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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-custom.js (source view) |
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48 #doc3 .classopts { display:none; } |
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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 |
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57 <span class="c">/**</span> |
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58 <span class="c"> * Return value from all subscribe operations</span> |
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59 <span class="c"> * @class EventHandle</span> |
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60 <span class="c"> * @constructor</span> |
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61 <span class="c"> * @param evt {CustomEvent} the custom event</span> |
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62 <span class="c"> * @param sub {Subscriber} the subscriber</span> |
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63 <span class="c"> */</span> |
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64 |
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65 <span class="c">// var onsubscribeType = "_event:onsub",</span> |
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66 <span class="c"></span><span class="k">var</span> <span class="nx">AFTER</span> <span class="o">=</span> <span class="s1">'after'</span><span class="o">,</span> |
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67 <span class="nx">CONFIGS</span> <span class="o">=</span> <span class="o">[</span> |
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68 <span class="s1">'broadcast'</span><span class="o">,</span> |
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69 <span class="s1">'bubbles'</span><span class="o">,</span> |
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70 <span class="s1">'context'</span><span class="o">,</span> |
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71 <span class="s1">'contextFn'</span><span class="o">,</span> |
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72 <span class="s1">'currentTarget'</span><span class="o">,</span> |
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73 <span class="s1">'defaultFn'</span><span class="o">,</span> |
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74 <span class="s1">'details'</span><span class="o">,</span> |
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75 <span class="s1">'emitFacade'</span><span class="o">,</span> |
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76 <span class="s1">'fireOnce'</span><span class="o">,</span> |
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77 <span class="s1">'host'</span><span class="o">,</span> |
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78 <span class="s1">'preventable'</span><span class="o">,</span> |
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79 <span class="s1">'preventedFn'</span><span class="o">,</span> |
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80 <span class="s1">'queuable'</span><span class="o">,</span> |
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81 <span class="s1">'silent'</span><span class="o">,</span> |
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82 <span class="s1">'stoppedFn'</span><span class="o">,</span> |
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83 <span class="s1">'target'</span><span class="o">,</span> |
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84 <span class="s1">'type'</span> |
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85 <span class="o">],</span> |
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86 |
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87 |
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88 <span class="nx">YUI3_SIGNATURE</span> <span class="o">=</span> <span class="m">9</span><span class="o">,</span> |
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89 <span class="nx">YUI_LOG</span> <span class="o">=</span> <span class="s1">'yui:log'</span><span class="o">;</span> |
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90 |
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91 <span class="nx">Y</span><span class="o">.</span><span class="nx">EventHandle</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">evt</span><span class="o">,</span> <span class="nx">sub</span><span class="o">)</span> <span class="o">{</span> |
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92 |
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93 <span class="c">/**</span> |
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94 <span class="c"> * The custom event</span> |
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95 <span class="c"> * @type CustomEvent</span> |
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96 <span class="c"> */</span> |
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97 <span class="k">this</span><span class="o">.</span><span class="nx">evt</span> <span class="o">=</span> <span class="nx">evt</span><span class="o">;</span> |
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98 |
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99 <span class="c">/**</span> |
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100 <span class="c"> * The subscriber object</span> |
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101 <span class="c"> * @type Subscriber</span> |
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102 <span class="c"> */</span> |
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103 <span class="k">this</span><span class="o">.</span><span class="nx">sub</span> <span class="o">=</span> <span class="nx">sub</span><span class="o">;</span> |
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104 <span class="o">};</span> |
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105 |
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106 <span class="nx">Y</span><span class="o">.</span><span class="nx">EventHandle</span><span class="o">.</span><span class="nx">prototype</span> <span class="o">=</span> <span class="o">{</span> |
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107 |
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108 <span class="c">/**</span> |
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109 <span class="c"> * Detaches this subscriber</span> |
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110 <span class="c"> * @method detach</span> |
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111 <span class="c"> */</span> |
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112 <span class="nx">detach</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> |
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113 <span class="k">var</span> <span class="nx">evt</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">evt</span><span class="o">,</span> <span class="nx">i</span><span class="o">;</span> |
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114 <span class="k">if</span> <span class="o">(</span><span class="nx">evt</span><span class="o">)</span> <span class="o">{</span> |
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115 <span class="c">// Y.log('EventHandle.detach: ' + this.sub, 'info', 'Event');</span> |
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116 <span class="c"></span> <span class="k">if</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">isArray</span><span class="o">(</span><span class="nx">evt</span><span class="o">))</span> <span class="o">{</span> |
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117 <span class="k">for</span> <span class="o">(</span><span class="nx">i</span><span class="o">=</span><span class="m">0</span><span class="o">;</span> <span class="nx">i</span><span class="o"><</span><span class="nx">evt</span><span class="o">.</span><span class="nx">length</span><span class="o">;</span> <span class="nx">i</span><span class="o">++)</span> <span class="o">{</span> |
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118 <span class="nx">evt</span><span class="o">[</span><span class="nx">i</span><span class="o">].</span><span class="nx">detach</span><span class="o">();</span> |
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119 <span class="o">}</span> |
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120 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
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121 <span class="nx">evt</span><span class="o">.</span><span class="nx">_delete</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">sub</span><span class="o">);</span> |
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122 <span class="o">}</span> |
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123 <span class="o">}</span> |
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124 <span class="o">}</span> |
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125 <span class="o">};</span> |
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126 |
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127 <span class="c">/**</span> |
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128 <span class="c"> * The CustomEvent class lets you define events for your application</span> |
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129 <span class="c"> * that can be subscribed to by one or more independent component.</span> |
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130 <span class="c"> *</span> |
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131 <span class="c"> * @param {String} type The type of event, which is passed to the callback</span> |
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132 <span class="c"> * when the event fires</span> |
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133 <span class="c"> * @param o configuration object</span> |
