Bug 186947 Make dataSetEditor more compatible to oda
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/property/PropertyNode.java
return page.getImage( );
		}*/
		return nodeImage;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.PropertyNode#getPage()
	 */
	public final IPropertyPage getPage( )
	{
		return page;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.ui.PropertyNode#add(org.eclipse.birt.report.designer.ui.PropertyNode)
	 */
	public final void add( PropertyNode node )
	{
		assert ( node != null ) : "Null node cannot be added"; 
		if ( subNodes == null )
		{
			subNodes = new ArrayList( 5 );
		}
		subNodes.add( node );
	}
	/*
	 * (non-Javadoc)
	 *