Revision 1289
Added by kweitzel over 14 years ago
event.js | ||
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/* |
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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: |
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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: |
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* 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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* 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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43 | 46 |
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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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* 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> |
... | ... | |
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* true otherwise |
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*/ |
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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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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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return true;
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} |
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if (!this.silent) { |
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} |
230 | 274 |
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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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233 | 281 |
if (!s) { |
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rebuild=true; |
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} else { |
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if (!this.silent) { |
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} |
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238 | 284 |
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var scope = s.getScope(this.scope);
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ret = this.notify(s, args);
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240 | 286 |
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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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} |
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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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} |
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} |
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if (false === ret) { |
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if (!this.silent) { |
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} |
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//break; |
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return false; |
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break; |
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} |
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} |
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} |
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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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} |
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if (this.signature == YAHOO.util.CustomEvent.FLAT) { |
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if (args.length > 0) { |
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param = args[0]; |
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} |
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this.subscribers=newlist; |
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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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// errors.push(e); |
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if (throwErrors) { |
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throw e; |
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} |
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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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if (throwErrors) { |
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throw ex; |
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} |
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} |
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} |
277 | 332 |
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return true;
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return ret;
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}, |
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/** |
... | ... | |
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* @return {int} The number of listeners unsubscribed |
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*/ |
286 | 341 |
unsubscribeAll: function() { |
287 |
for (var i=0, len=this.subscribers.length; i<len; ++i) { |
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this._delete(len - 1 - i); |
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var l = this.subscribers.length, i; |
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for (i=l-1; i>-1; i--) { |
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this._delete(i); |
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} |
290 | 346 |
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this.subscribers=[]; |
292 | 348 |
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return i;
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return l;
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294 | 350 |
}, |
295 | 351 |
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296 | 352 |
/** |
... | ... | |
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delete s.obj; |
305 | 361 |
} |
306 | 362 |
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this.subscribers[index]=null; |
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// this.subscribers[index]=null; |
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this.subscribers.splice(index, 1); |
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308 | 365 |
}, |
309 | 366 |
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310 | 367 |
/** |
... | ... | |
312 | 369 |
*/ |
313 | 370 |
toString: function() { |
314 | 371 |
return "CustomEvent: " + "'" + this.type + "', " + |
315 |
"scope: " + this.scope;
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"context: " + this.scope;
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316 | 373 |
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317 | 374 |
} |
318 | 375 |
}; |
... | ... | |
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* Stores the subscriber information to be used when the event fires. |
324 | 381 |
* @param {Function} fn The function to execute |
325 | 382 |
* @param {Object} obj An object to be passed along when the event fires |
326 |
* @param {boolean} override If true, the obj passed in becomes the execution |
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* scope of the listener
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* @param {boolean} overrideContext If true, the obj passed in becomes the execution
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* context of the listener
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328 | 385 |
* @class Subscriber |
329 | 386 |
* @constructor |
330 | 387 |
*/ |
331 |
YAHOO.util.Subscriber = function(fn, obj, override) { |
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388 |
YAHOO.util.Subscriber = function(fn, obj, overrideContext) {
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332 | 389 |
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333 | 390 |
/** |
334 | 391 |
* The callback that will be execute when the event fires |
... | ... | |
346 | 403 |
this.obj = YAHOO.lang.isUndefined(obj) ? null : obj; |
347 | 404 |
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348 | 405 |
/** |
349 |
* The default execution scope for the event listener is defined when the
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* The default execution context for the event listener is defined when the
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350 | 407 |
* event is created (usually the object which contains the event). |
351 |
* By setting override to true, the execution scope becomes the custom
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* object passed in by the subscriber. If override is an object, that |
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* object becomes the scope.
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* @property override |
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* By setting overrideContext to true, the execution context becomes the custom
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* object passed in by the subscriber. If overrideContext is an object, that
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* object becomes the context.
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* @property overrideContext
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355 | 412 |
* @type boolean|object |
356 | 413 |
*/ |
357 |
this.override = override;
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414 |
this.overrideContext = overrideContext;
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358 | 415 |
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359 | 416 |
}; |
360 | 417 |
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361 | 418 |
/** |
362 |
* Returns the execution scope for this listener. If override was set to true
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363 |
* the custom obj will be the scope. If override is an object, that is the
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* scope, otherwise the default scope will be used.
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* Returns the execution context for this listener. If overrideContext was set to true
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420 |
* the custom obj will be the context. If overrideContext is an object, that is the
