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ender.js
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ender.js
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/*!
* =============================================================
* Ender: open module JavaScript framework (https://enderjs.com)
* Build: ender build domready@v0.3.0 bean bonzo@v1.4.0 qwery@3.4.2 ender-mink --output ender --sandbox ender-core
* Packages: ender-core@2.0.0 ender-commonjs@1.0.7 domready@0.3.0 bean@1.0.14 bonzo@1.4.0 qwery@3.4.2 ender-mink@0.1.4
* =============================================================
*/
(function () {
/*!
* Ender: open module JavaScript framework (client-lib)
* http://enderjs.com
* License MIT
*/
/**
* @constructor
* @param {*=} item selector|node|collection|callback|anything
* @param {Object=} root node(s) from which to base selector queries
*/
function Ender(item, root) {
var i
this.length = 0 // Ensure that instance owns length
if (typeof item == 'string')
// start with strings so the result parlays into the other checks
// the .selector prop only applies to strings
item = ender._select(this['selector'] = item, root)
if (null == item) return this // Do not wrap null|undefined
if (typeof item == 'function') ender._closure(item, root)
// DOM node | scalar | not array-like
else if (typeof item != 'object' || item.nodeType || (i = item.length) !== +i || item == item.window)
this[this.length++] = item
// array-like - bitwise ensures integer length
else for (this.length = i = (i > 0 ? ~~i : 0); i--;)
this[i] = item[i]
}
/**
* @param {*=} item selector|node|collection|callback|anything
* @param {Object=} root node(s) from which to base selector queries
* @return {Ender}
*/
function ender(item, root) {
return new Ender(item, root)
}
/**
* @expose
* sync the prototypes for jQuery compatibility
*/
ender.fn = ender.prototype = Ender.prototype
/**
* @enum {number} protects local symbols from being overwritten
*/
ender._reserved = {
reserved: 1,
ender: 1,
expose: 1,
noConflict: 1,
fn: 1
}
/**
* @expose
* handy reference to self
*/
Ender.prototype.$ = ender
/**
* @expose
* make webkit dev tools pretty-print ender instances like arrays
*/
Ender.prototype.splice = function () { throw new Error('Not implemented') }
/**
* @expose
* @param {function(*, number, Ender)} fn
* @param {object=} scope
* @return {Ender}
*/
Ender.prototype.forEach = function (fn, scope) {
var i, l
// opt out of native forEach so we can intentionally call our own scope
// defaulting to the current item and be able to return self
for (i = 0, l = this.length; i < l; ++i) i in this && fn.call(scope || this[i], this[i], i, this)
// return self for chaining
return this
}
/**
* @expose
* @param {object|function} o
* @param {boolean=} chain
*/
ender.ender = function (o, chain) {
var o2 = chain ? Ender.prototype : ender
for (var k in o) !(k in ender._reserved) && (o2[k] = o[k])
return o2
}
/**
* @expose
* @param {string} s
* @param {Node=} r
*/
ender._select = function (s, r) {
return s ? (r || document).querySelectorAll(s) : []
}
/**
* @expose
* @param {function} fn
*/
ender._closure = function (fn) {
fn.call(document, ender)
}
if (typeof module !== 'undefined' && module['exports']) module['exports'] = ender
var $ = ender
/**
* @expose
* @param {string} name
* @param {*} value
*/
ender.expose = function (name, value) {
ender.expose.old[name] = window[name]
window[name] = value
}
/**
* @expose
*/
ender.expose.old = {}
/**
* @expose
* @param {boolean} all restore only $ or all ender globals
*/
ender.noConflict = function (all) {
window['$'] = ender.expose.old['$']
if (all) for (var k in ender.expose.old) window[k] = ender.expose.old[k]
return this
}
ender.expose('$', ender)
ender.expose('ender', ender); // uglify needs this semi-colon between concating files
/*!
* Ender: open module JavaScript framework (module-lib)
* http://enderjs.com
* License MIT
*/
var global = this
/**
* @param {string} id module id to load
* @return {object}
*/
function require(id) {
if ('$' + id in require._cache)
return require._cache['$' + id]
if ('$' + id in require._modules)
return (require._cache['$' + id] = require._modules['$' + id]._load())
if (id in window)
return window[id]
throw new Error('Requested module "' + id + '" has not been defined.')
