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
}
		if ( !isExpressionOK( ) )
		{
			return false;
		}
		return checkValues( );
	}
	/**
	 * Gets if the values of the condition is(are) available.
	 */
	private boolean checkValues( )
	{
		if ( value1.getVisible( ) )
		{
			if ( value1.getText( ) == null || value1.getText( ).length( ) == 0 )
			{
				return false;
			}
		}
		if ( value2.getVisible( ) )
		{
			if ( value2.getText( ) == null || value2.getText( ).length( ) == 0 )
			{
				return false;
			}
		}
		return true;
	}
	/**
	 * SYNC the control value according to the handle.