src/cm/media/js/lib/yui/yui3.0.0/api/io-upload-iframe.js.html
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     1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
       
     2 <html xmlns:yui="http://yuilibrary.com/rdf/1.0/yui.rdf#">
       
     3 <head>
       
     4     <meta http-equiv="content-type" content="text/html; charset=UTF-8" />
       
     5 	<title>API: io   io-upload-iframe.js  (YUI Library)</title>
       
     6 
       
     7 	<link rel="stylesheet" type="text/css" href="assets/reset-fonts-grids-min.css" />
       
     8 	<link rel="stylesheet" type="text/css" href="assets/api.css" />
       
     9 
       
    10     <script type="text/javascript" src="assets/api-js"></script>
       
    11     <script type="text/javascript" src="assets/ac-js"></script>
       
    12 </head>
       
    13 
       
    14 <body id="yahoo-com">
       
    15 
       
    16 <div id="doc3" class="yui-t2">
       
    17 	<div id="hd">
       
    18         <h1><a href="http://developer.yahoo.com/yui/" title="Yahoo! UI Library">Yahoo! UI Library</a></h1>
       
    19         <h3>io&nbsp; <span class="subtitle">3.0.0</span></h3>
       
    20         <a href="./index.html" title="Yahoo! UI Library">Yahoo! UI Library</a> 
       
    21             &gt; <a href="./module_io.html" title="io">io</a>
       
    22                 
       
    23                  &gt; io-upload-iframe.js (source view) 
       
    24         <form onsubmit="return false">
       
    25             <div id="propertysearch">
       
    26                 Search: <input autocomplete="off" id="searchinput" />
       
    27                 <div id="searchresults">
       
    28                     &nbsp;
       
    29                 </div>
       
    30             </div>
       
    31         </form>
       
    32 	</div>
       
    33 
       
    34 	<div id="bd">
       
    35 		<div id="yui-main">
       
    36 			<div class="yui-b">
       
    37             <form action="#" name="yui-classopts-form" method="get" id="yui-classopts-form">
       
    38                 <fieldset>
       
    39                     <legend>Filters</legend>
       
    40                 <span class="classopts"><input type="checkbox" name="show_private" id="show_private" /> <label for="show_private">Show Private</label></span>
       
    41                 <span class="classopts"><input type="checkbox" name="show_protected" id="show_protected" /> <label for="show_protected">Show Protected</label></span>
       
    42                 <span class="classopts"><input type="checkbox" name="show_deprecated" id="show_deprecated" /> <label for="show_deprecated">Show Deprecated</label></span>
       
    43                 </fieldset>
       
    44             </form>
       
    45 
       
    46                     <div id="srcout">
       
    47                         <style>
       
    48                             #doc3 .classopts { display:none; }
       
    49                         </style>
       
    50                         <div class="highlight" ><pre>   <span class="c">/**</span>
       
    51 <span class="c">   	* Extends the IO base class to enable file uploads, with HTML forms,</span>
       
    52 <span class="c">   	* using an iframe as the transport medium.</span>
       
    53 <span class="c">	* @module io</span>
       
    54 <span class="c">	* @submodule io-upload-iframe</span>
       
    55 <span class="c">	*/</span>
       
    56 
       
    57 	<span class="k">var</span> <span class="nx">w</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">win</span><span class="o">;</span>
       
    58    <span class="c">/**</span>
       
    59 <span class="c">	* @description Parses the POST data object and creates hidden form elements</span>
       
    60 <span class="c">	* for each key-value, and appends them to the HTML form object.</span>
       
    61 <span class="c">	* @method appendData</span>
       
    62 <span class="c">	* @private</span>
       
    63 <span class="c">	* @static</span>
       
    64 <span class="c">	* @param {object} f HTML form object.</span>
       
    65 <span class="c">	* @param {string} s The key-value POST data.</span>
       
    66 <span class="c">	* @return {array} e Array of created fields.</span>
       
    67 <span class="c">	*/</span>
       
    68 	<span class="k">function</span> <span class="nx">_addData</span><span class="o">(</span><span class="nx">f</span><span class="o">,</span> <span class="nx">s</span><span class="o">)</span> <span class="o">{</span>
       
    69 		<span class="k">var</span> <span class="nx">o</span> <span class="o">=</span> <span class="o">[],</span>
       
    70 			<span class="nx">m</span> <span class="o">=</span> <span class="nx">s</span><span class="o">.</span><span class="nx">split</span><span class="o">(</span><span class="s1">&#39;=&#39;</span><span class="o">),</span>
       
    71 			<span class="nx">i</span><span class="o">,</span> <span class="nx">l</span><span class="o">;</span>
       
    72 
       
    73 		<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">l</span> <span class="o">=</span> <span class="nx">m</span><span class="o">.</span><span class="nx">length</span> <span class="o">-</span> <span class="m">1</span><span class="o">;</span> <span class="nx">i</span> <span class="o">&lt;</span> <span class="nx">l</span><span class="o">;</span> <span class="nx">i</span><span class="o">++)</span> <span class="o">{</span>
       
    74 			<span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">]</span> <span class="o">=</span> <span class="nb">document</span><span class="o">.</span><span class="nx">createElement</span><span class="o">(</span><span class="s1">&#39;input&#39;</span><span class="o">);</span>
       
    75 			<span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">].</span><span class="nx">type</span> <span class="o">=</span> <span class="s1">&#39;hidden&#39;</span><span class="o">;</span>
       
