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1174 lines
40 KiB
1174 lines
40 KiB
/*! |
|
* jQuery Form Plugin |
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* version: 3.32.0-2013.04.09 |
|
* @requires jQuery v1.5 or later |
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* Copyright (c) 2013 M. Alsup |
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* Examples and documentation at: http://malsup.com/jquery/form/ |
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* Project repository: https://github.com/malsup/form |
|
* Dual licensed under the MIT and GPL licenses. |
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* https://github.com/malsup/form#copyright-and-license |
|
*/ |
|
/*global ActiveXObject */ |
|
;(function($) { |
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"use strict"; |
|
|
|
/* |
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Usage Note: |
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----------- |
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Do not use both ajaxSubmit and ajaxForm on the same form. These |
|
functions are mutually exclusive. Use ajaxSubmit if you want |
|
to bind your own submit handler to the form. For example, |
|
|
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$(document).ready(function() { |
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$('#myForm').on('submit', function(e) { |
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e.preventDefault(); // <-- important |
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$(this).ajaxSubmit({ |
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target: '#output' |
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}); |
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}); |
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}); |
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|
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Use ajaxForm when you want the plugin to manage all the event binding |
|
for you. For example, |
|
|
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$(document).ready(function() { |
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$('#myForm').ajaxForm({ |
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target: '#output' |
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}); |
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}); |
|
|
|
You can also use ajaxForm with delegation (requires jQuery v1.7+), so the |
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form does not have to exist when you invoke ajaxForm: |
|
|
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$('#myForm').ajaxForm({ |
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delegation: true, |
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target: '#output' |
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}); |
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|
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When using ajaxForm, the ajaxSubmit function will be invoked for you |
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at the appropriate time. |
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*/ |
|
|
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/** |
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* Feature detection |
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*/ |
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var feature = {}; |
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feature.fileapi = $("<input type='file'/>").get(0).files !== undefined; |
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feature.formdata = window.FormData !== undefined; |
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|
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var hasProp = !!$.fn.prop; |
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|
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// attr2 uses prop when it can but checks the return type for |
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// an expected string. this accounts for the case where a form |
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// contains inputs with names like "action" or "method"; in those |
