1
YUI.add('event-base', function (Y, NAME) {
4
* DOM event listener abstraction layer
6
* @submodule event-base
10
* The domready event fires at the moment the browser's DOM is
11
* usable. In most cases, this is before images are fully
12
* downloaded, allowing you to provide a more responsive user
15
* In YUI 3, domready subscribers will be notified immediately if
16
* that moment has already passed when the subscription is created.
18
* One exception is if the yui.js file is dynamically injected into
19
* the page. If this is done, you must tell the YUI instance that
20
* you did this in order for DOMReady (and window load events) to
21
* fire normally. That configuration option is 'injected' -- set
22
* it to true if the yui.js script is not included inline.
24
* This method is part of the 'event-ready' module, which is a
25
* submodule of 'event'.
30
Y.publish('domready', {
35
if (YUI.Env.DOMReady) {
38
Y.Do.before(function() { Y.fire('domready'); }, YUI.Env, '_ready');
42
* Custom event engine, DOM event listener abstraction layer, synthetic DOM
45
* @submodule event-base
49
* Wraps a DOM event, properties requiring browser abstraction are
50
* fixed here. Provids a security layer when required.
51
* @class DOMEventFacade
52
* @param ev {Event} the DOM event
53
* @param currentTarget {HTMLElement} the element the listener was attached to
54
* @param wrapper {CustomEvent} the custom event wrapper for this DOM event
62
* webkit key remapping required for Safari < 3.1
63
* @property webkitKeymap
72
63277: 34, // page down
73
25: 9, // SHIFT-TAB (Safari provides a different key code in
74
// this case, even though the shiftKey modifier is set)
81
* Returns a wrapped node. Intended to be used on event targets,
82
* so it will return the node's parent if the target is a text
85
* If accessing a property of the node throws an error, this is
86
* probably the anonymous div wrapper Gecko adds inside text
87
* nodes. This likely will only occur when attempting to access
88
* the relatedTarget. In this case, we now return null because
89
* the anonymous div is completely useless and we do not know
90
* what the related target was because we can't even get to
91
* the element's parent node.
96
resolve = function(n) {
101
if (n && 3 == n.nodeType) {
111
DOMEventFacade = function(ev, currentTarget, wrapper) {
113
this._currentTarget = currentTarget;
114
this._wrapper = wrapper || EMPTY;
120
Y.extend(DOMEventFacade, Object, {
125
overrides = this._wrapper.overrides,
129
currentTarget = this._currentTarget;
131
this.altKey = e.altKey;
132
this.ctrlKey = e.ctrlKey;
133
this.metaKey = e.metaKey;
134
this.shiftKey = e.shiftKey;
135
this.type = (overrides && overrides.type) || e.type;
136
this.clientX = e.clientX;
137
this.clientY = e.clientY;
142
// charCode is unknown in keyup, keydown. keyCode is unknown in keypress.
143
// FF 3.6 - 8+? pass 0 for keyCode in keypress events.
144
// Webkit, FF 3.6-8+?, and IE9+? pass 0 for charCode in keydown, keyup.
145
// Webkit and IE9+? duplicate charCode in keyCode.
146
// Opera never sets charCode, always keyCode (though with the charCode).
147
// IE6-8 don't set charCode or which.
148
// All browsers other than IE6-8 set which=keyCode in keydown, keyup, and
149
// which=charCode in keypress.
151
// Moral of the story: (e.which || e.keyCode) will always return the
152
// known code for that key event phase. e.keyCode is often different in
153
// keypress from keydown and keyup.
154
c = e.keyCode || e.charCode;
156
if (ua.webkit && (c in webkitKeymap)) {
162
// Fill in e.which for IE - implementers should always use this over
163
// e.keyCode or e.charCode.
