root / drupal7 / sites / all / modules / jquery_update / replace / misc / jquery.form.js @ fc2c1c7a
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/*!
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* jQuery Form Plugin
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* version: 2.69 (06-APR-2011)
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* @requires jQuery v1.3.2 or later
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*
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* Examples and documentation at: http://malsup.com/jquery/form/
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* Dual licensed under the MIT and GPL licenses:
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* http://www.opensource.org/licenses/mit-license.php
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* http://www.gnu.org/licenses/gpl.html
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*/
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;(function($) { |
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/*
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Usage Note:
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-----------
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Do not use both ajaxSubmit and ajaxForm on the same form. These
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functions are intended to be exclusive. Use ajaxSubmit if you want
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to bind your own submit handler to the form. For example,
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$(document).ready(function() {
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$('#myForm').bind('submit', function(e) {
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e.preventDefault(); // <-- important
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$(this).ajaxSubmit({
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target: '#output'
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});
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});
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});
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Use ajaxForm when you want the plugin to manage all the event binding
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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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});
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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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* 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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// 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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if (typeof options == 'function') { |
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options = { success: options };
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} |
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var action = this.attr('action'); |
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var url = (typeof action === 'string') ? $.trim(action) : ''; |
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if (url) {
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// clean url (don't include hash vaue)
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url = (url.match(/^([^#]+)/)||[])[1]; |
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} |
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url = url || window.location.href || '';
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options = $.extend(true, { |
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url: url,
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success: $.ajaxSettings.success, |
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type: this[0].getAttribute('method') || 'GET', // IE7 massage (see issue 57) |
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iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank' |
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}, options); |
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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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} |
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// provide opportunity to alter form data before it is serialized
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if (options.beforeSerialize && options.beforeSerialize(this, options) === false) { |
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log('ajaxSubmit: submit aborted via beforeSerialize callback');
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return this; |
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} |
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var n,v,a = this.formToArray(options.semantic); |
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if (options.data) {
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options.extraData = options.data; |
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for (n in options.data) { |
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if(options.data[n] instanceof Array) { |
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for (var k in options.data[n]) { |
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a.push( { name: n, value: options.data[n][k] } ); |
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} |
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} |
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else {
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v = options.data[n]; |
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v = $.isFunction(v) ? v() : v; // if value is fn, invoke it |
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a.push( { name: n, value: v } ); |
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} |
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} |
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} |
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// give pre-submit callback an opportunity to abort the submit
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if (options.beforeSubmit && options.beforeSubmit(a, this, options) === false) { |
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log('ajaxSubmit: submit aborted via beforeSubmit callback');
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return this; |
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} |
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// fire vetoable 'validate' event
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this.trigger('form-submit-validate', [a, this, options, veto]); |
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if (veto.veto) {
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log('ajaxSubmit: submit vetoed via form-submit-validate trigger');
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return this; |
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} |
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var q = $.param(a); |
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if (options.type.toUpperCase() == 'GET') { |
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options.url += (options.url.indexOf('?') >= 0 ? '&' : '?') + q; |
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options.data = null; // data is null for 'get' |
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} |
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else {
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options.data = q; // data is the query string for 'post'
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} |
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var $form = this, callbacks = []; |
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if (options.resetForm) {
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callbacks.push(function() { $form.resetForm(); }); |
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} |
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if (options.clearForm) {
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callbacks.push(function() { $form.clearForm(); }); |
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} |
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// perform a load on the target only if dataType is not provided
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if (!options.dataType && options.target) {
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var oldSuccess = options.success || function(){}; |
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callbacks.push(function(data) {
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var fn = options.replaceTarget ? 'replaceWith' : 'html'; |
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$(options.target)[fn](data).each(oldSuccess, arguments); |
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}); |
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} |
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else if (options.success) { |
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callbacks.push(options.success); |
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} |
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options.success = function(data, status, xhr) { // jQuery 1.4+ passes xhr as 3rd arg |
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var context = options.context || options; // jQuery 1.4+ supports scope context |
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for (var i=0, max=callbacks.length; i < max; i++) { |
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callbacks[i].apply(context, [data, status, xhr || $form, $form]); |
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} |
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}; |
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// are there files to upload?
