X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fajax%2Fajax.js;h=13ad01d40e738619ad6d6194b573db085acbb687;hb=4bcb578c794acd913ec1f42793ce4b1a7388025c;hp=72f87f2e9b4ac23eb1b8a86739f1c26009043763;hpb=10532fb3ae4f18c77263a7cbc0840e9eb3805de4;p=jquery.git diff --git a/src/ajax/ajax.js b/src/ajax/ajax.js index 72f87f2..13ad01d 100644 --- a/src/ajax/ajax.js +++ b/src/ajax/ajax.js @@ -39,6 +39,26 @@ jQuery.fn.extend({ * start(); * }); * + * @test stop(); // check if load can be called with only url + * $('#first').load("data/name.php"); + * $.get("data/name.php", function() { + * ok( $('#first').text() == 'ERROR', 'Check if load works without callback'); + * start(); + * }); + * + * @test stop(); + * foobar = undefined; + * foo = undefined; + * var verifyEvaluation = function() { + * ok( foobar == "bar", 'Check if script src was evaluated after load' ); + * start(); + * }; + * $('#first').load('data/test.html', function() { + * ok( $('#first').html().match(/^html text/), 'Check content after loading html' ); + * ok( foo == "foo", 'Check if script was evaluated after load' ); + * setTimeout(verifyEvaluation, 600); + * }); + * * @name load * @type jQuery * @param String url The URL of the HTML file to load. @@ -77,15 +97,11 @@ jQuery.fn.extend({ if ( status == "success" || !ifModified && status == "notmodified" ) { // Inject the HTML into all the matched elements - self.html(res.responseText).each( callback, [res.responseText, status] ); - - // Execute all the scripts inside of the newly-injected HTML - $("script", self).each(function(){ - if ( this.src ) - $.getScript( this.src ); - else - eval.call( window, this.text || this.textContent || this.innerHTML || "" ); - }); + self.html(res.responseText) + // Execute all the scripts inside of the newly-injected HTML + .evalScripts() + // Execute callback + .each( callback, [res.responseText, status] ); } else callback.apply( self, [res.responseText, status] ); @@ -95,8 +111,12 @@ jQuery.fn.extend({ }, /** - * A function for serializing a set of input elements into - * a string of data. + * Serializes a set of input elements into a string of data. + * This will serialize all given elements. If you need + * serialization similar to the form submit of a browser, + * you should use the form plugin. This is also true for + * selects with multiple attribute set, only a single option + * is serialized. * * @example $("input[@type=text]").serialize(); * @before @@ -104,15 +124,26 @@ jQuery.fn.extend({ * @after name=John&location=Boston * @desc Serialize a selection of input elements to a string * - * @test var data = $(':input').serialize(); - * ok( data == 'action=Test&text2=Test&radio1=on&radio2=on&check=on&=on&hidden=&foo[bar]=&name=name&button=&=foobar&select1=&select2=3&select3=1', 'Check form serialization as query string' ); + * @test var data = $(':input').not('button').serialize(); + * // ignore button, IE takes text content as value, not relevant for this test + * ok( data == 'action=Test&text2=Test&radio1=on&radio2=on&check=on&=on&hidden=&foo[bar]=&name=name&=foobar&select1=&select2=3&select3=1', 'Check form serialization as query string' ); * * @name serialize * @type String * @cat AJAX */ serialize: function() { - return $.param( this ); + return jQuery.param( this ); + }, + + evalScripts: function() { + return this.find('script').each(function(){ + if ( this.src ) + // for some weird reason, it doesn't work if the callback is ommited + jQuery.getScript( this.src, function() {} ); + else + eval.call( window, this.text || this.textContent || this.innerHTML || "" ); + }).end(); } }); @@ -198,6 +229,51 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" ) * @param Function callback The function to execute. * @cat AJAX */ + +/** + * @test stop(); var counter = { complete: 0, success: 0, error: 0 }; + * var success = function() { counter.success++ }; + * var error = function() { counter.error++ }; + * var complete = function() { counter.complete++ }; + * $('#foo').ajaxStart(complete).ajaxStop(complete).ajaxComplete(complete).ajaxError(error).ajaxSuccess(success); + * // start with successful test + * $.ajax({url: "data/name.php", success: success, error: error, complete: function() { + * ok( counter.error == 0, 'Check succesful request' ); + * ok( counter.success == 2, 'Check succesful request' ); + * ok( counter.complete == 3, 'Check succesful request' ); + * counter.error = 0; counter.success = 0; counter.complete = 0; + * $.ajaxTimeout(500); + * $.ajax({url: "data/name.php?wait=5", success: success, error: error, complete: function() { + * ok( counter.error == 2, 'Check failed request' ); + * ok( counter.success == 0, 'Check failed request' ); + * ok( counter.complete == 3, 'Check failed request' ); + * start(); + * }}); + * }}); + + * @test stop(); var counter = { complete: 0, success: 0, error: 0 }; + * counter.error = 0; counter.success = 0; counter.complete = 0; + * var success = function() { counter.success++ }; + * var error = function() { counter.error++ }; + * $.ajaxTimeout(0); + * $.ajax({url: "data/name.php", global: false, success: success, error: error, complete: function() { + * ok( counter.error == 0, 'Check sucesful request without globals' ); + * ok( counter.success == 1, 'Check sucesful request without globals' ); + * ok( counter.complete == 0, 'Check sucesful request without globals' ); + * counter.error = 0; counter.success = 0; counter.complete = 0; + * $.ajaxTimeout(500); + * $.ajax({url: "data/name.php?wait=5", global: false, success: success, error: error, complete: function() { + * ok( counter.error == 1, 'Check failed request without globals' ); + * ok( counter.success == 0, 'Check failed request without globals' ); + * ok( counter.complete == 0, 'Check failed request without globals' ); + * start(); + * }}); + * }}); + * + * @name ajaxHandlersTesting + * @private + */ + new function(){ var e = "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess".split(","); @@ -232,18 +308,16 @@ jQuery.extend({ * ) * * @test stop(); - * $.get("data/dashboard.xml", function(xml) { - * var content = []; - * $('tab', xml).each(function(k) { - * // workaround for IE needed here, $(this).text() throws an error - * // content[k] = $.trim(this.firstChild.data) || $(this).text(); - * content[k] = $(this).text(); - * }); - * ok( content[0] && content[0].match(/blabla/), 'Check first tab' ); - * ok( content[1] && content[1].match(/blublu/), 'Check second tab' ); - * start(); + * $.get('data/dashboard.xml', function(xml) { + * var content = []; + * $('tab', xml).each(function() { + * content.push($(this).text()); + * }); + * ok( content[0] == 'blabla', 'Check first tab'); + * ok( content[1] == 'blublu', 'Check second tab'); + * start(); * }); - * + * * @name $.get * @type jQuery * @param String url The URL of the page to load. @@ -252,13 +326,14 @@ jQuery.extend({ * @cat AJAX */ get: function( url, data, callback, type, ifModified ) { - if ( data.constructor == Function ) { + if ( data && data.constructor == Function ) { type = callback; callback = data; data = null; } - if ( data ) url += "?" + jQuery.param(data); + // append ? + data or & + data, in case there are already params + if ( data ) url += ((url.indexOf("?") > -1) ? "&" : "?") + jQuery.param(data); // Build and start the HTTP Request jQuery.ajax( "GET", url, null, function(r, status) { @@ -286,6 +361,12 @@ jQuery.extend({ * } * ) * + * @test stop(); + * $.getIfModified("data/name.php", function(msg) { + * ok( msg == 'ERROR', 'Check ifModified' ); + * start(); + * }); + * * @name $.getIfModified * @type jQuery * @param String url The URL of the page to load. @@ -313,6 +394,10 @@ jQuery.extend({ * start(); * }); * + * @test + * $.getScript("data/test.js"); + * ok( true, "Check with single argument, can't verify" ); + * * @name $.getScript * @type jQuery * @param String url The URL of the page to load. @@ -320,7 +405,11 @@ jQuery.extend({ * @cat AJAX */ getScript: function( url, callback ) { - jQuery.get(url, callback, "script"); + if(callback) + jQuery.get(url, null, callback, "script"); + else { + jQuery.get(url, null, null, "script"); + } }, /** @@ -430,11 +519,11 @@ jQuery.extend({ * if(passed == 2) { * ok( true, 'Check local and global callbacks after timeout' ); * clearTimeout(timeout); + * $('#main').unbind("ajaxError"); * start(); * } * }; - * var fail = function(ba) { - * console.debug(ba); + * var fail = function() { * ok( false, 'Check for timeout failed' ); * start(); * }; @@ -447,6 +536,24 @@ jQuery.extend({ * success: fail * }); * + * @test stop(); $.ajaxTimeout(50); + * $.ajax({ + * type: "GET", + * timeout: 5000, + * url: "data/name.php?wait=1", + * error: function() { + * ok( false, 'Check for local timeout failed' ); + * start(); + * }, + * success: function() { + * ok( true, 'Check for local timeout' ); + * start(); + * } + * }); + * // reset timeout + * $.ajaxTimeout(0); + * + * * @name $.ajaxTimeout * @type jQuery * @param Number time How long before an AJAX request times out. @@ -475,6 +582,18 @@ jQuery.extend({ * (String) dataType - The type