}
/**
* @param {string} id module id to provide to require calls
* @param {object} exports the exports object to be returned
*/
function provide(id, exports) {
return (require._cache['$' + id] = exports)
}
/**
* @expose
* @dict
*/
require._cache = {}
/**
* @expose
* @dict
*/
require._modules = {}
/**
* @constructor
* @param {string} id module id for this module
* @param {function(Module, object, function(id), object)} fn module definition
*/
function Module(id, fn) {
this.id = id
this.fn = fn
require._modules['$' + id] = this
}
/**
* @expose
* @param {string} id module id to load from the local module context
* @return {object}
*/
Module.prototype.require = function (id) {
var parts, i
if (id.charAt(0) == '.') {
parts = (this.id.replace(/\/.*?$/, '/') + id.replace(/\.js$/, '')).split('/')
while (~(i = parts.indexOf('.')))
parts.splice(i, 1)
while ((i = parts.lastIndexOf('..')) > 0)
parts.splice(i - 1, 2)
id = parts.join('/')
}
return require(id)
}
/**
* @expose
* @return {object}
*/
Module.prototype._load = function () {
var m = this
if (!m._loaded) {
m._loaded = true
/**
* @expose
*/
m.exports = {}
m.fn.call(global, m, m.exports, function (id) { return m.require(id) }, global)
}
return m.exports
}
/**
* @expose
* @param {string} id main module id
* @param {Object.<string, function>} modules mapping of module ids to definitions
* @param {string} main the id of the main module
*/
Module.createPackage = function (id, modules, main) {
var path, m
for (path in modules) {
new Module(id + '/' + path, modules[path])
if (m = path.match(/^(.+)\/index$/)) new Module(id + '/' + m[1], modules[path])
}
if (main) require._modules['$' + id] = require._modules['$' + id + '/' + main]
}
Module.createPackage('domready', {
'ready': function (module, exports, require, global) {
/*!
* domready (c) Dustin Diaz 2012 - License MIT
*/
!function (name, definition) {
if (typeof module != 'undefined') module.exports = definition()
else if (typeof define == 'function' && typeof define.amd == 'object') define(definition)
else this[name] = definition()
}('domready', function (ready) {
var fns = [], fn, f = false
, doc = document
, testEl = doc.documentElement
, hack = testEl.doScroll
, domContentLoaded = 'DOMContentLoaded'
, addEventListener = 'addEventListener'
, onreadystatechange = 'onreadystatechange'
, readyState = 'readyState'
, loadedRgx = hack ? /^loaded|^c/ : /^loaded|c/
, loaded = loadedRgx.test(doc[readyState])
function flush(f) {
loaded = 1
while (f = fns.shift()) f()
}
doc[addEventListener] && doc[addEventListener](domContentLoaded, fn = function () {
doc.removeEventListener(domContentLoaded, fn, f)
flush()
}, f)
hack && doc.attachEvent(onreadystatechange, fn = function () {
if (/^c/.test(doc[readyState])) {
doc.detachEvent(onreadystatechange, fn)
flush()
}
})
return (ready = hack ?
function (fn) {
self != top ?
loaded ? fn() : fns.push(fn) :
function () {
try {
testEl.doScroll('left')
} catch (e) {
return setTimeout(function() { ready(fn) }, 50)
}
fn()
}()
} :
function (fn) {
loaded ? fn() : fns.push(fn)
})
})
},
'src/ender': function (module, exports, require, global) {
!function ($) {
var ready = require('domready')
$.ender({domReady: ready})
$.ender({
ready: function (f) {
ready(f)
return this
}
}, true)
}(ender);
}
}, 'ready');
Module.createPackage('bean', {
'bean': function (module, exports, require, global) {
/*!