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var fileInputs = $('input:file', this).length > 0; |
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var mp = 'multipart/form-data'; |
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var multipart = ($form.attr('enctype') == mp || $form.attr('encoding') == mp); |
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// options.iframe allows user to force iframe mode
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// 06-NOV-09: now defaulting to iframe mode if file input is detected
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if (options.iframe !== false && (fileInputs || options.iframe || multipart)) { |
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// hack to fix Safari hang (thanks to Tim Molendijk for this)
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// see: http://groups.google.com/group/jquery-dev/browse_thread/thread/36395b7ab510dd5d
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if (options.closeKeepAlive) {
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$.get(options.closeKeepAlive, fileUpload);
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} |
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else {
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fileUpload(); |
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} |
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} |
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else {
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$.ajax(options);
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} |
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// fire 'notify' event
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this.trigger('form-submit-notify', [this, options]); |
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return this; |
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// private function for handling file uploads (hat tip to YAHOO!)
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function fileUpload() { |
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var form = $form[0]; |
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if ($(':input[name=submit],:input[id=submit]', form).length) { |
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// if there is an input with a name or id of 'submit' then we won't be
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// able to invoke the submit fn on the form (at least not x-browser)
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alert('Error: Form elements must not have name or id of "submit".');
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return;
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} |
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var s = $.extend(true, {}, $.ajaxSettings, options); |
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s.context = s.context || s; |
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var id = 'jqFormIO' + (new Date().getTime()), fn = '_'+id; |
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var $io = $('<iframe id="' + id + '" name="' + id + '" src="'+ s.iframeSrc +'" />'); |
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var io = $io[0]; |
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$io.css({ position: 'absolute', top: '-1000px', left: '-1000px' }); |
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var xhr = { // mock object |
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aborted: 0, |
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responseText: null, |
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responseXML: null, |
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status: 0, |
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statusText: 'n/a', |
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getAllResponseHeaders: function() {}, |
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getResponseHeader: function() {}, |
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setRequestHeader: function() {}, |
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abort: function() { |
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log('aborting upload...');
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var e = 'aborted'; |
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this.aborted = 1; |
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$io.attr('src', s.iframeSrc); // abort op in progress |
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xhr.error = e; |
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s.error && s.error.call(s.context, xhr, 'error', e);
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g && $.event.trigger("ajaxError", [xhr, s, e]); |
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s.complete && s.complete.call(s.context, xhr, 'error');
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} |
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}; |
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var g = s.global;
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// trigger ajax global events so that activity/block indicators work like normal
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if (g && ! $.active++) { |
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$.event.trigger("ajaxStart"); |
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} |
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if (g) {
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$.event.trigger("ajaxSend", [xhr, s]); |
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} |
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if (s.beforeSend && s.beforeSend.call(s.context, xhr, s) === false) { |
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if (s.global) {
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$.active--;
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} |
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return;
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} |
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if (xhr.aborted) {
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return;
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} |
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var timedOut = 0; |
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// add submitting element to data if we know it
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var sub = form.clk;
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if (sub) {
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var n = sub.name;
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if (n && !sub.disabled) {
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s.extraData = s.extraData || {}; |
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s.extraData[n] = sub.value; |
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if (sub.type == "image") { |
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s.extraData[n+'.x'] = form.clk_x;
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s.extraData[n+'.y'] = form.clk_y;
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} |
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} |
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} |
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// take a breath so that pending repaints get some cpu time before the upload starts
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function doSubmit() { |
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// make sure form attrs are set
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var t = $form.attr('target'), a = $form.attr('action'); |
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// update form attrs in IE friendly way
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form.setAttribute('target',id);
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if (form.getAttribute('method') != 'POST') { |
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form.setAttribute('method', 'POST'); |
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} |
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if (form.getAttribute('action') != s.url) { |
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form.setAttribute('action', s.url);
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} |
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// ie borks in some cases when setting encoding
