Revision 1263
Added by Dietmar over 14 years ago
| event-debug.js | ||
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| 1 | 1 |
/* |
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Copyright (c) 2007, Yahoo! Inc. All rights reserved.
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Copyright (c) 2009, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License: |
| 4 | 4 |
http://developer.yahoo.net/yui/license.txt |
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version: 2.4.1
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version: 2.8.0r4
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*/ |
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/** |
| ... | ... | |
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* |
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* @param {String} type The type of event, which is passed to the callback
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* when the event fires |
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* @param {Object} oScope The context the event will fire from. "this" will
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* @param {Object} context The context the event will fire from. "this" will
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* refer to this object in the callback. Default value: |
| 16 | 16 |
* the window object. The listener can override this. |
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* @param {boolean} silent pass true to prevent the event from writing to
|
| ... | ... | |
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* will receive. YAHOO.util.CustomEvent.LIST or |
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* YAHOO.util.CustomEvent.FLAT. The default is |
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* YAHOO.util.CustomEvent.LIST. |
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* @param fireOnce {boolean} If configured to fire once, the custom event
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* will only notify subscribers a single time regardless of how many times |
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* the event is fired. In addition, new subscribers will be notified |
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* immediately if the event has already been fired. |
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* @namespace YAHOO.util |
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* @class CustomEvent |
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* @constructor |
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*/ |
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YAHOO.util.CustomEvent = function(type, oScope, silent, signature) {
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YAHOO.util.CustomEvent = function(type, context, silent, signature, fireOnce) {
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/** |
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* The type of event, returned to subscribers when the event fires |
| ... | ... | |
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this.type = type; |
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|
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/** |
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* The scope the the event will fire from by default. Defaults to the window |
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* obj |
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* The context the event will fire from by default. Defaults to the window obj. |
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* @property scope |
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* @type object |
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*/ |
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this.scope = oScope || window;
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this.scope = context || window;
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/** |
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* By default all custom events are logged in the debug build, set silent
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* to true to disable debug outpu for this event.
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* By default all custom events are logged in the debug build. Set silent to true
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* to disable debug output for this event.
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* @property silent |
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* @type boolean |
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*/ |
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this.silent = silent; |
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|
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/** |
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* If configured to fire once, the custom event will only notify subscribers |
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* a single time regardless of how many times the event is fired. In addition, |
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* new subscribers will be notified immediately if the event has already been |
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* fired. |
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* @property fireOnce |
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* @type boolean |
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* @default false |
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*/ |
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this.fireOnce = fireOnce; |
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/** |
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* Indicates whether or not this event has ever been fired. |
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* @property fired |
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* @type boolean |
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* @default false |
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*/ |
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this.fired = false; |
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/** |
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* For fireOnce events the arguments the event was fired with are stored |
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* so that new subscribers get the proper payload. |
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* @property firedWith |
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* @type Array |
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*/ |
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this.firedWith = null; |
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/** |
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* Custom events support two styles of arguments provided to the event |
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* subscribers. |
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* <ul> |
| ... | ... | |
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* |
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* @event subscribeEvent |
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* @type YAHOO.util.CustomEvent |
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* @param {Function} fn The function to execute
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* @param {Object} obj An object to be passed along when the event
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* fires |
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* @param {boolean|Object} override If true, the obj passed in becomes
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* the execution scope of the listener. |
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* if an object, that object becomes the |
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* the execution scope. |
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* @param fn {Function} The function to execute
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* @param obj <Object> An object to be passed along when the event fires. |
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* Defaults to the custom event. |
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* @param override <boolean|Object> If true, the obj passed in becomes the |
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* execution context of the listener. If an object, that object becomes |
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* the execution context. Defaults to the custom event. |
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*/ |
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this.subscribeEvent = |
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new YAHOO.util.CustomEvent(onsubscribeType, this, true); |
| ... | ... | |
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* Subscribes the caller to this event |
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* @method subscribe |
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* @param {Function} fn The function to execute
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* @param {Object} obj An object to be passed along when the event
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* fires |
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* @param {boolean|Object} override If true, the obj passed in becomes
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* the execution scope of the listener. |
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* if an object, that object becomes the |
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* the execution scope. |
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* @param {Object} obj An object to be passed along when the event fires.
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* overrideContext <boolean|Object> If true, the obj passed in becomes the execution |
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* context of the listener. If an object, that object becomes the execution context. |
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*/ |
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subscribe: function(fn, obj, override) {
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subscribe: function(fn, obj, overrideContext) {
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if (!fn) {
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throw new Error("Invalid callback for subscriber to '" + this.type + "'");
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} |
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if (this.subscribeEvent) {
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this.subscribeEvent.fire(fn, obj, override); |
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this.subscribeEvent.fire(fn, obj, overrideContext);
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} |
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this.subscribers.push( new YAHOO.util.Subscriber(fn, obj, override) ); |
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var s = new YAHOO.util.Subscriber(fn, obj, overrideContext); |
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if (this.fireOnce && this.fired) {
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this.notify(s, this.firedWith); |
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} else {
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this.subscribers.push(s); |
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} |
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}, |
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/** |
| ... | ... | |
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/** |
