mz/crm.e5.pl
1
0
Fork 0
Code Issues 12 Pull Requests Actions Packages Projects Releases Wiki Activity
Files
4e4a556e5924d5ab0d9ddfe54e54a6f38ba210fe
crm.e5.pl/jssource/src_files/include/javascript/yui3/build/event/event.js
Michał Zieliński 11e713ca6f init
2024-04-27 09:23:34 +02:00

2221 lines
61 KiB
JavaScript
Raw Blame History

/*
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
Code licensed under the BSD License:
http://developer.yahoo.net/yui/license.txt
version: 3.0.0
build: 1549
*/
/*
* DOM event listener abstraction layer
* @module event
* @submodule event-base
*/
(function() {
// Unlike most of the library, this code has to be executed as soon as it is
// introduced into the page -- and it should only be executed one time
// regardless of the number of instances that use it.
var GLOBAL_ENV = YUI.Env,
C = YUI.config,
D = C.doc,
POLL_INTERVAL = C.pollInterval || 40,
_ready = function(e) {
GLOBAL_ENV._ready();
};
if (!GLOBAL_ENV._ready) {
GLOBAL_ENV._ready = function() {
if (!GLOBAL_ENV.DOMReady) {
GLOBAL_ENV.DOMReady=true;
// Remove the DOMContentLoaded (FF/Opera/Safari)
if (D.removeEventListener) {
D.removeEventListener("DOMContentLoaded", _ready, false);
}
}
};
// create custom event
/*! DOMReady: based on work by: Dean Edwards/John Resig/Matthias Miller/Diego Perini */
// Internet Explorer: use the readyState of a defered script.
// This isolates what appears to be a safe moment to manipulate
// the DOM prior to when the document's readyState suggests
// it is safe to do so.
if (navigator.userAgent.match(/MSIE/)) {
if (self !== self.top) {
document.onreadystatechange = function() {
if (document.readyState == 'complete') {
document.onreadystatechange = null;
_ready();
}
};
} else {
GLOBAL_ENV._dri = setInterval(function() {
try {
// throws an error if doc is not ready
document.documentElement.doScroll('left');
clearInterval(GLOBAL_ENV._dri);
GLOBAL_ENV._dri = null;
_ready();
} catch (ex) {
}
}, POLL_INTERVAL);
}
// FireFox, Opera, Safari 3+: These browsers provide a event for this
// moment.
} else {
D.addEventListener("DOMContentLoaded", _ready, false);
}
/////////////////////////////////////////////////////////////
}
})();
YUI.add('event-base', function(Y) {
(function() {
/*
* DOM event listener abstraction layer
* @module event
* @submodule event-base
*/
var GLOBAL_ENV = YUI.Env,
yready = function() {
Y.fire('domready');
};
Y.publish('domready', {
fireOnce: true
});
if (GLOBAL_ENV.DOMReady) {
// console.log('DOMReady already fired', 'info', 'event');
yready();
} else {
// console.log('setting up before listener', 'info', 'event');
// console.log('env: ' + YUI.Env.windowLoaded, 'info', 'event');
Y.before(yready, GLOBAL_ENV, "_ready");
}
})();
(function() {
/**
* Custom event engine, DOM event listener abstraction layer, synthetic DOM
* events.
* @module event
* @submodule event-base
*/
/**
* Wraps a DOM event, properties requiring browser abstraction are
* fixed here. Provids a security layer when required.
* @class DOMEventFacade
* @param ev {Event} the DOM event
* @param currentTarget {HTMLElement} the element the listener was attached to
* @param wrapper {Event.Custom} the custom event wrapper for this DOM event
*/
/*
* @TODO constants? LEFTBUTTON, MIDDLEBUTTON, RIGHTBUTTON, keys
*/
/*
var whitelist = {
altKey : 1,
// "button" : 1, // we supply
// "bubbles" : 1, // needed?
// "cancelable" : 1, // needed?
// "charCode" : 1, // we supply
cancelBubble : 1,
// "currentTarget" : 1, // we supply
ctrlKey : 1,
clientX : 1, // needed?
clientY : 1, // needed?
detail : 1, // not fully implemented
// "fromElement" : 1,
keyCode : 1,
// "height" : 1, // needed?
// "initEvent" : 1, // need the init events?
// "initMouseEvent" : 1,
// "initUIEvent" : 1,
// "layerX" : 1, // needed?
// "layerY" : 1, // needed?
metaKey : 1,
// "modifiers" : 1, // needed?
// "offsetX" : 1, // needed?
// "offsetY" : 1, // needed?
// "preventDefault" : 1, // we supply
// "reason" : 1, // IE proprietary
// "relatedTarget" : 1,
// "returnValue" : 1, // needed?
shiftKey : 1,
// "srcUrn" : 1, // IE proprietary
// "srcElement" : 1,
// "srcFilter" : 1, IE proprietary
// "stopPropagation" : 1, // we supply
// "target" : 1,
// "timeStamp" : 1, // needed?
// "toElement" : 1,
type : 1,
// "view" : 1,
// "which" : 1, // we supply
// "width" : 1, // needed?
x : 1,
y : 1
},
*/
var ua = Y.UA,
/**
* webkit key remapping required for Safari < 3.1
* @property webkitKeymap
* @private
*/
webkitKeymap = {
63232: 38, // up
63233: 40, // down
63234: 37, // left
63235: 39, // right
63276: 33, // page up
63277: 34, // page down
25: 9, // SHIFT-TAB (Safari provides a different key code in
// this case, even though the shiftKey modifier is set)
63272: 46, // delete
63273: 36, // home
63275: 35 // end
},
/**
* Returns a wrapped node. Intended to be used on event targets,
* so it will return the node's parent if the target is a text
* node.
*
* If accessing a property of the node throws an error, this is
* probably the anonymous div wrapper Gecko adds inside text
* nodes. This likely will only occur when attempting to access
* the relatedTarget. In this case, we now return null because
* the anonymous div is completely useless and we do not know
* what the related target was because we can't even get to
* the element's parent node.
*
* @method resolve
* @private
*/
resolve = function(n) {
try {
if (n && 3 == n.nodeType) {
n = n.parentNode;
}
} catch(e) {
return null;
}
return Y.one(n);
};
// provide a single event with browser abstractions resolved
//
// include all properties for both browers?
// include only DOM2 spec properties?
