718 lines
19 KiB
JavaScript
718 lines
19 KiB
JavaScript
(function( jQuery ) {
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var jsc = jQuery.now(),
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rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
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rselectTextarea = /^(?:select|textarea)/i,
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rinput = /^(?:color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i,
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rnoContent = /^(?:GET|HEAD)$/,
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rbracket = /\[\]$/,
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jsre = /\=\?(&|$)/,
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rquery = /\?/,
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rts = /([?&])_=[^&]*/,
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rurl = /^(\w+:)?\/\/([^\/?#]+)/,
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r20 = /%20/g,
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rhash = /#.*$/,
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// Keep a copy of the old load method
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_load = jQuery.fn.load;
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jQuery.fn.extend({
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load: function( url, params, callback ) {
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if ( typeof url !== "string" && _load ) {
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return _load.apply( this, arguments );
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// Don't do a request if no elements are being requested
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} else if ( !this.length ) {
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return this;
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}
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var off = url.indexOf(" ");
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if ( off >= 0 ) {
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var selector = url.slice(off, url.length);
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url = url.slice(0, off);
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}
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// Default to a GET request
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var type = "GET";
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// If the second parameter was provided
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if ( params ) {
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// If it's a function
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if ( jQuery.isFunction( params ) ) {
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// We assume that it's the callback
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callback = params;
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params = null;
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// Otherwise, build a param string
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} else if ( typeof params === "object" ) {
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params = jQuery.param( params, jQuery.ajaxSettings.traditional );
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type = "POST";
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}
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}
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var self = this;
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// Request the remote document
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jQuery.ajax({
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url: url,
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type: type,
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dataType: "html",
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data: params,
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complete: function( res, status ) {
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// If successful, inject the HTML into all the matched elements
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if ( status === "success" || status === "notmodified" ) {
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// See if a selector was specified
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self.html( selector ?
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// Create a dummy div to hold the results
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jQuery("<div>")
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// inject the contents of the document in, removing the scripts
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// to avoid any 'Permission Denied' errors in IE
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.append(res.responseText.replace(rscript, ""))
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// Locate the specified elements
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.find(selector) :
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// If not, just inject the full result
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res.responseText );
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}
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if ( callback ) {
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self.each( callback, [res.responseText, status, res] );
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}
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}
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});
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return this;
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},
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serialize: function() {
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return jQuery.param(this.serializeArray());
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},
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serializeArray: function() {
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return this.map(function() {
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return this.elements ? jQuery.makeArray(this.elements) : this;
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})
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.filter(function() {
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return this.name && !this.disabled &&
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(this.checked || rselectTextarea.test(this.nodeName) ||
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rinput.test(this.type));
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})
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.map(function( i, elem ) {
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var val = jQuery(this).val();
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return val == null ?
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null :
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jQuery.isArray(val) ?
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jQuery.map( val, function( val, i ) {
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return { name: elem.name, value: val };
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}) :
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{ name: elem.name, value: val };
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}).get();
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}
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});
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// Attach a bunch of functions for handling common AJAX events
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jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split(" "), function( i, o ) {
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jQuery.fn[o] = function( f ) {
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return this.bind(o, f);
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};
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});
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jQuery.extend({
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get: function( url, data, callback, type ) {
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// shift arguments if data argument was omited
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if ( jQuery.isFunction( data ) ) {
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type = type || callback;
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callback = data;
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data = null;
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}
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return jQuery.ajax({
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type: "GET",
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url: url,
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data: data,
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success: callback,
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dataType: type
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});
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},
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getScript: function( url, callback ) {
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return jQuery.get(url, null, callback, "script");
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},
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getJSON: function( url, data, callback ) {
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return jQuery.get(url, data, callback, "json");
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},
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post: function( url, data, callback, type ) {
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// shift arguments if data argument was omited
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if ( jQuery.isFunction( data ) ) {
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type = type || callback;
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callback = data;
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data = {};
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}
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return jQuery.ajax({
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type: "POST",
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url: url,
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data: data,
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success: callback,
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dataType: type
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});
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},
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ajaxSetup: function( settings ) {
