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
public boolean removeDisposeListener( IDisposeListener listener )
	{
		return getModule( ).removeDisposeListener( listener );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.api.DesignElementHandle#drop()
	 */
	public void drop( ) throws SemanticException
	{
		throw new IllegalOperationException( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.api.DesignElementHandle#dropAndClear()
	 */
	public void dropAndClear( ) throws SemanticException
	{
		throw new IllegalOperationException( );
	}
	/**
	 * Get the base name of the customer-defined resource bundle.
	 * 
	 * @return the base name of the customer-defined resource bundle.
	 */
	public String getIncludeResource( )
	{
		return getStringProperty( INCLUDE_RESOURCE_PROP );