event-debug.js revision c2e6a0e082fcb34905724d27cc7f6be467e1a6bc
/*
* 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 stateChangeListener,
_ready = function(e) {
GLOBAL_ENV._ready();
};
if (!GLOBAL_ENV._ready) {
GLOBAL_ENV._ready = function() {
if (!GLOBAL_ENV.DOMReady) {
GLOBAL_ENV.DOMReady = true;
}
};
// Internet Explorer: use the doScroll() method on the root element. 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 (doScrollCap) {
stateChangeListener = function() {
_ready();
}
};
} else {
try {
GLOBAL_ENV._dri = null;
_ready();
} catch (domNotReady) { }
}, pollInterval);
}
} else { // FireFox, Opera, Safari 3+ provide an event for this moment.
}
}
})();
(function() {
/*
* DOM event listener abstraction layer
* @module event
* @submodule event-base
*/
yready = function() {
Y.fire('domready');
};
/**
* The domready event fires at the moment the browser's DOM is
* usable. In most cases, this is before images are fully
* downloaded, allowing you to provide a more responsive user
* interface.
*
* In YUI 3, domready subscribers will be notified immediately if
* that moment has already passed when the subscription is created.
*
* One exception is if the yui.js file is dynamically injected into
* the page. If this is done, you must tell the YUI instance that
* you did this in order for DOMReady (and window load events) to
* fire normally. That configuration option is 'injected' -- set
* it to true if the yui.js script is not included inline.
*
* This method is part of the 'event-ready' module, which is a
* submodule of 'event'.
*
* @event domready
* @for YUI
*/
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');
}
})();
(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
},
*/
/**
* 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?
//////////////////////////////////////////////////////
if (!x && 0 !== x) {
x = e.clientX || 0;
y = e.clientY || 0;
}
}
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 = 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
*/
/**
* The button that was pushed. Same as button.
* @property which
* @type int
*/
//////////////////////////////////////////////////////
/**
* Node reference for the targeted element
* @propery target
* @type Node
*/
/**
* Node reference for the element that the listener was attached to.
* @propery currentTarget
* @type Node
*/
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
*/
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;
}
};
/**
* 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) {
} else {
this.stopPropagation();
}
};
/**
* 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;
};
/**
* 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
*/
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
*/
onLoad = function() {
},
onUnload = function() {
},
EVENT_READY = 'domready',
COMPAT_ARG = '~yui|2|compat~',
shouldIterate = function(o) {
try {
} 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
*/
_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
*/
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() {
}
},
/**
* 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
var a = Y.Array(id), i, availHandle;
// Y.log('onAvailable registered for: ' + id);
id: a[i],
});
}
_retryCount = this.POLL_RETRYS;
// We want the first test to be immediate, but async
availHandle = new Y.EventHandle({
_delete: function() {
// set by the event system for lazy DOM listeners
if (availHandle.handle) {
return;
}
var i, j;
// otherwise try to remove the onAvailable listener(s)
for (i = 0; i < a.length; i++) {
}
}
}
}
});
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
},
/**
* 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
* 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
*/
},
var cewrapper,
if (false === facade) {
key += 'native';
}
if (capture) {
key += 'capture';
}
if (!cewrapper) {
// create CE wrapper
silent: true,
bubbles: false,
contextFn: function() {
if (compat) {
} else {
}
}
});
// for later removeListener calls
};
// window load happens once
}
}
return cewrapper;
},
var compat,
compat = true;
// trimmedArgs.pop();
}
// 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=[];
args[2] = v;
});
// 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
// oEl = (compat) ? Y.DOM.byId(el) : Y.Selector.query(el);
if (compat) {
} else {
case 0:
oEl = null;
break;
case 1:
break;
default:
}
}
if (oEl) {
// Not found = defer adding the event until the element is available
} else {
// Y.log(el + ' not found');
// Y.log('lazy attach: ' + args);
return ret;
}
}
// Element should be an html element or node
if (!el) {
return false;
}
}
if (overrides) {
}
// if the load is complete, fire immediately.