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jQuery.extend( jQuery.ajaxSettings, settings );
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},
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ajaxSettings: {
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url: location.href,
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global: true,
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type: "GET",
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contentType: "application/x-www-form-urlencoded",
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processData: true,
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async: true,
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/*
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timeout: 0,
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data: null,
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username: null,
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password: null,
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traditional: false,
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*/
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// This function can be overriden by calling jQuery.ajaxSetup
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xhr: function() {
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return new window.XMLHttpRequest();
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},
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accepts: {
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xml: "application/xml, text/xml",
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html: "text/html",
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script: "text/javascript, application/javascript",
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json: "application/json, text/javascript",
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text: "text/plain",
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_default: "*/*"
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}
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},
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ajax: function( origSettings ) {
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var s = jQuery.extend(true, {}, jQuery.ajaxSettings, origSettings),
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jsonp, status, data, type = s.type.toUpperCase(), noContent = rnoContent.test(type);
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s.url = s.url.replace( rhash, "" );
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// Use original (not extended) context object if it was provided
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s.context = origSettings && origSettings.context != null ? origSettings.context : s;
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// convert data if not already a string
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if ( s.data && s.processData && typeof s.data !== "string" ) {
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s.data = jQuery.param( s.data, s.traditional );
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}
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// Handle JSONP Parameter Callbacks
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if ( s.dataType === "jsonp" ) {
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if ( type === "GET" ) {
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if ( !jsre.test( s.url ) ) {
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s.url += (rquery.test( s.url ) ? "&" : "?") + (s.jsonp || "callback") + "=?";
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}
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} else if ( !s.data || !jsre.test(s.data) ) {
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s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
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}
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s.dataType = "json";
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}
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// Build temporary JSONP function
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if ( s.dataType === "json" && (s.data && jsre.test(s.data) || jsre.test(s.url)) ) {
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jsonp = s.jsonpCallback || ("jsonp" + jsc++);
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// Replace the =? sequence both in the query string and the data
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if ( s.data ) {
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s.data = (s.data + "").replace(jsre, "=" + jsonp + "$1");
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}
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s.url = s.url.replace(jsre, "=" + jsonp + "$1");
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// We need to make sure
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// that a JSONP style response is executed properly
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s.dataType = "script";
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// Handle JSONP-style loading
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var customJsonp = window[ jsonp ];
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window[ jsonp ] = function( tmp ) {
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if ( jQuery.isFunction( customJsonp ) ) {
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customJsonp( tmp );
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} else {
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// Garbage collect
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window[ jsonp ] = undefined;
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try {
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delete window[ jsonp ];
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} catch( jsonpError ) {}
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}
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data = tmp;
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jQuery.handleSuccess( s, xhr, status, data );
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jQuery.handleComplete( s, xhr, status, data );
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if ( head ) {
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head.removeChild( script );
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}
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};
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}
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if ( s.dataType === "script" && s.cache === null ) {
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s.cache = false;
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}
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if ( s.cache === false && noContent ) {
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var ts = jQuery.now();
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// try replacing _= if it is there
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var ret = s.url.replace(rts, "$1_=" + ts);
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// if nothing was replaced, add timestamp to the end
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s.url = ret + ((ret === s.url) ? (rquery.test(s.url) ? "&" : "?") + "_=" + ts : "");
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}
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// If data is available, append data to url for GET/HEAD requests
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if ( s.data && noContent ) {
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s.url += (rquery.test(s.url) ? "&" : "?") + s.data;
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}
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// Watch for a new set of requests
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if ( s.global && jQuery.active++ === 0 ) {
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jQuery.event.trigger( "ajaxStart" );
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}
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// Matches an absolute URL, and saves the domain
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var parts = rurl.exec( s.url ),
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remote = parts && (parts[1] && parts[1].toLowerCase() !== location.protocol || parts[2].toLowerCase() !== location.host);
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// If we're requesting a remote document
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// and trying to load JSON or Script with a GET
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if ( s.dataType === "script" && type === "GET" && remote ) {
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var head = document.getElementsByTagName("head")[0] || document.documentElement;
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var script = document.createElement("script");
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if ( s.scriptCharset ) {
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script.charset = s.scriptCharset;
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}
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script.src = s.url;
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// Handle Script loading
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if ( !jsonp ) {
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var done = false;
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// Attach handlers for all browsers
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script.onload = script.onreadystatechange = function() {
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if ( !done && (!this.readyState ||
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this.readyState === "loaded" || this.readyState === "complete") ) {
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done = true;
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jQuery.handleSuccess( s, xhr, status, data );
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jQuery.handleComplete( s, xhr, status, data );
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// Handle memory leak in IE
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script.onload = script.onreadystatechange = null;
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if ( head && script.parentNode ) {
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head.removeChild( script );
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}
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}
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};
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}
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// Use insertBefore instead of appendChild to circumvent an IE6 bug.
