").get(0).files !== undefined;
feature.formdata = window.FormData !== undefined;
var hasProp = !!$.fn.prop;
// attr2 uses prop when it can but checks the return type for
// an expected string. this accounts for the case where a form
// contains inputs with names like "action" or "method"; in those
// cases "prop" returns the element
$.fn.attr2 = function() {
if ( ! hasProp ) {
return this.attr.apply(this, arguments);
}
var val = this.prop.apply(this, arguments);
if ( ( val && val.jquery ) || typeof val === 'string' ) {
return val;
}
return this.attr.apply(this, arguments);
};
/**
* ajaxSubmit() provides a mechanism for immediately submitting
* an HTML form using AJAX.
*/
$.fn.ajaxSubmit = function(options) {
/*jshint scripturl:true */
// fast fail if nothing selected (http://dev.jquery.com/ticket/2752)
if (!this.length) {
log('ajaxSubmit: skipping submit process - no element selected');
return this;
}
var method, action, url, $form = this;
if (typeof options == 'function') {
options = { success: options };
}
else if ( options === undefined ) {
options = {};
}
method = options.type || this.attr2('method');
action = options.url || this.attr2('action');
url = (typeof action === 'string') ? $.trim(action) : '';
url = url || window.location.href || '';
if (url) {
// clean url (don't include hash vaue)
url = (url.match(/^([^#]+)/)||[])[1];
}
options = $.extend(true, {
url: url,
success: $.ajaxSettings.success,
type: method || $.ajaxSettings.type,
iframeSrc: /^http/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank'
}, options);
// hook for manipulating the form data before it is extracted;
// convenient for use with rich editors like tinyMCE or FCKEditor
var veto = {};
this.trigger('form-pre-serialize', [this, options, veto]);
if (veto.veto) {
log('ajaxSubmit: submit vetoed via form-pre-serialize trigger');
return this;
}
// provide opportunity to alter form data before it is serialized
if (options.beforeSerialize && options.beforeSerialize(this, options) === false) {
log('ajaxSubmit: submit aborted via beforeSerialize callback');
return this;
}
var traditional = options.traditional;
if ( traditional === undefined ) {
traditional = $.ajaxSettings.traditional;
}
var elements = [];
var qx, a = this.formToArray(options.semantic, elements);
if (options.data) {
options.extraData = options.data;
qx = $.param(options.data, traditional);
}
// give pre-submit callback an opportunity to abort the submit
if (options.beforeSubmit && options.beforeSubmit(a, this, options) === false) {
log('ajaxSubmit: submit aborted via beforeSubmit callback');
return this;
}
// fire vetoable 'validate' event
this.trigger('form-submit-validate', [a, this, options, veto]);
if (veto.veto) {
log('ajaxSubmit: submit vetoed via form-submit-validate trigger');
return this;
}
var q = $.param(a, traditional);
if (qx) {
q = ( q ? (q + '&' + qx) : qx );
}
if (options.type.toUpperCase() == 'GET') {
options.url += (options.url.indexOf('?') >= 0 ? '&' : '?') + q;
options.data = null; // data is null for 'get'
}
else {
options.data = q; // data is the query string for 'post'
}
var callbacks = [];
if (options.resetForm) {
callbacks.push(function() { $form.resetForm(); });
}
if (options.clearForm) {
callbacks.push(function() { $form.clearForm(options.includeHidden); });
}
// perform a load on the target only if dataType is not provided
if (!options.dataType && options.target) {
var oldSuccess = options.success || function(){};
callbacks.push(function(data) {
var fn = options.replaceTarget ? 'replaceWith' : 'html';
// Validate `data` through `HTML encoding` when passed
// `data` is passed to `html()`, as suggested in
// http://github.com/jquery-form/form/issues/464
data = options.replaceTarget
? data
: $.parseHTML($('').text(data).html());
$(options.target)[fn](data).each(oldSuccess, arguments);
});
}
else if (options.success) {
callbacks.push(options.success);
}
options.success = function(data, status, xhr) { // jQuery 1.4+ passes xhr as 3rd arg
var context = options.context || this ; // jQuery 1.4+ supports scope context
for (var i=0, max=callbacks.length; i < max; i++) {
callbacks[i].apply(context, [data, status, xhr || $form, $form]);
}
};
if (options.error) {
var oldError = options.error;
options.error = function(xhr, status, error) {
var context = options.context || this;
oldError.apply(context, [xhr, status, error, $form]);
};
}
if (options.complete) {
var oldComplete = options.complete;
options.complete = function(xhr, status) {
var context = options.context || this;
oldComplete.apply(context, [xhr, status, $form]);
};
}
// are there files to upload?
