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1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> |
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2 <html xmlns:yui="http://yuilibrary.com/rdf/1.0/yui.rdf#"> |
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3 <head> |
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4 <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> |
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5 <title>API: event-custom event-target.js (YUI Library)</title> |
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6 |
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7 <link rel="stylesheet" type="text/css" href="assets/reset-fonts-grids-min.css" /> |
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12 </head> |
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13 |
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14 <body id="yahoo-com"> |
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15 |
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16 <div id="doc3" class="yui-t2"> |
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17 <div id="hd"> |
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18 <h1><a href="http://developer.yahoo.com/yui/" title="Yahoo! UI Library">Yahoo! UI Library</a></h1> |
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19 <h3>event-custom <span class="subtitle">3.0.0</span></h3> |
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20 <a href="./index.html" title="Yahoo! UI Library">Yahoo! UI Library</a> |
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21 > <a href="./module_event-custom.html" title="event-custom">event-custom</a> |
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22 |
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23 > event-target.js (source view) |
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24 <form onsubmit="return false"> |
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25 <div id="propertysearch"> |
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26 Search: <input autocomplete="off" id="searchinput" /> |
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27 <div id="searchresults"> |
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28 |
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29 </div> |
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30 </div> |
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31 </form> |
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32 </div> |
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33 |
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34 <div id="bd"> |
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35 <div id="yui-main"> |
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36 <div class="yui-b"> |
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37 <form action="#" name="yui-classopts-form" method="get" id="yui-classopts-form"> |
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38 <fieldset> |
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39 <legend>Filters</legend> |
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40 <span class="classopts"><input type="checkbox" name="show_private" id="show_private" /> <label for="show_private">Show Private</label></span> |
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41 <span class="classopts"><input type="checkbox" name="show_protected" id="show_protected" /> <label for="show_protected">Show Protected</label></span> |
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42 <span class="classopts"><input type="checkbox" name="show_deprecated" id="show_deprecated" /> <label for="show_deprecated">Show Deprecated</label></span> |
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43 </fieldset> |
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44 </form> |
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45 |
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46 <div id="srcout"> |
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47 <style> |
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48 #doc3 .classopts { display:none; } |
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49 </style> |
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50 <div class="highlight" ><pre><span class="c">/**</span> |
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51 <span class="c"> * Custom event engine, DOM event listener abstraction layer, synthetic DOM </span> |
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52 <span class="c"> * events.</span> |
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53 <span class="c"> * @module event-custom</span> |
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54 <span class="c"> * @submodule event-custom-base</span> |
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55 <span class="c"> */</span> |
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56 <span class="o">(</span><span class="k">function</span><span class="o">()</span> <span class="o">{</span> |
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57 |
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58 <span class="c">/**</span> |
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59 <span class="c"> * EventTarget provides the implementation for any object to</span> |
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60 <span class="c"> * publish, subscribe and fire to custom events, and also</span> |
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61 <span class="c"> * alows other EventTargets to target the object with events</span> |
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62 <span class="c"> * sourced from the other object.</span> |
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63 <span class="c"> * EventTarget is designed to be used with Y.augment to wrap </span> |
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64 <span class="c"> * EventCustom in an interface that allows events to be listened to </span> |
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65 <span class="c"> * and fired by name. This makes it possible for implementing code to</span> |
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66 <span class="c"> * subscribe to an event that either has not been created yet, or will</span> |
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67 <span class="c"> * not be created at all.</span> |
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68 <span class="c"> * @class EventTarget</span> |
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69 <span class="c"> * @param opts a configuration object</span> |
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70 <span class="c"> * @config emitFacade {boolean} if true, all events will emit event </span> |
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71 <span class="c"> * facade payloads by default (default false)</span> |
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72 <span class="c"> * @config prefix {string} the prefix to apply to non-prefixed event names </span> |
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73 <span class="c"> * @config chain {boolean} if true, on/after/detach return the host to allow </span> |
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74 <span class="c"> * chaining, otherwise they return an EventHandle (default false)</span> |
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75 <span class="c"> */</span> |
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76 |
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77 <span class="k">var</span> <span class="nx">L</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Lang</span><span class="o">,</span> |
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78 <span class="nx">PREFIX_DELIMITER</span> <span class="o">=</span> <span class="s1">':'</span><span class="o">,</span> |
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79 <span class="nx">CATEGORY_DELIMITER</span> <span class="o">=</span> <span class="s1">'|'</span><span class="o">,</span> |
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80 <span class="nx">AFTER_PREFIX</span> <span class="o">=</span> <span class="s1">'~AFTER~'</span><span class="o">,</span> |
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81 |
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82 <span class="c">/**</span> |
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83 <span class="c"> * If the instance has a prefix attribute and the</span> |
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84 <span class="c"> * event type is not prefixed, the instance prefix is</span> |
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85 <span class="c"> * applied to the supplied type.</span> |
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86 <span class="c"> * @method _getType</span> |
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87 <span class="c"> * @private</span> |
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88 <span class="c"> */</span> |
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89 <span class="nx">_getType</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">cached</span><span class="o">(</span><span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="nx">pre</span><span class="o">)</span> <span class="o">{</span> |
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90 |
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91 <span class="k">if</span> <span class="o">(!</span><span class="nx">pre</span> <span class="o">||</span> <span class="o">!</span><span class="nx">L</span><span class="o">.</span><span class="nx">isString</span><span class="o">(</span><span class="nx">type</span><span class="o">)</span> <span class="o">||</span> <span class="nx">type</span><span class="o">.</span><span class="nx">indexOf</span><span class="o">(</span><span class="nx">PREFIX_DELIMITER</span><span class="o">)</span> <span class="o">></span> <span class="o">-</span><span class="m">1</span><span class="o">)</span> <span class="o">{</span> |
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92 <span class="k">return</span> <span class="nx">type</span><span class="o">;</span> |
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93 <span class="o">}</span> |
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94 |
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95 <span class="k">return</span> <span class="nx">pre</span> <span class="o">+</span> <span class="nx">PREFIX_DELIMITER</span> <span class="o">+</span> <span class="nx">type</span><span class="o">;</span> |
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96 <span class="o">}),</span> |
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97 |
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98 <span class="c">/**</span> |
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99 <span class="c"> * Returns an array with the detach key (if provided),</span> |
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100 <span class="c"> * and the prefixed event name from _getType</span> |
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101 <span class="c"> * Y.on('detachcategory, menu:click', fn)</span> |
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102 <span class="c"> * @method _parseType</span> |
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103 <span class="c"> * @private</span> |
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104 <span class="c"> */</span> |
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105 <span class="nx">_parseType</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">cached</span><span class="o">(</span><span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="nx">pre</span><span class="o">)</span> <span class="o">{</span> |
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106 |
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107 <span class="k">var</span> <span class="nx">t</span> <span class="o">=</span> <span class="nx">type</span><span class="o">,</span> <span class="nx">detachcategory</span><span class="o">,</span> <span class="nx">after</span><span class="o">,</span> <span class="nx">i</span><span class="o">;</span> |
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108 |
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109 <span class="k">if</span> <span class="o">(!</span><span class="nx">L</span><span class="o">.</span><span class="nx">isString</span><span class="o">(</span><span class="nx">t</span><span class="o">))</span> <span class="o">{</span> |