* Bean - copyright (c) Jacob Thornton 2011-2012
* https://github.com/fat/bean
* MIT license
*/
(function (name, context, definition) {
if (typeof module != 'undefined' && module.exports) module.exports = definition()
else if (typeof define == 'function' && define.amd) define(definition)
else context[name] = definition()
})('bean', this, function (name, context) {
name = name || 'bean'
context = context || this
var win = window
, old = context[name]
, namespaceRegex = /[^\.]*(?=\..*)\.|.*/
, nameRegex = /\..*/
, addEvent = 'addEventListener'
, removeEvent = 'removeEventListener'
, doc = document || {}
, root = doc.documentElement || {}
, W3C_MODEL = root[addEvent]
, eventSupport = W3C_MODEL ? addEvent : 'attachEvent'
, ONE = {} // singleton for quick matching making add() do one()
, slice = Array.prototype.slice
, str2arr = function (s, d) { return s.split(d || ' ') }
, isString = function (o) { return typeof o == 'string' }
, isFunction = function (o) { return typeof o == 'function' }
// events that we consider to be 'native', anything not in this list will
// be treated as a custom event
, standardNativeEvents =
'click dblclick mouseup mousedown contextmenu ' + // mouse buttons
'mousewheel mousemultiwheel DOMMouseScroll ' + // mouse wheel
'mouseover mouseout mousemove selectstart selectend ' + // mouse movement
'keydown keypress keyup ' + // keyboard
'orientationchange ' + // mobile
'focus blur change reset select submit ' + // form elements
'load unload beforeunload resize move DOMContentLoaded ' + // window
'readystatechange message ' + // window
'error abort scroll ' // misc
// element.fireEvent('onXYZ'... is not forgiving if we try to fire an event
// that doesn't actually exist, so make sure we only do these on newer browsers
, w3cNativeEvents =
'show ' + // mouse buttons
'input invalid ' + // form elements
'touchstart touchmove touchend touchcancel ' + // touch
'gesturestart gesturechange gestureend ' + // gesture
'textinput ' + // TextEvent
'readystatechange pageshow pagehide popstate ' + // window
'hashchange offline online ' + // window
'afterprint beforeprint ' + // printing
'dragstart dragenter dragover dragleave drag drop dragend ' + // dnd
'loadstart progress suspend emptied stalled loadmetadata ' + // media
'loadeddata canplay canplaythrough playing waiting seeking ' + // media
'seeked ended durationchange timeupdate play pause ratechange ' + // media
'volumechange cuechange ' + // media
'checking noupdate downloading cached updateready obsolete ' // appcache
// convert to a hash for quick lookups
, nativeEvents = (function (hash, events, i) {
for (i = 0; i < events.length; i++) events[i] && (hash[events[i]] = 1)
return hash
}({}, str2arr(standardNativeEvents + (W3C_MODEL ? w3cNativeEvents : ''))))
// custom events are events that we *fake*, they are not provided natively but
// we can use native events to generate them
, customEvents = (function () {
var isAncestor = 'compareDocumentPosition' in root
? function (element, container) {
return container.compareDocumentPosition && (container.compareDocumentPosition(element) & 16) === 16
}
: 'contains' in root
? function (element, container) {
container = container.nodeType === 9 || container === window ? root : container
return container !== element && container.contains(element)
}
: function (element, container) {
while (element = element.parentNode) if (element === container) return 1
return 0
}
, check = function (event) {
var related = event.relatedTarget
return !related
? related == null
: (related !== this && related.prefix !== 'xul' && !/document/.test(this.toString())
&& !isAncestor(related, this))
}
return {
mouseenter: { base: 'mouseover', condition: check }
, mouseleave: { base: 'mouseout', condition: check }
, mousewheel: { base: /Firefox/.test(navigator.userAgent) ? 'DOMMouseScroll' : 'mousewheel' }
}
}())
// we provide a consistent Event object across browsers by taking the actual DOM
// event object and generating a new one from its properties.
