jQuery.fn.extend({
// Keep a copy of the old load
_load: jQuery.fn.load,
-
+
load: function( url, params, callback ) {
- if ( typeof url != 'string' )
+ if ( typeof url !== "string" )
return this._load( url );
var off = url.indexOf(" ");
url = url.slice(0, off);
}
- callback = callback || function(){};
-
// Default to a GET request
var type = "GET";
params = null;
// Otherwise, build a param string
- } else {
+ } else if( typeof params === "object" ) {
params = jQuery.param( params );
type = "POST";
}
// If not, just inject the full result
res.responseText );
- self.each( callback, [res.responseText, status, res] );
+ if( callback )
+ self.each( callback, [res.responseText, status, res] );
}
});
return this;
},
serializeArray: function() {
return this.map(function(){
- return jQuery.nodeName(this, "form") ?
- jQuery.makeArray(this.elements) : this;
+ return this.elements ? jQuery.makeArray(this.elements) : this;
})
.filter(function(){
- return this.name && !this.disabled &&
- (this.checked || /select|textarea/i.test(this.nodeName) ||
+ return this.name && !this.disabled &&
+ (this.checked || /select|textarea/i.test(this.nodeName) ||
/text|hidden|password/i.test(this.type));
})
.map(function(i, elem){
var val = jQuery(this).val();
return val == null ? null :
- val.constructor == Array ?
+ jQuery.isArray(val) ?
jQuery.map( val, function(val, i){
return {name: elem.name, value: val};
}) :
var jsc = now();
jQuery.extend({
+
get: function( url, data, callback, type ) {
// shift arguments if data argument was ommited
if ( jQuery.isFunction( data ) ) {
callback = data;
data = null;
}
-
+
return jQuery.ajax({
type: "GET",
url: url,
},
ajaxSettings: {
+ url: location.href,
global: true,
type: "GET",
- timeout: 0,
contentType: "application/x-www-form-urlencoded",
processData: true,
async: true,
+ /*
+ timeout: 0,
data: null,
username: null,
password: null,
+ */
+ // Create the request object; Microsoft failed to properly
+ // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
+ // This function can be overriden by calling jQuery.ajaxSetup
+ xhr:function(){
+ return window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
+ },
accepts: {
xml: "application/xml, text/xml",
html: "text/html",
_default: "*/*"
}
},
-
+
// Last-Modified header cache for next request
lastModified: {},
ajax: function( s ) {
- var jsonp, jsre = /=\?(&|$)/g, status, data;
-
// Extend the settings, but re-extend 's' so that it can be
// checked again later (in the test suite, specifically)
s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s));
+ var jsonp, jsre = /=\?(&|$)/g, status, data,
+ type = s.type.toUpperCase();
+
// convert data if not already a string
- if ( s.data && s.processData && typeof s.data != "string" )
+ if ( s.data && s.processData && typeof s.data !== "string" )
s.data = jQuery.param(s.data);
// Handle JSONP Parameter Callbacks
if ( s.dataType == "jsonp" ) {
- if ( s.type.toLowerCase() == "get" ) {
+ if ( type == "GET" ) {
if ( !s.url.match(jsre) )
s.url += (s.url.match(/\?/) ? "&" : "?") + (s.jsonp || "callback") + "=?";
} else if ( !s.data || !s.data.match(jsre) )
if ( s.dataType == "script" && s.cache == null )
s.cache = false;
- if ( s.cache === false && s.type.toLowerCase() == "get" ) {
+ if ( s.cache === false && type == "GET" ) {
var ts = now();
// try replacing _= if it is there
var ret = s.url.replace(/(\?|&)_=.*?(&|$)/, "$1_=" + ts + "$2");
}
// If data is available, append data to url for get requests
- if ( s.data && s.type.toLowerCase() == "get" ) {
+ if ( s.data && type == "GET" ) {
s.url += (s.url.match(/\?/) ? "&" : "?") + s.data;
// IE likes to send both get and post data, prevent this
if ( s.global && ! jQuery.active++ )
jQuery.event.trigger( "ajaxStart" );
+ // Matches an absolute URL, and saves the domain
+ var parts = /^(\w+:)?\/\/([^\/?#]+)/.exec( s.url );
+
// If we're requesting a remote document
// 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" ) {
+ if ( s.dataType == "script" && type == "GET" && parts
+ && ( parts[1] && parts[1] != location.protocol || parts[2] != location.host )){
+
var head = document.getElementsByTagName("head")[0];
var script = document.createElement("script");
script.src = s.url;
// Attach handlers for all browsers
script.onload = script.onreadystatechange = function(){
- if ( !done && (!this.readyState ||
+ if ( !done && (!this.readyState ||
this.readyState == "loaded" || this.readyState == "complete") ) {
done = true;
success();
complete();
+
+ // Handle memory leak in IE
+ script.onload = script.onreadystatechange = null;
head.removeChild( script );
}
};
var requestDone = false;
- // Create the request object; Microsoft failed to properly
- // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
- var xml = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
+ // Create the request object
+ var xhr = s.xhr();
// Open the socket
- xml.open(s.type, s.url, s.async, s.username, s.password);
+ // Passing null username, generates a login popup on Opera (#2865)
+ if( s.username )
+ xhr.open(type, s.url, s.async, s.username, s.password);
+ else
+ xhr.open(type, s.url, s.async);
// 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);
+ xhr.setRequestHeader("Content-Type", s.contentType);
// Set the If-Modified-Since header, if ifModified mode.