164
this.which = e.which || e.charCode || c;
165
// this.button = e.button;
166
this.button = this.which;
168
this.target = resolve(e.target);
169
this.currentTarget = resolve(currentTarget);
170
this.relatedTarget = resolve(e.relatedTarget);
172
if (e.type == "mousewheel" || e.type == "DOMMouseScroll") {
173
this.wheelDelta = (e.detail) ? (e.detail * -1) : Math.round(e.wheelDelta / 80) || ((e.wheelDelta < 0) ? -1 : 1);
177
this._touch(e, currentTarget, this._wrapper);
181
stopPropagation: function() {
182
this._event.stopPropagation();
183
this._wrapper.stopped = 1;
187
stopImmediatePropagation: function() {
189
if (e.stopImmediatePropagation) {
190
e.stopImmediatePropagation();
192
this.stopPropagation();
194
this._wrapper.stopped = 2;
198
preventDefault: function(returnValue) {
202
e.returnValue = returnValue;
204
this._wrapper.prevented = 1;
208
halt: function(immediate) {
210
this.stopImmediatePropagation();
212
this.stopPropagation();
215
this.preventDefault();
220
DOMEventFacade.resolve = resolve;
221
Y.DOM2EventFacade = DOMEventFacade;
222
Y.DOMEventFacade = DOMEventFacade;
232
The name of the event (e.g. "click")
239
`true` if the "alt" or "option" key is pressed.
246
`true` if the shift key is pressed.
253
`true` if the "Windows" key on a Windows keyboard, "command" key on an
254
Apple keyboard, or "meta" key on other keyboards is pressed.
261
`true` if the "Ctrl" or "control" key is pressed.
268
* The X location of the event on the page (including scroll)
274
* The Y location of the event on the page (including scroll)
280
* The X location of the event in the viewport
286
* The Y location of the event in the viewport
292
* The keyCode for key events. Uses charCode if keyCode is not available
298
* The charCode for key events. Same as keyCode
304
* The button that was pushed. 1 for left click, 2 for middle click, 3 for
305
* right click. This is only reliably populated on `mouseup` events.
311
* The button that was pushed. Same as button.
317
* Node reference for the targeted element
323
* Node reference for the element that the listener was attached to.
324
* @property currentTarget
329
* Node reference to the relatedTarget
330
* @property relatedTarget
335
* Number representing the direction and velocity of the movement of the mousewheel.
336
* Negative is down, the higher the number, the faster. Applies to the mousewheel event.
337
* @property wheelDelta
342
* Stops the propagation to the next bubble target
343
* @method stopPropagation
347
* Stops the propagation to the next bubble target and
348
* prevents any additional listeners from being exectued
349
* on the current target.
350
* @method stopImmediatePropagation
354
* Prevents the event's default behavior
355
* @method preventDefault
356
* @param returnValue {string} sets the returnValue of the event to this value
357
* (rather than the default false value). This can be used to add a customized
358
* confirmation query to the beforeunload event).
362
* Stops the event propagation and prevents the default
365
* @param immediate {boolean} if true additional listeners
366
* on the current target will not be executed
371
* The event utility provides functions to add and remove event listeners,
372
* event cleansing. It also tries to automatically remove listeners it
373
* registers during the unload event.
376
* @submodule event-base
380
* The event utility provides functions to add and remove event listeners,
381
* event cleansing. It also tries to automatically remove listeners it
382
* registers during the unload event.
388
Y.Env.evt.dom_wrappers = {};
389
Y.Env.evt.dom_map = {};
391
var _eventenv = Y.Env.evt,
395
remove = YUI.Env.remove,
397
onLoad = function() {
398
YUI.Env.windowLoaded = true;
400
remove(win, "load", onLoad);
403
onUnload = function() {
407
EVENT_READY = 'domready',
409
COMPAT_ARG = '~yui|2|compat~',
411
shouldIterate = function(o) {
413
// TODO: See if there's a more performant way to return true early on this, for the common case
414
return (o && typeof o !== "string" && Y.Lang.isNumber(o.length) && !o.tagName && !Y.DOM.isWindow(o));
416
Y.log("collection check failure", "warn", "event");
421
// aliases to support DOM event subscription clean up when the last
422
// subscriber is detached. deleteAndClean overrides the DOM event's wrapper
423
// CustomEvent _delete method.
