File: test/zepto/event.js

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File: test/zepto/event.js
Role: Unit test script
Content type: text/plain
Description: Unit test script
Class: jQuery Mask Plugin
Filter characters typed in form inputs using masks
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Last change: Update of test/zepto/event.js
Date: 2 years ago
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// Zepto.js // (c) 2010-2014 Thomas Fuchs // Zepto.js may be freely distributed under the MIT license. ;(function($){ var _zid = 1, undefined, slice = Array.prototype.slice, isFunction = $.isFunction, isString = function(obj){ return typeof obj == 'string' }, handlers = {}, specialEvents={}, focusinSupported = 'onfocusin' in window, focus = { focus: 'focusin', blur: 'focusout' }, hover = { mouseenter: 'mouseover', mouseleave: 'mouseout' } specialEvents.click = specialEvents.mousedown = specialEvents.mouseup = specialEvents.mousemove = 'MouseEvents' function zid(element) { return element._zid || (element._zid = _zid++) } function findHandlers(element, event, fn, selector) { event = parse(event) if (event.ns) var matcher = matcherFor(event.ns) return (handlers[zid(element)] || []).filter(function(handler) { return handler && (!event.e || handler.e == event.e) && (!event.ns || matcher.test(handler.ns)) && (!fn || zid(handler.fn) === zid(fn)) && (!selector || handler.sel == selector) }) } function parse(event) { var parts = ('' + event).split('.') return {e: parts[0], ns: parts.slice(1).sort().join(' ')} } function matcherFor(ns) { return new RegExp('(?:^| )' + ns.replace(' ', ' .* ?') + '(?: |$)') } function eventCapture(handler, captureSetting) { return handler.del && (!focusinSupported && (handler.e in focus)) || !!captureSetting } function realEvent(type) { return hover[type] || (focusinSupported && focus[type]) || type } function add(element, events, fn, data, selector, delegator, capture){ var id = zid(element), set = (handlers[id] || (handlers[id] = [])) events.split(/\s/).forEach(function(event){ if (event == 'ready') return $(document).ready(fn) var handler = parse(event) handler.fn = fn handler.sel = selector // emulate mouseenter, mouseleave if (handler.e in hover) fn = function(e){ var related = e.relatedTarget if (!related || (related !== this && !$.contains(this, related))) return handler.fn.apply(this, arguments) } handler.del = delegator var callback = delegator || fn handler.proxy = function(e){ e = compatible(e) if (e.isImmediatePropagationStopped()) return e.data = data var result = callback.apply(element, e._args == undefined ? [e] : [e].concat(e._args)) if (result === false) e.preventDefault(), e.stopPropagation() return result } handler.i = set.length set.push(handler) if ('addEventListener' in element) element.addEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture)) }) } function remove(element, events, fn, selector, capture){ var id = zid(element) ;(events || '').split(/\s/).forEach(function(event){ findHandlers(element, event, fn, selector).forEach(function(handler){ delete handlers[id][handler.i] if ('removeEventListener' in element) element.removeEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture)) }) }) } $.event = { add: add, remove: remove } $.proxy = function(fn, context) { var args = (2 in arguments) && slice.call(arguments, 2) if (isFunction(fn)) { var proxyFn = function(){ return fn.apply(context, args ? args.concat(slice.call(arguments)) : arguments) } proxyFn._zid = zid(fn) return proxyFn } else if (isString(context)) { if (args) { args.unshift(fn[context], fn) return $.proxy.apply(null, args) } else { return $.proxy(fn[context], fn) } } else { throw new TypeError("expected function") } } $.fn.bind = function(event, data, callback){ return this.on(event, data, callback) } $.fn.unbind = function(event, callback){ return this.off(event, callback) } $.fn.one = function(event, selector, data, callback){ return this.on(event, selector, data, callback, 1) } var returnTrue = function(){return true}, returnFalse = function(){return false}, ignoreProperties = /^([A-Z]|returnValue$|layer[XY]$)/, eventMethods = { preventDefault: 'isDefaultPrevented', stopImmediatePropagation: 'isImmediatePropagationStopped', stopPropagation: 'isPropagationStopped' } function compatible(event, source) { if (source || !event.isDefaultPrevented) { source || (source = event) $.each(eventMethods, function(name, predicate) { var sourceMethod = source[name] event[name] = function(){ this[predicate] = returnTrue return sourceMethod && sourceMethod.apply(source, arguments) } event[predicate] = returnFalse }) if (source.defaultPrevented !