X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;ds=inline;f=src%2Fajax%2Fajax.js;h=9c94e13d38f8c6e0f9c2c8da7aacd6e65100a248;hb=a87ecc44b6b4374ad2ebe10e033d45daab9e1369;hp=2c86812b34b48076c0ba423d68c586935d95f6b0;hpb=2abdbd4e30f28347840a1861968b2f8a73d8883a;p=jquery.git
diff --git a/src/ajax/ajax.js b/src/ajax/ajax.js
index 2c86812..9c94e13 100644
--- a/src/ajax/ajax.js
+++ b/src/ajax/ajax.js
@@ -11,9 +11,9 @@ jQuery.fn.extend({
* @name loadIfModified
* @type jQuery
* @param String url The URL of the HTML file to load.
- * @param Hash params (optional) A set of key/value pairs that will be sent to the server.
+ * @param Map params (optional) Key/value pairs that will be sent to the server.
* @param Function callback (optional) A function to be executed whenever the data is loaded (parameters: responseText, status and response itself).
- * @cat AJAX
+ * @cat Ajax
*/
loadIfModified: function( url, params, callback ) {
this.load( url, params, callback, 1 );
@@ -22,6 +22,9 @@ jQuery.fn.extend({
/**
* Load HTML from a remote file and inject it into the DOM.
*
+ * Note: Avoid to use this to load scripts, instead use $.getScript.
+ * IE strips script tags when there aren't any other characters in front of it.
+ *
* @example $("#feeds").load("feeds.html");
* @before
* @result 45 feeds found.
@@ -38,10 +41,10 @@ jQuery.fn.extend({
* @param String url The URL of the HTML file to load.
* @param Object params (optional) A set of key/value pairs that will be sent as data to the server.
* @param Function callback (optional) A function to be executed whenever the data is loaded (parameters: responseText, status and response itself).
- * @cat AJAX
+ * @cat Ajax
*/
load: function( url, params, callback, ifModified ) {
- if ( url.constructor == Function )
+ if ( jQuery.isFunction( url ) )
return this.bind("load", url);
callback = callback || function(){};
@@ -50,9 +53,9 @@ jQuery.fn.extend({
var type = "GET";
// If the second parameter was provided
- if ( params ) {
+ if ( params )
// If it's a function
- if ( params.constructor == Function ) {
+ if ( jQuery.isFunction( params ) ) {
// We assume that it's the callback
callback = params;
params = null;
@@ -62,7 +65,6 @@ jQuery.fn.extend({
params = jQuery.param( params );
type = "POST";
}
- }
var self = this;
@@ -73,14 +75,14 @@ jQuery.fn.extend({
data: params,
ifModified: ifModified,
complete: function(res, status){
- if ( status == "success" || !ifModified && status == "notmodified" ) {
+ if ( status == "success" || !ifModified && status == "notmodified" )
// Inject the HTML into all the matched elements
- self.html(res.responseText)
+ self.attr("innerHTML", res.responseText)
// Execute all the scripts inside of the newly-injected HTML
.evalScripts()
// Execute callback
.each( callback, [res.responseText, status, res] );
- } else
+ else
callback.apply( self, [res.responseText, status, res] );
}
});
@@ -103,7 +105,7 @@ jQuery.fn.extend({
*
* @name serialize
* @type String
- * @cat AJAX
+ * @cat Ajax
*/
serialize: function() {
return jQuery.param( this );
@@ -116,22 +118,21 @@ jQuery.fn.extend({
* @name evalScripts
* @type jQuery
* @private
- * @cat AJAX
+ * @cat Ajax
*/
evalScripts: function() {
- return this.find('script').each(function(){
+ return this.find("script").each(function(){
if ( this.src )
jQuery.getScript( this.src );
- else {
+ else
jQuery.globalEval( this.text || this.textContent || this.innerHTML || "" );
- }
}).end();
}
});
// If IE is used, create a wrapper for the XMLHttpRequest object
-if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
+if ( !window.XMLHttpRequest )
XMLHttpRequest = function(){
return new ActiveXObject("Microsoft.XMLHTTP");
};
@@ -151,7 +152,7 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* @name ajaxStart
* @type jQuery
* @param Function callback The function to execute.
