Bug 142928 Item from library is changed to a report design item after revert to report item
Details: Item from library is changed to a report design item after revert to report item. Setp: 1.New a template. 2.Use a libary contain a label. 3.Drop the label from library explorer into layout. 4.Change the label to template item. 5.Revert the template item to report item. Actual result: The label is become a report item, but a item from library. Please see the attach image. Exception result: The lable is revert a item from library.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/TemplateReportItemHandle.java
throws SemanticException
	{
		if ( getRoot( ) == null )
			throw new TemplateException(
					getElement( ),
					TemplateException.DESIGN_EXCEPTION_CREATE_TEMPLATE_ELEMENT_FORBIDDEN );
		TemplateCommand cmd = new TemplateCommand( getModule( ), getContainer( )
				.getElement( ) );
		cmd.transformToReportItem( (TemplateReportItem) getElement( ),
				(ReportItem) reportItemHandle.getElement( ), getElement( )
						.getContainerSlot( ) );
	}
	/**
	 * Returns visibility rules defined on the template report item. The element
	 * in the iterator is the corresponding <code>StructureHandle</code> that
	 * deal with a <code>HideRule</code> in the list.
	 * 
	 * @return the iterator for visibility rules defined on this template report
	 *         item.
	 * 
	 * @see org.eclipse.birt.report.model.api.elements.structures.HideRule
	 */
	public Iterator visibilityRulesIterator( )
	{
		PropertyHandle propHandle = getPropertyHandle( TemplateReportItem.VISIBILITY_PROP );
		assert propHandle != null;
		return propHandle.iterator( );
	}
}