    76 			<span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">].</span><span class="nx">name</span> <span class="o">=</span> <span class="nx">m</span><span class="o">[</span><span class="nx">i</span><span class="o">].</span><span class="nx">substring</span><span class="o">(</span><span class="nx">m</span><span class="o">[</span><span class="nx">i</span><span class="o">].</span><span class="nx">lastIndexOf</span><span class="o">(</span><span class="s1">&#39;&amp;&#39;</span><span class="o">)</span> <span class="o">+</span> <span class="m">1</span><span class="o">);</span>
       
    77 			<span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">].</span><span class="nx">value</span> <span class="o">=</span> <span class="o">(</span><span class="nx">i</span> <span class="o">+</span> <span class="m">1</span> <span class="o">===</span> <span class="nx">l</span><span class="o">)</span> <span class="o">?</span> <span class="nx">m</span><span class="o">[</span><span class="nx">i</span> <span class="o">+</span> <span class="m">1</span><span class="o">]</span> <span class="o">:</span> <span class="nx">m</span><span class="o">[</span><span class="nx">i</span> <span class="o">+</span> <span class="m">1</span><span class="o">].</span><span class="nx">substring</span><span class="o">(</span><span class="m">0</span><span class="o">,</span> <span class="o">(</span><span class="nx">m</span><span class="o">[</span><span class="nx">i</span> <span class="o">+</span> <span class="m">1</span><span class="o">].</span><span class="nx">lastIndexOf</span><span class="o">(</span><span class="s1">&#39;&amp;&#39;</span><span class="o">)));</span>
       
    78 			<span class="nx">f</span><span class="o">.</span><span class="nx">appendChild</span><span class="o">(</span><span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">]);</span>
       
    79 			<span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">&#39;key: &#39;</span> <span class="o">+</span>  <span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">].</span><span class="nx">name</span> <span class="o">+</span> <span class="s1">&#39; and value: &#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">].</span><span class="nx">value</span> <span class="o">+</span> <span class="s1">&#39; added as form data.&#39;</span><span class="o">,</span> <span class="s1">&#39;info&#39;</span><span class="o">,</span> <span class="s1">&#39;io&#39;</span><span class="o">);</span>
       
    80 		<span class="o">}</span>
       
    81 
       
    82 		<span class="k">return</span> <span class="nx">o</span><span class="o">;</span>
       
    83 	<span class="o">}</span>
       
    84 
       
    85    <span class="c">/**</span>
       
    86 <span class="c">	* @description Removes the custom fields created to pass additional POST</span>
       
    87 <span class="c">	* data, along with the HTML form fields.</span>
       
    88 <span class="c">	* @method f</span>
       
    89 <span class="c">	* @private</span>
       
    90 <span class="c">	* @static</span>
       
    91 <span class="c">	* @param {object} f HTML form object.</span>
       
    92 <span class="c">	* @param {object} o HTML form fields created from configuration.data.</span>
       
    93 <span class="c">	* @return {void}</span>
       
    94 <span class="c">	*/</span>
       
    95 	<span class="k">function</span> <span class="nx">_removeData</span><span class="o">(</span><span class="nx">f</span><span class="o">,</span> <span class="nx">o</span><span class="o">)</span> <span class="o">{</span>
       
    96 		<span class="k">var</span> <span class="nx">i</span><span class="o">,</span> <span class="nx">l</span><span class="o">;</span>
       
    97 
       
    98 		<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">l</span> <span class="o">=</span> <span class="nx">o</span><span class="o">.</span><span class="nx">length</span><span class="o">;</span> <span class="nx">i</span> <span class="o">&lt;</span> <span class="nx">l</span><span class="o">;</span> <span class="nx">i</span><span class="o">++){</span>
       
    99 			<span class="nx">f</span><span class="o">.</span><span class="nx">removeChild</span><span class="o">(</span><span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">]);</span>
       
   100 		<span class="o">}</span>
       
   101 	<span class="o">}</span>
       
   102 
       
   103    <span class="c">/**</span>
       
   104 <span class="c">	* @description Sets the appropriate attributes and values to the HTML</span>
       
   105 <span class="c">	* form, in preparation of a file upload transaction.</span>
       
   106 <span class="c">	* @method _setAttrs</span>
       
   107 <span class="c">	* @private</span>
       
   108 <span class="c">	* @static</span>
       
   109 <span class="c">	* @param {object} f HTML form object.</span>
       
   110 <span class="c">	* @param {object} id The Transaction ID.</span>
       
   111 <span class="c">	* @param {object} uri Qualified path to transaction resource.</span>
       
   112 <span class="c">	* @return {void}</span>
       
   113 <span class="c">	*/</span>
       
   114 	<span class="k">function</span> <span class="nx">_setAttrs</span><span class="o">(</span><span class="nx">f</span><span class="o">,</span> <span class="nx">id</span><span class="o">,</span> <span class="nx">uri</span><span class="o">)</span> <span class="o">{</span>
       
   115 		<span class="k">var</span> <span class="nx">ie8</span> <span class="o">=</span> <span class="o">(</span><span class="nb">document</span><span class="o">.</span><span class="nx">documentMode</span> <span class="o">&amp;&amp;</span> <span class="nb">document</span><span class="o">.</span><span class="nx">documentMode</span> <span class="o">===</span> <span class="m">8</span><span class="o">)</span> <span class="o">?</span> <span class="kc">true</span> <span class="o">:</span> <span class="kc">false</span><span class="o">;</span>
       
