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arale-popup

v1.2.0

Published

Popup 是可触发的浮层组件。

Downloads

7

Readme

Popup


Build Status Coverage Status

Popup 是可触发的浮层组件。封装了当用户点击、hover、focus 到指定元素时,可以触发另一个浮层显示的行为。


Popup 继承自 overlay,可使用其中包括 widgetbaseclasseventsattributeaspect 的属性和方法。

配置说明

element element|string

弹出的浮层元素。也可以使用 template 参数传递模板来代替这个参数。

trigger element|string

触发元素。

triggerType string

触发类型,可选[hover|click|focus],默认为 hover。

delegateNode element|string 1.0.2+

触发事件委托的对象。当使用这个配置时,需要保证 trigger 参数是一个 selector !!!

effect string

基础的动画效果,可选[fade|slide],默认为空 。fade 和 slide 可以并行。

duration number

动画时长,默认 250 毫秒。

delay number

延迟 hover 触发显示的时长,默认 70 毫秒。设为-1时,表示 popup 没有延迟显示和隐藏因素而变为 tooltip 的效果。

disabled boolean

是否能触发弹出效果,可用.set('disabled', true)进行开关。

若有范例和演示中有其他参数(如自定义位置参数 align),请参见 Popup 的父类 Overlay

属性

activeTrigger

总是指向触发显示浮层的当前触发元素(jQuery Node 对象)。

事件

animated

动画效果结束时的回调事件。.on('animated', function(){ })

最佳实践

seajs.use(['arale/popup/{{版本号}}/popup'], function(Popup){
    var example = new Popup({
        trigger: '#triggerId',
        element: '#targetId'
    });
});

需要 tooltip 效果的请如下调用:

seajs.use(['arale/popup/{{版本号}}/popup'], function(Popup){
    var example = new Popup({
        trigger: '#triggerId',
        element: '#targetId',
        delay: -1
    });
});

另外,Popup 已从 Overlay 继承了点击页面空白处浮层消失,以及窗口改变大小后浮层重新定位等被动属性, 详细请查看 演示文档

多触发器的委托应用

实践中常常遇到多个触发元素对应一个弹出层,而且触发元素会动态添加的情况。 这样如果通过多个实例来绑定 popup 效果就会比较麻烦。

这时,可以使用 delegateNode 这个参数将事件绑定到委托节点上,配合多个 trigger 来实现。 在委托节点内动态添加了 trigger 后,也无须重新绑定。

seajs.use(['popup'], function(Popup){
    new Popup({
        trigger: '.triggerClass',
        element: '#popup',
        delegateNode: '#delegateNode'
    });
});

delegeteNode示例

动态内容

当有多个触发元素,而弹出层是同一个,而且内容是根据不同触发元素而不同时,可以用下面的方式进行绑定:

seajs.use(['popup'], function(Popup){
    new Popup({
        trigger: '.triggerClass', // 有多个触发元素
        element: '#popup'
    }).before('show', funtion() {
      // 通过 activeTrigger 拿到当前触发的触发元素
      var content = this.activeTrigger.html();
      // 动态设定内容
      this.element.html(content);
    });
});