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/providers/SchematicContextMenuProvider.java
{
		return multiSelection!=null &&
				(multiSelection == Object.class 
				
				|| multiSelection == DesignElementHandle.class
				
				|| isRootElementHandleClass( multiSelection )
				
				|| multiSelection == ReportItemHandle.class
				
				|| multiSelection == ListHandle.class);
	}
	private boolean isRootElementHandleClass( Object obj )
	{
		return obj == ReportDesignHandle.class || obj == LibraryHandle.class;
	}
	/**
	 * @param menuManager
	 */
	private void createInsertGroupMenu( IMenuManager menuManager,
			String group_name )
	{
		if ( getFirstElement( ) instanceof CellHandle
				|| getFirstElement( ) instanceof RowHandle )
		{
			RowHandle row;
			if ( getFirstElement( ) instanceof CellHandle )
			{
				row = (RowHandle) ( (CellHandle) getFirstElement( ) ).getContainer( );
			}