   116 
       
   117 		<span class="nx">f</span><span class="o">.</span><span class="nx">setAttribute</span><span class="o">(</span><span class="s1">&#39;action&#39;</span><span class="o">,</span> <span class="nx">uri</span><span class="o">);</span>
       
   118 		<span class="nx">f</span><span class="o">.</span><span class="nx">setAttribute</span><span class="o">(</span><span class="s1">&#39;method&#39;</span><span class="o">,</span> <span class="s1">&#39;POST&#39;</span><span class="o">);</span>
       
   119 		<span class="nx">f</span><span class="o">.</span><span class="nx">setAttribute</span><span class="o">(</span><span class="s1">&#39;target&#39;</span><span class="o">,</span> <span class="s1">&#39;ioupload&#39;</span> <span class="o">+</span> <span class="nx">id</span> <span class="o">);</span>
       
   120 		<span class="nx">f</span><span class="o">.</span><span class="nx">setAttribute</span><span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">UA</span><span class="o">.</span><span class="nx">ie</span> <span class="o">&amp;&amp;</span> <span class="o">!</span><span class="nx">ie8</span> <span class="o">?</span> <span class="s1">&#39;encoding&#39;</span> <span class="o">:</span> <span class="s1">&#39;enctype&#39;</span><span class="o">,</span> <span class="s1">&#39;multipart/form-data&#39;</span><span class="o">);</span>
       
   121 	<span class="o">}</span>
       
   122 
       
   123    <span class="c">/**</span>
       
   124 <span class="c">	* @description Sets the appropriate attributes and values to the HTML</span>
       
   125 <span class="c">	* form, in preparation of a file upload transaction.</span>
       
   126 <span class="c">	* @method _resetAttrs</span>
       
   127 <span class="c">	* @private</span>
       
   128 <span class="c">	* @static</span>
       
   129 <span class="c">	* @param {object} f HTML form object.</span>
       
   130 <span class="c">	* @param {object} a Object of original attributes.</span>
       
   131 <span class="c">	* @return {void}</span>
       
   132 <span class="c">	*/</span>
       
   133 	<span class="k">function</span> <span class="nx">_resetAttrs</span><span class="o">(</span><span class="nx">f</span><span class="o">,</span> <span class="nx">a</span><span class="o">){</span>
       
   134 		<span class="k">var</span> <span class="nx">p</span><span class="o">;</span>
       
   135 
       
   136 		<span class="k">for</span> <span class="o">(</span><span class="nx">p</span> <span class="k">in</span> <span class="nx">a</span><span class="o">)</span> <span class="o">{</span>
       
   137 			<span class="k">if</span> <span class="o">(</span><span class="nx">a</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">a</span><span class="o">,</span> <span class="nx">p</span><span class="o">))</span> <span class="o">{</span>
       
   138 				<span class="k">if</span> <span class="o">(</span><span class="nx">a</span><span class="o">[</span><span class="nx">p</span><span class="o">])</span> <span class="o">{</span>
       
   139 					<span class="nx">f</span><span class="o">.</span><span class="nx">setAttribute</span><span class="o">(</span><span class="nx">p</span><span class="o">,</span> <span class="nx">f</span><span class="o">[</span><span class="nx">p</span><span class="o">]);</span>
       
   140 				<span class="o">}</span>
       
   141 				<span class="k">else</span> <span class="o">{</span>
       
   142 					<span class="nx">f</span><span class="o">.</span><span class="nx">removeAttribute</span><span class="o">(</span><span class="nx">p</span><span class="o">);</span>
       
   143 				<span class="o">}</span>
       
   144 			<span class="o">}</span>
       
   145 		<span class="o">}</span>
       
   146 	<span class="o">}</span>
       
   147 
       
   148    <span class="c">/**</span>
       
   149 <span class="c">	* @description Creates the iframe transported used in file upload</span>
       
   150 <span class="c">	* transactions, and binds the response event handler.</span>
       
   151 <span class="c">	*</span>
       
   152 <span class="c">	* @method _create</span>
       
   153 <span class="c">	* @private</span>
       
   154 <span class="c">	* @static</span>
       
   155 <span class="c">    * @param {object} o Transaction object generated by _create().</span>
       
   156 <span class="c">    * @param {object} c Configuration object passed to YUI.io().</span>
       
   157 <span class="c">    * @return {void}</span>
       
   158 <span class="c">	*/</span>
       
   159 	<span class="k">function</span> <span class="nx">_create</span><span class="o">(</span><span class="nx">o</span><span class="o">,</span> <span class="nx">c</span><span class="o">)</span> <span class="o">{</span>
       
   160 		<span class="k">var</span> <span class="nx">i</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">create</span><span class="o">(</span><span class="s1">&#39;&lt;iframe id=&quot;ioupload&#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span> <span class="o">+</span> <span class="s1">&#39;&quot; name=&quot;ioupload&#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span> <span class="o">+</span> <span class="s1">&#39;&quot; /&gt;&#39;</span><span class="o">);</span>
       
   161 			<span class="nx">i</span><span class="o">.</span><span class="nx">_node</span><span class="o">.</span><span class="nx">style</span><span class="o">.</span><span class="nx">position</span> <span class="o">=</span> <span class="s1">&#39;absolute&#39;</span><span class="o">;</span>
       