// all subscribers, including the current one
// will be notified.
fireNow = true;
}
}
if (compat) {
}
// set context to the Node if not specified
// ret = cewrapper.on.apply(cewrapper, trimmedArgs);
if (fireNow) {
}
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
* @return {boolean} true if the unbind was successful, false otherwise.
* @static
*/
compat = true;
// args.pop();
}
}
// The el argument can be a string
if (typeof el == "string") {
// el = (compat) ? Y.DOM.byId(el) : Y.all(el);
if (compat) {
} else {
if (l < 1) {
el = null;
} else if (l == 1) {
}
}
// return Event.detach.apply(Event, args);
}
if (!el) {
return false;
}
// The el argument can be an array of elements or element ids.
} else if (shouldIterate(el)) {
ok = true;
}
return ok;
}
}
if (ce) {
} 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
*/
},
/**
* 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) {
if (!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
*/
/**
* hook up any deferred listeners
* @method _load
* @static
* @private
*/
_load: function(e) {
if (!_loadComplete) {
// Y.log('Load Complete', 'info', 'event');
_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
}
},
/**
* 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;
}
// 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;
// Y.log.debug("poll");
// 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
if (!tryAgain) {
}
// onAvailable
notAvail = [];
if (ov === true) {
} else {
}
} else {
}
} else {
}
};
// onAvailable
// el = (item.compat) ? Y.DOM.byId(item.id) : Y.one(item.id);
if (el) {
// Y.log('avail: ' + el);
_avail[i] = null;
} else {
// Y.log('NOT avail: ' + el);
}
}
}
// onContentReady
// el = (item.compat) ? Y.DOM.byId(item.id) : Y.one(item.id);
if (el) {
// The element is available, but not necessarily ready
// @todo should we test parentNode.nextSibling?
_avail[i] = null;
}
} else {
}
}
}
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
*/
// var oEl = (Y.Lang.isString(el)) ? Y.one(el) : el,
i = 0;
for (; i < len; ++i) {
if (child) {
}
}
}
if (lis) {
i = 0;
for (; i < len; ++i) {
}
}
},
/**
* 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
*/
if (!evts) {
return null;
}
if (key) {
}
// get native events as well
key += 'native';
}
} else {
});
}
},
/**
* Removes all listeners registered by pe.event. Called
* automatically during the unload event.
* @method _unload
* @static
* @private
*/
_unload: function(e) {
v.detachAll();
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
*/
/**
* 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
*/
};
}();
onLoad();
} else {
}
// Process onAvailable/onContentReady items when when the DOM is ready in IE
}
})();
/**
* 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
*/
}
};
/**
* 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
*/
}
};
/**
* Adds event delegation support to the library.
*
* @module event
* @submodule event-delegate
*/
delegates = {},
specialTypes = {
mouseenter: "mouseover",
mouseleave: "mouseout"
},
resolveTextNode = function(n) {
try {
if (n && 3 == n.nodeType) {
return n.parentNode;
}
} catch(e) { }
return n;
},
spec,
fn,
ev;
var returnVal;
returnVal = false;
}
else {
returnVal = Y.Selector.test(el, selector, container) ? el: getMatch(el.parentNode, selector, container);
}
return returnVal;
};
matched = null;
}
// The target is a descendant of an element matching
// the selector, so crawl up to find the ancestor that
// matches the selector
}
if (matched) {
if (!ev) {
}
contextFn: function() {
return ev.currentTarget;
}
});
if (fn) {
}
else {
}
}
}
}
},
var focusMethods = {
},
function (e) {
},
element];
if (attachFn) {
}
else {
}
},
});
/**
* 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
*/
if (!spec) {
return false;
}
// 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.
if (!element) { // Not found, check using onAvailable
}, Event, true, false);
return availHandle;
}
}
// The Custom Event for the delegation spec
// The key to the listener for the event type and container
if (!delegate) {
delegate = {};
if (specialTypes[type]) {
if (!Event._fireMouseEnter) {
Y.log("Delegating a " + type + " event requires the event-mouseenter submodule.", "error", "Event");
return false;
}
}
// Create the DOM Event wrapper that will fire the Custom Event
// 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
// listeners of the Custom Event.