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* Notifies the subscribers. The callback functions will be executed |
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* from the scope specified when the event was created, and with the
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* from the context specified when the event was created, and with the
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* following parameters: |
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* <ul> |
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* <li>The type of event</li> |
| ... | ... | |
| 215 | 247 |
* true otherwise |
| 216 | 248 |
*/ |
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fire: function() {
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var len=this.subscribers.length; |
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if (!len && this.silent) {
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return true; |
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this.lastError = null; |
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var errors = [], |
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len=this.subscribers.length; |
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var args=[].slice.call(arguments, 0), ret=true, i, rebuild=false; |
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if (this.fireOnce) {
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if (this.fired) {
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YAHOO.log('fireOnce event has already fired: ' + this.type);
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return true; |
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} else {
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this.firedWith = args; |
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} |
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} |
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var args=[], ret=true, i, rebuild=false;
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this.fired = true;
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for (i=0; i<arguments.length; ++i) {
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args.push(arguments[i]); |
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if (!len && this.silent) {
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//YAHOO.log('DEBUG no subscribers');
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return true; |
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} |
| 228 | 274 |
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if (!this.silent) {
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| ... | ... | |
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"info", "Event" ); |
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} |
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// make a copy of the subscribers so that there are |
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// no index problems if one subscriber removes another. |
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var subs = this.subscribers.slice(); |
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for (i=0; i<len; ++i) {
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var s = this.subscribers[i];
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var s = subs[i];
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if (!s) {
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rebuild=true; |
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} else {
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if (!this.silent) {
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YAHOO.log( this.type + "->" + (i+1) + ": " + s, |
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"info", "Event" ); |
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} |
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var scope = s.getScope(this.scope);
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ret = this.notify(s, args);
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if (this.signature == YAHOO.util.CustomEvent.FLAT) {
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var param = null; |
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if (args.length > 0) {
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param = args[0]; |
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} |
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try {
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ret = s.fn.call(scope, param, s.obj); |
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} catch(e) {
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this.lastError = e; |
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YAHOO.log(this + " subscriber exception: " + e, |
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"error", "Event"); |
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} |
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} else {
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try {
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ret = s.fn.call(scope, this.type, args, s.obj); |
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} catch(ex) {
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this.lastError = ex; |
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YAHOO.log(this + " subscriber exception: " + ex, |
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"error", "Event"); |
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} |
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} |
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| 270 | 294 |
if (false === ret) {
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if (!this.silent) {
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YAHOO.log("Event cancelled, subscriber " + i +
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" of " + len, "info", "Event"); |
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YAHOO.log("Event stopped, sub " + i + " of " + len, "info", "Event");
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} |
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//break; |
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return false; |
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break; |
|
| 278 | 300 |
} |
| 279 | 301 |
} |
| 280 | 302 |
} |
| 281 | 303 |
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if (rebuild) {
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var newlist=[],subs=this.subscribers; |
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for (i=0,len=subs.length; i<len; i=i+1) {
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newlist.push(subs[i]); |
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return (ret !== false); |
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}, |
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notify: function(s, args) {
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var ret, param=null, scope = s.getScope(this.scope), |
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throwErrors = YAHOO.util.Event.throwErrors; |
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if (!this.silent) {
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YAHOO.log( this.type + "-> " + s, "info", "Event" ); |
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} |
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| 316 |
if (this.signature == YAHOO.util.CustomEvent.FLAT) {
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|
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| 318 |
if (args.length > 0) {
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param = args[0]; |
|
| 286 | 320 |
} |
| 287 | 321 |
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this.subscribers=newlist; |
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try {
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| 323 |
ret = s.fn.call(scope, param, s.obj); |
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} catch(e) {
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this.lastError = e; |
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// errors.push(e); |
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YAHOO.log(this + " subscriber exception: " + e, "error", "Event"); |
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if (throwErrors) {
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throw e; |
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} |
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} |
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| 332 |
} else {
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| 333 |
try {
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| 334 |
ret = s.fn.call(scope, this.type, args, s.obj); |
|
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} catch(ex) {
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| 336 |
this.lastError = ex; |
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YAHOO.log(this + " subscriber exception: " + ex, "error", "Event"); |
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if (throwErrors) {
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throw ex; |
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} |
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} |
|
| 289 | 342 |
} |
| 290 | 343 |
|
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return true;
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return ret;
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| 292 | 345 |
}, |
| 293 | 346 |
|
| 294 | 347 |
/** |
| ... | ... | |
| 297 | 350 |
* @return {int} The number of listeners unsubscribed
|
| 298 | 351 |
*/ |
| 299 | 352 |
unsubscribeAll: function() {
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for (var i=0, len=this.subscribers.length; i<len; ++i) {
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| 301 |
this._delete(len - 1 - i); |
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var l = this.subscribers.length, i; |
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| 354 |
for (i=l-1; i>-1; i--) {
|
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| 355 |
this._delete(i); |
|
| 302 | 356 |
} |
| 303 | 357 |
|
| 304 | 358 |
this.subscribers=[]; |
| 305 | 359 |
|
| 306 |
return i;
|
|
| 360 |
return l;
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| 307 | 361 |
}, |
| 308 | 362 |
|
| 309 | 363 |
/** |
| ... | ... | |
| 317 | 371 |
delete s.obj; |
| 318 | 372 |
} |
| 319 | 373 |
|
| 320 |
this.subscribers[index]=null; |
|
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// this.subscribers[index]=null; |
|
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this.subscribers.splice(index, 1); |
|
| 321 | 376 |
}, |
| 322 | 377 |
|
| 323 | 378 |
/** |
| ... | ... | |
| 325 | 380 |
*/ |
| 326 | 381 |
toString: function() {
|
| 327 | 382 |
return "CustomEvent: " + "'" + this.type + "', " + |
| 328 |
"scope: " + this.scope;
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| 383 |
"context: " + this.scope;
|
|
| 329 | 384 |
|
| 330 | 385 |
} |
| 331 | 386 |
}; |
| ... | ... | |
| 336 | 391 |
* Stores the subscriber information to be used when the event fires. |
| 337 | 392 |
* @param {Function} fn The function to execute
|
| 338 | 393 |
* @param {Object} obj An object to be passed along when the event fires
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| 339 |
* @param {boolean} override If true, the obj passed in becomes the execution
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| 340 |
* scope of the listener
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| 394 |
* @param {boolean} overrideContext If true, the obj passed in becomes the execution
|