if ( s.ifModified )
- xml.setRequestHeader("If-Modified-Since",
+ xhr.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");
+ xhr.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 ] ?
+ xhr.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, s) === false ) {
- // cleanup active request counter
- s.global && jQuery.active--;
+ // Allow custom headers/mimetypes and early abort
+ if ( s.beforeSend && s.beforeSend(xhr, s) === false ) {
+ // Handle the global AJAX counter
+ if ( s.global && ! --jQuery.active )
+ jQuery.event.trigger( "ajaxStop" );
// close opended socket
- xml.abort();
+ xhr.abort();
return false;
}
-
+
if ( s.global )
- jQuery.event.trigger("ajaxSend", [xml, s]);
+ jQuery.event.trigger("ajaxSend", [xhr, s]);
// Wait for a response to come back
var onreadystatechange = function(isTimeout){
+ // The request was aborted, clear the interval and decrement jQuery.active
+ if (xhr.readyState == 0) {
+ if (ival) {
+ // clear poll interval
+ clearInterval(ival);
+ ival = null;
+ // Handle the global AJAX counter
+ if ( s.global && ! --jQuery.active )
+ jQuery.event.trigger( "ajaxStop" );
+ }
// The transfer is complete and the data is available, or the request timed out
- if ( !requestDone && xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
+ } else if ( !requestDone && xhr && (xhr.readyState == 4 || isTimeout == "timeout") ) {
requestDone = true;
-
+
// clear poll interval
if (ival) {
clearInterval(ival);
ival = null;
}
-
- status = isTimeout == "timeout" && "timeout" ||
- !jQuery.httpSuccess( xml ) && "error" ||
- s.ifModified && jQuery.httpNotModified( xml, s.url ) && "notmodified" ||
+
+ status = isTimeout == "timeout" ? "timeout" :
+ !jQuery.httpSuccess( xhr ) ? "error" :
+ s.ifModified && jQuery.httpNotModified( xhr, s.url ) ? "notmodified" :
"success";
if ( status == "success" ) {
// Watch for, and catch, XML document parse errors
try {
// process the data (runs the xml through httpData regardless of callback)
- data = jQuery.httpData( xml, s.dataType );
+ data = jQuery.httpData( xhr, s.dataType, s );
} catch(e) {
status = "parsererror";
}
// Cache Last-Modified header, if ifModified mode.
var modRes;
try {
- modRes = xml.getResponseHeader("Last-Modified");
+ modRes = xhr.getResponseHeader("Last-Modified");
} catch(e) {} // swallow exception thrown by FF if header is not available
-
+
if ( s.ifModified && modRes )
jQuery.lastModified[s.url] = modRes;
// JSONP handles its own success callback
if ( !jsonp )
- success();
+ success();
} else
- jQuery.handleError(s, xml, status);
+ jQuery.handleError(s, xhr, status);
// Fire the complete handlers
complete();
+ if ( isTimeout )
+ xhr.abort();
+
// Stop memory leaks
if ( s.async )
- xml = null;
+ xhr = null;
}
};
-
+
if ( s.async ) {
// don't attach the handler to the request, just poll it instead
- var ival = setInterval(onreadystatechange, 13);
+ var ival = setInterval(onreadystatechange, 13);
// Timeout checker
if ( s.timeout > 0 )
setTimeout(function(){
// Check to see if the request is still happening
- if ( xml ) {
- // Cancel the request
- xml.abort();
-
- if( !requestDone )
- onreadystatechange( "timeout" );
- }
+ if ( xhr && !requestDone )
+ onreadystatechange( "timeout" );
}, s.timeout);
}
-
+
// Send the data
try {
- xml.send(s.data);
+ xhr.send(s.data);
} catch(e) {
- jQuery.handleError(s, xml, null, e);
+ jQuery.handleError(s, xhr, null, e);
}
-
+
// firefox 1.5 doesn't fire statechange for sync requests
if ( !s.async )
onreadystatechange();
// Fire the global callback
if ( s.global )
- jQuery.event.trigger( "ajaxSuccess", [xml, s] );
+ jQuery.event.trigger( "ajaxSuccess", [xhr, s] );
}
function complete(){
// Process result
if ( s.complete )
- s.complete(xml, status);
+ s.complete(xhr, status);
// The request was completed
if ( s.global )
- jQuery.event.trigger( "ajaxComplete", [xml, s] );
+ jQuery.event.trigger( "ajaxComplete", [xhr, s] );
// Handle the global AJAX counter
if ( s.global && ! --jQuery.active )
jQuery.event.trigger( "ajaxStop" );
}
-
+
// return XMLHttpRequest to allow aborting the request etc.
