BeanValidationInitializer.java 文件源码

/**
 * initialize one editor.
 *
 * @param editor editor to initialize
 */
@SuppressWarnings({"rawtypes", "unchecked"})
public void initializeEditors(final Object editor) {
  if (editor instanceof HasValueChangeHandlers && this.valueChangeHandler != null) {
    ((HasValueChangeHandlers) editor).addValueChangeHandler(this.valueChangeHandler);
    // if widget has a value change handler, validate on change
    if (this.validateOnVueChangeHandler != null) {
      ((HasValueChangeHandlers) editor).addValueChangeHandler(this.validateOnVueChangeHandler);
    }
  }
  // if widget has a key up handler, validate on key up
  if (editor instanceof HasKeyUpHandlers && this.validateOnKeyUpHandler != null) {
    ((HasKeyUpHandlers) editor).addKeyUpHandler(this.validateOnKeyUpHandler);
  }
  // try to submit form on return
  if (editor instanceof HasKeyPressHandlers && this.commitOnReturnHandler != null) {
    ((HasKeyPressHandlers) editor).addKeyPressHandler(this.commitOnReturnHandler);
  }
}