- * @cat AJAX
+ * @cat Ajax
*/
/**
@@ -165,7 +166,7 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* @name ajaxStop
* @type jQuery
* @param Function callback The function to execute.
- * @cat AJAX
+ * @cat Ajax
*/
/**
@@ -182,7 +183,7 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* @name ajaxComplete
* @type jQuery
* @param Function callback The function to execute.
- * @cat AJAX
+ * @cat Ajax
*/
/**
@@ -200,14 +201,15 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* @name ajaxSuccess
* @type jQuery
* @param Function callback The function to execute.
- * @cat AJAX
+ * @cat Ajax
*/
/**
* Attach a function to be executed whenever an AJAX request fails.
*
* The XMLHttpRequest and settings used for that request are passed
- * as arguments to the callback.
+ * as arguments to the callback. A third argument, an exception object,
+ * is passed if an exception occured while processing the request.
*
* @example $("#msg").ajaxError(function(request, settings){
* $(this).append("Error requesting page " + settings.url + "");
@@ -217,11 +219,11 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* @name ajaxError
* @type jQuery
* @param Function callback The function to execute.
- * @cat AJAX
+ * @cat Ajax
*/
/**
- * Attach a function to be executed before an AJAX request is send.
+ * Attach a function to be executed before an AJAX request is sent.
*
* The XMLHttpRequest and settings used for that request are passed
* as arguments to the callback.
@@ -229,24 +231,18 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
* @example $("#msg").ajaxSend(function(request, settings){
* $(this).append("Starting request at " + settings.url + "");
* });
- * @desc Show a message before an AJAX request is send.
+ * @desc Show a message before an AJAX request is sent.
*
* @name ajaxSend
* @type jQuery
* @param Function callback The function to execute.
- * @cat AJAX
+ * @cat Ajax
*/
-
-new function(){
- var e = "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split(",");
-
- for ( var i = 0; i < e.length; i++ ) new function(){
- var o = e[i];
- jQuery.fn[o] = function(f){
- return this.bind(o, f);
- };
+jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split(","), function(i,o){
+ jQuery.fn[o] = function(f){
+ return this.bind(o, f);
};
-};
+});
jQuery.extend({
@@ -271,16 +267,17 @@ jQuery.extend({
* @name $.get
* @type XMLHttpRequest
* @param String url The URL of the page to load.
- * @param Hash params (optional) A set of key/value pairs that will be sent to the server.
+ * @param Map params (optional) Key/value pairs that will be sent to the server.
* @param Function callback (optional) A function to be executed whenever the data is loaded.
- * @cat AJAX
+ * @cat Ajax
*/
get: function( url, data, callback, type, ifModified ) {
// shift arguments if data argument was ommited
- if ( data && data.constructor == Function ) {
+ if ( jQuery.isFunction( data ) ) {
callback = data;
data = null;
}
+
return jQuery.ajax({
url: url,
data: data,
@@ -312,9 +309,9 @@ jQuery.extend({
* @name $.getIfModified
* @type XMLHttpRequest
* @param String url The URL of the page to load.
- * @param Hash params (optional) A set of key/value pairs that will be sent to the server.
+ * @param Map params (optional) Key/value pairs that will be sent to the server.
* @param Function callback (optional) A function to be executed whenever the data is loaded.
- * @cat AJAX
+ * @cat Ajax
*/
getIfModified: function( url, data, callback, type ) {
return jQuery.get(url, data, callback, type, 1);
@@ -337,7 +334,7 @@ jQuery.extend({
* @type XMLHttpRequest
* @param String url The URL of the page to load.
* @param Function callback (optional) A function to be executed whenever the data is loaded.
- * @cat AJAX
+ * @cat Ajax
*/
getScript: function( url, callback ) {
return jQuery.get(url, null, callback, "script");
@@ -360,9 +357,9 @@ jQuery.extend({
* @name $.getJSON
* @type XMLHttpRequest
* @param String url The URL of the page to load.
- * @param Hash params (optional) A set of key/value pairs that will be sent to the server.
+ * @param Map params (optional) Key/value pairs that will be sent to the server.
* @param Function callback A function to be executed whenever the data is loaded.
