Bug 136241 [regression]Preview template in web viewer and pdf didn't get correct effect.
Description: Preview template items in web viewer and pdf didn't get correct effect. Steps to reproduce: 1. Create template items. 2. Preview in Web Viewer and pdf. Expected result: Same effect as in html. Actual result: In web viewer, see only blank box. In pdf, blank page.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignElement.java
if ( ev.getDeliveryPath( ) == NotificationEvent.ELEMENT_CLIENT )
				return;
			
			
			
			
			
			if ( ev.getDeliveryPath( ) != NotificationEvent.STYLE_CLIENT )
				ev.setDeliveryPath( NotificationEvent.DESCENDENT );
			Iterator iter = derived.iterator( );
			while ( iter.hasNext( ) )
			{
				( (DesignElement) iter.next( ) ).broadcast( ev, module );
			}
		}
	}
	/**
	 * Returns <code>true</code> if the element is within a child element
	 * which extends from another. Returns <code>false</code> otherwise. <br>
	 * <strong>Notice: </strong> <br>
	 * If the element is a virtual element, it must have defined a <code>
	 * baseId<code> which point to the ID of its virtual parent. 
	 * 
	 * @return Returns <code>true</code> if the element is within a child element
	 * which extends from another.
	 */
	public final boolean isVirtualElement( )
	{
		return baseId != NO_BASE_ID;
	}