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110 <span class="k">return</span> <span class="nx">t</span><span class="o">;</span> |
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111 <span class="o">}</span> |
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112 |
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113 <span class="nx">i</span> <span class="o">=</span> <span class="nx">t</span><span class="o">.</span><span class="nx">indexOf</span><span class="o">(</span><span class="nx">AFTER_PREFIX</span><span class="o">);</span> |
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114 |
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115 <span class="k">if</span> <span class="o">(</span><span class="nx">i</span> <span class="o">></span> <span class="o">-</span><span class="m">1</span><span class="o">)</span> <span class="o">{</span> |
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116 <span class="nx">after</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
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117 <span class="nx">t</span> <span class="o">=</span> <span class="nx">t</span><span class="o">.</span><span class="nx">substr</span><span class="o">(</span><span class="nx">AFTER_PREFIX</span><span class="o">.</span><span class="nx">length</span><span class="o">);</span> |
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118 <span class="c">// Y.log(t);</span> |
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119 <span class="c"></span> <span class="o">}</span> |
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120 |
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121 <span class="nx">i</span> <span class="o">=</span> <span class="nx">t</span><span class="o">.</span><span class="nx">indexOf</span><span class="o">(</span><span class="nx">CATEGORY_DELIMITER</span><span class="o">);</span> |
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122 |
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123 <span class="k">if</span> <span class="o">(</span><span class="nx">i</span> <span class="o">></span> <span class="o">-</span><span class="m">1</span><span class="o">)</span> <span class="o">{</span> |
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124 <span class="nx">detachcategory</span> <span class="o">=</span> <span class="nx">t</span><span class="o">.</span><span class="nx">substr</span><span class="o">(</span><span class="m">0</span><span class="o">,</span> <span class="o">(</span><span class="nx">i</span><span class="o">));</span> |
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125 <span class="nx">t</span> <span class="o">=</span> <span class="nx">t</span><span class="o">.</span><span class="nx">substr</span><span class="o">(</span><span class="nx">i</span><span class="o">+</span><span class="m">1</span><span class="o">);</span> |
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126 <span class="k">if</span> <span class="o">(</span><span class="nx">t</span> <span class="o">==</span> <span class="s1">'*'</span><span class="o">)</span> <span class="o">{</span> |
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127 <span class="nx">t</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span> |
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128 <span class="o">}</span> |
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129 <span class="o">}</span> |
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130 |
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131 <span class="c">// detach category, full type with instance prefix, is this an after listener, short type</span> |
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132 <span class="c"></span> <span class="k">return</span> <span class="o">[</span><span class="nx">detachcategory</span><span class="o">,</span> <span class="o">(</span><span class="nx">pre</span><span class="o">)</span> <span class="o">?</span> <span class="nx">_getType</span><span class="o">(</span><span class="nx">t</span><span class="o">,</span> <span class="nx">pre</span><span class="o">)</span> <span class="o">:</span> <span class="nx">t</span><span class="o">,</span> <span class="nx">after</span><span class="o">,</span> <span class="nx">t</span><span class="o">];</span> |
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133 <span class="o">}),</span> |
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134 |
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135 <span class="nx">ET</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">opts</span><span class="o">)</span> <span class="o">{</span> |
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136 |
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137 <span class="c">// Y.log('EventTarget constructor executed: ' + this._yuid);</span> |
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138 <span class="c"></span> |
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139 <span class="k">var</span> <span class="nx">o</span> <span class="o">=</span> <span class="o">(</span><span class="nx">L</span><span class="o">.</span><span class="nx">isObject</span><span class="o">(</span><span class="nx">opts</span><span class="o">))</span> <span class="o">?</span> <span class="nx">opts</span> <span class="o">:</span> <span class="o">{};</span> |
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140 |
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141 <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span> <span class="o">||</span> <span class="o">{</span> |
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142 |
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143 <span class="nx">id</span><span class="o">:</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">guid</span><span class="o">(),</span> |
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144 |
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145 <span class="nx">events</span><span class="o">:</span> <span class="o">{},</span> |
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146 |
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147 <span class="nx">targets</span><span class="o">:</span> <span class="o">{},</span> |
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148 |
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149 <span class="nx">config</span><span class="o">:</span> <span class="nx">o</span><span class="o">,</span> |
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150 |
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151 <span class="nx">chain</span><span class="o">:</span> <span class="o">(</span><span class="s1">'chain'</span> <span class="k">in</span> <span class="nx">o</span><span class="o">)</span> <span class="o">?</span> <span class="nx">o</span><span class="o">.</span><span class="nx">chain</span> <span class="o">:</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">config</span><span class="o">.</span><span class="nx">chain</span><span class="o">,</span> |
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152 |
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153 <span class="nx">defaults</span><span class="o">:</span> <span class="o">{</span> |
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154 <span class="nx">context</span><span class="o">:</span> <span class="nx">o</span><span class="o">.</span><span class="nx">context</span> <span class="o">||</span> <span class="k">this</span><span class="o">,</span> |
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155 <span class="nx">host</span><span class="o">:</span> <span class="k">this</span><span class="o">,</span> |
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156 <span class="nx">emitFacade</span><span class="o">:</span> <span class="nx">o</span><span class="o">.</span><span class="nx">emitFacade</span><span class="o">,</span> |
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157 <span class="nx">fireOnce</span><span class="o">:</span> <span class="nx">o</span><span class="o">.</span><span class="nx">fireOnce</span><span class="o">,</span> |
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158 <span class="nx">queuable</span><span class="o">:</span> <span class="nx">o</span><span class="o">.</span><span class="nx">queuable</span><span class="o">,</span> |
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159 <span class="nx">broadcast</span><span class="o">:</span> <span class="nx">o</span><span class="o">.</span><span class="nx">broadcast</span><span class="o">,</span> |
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160 <span class="nx">bubbles</span><span class="o">:</span> <span class="o">(</span><span class="s1">'bubbles'</span> <span class="k">in</span> <span class="nx">o</span><span class="o">)</span> <span class="o">?</span> <span class="nx">o</span><span class="o">.</span><span class="nx">bubbles</span> <span class="o">:</span> <span class="kc">true</span> |
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161 <span class="o">}</span> |
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162 <span class="o">};</span> |
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163 |
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164 <span class="o">};</span> |
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165 |
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166 |
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167 <span class="nx">ET</span><span class="o">.</span><span class="nx">prototype</span> <span class="o">=</span> <span class="o">{</span> |
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168 |
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169 <span class="c">/**</span> |
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170 <span class="c"> * Subscribe to a custom event hosted by this object</span> |
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171 <span class="c"> * @method on </span> |
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172 <span class="c"> * @param type {string} The type of the event</span> |
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173 <span class="c"> * @param fn {Function} The callback</span> |
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174 <span class="c"> * @return the event target or a detach handle per 'chain' config</span> |
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175 <span class="c"> */</span> |
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176 <span class="nx">on</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="nx">fn</span><span class="o">,</span> <span class="nx">context</span><span class="o">,</span> <span class="nx">x</span><span class="o">)</span> <span class="o">{</span> |
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177 |
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178 <span class="k">var</span> <span class="nx">parts</span> <span class="o">=</span> <span class="nx">_parseType</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">config</span><span class="o">.</span><span class="nx">prefix</span><span class="o">),</span> <span class="nx">f</span><span class="o">,</span> <span class="nx">c</span><span class="o">,</span> <span class="nx">args</span><span class="o">,</span> <span class="nx">ret</span><span class="o">,</span> <span class="nx">ce</span><span class="o">,</span> |
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179 <span class="nx">detachcategory</span><span class="o">,</span> <span class="nx">handle</span><span class="o">,</span> <span class="nx">store</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Env</span><span class="o">.</span><span class="nx">evt</span><span class="o">.</span><span class="nx">handles</span><span class="o">,</span> <span class="nx">after</span><span class="o">,</span> <span class="nx">adapt</span><span class="o">,</span> <span class="nx">shorttype</span><span class="o">,</span> |
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180 <span class="nx">Node</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Node</span><span class="o">,</span> <span class="nx">n</span><span class="o">,</span> <span class="nx">domevent</span><span class="o">;</span> |
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181 |
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182 <span class="k">if</span> <span class="o">(</span><span class="nx">L</span><span class="o">.</span><span class="nx">isObject</span><span class="o">(</span><span class="nx">type</span><span class="o">))</span> <span class="o">{</span> |
