simulate_event

Simulate mouse events

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @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;
  };
})();