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// cases "prop" returns the element |
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$.fn.attr2 = function() { |
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if ( ! hasProp ) |
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return this.attr.apply(this, arguments); |
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var val = this.prop.apply(this, arguments); |
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if ( ( val && val.jquery ) || typeof val === 'string' ) |
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return val; |
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return this.attr.apply(this, arguments); |
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}; |
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|
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/** |
|
* ajaxSubmit() provides a mechanism for immediately submitting |
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* an HTML form using AJAX. |
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*/ |
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$.fn.ajaxSubmit = function(options) { |
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/*jshint scripturl:true */ |
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|
|
// fast fail if nothing selected (http://dev.jquery.com/ticket/2752) |
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if (!this.length) { |
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log('ajaxSubmit: skipping submit process - no element selected'); |
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return this; |
|
} |
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|
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var method, action, url, $form = this; |
|
|
|
if (typeof options == 'function') { |
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options = { success: options }; |
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} |
|
|
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method = this.attr2('method'); |
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action = this.attr2('action'); |
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|
|
url = (typeof action === 'string') ? $.trim(action) : ''; |
|
url = url || window.location.href || ''; |
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if (url) { |
|
// clean url (don't include hash vaue) |
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url = (url.match(/^([^#]+)/)||[])[1]; |
|
} |
|
|
|
options = $.extend(true, { |
|
url: url, |
|
success: $.ajaxSettings.success, |
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type: method || 'GET', |
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iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank' |
|
}, options); |
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|
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// hook for manipulating the form data before it is extracted; |
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// convenient for use with rich editors like tinyMCE or FCKEditor |
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var veto = {}; |
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this.trigger('form-pre-serialize', [this, options, veto]); |
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if (veto.veto) { |
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log('ajaxSubmit: submit vetoed via form-pre-serialize trigger'); |
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return this; |
|
} |
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|
|
// 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'; |
|
$(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]); |
|
} |
|
}; |
|
|
|
// are there files to upload? |
|
|
|
// [value] (issue #113), also see comment: |
|
// https://github.com/malsup/form/commit/588306aedba1de01388032d5f42a60159eea9228#commitcomment-2180219 |
|
var fileInputs = $('input[type=file]:enabled[value!=""]', this); |
|
|
|
var hasFileInputs = fileInputs.length > 0; |
|
var mp = 'multipart/form-data'; |
|