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| 395 |
* context of the listener
|
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| 341 | 396 |
* @class Subscriber |
| 342 | 397 |
* @constructor |
| 343 | 398 |
*/ |
| 344 |
YAHOO.util.Subscriber = function(fn, obj, override) {
|
|
| 399 |
YAHOO.util.Subscriber = function(fn, obj, overrideContext) {
|
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| 345 | 400 |
|
| 346 | 401 |
/** |
| 347 | 402 |
* The callback that will be execute when the event fires |
| ... | ... | |
| 359 | 414 |
this.obj = YAHOO.lang.isUndefined(obj) ? null : obj; |
| 360 | 415 |
|
| 361 | 416 |
/** |
| 362 |
* The default execution scope for the event listener is defined when the
|
|
| 417 |
* The default execution context for the event listener is defined when the
|
|
| 363 | 418 |
* event is created (usually the object which contains the event). |
| 364 |
* By setting override to true, the execution scope becomes the custom
|
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| 365 |
* object passed in by the subscriber. If override is an object, that |
|
| 366 |
* object becomes the scope.
|
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| 367 |
* @property override |
|
| 419 |
* By setting overrideContext to true, the execution context becomes the custom
|
|
| 420 |
* object passed in by the subscriber. If overrideContext is an object, that
|
|
| 421 |
* object becomes the context.
|
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| 422 |
* @property overrideContext
|
|
| 368 | 423 |
* @type boolean|object |
| 369 | 424 |
*/ |
| 370 |
this.override = override;
|
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| 425 |
this.overrideContext = overrideContext;
|
|
| 371 | 426 |
|
| 372 | 427 |
}; |
| 373 | 428 |
|
| 374 | 429 |
/** |
| 375 |
* Returns the execution scope for this listener. If override was set to true
|
|
| 376 |
* the custom obj will be the scope. If override is an object, that is the
|
|
| 377 |
* scope, otherwise the default scope will be used.
|
|
| 430 |
* Returns the execution context for this listener. If overrideContext was set to true
|
|
| 431 |
* the custom obj will be the context. If overrideContext is an object, that is the
|
|
| 432 |
* context, otherwise the default context will be used.
|
|
| 378 | 433 |
* @method getScope |
| 379 |
* @param {Object} defaultScope the scope to use if this listener does not
|
|
| 434 |
* @param {Object} defaultScope the context to use if this listener does not
|
|
| 380 | 435 |
* override it. |
| 381 | 436 |
*/ |
| 382 | 437 |
YAHOO.util.Subscriber.prototype.getScope = function(defaultScope) {
|
| 383 |
if (this.override) {
|
|
| 384 |
if (this.override === true) {
|
|
| 438 |
if (this.overrideContext) {
|
|
| 439 |
if (this.overrideContext === true) {
|
|
| 385 | 440 |
return this.obj; |
| 386 | 441 |
} else {
|
| 387 |
return this.override; |
|
| 442 |
return this.overrideContext;
|
|
| 388 | 443 |
} |
| 389 | 444 |
} |
| 390 | 445 |
return defaultScope; |
| ... | ... | |
| 413 | 468 |
*/ |
| 414 | 469 |
YAHOO.util.Subscriber.prototype.toString = function() {
|
| 415 | 470 |
return "Subscriber { obj: " + this.obj +
|
| 416 |
", override: " + (this.override || "no") + " }";
|
|
| 471 |
", overrideContext: " + (this.overrideContext || "no") + " }";
|
|
| 417 | 472 |
}; |
| 418 | 473 |
|
| 419 | 474 |
/** |
| ... | ... | |
| 449 | 504 |
* @static |
| 450 | 505 |
* @private |
| 451 | 506 |
*/ |
| 452 |
var loadComplete = false;
|
|
| 507 |
var loadComplete = false,
|
|
| 453 | 508 |
|
| 454 | 509 |
/** |
| 455 | 510 |
* Cache of wrapped listeners |
| ... | ... | |
| 458 | 513 |
* @static |
| 459 | 514 |
* @private |
| 460 | 515 |
*/ |
| 461 |
var listeners = [];
|
|
| 516 |
listeners = [],
|
|
| 462 | 517 |
|
| 518 |
|
|
| 463 | 519 |
/** |
| 464 | 520 |
* User-defined unload function that will be fired before all events |
| 465 | 521 |
* are detached |
| ... | ... | |
| 468 | 524 |
* @static |
| 469 | 525 |
* @private |
| 470 | 526 |
*/ |
| 471 |
var unloadListeners = [];
|
|
| 527 |
unloadListeners = [],
|
|
| 472 | 528 |
|
| 473 | 529 |
/** |
| 474 |
* Cache of DOM0 event handlers to work around issues with DOM2 events |
|
| 475 |
* in Safari |
|
| 476 |
* @property legacyEvents |
|
| 477 |
* @static |
|
| 478 |
* @private |
|
| 479 |
*/ |
|
| 480 |
var legacyEvents = []; |
|
| 481 |
|
|
| 482 |
/** |
|
| 483 |
* Listener stack for DOM0 events |
|
| 484 |
* @property legacyHandlers |
|
| 485 |
* @static |
|
| 486 |
* @private |
|
| 487 |
*/ |
|
| 488 |
var legacyHandlers = []; |
|
| 489 |
|
|
| 490 |
/** |
|
| 491 | 530 |
* The number of times to poll after window.onload. This number is |
| 492 | 531 |
* increased if additional late-bound handlers are requested after |
| 493 | 532 |
* the page load. |
| ... | ... | |
| 495 | 534 |
* @static |
| 496 | 535 |
* @private |
| 497 | 536 |
*/ |
| 498 |
var retryCount = 0;
|
|
| 537 |
retryCount = 0,
|
|
| 499 | 538 |
|
| 500 | 539 |
/** |
| 501 | 540 |
* onAvailable listeners |
| ... | ... | |
| 503 | 542 |
* @static |
| 504 | 543 |
* @private |
| 505 | 544 |
*/ |
| 506 |
var onAvailStack = [];
|
|
| 545 |
onAvailStack = [],
|
|
| 507 | 546 |
|
| 508 | 547 |
/** |
| 509 |
* Lookup table for legacy events |
|
| 510 |
* @property legacyMap |
|
| 511 |
* @static |
|
| 512 |
* @private |
|
| 513 |
*/ |
|
| 514 |
var legacyMap = []; |
|
| 515 |
|
|
| 516 |
/** |
|
| 517 | 548 |
* Counter for auto id generation |
| 518 | 549 |
* @property counter |
| 519 | 550 |
* @static |
| 520 | 551 |
* @private |
| 521 | 552 |
*/ |
| 522 |
var counter = 0;
|
|
| 553 |
counter = 0,
|
|
| 523 | 554 |
|
| 524 | 555 |
/** |
| 525 | 556 |
* Normalized keycodes for webkit/safari |
| ... | ... | |
| 529 | 560 |
* @static |
| 530 | 561 |
* @final |
| 531 | 562 |
*/ |
| 532 |
var webkitKeymap = {
|
|
| 563 |
webkitKeymap = {
|
|
| 533 | 564 |
63232: 38, // up |
| 534 | 565 |
63233: 40, // down |
| 535 | 566 |
63234: 37, // left |
| ... | ... | |
| 538 | 569 |
63277: 34, // page down |
| 539 | 570 |
25: 9 // SHIFT-TAB (Safari provides a different key code in |
| 540 | 571 |
// this case, even though the shiftKey modifier is set) |
| 541 |
};
|
|
| 572 |
},
|
|
| 542 | 573 |
|
| 574 |
isIE = YAHOO.env.ua.ie, |
|
| 575 |
|
|
| 576 |
// String constants used by the addFocusListener and removeFocusListener methods |
|
| 577 |
|
|
| 578 |
FOCUSIN = "focusin", |
|
| 579 |
FOCUSOUT = "focusout"; |
|
| 580 |
|
|
| 543 | 581 |
return {
|
| 544 | 582 |
|
| 545 | 583 |
/** |
| 546 | 584 |
* The number of times we should look for elements that are not |
| 547 | 585 |
* in the DOM at the time the event is requested after the document |
| 548 |
* has been loaded. The default is 4000@amp;10 ms, so it will poll
|
|
| 549 |
* for 40 seconds or until all outstanding handlers are bound
|
|
| 586 |
* has been loaded. The default is 500@amp;40 ms, so it will poll
|
|
| 587 |
* for 20 seconds or until all outstanding handlers are bound
|
|
| 550 | 588 |
* (whichever comes first). |
| 551 | 589 |
* @property POLL_RETRYS |
| 552 | 590 |
* @type int |
| 553 | 591 |
* @static |
| 554 | 592 |
* @final |
| 555 | 593 |
*/ |
| 556 |
POLL_RETRYS: 4000,
|
|
| 594 |
POLL_RETRYS: 500,
|
|
| 557 | 595 |
|
| 558 | 596 |
/** |
| 559 | 597 |
* The poll interval in milliseconds |
| ... | ... | |
| 562 | 600 |
* @static |
| 563 | 601 |
* @final |
| 564 | 602 |
*/ |
| 565 |
POLL_INTERVAL: 10,
|
|
| 603 |
POLL_INTERVAL: 40,
|
|
| 566 | 604 |
|
| 567 | 605 |
/** |
| 568 | 606 |
* Element to bind, int constant |
| ... | ... | |
| 592 | 630 |
FN: 2, |
| 593 | 631 |
|
| 594 | 632 |
/** |
| 595 |
* Function wrapped for scope correction and cleanup, int constant
|
|
| 633 |
* Function wrapped for context correction and cleanup, int constant
|
|
| 596 | 634 |
* @property WFN |
| 597 | 635 |
* @type int |
| 598 | 636 |
* @static |
| ... | ... | |
| 612 | 650 |
UNLOAD_OBJ: 3, |
| 613 | 651 |
|
| 614 | 652 |
/** |
| 615 |
* Adjusted scope, either the element we are registering the event
|
|
| 653 |
* Adjusted context, either the element we are registering the event
|
|
| 616 | 654 |
* on or the custom object passed in by the listener, int constant |
| 617 | 655 |
* @property ADJ_SCOPE |
| 618 | 656 |
* @type int |
| ... | ... | |
| 631 | 669 |
OBJ: 5, |
| 632 | 670 |
|
| 633 | 671 |
/** |
| 634 |
* The original scope parameter passed into addListener
|
|
| 672 |
* The original context parameter passed into addListener
|
|
| 635 | 673 |
* @property OVERRIDE |
| 636 | 674 |
* @type int |
| 637 | 675 |
* @static |
| ... | ... | |
| 640 | 678 |
OVERRIDE: 6, |
| 641 | 679 |
|
| 642 | 680 |
/** |
| 681 |
* The original capture parameter passed into addListener |
|
| 682 |
* @property CAPTURE |
|
| 683 |
* @type int |
|
| 684 |
* @static |
|
| 685 |
* @final |
|
| 686 |
*/ |
|
| 687 |
CAPTURE: 7, |
|
| 688 |
|
|
| 689 |
/** |
|
| 643 | 690 |
* addListener/removeListener can throw errors in unexpected scenarios. |
| 644 | 691 |
* These errors are suppressed, the method returns false, and this property |
| 645 | 692 |
* is set |
| ... | ... | |
| 675 | 722 |
* @static |
| 676 | 723 |
* @deprecated use YAHOO.env.ua.ie |
| 677 | 724 |
*/ |
| 678 |
isIE: YAHOO.env.ua.ie,
|
|
| 725 |
isIE: isIE,
|
|
| 679 | 726 |
|
| 680 | 727 |
/** |
| 681 | 728 |
* poll handle |
| ... | ... | |
| 693 | 740 |
*/ |
| 694 | 741 |
_dri: null, |
| 695 | 742 |
|
| 743 |
|
|
| 696 | 744 |
/** |
| 745 |
* Map of special event types |
|
| 746 |
* @property _specialTypes |
|
| 747 |
* @static |
|
| 748 |
* @private |
|
| 749 |
*/ |
|
| 750 |
_specialTypes: {
|
|
| 751 |
focusin: (isIE ? "focusin" : "focus"), |
|
| 752 |
focusout: (isIE ? "focusout" : "blur") |
|
| 753 |
}, |
|
| 754 |
|
|
| 755 |
|
|
| 756 |
/** |
|
| 697 | 757 |
* True when the document is initially usable |
| 698 | 758 |
* @property DOMReady |
| 699 | 759 |
* @type boolean |
| ... | ... | |
| 702 | 762 |
DOMReady: false, |
| 703 | 763 |
|
| 704 | 764 |
/** |
| 765 |
* Errors thrown by subscribers of custom events are caught |
|
| 766 |
* and the error message is written to the debug console. If |
|
| 767 |
* this property is set to true, it will also re-throw the |
|
| 768 |
* error. |
|
| 769 |
* @property throwErrors |
|
| 770 |
* @type boolean |
|
| 771 |
* @default false |
|
| 772 |
*/ |
|
| 773 |
throwErrors: false, |
|
| 774 |
|
|
| 775 |
|
|
| 776 |
/** |
|
| 705 | 777 |
* @method startInterval |
| 706 | 778 |
* @static |
| 707 | 779 |
* @private |
| 708 | 780 |
*/ |
| 709 | 781 |
startInterval: function() {
|
| 710 | 782 |
if (!this._interval) {
|
| 711 |
var self = this; |
|
| 712 |
var callback = function() { self._tryPreloadAttach(); };
|
|
| 713 |
this._interval = setInterval(callback, this.POLL_INTERVAL); |
|
| 783 |
// var self = this; |
|
| 784 |
// var callback = function() { self._tryPreloadAttach(); };
|
|
| 785 |
// this._interval = setInterval(callback, this.POLL_INTERVAL); |
|
| 786 |
this._interval = YAHOO.lang.later(this.POLL_INTERVAL, this, this._tryPreloadAttach, null, true); |
|
| 714 | 787 |
} |
| 715 | 788 |
}, |
| 716 | 789 |
|
| ... | ... | |
| 727 | 800 |
* |
| 728 | 801 |
* @method onAvailable |
| 729 | 802 |
* |
| 730 |
* @param {string||string[]} p_id the id of the element, or an array
|
|
| 803 |
* @param {string||string[]} id the id of the element, or an array
|
|
| 731 | 804 |
* of ids to look for. |
| 732 |
* @param {function} p_fn what to execute when the element is found.
|
|
| 733 |
* @param {object} p_obj an optional object to be passed back as
|
|
| 734 |
* a parameter to p_fn.
|
|
| 735 |
* @param {boolean|object} p_override If set to true, p_fn will execute
|
|
| 736 |
* in the scope of p_obj, if set to an object it
|
|
| 737 |
* will execute in the scope of that object
|
|
| 805 |
* @param {function} fn what to execute when the element is found.
