TableFilter/src/event.js

define(["exports"], function (exports) {
  "use strict";

  /**
   * DOM event utilities
   */

  var Event = {
    add: function (obj, type, func, capture) {
      if (obj.addEventListener) {
        obj.addEventListener(type, func, capture);
      } else if (obj.attachEvent) {
        obj.attachEvent("on" + type, func);
      } else {
        obj["on" + type] = func;
      }
    },
    remove: function (obj, type, func, capture) {
      if (obj.detachEvent) {
        obj.detachEvent("on" + type, func);
      } else if (obj.removeEventListener) {
        obj.removeEventListener(type, func, capture);
      } else {
        obj["on" + type] = null;
      }
    },
    stop: function (evt) {
      if (!evt) {
        evt = window.event;
      }
      if (evt.stopPropagation) {
        evt.stopPropagation();
      } else {
        evt.cancelBubble = true;
      }
    },
    cancel: function (evt) {
      if (!evt) {
        evt = window.event;
      }
      if (evt.preventDefault) {
        evt.preventDefault();
      } else {
        evt.returnValue = false;
      }
    }
  };

  exports.Event = Event;
});