var multipart = ($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).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 = jQuery.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) { |
|
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(); |
|
|
|
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 = $('<iframe name="' + id + '" src="'+ s.iframeSrc +'" />'); |
|
$io.css({ position: 'absolute', top: '-1000px', left: '-1000px' }); |
|
} |
|
io = $io[0]; |
|
|
|
|
|
xhr = { // mock object |
|
aborted: 0, |
|
responseText: null, |
|
responseXML: null, |
|
status: 0, |
|
statusText: 'n/a', |
|
getAllResponseHeaders: function() {}, |
|
getResponseHeader: function() {}, |
|
setRequestHeader: function() {}, |
|
abort: function(status) { |
|
var e = (status === 'timeout' ? 'timeout' : 'aborted'); |
|
log('aborting upload... ' + e); |
|
this.aborted = 1; |
|
|
|
try { // #214, #257 |
|
if (io.contentWindow.document.execCommand) { |
|
io.contentWindow.document.execCommand('Stop'); |
|
} |
|
} |
|
catch(ignore) {} |
|
|
|
$io.attr('src', s.iframeSrc); // abort op in progress |
|
xhr.error = e; |
|
if (s.error) |
|
s.error.call(s.context, xhr, e, status); |
|
if (g) |
|
$.event.trigger("ajaxError", [xhr, s, e]); |
|
if (s.complete) |
|
s.complete.call(s.context, xhr, e); |
|
} |
|
}; |
|
|
|
g = s.global; |
|
// trigger ajax global events so that activity/block indicators work like normal |
|
if (g && 0 === $.active++) { |
|
$.event.trigger("ajaxStart"); |
|
} |
|
if (g) { |
|
$.event.trigger("ajaxSend", [xhr, s]); |
|
} |
|
|
|
if (s.beforeSend && s.beforeSend.call(s.context, xhr, s) === false) { |
|
if (s.global) { |
|
$.active--; |
|
} |
|
deferred.reject(); |
|
return deferred; |
|
} |
|
if (xhr.aborted) { |
|
deferred.reject(); |
|
return deferred; |
|
} |
|
|
|
// add submitting element to data if we know it |
|
sub = form.clk; |
|
if (sub) { |
|
n = sub.name; |
|
if (n && !sub.disabled) { |
|
s.extraData = s.extraData || {}; |
|
s.extraData[n] = sub.value; |
|
if (sub.type == "image") { |
|
s.extraData[n+'.x'] = form.clk_x; |
|
s.extraData[n+'.y'] = form.clk_y; |
|
} |
|
} |
|
} |
|
|
|
var CLIENT_TIMEOUT_ABORT = 1; |
|
var SERVER_ABORT = 2; |
|
|
|
function getDoc(frame) { |
|
/* it looks like contentWindow or contentDocument do not |
|
* carry the protocol property in ie8, when running under ssl |
|
* frame.document is the only valid response document, since |
|
* the protocol is know but not on the other two objects. strange? |
|
* "Same origin policy" http://en.wikipedia.org/wiki/Same_origin_policy |
|
*/ |
|
|
|
var doc = null; |
|
|
|
// IE8 cascading access check |
|
try { |
|
if (frame.contentWindow) { |
|
doc = frame.contentWindow.document; |
|
} |
|
} catch(err) { |
|
// IE8 access denied under ssl & missing protocol |
|
log('cannot get iframe.contentWindow document: ' + err); |
|
} |
|
|
|
if (doc) { // successful getting content |
|
return doc; |
|
} |
|
|
|
try { // simply checking may throw in ie8 under ssl or mismatched protocol |
|
doc = frame.contentDocument ? frame.contentDocument : frame.document; |
|
} catch(err) { |
|
// last attempt |
|
log('cannot get iframe.contentDocument: ' + err); |
|
doc = frame.document; |
|
} |
|
return doc; |
|
} |
|
|
|
// Rails CSRF hack (thanks to Yvan Barthelemy) |
|
var csrf_token = $('meta[name=csrf-token]').attr('content'); |
|
var csrf_param = $('meta[name=csrf-param]').attr('content'); |
|
if (csrf_param && csrf_token) { |
|
s.extraData = s.extraData || {}; |
|
s.extraData[csrf_param] = csrf_token; |
|
} |
|
|
|
// take a breath so that pending repaints get some cpu time before the upload starts |
|
function doSubmit() { |
|
// make sure form attrs are set |
|
var t = $form.attr2('target'), a = $form.attr2('action'); |
|
|
|
// update form attrs in IE friendly way |
|
form.setAttribute('target',id); |
|
if (!method) { |
|
form.setAttribute('method', 'POST'); |
|
} |
|
if (a != s.url) { |
|
form.setAttribute('action', s.url); |
|
} |
|
|
|
// ie borks in some cases when setting encoding |
|
if (! s.skipEncodingOverride && (!method || /post/i.test(method))) { |
|
$form.attr({ |
|
encoding: 'multipart/form-data', |
|
enctype: 'multipart/form-data' |
|
}); |
|
} |
|
|
|
// support timout |
|
if (s.timeout) { |
|
timeoutHandle = setTimeout(function() { timedOut = true; cb(CLIENT_TIMEOUT_ABORT); }, s.timeout); |
