(function( jQuery ) { var r20 = /%20/g, rbracket = /\[\]$/, rCRLF = /\r?\n/g, rhash = /#.*$/, rheaders = /^(.*?):\s*(.*?)\r?$/mg, // IE leaves an \r character at EOL rinput = /^(?:color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week)$/i, rnoContent = /^(?:GET|HEAD)$/, rprotocol = /^\/\//, rquery = /\?/, rscript = /)<[^<]*)*<\/script>/gi, rselectTextarea = /^(?:select|textarea)/i, rspacesAjax = /\s+/, rts = /([?&])_=[^&]*/, rurl = /^(\w+:)\/\/([^\/?#:]+)(?::(\d+))?/, // Keep a copy of the old load method _load = jQuery.fn.load, /* Prefilters * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) * 2) These are called: * - BEFORE asking for a transport * - AFTER param serialization (s.data is a string if s.processData is true) * 3) key is the dataType * 4) the catchall symbol "*" can be used * 5) execution will start with transport dataType and THEN continue down to "*" if needed */ prefilters = {}, /* Transports bindings * 1) key is the dataType * 2) the catchall symbol "*" can be used * 3) selection will start with transport dataType and THEN go to "*" if needed */ transports = {}; // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport function addToPrefiltersOrTransports( structure ) { // dataTypeExpression is optional and defaults to "*" return function( dataTypeExpression, func ) { if ( typeof dataTypeExpression !== "string" ) { func = dataTypeExpression; dataTypeExpression = "*"; } if ( jQuery.isFunction( func ) ) { var dataTypes = dataTypeExpression.toLowerCase().split( rspacesAjax ), i = 0, length = dataTypes.length, dataType, list, placeBefore; // For each dataType in the dataTypeExpression for(; i < length; i++ ) { dataType = dataTypes[ i ]; // We control if we're asked to add before // any existing element placeBefore = /^\+/.test( dataType ); if ( placeBefore ) { dataType = dataType.substr( 1 ) || "*"; } list = structure[ dataType ] = structure[ dataType ] || []; // then we add to the structure accordingly list[ placeBefore ? "unshift" : "push" ]( func ); } } }; } //Base inspection function for prefilters and transports function inspectPrefiltersOrTransports( structure, options, originalOptions, jXHR, dataType /* internal */, inspected /* internal */ ) { dataType = dataType || options.dataTypes[ 0 ]; inspected = inspected || {}; inspected[ dataType ] = true; var list = structure[ dataType ], i = 0, length = list ? list.length : 0, executeOnly = ( structure === prefilters ), selection; for(; i < length && ( executeOnly || !selection ); i++ ) { selection = list[ i ]( options, originalOptions, jXHR ); // If we got redirected to another dataType // we try there if not done already if ( typeof selection === "string" ) { if ( inspected[ selection ] ) { selection = undefined; } else { options.dataTypes.unshift( selection ); selection = inspectPrefiltersOrTransports( structure, options, originalOptions, jXHR, selection, inspected ); } } } // If we're only executing or nothing was selected // we try the catchall dataType if not done already if ( ( executeOnly || !selection ) && !inspected[ "*" ] ) { selection = inspectPrefiltersOrTransports( structure, options, originalOptions, jXHR, "*", inspected ); } // unnecessary when only executing (prefilters) // but it'll be ignored by the caller in that case return selection; } jQuery.fn.extend({ load: function( url, params, callback ) { if ( typeof url !== "string" && _load ) { return _load.apply( this, arguments ); // Don't do a request if no elements are being requested } else if ( !this.length ) { return this; } var off = url.indexOf( " " ); if ( off >= 0 ) { var selector = url.slice( off, url.length ); url = url.slice( 0, off ); } // Default to a GET request var type = "GET"; // If the second parameter was provided if ( params ) { // If it's a function if ( jQuery.isFunction( params ) ) { // We assume that it's the callback callback = params; params = null; // Otherwise, build a param string } else if ( typeof params === "object" ) { params = jQuery.param( params, jQuery.ajaxSettings.traditional ); type = "POST"; } } var self = this; // Request the remote document jQuery.ajax({ url: url, type: type, dataType: "html", data: params, // Complete callback (responseText is used internally) complete: function( jXHR, status, responseText ) { // Store the response as specified by the jXHR object responseText = jXHR.responseText; // If successful, inject the HTML into all the matched elements if ( jXHR.isResolved() ) { // #4825: Get the actual response in case // a dataFilter is present in ajaxSettings jXHR.done(function( r ) { responseText = r; }); // See if a selector was specified self.html( selector ? // Create a dummy div to hold the results jQuery("