- * @cat AJAX
+ * @cat Ajax
*/
getJSON: function( url, data, callback ) {
return jQuery.get(url, data, callback, "json");
@@ -389,9 +386,9 @@ jQuery.extend({
* @name $.post
* @type XMLHttpRequest
* @param String url The URL of the page to load.
- * @param Hash params (optional) A set of key/value pairs that will be sent to the server.
+ * @param Map params (optional) Key/value pairs that will be sent to the server.
* @param Function callback (optional) A function to be executed whenever the data is loaded.
- * @cat AJAX
+ * @cat Ajax
*/
post: function( url, data, callback, type ) {
return jQuery.ajax({
@@ -404,7 +401,7 @@ jQuery.extend({
},
// timeout (ms)
- timeout: 0,
+ //timeout: 0,
/**
* Set the timeout of all AJAX requests to a specific amount of time.
@@ -416,18 +413,54 @@ jQuery.extend({
* You can manually abort requests with the XMLHttpRequest's (returned by
* all ajax functions) abort() method.
*
+ * Deprecated. Use $.ajaxSetup instead.
+ *
* @example $.ajaxTimeout( 5000 );
* @desc Make all AJAX requests timeout after 5 seconds.
*
* @name $.ajaxTimeout
* @type undefined
* @param Number time How long before an AJAX request times out.
- * @cat AJAX
+ * @cat Ajax
*/
- ajaxTimeout: function(timeout) {
- jQuery.timeout = timeout;
+ ajaxTimeout: function( timeout ) {
+ jQuery.ajaxSettings.timeout = timeout;
+ },
+
+ /**
+ * Setup global settings for AJAX requests.
+ *
+ * See $.ajax for a description of all available options.
+ *
+ * @example $.ajaxSetup( {
+ * url: "/xmlhttp/",
+ * global: false,
+ * type: "POST"
+ * } );
+ * $.ajax({ data: myData });
+ * @desc Sets the defaults for AJAX requests to the url "/xmlhttp/",
+ * disables global handlers and uses POST instead of GET. The following
+ * AJAX requests then sends some data without having to set anything else.
+ *
+ * @name $.ajaxSetup
+ * @type undefined
+ * @param Map settings Key/value pairs to use for all AJAX requests
+ * @cat Ajax
+ */
+ ajaxSetup: function( settings ) {
+ jQuery.extend( jQuery.ajaxSettings, settings );
},
+ ajaxSettings: {
+ global: true,
+ type: "GET",
+ timeout: 0,
+ contentType: "application/x-www-form-urlencoded",
+ processData: true,
+ async: true,
+ data: null
+ },
+
// Last-Modified header cache for next request
lastModified: {},
@@ -472,7 +505,7 @@ jQuery.extend({
* Last-Modified header. Default value is false, ignoring the 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.
+ * single request a longer timeout while all others timeout after 1 second.
* See $.ajaxTimeout() for global timeouts.
*
* (Boolean) global - Whether to trigger global AJAX event handlers for
@@ -480,8 +513,9 @@ jQuery.extend({
* 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.
+ * function gets passed tree arguments: The XMLHttpRequest object, a
+ * string describing the type of error that occurred and an optional
+ * exception object, if one occured.
*
* (Function) success - A function to be called if the request succeeds. The
* function gets passed one argument: The data returned from the server,
@@ -503,7 +537,7 @@ jQuery.extend({
* the default content-type "application/x-www-form-urlencoded". If you want to send
* DOMDocuments, set this option to false.
*
- * (Boolean) async - By default, all requests are send asynchronous (set to true).
+ * (Boolean) async - By default, all requests are sent asynchronous (set to true).
* If you need synchronous requests, set this option to false.
*
* (Function) beforeSend - A pre-callback to set custom headers etc., the
@@ -546,32 +580,18 @@ jQuery.extend({
*
* @name $.ajax
* @type XMLHttpRequest
- * @param Hash prop A set of properties to initialize the request with.
- * @cat AJAX
+ * @param Map properties Key/value pairs to initialize the request with.
