load: function( url, params, callback ) {
if ( typeof url !== "string" ) {
return this._load( url );
+
+ // Don't do a request if no elements are being requested
+ } else if ( !this.length ) {
+ return this;
}
var off = url.indexOf(" ");
}
}
- var self = this;
-
// Request the remote document
jQuery.ajax({
url: url,
type: type,
dataType: "html",
data: params,
+ context:this,
complete: function(res, status){
// If successful, inject the HTML into all the matched elements
if ( status === "success" || status === "notmodified" ) {
// See if a selector was specified
- self.html( selector ?
+ this.html( selector ?
// Create a dummy div to hold the results
- jQuery("<div/>")
+ jQuery("<div />")
// inject the contents of the document in, removing the scripts
// to avoid any 'Permission Denied' errors in IE
.append(res.responseText.replace(rscript, ""))
}
if ( callback ) {
- self.each( callback, [res.responseText, status, res] );
+ this.each( callback, [res.responseText, status, res] );
}
}
});
});
// Attach a bunch of functions for handling common AJAX events
-jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split(","), function(i,o){
+jQuery.each( "ajaxStart ajaxStop ajaxComplete ajaxError ajaxSuccess ajaxSend".split(" "), function(i,o){
jQuery.fn[o] = function(f){
return this.bind(o, f);
};
jQuery.extend({
get: function( url, data, callback, type ) {
- // shift arguments if data argument was ommited
+ // shift arguments if data argument was omited
if ( jQuery.isFunction( data ) ) {
+ type = type || callback;
callback = data;
data = null;
}
},
post: function( url, data, callback, type ) {
+ // shift arguments if data argument was omited
if ( jQuery.isFunction( data ) ) {
+ type = type || callback;
callback = data;
data = {};
}
ajax: function( s ) {
// Extend the settings, but re-extend 's' so that it can be
// checked again later (in the test suite, specifically)
- s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s));
-
+ s = jQuery.extend(true, {}, jQuery.ajaxSettings, s);
+
var jsonp, status, data,
+ callbackContext = s.context || window,
type = s.type.toUpperCase();
// convert data if not already a string
}
// Matches an absolute URL, and saves the domain
- var parts = rurl.exec( s.url );
+ var parts = rurl.exec( s.url ),
+ remote = parts && (parts[1] && parts[1] !== location.protocol || parts[2] !== location.host);
// If we're requesting a remote document
// and trying to load JSON or Script with a GET
- if ( s.dataType === "script" && type === "GET" && parts
- && ( parts[1] && parts[1] !== location.protocol || parts[2] !== location.host )) {
-
- var head = document.getElementsByTagName("head")[0];
+ if ( s.dataType === "script" && type === "GET" && remote ) {
+ var head = document.getElementsByTagName("head")[0] || document.documentElement;
var script = document.createElement("script");
script.src = s.url;
if ( s.scriptCharset ) {
xhr.setRequestHeader("Content-Type", s.contentType);
}
- // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
- if ( s.ifModified ) {
- if ( jQuery.lastModified[s.url] ) {
- xhr.setRequestHeader("If-Modified-Since", jQuery.lastModified[s.url]);
- }
+ // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
+ if ( s.ifModified ) {
+ if ( jQuery.lastModified[s.url] ) {
+ xhr.setRequestHeader("If-Modified-Since", jQuery.lastModified[s.url]);
+ }
- if ( jQuery.etag[s.url] ) {
- xhr.setRequestHeader("If-None-Match", jQuery.etag[s.url]);
- }
+ if ( jQuery.etag[s.url] ) {
+ xhr.setRequestHeader("If-None-Match", jQuery.etag[s.url]);
}
+ }
// Set header so the called script knows that it's an XMLHttpRequest
- xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+ // Only send the header if it's not a remote XHR
+ if ( !remote ) {
+ xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
+ }
// Set the Accepts header for the server, depending on the dataType
xhr.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ?