// provide browser-specific facade?
Y.DOMEventFacade = function(ev, currentTarget, wrapper) {
wrapper = wrapper || {};
var e = ev, ot = currentTarget, d = Y.config.doc, b = d.body,
x = e.pageX, y = e.pageY, c, t;
this.altKey = e.altKey;
this.ctrlKey = e.ctrlKey;
this.metaKey = e.metaKey;
this.shiftKey = e.shiftKey;
this.type = e.type;
this.clientX = e.clientX;
this.clientY = e.clientY;
//////////////////////////////////////////////////////
if (!x && 0 !== x) {
x = e.clientX || 0;
y = e.clientY || 0;
if (ua.ie) {
x += Math.max(d.documentElement.scrollLeft, b.scrollLeft);
y += Math.max(d.documentElement.scrollTop, b.scrollTop);
}
}
this._yuifacade = true;
/**
* The native event
* @property _event
*/
this._event = e;
/**
* The X location of the event on the page (including scroll)
* @property pageX
* @type int
*/
this.pageX = x;
/**
* The Y location of the event on the page (including scroll)
* @property pageY
* @type int
*/
this.pageY = y;
//////////////////////////////////////////////////////
c = e.keyCode || e.charCode || 0;
if (ua.webkit && (c in webkitKeymap)) {
c = webkitKeymap[c];
}
/**
* The keyCode for key events. Uses charCode if keyCode is not available
* @property keyCode
* @type int
*/
this.keyCode = c;
/**
* The charCode for key events. Same as keyCode
* @property charCode
* @type int
*/
this.charCode = c;
//////////////////////////////////////////////////////
/**
* The button that was pushed.
* @property button
* @type int
*/
this.button = e.which || e.button;
/**
* The button that was pushed. Same as button.
* @property which
* @type int
*/
this.which = this.button;
//////////////////////////////////////////////////////
/**
* Node reference for the targeted element
* @propery target
* @type Node
*/
this.target = resolve(e.target || e.srcElement);
/**
* Node reference for the element that the listener was attached to.
* @propery currentTarget
* @type Node
*/
this.currentTarget = resolve(ot);
t = e.relatedTarget;
if (!t) {
if (e.type == "mouseout") {
t = e.toElement;
} else if (e.type == "mouseover") {
t = e.fromElement;
}
}
/**
* Node reference to the relatedTarget
* @propery relatedTarget
* @type Node
*/
this.relatedTarget = resolve(t);
/**
* Number representing the direction and velocity of the movement of the mousewheel.
* Negative is down, the higher the number, the faster. Applies to the mousewheel event.
* @property wheelDelta
* @type int
*/
if (e.type == "mousewheel" || e.type == "DOMMouseScroll") {
this.wheelDelta = (e.detail) ? (e.detail * -1) : Math.round(e.wheelDelta / 80) || ((e.wheelDelta < 0) ? -1 : 1);
}
//////////////////////////////////////////////////////
// methods
/**
* Stops the propagation to the next bubble target
* @method stopPropagation
*/
this.stopPropagation = function() {
if (e.stopPropagation) {
e.stopPropagation();
} else {
e.cancelBubble = true;
}
wrapper.stopped = 1;
};
/**
* Stops the propagation to the next bubble target and
* prevents any additional listeners from being exectued
* on the current target.
* @method stopImmediatePropagation
*/
this.stopImmediatePropagation = function() {
if (e.stopImmediatePropagation) {
e.stopImmediatePropagation();
} else {
this.stopPropagation();
}
wrapper.stopped = 2;
};
/**
* Prevents the event's default behavior
* @method preventDefault
* @param returnValue {string} sets the returnValue of the event to this value
* (rather than the default false value). This can be used to add a customized
* confirmation query to the beforeunload event).
*/
this.preventDefault = function(returnValue) {
if (e.preventDefault) {
e.preventDefault();
}
e.returnValue = returnValue || false;
wrapper.prevented = 1;
};
/**
* Stops the event propagation and prevents the default
* event behavior.
* @method halt
* @param immediate {boolean} if true additional listeners
* on the current target will not be executed
*/
this.halt = function(immediate) {
if (immediate) {
this.stopImmediatePropagation();
} else {
this.stopPropagation();
}
this.preventDefault();
};
};
})();
(function() {
/**
* DOM event listener abstraction layer
* @module event
* @submodule event-base
*/
/**
* The event utility provides functions to add and remove event listeners,
* event cleansing. It also tries to automatically remove listeners it
* registers during the unload event.
*
* @class Event
* @static
*/
Y.Env.evt.dom_wrappers = {};
Y.Env.evt.dom_map = {};
var _eventenv = Y.Env.evt,
add = YUI.Env.add,
remove = YUI.Env.remove,
onLoad = function() {
YUI.Env.windowLoaded = true;
Y.Event._load();
remove(window, "load", onLoad);
},
onUnload = function() {
Y.Event._unload();
remove(window, "unload", onUnload);
},
EVENT_READY = 'domready',
COMPAT_ARG = '~yui|2|compat~',
shouldIterate = function(o) {
try {
return (o && typeof o !== "string" && Y.Lang.isNumber(o.length) && !o.tagName && !o.alert);
} catch(ex) {
return false;
}
},
Event = function() {
/**
* True after the onload event has fired
* @property _loadComplete
* @type boolean
* @static
* @private
*/
var _loadComplete = false,
/**
* The number of times to poll after window.onload. This number is
* increased if additional late-bound handlers are requested after
* the page load.
* @property _retryCount
* @static
* @private
*/
_retryCount = 0,
/**
* onAvailable listeners
* @property _avail
* @static
* @private
*/
_avail = [],
/**
* Custom event wrappers for DOM events. Key is
* 'event:' + Element uid stamp + event type
* @property _wrappers
* @type Y.Event.Custom
* @static
* @private
*/
_wrappers = _eventenv.dom_wrappers,
_windowLoadKey = null,
/**
* Custom event wrapper map DOM events. Key is
* Element uid stamp. Each item is a hash of custom event
* wrappers as provided in the _wrappers collection. This
* provides the infrastructure for getListeners.
* @property _el_events
* @static
* @private
*/
_el_events = _eventenv.dom_map;
return {
/**
* The number of times we should look for elements that are not
* in the DOM at the time the event is requested after the document
* has been loaded. The default is 1000@amp;40 ms, so it will poll
* for 40 seconds or until all outstanding handlers are bound
* (whichever comes first).