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// This arises when a base node is used (#2709 and #4378).
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head.insertBefore( script, head.firstChild );
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// We handle everything using the script element injection
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return undefined;
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}
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var requestDone = false;
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// Create the request object
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var xhr = s.xhr();
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if ( !xhr ) {
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return;
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}
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// Open the socket
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// Passing null username, generates a login popup on Opera (#2865)
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if ( s.username ) {
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xhr.open(type, s.url, s.async, s.username, s.password);
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} else {
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xhr.open(type, s.url, s.async);
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}
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// Need an extra try/catch for cross domain requests in Firefox 3
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try {
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// Set content-type if data specified and content-body is valid for this type
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if ( (s.data != null && !noContent) || (origSettings && origSettings.contentType) ) {
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xhr.setRequestHeader("Content-Type", s.contentType);
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}
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// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
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if ( s.ifModified ) {
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if ( jQuery.lastModified[s.url] ) {
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xhr.setRequestHeader("If-Modified-Since", jQuery.lastModified[s.url]);
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}
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if ( jQuery.etag[s.url] ) {
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xhr.setRequestHeader("If-None-Match", jQuery.etag[s.url]);
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}
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}
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// Set header so the called script knows that it's an XMLHttpRequest
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// Only send the header if it's not a remote XHR
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if ( !remote ) {
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xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
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}
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// Set the Accepts header for the server, depending on the dataType
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xhr.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ?
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s.accepts[ s.dataType ] + ", */*; q=0.01" :
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s.accepts._default );
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} catch( headerError ) {}
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// Allow custom headers/mimetypes and early abort
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if ( s.beforeSend && s.beforeSend.call(s.context, xhr, s) === false ) {
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// Handle the global AJAX counter
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if ( s.global && jQuery.active-- === 1 ) {
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jQuery.event.trigger( "ajaxStop" );
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}
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// close opended socket
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xhr.abort();
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return false;
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}
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if ( s.global ) {
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jQuery.triggerGlobal( s, "ajaxSend", [xhr, s] );
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}
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// Wait for a response to come back
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var onreadystatechange = xhr.onreadystatechange = function( isTimeout ) {
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// The request was aborted
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if ( !xhr || xhr.readyState === 0 || isTimeout === "abort" ) {
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// Opera doesn't call onreadystatechange before this point
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// so we simulate the call
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if ( !requestDone ) {
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jQuery.handleComplete( s, xhr, status, data );
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}
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requestDone = true;
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if ( xhr ) {
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xhr.onreadystatechange = jQuery.noop;
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}
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// The transfer is complete and the data is available, or the request timed out
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} else if ( !requestDone && xhr && (xhr.readyState === 4 || isTimeout === "timeout") ) {
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requestDone = true;
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xhr.onreadystatechange = jQuery.noop;
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status = isTimeout === "timeout" ?
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"timeout" :
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!jQuery.httpSuccess( xhr ) ?
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"error" :
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s.ifModified && jQuery.httpNotModified( xhr, s.url ) ?
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"notmodified" :
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"success";
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var errMsg;
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if ( status === "success" ) {
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// Watch for, and catch, XML document parse errors
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try {
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// process the data (runs the xml through httpData regardless of callback)
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data = jQuery.httpData( xhr, s.dataType, s );
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} catch( parserError ) {
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status = "parsererror";
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errMsg = parserError;
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}
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}
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// Make sure that the request was successful or notmodified
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if ( status === "success" || status === "notmodified" ) {
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// JSONP handles its own success callback
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if ( !jsonp ) {
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jQuery.handleSuccess( s, xhr, status, data );
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}
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} else {
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jQuery.handleError( s, xhr, status, errMsg );
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}
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// Fire the complete handlers
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if ( !jsonp ) {
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jQuery.handleComplete( s, xhr, status, data );
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}
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if ( isTimeout === "timeout" ) {
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xhr.abort();
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}
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// Stop memory leaks
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if ( s.async ) {
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xhr = null;
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}
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}
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};
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// Override the abort handler, if we can (IE 6 doesn't allow it, but that's OK)
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// Opera doesn't fire onreadystatechange at all on abort
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try {
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var oldAbort = xhr.abort;
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xhr.abort = function() {
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// xhr.abort in IE7 is not a native JS function
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// and does not have a call property
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if ( xhr && oldAbort.call ) {
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oldAbort.call( xhr );
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}
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onreadystatechange( "abort" );
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};
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} catch( abortError ) {}
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// Timeout checker
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if ( s.async && s.timeout > 0 ) {
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setTimeout(function() {
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// Check to see if the request is still happening
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if ( xhr && !requestDone ) {
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onreadystatechange( "timeout" );
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}
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}, s.timeout);
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}
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// Send the data
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try {
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xhr.send( noContent || s.data == null ? null : s.data );
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} catch( sendError ) {
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jQuery.handleError( s, xhr, null, sendError );
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// Fire the complete handlers
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jQuery.handleComplete( s, xhr, status, data );
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}
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// firefox 1.5 doesn't fire statechange for sync requests
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if ( !s.async ) {
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onreadystatechange();
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}
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// return XMLHttpRequest to allow aborting the request etc.
