X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fajax%2Fajax.js;h=953876a1937e560847e685e1be70a7a19ed6eb1d;hb=c330527318775d32c87954f640c53066e7a732d9;hp=2c86812b34b48076c0ba423d68c586935d95f6b0;hpb=2abdbd4e30f28347840a1861968b2f8a73d8883a;p=jquery.git diff --git a/src/ajax/ajax.js b/src/ajax/ajax.js index 2c86812..953876a 100644 --- a/src/ajax/ajax.js +++ b/src/ajax/ajax.js @@ -11,7 +11,7 @@ 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 */ @@ -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.
@@ -207,7 +210,8 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" ) * 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 + "
  • "); @@ -236,17 +240,11 @@ if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" ) * @param Function callback The function to execute. * @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({ @@ -271,7 +269,7 @@ 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 */ @@ -312,7 +310,7 @@ 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 */ @@ -360,7 +358,7 @@ 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 */ @@ -389,7 +387,7 @@ 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 */ @@ -404,7 +402,7 @@ jQuery.extend({ }, // timeout (ms) - timeout: 0, + //timeout: 0, /** * Set the timeout of all AJAX requests to a specific amount of time. @@ -416,6 +414,8 @@ 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. * @@ -425,9 +425,42 @@ jQuery.extend({ * @cat AJAX */ ajaxTimeout: function(timeout) { - jQuery.timeout = 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 + }, + // 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, @@ -546,27 +580,13 @@ jQuery.extend({ * * @name $.ajax * @type XMLHttpRequest - * @param Hash prop A set of properties to initialize the request with. + * @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 ) { @@ -618,40 +638,37 @@ 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 @@ -676,14 +693,12 @@ jQuery.extend({ 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); @@ -691,12 +706,29 @@ 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,