Closes #2688

[jquery.git] / src / ajax.js

diff --git a/src/ajax.js b/src/ajax.js
index d4f2e12..77537e7 100644 (file)
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -34,6 +34,7 @@ jQuery.fn.extend({
                jQuery.ajax({
                        url: url,
                        type: type,
+                       dataType: "html",
                        data: params,
                        complete: function(res, status){
                                // If successful, inject the HTML into all the matched elements
@@ -143,14 +144,24 @@ jQuery.extend({
                contentType: "application/x-www-form-urlencoded",
                processData: true,
                async: true,
-               data: null
+               data: null,
+               username: null,
+               password: null,
+               accepts: {
+                       xml: "application/xml, text/xml",
+                       html: "text/html",
+                       script: "text/javascript, application/javascript",
+                       json: "application/json, text/javascript",
+                       text: "text/plain",
+                       _default: "*/*"
+               }
        },
        
        // Last-Modified header cache for next request
        lastModified: {},
 
        ajax: function( s ) {
-               var jsonp, jsre = /=(\?|%3F)/g, status, data;
+               var jsonp, jsre = /=\?(&|$)/g, status, data;
 
                // Extend the settings, but re-extend 's' so that it can be
                // checked again later (in the test suite, specifically)
@@ -176,8 +187,8 @@ jQuery.extend({
 
                        // Replace the =? sequence both in the query string and the data
                        if ( s.data )
-                               s.data = (s.data + "").replace(jsre, "=" + jsonp);
-                       s.url = s.url.replace(jsre, "=" + jsonp);
+                               s.data = (s.data + "").replace(jsre, "=" + jsonp + "$1");
+                       s.url = s.url.replace(jsre, "=" + jsonp + "$1");
 
                        // We need to make sure
                        // that a JSONP style response is executed properly
@@ -191,6 +202,8 @@ jQuery.extend({
                                // Garbage collect
                                window[ jsonp ] = undefined;
                                try{ delete window[ jsonp ]; } catch(e){}
+                               if ( head )
+                                       head.removeChild( script );
                        };
                }
 
@@ -200,7 +213,7 @@ jQuery.extend({
                if ( s.cache === false && s.type.toLowerCase() == "get" ) {
                        var ts = (new Date()).getTime();
                        // try replacing _= if it is there
-                       var ret = s.url.replace(/(\?|&)_=.*(&|$)/, "$1_=" + ts + "$2");
+                       var ret = s.url.replace(/(\?|&)_=.*?(&|$)/, "$1_=" + ts + "$2");
                        // if nothing was replaced, add timestamp to the end
                        s.url = ret + ((ret == s.url) ? (s.url.match(/\?/) ? "&" : "?") + "_=" + ts : "");
                }
@@ -218,11 +231,13 @@ jQuery.extend({
                        jQuery.event.trigger( "ajaxStart" );
 
                // If we're requesting a remote document
-               // and trying to load JSON or Script
-               if ( !s.url.indexOf("http") && ( s.dataType == "script" || s.dataType =="json" ) ) {
+               // and trying to load JSON or Script with a GET
+               if ( (!s.url.indexOf("http") || !s.url.indexOf("//")) && s.dataType == "script" && s.type.toLowerCase() == "get" ) {
                        var head = document.getElementsByTagName("head")[0];
                        var script = document.createElement("script");
                        script.src = s.url;
+                       if (s.scriptCharset)
+                               script.charset = s.scriptCharset;
 
                        // Handle Script loading
                        if ( !jsonp ) {
@@ -243,7 +258,7 @@ jQuery.extend({
                        head.appendChild(script);
 
                        // We handle everything using the script element injection
-                       return;
+                       return undefined;
                }
 
                var requestDone = false;
@@ -253,24 +268,35 @@ jQuery.extend({
                var xml = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
 
                // Open the socket
-               xml.open(s.type, s.url, s.async);
+               xml.open(s.type, s.url, s.async, s.username, s.password);
+
+               // Need an extra try/catch for cross domain requests in Firefox 3
+               try {
+                       // Set the correct header, if data is being sent
+                       if ( s.data )
+                               xml.setRequestHeader("Content-Type", s.contentType);
 
-               // Set the correct header, if data is being sent
-               if ( s.data )
-                       xml.setRequestHeader("Content-Type", s.contentType);
+                       // Set the If-Modified-Since header, if ifModified mode.
+                       if ( s.ifModified )
+                               xml.setRequestHeader("If-Modified-Since",
+                                       jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT" );
 
-               // Set the If-Modified-Since header, if ifModified mode.
-               if ( s.ifModified )
-                       xml.setRequestHeader("If-Modified-Since",
-                               jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT" );
+                       // Set header so the called script knows that it's an XMLHttpRequest
+                       xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");
 
-               // Set header so the called script knows that it's an XMLHttpRequest
-               xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+                       // Set the Accepts header for the server, depending on the dataType
+                       xml.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ?
+                               s.accepts[ s.dataType ] + ", */*" :
+                               s.accepts._default );
+               } catch(e){}
 
                // Allow custom headers/mimetypes
                if ( s.beforeSend )
-                       s.beforeSend(xml);
+                       var beforeSendSuccess = s.beforeSend(xml, s);
                        
+               if( beforeSendSuccess === false )
+                 return false;
+               
                if ( s.global )
                        jQuery.event.trigger("ajaxSend", [xml, s]);
 
@@ -355,9 +381,6 @@ jQuery.extend({
                // firefox 1.5 doesn't fire statechange for sync requests
                if ( !s.async )
                        onreadystatechange();
-               
-               // return XMLHttpRequest to allow aborting the request etc.
-               return xml;
 
                function success(){
                        // If a local callback was specified, fire it and pass it the data
@@ -382,6 +405,9 @@ jQuery.extend({
                        if ( s.global && ! --jQuery.active )
                                jQuery.event.trigger( "ajaxStop" );
                }
+               
+               // return XMLHttpRequest to allow aborting the request etc.
+               return xml;
        },
 
        handleError: function( s, xml, status, e ) {