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return xhr;
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},
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// Serialize an array of form elements or a set of
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// key/values into a query string
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param: function( a, traditional ) {
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var s = [], add = function( key, value ) {
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// If value is a function, invoke it and return its value
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value = jQuery.isFunction(value) ? value() : value;
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s[ s.length ] = encodeURIComponent(key) + "=" + encodeURIComponent(value);
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};
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// Set traditional to true for jQuery <= 1.3.2 behavior.
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if ( traditional === undefined ) {
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traditional = jQuery.ajaxSettings.traditional;
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}
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// If an array was passed in, assume that it is an array of form elements.
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if ( jQuery.isArray(a) || a.jquery ) {
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// Serialize the form elements
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jQuery.each( a, function() {
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add( this.name, this.value );
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});
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} else {
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// If traditional, encode the "old" way (the way 1.3.2 or older
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// did it), otherwise encode params recursively.
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for ( var prefix in a ) {
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buildParams( prefix, a[prefix], traditional, add );
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}
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}
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// Return the resulting serialization
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return s.join("&").replace(r20, "+");
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}
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});
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function buildParams( prefix, obj, traditional, add ) {
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if ( jQuery.isArray(obj) && obj.length ) {
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// Serialize array item.
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jQuery.each( obj, function( i, v ) {
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if ( traditional || rbracket.test( prefix ) ) {
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// Treat each array item as a scalar.
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add( prefix, v );
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|
} else {
|
|
// If array item is non-scalar (array or object), encode its
|
|
// numeric index to resolve deserialization ambiguity issues.
|
|
// Note that rack (as of 1.0.0) can't currently deserialize
|
|
// nested arrays properly, and attempting to do so may cause
|
|
// a server error. Possible fixes are to modify rack's
|
|
// deserialization algorithm or to provide an option or flag
|
|
// to force array serialization to be shallow.
|
|
buildParams( prefix + "[" + ( typeof v === "object" || jQuery.isArray(v) ? i : "" ) + "]", v, traditional, add );
|
|
}
|
|
});
|
|
|
|
} else if ( !traditional && obj != null && typeof obj === "object" ) {
|
|
if ( jQuery.isEmptyObject( obj ) ) {
|
|
add( prefix, "" );
|
|
|
|
// Serialize object item.
|
|
} else {
|
|
jQuery.each( obj, function( k, v ) {
|
|
buildParams( prefix + "[" + k + "]", v, traditional, add );
|
|
});
|
|
}
|
|
|
|
} else {
|
|
// Serialize scalar item.