") // inject the contents of the document in, removing the scripts // to avoid any 'Permission Denied' errors in IE .append(responseText.replace(rscript, "")) // Locate the specified elements .find(selector) : // If not, just inject the full result responseText ); } if ( callback ) { self.each( callback, [ responseText, status, jXHR ] ); } } }); return this; }, serialize: function() { return jQuery.param( this.serializeArray() ); }, serializeArray: function() { return this.map(function(){ return this.elements ? jQuery.makeArray( this.elements ) : this; }) .filter(function(){ return this.name && !this.disabled && ( this.checked || rselectTextarea.test( this.nodeName ) || rinput.test( this.type ) ); }) .map(function( i, elem ){ var val = jQuery( this ).val(); return val == null ? null : jQuery.isArray( val ) ? jQuery.map( val, function( val, i ){ return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; }) : { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; }).get(); } }); // Attach a bunch of functions for handling common AJAX events jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split( " " ), function( i, o ){ jQuery.fn[ o ] = function( f ){ return this.bind( o, f ); }; } ); jQuery.each( [ "get", "post" ], function( i, method ) { jQuery[ method ] = function( url, data, callback, type ) { // shift arguments if data argument was omitted if ( jQuery.isFunction( data ) ) { type = type || callback; callback = data; data = null; } return jQuery.ajax({ type: method, url: url, data: data, success: callback, dataType: type }); }; } ); jQuery.extend({ getScript: function( url, callback ) { return jQuery.get( url, null, callback, "script" ); }, getJSON: function( url, data, callback ) { return jQuery.get( url, data, callback, "json" ); }, ajaxSetup: function( settings ) { jQuery.extend( true, jQuery.ajaxSettings, settings ); if ( settings.context ) { jQuery.ajaxSettings.context = settings.context; } }, ajaxSettings: { url: location.href, global: true, type: "GET", contentType: "application/x-www-form-urlencoded", processData: true, async: true, /* timeout: 0, data: null, dataType: null, username: null, password: null, cache: null, traditional: false, headers: {}, crossDomain: null, */ accepts: { xml: "application/xml, text/xml", html: "text/html", text: "text/plain", json: "application/json, text/javascript", "*": "*/*" }, contents: { xml: /xml/, html: /html/, json: /json/ }, responseFields: { xml: "responseXML", text: "responseText" }, // List of data converters // 1) key format is "source_type destination_type" (a single space in-between) // 2) the catchall symbol "*" can be used for source_type converters: { // Convert anything to text "* text": window.String, // Text to html (true = no transformation) "text html": true, // Evaluate text as a json expression "text json": jQuery.parseJSON, // Parse text as xml "text xml": jQuery.parseXML } }, ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), ajaxTransport: addToPrefiltersOrTransports( transports ), // Main method ajax: function( url, options ) { // If options is not an object, // we simulate pre-1.5 signature if ( typeof options !