== undefined ? source.defaultPrevented : 'returnValue' in source ? source.returnValue === false : source.getPreventDefault && source.getPreventDefault()) event.isDefaultPrevented = returnTrue } return event } function createProxy(event) { var key, proxy = { originalEvent: event } for (key in event) if (!ignoreProperties.test(key) && event[key] !== undefined) proxy[key] = event[key] return compatible(proxy, event) } $.fn.delegate = function(selector, event, callback){ return this.on(event, selector, callback) } $.fn.undelegate = function(selector, event, callback){ return this.off(event, selector, callback) } $.fn.live = function(event, callback){ $(document.body).delegate(this.selector, event, callback) return this } $.fn.die = function(event, callback){ $(document.body).undelegate(this.selector, event, callback) return this } $.fn.on = function(event, selector, data, callback, one){ var autoRemove, delegator, $this = this if (event && !isString(event)) { $.each(event, function(type, fn){ $this.on(type, selector, data, fn, one) }) return $this } if (!isString(selector) && !isFunction(callback) && callback !== false) callback = data, data = selector, selector = undefined if (isFunction(data) || data === false) callback = data, data = undefined if (callback === false) callback = returnFalse return $this.each(function(_, element){ if (one) autoRemove = function(e){ remove(element, e.type, callback) return callback.apply(this, arguments) } if (selector) delegator = function(e){ var evt, match = $(e.target).closest(selector, element).get(0) if (match && match !== element) { evt = $.extend(createProxy(e), {currentTarget: match, liveFired: element}) return (autoRemove || callback).apply(match, [evt].concat(slice.call(arguments, 1))) } } add(element, event, callback, data, selector, delegator || autoRemove) }) } $.fn.off = function(event, selector, callback){ var $this = this if (event && !isString(event)) { $.each(event, function(type, fn){ $this.off(type, selector, fn) }) return $this } if (!isString(selector) && !isFunction(callback) && callback !== false) callback = selector, selector = undefined if (callback === false) callback = returnFalse return $this.each(function(){ remove(this, event, callback, selector) }) } $.fn.trigger = function(event, args){ event = (isString(event) || $.isPlainObject(event)) ? $.Event(event) : compatible(event) event._args = args return this.each(function(){ // items in the collection might not be DOM elements if('dispatchEvent' in this) this.dispatchEvent(event) else $(this).triggerHandler(event, args) }) } // triggers event handlers on current element just as if an event occurred, // doesn't trigger an actual event, doesn't bubble $.fn.triggerHandler = function(event, args){ var e, result this.each(function(i, element){ e = createProxy(isString(event) ? $.Event(event) : event) e._args = args e.target = element $.each(findHandlers(element, event.type || event), function(i, handler){ result = handler.proxy(e) if (e.isImmediatePropagationStopped()) return false }) }) return result } // shortcut methods for `.bind(event, fn)` for each event type ;('focusin focusout load resize scroll unload click dblclick '+ 'mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave '+ 'change select keydown keypress keyup error').split(' ').forEach(function(event) { $.fn[event] = function(callback) { return callback ? this.bind(event, callback) : this.trigger(event) } }) ;['focus', 'blur'].forEach(function(name) { $.fn[name] = function(callback) { if (callback) this.bind(name, callback) else this.each(function(){ try { this[name]() } catch(e) {} }) return this } }) $.Event = function(type, props) { if (!isString(type)) props = type, type = props.type var event = document.createEvent(specialEvents[type] || 'Events'), bubbles = true if (props) for (var name in props) (name == 'bubbles') ? (bubbles = !!props[name]) : (event[name] = props[name]) event.initEvent(type, bubbles, true) return compatible(event) } })(Zepto)