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421 |
* context, otherwise the default context will be used.
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365 | 422 |
* @method getScope |
366 |
* @param {Object} defaultScope the scope to use if this listener does not
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423 |
* @param {Object} defaultScope the context to use if this listener does not
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367 | 424 |
* override it. |
368 | 425 |
*/ |
369 | 426 |
YAHOO.util.Subscriber.prototype.getScope = function(defaultScope) { |
370 |
if (this.override) { |
|
371 |
if (this.override === true) { |
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427 |
if (this.overrideContext) {
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428 |
if (this.overrideContext === true) {
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372 | 429 |
return this.obj; |
373 | 430 |
} else { |
374 |
return this.override; |
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431 |
return this.overrideContext;
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375 | 432 |
} |
376 | 433 |
} |
377 | 434 |
return defaultScope; |
... | ... | |
400 | 457 |
*/ |
401 | 458 |
YAHOO.util.Subscriber.prototype.toString = function() { |
402 | 459 |
return "Subscriber { obj: " + this.obj + |
403 |
", override: " + (this.override || "no") + " }";
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460 |
", overrideContext: " + (this.overrideContext || "no") + " }";
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404 | 461 |
}; |
405 | 462 |
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406 | 463 |
/** |
... | ... | |
436 | 493 |
* @static |
437 | 494 |
* @private |
438 | 495 |
*/ |
439 |
var loadComplete = false;
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496 |
var loadComplete = false,
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440 | 497 |
|
441 | 498 |
/** |
442 | 499 |
* Cache of wrapped listeners |
... | ... | |
445 | 502 |
* @static |
446 | 503 |
* @private |
447 | 504 |
*/ |
448 |
var listeners = [];
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505 |
listeners = [],
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449 | 506 |
|
507 |
|
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450 | 508 |
/** |
451 | 509 |
* User-defined unload function that will be fired before all events |
452 | 510 |
* are detached |
... | ... | |
455 | 513 |
* @static |
456 | 514 |
* @private |
457 | 515 |
*/ |
458 |
var unloadListeners = [];
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516 |
unloadListeners = [],
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459 | 517 |
|
460 | 518 |
/** |
461 |
* Cache of DOM0 event handlers to work around issues with DOM2 events |
|
462 |
* in Safari |
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463 |
* @property legacyEvents |
|
464 |
* @static |
|
465 |
* @private |
|
466 |
*/ |
|
467 |
var legacyEvents = []; |
|
468 |
|
|
469 |
/** |
|
470 |
* Listener stack for DOM0 events |
|
471 |
* @property legacyHandlers |
|
472 |
* @static |
|
473 |
* @private |
|
474 |
*/ |
|
475 |
var legacyHandlers = []; |
|
476 |
|
|
477 |
/** |
|
478 | 519 |
* The number of times to poll after window.onload. This number is |
479 | 520 |
* increased if additional late-bound handlers are requested after |
480 | 521 |
* the page load. |
... | ... | |
482 | 523 |
* @static |
483 | 524 |
* @private |
484 | 525 |
*/ |
485 |
var retryCount = 0;
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526 |
retryCount = 0,
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486 | 527 |
|
487 | 528 |
/** |
488 | 529 |
* onAvailable listeners |
... | ... | |
490 | 531 |
* @static |
491 | 532 |
* @private |
492 | 533 |
*/ |
493 |
var onAvailStack = [];
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|
534 |
onAvailStack = [],
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494 | 535 |
|
495 | 536 |
/** |
496 |
* Lookup table for legacy events |
|
497 |
* @property legacyMap |
|
498 |
* @static |
|
499 |
* @private |
|
500 |
*/ |
|
501 |
var legacyMap = []; |
|
502 |
|
|
503 |
/** |
|
504 | 537 |
* Counter for auto id generation |
505 | 538 |
* @property counter |
506 | 539 |
* @static |
507 | 540 |
* @private |
508 | 541 |
*/ |
509 |
var counter = 0;
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|
542 |
counter = 0,
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510 | 543 |
|
511 | 544 |
/** |
512 | 545 |
* Normalized keycodes for webkit/safari |
... | ... | |
516 | 549 |
* @static |
517 | 550 |
* @final |
518 | 551 |
*/ |
519 |
var webkitKeymap = {
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|
552 |
webkitKeymap = { |
|
520 | 553 |
63232: 38, // up |
521 | 554 |
63233: 40, // down |
522 | 555 |
63234: 37, // left |
... | ... | |
525 | 558 |
63277: 34, // page down |
526 | 559 |
25: 9 // SHIFT-TAB (Safari provides a different key code in |
527 | 560 |
// this case, even though the shiftKey modifier is set) |
528 |
};
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561 |
},
|
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529 | 562 |
|
563 |
isIE = YAHOO.env.ua.ie, |
|
564 |
|
|
565 |
// String constants used by the addFocusListener and removeFocusListener methods |
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566 |
|
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567 |
FOCUSIN = "focusin", |
|
568 |
FOCUSOUT = "focusout"; |
|
569 |
|
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530 | 570 |
return { |
531 | 571 |
|
532 | 572 |
/** |
533 | 573 |
* The number of times we should look for elements that are not |
534 | 574 |
* in the DOM at the time the event is requested after the document |
535 |
* has been loaded. The default is 4000@amp;10 ms, so it will poll
|
|
536 |
* for 40 seconds or until all outstanding handlers are bound
|
|
575 |
* has been loaded. The default is 500@amp;40 ms, so it will poll
|
|
576 |
* for 20 seconds or until all outstanding handlers are bound
|
|
537 | 577 |
* (whichever comes first). |
538 | 578 |
* @property POLL_RETRYS |
539 | 579 |
* @type int |
540 | 580 |
* @static |
541 | 581 |
* @final |
542 | 582 |
*/ |
543 |
POLL_RETRYS: 4000,
|
|
583 |
POLL_RETRYS: 500,
|
|
544 | 584 |
|
545 | 585 |
/** |
546 | 586 |
* The poll interval in milliseconds |
... | ... | |
549 | 589 |
* @static |
550 | 590 |
* @final |
551 | 591 |
*/ |
552 |
POLL_INTERVAL: 10,
|
|
592 |
POLL_INTERVAL: 40,
|
|
553 | 593 |
|
554 | 594 |
/** |
555 | 595 |
* Element to bind, int constant |
... | ... | |
579 | 619 |
FN: 2, |
580 | 620 |
|
581 | 621 |
/** |
582 |
* Function wrapped for scope correction and cleanup, int constant
|
|
622 |
* Function wrapped for context correction and cleanup, int constant
|
|
583 | 623 |
* @property WFN |
584 | 624 |
* @type int |
585 | 625 |
* @static |
... | ... | |
599 | 639 |
UNLOAD_OBJ: 3, |
600 | 640 |
|
601 | 641 |
/** |
602 |
* Adjusted scope, either the element we are registering the event
|
|
642 |
* Adjusted context, either the element we are registering the event
|
|
603 | 643 |
* on or the custom object passed in by the listener, int constant |
604 | 644 |
* @property ADJ_SCOPE |
605 | 645 |
* @type int |
... | ... | |
618 | 658 |
OBJ: 5, |
619 | 659 |
|
620 | 660 |
/** |
621 |
* The original scope parameter passed into addListener
|
|
661 |
* The original context parameter passed into addListener
|
|
622 | 662 |
* @property OVERRIDE |
623 | 663 |
* @type int |
624 | 664 |
* @static |
... | ... | |
627 | 667 |
OVERRIDE: 6, |
628 | 668 |
|
629 | 669 |
/** |
670 |
* The original capture parameter passed into addListener |
|
671 |
* @property CAPTURE |
|
672 |
* @type int |
|
673 |
* @static |
|
674 |
* @final |
|
675 |
*/ |
|
676 |
CAPTURE: 7, |
|
677 |
|
|
678 |
/** |
|
630 | 679 |
* addListener/removeListener can throw errors in unexpected scenarios. |
631 | 680 |
* These errors are suppressed, the method returns false, and this property |
632 | 681 |
* is set |
... | ... | |
662 | 711 |
* @static |
663 | 712 |
* @deprecated use YAHOO.env.ua.ie |
664 | 713 |
*/ |
665 |
isIE: YAHOO.env.ua.ie,
|
|
714 |
isIE: isIE,
|
|
666 | 715 |
|
667 | 716 |
/** |
668 | 717 |
* poll handle |
... | ... | |
680 | 729 |
*/ |
681 | 730 |
_dri: null, |
682 | 731 |
|
732 |
|
|
683 | 733 |
/** |
734 |
* Map of special event types |
|
735 |
* @property _specialTypes |
|
736 |
* @static |
|
737 |
* @private |
|
738 |
*/ |
|
739 |
_specialTypes: { |
|
740 |
focusin: (isIE ? "focusin" : "focus"), |
|
741 |
focusout: (isIE ? "focusout" : "blur") |
|
742 |
}, |
|
743 |
|
|
744 |
|
|
745 |
/** |
|
684 | 746 |
* True when the document is initially usable |
685 | 747 |
* @property DOMReady |
686 | 748 |
* @type boolean |
... | ... | |
689 | 751 |
DOMReady: false, |
690 | 752 |
|
691 | 753 |
/** |
754 |
* Errors thrown by subscribers of custom events are caught |
|
755 |
* and the error message is written to the debug console. If |
|
756 |
* this property is set to true, it will also re-throw the |
|
757 |
* error. |
|
758 |
* @property throwErrors |
|
759 |
* @type boolean |
|
760 |
* @default false |
|
761 |
*/ |
|
762 |
throwErrors: false, |
|
763 |
|
|
764 |
|
|
765 |
/** |
|
692 | 766 |
* @method startInterval |
693 | 767 |
* @static |
694 | 768 |
* @private |
695 | 769 |
*/ |
696 | 770 |
startInterval: function() { |
697 | 771 |
if (!this._interval) { |
698 |
var self = this; |
|
699 |
var callback = function() { self._tryPreloadAttach(); }; |
|
700 |
this._interval = setInterval(callback, this.POLL_INTERVAL); |
|
772 |
// var self = this; |
|
773 |
// var callback = function() { self._tryPreloadAttach(); }; |
|
774 |
// this._interval = setInterval(callback, this.POLL_INTERVAL); |
|
775 |
this._interval = YAHOO.lang.later(this.POLL_INTERVAL, this, this._tryPreloadAttach, null, true); |
|
701 | 776 |
} |
702 | 777 |
}, |
703 | 778 |
|
... | ... | |
714 | 789 |
* |
715 | 790 |
* @method onAvailable |
716 | 791 |
* |
717 |
* @param {string||string[]} p_id the id of the element, or an array
|
|
792 |
* @param {string||string[]} id the id of the element, or an array |
|
718 | 793 |
* of ids to look for. |
719 |
* @param {function} p_fn what to execute when the element is found.
