- _default: "*/*"
- }
- },
-
- ajax: function( origSettings ) {
- var s = jQuery.extend(true, {}, jQuery.ajaxSettings, origSettings),
- jsonp, status, data, type = s.type.toUpperCase(), noContent = rnoContent.test(type);
-
- s.url = s.url.replace( rhash, "" );
-
- // Use original (not extended) context object if it was provided
- s.context = origSettings && origSettings.context != null ? origSettings.context : s;
-
- // convert data if not already a string
- if ( s.data && s.processData && typeof s.data !== "string" ) {
- s.data = jQuery.param( s.data, s.traditional );
- }
-
- // Handle JSONP Parameter Callbacks
- if ( s.dataType === "jsonp" ) {
- if ( type === "GET" ) {
- if ( !jsre.test( s.url ) ) {
- s.url += (rquery.test( s.url ) ? "&" : "?") + (s.jsonp || "callback") + "=?";
- }
- } else if ( !s.data || !jsre.test(s.data) ) {
- s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?";
- }
- s.dataType = "json";
- }
-
- // Build temporary JSONP function
- if ( s.dataType === "json" && (s.data && jsre.test(s.data) || jsre.test(s.url)) ) {
- jsonp = s.jsonpCallback || ("jsonp" + jsc++);
-
- // Replace the =? sequence both in the query string and the data
- if ( s.data ) {
- s.data = (s.data + "").replace(jsre, "=" + jsonp + "$1");
- }
-
- s.url = s.url.replace(jsre, "=" + jsonp + "$1");
-
- // We need to make sure
- // that a JSONP style response is executed properly
- s.dataType = "script";
-
- // Handle JSONP-style loading
- var customJsonp = window[ jsonp ];
-
- window[ jsonp ] = function( tmp ) {
- if ( jQuery.isFunction( customJsonp ) ) {
- customJsonp( tmp );
-
- } else {
- // Garbage collect
- window[ jsonp ] = undefined;
-
- try {
- delete window[ jsonp ];
- } catch( jsonpError ) {}
- }
-
- data = tmp;
- jQuery.handleSuccess( s, xhr, status, data );
- jQuery.handleComplete( s, xhr, status, data );
-
- if ( head ) {
- head.removeChild( script );
- }
- };
- }
-
- if ( s.dataType === "script" && s.cache === null ) {
- s.cache = false;
- }
-
- if ( s.cache === false && type === "GET" ) {
- var ts = jQuery.now();
-
- // try replacing _= if it is there
- var ret = s.url.replace(rts, "$1_=" + ts);
-
- // if nothing was replaced, add timestamp to the end
- s.url = ret + ((ret === s.url) ? (rquery.test(s.url) ? "&" : "?") + "_=" + ts : "");
- }
-
- // If data is available, append data to url for get requests
- if ( s.data && type === "GET" ) {
- s.url += (rquery.test(s.url) ? "&" : "?") + s.data;
- }
-
- // Watch for a new set of requests
- if ( s.global && jQuery.active++ === 0 ) {
- jQuery.event.trigger( "ajaxStart" );
- }
-
- // Matches an absolute URL, and saves the domain
- var parts = rurl.exec( s.url ),
- remote = parts && (parts[1] && parts[1].toLowerCase() !== location.protocol || parts[2].toLowerCase() !== location.host);
-
- // If we're requesting a remote document
- // and trying to load JSON or Script with a GET
- if ( s.dataType === "script" && type === "GET" && remote ) {
- var head = document.getElementsByTagName("head")[0] || document.documentElement;
- var script = document.createElement("script");
- if ( s.scriptCharset ) {
- script.charset = s.scriptCharset;
- }
- script.src = s.url;
-
- // Handle Script loading
- if ( !jsonp ) {
- var done = false;
-
- // Attach handlers for all browsers
- script.onload = script.onreadystatechange = function() {
- if ( !done && (!this.readyState ||
- this.readyState === "loaded" || this.readyState === "complete") ) {
- done = true;
- jQuery.handleSuccess( s, xhr, status, data );
- jQuery.handleComplete( s, xhr, status, data );
-
- // Handle memory leak in IE
- script.onload = script.onreadystatechange = null;
- if ( head && script.parentNode ) {
- head.removeChild( script );
- }
- }
- };
- }
-
- // Use insertBefore instead of appendChild to circumvent an IE6 bug.
- // This arises when a base node is used (#2709 and #4378).
- head.insertBefore( script, head.firstChild );
-
- // We handle everything using the script element injection
- return undefined;
- }
-
- var requestDone = false;
-
- // Create the request object
- var xhr = s.xhr();
-
- if ( !xhr ) {
- return;
- }
-
- // Open the socket
- // Passing null username, generates a login popup on Opera (#2865)
- if ( s.username ) {
- xhr.open(type, s.url, s.async, s.username, s.password);
- } else {
- xhr.open(type, s.url, s.async);
- }
-
- // Need an extra try/catch for cross domain requests in Firefox 3
- try {
- // Set content-type if data specified and content-body is valid for this type
- if ( (s.data != null && !noContent) || (origSettings && origSettings.contentType) ) {
- xhr.setRequestHeader("Content-Type", s.contentType);
- }
-
- // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
- if ( s.ifModified ) {
- if ( jQuery.lastModified[s.url] ) {
- xhr.setRequestHeader("If-Modified-Since", jQuery.lastModified[s.url]);
- }
-
- if ( jQuery.etag[s.url] ) {
- xhr.setRequestHeader("If-None-Match", jQuery.etag[s.url]);
- }
- }
-
- // Set header so the called script knows that it's an XMLHttpRequest
- // Only send the header if it's not a remote XHR
- if ( !remote ) {
- xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
- }
-
- // Set the Accepts header for the server, depending on the dataType
- xhr.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ?
- s.accepts[ s.dataType ] + ", */*; q=0.01" :
- s.accepts._default );
- } catch( headerError ) {}
-
- // Allow custom headers/mimetypes and early abort
- if ( s.beforeSend && s.beforeSend.call(s.context, xhr, s) === false ) {
- // Handle the global AJAX counter
- if ( s.global && jQuery.active-- === 1 ) {
- jQuery.event.trigger( "ajaxStop" );
- }
-
- // close opended socket
- xhr.abort();
- return false;
- }
-
- if ( s.global ) {
- jQuery.triggerGlobal( s, "ajaxSend", [xhr, s] );
- }
-
- // Wait for a response to come back
- var onreadystatechange = xhr.onreadystatechange = function( isTimeout ) {
- // The request was aborted
- if ( !xhr || xhr.readyState === 0 || isTimeout === "abort" ) {
- // Opera doesn't call onreadystatechange before this point
- // so we simulate the call
- if ( !requestDone ) {
- jQuery.handleComplete( s, xhr, status, data );
- }