of data that you're expecting back from * the server (e.g. "xml", "html", "script", or "json"). * + * (Boolean) ifModified - Allow the request to be successful only if the + * response has changed since the last request, default is false, ignoring + * the Last-Modified header + * + * (Number) timeout - Local timeout to override global timeout, eg. to give a + * single request a longer timeout while all others timeout after 1 seconds, + * see $.ajaxTimeout + * + * (Boolean) global - Wheather to trigger global AJAX event handlers for + * this request, default is true. Set to true to prevent that global handlers + * like ajaxStart or ajaxStop are triggered. + * * (Function) error - A function to be called if the request fails. The * function gets passed two arguments: The XMLHttpRequest object and a * string describing the type of error that occurred. @@ -525,6 +644,33 @@ jQuery.extend({ * } * }); * + * @test stop(); + * foobar = undefined; + * foo = undefined; + * var verifyEvaluation = function() { + * ok( foobar == "bar", 'Check if script src was evaluated for datatype html' ); + * start(); + * }; + * $.ajax({ + * dataType: "html", + * url: "data/test.html", + * success: function(data) { + * ok( data.match(/^html text/), 'Check content for datatype html' ); + * ok( foo == "foo", 'Check if script was evaluated for datatype html' ); + * setTimeout(verifyEvaluation, 600); + * } + * }); + * + * @test stop(); + * $.ajax({ + * url: "data/with_fries.xml", dataType: "xml", type: "GET", data: "", success: function(resp) { + * ok( $("properties", resp).length == 1, 'properties in responseXML' ); + * ok( $("jsconf", resp).length == 1, 'jsconf in responseXML' ); + * ok( $("thing", resp).length == 2, 'things in responseXML' ); + * start(); + * } + * }); + * * @name $.ajax * @type jQuery * @param Hash prop A set of properties to initialize the request with. @@ -533,18 +679,23 @@ jQuery.extend({ ajax: function( type, url, data, ret, ifModified ) { // If only a single argument was passed in, // assume that it is a object of key/value pairs + var global = true; + var timeout = jQuery.timeout; if ( !url ) { ret = type.complete; var success = type.success; var error = type.error; var dataType = type.dataType; + var global = typeof type.global == "boolean" ? type.global : true; + var timeout = typeof type.timeout == "number" ? type.timeout : jQuery.timeout; + ifModified = type.ifModified || false; data = type.data; url = type.url; type = type.type; } // Watch for a new set of requests - if ( ! jQuery.active++ ) + if ( global && ! jQuery.active++ ) jQuery.event.trigger( "ajaxStart" ); var requestDone = false; @@ -583,15 +734,21 @@ jQuery.extend({ // Make sure that the request was successful or notmodified if ( status != "error" ) { // Cache Last-Modified header, if ifModified mode. - var modRes = xml.getResponseHeader("Last-Modified"); - if ( ifModified && modRes ) jQuery.lastModified[url] = modRes; + var modRes; + try { + modRes = xml.getResponseHeader("Last-Modified"); + } catch(e) {} // swallow exception thrown by FF if header is not available + + if ( ifModified && modRes ) + jQuery.lastModified[url] = modRes; // If a local callback was specified, fire it if ( success ) success( jQuery.httpData( xml, dataType ), status ); // Fire the global callback - jQuery.event.trigger( "ajaxSuccess" ); + if( global ) + jQuery.event.trigger( "ajaxSuccess" ); // Otherwise, the request was not successful } else { @@ -599,14 +756,16 @@ jQuery.extend({ if ( error ) error( xml, status ); // Fire the global callback - jQuery.event.trigger( "ajaxError" ); + if( global ) + jQuery.event.trigger( "ajaxError" ); } // The request was completed - jQuery.event.trigger( "ajaxComplete" ); + if( global ) + jQuery.event.trigger( "ajaxComplete" ); // Handle the global AJAX counter - if ( ! --jQuery.active ) + if ( global && ! --jQuery.active ) jQuery.event.trigger( "ajaxStop" ); // Process result @@ -621,7 +780,7 @@ jQuery.extend({ xml.onreadystatechange = onreadystatechange; // Timeout checker - if(jQuery.timeout > 0) + if(timeout > 0) setTimeout(function(){ // Check to see if the request is still happening if (xml) { @@ -633,7 +792,7 @@ jQuery.extend({ // Clear from memory xml = null; } - }, jQuery.timeout); + }, timeout); // Send the data xml.send(data); @@ -682,6 +841,9 @@ jQuery.extend({ // Get the JavaScript object, if JSON is used. if ( type == "json" ) eval( "data = " + data ); + + // evaluate scripts within html + if ( type == "html" ) $("
").html(data).evalScripts(); return data; },