|
|
add( prefix, obj );
|
|
}
|
|
}
|
|
|
|
// This is still on the jQuery object... for now
|
|
// Want to move this to jQuery.ajax some day
|
|
jQuery.extend({
|
|
|
|
// Counter for holding the number of active queries
|
|
active: 0,
|
|
|
|
// Last-Modified header cache for next request
|
|
lastModified: {},
|
|
etag: {},
|
|
|
|
handleError: function( s, xhr, status, e ) {
|
|
// If a local callback was specified, fire it
|
|
if ( s.error ) {
|
|
s.error.call( s.context, xhr, status, e );
|
|
}
|
|
|
|
// Fire the global callback
|
|
if ( s.global ) {
|
|
jQuery.triggerGlobal( s, "ajaxError", [xhr, s, e] );
|
|
}
|
|
},
|
|
|
|
handleSuccess: function( s, xhr, status, data ) {
|
|
// If a local callback was specified, fire it and pass it the data
|
|
if ( s.success ) {
|
|
s.success.call( s.context, data, status, xhr );
|
|
}
|
|
|
|
// Fire the global callback
|
|
if ( s.global ) {
|
|
jQuery.triggerGlobal( s, "ajaxSuccess", [xhr, s] );
|
|
}
|
|
},
|
|
|
|
handleComplete: function( s, xhr, status ) {
|
|
// Process result
|
|
if ( s.complete ) {
|
|
s.complete.call( s.context, xhr, status );
|
|
}
|
|
|
|
// The request was completed
|
|
if ( s.global ) {
|
|
jQuery.triggerGlobal( s, "ajaxComplete", [xhr, s] );
|
|
}
|
|
|
|
// Handle the global AJAX counter
|
|
if ( s.global && jQuery.active-- === 1 ) {
|
|
jQuery.event.trigger( "ajaxStop" );
|
|
}
|
|
},
|
|
|
|
triggerGlobal: function( s, type, args ) {
|
|
(s.context && s.context.url == null ? jQuery(s.context) : jQuery.event).trigger(type, args);
|
|
},
|
|
|
|
// Determines if an XMLHttpRequest was successful or not
|
|
httpSuccess: function( xhr ) {
|
|
try {
|
|
// IE error sometimes returns 1223 when it should be 204 so treat it as success, see #1450
|
|
return !xhr.status && location.protocol === "file:" ||
|
|
xhr.status >= 200 && xhr.status < 300 ||
|
|
xhr.status === 304 || xhr.status === 1223;
|
|
} catch(e) {}
|
|
|
|
return false;
|
|
},
|
|
|
|
// Determines if an XMLHttpRequest returns NotModified
|
|
httpNotModified: function( xhr, url ) {
|
|
var lastModified = xhr.getResponseHeader("Last-Modified"),
|
|
etag = xhr.getResponseHeader("Etag");
|
|
|
|
if ( lastModified ) {
|
|
jQuery.lastModified[url] = lastModified;
|
|
}
|
|
|
|
if ( etag ) {
|
|
jQuery.etag[url] = etag;
|
|
}
|
|
|
|
return xhr.status === 304;
|
|
},
|
|
|
|
httpData: function( xhr, type, s ) {
|
|
var ct = xhr.getResponseHeader("content-type") || "",
|
|
xml = type === "xml" || !type && ct.indexOf("xml") >= 0,
|
|
data = xml ? xhr.responseXML : xhr.responseText;
|
|
|
|
if ( xml && data.documentElement.nodeName === "parsererror" ) {
|
|
jQuery.error( "parsererror" );
|
|
}
|
|
|
|
// Allow a pre-filtering function to sanitize the response
|
|
// s is checked to keep backwards compatibility
|
|
if ( s && s.dataFilter ) {
|
|
data = s.dataFilter( data, type );
|
|
}
|
|
|
|
// The filter can actually parse the response
|
|
if ( typeof data === "string" ) {
|
|
// Get the JavaScript object, if JSON is used.
|
|
if ( type === "json" || !type && ct.indexOf("json") >= 0 ) {
|
|
data = jQuery.parseJSON( data );
|
|
|
|
// If the type is "script", eval it in global context
|
|
} else if ( type === "script" || !type && ct.indexOf("javascript") >= 0 ) {
|
|
jQuery.globalEval( data );
|
|
}
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
});
|
|
|
|
/*
|
|
* Create the request object; Microsoft failed to properly
|
|
* implement the XMLHttpRequest in IE7 (can't request local files),
|
|
* so we use the ActiveXObject when it is available
|
|
* Additionally XMLHttpRequest can be disabled in IE7/IE8 so
|
|
* we need a fallback.
|
|
*/
|
|
if ( window.ActiveXObject ) {
|
|
jQuery.ajaxSettings.xhr = function() {
|
|
if ( window.location.protocol !== "file:" ) {
|
|
try {
|
|
return new window.XMLHttpRequest();
|
|
} catch(xhrError) {}
|
|
}
|
|
|
|
try {
|
|
return new window.ActiveXObject("Microsoft.XMLHTTP");
|
|
} catch(activeError) {}
|
|
};
|
|
}
|
|
|
|
// Does this browser support XHR requests?
|
|
jQuery.support.ajax = !!jQuery.ajaxSettings.xhr();
|
|
|
|
})( jQuery );
|