Bug 146159 [Regression]Changing font operation doesn't work other than the first time
Description: The first time changing operation can work well. However, Change it again, it won't work. Steps: 1.Insert lable/text to layout or master page 2.Change the font from serif to cursive, it works well 3.Change the font again Result: The action doesn't work Additional infor: build number:200606080632
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/ReportElementEditPart.java
{
		super.refreshChildren( );
	}
	public abstract void refreshFigure( );
	/**
	 * Refresh Margin property for this element.
	 */
	protected void refreshMargin( )
	{
		if ( getFigure( ) instanceof IReportElementFigure )
		{
			( (IReportElementFigure) getFigure( ) ).setMargin( getModelAdapter( ).getMargin( null ) );
		}
	}
	/*
	 * Refresh Background: Color, Image, Repeat, PositionX, PositionY.
	 * 
	 */
	protected void refreshBackground( DesignElementHandle handle )
	{
		refreshBackgroundColor( handle );
		refreshBackgroundImage( handle );
	}
	/*
	 * Refresh Background: Color, Image, Repeat, PositionX, PositionY.
	 * 
	 */
	protected void refreshBackgroundColor( DesignElementHandle handle )
	{
		Object obj = handle.getProperty( StyleHandle.BACKGROUND_COLOR_PROP );