, Event = (function () {
// a whitelist of properties (for different event types) tells us what to check for and copy
var commonProps = str2arr('altKey attrChange attrName bubbles cancelable ctrlKey currentTarget ' +
'detail eventPhase getModifierState isTrusted metaKey relatedNode relatedTarget shiftKey ' +
'srcElement target timeStamp type view which propertyName')
, mouseProps = commonProps.concat(str2arr('button buttons clientX clientY dataTransfer ' +
'fromElement offsetX offsetY pageX pageY screenX screenY toElement'))
, mouseWheelProps = mouseProps.concat(str2arr('wheelDelta wheelDeltaX wheelDeltaY wheelDeltaZ ' +
'axis')) // 'axis' is FF specific
, keyProps = commonProps.concat(str2arr('char charCode key keyCode keyIdentifier ' +
'keyLocation location'))
, textProps = commonProps.concat(str2arr('data'))
, touchProps = commonProps.concat(str2arr('touches targetTouches changedTouches scale rotation'))
, messageProps = commonProps.concat(str2arr('data origin source'))
, stateProps = commonProps.concat(str2arr('state'))
, overOutRegex = /over|out/
// some event types need special handling and some need special properties, do that all here
, typeFixers = [
{ // key events
reg: /key/i
, fix: function (event, newEvent) {
newEvent.keyCode = event.keyCode || event.which
return keyProps
}
}
, { // mouse events
reg: /click|mouse(?!(.*wheel|scroll))|menu|drag|drop/i
, fix: function (event, newEvent, type) {
newEvent.rightClick = event.which === 3 || event.button === 2
newEvent.pos = { x: 0, y: 0 }
if (event.pageX || event.pageY) {
newEvent.clientX = event.pageX
newEvent.clientY = event.pageY
} else if (event.clientX || event.clientY) {
newEvent.clientX = event.clientX + doc.body.scrollLeft + root.scrollLeft
newEvent.clientY = event.clientY + doc.body.scrollTop + root.scrollTop
}
if (overOutRegex.test(type)) {
newEvent.relatedTarget = event.relatedTarget
|| event[(type == 'mouseover' ? 'from' : 'to') + 'Element']
}
return mouseProps
}
}
, { // mouse wheel events
reg: /mouse.*(wheel|scroll)/i
, fix: function () { return mouseWheelProps }
}
, { // TextEvent
reg: /^text/i
, fix: function () { return textProps }
}
, { // touch and gesture events
reg: /^touch|^gesture/i
, fix: function () { return touchProps }
}
, { // message events
reg: /^message$/i
, fix: function () { return messageProps }
}
, { // popstate events
reg: /^popstate$/i
, fix: function () { return stateProps }
}
, { // everything else
reg: /.*/
, fix: function () { return commonProps }
}
]
, typeFixerMap = {} // used to map event types to fixer functions (above), a basic cache mechanism
, Event = function (event, element, isNative) {
if (!arguments.length) return
event = event || ((element.ownerDocument || element.document || element).parentWindow || win).event
this.originalEvent = event
this.isNative = isNative
this.isBean = true
if (!event) return
var type = event.type
, target = event.target || event.srcElement
, i, l, p, props, fixer
this.target = target && target.nodeType === 3 ? target.parentNode : target
if (isNative) { // we only need basic augmentation on custom events, the rest expensive & pointless
fixer = typeFixerMap[type]
if (!fixer) { // haven't encountered this event type before, map a fixer function for it
for (i = 0, l = typeFixers.length; i < l; i++) {
if (typeFixers[i].reg.test(type)) { // guaranteed to match at least one, last is .*
typeFixerMap[type] = fixer = typeFixers[i].fix
break
}
}
}
props = fixer(event, this, type)
for (i = props.length; i--;) {
if (!((p = props[i]) in this) && p in event) this[p] = event[p]
}
}
}
// preventDefault() and stopPropagation() are a consistent interface to those functions
// on the DOM, stop() is an alias for both of them together
Event.prototype.preventDefault = function () {
if (this.originalEvent.preventDefault) this.originalEvent.preventDefault()
else this.originalEvent.returnValue = false
}
Event.prototype.stopPropagation = function () {
if (this.originalEvent.stopPropagation) this.originalEvent.stopPropagation()
else this.originalEvent.cancelBubble = true
}
Event.prototype.stop = function () {
this.preventDefault()
this.stopPropagation()
this.stopped = true
}
// stopImmediatePropagation() has to be handled internally because we manage the event list for
// each element
// note that originalElement may be a Bean#Event object in some situations
Event.prototype.stopImmediatePropagation = function () {
if (this.originalEvent.stopImmediatePropagation) this.originalEvent.stopImmediatePropagation()
this.isImmediatePropagationStopped = function () { return true }
}
Event.prototype.isImmediatePropagationStopped = function () {
return this.originalEvent.isImmediatePropagationStopped && this.originalEvent.isImmediatePropagationStopped()
}
Event.prototype.clone = function (currentTarget) {
//TODO: this is ripe for optimisation, new events are *expensive*
// improving this will speed up delegated events
var ne = new Event(this, this.element, this.isNative)
ne.currentTarget = currentTarget
return ne
}
return Event
}())
// if we're in old IE we can't do onpropertychange on doc or win so we use doc.documentElement for both
, targetElement = function (element, isNative) {
return !W3C_MODEL && !isNative && (element === doc || element === win) ? root : element
}
/**
* Bean maintains an internal registry for event listeners. We don't touch elements, objects
* or functions to identify them, instead we store everything in the registry.
