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/ui/dialogs/HighlightRuleBuilder.java
String initValue = null;
		if ( control instanceof Text )
		{
			initValue = ( (Text) control ).getText( );
		}
		else if ( control instanceof Combo )
		{
			initValue = ( (Combo) control ).getText( );
		}
		ExpressionBuilder expressionBuilder = new ExpressionBuilder( getShell( ),
				initValue );
		if ( designHandle != null )
		{
			expressionBuilder.setExpressionProvier( new ExpressionProvider( designHandle ) );
		}
		if ( expressionBuilder.open( ) == OK )
		{
			String result = DEUtil.resolveNull( expressionBuilder.getResult( ) );
			if ( control instanceof Text )
			{
				( (Text) control ).setText( result );
			}
			else if ( control instanceof Combo )
			{
				( (Combo) control ).setText( result );
			}
		}
		updateButtons( );
	}
}