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134 <span class="c"> * @class CustomEvent</span> |
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135 <span class="c"> * @constructor</span> |
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136 <span class="c"> */</span> |
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137 <span class="nx">Y</span><span class="o">.</span><span class="nx">CustomEvent</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">o</span><span class="o">)</span> <span class="o">{</span> |
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138 |
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139 <span class="c">// if (arguments.length > 2) {</span> |
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140 <span class="c">// this.log('CustomEvent context and silent are now in the config', 'warn', 'Event');</span> |
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141 <span class="c"></span> <span class="c">// }</span> |
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142 <span class="c"></span> |
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143 <span class="nx">o</span> <span class="o">=</span> <span class="nx">o</span> <span class="o">||</span> <span class="o">{};</span> |
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144 |
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145 <span class="k">this</span><span class="o">.</span><span class="nx">id</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="k">this</span><span class="o">);</span> |
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146 |
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147 <span class="c">/**</span> |
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148 <span class="c"> * The type of event, returned to subscribers when the event fires</span> |
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149 <span class="c"> * @property type</span> |
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150 <span class="c"> * @type string</span> |
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151 <span class="c"> */</span> |
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152 <span class="k">this</span><span class="o">.</span><span class="nx">type</span> <span class="o">=</span> <span class="nx">type</span><span class="o">;</span> |
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153 |
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154 <span class="c">/**</span> |
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155 <span class="c"> * The context the the event will fire from by default. Defaults to the YUI</span> |
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156 <span class="c"> * instance.</span> |
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157 <span class="c"> * @property context</span> |
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158 <span class="c"> * @type object</span> |
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159 <span class="c"> */</span> |
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160 <span class="k">this</span><span class="o">.</span><span class="nx">context</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">;</span> |
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161 |
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162 <span class="k">this</span><span class="o">.</span><span class="nx">logSystem</span> <span class="o">=</span> <span class="o">(</span><span class="nx">type</span> <span class="o">==</span> <span class="nx">YUI_LOG</span><span class="o">);</span> |
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163 |
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164 <span class="c">/**</span> |
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165 <span class="c"> * If 0, this event does not broadcast. If 1, the YUI instance is notified</span> |
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166 <span class="c"> * every time this event fires. If 2, the YUI instance and the YUI global</span> |
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167 <span class="c"> * (if event is enabled on the global) are notified every time this event</span> |
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168 <span class="c"> * fires.</span> |
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169 <span class="c"> * @property broadcast</span> |
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170 <span class="c"> * @type int</span> |
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171 <span class="c"> */</span> |
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172 <span class="c">// this.broadcast = 0;</span> |
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173 <span class="c"></span> |
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174 <span class="c">/**</span> |
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175 <span class="c"> * By default all custom events are logged in the debug build, set silent</span> |
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176 <span class="c"> * to true to disable debug outpu for this event.</span> |
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177 <span class="c"> * @property silent</span> |
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178 <span class="c"> * @type boolean</span> |
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179 <span class="c"> */</span> |
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180 <span class="k">this</span><span class="o">.</span><span class="nx">silent</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">logSystem</span><span class="o">;</span> |
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181 |
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182 <span class="c">/**</span> |
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183 <span class="c"> * Specifies whether this event should be queued when the host is actively</span> |
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184 <span class="c"> * processing an event. This will effect exectution order of the callbacks</span> |
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185 <span class="c"> * for the various events.</span> |
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186 <span class="c"> * @property queuable</span> |
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187 <span class="c"> * @type boolean</span> |
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188 <span class="c"> * @default false</span> |
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189 <span class="c"> */</span> |
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190 <span class="c">// this.queuable = false;</span> |
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191 <span class="c"></span> |
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192 <span class="c">/**</span> |
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193 <span class="c"> * The subscribers to this event</span> |
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194 <span class="c"> * @property subscribers</span> |
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195 <span class="c"> * @type Subscriber{}</span> |
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196 <span class="c"> */</span> |
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197 <span class="k">this</span><span class="o">.</span><span class="nx">subscribers</span> <span class="o">=</span> <span class="o">{};</span> |
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198 |
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199 <span class="c">/**</span> |
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200 <span class="c"> * 'After' subscribers</span> |
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201 <span class="c"> * @property afters</span> |
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202 <span class="c"> * @type Subscriber{}</span> |
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203 <span class="c"> */</span> |
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204 <span class="k">this</span><span class="o">.</span><span class="nx">afters</span> <span class="o">=</span> <span class="o">{};</span> |
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205 |
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206 <span class="c">/**</span> |
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207 <span class="c"> * This event has fired if true</span> |
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208 <span class="c"> *</span> |
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209 <span class="c"> * @property fired</span> |
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210 <span class="c"> * @type boolean</span> |
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211 <span class="c"> * @default false;</span> |
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212 <span class="c"> */</span> |
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213 <span class="c">// this.fired = false;</span> |
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214 <span class="c"></span> |
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215 <span class="c">/**</span> |
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216 <span class="c"> * An array containing the arguments the custom event</span> |
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217 <span class="c"> * was last fired with.</span> |
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218 <span class="c"> * @property firedWith</span> |
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219 <span class="c"> * @type Array</span> |
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220 <span class="c"> */</span> |
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221 <span class="c">// this.firedWith;</span> |
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222 <span class="c"></span> |
