mirror of https://github.com/zulip/zulip.git
1090 lines
37 KiB
JavaScript
1090 lines
37 KiB
JavaScript
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/*!
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* jQuery Form Plugin
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* version: 3.14 (30-JUL-2012)
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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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* Project repository: https://github.com/malsup/form
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* Dual licensed under the MIT and GPL licenses:
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* http://malsup.github.com/mit-license.txt
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* http://malsup.github.com/gpl-license-v2.txt
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*/
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/*global ActiveXObject alert */
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;(function($) {
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"use strict";
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/*
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Usage Note:
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-----------
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Do not use both ajaxSubmit and ajaxForm on the same form. These
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functions are mutually exclusive. Use ajaxSubmit if you want
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to bind your own submit handler to the form. For example,
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$(document).ready(function() {
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$('#myForm').on('submit', function(e) {
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e.preventDefault(); // <-- important
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$(this).ajaxSubmit({
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target: '#output'
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});
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});
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});
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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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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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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 = $("<input type='file'/>").get(0).files !== undefined;
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feature.formdata = window.FormData !== undefined;
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/**
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* ajaxSubmit() provides a mechanism for immediately submitting
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* an HTML form using AJAX.
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*/
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$.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;
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if (typeof options == 'function') {
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options = { success: options };
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}
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method = this.attr('method');
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action = this.attr('action');
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url = (typeof action === 'string') ? $.trim(action) : '';
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url = url || window.location.href || '';
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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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options = $.extend(true, {
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url: url,
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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'
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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 traditional = options.traditional;
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if ( traditional === undefined ) {
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traditional = $.ajaxSettings.traditional;
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}
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var elements = [];
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var qx, a = this.formToArray(options.semantic, elements);
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if (options.data) {
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options.extraData = options.data;
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qx = $.param(options.data, traditional);
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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, traditional);
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if (qx) {
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q = ( q ? (q + '&' + qx) : qx );
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}
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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 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() { $form.clearForm(options.includeHidden); });
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}
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// perform a load on the target only if dataType is not provided
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if (!options.dataType && options.target) {
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var oldSuccess = options.success || function(){};
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callbacks.push(function(data) {
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var fn = options.replaceTarget ? 'replaceWith' : 'html';
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$(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 || this ; // 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 = $('input:file:enabled[value]', this); // [value] (issue #113)
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var hasFileInputs = fileInputs.length > 0;
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var mp = 'multipart/form-data';
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var multipart = ($form.attr('enctype') == mp || $form.attr('encoding') == mp);
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var fileAPI = feature.fileapi && feature.formdata;
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log("fileAPI :" + fileAPI);
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var shouldUseFrame = (hasFileInputs || multipart) && !fileAPI;
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// options.iframe allows user to force iframe mode
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// 06-NOV-09: now defaulting to iframe mode if file input is detected
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if (options.iframe !== false && (options.iframe || shouldUseFrame)) {
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// hack to fix Safari hang (thanks to Tim Molendijk for this)
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// see: http://groups.google.com/group/jquery-dev/browse_thread/thread/36395b7ab510dd5d
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if (options.closeKeepAlive) {
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$.get(options.closeKeepAlive, function() {
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fileUploadIframe(a);
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});
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}
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else {
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fileUploadIframe(a);
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}
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}
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else if ((hasFileInputs || multipart) && fileAPI) {
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fileUploadXhr(a);
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}
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else {
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$.ajax(options);
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}
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// clear element array
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for (var k=0; k < elements.length; k++)
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elements[k] = null;
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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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// XMLHttpRequest Level 2 file uploads (big hat tip to francois2metz)
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function fileUploadXhr(a) {
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var formdata = new FormData();
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for (var i=0; i < a.length; i++) {
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formdata.append(a[i].name, a[i].value);
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}
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if (options.extraData) {
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for (var p in options.extraData)
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if (options.extraData.hasOwnProperty(p))
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formdata.append(p, options.extraData[p]);
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}
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options.data = null;
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var s = $.extend(true, {}, $.ajaxSettings, options, {
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contentType: false,
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processData: false,
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cache: false,
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type: 'POST'
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});
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if (options.uploadProgress) {
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// workaround because jqXHR does not expose upload property
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s.xhr = function() {
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var xhr = jQuery.ajaxSettings.xhr();
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if (xhr.upload) {
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xhr.upload.onprogress = function(event) {
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var percent = 0;
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var position = event.loaded || event.position; /*event.position is deprecated*/
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var total = event.total;
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if (event.lengthComputable) {
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percent = Math.ceil(position / total * 100);
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}
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options.uploadProgress(event, position, total, percent);
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};
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}
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return xhr;
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};
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}
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s.data = null;
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var beforeSend = s.beforeSend;
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s.beforeSend = function(xhr, o) {
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o.data = formdata;
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if(beforeSend)
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beforeSend.call(this, xhr, o);
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};
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$.ajax(s);
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}
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// private function for handling file uploads (hat tip to YAHOO!)
