960 lines
No EOL
115 KiB
HTML
960 lines
No EOL
115 KiB
HTML
<html><head><title>connection.js</title><link rel="stylesheet" type="text/css" href="../style.css" media="screen"/></head><body><div class="hl-main"><pre><span class="hl-comment">/*
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Copyright (c) 2006, Yahoo! Inc. All rights reserved.
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Code licensed under the BSD License:
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</span><span class="hl-url">http://developer.yahoo.net/yui/license.txt</span><span class="hl-comment">
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version: 0.12.0
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*/
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// holder
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/**
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* @description
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* The Connection Manager provides a simplified interface to the XMLHttpRequest
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* object. It handles cross-browser instantiantion of XMLHttpRequest, negotiates the
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* interactive states and server response, returning the results to a pre-defined
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* callback you create.
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*
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* @namespace YAHOO.util
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* @module Connection
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* @Class Connect
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*/
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</span><span class="hl-identifier">YAHOO</span><span class="hl-default">.</span><span class="hl-identifier">util</span><span class="hl-default">.</span><span class="hl-identifier">Connect</span><span class="hl-default"> =
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</span><span class="hl-brackets">{
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</span><span class="hl-comment">/**
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* @description Array of MSFT ActiveX ids for XMLHttpRequest.
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* @property _msxml_progid
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* @private
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* @static
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* @type array
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*/
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</span><span class="hl-identifier">_msxml_progid</span><span class="hl-code">:</span><span class="hl-brackets">[
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</span><span class="hl-quotes">'</span><span class="hl-string">MSXML2.XMLHTTP.3.0</span><span class="hl-quotes">'</span><span class="hl-code">,
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</span><span class="hl-quotes">'</span><span class="hl-string">MSXML2.XMLHTTP</span><span class="hl-quotes">'</span><span class="hl-code">,
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</span><span class="hl-quotes">'</span><span class="hl-string">Microsoft.XMLHTTP</span><span class="hl-quotes">'
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</span><span class="hl-brackets">]</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Object literal of HTTP header(s)
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* @property _http_header
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* @private
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* @static
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* @type object
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*/
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</span><span class="hl-identifier">_http_header</span><span class="hl-code">:</span><span class="hl-brackets">{}</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Determines if HTTP headers are set.
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* @property _has_http_headers
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* @private
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* @static
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* @type boolean
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*/
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</span><span class="hl-identifier">_has_http_headers</span><span class="hl-code">:</span><span class="hl-reserved">false</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Determines if a default header of
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* Content-Type of 'application/x-www-form-urlencoded'
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* will be added to any client HTTP headers sent for POST
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* transactions.
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* @property _use_default_post_header
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* @private
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* @static
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* @type boolean
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*/
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</span><span class="hl-identifier">_use_default_post_header</span><span class="hl-code">:</span><span class="hl-reserved">true</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Determines if a default header of
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* Content-Type of 'application/x-www-form-urlencoded'
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* will be added to any client HTTP headers sent for POST
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* transactions.
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* @property _default_post_header
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* @private
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* @static
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* @type boolean
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*/
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</span><span class="hl-identifier">_default_post_header</span><span class="hl-code">:</span><span class="hl-quotes">'</span><span class="hl-string">application/x-www-form-urlencoded</span><span class="hl-quotes">'</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Property modified by setForm() to determine if the data
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* should be submitted as an HTML form.
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* @property _isFormSubmit
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* @private
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* @static
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* @type boolean
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*/
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</span><span class="hl-identifier">_isFormSubmit</span><span class="hl-code">:</span><span class="hl-reserved">false</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Property modified by setForm() to determine if a file(s)
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* upload is expected.
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* @property _isFileUpload
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* @private
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* @static
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* @type boolean
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*/
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</span><span class="hl-identifier">_isFileUpload</span><span class="hl-code">:</span><span class="hl-reserved">false</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Property modified by setForm() to set a reference to the HTML
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* form node if the desired action is file upload.
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* @property _formNode
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* @private
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* @static
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* @type object
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*/
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</span><span class="hl-identifier">_formNode</span><span class="hl-code">:</span><span class="hl-reserved">null</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Property modified by setForm() to set the HTML form data
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* for each transaction.
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* @property _sFormData
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* @private
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* @static
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* @type string
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*/
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</span><span class="hl-identifier">_sFormData</span><span class="hl-code">:</span><span class="hl-reserved">null</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Collection of polling references to the polling mechanism in handleReadyState.
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* @property _poll
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* @private
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* @static
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* @type object
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*/
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</span><span class="hl-identifier">_poll</span><span class="hl-code">:</span><span class="hl-brackets">{}</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Queue of timeout values for each transaction callback with a defined timeout value.
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* @property _timeOut
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* @private
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* @static
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* @type object
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*/
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</span><span class="hl-identifier">_timeOut</span><span class="hl-code">:</span><span class="hl-brackets">{}</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description The polling frequency, in milliseconds, for HandleReadyState.
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* when attempting to determine a transaction's XHR readyState.
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* The default is 50 milliseconds.
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* @property _polling_interval
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* @private
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* @static
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* @type int
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*/
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</span><span class="hl-identifier">_polling_interval</span><span class="hl-code">:</span><span class="hl-number">50</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description A transaction counter that increments the transaction id for each transaction.
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* @property _transaction_id
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* @private
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* @static
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* @type int
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*/
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</span><span class="hl-identifier">_transaction_id</span><span class="hl-code">:</span><span class="hl-number">0</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Member to add an ActiveX id to the existing xml_progid array.
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* In the event(unlikely) a new ActiveX id is introduced, it can be added
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* without internal code modifications.
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* @method setProgId
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* @public
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* @static
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* @param {string} id The ActiveX id to be added to initialize the XHR object.
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* @return void
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*/
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</span><span class="hl-identifier">setProgId</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">id</span><span class="hl-brackets">)
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{
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</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_msxml_progid</span><span class="hl-code">.</span><span class="hl-identifier">unshift</span><span class="hl-brackets">(</span><span class="hl-identifier">id</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-brackets">}</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Member to enable or disable the default POST header.
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* @method setDefaultPostHeader
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* @public
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* @static
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* @param {boolean} b Set and use default header - true or false .
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* @return void
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*/
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</span><span class="hl-identifier">setDefaultPostHeader</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">b</span><span class="hl-brackets">)
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{
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</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_use_default_post_header</span><span class="hl-code"> = </span><span class="hl-identifier">b</span><span class="hl-code">;
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</span><span class="hl-brackets">}</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Member to modify the default polling interval.
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* @method setPollingInterval
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* @public
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* @static
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* @param {int} i The polling interval in milliseconds.
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* @return void
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*/
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</span><span class="hl-identifier">setPollingInterval</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">i</span><span class="hl-brackets">)
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{
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</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">typeof </span><span class="hl-identifier">i</span><span class="hl-code"> == </span><span class="hl-quotes">'</span><span class="hl-string">number</span><span class="hl-quotes">'</span><span class="hl-code"> && </span><span class="hl-identifier">isFinite</span><span class="hl-brackets">(</span><span class="hl-identifier">i</span><span class="hl-brackets">)){
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</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_polling_interval</span><span class="hl-code"> = </span><span class="hl-identifier">i</span><span class="hl-code">;
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</span><span class="hl-brackets">}
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}</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Instantiates a XMLHttpRequest object and returns an object with two properties:
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* the XMLHttpRequest instance and the transaction id.
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* @method createXhrObject
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* @private
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* @static
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* @param {int} transactionId Property containing the transaction id for this transaction.
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* @return object
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*/
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</span><span class="hl-identifier">createXhrObject</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">transactionId</span><span class="hl-brackets">)
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{
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</span><span class="hl-reserved">var </span><span class="hl-identifier">obj</span><span class="hl-code">,</span><span class="hl-identifier">http</span><span class="hl-code">;
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</span><span class="hl-reserved">try
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</span><span class="hl-brackets">{
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</span><span class="hl-comment">// Instantiates XMLHttpRequest in non-IE browsers and assigns to http.
