X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fajax.js;h=08fa08b31e55225227e69e00f88f801415f46bfb;hb=a45372a4c5cfd33c4ff12b145bd79fec2fe0d382;hp=91519d2892aa9edadf26f027c1105a422dd60e7f;hpb=ff3645ee05ca5cb416b7d3500a45a4410ce0470a;p=jquery.git diff --git a/src/ajax.js b/src/ajax.js index 91519d2..08fa08b 100644 --- a/src/ajax.js +++ b/src/ajax.js @@ -6,15 +6,15 @@ var jsc = now(), rquery = /\?/, rts = /(\?|&)_=.*?(&|$)/, rurl = /^(\w+:)?\/\/([^\/?#]+)/, - r20 = /%20/g; + r20 = /%20/g, -jQuery.fn.extend({ - // Keep a copy of the old load - _load: jQuery.fn.load, + // Keep a copy of the old load method + _load = jQuery.fn.load; +jQuery.fn.extend({ load: function( url, params, callback ) { - if ( typeof url !== "string" ) { - return this._load( url ); + 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 ) { @@ -45,18 +45,19 @@ jQuery.fn.extend({ } } + var self = this; + // Request the remote document jQuery.ajax({ url: url, type: type, dataType: "html", data: params, - context:this, complete: function( res, status ) { // If successful, inject the HTML into all the matched elements if ( status === "success" || status === "notmodified" ) { // See if a selector was specified - this.html( selector ? + self.html( selector ? // Create a dummy div to hold the results jQuery("
") // inject the contents of the document in, removing the scripts @@ -71,7 +72,7 @@ jQuery.fn.extend({ } if ( callback ) { - this.each( callback, [res.responseText, status, res] ); + self.each( callback, [res.responseText, status, res] ); } } }); @@ -178,16 +179,15 @@ jQuery.extend({ // implement the XMLHttpRequest in IE7 (can't request local files), // so we use the ActiveXObject when it is available // This function can be overriden by calling jQuery.ajaxSetup - xhr: function() { - if ( window.XMLHttpRequest && (window.location.protocol !== "file:" || !window.ActiveXObject) ) { + xhr: window.XMLHttpRequest && (window.location.protocol !== "file:" || !window.ActiveXObject) ? + function() { return new window.XMLHttpRequest(); - - } else { + } : + function() { try { return new window.ActiveXObject("Microsoft.XMLHTTP"); } catch(e) {} - } - }, + }, accepts: { xml: "application/xml, text/xml", html: "text/html", @@ -206,7 +206,7 @@ jQuery.extend({ var s = jQuery.extend(true, {}, jQuery.ajaxSettings, origSettings); var jsonp, status, data, - callbackContext = s.context || s, + callbackContext = origSettings && origSettings.context || s, type = s.type.toUpperCase(); // convert data if not already a string @@ -391,14 +391,17 @@ jQuery.extend({ // Wait for a response to come back var onreadystatechange = xhr.onreadystatechange = function( isTimeout ) { - // The request was aborted, clear the interval and decrement jQuery.active - if ( !xhr || xhr.readyState === 0 ) { - requestDone = true; - xhr.onreadystatechange = jQuery.noop; + // 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 ) { + complete(); + } - // Handle the global AJAX counter - if ( s.global && ! --jQuery.active ) { - jQuery.event.trigger( "ajaxStop" ); + requestDone = true; + if ( xhr ) { + xhr.onreadystatechange = jQuery.noop; } // The transfer is complete and the data is available, or the request timed out @@ -414,13 +417,16 @@ jQuery.extend({ "notmodified" : "success"; + var errMsg; + if ( status === "success" ) { // Watch for, and catch, XML document parse errors try { // process the data (runs the xml through httpData regardless of callback) data = jQuery.httpData( xhr, s.dataType, s ); - } catch(e) { + } catch(err) { status = "parsererror"; + errMsg = err; } } @@ -431,7 +437,7 @@ jQuery.extend({ success(); } } else { - jQuery.handleError(s, xhr, status); + jQuery.handleError(s, xhr, status, errMsg); } // Fire