|
|
720 |
* @param {object} p_obj an optional object to be passed back as
|
|
721 |
* a parameter to p_fn.
|
|
722 |
* @param {boolean|object} p_override If set to true, p_fn will execute
|
|
723 |
* in the scope of p_obj, if set to an object it
|
|
724 |
* will execute in the scope of that object
|
|
794 |
* @param {function} fn what to execute when the element is found. |
|
795 |
* @param {object} obj an optional object to be passed back as |
|
796 |
* a parameter to fn. |
|
797 |
* @param {boolean|object} overrideContext If set to true, fn will execute
|
|
798 |
* in the context of obj, if set to an object it
|
|
799 |
* will execute in the context of that object
|
|
725 | 800 |
* @param checkContent {boolean} check child node readiness (onContentReady) |
726 | 801 |
* @static |
727 | 802 |
*/ |
728 |
onAvailable: function(p_id, p_fn, p_obj, p_override, checkContent) {
|
|
803 |
onAvailable: function(id, fn, obj, overrideContext, checkContent) {
|
|
729 | 804 |
|
730 |
var a = (YAHOO.lang.isString(p_id)) ? [p_id] : p_id;
|
|
805 |
var a = (YAHOO.lang.isString(id)) ? [id] : id;
|
|
731 | 806 |
|
732 | 807 |
for (var i=0; i<a.length; i=i+1) { |
733 | 808 |
onAvailStack.push({id: a[i], |
734 |
fn: p_fn,
|
|
735 |
obj: p_obj,
|
|
736 |
override: p_override,
|
|
809 |
fn: fn, |
|
810 |
obj: obj, |
|
811 |
overrideContext: overrideContext,
|
|
737 | 812 |
checkReady: checkContent }); |
738 | 813 |
} |
814 |
|
|
739 | 815 |
retryCount = this.POLL_RETRYS; |
816 |
|
|
740 | 817 |
this.startInterval(); |
741 | 818 |
}, |
742 | 819 |
|
... | ... | |
750 | 827 |
* |
751 | 828 |
* @method onContentReady |
752 | 829 |
* |
753 |
* @param {string} p_id the id of the element to look for.
|
|
754 |
* @param {function} p_fn what to execute when the element is ready.
|
|
755 |
* @param {object} p_obj an optional object to be passed back as
|
|
756 |
* a parameter to p_fn.
|
|
757 |
* @param {boolean|object} p_override If set to true, p_fn will execute
|
|
758 |
* in the scope of p_obj. If an object, p_fn will
|
|
759 |
* exectute in the scope of that object
|
|
830 |
* @param {string} id the id of the element to look for. |
|
831 |
* @param {function} fn what to execute when the element is ready. |
|
832 |
* @param {object} obj an optional object to be passed back as |
|
833 |
* a parameter to fn. |
|
834 |
* @param {boolean|object} overrideContext If set to true, fn will execute
|
|
835 |
* in the context of obj. If an object, fn will
|
|
836 |
* exectute in the context of that object
|
|
760 | 837 |
* |
761 | 838 |
* @static |
762 | 839 |
*/ |
763 |
onContentReady: function(p_id, p_fn, p_obj, p_override) {
|
|
764 |
this.onAvailable(p_id, p_fn, p_obj, p_override, true);
|
|
840 |
onContentReady: function(id, fn, obj, overrideContext) {
|
|
841 |
this.onAvailable(id, fn, obj, overrideContext, true);
|
|
765 | 842 |
}, |
766 | 843 |
|
767 | 844 |
/** |
... | ... | |
787 | 864 |
* |
788 | 865 |
* @method onDOMReady |
789 | 866 |
* |
790 |
* @param {function} p_fn what to execute when the element is found.
|
|
791 |
* @param {object} p_obj an optional object to be passed back as
|
|
792 |
* a parameter to p_fn.