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</span><span class="hl-identifier">http</span><span class="hl-code"> = </span><span class="hl-reserved">new </span><span class="hl-identifier">XMLHttpRequest</span><span class="hl-brackets">()</span><span class="hl-code">;
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</span><span class="hl-comment">// Object literal with http and tId properties
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</span><span class="hl-identifier">obj</span><span class="hl-code"> = </span><span class="hl-brackets">{ </span><span class="hl-identifier">conn</span><span class="hl-code">:</span><span class="hl-identifier">http</span><span class="hl-code">, </span><span class="hl-identifier">tId</span><span class="hl-code">:</span><span class="hl-identifier">transactionId </span><span class="hl-brackets">}</span><span class="hl-code">;
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</span><span class="hl-brackets">}
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</span><span class="hl-reserved">catch</span><span class="hl-brackets">(</span><span class="hl-identifier">e</span><span class="hl-brackets">)
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{
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</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-reserved">var </span><span class="hl-identifier">i</span><span class="hl-code">=</span><span class="hl-number">0</span><span class="hl-code">; </span><span class="hl-identifier">i</span><span class="hl-code"><</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_msxml_progid</span><span class="hl-code">.</span><span class="hl-identifier">length</span><span class="hl-code">; ++</span><span class="hl-identifier">i</span><span class="hl-brackets">){
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</span><span class="hl-reserved">try
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</span><span class="hl-brackets">{
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</span><span class="hl-comment">// Instantiates XMLHttpRequest for IE and assign to http.
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</span><span class="hl-identifier">http</span><span class="hl-code"> = </span><span class="hl-reserved">new </span><span class="hl-identifier">ActiveXObject</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_msxml_progid</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">])</span><span class="hl-code">;
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</span><span class="hl-comment">// Object literal with conn and tId properties
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</span><span class="hl-identifier">obj</span><span class="hl-code"> = </span><span class="hl-brackets">{ </span><span class="hl-identifier">conn</span><span class="hl-code">:</span><span class="hl-identifier">http</span><span class="hl-code">, </span><span class="hl-identifier">tId</span><span class="hl-code">:</span><span class="hl-identifier">transactionId </span><span class="hl-brackets">}</span><span class="hl-code">;
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</span><span class="hl-reserved">break</span><span class="hl-code">;
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</span><span class="hl-brackets">}
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</span><span class="hl-reserved">catch</span><span class="hl-brackets">(</span><span class="hl-identifier">e</span><span class="hl-brackets">){}
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}
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}
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</span><span class="hl-reserved">finally
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</span><span class="hl-brackets">{
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</span><span class="hl-reserved">return </span><span class="hl-identifier">obj</span><span class="hl-code">;
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</span><span class="hl-brackets">}
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}</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description This method is called by asyncRequest to create a
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* valid connection object for the transaction. It also passes a
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* transaction id and increments the transaction id counter.
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* @method getConnectionObject
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* @private
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* @static
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* @return {object}
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*/
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</span><span class="hl-identifier">getConnectionObject</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">()
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{
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</span><span class="hl-reserved">var </span><span class="hl-identifier">o</span><span class="hl-code">;
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</span><span class="hl-reserved">var </span><span class="hl-identifier">tId</span><span class="hl-code"> = </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_transaction_id</span><span class="hl-code">;
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</span><span class="hl-reserved">try
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</span><span class="hl-brackets">{
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</span><span class="hl-identifier">o</span><span class="hl-code"> = </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">createXhrObject</span><span class="hl-brackets">(</span><span class="hl-identifier">tId</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-brackets">){
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</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_transaction_id</span><span class="hl-code">++;
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</span><span class="hl-brackets">}
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}
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</span><span class="hl-reserved">catch</span><span class="hl-brackets">(</span><span class="hl-identifier">e</span><span class="hl-brackets">){}
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</span><span class="hl-reserved">finally
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</span><span class="hl-brackets">{
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</span><span class="hl-reserved">return </span><span class="hl-identifier">o</span><span class="hl-code">;
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</span><span class="hl-brackets">}
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}</span><span class="hl-code">,
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</span><span class="hl-comment">/**
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* @description Method for initiating an asynchronous request via the XHR object.
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* @method asyncRequest
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* @public
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* @static
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* @param {string} method HTTP transaction method
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* @param {string} uri Fully qualified path of resource
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* @param {callback} callback User-defined callback function or object
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* @param {string} postData POST body
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* @return {object} Returns the connection object
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*/
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</span><span class="hl-identifier">asyncRequest</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">method</span><span class="hl-code">, </span><span class="hl-identifier">uri</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-code">, </span><span class="hl-identifier">postData</span><span class="hl-brackets">)
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{
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</span><span class="hl-reserved">var </span><span class="hl-identifier">o</span><span class="hl-code"> = </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">getConnectionObject</span><span class="hl-brackets">()</span><span class="hl-code">;
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</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-code">!</span><span class="hl-identifier">o</span><span class="hl-brackets">){
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</span><span class="hl-reserved">return null</span><span class="hl-code">;
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</span><span class="hl-brackets">}
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</span><span class="hl-reserved">else</span><span class="hl-brackets">{
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</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_isFormSubmit</span><span class="hl-brackets">){
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</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_isFileUpload</span><span class="hl-brackets">){
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</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">uploadFile</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-code">, </span><span class="hl-identifier">uri</span><span class="hl-code">, </span><span class="hl-identifier">postData</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">releaseObject</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-brackets">)</span><span class="hl-code">;
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</span><span class="hl-reserved">return</span><span class="hl-code">;
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</span><span class="hl-brackets">}
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</span><span class="hl-comment">//If the specified HTTP method is GET, setForm() will return an
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//encoded string that is concatenated to the uri to
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//create a querystring.
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</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">method</span><span class="hl-code"> == </span><span class="hl-quotes">'</span><span class="hl-string">GET</span><span class="hl-quotes">'</span><span class="hl-brackets">){
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</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code">.</span><span class="hl-identifier">length</span><span class="hl-code"> != </span><span class="hl-number">0</span><span class="hl-brackets">){
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</span><span class="hl-comment">// If the URI already contains a querystring, append an ampersand
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// and then concatenate _sFormData to the URI.
|
|
</span><span class="hl-identifier">uri</span><span class="hl-code"> += </span><span class="hl-brackets">((</span><span class="hl-identifier">uri</span><span class="hl-code">.</span><span class="hl-identifier">indexOf</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">?</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code"> == -</span><span class="hl-number">1</span><span class="hl-brackets">)</span><span class="hl-code">?</span><span class="hl-quotes">'</span><span class="hl-string">?</span><span class="hl-quotes">'</span><span class="hl-code">:</span><span class="hl-quotes">'</span><span class="hl-string">&</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code"> + </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-identifier">uri</span><span class="hl-code"> += </span><span class="hl-quotes">"</span><span class="hl-string">?</span><span class="hl-quotes">"</span><span class="hl-code"> + </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
</span><span class="hl-reserved">else if</span><span class="hl-brackets">(</span><span class="hl-identifier">method</span><span class="hl-code"> == </span><span class="hl-quotes">'</span><span class="hl-string">POST</span><span class="hl-quotes">'</span><span class="hl-brackets">){
|
|
</span><span class="hl-comment">//If POST data exist in addition to the HTML form data,
|
|
//it will be concatenated to the form data.