|
|
| 806 |
* @param {object} obj an optional object to be passed back as
|
|
| 807 |
* a parameter to fn. |
|
| 808 |
* @param {boolean|object} overrideContext If set to true, fn will execute
|
|
| 809 |
* in the context of obj, if set to an object it
|
|
| 810 |
* will execute in the context of that object
|
|
| 738 | 811 |
* @param checkContent {boolean} check child node readiness (onContentReady)
|
| 739 | 812 |
* @static |
| 740 | 813 |
*/ |
| 741 |
onAvailable: function(p_id, p_fn, p_obj, p_override, checkContent) {
|
|
| 814 |
onAvailable: function(id, fn, obj, overrideContext, checkContent) {
|
|
| 742 | 815 |
|
| 743 |
var a = (YAHOO.lang.isString(p_id)) ? [p_id] : p_id;
|
|
| 816 |
var a = (YAHOO.lang.isString(id)) ? [id] : id;
|
|
| 744 | 817 |
|
| 745 | 818 |
for (var i=0; i<a.length; i=i+1) {
|
| 746 | 819 |
onAvailStack.push({id: a[i],
|
| 747 |
fn: p_fn,
|
|
| 748 |
obj: p_obj,
|
|
| 749 |
override: p_override,
|
|
| 820 |
fn: fn, |
|
| 821 |
obj: obj, |
|
| 822 |
overrideContext: overrideContext,
|
|
| 750 | 823 |
checkReady: checkContent }); |
| 751 | 824 |
} |
| 825 |
|
|
| 752 | 826 |
retryCount = this.POLL_RETRYS; |
| 827 |
|
|
| 753 | 828 |
this.startInterval(); |
| 754 | 829 |
}, |
| 755 | 830 |
|
| ... | ... | |
| 763 | 838 |
* |
| 764 | 839 |
* @method onContentReady |
| 765 | 840 |
* |
| 766 |
* @param {string} p_id the id of the element to look for.
|
|
| 767 |
* @param {function} p_fn what to execute when the element is ready.
|
|
| 768 |
* @param {object} p_obj an optional object to be passed back as
|
|
| 769 |
* a parameter to p_fn.
|
|
| 770 |
* @param {boolean|object} p_override If set to true, p_fn will execute
|
|
| 771 |
* in the scope of p_obj. If an object, p_fn will
|
|
| 772 |
* exectute in the scope of that object
|
|
| 841 |
* @param {string} id the id of the element to look for.
|
|
| 842 |
* @param {function} fn what to execute when the element is ready.
|
|
| 843 |
* @param {object} obj an optional object to be passed back as
|
|
| 844 |
* a parameter to fn. |
|
| 845 |
* @param {boolean|object} overrideContext If set to true, fn will execute
|
|
| 846 |
* in the context of obj. If an object, fn will
|
|
| 847 |
* exectute in the context of that object
|
|
| 773 | 848 |
* |
| 774 | 849 |
* @static |
| 775 | 850 |
*/ |
| 776 |
onContentReady: function(p_id, p_fn, p_obj, p_override) {
|
|
| 777 |
this.onAvailable(p_id, p_fn, p_obj, p_override, true);
|
|
| 851 |
onContentReady: function(id, fn, obj, overrideContext) {
|
|
| 852 |
this.onAvailable(id, fn, obj, overrideContext, true);
|
|
| 778 | 853 |
}, |
| 779 | 854 |
|
| 780 | 855 |
/** |
| ... | ... | |
| 800 | 875 |
* |
| 801 | 876 |
* @method onDOMReady |
| 802 | 877 |
* |
| 803 |
* @param {function} p_fn what to execute when the element is found.
|
|
| 804 |
* @param {object} p_obj an optional object to be passed back as
|
|
| 805 |
* a parameter to p_fn.
|
|
| 806 |
* @param {boolean|object} p_scope If set to true, p_fn will execute
|
|
| 807 |
* in the scope of p_obj, if set to an object it
|
|
| 808 |
* will execute in the scope of that object
|
|
| 878 |
* @param {function} fn what to execute when the element is found.
|
|
| 879 |
* @param {object} obj an optional object to be passed back as
|
|
| 880 |
* a parameter to fn. |
|
| 881 |
* @param {boolean|object} overrideContext If set to true, fn will execute
|
|
| 882 |
* in the context of obj, if set to an object it
|
|
| 883 |
* will execute in the context of that object
|
|
| 809 | 884 |
* |
| 810 | 885 |
* @static |
| 811 | 886 |
*/ |
| 812 |
onDOMReady: function(p_fn, p_obj, p_override) {
|
|
| 813 |
if (this.DOMReady) {
|
|
| 814 |
setTimeout(function() {
|
|
| 815 |
var s = window; |
|
| 816 |
if (p_override) {
|
|
| 817 |
if (p_override === true) {
|
|
| 818 |
s = p_obj; |
|
| 819 |
} else {
|
|
| 820 |
s = p_override; |
|
| 821 |
} |
|
| 822 |
} |
|
| 823 |
p_fn.call(s, "DOMReady", [], p_obj); |
|
| 824 |
}, 0); |
|
| 825 |
} else {
|
|
| 826 |
this.DOMReadyEvent.subscribe(p_fn, p_obj, p_override); |
|
| 827 |
} |
|
| 887 |
// onDOMReady: function(fn, obj, overrideContext) {
|
|
| 888 |
onDOMReady: function() {
|
|
| 889 |
this.DOMReadyEvent.subscribe.apply(this.DOMReadyEvent, arguments); |
|
| 828 | 890 |
}, |
| 829 | 891 |
|
| 892 |
|
|
| 830 | 893 |
/** |
| 831 | 894 |
* Appends an event handler |
| 832 | 895 |
* |
| 833 |
* @method addListener |
|
| 896 |
* @method _addListener
|
|
| 834 | 897 |
* |
| 835 | 898 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element
|
| 836 | 899 |
* reference, or a collection of ids and/or elements to assign the |
| ... | ... | |
| 839 | 902 |
* @param {Function} fn The method the event invokes
|
| 840 | 903 |
* @param {Object} obj An arbitrary object that will be
|
| 841 | 904 |
* passed as a parameter to the handler |
| 842 |
* @param {Boolean|object} override If true, the obj passed in becomes
|
|
| 843 |
* the execution scope of the listener. If an
|
|
| 905 |
* @param {Boolean|object} overrideContext If true, the obj passed in becomes
|
|
| 906 |
* the execution context of the listener. If an
|
|
| 844 | 907 |
* object, this object becomes the execution |
| 845 |
* scope. |
|
| 908 |
* context. |
|
| 909 |
* @param {boolen} capture capture or bubble phase
|
|
| 846 | 910 |
* @return {Boolean} True if the action was successful or defered,
|
| 847 | 911 |
* false if one or more of the elements |
| 848 | 912 |
* could not have the listener attached, |
| 849 | 913 |
* or if the operation throws an exception. |
| 914 |
* @private |
|
| 850 | 915 |
* @static |
| 851 | 916 |
*/ |
| 852 |
addListener: function(el, sType, fn, obj, override) {
|
|
| 917 |
_addListener: function(el, sType, fn, obj, overrideContext, bCapture) {
|
|
| 853 | 918 |
|
| 854 | 919 |
if (!fn || !fn.call) {
|
| 855 |
// throw new TypeError(sType + " addListener call failed, callback undefined"); |
|
| 856 |
YAHOO.log(sType + " addListener call failed, invalid callback", "error", "Event"); |
|
| 920 |
YAHOO.log(sType + " addListener failed, invalid callback", "error", "Event"); |
|
| 857 | 921 |
return false; |
| 858 | 922 |
} |
| 859 | 923 |
|
| ... | ... | |
| 865 | 929 |
sType, |
| 866 | 930 |
fn, |
| 867 | 931 |
obj, |
| 868 |
override) && ok; |
|
| 932 |
overrideContext) && ok;
|
|
| 869 | 933 |
} |
| 870 | 934 |
return ok; |
| 871 | 935 |
|
| ... | ... | |
| 883 | 947 |
} else {
|
| 884 | 948 |
// defer adding the event until the element is available |
| 885 | 949 |
this.onAvailable(el, function() {
|
| 886 |
YAHOO.util.Event.on(el, sType, fn, obj, override);
|
|
| 950 |
YAHOO.util.Event._addListener(el, sType, fn, obj, overrideContext, bCapture);
|
|
| 887 | 951 |
}); |
| 888 | 952 |
|
| 889 | 953 |
return true; |
| ... | ... | |
| 903 | 967 |
// handles explicitly during our one unload event. |
| 904 | 968 |
if ("unload" == sType && obj !== this) {
|
| 905 | 969 |
unloadListeners[unloadListeners.length] = |
| 906 |
[el, sType, fn, obj, override]; |
