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simulate_event

Simulate mouse events

Tento skript by neměl být instalován přímo. Jedná se o knihovnu, kterou by měly jiné skripty využívat pomocí meta příkazu // @require https://update.greatest.deepsurf.us/scripts/21750/138530/simulate_event.js 

  1. //// ==UserScript==
  2. // @name           simulate_event 
  3. // @namespace      https://raw.githubusercontent.com/sergeych/jsnippets/master/simulate_event.js
  4. // ==/UserScript==
  5.  
  6. /**
  7.  * $('#foo').simulate('click'[,options]); // => fires "click" event on an element with id=foo
  8.  * Prototype's idea, modified to run under jQuery
  9.  * 
  10.  * - options: optional object to fine-tune event properties - pointerX, pointerY, ctrlKey, etc.
  11.  * 
  12.  **/
  13.  
  14. (function(){
  15.   
  16.   var eventMatchers = {
  17.     'HTMLEvents': /^(?:load|unload|abort|error|select|change|submit|reset|focus|blur|resize|scroll)$/,
  18.     'MouseEvents': /^(?:click|mouse(?:down|up|over|move|out))$/
  19.   };
  20.  
  21.   var defaultOptions = {
  22.     pointerX: 0,
  23.     pointerY: 0,
  24.     button: 0,
  25.     ctrlKey: false,
  26.     altKey: false,
  27.     shiftKey: false,
  28.     metaKey: false,
  29.     bubbles: true,
  30.     cancelable: true
  31.   };
  32.   
  33.   jQuery.fn.simulate = function(eventName) {
  34. 		var element = this[0];
  35.     var options = $.extend(true, defaultOptions, arguments[2] || { });
  36.     var oEvent, eventType = null;
  37.     
  38.     for (var name in eventMatchers) {
  39.       if (eventMatchers[name].test(eventName)) { eventType = name; break; }
  40.     }
  41.  
  42.     if (!eventType)
  43.       throw new SyntaxError('Only HTMLEvents and MouseEvents interfaces are supported');
  44.  
  45.     if (document.createEvent) {
  46.       oEvent = document.createEvent(eventType);
  47.       if (eventType == 'HTMLEvents') {
  48.         oEvent.initEvent(eventName, options.bubbles, options.cancelable);
  49.       }
  50.       else {
  51.         oEvent.initMouseEvent(eventName, options.bubbles, options.cancelable, document.defaultView, 
  52.           options.button, options.pointerX, options.pointerY, options.pointerX, options.pointerY,
  53.           options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.button, element);
  54.       }
  55.       element.dispatchEvent(oEvent);
  56.     }
  57.     else {
  58.       options.clientX = options.pointerX;
  59.       options.clientY = options.pointerY;
  60.       oEvent = $.extend(document.createEventObject(), options);
  61.       element.fireEvent('on' + eventName, oEvent);
  62.     }
  63.     return element;
  64.   };
  65. })();