+ * @cat Ajax
+ * @see ajaxSetup(Map)
*/
ajax: function( s ) {
// TODO introduce global settings, allowing the client to modify them for all requests, not only timeout
- s = jQuery.extend({
- global: true,
- ifModified: false,
- type: "GET",
- timeout: jQuery.timeout,
- complete: null,
- success: null,
- error: null,
- dataType: null,
- url: null,
- data: null,
- contentType: "application/x-www-form-urlencoded",
- processData: true,
- async: true,
- beforeSend: null
- }, s);
+ s = jQuery.extend({}, jQuery.ajaxSettings, s);
// if data available
if ( s.data ) {
// convert data if not already a string
- if (s.processData && typeof s.data != 'string')
+ if (s.processData && typeof s.data != "string")
s.data = jQuery.param(s.data);
// append data to url for get requests
if( s.type.toLowerCase() == "get" )
@@ -610,7 +630,8 @@ jQuery.extend({
// Allow custom headers/mimetypes
if( s.beforeSend )
s.beforeSend(xml);
- if (s.global)
+
+ if ( s.global )
jQuery.event.trigger("ajaxSend", [xml, s]);
// Wait for a response to come back
@@ -618,40 +639,36 @@ jQuery.extend({
// The transfer is complete and the data is available, or the request timed out
if ( xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
requestDone = true;
-
- var status = jQuery.httpSuccess( xml ) && isTimeout != "timeout" ?
- s.ifModified && jQuery.httpNotModified( xml, s.url ) ? "notmodified" : "success" : "error";
-
- // Make sure that the request was successful or notmodified
- if ( status != "error" ) {
- // Cache Last-Modified header, if ifModified mode.
- var modRes;
- try {
- modRes = xml.getResponseHeader("Last-Modified");
- } catch(e) {} // swallow exception thrown by FF if header is not available
-
- if ( s.ifModified && modRes )
- jQuery.lastModified[s.url] = modRes;
-
- // process the data (runs the xml through httpData regardless of callback)
- var data = jQuery.httpData( xml, s.dataType );
-
- // If a local callback was specified, fire it and pass it the data
- if ( s.success )
- s.success( data, status );
-
- // Fire the global callback
- if( s.global )
- jQuery.event.trigger( "ajaxSuccess", [xml, s] );
-
- // Otherwise, the request was not successful
- } else {
- // If a local callback was specified, fire it
- if ( s.error ) s.error( xml, status );
-
- // Fire the global callback
- if( s.global )
- jQuery.event.trigger( "ajaxError", [xml, s] );
+ var status;
+ try {
+ status = jQuery.httpSuccess( xml ) && isTimeout != "timeout" ?
+ s.ifModified && jQuery.httpNotModified( xml, s.url ) ? "notmodified" : "success" : "error";
+ // Make sure that the request was successful or notmodified
+ if ( status != "error" ) {
+ // Cache Last-Modified header, if ifModified mode.
+ var modRes;
+ try {
+ modRes = xml.getResponseHeader("Last-Modified");
+ } catch(e) {} // swallow exception thrown by FF if header is not available
+
+ if ( s.ifModified && modRes )
+ jQuery.lastModified[s.url] = modRes;
+
+ // process the data (runs the xml through httpData regardless of callback)
+ var data = jQuery.httpData( xml, s.dataType );
+
+ // If a local callback was specified, fire it and pass it the data
+ if ( s.success )
+ s.success( data, status );
+
+ // Fire the global callback
+ if( s.global )
+ jQuery.event.trigger( "ajaxSuccess", [xml, s] );
+ } else
+ jQuery.handleError(s, xml, status);
+ } catch(e) {
+ status = "error";
+ jQuery.handleError(s, xml, status, e);
}
// The request was completed
@@ -663,7 +680,8 @@ jQuery.extend({
jQuery.event.trigger( "ajaxStop" );
// Process result
- if ( s.complete ) s.complete(xml, status);
+ if ( s.complete )
+ s.complete(xml, status);
// Stop memory leaks
xml.onreadystatechange = function(){};
@@ -673,17 +691,15 @@ jQuery.extend({
xml.onreadystatechange = onreadystatechange;
// Timeout checker
- if(s.timeout > 0)
+ if ( s.timeout > 0 )
setTimeout(function(){
// Check to see if the request is still happening
- if (xml) {
+ if ( xml ) {
// Cancel the request
xml.abort();
- if ( !requestDone ) onreadystatechange( "timeout" );
-
- // Clear from memory
- xml = null;
+ if( !requestDone )
+ onreadystatechange( "timeout" );
}
}, s.timeout);
@@ -691,17 +707,34 @@ jQuery.extend({
var xml2 = xml;
// Send the data
- xml2.send(s.data);
+ try {
+ xml2.send(s.data);
+ } catch(e) {
+ jQuery.handleError(s, xml, null, e);
+ }
+
+ // firefox 1.5 doesn't fire statechange for sync requests
+ if ( !s.async )
+ onreadystatechange();
// return XMLHttpRequest to allow aborting the request etc.
