Bug 118750 Insert group for table from library, system throws exception.
Insert group for table from library, system throws exception. Steps: 1.Insert a tabel from library 2.Insert group Actual Results: 1.System throws exception A Birt exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Model Plug-in ID:org.eclipse.birt.report.model Version:1.0.1 Error Code:Error.ContentException.STRUCTURE_CHANGE_FORBIDDEN Error Message:Element "report.Body[1]" is child element or a virtual element( inside the child ), can not change its structure. Expected Results: 1.Can be inserted group
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/actions/InsertGroupActionFactory.java
{
		if ( currentModel != null && isGroup( ) )
		{
			if ( getRowHandle( ) != null )
			{
				DesignElementHandle group = getRowHandle( ).getContainer( );
				TableHandle table = (TableHandle) group.getContainer( );
				return DEUtil.findInsertPosition( table.getGroups( )
						.getElementHandle( ), group, table.getGroups( )
						.getSlotID( ) );
			}
			else if ( getListBandProxy( ) != null )
			{
				DesignElementHandle group = getListBandProxy( ).getElemtHandle( );
				ListHandle list = (ListHandle) group.getContainer( );
				return DEUtil.findInsertPosition( list.getGroups( )
						.getElementHandle( ), group, list.getGroups( )
						.getSlotID( ) );
			}
		}
		return POSITION_INNERMOST;
	}
	/**
	 * Returns the insert position
	 * 
	 * @return the insert position
	 */
	abstract protected int getPosition( );
}
class InsertAboveGroupAction extends InsertPositionGroupAction