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event.simulate.js
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event.simulate.js
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Event.simulate = function(element, eventName) {
var options = Object.extend({
pointerX: 0,
pointerY: 0,
button: 0,
ctrlKey: false,
altKey: false,
shiftKey: false,
metaKey: false,
bubbles: true,
cancelable: true
}, arguments[2] || { } );
var eventMatchers = {
'HTMLEvents': /load|unload|abort|error|select|change|submit|reset|focus|blur|resize|scroll/,
'MouseEvents': /click|mousedown|mouseup|mouseover|mousemove|mouseout/
};
var oEvent, eventType = null;
for (var name in eventMatchers) {
if (eventMatchers[name].test(eventName)) eventType = name;
}
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 = Object.extend(document.createEventObject(), options);
$(element).fireEvent('on' + eventName, oEvent);
}
}