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223 <span class="c">/**</span> |
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224 <span class="c"> * This event should only fire one time if true, and if</span> |
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225 <span class="c"> * it has fired, any new subscribers should be notified</span> |
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226 <span class="c"> * immediately.</span> |
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227 <span class="c"> *</span> |
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228 <span class="c"> * @property fireOnce</span> |
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229 <span class="c"> * @type boolean</span> |
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230 <span class="c"> * @default false;</span> |
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231 <span class="c"> */</span> |
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232 <span class="c">// this.fireOnce = false;</span> |
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233 <span class="c"></span> |
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234 <span class="c">/**</span> |
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235 <span class="c"> * Flag for stopPropagation that is modified during fire()</span> |
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236 <span class="c"> * 1 means to stop propagation to bubble targets. 2 means</span> |
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237 <span class="c"> * to also stop additional subscribers on this target.</span> |
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238 <span class="c"> * @property stopped</span> |
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239 <span class="c"> * @type int</span> |
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240 <span class="c"> */</span> |
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241 <span class="c">// this.stopped = 0;</span> |
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242 <span class="c"></span> |
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243 <span class="c">/**</span> |
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244 <span class="c"> * Flag for preventDefault that is modified during fire().</span> |
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245 <span class="c"> * if it is not 0, the default behavior for this event</span> |
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246 <span class="c"> * @property prevented</span> |
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247 <span class="c"> * @type int</span> |
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248 <span class="c"> */</span> |
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249 <span class="c">// this.prevented = 0;</span> |
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250 <span class="c"></span> |
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251 <span class="c">/**</span> |
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252 <span class="c"> * Specifies the host for this custom event. This is used</span> |
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253 <span class="c"> * to enable event bubbling</span> |
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254 <span class="c"> * @property host</span> |
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255 <span class="c"> * @type EventTarget</span> |
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256 <span class="c"> */</span> |
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257 <span class="c">// this.host = null;</span> |
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258 <span class="c"></span> |
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259 <span class="c">/**</span> |
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260 <span class="c"> * The default function to execute after event listeners</span> |
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261 <span class="c"> * have fire, but only if the default action was not</span> |
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262 <span class="c"> * prevented.</span> |
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263 <span class="c"> * @property defaultFn</span> |
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264 <span class="c"> * @type Function</span> |
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265 <span class="c"> */</span> |
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266 <span class="c">// this.defaultFn = null;</span> |
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267 <span class="c"></span> |
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268 <span class="c">/**</span> |
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269 <span class="c"> * The function to execute if a subscriber calls</span> |
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270 <span class="c"> * stopPropagation or stopImmediatePropagation</span> |
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271 <span class="c"> * @property stoppedFn</span> |
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272 <span class="c"> * @type Function</span> |
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273 <span class="c"> */</span> |
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274 <span class="c">// this.stoppedFn = null;</span> |
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275 <span class="c"></span> |
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276 <span class="c">/**</span> |
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277 <span class="c"> * The function to execute if a subscriber calls</span> |
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278 <span class="c"> * preventDefault</span> |
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279 <span class="c"> * @property preventedFn</span> |
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280 <span class="c"> * @type Function</span> |
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281 <span class="c"> */</span> |
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282 <span class="c">// this.preventedFn = null;</span> |
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283 <span class="c"></span> |
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284 <span class="c">/**</span> |
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285 <span class="c"> * Specifies whether or not this event's default function</span> |
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286 <span class="c"> * can be cancelled by a subscriber by executing preventDefault() </span> |
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287 <span class="c"> * on the event facade </span> |
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288 <span class="c"> * @property preventable </span> |
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289 <span class="c"> * @type boolean </span> |
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290 <span class="c"> * @default true</span> |
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291 <span class="c"> */</span> |
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292 <span class="k">this</span><span class="o">.</span><span class="nx">preventable</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
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293 |
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294 <span class="c">/**</span> |
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295 <span class="c"> * Specifies whether or not a subscriber can stop the event propagation</span> |
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296 <span class="c"> * via stopPropagation(), stopImmediatePropagation(), or halt()</span> |
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297 <span class="c"> * @property bubbles</span> |
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298 <span class="c"> * @type boolean</span> |
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299 <span class="c"> * @default true</span> |
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300 <span class="c"> */</span> |
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301 <span class="k">this</span><span class="o">.</span><span class="nx">bubbles</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
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302 |
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303 <span class="c">/**</span> |
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304 <span class="c"> * Supports multiple options for listener signatures in order to</span> |
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305 <span class="c"> * port YUI 2 apps.</span> |
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306 <span class="c"> * @property signature</span> |
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307 <span class="c"> * @type int</span> |
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308 <span class="c"> * @default 9</span> |
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309 <span class="c"> */</span> |
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310 <span class="k">this</span><span class="o">.</span><span class="nx">signature</span> <span class="o">=</span> <span class="nx">YUI3_SIGNATURE</span><span class="o">;</span> |
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311 |
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312 <span class="c">// this.hasSubscribers = false;</span> |
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313 <span class="c"></span> |
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314 <span class="c">// this.hasAfters = false;</span> |
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315 <span class="c"></span> |
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316 <span class="c">/**</span> |