|
| 970 |
[el, sType, fn, obj, overrideContext];
|
|
| 907 | 971 |
return true; |
| 908 | 972 |
} |
| 909 | 973 |
|
| 910 | 974 |
// this.logger.debug("Adding handler: " + el + ", " + sType);
|
| 911 | 975 |
|
| 912 |
// if the user chooses to override the scope, we use the custom
|
|
| 913 |
// object passed in, otherwise the executing scope will be the
|
|
| 976 |
// if the user chooses to override the context, we use the custom
|
|
| 977 |
// object passed in, otherwise the executing context will be the
|
|
| 914 | 978 |
// HTML element that the event is registered on |
| 915 |
var scope = el;
|
|
| 916 |
if (override) {
|
|
| 917 |
if (override === true) {
|
|
| 918 |
scope = obj;
|
|
| 979 |
var context = el;
|
|
| 980 |
if (overrideContext) {
|
|
| 981 |
if (overrideContext === true) {
|
|
| 982 |
context = obj;
|
|
| 919 | 983 |
} else {
|
| 920 |
scope = override;
|
|
| 984 |
context = overrideContext;
|
|
| 921 | 985 |
} |
| 922 | 986 |
} |
| 923 | 987 |
|
| 924 | 988 |
// wrap the function so we can return the obj object when |
| 925 | 989 |
// the event fires; |
| 926 | 990 |
var wrappedFn = function(e) {
|
| 927 |
return fn.call(scope, YAHOO.util.Event.getEvent(e, el),
|
|
| 991 |
return fn.call(context, YAHOO.util.Event.getEvent(e, el),
|
|
| 928 | 992 |
obj); |
| 929 | 993 |
}; |
| 930 | 994 |
|
| 931 |
var li = [el, sType, fn, wrappedFn, scope, obj, override];
|
|
| 995 |
var li = [el, sType, fn, wrappedFn, context, obj, overrideContext, bCapture];
|
|
| 932 | 996 |
var index = listeners.length; |
| 933 | 997 |
// cache the listener so we can try to automatically unload |
| 934 | 998 |
listeners[index] = li; |
| 935 | 999 |
|
| 936 |
if (this.useLegacyEvent(el, sType)) {
|
|
| 937 |
var legacyIndex = this.getLegacyIndex(el, sType); |
|
| 1000 |
try {
|
|
| 1001 |
this._simpleAdd(el, sType, wrappedFn, bCapture); |
|
| 1002 |
} catch(ex) {
|
|
| 1003 |
// handle an error trying to attach an event. If it fails |
|
| 1004 |
// we need to clean up the cache |
|
| 1005 |
this.lastError = ex; |
|
| 1006 |
this.removeListener(el, sType, fn); |
|
| 1007 |
return false; |
|
| 1008 |
} |
|
| 938 | 1009 |
|
| 939 |
// Add a new dom0 wrapper if one is not detected for this |
|
| 940 |
// element |
|
| 941 |
if ( legacyIndex == -1 || |
|
| 942 |
el != legacyEvents[legacyIndex][0] ) {
|
|
| 1010 |
return true; |
|
| 1011 |
|
|
| 1012 |
}, |
|
| 943 | 1013 |
|
| 944 |
legacyIndex = legacyEvents.length; |
|
| 945 |
legacyMap[el.id + sType] = legacyIndex; |
|
| 1014 |
/** |
|
| 1015 |
* Checks to see if the type requested is a special type |
|
| 1016 |
* (as defined by the _specialTypes hash), and (if so) returns |
|
| 1017 |
* the special type name. |
|
| 1018 |
* |
|
| 1019 |
* @method _getType |
|
| 1020 |
* |
|
| 1021 |
* @param {String} sType The type to look up
|
|
| 1022 |
* @private |
|
| 1023 |
*/ |
|
| 1024 |
_getType: function (type) {
|
|
| 1025 |
|
|
| 1026 |
return this._specialTypes[type] || type; |
|
| 1027 |
|
|
| 1028 |
}, |
|
| 946 | 1029 |
|
| 947 |
// cache the signature for the DOM0 event, and |
|
| 948 |
// include the existing handler for the event, if any |
|
| 949 |
legacyEvents[legacyIndex] = |
|
| 950 |
[el, sType, el["on" + sType]]; |
|
| 951 |
legacyHandlers[legacyIndex] = []; |
|
| 952 | 1030 |
|
| 953 |
el["on" + sType] = |
|
| 954 |
function(e) {
|
|
| 955 |
YAHOO.util.Event.fireLegacyEvent( |
|
| 956 |
YAHOO.util.Event.getEvent(e), legacyIndex); |
|
| 957 |
}; |
|
| 958 |
} |
|
| 1031 |
/** |
|
| 1032 |
* Appends an event handler |
|
| 1033 |
* |
|
| 1034 |
* @method addListener |
|
| 1035 |
* |
|
| 1036 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element
|
|
| 1037 |
* reference, or a collection of ids and/or elements to assign the |
|
| 1038 |
* listener to. |
|
| 1039 |
* @param {String} sType The type of event to append
|
|
| 1040 |
* @param {Function} fn The method the event invokes
|
|
| 1041 |
* @param {Object} obj An arbitrary object that will be
|
|
| 1042 |
* passed as a parameter to the handler |
|
| 1043 |
* @param {Boolean|object} overrideContext If true, the obj passed in becomes
|
|
| 1044 |
* the execution context of the listener. If an |
|
| 1045 |
* object, this object becomes the execution |
|
| 1046 |
* context. |
|
| 1047 |
* @return {Boolean} True if the action was successful or defered,
|
|
| 1048 |
* false if one or more of the elements |
|
| 1049 |
* could not have the listener attached, |
|
| 1050 |
* or if the operation throws an exception. |
|
| 1051 |
* @static |
|
| 1052 |
*/ |
|
| 1053 |
addListener: function (el, sType, fn, obj, overrideContext) {
|
|
| 959 | 1054 |
|
| 960 |
// add a reference to the wrapped listener to our custom |
|
| 961 |
// stack of events |
|
| 962 |
//legacyHandlers[legacyIndex].push(index); |
|
| 963 |
legacyHandlers[legacyIndex].push(li); |
|
| 1055 |
var capture = ((sType == FOCUSIN || sType == FOCUSOUT) && !YAHOO.env.ua.ie) ? true : false; |
|
| 964 | 1056 |
|
| 965 |
} else {
|
|
| 966 |
try {
|
|
| 967 |
this._simpleAdd(el, sType, wrappedFn, false); |
|
| 968 |
} catch(ex) {
|
|
| 969 |
// handle an error trying to attach an event. If it fails |
|
| 970 |
// we need to clean up the cache |
|
| 971 |
this.lastError = ex; |
|
| 972 |
this.removeListener(el, sType, fn); |
|
| 973 |
return false; |
|
| 974 |
} |
|
| 975 |
} |
|
| 1057 |
return this._addListener(el, this._getType(sType), fn, obj, overrideContext, capture); |
|
| 976 | 1058 |
|
| 977 |
return true; |
|
| 978 |
|
|
| 979 |
}, |
|
| 1059 |
}, |
|
| 980 | 1060 |
|
| 1061 |
|
|
| 981 | 1062 |
/** |
| 982 |
* When using legacy events, the handler is routed to this object |
|
| 983 |
* so we can fire our custom listener stack. |
|
| 984 |
* @method fireLegacyEvent |
|
| 1063 |
* Attaches a focusin event listener to the specified element for |
|
| 1064 |
* the purpose of listening for the focus event on the element's |
|
| 1065 |
* descendants. |
|
| 1066 |
* @method addFocusListener |
|
| 1067 |
* |
|
| 1068 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element
|
|
| 1069 |
* reference, or a collection of ids and/or elements to assign the |
|
| 1070 |
* listener to. |
|
| 1071 |
* @param {Function} fn The method the event invokes
|
|
| 1072 |
* @param {Object} obj An arbitrary object that will be
|
|
| 1073 |
* passed as a parameter to the handler |
|
| 1074 |
* @param {Boolean|object} overrideContext If true, the obj passed in becomes
|
|
| 1075 |
* the execution context of the listener. If an |
|
| 1076 |
* object, this object becomes the execution |
|
| 1077 |
* context. |
|
| 1078 |
* @return {Boolean} True if the action was successful or defered,
|
|
| 1079 |
* false if one or more of the elements |
|
| 1080 |
* could not have the listener attached, |
|
| 1081 |
* or if the operation throws an exception. |
|
| 985 | 1082 |
* @static |
| 986 |
* @private
|
|
| 1083 |
* @deprecated use YAHOO.util.Event.on and specify "focusin" as the event type.