424
_ceProtoDelete = Y.CustomEvent.prototype._delete,
425
_deleteAndClean = function(s) {
426
var ret = _ceProtoDelete.apply(this, arguments);
428
if (!this.hasSubs()) {
429
Y.Event._clean(this);
438
* True after the onload event has fired
439
* @property _loadComplete
444
var _loadComplete = false,
447
* The number of times to poll after window.onload. This number is
448
* increased if additional late-bound handlers are requested after
450
* @property _retryCount
457
* onAvailable listeners
465
* Custom event wrappers for DOM events. Key is
466
* 'event:' + Element uid stamp + event type
467
* @property _wrappers
472
_wrappers = _eventenv.dom_wrappers,
474
_windowLoadKey = null,
477
* Custom event wrapper map DOM events. Key is
478
* Element uid stamp. Each item is a hash of custom event
479
* wrappers as provided in the _wrappers collection. This
480
* provides the infrastructure for getListeners.
481
* @property _el_events
485
_el_events = _eventenv.dom_map;
490
* The number of times we should look for elements that are not
491
* in the DOM at the time the event is requested after the document
492
* has been loaded. The default is 1000@amp;40 ms, so it will poll
493
* for 40 seconds or until all outstanding handlers are bound
494
* (whichever comes first).
495
* @property POLL_RETRYS
503
* The poll interval in milliseconds
504
* @property POLL_INTERVAL
512
* addListener/removeListener can throw errors in unexpected scenarios.
513
* These errors are suppressed, the method returns false, and this property
515
* @property lastError
524
* @property _interval
531
* document readystate poll handle
539
* True when the document is initially usable
547
* @method startInterval
551
startInterval: function() {
552
if (!Event._interval) {
553
Event._interval = setInterval(Event._poll, Event.POLL_INTERVAL);
558
* Executes the supplied callback when the item with the supplied
559
* id is found. This is meant to be used to execute behavior as
560
* soon as possible as the page loads. If you use this after the
561
* initial page load it will poll for a fixed time for the element.
562
* The number of times it will poll and the frequency are
563
* configurable. By default it will poll for 10 seconds.
565
* <p>The callback is executed with a single parameter:
566
* the custom object parameter, if provided.</p>
568
* @method onAvailable
570
* @param {string||string[]} id the id of the element, or an array
571
* of ids to look for.
572
* @param {function} fn what to execute when the element is found.
573
* @param {object} p_obj an optional object to be passed back as
575
* @param {boolean|object} p_override If set to true, fn will execute
576
* in the context of p_obj, if set to an object it
577
* will execute in the context of that object
578
* @param checkContent {boolean} check child node readiness (onContentReady)
580
* @deprecated Use Y.on("available")
582
// @TODO fix arguments
583
onAvailable: function(id, fn, p_obj, p_override, checkContent, compat) {
585
var a = Y.Array(id), i, availHandle;
587
for (i=0; i<a.length; i=i+1) {
592
override: p_override,
593
checkReady: checkContent,
597
_retryCount = this.POLL_RETRYS;
599
// We want the first test to be immediate, but async
600
setTimeout(Event._poll, 0);
602
availHandle = new Y.EventHandle({
604
_delete: function() {
605
// set by the event system for lazy DOM listeners
606
if (availHandle.handle) {
607
availHandle.handle.detach();
613
// otherwise try to remove the onAvailable listener(s)
614
for (i = 0; i < a.length; i++) {
615
for (j = 0; j < _avail.length; j++) {
616
if (a[i] === _avail[j].id) {
629
* Works the same way as onAvailable, but additionally checks the
630
* state of sibling elements to determine if the content of the
631
* available element is safe to modify.
633
* <p>The callback is executed with a single parameter:
634
* the custom object parameter, if provided.</p>
636
* @method onContentReady
638
* @param {string} id the id of the element to look for.
639
* @param {function} fn what to execute when the element is ready.