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317 <span class="c"> * If set to true, the custom event will deliver an EventFacade object</span> |
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318 <span class="c"> * that is similar to a DOM event object.</span> |
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319 <span class="c"> * @property emitFacade</span> |
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320 <span class="c"> * @type boolean</span> |
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321 <span class="c"> * @default false</span> |
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322 <span class="c"> */</span> |
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323 <span class="c">// this.emitFacade = false;</span> |
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324 <span class="c"></span> |
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325 <span class="k">this</span><span class="o">.</span><span class="nx">applyConfig</span><span class="o">(</span><span class="nx">o</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
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326 |
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327 <span class="c">// this.log("Creating " + this.type);</span> |
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328 <span class="c"></span> |
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329 <span class="o">};</span> |
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330 |
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331 <span class="nx">Y</span><span class="o">.</span><span class="nx">CustomEvent</span><span class="o">.</span><span class="nx">prototype</span> <span class="o">=</span> <span class="o">{</span> |
|
332 |
|
333 <span class="c">/**</span> |
|
334 <span class="c"> * Apply configuration properties. Only applies the CONFIG whitelist</span> |
|
335 <span class="c"> * @method applyConfig</span> |
|
336 <span class="c"> * @param o hash of properties to apply</span> |
|
337 <span class="c"> * @param force {boolean} if true, properties that exist on the event </span> |
|
338 <span class="c"> * will be overwritten.</span> |
|
339 <span class="c"> */</span> |
|
340 <span class="nx">applyConfig</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="nx">force</span><span class="o">)</span> <span class="o">{</span> |
|
341 <span class="k">if</span> <span class="o">(</span><span class="nx">o</span><span class="o">)</span> <span class="o">{</span> |
|
342 <span class="nx">Y</span><span class="o">.</span><span class="nx">mix</span><span class="o">(</span><span class="k">this</span><span class="o">,</span> <span class="nx">o</span><span class="o">,</span> <span class="nx">force</span><span class="o">,</span> <span class="nx">CONFIGS</span><span class="o">);</span> |
|
343 <span class="o">}</span> |
|
344 <span class="o">},</span> |
|
345 |
|
346 <span class="nx">_on</span><span class="o">:</span> <span class="k">function</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">args</span><span class="o">,</span> <span class="nx">when</span><span class="o">)</span> <span class="o">{</span> |
|
347 |
|
348 <span class="k">if</span> <span class="o">(!</span><span class="nx">fn</span><span class="o">)</span> <span class="o">{</span> |
|
349 <span class="k">this</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s2">"Invalid callback for CE: "</span> <span class="o">+</span> <span class="k">this</span><span class="o">.</span><span class="nx">type</span><span class="o">);</span> |
|
350 <span class="o">}</span> |
|
351 |
|
352 <span class="k">var</span> <span class="nx">s</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">Subscriber</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">args</span><span class="o">,</span> <span class="nx">when</span><span class="o">);</span> |
|
353 |
|
354 <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">fireOnce</span> <span class="o">&&</span> <span class="k">this</span><span class="o">.</span><span class="nx">fired</span><span class="o">)</span> <span class="o">{</span> |
|
355 <span class="nx">Y</span><span class="o">.</span><span class="nx">later</span><span class="o">(</span><span class="m">0</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="nx">bind</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">_notify</span><span class="o">,</span> <span class="k">this</span><span class="o">,</span> <span class="nx">s</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">firedWith</span><span class="o">));</span> |
|
356 <span class="o">}</span> |
|
357 |
|
358 <span class="k">if</span> <span class="o">(</span><span class="nx">when</span> <span class="o">==</span> <span class="nx">AFTER</span><span class="o">)</span> <span class="o">{</span> |
|
359 <span class="k">this</span><span class="o">.</span><span class="nx">afters</span><span class="o">[</span><span class="nx">s</span><span class="o">.</span><span class="nx">id</span><span class="o">]</span> <span class="o">=</span> <span class="nx">s</span><span class="o">;</span> |
|
360 <span class="k">this</span><span class="o">.</span><span class="nx">hasAfters</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
361 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
362 <span class="k">this</span><span class="o">.</span><span class="nx">subscribers</span><span class="o">[</span><span class="nx">s</span><span class="o">.</span><span class="nx">id</span><span class="o">]</span> <span class="o">=</span> <span class="nx">s</span><span class="o">;</span> |
|
363 <span class="k">this</span><span class="o">.</span><span class="nx">hasSubscribers</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
364 <span class="o">}</span> |
|
365 |
|
366 <span class="k">return</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="k">this</span><span class="o">,</span> <span class="nx">s</span><span class="o">);</span> |
|
367 |
|
368 <span class="o">},</span> |
|
369 |
|
370 <span class="c">/**</span> |
|
371 <span class="c"> * Listen for this event</span> |
|
372 <span class="c"> * @method subscribe</span> |
|
373 <span class="c"> * @param {Function} fn The function to execute</span> |
|
374 <span class="c"> * @return {EventHandle|EventTarget} unsubscribe handle or a</span> |
|
375 <span class="c"> * chainable event target depending on the 'chain' config.</span> |
|
376 <span class="c"> * @deprecated use on</span> |
|
377 <span class="c"> */</span> |
|
378 <span class="nx">subscribe</span><span class="o">:</span> <span class="k">function</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> |
|
379 <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'ce.subscribe 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> |
|
380 <span class="k">var</span> <span class="nx">a</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">2</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">2</span><span class="o">,</span> <span class="kc">true</span><span class="o">):</span> <span class="kc">null</span><span class="o">;</span> |
|
381 <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">fn</span><span class="o">,</span> <span class="nx">context</span><span class="o">,</span> <span class="nx">a</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
|
382 <span class="o">},</span> |
|
383 |
|
384 <span class="c">/**</span> |
|
385 <span class="c"> * Listen for this event</span> |
|
386 <span class="c"> * @method on</span> |
|
387 <span class="c"> * @param {Function} fn The function to execute</span> |
|
388 <span class="c"> * @return {EventHandle|EventTarget} unsubscribe handle or a</span> |
|
389 <span class="c"> * chainable event target depending on the 'chain' config.</span> |
|
390 <span class="c"> */</span> |
|
391 <span class="nx">on</span><span class="o">:</span> <span class="k">function</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> |
|
392 <span class="k">var</span> <span class="nx">a</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">2</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">2</span><span class="o">,</span> <span class="kc">true</span><span class="o">):</span> <span class="kc">null</span><span class="o">;</span> |
|
393 <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">fn</span><span class="o">,</span> <span class="nx">context</span><span class="o">,</span> <span class="nx">a</span><span class="o">,</span> <span class="kc">true</span><span class="o">);</span> |
|
394 <span class="o">},</span> |
|
395 |
|
396 <span class="c">/**</span> |
|
397 <span class="c"> * Listen for this event after the normal subscribers have been notified and</span> |
|
398 <span class="c"> * the default behavior has been applied. If a normal subscriber prevents the </span> |
|
399 <span class="c"> * default behavior, it also prevents after listeners from firing.</span> |
|
400 <span class="c"> * @method after</span> |
|
401 <span class="c"> * @param {Function} fn The function to execute</span> |
|
402 <span class="c"> * @return {EventHandle|EventTarget} unsubscribe handle or a</span> |
|
403 <span class="c"> * chainable event target depending on the 'chain' config.</span> |
|
404 <span class="c"> */</span> |
|
405 <span class="nx">after</span><span class="o">:</span> <span class="k">function</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> |
|
406 <span class="k">var</span> <span class="nx">a</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">2</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">2</span><span class="o">,</span> <span class="kc">true</span><span class="o">):</span> <span class="kc">null</span><span class="o">;</span> |
|
407 <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">fn</span><span class="o">,</span> <span class="nx">context</span><span class="o">,</span> <span class="nx">a</span><span class="o">,</span> <span class="nx">AFTER</span><span class="o">);</span> |
|
408 <span class="o">},</span> |
|
409 |
|
410 <span class="c">/**</span> |
|