== "object" ) { options = url; url = undefined; } // Force options to be an object options = options || {}; var // Create the final options object s = jQuery.extend( true, {}, jQuery.ajaxSettings, options ), // Callbacks contexts // We force the original context if it exists // or take it from jQuery.ajaxSettings otherwise // (plain objects used as context get extended) callbackContext = ( s.context = ( "context" in options ? options : jQuery.ajaxSettings ).context ) || s, globalEventContext = callbackContext === s ? jQuery.event : jQuery( callbackContext ), // Deferreds deferred = jQuery.Deferred(), completeDeferred = jQuery._Deferred(), // Status-dependent callbacks statusCode = s.statusCode || {}, // Headers (they are sent all at once) requestHeaders = {}, // Response headers responseHeadersString, responseHeaders, // transport transport, // timeout handle timeoutTimer, // Cross-domain detection vars loc = document.location, protocol = loc.protocol || "http:", parts, // The jXHR state state = 0, // Loop variable i, // Fake xhr jXHR = { readyState: 0, // Caches the header setRequestHeader: function( name, value ) { if ( state === 0 ) { requestHeaders[ name.toLowerCase() ] = value; } return this; }, // Raw string getAllResponseHeaders: function() { return state === 2 ? responseHeadersString : null; }, // Builds headers hashtable if needed getResponseHeader: function( key ) { var match; if ( state === 2 ) { if ( !responseHeaders ) { responseHeaders = {}; while( ( match = rheaders.exec( responseHeadersString ) ) ) { responseHeaders[ match[1].toLowerCase() ] = match[ 2 ]; } } match = responseHeaders[ key.toLowerCase() ]; } return match || null; }, // Cancel the request abort: function( statusText ) { statusText = statusText || "abort"; if ( transport ) { transport.abort( statusText ); } done( 0, statusText ); return this; } }; // Callback for when everything is done // It is defined here because jslint complains if it is declared // at the end of the function (which would be more logical and readable) function done( status, statusText, responses, headers) { // Called once if ( state === 2 ) { return; } // State is "done" now state = 2; // Clear timeout if it exists if ( timeoutTimer ) { clearTimeout( timeoutTimer ); } // Dereference transport for early garbage collection // (no matter how long the jXHR object will be used) transport = undefined; // Cache response headers responseHeadersString = headers || ""; // Set readyState jXHR.readyState = status ? 4 : 0; var isSuccess, success, error, response = responses ? ajaxHandleResponses( s, jXHR, responses ) : undefined, lastModified, etag; // If successful, handle type chaining if ( status >= 200 && status < 300 || status === 304 ) { // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { if ( ( lastModified = jXHR.getResponseHeader( "Last-Modified" ) ) ) { jQuery.lastModified[ s.url ] = lastModified; } if ( ( etag = jXHR.getResponseHeader( "Etag" ) ) ) { jQuery.etag[ s.url ] = etag; } } // If not modified if ( status === 304 ) { statusText = "notmodified"; isSuccess = true; // If we have data } else { try { success = ajaxConvert( s, response ); statusText = "success"; isSuccess = true; } catch(e) { // We have a parsererror statusText = "parsererror"; error = e; } } } else { // We extract error from statusText // then normalize statusText and status for non-aborts error = statusText; if( status ) { statusText = "error"; if ( status < 0 ) { status = 0; } } } // Set data for the fake xhr object jXHR.status = status; jXHR.statusText = statusText; // Success/Error if ( isSuccess ) { deferred.resolveWith( callbackContext, [ success, statusText, jXHR ] ); } else { deferred.rejectWith( callbackContext, [ jXHR, statusText, error ] ); } // Status-dependent callbacks jXHR.statusCode( statusCode ); statusCode = undefined; if ( s.global ) { globalEventContext.trigger( "ajax" + ( isSuccess ? "Success" : "Error" ), [ jXHR, s, isSuccess ? success : error ] ); } // Complete completeDeferred.resolveWith( callbackContext, [ jXHR, statusText ] ); if ( s.global ) { globalEventContext.trigger( "ajaxComplete", [ jXHR, s] ); // Handle the global AJAX counter if ( !