Bug 153040 Template definition should be removed after the report item is deleted
Steps to reproduce: 1.New a report, extends lib.label 2.Convert the label to template report item, and revert it back to the report item 3.Delete the label 4.Remove the included library Expected result: Library can be removed Actual result: A BIRT exception occurred. Plug-in Provider:Eclipse.org Plug-in Name:BIRT Model Plug-in ID:org.eclipse.birt.report.model Version:2.1.0.v20060808-0630 Error Code:Error.LibraryException.LIBRARY_HAS_DESCENDENTS Error Message:The library "Lib" can no be dropped because it has descendents "NewLabel" in the current module.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/command/ContentCommand.java
}
			}
		}
	}
	/**
	 * Clears references of elements that are referred by the to-be-deleted
	 * element, except for extends and style element references. Unlike the
	 * method {@link #adjustReferenceClients(ReferenceableElement,boolean)},
	 * this method removes references from those elements that are referred.
	 * 
	 * @param element
	 *            the element to be deleted
	 * 
	 */
	private void adjustReferredClients( DesignElement element )
	{
		List propDefns = element.getPropertyDefns( );
		for ( Iterator iter = propDefns.iterator( ); iter.hasNext( ); )
		{
			PropertyDefn propDefn = (PropertyDefn) iter.next( );
			
			
			if ( DesignElement.EXTENDS_PROP.equalsIgnoreCase( propDefn
					.getName( ) )
					|| StyledElement.STYLE_PROP.equalsIgnoreCase( propDefn
							.getName( ) ) )
				continue;
			if ( propDefn.getTypeCode( ) == PropertyType.ELEMENT_REF_TYPE
					|| propDefn.getTypeCode( ) == PropertyType.STRUCT_REF_TYPE )
			{