411 <span class="c"> * Detach listeners.</span> |
|
412 <span class="c"> * @method detach </span> |
|
413 <span class="c"> * @param {Function} fn The subscribed function to remove, if not supplied</span> |
|
414 <span class="c"> * all will be removed</span> |
|
415 <span class="c"> * @param {Object} context The context object passed to subscribe.</span> |
|
416 <span class="c"> * @return {int|EventTarget} returns a chainable event target</span> |
|
417 <span class="c"> * or the number of subscribers unsubscribed.</span> |
|
418 <span class="c"> */</span> |
|
419 <span class="nx">detach</span><span class="o">:</span> <span class="k">function</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> |
|
420 <span class="c">// unsubscribe handle</span> |
|
421 <span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">fn</span> <span class="o">&&</span> <span class="nx">fn</span><span class="o">.</span><span class="nx">detach</span><span class="o">)</span> <span class="o">{</span> |
|
422 <span class="k">return</span> <span class="nx">fn</span><span class="o">.</span><span class="nx">detach</span><span class="o">();</span> |
|
423 <span class="o">}</span> |
|
424 |
|
425 <span class="k">var</span> <span class="nx">found</span> <span class="o">=</span> <span class="m">0</span><span class="o">,</span> <span class="nx">subs</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">subscribers</span><span class="o">,</span> <span class="nx">i</span><span class="o">,</span> <span class="nx">s</span><span class="o">;</span> |
|
426 |
|
427 <span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="k">in</span> <span class="nx">subs</span><span class="o">)</span> <span class="o">{</span> |
|
428 <span class="k">if</span> <span class="o">(</span><span class="nx">subs</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> |
|
429 <span class="nx">s</span> <span class="o">=</span> <span class="nx">subs</span><span class="o">[</span><span class="nx">i</span><span class="o">];</span> |
|
430 <span class="k">if</span> <span class="o">(</span><span class="nx">s</span> <span class="o">&&</span> <span class="o">(!</span><span class="nx">fn</span> <span class="o">||</span> <span class="nx">fn</span> <span class="o">===</span> <span class="nx">s</span><span class="o">.</span><span class="nx">fn</span><span class="o">))</span> <span class="o">{</span> |
|
431 <span class="k">this</span><span class="o">.</span><span class="nx">_delete</span><span class="o">(</span><span class="nx">s</span><span class="o">);</span> |
|
432 <span class="nx">found</span><span class="o">++;</span> |
|
433 <span class="o">}</span> |
|
434 <span class="o">}</span> |
|
435 <span class="o">}</span> |
|
436 |
|
437 <span class="k">return</span> <span class="nx">found</span><span class="o">;</span> |
|
438 <span class="o">},</span> |
|
439 |
|
440 <span class="c">/**</span> |
|
441 <span class="c"> * Detach listeners.</span> |
|
442 <span class="c"> * @method unsubscribe</span> |
|
443 <span class="c"> * @param {Function} fn The subscribed function to remove, if not supplied</span> |
|
444 <span class="c"> * all will be removed</span> |
|
445 <span class="c"> * @param {Object} context The context object passed to subscribe.</span> |
|
446 <span class="c"> * @return {boolean|EventTarget} returns a chainable event target</span> |
|
447 <span class="c"> * or a boolean for legacy detach support.</span> |
|
448 <span class="c"> * @deprecated use detach</span> |
|
449 <span class="c"> */</span> |
|
450 <span class="nx">unsubscribe</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> |
|
451 <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> |
|
452 <span class="o">},</span> |
|
453 |
|
454 |
|
455 <span class="c">/**</span> |
|
456 <span class="c"> * Notify a single subscriber</span> |
|
457 <span class="c"> * @method _notify</span> |
|
458 <span class="c"> * @param s {Subscriber} the subscriber</span> |
|
459 <span class="c"> * @param args {Array} the arguments array to apply to the listener</span> |
|
460 <span class="c"> * @private</span> |
|
461 <span class="c"> */</span> |
|
462 <span class="nx">_notify</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">s</span><span class="o">,</span> <span class="nx">args</span><span class="o">,</span> <span class="nx">ef</span><span class="o">)</span> <span class="o">{</span> |
|
463 |
|
464 <span class="k">this</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">type</span> <span class="o">+</span> <span class="s2">"->"</span> <span class="o">+</span> <span class="s2">"sub: "</span> <span class="o">+</span> <span class="nx">s</span><span class="o">.</span><span class="nx">id</span><span class="o">);</span> |
|
465 |
|
466 <span class="k">var</span> <span class="nx">ret</span><span class="o">;</span> |
|
467 |
|
468 <span class="nx">ret</span> <span class="o">=</span> <span class="nx">s</span><span class="o">.</span><span class="nx">notify</span><span class="o">(</span><span class="nx">args</span><span class="o">,</span> <span class="k">this</span><span class="o">);</span> |
|
469 |
|
470 <span class="k">if</span> <span class="o">(</span><span class="kc">false</span> <span class="o">===</span> <span class="nx">ret</span> <span class="o">||</span> <span class="k">this</span><span class="o">.</span><span class="nx">stopped</span> <span class="o">></span> <span class="m">1</span><span class="o">)</span> <span class="o">{</span> |
|
471 <span class="k">this</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">type</span> <span class="o">+</span> <span class="s2">" cancelled by subscriber"</span><span class="o">);</span> |
|
472 <span class="k">return</span> <span class="kc">false</span><span class="o">;</span> |
|
473 <span class="o">}</span> |
|
474 |
|
475 <span class="k">return</span> <span class="kc">true</span><span class="o">;</span> |
|
476 <span class="o">},</span> |
|
477 |
|
478 <span class="c">/**</span> |
|
479 <span class="c"> * Logger abstraction to centralize the application of the silent flag</span> |
|
480 <span class="c"> * @method log</span> |
|
481 <span class="c"> * @param msg {string} message to log</span> |
|
482 <span class="c"> * @param cat {string} log category</span> |
|
483 <span class="c"> */</span> |
|
484 <span class="nx">log</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">msg</span><span class="o">,</span> <span class="nx">cat</span><span class="o">)</span> <span class="o">{</span> |
|
485 <span class="k">if</span> <span class="o">(!</span><span class="k">this</span><span class="o">.</span><span class="nx">silent</span><span class="o">)</span> <span class="o">{</span> |
|
486 <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">id</span> <span class="o">+</span> <span class="s1">': '</span> <span class="o">+</span> <span class="nx">msg</span><span class="o">,</span> <span class="nx">cat</span> <span class="o">||</span> <span class="s2">"info"</span><span class="o">,</span> <span class="s2">"event"</span><span class="o">);</span> |
|
487 <span class="o">}</span> |
|
488 <span class="o">},</span> |
|
489 |
|
490 <span class="c">/**</span> |
|
491 <span class="c"> * Notifies the subscribers. The callback functions will be executed</span> |
|
492 <span class="c"> * from the context specified when the event was created, and with the </span> |
|
493 <span class="c"> * following parameters:</span> |
|
494 <span class="c"> * <ul></span> |
|
495 <span class="c"> * <li>The type of event</li></span> |
|
496 <span class="c"> * <li>All of the arguments fire() was executed with as an array</li></span> |
|
497 <span class="c"> * <li>The custom object (if any) that was passed into the subscribe() </span> |
|
498 <span class="c"> * method</li></span> |
|
499 <span class="c"> * </ul></span> |
|
500 <span class="c"> * @method fire </span> |
|
501 <span class="c"> * @param {Object*} arguments an arbitrary set of parameters to pass to </span> |
|
502 <span class="c"> * the handler.</span> |
|
503 <span class="c"> * @return {boolean} false if one of the subscribers returned false, </span> |
|
504 <span class="c"> * true otherwise</span> |
|
505 <span class="c"> * </span> |
|
506 <span class="c"> */</span> |
|
507 <span class="nx">fire</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> |
|
508 <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">fireOnce</span> <span class="o">&&</span> <span class="k">this</span><span class="o">.</span><span class="nx">fired</span><span class="o">)</span> <span class="o">{</span> |
|
509 <span class="k">this</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">'fireOnce event: '</span> <span class="o">+</span> <span class="k">this</span><span class="o">.</span><span class="nx">type</span> <span class="o">+</span> <span class="s1">' already fired'</span><span class="o">);</span> |
|
510 <span class="k">return</span> <span class="kc">true</span><span class="o">;</span> |
|
511 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
512 |
|
513 <span class="k">var</span> <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> |
|
514 |
|
515 <span class="k">this</span><span class="o">.</span><span class="nx">fired</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
516 <span class="k">this</span><span class="o">.</span><span class="nx">firedWith</span> <span class="o">=</span> <span class="nx">args</span><span class="o">;</span> |
|
517 |
|
518 <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">emitFacade</span><span class="o">)</span> <span class="o">{</span> |
|
519 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">fireComplex</span><span class="o">(</span><span class="nx">args</span><span class="o">);</span> |
|
520 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
521 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">fireSimple</span><span class="o">(</span><span class="nx">args</span><span class="o">);</span> |
|
522 <span class="o">}</span> |
|
523 <span class="o">}</span> |
|
524 <span class="o">},</span> |