|
|
| 987 | 1084 |
*/ |
| 988 |
fireLegacyEvent: function(e, legacyIndex) {
|
|
| 989 |
// this.logger.debug("fireLegacyEvent " + legacyIndex);
|
|
| 990 |
var ok=true,le,lh,li,scope,ret; |
|
| 991 |
|
|
| 992 |
lh = legacyHandlers[legacyIndex]; |
|
| 993 |
for (var i=0,len=lh.length; i<len; ++i) {
|
|
| 994 |
li = lh[i]; |
|
| 995 |
if ( li && li[this.WFN] ) {
|
|
| 996 |
scope = li[this.ADJ_SCOPE]; |
|
| 997 |
ret = li[this.WFN].call(scope, e); |
|
| 998 |
ok = (ok && ret); |
|
| 999 |
} |
|
| 1000 |
} |
|
| 1085 |
addFocusListener: function (el, fn, obj, overrideContext) {
|
|
| 1086 |
return this.on(el, FOCUSIN, fn, obj, overrideContext); |
|
| 1087 |
}, |
|
| 1001 | 1088 |
|
| 1002 |
// Fire the original handler if we replaced one. We fire this |
|
| 1003 |
// after the other events to keep stopPropagation/preventDefault |
|
| 1004 |
// that happened in the DOM0 handler from touching our DOM2 |
|
| 1005 |
// substitute |
|
| 1006 |
le = legacyEvents[legacyIndex]; |
|
| 1007 |
if (le && le[2]) {
|
|
| 1008 |
le[2](e); |
|
| 1009 |
} |
|
| 1010 |
|
|
| 1011 |
return ok; |
|
| 1012 |
}, |
|
| 1013 | 1089 |
|
| 1014 | 1090 |
/** |
| 1015 |
* Returns the legacy event index that matches the supplied |
|
| 1016 |
* signature |
|
| 1017 |
* @method getLegacyIndex |
|
| 1091 |
* Removes a focusin event listener to the specified element for |
|
| 1092 |
* the purpose of listening for the focus event on the element's |
|
| 1093 |
* descendants. |
|
| 1094 |
* |
|
| 1095 |
* @method removeFocusListener |
|
| 1096 |
* |
|
| 1097 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element
|
|
| 1098 |
* reference, or a collection of ids and/or elements to remove |
|
| 1099 |
* the listener from. |
|
| 1100 |
* @param {Function} fn the method the event invokes. If fn is
|
|
| 1101 |
* undefined, then all event handlers for the type of event are |
|
| 1102 |
* removed. |
|
| 1103 |
* @return {boolean} true if the unbind was successful, false
|
|
| 1104 |
* otherwise. |
|
| 1018 | 1105 |
* @static |
| 1019 |
* @private
|
|
| 1106 |
* @deprecated use YAHOO.util.Event.removeListener and specify "focusin" as the event type.
|
|
| 1020 | 1107 |
*/ |
| 1021 |
getLegacyIndex: function(el, sType) {
|
|
| 1022 |
var key = this.generateId(el) + sType; |
|
| 1023 |
if (typeof legacyMap[key] == "undefined") {
|
|
| 1024 |
return -1; |
|
| 1025 |
} else {
|
|
| 1026 |
return legacyMap[key]; |
|
| 1027 |
} |
|
| 1108 |
removeFocusListener: function (el, fn) {
|
|
| 1109 |
return this.removeListener(el, FOCUSIN, fn); |
|
| 1028 | 1110 |
}, |
| 1029 | 1111 |
|
| 1030 | 1112 |
/** |
| 1031 |
* Logic that determines when we should automatically use legacy |
|
| 1032 |
* events instead of DOM2 events. Currently this is limited to old |
|
| 1033 |
* Safari browsers with a broken preventDefault |
|
| 1034 |
* @method useLegacyEvent |
|
| 1113 |
* Attaches a focusout event listener to the specified element for |
|
| 1114 |
* the purpose of listening for the blur event on the element's |
|
| 1115 |
* descendants. |
|
| 1116 |
* |
|
| 1117 |
* @method addBlurListener |
|
| 1118 |
* |
|
| 1119 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element
|
|
| 1120 |
* reference, or a collection of ids and/or elements to assign the |
|
| 1121 |
* listener to. |
|
| 1122 |
* @param {Function} fn The method the event invokes
|
|
| 1123 |
* @param {Object} obj An arbitrary object that will be
|
|
| 1124 |
* passed as a parameter to the handler |
|
| 1125 |
* @param {Boolean|object} overrideContext If true, the obj passed in becomes
|
|
| 1126 |
* the execution context of the listener. If an |
|
| 1127 |
* object, this object becomes the execution |
|
| 1128 |
* context. |
|
| 1129 |
* @return {Boolean} True if the action was successful or defered,
|
|
| 1130 |
* false if one or more of the elements |
|
| 1131 |
* could not have the listener attached, |
|
| 1132 |
* or if the operation throws an exception. |
|
| 1035 | 1133 |
* @static |
| 1036 |
* @private
|
|
| 1134 |
* @deprecated use YAHOO.util.Event.on and specify "focusout" as the event type.
|
|
| 1037 | 1135 |
*/ |
| 1038 |
useLegacyEvent: function(el, sType) {
|
|
| 1039 |
if (this.webkit && ("click"==sType || "dblclick"==sType)) {
|
|
| 1040 |
var v = parseInt(this.webkit, 10); |
|
| 1041 |
if (!isNaN(v) && v<418) {
|
|
| 1042 |
return true; |
|
| 1043 |
} |
|
| 1044 |
} |
|
| 1045 |
return false; |
|
| 1136 |
addBlurListener: function (el, fn, obj, overrideContext) {
|
|
| 1137 |
return this.on(el, FOCUSOUT, fn, obj, overrideContext); |
|
| 1138 |
}, |
|
| 1139 |
|
|
| 1140 |
/** |
|
| 1141 |
* Removes a focusout event listener to the specified element for |
|
| 1142 |
* the purpose of listening for the blur event on the element's |
|
| 1143 |
* descendants. |
|
| 1144 |
* |
|
| 1145 |
* @method removeBlurListener |
|
| 1146 |
* |
|
| 1147 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element
|
|
| 1148 |
* reference, or a collection of ids and/or elements to remove |
|
| 1149 |
* the listener from. |
|
| 1150 |
* @param {Function} fn the method the event invokes. If fn is
|
|
| 1151 |
* undefined, then all event handlers for the type of event are |
|
| 1152 |
* removed. |
|
| 1153 |
* @return {boolean} true if the unbind was successful, false
|
|
| 1154 |
* otherwise. |
|
| 1155 |
* @static |
|
| 1156 |
* @deprecated use YAHOO.util.Event.removeListener and specify "focusout" as the event type. |
|
| 1157 |
*/ |
|
| 1158 |
removeBlurListener: function (el, fn) {
|
|
| 1159 |
return this.removeListener(el, FOCUSOUT, fn); |
|
| 1046 | 1160 |
}, |
| 1047 |
|
|
| 1161 |
|
|
| 1048 | 1162 |
/** |
| 1049 | 1163 |
* Removes an event listener |
| 1050 | 1164 |
* |
| ... | ... | |
| 1064 | 1178 |
removeListener: function(el, sType, fn) {
|
| 1065 | 1179 |
var i, len, li; |
| 1066 | 1180 |
|
| 1181 |
sType = this._getType(sType); |
|
| 1182 |
|
|
| 1067 | 1183 |
// The el argument can be a string |
| 1068 | 1184 |
if (typeof el == "string") {
|
| 1069 | 1185 |
el = this.getEl(el); |
| 1070 | 1186 |
// The el argument can be an array of elements or element ids. |
| 1071 | 1187 |
} else if ( this._isValidCollection(el)) {
|
| 1072 | 1188 |
var ok = true; |
| 1073 |
for (i=0,len=el.length; i<len; ++i) {
|
|
| 1189 |
for (i=el.length-1; i>-1; i--) {
|
|
| 1074 | 1190 |
ok = ( this.removeListener(el[i], sType, fn) && ok ); |
| 1075 | 1191 |
