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/metadata/ElementDefn.java
* @param flag
	 *            true if the element is to be abstract, false if it is to be
	 *            concrete (user-visible)
	 */
	void setAbstract( boolean flag )
	{
		abstractElement = flag;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.metadata.IObjectDefn#findProperty(java.lang.String)
	 */
	public IPropertyDefn findProperty( String propName )
	{
		return getProperty( propName );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.metadata.ObjectDefn#addProperty(org.eclipse.birt.report.model.metadata.PropertyDefn)
	 */
	public void addProperty( PropertyDefn property ) throws MetaDataException
	{
		if ( property == null )
			return;
		MetaDataDictionary dd = MetaDataDictionary.getInstance( );
		
		if ( dd.getElement( extendsFrom ) != null )
		{