|
525 |
|
526 <span class="nx">fireSimple</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">args</span><span class="o">)</span> <span class="o">{</span> |
|
527 <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">hasSubscribers</span> <span class="o">||</span> <span class="k">this</span><span class="o">.</span><span class="nx">hasAfters</span><span class="o">)</span> <span class="o">{</span> |
|
528 <span class="k">this</span><span class="o">.</span><span class="nx">_procSubs</span><span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">merge</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">subscribers</span><span class="o">,</span> <span class="k">this</span><span class="o">.</span><span class="nx">afters</span><span class="o">),</span> <span class="nx">args</span><span class="o">);</span> |
|
529 <span class="o">}</span> |
|
530 <span class="k">this</span><span class="o">.</span><span class="nx">_broadcast</span><span class="o">(</span><span class="nx">args</span><span class="o">);</span> |
|
531 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">stopped</span> <span class="o">?</span> <span class="kc">false</span> <span class="o">:</span> <span class="kc">true</span><span class="o">;</span> |
|
532 <span class="o">},</span> |
|
533 |
|
534 <span class="c">// Requires the event-custom-complex module for full funcitonality.</span> |
|
535 <span class="c"></span> <span class="nx">fireComplex</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">args</span><span class="o">)</span> <span class="o">{</span> |
|
536 <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">args</span><span class="o">[</span><span class="m">0</span><span class="o">]</span> <span class="o">||</span> <span class="o">{};</span> |
|
537 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">fireSimple</span><span class="o">(</span><span class="nx">args</span><span class="o">);</span> |
|
538 <span class="o">},</span> |
|
539 |
|
540 <span class="nx">_procSubs</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">subs</span><span class="o">,</span> <span class="nx">args</span><span class="o">,</span> <span class="nx">ef</span><span class="o">)</span> <span class="o">{</span> |
|
541 <span class="k">var</span> <span class="nx">s</span><span class="o">,</span> <span class="nx">i</span><span class="o">;</span> |
|
542 <span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="k">in</span> <span class="nx">subs</span><span class="o">)</span> <span class="o">{</span> |
|
543 <span class="k">if</span> <span class="o">(</span><span class="nx">subs</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> |
|
544 <span class="nx">s</span> <span class="o">=</span> <span class="nx">subs</span><span class="o">[</span><span class="nx">i</span><span class="o">];</span> |
|
545 <span class="k">if</span> <span class="o">(</span><span class="nx">s</span> <span class="o">&&</span> <span class="nx">s</span><span class="o">.</span><span class="nx">fn</span><span class="o">)</span> <span class="o">{</span> |
|
546 <span class="k">if</span> <span class="o">(</span><span class="kc">false</span> <span class="o">===</span> <span class="k">this</span><span class="o">.</span><span class="nx">_notify</span><span class="o">(</span><span class="nx">s</span><span class="o">,</span> <span class="nx">args</span><span class="o">,</span> <span class="nx">ef</span><span class="o">))</span> <span class="o">{</span> |
|
547 <span class="k">this</span><span class="o">.</span><span class="nx">stopped</span> <span class="o">=</span> <span class="m">2</span><span class="o">;</span> |
|
548 <span class="o">}</span> |
|
549 <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">stopped</span> <span class="o">==</span> <span class="m">2</span><span class="o">)</span> <span class="o">{</span> |
|
550 <span class="k">return</span> <span class="kc">false</span><span class="o">;</span> |
|
551 <span class="o">}</span> |
|
552 <span class="o">}</span> |
|
553 <span class="o">}</span> |
|
554 <span class="o">}</span> |
|
555 |
|
556 <span class="k">return</span> <span class="kc">true</span><span class="o">;</span> |
|
557 <span class="o">},</span> |
|
558 |
|
559 <span class="nx">_broadcast</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">args</span><span class="o">)</span> <span class="o">{</span> |
|
560 <span class="k">if</span> <span class="o">(!</span><span class="k">this</span><span class="o">.</span><span class="nx">stopped</span> <span class="o">&&</span> <span class="k">this</span><span class="o">.</span><span class="nx">broadcast</span><span class="o">)</span> <span class="o">{</span> |
|
561 |
|
562 <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">args</span><span class="o">);</span> |
|
563 <span class="nx">a</span><span class="o">.</span><span class="nx">unshift</span><span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">type</span><span class="o">);</span> |
|
564 |
|
565 <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">host</span> <span class="o">!==</span> <span class="nx">Y</span><span class="o">)</span> <span class="o">{</span> |
|
566 <span class="nx">Y</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">Y</span><span class="o">,</span> <span class="nx">a</span><span class="o">);</span> |
|
567 <span class="o">}</span> |
|
568 |
|
569 <span class="k">if</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">broadcast</span> <span class="o">==</span> <span class="m">2</span><span class="o">)</span> <span class="o">{</span> |
|
570 <span class="nx">Y</span><span class="o">.</span><span class="nx">Global</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">Y</span><span class="o">.</span><span class="nx">Global</span><span class="o">,</span> <span class="nx">a</span><span class="o">);</span> |
|
571 <span class="o">}</span> |
|
572 <span class="o">}</span> |
|
573 <span class="o">},</span> |
|
574 |
|
575 <span class="c">/**</span> |
|
576 <span class="c"> * Removes all listeners</span> |
|
577 <span class="c"> * @method unsubscribeAll</span> |
|
578 <span class="c"> * @return {int} The number of listeners unsubscribed</span> |
|
579 <span class="c"> * @deprecated use detachAll</span> |
|
580 <span class="c"> */</span> |
|
581 <span class="nx">unsubscribeAll</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> |
|
582 <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> |
|
583 <span class="o">},</span> |
|
584 |
|
585 <span class="c">/**</span> |
|
586 <span class="c"> * Removes all listeners</span> |
|
587 <span class="c"> * @method detachAll</span> |
|
588 <span class="c"> * @return {int} The number of listeners unsubscribed</span> |
|
589 <span class="c"> */</span> |
|
590 <span class="nx">detachAll</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> |
|
591 <span class="k">return</span> <span class="k">this</span><span class="o">.</span><span class="nx">detach</span><span class="o">();</span> |
|
592 <span class="o">},</span> |
|
593 |
|
594 <span class="c">/**</span> |
|
595 <span class="c"> * @method _delete</span> |
|
596 <span class="c"> * @param subscriber object</span> |
|
597 <span class="c"> * @private</span> |
|
598 <span class="c"> */</span> |
|
599 <span class="nx">_delete</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">s</span><span class="o">)</span> <span class="o">{</span> |
|
600 <span class="k">if</span> <span class="o">(</span><span class="nx">s</span><span class="o">)</span> <span class="o">{</span> |
|
601 <span class="nx">delete</span> <span class="nx">s</span><span class="o">.</span><span class="nx">fn</span><span class="o">;</span> |
|
602 <span class="nx">delete</span> <span class="nx">s</span><span class="o">.</span><span class="nx">context</span><span class="o">;</span> |
|
603 <span class="nx">delete</span> <span class="k">this</span><span class="o">.</span><span class="nx">subscribers</span><span class="o">[</span><span class="nx">s</span><span class="o">.</span><span class="nx">id</span><span class="o">];</span> |
|
604 <span class="nx">delete</span> <span class="k">this</span><span class="o">.</span><span class="nx">afters</span><span class="o">[</span><span class="nx">s</span><span class="o">.</span><span class="nx">id</span><span class="o">];</span> |
|
605 <span class="o">}</span> |
|
606 <span class="o">}</span> |
|
607 <span class="o">};</span> |
|
608 |
|
609 <span class="c">/////////////////////////////////////////////////////////////////////</span> |
|
610 <span class="c"></span> |
|
611 <span class="c">/**</span> |
|
612 <span class="c"> * Stores the subscriber information to be used when the event fires.</span> |
|
613 <span class="c"> * @param {Function} fn The wrapped function to execute</span> |
|
614 <span class="c"> * @param {Object} context The value of the keyword 'this' in the listener</span> |
|
615 <span class="c"> * @param {Array} args* 0..n additional arguments to supply the listener</span> |
|
616 <span class="c"> *</span> |
|
617 <span class="c"> * @class Subscriber</span> |
|
618 <span class="c"> * @constructor</span> |
|
619 <span class="c"> */</span> |
|
620 <span class="nx">Y</span><span class="o">.</span><span class="nx">Subscriber</span> <span class="o">=</span> <span class="k">function</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">args</span><span class="o">)</span> <span class="o">{</span> |
|
621 |
|
622 <span class="c">/**</span> |
|
623 <span class="c"> * The callback that will be execute when the event fires</span> |
|
624 <span class="c"> * This is wrapped by Y.rbind if obj was supplied.</span> |
|
625 <span class="c"> * @property fn</span> |
|
626 <span class="c"> * @type Function</span> |
|
627 <span class="c"> */</span> |
|
628 <span class="k">this</span><span class="o">.</span><span class="nx">fn</span> <span class="o">=</span> <span class="nx">fn</span><span class="o">;</span> |
|
629 |
|
630 <span class="c">/**</span> |
|
631 <span class="c"> * Optional 'this' keyword for the listener</span> |