( --jQuery.active ) ) { jQuery.event.trigger( "ajaxStop" ); } } } // Attach deferreds deferred.promise( jXHR ); jXHR.success = jXHR.done; jXHR.error = jXHR.fail; jXHR.complete = completeDeferred.done; // Status-dependent callbacks jXHR.statusCode = function( map ) { if ( map ) { var tmp; if ( state < 2 ) { for( tmp in map ) { statusCode[ tmp ] = [ statusCode[tmp], map[tmp] ]; } } else { tmp = map[ jXHR.status ]; jXHR.then( tmp, tmp ); } } return this; }; // Remove hash character (#7531: and string promotion) // Add protocol if not provided (#5866: IE7 issue with protocol-less urls) // We also use the url parameter if available s.url = ( "" + ( url || s.url ) ).replace( rhash, "" ).replace( rprotocol, protocol + "//" ); // Extract dataTypes list s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().split( rspacesAjax ); // Determine if a cross-domain request is in order if ( !s.crossDomain ) { parts = rurl.exec( s.url.toLowerCase() ); s.crossDomain = !!( parts && ( parts[ 1 ] != protocol || parts[ 2 ] != loc.hostname || ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? 80 : 443 ) ) != ( loc.port || ( protocol === "http:" ? 80 : 443 ) ) ) ); } // Convert data if not already a string if ( s.data && s.processData && typeof s.data !== "string" ) { s.data = jQuery.param( s.data, s.traditional ); } // Apply prefilters inspectPrefiltersOrTransports( prefilters, s, options, jXHR ); // Uppercase the type s.type = s.type.toUpperCase(); // Determine if request has content s.hasContent = !rnoContent.test( s.type ); // Watch for a new set of requests if ( s.global && jQuery.active++ === 0 ) { jQuery.event.trigger( "ajaxStart" ); } // More options handling for requests with no content if ( !s.hasContent ) { // If data is available, append data to url if ( s.data ) { s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.data; } // Add anti-cache in url if needed if ( s.cache === false ) { var ts = jQuery.now(), // try replacing _= if it is there 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 : "" ); } } // Set the correct header, if data is being sent if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { requestHeaders[ "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 ] ) { requestHeaders[ "if-modified-since" ] = jQuery.lastModified[ s.url ]; } if ( jQuery.etag[ s.url ] ) { requestHeaders[ "if-none-match" ] = jQuery.etag[ s.url ]; } } // Set the Accepts header for the server, depending on the dataType requestHeaders.accept = s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ? s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", */*; q=0.01" : "" ) : s.accepts[ "*" ]; // Check for headers option for ( i in s.headers ) { requestHeaders[ i.toLowerCase() ] = s.headers[ i ]; } // Allow custom headers/mimetypes and early abort if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jXHR, s ) === false || state === 2 ) ) { // Abort if not done already done( 0, "abort" ); // Return false jXHR = false; } else { // Install callbacks on deferreds for ( i in { success: 1, error: 1, complete: 1 } ) { jXHR[ i ]( s[ i ] ); } // Get transport transport = inspectPrefiltersOrTransports( transports, s, options, jXHR ); // If no transport, we auto-abort if ( !transport ) { done( -1, "No Transport" ); } else { // Set state as sending state = jXHR.readyState = 1; // Send global event if ( s.global ) { globalEventContext.trigger( "ajaxSend", [ jXHR, s ] ); } // Timeout if ( s.async && s.timeout > 0 ) { timeoutTimer = setTimeout( function(){ jXHR.abort( "timeout" ); }, s.timeout ); } try { transport.send( requestHeaders, done ); } catch (e) { // Propagate exception as error if not done if ( status < 2 ) { done( -1, e ); // Simply rethrow otherwise } else { jQuery.error( e ); } } } } return jXHR; }, // Serialize an array of form elements or a set of // key/values into a query string param: function( a, traditional ) { var s = [], add = function( key, value ) { // If value is a function, invoke it and return its value value = jQuery.isFunction( value ) ? value() : value; s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value ); }; // Set traditional to true for jQuery <= 1.3.2 behavior. if ( traditional === undefined ) { traditional = jQuery.ajaxSettings.traditional; } // If an array was passed in, assume that it is an array of form elements. if ( jQuery.isArray( a ) || a.jquery ) { // Serialize the form elements