} catch(e){}
// Allow custom headers/mimetypes and early abort
- if ( s.beforeSend && s.beforeSend(xhr, s) === false ) {
+ if ( s.beforeSend && s.beforeSend.call(callbackContext, xhr, s) === false ) {
// Handle the global AJAX counter
if ( s.global && ! --jQuery.active ) {
jQuery.event.trigger( "ajaxStop" );
}
if ( s.global ) {
- jQuery.event.trigger("ajaxSend", [xhr, s]);
+ trigger("ajaxSend", [xhr, s]);
}
// Wait for a response to come back
xhr.send( type === "POST" || type === "PUT" ? s.data : null );
} catch(e) {
jQuery.handleError(s, xhr, null, e);
+ // Fire the complete handlers
+ complete();
}
// firefox 1.5 doesn't fire statechange for sync requests
function success(){
// If a local callback was specified, fire it and pass it the data
if ( s.success ) {
- s.success( data, status );
+ s.success.call( callbackContext, data, status, xhr );
}
// Fire the global callback
if ( s.global ) {
- jQuery.event.trigger( "ajaxSuccess", [xhr, s] );
+ trigger( "ajaxSuccess", [xhr, s] );
}
}
function complete(){
// Process result
if ( s.complete ) {
- s.complete(xhr, status);
+ s.complete.call( callbackContext, xhr, status);
}
// The request was completed
if ( s.global ) {
- jQuery.event.trigger( "ajaxComplete", [xhr, s] );
+ trigger( "ajaxComplete", [xhr, s] );
}
// Handle the global AJAX counter
jQuery.event.trigger( "ajaxStop" );
}
}
+
+ function trigger(type, args){
+ (s.context ? jQuery(s.context) : jQuery.event).trigger(type, args);
+ }
// return XMLHttpRequest to allow aborting the request etc.
return xhr;
handleError: function( s, xhr, status, e ) {
// If a local callback was specified, fire it
if ( s.error ) {
- s.error( xhr, status, e );
+ s.error.call( s.context || window, xhr, status, e );
}
// Fire the global callback
if ( s.global ) {
- jQuery.event.trigger( "ajaxError", [xhr, s, e] );
+ (s.context ? jQuery(s.context) : jQuery.event).trigger( "ajaxError", [xhr, s, e] );
}
},
// Determines if an XMLHttpRequest returns NotModified
httpNotModified: function( xhr, url ) {
- var last_modified = xhr.getResponseHeader("Last-Modified"),
+ var lastModified = xhr.getResponseHeader("Last-Modified"),
etag = xhr.getResponseHeader("Etag");
- if ( last_modified ) {
- jQuery.lastModified[url] = last_modified;
+ if ( lastModified ) {
+ jQuery.lastModified[url] = lastModified;
}
if ( etag ) {
// Serialize an array of form elements or a set of
// key/values into a query string
param: function( a ) {
- var s = [];
-
+ var s = [],
+ param_traditional = jQuery.param.traditional;
+
function add( key, value ){
+ // If value is a function, invoke it and return its value
+ value = jQuery.isFunction(value) ? value() : value;
s[ s.length ] = encodeURIComponent(key) + '=' + encodeURIComponent(value);
}
-
+
// If an array was passed in, assume that it is an array
// of form elements
if ( jQuery.isArray(a) || a.jquery ) {
// Serialize the form elements
- jQuery.each( a, function(){
+ jQuery.each( a, function() {
add( this.name, this.value );
});
-
- // Otherwise, assume that it's an object of key/value pairs
+
} else {
- // Serialize the key/values
- for ( var j in a ) {
- // If the value is an array then the key names need to be repeated
- if ( jQuery.isArray(a[j]) ) {
- jQuery.each( a[j], function(){
- add( j, this );
+ // Encode parameters from object, recursively. If
+ // jQuery.param.traditional is set, encode the "old" way
+ // (the way 1.3.2 or older did it)
+ jQuery.each( a, function buildParams( prefix, obj ) {
+
+ if ( jQuery.isArray(obj) ) {
+ jQuery.each( obj, function(i,v){
+ // Due to rails' limited request param syntax, numeric array
+ // indices are not supported. To avoid serialization ambiguity
+ // issues, serialized arrays can only contain scalar values. php
+ // does not have this issue, but we should go with the lowest
+ // common denominator
+ add( prefix + ( param_traditional ? "" : "[]" ), v );
});
+
+ } else if ( typeof obj == "object" ) {
+ if ( param_traditional ) {
+ add( prefix, obj );
+
+ } else {
+ jQuery.each( obj, function(k,v){
+ buildParams( prefix ? prefix + "[" + k + "]" : k, v );
+ });
+ }
} else {
- add( j, jQuery.isFunction(a[j]) ? a[j]() : a[j] );
+ add( prefix, obj );
}
- }
+ });
}
-
// Return the resulting serialization
return s.join("&").replace(r20, "+");
}