|
632 <span class="c"> * @property context</span> |
|
633 <span class="c"> * @type Object</span> |
|
634 <span class="c"> */</span> |
|
635 <span class="k">this</span><span class="o">.</span><span class="nx">context</span> <span class="o">=</span> <span class="nx">context</span><span class="o">;</span> |
|
636 |
|
637 <span class="c">/**</span> |
|
638 <span class="c"> * Unique subscriber id</span> |
|
639 <span class="c"> * @property id</span> |
|
640 <span class="c"> * @type String</span> |
|
641 <span class="c"> */</span> |
|
642 <span class="k">this</span><span class="o">.</span><span class="nx">id</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="k">this</span><span class="o">);</span> |
|
643 |
|
644 <span class="c">/**</span> |
|
645 <span class="c"> * Additional arguments to propagate to the subscriber</span> |
|
646 <span class="c"> * @property args</span> |
|
647 <span class="c"> * @type Array</span> |
|
648 <span class="c"> */</span> |
|
649 <span class="k">this</span><span class="o">.</span><span class="nx">args</span> <span class="o">=</span> <span class="nx">args</span><span class="o">;</span> |
|
650 |
|
651 <span class="c">/**</span> |
|
652 <span class="c"> * Custom events for a given fire transaction.</span> |
|
653 <span class="c"> * @property events</span> |
|
654 <span class="c"> * @type {EventTarget}</span> |
|
655 <span class="c"> */</span> |
|
656 <span class="k">this</span><span class="o">.</span><span class="nx">events</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span> |
|
657 |
|
658 <span class="o">};</span> |
|
659 |
|
660 <span class="nx">Y</span><span class="o">.</span><span class="nx">Subscriber</span><span class="o">.</span><span class="nx">prototype</span> <span class="o">=</span> <span class="o">{</span> |
|
661 |
|
662 <span class="nx">_notify</span><span class="o">:</span> <span class="k">function</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">ce</span><span class="o">)</span> <span class="o">{</span> |
|
663 <span class="k">var</span> <span class="nx">a</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">args</span><span class="o">,</span> <span class="nx">ret</span><span class="o">;</span> |
|
664 <span class="nx">switch</span> <span class="o">(</span><span class="nx">ce</span><span class="o">.</span><span class="nx">signature</span><span class="o">)</span> <span class="o">{</span> |
|
665 <span class="nx">case</span> <span class="m">0</span><span class="o">:</span> |
|
666 <span class="nx">ret</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">fn</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="nx">c</span><span class="o">,</span> <span class="nx">ce</span><span class="o">.</span><span class="nx">type</span><span class="o">,</span> <span class="nx">args</span><span class="o">,</span> <span class="nx">c</span><span class="o">);</span> |
|
667 <span class="k">break</span><span class="o">;</span> |
|
668 <span class="nx">case</span> <span class="m">1</span><span class="o">:</span> |
|
669 <span class="nx">ret</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">fn</span><span class="o">.</span><span class="nx">call</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="m">0</span><span class="o">]</span> <span class="o">||</span> <span class="kc">null</span><span class="o">,</span> <span class="nx">c</span><span class="o">);</span> |
|
670 <span class="k">break</span><span class="o">;</span> |
|
671 <span class="nx">default</span><span class="o">:</span> |
|
672 <span class="k">if</span> <span class="o">(</span><span class="nx">a</span> <span class="o">||</span> <span class="nx">args</span><span class="o">)</span> <span class="o">{</span> |
|
673 <span class="nx">args</span> <span class="o">=</span> <span class="nx">args</span> <span class="o">||</span> <span class="o">[];</span> |
|
674 <span class="nx">a</span> <span class="o">=</span> <span class="o">(</span><span class="nx">a</span><span class="o">)</span> <span class="o">?</span> <span class="nx">args</span><span class="o">.</span><span class="nx">concat</span><span class="o">(</span><span class="nx">a</span><span class="o">)</span> <span class="o">:</span> <span class="nx">args</span><span class="o">;</span> |
|
675 <span class="nx">ret</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">fn</span><span class="o">.</span><span class="nx">apply</span><span class="o">(</span><span class="nx">c</span><span class="o">,</span> <span class="nx">a</span><span class="o">);</span> |
|
676 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
677 <span class="nx">ret</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">fn</span><span class="o">.</span><span class="nx">call</span><span class="o">(</span><span class="nx">c</span><span class="o">);</span> |
|
678 <span class="o">}</span> |
|
679 <span class="o">}</span> |
|
680 |
|
681 <span class="k">return</span> <span class="nx">ret</span><span class="o">;</span> |
|
682 <span class="o">},</span> |
|
683 |
|
684 <span class="c">/**</span> |
|
685 <span class="c"> * Executes the subscriber.</span> |
|
686 <span class="c"> * @method notify</span> |
|
687 <span class="c"> * @param args {Array} Arguments array for the subscriber</span> |
|
688 <span class="c"> * @param ce {CustomEvent} The custom event that sent the notification</span> |
|
689 <span class="c"> */</span> |
|
690 <span class="nx">notify</span><span class="o">:</span> <span class="k">function</span><span class="o">(</span><span class="nx">args</span><span class="o">,</span> <span class="nx">ce</span><span class="o">)</span> <span class="o">{</span> |
|
691 <span class="k">var</span> <span class="nx">c</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">context</span><span class="o">,</span> |
|
692 <span class="nx">ret</span> <span class="o">=</span> <span class="kc">true</span><span class="o">;</span> |
|
693 |
|
694 <span class="k">if</span> <span class="o">(!</span><span class="nx">c</span><span class="o">)</span> <span class="o">{</span> |
|
695 <span class="nx">c</span> <span class="o">=</span> <span class="o">(</span><span class="nx">ce</span><span class="o">.</span><span class="nx">contextFn</span><span class="o">)</span> <span class="o">?</span> <span class="nx">ce</span><span class="o">.</span><span class="nx">contextFn</span><span class="o">()</span> <span class="o">:</span> <span class="nx">ce</span><span class="o">.</span><span class="nx">context</span><span class="o">;</span> |
|
696 <span class="o">}</span> |
|
697 |
|
698 <span class="c">// only catch errors if we will not re-throw them.</span> |
|
699 <span class="c"></span> <span class="k">if</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">throwFail</span><span class="o">)</span> <span class="o">{</span> |
|
700 <span class="nx">ret</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_notify</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">ce</span><span class="o">);</span> |
|
701 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
702 <span class="k">try</span> <span class="o">{</span> |
|
703 <span class="nx">ret</span> <span class="o">=</span> <span class="k">this</span><span class="o">.</span><span class="nx">_notify</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">ce</span><span class="o">);</span> |
|
704 <span class="o">}</span> <span class="k">catch</span><span class="o">(</span><span class="nx">e</span><span class="o">)</span> <span class="o">{</span> |
|
705 <span class="nx">Y</span><span class="o">.</span><span class="nx">error</span><span class="o">(</span><span class="k">this</span> <span class="o">+</span> <span class="s1">' failed: '</span> <span class="o">+</span> <span class="nx">e</span><span class="o">.</span><span class="nx">message</span><span class="o">,</span> <span class="nx">e</span><span class="o">);</span> |
|
706 <span class="o">}</span> |
|
707 <span class="o">}</span> |
|
708 |
|
709 <span class="k">return</span> <span class="nx">ret</span><span class="o">;</span> |
|
710 <span class="o">},</span> |
|
711 |
|
712 <span class="c">/**</span> |
|
713 <span class="c"> * Returns true if the fn and obj match this objects properties.</span> |
|
714 <span class="c"> * Used by the unsubscribe method to match the right subscriber.</span> |
|
715 <span class="c"> *</span> |
|
716 <span class="c"> * @method contains</span> |
|
717 <span class="c"> * @param {Function} fn the function to execute</span> |
|
718 <span class="c"> * @param {Object} context optional 'this' keyword for the listener</span> |
|
719 <span class="c"> * @return {boolean} true if the supplied arguments match this </span> |
|
720 <span class="c"> * subscriber's signature.</span> |
|
721 <span class="c"> */</span> |
|
722 <span class="nx">contains</span><span class="o">:</span> <span class="k">function</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> |
|
723 <span class="k">if</span> <span class="o">(</span><span class="nx">context</span><span class="o">)</span> <span class="o">{</span> |
|
724 <span class="k">return</span> <span class="o">((</span><span class="k">this</span><span class="o">.</span><span class="nx">fn</span> <span class="o">==</span> <span class="nx">fn</span><span class="o">)</span> <span class="o">&&</span> <span class="k">this</span><span class="o">.</span><span class="nx">context</span> <span class="o">==</span> <span class="nx">context</span><span class="o">);</span> |
|
725 <span class="o">}</span> <span class="k">else</span> <span class="o">{</span> |
|
726 <span class="k">return</span> <span class="o">(</span><span class="k">this</span><span class="o">.</span><span class="nx">fn</span> <span class="o">==</span> <span class="nx">fn</span><span class="o">);</span> |
|
727 <span class="o">}</span> |
|
728 <span class="o">}</span> |
|
729 |
|
730 <span class="o">};</span> |
|
731 </pre></div> |
|
732 |
|
733 </div> |
|
734 </div> |
|
735 </div> |
|
736 <div class="yui-b"> |
