Bug 172273 Grid insert to masterpage dosen't display propertily [05]
Build Number: 2.2.0.v20070131-1050 Description: As the screenshot, insert a grid (3*3) in the master page.It can't be display propertily. Step to reproduce: 1. new a report and switch to masterpage 2. insert a grid (3*3) Actual result: Please refer to the screenshot, it's abnormal.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/core/DesignElement.java
/**
	 * Constructs the design element with the name.
	 * 
	 * @param theName
	 *            initial element name
	 */
	public DesignElement( String theName )
	{
		name = theName;
	}
	/**
	 * Registers a listener. A listener can be registered any number of times,
	 * but will receive each event only once.
	 * <p>
	 * Part of: Notification system.
	 * 
	 * @param obj
	 *            the listener to register
	 */
	public void addListener( Listener obj )
	{
		if ( listeners == null )
			listeners = new ArrayList( );
		if ( obj != null && !listeners.contains( obj ) )
			listeners.add( obj );
	}
	/**
	 * Removes a listener. The listener is removed from the list of listeners.
	 * If the item is not in the list, then the request is silently ignored.
	 * <p>