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183 |
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184 <span class="k">if</span> <span class="o">(</span><span class="nx">L</span><span class="o">.</span><span class="nx">isFunction</span><span class="o">(</span><span class="nx">type</span><span class="o">))</span> <span class="o">{</span> |
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185 <span class="k">return</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Do</span><span class="o">.</span><span class="nx">before</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">Do</span><span class="o">,</span> <span class="nx">arguments</span><span class="o">);</span> |
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186 <span class="o">}</span> |
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187 |
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188 <span class="nx">f</span> <span class="o">=</span> <span class="nx">fn</span><span class="o">;</span> |
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189 <span class="nx">c</span> <span class="o">=</span> <span class="nx">context</span><span class="o">;</span> |
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190 <span class="nx">args</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nb">Array</span><span class="o">(</span><span class="nx">arguments</span><span class="o">,</span> <span class="m">0</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
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191 <span class="nx">ret</span> <span class="o">=</span> <span class="o">{};</span> |
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192 <span class="nx">after</span> <span class="o">=</span> <span class="nx">type</span><span class="o">.</span><span class="nx">_after</span><span class="o">;</span> |
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193 <span class="nx">delete</span> <span class="nx">type</span><span class="o">.</span><span class="nx">_after</span><span class="o">;</span> |
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194 |
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195 <span class="nx">Y</span><span class="o">.</span><span class="nx">each</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="k">function</span><span class="o">(</span><span class="nx">v</span><span class="o">,</span> <span class="nx">k</span><span class="o">)</span> <span class="o">{</span> |
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196 |
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197 <span class="k">if</span> <span class="o">(</span><span class="nx">v</span><span class="o">)</span> <span class="o">{</span> |
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198 <span class="nx">f</span> <span class="o">=</span> <span class="nx">v</span><span class="o">.</span><span class="nx">fn</span> <span class="o">||</span> <span class="o">((</span><span class="nx">Y</span><span class="o">.</span><span class="nx">Lang</span><span class="o">.</span><span class="nx">isFunction</span><span class="o">(</span><span class="nx">v</span><span class="o">))</span> <span class="o">?</span> <span class="nx">v</span> <span class="o">:</span> <span class="nx">f</span><span class="o">);</span> |
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199 <span class="nx">c</span> <span class="o">=</span> <span class="nx">v</span><span class="o">.</span><span class="nx">context</span> <span class="o">||</span> <span class="nx">c</span><span class="o">;</span> |
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200 <span class="o">}</span> |
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201 |
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202 <span class="nx">args</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">=</span> <span class="o">(</span><span class="nx">after</span><span class="o">)</span> <span class="o">?</span> <span class="nx">AFTER_PREFIX</span> <span class="o">+</span> <span class="nx">k</span> <span class="o">:</span> <span class="nx">k</span><span class="o">;</span> |
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203 <span class="nx">args</span><span class="o">[</span><span class="m">1</span><span class="o">]</span> <span class="o">=</span> <span class="nx">f</span><span class="o">;</span> |
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204 <span class="nx">args</span><span class="o">[</span><span class="m">2</span><span class="o">]</span> <span class="o">=</span> <span class="nx">c</span><span class="o">;</span> |
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205 |
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206 <span class="nx">ret</span><span class="o">[</span><span class="nx">k</span><span class="o">]</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">on</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">args</span><span class="o">);</span> |
|
207 |
|
208 <span class="o">},</span> <span class="k">this</span><span class="o">);</span> |
|
209 |
|
210 <span class="k">return</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">chain</span><span class="o">)</span> <span class="o">?</span> <span class="k">this</span> <span class="o">:</span> <span class="k">new</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">EventHandle</span><span class="o">(</span><span class="nx">ret</span><span class="o">);</span> |
|
211 |
|
212 <span class="o">}</span> |
|
213 |
|
214 <span class="nx">detachcategory</span> <span class="o">=</span> <span class="nx">parts</span><span class="o">[</span><span class="m">0</span><span class="o">];</span> |
|
215 <span class="nx">after</span> <span class="o">=</span> <span class="nx">parts</span><span class="o">[</span><span class="m">2</span><span class="o">];</span> |
|
216 <span class="nx">shorttype</span> <span class="o">=</span> <span class="nx">parts</span><span class="o">[</span><span class="m">3</span><span class="o">];</span> |
|
217 |
|
218 <span class="c">// extra redirection so we catch adaptor events too. take a look at this.</span> |
|
219 <span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">Node</span> <span class="o">&&</span> <span class="o">(</span><span class="k">this</span> <span class="k">instanceof</span> <span class="nx">Node</span><span class="o">)</span> <span class="o">&&</span> <span class="o">(</span><span class="nx">shorttype</span> <span class="k">in</span> <span class="nx">Node</span><span class="o">.</span><span class="nx">DOM_EVENTS</span><span class="o">))</span> <span class="o">{</span> |
|
220 <span class="nx">args</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nb">Array</span><span class="o">(</span><span class="nx">arguments</span><span class="o">,</span> <span class="m">0</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
|
221 <span class="nx">args</span><span class="o">.</span><span class="nx">splice</span><span class="o">(</span><span class="m">2</span><span class="o">,</span> <span class="m">0</span><span class="o">,</span> <span class="nx">Node</span><span class="o">.</span><span class="nx">getDOMNode</span><span class="o">(</span><span class="k">this</span><span class="o">));</span> |
|
222 <span class="c">// Y.log("Node detected, redirecting with these args: " + args);</span> |
|
223 <span class="c"></span> <span class="k">return</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">on</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="nx">Y</span><span class="o">,</span> <span class="nx">args</span><span class="o">);</span> |
|
224 <span class="o">}</span> |
|
225 |
|
226 <span class="nx">type</span> <span class="o">=</span> <span class="nx">parts</span><span class="o">[</span><span class="m">1</span><span class="o">];</span> |
|
227 |
|
228 <span class="k">if</span> <span class="o">(</span><span class="k">this</span> <span class="k">instanceof</span> <span class="nx">YUI</span><span class="o">)</span> <span class="o">{</span> |
|
229 |
|
230 <span class="nx">adapt</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Env</span><span class="o">.</span><span class="nx">evt</span><span class="o">.</span><span class="nx">plugins</span><span class="o">[</span><span class="nx">type</span><span class="o">];</span> |
|
231 <span class="nx">args</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nb">Array</span><span class="o">(</span><span class="nx">arguments</span><span class="o">,</span> <span class="m">0</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
|
232 <span class="nx">args</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">=</span> <span class="nx">shorttype</span><span class="o">;</span> |
|
233 |
|
234 <span class="k">if</span> <span class="o">(</span><span class="nx">Node</span><span class="o">)</span> <span class="o">{</span> |
|
235 <span class="nx">n</span> <span class="o">=</span> <span class="nx">args</span><span class="o">[</span><span class="m">2</span><span class="o">];</span> |
|
236 |
|
237 <span class="k">if</span> <span class="o">(</span><span class="nx">n</span> <span class="k">instanceof</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">NodeList</span><span class="o">)</span> <span class="o">{</span> |
|
238 <span class="nx">n</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">NodeList</span><span class="o">.</span><span class="nx">getDOMNodes</span><span class="o">(</span><span class="nx">n</span><span class="o">);</span> |
|
239 <span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">n</span> <span class="k">instanceof</span> <span class="nx">Node</span><span class="o">)</span> <span class="o">{</span> |
|
240 <span class="nx">n</span> <span class="o">=</span> <span class="nx">Node</span><span class="o">.</span><span class="nx">getDOMNode</span><span class="o">(</span><span class="nx">n</span><span class="o">);</span> |
|
241 <span class="o">}</span> |
|
242 |
|
243 <span class="nx">domevent</span> <span class="o">=</span> <span class="o">(</span><span class="nx">shorttype</span> <span class="k">in</span> <span class="nx">Node</span><span class="o">.</span><span class="nx">DOM_EVENTS</span><span class="o">);</span> |
|
244 |
|
245 <span class="c">// Captures both DOM events and event plugins.</span> |
|
246 <span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">domevent</span><span class="o">)</span> <span class="o">{</span> |
|
247 <span class="nx">args</span><span class="o">[</span><span class="m">2</span><span class="o">]</span> <span class="o">=</span> <span class="nx">n</span><span class="o">;</span> |
|
248 <span class="o">}</span> |
|
249 <span class="o">}</span> |
|
250 |
|
251 <span class="c">// check for the existance of an event adaptor</span> |
|
252 <span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">adapt</span><span class="o">)</span> <span class="o">{</span> |
|
253 <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'Using adaptor for '</span> <span class="o">+</span> <span class="nx">shorttype</span> <span class="o">+</span> <span class="s1">', '</span> <span class="o">+</span> <span class="nx">n</span><span class="o">,</span> <span class="s1">'info'</span><span class="o">,</span> <span class="s1">'event'</span><span class="o">);</span> |
|
254 <span class="nx">handle</span> <span class="o">=</span> <span class="nx">adapt</span><span class="o">.</span><span class="nx">on</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="nx">Y</span><span class="o">,</span> <span class="nx">args</span><span class="o">);</span> |
|
255 <span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">((!</span><span class="nx">type</span><span class="o">)</span> <span class="o">||</span> <span class="nx">domevent</span><span class="o">)</span> <span class="o">{</span> |
|
256 <span class="nx">handle</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Event</span><span class="o">.</span><span class="nx">_attach</span><span class="o">(</span><span class="nx">args</span><span class="o">);</span> |
|
257 <span class="o">}</span> |
|
258 |
|
259 <span class="o">}</span> |
|
260 |
|
261 <span class="k">if</span> <span class="o">(!</span><span class="nx">handle</span><span class="o">)</span> <span class="o">{</span> |
|
262 <span class="nx">ce</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">events</span><span class="o">[</span><span class="nx">type</span><span class="o">]</span> <span class="o">||</span> <span class="k">this</span><span class="o">.</span><span class="nx">publish</span><span class="o">(</span><span class="nx">type</span><span class="o">);</span> |