* Each event listener has a RegEntry object, we have one 'registry' for the whole instance.
*/
, RegEntry = (function () {
// each handler is wrapped so we can handle delegation and custom events
var wrappedHandler = function (element, fn, condition, args) {
var call = function (event, eargs) {
return fn.apply(element, args ? slice.call(eargs).concat(args) : eargs)
}
, findTarget = function (event, eventElement) {
return fn.__beanDel ? fn.__beanDel.ft(event.target, element) : eventElement
}
, handler = condition
? function (event) {
var target = findTarget(event, this) // deleated event
if (condition.apply(target, arguments)) {
if (event) event.currentTarget = target
return call(event, arguments)
}
}
: function (event) {
if (fn.__beanDel) event = event.clone(findTarget(event)) // delegated event, fix the fix
return call(event, arguments)
}
handler.__beanDel = fn.__beanDel
return handler
}
, RegEntry = function (element, type, handler, original, namespaces, args, root) {
var customType = customEvents[type]
, isNative
if (type == 'unload') {
// self clean-up
handler = once(removeListener, element, type, handler, original)
}
if (customType) {
if (customType.condition) {
handler = wrappedHandler(element, handler, customType.condition, args)
}
type = customType.base || type
}
this.isNative = isNative = nativeEvents[type] && !!element[eventSupport]
this.customType = !W3C_MODEL && !isNative && type
this.element = element
this.type = type
this.original = original
this.namespaces = namespaces
this.eventType = W3C_MODEL || isNative ? type : 'propertychange'
this.target = targetElement(element, isNative)
this[eventSupport] = !!this.target[eventSupport]
this.root = root
this.handler = wrappedHandler(element, handler, null, args)
}
// given a list of namespaces, is our entry in any of them?
RegEntry.prototype.inNamespaces = function (checkNamespaces) {
var i, j, c = 0
if (!checkNamespaces) return true
if (!this.namespaces) return false
for (i = checkNamespaces.length; i--;) {
for (j = this.namespaces.length; j--;) {
if (checkNamespaces[i] == this.namespaces[j]) c++
}
}
return checkNamespaces.length === c
}
// match by element, original fn (opt), handler fn (opt)
RegEntry.prototype.matches = function (checkElement, checkOriginal, checkHandler) {
return this.element === checkElement &&
(!checkOriginal || this.original === checkOriginal) &&
(!checkHandler || this.handler === checkHandler)
}
return RegEntry
}())
, registry = (function () {
// our map stores arrays by event type, just because it's better than storing
// everything in a single array.
// uses '$' as a prefix for the keys for safety and 'r' as a special prefix for
// rootListeners so we can look them up fast
var map = {}
// generic functional search of our registry for matching listeners,
// `fn` returns false to break out of the loop
, forAll = function (element, type, original, handler, root, fn) {
var pfx = root ? 'r' : '$'
if (!type || type == '*') {
// search the whole registry
for (var t in map) {
if (t.charAt(0) == pfx) {
forAll(element, t.substr(1), original, handler, root, fn)
}
}
} else {
var i = 0, l, list = map[pfx + type], all = element == '*'
if (!list) return
for (l = list.length; i < l; i++) {
if ((all || list[i].matches(element, original, handler)) && !fn(list[i], list, i, type)) return
}
}
}
, has = function (element, type, original, root) {
// we're not using forAll here simply because it's a bit slower and this
// needs to be fast
var i, list = map[(root ? 'r' : '$') + type]
if (list) {
for (i = list.length; i--;) {
if (!list[i].root && list[i].matches(element, original, null)) return true
}
}
return false
}
, get = function (element, type, original, root) {
var entries = []
forAll(element, type, original, null, root, function (entry) {
return entries.push(entry)
})
return entries
}
, put = function (entry) {
var has = !entry.root && !this.has(entry.element, entry.type, null, false)
, key = (entry.root ? 'r' : '$') + entry.type
;(map[key] || (map[key] = [])).push(entry)
return has
}
, del = function (entry) {