|
} |
|
|
|
// look for server aborts |
|
function checkState() { |
|
try { |
|
var state = getDoc(io).readyState; |
|
log('state = ' + state); |
|
if (state && state.toLowerCase() == 'uninitialized') |
|
setTimeout(checkState,50); |
|
} |
|
catch(e) { |
|
log('Server abort: ' , e, ' (', e.name, ')'); |
|
cb(SERVER_ABORT); |
|
if (timeoutHandle) |
|
clearTimeout(timeoutHandle); |
|
timeoutHandle = undefined; |
|
} |
|
} |
|
|
|
// add "extra" data to form if provided in options |
|
var extraInputs = []; |
|
try { |
|
if (s.extraData) { |
|
for (var n in s.extraData) { |
|
if (s.extraData.hasOwnProperty(n)) { |
|
// if using the $.param format that allows for multiple values with the same name |
|
if($.isPlainObject(s.extraData[n]) && s.extraData[n].hasOwnProperty('name') && s.extraData[n].hasOwnProperty('value')) { |
|
extraInputs.push( |
|
$('<input type="hidden" name="'+s.extraData[n].name+'">').val(s.extraData[n].value) |
|
.appendTo(form)[0]); |
|
} else { |
|
extraInputs.push( |
|
$('<input type="hidden" name="'+n+'">').val(s.extraData[n]) |
|
.appendTo(form)[0]); |
|
} |
|
} |
|
} |
|
} |
|
|
|
if (!s.iframeTarget) { |
|
// add iframe to doc and submit the form |
|
$io.appendTo('body'); |
|
if (io.attachEvent) |
|
io.attachEvent('onload', cb); |
|
else |
|
io.addEventListener('load', cb, false); |
|
} |
|
setTimeout(checkState,15); |
|
|
|
try { |
|
form.submit(); |
|
} catch(err) { |
|
// just in case form has element with name/id of 'submit' |
|
var submitFn = document.createElement('form').submit; |
|
submitFn.apply(form); |
|
} |
|
} |
|
finally { |
|
// reset attrs and remove "extra" input elements |
|
form.setAttribute('action',a); |
|
if(t) { |
|
form.setAttribute('target', t); |
|
} else { |
|
$form.removeAttr('target'); |
|
} |
|
$(extraInputs).remove(); |
|
} |
|
} |
|
|
|
if (s.forceSync) { |
|
doSubmit(); |
|
} |
|
else { |
|
setTimeout(doSubmit, 10); // this lets dom updates render |
|
} |
|
|
|
var data, doc, domCheckCount = 50, callbackProcessed; |
|
|
|
function cb(e) { |
|
if (xhr.aborted || callbackProcessed) { |
|
return; |
|
} |
|
|
|
doc = getDoc(io); |
|
if(!doc) { |
|
log('cannot access response document'); |
|
e = SERVER_ABORT; |
|
} |
|
if (e === CLIENT_TIMEOUT_ABORT && xhr) { |
|
xhr.abort('timeout'); |
|
deferred.reject(xhr, 'timeout'); |
|
return; |
|
} |
|
else if (e == SERVER_ABORT && xhr) { |
|
xhr.abort('server abort'); |
|
deferred.reject(xhr, 'error', 'server abort'); |
|
return; |
|
} |
|
|
|
if (!doc || doc.location.href == s.iframeSrc) { |
|
// response not received yet |
|
if (!timedOut) |
|
return; |
|
} |
|
if (io.detachEvent) |
|
io.detachEvent('onload', cb); |
|
else |
|
io.removeEventListener('load', cb, false); |
|
|
|
var status = 'success', errMsg; |
|
try { |
|
if (timedOut) { |
|
throw 'timeout'; |
|
} |
|
|
|
var isXml = s.dataType == 'xml' || doc.XMLDocument || $.isXMLDoc(doc); |
|
log('isXml='+isXml); |
|
if (!isXml && window.opera && (doc.body === null || !doc.body.innerHTML)) { |
|
if (--domCheckCount) { |
|
// in some browsers (Opera) the iframe DOM is not always traversable when |
|
// the onload callback fires, so we loop a bit to accommodate |
|
log('requeing onLoad callback, DOM not available'); |
|
setTimeout(cb, 250); |
|
return; |
|
} |
|
// let this fall through because server response could be an empty document |
|
//log('Could not access iframe DOM after mutiple tries.'); |
|
//throw 'DOMException: not available'; |
|
} |
|
|
|
//log('response detected'); |
|
var docRoot = doc.body ? doc.body : doc.documentElement; |
|
xhr.responseText = docRoot ? docRoot.innerHTML : null; |
|
xhr.responseXML = doc.XMLDocument ? doc.XMLDocument : doc; |
|
if (isXml) |
|
s.dataType = 'xml'; |
|
xhr.getResponseHeader = function(header){ |
|
var headers = {'content-type': s.dataType}; |
|
return headers[header]; |
|
}; |
|
// support for XHR 'status' & 'statusText' emulation : |
|
if (docRoot) { |
|
xhr.status = Number( docRoot.getAttribute('status') ) || xhr.status; |
|
xhr.statusText = docRoot.getAttribute('statusText') || xhr.statusText; |
|
} |
|
|
|
var dt = (s.dataType || '').toLowerCase(); |
|
var scr = /(json|script|text)/.test(dt); |
|
if (scr || s.textarea) { |
|