|
|
</span><span class="hl-identifier">postData</span><span class="hl-code"> = </span><span class="hl-identifier">postData</span><span class="hl-code">?</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code"> + </span><span class="hl-quotes">"</span><span class="hl-string">&</span><span class="hl-quotes">"</span><span class="hl-code"> + </span><span class="hl-identifier">postData</span><span class="hl-code">:</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
|
|
</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">open</span><span class="hl-brackets">(</span><span class="hl-identifier">method</span><span class="hl-code">, </span><span class="hl-identifier">uri</span><span class="hl-code">, </span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_isFormSubmit</span><span class="hl-code"> || </span><span class="hl-brackets">(</span><span class="hl-identifier">postData</span><span class="hl-code"> && </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_use_default_post_header</span><span class="hl-brackets">)){
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">initHeader</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">Content-Type</span><span class="hl-quotes">'</span><span class="hl-code">, </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_default_post_header</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_isFormSubmit</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">resetFormState</span><span class="hl-brackets">()</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_has_http_headers</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">setHeader</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">handleReadyState</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">send</span><span class="hl-brackets">(</span><span class="hl-identifier">postData</span><span class="hl-code"> || </span><span class="hl-reserved">null</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">return </span><span class="hl-identifier">o</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description This method serves as a timer that polls the XHR object's readyState
|
|
* property during a transaction, instead of binding a callback to the
|
|
* onreadystatechange event. Upon readyState 4, handleTransactionResponse
|
|
* will process the response, and the timer will be cleared.
|
|
* @method handleReadyState
|
|
* @private
|
|
* @static
|
|
* @param {object} o The connection object
|
|
* @param {callback} callback The user-defined callback object
|
|
* @return {void}
|
|
*/
|
|
</span><span class="hl-identifier">handleReadyState</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">oConn</span><span class="hl-code"> = </span><span class="hl-reserved">this</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">callback</span><span class="hl-code"> && </span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">timeout</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_timeOut</span><span class="hl-brackets">[</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-builtin">window</span><span class="hl-code">.</span><span class="hl-identifier">setTimeout</span><span class="hl-brackets">(</span><span class="hl-reserved">function</span><span class="hl-brackets">(){ </span><span class="hl-identifier">oConn</span><span class="hl-code">.</span><span class="hl-identifier">abort</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-code">, </span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">; </span><span class="hl-brackets">}</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">timeout</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_poll</span><span class="hl-brackets">[</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-builtin">window</span><span class="hl-code">.</span><span class="hl-identifier">setInterval</span><span class="hl-brackets">(
|
|
</span><span class="hl-reserved">function</span><span class="hl-brackets">(){
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code"> && </span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">readyState</span><span class="hl-code"> == </span><span class="hl-number">4</span><span class="hl-brackets">){
|
|
</span><span class="hl-builtin">window</span><span class="hl-code">.</span><span class="hl-identifier">clearInterval</span><span class="hl-brackets">(</span><span class="hl-identifier">oConn</span><span class="hl-code">.</span><span class="hl-identifier">_poll</span><span class="hl-brackets">[</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-brackets">])</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">delete </span><span class="hl-identifier">oConn</span><span class="hl-code">.</span><span class="hl-identifier">_poll</span><span class="hl-brackets">[</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-brackets">]</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">callback</span><span class="hl-code"> && </span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">timeout</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">delete </span><span class="hl-identifier">oConn</span><span class="hl-code">.</span><span class="hl-identifier">_timeOut</span><span class="hl-brackets">[</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-brackets">]</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-identifier">oConn</span><span class="hl-code">.</span><span class="hl-identifier">handleTransactionResponse</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}</span><span class="hl-code">
|
|
,</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_polling_interval</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description This method attempts to interpret the server response and
|
|
* determine whether the transaction was successful, or if an error or
|
|
* exception was encountered.
|
|
* @method handleTransactionResponse
|
|
* @private
|
|
* @static
|
|
* @param {object} o The connection object
|
|
* @param {object} callback The sser-defined callback object
|
|
* @param {boolean} isAbort Determines if the transaction was aborted.
|
|
* @return {void}
|
|
*/
|
|
</span><span class="hl-identifier">handleTransactionResponse</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-code">, </span><span class="hl-identifier">isAbort</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-comment">// If no valid callback is provided, then do not process any callback handling.
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-code">!</span><span class="hl-identifier">callback</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">releaseObject</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">return</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">httpStatus</span><span class="hl-code">, </span><span class="hl-identifier">responseObject</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">try
|
|
</span><span class="hl-brackets">{
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">status</span><span class="hl-code"> !== </span><span class="hl-identifier">undefined</span><span class="hl-code"> && </span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">status</span><span class="hl-code"> != </span><span class="hl-number">0</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">httpStatus</span><span class="hl-code"> = </span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">status</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-identifier">httpStatus</span><span class="hl-code"> = </span><span class="hl-number">13030</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
</span><span class="hl-reserved">catch</span><span class="hl-brackets">(</span><span class="hl-identifier">e</span><span class="hl-brackets">){
|
|
</span><span class="hl-comment">// 13030 is the custom code to indicate the condition -- in Mozilla/FF --
|
|
// when the o object's status and statusText properties are
|
|
// unavailable, and a query attempt throws an exception.
|
|
</span><span class="hl-identifier">httpStatus</span><span class="hl-code"> = </span><span class="hl-number">13030</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">httpStatus</span><span class="hl-code"> >= </span><span class="hl-number">200</span><span class="hl-code"> && </span><span class="hl-identifier">httpStatus</span><span class="hl-code"> < </span><span class="hl-number">300</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">try
|
|
</span><span class="hl-brackets">{
|
|
</span><span class="hl-identifier">responseObject</span><span class="hl-code"> = </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">createResponseObject</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">argument</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">success</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-code">!</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">scope</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">success</span><span class="hl-brackets">(</span><span class="hl-identifier">responseObject</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-comment">// If a scope property is defined, the callback will be fired from
|
|
// the context of the object.
|
|
</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">success</span><span class="hl-code">.</span><span class="hl-identifier">apply</span><span class="hl-brackets">(</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">scope</span><span class="hl-code">, </span><span class="hl-brackets">[</span><span class="hl-identifier">responseObject</span><span class="hl-brackets">])</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
}
|
|
</span><span class="hl-reserved">catch</span><span class="hl-brackets">(</span><span class="hl-identifier">e</span><span class="hl-brackets">){}
|
|
}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-reserved">try
|
|
</span><span class="hl-brackets">{
|
|
</span><span class="hl-reserved">switch</span><span class="hl-brackets">(</span><span class="hl-identifier">httpStatus</span><span class="hl-brackets">){
|
|
</span><span class="hl-comment">// The following cases are wininet.dll error codes that may be encountered.
|
|
</span><span class="hl-reserved">case </span><span class="hl-number">12002</span><span class="hl-code">: </span><span class="hl-comment">// Server timeout
|
|
</span><span class="hl-reserved">case </span><span class="hl-number">12029</span><span class="hl-code">: </span><span class="hl-comment">// 12029 to 12031 correspond to dropped connections.
|
|
</span><span class="hl-reserved">case </span><span class="hl-number">12030</span><span class="hl-code">:
|
|
</span><span class="hl-reserved">case </span><span class="hl-number">12031</span><span class="hl-code">:
|
|
</span><span class="hl-reserved">case </span><span class="hl-number">12152</span><span class="hl-code">: </span><span class="hl-comment">// Connection closed by server.
|
|
</span><span class="hl-reserved">case </span><span class="hl-number">13030</span><span class="hl-code">: </span><span class="hl-comment">// See above comments for variable status.