640
* @param {object} obj an optional object to be passed back as
642
* @param {boolean|object} override If set to true, fn will execute
643
* in the context of p_obj. If an object, fn will
644
* exectute in the context of that object
647
* @deprecated Use Y.on("contentready")
649
// @TODO fix arguments
650
onContentReady: function(id, fn, obj, override, compat) {
651
return Event.onAvailable(id, fn, obj, override, true, compat);
655
* Adds an event listener
659
* @param {String} type The type of event to append
660
* @param {Function} fn The method the event invokes
661
* @param {String|HTMLElement|Array|NodeList} el An id, an element
662
* reference, or a collection of ids and/or elements to assign the
664
* @param {Object} context optional context object
665
* @param {Boolean|object} args 0..n arguments to pass to the callback
666
* @return {EventHandle} an object to that can be used to detach the listener
671
attach: function(type, fn, el, context) {
672
return Event._attach(Y.Array(arguments, 0, true));
675
_createWrapper: function (el, type, capture, compat, facade) {
679
key = 'event:' + ek + type;
681
if (false === facade) {
689
cewrapper = _wrappers[key];
694
cewrapper = Y.publish(key, {
698
contextFn: function() {
702
cewrapper.nodeRef = cewrapper.nodeRef || Y.one(cewrapper.el);
703
return cewrapper.nodeRef;
708
cewrapper.overrides = {};
710
// for later removeListener calls
713
cewrapper.domkey = ek;
714
cewrapper.type = type;
715
cewrapper.fn = function(e) {
716
cewrapper.fire(Event.getEvent(e, el, (compat || (false === facade))));
718
cewrapper.capture = capture;
720
if (el == win && type == "load") {
721
// window load happens once
722
cewrapper.fireOnce = true;
723
_windowLoadKey = key;
725
cewrapper._delete = _deleteAndClean;
727
_wrappers[key] = cewrapper;
728
_el_events[ek] = _el_events[ek] || {};
729
_el_events[ek][key] = cewrapper;
731
add(el, type, cewrapper.fn, capture);
738
_attach: function(args, conf) {
741
handles, oEl, cewrapper, context,
742
fireNow = false, ret,
746
facade = conf && conf.facade,
747
capture = conf && conf.capture,
748
overrides = conf && conf.overrides;
750
if (args[args.length-1] === COMPAT_ARG) {
754
if (!fn || !fn.call) {
755
Y.log(type + " attach call failed, invalid callback", "error", "event");
759
// The el argument can be an array of elements or element ids.
760
if (shouldIterate(el)) {
764
Y.each(el, function(v, k) {
766
handles.push(Event._attach(args.slice(), conf));
769
// return (handles.length === 1) ? handles[0] : handles;
770
return new Y.EventHandle(handles);
772
// If the el argument is a string, we assume it is
773
// actually the id of the element. If the page is loaded
774
// we convert el to the actual element, otherwise we
775
// defer attaching the event until the element is
777
} else if (Y.Lang.isString(el)) {
779
// oEl = (compat) ? Y.DOM.byId(el) : Y.Selector.query(el);
782
oEl = Y.DOM.byId(el);
785
oEl = Y.Selector.query(el);
787
switch (oEl.length) {
796
return Event._attach(args, conf);
804
// Not found = defer adding the event until the element is available
807
ret = Event.onAvailable(el, function() {
809
ret.handle = Event._attach(args, conf);
811
}, Event, true, false, compat);
818
// Element should be an html element or node
820
Y.log("unable to attach event " + type, "warn", "event");
824
if (Y.Node && Y.instanceOf(el, Y.Node)) {
825
el = Y.Node.getDOMNode(el);
828
cewrapper = Event._createWrapper(el, type, capture, compat, facade);
830
Y.mix(cewrapper.overrides, overrides);
833
if (el == win && type == "load") {
835
// if the load is complete, fire immediately.
