https://carraracafe.com/wp-content/plugins/wp-symposium/js/jquery.…?ver=4a29849dc0c31a34a30dc7685df0c5d9

1/*
2 * jQuery Iframe Transport Plugin 1.6.1
3 * https://github.com/blueimp/jQuery-File-Upload
4 *
5 * Copyright 2011, Sebastian Tschan
6 * https://blueimp.net
7 *
8 * Licensed under the MIT license:
9 * http://www.opensource.org/licenses/MIT
10 */
11
12/*jslint unparam: true, nomen: true */
13/*global define, window, document */
14
15(function (factory) {
16    'use strict';
17    if (typeof define === 'function' && define.amd) {
18        // Register as an anonymous AMD module:
19        define(['jquery'], factory);
20    } else {
21        // Browser globals:
22        factory(window.jQuery);
23    }
24}(function ($) {
25    'use strict';
26
27    // Helper variable to create unique names for the transport iframes:
28    var counter = 0;
29
30    // The iframe transport accepts three additional options:
31    // options.fileInput: a jQuery collection of file input fields
32    // options.paramName: the parameter name for the file form data,
33    //  overrides the name property of the file input field(s),
34    //  can be a string or an array of strings.
35    // options.formData: an array of objects with name and value properties,
36    //  equivalent to the return data of .serializeArray(), e.g.:
37    //  [{name: 'a', value: 1}, {name: 'b', value: 2}]
38    $.ajaxTransport('iframe', function (options) {
39        if (options.async) {
40            var form,
41                iframe,
42                addParamChar;
43            return {
44                send: function (_, completeCallback) {
45                    form = $('<form style="display:none;"></form>');
46                    form.attr('accept-charset', options.formAcceptCharset);
47                    addParamChar = /\?/.test(options.url) ? '&' : '?';
48                    // XDomainRequest only supports GET and POST:
49                    if (options.type === 'DELETE') {
50                        options.url = options.url + addParamChar + '_method=DELETE';
51                        options.type = 'POST';
52                    } else if (options.type === 'PUT') {
53                        options.url = options.url + addParamChar + '_method=PUT';
54                        options.type = 'POST';
55                    } else if (options.type === 'PATCH') {
56                        options.url = options.url + addParamChar + '_method=PATCH';
57                        options.type = 'POST';
58                    }
59                    // javascript:false as initial iframe src
60                    // prevents warning popups on HTTPS in IE6.
61                    // IE versions below IE8 cannot set the name property of
62                    // elements that have already been added to the DOM,
63                    // so we set the name along with the iframe HTML markup:
64                    iframe = $(
65                        '<iframe src="javascript:false;" name="iframe-transport-' +
66                            (counter += 1) + '"></iframe>'
67                    ).bind('load', function () {
68                        var fileInputClones,
69                            paramNames = $.isArray(options.paramName) ?
70                                    options.paramName : [options.paramName];
71                        iframe
72                            .unbind('load')
73                            .bind('load', function () {
74                                var response;
75                                // Wrap in a try/catch block to catch exceptions thrown
76                                // when trying to access cross-domain iframe contents:
77                                try {
78                                    response = iframe.contents();
79                                    // Google Chrome and Firefox do not throw an
80                                    // exception when calling iframe.contents() on
81                                    // cross-domain requests, so we unify the response:
82                                    if (!response.length || !response[0].firstChild) {
83                                        throw new Error();
84                                    }
85                                } catch (e) {
86                                    response = undefined;
87                                }
88                                // The complete callback returns the
89                                // iframe content document as response object:
90                                completeCallback(
91                                    200,
92                                    'success',
93                                    {'iframe': response}
94                                );
95                                // Fix for IE endless progress bar activity bug
96                                // (happens on form submits to iframe targets):
97                                $('<iframe src="javascript:false;"></iframe>')
98                                    .appendTo(form);
99                                form.remove();
100                            });
101                        form
102                            .prop('target', iframe.prop('name'))
103                            .prop('action', options.url)
104                            .prop('method', options.type);
105                        if (options.formData) {
106                            $.each(options.formData, function (index, field) {
107                                $('<input type="hidden"/>')
108                                    .prop('name', field.name)
109                                    .val(field.value)
110                                    .appendTo(form);
111                            });
112                        }
113                        if (options.fileInput && options.fileInput.length &&
114                                options.type === 'POST') {
115                            fileInputClones = options.fileInput.clone();
116                            // Insert a clone for each file input field:
117                            options.fileInput.after(function (index) {
118                                return fileInputClones[index];
119                            });
120                            if (options.paramName) {
121                                options.fileInput.each(function (index) {
122                                    $(this).prop(
123                                        'name',
124                                        paramNames[index] || options.paramName
125                                    );
126                                });
127                            }
128                            // Appending the file input fields to the hidden form
129                            // removes them from their original location:
130                            form
131                                .append(options.fileInput)
132                                .prop('enctype', 'multipart/form-data')
133                                // enctype must be set as encoding for IE:
134                                .prop('encoding', 'multipart/form-data');
135                        }
136                        form.submit();
137                        // Insert the file input fields at their original location
138                        // by replacing the clones with the originals:
139                        if (fileInputClones && fileInputClones.length) {
140                            options.fileInput.each(function (index, input) {
141                                var clone = $(fileInputClones[index]);
142                                $(input).prop('name', clone.prop('name'));
143                                clone.replaceWith(input);
144                            });
145                        }
146                    });
147                    form.append(iframe).appendTo(document.body);
148                },
149                abort: function () {
150                    if (iframe) {
151                        // javascript:false as iframe src aborts the request
152                        // and prevents warning popups on HTTPS in IE6.
153                        // concat is used to avoid the "Script URL" JSLint error:
154                        iframe
155                            .unbind('load')
156                            .prop('src', 'javascript'.concat(':false;'));
157                    }
158                    if (form) {
159                        form.remove();
160                    }
161                }
162            };
163        }
164    });
165
166    // The iframe transport returns the iframe content document as response.
167    // The following adds converters from iframe to text, json, html, and script:
168    $.ajaxSetup({
169        converters: {
170            'iframe text': function (iframe) {
171                return iframe && $(iframe[0].body).text();
172            },
173            'iframe json': function (iframe) {
174                return iframe && $.parseJSON($(iframe[0].body).text());
175            },
176            'iframe html': function (iframe) {
177                return iframe && $(iframe[0].body).html();
178            },
179            'iframe script': function (iframe) {
180                return iframe && $.globalEval($(iframe[0].body).text());
181            }
182        }
183    });
184
185}));