// see if user embedded response in textarea |
|
var ta = doc.getElementsByTagName('textarea')[0]; |
|
if (ta) { |
|
xhr.responseText = ta.value; |
|
// support for XHR 'status' & 'statusText' emulation : |
|
xhr.status = Number( ta.getAttribute('status') ) || xhr.status; |
|
xhr.statusText = ta.getAttribute('statusText') || xhr.statusText; |
|
} |
|
else if (scr) { |
|
// account for browsers injecting pre around json response |
|
var pre = doc.getElementsByTagName('pre')[0]; |
|
var b = doc.getElementsByTagName('body')[0]; |
|
if (pre) { |
|
xhr.responseText = pre.textContent ? pre.textContent : pre.innerText; |
|
} |
|
else if (b) { |
|
xhr.responseText = b.textContent ? b.textContent : b.innerText; |
|
} |
|
} |
|
} |
|
else if (dt == 'xml' && !xhr.responseXML && xhr.responseText) { |
|
xhr.responseXML = toXml(xhr.responseText); |
|
} |
|
|
|
try { |
|
data = httpData(xhr, dt, s); |
|
} |
|
catch (err) { |
|
status = 'parsererror'; |
|
xhr.error = errMsg = (err || status); |
|
} |
|
} |
|
catch (err) { |
|
log('error caught: ',err); |
|
status = 'error'; |
|
xhr.error = errMsg = (err || status); |
|
} |
|
|
|
if (xhr.aborted) { |
|
log('upload aborted'); |
|
status = null; |
|
} |
|
|
|
if (xhr.status) { // we've set xhr.status |
|
status = (xhr.status >= 200 && xhr.status < 300 || xhr.status === 304) ? 'success' : 'error'; |
|
} |
|
|
|
// ordering of these callbacks/triggers is odd, but that's how $.ajax does it |
|
if (status === 'success') { |
|
if (s.success) |
|
s.success.call(s.context, data, 'success', xhr); |
|
deferred.resolve(xhr.responseText, 'success', xhr); |
|
if (g) |
|
$.event.trigger("ajaxSuccess", [xhr, s]); |
|
} |
|
else if (status) { |
|
if (errMsg === undefined) |
|
errMsg = xhr.statusText; |
|
if (s.error) |
|
s.error.call(s.context, xhr, status, errMsg); |
|
deferred.reject(xhr, 'error', errMsg); |
|
if (g) |
|
$.event.trigger("ajaxError", [xhr, s, errMsg]); |
|
} |
|
|
|
if (g) |
|
$.event.trigger("ajaxComplete", [xhr, s]); |
|
|
|
if (g && ! --$.active) { |
|
$.event.trigger("ajaxStop"); |
|
} |
|
|
|
if (s.complete) |
|
s.complete.call(s.context, xhr, status); |
|
|
|
callbackProcessed = true; |
|
if (s.timeout) |
|
clearTimeout(timeoutHandle); |
|
|
|
// clean up |
|
setTimeout(function() { |
|
if (!s.iframeTarget) |
|
$io.remove(); |
|
xhr.responseXML = null; |
|
}, 100); |
|
} |
|
|
|
var toXml = $.parseXML || function(s, doc) { // use parseXML if available (jQuery 1.5+) |
|
if (window.ActiveXObject) { |
|
doc = new ActiveXObject('Microsoft.XMLDOM'); |
|
doc.async = 'false'; |
|
doc.loadXML(s); |
|
} |
|
else { |
|
doc = (new DOMParser()).parseFromString(s, 'text/xml'); |
|
} |
|
return (doc && doc.documentElement && doc.documentElement.nodeName != 'parsererror') ? doc : null; |
|
}; |
|
var parseJSON = $.parseJSON || function(s) { |
|
/*jslint evil:true */ |
|
return window['eval']('(' + s + ')'); |
|
}; |
|
|
|
var httpData = function( xhr, type, s ) { // mostly lifted from jq1.4.4 |
|
|
|
var ct = xhr.getResponseHeader('content-type') || '', |
|
xml = type === 'xml' || !type && ct.indexOf('xml') >= 0, |
|
data = xml ? xhr.responseXML : xhr.responseText; |
|
|
|
if (xml && data.documentElement.nodeName === 'parsererror') { |
|
if ($.error) |
|
$.error('parsererror'); |
|
} |
|
if (s && s.dataFilter) { |
|
data = s.dataFilter(data, type); |
|
} |
|
if (typeof data === 'string') { |
|
if (type === 'json' || !type && ct.indexOf('json') >= 0) { |
|
data = parseJSON(data); |
|
} else if (type === "script" || !type && ct.indexOf("javascript") >= 0) { |
|
$.globalEval(data); |
|
} |
|
} |
|
return data; |
|
}; |
|
|
|
return deferred; |
|
} |
|
}; |
|
|
|
/** |
|
* ajaxForm() provides a mechanism for fully automating form submission. |
|
* |
|
* The advantages of using this method instead of ajaxSubmit() are: |
|
* |
|
* 1: This method will include coordinates for <input type="image" /> elements (if the element |
|
* is used to submit the form). |
|
* 2. This method will include the submit element's name/value data (for the element that was |
|
* used to submit the form). |
|
* 3. This method binds the submit() method to the form for you. |
|
* |
|
* The options argument for ajaxForm works exactly as it does for ajaxSubmit. ajaxForm merely |