|
|
793 |
* @param {boolean|object} p_scope If set to true, p_fn will execute
|
|
794 |
* in the scope of p_obj, if set to an object it
|
|
795 |
* will execute in the scope of that object
|
|
867 |
* @param {function} fn what to execute when the element is found. |
|
868 |
* @param {object} obj an optional object to be passed back as |
|
869 |
* a parameter to fn. |
|
870 |
* @param {boolean|object} overrideContext If set to true, fn will execute
|
|
871 |
* in the context of obj, if set to an object it
|
|
872 |
* will execute in the context of that object
|
|
796 | 873 |
* |
797 | 874 |
* @static |
798 | 875 |
*/ |
799 |
onDOMReady: function(p_fn, p_obj, p_override) { |
|
800 |
if (this.DOMReady) { |
|
801 |
setTimeout(function() { |
|
802 |
var s = window; |
|
803 |
if (p_override) { |
|
804 |
if (p_override === true) { |
|
805 |
s = p_obj; |
|
806 |
} else { |
|
807 |
s = p_override; |
|
808 |
} |
|
809 |
} |
|
810 |
p_fn.call(s, "DOMReady", [], p_obj); |
|
811 |
}, 0); |
|
812 |
} else { |
|
813 |
this.DOMReadyEvent.subscribe(p_fn, p_obj, p_override); |
|
814 |
} |
|
876 |
// onDOMReady: function(fn, obj, overrideContext) { |
|
877 |
onDOMReady: function() { |
|
878 |
this.DOMReadyEvent.subscribe.apply(this.DOMReadyEvent, arguments); |
|
815 | 879 |
}, |
816 | 880 |
|
881 |
|
|
817 | 882 |
/** |
818 | 883 |
* Appends an event handler |
819 | 884 |
* |
820 |
* @method addListener |
|
885 |
* @method _addListener
|
|
821 | 886 |
* |
822 | 887 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element |
823 | 888 |
* reference, or a collection of ids and/or elements to assign the |
... | ... | |
826 | 891 |
* @param {Function} fn The method the event invokes |
827 | 892 |
* @param {Object} obj An arbitrary object that will be |
828 | 893 |
* passed as a parameter to the handler |
829 |
* @param {Boolean|object} override If true, the obj passed in becomes |
|
830 |
* the execution scope of the listener. If an
|
|
894 |
* @param {Boolean|object} overrideContext If true, the obj passed in becomes
|
|
895 |
* the execution context of the listener. If an
|
|
831 | 896 |
* object, this object becomes the execution |
832 |
* scope. |
|
897 |
* context. |
|
898 |
* @param {boolen} capture capture or bubble phase |
|
833 | 899 |
* @return {Boolean} True if the action was successful or defered, |
834 | 900 |
* false if one or more of the elements |
835 | 901 |
* could not have the listener attached, |
836 | 902 |
* or if the operation throws an exception. |
903 |
* @private |
|
837 | 904 |
* @static |
838 | 905 |
*/ |
839 |
addListener: function(el, sType, fn, obj, override) {
|
|
906 |
_addListener: function(el, sType, fn, obj, overrideContext, bCapture) {
|
|
840 | 907 |
|
841 | 908 |
if (!fn || !fn.call) { |
842 |
// throw new TypeError(sType + " addListener call failed, callback undefined"); |
|
843 | 909 |
return false; |
844 | 910 |
} |
845 | 911 |
|
... | ... | |
851 | 917 |
sType, |
852 | 918 |
fn, |
853 | 919 |
obj, |
854 |
override) && ok; |
|
920 |
overrideContext) && ok;
|
|
855 | 921 |
} |
856 | 922 |
return ok; |
857 | 923 |
|
... | ... | |
869 | 935 |
} else { |
870 | 936 |
// defer adding the event until the element is available |
871 | 937 |
this.onAvailable(el, function() { |
872 |
YAHOO.util.Event.on(el, sType, fn, obj, override);
|
|
938 |
YAHOO.util.Event._addListener(el, sType, fn, obj, overrideContext, bCapture);
|
|
873 | 939 |
}); |
874 | 940 |
|
875 | 941 |
return true; |
... | ... | |
888 | 954 |
// handles explicitly during our one unload event. |
889 | 955 |
if ("unload" == sType && obj !== this) { |
890 | 956 |
unloadListeners[unloadListeners.length] = |
891 |
[el, sType, fn, obj, override]; |
|
957 |
[el, sType, fn, obj, overrideContext];
|
|
892 | 958 |
return true; |
893 | 959 |
} |
894 | 960 |
|
895 | 961 |
|
896 |
// if the user chooses to override the scope, we use the custom
|
|
897 |
// object passed in, otherwise the executing scope will be the
|
|
962 |
// if the user chooses to override the context, we use the custom
|
|
963 |
// object passed in, otherwise the executing context will be the
|
|
898 | 964 |
// HTML element that the event is registered on |
899 |
var scope = el;
|
|
900 |
if (override) { |
|
901 |
if (override === true) { |
|
902 |
scope = obj;
|
|
965 |
var context = el;
|
|
966 |
if (overrideContext) {
|
|
967 |
if (overrideContext === true) {
|
|
968 |
context = obj;
|
|
903 | 969 |
} else { |
904 |
scope = override;
|
|
970 |
context = overrideContext;
|
|
905 | 971 |
} |
906 | 972 |
} |
907 | 973 |
|
908 | 974 |
// wrap the function so we can return the obj object when |
909 | 975 |
// the event fires; |
910 | 976 |
var wrappedFn = function(e) { |
911 |
return fn.call(scope, YAHOO.util.Event.getEvent(e, el),
|
|
977 |
return fn.call(context, YAHOO.util.Event.getEvent(e, el),
|
|
912 | 978 |
obj); |
913 | 979 |
}; |
914 | 980 |
|
915 |
var li = [el, sType, fn, wrappedFn, scope, obj, override];
|
|
981 |
var li = [el, sType, fn, wrappedFn, context, obj, overrideContext, bCapture];
|
|
916 | 982 |
var index = listeners.length; |
917 | 983 |
// cache the listener so we can try to automatically unload |
918 | 984 |
listeners[index] = li; |
919 | 985 |
|
920 |
if (this.useLegacyEvent(el, sType)) { |
|
921 |
var legacyIndex = this.getLegacyIndex(el, sType); |
|
986 |
try { |
|
987 |
this._simpleAdd(el, sType, wrappedFn, bCapture); |
|
988 |
} catch(ex) { |
|
989 |
// handle an error trying to attach an event. If it fails |
|
990 |
// we need to clean up the cache |
|
991 |
this.lastError = ex; |
|
992 |
this.removeListener(el, sType, fn); |
|
993 |
return false; |
|
994 |
} |
|
922 | 995 |
|
923 |
// Add a new dom0 wrapper if one is not detected for this |
|
924 |
// element |
|
925 |
if ( legacyIndex == -1 || |
|
926 |
el != legacyEvents[legacyIndex][0] ) { |
|
996 |
return true; |
|
997 |
|
|
998 |
}, |
|
927 | 999 |
|
928 |
legacyIndex = legacyEvents.length; |
|
929 |
legacyMap[el.id + sType] = legacyIndex; |
|
1000 |
/** |
|
1001 |
* Checks to see if the type requested is a special type |
|
1002 |
* (as defined by the _specialTypes hash), and (if so) returns |
|
1003 |
* the special type name. |
|
1004 |
* |
|
1005 |
* @method _getType |
|
1006 |
* |
|
1007 |
* @param {String} sType The type to look up |
|
1008 |
* @private |
|
1009 |
*/ |
|
1010 |
_getType: function (type) { |
|
1011 |
|
|
1012 |
return this._specialTypes[type] || type; |
|
1013 |
|
|
1014 |
}, |
|
930 | 1015 |
|
931 |
// cache the signature for the DOM0 event, and |
|
932 |
// include the existing handler for the event, if any |
|
933 |
legacyEvents[legacyIndex] = |
|
934 |
[el, sType, el["on" + sType]]; |
|
935 |
legacyHandlers[legacyIndex] = []; |
|
936 | 1016 |
|
937 |
el["on" + sType] = |
|
938 |
function(e) { |
|
939 |
YAHOO.util.Event.fireLegacyEvent( |
|
940 |
YAHOO.util.Event.getEvent(e), legacyIndex); |
|
941 |
}; |
|
942 |
} |
|
1017 |
/** |
|
1018 |
* Appends an event handler |
|
1019 |
* |
|
1020 |
* @method addListener |
|
1021 |
* |
|