   162 			<span class="nx">i</span><span class="o">.</span><span class="nx">_node</span><span class="o">.</span><span class="nx">style</span><span class="o">.</span><span class="nx">top</span> <span class="o">=</span> <span class="s1">&#39;-1000px&#39;</span><span class="o">;</span>
       
   163 			<span class="nx">i</span><span class="o">.</span><span class="nx">_node</span><span class="o">.</span><span class="nx">style</span><span class="o">.</span><span class="nx">left</span> <span class="o">=</span> <span class="s1">&#39;-1000px&#39;</span><span class="o">;</span>
       
   164 
       
   165 		<span class="nx">Y</span><span class="o">.</span><span class="nx">one</span><span class="o">(</span><span class="s1">&#39;body&#39;</span><span class="o">).</span><span class="nx">appendChild</span><span class="o">(</span><span class="nx">i</span><span class="o">);</span>
       
   166 		<span class="c">// Bind the onload handler to the iframe to detect the file upload response.</span>
       
   167 <span class="c"></span>		<span class="nx">Y</span><span class="o">.</span><span class="nx">on</span><span class="o">(</span><span class="s2">&quot;load&quot;</span><span class="o">,</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> <span class="nx">_handle</span><span class="o">(</span><span class="nx">o</span><span class="o">,</span> <span class="nx">c</span><span class="o">)</span> <span class="o">},</span> <span class="s1">&#39;#ioupload&#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">);</span>
       
   168 	<span class="o">}</span>
       
   169 
       
   170    <span class="c">/**</span>
       
   171 <span class="c">	* @description Bound to the iframe&#39;s Load event and processes</span>
       
   172 <span class="c">	* the response data.</span>
       
   173 <span class="c">	* @method _handle</span>
       
   174 <span class="c">	* @private</span>
       
   175 <span class="c">	* @static</span>
       
   176 <span class="c">	* @param {o} o The transaction object</span>
       
   177 <span class="c">	* @param {object} c Configuration object for the transaction.</span>
       
   178 <span class="c">	* @return {void}</span>
       
   179 <span class="c">	*/</span>
       
   180 	<span class="k">function</span> <span class="nx">_handle</span><span class="o">(</span><span class="nx">o</span><span class="o">,</span> <span class="nx">c</span><span class="o">)</span> <span class="o">{</span>
       
   181 		<span class="k">var</span> <span class="nx">d</span> <span class="o">=</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">one</span><span class="o">(</span><span class="s1">&#39;#ioupload&#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">).</span><span class="nx">get</span><span class="o">(</span><span class="s1">&#39;contentWindow.document&#39;</span><span class="o">),</span>
       
   182 			<span class="nx">b</span> <span class="o">=</span> <span class="nx">d</span><span class="o">.</span><span class="nx">one</span><span class="o">(</span><span class="s1">&#39;body&#39;</span><span class="o">),</span>
       
   183 			<span class="nx">xml</span> <span class="o">=</span> <span class="o">(</span><span class="nx">d</span><span class="o">.</span><span class="nx">_node</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">===</span> <span class="m">9</span><span class="o">),</span>
       
   184 			<span class="nx">p</span><span class="o">;</span>
       
   185 
       
   186 		<span class="k">if</span> <span class="o">(</span><span class="nx">c</span><span class="o">.</span><span class="nx">timeout</span><span class="o">)</span> <span class="o">{</span>
       
   187 			<span class="nx">_clearTimeout</span><span class="o">(</span><span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">);</span>
       
   188 		<span class="o">}</span>
       
   189 
       
   190 		<span class="k">if</span> <span class="o">(</span><span class="nx">b</span><span class="o">)</span> <span class="o">{</span>
       
   191 			<span class="c">// When a response Content-Type of &quot;text/plain&quot; is used, Firefox and Safari</span>
       
   192 <span class="c"></span>			<span class="c">// will wrap the response string with &lt;pre&gt;&lt;/pre&gt;.</span>
       
   193 <span class="c"></span>			<span class="nx">p</span> <span class="o">=</span> <span class="nx">b</span><span class="o">.</span><span class="nx">query</span><span class="o">(</span><span class="s1">&#39;pre:first-child&#39;</span><span class="o">);</span>
       
   194 			<span class="nx">o</span><span class="o">.</span><span class="nx">c</span><span class="o">.</span><span class="nx">responseText</span> <span class="o">=</span> <span class="nx">p</span> <span class="o">?</span> <span class="nx">p</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="s1">&#39;innerHTML&#39;</span><span class="o">)</span> <span class="o">:</span> <span class="nx">b</span><span class="o">.</span><span class="nx">get</span><span class="o">(</span><span class="s1">&#39;innerHTML&#39;</span><span class="o">);</span>
       
   195 			<span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">&#39;The responseText value for transaction &#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span> <span class="o">+</span> <span class="s1">&#39; is: &#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">c</span><span class="o">.</span><span class="nx">responseText</span> <span class="o">+</span> <span class="s1">&#39;.&#39;</span><span class="o">,</span> <span class="s1">&#39;info&#39;</span><span class="o">,</span> <span class="s1">&#39;io&#39;</span><span class="o">);</span>
       
   196 		<span class="o">}</span>
       
   197 		<span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">xml</span><span class="o">)</span> <span class="o">{</span>
       
   198 			<span class="nx">o</span><span class="o">.</span><span class="nx">c</span><span class="o">.</span><span class="nx">responseXML</span> <span class="o">=</span>  <span class="nx">d</span><span class="o">.</span><span class="nx">_node</span><span class="o">;</span>
       