* @property POLL_RETRYS
* @type int
* @static
* @final
*/
POLL_RETRYS: 1000,
/**
* The poll interval in milliseconds
* @property POLL_INTERVAL
* @type int
* @static
* @final
*/
POLL_INTERVAL: 40,
/**
* addListener/removeListener can throw errors in unexpected scenarios.
* These errors are suppressed, the method returns false, and this property
* is set
* @property lastError
* @static
* @type Error
*/
lastError: null,
/**
* poll handle
* @property _interval
* @static
* @private
*/
_interval: null,
/**
* document readystate poll handle
* @property _dri
* @static
* @private
*/
_dri: null,
/**
* True when the document is initially usable
* @property DOMReady
* @type boolean
* @static
*/
DOMReady: false,
/**
* @method startInterval
* @static
* @private
*/
startInterval: function() {
var E = Y.Event;
if (!E._interval) {
E._interval = setInterval(Y.bind(E._poll, E), E.POLL_INTERVAL);
}
},
/**
* Executes the supplied callback when the item with the supplied
* id is found. This is meant to be used to execute behavior as
* soon as possible as the page loads. If you use this after the
* initial page load it will poll for a fixed time for the element.
* The number of times it will poll and the frequency are
* configurable. By default it will poll for 10 seconds.
*
* <p>The callback is executed with a single parameter:
* the custom object parameter, if provided.</p>
*
* @method onAvailable
*
* @param {string||string[]} id the id of the element, or an array
* of ids to look for.
* @param {function} fn what to execute when the element is found.
* @param {object} p_obj an optional object to be passed back as
* a parameter to fn.
* @param {boolean|object} p_override If set to true, fn will execute
* in the context of p_obj, if set to an object it
* will execute in the context of that object
* @param checkContent {boolean} check child node readiness (onContentReady)
* @static
* @deprecated Use Y.on("available")
*/
// @TODO fix arguments
onAvailable: function(id, fn, p_obj, p_override, checkContent, compat) {
var a = Y.Array(id), i, availHandle;
for (i=0; i<a.length; i=i+1) {
_avail.push({
id: a[i],
fn: fn,
obj: p_obj,
override: p_override,
checkReady: checkContent,
compat: compat
});
}
_retryCount = this.POLL_RETRYS;
// We want the first test to be immediate, but async
setTimeout(Y.bind(Y.Event._poll, Y.Event), 0);
availHandle = new Y.EventHandle({
_delete: function() {
// set by the event system for lazy DOM listeners
if (availHandle.handle) {
availHandle.handle.detach();
return;
}
var i, j;
// otherwise try to remove the onAvailable listener(s)
for (i = 0; i < a.length; i++) {
for (j = 0; j < _avail.length; j++) {
if (a[i] === _avail[j].id) {
_avail.splice(j, 1);
}
}
}
}
});
return availHandle;
},
/**
* Works the same way as onAvailable, but additionally checks the
* state of sibling elements to determine if the content of the
* available element is safe to modify.
*
* <p>The callback is executed with a single parameter:
* the custom object parameter, if provided.</p>
*
* @method onContentReady
*
* @param {string} id the id of the element to look for.
* @param {function} fn what to execute when the element is ready.
* @param {object} p_obj an optional object to be passed back as
* a parameter to fn.
* @param {boolean|object} p_override If set to true, fn will execute
* in the context of p_obj. If an object, fn will
* exectute in the context of that object
*
* @static
* @deprecated Use Y.on("contentready")
*/
// @TODO fix arguments
onContentReady: function(id, fn, p_obj, p_override, compat) {
return this.onAvailable(id, fn, p_obj, p_override, true, compat);
},
/**
* Adds an event listener
*
* @method attach
*
* @param {String} type The type of event to append
* @param {Function} fn The method the event invokes
* @param {String|HTMLElement|Array|NodeList} el An id, an element
* reference, or a collection of ids and/or elements to assign the
* listener to.
* @param {Object} context optional context object
* @param {Boolean|object} args 0..n arguments to pass to the callback
* @return {EventHandle} an object to that can be used to detach the listener
*
* @static
*/
attach: function(type, fn, el, context) {
return Y.Event._attach(Y.Array(arguments, 0, true));
},
_createWrapper: function (el, type, capture, compat, facade) {
var ek = Y.stamp(el),
key = 'event:' + ek + type,
cewrapper;
if (false === facade) {
key += 'native';
}
if (capture) {
key += 'capture';
}
cewrapper = _wrappers[key];
if (!cewrapper) {
// create CE wrapper
cewrapper = Y.publish(key, {
silent: true,
bubbles: false,
contextFn: function() {
cewrapper.nodeRef = cewrapper.nodeRef || Y.one(cewrapper.el);
return cewrapper.nodeRef;
}
});
// for later removeListener calls
cewrapper.el = el;
cewrapper.key = key;
cewrapper.domkey = ek;
cewrapper.type = type;
cewrapper.fn = function(e) {
cewrapper.fire(Y.Event.getEvent(e, el, (compat || (false === facade))));
};
cewrapper.capture = capture;
if (el == Y.config.win && type == "load") {
// window load happens once
cewrapper.fireOnce = true;
_windowLoadKey = key;
}
_wrappers[key] = cewrapper;
_el_events[ek] = _el_events[ek] || {};
_el_events[ek][key] = cewrapper;
add(el, type, cewrapper.fn, capture);
}
return cewrapper;
},
_attach: function(args, config) {
var compat, E=Y.Event,
handles, oEl, cewrapper, context,
fireNow = false, ret,
type = args[0],
fn = args[1],
el = args[2] || Y.config.win,
facade = config && config.facade,
capture = config && config.capture;
if (args[args.length-1] === COMPAT_ARG) {
compat = true;
// trimmedArgs.pop();
}
if (!fn || !fn.call) {
// throw new TypeError(type + " attach call failed, callback undefined");
return false;
}
// The el argument can be an array of elements or element ids.