1022 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element |
|
1023 |
* reference, or a collection of ids and/or elements to assign the |
|
1024 |
* listener to. |
|
1025 |
* @param {String} sType The type of event to append |
|
1026 |
* @param {Function} fn The method the event invokes |
|
1027 |
* @param {Object} obj An arbitrary object that will be |
|
1028 |
* passed as a parameter to the handler |
|
1029 |
* @param {Boolean|object} overrideContext If true, the obj passed in becomes |
|
1030 |
* the execution context of the listener. If an |
|
1031 |
* object, this object becomes the execution |
|
1032 |
* context. |
|
1033 |
* @return {Boolean} True if the action was successful or defered, |
|
1034 |
* false if one or more of the elements |
|
1035 |
* could not have the listener attached, |
|
1036 |
* or if the operation throws an exception. |
|
1037 |
* @static |
|
1038 |
*/ |
|
1039 |
addListener: function (el, sType, fn, obj, overrideContext) { |
|
943 | 1040 |
|
944 |
// add a reference to the wrapped listener to our custom |
|
945 |
// stack of events |
|
946 |
//legacyHandlers[legacyIndex].push(index); |
|
947 |
legacyHandlers[legacyIndex].push(li); |
|
1041 |
var capture = ((sType == FOCUSIN || sType == FOCUSOUT) && !YAHOO.env.ua.ie) ? true : false; |
|
948 | 1042 |
|
949 |
} else { |
|
950 |
try { |
|
951 |
this._simpleAdd(el, sType, wrappedFn, false); |
|
952 |
} catch(ex) { |
|
953 |
// handle an error trying to attach an event. If it fails |
|
954 |
// we need to clean up the cache |
|
955 |
this.lastError = ex; |
|
956 |
this.removeListener(el, sType, fn); |
|
957 |
return false; |
|
958 |
} |
|
959 |
} |
|
1043 |
return this._addListener(el, this._getType(sType), fn, obj, overrideContext, capture); |
|
960 | 1044 |
|
961 |
return true; |
|
962 |
|
|
963 |
}, |
|
1045 |
}, |
|
964 | 1046 |
|
1047 |
|
|
965 | 1048 |
/** |
966 |
* When using legacy events, the handler is routed to this object |
|
967 |
* so we can fire our custom listener stack. |
|
968 |
* @method fireLegacyEvent |
|
1049 |
* Attaches a focusin event listener to the specified element for |
|
1050 |
* the purpose of listening for the focus event on the element's |
|
1051 |
* descendants. |
|
1052 |
* @method addFocusListener |
|
1053 |
* |
|
1054 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element |
|
1055 |
* reference, or a collection of ids and/or elements to assign the |
|
1056 |
* listener to. |
|
1057 |
* @param {Function} fn The method the event invokes |
|
1058 |
* @param {Object} obj An arbitrary object that will be |
|
1059 |
* passed as a parameter to the handler |
|
1060 |
* @param {Boolean|object} overrideContext If true, the obj passed in becomes |
|
1061 |
* the execution context of the listener. If an |
|
1062 |
* object, this object becomes the execution |
|
1063 |
* context. |
|
1064 |
* @return {Boolean} True if the action was successful or defered, |
|
1065 |
* false if one or more of the elements |
|
1066 |
* could not have the listener attached, |
|
1067 |
* or if the operation throws an exception. |
|
969 | 1068 |
* @static |
970 |
* @private
|
|
1069 |
* @deprecated use YAHOO.util.Event.on and specify "focusin" as the event type.
|
|
971 | 1070 |
*/ |
972 |
fireLegacyEvent: function(e, legacyIndex) { |
|
973 |
var ok=true,le,lh,li,scope,ret; |
|
974 |
|
|
975 |
lh = legacyHandlers[legacyIndex]; |
|
976 |
for (var i=0,len=lh.length; i<len; ++i) { |
|
977 |
li = lh[i]; |
|
978 |
if ( li && li[this.WFN] ) { |
|
979 |
scope = li[this.ADJ_SCOPE]; |
|
980 |
ret = li[this.WFN].call(scope, e); |
|
981 |
ok = (ok && ret); |
|
982 |
} |
|
983 |
} |
|
1071 |
addFocusListener: function (el, fn, obj, overrideContext) { |
|
1072 |
return this.on(el, FOCUSIN, fn, obj, overrideContext); |
|
1073 |
}, |
|
984 | 1074 |
|
985 |
// Fire the original handler if we replaced one. We fire this |
|
986 |
// after the other events to keep stopPropagation/preventDefault |
|
987 |
// that happened in the DOM0 handler from touching our DOM2 |
|
988 |
// substitute |
|
989 |
le = legacyEvents[legacyIndex]; |
|
990 |
if (le && le[2]) { |
|
991 |
le[2](e); |
|
992 |
} |
|
993 |
|
|
994 |
return ok; |
|
995 |
}, |
|
996 | 1075 |
|
997 | 1076 |
/** |
998 |
* Returns the legacy event index that matches the supplied |
|
999 |
* signature |
|
1000 |
* @method getLegacyIndex |
|
1077 |
* Removes a focusin event listener to the specified element for |
|
1078 |
* the purpose of listening for the focus event on the element's |
|
1079 |
* descendants. |
|
1080 |
* |
|
1081 |
* @method removeFocusListener |
|
1082 |
* |
|
1083 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element |
|
1084 |
* reference, or a collection of ids and/or elements to remove |
|
1085 |
* the listener from. |
|
1086 |
* @param {Function} fn the method the event invokes. If fn is |
|
1087 |
* undefined, then all event handlers for the type of event are |
|
1088 |
* removed. |
|
1089 |
* @return {boolean} true if the unbind was successful, false |
|
1090 |
* otherwise. |
|
1001 | 1091 |
* @static |
1002 |
* @private
|
|
1092 |
* @deprecated use YAHOO.util.Event.removeListener and specify "focusin" as the event type.
|
|
1003 | 1093 |
*/ |
1004 |
getLegacyIndex: function(el, sType) { |
|
1005 |
var key = this.generateId(el) + sType; |
|
1006 |
if (typeof legacyMap[key] == "undefined") { |
|
1007 |
return -1; |
|
1008 |
} else { |
|
1009 |
return legacyMap[key]; |
|
1010 |
} |
|
1094 |
removeFocusListener: function (el, fn) { |
|
1095 |
return this.removeListener(el, FOCUSIN, fn); |
|
1011 | 1096 |
}, |
1012 | 1097 |
|
1013 | 1098 |
/** |
1014 |
* Logic that determines when we should automatically use legacy |
|
1015 |
* events instead of DOM2 events. Currently this is limited to old |
|
1016 |
* Safari browsers with a broken preventDefault |
|
1017 |
* @method useLegacyEvent |
|
1099 |
* Attaches a focusout event listener to the specified element for |
|
1100 |
* the purpose of listening for the blur event on the element's |
|
1101 |
* descendants. |
|
1102 |
* |
|
1103 |
* @method addBlurListener |
|
1104 |
* |
|
1105 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element |
|
1106 |
* reference, or a collection of ids and/or elements to assign the |
|
1107 |
* listener to. |
|
1108 |
* @param {Function} fn The method the event invokes |
|
1109 |
* @param {Object} obj An arbitrary object that will be |
|
1110 |
* passed as a parameter to the handler |
|
1111 |
* @param {Boolean|object} overrideContext If true, the obj passed in becomes |
|
1112 |
* the execution context of the listener. If an |
|
1113 |
* object, this object becomes the execution |
|
1114 |
* context. |
|
1115 |
* @return {Boolean} True if the action was successful or defered, |
|
1116 |
* false if one or more of the elements |
|
1117 |
* could not have the listener attached, |
|
1118 |
* or if the operation throws an exception. |
|
1018 | 1119 |
* @static |
1019 |
* @private
|
|
1120 |
* @deprecated use YAHOO.util.Event.on and specify "focusout" as the event type.