} |
| 1076 | 1192 |
return ok; |
| ... | ... | |
| 1084 | 1200 |
|
| 1085 | 1201 |
if ("unload" == sType) {
|
| 1086 | 1202 |
|
| 1087 |
for (i=0, len=unloadListeners.length; i<len; i++) {
|
|
| 1203 |
for (i=unloadListeners.length-1; i>-1; i--) {
|
|
| 1088 | 1204 |
li = unloadListeners[i]; |
| 1089 | 1205 |
if (li && |
| 1090 | 1206 |
li[0] == el && |
| 1091 | 1207 |
li[1] == sType && |
| 1092 | 1208 |
li[2] == fn) {
|
| 1093 |
//unloadListeners.splice(i, 1);
|
|
| 1094 |
unloadListeners[i]=null; |
|
| 1209 |
unloadListeners.splice(i, 1); |
|
| 1210 |
// unloadListeners[i]=null;
|
|
| 1095 | 1211 |
return true; |
| 1096 | 1212 |
} |
| 1097 | 1213 |
} |
| ... | ... | |
| 1107 | 1223 |
var index = arguments[3]; |
| 1108 | 1224 |
|
| 1109 | 1225 |
if ("undefined" === typeof index) {
|
| 1110 |
index = this._getCacheIndex(el, sType, fn); |
|
| 1226 |
index = this._getCacheIndex(listeners, el, sType, fn);
|
|
| 1111 | 1227 |
} |
| 1112 | 1228 |
|
| 1113 | 1229 |
if (index >= 0) {
|
| ... | ... | |
| 1121 | 1237 |
|
| 1122 | 1238 |
// this.logger.debug("Removing handler: " + el + ", " + sType);
|
| 1123 | 1239 |
|
| 1124 |
if (this.useLegacyEvent(el, sType)) {
|
|
| 1125 |
var legacyIndex = this.getLegacyIndex(el, sType); |
|
| 1126 |
var llist = legacyHandlers[legacyIndex]; |
|
| 1127 |
if (llist) {
|
|
| 1128 |
for (i=0, len=llist.length; i<len; ++i) {
|
|
| 1129 |
li = llist[i]; |
|
| 1130 |
if (li && |
|
| 1131 |
li[this.EL] == el && |
|
| 1132 |
li[this.TYPE] == sType && |
|
| 1133 |
li[this.FN] == fn) {
|
|
| 1134 |
//llist.splice(i, 1); |
|
| 1135 |
llist[i]=null; |
|
| 1136 |
break; |
|
| 1137 |
} |
|
| 1138 |
} |
|
| 1139 |
} |
|
| 1240 |
var bCapture = cacheItem[this.CAPTURE] === true ? true : false; |
|
| 1140 | 1241 |
|
| 1141 |
} else {
|
|
| 1142 |
try {
|
|
| 1143 |
this._simpleRemove(el, sType, cacheItem[this.WFN], false); |
|
| 1144 |
} catch(ex) {
|
|
| 1145 |
this.lastError = ex; |
|
| 1146 |
return false; |
|
| 1147 |
} |
|
| 1242 |
try {
|
|
| 1243 |
this._simpleRemove(el, sType, cacheItem[this.WFN], bCapture); |
|
| 1244 |
} catch(ex) {
|
|
| 1245 |
this.lastError = ex; |
|
| 1246 |
return false; |
|
| 1148 | 1247 |
} |
| 1149 | 1248 |
|
| 1150 | 1249 |
// removed the wrapped handler |
| 1151 | 1250 |
delete listeners[index][this.WFN]; |
| 1152 | 1251 |
delete listeners[index][this.FN]; |
| 1153 |
//listeners.splice(index, 1);
|
|
| 1154 |
listeners[index]=null; |
|
| 1252 |
listeners.splice(index, 1); |
|
| 1253 |
// listeners[index]=null;
|
|
| 1155 | 1254 |
|
| 1156 | 1255 |
return true; |
| 1157 | 1256 |
|
| ... | ... | |
| 1184 | 1283 |
* @return {HTMLElement} the normized node
|
| 1185 | 1284 |
* @static |
| 1186 | 1285 |
*/ |
| 1187 |
resolveTextNode: function(node) {
|
|
| 1188 |
if (node && 3 == node.nodeType) {
|
|
| 1189 |
return node.parentNode; |
|
| 1190 |
} else {
|
|
| 1191 |
return node; |
|
| 1192 |
} |
|
| 1286 |
resolveTextNode: function(n) {
|
|
| 1287 |
try {
|
|
| 1288 |
if (n && 3 == n.nodeType) {
|
|
| 1289 |
return n.parentNode; |
|
| 1290 |
} |
|
| 1291 |
} catch(e) { }
|
|
| 1292 |
|
|
| 1293 |
return n; |
|
| 1193 | 1294 |
}, |
| 1194 | 1295 |
|
| 1195 | 1296 |
/** |
| ... | ... | |
| 1351 | 1452 |
} |
| 1352 | 1453 |
} |
| 1353 | 1454 |
|
| 1354 |
// IE events that target non-browser objects (e.g., VML |
|
| 1355 |
// canvas) will sometimes throw errors when you try to |
|
| 1356 |
// inspect the properties of the event target. We try to |
|
| 1357 |
// detect this condition, and provide a dummy target (the bound |
|
| 1358 |
// element) to eliminate spurious errors. |
|
| 1359 |
|
|
| 1360 |
// the implementation caused unexpected results in some |
|
| 1361 |
// implementations, so this has been rolled back for now |
|
| 1362 |
/* |
|
| 1363 |
if (ev && this.isIE) {
|
|
| 1364 |
|
|
| 1365 |
try {
|
|
| 1366 |
|
|
| 1367 |
var el = ev.srcElement; |
|
| 1368 |
|
|
| 1369 |
} catch(ex) {
|
|
| 1370 |
|
|
| 1371 |
YAHOO.log("Inspecting the target caused an error, " +
|
|
| 1372 |
"setting the target to the bound element.", "warn"); |
|
| 1373 |
|
|
| 1374 |
ev.target = boundEl; |
|
| 1375 |
} |
|
| 1376 |
|
|
| 1377 |
} |
|
| 1378 |
*/ |
|
| 1379 |
|
|
| 1380 | 1455 |
return ev; |
| 1381 | 1456 |
}, |
| 1382 | 1457 |
|
| ... | ... | |
| 1390 | 1465 |
getCharCode: function(ev) {
|
| 1391 | 1466 |
var code = ev.keyCode || ev.charCode || 0; |
| 1392 | 1467 |
|
| 1393 |
// webkit normalization |
|
| 1468 |
// webkit key normalization
|
|
| 1394 | 1469 |
if (YAHOO.env.ua.webkit && (code in webkitKeymap)) {
|
| 1395 | 1470 |
code = webkitKeymap[code]; |
| 1396 | 1471 |
} |
| ... | ... | |
| 1404 | 1479 |
* @static |
| 1405 | 1480 |
* @private |
| 1406 | 1481 |
*/ |
| 1407 |
_getCacheIndex: function(el, sType, fn) {
|
|
| 1408 |
for (var i=0,len=listeners.length; i<len; ++i) {
|
|
| 1409 |
var li = listeners[i];
|
|
| 1482 |
_getCacheIndex: function(a, el, sType, fn) {
|
|
| 1483 |
for (var i=0, l=a.length; i<l; i=i+1) {
|
|
| 1484 |
var li = a[i];
|
|
| 1410 | 1485 |
if ( li && |
| 1411 | 1486 |
li[this.FN] == fn && |
| 1412 | 1487 |
li[this.EL] == el && |
| ... | ... | |
| 1460 | 1535 |
!o.alert && // o is not a window |
| 1461 | 1536 |
typeof o[0] !== "undefined" ); |
| 1462 | 1537 |
} catch(ex) {
|
| 1463 |
YAHOO.log("_isValidCollection error, assuming that " +
|
|
| 1464 |
" this is a cross frame problem and not a collection", "warn"); |
|
| 1538 |
YAHOO.log("node access error (xframe?)", "warn");
|
|
| 1465 | 1539 |
return false; |
| 1466 | 1540 |
} |
| 1467 | 1541 |
|
| ... | ... | |
| 1502 | 1576 |
* Custom event the fires when the dom is initially usable |
| 1503 | 1577 |
* @event DOMReadyEvent |
| 1504 | 1578 |
*/ |
| 1505 |
DOMReadyEvent: new YAHOO.util.CustomEvent("DOMReady", this),
|
|
| 1579 |
DOMReadyEvent: new YAHOO.util.CustomEvent("DOMReady", YAHOO, 0, 0, 1),
|
|
| 1506 | 1580 |
|
| 1507 | 1581 |
/** |
| 1508 | 1582 |
* hook up any deferred listeners |
| ... | ... | |
| 1525 | 1599 |
// before the window load notification |
| 1526 | 1600 |
EU._tryPreloadAttach(); |
| 1527 | 1601 |
|
| 1528 |
// Remove the listener to assist with the IE memory issue, but not |
|
| 1529 |
// for other browsers because FF 1.0x does not like it. |
|
| 1530 |
//if (this.isIE) {
|
|
| 1531 |
//EU._simpleRemove(window, "load", EU._load); |
|
| 1532 |
//} |
|
| 1533 | 1602 |
} |
| 1534 | 1603 |
}, |
| 1535 | 1604 |
|
