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.core/src/org/eclipse/birt/report/designer/core/model/schematic/TableHandleAdapter.java
{
			number++;
			TableGroupHandle tableGroup = (TableGroupHandle) itor.next( );
			insertRowInfo( tableGroup.getHeader( ),
					Integer.toString( number ),
					TABLE_GROUP_HEADER );
		}
		insertRowInfo( getTableHandle( ).getDetail( ),
				TABLE_DETAIL,
				TABLE_DETAIL );
		number = groups.getCount( );
		for ( ListIterator itor = groups.getContents( ).listIterator( number ); itor.hasPrevious( ); )
		{
			TableGroupHandle tableGroup = (TableGroupHandle) itor.previous( );
			insertRowInfo( tableGroup.getFooter( ),
					Integer.toString( number ),
					TABLE_GROUP_FOOTER );
			number--;
		}
		insertRowInfo( getTableHandle( ).getFooter( ),
				TABLE_FOOTER,
				TABLE_FOOTER );
	}
	/**
	 * @param children
	 */
	protected void caleRowInfo( List children )
	{
		int size = children.size( );
		for ( int i = 0; i < size; i++ )