if (shouldIterate(el)) {
handles=[];
Y.each(el, function(v, k) {
args[2] = v;
handles.push(E._attach(args, config));
});
// return (handles.length === 1) ? handles[0] : handles;
return new Y.EventHandle(handles);
// If the el argument is a string, we assume it is
// actually the id of the element. If the page is loaded
// we convert el to the actual element, otherwise we
// defer attaching the event until the element is
// ready
} else if (Y.Lang.isString(el)) {
// oEl = (compat) ? Y.DOM.byId(el) : Y.Selector.query(el);
if (compat) {
oEl = Y.DOM.byId(el);
} else {
oEl = Y.Selector.query(el);
switch (oEl.length) {
case 0:
oEl = null;
break;
case 1:
oEl = oEl[0];
break;
default:
args[2] = oEl;
return E._attach(args, config);
}
}
if (oEl) {
el = oEl;
// Not found = defer adding the event until the element is available
} else {
ret = this.onAvailable(el, function() {
ret.handle = E._attach(args, config);
}, E, true, false, compat);
return ret;
}
}
// Element should be an html element or node
if (!el) {
return false;
}
if (Y.Node && el instanceof Y.Node) {
el = Y.Node.getDOMNode(el);
}
cewrapper = this._createWrapper(el, type, capture, compat, facade);
if (el == Y.config.win && type == "load") {
// if the load is complete, fire immediately.
// all subscribers, including the current one
// will be notified.
if (YUI.Env.windowLoaded) {
fireNow = true;
}
}
if (compat) {
args.pop();
}
context = args[3];
// set context to the Node if not specified
// ret = cewrapper.on.apply(cewrapper, trimmedArgs);
ret = cewrapper._on(fn, context, (args.length > 4) ? args.slice(4) : null);
if (fireNow) {
cewrapper.fire();
}
return ret;
},
/**
* Removes an event listener. Supports the signature the event was bound
* with, but the preferred way to remove listeners is using the handle
* that is returned when using Y.on
*
* @method detach
*
* @param {String} type the type of event to remove.
* @param {Function} fn the method the event invokes. If fn is
* undefined, then all event handlers for the type of event are
* removed.
* @param {String|HTMLElement|Array|NodeList|EventHandle} el An
* event handle, an id, an element reference, or a collection
* of ids and/or elements to remove the listener from.
* @return {boolean} true if the unbind was successful, false otherwise.
* @static
*/
detach: function(type, fn, el, obj) {
var args=Y.Array(arguments, 0, true), compat, i, l, ok,
id, ce;
if (args[args.length-1] === COMPAT_ARG) {
compat = true;
// args.pop();
}
if (type && type.detach) {
return type.detach();
}
// The el argument can be a string
if (typeof el == "string") {
// el = (compat) ? Y.DOM.byId(el) : Y.all(el);
if (compat) {
el = Y.DOM.byId(el);
} else {
el = Y.Selector.query(el);
l = el.length;
if (l < 1) {
el = null;
} else if (l == 1) {
el = el[0];
}
}
// return Y.Event.detach.apply(Y.Event, args);
// The el argument can be an array of elements or element ids.
}
if (!el) {
return false;
}
if (shouldIterate(el)) {
ok = true;
for (i=0, l=el.length; i<l; ++i) {
args[2] = el[i];
ok = ( Y.Event.detach.apply(Y.Event, args) && ok );
}
return ok;
}
if (!type || !fn || !fn.call) {
return this.purgeElement(el, false, type);
}
id = 'event:' + Y.stamp(el) + type;
ce = _wrappers[id];
if (ce) {
return ce.detach(fn);
} else {
return false;
}
},
/**
* Finds the event in the window object, the caller's arguments, or
* in the arguments of another method in the callstack. This is
* executed automatically for events registered through the event
* manager, so the implementer should not normally need to execute
* this function at all.
* @method getEvent
* @param {Event} e the event parameter from the handler
* @param {HTMLElement} el the element the listener was attached to
* @return {Event} the event
* @static
*/
getEvent: function(e, el, noFacade) {
var ev = e || window.event;
return (noFacade) ? ev :
new Y.DOMEventFacade(ev, el, _wrappers['event:' + Y.stamp(el) + e.type]);
},
/**
* Generates an unique ID for the element if it does not already
* have one.
* @method generateId
* @param el the element to create the id for
* @return {string} the resulting id of the element
* @static
*/
generateId: function(el) {
var id = el.id;
if (!id) {
id = Y.stamp(el);
el.id = id;
}
return id;
},
/**
* We want to be able to use getElementsByTagName as a collection
* to attach a group of events to. Unfortunately, different
* browsers return different types of collections. This function
* tests to determine if the object is array-like. It will also
* fail if the object is an array, but is empty.
* @method _isValidCollection
* @param o the object to test
* @return {boolean} true if the object is array-like and populated
* @deprecated was not meant to be used directly
* @static
* @private
*/
_isValidCollection: shouldIterate,
/**
* hook up any deferred listeners
* @method _load
* @static
* @private
*/
_load: function(e) {
if (!_loadComplete) {
_loadComplete = true;
// Just in case DOMReady did not go off for some reason
// E._ready();
if (Y.fire) {
Y.fire(EVENT_READY);
}
// Available elements may not have been detected before the
// window load event fires. Try to find them now so that the
// the user is more likely to get the onAvailable notifications
// before the window load notification
Y.Event._poll();
}
},
/**
* Polling function that runs before the onload event fires,
* attempting to attach to DOM Nodes as soon as they are
* available
* @method _poll
* @static
* @private
*/
_poll: function() {
if (this.locked) {
return;
}
if (Y.UA.ie && !YUI.Env.DOMReady) {
// Hold off if DOMReady has not fired and check current
// readyState to protect against the IE operation aborted
// issue.
this.startInterval();
return;
}
this.locked = true;
// keep trying until after the page is loaded. We need to
// check the page load state prior to trying to bind the
// elements so that we can be certain all elements have been
// tested appropriately
var tryAgain = !_loadComplete, notAvail, executeItem,
i, len, item, el;
if (!tryAgain) {
tryAgain = (_retryCount > 0);
}
// onAvailable
notAvail = [];
executeItem = function (el, item) {
var context, ov = item.override;
if (item.compat) {
if (item.override) {
if (ov === true) {
context = item.obj;
} else {
context = ov;
}
} else {
context = el;
}
item.fn.call(context, item.obj);
} else {
context = item.obj || Y.one(el);
item.fn.apply(context, (Y.Lang.isArray(ov)) ? ov : []);
}
};
// onAvailable
for (i=0,len=_avail.length; i<len; ++i) {
item = _avail[i];
if (item && !item.checkReady) {
// el = (item.compat) ? Y.DOM.byId(item.id) : Y.one(item.id);
el = (item.compat) ? Y.DOM.byId(item.id) : Y.Selector.query(item.id, null, true);
if (el) {
executeItem(el, item);
_avail[i] = null;
} else {
notAvail.push(item);
}
}
}
// onContentReady
for (i=0,len=_avail.length; i<len; ++i) {
item = _avail[i];
if (item && item.checkReady) {
// el = (item.compat) ? Y.DOM.byId(item.id) : Y.one(item.id);
el = (item.compat) ? Y.DOM.byId(item.id) : Y.Selector.query(item.id, null, true);
if (el) {
// The element is available, but not necessarily ready
// @todo should we test parentNode.nextSibling?