|
|
</span><span class="hl-identifier">responseObject</span><span class="hl-code"> = </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">createExceptionObject</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">argument</span><span class="hl-code">, </span><span class="hl-brackets">(</span><span class="hl-identifier">isAbort</span><span class="hl-code">?</span><span class="hl-identifier">isAbort</span><span class="hl-code">:</span><span class="hl-reserved">false</span><span class="hl-brackets">))</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">failure</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-code">!</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">scope</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">failure</span><span class="hl-brackets">(</span><span class="hl-identifier">responseObject</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">failure</span><span class="hl-code">.</span><span class="hl-identifier">apply</span><span class="hl-brackets">(</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">scope</span><span class="hl-code">, </span><span class="hl-brackets">[</span><span class="hl-identifier">responseObject</span><span class="hl-brackets">])</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
</span><span class="hl-reserved">break</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">default</span><span class="hl-code">:
|
|
</span><span class="hl-identifier">responseObject</span><span class="hl-code"> = </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">createResponseObject</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">argument</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">failure</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-code">!</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">scope</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">failure</span><span class="hl-brackets">(</span><span class="hl-identifier">responseObject</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">failure</span><span class="hl-code">.</span><span class="hl-identifier">apply</span><span class="hl-brackets">(</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">scope</span><span class="hl-code">, </span><span class="hl-brackets">[</span><span class="hl-identifier">responseObject</span><span class="hl-brackets">])</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
}
|
|
}
|
|
</span><span class="hl-reserved">catch</span><span class="hl-brackets">(</span><span class="hl-identifier">e</span><span class="hl-brackets">){}
|
|
}
|
|
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">releaseObject</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">responseObject</span><span class="hl-code"> = </span><span class="hl-reserved">null</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description This method evaluates the server response, creates and returns the results via
|
|
* its properties. Success and failure cases will differ in the response
|
|
* object's property values.
|
|
* @method createResponseObject
|
|
* @private
|
|
* @static
|
|
* @param {object} o The connection object
|
|
* @param {callbackArg} callbackArg The user-defined argument or arguments to be passed to the callback
|
|
* @return {object}
|
|
*/
|
|
</span><span class="hl-identifier">createResponseObject</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">, </span><span class="hl-identifier">callbackArg</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">obj</span><span class="hl-code"> = </span><span class="hl-brackets">{}</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">headerObj</span><span class="hl-code"> = </span><span class="hl-brackets">{}</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">try
|
|
</span><span class="hl-brackets">{
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">headerStr</span><span class="hl-code"> = </span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">getAllResponseHeaders</span><span class="hl-brackets">()</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">header</span><span class="hl-code"> = </span><span class="hl-identifier">headerStr</span><span class="hl-code">.</span><span class="hl-identifier">split</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">\n</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-reserved">var </span><span class="hl-identifier">i</span><span class="hl-code">=</span><span class="hl-number">0</span><span class="hl-code">; </span><span class="hl-identifier">i</span><span class="hl-code"><</span><span class="hl-identifier">header</span><span class="hl-code">.</span><span class="hl-identifier">length</span><span class="hl-code">; </span><span class="hl-identifier">i</span><span class="hl-code">++</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">delimitPos</span><span class="hl-code"> = </span><span class="hl-identifier">header</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">indexOf</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">:</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">delimitPos</span><span class="hl-code"> != -</span><span class="hl-number">1</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">headerObj</span><span class="hl-brackets">[</span><span class="hl-identifier">header</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">substring</span><span class="hl-brackets">(</span><span class="hl-number">0</span><span class="hl-code">,</span><span class="hl-identifier">delimitPos</span><span class="hl-brackets">)]</span><span class="hl-code"> = </span><span class="hl-identifier">header</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">substring</span><span class="hl-brackets">(</span><span class="hl-identifier">delimitPos</span><span class="hl-code">+</span><span class="hl-number">2</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
}
|
|
</span><span class="hl-reserved">catch</span><span class="hl-brackets">(</span><span class="hl-identifier">e</span><span class="hl-brackets">){}
|
|
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-code"> = </span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">status</span><span class="hl-code"> = </span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">status</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">statusText</span><span class="hl-code"> = </span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">statusText</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">getResponseHeader</span><span class="hl-code"> = </span><span class="hl-identifier">headerObj</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">getAllResponseHeaders</span><span class="hl-code"> = </span><span class="hl-identifier">headerStr</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">responseText</span><span class="hl-code"> = </span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">responseText</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">responseXML</span><span class="hl-code"> = </span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">responseXML</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">typeof </span><span class="hl-identifier">callbackArg</span><span class="hl-code"> !== </span><span class="hl-identifier">undefined</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">argument</span><span class="hl-code"> = </span><span class="hl-identifier">callbackArg</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">return </span><span class="hl-identifier">obj</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description If a transaction cannot be completed due to dropped or closed connections,
|
|
* there may be not be enough information to build a full response object.
|
|
* The failure callback will be fired and this specific condition can be identified
|
|
* by a status property value of 0.
|
|
*
|
|
* If an abort was successful, the status property will report a value of -1.
|
|
*
|
|
* @method createExceptionObject
|
|
* @private
|
|
* @static
|
|
* @param {int} tId The Transaction Id
|
|
* @param {callbackArg} callbackArg The user-defined argument or arguments to be passed to the callback
|
|
* @param {boolean} isAbort Determines if the exception case is caused by a transaction abort
|
|
* @return {object}
|
|
*/
|
|
</span><span class="hl-identifier">createExceptionObject</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">tId</span><span class="hl-code">, </span><span class="hl-identifier">callbackArg</span><span class="hl-code">, </span><span class="hl-identifier">isAbort</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">COMM_CODE</span><span class="hl-code"> = </span><span class="hl-number">0</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">COMM_ERROR</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">communication failure</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">ABORT_CODE</span><span class="hl-code"> = -</span><span class="hl-number">1</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">ABORT_ERROR</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">transaction aborted</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">obj</span><span class="hl-code"> = </span><span class="hl-brackets">{}</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-code"> = </span><span class="hl-identifier">tId</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">isAbort</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">status</span><span class="hl-code"> = </span><span class="hl-identifier">ABORT_CODE</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">statusText</span><span class="hl-code"> = </span><span class="hl-identifier">ABORT_ERROR</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">status</span><span class="hl-code"> = </span><span class="hl-identifier">COMM_CODE</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">statusText</span><span class="hl-code"> = </span><span class="hl-identifier">COMM_ERROR</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">callbackArg</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">argument</span><span class="hl-code"> = </span><span class="hl-identifier">callbackArg</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">return </span><span class="hl-identifier">obj</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description Public method that stores the custom HTTP headers for each transaction.
|
|
* @method initHeader
|
|
* @public
|
|
* @static
|
|
* @param {string} label The HTTP header label
|
|
* @param {string} value The HTTP header value
|
|
* @return {void}
|
|
*/
|
|
</span><span class="hl-identifier">initHeader</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-reserved">label</span><span class="hl-code">,</span><span class="hl-identifier">value</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_http_header</span><span class="hl-brackets">[</span><span class="hl-reserved">label</span><span class="hl-brackets">]</span><span class="hl-code"> === </span><span class="hl-identifier">undefined</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_http_header</span><span class="hl-brackets">[</span><span class="hl-reserved">label</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-identifier">value</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-comment">// Concatenate multiple values, comma-delimited,
|
|
// for the same header label,
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_http_header</span><span class="hl-brackets">[</span><span class="hl-reserved">label</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-identifier">value</span><span class="hl-code"> + </span><span class="hl-quotes">"</span><span class="hl-string">,</span><span class="hl-quotes">"</span><span class="hl-code"> + </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_http_header</span><span class="hl-brackets">[</span><span class="hl-reserved">label</span><span class="hl-brackets">]</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_has_http_headers</span><span class="hl-code"> = </span><span class="hl-reserved">true</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description Accessor that sets the HTTP headers for each transaction.
|
|
* @method setHeader
|
|
* @private
|
|
* @static
|
|
* @param {object} o The connection object for the transaction.