| ... | ... | |
| 1563 | 1632 |
*/ |
| 1564 | 1633 |
_tryPreloadAttach: function() {
|
| 1565 | 1634 |
|
| 1635 |
if (onAvailStack.length === 0) {
|
|
| 1636 |
retryCount = 0; |
|
| 1637 |
if (this._interval) {
|
|
| 1638 |
// clearInterval(this._interval); |
|
| 1639 |
this._interval.cancel(); |
|
| 1640 |
this._interval = null; |
|
| 1641 |
} |
|
| 1642 |
return; |
|
| 1643 |
} |
|
| 1644 |
|
|
| 1566 | 1645 |
if (this.locked) {
|
| 1567 |
return false;
|
|
| 1646 |
return; |
|
| 1568 | 1647 |
} |
| 1569 | 1648 |
|
| 1570 | 1649 |
if (this.isIE) {
|
| 1571 | 1650 |
// Hold off if DOMReady has not fired and check current |
| 1572 | 1651 |
// readyState to protect against the IE operation aborted |
| 1573 | 1652 |
// issue. |
| 1574 |
//if (!this.DOMReady || "complete" !== document.readyState) {
|
|
| 1575 | 1653 |
if (!this.DOMReady) {
|
| 1576 | 1654 |
this.startInterval(); |
| 1577 |
return false;
|
|
| 1655 |
return; |
|
| 1578 | 1656 |
} |
| 1579 | 1657 |
} |
| 1580 | 1658 |
|
| ... | ... | |
| 1588 | 1666 |
// tested appropriately |
| 1589 | 1667 |
var tryAgain = !loadComplete; |
| 1590 | 1668 |
if (!tryAgain) {
|
| 1591 |
tryAgain = (retryCount > 0); |
|
| 1669 |
tryAgain = (retryCount > 0 && onAvailStack.length > 0);
|
|
| 1592 | 1670 |
} |
| 1593 | 1671 |
|
| 1594 | 1672 |
// onAvailable |
| 1595 | 1673 |
var notAvail = []; |
| 1596 | 1674 |
|
| 1597 | 1675 |
var executeItem = function (el, item) {
|
| 1598 |
var scope = el;
|
|
| 1599 |
if (item.override) {
|
|
| 1600 |
if (item.override === true) {
|
|
| 1601 |
scope = item.obj;
|
|
| 1676 |
var context = el;
|
|
| 1677 |
if (item.overrideContext) {
|
|
| 1678 |
if (item.overrideContext === true) {
|
|
| 1679 |
context = item.obj;
|
|
| 1602 | 1680 |
} else {
|
| 1603 |
scope = item.override;
|
|
| 1681 |
context = item.overrideContext;
|
|
| 1604 | 1682 |
} |
| 1605 | 1683 |
} |
| 1606 |
item.fn.call(scope, item.obj);
|
|
| 1684 |
item.fn.call(context, item.obj);
|
|
| 1607 | 1685 |
}; |
| 1608 | 1686 |
|
| 1609 |
var i,len,item,el;
|
|
| 1687 |
var i, len, item, el, ready=[];
|
|
| 1610 | 1688 |
|
| 1611 |
// onAvailable |
|
| 1612 |
for (i=0,len=onAvailStack.length; i<len; ++i) {
|
|
| 1689 |
// onAvailable onContentReady
|
|
| 1690 |
for (i=0, len=onAvailStack.length; i<len; i=i+1) {
|
|
| 1613 | 1691 |
item = onAvailStack[i]; |
| 1614 |
if (item && !item.checkReady) {
|
|
| 1692 |
if (item) {
|
|
| 1615 | 1693 |
el = this.getEl(item.id); |
| 1616 | 1694 |
if (el) {
|
| 1617 |
executeItem(el, item); |
|
| 1618 |
onAvailStack[i] = null; |
|
| 1619 |
} else {
|
|
| 1620 |
notAvail.push(item); |
|
| 1621 |
} |
|
| 1622 |
} |
|
| 1623 |
} |
|
| 1624 |
|
|
| 1625 |
// onContentReady |
|
| 1626 |
for (i=0,len=onAvailStack.length; i<len; ++i) {
|
|
| 1627 |
item = onAvailStack[i]; |
|
| 1628 |
if (item && item.checkReady) {
|
|
| 1629 |
el = this.getEl(item.id); |
|
| 1630 |
|
|
| 1631 |
if (el) {
|
|
| 1632 |
// The element is available, but not necessarily ready |
|
| 1633 |
// @todo should we test parentNode.nextSibling? |
|
| 1634 |
if (loadComplete || el.nextSibling) {
|
|
| 1695 |
if (item.checkReady) {
|
|
| 1696 |
if (loadComplete || el.nextSibling || !tryAgain) {
|
|
| 1697 |
ready.push(item); |
|
| 1698 |
onAvailStack[i] = null; |
|
| 1699 |
} |
|
| 1700 |
} else {
|
|
| 1635 | 1701 |
executeItem(el, item); |
| 1636 | 1702 |
onAvailStack[i] = null; |
| 1637 | 1703 |
} |
| ... | ... | |
| 1640 | 1706 |
} |
| 1641 | 1707 |
} |
| 1642 | 1708 |
} |
| 1709 |
|
|
| 1710 |
// make sure onContentReady fires after onAvailable |
|
| 1711 |
for (i=0, len=ready.length; i<len; i=i+1) {
|
|
| 1712 |
item = ready[i]; |
|
| 1713 |
executeItem(this.getEl(item.id), item); |
|
| 1714 |
} |
|
| 1643 | 1715 |
|
| 1644 |
retryCount = (notAvail.length === 0) ? 0 : retryCount - 1; |
|
| 1645 | 1716 |
|
| 1717 |
retryCount--; |
|
| 1718 |
|
|
| 1646 | 1719 |
if (tryAgain) {
|
| 1647 |
// we may need to strip the nulled out items here |
|
| 1720 |
for (i=onAvailStack.length-1; i>-1; i--) {
|
|
| 1721 |
item = onAvailStack[i]; |
|
| 1722 |
if (!item || !item.id) {
|
|
| 1723 |
onAvailStack.splice(i, 1); |
|
| 1724 |
} |
|
| 1725 |
} |
|
| 1726 |
|
|
| 1648 | 1727 |
this.startInterval(); |
| 1649 | 1728 |
} else {
|
| 1650 |
clearInterval(this._interval); |
|
| 1651 |
this._interval = null; |
|
| 1729 |
if (this._interval) {
|
|
| 1730 |
// clearInterval(this._interval); |
|
| 1731 |
this._interval.cancel(); |
|
| 1732 |
this._interval = null; |
|
| 1733 |
} |
|
| 1652 | 1734 |
} |
| 1653 | 1735 |
|
| 1654 | 1736 |
this.locked = false; |
| 1655 | 1737 |
|
| 1656 |
return true; |
|
| 1657 |
|
|
| 1658 | 1738 |
}, |
| 1659 | 1739 |
|
| 1660 | 1740 |
/** |
| ... | ... | |
| 1673 | 1753 |
var oEl = (YAHOO.lang.isString(el)) ? this.getEl(el) : el; |
| 1674 | 1754 |
var elListeners = this.getListeners(oEl, sType), i, len; |
| 1675 | 1755 |
if (elListeners) {
|
| 1676 |
for (i=0,len=elListeners.length; i<len ; ++i) {
|
|
| 1756 |
for (i=elListeners.length-1; i>-1; i--) {
|
|
| 1677 | 1757 |
var l = elListeners[i]; |
| 1678 |
// can't use the index on the changing collection |
|
| 1679 |
this.removeListener(oEl, l.type, l.fn, l.index); |
|
| 1680 |
//this.removeListener(oEl, l.type, l.fn); |
|
| 1758 |
this.removeListener(oEl, l.type, l.fn); |
|
| 1681 | 1759 |
} |
| 1682 | 1760 |
} |
| 1683 | 1761 |
|
| ... | ... | |
| 1699 | 1777 |
* type: (string) the type of event |
| 1700 | 1778 |
* fn: (function) the callback supplied to addListener |
| 1701 | 1779 |
* obj: (object) the custom object supplied to addListener |
| 1702 |
* adjust: (boolean|object) whether or not to adjust the default scope
|
|
| 1703 |
* scope: (boolean) the derived scope based on the adjust parameter
|
|
| 1780 |
* adjust: (boolean|object) whether or not to adjust the default context
|
|
| 1781 |
* scope: (boolean) the derived context based on the adjust parameter
|
|
| 1704 | 1782 |
* index: (int) its position in the Event util listener cache |
| 1705 | 1783 |
* @static |
| 1706 | 1784 |
*/ |
| ... | ... | |
| 1711 | 1789 |
} else if (sType === "unload") {
|
| 1712 | 1790 |
searchLists = [unloadListeners]; |
| 1713 | 1791 |
} else {
|
| 1792 |
sType = this._getType(sType); |
|
| 1714 | 1793 |
searchLists = [listeners]; |
| 1715 | 1794 |
} |
| 1716 | 1795 |
|
| ... | ... | |
| 1718 | 1797 |
|
Also available in: Unified diff
updated YUI 2.4.1 to 2.8.0r4