if (_loadComplete || (el.get && el.get('nextSibling')) || el.nextSibling) {
executeItem(el, item);
_avail[i] = null;
}
} else {
notAvail.push(item);
}
}
}
_retryCount = (notAvail.length === 0) ? 0 : _retryCount - 1;
if (tryAgain) {
// we may need to strip the nulled out items here
this.startInterval();
} else {
clearInterval(this._interval);
this._interval = null;
}
this.locked = false;
return;
},
/**
* Removes all listeners attached to the given element via addListener.
* Optionally, the node's children can also be purged.
* Optionally, you can specify a specific type of event to remove.
* @method purgeElement
* @param {HTMLElement} el the element to purge
* @param {boolean} recurse recursively purge this element's children
* as well. Use with caution.
* @param {string} type optional type of listener to purge. If
* left out, all listeners will be removed
* @static
*/
purgeElement: function(el, recurse, type) {
// var oEl = (Y.Lang.isString(el)) ? Y.one(el) : el,
var oEl = (Y.Lang.isString(el)) ? Y.Selector.query(el, null, true) : el,
lis = this.getListeners(oEl, type), i, len, props;
if (lis) {
for (i=0,len=lis.length; i<len ; ++i) {
props = lis[i];
props.detachAll();
remove(props.el, props.type, props.fn, props.capture);
delete _wrappers[props.key];
delete _el_events[props.domkey][props.key];
}
}
if (recurse && oEl && oEl.childNodes) {
for (i=0,len=oEl.childNodes.length; i<len ; ++i) {
this.purgeElement(oEl.childNodes[i], recurse, type);
}
}
},
/**
* Returns all listeners attached to the given element via addListener.
* Optionally, you can specify a specific type of event to return.
* @method getListeners
* @param el {HTMLElement|string} the element or element id to inspect
* @param type {string} optional type of listener to return. If
* left out, all listeners will be returned
* @return {Y.Custom.Event} the custom event wrapper for the DOM event(s)
* @static
*/
getListeners: function(el, type) {
var ek = Y.stamp(el, true), evts = _el_events[ek],
results=[] , key = (type) ? 'event:' + ek + type : null;
if (!evts) {
return null;
}
if (key) {
if (evts[key]) {
results.push(evts[key]);
}
// get native events as well
key += 'native';
if (evts[key]) {
results.push(evts[key]);
}
} else {
Y.each(evts, function(v, k) {
results.push(v);
});
}
return (results.length) ? results : null;
},
/**
* Removes all listeners registered by pe.event. Called
* automatically during the unload event.
* @method _unload
* @static
* @private
*/
_unload: function(e) {
Y.each(_wrappers, function(v, k) {
v.detachAll();
remove(v.el, v.type, v.fn, v.capture);
delete _wrappers[k];
delete _el_events[v.domkey][k];
});
},
/**
* Adds a DOM event directly without the caching, cleanup, context adj, etc
*
* @method nativeAdd
* @param {HTMLElement} el the element to bind the handler to
* @param {string} type the type of event handler
* @param {function} fn the callback to invoke
* @param {boolen} capture capture or bubble phase
* @static
* @private
*/
nativeAdd: add,
/**
* Basic remove listener
*
* @method nativeRemove
* @param {HTMLElement} el the element to bind the handler to
* @param {string} type the type of event handler
* @param {function} fn the callback to invoke
* @param {boolen} capture capture or bubble phase
* @static
* @private
*/
nativeRemove: remove
};
}();
Y.Event = Event;
if (Y.config.injected || YUI.Env.windowLoaded) {
onLoad();
} else {
add(window, "load", onLoad);
}
// Process onAvailable/onContentReady items when when the DOM is ready in IE
if (Y.UA.ie) {
Y.on(EVENT_READY, Event._poll, Event, true);
}
Y.on("unload", onUnload);
Event.Custom = Y.CustomEvent;
Event.Subscriber = Y.Subscriber;
Event.Target = Y.EventTarget;
Event.Handle = Y.EventHandle;
Event.Facade = Y.EventFacade;
Event._poll();
})();
/**
* DOM event listener abstraction layer
* @module event
* @submodule event-base
*/
/**
* Executes the callback as soon as the specified element
* is detected in the DOM.
* @event available
* @param type {string} 'available'
* @param fn {function} the callback function to execute.
* @param el {string|HTMLElement|collection} the element(s) to attach
* @param context optional argument that specifies what 'this' refers to.
* @param args* 0..n additional arguments to pass on to the callback function.
* These arguments will be added after the event object.
* @return {EventHandle} the detach handle
* @for YUI
*/
Y.Env.evt.plugins.available = {
on: function(type, fn, id, o) {
var a = arguments.length > 4 ? Y.Array(arguments, 4, true) : [];
return Y.Event.onAvailable.call(Y.Event, id, fn, o, a);
}
};
/**
* Executes the callback as soon as the specified element
* is detected in the DOM with a nextSibling property
* (indicating that the element's children are available)
* @event contentready
* @param type {string} 'contentready'
* @param fn {function} the callback function to execute.
* @param el {string|HTMLElement|collection} the element(s) to attach
* @param context optional argument that specifies what 'this' refers to.
* @param args* 0..n additional arguments to pass on to the callback function.
* These arguments will be added after the event object.
* @return {EventHandle} the detach handle
* @for YUI
*/
Y.Env.evt.plugins.contentready = {
on: function(type, fn, id, o) {
var a = arguments.length > 4 ? Y.Array(arguments, 4, true) : [];
return Y.Event.onContentReady.call(Y.Event, id, fn, o, a);
}
};
}, '3.0.0' ,{requires:['event-custom-base']});
YUI.add('event-delegate', function(Y) {
/**
* Adds event delegation support to the library.