|
263 <span class="nx">handle</span> <span class="o">=</span> <span class="nx">ce</span><span class="o">.</span><span class="nx">_on</span><span class="o">(</span><span class="nx">fn</span><span class="o">,</span> <span class="nx">context</span><span class="o">,</span> <span class="o">(</span><span class="nx">arguments</span><span class="o">.</span><span class="nx">length</span> <span class="o">></span> <span class="m">3</span><span class="o">)</span> <span class="o">?</span> <span class="nx">Y</span><span class="o">.</span><span class="nb">Array</span><span class="o">(</span><span class="nx">arguments</span><span class="o">,</span> <span class="m">3</span><span class="o">,</span> <span class="kc">true</span><span class="o">)</span> <span class="o">:</span> <span class="kc">null</span><span class="o">,</span> <span class="o">(</span><span class="nx">after</span><span class="o">)</span> <span class="o">?</span> <span class="s1">'after'</span> <span class="o">:</span> <span class="kc">true</span><span class="o">);</span> |
|
264 <span class="o">}</span> |
|
265 |
|
266 <span class="k">if</span> <span class="o">(</span><span class="nx">detachcategory</span><span class="o">)</span> <span class="o">{</span> |
|
267 <span class="nx">store</span><span class="o">[</span><span class="nx">detachcategory</span><span class="o">]</span> <span class="o">=</span> <span class="nx">store</span><span class="o">[</span><span class="nx">detachcategory</span><span class="o">]</span> <span class="o">||</span> <span class="o">{};</span> |
|
268 <span class="nx">store</span><span class="o">[</span><span class="nx">detachcategory</span><span class="o">][</span><span class="nx">type</span><span class="o">]</span> <span class="o">=</span> <span class="nx">store</span><span class="o">[</span><span class="nx">detachcategory</span><span class="o">][</span><span class="nx">type</span><span class="o">]</span> <span class="o">||</span> <span class="o">[];</span> |
|
269 <span class="nx">store</span><span class="o">[</span><span class="nx">detachcategory</span><span class="o">][</span><span class="nx">type</span><span class="o">].</span><span class="nx">push</span><span class="o">(</span><span class="nx">handle</span><span class="o">);</span> |
|
270 <span class="o">}</span> |
|
271 |
|
272 <span class="k">return</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">chain</span><span class="o">)</span> <span class="o">?</span> <span class="k">this</span> <span class="o">:</span> <span class="nx">handle</span><span class="o">;</span> |
|
273 |
|
274 <span class="o">},</span> |
|
275 |
|
276 <span class="c">/**</span> |
|
277 <span class="c"> * subscribe to an event</span> |
|
278 <span class="c"> * @method subscribe</span> |
|
279 <span class="c"> * @deprecated use on</span> |
|
280 <span class="c"> */</span> |
|
281 <span class="nx">subscribe</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> |
|
282 <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'EventTarget subscribe() is deprecated, use on()'</span><span class="o">,</span> <span class="s1">'warn'</span><span class="o">,</span> <span class="s1">'deprecated'</span><span class="o">);</span> |
|
283 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">on</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">arguments</span><span class="o">);</span> |
|
284 <span class="o">},</span> |
|
285 |
|
286 <span class="c">/**</span> |
|
287 <span class="c"> * Detach one or more listeners the from the specified event</span> |
|
288 <span class="c"> * @method detach </span> |
|
289 <span class="c"> * @param type {string|Object} Either the handle to the subscriber or the </span> |
|
290 <span class="c"> * type of event. If the type</span> |
|
291 <span class="c"> * is not specified, it will attempt to remove</span> |
|
292 <span class="c"> * the listener from all hosted events.</span> |
|
293 <span class="c"> * @param fn {Function} The subscribed function to unsubscribe, if not</span> |
|
294 <span class="c"> * supplied, all subscribers will be removed.</span> |
|
295 <span class="c"> * @param context {Object} The custom object passed to subscribe. This is</span> |
|
296 <span class="c"> * optional, but if supplied will be used to</span> |
|
297 <span class="c"> * disambiguate multiple listeners that are the same</span> |
|
298 <span class="c"> * (e.g., you subscribe many object using a function</span> |
|
299 <span class="c"> * that lives on the prototype)</span> |
|
300 <span class="c"> * @return {EventTarget} the host</span> |
|
301 <span class="c"> */</span> |
|
302 <span class="nx">detach</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="nx">fn</span><span class="o">,</span> <span class="nx">context</span><span class="o">)</span> <span class="o">{</span> |
|
303 <span class="k">var</span> <span class="nx">evts</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">events</span><span class="o">,</span> <span class="nx">i</span><span class="o">,</span> <span class="nx">ret</span><span class="o">,</span> |
|
304 <span class="nx">Node</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Node</span><span class="o">,</span> <span class="nx">isNode</span> <span class="o">=</span> <span class="o">(</span><span class="k">this</span> <span class="k">instanceof</span> <span class="nx">Node</span><span class="o">);</span> |
|
305 |
|
306 <span class="c">// detachAll disabled on the Y instance.</span> |
|
307 <span class="c"></span> <span class="k">if</span> <span class="o">(!</span><span class="nx">type</span> <span class="o">&&</span> <span class="o">(</span><span class="k">this</span> <span class="o">!==</span> <span class="nx">Y</span><span class="o">))</span> <span class="o">{</span> |
|
308 <span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="k">in</span> <span class="nx">evts</span><span class="o">)</span> <span class="o">{</span> |
|
309 <span class="k">if</span> <span class="o">(</span><span class="nx">evts</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">i</span><span class="o">))</span> <span class="o">{</span> |
|
310 <span class="nx">ret</span> <span class="o">=</span> <span class="nx">evts</span><span class="o">[</span><span class="nx">i</span><span class="o">].</span><span class="nx">detach</span><span class="o">(</span><span class="nx">fn</span><span class="o">,</span> <span class="nx">context</span><span class="o">);</span> |
|
311 <span class="o">}</span> |
|
312 <span class="o">}</span> |
|
313 <span class="k">if</span> <span class="o">(</span><span class="nx">isNode</span><span class="o">)</span> <span class="o">{</span> |
|
314 |
|
315 <span class="nx">Y</span><span class="o">.</span><span class="nx">Event</span><span class="o">.</span><span class="nx">purgeElement</span><span class="o">(</span><span class="nx">Node</span><span class="o">.</span><span class="nx">getDOMNode</span><span class="o">(</span><span class="k">this</span><span class="o">));</span> |
|
316 <span class="o">}</span> |
|
317 |
|
318 <span class="k">return</span> <span class="nx">ret</span><span class="o">;</span> |
|
319 <span class="o">}</span> |
|
320 |
|
321 <span class="k">var</span> <span class="nx">parts</span> <span class="o">=</span> <span class="nx">_parseType</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">config</span><span class="o">.</span><span class="nx">prefix</span><span class="o">),</span> |
|
322 <span class="nx">detachcategory</span> <span class="o">=</span> <span class="nx">L</span><span class="o">.</span><span class="nx">isArray</span><span class="o">(</span><span class="nx">parts</span><span class="o">)</span> <span class="o">?</span> <span class="nx">parts</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">:</span> <span class="kc">null</span><span class="o">,</span> |
|
323 <span class="nx">shorttype</span> <span class="o">=</span> <span class="o">(</span><span class="nx">parts</span><span class="o">)</span> <span class="o">?</span> <span class="nx">parts</span><span class="o">[</span><span class="m">3</span><span class="o">]</span> <span class="o">:</span> <span class="kc">null</span><span class="o">,</span> |
|
324 <span class="nx">handle</span><span class="o">,</span> <span class="nx">adapt</span><span class="o">,</span> <span class="nx">store</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Env</span><span class="o">.</span><span class="nx">evt</span><span class="o">.</span><span class="nx">handles</span><span class="o">,</span> <span class="nx">cat</span><span class="o">,</span> <span class="nx">args</span><span class="o">,</span> |
|
325 <span class="nx">ce</span><span class="o">,</span> |
|
326 |
|
327 <span class="nx">keyDetacher</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">lcat</span><span class="o">,</span> <span class="nx">ltype</span><span class="o">)</span> <span class="o">{</span> |
|
328 <span class="k">var</span> <span class="nx">handles</span> <span class="o">=</span> <span class="nx">lcat</span><span class="o">[</span><span class="nx">ltype</span><span class="o">];</span> |
|
329 <span class="k">if</span> <span class="o">(</span><span class="nx">handles</span><span class="o">)</span> <span class="o">{</span> |
|
330 <span class="k">while</span> <span class="o">(</span><span class="nx">handles</span><span class="o">.</span><span class="nx">length</span><span class="o">)</span> <span class="o">{</span> |
|
331 <span class="nx">handle</span> <span class="o">=</span> <span class="nx">handles</span><span class="o">.</span><span class="nx">pop</span><span class="o">();</span> |
|
332 <span class="nx">handle</span><span class="o">.</span><span class="nx">detach</span><span class="o">();</span> |
|
333 <span class="o">}</span> |
|
334 <span class="o">}</span> |
|
335 <span class="o">};</span> |
|
336 |
|
337 <span class="k">if</span> <span class="o">(</span><span class="nx">detachcategory</span><span class="o">)</span> <span class="o">{</span> |
|
338 |
|
339 <span class="nx">cat</span> <span class="o">=</span> <span class="nx">store</span><span class="o">[</span><span class="nx">detachcategory</span><span class="o">];</span> |
|
340 <span class="nx">type</span> <span class="o">=</span> <span class="nx">parts</span><span class="o">[</span><span class="m">1</span><span class="o">];</span> |
|
341 |
|
342 <span class="k">if</span> <span class="o">(</span><span class="nx">cat</span><span class="o">)</span> <span class="o">{</span> |
|
343 <span class="k">if</span> <span class="o">(</span><span class="nx">type</span><span class="o">)</span> <span class="o">{</span> |
|
344 <span class="nx">keyDetacher</span><span class="o">(</span><span class="nx">cat</span><span class="o">,</span> <span class="nx">type</span><span class="o">);</span> |
|
345 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
346 <span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="k">in</span> <span class="nx">cat</span><span class="o">)</span> <span class="o">{</span> |
|
347 <span class="k">if</span> <span class="o">(</span><span class="nx">cat</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">i</span><span class="o">))</span> <span class="o">{</span> |
|
348 <span class="nx">keyDetacher</span><span class="o">(</span><span class="nx">cat</span><span class="o">,</span> <span class="nx">i</span><span class="o">);</span> |
|
349 <span class="o">}</span> |
|
350 <span class="o">}</span> |
|
351 <span class="o">}</span> |
|
352 |
|
353 <span class="k">return</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">chain</span><span class="o">)</span> <span class="o">?</span> <span class="k">this</span> <span class="o">:</span> <span class="kc">true</span><span class="o">;</span> |
|
354 <span class="o">}</span> |
|
355 |
|
356 <span class="c">// If this is an event handle, use it to detach</span> |
|
357 <span class="c"></span> <span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">L</span><span class="o">.</span><span class="nx">isObject</span><span class="o">(</span><span class="nx">type</span><span class="o">)</span> <span class="o">&&</span> <span class="nx">type</span><span class="o">.</span><span class="nx">detach</span><span class="o">)</span> <span class="o">{</span> |
|
358 <span class="nx">ret</span> <span class="o">=</span> <span class="nx">type</span><span class="o">.</span><span class="nx">detach</span><span class="o">();</span> |
|
359 <span class="k">return</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">chain</span><span class="o">)</span> <span class="o">?</span> <span class="k">this</span> <span class="o">:</span> <span class="nx">ret</span><span class="o">;</span> |