836
// all subscribers, including the current one
838
if (YUI.Env.windowLoaded) {
849
// set context to the Node if not specified
850
// ret = cewrapper.on.apply(cewrapper, trimmedArgs);
851
ret = cewrapper._on(fn, context, (args.length > 4) ? args.slice(4) : null);
862
* Removes an event listener. Supports the signature the event was bound
863
* with, but the preferred way to remove listeners is using the handle
864
* that is returned when using Y.on
868
* @param {String} type the type of event to remove.
869
* @param {Function} fn the method the event invokes. If fn is
870
* undefined, then all event handlers for the type of event are
872
* @param {String|HTMLElement|Array|NodeList|EventHandle} el An
873
* event handle, an id, an element reference, or a collection
874
* of ids and/or elements to remove the listener from.
875
* @return {boolean} true if the unbind was successful, false otherwise.
878
detach: function(type, fn, el, obj) {
880
var args=Y.Array(arguments, 0, true), compat, l, ok, i,
883
if (args[args.length-1] === COMPAT_ARG) {
888
if (type && type.detach) {
889
return type.detach();
892
// The el argument can be a string
893
if (typeof el == "string") {
895
// el = (compat) ? Y.DOM.byId(el) : Y.all(el);
899
el = Y.Selector.query(el);
907
// return Event.detach.apply(Event, args);
916
return el.detach.apply(el, args);
917
// The el argument can be an array of elements or element ids.
918
} else if (shouldIterate(el)) {
920
for (i=0, l=el.length; i<l; ++i) {
922
ok = ( Y.Event.detach.apply(Y.Event, args) && ok );
928
if (!type || !fn || !fn.call) {
929
return Event.purgeElement(el, false, type);
932
id = 'event:' + Y.stamp(el) + type;
936
return ce.detach(fn);
944
* Finds the event in the window object, the caller's arguments, or
945
* in the arguments of another method in the callstack. This is
946
* executed automatically for events registered through the event
947
* manager, so the implementer should not normally need to execute
948
* this function at all.
950
* @param {Event} e the event parameter from the handler
951
* @param {HTMLElement} el the element the listener was attached to
952
* @return {Event} the event
955
getEvent: function(e, el, noFacade) {
956
var ev = e || win.event;
958
return (noFacade) ? ev :
959
new Y.DOMEventFacade(ev, el, _wrappers['event:' + Y.stamp(el) + e.type]);
963
* Generates an unique ID for the element if it does not already
966
* @param el the element to create the id for
967
* @return {string} the resulting id of the element
970
generateId: function(el) {
971
return Y.DOM.generateID(el);
975
* We want to be able to use getElementsByTagName as a collection
976
* to attach a group of events to. Unfortunately, different
977
* browsers return different types of collections. This function
978
* tests to determine if the object is array-like. It will also
979
* fail if the object is an array, but is empty.
980
* @method _isValidCollection
981
* @param o the object to test
982
* @return {boolean} true if the object is array-like and populated
983
* @deprecated was not meant to be used directly
987
_isValidCollection: shouldIterate,
990
* hook up any deferred listeners
996
if (!_loadComplete) {
997
_loadComplete = true;
999
// Just in case DOMReady did not go off for some reason
1002
Y.fire(EVENT_READY);
1005
// Available elements may not have been detected before the
1006
// window load event fires. Try to find them now so that the
1007
// the user is more likely to get the onAvailable notifications
1008
// before the window load notification
1014
* Polling function that runs before the onload event fires,
1015
* attempting to attach to DOM Nodes as soon as they are
1026
if (Y.UA.ie && !YUI.Env.DOMReady) {
1027
// Hold off if DOMReady has not fired and check current
1028
// readyState to protect against the IE operation aborted
1030
Event.startInterval();
1034
Event.locked = true;
1036
// keep trying until after the page is loaded. We need to
1037
// check the page load state prior to trying to bind the
1038
// elements so that we can be certain all elements have been