*
* @module event
* @submodule event-delegate
*/
var Event = Y.Event,
Lang = Y.Lang,
delegates = {},
specialTypes = {
mouseenter: "mouseover",
mouseleave: "mouseout"
},
resolveTextNode = function(n) {
try {
if (n && 3 == n.nodeType) {
return n.parentNode;
}
} catch(e) { }
return n;
},
delegateHandler = function(delegateKey, e, el) {
var target = resolveTextNode((e.target || e.srcElement)),
tests = delegates[delegateKey],
spec,
ename,
matched,
fn,
ev;
var getMatch = function(el, selector, container) {
var returnVal;
if (!el || el === container) {
returnVal = false;
}
else {
returnVal = Y.Selector.test(el, selector) ? el: getMatch(el.parentNode, selector, container);
}
return returnVal;
};
for (spec in tests) {
if (tests.hasOwnProperty(spec)) {
ename = tests[spec];
fn = tests.fn;
matched = null;
if (Y.Selector.test(target, spec, el)) {
matched = target;
}
else if (Y.Selector.test(target, ((spec.replace(/,/gi, " *,")) + " *"), el)) {
// The target is a descendant of an element matching
// the selector, so crawl up to find the ancestor that
// matches the selector
matched = getMatch(target, spec, el);
}
if (matched) {
if (!ev) {
ev = new Y.DOMEventFacade(e, el);
ev.container = ev.currentTarget;
}
ev.currentTarget = Y.Node.get(matched);
Y.publish(ename, {
contextFn: function() {
return ev.currentTarget;
}
});
if (fn) {
fn(ev, ename);
}
else {
Y.fire(ename, ev);
}
}
}
}
},
attach = function (type, key, element) {
var focusMethods = {
focus: Event._attachFocus,
blur: Event._attachBlur
},
attachFn = focusMethods[type],
args = [type,
function (e) {
delegateHandler(key, (e || window.event), element);
},
element];
if (attachFn) {
return attachFn(args, { capture: true, facade: false });
}
else {
return Event._attach(args, { facade: false });
}
},
sanitize = Y.cached(function(str) {
return str.replace(/[|,:]/g, '~');
});
/**
* Sets up event delegation on a container element. The delegated event
* will use a supplied selector to test if the target or one of the
* descendants of the target match it. The supplied callback function
* will only be executed if a match was encountered, and, in fact,
* will be executed for each element that matches if you supply an
* ambiguous selector.
*
* The event object for the delegated event is supplied to the callback
* function. It is modified slightly in order to support all properties
* that may be needed for event delegation. 'currentTarget' is set to
* the element that matched the delegation specifcation. 'container' is
* set to the element that the listener is bound to (this normally would
* be the 'currentTarget').
*
* @event delegate
* @param type {string} 'delegate'
* @param fn {function} the callback function to execute. This function
* will be provided the event object for the delegated event.
* @param el {string|node} the element that is the delegation container
* @param delegateType {string} the event type to delegate
* @param spec {string} a selector that must match the target of the
* event.
* @param context optional argument that specifies what 'this' refers to.
* @param args* 0..n additional arguments to pass on to the callback function.
* These arguments will be added after the event object.
* @return {EventHandle} the detach handle
* @for YUI
* @deprecated use Y.delegate
*/
Y.Env.evt.plugins.delegate = {
on: function(type, fn, el, delegateType, spec) {
var args = Y.Array(arguments, 0, true);
args.splice(3, 1);
args[0] = delegateType;
return Y.delegate.apply(Y, args);
}
};
/**
* Sets up event delegation on a container element. The delegated event
* will use a supplied selector to test if the target or one of the
* descendants of the target match it. The supplied callback function
* will only be executed if a match was encountered, and, in fact,
* will be executed for each element that matches if you supply an
* ambiguous selector.
*
* The event object for the delegated event is supplied to the callback
* function. It is modified slightly in order to support all properties
* that may be needed for event delegation. 'currentTarget' is set to
* the element that matched the delegation specifcation. 'container' is
* set to the element that the listener is bound to (this normally would
* be the 'currentTarget').
*
* @method delegate
* @param type {string} the event type to delegate
* @param fn {function} the callback function to execute. This function
* will be provided the event object for the delegated event.
* @param el {string|node} the element that is the delegation container
* @param spec {string} a selector that must match the target of the
* event.
* @param context optional argument that specifies what 'this' refers to.
* @param args* 0..n additional arguments to pass on to the callback function.
* These arguments will be added after the event object.
* @return {EventHandle} the detach handle
* @for YUI
*/
Event.delegate = function (type, fn, el, spec) {
if (!spec) {
return false;
}
var args = Y.Array(arguments, 0, true),
element = el, // HTML element serving as the delegation container
availHandle;
if (Lang.isString(el)) {
// Y.Selector.query returns an array of matches unless specified
// to return just the first match. Since the primary use case for
// event delegation is to use a single event handler on a container,
// Y.delegate doesn't currently support being able to bind a
// single listener to multiple containers.
element = Y.Selector.query(el, null, true);
if (!element) { // Not found, check using onAvailable
availHandle = Event.onAvailable(el, function() {
availHandle.handle = Event.delegate.apply(Event, args);
}, Event, true, false);
return availHandle;
}
}
element = Y.Node.getDOMNode(element);
var guid = Y.stamp(element),
// The Custom Event for the delegation spec
ename = 'delegate:' + guid + type + sanitize(spec),
// The key to the listener for the event type and container
delegateKey = type + guid,
delegate = delegates[delegateKey],
domEventHandle,
ceHandle,
listeners;
if (!delegate) {
delegate = {};
if (specialTypes[type]) {
if (!Event._fireMouseEnter) {
return false;
}
type = specialTypes[type];
delegate.fn = Event._fireMouseEnter;
}
// Create the DOM Event wrapper that will fire the Custom Event
domEventHandle = attach(type, delegateKey, element);
// Hook into the _delete method for the Custom Event wrapper of this
// DOM Event in order to clean up the 'delegates' map and unsubscribe
// the associated Custom Event listeners fired by this DOM event
// listener if/when the user calls "purgeElement" OR removes all
// listeners of the Custom Event.