   199 			<span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">&#39;The response for transaction &#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span> <span class="o">+</span> <span class="s1">&#39; is an XML document.&#39;</span><span class="o">,</span> <span class="s1">&#39;info&#39;</span><span class="o">,</span> <span class="s1">&#39;io&#39;</span><span class="o">);</span>
       
   200 		<span class="o">}</span>
       
   201 
       
   202 		<span class="nx">Y</span><span class="o">.</span><span class="nx">io</span><span class="o">.</span><span class="nx">complete</span><span class="o">(</span><span class="nx">o</span><span class="o">,</span> <span class="nx">c</span><span class="o">);</span>
       
   203 		<span class="nx">Y</span><span class="o">.</span><span class="nx">io</span><span class="o">.</span><span class="nx">end</span><span class="o">(</span><span class="nx">o</span><span class="o">,</span> <span class="nx">c</span><span class="o">);</span>
       
   204 		<span class="c">// The transaction is complete, so call _destroy to remove</span>
       
   205 <span class="c"></span>		<span class="c">// the event listener bound to the iframe transport, and then</span>
       
   206 <span class="c"></span>		<span class="c">// destroy the iframe.</span>
       
   207 <span class="c"></span>		<span class="nx">w</span><span class="o">.</span><span class="nx">setTimeout</span><span class="o">(</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span> <span class="nx">_destroy</span><span class="o">(</span><span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">);</span> <span class="o">},</span> <span class="m">0</span><span class="o">);</span>
       
   208 	<span class="o">}</span>
       
   209 
       
   210    <span class="c">/**</span>
       
   211 <span class="c">	* @description Starts timeout count if the configuration object</span>
       
   212 <span class="c">	* has a defined timeout property.</span>
       
   213 <span class="c">	*</span>
       
   214 <span class="c">	* @method _startTimeout</span>
       
   215 <span class="c">	* @private</span>
       
   216 <span class="c">	* @static</span>
       
   217 <span class="c">    * @param {object} o Transaction object generated by _create().</span>
       
   218 <span class="c">    * @param {object} c Configuration object passed to YUI.io().</span>
       
   219 <span class="c">    * @return {void}</span>
       
   220 <span class="c">	*/</span>
       
   221 	<span class="k">function</span> <span class="nx">_startTimeout</span><span class="o">(</span><span class="nx">o</span><span class="o">,</span> <span class="nx">c</span><span class="o">)</span> <span class="o">{</span>
       
   222 		<span class="nx">Y</span><span class="o">.</span><span class="nx">io</span><span class="o">.</span><span class="nx">_timeout</span><span class="o">[</span><span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">]</span> <span class="o">=</span> <span class="nx">w</span><span class="o">.</span><span class="nx">setTimeout</span><span class="o">(</span>
       
   223 			<span class="k">function</span><span class="o">()</span> <span class="o">{</span>
       
   224 				<span class="k">var</span> <span class="nx">r</span> <span class="o">=</span> <span class="o">{</span> <span class="nx">id</span><span class="o">:</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">,</span> <span class="nx">status</span><span class="o">:</span> <span class="s1">&#39;timeout&#39;</span> <span class="o">};</span>
       
   225 
       
   226 				<span class="nx">Y</span><span class="o">.</span><span class="nx">io</span><span class="o">.</span><span class="nx">complete</span><span class="o">(</span><span class="nx">r</span><span class="o">,</span> <span class="nx">c</span><span class="o">);</span>
       
   227 				<span class="nx">Y</span><span class="o">.</span><span class="nx">io</span><span class="o">.</span><span class="nx">end</span><span class="o">(</span><span class="nx">r</span><span class="o">,</span> <span class="nx">c</span><span class="o">);</span>
       
   228 				<span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">&#39;Transaction &#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span> <span class="o">+</span> <span class="s1">&#39; timeout.&#39;</span><span class="o">,</span> <span class="s1">&#39;info&#39;</span><span class="o">,</span> <span class="s1">&#39;io&#39;</span><span class="o">);</span>
       
   229 			<span class="o">},</span> <span class="nx">c</span><span class="o">.</span><span class="nx">timeout</span><span class="o">);</span>
       
   230 	<span class="o">}</span>
       
   231 
       
   232    <span class="c">/**</span>
       
   233 <span class="c">	* @description Clears the timeout interval started by _startTimeout().</span>
       
   234 <span class="c">	* @method _clearTimeout</span>
       
   235 <span class="c">	* @private</span>
       
   236 <span class="c">	* @static</span>
       
   237 <span class="c">    * @param {number} id - Transaction ID.</span>
       
   238 <span class="c">    * @return {void}</span>
       
   239 <span class="c">	*/</span>
       
   240 	<span class="k">function</span> <span class="nx">_clearTimeout</span><span class="o">(</span><span class="nx">id</span><span class="o">)</span> <span class="o">{</span>
       
   241 		<span class="nx">w</span><span class="o">.</span><span class="nx">clearTimeout</span><span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">io</span><span class="o">.</span><span class="nx">_timeout</span><span class="o">[</span><span class="nx">id</span><span class="o">]);</span>
       
   242 		<span class="nx">delete</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">io</span><span class="o">.</span><span class="nx">_timeout</span><span class="o">[</span><span class="nx">id</span><span class="o">];</span>
       