|
360 <span class="c">// extra redirection so we catch adaptor events too. take a look at this.</span> |
|
361 <span class="c"></span> <span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">isNode</span> <span class="o">&&</span> <span class="o">((!</span><span class="nx">shorttype</span><span class="o">)</span> <span class="o">||</span> <span class="o">(</span><span class="nx">shorttype</span> <span class="k">in</span> <span class="nx">Node</span><span class="o">.</span><span class="nx">DOM_EVENTS</span><span class="o">)))</span> <span class="o">{</span> |
|
362 <span class="nx">args</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nb">Array</span><span class="o">(</span><span class="nx">arguments</span><span class="o">,</span> <span class="m">0</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
|
363 <span class="nx">args</span><span class="o">[</span><span class="m">2</span><span class="o">]</span> <span class="o">=</span> <span class="nx">Node</span><span class="o">.</span><span class="nx">getDOMNode</span><span class="o">(</span><span class="k">this</span><span class="o">);</span> |
|
364 <span class="k">return</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">detach</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="nx">Y</span><span class="o">,</span> <span class="nx">args</span><span class="o">);</span> |
|
365 <span class="o">}</span> |
|
366 |
|
367 <span class="nx">adapt</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Env</span><span class="o">.</span><span class="nx">evt</span><span class="o">.</span><span class="nx">plugins</span><span class="o">[</span><span class="nx">shorttype</span><span class="o">];</span> |
|
368 |
|
369 <span class="c">// The YUI instance handles DOM events and adaptors</span> |
|
370 <span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="k">this</span> <span class="k">instanceof</span> <span class="nx">YUI</span><span class="o">)</span> <span class="o">{</span> |
|
371 <span class="nx">args</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nb">Array</span><span class="o">(</span><span class="nx">arguments</span><span class="o">,</span> <span class="m">0</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
|
372 <span class="c">// use the adaptor specific detach code if</span> |
|
373 <span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">adapt</span> <span class="o">&&</span> <span class="nx">adapt</span><span class="o">.</span><span class="nx">detach</span><span class="o">)</span> <span class="o">{</span> |
|
374 <span class="k">return</span> <span class="nx">adapt</span><span class="o">.</span><span class="nx">detach</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="nx">Y</span><span class="o">,</span> <span class="nx">args</span><span class="o">);</span> |
|
375 <span class="c">// DOM event fork</span> |
|
376 <span class="c"></span> <span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(!</span><span class="nx">type</span> <span class="o">||</span> <span class="o">(!</span><span class="nx">adapt</span> <span class="o">&&</span> <span class="nx">Node</span> <span class="o">&&</span> <span class="o">(</span><span class="nx">type</span> <span class="k">in</span> <span class="nx">Node</span><span class="o">.</span><span class="nx">DOM_EVENTS</span><span class="o">)))</span> <span class="o">{</span> |
|
377 <span class="nx">args</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">=</span> <span class="nx">type</span><span class="o">;</span> |
|
378 <span class="k">return</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Event</span><span class="o">.</span><span class="nx">detach</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">Event</span><span class="o">,</span> <span class="nx">args</span><span class="o">);</span> |
|
379 <span class="o">}</span> |
|
380 <span class="o">}</span> |
|
381 |
|
382 <span class="nx">ce</span> <span class="o">=</span> <span class="nx">evts</span><span class="o">[</span><span class="nx">type</span><span class="o">];</span> |
|
383 <span class="k">if</span> <span class="o">(</span><span class="nx">ce</span><span class="o">)</span> <span class="o">{</span> |
|
384 <span class="nx">ret</span> <span class="o">=</span> <span class="nx">ce</span><span class="o">.</span><span class="nx">detach</span><span class="o">(</span><span class="nx">fn</span><span class="o">,</span> <span class="nx">context</span><span class="o">);</span> |
|
385 <span class="o">}</span> |
|
386 |
|
387 <span class="k">return</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">chain</span><span class="o">)</span> <span class="o">?</span> <span class="k">this</span> <span class="o">:</span> <span class="nx">ret</span><span class="o">;</span> |
|
388 <span class="o">},</span> |
|
389 |
|
390 <span class="c">/**</span> |
|
391 <span class="c"> * detach a listener</span> |
|
392 <span class="c"> * @method unsubscribe</span> |
|
393 <span class="c"> * @deprecated use detach</span> |
|
394 <span class="c"> */</span> |
|
395 <span class="nx">unsubscribe</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> |
|
396 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">detach</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">arguments</span><span class="o">);</span> |
|
397 <span class="o">},</span> |
|
398 |
|
399 <span class="c">/**</span> |
|
400 <span class="c"> * Removes all listeners from the specified event. If the event type</span> |
|
401 <span class="c"> * is not specified, all listeners from all hosted custom events will</span> |
|
402 <span class="c"> * be removed.</span> |
|
403 <span class="c"> * @method detachAll</span> |
|
404 <span class="c"> * @param type {string} The type, or name of the event</span> |
|
405 <span class="c"> */</span> |
|
406 <span class="nx">detachAll</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">)</span> <span class="o">{</span> |
|
407 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">detach</span><span class="o">(</span><span class="nx">type</span><span class="o">);</span> |
|
408 <span class="o">},</span> |
|
409 |
|
410 <span class="c">/**</span> |
|
411 <span class="c"> * Removes all listeners from the specified event. If the event type</span> |
|
412 <span class="c"> * is not specified, all listeners from all hosted custom events will</span> |
|
413 <span class="c"> * be removed.</span> |
|
414 <span class="c"> * @method unsubscribeAll</span> |
|
415 <span class="c"> * @param type {string} The type, or name of the event</span> |
|
416 <span class="c"> * @deprecated use detachAll</span> |
|
417 <span class="c"> */</span> |
|
418 <span class="nx">unsubscribeAll</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> |
|
419 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">detachAll</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">arguments</span><span class="o">);</span> |
|
420 <span class="o">},</span> |
|
421 |
|
422 <span class="c">/**</span> |
|
423 <span class="c"> * Creates a new custom event of the specified type. If a custom event</span> |
|
424 <span class="c"> * by that name already exists, it will not be re-created. In either</span> |
|
425 <span class="c"> * case the custom event is returned. </span> |
|
426 <span class="c"> *</span> |
|
427 <span class="c"> * @method publish</span> |
|
428 <span class="c"> *</span> |
|
429 <span class="c"> * @param type {string} the type, or name of the event</span> |
|
430 <span class="c"> * @param opts {object} optional config params. Valid properties are:</span> |
|
431 <span class="c"> *</span> |
|
432 <span class="c"> * <ul></span> |
|
433 <span class="c"> * <li></span> |
|
434 <span class="c"> * 'broadcast': whether or not the YUI instance and YUI global are notified when the event is fired (false)</span> |
|
435 <span class="c"> * </li></span> |
|
436 <span class="c"> * <li></span> |
|
437 <span class="c"> * 'bubbles': whether or not this event bubbles (true)</span> |
|
438 <span class="c"> * </li></span> |
|
439 <span class="c"> * <li></span> |
|
440 <span class="c"> * 'context': the default execution context for the listeners (this)</span> |
|
441 <span class="c"> * </li></span> |
|
442 <span class="c"> * <li></span> |
|
443 <span class="c"> * 'defaultFn': the default function to execute when this event fires if preventDefault was not called</span> |
|
444 <span class="c"> * </li></span> |
|
445 <span class="c"> * <li></span> |
|
446 <span class="c"> * 'emitFacade': whether or not this event emits a facade (false)</span> |
|
447 <span class="c"> * </li></span> |
|
448 <span class="c"> * <li></span> |
|
449 <span class="c"> * 'prefix': the prefix for this targets events, e.g., 'menu' in 'menu:click' </span> |
|
450 <span class="c"> * </li></span> |
|
451 <span class="c"> * <li></span> |
|
452 <span class="c"> * 'fireOnce': if an event is configured to fire once, new subscribers after</span> |
|
453 <span class="c"> * the fire will be notified immediately.</span> |
|
454 <span class="c"> * </li></span> |
|
455 <span class="c"> * <li></span> |
|
456 <span class="c"> * 'preventable': whether or not preventDefault() has an effect (true)</span> |
|
457 <span class="c"> * </li></span> |
|
458 <span class="c"> * <li></span> |
|
459 <span class="c"> * 'preventedFn': a function that is executed when preventDefault is called</span> |
|
460 <span class="c"> * </li></span> |
|
461 <span class="c"> * <li></span> |
|
462 <span class="c"> * 'queuable': whether or not this event can be queued during bubbling (false)</span> |
|
463 <span class="c"> * </li></span> |
|
464 <span class="c"> * <li></span> |
|
465 <span class="c"> * 'silent': if silent is true, debug messages are not provided for this event.</span> |
|
466 <span class="c"> * </li></span> |
|
467 <span class="c"> * <li></span> |
|
468 <span class="c"> * 'stoppedFn': a function that is executed when stopPropagation is called</span> |
|
469 <span class="c"> * </li></span> |
|
470 <span class="c"> * <li></span> |
|
471 <span class="c"> * 'type': the event type (valid option if not provided as the first parameter to publish)</span> |
|
472 <span class="c"> * </li></span> |
|
473 <span class="c"> * </ul></span> |
|
474 <span class="c"> *</span> |
|
475 <span class="c"> * @return {Event.Custom} the custom event</span> |
|
476 <span class="c"> *</span> |
|
477 <span class="c"> */</span> |
|
478 <span class="nx">publish</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="nx">opts</span><span class="o">)</span> <span class="o">{</span> |
|
479 <span class="k">var</span> <span class="nx">events</span><span class="o">,</span> <span class="nx">ce</span><span class="o">,</span> <span class="nx">ret</span><span class="o">,</span> <span class="nx">pre</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">config</span><span class="o">.</span><span class="nx">prefix</span><span class="o">;</span> |
|
480 |
|
481 <span class="nx">type</span> <span class="o">=</span> <span class="o">(</span><span class="nx">pre</span><span class="o">)</span> <span class="o">?</span> <span class="nx">_getType</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="nx">pre</span><span class="o">)</span> <span class="o">:</span> <span class="nx">type</span><span class="o">;</span> |
|
482 |
|
483 |
|
484 <span class="k">if</span> <span class="o">(</span><span class="nx">L</span><span class="o">.</span><span class="nx">isObject</span><span class="o">(</span><span class="nx">type</span><span class="o">))</span> <span class="o">{</span> |
|
485 <span class="nx">ret</span> <span class="o">=</span> <span class="o">{};</span> |
|
486 <span class="nx">Y</span><span class="o">.</span><span class="nx">each</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="k">function</span><span class="o">(</span><span class="nx">v</span><span class="o">,</span> <span class="nx">k</span><span class="o">)</span> <span class="o">{</span> |
|
487 <span class="nx">ret</span><span class="o">[</span><span class="nx">k</span><span class="o">]</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">publish</span><span class="o">(</span><span class="nx">k</span><span class="o">,</span> <span class="nx">v</span> <span class="o">||</span> <span class="nx">opts</span><span class="o">);</span> |
|
488 <span class="o">},</span> <span class="k">this</span><span class="o">);</span> |
|
489 |
|
490 <span class="k">return</span> <span class="nx">ret</span><span class="o">;</span> |
|