|
|
* @return {void}
|
|
*/
|
|
</span><span class="hl-identifier">setHeader</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-reserved">var </span><span class="hl-identifier">prop </span><span class="hl-reserved">in this</span><span class="hl-code">.</span><span class="hl-identifier">_http_header</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_http_header</span><span class="hl-code">.</span><span class="hl-identifier">hasOwnProperty</span><span class="hl-brackets">(</span><span class="hl-identifier">prop</span><span class="hl-brackets">)){
|
|
</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">setRequestHeader</span><span class="hl-brackets">(</span><span class="hl-identifier">prop</span><span class="hl-code">, </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_http_header</span><span class="hl-brackets">[</span><span class="hl-identifier">prop</span><span class="hl-brackets">])</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
</span><span class="hl-reserved">delete this</span><span class="hl-code">.</span><span class="hl-identifier">_http_header</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_http_header</span><span class="hl-code"> = </span><span class="hl-brackets">{}</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_has_http_headers</span><span class="hl-code"> = </span><span class="hl-reserved">false</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description This method assembles the form label and value pairs and
|
|
* constructs an encoded string.
|
|
* asyncRequest() will automatically initialize the
|
|
* transaction with a HTTP header Content-Type of
|
|
* application/x-www-form-urlencoded.
|
|
* @method setForm
|
|
* @public
|
|
* @static
|
|
* @param {string || object} form id or name attribute, or form object.
|
|
* @param {string} optional boolean to indicate SSL environment.
|
|
* @param {string || boolean} optional qualified path of iframe resource for SSL in IE.
|
|
* @return {string} string of the HTML form field name and value pairs..
|
|
*/
|
|
</span><span class="hl-identifier">setForm</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">formId</span><span class="hl-code">, </span><span class="hl-identifier">isUpload</span><span class="hl-code">, </span><span class="hl-identifier">secureUri</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">resetFormState</span><span class="hl-brackets">()</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">oForm</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">typeof </span><span class="hl-identifier">formId</span><span class="hl-code"> == </span><span class="hl-quotes">'</span><span class="hl-string">string</span><span class="hl-quotes">'</span><span class="hl-brackets">){
|
|
</span><span class="hl-comment">// Determine if the argument is a form id or a form name.
|
|
// Note form name usage is deprecated by supported
|
|
// here for legacy reasons.
|
|
</span><span class="hl-identifier">oForm</span><span class="hl-code"> = </span><span class="hl-brackets">(</span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">getElementById</span><span class="hl-brackets">(</span><span class="hl-identifier">formId</span><span class="hl-brackets">)</span><span class="hl-code"> || </span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">forms</span><span class="hl-brackets">[</span><span class="hl-identifier">formId</span><span class="hl-brackets">])</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else if</span><span class="hl-brackets">(</span><span class="hl-reserved">typeof </span><span class="hl-identifier">formId</span><span class="hl-code"> == </span><span class="hl-quotes">'</span><span class="hl-string">object</span><span class="hl-quotes">'</span><span class="hl-brackets">){
|
|
</span><span class="hl-comment">// Treat argument as an HTML form object.
|
|
</span><span class="hl-identifier">oForm</span><span class="hl-code"> = </span><span class="hl-identifier">formId</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-reserved">return</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-comment">// If the isUpload argument is true, setForm will call createFrame to initialize
|
|
// an iframe as the form target.
|
|
//
|
|
// The argument secureURI is also required by IE in SSL environments
|
|
// where the secureURI string is a fully qualified HTTP path, used to set the source
|
|
// of the iframe, to a stub resource in the same domain.
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">isUpload</span><span class="hl-brackets">){
|
|
|
|
</span><span class="hl-comment">// Create iframe in preparation for file upload.
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">createFrame</span><span class="hl-brackets">(</span><span class="hl-identifier">secureUri</span><span class="hl-code">?</span><span class="hl-identifier">secureUri</span><span class="hl-code">:</span><span class="hl-reserved">null</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-comment">// Set form reference and file upload properties to true.
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_isFormSubmit</span><span class="hl-code"> = </span><span class="hl-reserved">true</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_isFileUpload</span><span class="hl-code"> = </span><span class="hl-reserved">true</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_formNode</span><span class="hl-code"> = </span><span class="hl-identifier">oForm</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">return</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">oElement</span><span class="hl-code">, </span><span class="hl-identifier">oName</span><span class="hl-code">, </span><span class="hl-identifier">oValue</span><span class="hl-code">, </span><span class="hl-identifier">oDisabled</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">hasSubmit</span><span class="hl-code"> = </span><span class="hl-reserved">false</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-comment">// Iterate over the form elements collection to construct the
|
|
// label-value pairs.
|
|
</span><span class="hl-reserved">for </span><span class="hl-brackets">(</span><span class="hl-reserved">var </span><span class="hl-identifier">i</span><span class="hl-code">=</span><span class="hl-number">0</span><span class="hl-code">; </span><span class="hl-identifier">i</span><span class="hl-code"><</span><span class="hl-identifier">oForm</span><span class="hl-code">.</span><span class="hl-identifier">elements</span><span class="hl-code">.</span><span class="hl-identifier">length</span><span class="hl-code">; </span><span class="hl-identifier">i</span><span class="hl-code">++</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">oElement</span><span class="hl-code"> = </span><span class="hl-identifier">oForm</span><span class="hl-code">.</span><span class="hl-identifier">elements</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">oDisabled</span><span class="hl-code"> = </span><span class="hl-identifier">oForm</span><span class="hl-code">.</span><span class="hl-identifier">elements</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">disabled</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">oName</span><span class="hl-code"> = </span><span class="hl-identifier">oForm</span><span class="hl-code">.</span><span class="hl-identifier">elements</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">name</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">oValue</span><span class="hl-code"> = </span><span class="hl-identifier">oForm</span><span class="hl-code">.</span><span class="hl-identifier">elements</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">value</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-comment">// Do not submit fields that are disabled or
|
|
// do not have a name attribute value.