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if (! s.skipEncodingOverride) {
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$form.attr({
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encoding: 'multipart/form-data', |
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enctype: 'multipart/form-data' |
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}); |
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} |
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// support timout
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if (s.timeout) {
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setTimeout(function() { timedOut = true; cb(); }, s.timeout); |
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} |
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// add "extra" data to form if provided in options
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var extraInputs = [];
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try {
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if (s.extraData) {
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for (var n in s.extraData) { |
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extraInputs.push( |
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$('<input type="hidden" name="'+n+'" value="'+s.extraData[n]+'" />') |
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.appendTo(form)[0]);
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} |
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} |
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// add iframe to doc and submit the form
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$io.appendTo('body'); |
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io.attachEvent ? io.attachEvent('onload', cb) : io.addEventListener('load', cb, false); |
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form.submit(); |
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} |
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finally {
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// reset attrs and remove "extra" input elements
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form.setAttribute('action',a);
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if(t) {
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form.setAttribute('target', t);
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} else {
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$form.removeAttr('target'); |
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} |
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$(extraInputs).remove();
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} |
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} |
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if (s.forceSync) {
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doSubmit(); |
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} |
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else {
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setTimeout(doSubmit, 10); // this lets dom updates render |
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} |
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var data, doc, domCheckCount = 50; |
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function cb() { |
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if (xhr.aborted) {
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return;
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} |
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var doc = io.contentWindow ? io.contentWindow.document : io.contentDocument ? io.contentDocument : io.document;
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if (!doc || doc.location.href == s.iframeSrc) {
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// response not received yet
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if (!timedOut)
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return;
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} |
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io.detachEvent ? io.detachEvent('onload', cb) : io.removeEventListener('load', cb, false); |
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var ok = true; |
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try {
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if (timedOut) {
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throw 'timeout'; |
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} |
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var isXml = s.dataType == 'xml' || doc.XMLDocument || $.isXMLDoc(doc); |
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log('isXml='+isXml);
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if (!isXml && window.opera && (doc.body == null || doc.body.innerHTML == '')) { |
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if (--domCheckCount) {
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// in some browsers (Opera) the iframe DOM is not always traversable when
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// the onload callback fires, so we loop a bit to accommodate
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log('requeing onLoad callback, DOM not available');
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setTimeout(cb, 250);
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return;
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} |
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// let this fall through because server response could be an empty document
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//log('Could not access iframe DOM after mutiple tries.');
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//throw 'DOMException: not available';
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} |
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//log('response detected');
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xhr.responseText = doc.body ? doc.body.innerHTML : doc.documentElement ? doc.documentElement.innerHTML : null;
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xhr.responseXML = doc.XMLDocument ? doc.XMLDocument : doc; |
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xhr.getResponseHeader = function(header){ |
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var headers = {'content-type': s.dataType}; |
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return headers[header];
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}; |
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var scr = /(json|script)/.test(s.dataType); |
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if (scr || s.textarea) {
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// see if user embedded response in textarea
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var ta = doc.getElementsByTagName('textarea')[0]; |
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if (ta) {
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xhr.responseText = ta.value; |
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} |
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else if (scr) { |
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// account for browsers injecting pre around json response
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var pre = doc.getElementsByTagName('pre')[0]; |
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var b = doc.getElementsByTagName('body')[0]; |
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if (pre) {
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xhr.responseText = pre.textContent; |
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} |
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else if (b) { |
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xhr.responseText = b.innerHTML; |
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} |
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} |
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} |
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else if (s.dataType == 'xml' && !xhr.responseXML && xhr.responseText != null) { |
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xhr.responseXML = toXml(xhr.responseText); |
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} |
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data = httpData(xhr, s.dataType, s); |
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} |