491 <span class="o">}</span> |
|
492 |
|
493 <span class="nx">events</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">events</span><span class="o">;</span> |
|
494 <span class="nx">ce</span> <span class="o">=</span> <span class="nx">events</span><span class="o">[</span><span class="nx">type</span><span class="o">];</span> |
|
495 |
|
496 <span class="k">if</span> <span class="o">(</span><span class="nx">ce</span><span class="o">)</span> <span class="o">{</span> |
|
497 <span class="c">// ce.log("publish applying new config to published event: '"+type+"' exists", 'info', 'event');</span> |
|
498 <span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">opts</span><span class="o">)</span> <span class="o">{</span> |
|
499 <span class="nx">ce</span><span class="o">.</span><span class="nx">applyConfig</span><span class="o">(</span><span class="nx">opts</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
|
500 <span class="o">}</span> |
|
501 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
502 <span class="c">// apply defaults</span> |
|
503 <span class="c"></span> <span class="nx">ce</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">CustomEvent</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="o">(</span><span class="nx">opts</span><span class="o">)</span> <span class="o">?</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">mix</span><span class="o">(</span><span class="nx">opts</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">defaults</span><span class="o">)</span> <span class="o">:</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">defaults</span><span class="o">);</span> |
|
504 <span class="nx">events</span><span class="o">[</span><span class="nx">type</span><span class="o">]</span> <span class="o">=</span> <span class="nx">ce</span><span class="o">;</span> |
|
505 <span class="o">}</span> |
|
506 |
|
507 <span class="c">// make sure we turn the broadcast flag off if this</span> |
|
508 <span class="c"></span> <span class="c">// event was published as a result of bubbling</span> |
|
509 <span class="c"></span> <span class="c">// if (opts instanceof Y.CustomEvent) {</span> |
|
510 <span class="c"></span> <span class="c">// events[type].broadcast = false;</span> |
|
511 <span class="c"></span> <span class="c">// }</span> |
|
512 <span class="c"></span> |
|
513 <span class="k">return</span> <span class="nx">events</span><span class="o">[</span><span class="nx">type</span><span class="o">];</span> |
|
514 <span class="o">},</span> |
|
515 |
|
516 <span class="c">/**</span> |
|
517 <span class="c"> * Registers another EventTarget as a bubble target. Bubble order</span> |
|
518 <span class="c"> * is determined by the order registered. Multiple targets can</span> |
|
519 <span class="c"> * be specified.</span> |
|
520 <span class="c"> * @method addTarget</span> |
|
521 <span class="c"> * @param o {EventTarget} the target to add</span> |
|
522 <span class="c"> */</span> |
|
523 <span class="nx">addTarget</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">o</span><span class="o">)</span> <span class="o">{</span> |
|
524 <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">targets</span><span class="o">[</span><span class="nx">Y</span><span class="o">.</span><span class="nx">stamp</span><span class="o">(</span><span class="nx">o</span><span class="o">)]</span> <span class="o">=</span> <span class="nx">o</span><span class="o">;</span> |
|
525 <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">hasTargets</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
526 <span class="o">},</span> |
|
527 |
|
528 <span class="c">/**</span> |
|
529 <span class="c"> * Removes a bubble target</span> |
|
530 <span class="c"> * @method removeTarget</span> |
|
531 <span class="c"> * @param o {EventTarget} the target to remove</span> |
|
532 <span class="c"> */</span> |
|
533 <span class="nx">removeTarget</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">o</span><span class="o">)</span> <span class="o">{</span> |
|
534 <span class="nx">delete</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">targets</span><span class="o">[</span><span class="nx">Y</span><span class="o">.</span><span class="nx">stamp</span><span class="o">(</span><span class="nx">o</span><span class="o">)];</span> |
|
535 <span class="o">},</span> |
|
536 |
|
537 <span class="c">/**</span> |
|
538 <span class="c"> * Fire a custom event by name. The callback functions will be executed</span> |
|
539 <span class="c"> * from the context specified when the event was created, and with the </span> |
|
540 <span class="c"> * following parameters.</span> |
|
541 <span class="c"> *</span> |
|
542 <span class="c"> * If the custom event object hasn't been created, then the event hasn't </span> |
|
543 <span class="c"> * been published and it has no subscribers. For performance sake, we </span> |
|
544 <span class="c"> * immediate exit in this case. This means the event won't bubble, so </span> |
|
545 <span class="c"> * if the intention is that a bubble target be notified, the event must </span> |
|
546 <span class="c"> * be published on this object first.</span> |
|
547 <span class="c"> *</span> |
|
548 <span class="c"> * The first argument is the event type, and any additional arguments are</span> |
|
549 <span class="c"> * passed to the listeners as parameters. If the first of these is an</span> |
|
550 <span class="c"> * object literal, and the event is configured to emit an event facade,</span> |
|
551 <span class="c"> * that object is mixed into the event facade and the facade is provided </span> |
|
552 <span class="c"> * in place of the original object.</span> |
|
553 <span class="c"> *</span> |
|
554 <span class="c"> * @method fire</span> |
|
555 <span class="c"> * @param type {String|Object} The type of the event, or an object that contains</span> |
|
556 <span class="c"> * a 'type' property.</span> |
|
557 <span class="c"> * @param arguments {Object*} an arbitrary set of parameters to pass to </span> |
|
558 <span class="c"> * the handler. If the first of these is an object literal and the event is</span> |
|
559 <span class="c"> * configured to emit an event facade, the event facade will replace that</span> |
|
560 <span class="c"> * parameter after the properties the object literal contains are copied to</span> |
|
561 <span class="c"> * the event facade.</span> |
|
562 <span class="c"> * @return {Event.Target} the event host</span> |
|
563 <span class="c"> * </span> |
|
564 <span class="c"> */</span> |
|
565 <span class="nx">fire</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">)</span> <span class="o">{</span> |
|
566 |
|
567 <span class="k">var</span> <span class="nx">typeIncluded</span> <span class="o">=</span> <span class="nx">L</span><span class="o">.</span><span class="nx">isString</span><span class="o">(</span><span class="nx">type</span><span class="o">),</span> |
|
568 <span class="nx">t</span> <span class="o">=</span> <span class="o">(</span><span class="nx">typeIncluded</span><span class="o">)</span> <span class="o">?</span> <span class="nx">type</span> <span class="o">:</span> <span class="o">(</span><span class="nx">type</span> <span class="o">&&</span> <span class="nx">type</span><span class="o">.</span><span class="nx">type</span><span class="o">),</span> |
|
569 <span class="nx">ce</span><span class="o">,</span> <span class="nx">a</span><span class="o">,</span> <span class="nx">ret</span><span class="o">,</span> <span class="nx">pre</span><span class="o">=</span><span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">config</span><span class="o">.</span><span class="nx">prefix</span><span class="o">;</span> |
|
570 |
|
571 <span class="nx">t</span> <span class="o">=</span> <span class="o">(</span><span class="nx">pre</span><span class="o">)</span> <span class="o">?</span> <span class="nx">_getType</span><span class="o">(</span><span class="nx">t</span><span class="o">,</span> <span class="nx">pre</span><span class="o">)</span> <span class="o">:</span> <span class="nx">t</span><span class="o">;</span> |
|
572 <span class="nx">ce</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">getEvent</span><span class="o">(</span><span class="nx">t</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
|
573 |
|
574 <span class="c">// this event has not been published or subscribed to</span> |
|
575 <span class="c"></span> <span class="k">if</span> <span class="o">(!</span><span class="nx">ce</span><span class="o">)</span> <span class="o">{</span> |
|
576 |
|
577 <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">hasTargets</span><span class="o">)</span> <span class="o">{</span> |
|
578 <span class="nx">a</span> <span class="o">=</span> <span class="o">(</span><span class="nx">typeIncluded</span><span class="o">)</span> <span class="o">?</span> <span class="nx">arguments</span> <span class="o">:</span> <span class="nx">Y</span><span class="o">.</span><span class="nb">Array</span><span class="o">(</span><span class="nx">arguments</span><span class="o">,</span> <span class="m">0</span><span class="o">,</span> <span class="kc">true</span><span class="o">).</span><span class="nx">unshift</span><span class="o">(</span><span class="nx">t</span><span class="o">);</span> |
|
579 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">bubble</span><span class="o">(</span><span class="kc">null</span><span class="o">,</span> <span class="nx">a</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span> |
|
580 <span class="o">}</span> |
|
581 |
|
582 <span class="c">// otherwise there is nothing to be done</span> |
|
583 <span class="c"></span> <span class="nx">ret</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
584 |
|
585 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
586 |
|
587 <span class="nx">a</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nb">Array</span><span class="o">(</span><span class="nx">arguments</span><span class="o">,</span> <span class="o">(</span><span class="nx">typeIncluded</span><span class="o">)</span> <span class="o">?</span> <span class="m">1</span> <span class="o">:</span> <span class="m">0</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
|
588 <span class="nx">ret</span> <span class="o">=</span> <span class="nx">ce</span><span class="o">.</span><span class="nx">fire</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="nx">ce</span><span class="o">,</span> <span class="nx">a</span><span class="o">);</span> |
|
589 |
|
590 <span class="c">// clear target for next fire()</span> |
|
591 <span class="c"></span> <span class="nx">ce</span><span class="o">.</span><span class="nx">target</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span> |
|
592 <span class="o">}</span> |
|
593 |
|
594 <span class="k">return</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">chain</span><span class="o">)</span> <span class="o">?</span> <span class="k">this</span> <span class="o">:</span> <span class="nx">ret</span><span class="o">;</span> |
|
595 <span class="o">},</span> |
|
596 |
|
597 <span class="c">/**</span> |
|
598 <span class="c"> * Returns the custom event of the provided type has been created, a</span> |
|
599 <span class="c"> * falsy value otherwise</span> |
|
600 <span class="c"> * @method getEvent</span> |
|
601 <span class="c"> * @param type {string} the type, or name of the event</span> |
|
602 <span class="c"> * @param prefixed {string} if true, the type is prefixed already</span> |
|
603 <span class="c"> * @return {Event.Custom} the custom event or null</span> |
|
604 <span class="c"> */</span> |
|
605 <span class="nx">getEvent</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="nx">prefixed</span><span class="o">)</span> <span class="o">{</span> |
|
606 <span class="k">var</span> <span class="nx">pre</span><span class="o">,</span> <span class="nx">e</span><span class="o">;</span> |
|
607 <span class="k">if</span> <span class="o">(!</span><span class="nx">prefixed</span><span class="o">)</span> <span class="o">{</span> |
|
608 <span class="nx">pre</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">config</span><span class="o">.</span><span class="nx">prefix</span><span class="o">;</span> |
|
609 <span class="nx">type</span> <span class="o">=</span> <span class="o">(</span><span class="nx">pre</span><span class="o">)</span> <span class="o">?</span> <span class="nx">_getType</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="nx">pre</span><span class="o">)</span> <span class="o">:</span> <span class="nx">type</span><span class="o">;</span> |