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737 <div class="nav"> |
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738 |
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739 <div id="moduleList" class="module"> |
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740 <h4>Modules</h4> |
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741 <ul class="content"> |
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742 <li class=""><a href="module_anim.html" title="anim">anim</a></li> |
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743 <li class=""><a href="module_async-queue.html" title="async-queue">async-queue</a></li> |
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744 <li class=""><a href="module_attribute.html" title="attribute">attribute</a></li> |
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745 <li class=""><a href="module_base.html" title="base">base</a></li> |
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746 <li class=""><a href="module_cache.html" title="cache">cache</a></li> |
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747 <li class=""><a href="module_classnamemanager.html" title="classnamemanager">classnamemanager</a></li> |
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748 <li class=""><a href="module_collection.html" title="collection">collection</a></li> |
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749 <li class=""><a href="module_console.html" title="console">console</a></li> |
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750 <li class=""><a href="module_console-filters.html" title="console-filters">console-filters</a></li> |
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751 <li class=""><a href="module_cookie.html" title="cookie">cookie</a></li> |
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752 <li class=""><a href="module_dataschema.html" title="dataschema">dataschema</a></li> |
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753 <li class=""><a href="module_datasource.html" title="datasource">datasource</a></li> |
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754 <li class=""><a href="module_datatype.html" title="datatype">datatype</a></li> |
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755 <li class=""><a href="module_dd.html" title="dd">dd</a></li> |
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756 <li class=""><a href="module_dom.html" title="dom">dom</a></li> |
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757 <li class=""><a href="module_dump.html" title="dump">dump</a></li> |
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758 <li class=""><a href="module_event.html" title="event">event</a></li> |
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759 <li class="selected"><a href="module_event-custom.html" title="event-custom">event-custom</a></li> |
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760 <li class=""><a href="module_event-simulate.html" title="event-simulate">event-simulate</a></li> |
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761 <li class=""><a href="module_history.html" title="history">history</a></li> |
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762 <li class=""><a href="module_imageloader.html" title="imageloader">imageloader</a></li> |
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763 <li class=""><a href="module_io.html" title="io">io</a></li> |
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764 <li class=""><a href="module_json.html" title="json">json</a></li> |
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765 <li class=""><a href="module_node.html" title="node">node</a></li> |
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766 <li class=""><a href="module_node-focusmanager.html" title="node-focusmanager">node-focusmanager</a></li> |
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767 <li class=""><a href="module_node-menunav.html" title="node-menunav">node-menunav</a></li> |
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768 <li class=""><a href="module_oop.html" title="oop">oop</a></li> |
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769 <li class=""><a href="module_overlay.html" title="overlay">overlay</a></li> |
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770 <li class=""><a href="module_plugin.html" title="plugin">plugin</a></li> |
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771 <li class=""><a href="module_profiler.html" title="profiler">profiler</a></li> |
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772 <li class=""><a href="module_queue-promote.html" title="queue-promote">queue-promote</a></li> |
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773 <li class=""><a href="module_slider.html" title="slider">slider</a></li> |
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774 <li class=""><a href="module_stylesheet.html" title="stylesheet">stylesheet</a></li> |
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775 <li class=""><a href="module_substitute.html" title="substitute">substitute</a></li> |
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776 <li class=""><a href="module_test.html" title="test">test</a></li> |
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777 <li class=""><a href="module_widget.html" title="widget">widget</a></li> |
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778 <li class=""><a href="module_widget-position.html" title="widget-position">widget-position</a></li> |
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779 <li class=""><a href="module_widget-position-ext.html" title="widget-position-ext">widget-position-ext</a></li> |
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780 <li class=""><a href="module_widget-stack.html" title="widget-stack">widget-stack</a></li> |
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781 <li class=""><a href="module_widget-stdmod.html" title="widget-stdmod">widget-stdmod</a></li> |
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782 <li class=""><a href="module_yui.html" title="yui">yui</a></li> |
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783 </ul> |
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784 </div> |
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785 |
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786 <div id="classList" class="module"> |
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787 <h4>Classes</h4> |
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788 <ul class="content"> |
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789 <li class=""><a href="CustomEvent.html" title="CustomEvent">CustomEvent</a></li> |
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790 <li class=""><a href="Do.html" title="Do">Do</a></li> |
|
791 <li class=""><a href="Do.AlterArgs.html" title="Do.AlterArgs">Do.AlterArgs</a></li> |
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792 <li class=""><a href="Do.AlterReturn.html" title="Do.AlterReturn">Do.AlterReturn</a></li> |
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793 <li class=""><a href="Do.Error.html" title="Do.Error">Do.Error</a></li> |
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794 <li class=""><a href="Do.Halt.html" title="Do.Halt">Do.Halt</a></li> |
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795 <li class=""><a href="Do.Method.html" title="Do.Method">Do.Method</a></li> |
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796 <li class=""><a href="Do.Prevent.html" title="Do.Prevent">Do.Prevent</a></li> |
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797 <li class=""><a href="EventFacade.html" title="EventFacade">EventFacade</a></li> |
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798 <li class=""><a href="EventHandle.html" title="EventHandle">EventHandle</a></li> |
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799 <li class=""><a href="EventTarget.html" title="EventTarget">EventTarget</a></li> |
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800 <li class=""><a href="Subscriber.html" title="Subscriber">Subscriber</a></li> |
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801 </ul> |
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802 </div> |
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803 |
|
804 <div id="fileList" class="module"> |
|
805 <h4>Files</h4> |
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806 <ul class="content"> |
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807 <li class="selected"><a href="event-custom.js.html" title="event-custom.js">event-custom.js</a></li> |
|
808 <li class=""><a href="event-do.js.html" title="event-do.js">event-do.js</a></li> |
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809 <li class=""><a href="event-facade.js.html" title="event-facade.js">event-facade.js</a></li> |
|
810 <li class=""><a href="event-target.js.html" title="event-target.js">event-target.js</a></li> |
|
811 <li class=""><a href="event.js.html" title="event.js">event.js</a></li> |
|
812 </ul> |
|
813 </div> |
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814 |
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815 |
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816 |
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817 |
|
818 |
|
819 </div> |
|
820 </div> |
|
821 </div> |
|
822 <div id="ft"> |
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823 <hr /> |
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824 Copyright © 2009 Yahoo! Inc. All rights reserved. |
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825 </div> |
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826 </div> |
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827 <script type="text/javascript"> |
|
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829 </script> |
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830 </body> |
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831 </html> |