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catch(e){
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log('error caught:',e);
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ok = false;
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xhr.error = e; |
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s.error && s.error.call(s.context, xhr, 'error', e);
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g && $.event.trigger("ajaxError", [xhr, s, e]); |
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} |
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if (xhr.aborted) {
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log('upload aborted');
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ok = false;
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} |
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// ordering of these callbacks/triggers is odd, but that's how $.ajax does it
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if (ok) {
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s.success && s.success.call(s.context, data, 'success', xhr);
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g && $.event.trigger("ajaxSuccess", [xhr, s]); |
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} |
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g && $.event.trigger("ajaxComplete", [xhr, s]); |
406 |
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if (g && ! --$.active) { |
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$.event.trigger("ajaxStop"); |
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} |
410 |
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s.complete && s.complete.call(s.context, xhr, ok ? 'success' : 'error'); |
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|
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// clean up
|
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setTimeout(function() {
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$io.removeData('form-plugin-onload'); |
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$io.remove();
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xhr.responseXML = null;
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}, 100);
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} |
420 |
|
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var toXml = $.parseXML || function(s, doc) { // use parseXML if available (jQuery 1.5+) |
422 |
if (window.ActiveXObject) {
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doc = new ActiveXObject('Microsoft.XMLDOM'); |
424 |
doc.async = 'false';
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doc.loadXML(s); |
426 |
} |
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else {
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doc = (new DOMParser()).parseFromString(s, 'text/xml'); |
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} |
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return (doc && doc.documentElement && doc.documentElement.nodeName != 'parsererror') ? doc : null; |
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}; |
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var parseJSON = $.parseJSON || function(s) { |
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return window['eval']('(' + s + ')'); |
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}; |
435 |
|
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var httpData = function( xhr, type, s ) { // mostly lifted from jq1.4.4 |
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var ct = xhr.getResponseHeader('content-type') || '', |
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xml = type === 'xml' || !type && ct.indexOf('xml') >= 0, |
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data = xml ? xhr.responseXML : xhr.responseText; |
440 |
|
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if (xml && data.documentElement.nodeName === 'parsererror') { |
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$.error && $.error('parsererror'); |
443 |
} |
444 |
if (s && s.dataFilter) {
|
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data = s.dataFilter(data, type); |
446 |
} |
447 |
if (typeof data === 'string') { |
448 |
if (type === 'json' || !type && ct.indexOf('json') >= 0) { |
449 |
data = parseJSON(data); |
450 |
} else if (type === "script" || !type && ct.indexOf("javascript") >= 0) { |
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$.globalEval(data);
|
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} |
453 |
} |
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return data;
|
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}; |
456 |
} |
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}; |
458 |
|
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/**
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* ajaxForm() provides a mechanism for fully automating form submission.
|
461 |
*
|
462 |
* The advantages of using this method instead of ajaxSubmit() are:
|
463 |
*
|
464 |
* 1: This method will include coordinates for <input type="image" /> elements (if the element
|
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* is used to submit the form).
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* 2. This method will include the submit element's name/value data (for the element that was
|
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* used to submit the form).
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* 3. This method binds the submit() method to the form for you.
|
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*
|
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* The options argument for ajaxForm works exactly as it does for ajaxSubmit. ajaxForm merely
|
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* passes the options argument along after properly binding events for submit elements and
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* the form itself.
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*/
|
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$.fn.ajaxForm = function(options) { |
475 |
// in jQuery 1.3+ we can fix mistakes with the ready state
|
476 |
if (this.length === 0) { |
477 |
var o = { s: this.selector, c: this.context }; |
478 |
if (!$.isReady && o.s) { |
479 |
log('DOM not ready, queuing ajaxForm');
|
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$(function() { |
481 |
$(o.s,o.c).ajaxForm(options);
|
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}); |
483 |
return this; |
484 |
} |
485 |
// is your DOM ready? http://docs.jquery.com/Tutorials:Introducing_$(document).ready()
|
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log('terminating; zero elements found by selector' + ($.isReady ? '' : ' (DOM not ready)')); |
487 |
return this; |
488 |
} |
489 |
|
490 |
return this.ajaxFormUnbind().bind('submit.form-plugin', function(e) { |
491 |
if (!e.isDefaultPrevented()) { // if event has been canceled, don't proceed |
492 |
e.preventDefault(); |
493 |
$(this).ajaxSubmit(options); |
494 |
} |
495 |
}).bind('click.form-plugin', function(e) { |
496 |
var target = e.target;
|
497 |
var $el = $(target); |
498 |
if (!($el.is(":submit,input:image"))) { |
499 |
// is this a child element of the submit el? (ex: a span within a button)
|
500 |
var t = $el.closest(':submit'); |
501 |
if (t.length == 0) { |
502 |
return;
|
503 |
} |
504 |
target = t[0];
|
505 |
} |
506 |
var form = this; |
507 |
form.clk = target; |
508 |
if (target.type == 'image') { |
509 |
if (e.offsetX != undefined) { |
510 |
form.clk_x = e.offsetX; |
511 |
form.clk_y = e.offsetY; |
512 |
} else if (typeof $.fn.offset == 'function') { // try to use dimensions plugin |
513 |
var offset = $el.offset(); |
514 |
form.clk_x = e.pageX - offset.left; |
515 |
form.clk_y = e.pageY - offset.top; |
516 |
} else {
|
517 |
form.clk_x = e.pageX - target.offsetLeft; |
518 |
form.clk_y = e.pageY - target.offsetTop; |
519 |
} |
520 |
} |
521 |
// clear form vars
|
522 |
setTimeout(function() { form.clk = form.clk_x = form.clk_y = null; }, 100); |
523 |
}); |
524 |
}; |
525 |
|
526 |
// ajaxFormUnbind unbinds the event handlers that were bound by ajaxForm
|
527 |
$.fn.ajaxFormUnbind = function() { |
528 |
return this.unbind('submit.form-plugin click.form-plugin'); |
529 |
}; |
530 |
|
531 |
/**
|
532 |
* formToArray() gathers form element data into an array of objects that can
|
533 |
* be passed to any of the following ajax functions: $.get, $.post, or load.