jQuery.each( a, function() { add( this.name, this.value ); } ); } else { // If traditional, encode the "old" way (the way 1.3.2 or older // did it), otherwise encode params recursively. for ( var prefix in a ) { buildParams( prefix, a[ prefix ], traditional, add ); } } // Return the resulting serialization return s.join( "&" ).replace( r20, "+" ); } }); function buildParams( prefix, obj, traditional, add ) { if ( jQuery.isArray( obj ) && obj.length ) { // Serialize array item. jQuery.each( obj, function( i, v ) { if ( traditional || rbracket.test( prefix ) ) { // Treat each array item as a scalar. add( prefix, v ); } 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 we see an array here, it is empty and should be treated as an empty // object if ( jQuery.isArray( obj ) || 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: {} }); /* Handles responses to an ajax request: * - sets all responseXXX fields accordingly * - finds the right dataType (mediates between content-type and expected dataType) * - returns the corresponding response */ function ajaxHandleResponses( s, jXHR, responses ) { var contents = s.contents, dataTypes = s.dataTypes, responseFields = s.responseFields, ct, type, finalDataType, firstDataType; // Fill responseXXX fields for( type in responseFields ) { if ( type in responses ) { jXHR[ responseFields[type] ] = responses[ type ]; } } // Remove auto dataType and get content-type in the process while( dataTypes[ 0 ] === "*" ) { dataTypes.shift(); if ( ct === undefined ) { ct = jXHR.getResponseHeader( "content-type" ); } } // Check if we're dealing with a known content-type if ( ct ) { for ( type in contents ) { if ( contents[ type ] && contents[ type ].test( ct ) ) { dataTypes.unshift( type ); break; } } } // Check to see if we have a response for the expected dataType if ( dataTypes[ 0 ] in responses ) { finalDataType = dataTypes[ 0 ]; } else { // Try convertible dataTypes for ( type in responses ) { if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) { finalDataType = type; break; } if ( !firstDataType ) { firstDataType = type; } } // Or just use first one finalDataType = finalDataType || firstDataType; } // If we found a dataType // We add the dataType to the list if needed // and return the corresponding response if ( finalDataType ) { if ( finalDataType !== dataTypes[ 0 ] ) { dataTypes.unshift( finalDataType ); } return responses[ finalDataType ]; } } // Chain conversions given the request and the original response function ajaxConvert( s, response ) { // Apply the dataFilter if provided if ( s.dataFilter ) { response = s.dataFilter( response, s.dataType ); } var dataTypes = s.dataTypes, converters = s.converters, i, length = dataTypes.length, tmp, // Current and previous dataTypes current = dataTypes[ 0 ], prev, // Conversion expression conversion, // Conversion function conv, // Conversion functions (transitive conversion) conv1, conv2; // For each dataType in the chain for( i = 1; i < length; i++ ) { // Get the dataTypes prev = current; current = dataTypes[ i ]; // If current is auto dataType, update it to prev if( current === "*" ) { current = prev; // If no auto and dataTypes are actually different } else if ( prev !== "*" && prev !== current ) { // Get the converter conversion = prev + " " + current; conv = converters[ conversion ] || converters[ "* " + current ]; // If there is no direct converter, search transitively if ( !conv ) { conv2 = undefined; for( conv1 in converters ) { tmp = conv1.split( " " ); if ( tmp[ 0 ] === prev || tmp[ 0 ] === "*" ) { conv2 = converters[ tmp[1] + " " + current ]; if ( conv2 ) { conv1 = converters[ conv1 ]; if ( conv1 === true ) { conv = conv2; } else if ( conv2 === true ) { conv = conv1; } break; } } } } // If we found no converter, dispatch an error if ( !( conv || conv2 ) ) { jQuery.error( "No conversion from " + conversion.replace(" "," to ") ); } // If found converter is not an equivalence if ( conv !== true ) { // Convert with 1 or 2 converters accordingly response = conv ? conv( response ) : conv2( conv1(response) ); } } } return response; } })( jQuery );