Y.after(function (sub) {
if (domEventHandle.sub == sub) {
// Delete this event from the map of known delegates
delete delegates[delegateKey];
// Unsubscribe all listeners of the Custom Event fired
// by this DOM event.
Y.detachAll(ename);
}
}, domEventHandle.evt, "_delete");
delegate.handle = domEventHandle;
delegates[delegateKey] = delegate;
}
listeners = delegate.listeners;
delegate.listeners = listeners ? (listeners + 1) : 1;
delegate[spec] = ename;
args[0] = ename;
// Remove element, delegation spec
args.splice(2, 2);
// Subscribe to the Custom Event for the delegation spec
ceHandle = Y.on.apply(Y, args);
// Hook into the detach method of the handle in order to clean up the
// 'delegates' map and remove the associated DOM event handler
// responsible for firing this Custom Event if all listener for this
// event have been removed.
Y.after(function () {
delegate.listeners = (delegate.listeners - 1);
if (delegate.listeners === 0) {
delegate.handle.detach();
}
}, ceHandle, "detach");
return ceHandle;
};
Y.delegate = Event.delegate;
}, '3.0.0' ,{requires:['node-base']});
YUI.add('event-mousewheel', function(Y) {
/**
* Adds mousewheel event support
* @module event
* @submodule event-mousewheel
*/
var DOM_MOUSE_SCROLL = 'DOMMouseScroll',
fixArgs = function(args) {
var a = Y.Array(args, 0, true), target;
if (Y.UA.gecko) {
a[0] = DOM_MOUSE_SCROLL;
target = Y.config.win;
} else {
target = Y.config.doc;
}
if (a.length < 3) {
a[2] = target;
} else {
a.splice(2, 0, target);
}
return a;
};
/**
* Mousewheel event. This listener is automatically attached to the
* correct target, so one should not be supplied. Mouse wheel
* direction and velocity is stored in the 'mouseDelta' field.
* @event mousewheel
* @param type {string} 'mousewheel'
* @param fn {function} the callback to execute
* @param context optional context object
* @param args 0..n additional arguments to provide to the listener.
* @return {EventHandle} the detach handle
* @for YUI
*/
Y.Env.evt.plugins.mousewheel = {
on: function() {
return Y.Event._attach(fixArgs(arguments));
},
detach: function() {
return Y.Event.detach.apply(Y.Event, fixArgs(arguments));
}
};
}, '3.0.0' ,{requires:['node-base']});
YUI.add('event-mouseenter', function(Y) {
/**
* Adds support for mouseenter/mouseleave events
* @module event
* @submodule event-mouseenter
*/
var Event = Y.Event,
Lang = Y.Lang,
plugins = Y.Env.evt.plugins,
listeners = {},
eventConfig = {
on: function(type, fn, el) {
var args = Y.Array(arguments, 0, true),
element = el,
availHandle;
if (Lang.isString(el)) {
// Need to use Y.all because if el is a string it could be a
// selector that returns a NodeList
element = Y.all(el);
if (element.size() === 0) { // Not found, check using onAvailable
availHandle = Event.onAvailable(el, function() {
availHandle.handle = Y.on.apply(Y, args);
}, Event, true, false);
return availHandle;
}
}
var sDOMEvent = (type === "mouseenter") ? "mouseover" : "mouseout",
// The name of the custom event
sEventName = type + ":" + Y.stamp(element) + sDOMEvent,
listener = listeners[sEventName],
domEventHandle,
ceHandle,
nListeners;
// Bind an actual DOM event listener that will call the
// the custom event
if (!listener) {
domEventHandle = Y.on(sDOMEvent, Y.rbind(Event._fireMouseEnter, Y, sEventName), element);
// Hook into the _delete method for the Custom Event wrapper of this
// DOM Event in order to clean up the 'listeners' map and unsubscribe
// the associated Custom Event listeners fired by this DOM event
// listener if/when the user calls "purgeElement" OR removes all
// listeners of the Custom Event.
Y.after(function (sub) {
if (domEventHandle.sub == sub) {
// Delete this event from the map of known mouseenter
// and mouseleave listeners
delete listeners[sEventName];
// Unsubscribe all listeners of the Custom Event fired
// by this DOM event.
Y.detachAll(sEventName);
}
}, domEventHandle.evt, "_delete");
listener = {};
listener.handle = domEventHandle;
listeners[sEventName] = listener;
}
nListeners = listener.count;
listener.count = nListeners ? (nListeners + 1) : 1;
args[0] = sEventName;
// Remove the element from the args
args.splice(2, 1);
// Subscribe to the custom event
ceHandle = Y.on.apply(Y, args);
// Hook into the detach method of the handle in order to clean up the
// 'listeners' map and remove the associated DOM event handler
// responsible for firing this Custom Event if all listener for this
// event have been removed.
Y.after(function () {
listener.count = (listener.count - 1);
if (listener.count === 0) {
listener.handle.detach();
}
}, ceHandle, "detach");
return ceHandle;
}
};
Event._fireMouseEnter = function (e, eventName) {
var relatedTarget = e.relatedTarget,
currentTarget = e.currentTarget;
if (currentTarget !== relatedTarget &&
!currentTarget.contains(relatedTarget)) {
Y.publish(eventName, {
contextFn: function() {
return currentTarget;
}
});
Y.fire(eventName, e);
}
};
/**
* Sets up a "mouseenter" listener&#151;a listener that is called the first time
* the user's mouse enters the specified element(s).
*
* @event mouseenter
* @param type {string} "mouseenter"
* @param fn {function} The method the event invokes.
* @param el {string|node} The element(s) to assign the listener to.
* @param spec {string} Optional. String representing a selector that must
* match the target of the event in order for the listener to be called.
* @return {EventHandle} the detach handle
* @for YUI
*/
plugins.mouseenter = eventConfig;
/**
* Sets up a "mouseleave" listener&#151;a listener that is called the first time
* the user's mouse leaves the specified element(s).
*
* @event mouseleave
* @param type {string} "mouseleave"
* @param fn {function} The method the event invokes.
* @param el {string|node} The element(s) to assign the listener to.
* @param spec {string} Optional. String representing a selector that must
* match the target of the event in order for the listener to be called.
* @return {EventHandle} the detach handle
* @for YUI
*/
plugins.mouseleave = eventConfig;
}, '3.0.0' ,{requires:['node-base']});
YUI.add('event-key', function(Y) {
/**
* Functionality to listen for one or more specific key combinations.