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-code">!</span><span class="hl-identifier">oDisabled</span><span class="hl-code"> && </span><span class="hl-identifier">oName</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-reserved">switch </span><span class="hl-brackets">(</span><span class="hl-identifier">oElement</span><span class="hl-code">.</span><span class="hl-identifier">type</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-reserved">case </span><span class="hl-quotes">'</span><span class="hl-string">select-one</span><span class="hl-quotes">'</span><span class="hl-code">:
|
|
</span><span class="hl-reserved">case </span><span class="hl-quotes">'</span><span class="hl-string">select-multiple</span><span class="hl-quotes">'</span><span class="hl-code">:
|
|
</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-reserved">var </span><span class="hl-identifier">j</span><span class="hl-code">=</span><span class="hl-number">0</span><span class="hl-code">; </span><span class="hl-identifier">j</span><span class="hl-code"><</span><span class="hl-identifier">oElement</span><span class="hl-code">.</span><span class="hl-identifier">options</span><span class="hl-code">.</span><span class="hl-identifier">length</span><span class="hl-code">; </span><span class="hl-identifier">j</span><span class="hl-code">++</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">oElement</span><span class="hl-code">.</span><span class="hl-identifier">options</span><span class="hl-brackets">[</span><span class="hl-identifier">j</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">selected</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-builtin">window</span><span class="hl-code">.</span><span class="hl-identifier">ActiveXObject</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code"> += </span><span class="hl-identifier">encodeURIComponent</span><span class="hl-brackets">(</span><span class="hl-identifier">oName</span><span class="hl-brackets">)</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">=</span><span class="hl-quotes">'</span><span class="hl-code"> + </span><span class="hl-identifier">encodeURIComponent</span><span class="hl-brackets">(</span><span class="hl-identifier">oElement</span><span class="hl-code">.</span><span class="hl-identifier">options</span><span class="hl-brackets">[</span><span class="hl-identifier">j</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">attributes</span><span class="hl-brackets">[</span><span class="hl-quotes">'</span><span class="hl-string">value</span><span class="hl-quotes">'</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">specified</span><span class="hl-code">?</span><span class="hl-identifier">oElement</span><span class="hl-code">.</span><span class="hl-identifier">options</span><span class="hl-brackets">[</span><span class="hl-identifier">j</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">value</span><span class="hl-code">:</span><span class="hl-identifier">oElement</span><span class="hl-code">.</span><span class="hl-identifier">options</span><span class="hl-brackets">[</span><span class="hl-identifier">j</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">text</span><span class="hl-brackets">)</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">&</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code"> += </span><span class="hl-identifier">encodeURIComponent</span><span class="hl-brackets">(</span><span class="hl-identifier">oName</span><span class="hl-brackets">)</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">=</span><span class="hl-quotes">'</span><span class="hl-code"> + </span><span class="hl-identifier">encodeURIComponent</span><span class="hl-brackets">(</span><span class="hl-identifier">oElement</span><span class="hl-code">.</span><span class="hl-identifier">options</span><span class="hl-brackets">[</span><span class="hl-identifier">j</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">hasAttribute</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">value</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">?</span><span class="hl-identifier">oElement</span><span class="hl-code">.</span><span class="hl-identifier">options</span><span class="hl-brackets">[</span><span class="hl-identifier">j</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">value</span><span class="hl-code">:</span><span class="hl-identifier">oElement</span><span class="hl-code">.</span><span class="hl-identifier">options</span><span class="hl-brackets">[</span><span class="hl-identifier">j</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">text</span><span class="hl-brackets">)</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">&</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
}
|
|
}
|
|
</span><span class="hl-reserved">break</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">case </span><span class="hl-quotes">'</span><span class="hl-string">radio</span><span class="hl-quotes">'</span><span class="hl-code">:
|
|
</span><span class="hl-reserved">case </span><span class="hl-quotes">'</span><span class="hl-string">checkbox</span><span class="hl-quotes">'</span><span class="hl-code">:
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">oElement</span><span class="hl-code">.</span><span class="hl-identifier">checked</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code"> += </span><span class="hl-identifier">encodeURIComponent</span><span class="hl-brackets">(</span><span class="hl-identifier">oName</span><span class="hl-brackets">)</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">=</span><span class="hl-quotes">'</span><span class="hl-code"> + </span><span class="hl-identifier">encodeURIComponent</span><span class="hl-brackets">(</span><span class="hl-identifier">oValue</span><span class="hl-brackets">)</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">&</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">break</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">case </span><span class="hl-quotes">'</span><span class="hl-string">file</span><span class="hl-quotes">'</span><span class="hl-code">:
|
|
</span><span class="hl-comment">// stub case as XMLHttpRequest will only send the file path as a string.
|
|
</span><span class="hl-reserved">case </span><span class="hl-identifier">undefined</span><span class="hl-code">:
|
|
</span><span class="hl-comment">// stub case for fieldset element which returns undefined.
|
|
</span><span class="hl-reserved">case </span><span class="hl-quotes">'</span><span class="hl-string">reset</span><span class="hl-quotes">'</span><span class="hl-code">:
|
|
</span><span class="hl-comment">// stub case for input type reset button.
|
|
</span><span class="hl-reserved">case </span><span class="hl-quotes">'</span><span class="hl-string">button</span><span class="hl-quotes">'</span><span class="hl-code">:
|
|
</span><span class="hl-comment">// stub case for input type button elements.
|
|
</span><span class="hl-reserved">break</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">case </span><span class="hl-quotes">'</span><span class="hl-string">submit</span><span class="hl-quotes">'</span><span class="hl-code">:
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">hasSubmit</span><span class="hl-code"> == </span><span class="hl-reserved">false</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code"> += </span><span class="hl-identifier">encodeURIComponent</span><span class="hl-brackets">(</span><span class="hl-identifier">oName</span><span class="hl-brackets">)</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">=</span><span class="hl-quotes">'</span><span class="hl-code"> + </span><span class="hl-identifier">encodeURIComponent</span><span class="hl-brackets">(</span><span class="hl-identifier">oValue</span><span class="hl-brackets">)</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">&</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">hasSubmit</span><span class="hl-code"> = </span><span class="hl-reserved">true</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">break</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">default</span><span class="hl-code">:
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code"> += </span><span class="hl-identifier">encodeURIComponent</span><span class="hl-brackets">(</span><span class="hl-identifier">oName</span><span class="hl-brackets">)</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">=</span><span class="hl-quotes">'</span><span class="hl-code"> + </span><span class="hl-identifier">encodeURIComponent</span><span class="hl-brackets">(</span><span class="hl-identifier">oValue</span><span class="hl-brackets">)</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">&</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">break</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
}
|
|
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_isFormSubmit</span><span class="hl-code"> = </span><span class="hl-reserved">true</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code"> = </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code">.</span><span class="hl-identifier">substr</span><span class="hl-brackets">(</span><span class="hl-number">0</span><span class="hl-code">, </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code">.</span><span class="hl-identifier">length</span><span class="hl-code"> - </span><span class="hl-number">1</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">return this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description Resets HTML form properties when an HTML form or HTML form
|
|
* with file upload transaction is sent.
|
|
* @method resetFormState
|
|
* @private
|
|
* @static
|
|
* @return {void}
|
|
*/
|
|
</span><span class="hl-identifier">resetFormState</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(){
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_isFormSubmit</span><span class="hl-code"> = </span><span class="hl-reserved">false</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_isFileUpload</span><span class="hl-code"> = </span><span class="hl-reserved">false</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_formNode</span><span class="hl-code"> = </span><span class="hl-reserved">null</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_sFormData</span><span class="hl-code"> = </span><span class="hl-quotes">""</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description Creates an iframe to be used for form file uploads. It is remove from the
|
|
* document upon completion of the upload transaction.
|
|
* @method createFrame
|
|
* @private
|
|
* @static
|
|
* @param {string} secureUri Optional qualified path of iframe resource for SSL in IE.
|
|
* @return {void}
|
|
*/
|
|
</span><span class="hl-identifier">createFrame</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">secureUri</span><span class="hl-brackets">){
|
|
|
|
</span><span class="hl-comment">// IE does not allow the setting of id and name attributes as object
|
|
// properties via createElement(). A different iframe creation
|
|
// pattern is required for IE.
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">frameId</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">yuiIO</span><span class="hl-quotes">'</span><span class="hl-code"> + </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_transaction_id</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-builtin">window</span><span class="hl-code">.</span><span class="hl-identifier">ActiveXObject</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">io</span><span class="hl-code"> = </span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">createElement</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string"><iframe id="</span><span class="hl-quotes">'</span><span class="hl-code"> + </span><span class="hl-identifier">frameId</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">" name="</span><span class="hl-quotes">'</span><span class="hl-code"> + </span><span class="hl-identifier">frameId</span><span class="hl-code"> + </span><span class="hl-quotes">'</span><span class="hl-string">" /></span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-comment">// IE will throw a security exception in an SSL environment if the
|
|
// iframe source is undefined.