|
|
1020 | 1121 |
*/ |
1021 |
useLegacyEvent: function(el, sType) { |
|
1022 |
if (this.webkit && ("click"==sType || "dblclick"==sType)) { |
|
1023 |
var v = parseInt(this.webkit, 10); |
|
1024 |
if (!isNaN(v) && v<418) { |
|
1025 |
return true; |
|
1026 |
} |
|
1027 |
} |
|
1028 |
return false; |
|
1122 |
addBlurListener: function (el, fn, obj, overrideContext) { |
|
1123 |
return this.on(el, FOCUSOUT, fn, obj, overrideContext); |
|
1124 |
}, |
|
1125 |
|
|
1126 |
/** |
|
1127 |
* Removes a focusout event listener to the specified element for |
|
1128 |
* the purpose of listening for the blur event on the element's |
|
1129 |
* descendants. |
|
1130 |
* |
|
1131 |
* @method removeBlurListener |
|
1132 |
* |
|
1133 |
* @param {String|HTMLElement|Array|NodeList} el An id, an element |
|
1134 |
* reference, or a collection of ids and/or elements to remove |
|
1135 |
* the listener from. |
|
1136 |
* @param {Function} fn the method the event invokes. If fn is |
|
1137 |
* undefined, then all event handlers for the type of event are |
|
1138 |
* removed. |
|
1139 |
* @return {boolean} true if the unbind was successful, false |
|
1140 |
* otherwise. |
|
1141 |
* @static |
|
1142 |
* @deprecated use YAHOO.util.Event.removeListener and specify "focusout" as the event type. |
|
1143 |
*/ |
|
1144 |
removeBlurListener: function (el, fn) { |
|
1145 |
return this.removeListener(el, FOCUSOUT, fn); |
|
1029 | 1146 |
}, |
1030 |
|
|
1147 |
|
|
1031 | 1148 |
/** |
1032 | 1149 |
* Removes an event listener |
1033 | 1150 |
* |
... | ... | |
1047 | 1164 |
removeListener: function(el, sType, fn) { |
1048 | 1165 |
var i, len, li; |
1049 | 1166 |
|
1167 |
sType = this._getType(sType); |
|
1168 |
|
|
1050 | 1169 |
// The el argument can be a string |
1051 | 1170 |
if (typeof el == "string") { |
1052 | 1171 |
el = this.getEl(el); |
1053 | 1172 |
// The el argument can be an array of elements or element ids. |
1054 | 1173 |
} else if ( this._isValidCollection(el)) { |
1055 | 1174 |
var ok = true; |
1056 |
for (i=0,len=el.length; i<len; ++i) {
|
|
1175 |
for (i=el.length-1; i>-1; i--) {
|
|
1057 | 1176 |
ok = ( this.removeListener(el[i], sType, fn) && ok ); |
1058 | 1177 |
} |
1059 | 1178 |
return ok; |
... | ... | |
1066 | 1185 |
|
1067 | 1186 |
if ("unload" == sType) { |
1068 | 1187 |
|
1069 |
for (i=0, len=unloadListeners.length; i<len; i++) {
|
|
1188 |
for (i=unloadListeners.length-1; i>-1; i--) {
|
|
1070 | 1189 |
li = unloadListeners[i]; |
1071 | 1190 |
if (li && |
1072 | 1191 |
li[0] == el && |
1073 | 1192 |
li[1] == sType && |
1074 | 1193 |
li[2] == fn) { |
1075 |
//unloadListeners.splice(i, 1);
|
|
1076 |
unloadListeners[i]=null; |
|
1194 |
unloadListeners.splice(i, 1); |
|
1195 |
// unloadListeners[i]=null;
|
|
1077 | 1196 |
return true; |
1078 | 1197 |
} |
1079 | 1198 |
} |
... | ... | |
1089 | 1208 |
var index = arguments[3]; |
1090 | 1209 |
|
1091 | 1210 |
if ("undefined" === typeof index) { |
1092 |
index = this._getCacheIndex(el, sType, fn); |
|
1211 |
index = this._getCacheIndex(listeners, el, sType, fn);
|
|
1093 | 1212 |
} |
1094 | 1213 |
|
1095 | 1214 |
if (index >= 0) { |
... | ... | |
1101 | 1220 |
} |
1102 | 1221 |
|
1103 | 1222 |
|
1104 |
if (this.useLegacyEvent(el, sType)) { |
|
1105 |
var legacyIndex = this.getLegacyIndex(el, sType); |
|
1106 |
var llist = legacyHandlers[legacyIndex]; |
|
1107 |
if (llist) { |
|
1108 |
for (i=0, len=llist.length; i<len; ++i) { |
|
1109 |
li = llist[i]; |
|
1110 |
if (li && |
|
1111 |
li[this.EL] == el && |
|
1112 |
li[this.TYPE] == sType && |
|
1113 |
li[this.FN] == fn) { |
|
1114 |
//llist.splice(i, 1); |
|
1115 |
llist[i]=null; |
|
1116 |
break; |
|
1117 |
} |
|
1118 |
} |
|
1119 |
} |
|
1223 |
var bCapture = cacheItem[this.CAPTURE] === true ? true : false; |
|
1120 | 1224 |
|
1121 |
} else { |
|
1122 |
try { |
|
1123 |
this._simpleRemove(el, sType, cacheItem[this.WFN], false); |
|
1124 |
} catch(ex) { |
|
1125 |
this.lastError = ex; |
|
1126 |
return false; |
|
1127 |
} |
|
1225 |
try { |
|
1226 |
this._simpleRemove(el, sType, cacheItem[this.WFN], bCapture); |
|
1227 |
} catch(ex) { |
|
1228 |
this.lastError = ex; |
|
1229 |
return false; |
|
1128 | 1230 |
} |
1129 | 1231 |
|
1130 | 1232 |
// removed the wrapped handler |
1131 | 1233 |
delete listeners[index][this.WFN]; |
1132 | 1234 |
delete listeners[index][this.FN]; |
1133 |
//listeners.splice(index, 1);
|
|
1134 |
listeners[index]=null; |
|
1235 |
listeners.splice(index, 1); |
|
1236 |
// listeners[index]=null;
|
|
1135 | 1237 |
|
1136 | 1238 |
return true; |
1137 | 1239 |
|
... | ... | |
1164 | 1266 |
* @return {HTMLElement} the normized node |
1165 | 1267 |
* @static |
1166 | 1268 |
*/ |
1167 |
resolveTextNode: function(node) { |
|
1168 |
if (node && 3 == node.nodeType) { |
|
1169 |
return node.parentNode; |
|
1170 |
} else { |
|
1171 |
return node; |
|
1172 |
} |
|
1269 |
resolveTextNode: function(n) { |
|
1270 |
try { |
|
1271 |
if (n && 3 == n.nodeType) { |
|
1272 |