|
* passes the options argument along after properly binding events for submit elements and |
|
* the form itself. |
|
*/ |
|
$.fn.ajaxForm = function(options) { |
|
options = options || {}; |
|
options.delegation = options.delegation && $.isFunction($.fn.on); |
|
|
|
// in jQuery 1.3+ we can fix mistakes with the ready state |
|
if (!options.delegation && this.length === 0) { |
|
var o = { s: this.selector, c: this.context }; |
|
if (!$.isReady && o.s) { |
|
log('DOM not ready, queuing ajaxForm'); |
|
$(function() { |
|
$(o.s,o.c).ajaxForm(options); |
|
}); |
|
return this; |
|
} |
|
// is your DOM ready? http://docs.jquery.com/Tutorials:Introducing_$(document).ready() |
|
log('terminating; zero elements found by selector' + ($.isReady ? '' : ' (DOM not ready)')); |
|
return this; |
|
} |
|
|
|
if ( options.delegation ) { |
|
$(document) |
|
.off('submit.form-plugin', this.selector, doAjaxSubmit) |
|
.off('click.form-plugin', this.selector, captureSubmittingElement) |
|
.on('submit.form-plugin', this.selector, options, doAjaxSubmit) |
|
.on('click.form-plugin', this.selector, options, captureSubmittingElement); |
|
return this; |
|
} |
|
|
|
return this.ajaxFormUnbind() |
|
.bind('submit.form-plugin', options, doAjaxSubmit) |
|
.bind('click.form-plugin', options, captureSubmittingElement); |
|
}; |
|
|
|
// private event handlers |
|
function doAjaxSubmit(e) { |
|
/*jshint validthis:true */ |
|
var options = e.data; |
|
if (!e.isDefaultPrevented()) { // if event has been canceled, don't proceed |
|
e.preventDefault(); |
|
$(this).ajaxSubmit(options); |
|
} |
|
} |
|
|
|
function captureSubmittingElement(e) { |
|
/*jshint validthis:true */ |
|
var target = e.target; |
|
var $el = $(target); |
|
if (!($el.is("[type=submit],[type=image]"))) { |
|
// is this a child element of the submit el? (ex: a span within a button) |
|
var t = $el.closest('[type=submit]'); |
|
if (t.length === 0) { |
|
return; |
|
} |
|
target = t[0]; |
|
} |
|
var form = this; |
|
form.clk = target; |
|
if (target.type == 'image') { |
|
if (e.offsetX !== undefined) { |
|
form.clk_x = e.offsetX; |
|
form.clk_y = e.offsetY; |
|
} else if (typeof $.fn.offset == 'function') { |
|
var offset = $el.offset(); |
|
form.clk_x = e.pageX - offset.left; |
|
form.clk_y = e.pageY - offset.top; |
|
} else { |
|
form.clk_x = e.pageX - target.offsetLeft; |
|
form.clk_y = e.pageY - target.offsetTop; |
|
} |
|
} |
|
// clear form vars |
|
setTimeout(function() { form.clk = form.clk_x = form.clk_y = null; }, 100); |
|
} |
|
|
|
|
|
// ajaxFormUnbind unbinds the event handlers that were bound by ajaxForm |
|
$.fn.ajaxFormUnbind = function() { |
|
return this.unbind('submit.form-plugin click.form-plugin'); |
|
}; |
|
|
|
/** |
|
* formToArray() gathers form element data into an array of objects that can |
|
* be passed to any of the following ajax functions: $.get, $.post, or load. |
|
* Each object in the array has both a 'name' and 'value' property. An example of |
|
* an array for a simple login form might be: |
|
* |
|
* [ { name: 'username', value: 'jresig' }, { name: 'password', value: 'secret' } ] |
|
* |
|
* It is this array that is passed to pre-submit callback functions provided to the |
|
* ajaxSubmit() and ajaxForm() methods. |
|
*/ |
|
$.fn.formToArray = function(semantic, elements) { |
|
var a = []; |
|
if (this.length === 0) { |
|
return a; |
|
} |
|
|
|
var form = this[0]; |
|
var els = semantic ? form.getElementsByTagName('*') : form.elements; |
|
if (!els) { |
|
return a; |
|
} |
|
|
|
var i,j,n,v,el,max,jmax; |
|
for(i=0, max=els.length; i < max; i++) { |
|
el = els[i]; |
|
n = el.name; |
|
if (!n || el.disabled) { |
|
continue; |
|
} |
|
|
|
if (semantic && form.clk && el.type == "image") { |
|
// handle image inputs on the fly when semantic == true |
|
if(form.clk == el) { |
|
a.push({name: n, value: $(el).val(), type: el.type }); |
|
a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y}); |
|
} |
|
continue; |
|
} |
|
|
|
v = $.fieldValue(el, true); |
|
if (v && v.constructor == Array) { |
|
if (elements) |
|
elements.push(el); |
|
for(j=0, jmax=v.length; j < jmax; j++) { |
|
a.push({name: n, value: v[j]}); |
|
} |
|
} |
|
else if (feature.fileapi && el.type == 'file') { |
|
if (elements) |