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">typeof </span><span class="hl-identifier">secureUri</span><span class="hl-code"> == </span><span class="hl-quotes">'</span><span class="hl-string">boolean</span><span class="hl-quotes">'</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">src</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">javascript:false</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else if</span><span class="hl-brackets">(</span><span class="hl-reserved">typeof </span><span class="hl-identifier">secureURI</span><span class="hl-code"> == </span><span class="hl-quotes">'</span><span class="hl-string">string</span><span class="hl-quotes">'</span><span class="hl-brackets">){
|
|
</span><span class="hl-comment">// Deprecated
|
|
</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">src</span><span class="hl-code"> = </span><span class="hl-identifier">secureUri</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">io</span><span class="hl-code"> = </span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">createElement</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">iframe</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">id</span><span class="hl-code"> = </span><span class="hl-identifier">frameId</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">name</span><span class="hl-code"> = </span><span class="hl-identifier">frameId</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">style</span><span class="hl-code">.</span><span class="hl-identifier">position</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">absolute</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">style</span><span class="hl-code">.</span><span class="hl-identifier">top</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">-1000px</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">style</span><span class="hl-code">.</span><span class="hl-identifier">left</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">-1000px</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">body</span><span class="hl-code">.</span><span class="hl-identifier">appendChild</span><span class="hl-brackets">(</span><span class="hl-identifier">io</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description Parses the POST data and creates hidden form elements
|
|
* for each key-value, and appends them to the HTML form object.
|
|
* @method appendPostData
|
|
* @private
|
|
* @static
|
|
* @param {string} postData The HTTP POST data
|
|
* @return {array} formElements Collection of hidden fields.
|
|
*/
|
|
</span><span class="hl-identifier">appendPostData</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">postData</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">formElements</span><span class="hl-code"> = </span><span class="hl-reserved">new </span><span class="hl-builtin">Array</span><span class="hl-brackets">()</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">postMessage</span><span class="hl-code"> = </span><span class="hl-identifier">postData</span><span class="hl-code">.</span><span class="hl-identifier">split</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">&</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-reserved">var </span><span class="hl-identifier">i</span><span class="hl-code">=</span><span class="hl-number">0</span><span class="hl-code">; </span><span class="hl-identifier">i</span><span class="hl-code"> < </span><span class="hl-identifier">postMessage</span><span class="hl-code">.</span><span class="hl-identifier">length</span><span class="hl-code">; </span><span class="hl-identifier">i</span><span class="hl-code">++</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">delimitPos</span><span class="hl-code"> = </span><span class="hl-identifier">postMessage</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">indexOf</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">=</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">delimitPos</span><span class="hl-code"> != -</span><span class="hl-number">1</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">formElements</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code"> = </span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">createElement</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">input</span><span class="hl-quotes">'</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">formElements</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">type</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">hidden</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">formElements</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">name</span><span class="hl-code"> = </span><span class="hl-identifier">postMessage</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">substring</span><span class="hl-brackets">(</span><span class="hl-number">0</span><span class="hl-code">,</span><span class="hl-identifier">delimitPos</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">formElements</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">value</span><span class="hl-code"> = </span><span class="hl-identifier">postMessage</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">]</span><span class="hl-code">.</span><span class="hl-identifier">substring</span><span class="hl-brackets">(</span><span class="hl-identifier">delimitPos</span><span class="hl-code">+</span><span class="hl-number">1</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_formNode</span><span class="hl-code">.</span><span class="hl-identifier">appendChild</span><span class="hl-brackets">(</span><span class="hl-identifier">formElements</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">])</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
|
|
</span><span class="hl-reserved">return </span><span class="hl-identifier">formElements</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description Uploads HTML form, including files/attachments, to the
|
|
* iframe created in createFrame.
|
|
* @method uploadFile
|
|
* @private
|
|
* @static
|
|
* @param {int} id The transaction id.
|
|
* @param {object} callback - User-defined callback object.
|
|
* @param {string} uri Fully qualified path of resource.
|
|
* @return {void}
|
|
*/
|
|
</span><span class="hl-identifier">uploadFile</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">id</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-code">, </span><span class="hl-identifier">uri</span><span class="hl-code">, </span><span class="hl-identifier">postData</span><span class="hl-brackets">){
|
|
|
|
</span><span class="hl-comment">// Each iframe has an id prefix of "yuiIO" followed
|
|
// by the unique transaction id.
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">frameId</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">yuiIO</span><span class="hl-quotes">'</span><span class="hl-code"> + </span><span class="hl-identifier">id</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">io</span><span class="hl-code"> = </span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">getElementById</span><span class="hl-brackets">(</span><span class="hl-identifier">frameId</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-comment">// Initialize the HTML form properties in case they are
|
|
// not defined in the HTML form.
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_formNode</span><span class="hl-code">.</span><span class="hl-identifier">action</span><span class="hl-code"> = </span><span class="hl-identifier">uri</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_formNode</span><span class="hl-code">.</span><span class="hl-identifier">method</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">POST</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_formNode</span><span class="hl-code">.</span><span class="hl-identifier">target</span><span class="hl-code"> = </span><span class="hl-identifier">frameId</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_formNode</span><span class="hl-code">.</span><span class="hl-identifier">encoding</span><span class="hl-brackets">){
|
|
</span><span class="hl-comment">// IE does not respect property enctype for HTML forms.
|
|
// Instead use property encoding.
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_formNode</span><span class="hl-code">.</span><span class="hl-identifier">encoding</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">multipart/form-data</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_formNode</span><span class="hl-code">.</span><span class="hl-identifier">enctype</span><span class="hl-code"> = </span><span class="hl-quotes">'</span><span class="hl-string">multipart/form-data</span><span class="hl-quotes">'</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">postData</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">oElements</span><span class="hl-code"> = </span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">appendPostData</span><span class="hl-brackets">(</span><span class="hl-identifier">postData</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_formNode</span><span class="hl-code">.</span><span class="hl-identifier">submit</span><span class="hl-brackets">()</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">oElements</span><span class="hl-code"> && </span><span class="hl-identifier">oElements</span><span class="hl-code">.</span><span class="hl-identifier">length</span><span class="hl-code"> > </span><span class="hl-number">0</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">try
|
|
</span><span class="hl-brackets">{
|
|
</span><span class="hl-reserved">for</span><span class="hl-brackets">(</span><span class="hl-reserved">var </span><span class="hl-identifier">i</span><span class="hl-code">=</span><span class="hl-number">0</span><span class="hl-code">; </span><span class="hl-identifier">i</span><span class="hl-code"> < </span><span class="hl-identifier">oElements</span><span class="hl-code">.</span><span class="hl-identifier">length</span><span class="hl-code">; </span><span class="hl-identifier">i</span><span class="hl-code">++</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_formNode</span><span class="hl-code">.</span><span class="hl-identifier">removeChild</span><span class="hl-brackets">(</span><span class="hl-identifier">oElements</span><span class="hl-brackets">[</span><span class="hl-identifier">i</span><span class="hl-brackets">])</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
</span><span class="hl-reserved">catch</span><span class="hl-brackets">(</span><span class="hl-identifier">e</span><span class="hl-brackets">){}
|
|
}
|
|
|
|
</span><span class="hl-comment">// Reset HTML form status properties.
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">resetFormState</span><span class="hl-brackets">()</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-comment">// Create the upload callback handler that fires when the iframe
|
|
// receives the load event. Subsequently, the event handler is detached
|
|
// and the iframe removed from the document.