return n.parentNode; |
|
1273 |
} |
|
1274 |
} catch(e) { } |
|
1275 |
|
|
1276 |
return n; |
|
1173 | 1277 |
}, |
1174 | 1278 |
|
1175 | 1279 |
/** |
... | ... | |
1331 | 1435 |
} |
1332 | 1436 |
} |
1333 | 1437 |
|
1334 |
// IE events that target non-browser objects (e.g., VML |
|
1335 |
// canvas) will sometimes throw errors when you try to |
|
1336 |
// inspect the properties of the event target. We try to |
|
1337 |
// detect this condition, and provide a dummy target (the bound |
|
1338 |
// element) to eliminate spurious errors. |
|
1339 |
|
|
1340 |
// the implementation caused unexpected results in some |
|
1341 |
// implementations, so this has been rolled back for now |
|
1342 |
/* |
|
1343 |
if (ev && this.isIE) { |
|
1344 |
|
|
1345 |
try { |
|
1346 |
|
|
1347 |
var el = ev.srcElement; |
|
1348 |
|
|
1349 |
} catch(ex) { |
|
1350 |
|
|
1351 |
|
|
1352 |
ev.target = boundEl; |
|
1353 |
} |
|
1354 |
|
|
1355 |
} |
|
1356 |
*/ |
|
1357 |
|
|
1358 | 1438 |
return ev; |
1359 | 1439 |
}, |
1360 | 1440 |
|
... | ... | |
1368 | 1448 |
getCharCode: function(ev) { |
1369 | 1449 |
var code = ev.keyCode || ev.charCode || 0; |
1370 | 1450 |
|
1371 |
// webkit normalization |
|
1451 |
// webkit key normalization
|
|
1372 | 1452 |
if (YAHOO.env.ua.webkit && (code in webkitKeymap)) { |
1373 | 1453 |
code = webkitKeymap[code]; |
1374 | 1454 |
} |
... | ... | |
1382 | 1462 |
* @static |
1383 | 1463 |
* @private |
1384 | 1464 |
*/ |
1385 |
_getCacheIndex: function(el, sType, fn) { |
|
1386 |
for (var i=0,len=listeners.length; i<len; ++i) {
|
|
1387 |
var li = listeners[i];
|
|
1465 |
_getCacheIndex: function(a, el, sType, fn) {
|
|
1466 |
for (var i=0, l=a.length; i<l; i=i+1) {
|
|
1467 |
var li = a[i];
|
|
1388 | 1468 |
if ( li && |
1389 | 1469 |
li[this.FN] == fn && |
1390 | 1470 |
li[this.EL] == el && |
... | ... | |
1478 | 1558 |
* Custom event the fires when the dom is initially usable |
1479 | 1559 |
* @event DOMReadyEvent |
1480 | 1560 |
*/ |
1481 |
DOMReadyEvent: new YAHOO.util.CustomEvent("DOMReady", this),
|
|
1561 |
DOMReadyEvent: new YAHOO.util.CustomEvent("DOMReady", YAHOO, 0, 0, 1),
|
|
1482 | 1562 |
|
1483 | 1563 |
/** |
1484 | 1564 |
* hook up any deferred listeners |
... | ... | |
1501 | 1581 |
// before the window load notification |
1502 | 1582 |
EU._tryPreloadAttach(); |
1503 | 1583 |
|
1504 |
// Remove the listener to assist with the IE memory issue, but not |
|
1505 |
// for other browsers because FF 1.0x does not like it. |
|
1506 |
//if (this.isIE) { |
|
1507 |
//EU._simpleRemove(window, "load", EU._load); |
|
1508 |
//} |
|
1509 | 1584 |
} |
1510 | 1585 |
}, |
1511 | 1586 |
|
... | ... | |
1539 | 1614 |
*/ |
1540 | 1615 |
_tryPreloadAttach: function() { |
1541 | 1616 |
|
1617 |
if (onAvailStack.length === 0) { |
|
1618 |
retryCount = 0; |
|
1619 |
if (this._interval) { |
|
1620 |
// clearInterval(this._interval); |
|
1621 |
this._interval.cancel(); |
|
1622 |
this._interval = null; |
|
1623 |
} |
|
1624 |
return; |
|
1625 |
} |
|
1626 |
|
|
1542 | 1627 |
if (this.locked) { |
1543 |
return false;
|
|
1628 |
return; |
|
1544 | 1629 |
} |
1545 | 1630 |
|
1546 | 1631 |
if (this.isIE) { |
1547 | 1632 |
// Hold off if DOMReady has not fired and check current |
1548 | 1633 |
// readyState to protect against the IE operation aborted |
1549 | 1634 |
// issue. |
1550 |
//if (!this.DOMReady || "complete" !== document.readyState) { |
|
1551 | 1635 |
if (!this.DOMReady) { |
1552 | 1636 |
this.startInterval(); |
1553 |
return false;
|
|
1637 |
return; |
|
1554 | 1638 |
} |
1555 | 1639 |
} |
1556 | 1640 |
|
... | ... | |
1563 | 1647 |
// tested appropriately |
1564 | 1648 |
var tryAgain = !loadComplete; |
1565 | 1649 |
if (!tryAgain) { |
1566 |
tryAgain = (retryCount > 0); |
|
1650 |
tryAgain = (retryCount > 0 && onAvailStack.length > 0);
|
|
1567 | 1651 |
} |
1568 | 1652 |
|
1569 | 1653 |
// onAvailable |
1570 | 1654 |
var notAvail = []; |
1571 | 1655 |
|
1572 | 1656 |
var executeItem = function (el, item) { |
1573 |
var scope = el;
|
|
1574 |
if (item.override) { |
|
1575 |
if (item.override === true) { |
|
1576 |
scope = item.obj;
|
|
1657 |
var context = el;
|
|
1658 |
if (item.overrideContext) {
|
|
1659 |
if (item.overrideContext === true) {
|
|
1660 |
context = item.obj;
|
|
1577 | 1661 |
} else { |
1578 |
scope = item.override;
|
|
1662 |
context = item.overrideContext;
|
|
1579 | 1663 |
} |
1580 | 1664 |
} |
1581 |
item.fn.call(scope, item.obj);
|
|
1665 |
item.fn.call(context, item.obj);
|
|
1582 | 1666 |
}; |
1583 | 1667 |
|
1584 |
var i,len,item,el;
|
|
1668 |
var i, len, item, el, ready=[];
|
|
1585 | 1669 |
|
1586 |
// onAvailable |
|
1587 |
for (i=0,len=onAvailStack.length; i<len; ++i) {
|
|
1670 |
// onAvailable onContentReady
|
|
1671 |
for (i=0, len=onAvailStack.length; i<len; i=i+1) {
|
|
1588 | 1672 |
item = onAvailStack[i]; |
1589 |
if (item && !item.checkReady) {
|
|
1673 |
if (item) { |
|
1590 | 1674 |
el = this.getEl(item.id); |
1591 | 1675 |
