WidgetUtility.java 文件源码

/**
 * This Method use to create error message decorator,Its show an error image with message on applied controller field. 
 * @param control
 * @param message
 * @return ControlDecoration
 */

public static ControlDecoration addDecorator(Control control,String message){
    ControlDecoration txtDecorator = new ControlDecoration(control,SWT.LEFT);
    FieldDecoration fieldDecoration = FieldDecorationRegistry.getDefault().getFieldDecoration(FieldDecorationRegistry.DEC_ERROR);
    Image img = fieldDecoration.getImage();
    txtDecorator.setImage(img);
    txtDecorator.setDescriptionText(message);
    return txtDecorator; 
}