2014-09-05 11:57:18 -04:00
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<title>JSDoc: Source: modules/event.js</title>
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<h1 class="page-title">Source: modules/event.js</h1>
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<pre class="prettyprint source linenums"><code>/**
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* Event
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*
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* Event api wrapper
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* @todo Add method for triggering events
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*/
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(function (undefined){
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"use strict";
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var _add_remove, e, _attach_delegate;
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_add_remove = function (sel, event, callback, add)
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{
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var i, len;
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// Multiple events? Run recursively!
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if ( ! event.match(/^([\w\-]+)$/))
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{
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event = event.split(" ");
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len = event.length;
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for (i = 0; i < len; i++)
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{
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_add_remove(sel, event[i], callback, add);
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}
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return;
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}
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// Bind the event
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(add === true)
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? sel.addEventListener(event, callback, false)
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: sel.removeEventListener(event, callback, false);
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};
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_attach_delegate = function(sel, target, event, callback)
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{
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// attach the listener to the parent object
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_add_remove(sel, event, function(e){
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var elem, t;
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// Get the live version of the target selector
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t = $_.$(target, sel);
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// Check each element to see if it matches the target
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for(elem in t)
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{
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// Fire target callback when event bubbles from target
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if(e.target == t[elem])
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{
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// Trigger the event callback
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callback.call(t[elem], e);
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// Stop event propegation
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e.stopPropagation();
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}
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}
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}, true);
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};
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// --------------------------------------------------------------------------
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/**
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* Event Listener module
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*
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* @namespace
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* @name event
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* @memberOf $_
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*/
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e = {
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/**
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* Create a custom event
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*
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* @memberOf $_.event
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* @name create
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* @function
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* @example Eg. var event = $_("#selector").event.create('foo', {});
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* @param {string} name
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* @param {object} [data]
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* @return {Object}
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*/
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create: function(name, data)
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{
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2014-09-12 16:14:12 -04:00
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data = data || {};
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2014-09-05 11:57:18 -04:00
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// Okay, I guess we have to do this the hard way... :(
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var e = document.createEvent('CustomEvent');
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e.initCustomEvent(name, true, true, data);
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return e;
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},
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/**
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* Adds an event that returns a callback when triggered on the selected
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* event and selector
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*
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* @memberOf $_.event
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* @name add
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* @function
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* @example Eg. $_("#selector").event.add("click", do_something());
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* @param {string} event
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* @param {function} callback
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*/
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add: function (event, callback)
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{
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$_.each(function(e){
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_add_remove(e, event, callback, true);
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});
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},
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/**
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* Removes an event bound the the specified selector, event type, and callback
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*
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* @memberOf $_.event
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* @name remove
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* @function
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* @example Eg. $_("#selector").event.remove("click", do_something());
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* @param {string} event
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* @param {string} callback
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*/
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remove: function (event, callback)
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{
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$_.each(function(e){
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_add_remove(e, event, callback, false);
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});
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},
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/**
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* Binds a persistent event to the document
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*
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* @memberOf $_.event
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* @name live
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* @function
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* @example Eg. $_.event.live(".button", "click", do_something());
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* @param {string} target
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* @param {string} event
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* @param {function} callback
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*/
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live: function (target, event, callback)
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{
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_attach_delegate(document.documentElement, target, event, callback);
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},
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/**
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* Binds an event to a parent object
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*
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* @memberOf $_.event
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* @name delegate
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* @function
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* @example Eg. $_("#parent").delegate(".button", "click", do_something());
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* @param {string} target
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* @param {string} event
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* @param {function} callback
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*/
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delegate: function (target, event, callback)
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{
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$_.each(function(e){
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_attach_delegate(e, target, event, callback);
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});
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},
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/**
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* Trigger an event to fire
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*
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* @memberOf $_.event
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* @name trigger
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* @function
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* @example Eg. $_("#my_id").trigger('click');
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* @param {object} event
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* @return {boolean}
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*/
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trigger: function(event)
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{
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var target = this.el;
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return target.dispatchEvent(event);
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}
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};
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$_.ext('event', e);
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}());</code></pre>
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<nav>
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2014-09-12 16:14:12 -04:00
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<h2><a href="index.html">Index</a></h2><h3>Namespaces</h3><ul><li><a href="$_.html">$_</a></li><li><a href="$_.dom.html">dom</a></li><li><a href="$_.event.html">event</a></li><li><a href="$_.store.html">store</a></li></ul>
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2014-09-05 11:57:18 -04:00
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2014-09-12 16:14:12 -04:00
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Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-alpha9</a> on Fri Sep 12 2014 16:11:50 GMT-0400 (EDT)
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2014-09-05 11:57:18 -04:00
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