   243 	<span class="o">}</span>
       
   244 
       
   245    <span class="c">/**</span>
       
   246 <span class="c">	* @description</span>
       
   247 <span class="c">	* @method _destroy</span>
       
   248 <span class="c">	* @private</span>
       
   249 <span class="c">	* @static</span>
       
   250 <span class="c">	* @param {o} o The transaction object</span>
       
   251 <span class="c">	* @param {object} uri Qualified path to transaction resource.</span>
       
   252 <span class="c">	* @param {object} c Configuration object for the transaction.</span>
       
   253 <span class="c">	* @return {void}</span>
       
   254 <span class="c">	*/</span>
       
   255 	<span class="k">function</span> <span class="nx">_destroy</span><span class="o">(</span><span class="nx">id</span><span class="o">)</span> <span class="o">{</span>
       
   256 		<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="s1">&#39;#ioupload&#39;</span> <span class="o">+</span> <span class="nx">id</span><span class="o">,</span> <span class="kc">false</span><span class="o">);</span>
       
   257 		<span class="nx">Y</span><span class="o">.</span><span class="nx">one</span><span class="o">(</span><span class="s1">&#39;body&#39;</span><span class="o">).</span><span class="nx">removeChild</span><span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">one</span><span class="o">(</span><span class="s1">&#39;#ioupload&#39;</span> <span class="o">+</span> <span class="nx">id</span><span class="o">));</span>
       
   258         <span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">&#39;The iframe transport for transaction &#39;</span> <span class="o">+</span> <span class="nx">id</span> <span class="o">+</span> <span class="s1">&#39; has been destroyed.&#39;</span><span class="o">,</span> <span class="s1">&#39;info&#39;</span><span class="o">,</span> <span class="s1">&#39;io&#39;</span><span class="o">);</span>
       
   259 	<span class="o">}</span>
       
   260 
       
   261 	<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">io</span><span class="o">,</span> <span class="o">{</span>
       
   262 	   <span class="c">/**</span>
       
   263 <span class="c">		* @description Uploads HTML form data, inclusive of files/attachments,</span>
       
   264 <span class="c">		* using the iframe created in _create to facilitate the transaction.</span>
       
   265 <span class="c">		* @method _upload</span>
       
   266 <span class="c">		* @private</span>
       
   267 <span class="c">		* @static</span>
       
   268 <span class="c">		* @param {o} o The transaction object</span>
       
   269 <span class="c">		* @param {object} uri Qualified path to transaction resource.</span>
       
   270 <span class="c">		* @param {object} c Configuration object for the transaction.</span>
       
   271 <span class="c">		* @return {void}</span>
       
   272 <span class="c">		*/</span>
       
   273 		<span class="nx">_upload</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">uri</span><span class="o">,</span> <span class="nx">c</span><span class="o">)</span> <span class="o">{</span>
       
   274 			<span class="k">var</span> <span class="nx">f</span> <span class="o">=</span> <span class="o">(</span><span class="k">typeof</span> <span class="nx">c</span><span class="o">.</span><span class="nx">form</span><span class="o">.</span><span class="nx">id</span> <span class="o">===</span> <span class="s1">&#39;string&#39;</span><span class="o">)</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">doc</span><span class="o">.</span><span class="nx">getElementById</span><span class="o">(</span><span class="nx">c</span><span class="o">.</span><span class="nx">form</span><span class="o">.</span><span class="nx">id</span><span class="o">)</span> <span class="o">:</span> <span class="nx">c</span><span class="o">.</span><span class="nx">form</span><span class="o">.</span><span class="nx">id</span><span class="o">,</span>
       
   275 				<span class="nx">fields</span><span class="o">,</span>
       
   276 				<span class="c">// Track original HTML form attribute values.</span>
       
   277 <span class="c"></span>				<span class="nx">attr</span> <span class="o">=</span> <span class="o">{</span>
       
   278 					<span class="nx">action</span><span class="o">:</span> <span class="nx">f</span><span class="o">.</span><span class="nx">getAttribute</span><span class="o">(</span><span class="s1">&#39;action&#39;</span><span class="o">),</span>
       
   279 					<span class="nx">target</span><span class="o">:</span> <span class="nx">f</span><span class="o">.</span><span class="nx">getAttribute</span><span class="o">(</span><span class="s1">&#39;target&#39;</span><span class="o">)</span>
       
   280 				<span class="o">};</span>
       
   281 
       
   282 			<span class="nx">_create</span><span class="o">(</span><span class="nx">o</span><span class="o">,</span> <span class="nx">c</span><span class="o">);</span>
       
   283 			<span class="c">// Initialize the HTML form properties in case they are</span>
       
   284 <span class="c"></span>			<span class="c">// not defined in the HTML form.</span>
       
   285 <span class="c"></span>			<span class="nx">_setAttrs</span><span class="o">(</span><span class="nx">f</span><span class="o">,</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">,</span> <span class="nx">uri</span><span class="o">);</span>
       
   286 			<span class="k">if</span> <span class="o">(</span><span class="nx">c</span><span class="o">.</span><span class="nx">data</span><span class="o">)</span> <span class="o">{</span>
       
   287 				<span class="nx">fields</span> <span class="o">=</span> <span class="nx">_addData</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">data</span><span class="o">);</span>
       
   288 			<span class="o">}</span>
       
   289 
       
   290 			<span class="c">// Start polling if a callback is present and the timeout</span>
       
   291 <span class="c"></span>			<span class="c">// property has been defined.</span>
       
