Files
openlayers/src/ol/events/event.js
2016-02-03 11:19:38 +01:00

61 lines
1.2 KiB
JavaScript

goog.provide('ol.events.Event');
/**
* @classdesc
* Stripped down implementation of the W3C DOM Level 2 Event interface.
* @see {@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-interface}
*
* This implementation only provides `type` and `target` properties, and
* `stopPropagation` and `preventDefault` methods. It is meant as base class
* for higher level events defined in the library, and works with
* {@link ol.events.EventTarget}.
*
* @constructor
* @param {ol.events.EventType|string} type Type.
* @param {Object=} opt_target Target.
*/
ol.events.Event = function(type, opt_target) {
/**
* @type {boolean}
*/
this.propagationStopped;
/**
* @type {string}
*/
this.type = type;
/**
* @type {Object|undefined}
*/
this.target = opt_target;
};
/**
* Stop event propagation
*/
ol.events.Event.prototype.preventDefault =
ol.events.Event.prototype.stopPropagation = function() {
this.propagationStopped = true;
};
/**
* @param {Event|ol.events.Event} evt Event
*/
ol.events.Event.stopPropagation = function(evt) {
evt.stopPropagation();
};
/**
* @param {Event|ol.events.Event} evt Event
*/
ol.events.Event.preventDefault = function(evt) {
evt.preventDefault();
};