|
elements.push(el); |
|
var files = el.files; |
|
if (files.length) { |
|
for (j=0; j < files.length; j++) { |
|
a.push({name: n, value: files[j], type: el.type}); |
|
} |
|
} |
|
else { |
|
// #180 |
|
a.push({ name: n, value: '', type: el.type }); |
|
} |
|
} |
|
else if (v !== null && typeof v != 'undefined') { |
|
if (elements) |
|
elements.push(el); |
|
a.push({name: n, value: v, type: el.type, required: el.required}); |
|
} |
|
} |
|
|
|
if (!semantic && form.clk) { |
|
// input type=='image' are not found in elements array! handle it here |
|
var $input = $(form.clk), input = $input[0]; |
|
n = input.name; |
|
if (n && !input.disabled && input.type == 'image') { |
|
a.push({name: n, value: $input.val()}); |
|
a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y}); |
|
} |
|
} |
|
return a; |
|
}; |
|
|
|
/** |
|
* Serializes form data into a 'submittable' string. This method will return a string |
|
* in the format: name1=value1&name2=value2 |
|
*/ |
|
$.fn.formSerialize = function(semantic) { |
|
//hand off to jQuery.param for proper encoding |
|
return $.param(this.formToArray(semantic)); |
|
}; |
|
|
|
/** |
|
* Serializes all field elements in the jQuery object into a query string. |
|
* This method will return a string in the format: name1=value1&name2=value2 |
|
*/ |
|
$.fn.fieldSerialize = function(successful) { |
|
var a = []; |
|
this.each(function() { |
|
var n = this.name; |
|
if (!n) { |
|
return; |
|
} |
|
var v = $.fieldValue(this, successful); |
|
if (v && v.constructor == Array) { |
|
for (var i=0,max=v.length; i < max; i++) { |
|
a.push({name: n, value: v[i]}); |
|
} |
|
} |
|
else if (v !== null && typeof v != 'undefined') { |
|
a.push({name: this.name, value: v}); |
|
} |
|
}); |
|
//hand off to jQuery.param for proper encoding |
|
return $.param(a); |
|
}; |
|
|
|
/** |
|
* Returns the value(s) of the element in the matched set. For example, consider the following form: |
|
* |
|
* <form><fieldset> |
|
* <input name="A" type="text" /> |
|
* <input name="A" type="text" /> |
|
* <input name="B" type="checkbox" value="B1" /> |
|
* <input name="B" type="checkbox" value="B2"/> |
|
* <input name="C" type="radio" value="C1" /> |
|
* <input name="C" type="radio" value="C2" /> |
|
* </fieldset></form> |
|
* |
|
* var v = $('input[type=text]').fieldValue(); |
|
* // if no values are entered into the text inputs |
|
* v == ['',''] |
|
* // if values entered into the text inputs are 'foo' and 'bar' |
|
* v == ['foo','bar'] |
|
* |
|
* var v = $('input[type=checkbox]').fieldValue(); |
|
* // if neither checkbox is checked |
|
* v === undefined |
|
* // if both checkboxes are checked |
|
* v == ['B1', 'B2'] |
|
* |
|
* var v = $('input[type=radio]').fieldValue(); |
|
* // if neither radio is checked |
|
* v === undefined |
|
* // if first radio is checked |
|
* v == ['C1'] |
|
* |
|
* The successful argument controls whether or not the field element must be 'successful' |
|
* (per http://www.w3.org/TR/html4/interact/forms.html#successful-controls). |
|
* The default value of the successful argument is true. If this value is false the value(s) |
|
* for each element is returned. |
|
* |
|
* Note: This method *always* returns an array. If no valid value can be determined the |
|
* array will be empty, otherwise it will contain one or more values. |
|
*/ |
|
$.fn.fieldValue = function(successful) { |
|
for (var val=[], i=0, max=this.length; i < max; i++) { |
|
var el = this[i]; |
|
var v = $.fieldValue(el, successful); |
|
if (v === null || typeof v == 'undefined' || (v.constructor == Array && !v.length)) { |
|
continue; |
|
} |
|
if (v.constructor == Array) |
|
$.merge(val, v); |
|
else |
|
val.push(v); |
|
} |
|
return val; |
|
}; |
|
|
|
/** |
|
* Returns the value of the field element. |
|
*/ |
|
$.fieldValue = function(el, successful) { |
|
var n = el.name, t = el.type, tag = el.tagName.toLowerCase(); |
|
if (successful === undefined) { |
|
successful = true; |
|
} |
|
|
|
if (successful && (!n || el.disabled || t == 'reset' || t == 'button' || |
|
(t == 'checkbox' || t == 'radio') && !el.checked || |
|
(t == 'submit' || t == 'image') && el.form && el.form.clk != el || |
|
tag == 'select' && el.selectedIndex == -1)) { |
|
return null; |