|
|
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">uploadCallback</span><span class="hl-code"> = </span><span class="hl-reserved">function</span><span class="hl-brackets">()
|
|
{
|
|
</span><span class="hl-reserved">var </span><span class="hl-identifier">obj</span><span class="hl-code"> = </span><span class="hl-brackets">{}</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-code"> = </span><span class="hl-identifier">id</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">argument</span><span class="hl-code"> = </span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">argument</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">try
|
|
</span><span class="hl-brackets">{
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">responseText</span><span class="hl-code"> = </span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">contentWindow</span><span class="hl-code">.</span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">body</span><span class="hl-code">?</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">contentWindow</span><span class="hl-code">.</span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">body</span><span class="hl-code">.</span><span class="hl-identifier">innerHTML</span><span class="hl-code">:</span><span class="hl-reserved">null</span><span class="hl-code">;
|
|
</span><span class="hl-identifier">obj</span><span class="hl-code">.</span><span class="hl-identifier">responseXML</span><span class="hl-code"> = </span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">contentWindow</span><span class="hl-code">.</span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">XMLDocument</span><span class="hl-code">?</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">contentWindow</span><span class="hl-code">.</span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">XMLDocument</span><span class="hl-code">:</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">contentWindow</span><span class="hl-code">.</span><span class="hl-builtin">document</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">catch</span><span class="hl-brackets">(</span><span class="hl-identifier">e</span><span class="hl-brackets">){}
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">upload</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-code">!</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">scope</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">upload</span><span class="hl-brackets">(</span><span class="hl-identifier">obj</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">upload</span><span class="hl-code">.</span><span class="hl-identifier">apply</span><span class="hl-brackets">(</span><span class="hl-identifier">callback</span><span class="hl-code">.</span><span class="hl-identifier">scope</span><span class="hl-code">, </span><span class="hl-brackets">[</span><span class="hl-identifier">obj</span><span class="hl-brackets">])</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}
|
|
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">YAHOO</span><span class="hl-code">.</span><span class="hl-identifier">util</span><span class="hl-code">.</span><span class="hl-identifier">Event</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">YAHOO</span><span class="hl-code">.</span><span class="hl-identifier">util</span><span class="hl-code">.</span><span class="hl-identifier">Event</span><span class="hl-code">.</span><span class="hl-identifier">removeListener</span><span class="hl-brackets">(</span><span class="hl-identifier">io</span><span class="hl-code">, </span><span class="hl-quotes">"</span><span class="hl-string">load</span><span class="hl-quotes">"</span><span class="hl-code">, </span><span class="hl-identifier">uploadCallback</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else if</span><span class="hl-brackets">(</span><span class="hl-builtin">window</span><span class="hl-code">.</span><span class="hl-identifier">detachEvent</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">detachEvent</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">onload</span><span class="hl-quotes">'</span><span class="hl-code">, </span><span class="hl-identifier">uploadCallback</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">removeEventListener</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">load</span><span class="hl-quotes">'</span><span class="hl-code">, </span><span class="hl-identifier">uploadCallback</span><span class="hl-code">, </span><span class="hl-reserved">false</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-identifier">setTimeout</span><span class="hl-brackets">(</span><span class="hl-reserved">function</span><span class="hl-brackets">(){ </span><span class="hl-builtin">document</span><span class="hl-code">.</span><span class="hl-identifier">body</span><span class="hl-code">.</span><span class="hl-identifier">removeChild</span><span class="hl-brackets">(</span><span class="hl-identifier">io</span><span class="hl-brackets">)</span><span class="hl-code">; </span><span class="hl-brackets">}</span><span class="hl-code">, </span><span class="hl-number">100</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}</span><span class="hl-code">;
|
|
|
|
|
|
</span><span class="hl-comment">// Bind the onload handler to the iframe to detect the file upload response.
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">YAHOO</span><span class="hl-code">.</span><span class="hl-identifier">util</span><span class="hl-code">.</span><span class="hl-identifier">Event</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">YAHOO</span><span class="hl-code">.</span><span class="hl-identifier">util</span><span class="hl-code">.</span><span class="hl-identifier">Event</span><span class="hl-code">.</span><span class="hl-identifier">addListener</span><span class="hl-brackets">(</span><span class="hl-identifier">io</span><span class="hl-code">, </span><span class="hl-quotes">"</span><span class="hl-string">load</span><span class="hl-quotes">"</span><span class="hl-code">, </span><span class="hl-identifier">uploadCallback</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else if</span><span class="hl-brackets">(</span><span class="hl-builtin">window</span><span class="hl-code">.</span><span class="hl-identifier">attachEvent</span><span class="hl-brackets">){
|
|
</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">attachEvent</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">onload</span><span class="hl-quotes">'</span><span class="hl-code">, </span><span class="hl-identifier">uploadCallback</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-identifier">io</span><span class="hl-code">.</span><span class="hl-identifier">addEventListener</span><span class="hl-brackets">(</span><span class="hl-quotes">'</span><span class="hl-string">load</span><span class="hl-quotes">'</span><span class="hl-code">, </span><span class="hl-identifier">uploadCallback</span><span class="hl-code">, </span><span class="hl-reserved">false</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description Method to terminate a transaction, if it has not reached readyState 4.
|
|
* @method abort
|
|
* @public
|
|
* @static
|
|
* @param {object} o The connection object returned by asyncRequest.
|
|
* @param {object} callback User-defined callback object.
|
|
* @param {string} isTimeout boolean to indicate if abort was a timeout.
|
|
* @return {boolean}
|
|
*/
|
|
</span><span class="hl-identifier">abort</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-code">, </span><span class="hl-identifier">isTimeout</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">isCallInProgress</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-brackets">)){
|
|
</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">abort</span><span class="hl-brackets">()</span><span class="hl-code">;
|
|
</span><span class="hl-builtin">window</span><span class="hl-code">.</span><span class="hl-identifier">clearInterval</span><span class="hl-brackets">(</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">_poll</span><span class="hl-brackets">[</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-brackets">])</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">delete this</span><span class="hl-code">.</span><span class="hl-identifier">_poll</span><span class="hl-brackets">[</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-brackets">]</span><span class="hl-code">;
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">isTimeout</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">delete this</span><span class="hl-code">.</span><span class="hl-identifier">_timeOut</span><span class="hl-brackets">[</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">tId</span><span class="hl-brackets">]</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
|
|
</span><span class="hl-reserved">this</span><span class="hl-code">.</span><span class="hl-identifier">handleTransactionResponse</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">, </span><span class="hl-identifier">callback</span><span class="hl-code">, </span><span class="hl-reserved">true</span><span class="hl-brackets">)</span><span class="hl-code">;
|
|
|
|
</span><span class="hl-reserved">return true</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-reserved">return false</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* Public method to check if the transaction is still being processed.
|
|
*
|
|
* @method isCallInProgress
|
|
* @public
|
|
* @static
|
|
* @param {object} o The connection object returned by asyncRequest
|
|
* @return {boolean}
|
|
*/
|
|
</span><span class="hl-identifier">isCallInProgress</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-comment">// if the XHR object assigned to the transaction has not been dereferenced,
|
|
// then check its readyState status. Otherwise, return false.
|
|
</span><span class="hl-reserved">if</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-brackets">){
|
|
</span><span class="hl-reserved">return </span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">readyState</span><span class="hl-code"> != </span><span class="hl-number">4</span><span class="hl-code"> && </span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code">.</span><span class="hl-identifier">readyState</span><span class="hl-code"> != </span><span class="hl-number">0</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
</span><span class="hl-reserved">else</span><span class="hl-brackets">{
|
|
</span><span class="hl-comment">//The XHR object has been destroyed.
|
|
</span><span class="hl-reserved">return false</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}</span><span class="hl-code">,
|
|
|
|
</span><span class="hl-comment">/**
|
|
* @description Dereference the XHR instance and the connection object after the transaction is completed.
|
|
* @method releaseObject
|
|
* @private
|
|
* @static
|
|
* @param {object} o The connection object
|
|
* @return {void}
|
|
*/
|
|
</span><span class="hl-identifier">releaseObject</span><span class="hl-code">:</span><span class="hl-reserved">function</span><span class="hl-brackets">(</span><span class="hl-identifier">o</span><span class="hl-brackets">)
|
|
{
|
|
</span><span class="hl-comment">//dereference the XHR instance.
|
|
</span><span class="hl-identifier">o</span><span class="hl-code">.</span><span class="hl-identifier">conn</span><span class="hl-code"> = </span><span class="hl-reserved">null</span><span class="hl-code">;
|
|
</span><span class="hl-comment">//dereference the connection object.
|
|
</span><span class="hl-identifier">o</span><span class="hl-code"> = </span><span class="hl-reserved">null</span><span class="hl-code">;
|
|
</span><span class="hl-brackets">}
|
|
}</span><span class="hl-default">;</span></pre></div><hr>Copyright © 2006 Jack Slocum. All rights reserved.</body></html> |