forAll(entry.element, entry.type, null, entry.handler, entry.root, function (entry, list, i) {
list.splice(i, 1)
entry.removed = true
if (list.length === 0) delete map[(entry.root ? 'r' : '$') + entry.type]
return false
})
}
// dump all entries, used for onunload
, entries = function () {
var t, entries = []
for (t in map) {
if (t.charAt(0) == '$') entries = entries.concat(map[t])
}
return entries
}
return { has: has, get: get, put: put, del: del, entries: entries }
}())
// we need a selector engine for delegated events, use querySelectorAll if it exists
// but for older browsers we need Qwery, Sizzle or similar
, selectorEngine
, setSelectorEngine = function (e) {
if (!arguments.length) {
selectorEngine = doc.querySelectorAll
? function (s, r) {
return r.querySelectorAll(s)
}
: function () {
throw new Error('Bean: No selector engine installed') // eeek
}
} else {
selectorEngine = e
}
}
// we attach this listener to each DOM event that we need to listen to, only once
// per event type per DOM element
, rootListener = function (event, type) {
if (!W3C_MODEL && type && event && event.propertyName != '_on' + type) return
var listeners = registry.get(this, type || event.type, null, false)
, l = listeners.length
, i = 0
event = new Event(event, this, true)
if (type) event.type = type
// iterate through all handlers registered for this type, calling them unless they have
// been removed by a previous handler or stopImmediatePropagation() has been called
for (; i < l && !event.isImmediatePropagationStopped(); i++) {
if (!listeners[i].removed) listeners[i].handler.call(this, event)
}
}
// add and remove listeners to DOM elements
, listener = W3C_MODEL
? function (element, type, add) {
// new browsers
element[add ? addEvent : removeEvent](type, rootListener, false)
}
: function (element, type, add, custom) {
// IE8 and below, use attachEvent/detachEvent and we have to piggy-back propertychange events
// to simulate event bubbling etc.
var entry
if (add) {
registry.put(entry = new RegEntry(
element
, custom || type
, function (event) { // handler
rootListener.call(element, event, custom)
}
, rootListener
, null
, null
, true // is root
))
if (custom && element['_on' + custom] == null) element['_on' + custom] = 0
entry.target.attachEvent('on' + entry.eventType, entry.handler)
} else {
entry = registry.get(element, custom || type, rootListener, true)[0]
if (entry) {
entry.target.detachEvent('on' + entry.eventType, entry.handler)
registry.del(entry)
}
}
}
, once = function (rm, element, type, fn, originalFn) {
// wrap the handler in a handler that does a remove as well
return function () {
fn.apply(this, arguments)
rm(element, type, originalFn)
}
}
, removeListener = function (element, orgType, handler, namespaces) {
var type = orgType && orgType.replace(nameRegex, '')
, handlers = registry.get(element, type, null, false)
, removed = {}
, i, l
for (i = 0, l = handlers.length; i < l; i++) {
if ((!handler || handlers[i].original === handler) && handlers[i].inNamespaces(namespaces)) {
// TODO: this is problematic, we have a registry.get() and registry.del() that
// both do registry searches so we waste cycles doing this. Needs to be rolled into
// a single registry.forAll(fn) that removes while finding, but the catch is that
// we'll be splicing the arrays that we're iterating over. Needs extra tests to
// make sure we don't screw it up. @rvagg
registry.del(handlers[i])
if (!removed[handlers[i].eventType] && handlers[i][eventSupport])
removed[handlers[i].eventType] = { t: handlers[i].eventType, c: handlers[i].type }
}
}
// check each type/element for removed listeners and remove the rootListener where it's no longer needed
for (i in removed) {
if (!registry.has(element, removed[i].t, null, false)) {
// last listener of this type, remove the rootListener
listener(element, removed[i].t, false, removed[i].c)
}
}
}
// set up a delegate helper using the given selector, wrap the handler function
, delegate = function (selector, fn) {
//TODO: findTarget (therefore $) is called twice, once for match and once for