|
534 |
* Each object in the array has both a 'name' and 'value' property. An example of
|
535 |
* an array for a simple login form might be:
|
536 |
*
|
537 |
* [ { name: 'username', value: 'jresig' }, { name: 'password', value: 'secret' } ]
|
538 |
*
|
539 |
* It is this array that is passed to pre-submit callback functions provided to the
|
540 |
* ajaxSubmit() and ajaxForm() methods.
|
541 |
*/
|
542 |
$.fn.formToArray = function(semantic) { |
543 |
var a = [];
|
544 |
if (this.length === 0) { |
545 |
return a;
|
546 |
} |
547 |
|
548 |
var form = this[0]; |
549 |
var els = semantic ? form.getElementsByTagName('*') : form.elements; |
550 |
if (!els) {
|
551 |
return a;
|
552 |
} |
553 |
|
554 |
var i,j,n,v,el,max,jmax;
|
555 |
for(i=0, max=els.length; i < max; i++) { |
556 |
el = els[i]; |
557 |
n = el.name; |
558 |
if (!n) {
|
559 |
continue;
|
560 |
} |
561 |
|
562 |
if (semantic && form.clk && el.type == "image") { |
563 |
// handle image inputs on the fly when semantic == true
|
564 |
if(!el.disabled && form.clk == el) {
|
565 |
a.push({name: n, value: $(el).val()}); |
566 |
a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y}); |
567 |
} |
568 |
continue;
|
569 |
} |
570 |
|
571 |
v = $.fieldValue(el, true); |
572 |
if (v && v.constructor == Array) {
|
573 |
for(j=0, jmax=v.length; j < jmax; j++) { |
574 |
a.push({name: n, value: v[j]}); |
575 |
} |
576 |
} |
577 |
else if (v !== null && typeof v != 'undefined') { |
578 |
a.push({name: n, value: v}); |
579 |
} |
580 |
} |
581 |
|
582 |
if (!semantic && form.clk) {
|
583 |
// input type=='image' are not found in elements array! handle it here
|
584 |
var $input = $(form.clk), input = $input[0]; |
585 |
n = input.name; |
586 |
if (n && !input.disabled && input.type == 'image') { |
587 |
a.push({name: n, value: $input.val()}); |
588 |
a.push({name: n+'.x', value: form.clk_x}, {name: n+'.y', value: form.clk_y}); |
589 |
} |
590 |
} |
591 |
return a;
|
592 |
}; |
593 |
|
594 |
/**
|
595 |
* Serializes form data into a 'submittable' string. This method will return a string
|
596 |
* in the format: name1=value1&name2=value2
|
597 |
*/
|
598 |
$.fn.formSerialize = function(semantic) { |
599 |
//hand off to jQuery.param for proper encoding
|
600 |
return $.param(this.formToArray(semantic)); |
601 |
}; |
602 |
|
603 |
/**
|
604 |
* Serializes all field elements in the jQuery object into a query string.