the complete handlers @@ -448,6 +454,19 @@ jQuery.extend({ } }; + // Override the abort handler, if we can (IE doesn't allow it, but that's OK) + // Opera doesn't fire onreadystatechange at all on abort + try { + var oldAbort = xhr.abort; + xhr.abort = function() { + if ( xhr ) { + oldAbort.call( xhr ); + } + + onreadystatechange( "abort" ); + }; + } catch(e) { } + // Timeout checker if ( s.async && s.timeout > 0 ) { setTimeout(function() { @@ -460,7 +479,7 @@ jQuery.extend({ // Send the data try { - xhr.send( type === "POST" || type === "PUT" ? s.data : null ); + xhr.send( type === "POST" || type === "PUT" || type === "DELETE" ? s.data : null ); } catch(e) { jQuery.handleError(s, xhr, null, e); // Fire the complete handlers @@ -512,7 +531,7 @@ jQuery.extend({ handleError: function( s, xhr, status, e ) { // If a local callback was specified, fire it if ( s.error ) { - s.error.call( s.context || window, xhr, status, e ); + s.error.call( s.context || s, xhr, status, e ); } // Fire the global callback @@ -555,12 +574,12 @@ jQuery.extend({ }, httpData: function( xhr, type, s ) { - var ct = xhr.getResponseHeader("content-type"), - xml = type === "xml" || !type && ct && ct.indexOf("xml") >= 0, + 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" ) { - throw "parsererror"; + jQuery.error( "parsererror" ); } // Allow a pre-filtering function to sanitize the response @@ -571,22 +590,14 @@ jQuery.extend({ // 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 - if ( type === "script" ) { + } else if ( type === "script" || !type && ct.indexOf("javascript") >= 0 ) { jQuery.globalEval( data ); } - - // Get the JavaScript object, if JSON is used. - if ( type === "json" ) { - // Try to use the native JSON parser first - try { - data = JSON.parse( data ); - - } catch(e) { - data = (new Function("return " + data))(); - } - } } return data; @@ -595,7 +606,6 @@ jQuery.extend({ // Serialize an array of form elements or a set of // key/values into a query string param: function( a, traditional ) { - var s = []; // Set traditional to true for jQuery <= 1.3.2 behavior. @@ -603,12 +613,6 @@ jQuery.extend({ traditional = jQuery.ajaxSettings.traditional; } - function add( 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); - } - // 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 @@ -619,41 +623,49 @@ jQuery.extend({ } else { // If traditional, encode the "old" way (the way 1.3.2 or older // did it), otherwise encode params recursively. - jQuery.each( a, function buildParams( prefix, obj ) { - - if ( jQuery.isArray(obj) ) { - // Serialize array item. - jQuery.each( obj, function( i, v ) { - if ( traditional ) { - // 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 ); - } - }); - - } else if ( !traditional && typeof obj === "object" ) { - // Serialize object item. - jQuery.each( obj, function( k, v ) { - buildParams( prefix + "[" + k + "]", v ); - }); - - } else { - // Serialize scalar item. - add( prefix, obj ); - } - }); + for ( var prefix in a ) { + buildParams( prefix, a[prefix] ); + } } - + // Return the resulting serialization return s.join("&").replace(r20, "+"); - } + function buildParams( prefix, obj ) { + if ( jQuery.isArray(obj) ) { + // Serialize array item. + jQuery.each( obj, function( i, v ) { + if ( traditional || /\[\]$/.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 ); + } + }); + + } else if ( !traditional && obj != null && typeof obj === "object" ) { + // Serialize object item. + jQuery.each( obj, function( k, v ) { + buildParams( prefix + "[" + k + "]", v ); + }); + + } else { + // Serialize scalar item. + add( prefix, obj ); + } + } + + function add( 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); + } + } });