64 lines
2.1 KiB
JavaScript
64 lines
2.1 KiB
JavaScript
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/**
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* Event.simulate(@element, eventName[, options]) -> Element
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*
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* - @element: element to fire event on
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* - eventName: name of event to fire (only MouseEvents and HTMLEvents interfaces are supported)
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* - options: optional object to fine-tune event properties - pointerX, pointerY, ctrlKey, etc.
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*
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* $('foo').simulate('click'); // => fires "click" event on an element with id=foo
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*
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**/
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(function(){
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var eventMatchers = {
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'HTMLEvents': /^(?:load|unload|abort|error|select|change|submit|reset|focus|blur|resize|scroll)$/,
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'MouseEvents': /^(?:click|dblclick|mouse(?:down|up|over|move|out))$/
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}
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var defaultOptions = {
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pointerX: 0,
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pointerY: 0,
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button: 0,
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ctrlKey: false,
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altKey: false,
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shiftKey: false,
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metaKey: false,
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bubbles: true,
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cancelable: true
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}
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Event.simulate = function(element, eventName) {
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var options = Object.extend(Object.clone(defaultOptions), arguments[2] || { });
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var oEvent, eventType = null;
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element = $(element);
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for (var name in eventMatchers) {
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if (eventMatchers[name].test(eventName)) { eventType = name; break; }
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}
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if (!eventType)
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throw new SyntaxError('Only HTMLEvents and MouseEvents interfaces are supported');
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if (document.createEvent) {
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oEvent = document.createEvent(eventType);
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if (eventType == 'HTMLEvents') {
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oEvent.initEvent(eventName, options.bubbles, options.cancelable);
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}
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else {
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oEvent.initMouseEvent(eventName, options.bubbles, options.cancelable, document.defaultView,
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options.button, options.pointerX, options.pointerY, options.pointerX, options.pointerY,
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options.ctrlKey, options.altKey, options.shiftKey, options.metaKey, options.button, element);
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}
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element.dispatchEvent(oEvent);
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}
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else {
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options.clientX = options.pointerX;
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options.clientY = options.pointerY;
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oEvent = Object.extend(document.createEventObject(), options);
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element.fireEvent('on' + eventName, oEvent);
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}
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return element;
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}
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Element.addMethods({ simulate: Event.simulate });
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})();
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