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function fileUploadIframe(a) {
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var form = $form[0], el, i, s, g, id, $io, io, xhr, sub, n, timedOut, timeoutHandle;
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var useProp = !!$.fn.prop;
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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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if (a) {
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// ensure that every serialized input is still enabled
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for (i=0; i < elements.length; i++) {
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el = $(elements[i]);
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if ( useProp )
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el.prop('disabled', false);
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else
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el.removeAttr('disabled');
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}
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}
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s = $.extend(true, {}, $.ajaxSettings, options);
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s.context = s.context || s;
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id = 'jqFormIO' + (new Date().getTime());
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if (s.iframeTarget) {
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$io = $(s.iframeTarget);
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n = $io.attr('name');
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if (!n)
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$io.attr('name', id);
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else
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id = n;
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}
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else {
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$io = $('<iframe name="' + id + '" src="'+ s.iframeSrc +'" />');
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$io.css({ position: 'absolute', top: '-1000px', left: '-1000px' });
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}
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io = $io[0];
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xhr = { // mock object
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aborted: 0,
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responseText: null,
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responseXML: null,
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status: 0,
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statusText: 'n/a',
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getAllResponseHeaders: function() {},
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getResponseHeader: function() {},
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setRequestHeader: function() {},
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abort: function(status) {
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var e = (status === 'timeout' ? 'timeout' : 'aborted');
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log('aborting upload... ' + e);
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this.aborted = 1;
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// #214
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if (io.contentWindow.document.execCommand) {
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try { // #214
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io.contentWindow.document.execCommand('Stop');
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} catch(ignore) {}
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}
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$io.attr('src', s.iframeSrc); // abort op in progress
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xhr.error = e;
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if (s.error)
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s.error.call(s.context, xhr, e, status);
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if (g)
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$.event.trigger("ajaxError", [xhr, s, e]);
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if (s.complete)
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s.complete.call(s.context, xhr, e);
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}
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};
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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 && 0 === $.active++) {
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$.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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// add submitting element to data if we know it
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sub = form.clk;
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if (sub) {
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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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var CLIENT_TIMEOUT_ABORT = 1;
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var SERVER_ABORT = 2;
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function getDoc(frame) {
|
||
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var doc = frame.contentWindow ? frame.contentWindow.document : frame.contentDocument ? frame.contentDocument : frame.document;
|
||
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return doc;
|
||
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}
|
||
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|
||
|
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// Rails CSRF hack (thanks to Yvan Barthelemy)
|
||
|
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var csrf_token = $('meta[name=csrf-token]').attr('content');
|
||
|
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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.attr('target'), a = $form.attr('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+'">').attr('value',s.extraData[n].value)
|
||
|
|
.appendTo(form)[0]);
|
||
|
|
} else {
|
||
|
|
extraInputs.push(
|
||
|
|
$('<input type="hidden" name="'+n+'">').attr('value',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);
|
||
|
|
form.submit();
|
||
|
|
}
|
||
|
|
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;
|
||
|
|
}
|
||
|
|
try {
|
||
|
|
doc = getDoc(io);
|
||
|
|
}
|
||
|
|
catch(ex) {
|
||
|
|
log('cannot access response document: ', ex);
|
||
|
|
e = SERVER_ABORT;
|
||
|
|
}
|
||
|
|
if (e === CLIENT_TIMEOUT_ABORT && xhr) {
|
||
|
|
xhr.abort('timeout');
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
else if (e == SERVER_ABORT && xhr) {
|
||
|
|
xhr.abort('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 (e) {
|
||
|
|
status = 'parsererror';
|
||
|
|
xhr.error = errMsg = (e || status);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch (e) {
|
||
|
|
log('error caught: ',e);
|
||
|
|
status = 'error';
|
||
|
|
xhr.error = errMsg = (e || 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);
|
||
|
|
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);
|
||
|
|
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;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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(":submit,input:image"))) {
|
||
|
|
// is this a child element of the submit el? (ex: a span within a button)
|
||
|
|
var t = $el.closest(':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) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (semantic && form.clk && el.type == "image") {
|
||
|
|
// handle image inputs on the fly when semantic == true
|
||
|
|
if(!el.disabled && 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' && !el.disabled) {
|
||
|
|
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 = $(':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 = $(':checkbox').fieldValue();
|
||
|
|
* // if neither checkbox is checked
|
||
|
|
* v === undefined
|
||
|
|
* // if both checkboxes are checked
|
||
|
|
* v == ['B1', 'B2']
|
||
|
|
*
|
||
|
|
* var v = $(':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 (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);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
})(jQuery);
|