create a report using Grouped Listing template - switch to Cheat Sheets, start/restart the tutorial - follow the steps to 1) create data source; 2) create data set; 3) bind the data to the table; and 4) edit the group expected behavior: - group dialog should be displayed actual behavior: - error message displayed. please refer to the attached image for detail
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/views/DefaultNodeProvider.java
public Image getNodeIcon( Object model )
	{
		Image icon = null;
		String iconName = getIconName( model );
		if ( model instanceof DesignElementHandle
				&& ( (DesignElementHandle) model ).getSemanticErrors( ).size( ) > 0 )
		{
			return ReportPlatformUIImages.getImage( ISharedImages.IMG_OBJS_ERROR_TSK );
		}
		if ( iconName != null )
		{
			icon = ReportPlatformUIImages.getImage( iconName );
		}
		if ( icon == null )
		{
			if ( model instanceof DesignElementHandle )
			{
				icon = ReportPlatformUIImages.getImage( model );
			}
		}
		return icon;
	}
	/**
	 * Gets the tooltip of the node
	 * 
	 * @param model
	 *            the model of the node
	 * @return Returns the tooltip name for the node, or null if no tooltip is
	 *         needed.
	 */