|
605 |
* This method will return a string in the format: name1=value1&name2=value2
|
606 |
*/
|
607 |
$.fn.fieldSerialize = function(successful) { |
608 |
var a = [];
|
609 |
this.each(function() { |
610 |
var n = this.name; |
611 |
if (!n) {
|
612 |
return;
|
613 |
} |
614 |
var v = $.fieldValue(this, successful); |
615 |
if (v && v.constructor == Array) {
|
616 |
for (var i=0,max=v.length; i < max; i++) { |
617 |
a.push({name: n, value: v[i]}); |
618 |
} |
619 |
} |
620 |
else if (v !== null && typeof v != 'undefined') { |
621 |
a.push({name: this.name, value: v}); |
622 |
} |
623 |
}); |
624 |
//hand off to jQuery.param for proper encoding
|
625 |
return $.param(a); |
626 |
}; |
627 |
|
628 |
/**
|
629 |
* Returns the value(s) of the element in the matched set. For example, consider the following form:
|
630 |
*
|
631 |
* <form><fieldset>
|
632 |
* <input name="A" type="text" />
|
633 |
* <input name="A" type="text" />
|
634 |
* <input name="B" type="checkbox" value="B1" />
|
635 |
* <input name="B" type="checkbox" value="B2"/>
|
636 |
* <input name="C" type="radio" value="C1" />
|
637 |
* <input name="C" type="radio" value="C2" />
|
638 |
* </fieldset></form>
|
639 |
*
|
640 |
* var v = $(':text').fieldValue();
|
641 |
* // if no values are entered into the text inputs
|
642 |
* v == ['','']
|
643 |
* // if values entered into the text inputs are 'foo' and 'bar'
|
644 |
* v == ['foo','bar']
|
645 |
*
|
646 |
* var v = $(':checkbox').fieldValue();
|
647 |
* // if neither checkbox is checked
|
648 |
* v === undefined
|
649 |
* // if both checkboxes are checked
|
650 |
* v == ['B1', 'B2']
|
651 |
*
|
652 |
* var v = $(':radio').fieldValue();
|
653 |
* // if neither radio is checked
|
654 |
* v === undefined
|
655 |
* // if first radio is checked
|
656 |
* v == ['C1']
|
657 |
*
|
658 |
* The successful argument controls whether or not the field element must be 'successful'
|
659 |
* (per http://www.w3.org/TR/html4/interact/forms.html#successful-controls).
|
660 |
* The default value of the successful argument is true. If this value is false the value(s)
|
661 |
* for each element is returned.
|
662 |
*
|
663 |
* Note: This method *always* returns an array. If no valid value can be determined the
|
664 |
* array will be empty, otherwise it will contain one or more values.
|
665 |
*/
|
666 |
$.fn.fieldValue = function(successful) { |
667 |
for (var val=[], i=0, max=this.length; i < max; i++) { |
668 |
var el = this[i]; |
669 |
var v = $.fieldValue(el, successful); |
670 |
if (v === null || typeof v == 'undefined' || (v.constructor == Array && !v.length)) { |
671 |
continue;
|
672 |
} |
673 |
v.constructor == Array ? $.merge(val, v) : val.push(v);
|
674 |
} |
675 |
return val;
|
676 |
}; |
677 |
|
678 |
/**
|
679 |
* Returns the value of the field element.
