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simulate_event

Simulate mouse events

Этот скрипт недоступен для установки пользователем. Он является библиотекой, которая подключается к другим скриптам мета-ключом // @require https://update.greasyfork.org/scripts/21750/138530/simulate_event.js 

//// ==UserScript==
// @name           simulate_event 
// @namespace      https://raw.githubusercontent.com/sergeych/jsnippets/master/simulate_event.js
// ==/UserScript==

/**
 * $('#foo').simulate('click'[,options]); // => fires "click" event on an element with id=foo
 * Prototype's idea, modified to run under jQuery
 * 
 * - options: optional object to fine-tune event properties - pointerX, pointerY, ctrlKey, etc.
 * 
 **/
 
(function(){
  
  var eventMatchers = {
    'HTMLEvents': /^(?:load|unload|abort|error|select|change|submit|reset|focus|blur|resize|scroll)$/,
    'MouseEvents': /^(?:click|mouse(?:down|up|over|move|out))$/
  };

  var defaultOptions = {
    pointerX: 0,
    pointerY: 0,
    button: 0,
    ctrlKey: false,
    altKey: false,
    shiftKey: false,
    metaKey: false,
    bubbles: true,
    cancelable: true
  };
  
  jQuery.fn.simulate = function(eventName) {
		var element = this[0];
    var options = $.extend(true, defaultOptions, arguments[2] || { });
    var oEvent, eventType = null;
    
    for (var name in eventMatchers) {
      if (eventMatchers[name].test(eventName)) { eventType = name; break; }
    }

    if (!eventType)
      throw new SyntaxError('Only HTMLEvents and MouseEvents interfaces are supported');

    if (document.createEvent) {
      oEvent = document.createEvent(eventType);
      if (eventType == 'HTMLEvents') {
        oEvent.initEvent(eventName, options.bubbles, options.cancelable);
      }
      else {
        oEvent.initMouseEvent(eventName, options.bubbles, options.cancelable, document.defaultView, 
          options.button, options.pointerX, options.pointerY, options.pointerX, options.pointerY,
          options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.button, element);
      }
      element.dispatchEvent(oEvent);
    }
    else {
      options.clientX = options.pointerX;
      options.clientY = options.pointerY;
      oEvent = $.extend(document.createEventObject(), options);
      element.fireEvent('on' + eventName, oEvent);
    }
    return element;
  };
})();