- return xml;
+ return xhr;
},
- handleError: function( s, xml, status, e ) {
+ handleError: function( s, xhr, status, e ) {
// If a local callback was specified, fire it
- if ( s.error ) s.error( xml, status, e );
+ if ( s.error ) s.error( xhr, status, e );
// Fire the global callback
if ( s.global )
- jQuery.event.trigger( "ajaxError", [xml, s, e] );
+ jQuery.event.trigger( "ajaxError", [xhr, 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( xhr ) {
try {
// IE error sometimes returns 1223 when it should be 204 so treat it as success, see #1450
- return !r.status && location.protocol == "file:" ||
- ( r.status >= 200 && r.status < 300 ) || r.status == 304 || r.status == 1223 ||
- jQuery.browser.safari && r.status == undefined;
+ return !xhr.status && location.protocol == "file:" ||
+ ( xhr.status >= 200 && xhr.status < 300 ) || xhr.status == 304 || xhr.status == 1223;
} catch(e){}
return false;
},
// Determines if an XMLHttpRequest returns NotModified
- httpNotModified: function( xml, url ) {
+ httpNotModified: function( xhr, url ) {
try {
- var xmlRes = xml.getResponseHeader("Last-Modified");
+ var xhrRes = xhr.getResponseHeader("Last-Modified");
// Firefox always returns 200. check Last-Modified date
- return xml.status == 304 || xmlRes == jQuery.lastModified[url] ||
- jQuery.browser.safari && xml.status == undefined;
+ return xhr.status == 304 || xhrRes == jQuery.lastModified[url];
} catch(e){}
return false;
},
- httpData: function( r, type ) {
- var ct = r.getResponseHeader("content-type"),
+ httpData: function( xhr, type, s ) {
+ var ct = xhr.getResponseHeader("content-type"),
xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0,
- data = xml ? r.responseXML : r.responseText;
+ data = xml ? xhr.responseXML : xhr.responseText;
if ( xml && data.documentElement.tagName == "parsererror" )
throw "parsererror";
+
+ // Allow a pre-filtering function to sanitize the response
+ // s != null is checked to keep backwards compatibility
+ if( s && s.dataFilter )
+ data = s.dataFilter( data, type );
- // If the type is "script", eval it in global context
- if ( type == "script" )
- jQuery.globalEval( data );
+ // The filter can actually parse the response
+ if( typeof data === "string" ){
- // Get the JavaScript object, if JSON is used.
- if ( type == "json" )
- data = eval("(" + data + ")");
+ // If the type is "script", eval it in global context
+ if ( type == "script" )
+ jQuery.globalEval( data );
+ // Get the JavaScript object, if JSON is used.
+ if ( type == "json" )
+ data = window["eval"]("(" + data + ")");
+ }
+
return data;
},
// Serialize an array of form elements or a set of
// key/values into a query string
param: function( a ) {
- var s = [];
+ var s = [ ];
+
+ function add( key, value ){
+ s[ s.length ] = encodeURIComponent(key) + '=' + encodeURIComponent(value);
+ };
// If an array was passed in, assume that it is an array
// of form elements
- if ( a.constructor == Array || a.jquery )
+ if ( jQuery.isArray(a) || a.jquery )
// Serialize the form elements
jQuery.each( a, function(){
- s.push( encodeURIComponent(this.name) + "=" + encodeURIComponent( this.value ) );
+ add( this.name, this.value );
});
// Otherwise, assume that it's an object of key/value pairs
// Serialize the key/values
for ( var j in a )
// If the value is an array then the key names need to be repeated
- if ( a[j] && a[j].constructor == Array )
+ if ( jQuery.isArray(a[j]) )
jQuery.each( a[j], function(){
- s.push( encodeURIComponent(j) + "=" + encodeURIComponent( this ) );
+ add( j, this );
});
else
- s.push( encodeURIComponent(j) + "=" + encodeURIComponent( jQuery.isFunction(a[j]) ? a[j]() : a[j] ) );
+ add( j, jQuery.isFunction(a[j]) ? a[j]() : a[j] );
// Return the resulting serialization
return s.join("&").replace(/%20/g, "+");