|
680 |
*/
|
681 |
$.fieldValue = function(el, successful) { |
682 |
var n = el.name, t = el.type, tag = el.tagName.toLowerCase();
|
683 |
if (successful === undefined) { |
684 |
successful = true;
|
685 |
} |
686 |
|
687 |
if (successful && (!n || el.disabled || t == 'reset' || t == 'button' || |
688 |
(t == 'checkbox' || t == 'radio') && !el.checked || |
689 |
(t == 'submit' || t == 'image') && el.form && el.form.clk != el || |
690 |
tag == 'select' && el.selectedIndex == -1)) { |
691 |
return null; |
692 |
} |
693 |
|
694 |
if (tag == 'select') { |
695 |
var index = el.selectedIndex;
|
696 |
if (index < 0) { |
697 |
return null; |
698 |
} |
699 |
var a = [], ops = el.options;
|
700 |
var one = (t == 'select-one'); |
701 |
var max = (one ? index+1 : ops.length); |
702 |
for(var i=(one ? index : 0); i < max; i++) { |
703 |
var op = ops[i];
|
704 |
if (op.selected) {
|
705 |
var v = op.value;
|
706 |
if (!v) { // extra pain for IE... |
707 |
v = (op.attributes && op.attributes['value'] && !(op.attributes['value'].specified)) ? op.text : op.value; |
708 |
} |
709 |
if (one) {
|
710 |
return v;
|
711 |
} |
712 |
a.push(v); |
713 |
} |
714 |
} |
715 |
return a;
|
716 |
} |
717 |
return $(el).val(); |
718 |
}; |
719 |
|
720 |
/**
|
721 |
* Clears the form data. Takes the following actions on the form's input fields:
|
722 |
* - input text fields will have their 'value' property set to the empty string
|
723 |
* - select elements will have their 'selectedIndex' property set to -1
|
724 |
* - checkbox and radio inputs will have their 'checked' property set to false
|
725 |
* - inputs of type submit, button, reset, and hidden will *not* be effected
|
726 |
* - button elements will *not* be effected
|
727 |
*/
|
728 |
$.fn.clearForm = function() { |
729 |
return this.each(function() { |
730 |
$('input,select,textarea', this).clearFields(); |
731 |
}); |
732 |
}; |
733 |
|
734 |
/**
|
735 |
* Clears the selected form elements.
|
736 |
*/
|
737 |
$.fn.clearFields = $.fn.clearInputs = function() { |
738 |
return this.each(function() { |
739 |
var t = this.type, tag = this.tagName.toLowerCase(); |
740 |
if (t == 'text' || t == 'password' || tag == 'textarea') { |
741 |
this.value = ''; |
742 |
} |
743 |
else if (t == 'checkbox' || t == 'radio') { |
744 |
this.checked = false; |
745 |
} |
746 |
else if (tag == 'select') { |
747 |
this.selectedIndex = -1; |
748 |
} |
749 |
}); |
750 |
}; |
751 |
|
752 |
/**
|
753 |
* Resets the form data. Causes all form elements to be reset to their original value.
|
754 |
*/
|
755 |
$.fn.resetForm = function() { |
756 |
return this.each(function() { |
757 |
// guard against an input with the name of 'reset'
|
758 |
// note that IE reports the reset function as an 'object'
|
759 |
if (typeof this.reset == 'function' || (typeof this.reset == 'object' && !this.reset.nodeType)) { |
760 |
this.reset();
|
761 |
} |
762 |
}); |
763 |
}; |
764 |
|
765 |
/**
|
766 |
* Enables or disables any matching elements.
|
767 |
*/
|
768 |
$.fn.enable = function(b) { |
769 |
if (b === undefined) { |
770 |
b = true;
|
771 |
} |
772 |
return this.each(function() { |
773 |
this.disabled = !b;
|
774 |
}); |
775 |
}; |
776 |
|
777 |
/**
|
778 |
* Checks/unchecks any matching checkboxes or radio buttons and
|
779 |
* selects/deselects and matching option elements.
|
780 |
*/
|
781 |
$.fn.selected = function(select) { |
782 |
if (select === undefined) { |
783 |
select = true;
|
784 |
} |
785 |
return this.each(function() { |
786 |
var t = this.type; |
787 |
if (t == 'checkbox' || t == 'radio') { |
788 |
this.checked = select;
|
789 |
} |
790 |
else if (this.tagName.toLowerCase() == 'option') { |
791 |
var $sel = $(this).parent('select'); |
792 |
if (select && $sel[0] && $sel[0].type == 'select-one') { |
793 |
// deselect all other options
|
794 |
$sel.find('option').selected(false); |
795 |
} |
796 |
this.selected = select;
|
797 |
} |
798 |
}); |
799 |
}; |
800 |
|
801 |
// helper fn for console logging
|
802 |
// set $.fn.ajaxSubmit.debug to true to enable debug logging
|
803 |
function log() { |
804 |
if ($.fn.ajaxSubmit.debug) { |
805 |
var msg = '[jquery.form] ' + Array.prototype.join.call(arguments,''); |
806 |
if (window.console && window.console.log) {
|
807 |
window.console.log(msg); |
808 |
} |
809 |
else if (window.opera && window.opera.postError) { |
810 |
window.opera.postError(msg); |
811 |
} |
812 |
} |
813 |
}; |
814 |
|
815 |
})(jQuery); |