https://cdn.nationaldirectory.com.au/templates/searchandgo/blueimp…/js/jquery.iframe-transport.js

1/*
2 * jQuery Iframe Transport Plugin 1.8.3
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/* global define, require, window, document */
13
14(function (factory) {
15    'use strict';
16    if (typeof define === 'function' && define.amd) {
17        // Register as an anonymous AMD module:
18        define(['jquery'], factory);
19    } else if (typeof exports === 'object') {
20        // Node/CommonJS:
21        factory(require('jquery'));
22    } else {
23        // Browser globals:
24        factory(window.jQuery);
25    }
26}(function ($) {
27    'use strict';
28
29    // Helper variable to create unique names for the transport iframes:
30    var counter = 0;
31
32    // The iframe transport accepts four additional options:
33    // options.fileInput: a jQuery collection of file input fields
34    // options.paramName: the parameter name for the file form data,
35    //  overrides the name property of the file input field(s),
36    //  can be a string or an array of strings.
37    // options.formData: an array of objects with name and value properties,
38    //  equivalent to the return data of .serializeArray(), e.g.:
39    //  [{name: 'a', value: 1}, {name: 'b', value: 2}]
40    // options.initialIframeSrc: the URL of the initial iframe src,
41    //  by default set to "javascript:false;"
42    $.ajaxTransport('iframe', function (options) {
43        if (options.async) {
44            // javascript:false as initial iframe src
45            // prevents warning popups on HTTPS in IE6:
46            /*jshint scripturl: true */
47            var initialIframeSrc = options.initialIframeSrc || 'javascript:false;',
48            /*jshint scripturl: false */
49                form,
50                iframe,
51                addParamChar;
52            return {
53                send: function (_, completeCallback) {
54                    form = $('<form style="display:none;"></form>');
55                    form.attr('accept-charset', options.formAcceptCharset);
56                    addParamChar = /\?/.test(options.url) ? '&' : '?';
57                    // XDomainRequest only supports GET and POST:
58                    if (options.type === 'DELETE') {
59                        options.url = options.url + addParamChar + '_method=DELETE';
60                        options.type = 'POST';
61                    } else if (options.type === 'PUT') {
62                        options.url = options.url + addParamChar + '_method=PUT';
63                        options.type = 'POST';
64                    } else if (options.type === 'PATCH') {
65                        options.url = options.url + addParamChar + '_method=PATCH';
66                        options.type = 'POST';
67                    }
68                    // IE versions below IE8 cannot set the name property of
69                    // elements that have already been added to the DOM,
70                    // so we set the name along with the iframe HTML markup:
71                    counter += 1;
72                    iframe = $(
73                        '<iframe src="' + initialIframeSrc +
74                            '" name="iframe-transport-' + counter + '"></iframe>'
75                    ).bind('load', function () {
76                        var fileInputClones,
77                            paramNames = $.isArray(options.paramName) ?
78                                    options.paramName : [options.paramName];
79                        iframe
80                            .unbind('load')
81                            .bind('load', function () {
82                                var response;
83                                // Wrap in a try/catch block to catch exceptions thrown
84                                // when trying to access cross-domain iframe contents:
85                                try {
86                                    response = iframe.contents();
87                                    // Google Chrome and Firefox do not throw an
88                                    // exception when calling iframe.contents() on
89                                    // cross-domain requests, so we unify the response:
90                                    if (!response.length || !response[0].firstChild) {
91                                        throw new Error();
92                                    }
93                                } catch (e) {
94                                    response = undefined;
95                                }
96                                // The complete callback returns the
97                                // iframe content document as response object:
98                                completeCallback(
99                                    200,
100                                    'success',
101                                    {'iframe': response}
102                                );
103                                // Fix for IE endless progress bar activity bug
104                                // (happens on form submits to iframe targets):
105                                $('<iframe src="' + initialIframeSrc + '"></iframe>')
106                                    .appendTo(form);
107                                window.setTimeout(function () {
108                                    // Removing the form in a setTimeout call
109                                    // allows Chrome's developer tools to display
110                                    // the response result
111                                    form.remove();
112                                }, 0);
113                            });
114                        form
115                            .prop('target', iframe.prop('name'))
116                            .prop('action', options.url)
117                            .prop('method', options.type);
118                        if (options.formData) {
119                            $.each(options.formData, function (index, field) {
120                                $('<input type="hidden"/>')
121                                    .prop('name', field.name)
122                                    .val(field.value)
123                                    .appendTo(form);
124                            });
125                        }
126                        if (options.fileInput && options.fileInput.length &&
127                                options.type === 'POST') {
128                            fileInputClones = options.fileInput.clone();
129                            // Insert a clone for each file input field:
130                            options.fileInput.after(function (index) {
131                                return fileInputClones[index];
132                            });
133                            if (options.paramName) {
134                                options.fileInput.each(function (index) {
135                                    $(this).prop(
136                                        'name',
137                                        paramNames[index] || options.paramName
138                                    );
139                                });
140                            }
141                            // Appending the file input fields to the hidden form
142                            // removes them from their original location:
143                            form
144                                .append(options.fileInput)
145                                .prop('enctype', 'multipart/form-data')
146                                // enctype must be set as encoding for IE:
147                                .prop('encoding', 'multipart/form-data');
148                            // Remove the HTML5 form attribute from the input(s):
149                            options.fileInput.removeAttr('form');
150                        }
151                        form.submit();
152                        // Insert the file input fields at their original location
153                        // by replacing the clones with the originals:
154                        if (fileInputClones && fileInputClones.length) {
155                            options.fileInput.each(function (index, input) {
156                                var clone = $(fileInputClones[index]);
157                                // Restore the original name and form properties:
158                                $(input)
159                                    .prop('name', clone.prop('name'))
160                                    .attr('form', clone.attr('form'));