// [value] (issue #113), also see comment:
// http://github.com/malsup/form/commit/588306aedba1de01388032d5f42a60159eea9228#commitcomment-2180219
var fileInputs = $('input[type=file]:enabled', this).filter(function() { return $(this).val() !== ''; });
var hasFileInputs = fileInputs.length > 0;
var mp = 'multipart/form-data';
var multipart = ($form.attr('enctype') == mp || $form.attr('encoding') == mp);
var fileAPI = feature.fileapi && feature.formdata;
log("fileAPI :" + fileAPI);
var shouldUseFrame = (hasFileInputs || multipart) && !fileAPI;
var jqxhr;
// options.iframe allows user to force iframe mode
// 06-NOV-09: now defaulting to iframe mode if file input is detected
if (options.iframe !== false && (options.iframe || shouldUseFrame)) {
// hack to fix Safari hang (thanks to Tim Molendijk for this)
// see: http://groups.google.com/group/jquery-dev/browse_thread/thread/36395b7ab510dd5d
if (options.closeKeepAlive) {
$.get(options.closeKeepAlive, function() {
jqxhr = fileUploadIframe(a);
});
}
else {
jqxhr = fileUploadIframe(a);
}
}
else if ((hasFileInputs || multipart) && fileAPI) {
jqxhr = fileUploadXhr(a);
}
else {
jqxhr = $.ajax(options);
}
$form.removeData('jqxhr').data('jqxhr', jqxhr);
// clear element array
for (var k=0; k < elements.length; k++) {
elements[k] = null;
}
// fire 'notify' event
this.trigger('form-submit-notify', [this, options]);
return this;
// utility fn for deep serialization
function deepSerialize(extraData){
var serialized = $.param(extraData, options.traditional).split('&');
var len = serialized.length;
var result = [];
var i, part;
for (i=0; i < len; i++) {
// #252; undo param space replacement
serialized[i] = serialized[i].replace(/\+/g,' ');
part = serialized[i].split('=');
// #278; use array instead of object storage, favoring array serializations
result.push([decodeURIComponent(part[0]), decodeURIComponent(part[1])]);
}
return result;
}
// XMLHttpRequest Level 2 file uploads (big hat tip to francois2metz)
function fileUploadXhr(a) {
var formdata = new FormData();
for (var i=0; i < a.length; i++) {
formdata.append(a[i].name, a[i].value);
}
if (options.extraData) {
var serializedData = deepSerialize(options.extraData);
for (i=0; i < serializedData.length; i++) {
if (serializedData[i]) {
formdata.append(serializedData[i][0], serializedData[i][1]);
}
}
}
options.data = null;
var s = $.extend(true, {}, $.ajaxSettings, options, {
contentType: false,
processData: false,
cache: false,
type: method || 'POST'
});
if (options.uploadProgress) {
// workaround because jqXHR does not expose upload property
s.xhr = function() {
var xhr = $.ajaxSettings.xhr();
if (xhr.upload) {
xhr.upload.addEventListener('progress', function(event) {
var percent = 0;
var position = event.loaded || event.position; /*event.position is deprecated*/
var total = event.total;
if (event.lengthComputable) {
percent = Math.ceil(position / total * 100);
}
options.uploadProgress(event, position, total, percent);
}, false);
}
return xhr;
};
}
s.data = null;
var beforeSend = s.beforeSend;
s.beforeSend = function(xhr, o) {
//Send FormData() provided by user
if (options.formData) {
o.data = options.formData;
}
else {
o.data = formdata;
}
if(beforeSend) {
beforeSend.call(this, xhr, o);
}
};
return $.ajax(s);
}
// private function for handling file uploads (hat tip to YAHOO!)
function fileUploadIframe(a) {
var form = $form[0], el, i, s, g, id, $io, io, xhr, sub, n, timedOut, timeoutHandle;
var deferred = $.Deferred();
// #341
deferred.abort = function(status) {
xhr.abort(status);
};
if (a) {
// ensure that every serialized input is still enabled
for (i=0; i < elements.length; i++) {
el = $(elements[i]);
if ( hasProp ) {
el.prop('disabled', false);
}
else {
el.removeAttr('disabled');
}
}
}
s = $.extend(true, {}, $.ajaxSettings, options);
s.context = s.context || s;
id = 'jqFormIO' + (new Date().getTime());
if (s.iframeTarget) {
$io = $(s.iframeTarget);
n = $io.attr2('name');
if (!n) {
$io.attr2('name', id);
}
else {
id = n;
}
}
else {
$io = $('