|
610 <span class="o">}</span> |
|
611 <span class="nx">e</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_yuievt</span><span class="o">.</span><span class="nx">events</span><span class="o">;</span> |
|
612 <span class="k">return</span> <span class="o">(</span><span class="nx">e</span> <span class="o">&&</span> <span class="nx">type</span> <span class="k">in</span> <span class="nx">e</span><span class="o">)</span> <span class="o">?</span> <span class="nx">e</span><span class="o">[</span><span class="nx">type</span><span class="o">]</span> <span class="o">:</span> <span class="kc">null</span><span class="o">;</span> |
|
613 <span class="o">},</span> |
|
614 |
|
615 <span class="c">/**</span> |
|
616 <span class="c"> * Subscribe to a custom event hosted by this object. The</span> |
|
617 <span class="c"> * supplied callback will execute after any listeners add</span> |
|
618 <span class="c"> * via the subscribe method, and after the default function,</span> |
|
619 <span class="c"> * if configured for the event, has executed.</span> |
|
620 <span class="c"> * @method after</span> |
|
621 <span class="c"> * @param type {string} The type of the event</span> |
|
622 <span class="c"> * @param fn {Function} The callback</span> |
|
623 <span class="c"> * @return the event target or a detach handle per 'chain' config</span> |
|
624 <span class="c"> */</span> |
|
625 <span class="nx">after</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">type</span><span class="o">,</span> <span class="nx">fn</span><span class="o">)</span> <span class="o">{</span> |
|
626 |
|
627 <span class="k">var</span> <span class="nx">a</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nb">Array</span><span class="o">(</span><span class="nx">arguments</span><span class="o">,</span> <span class="m">0</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
|
628 |
|
629 <span class="nx">switch</span> <span class="o">(</span><span class="nx">L</span><span class="o">.</span><span class="nx">type</span><span class="o">(</span><span class="nx">type</span><span class="o">))</span> <span class="o">{</span> |
|
630 <span class="nx">case</span> <span class="s1">'function'</span><span class="o">:</span> |
|
631 <span class="k">return</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Do</span><span class="o">.</span><span class="nx">after</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">Do</span><span class="o">,</span> <span class="nx">arguments</span><span class="o">);</span> |
|
632 <span class="nx">case</span> <span class="s1">'object'</span><span class="o">:</span> |
|
633 <span class="nx">a</span><span class="o">[</span><span class="m">0</span><span class="o">].</span><span class="nx">_after</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
634 <span class="k">break</span><span class="o">;</span> |
|
635 <span class="nx">default</span><span class="o">:</span> |
|
636 <span class="nx">a</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">=</span> <span class="nx">AFTER_PREFIX</span> <span class="o">+</span> <span class="nx">type</span><span class="o">;</span> |
|
637 <span class="o">}</span> |
|
638 |
|
639 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">on</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">a</span><span class="o">);</span> |
|
640 |
|
641 <span class="o">},</span> |
|
642 |
|
643 <span class="c">/**</span> |
|
644 <span class="c"> * Executes the callback before a DOM event, custom event</span> |
|
645 <span class="c"> * or method. If the first argument is a function, it</span> |
|
646 <span class="c"> * is assumed the target is a method. For DOM and custom</span> |
|
647 <span class="c"> * events, this is an alias for Y.on.</span> |
|
648 <span class="c"> *</span> |
|
649 <span class="c"> * For DOM and custom events:</span> |
|
650 <span class="c"> * type, callback, context, 0-n arguments</span> |
|
651 <span class="c"> * </span> |
|
652 <span class="c"> * For methods:</span> |
|
653 <span class="c"> * callback, object (method host), methodName, context, 0-n arguments</span> |
|
654 <span class="c"> *</span> |
|
655 <span class="c"> * @method before</span> |
|
656 <span class="c"> * @return detach handle</span> |
|
657 <span class="c"> * @deprecated use the on method</span> |
|
658 <span class="c"> */</span> |
|
659 <span class="nx">before</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> |
|
660 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">on</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">arguments</span><span class="o">);</span> |
|
661 <span class="o">}</span> |
|
662 |
|
663 <span class="o">};</span> |
|
664 |
|
665 <span class="nx">Y</span><span class="o">.</span><span class="nx">EventTarget</span> <span class="o">=</span> <span class="nx">ET</span><span class="o">;</span> |
|
666 |
|
667 <span class="c">// make Y an event target</span> |
|
668 <span class="c"></span><span class="nx">Y</span><span class="o">.</span><span class="nx">mix</span><span class="o">(</span><span class="nx">Y</span><span class="o">,</span> <span class="nx">ET</span><span class="o">.</span><span class="nx">prototype</span><span class="o">,</span> <span class="kc">false</span><span class="o">,</span> <span class="kc">false</span><span class="o">,</span> <span class="o">{</span> |
|
669 <span class="nx">bubbles</span><span class="o">:</span> <span class="kc">false</span> |
|
670 <span class="o">});</span> |
|
671 |
|
672 <span class="nx">ET</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="nx">Y</span><span class="o">);</span> |
|
673 |
|
674 <span class="nx">YUI</span><span class="o">.</span><span class="nx">Env</span><span class="o">.</span><span class="nx">globalEvents</span> <span class="o">=</span> <span class="nx">YUI</span><span class="o">.</span><span class="nx">Env</span><span class="o">.</span><span class="nx">globalEvents</span> <span class="o">||</span> <span class="k">new</span> <span class="nx">ET</span><span class="o">();</span> |
|
675 |
|
676 <span class="c">/**</span> |
|
677 <span class="c"> * Hosts YUI page level events. This is where events bubble to</span> |
|
678 <span class="c"> * when the broadcast config is set to 2. This property is</span> |
|
679 <span class="c"> * only available if the custom event module is loaded.</span> |
|
680 <span class="c"> * @property Global</span> |
|
681 <span class="c"> * @type EventTarget</span> |
|
682 <span class="c"> * @for YUI</span> |
|
683 <span class="c"> */</span> |
|
684 <span class="nx">Y</span><span class="o">.</span><span class="nx">Global</span> <span class="o">=</span> <span class="nx">YUI</span><span class="o">.</span><span class="nx">Env</span><span class="o">.</span><span class="nx">globalEvents</span><span class="o">;</span> |
|
685 |
|
686 <span class="c">// @TODO implement a global namespace function on Y.Global?</span> |
|
687 <span class="c"></span> |
|
688 <span class="o">})();</span> |
|
689 |
|
690 |
|
691 <span class="c">/**</span> |
|
692 <span class="c"> * <code>YUI</code>'s <code>on</code> method is a unified interface for subscribing to</span> |
|
693 <span class="c"> * most events exposed by YUI. This includes custom events, DOM events, and </span> |
|
694 <span class="c"> * function events. <code>detach</code> is also provided to remove listeners</span> |
|
695 <span class="c"> * serviced by this function.</span> |
|
696 <span class="c"> *</span> |
|
697 <span class="c"> * The signature that <code>on</code> accepts varies depending on the type</span> |
|
698 <span class="c"> * of event being consumed. Refer to the specific methods that will</span> |
|
699 <span class="c"> * service a specific request for additional information about subscribing</span> |
|
700 <span class="c"> * to that type of event.</span> |
|
701 <span class="c"> *</span> |
|
702 <span class="c"> * <ul></span> |
|
703 <span class="c"> * <li>Custom events. These events are defined by various</span> |
|
704 <span class="c"> * modules in the library. This type of event is delegated to</span> |
|
705 <span class="c"> * <code>EventTarget</code>'s <code>on</code> method.</span> |
|
706 <span class="c"> * <ul></span> |
|
707 <span class="c"> * <li>The type of the event</li></span> |
|
708 <span class="c"> * <li>The callback to execute</li></span> |
|
709 <span class="c"> * <li>An optional context object</li></span> |
|
710 <span class="c"> * <li>0..n additional arguments to supply the callback.</li></span> |
|
711 <span class="c"> * </ul></span> |
|
712 <span class="c"> * Example: </span> |
|
713 <span class="c"> * <code>Y.on('domready', function() { // start work });</code></span> |
|
714 <span class="c"> * </li></span> |
|
715 <span class="c"> * <li>DOM events. These are moments reported by the browser related</span> |
|
716 <span class="c"> * to browser functionality and user interaction.</span> |
|
717 <span class="c"> * This type of event is delegated to <code>Event</code>'s </span> |
|
718 <span class="c"> * <code>attach</code> method.</span> |
|
719 <span class="c"> * <ul></span> |
|
720 <span class="c"> * <li>The type of the event</li></span> |
|
721 <span class="c"> * <li>The callback to execute</li></span> |
|
722 <span class="c"> * <li>The specification for the Node(s) to attach the listener</span> |
|
723 <span class="c"> * to. This can be a selector, collections, or Node/Element</span> |
|
724 <span class="c"> * refereces.</li></span> |
|
725 <span class="c"> * <li>An optional context object</li></span> |
|
726 <span class="c"> * <li>0..n additional arguments to supply the callback.</li></span> |
|
727 <span class="c"> * </ul></span> |
|
728 <span class="c"> * Example: </span> |
|
729 <span class="c"> * <code>Y.on('click', function(e) { // something was clicked }, '#someelement');</code></span> |
|
730 <span class="c"> * </li></span> |
|
731 <span class="c"> * <li>Function events. These events can be used to react before or after a</span> |
|
732 <span class="c"> * function is executed. This type of event is delegated to <code>Event.Do</code>'s </span> |
|
733 <span class="c"> * <code>before</code> method.</span> |
|
734 <span class="c"> * <ul></span> |
|
735 <span class="c"> * <li>The callback to execute</li></span> |
|
736 <span class="c"> * <li>The object that has the function that will be listened for.</li></span> |
|
737 <span class="c"> * <li>The name of the function to listen for.</li></span> |
|
738 <span class="c"> * <li>An optional context object</li></span> |
|
739 <span class="c"> * <li>0..n additional arguments to supply the callback.</li></span> |
|
740 <span class="c"> * </ul></span> |
|
741 <span class="c"> * Example <code>Y.on(function(arg1, arg2, etc) { // obj.methodname was executed }, obj 'methodname');</code></span> |
|
742 <span class="c"> * </li></span> |
|
743 <span class="c"> * </ul></span> |
|
744 <span class="c"> *</span> |
|
745 <span class="c"> * <code>on</code> corresponds to the moment before any default behavior of</span> |
|
746 <span class="c"> * the event. <code>after</code> works the same way, but these listeners</span> |
|
747 <span class="c"> * execute after the event's default behavior. <code>before</code> is an</span> |
|
748 <span class="c"> * alias for <code>on</code>.</span> |
|
749 <span class="c"> *</span> |
|
750 <span class="c"> * @method on </span> |
|
751 <span class="c"> * @param type** event type (this parameter does not apply for function events)</span> |
|
752 <span class="c"> * @param fn the callback</span> |
|
753 <span class="c"> * @param target** a descriptor for the target (applies to custom events only).</span> |
|
754 <span class="c"> * For function events, this is the object that contains the function to</span> |
|
755 <span class="c"> * execute.</span> |
|
756 <span class="c"> * @param extra** 0..n Extra information a particular event may need. These</span> |
|
757 <span class="c"> * will be documented with the event. In the case of function events, this</span> |
|
758 <span class="c"> * is the name of the function to execute on the host. In the case of</span> |
|
759 <span class="c"> * delegate listeners, this is the event delegation specification.</span> |
|
760 <span class="c"> * @param context optionally change the value of 'this' in the callback</span> |
|
761 <span class="c"> * @param args* 0..n additional arguments to pass to the callback.</span> |
|
762 <span class="c"> * @return the event target or a detach handle per 'chain' config</span> |
|
763 <span class="c"> * @for YUI</span> |
|
764 <span class="c"> */</span> |
|
765 |