|
} |
|
|
|
if (tag == 'select') { |
|
var index = el.selectedIndex; |
|
if (index < 0) { |
|
return null; |
|
} |
|
var a = [], ops = el.options; |
|
var one = (t == 'select-one'); |
|
var max = (one ? index+1 : ops.length); |
|
for(var i=(one ? index : 0); i < max; i++) { |
|
var op = ops[i]; |
|
if (op.selected) { |
|
var v = op.value; |
|
if (!v) { // extra pain for IE... |
|
v = (op.attributes && op.attributes['value'] && !(op.attributes['value'].specified)) ? op.text : op.value; |
|
} |
|
if (one) { |
|
return v; |
|
} |
|
a.push(v); |
|
} |
|
} |
|
return a; |
|
} |
|
return $(el).val(); |
|
}; |
|
|
|
/** |
|
* Clears the form data. Takes the following actions on the form's input fields: |
|
* - input text fields will have their 'value' property set to the empty string |
|
* - select elements will have their 'selectedIndex' property set to -1 |
|
* - checkbox and radio inputs will have their 'checked' property set to false |
|
* - inputs of type submit, button, reset, and hidden will *not* be effected |
|
* - button elements will *not* be effected |
|
*/ |
|
$.fn.clearForm = function(includeHidden) { |
|
return this.each(function() { |
|
$('input,select,textarea', this).clearFields(includeHidden); |
|
}); |
|
}; |
|
|
|
/** |
|
* Clears the selected form elements. |
|
*/ |
|
$.fn.clearFields = $.fn.clearInputs = function(includeHidden) { |
|
var re = /^(?:color|date|datetime|email|month|number|password|range|search|tel|text|time|url|week)$/i; // 'hidden' is not in this list |
|
return this.each(function() { |
|
var t = this.type, tag = this.tagName.toLowerCase(); |
|
if (re.test(t) || tag == 'textarea') { |
|
this.value = ''; |
|
} |
|
else if (t == 'checkbox' || t == 'radio') { |
|
this.checked = false; |
|
} |
|
else if (tag == 'select') { |
|
this.selectedIndex = -1; |
|
} |
|
else if (t == "file") { |
|
if (/MSIE/.test(navigator.userAgent)) { |
|
$(this).replaceWith($(this).clone(true)); |
|
} else { |
|
$(this).val(''); |
|
} |
|
} |
|
else if (includeHidden) { |
|
// includeHidden can be the value true, or it can be a selector string |
|
// indicating a special test; for example: |
|
// $('#myForm').clearForm('.special:hidden') |
|
// the above would clean hidden inputs that have the class of 'special' |
|
if ( (includeHidden === true && /hidden/.test(t)) || |
|
(typeof includeHidden == 'string' && $(this).is(includeHidden)) ) |
|
this.value = ''; |
|
} |
|
}); |
|
}; |
|
|
|
/** |
|
* Resets the form data. Causes all form elements to be reset to their original value. |
|
*/ |
|
$.fn.resetForm = function() { |
|
return this.each(function() { |
|
// guard against an input with the name of 'reset' |
|
// note that IE reports the reset function as an 'object' |
|
if (typeof this.reset == 'function' || (typeof this.reset == 'object' && !this.reset.nodeType)) { |
|
this.reset(); |
|
} |
|
}); |
|
}; |
|
|
|
/** |
|
* Enables or disables any matching elements. |
|
*/ |
|
$.fn.enable = function(b) { |
|
if (b === undefined) { |
|
b = true; |
|
} |
|
return this.each(function() { |
|
this.disabled = !b; |
|
}); |
|
}; |
|
|
|
/** |
|
* Checks/unchecks any matching checkboxes or radio buttons and |
|
* selects/deselects and matching option elements. |
|
*/ |
|
$.fn.selected = function(select) { |
|
if (select === undefined) { |
|
select = true; |
|
} |
|
return this.each(function() { |
|
var t = this.type; |
|
if (t == 'checkbox' || t == 'radio') { |
|
this.checked = select; |
|
} |
|
else if (this.tagName.toLowerCase() == 'option') { |
|
var $sel = $(this).parent('select'); |
|
if (select && $sel[0] && $sel[0].type == 'select-one') { |
|
// deselect all other options |
|
$sel.find('option').selected(false); |
|
} |
|
this.selected = select; |
|
} |
|
}); |
|
}; |
|
|
|
// expose debug var |
|
$.fn.ajaxSubmit.debug = false; |
|
|
|
// helper fn for console logging |
|
function log() { |
|
if (!$.fn.ajaxSubmit.debug) |
|
return; |
|
var msg = '[jquery.form] ' + Array.prototype.join.call(arguments,''); |
|
if (window.console && window.console.log) { |
|
window.console.log(msg); |
|
} |
|
else if (window.opera && window.opera.postError) { |
|
window.opera.postError(msg); |
|
} |
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} |
|
|
|
})(jQuery); |