   292 <span class="c"></span>			<span class="k">if</span> <span class="o">(</span><span class="nx">c</span><span class="o">.</span><span class="nx">timeout</span><span class="o">)</span> <span class="o">{</span>
       
   293 				<span class="nx">_startTimeout</span><span class="o">(</span><span class="nx">o</span><span class="o">,</span> <span class="nx">c</span><span class="o">);</span>
       
   294         		<span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">&#39;Transaction timeout started for transaction &#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span> <span class="o">+</span> <span class="s1">&#39;.&#39;</span><span class="o">,</span> <span class="s1">&#39;info&#39;</span><span class="o">,</span> <span class="s1">&#39;io&#39;</span><span class="o">);</span>
       
   295 			<span class="o">}</span>
       
   296 
       
   297 			<span class="c">// Start file upload.</span>
       
   298 <span class="c"></span>			<span class="nx">f</span><span class="o">.</span><span class="nx">submit</span><span class="o">();</span>
       
   299 			<span class="nx">Y</span><span class="o">.</span><span class="nx">io</span><span class="o">.</span><span class="nx">start</span><span class="o">(</span><span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">,</span> <span class="nx">c</span><span class="o">);</span>
       
   300 			<span class="k">if</span> <span class="o">(</span><span class="nx">c</span><span class="o">.</span><span class="nx">data</span><span class="o">)</span> <span class="o">{</span>
       
   301 				<span class="nx">_removeData</span><span class="o">(</span><span class="nx">f</span><span class="o">,</span> <span class="nx">fields</span><span class="o">);</span>
       
   302 			<span class="o">}</span>
       
   303 			<span class="c">// Restore HTML form attributes to their original values.</span>
       
   304 <span class="c"></span>			<span class="nx">_resetAttrs</span><span class="o">(</span><span class="nx">f</span><span class="o">,</span> <span class="nx">attr</span><span class="o">);</span>
       
   305 
       
   306 			<span class="k">return</span> <span class="o">{</span>
       
   307 				<span class="nx">id</span><span class="o">:</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">,</span>
       
   308 				<span class="nx">abort</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
       
   309 					<span class="k">var</span> <span class="nx">r</span> <span class="o">=</span> <span class="o">{</span> <span class="nx">id</span><span class="o">:</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">,</span> <span class="nx">status</span><span class="o">:</span> <span class="s1">&#39;abort&#39;</span> <span class="o">};</span>
       
   310 
       
   311 					<span class="k">if</span> <span class="o">(</span><span class="nx">Y</span><span class="o">.</span><span class="nx">one</span><span class="o">(</span><span class="s1">&#39;#ioupload&#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">))</span> <span class="o">{</span>
       
   312 						<span class="nx">_destroy</span><span class="o">(</span><span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">);</span>
       
   313 						<span class="nx">Y</span><span class="o">.</span><span class="nx">io</span><span class="o">.</span><span class="nx">complete</span><span class="o">(</span><span class="nx">r</span><span class="o">,</span> <span class="nx">c</span><span class="o">);</span>
       
   314 						<span class="nx">Y</span><span class="o">.</span><span class="nx">io</span><span class="o">.</span><span class="nx">end</span><span class="o">(</span><span class="nx">r</span><span class="o">,</span> <span class="nx">c</span><span class="o">);</span>
       
   315         				<span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">&#39;Transaction &#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span> <span class="o">+</span> <span class="s1">&#39; aborted.&#39;</span><span class="o">,</span> <span class="s1">&#39;info&#39;</span><span class="o">,</span> <span class="s1">&#39;io&#39;</span><span class="o">);</span>
       
   316 					<span class="o">}</span>
       
   317 					<span class="k">else</span> <span class="o">{</span>
       
   318         				<span class="nx">Y</span><span class="o">.</span><span class="nx">log</span><span class="o">(</span><span class="s1">&#39;Attempted to abort transaction &#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span> <span class="o">+</span> <span class="s1">&#39; but transaction has completed.&#39;</span><span class="o">,</span> <span class="s1">&#39;info&#39;</span><span class="o">,</span> <span class="s1">&#39;io&#39;</span><span class="o">);</span>
       
   319 						<span class="k">return</span> <span class="kc">false</span><span class="o">;</span>
       
   320 					<span class="o">}</span>
       
   321 				<span class="o">},</span>
       
   322 				<span class="nx">isInProgress</span><span class="o">:</span> <span class="k">function</span><span class="o">()</span> <span class="o">{</span>
       
   323 					<span class="k">return</span> <span class="nx">Y</span><span class="o">.</span><span class="nx">one</span><span class="o">(</span><span class="s1">&#39;#ioupload&#39;</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">)</span> <span class="o">?</span> <span class="kc">true</span> <span class="o">:</span> <span class="kc">false</span><span class="o">;</span>
       
   324 				<span class="o">}</span>
       
   325 			<span class="o">}</span>
       
   326 		<span class="o">}</span>
       
   327 	<span class="o">});</span>
       
   328 </pre></div>
       
   329 
       
   330                     </div>
       
   331 			</div>
       
   332 		</div>
       
   333 		<div class="yui-b">
       
   334             <div class="nav">
       
   335 
       
   336                     <div id="moduleList" class="module">
       
   337                         <h4>Modules</h4>
       
   338                         <ul class="content">
       
   339                                 <li class=""><a href="module_anim.html" title="anim">anim</a></li>
       