return xml2;
},
+ handleError: function( s, xml, status, e ) {
+ // If a local callback was specified, fire it
+ if ( s.error ) s.error( xml, status, e );
+
+ // Fire the global callback
+ if ( s.global )
+ jQuery.event.trigger( "ajaxError", [xml, s, e] );
+ },
+
// Counter for holding the number of active queries
active: 0,
// Determines if an XMLHttpRequest was successful or not
- httpSuccess: function(r) {
+ httpSuccess: function( r ) {
try {
return !r.status && location.protocol == "file:" ||
( r.status >= 200 && r.status < 300 ) || r.status == 304 ||
@@ -711,7 +744,7 @@ jQuery.extend({
},
// Determines if an XMLHttpRequest returns NotModified
- httpNotModified: function(xml, url) {
+ httpNotModified: function( xml, url ) {
try {
var xmlRes = xml.getResponseHeader("Last-Modified");
@@ -728,51 +761,50 @@ jQuery.extend({
* (String) data - The type of data that you're expecting back,
* (e.g. "xml", "html", "script")
*/
- httpData: function(r,type) {
+ httpData: function( r, type ) {
var ct = r.getResponseHeader("content-type");
var data = !type && ct && ct.indexOf("xml") >= 0;
data = type == "xml" || data ? r.responseXML : r.responseText;
// If the type is "script", eval it in global context
- if ( type == "script" ) {
+ if ( type == "script" )
jQuery.globalEval( data );
- }
// Get the JavaScript object, if JSON is used.
- if ( type == "json" ) eval( "data = " + data );
+ if ( type == "json" )
+ eval( "data = " + data );
// evaluate scripts within html
- if ( type == "html" ) jQuery("").html(data).evalScripts();
+ if ( type == "html" )
+ jQuery("
").html(data).evalScripts();
return data;
},
// Serialize an array of form elements or a set of
// key/values into a query string
- param: function(a) {
+ param: function( a ) {
var s = [];
// If an array was passed in, assume that it is an array
// of form elements
- if ( a.constructor == Array || a.jquery ) {
+ if ( a.constructor == Array || a.jquery )
// Serialize the form elements
- for ( var i = 0; i < a.length; i++ )
- s.push( a[i].name + "=" + encodeURIComponent( a[i].value ) );
+ jQuery.each( a, function(){
+ s.push( encodeURIComponent(this.name) + "=" + encodeURIComponent( this.value ) );
+ });
// Otherwise, assume that it's an object of key/value pairs
- } else {
+ else
// Serialize the key/values
- for ( var j in a ) {
+ for ( var j in a )
// If the value is an array then the key names need to be repeated
- if( a[j].constructor == Array ) {
- for (var k = 0; k < a[j].length; k++) {
- s.push( j + "=" + encodeURIComponent( a[j][k] ) );
- }
- } else {
- s.push( j + "=" + encodeURIComponent( a[j] ) );
- }
- }
- }
+ if ( a[j].constructor == Array )
+ jQuery.each( a[j], function(){
+ s.push( encodeURIComponent(j) + "=" + encodeURIComponent( this ) );
+ });
+ else
+ s.push( encodeURIComponent(j) + "=" + encodeURIComponent( a[j] ) );
// Return the resulting serialization
return s.join("&");
@@ -780,10 +812,10 @@ jQuery.extend({
// evalulates a script in global context
// not reliable for safari
- globalEval: function(data) {
- if (window.execScript)
+ globalEval: function( data ) {
+ if ( window.execScript )
window.execScript( data );
- else if(jQuery.browser.safari)
+ else if ( jQuery.browser.safari )
// safari doesn't provide a synchronous global eval
window.setTimeout( data, 0 );
else