1039
// tested appropriately
1040
var i, len, item, el, notAvail, executeItem,
1041
tryAgain = !_loadComplete;
1044
tryAgain = (_retryCount > 0);
1050
executeItem = function (el, item) {
1051
var context, ov = item.override;
1054
if (item.override) {
1063
item.fn.call(context, item.obj);
1065
context = item.obj || Y.one(el);
1066
item.fn.apply(context, (Y.Lang.isArray(ov)) ? ov : []);
1069
Y.log("Error in available or contentReady callback", 'error', 'event');
1074
for (i=0,len=_avail.length; i<len; ++i) {
1076
if (item && !item.checkReady) {
1078
// el = (item.compat) ? Y.DOM.byId(item.id) : Y.one(item.id);
1079
el = (item.compat) ? Y.DOM.byId(item.id) : Y.Selector.query(item.id, null, true);
1082
executeItem(el, item);
1085
notAvail.push(item);
1091
for (i=0,len=_avail.length; i<len; ++i) {
1093
if (item && item.checkReady) {
1095
// el = (item.compat) ? Y.DOM.byId(item.id) : Y.one(item.id);
1096
el = (item.compat) ? Y.DOM.byId(item.id) : Y.Selector.query(item.id, null, true);
1099
// The element is available, but not necessarily ready
1100
// @todo should we test parentNode.nextSibling?
1101
if (_loadComplete || (el.get && el.get('nextSibling')) || el.nextSibling) {
1102
executeItem(el, item);
1106
notAvail.push(item);
1111
_retryCount = (notAvail.length === 0) ? 0 : _retryCount - 1;
1114
// we may need to strip the nulled out items here
1115
Event.startInterval();
1117
clearInterval(Event._interval);
1118
Event._interval = null;
1121
Event.locked = false;
1128
* Removes all listeners attached to the given element via addListener.
1129
* Optionally, the node's children can also be purged.
1130
* Optionally, you can specify a specific type of event to remove.
1131
* @method purgeElement
1132
* @param {HTMLElement} el the element to purge
1133
* @param {boolean} recurse recursively purge this element's children
1134
* as well. Use with caution.
1135
* @param {string} type optional type of listener to purge. If
1136
* left out, all listeners will be removed
1139
purgeElement: function(el, recurse, type) {
1140
// var oEl = (Y.Lang.isString(el)) ? Y.one(el) : el,
1141
var oEl = (Y.Lang.isString(el)) ? Y.Selector.query(el, null, true) : el,
1142
lis = Event.getListeners(oEl, type), i, len, children, child;
1144
if (recurse && oEl) {
1146
children = Y.Selector.query('*', oEl);
1147
len = children.length;
1148
for (i = 0; i < len; ++i) {
1149
child = Event.getListeners(children[i], type);
1151
lis = lis.concat(child);
1157
for (i = 0, len = lis.length; i < len; ++i) {
1165
* Removes all object references and the DOM proxy subscription for
1166
* a given event for a DOM node.
1169
* @param wrapper {CustomEvent} Custom event proxy for the DOM
1175
_clean: function (wrapper) {
1176
var key = wrapper.key,
1177
domkey = wrapper.domkey;
1179
remove(wrapper.el, wrapper.type, wrapper.fn, wrapper.capture);
1180
delete _wrappers[key];
1181
delete Y._yuievt.events[key];
1182
if (_el_events[domkey]) {
1183
delete _el_events[domkey][key];
1184
if (!Y.Object.size(_el_events[domkey])) {
1185
delete _el_events[domkey];
1191
* Returns all listeners attached to the given element via addListener.
1192
* Optionally, you can specify a specific type of event to return.
1193
* @method getListeners
1194
* @param el {HTMLElement|string} the element or element id to inspect
1195
* @param type {string} optional type of listener to return. If
1196
* left out, all listeners will be returned
1197
* @return {CustomEvent} the custom event wrapper for the DOM event(s)
1200
getListeners: function(el, type) {
1201
var ek = Y.stamp(el, true), evts = _el_events[ek],
1202
results=[] , key = (type) ? 'event:' + ek + type : null,
1203
adapters = _eventenv.plugins;
1210
// look for synthetic events
1211
if (adapters[type] && adapters[type].eventDef) {
1216
results.push(evts[key]);
1219
// get native events as well
1222
results.push(evts[key]);
1226
Y.each(evts, function(v, k) {
1231
return (results.length) ? results : null;
1235
* Removes all listeners registered by pe.event. Called
1236
* automatically during the unload event.