// Delete this event from the map of known delegates
delete delegates[delegateKey];
Y.log("DOM event listener associated with the " + ename + " Custom Event removed. Removing all " + ename + " listeners.", "info", "Event");
// Unsubscribe all listeners of the Custom Event fired
// by this DOM event.
}
}
// Remove element, delegation spec
// Subscribe to the Custom Event for the delegation spec
// 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 () {
Y.log("No more listeners for the " + ename + " Custom Event. Removing its associated DOM event listener.", "info", "Event");
}
}, ceHandle, "detach");
return ceHandle;
};
/**
* Adds mousewheel event support
* @module event
* @submodule event-mousewheel
*/
var DOM_MOUSE_SCROLL = 'DOMMouseScroll',
a[0] = DOM_MOUSE_SCROLL;
} else {
}
if (a.length < 3) {
a[2] = target;
} else {
}
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
*/
on: function() {
},
detach: function() {
}
};
/**
* Adds support for mouseenter/mouseleave events
* @module event
* @submodule event-mouseenter
*/
listeners = {},
eventConfig = {
// Need to use Y.all because if el is a string it could be a
// selector that returns a NodeList
}, Event, true, false);
return availHandle;
}
}
// The name of the custom event
// Bind an actual DOM event listener that will call the
// the custom event
if (!listener) {
// 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
// listeners of the Custom Event.
// Delete this event from the map of known mouseenter
// and mouseleave listeners
delete listeners[sEventName];
Y.log("DOM event listener associated with the " + sEventName + " Custom Event removed. Removing all " + sEventName + " listeners.", "info", "Event");
// Unsubscribe all listeners of the Custom Event fired
// by this DOM event.
Y.detachAll(sEventName);
}
listener = {};
}
// Remove the element from the args
// Subscribe to the custom event
// 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 () {
Y.log("No more listeners for the " + sEventName + " Custom Event. Removing its associated DOM event listener.", "info", "Event");
}
}, ceHandle, "detach");
return ceHandle;
}
};
var relatedTarget = e.relatedTarget,
if (currentTarget !== relatedTarget &&
contextFn: function() {
return currentTarget;
}
});
}
};
/**
* Sets up a "mouseenter" listener—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
*/
/**
* Sets up a "mouseleave" listener—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
*/
/**
* 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
*/
}
// key event type: 'down', 'up', or 'press'
// list of key codes optionally followed by modifiers
// the name of the custom event that will be created for the spec
// subscribe spec validator to the DOM event
// Y.log('keylistener: ' + e.keyCode);
// pass this section if any supplied keyCode
// is found
// Y.log('passed: ' + crit);
passed = true;
} else {
failed = true;
// Y.log('failed: ' + crit);
}
// only check modifier if no keyCode was specified
// or the keyCode check was successful. pass only
// if every modifier passes
// Y.log(crit + ": " + passed);
}
}
// fire spec custom event if spec if met
if (passed) {
}
}, id);
}
// subscribe supplied listener to custom event for spec validator
// remove element and spec.
a[0] = ename;
}
};
/**
* 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() {
eventNames = {
},
// Only need to use capture phase for Gecko since it doesn't support
// focusin, focusout, DOMFocusIn, or DOMFocusOut
var a = Y.Array(args, 0, true),
if (el) {
}
else {
}
}
},
eventAdapter = {
on: function () {
}
};
/**
* 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
*/
/**
* 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
*/
})();
/**
* 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,
CE_NAME = 'window:resize',
handler = function(e) {
} else {
if (timerHandle) {
}
});
}
};
/**
* 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
*/
// check for single window listener and add if needed
if (!detachHandle) {
}
var a = Y.Array(arguments, 0, true);
a[0] = CE_NAME;
}
};
})();
YUI.add('event', function(Y){}, '@VERSION@' ,{use:['event-base', 'event-delegate', 'event-mousewheel', 'event-mouseenter', 'event-key', 'event-focus', 'event-resize']});