本文整理了Java中com.google.gwt.user.client.Event.getEventListener()方法的一些代码示例，展示了Event.getEventListener()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Event.getEventListener()方法的具体详情如下：
包路径：com.google.gwt.user.client.Event
类名称：Event
方法名：getEventListener

Event.getEventListener介绍

[英]Gets the EventListener that will receive events for the given element. Only one such listener may exist for a single element.
[中]获取将接收给定元素事件的EventListener。单个元素只能存在一个这样的侦听器。

代码示例

代码示例来源：origin: com.google.gwt/gwt-servlet

private static boolean isElementChildOfWidget(Element element) {
 // Walk up the DOM hierarchy, looking for any widget with an event listener
 // set. Though it is not dependable in the general case that a widget will
 // have set its element's event listener at all times, it *is* dependable
 // if the widget is attached. Which it will be in this case.
 element = element.getParentElement();
 BodyElement body = Document.get().getBody();
 while ((element != null) && (body != element)) {
  if (Event.getEventListener(element) != null) {
   return true;
  }
  element = element.getParentElement().cast();
 }
 return false;
}

代码示例来源：origin: net.wetheinter/gwt-user

private static boolean isElementChildOfWidget(Element element) {
 // Walk up the DOM hierarchy, looking for any widget with an event listener
 // set. Though it is not dependable in the general case that a widget will
 // have set its element's event listener at all times, it *is* dependable
 // if the widget is attached. Which it will be in this case.
 element = element.getParentElement();
 BodyElement body = Document.get().getBody();
 while ((element != null) && (body != element)) {
  if (Event.getEventListener(element) != null) {
   return true;
  }
  element = element.getParentElement().cast();
 }
 return false;
}

代码示例来源：origin: com.vaadin.external.gwt/gwt-user

private static boolean isElementChildOfWidget(Element element) {
 // Walk up the DOM hierarchy, looking for any widget with an event listener
 // set. Though it is not dependable in the general case that a widget will
 // have set its element's event listener at all times, it *is* dependable
 // if the widget is attached. Which it will be in this case.
 element = element.getParentElement();
 BodyElement body = Document.get().getBody();
 while ((element != null) && (body != element)) {
  if (Event.getEventListener(element) != null) {
   return true;
  }
  element = element.getParentElement().cast();
 }
 return false;
}

代码示例来源：origin: com.googlecode.gwt-test-utils/gwt-test-utils

@PatchMethod
static boolean isElementChildOfWidget(Element element) {
  // Walk up the DOM hierarchy, looking for any widget with an event
  // listener
  // set. Though it is not dependable in the general case that a widget will
  // have set its element's event listener at all times, it *is* dependable
  // if the widget is attached. Which it will be in this case.
  element = element.getParentElement();
  BodyElement body = Document.get().getBody();
  while (element != null && body != element) {
    if (Event.getEventListener(element) != null) {
      return true;
    }
    element = element.getParentElement();
  }
  return false;
}

代码示例来源：origin: gwt-test-utils/gwt-test-utils

@PatchMethod
static boolean isElementChildOfWidget(Element element) {
  // Walk up the DOM hierarchy, looking for any widget with an event
  // listener
  // set. Though it is not dependable in the general case that a widget will
  // have set its element's event listener at all times, it *is* dependable
  // if the widget is attached. Which it will be in this case.
  element = element.getParentElement();
  BodyElement body = Document.get().getBody();
  while (element != null && body != element) {
    if (Event.getEventListener(element) != null) {
      return true;
    }
    element = element.getParentElement();
  }
  return false;
}

代码示例来源：origin: com.googlecode.gwtquery/gwtquery

private static Widget getFirstParentWidget(Widget w) {
 Element e = w.getElement().getParentElement();
 BodyElement body = Document.get().getBody();
 while ((e != null) && (body != e)) {
  if (Event.getEventListener(e) != null) {
   Widget p = $(e).widget();
   if (p != null) {
    return p;
   }
  }
  e = e.getParentElement();
 }
 return null;
}