161                                clone.replaceWith(input);
162                            });
163                        }
164                    });
165                    form.append(iframe).appendTo(document.body);
166                },
167                abort: function () {
168                    if (iframe) {
169                        // javascript:false as iframe src aborts the request
170                        // and prevents warning popups on HTTPS in IE6.
171                        // concat is used to avoid the "Script URL" JSLint error:
172                        iframe
173                            .unbind('load')
174                            .prop('src', initialIframeSrc);
175                    }
176                    if (form) {
177                        form.remove();
178                    }
179                }
180            };
181        }
182    });
183
184    // The iframe transport returns the iframe content document as response.
185    // The following adds converters from iframe to text, json, html, xml
186    // and script.
187    // Please note that the Content-Type for JSON responses has to be text/plain
188    // or text/html, if the browser doesn't include application/json in the
189    // Accept header, else IE will show a download dialog.
190    // The Content-Type for XML responses on the other hand has to be al

190ways
191    // application/xml or text/xml, so IE properly parses the XML response.
192    // See also
193    // https://github.com/blueimp/jQuery-File-Upload/wiki/Setup#content-type-negotiation
194    $.ajaxSetup({
195        converters: {
196            'iframe text': function (iframe) {
197                return iframe && $(iframe[0].body).text();
198            },
199            'iframe json': function (iframe) {
200                return iframe && $.parseJSON($(iframe[0].body).text());
201            },
202            'iframe html': function (iframe) {
203                return iframe && $(iframe[0].body).html();
204            },
205            'iframe xml': function (iframe) {
206                var xmlDoc = iframe && iframe[0];
207                return xmlDoc && $.isXMLDoc(xmlDoc) ? xmlDoc :
208                        $.parseXML((xmlDoc.XMLDocument && xmlDoc.XMLDocument.xml) ||
209                            $(xmlDoc.body).html());
210            },
211            'iframe script': function (iframe) {
212                return iframe && $.globalEval($(iframe[0].body).text());
213            }
214        }
215    });
216
217}));