1241
_unload: function(e) {
1242
Y.each(_wrappers, function(v, k) {
1243
if (v.type == 'unload') {
1248
remove(win, "unload", onUnload);
1252
* Adds a DOM event directly without the caching, cleanup, context adj, etc
1255
* @param {HTMLElement} el the element to bind the handler to
1256
* @param {string} type the type of event handler
1257
* @param {function} fn the callback to invoke
1258
* @param {Boolean} capture capture or bubble phase
1265
* Basic remove listener
1267
* @method nativeRemove
1268
* @param {HTMLElement} el the element to bind the handler to
1269
* @param {string} type the type of event handler
1270
* @param {function} fn the callback to invoke
1271
* @param {Boolean} capture capture or bubble phase
1275
nativeRemove: remove
1282
if (config.injected || YUI.Env.windowLoaded) {
1285
add(win, "load", onLoad);
1288
// Process onAvailable/onContentReady items when when the DOM is ready in IE
1290
Y.on(EVENT_READY, Event._poll);
1292
// In IE6 and below, detach event handlers when the page is unloaded in
1293
// order to try and prevent cross-page memory leaks. This isn't done in
1294
// other browsers because a) it's not necessary, and b) it breaks the
1295
// back/forward cache.
1298
add(win, "unload", onUnload);
1300
Y.log("Registering unload listener failed.", "warn", "event-base");
1305
Event.Custom = Y.CustomEvent;
1306
Event.Subscriber = Y.Subscriber;
1307
Event.Target = Y.EventTarget;
1308
Event.Handle = Y.EventHandle;
1309
Event.Facade = Y.EventFacade;
1316
* DOM event listener abstraction layer
1318
* @submodule event-base
1322
* Executes the callback as soon as the specified element
1323
* is detected in the DOM. This function expects a selector
1324
* string for the element(s) to detect. If you already have
1325
* an element reference, you don't need this event.
1327
* @param type {string} 'available'
1328
* @param fn {function} the callback function to execute.
1329
* @param el {string} an selector for the element(s) to attach
1330
* @param context optional argument that specifies what 'this' refers to.
1331
* @param args* 0..n additional arguments to pass on to the callback function.
1332
* These arguments will be added after the event object.
1333
* @return {EventHandle} the detach handle
1336
Y.Env.evt.plugins.available = {
1337
on: function(type, fn, id, o) {
1338
var a = arguments.length > 4 ? Y.Array(arguments, 4, true) : null;
1339
return Y.Event.onAvailable.call(Y.Event, id, fn, o, a);
1344
* Executes the callback as soon as the specified element
1345
* is detected in the DOM with a nextSibling property
1346
* (indicating that the element's children are available).
1347
* This function expects a selector
1348
* string for the element(s) to detect. If you already have
1349
* an element reference, you don't need this event.
1350
* @event contentready
1351
* @param type {string} 'contentready'
1352
* @param fn {function} the callback function to execute.
1353
* @param el {string} an selector for the element(s) to attach.
1354
* @param context optional argument that specifies what 'this' refers to.
1355
* @param args* 0..n additional arguments to pass on to the callback function.
1356
* These arguments will be added after the event object.
1357
* @return {EventHandle} the detach handle
1360
Y.Env.evt.plugins.contentready = {
1361
on: function(type, fn, id, o) {
1362
var a = arguments.length > 4 ? Y.Array(arguments, 4, true) : null;
1363
return Y.Event.onContentReady.call(Y.Event, id, fn, o, a);
1368
}, '@VERSION@', {"requires": ["event-custom-base"]});
added
removed
build/event-base/event-base-debug.js
