Bug 145698 Name change won't enable "restore property" button
Steps to reproduce: 1.New a report, extends lib.label 2.Choose the label, switch to property editor, chang its name to "aa" 3.Choose the label again Expected result: "Restore property" button is enabled Actual result: "Restore property" button is grayed out
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleHandle.java
/**
	 * Reloads the library with the given library file path. If the library
	 * already is included, reload it. If the library is not included, exception
	 * will be thrown.
	 * <p>
	 * Call this method cautiously ONLY on the condition that the library file
	 * is REALLY changed outside. After reload successfully, the command stack
	 * is cleared.
	 * 
	 * @param libraryToReload
	 *            the library instance
	 * @throws SemanticException
	 *             if error is encountered when handling
	 *             <code>IncludeLibrary</code> structure list. Or it maybe
	 *             because that the given library is not found in the design. Or
	 *             that the library has descedents in the current module
	 * @throws DesignFileException
	 *             if the library file is not found, or has fatal error.
	 */
	public void reloadLibrary( LibraryHandle libraryToReload )
			throws SemanticException, DesignFileException
	{
		if ( libraryToReload == null )
			return;
		LibraryCommand command = new LibraryCommand( module );
		command.reloadLibrary( libraryToReload.getLocation( ) );
	}
	/**
	 * Drops the given library from the design and break all the parent/child
	 * relationships. All child element will be localized in the module.