if (el) { |
1592 |
executeItem(el, item); |
|
1593 |
onAvailStack[i] = null; |
|
1594 |
} else { |
|
1595 |
notAvail.push(item); |
|
1596 |
} |
|
1597 |
} |
|
1598 |
} |
|
1599 |
|
|
1600 |
// onContentReady |
|
1601 |
for (i=0,len=onAvailStack.length; i<len; ++i) { |
|
1602 |
item = onAvailStack[i]; |
|
1603 |
if (item && item.checkReady) { |
|
1604 |
el = this.getEl(item.id); |
|
1605 |
|
|
1606 |
if (el) { |
|
1607 |
// The element is available, but not necessarily ready |
|
1608 |
// @todo should we test parentNode.nextSibling? |
|
1609 |
if (loadComplete || el.nextSibling) { |
|
1676 |
if (item.checkReady) { |
|
1677 |
if (loadComplete || el.nextSibling || !tryAgain) { |
|
1678 |
ready.push(item); |
|
1679 |
onAvailStack[i] = null; |
|
1680 |
} |
|
1681 |
} else { |
|
1610 | 1682 |
executeItem(el, item); |
1611 | 1683 |
onAvailStack[i] = null; |
1612 | 1684 |
} |
... | ... | |
1615 | 1687 |
} |
1616 | 1688 |
} |
1617 | 1689 |
} |
1690 |
|
|
1691 |
// make sure onContentReady fires after onAvailable |
|
1692 |
for (i=0, len=ready.length; i<len; i=i+1) { |
|
1693 |
item = ready[i]; |
|
1694 |
executeItem(this.getEl(item.id), item); |
|
1695 |
} |
|
1618 | 1696 |
|
1619 |
retryCount = (notAvail.length === 0) ? 0 : retryCount - 1; |
|
1620 | 1697 |
|
1698 |
retryCount--; |
|
1699 |
|
|
1621 | 1700 |
if (tryAgain) { |
1622 |
// we may need to strip the nulled out items here |
|
1701 |
for (i=onAvailStack.length-1; i>-1; i--) { |
|
1702 |
item = onAvailStack[i]; |
|
1703 |
if (!item || !item.id) { |
|
1704 |
onAvailStack.splice(i, 1); |
|
1705 |
} |
|
1706 |
} |
|
1707 |
|
|
1623 | 1708 |
this.startInterval(); |
1624 | 1709 |
} else { |
1625 |
clearInterval(this._interval); |
|
1626 |
this._interval = null; |
|
1710 |
if (this._interval) { |
|
1711 |
// clearInterval(this._interval); |
|
1712 |
this._interval.cancel(); |
|
1713 |
this._interval = null; |
|
1714 |
} |
|
1627 | 1715 |
} |
1628 | 1716 |
|
1629 | 1717 |
this.locked = false; |
1630 | 1718 |
|
1631 |
return true; |
|
1632 |
|
|
1633 | 1719 |
}, |
1634 | 1720 |
|
1635 | 1721 |
/** |
... | ... | |
1648 | 1734 |
var oEl = (YAHOO.lang.isString(el)) ? this.getEl(el) : el; |
1649 | 1735 |
var elListeners = this.getListeners(oEl, sType), i, len; |
1650 | 1736 |
if (elListeners) { |
1651 |
for (i=0,len=elListeners.length; i<len ; ++i) {
|
|
1737 |
for (i=elListeners.length-1; i>-1; i--) {
|
|
1652 | 1738 |
var l = elListeners[i]; |
1653 |
// can't use the index on the changing collection |
|
1654 |
this.removeListener(oEl, l.type, l.fn, l.index); |
|
1655 |
//this.removeListener(oEl, l.type, l.fn); |
|
1739 |
this.removeListener(oEl, l.type, l.fn); |
|
1656 | 1740 |
} |
1657 | 1741 |
} |
1658 | 1742 |
|
... | ... | |
1674 | 1758 |
* type: (string) the type of event |
1675 | 1759 |
* fn: (function) the callback supplied to addListener |
1676 | 1760 |
* obj: (object) the custom object supplied to addListener |
1677 |
* adjust: (boolean|object) whether or not to adjust the default scope
|
|
1678 |
* scope: (boolean) the derived scope based on the adjust parameter
|
|
1761 |
* adjust: (boolean|object) whether or not to adjust the default context
|
|
1762 |
* scope: (boolean) the derived context based on the adjust parameter
|
|
1679 | 1763 |
* index: (int) its position in the Event util listener cache |
1680 | 1764 |
* @static |
1681 | 1765 |
*/ |
... | ... | |
1686 | 1770 |
} else if (sType === "unload") { |
1687 | 1771 |
searchLists = [unloadListeners]; |
1688 | 1772 |
} else { |
1773 |
sType = this._getType(sType); |
|
1689 | 1774 |
searchLists = [listeners]; |
1690 | 1775 |
} |
1691 | 1776 |
|
... | ... | |
1693 | 1778 |
|
1694 | 1779 |
for (var j=0;j<searchLists.length; j=j+1) { |
1695 | 1780 |
var searchList = searchLists[j]; |
1696 |
if (searchList && searchList.length > 0) {
|
|
1781 |
if (searchList) { |
|
1697 | 1782 |
for (var i=0,len=searchList.length; i<len ; ++i) { |
1698 | 1783 |
var l = searchList[i]; |
1699 | 1784 |
if ( l && l[this.EL] === oEl && |
... | ... | |
1723 | 1808 |
*/ |
1724 | 1809 |
_unload: function(e) { |
1725 | 1810 |
|
1726 |
var EU = YAHOO.util.Event, i, j, l, len, index; |
|
1811 |
var EU = YAHOO.util.Event, i, j, l, len, index, |
|
1812 |
ul = unloadListeners.slice(), context; |
|
1727 | 1813 |
|
1728 | 1814 |
// execute and clear stored unload listeners |
1729 |
for (i=0,len=unloadListeners.length; i<len; ++i) { |
|
1730 |
l = unloadListeners[i];
|
|
1815 |
for (i=0, len=unloadListeners.length; i<len; ++i) {
|
|
1816 |
l = ul[i];
|
|
1731 | 1817 |
if (l) { |
1732 |
var scope = window;
|
|
1818 |
context = window;
|
|
1733 | 1819 |
if (l[EU.ADJ_SCOPE]) { |
1734 | 1820 |
if (l[EU.ADJ_SCOPE] === true) { |
1735 |
scope = l[EU.UNLOAD_OBJ];
|
|
1821 |
context = l[EU.UNLOAD_OBJ];
|
|
1736 | 1822 |
} else { |
1737 |
scope = l[EU.ADJ_SCOPE];
|
|
1823 |
context = l[EU.ADJ_SCOPE];
|
|
1738 | 1824 |
} |
1739 | 1825 |
} |
Also available in: Unified diff
Branch 2.8.1 merged back into Trunk