|
766 <span class="c">/**</span> |
|
767 <span class="c"> * after() is a unified interface for subscribing to</span> |
|
768 <span class="c"> * most events exposed by YUI. This includes custom events,</span> |
|
769 <span class="c"> * DOM events, and AOP events. This works the same way as</span> |
|
770 <span class="c"> * the on() function, only it operates after any default</span> |
|
771 <span class="c"> * behavior for the event has executed. @see <code>on</code> for more </span> |
|
772 <span class="c"> * information.</span> |
|
773 <span class="c"> * @method after</span> |
|
774 <span class="c"> * @param type event type (this parameter does not apply for function events)</span> |
|
775 <span class="c"> * @param fn the callback</span> |
|
776 <span class="c"> * @param target a descriptor for the target (applies to custom events only).</span> |
|
777 <span class="c"> * For function events, this is the object that contains the function to</span> |
|
778 <span class="c"> * execute.</span> |
|
779 <span class="c"> * @param extra 0..n Extra information a particular event may need. These</span> |
|
780 <span class="c"> * will be documented with the event. In the case of function events, this</span> |
|
781 <span class="c"> * is the name of the function to execute on the host. In the case of</span> |
|
782 <span class="c"> * delegate listeners, this is the event delegation specification.</span> |
|
783 <span class="c"> * @param context optionally change the value of 'this' in the callback</span> |
|
784 <span class="c"> * @param args* 0..n additional arguments to pass to the callback.</span> |
|
785 <span class="c"> * @return the event target or a detach handle per 'chain' config</span> |
|
786 <span class="c"> * @for YUI</span> |
|
787 <span class="c"> */</span> |
|
788 </pre></div> |
|
789 |
|
790 </div> |
|
791 </div> |
|
792 </div> |
|
793 <div class="yui-b"> |
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794 <div class="nav"> |
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795 |
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796 <div id="moduleList" class="module"> |
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797 <h4>Modules</h4> |
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798 <ul class="content"> |
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799 <li class=""><a href="module_anim.html" title="anim">anim</a></li> |
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800 <li class=""><a href="module_async-queue.html" title="async-queue">async-queue</a></li> |
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801 <li class=""><a href="module_attribute.html" title="attribute">attribute</a></li> |
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802 <li class=""><a href="module_base.html" title="base">base</a></li> |
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803 <li class=""><a href="module_cache.html" title="cache">cache</a></li> |
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804 <li class=""><a href="module_classnamemanager.html" title="classnamemanager">classnamemanager</a></li> |
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805 <li class=""><a href="module_collection.html" title="collection">collection</a></li> |
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806 <li class=""><a href="module_console.html" title="console">console</a></li> |
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807 <li class=""><a href="module_console-filters.html" title="console-filters">console-filters</a></li> |
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808 <li class=""><a href="module_cookie.html" title="cookie">cookie</a></li> |
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809 <li class=""><a href="module_dataschema.html" title="dataschema">dataschema</a></li> |
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810 <li class=""><a href="module_datasource.html" title="datasource">datasource</a></li> |
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811 <li class=""><a href="module_datatype.html" title="datatype">datatype</a></li> |
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812 <li class=""><a href="module_dd.html" title="dd">dd</a></li> |
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813 <li class=""><a href="module_dom.html" title="dom">dom</a></li> |
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814 <li class=""><a href="module_dump.html" title="dump">dump</a></li> |
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815 <li class=""><a href="module_event.html" title="event">event</a></li> |
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816 <li class="selected"><a href="module_event-custom.html" title="event-custom">event-custom</a></li> |
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817 <li class=""><a href="module_event-simulate.html" title="event-simulate">event-simulate</a></li> |
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818 <li class=""><a href="module_history.html" title="history">history</a></li> |
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819 <li class=""><a href="module_imageloader.html" title="imageloader">imageloader</a></li> |
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820 <li class=""><a href="module_io.html" title="io">io</a></li> |
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821 <li class=""><a href="module_json.html" title="json">json</a></li> |
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822 <li class=""><a href="module_node.html" title="node">node</a></li> |
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823 <li class=""><a href="module_node-focusmanager.html" title="node-focusmanager">node-focusmanager</a></li> |
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824 <li class=""><a href="module_node-menunav.html" title="node-menunav">node-menunav</a></li> |
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825 <li class=""><a href="module_oop.html" title="oop">oop</a></li> |
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826 <li class=""><a href="module_overlay.html" title="overlay">overlay</a></li> |
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827 <li class=""><a href="module_plugin.html" title="plugin">plugin</a></li> |
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828 <li class=""><a href="module_profiler.html" title="profiler">profiler</a></li> |
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829 <li class=""><a href="module_queue-promote.html" title="queue-promote">queue-promote</a></li> |
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830 <li class=""><a href="module_slider.html" title="slider">slider</a></li> |
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831 <li class=""><a href="module_stylesheet.html" title="stylesheet">stylesheet</a></li> |
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832 <li class=""><a href="module_substitute.html" title="substitute">substitute</a></li> |
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833 <li class=""><a href="module_test.html" title="test">test</a></li> |
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834 <li class=""><a href="module_widget.html" title="widget">widget</a></li> |
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835 <li class=""><a href="module_widget-position.html" title="widget-position">widget-position</a></li> |
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836 <li class=""><a href="module_widget-position-ext.html" title="widget-position-ext">widget-position-ext</a></li> |
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837 <li class=""><a href="module_widget-stack.html" title="widget-stack">widget-stack</a></li> |
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838 <li class=""><a href="module_widget-stdmod.html" title="widget-stdmod">widget-stdmod</a></li> |
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839 <li class=""><a href="module_yui.html" title="yui">yui</a></li> |
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840 </ul> |
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841 </div> |
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842 |
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843 <div id="classList" class="module"> |
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844 <h4>Classes</h4> |
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845 <ul class="content"> |
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846 <li class=""><a href="CustomEvent.html" title="CustomEvent">CustomEvent</a></li> |
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847 <li class=""><a href="Do.html" title="Do">Do</a></li> |
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848 <li class=""><a href="Do.AlterArgs.html" title="Do.AlterArgs">Do.AlterArgs</a></li> |
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849 <li class=""><a href="Do.AlterReturn.html" title="Do.AlterReturn">Do.AlterReturn</a></li> |
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850 <li class=""><a href="Do.Error.html" title="Do.Error">Do.Error</a></li> |
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851 <li class=""><a href="Do.Halt.html" title="Do.Halt">Do.Halt</a></li> |
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852 <li class=""><a href="Do.Method.html" title="Do.Method">Do.Method</a></li> |
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853 <li class=""><a href="Do.Prevent.html" title="Do.Prevent">Do.Prevent</a></li> |
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854 <li class=""><a href="EventFacade.html" title="EventFacade">EventFacade</a></li> |
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855 <li class=""><a href="EventHandle.html" title="EventHandle">EventHandle</a></li> |
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856 <li class=""><a href="EventTarget.html" title="EventTarget">EventTarget</a></li> |
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857 <li class=""><a href="Subscriber.html" title="Subscriber">Subscriber</a></li> |
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858 </ul> |
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859 </div> |
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860 |
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861 <div id="fileList" class="module"> |
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862 <h4>Files</h4> |
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863 <ul class="content"> |
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864 <li class=""><a href="event-custom.js.html" title="event-custom.js">event-custom.js</a></li> |
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865 <li class=""><a href="event-do.js.html" title="event-do.js">event-do.js</a></li> |
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866 <li class=""><a href="event-facade.js.html" title="event-facade.js">event-facade.js</a></li> |
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867 <li class="selected"><a href="event-target.js.html" title="event-target.js">event-target.js</a></li> |
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868 <li class=""><a href="event.js.html" title="event.js">event.js</a></li> |
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869 </ul> |
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870 </div> |
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871 |
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872 |
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873 |
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874 |
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875 |
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876 </div> |
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877 </div> |
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878 </div> |
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879 <div id="ft"> |
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880 <hr /> |
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881 Copyright © 2009 Yahoo! Inc. All rights reserved. |
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882 </div> |
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883 </div> |
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884 <script type="text/javascript"> |
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886 </script> |
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887 </body> |
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888 </html> |