Bug 116377 container's data set should be list in dynamic image expression builder
description: container's data set should be list in dynamic image expression builder steps to reproduce: 1. drag an image to one cell of table 2. choose dynamic image 3. click on expression builder.... actual result: no data set list in the expression builder expected result: container's data set should be list in dynamic image expression builder
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/extensions/GuiExtensionManager.java
{
			retValue = doPalette( object, extension.getExtendsionIdentify( ) );
		}
		else if ( DESIGNER_FACTORY.equals( extension.getExtendsionIdentify( ) ) )
		{
			retValue = doDesignerFactory( object );
		}
		else if ( ATTRIBUTE.equals( extension.getExtendsionIdentify( ) ) )
		{
			retValue = doAttribute( object );
		}
		return retValue;
	}
	private static Object doAttribute( Object object )
	{
		Object retValue = null;
		if ( object instanceof ExtendedItemHandle )
		{
			retValue = new DefaultPageGenerator( );
			ExtendedItemHandle handle = (ExtendedItemHandle) object;
			String id = getExtendedElementID( handle );
			ExtendedElementUIPoint point = ExtensionPointManager.getInstance( )
					.getExtendedElementPoint( id );
			if ( point == null )
			{
				return retValue;
			}
			IReportItemPropertyEditUI edit = point.getReportItemPropertyEditUI( );
			
			ExtendedItemPageGenerator generator = new ExtendedItemPageGenerator( );