X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;f=src%2Fajax%2Fajax.js;h=b6a18f4f244d39b2600248c6e4996b3b6df536f0;hb=fc84b9db10da2f69a830dbb9aa78b9c214b297ae;hp=b2fd2325a74e4f79c0ff59d36231697ab0dce7f8;hpb=898ca3198b3297f68eb77ad128450ad8f952e15e;p=jquery.git
diff --git a/src/ajax/ajax.js b/src/ajax/ajax.js
index b2fd232..b6a18f4 100644
--- a/src/ajax/ajax.js
+++ b/src/ajax/ajax.js
@@ -22,6 +22,8 @@ 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.
+ *
* @example $("#feeds").load("feeds.html");
* @before
* @result 45 feeds found.
@@ -207,7 +209,8 @@ 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 + "");
@@ -404,7 +407,7 @@ jQuery.extend({
},
// timeout (ms)
- timeout: 0,
+ //timeout: 0,
/**
* Set the timeout of all AJAX requests to a specific amount of time.
@@ -425,11 +428,26 @@ jQuery.extend({
* @cat AJAX
*/
ajaxTimeout: function(timeout) {
- jQuery.timeout = timeout;
+ //jQuery.timeout = timeout;
+ jQuery.ajaxSettings.timeout = timeout;
+ },
+
+ ajaxSetup: function(settings) {
+ jQuery.extend(jQuery.ajaxSettings, settings);
},
// Last-Modified header cache for next request
lastModified: {},
+
+ // TODO document me
+ ajaxSettings: {
+ global: true,
+ type: "GET",
+ timeout: 0,
+ contentType: "application/x-www-form-urlencoded",
+ processData: true,
+ async: true
+ },
/**
* Load a remote page using an HTTP request.
@@ -472,16 +490,17 @@ 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 - Wheather to trigger global AJAX event handlers for
+ * (Boolean) global - Whether to trigger global AJAX event handlers for
* this request, default is true. Set to false 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.
+ * 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,
@@ -551,22 +570,7 @@ jQuery.extend({
*/
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 +622,37 @@ 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 +677,12 @@ 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 +690,25 @@ 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);
+ }
// 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,