// setting e.currentTarget, fix this so it's only needed once
var findTarget = function (target, root) {
var i, array = isString(selector) ? selectorEngine(selector, root) : selector
for (; target && target !== root; target = target.parentNode) {
for (i = array.length; i--;) {
if (array[i] === target) return target
}
}
}
, handler = function (e) {
var match = findTarget(e.target, this)
if (match) fn.apply(match, arguments)
}
// __beanDel isn't pleasant but it's a private function, not exposed outside of Bean
handler.__beanDel = {
ft : findTarget // attach it here for customEvents to use too
, selector : selector
}
return handler
}
, fireListener = W3C_MODEL ? function (isNative, type, element) {
// modern browsers, do a proper dispatchEvent()
var evt = doc.createEvent(isNative ? 'HTMLEvents' : 'UIEvents')
evt[isNative ? 'initEvent' : 'initUIEvent'](type, true, true, win, 1)
element.dispatchEvent(evt)
} : function (isNative, type, element) {
// old browser use onpropertychange, just increment a custom property to trigger the event
element = targetElement(element, isNative)
isNative ? element.fireEvent('on' + type, doc.createEventObject()) : element['_on' + type]++
}
/**
* Public API: off(), on(), add(), (remove()), one(), fire(), clone()
*/
/**
* off(element[, eventType(s)[, handler ]])
*/
, off = function (element, typeSpec, fn) {
var isTypeStr = isString(typeSpec)
, k, type, namespaces, i
if (isTypeStr && typeSpec.indexOf(' ') > 0) {
// off(el, 't1 t2 t3', fn) or off(el, 't1 t2 t3')
typeSpec = str2arr(typeSpec)
for (i = typeSpec.length; i--;)
off(element, typeSpec[i], fn)
return element
}
type = isTypeStr && typeSpec.replace(nameRegex, '')
if (type && customEvents[type]) type = customEvents[type].base
if (!typeSpec || isTypeStr) {
// off(el) or off(el, t1.ns) or off(el, .ns) or off(el, .ns1.ns2.ns3)
if (namespaces = isTypeStr && typeSpec.replace(namespaceRegex, '')) namespaces = str2arr(namespaces, '.')
removeListener(element, type, fn, namespaces)
} else if (isFunction(typeSpec)) {
// off(el, fn)
removeListener(element, null, typeSpec)
} else {
// off(el, { t1: fn1, t2, fn2 })
for (k in typeSpec) {
if (typeSpec.hasOwnProperty(k)) off(element, k, typeSpec[k])
}
}
return element
}
/**
* on(element, eventType(s)[, selector], handler[, args ])
*/
, on = function(element, events, selector, fn) {
var originalFn, type, types, i, args, entry, first
//TODO: the undefined check means you can't pass an 'args' argument, fix this perhaps?
if (selector === undefined && typeof events == 'object') {
//TODO: this can't handle delegated events
for (type in events) {
if (events.hasOwnProperty(type)) {
on.call(this, element, type, events[type])
}
}
return
}
if (!isFunction(selector)) {
// delegated event
originalFn = fn
args = slice.call(arguments, 4)
fn = delegate(selector, originalFn, selectorEngine)
} else {
args = slice.call(arguments, 3)
fn = originalFn = selector
}
types = str2arr(events)
// special case for one(), wrap in a self-removing handler
if (this === ONE) {
fn = once(off, element, events, fn, originalFn)
}
for (i = types.length; i--;) {
// add new handler to the registry and check if it's the first for this element/type
first = registry.put(entry = new RegEntry(
element
, types[i].replace(nameRegex, '') // event type
, fn
, originalFn
, str2arr(types[i].replace(namespaceRegex, ''), '.') // namespaces
, args
, false // not root
))
if (entry[eventSupport] && first) {
// first event of this type on this element, add root listener
listener(element, entry.eventType, true, entry.customType)
}
}
return element
}
/**
* add(element[, selector], eventType(s), handler[, args ])
*
* Deprecated: kept (for now) for backward-compatibility
*/
, add = function (element, events, fn, delfn) {
return on.apply(
null
, !isString(fn)
? slice.call(arguments)
: [ element, fn, events, delfn ].concat(arguments.length > 3 ? slice.call(arguments, 5) : [])
)
}
/**
* one(element, eventType(s)[, selector], handler[, args ])
*/
, one = function () {
return on.apply(ONE, arguments)
}