* @module event
* @submodule event-key
*/
/**
* Add a key listener. The listener will only be notified if the
* keystroke detected meets the supplied specification. The
* spec consists of the key event type, followed by a colon,
* followed by zero or more comma separated key codes, followed
* by zero or more modifiers delimited by a plus sign. Ex:
* press:12,65+shift+ctrl
* @event key
* @for YUI
* @param type {string} 'key'
* @param fn {function} the function to execute
* @param id {string|HTMLElement|collection} the element(s) to bind
* @param spec {string} the keyCode and modifier specification
* @param o optional context object
* @param args 0..n additional arguments to provide to the listener.
* @return {Event.Handle} the detach handle
*/
Y.Env.evt.plugins.key = {
on: function(type, fn, id, spec, o) {
var a = Y.Array(arguments, 0, true), parsed, etype, criteria, ename;
parsed = spec && spec.split(':');
if (!spec || spec.indexOf(':') == -1 || !parsed[1]) {
a[0] = 'key' + ((parsed && parsed[0]) || 'press');
return Y.on.apply(Y, a);
}
// key event type: 'down', 'up', or 'press'
etype = parsed[0];
// list of key codes optionally followed by modifiers
criteria = (parsed[1]) ? parsed[1].split(/,|\+/) : null;
// the name of the custom event that will be created for the spec
ename = (Y.Lang.isString(id) ? id : Y.stamp(id)) + spec;
ename = ename.replace(/,/g, '_');
if (!Y.getEvent(ename)) {
// subscribe spec validator to the DOM event
Y.on(type + etype, function(e) {
var passed = false, failed = false, i, crit, critInt;
for (i=0; i<criteria.length; i=i+1) {
crit = criteria[i];
critInt = parseInt(crit, 10);
// pass this section if any supplied keyCode
// is found
if (Y.Lang.isNumber(critInt)) {
if (e.charCode === critInt) {
passed = true;
} else {
failed = true;
}
// only check modifier if no keyCode was specified
// or the keyCode check was successful. pass only
// if every modifier passes
} else if (passed || !failed) {
passed = (e[crit + 'Key']);
failed = !passed;
}
}
// fire spec custom event if spec if met
if (passed) {
Y.fire(ename, e);
}
}, id);
}
// subscribe supplied listener to custom event for spec validator
// remove element and spec.
a.splice(2, 2);
a[0] = ename;
return Y.on.apply(Y, a);
}
};
}, '3.0.0' ,{requires:['node-base']});
YUI.add('event-focus', function(Y) {
/**
* Adds focus and blur event listener support. These events normally
* do not bubble, so this adds support for that so these events
* can be used in event delegation scenarios.
*
* @module event
* @submodule event-focus
*/
(function() {
var UA = Y.UA,
Event = Y.Event,
plugins = Y.Env.evt.plugins,
ie = UA.ie,
bUseMutation = (UA.opera || UA.webkit),
eventNames = {
focus: (ie ? 'focusin' : (bUseMutation ? 'DOMFocusIn' : 'focus')),
blur: (ie ? 'focusout' : (bUseMutation ? 'DOMFocusOut' : 'blur'))
},
// Only need to use capture phase for Gecko since it doesn't support
// focusin, focusout, DOMFocusIn, or DOMFocusOut
CAPTURE_CONFIG = { capture: (UA.gecko ? true : false) },
attach = function (args, config) {
var a = Y.Array(args, 0, true);
a[0] = eventNames[a[0]];
return Event._attach(a, config);
},
eventAdapter = {
on: function () {
return attach(arguments, CAPTURE_CONFIG);
}
};
Event._attachFocus = attach;
Event._attachBlur = attach;
/**
* Adds a DOM focus listener. Uses the focusin event in IE,
* DOMFocusIn for Opera and Webkit, and the capture phase for Gecko so that
* the event propagates in a way that enables event delegation.
*
* @for YUI
* @event focus
* @param type {string} 'focus'
* @param fn {function} the callback function to execute
* @param o {string|HTMLElement|collection} the element(s) to bind
* @param context optional context object
* @param args 0..n additional arguments to provide to the listener.
* @return {EventHandle} the detach handle
*/
plugins.focus = eventAdapter;
/**
* Adds a DOM blur listener. Uses the focusout event in IE,
* DOMFocusOut for Opera and Webkit, and the capture phase for Gecko so that
* the event propagates in a way that enables event delegation.
*
* @for YUI
* @event blur
* @param type {string} 'blur'
* @param fn {function} the callback function to execute
* @param o {string|HTMLElement|collection} the element(s) to bind
* @param context optional context object
* @param args 0..n additional arguments to provide to the listener.
* @return {EventHandle} the detach handle
*/
plugins.blur = eventAdapter;
})();
}, '3.0.0' ,{requires:['node-base']});
YUI.add('event-resize', function(Y) {
/**
* Adds a window resize event that has its behavior normalized to fire at the
* end of the resize rather than constantly during the resize.
* @module event
* @submodule event-resize
*/
(function() {
var detachHandle,
timerHandle,
CE_NAME = 'window:resize',
handler = function(e) {
if (Y.UA.gecko) {
Y.fire(CE_NAME, e);
} else {
if (timerHandle) {
timerHandle.cancel();
}
timerHandle = Y.later(Y.config.windowResizeDelay || 40, Y, function() {
Y.fire(CE_NAME, e);
});
}
};
/**
* Firefox fires the window resize event once when the resize action
* finishes, other browsers fire the event periodically during the
* resize. This code uses timeout logic to simulate the Firefox
* behavior in other browsers.
* @event windowresize
* @for YUI
*/
Y.Env.evt.plugins.windowresize = {
on: function(type, fn) {
// check for single window listener and add if needed
if (!detachHandle) {
detachHandle = Y.Event._attach(['resize', handler]);
}
var a = Y.Array(arguments, 0, true);
a[0] = CE_NAME;
return Y.on.apply(Y, a);
}
};
})();
}, '3.0.0' ,{requires:['node-base']});
YUI.add('event', function(Y){}, '3.0.0' ,{use:['event-base', 'event-delegate', 'event-mousewheel', 'event-mouseenter', 'event-key', 'event-focus', 'event-resize']});
Reference in New Issue View Git Blame Copy Permalink