   340                                 <li class=""><a href="module_async-queue.html" title="async-queue">async-queue</a></li>
       
   341                                 <li class=""><a href="module_attribute.html" title="attribute">attribute</a></li>
       
   342                                 <li class=""><a href="module_base.html" title="base">base</a></li>
       
   343                                 <li class=""><a href="module_cache.html" title="cache">cache</a></li>
       
   344                                 <li class=""><a href="module_classnamemanager.html" title="classnamemanager">classnamemanager</a></li>
       
   345                                 <li class=""><a href="module_collection.html" title="collection">collection</a></li>
       
   346                                 <li class=""><a href="module_console.html" title="console">console</a></li>
       
   347                                 <li class=""><a href="module_console-filters.html" title="console-filters">console-filters</a></li>
       
   348                                 <li class=""><a href="module_cookie.html" title="cookie">cookie</a></li>
       
   349                                 <li class=""><a href="module_dataschema.html" title="dataschema">dataschema</a></li>
       
   350                                 <li class=""><a href="module_datasource.html" title="datasource">datasource</a></li>
       
   351                                 <li class=""><a href="module_datatype.html" title="datatype">datatype</a></li>
       
   352                                 <li class=""><a href="module_dd.html" title="dd">dd</a></li>
       
   353                                 <li class=""><a href="module_dom.html" title="dom">dom</a></li>
       
   354                                 <li class=""><a href="module_dump.html" title="dump">dump</a></li>
       
   355                                 <li class=""><a href="module_event.html" title="event">event</a></li>
       
   356                                 <li class=""><a href="module_event-custom.html" title="event-custom">event-custom</a></li>
       
   357                                 <li class=""><a href="module_event-simulate.html" title="event-simulate">event-simulate</a></li>
       
   358                                 <li class=""><a href="module_history.html" title="history">history</a></li>
       
   359                                 <li class=""><a href="module_imageloader.html" title="imageloader">imageloader</a></li>
       
   360                                 <li class="selected"><a href="module_io.html" title="io">io</a></li>
       
   361                                 <li class=""><a href="module_json.html" title="json">json</a></li>
       
   362                                 <li class=""><a href="module_node.html" title="node">node</a></li>
       
   363                                 <li class=""><a href="module_node-focusmanager.html" title="node-focusmanager">node-focusmanager</a></li>
       
   364                                 <li class=""><a href="module_node-menunav.html" title="node-menunav">node-menunav</a></li>
       
   365                                 <li class=""><a href="module_oop.html" title="oop">oop</a></li>
       
   366                                 <li class=""><a href="module_overlay.html" title="overlay">overlay</a></li>
       
   367                                 <li class=""><a href="module_plugin.html" title="plugin">plugin</a></li>
       
   368                                 <li class=""><a href="module_profiler.html" title="profiler">profiler</a></li>
       
   369                                 <li class=""><a href="module_queue-promote.html" title="queue-promote">queue-promote</a></li>
       
   370                                 <li class=""><a href="module_slider.html" title="slider">slider</a></li>
       
   371                                 <li class=""><a href="module_stylesheet.html" title="stylesheet">stylesheet</a></li>
       
   372                                 <li class=""><a href="module_substitute.html" title="substitute">substitute</a></li>
       
   373                                 <li class=""><a href="module_test.html" title="test">test</a></li>
       
   374                                 <li class=""><a href="module_widget.html" title="widget">widget</a></li>
       
   375                                 <li class=""><a href="module_widget-position.html" title="widget-position">widget-position</a></li>
       
   376                                 <li class=""><a href="module_widget-position-ext.html" title="widget-position-ext">widget-position-ext</a></li>
       
   377                                 <li class=""><a href="module_widget-stack.html" title="widget-stack">widget-stack</a></li>
       
   378                                 <li class=""><a href="module_widget-stdmod.html" title="widget-stdmod">widget-stdmod</a></li>
       
   379                                 <li class=""><a href="module_yui.html" title="yui">yui</a></li>
       
   380                         </ul>
       
   381                     </div>
       
   382 
       
   383                     <div id="classList" class="module">
       
   384                         <h4>Classes</h4>
       
   385                         <ul class="content">
       
   386                                 <li class=""><a href="io.html" title="io">io</a></li>
       
   387                         </ul>
       
   388                     </div>
       
   389 
       
   390                     <div id="fileList" class="module">
       
   391                         <h4>Files</h4>
       
   392                         <ul class="content">        
       
   393                                 <li class=""><a href="io-base.js.html" title="io-base.js">io-base.js</a></li>
       
   394                                 <li class=""><a href="io-form.js.html" title="io-form.js">io-form.js</a></li>
       
   395                                 <li class=""><a href="io-queue.js.html" title="io-queue.js">io-queue.js</a></li>
       
   396                                 <li class="selected"><a href="io-upload-iframe.js.html" title="io-upload-iframe.js">io-upload-iframe.js</a></li>
       
   397                                 <li class=""><a href="io-xdr.js.html" title="io-xdr.js">io-xdr.js</a></li>
       
   398                         </ul>
       
   399                     </div>
       
   400 
       
   401 
       
   402 
       
   403 
       
   404 
       
   405             </div>
       
   406 		</div>
       
   407 	</div>
       
   408 	<div id="ft">
       
   409         <hr />
       
   410         Copyright &copy; 2009 Yahoo! Inc. All rights reserved.
       
   411 	</div>
       
   412 </div>
       
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