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jQuery Iframe Transport Plugin 1.4\r\n* https://github.com/blueimp/jQuery-File-Upload\r\n*\r\n* Copyright 2011, Sebastian Tschan\r\n* https://blueimp.net\r\n*\r\n* Licensed under the MIT license:\r\n* http://www.opensource.org/licenses/MIT\r\n*/\r\n\r\n/*jslint unparam: true, nomen: true */\r\n/*global define, window, document */\r\n\r\n(function (factory) {\r\n    'use strict';\r\n    if (typeof define === 'function' && define.amd) {\r\n        // Register as an anonymous AMD module:\r\n        define(['jquery'], factory);\r\n    } else {\r\n        // Browser globals:\r\n        factory(window.jQuery);\r\n    }\r\n} (function ($) {\r\n    'use strict';\r\n\r\n    // Helper variable to create unique names for the transport iframes:\r\n    var counter = 0;\r\n\r\n    // The iframe transport accepts three additional options:\r\n    // options.fileInput: a jQuery collection of file input fields\r\n    // options.paramName: the parameter name for the file form data,\r\n    //  overrides the name property of the file input field(s),\r\n    //  can be a string or an array of strings.\r\n    // options.formData: an array of objects with name and value properties,\r\n    //  equivalent to the return data of .serializeArray(), e.g.:\r\n    //  [{name: 'a', value: 1}, {name: 'b', value: 2}]\r\n    $.ajaxTransport('iframe', function (options) {\r\n        if (options.async && (options.type === 'POST' || options.type === 'GET')) {\r\n            var form,\r\n                iframe;\r\n            return {\r\n                send: function (_, completeCallback) {\r\n                    form = $('<form style=\"display:none;\"></form>');\r\n                    // javascript:false as initial iframe src\r\n                    // prevents warning popups on HTTPS in IE6.\r\n                    // IE versions below IE8 cannot set the name property of\r\n                    // elements that have already been added to the DOM,\r\n                    // so we set the name along with the iframe HTML markup:\r\n                    iframe = $(\r\n                        '<iframe src=\"javascript:false;\" name=\"iframe-transport-' +\r\n                            (counter += 1) + '\"></iframe>'\r\n                    ).bind('load', function () {\r\n                        var fileInputClones,\r\n                            paramNames = $.isArray(options.paramName) ?\r\n                                    options.paramName : [options.paramName];\r\n                        iframe\r\n                            .unbind('load')\r\n                            .bind('load', function () {\r\n                                var response;\r\n                                // Wrap in a try/catch block to catch exceptions thrown\r\n                                // when trying to access cross-domain iframe contents:\r\n                                try {\r\n                                    response = iframe.contents();\r\n                                    // Google Chrome and Firefox do not throw an\r\n                                    // exception when calling iframe.contents() on\r\n                                    // cross-domain requests, so we unify the response:\r\n                                    if (!response.length || !response[0].firstChild) {\r\n                                        throw new Error();\r\n                                    }\r\n                                } catch (e) {\r\n                                    response = undefined;\r\n                                }\r\n                                // The complete callback returns the\r\n                                // iframe content document as response object:\r\n                                completeCallback(\r\n                                    200,\r\n                                    'success',\r\n                                    { 'iframe': response }\r\n                                );\r\n                                // Fix for IE endless progress bar activity bug\r\n                                // (happens on form submits to iframe targets):\r\n                                $('<iframe src=\"javascript:false;\"></iframe>')\r\n                                    .appendTo(form);\r\n                                form.remove();\r\n                            });\r\n                        form\r\n                            .prop('target', iframe.prop('name'))\r\n                            .prop('action', options.url)\r\n                            .prop('method', options.type);\r\n                        if (options.formData) {\r\n                            $.each(options.formData, function (index, field) {\r\n                                $('<input type=\"hidden\"/>')\r\n                                    .prop('name', field.name)\r\n                                    .val(field.value)\r\n                                    .appendTo(form);\r\n                            });\r\n                        }\r\n                        if (options.fileInput && options.fileInput.length &&\r\n                                options.type === 'POST') {\r\n                            fileInputClones = options.fileInput.clone();\r\n                            // Insert a clone for each file input field:\r\n                            options.fileInput.after(function (index) {\r\n                                return fileInputClones[index];\r\n                            });\r\n                            if (options.paramName) {\r\n                                options.fileInput.each(function (index) {\r\n                                    $(this).prop(\r\n                                        'name',\r\n                                        paramNames[index] || options.paramName\r\n                                    );\r\n                                });\r\n                            }\r\n                            // Appending the file input fields to the hidden form\r\n                            // removes them from their original location:\r\n                            form\r\n                                .append(options.fileInput)\r\n                                .prop('enctype', 'multipart/form-data')\r\n                            // enctype must be set as encoding for IE:\r\n                                .prop('encoding', 'multipart/form-data');\r\n                        }\r\n                        form.submit();\r\n                        // Insert the file input fields at their original location\r\n                        // by replacing the clones with the originals:\r\n                        if (fileInputClones && fileInputClones.length) {\r\n                            options.fileInput.each(function (index, input) {\r\n                                var clone = $(fileInputClones[index]);\r\n                                $(input).prop('name', clone.prop('name'));\r\n                                clone.replaceWith(input);\r\n                            });\r\n                        }\r\n                    });\r\n                    form.append(iframe).appendTo(document.body);\r\n                },\r\n                abort: function () {\r\n                    if (iframe) {\r\n                        // javascript:false as iframe src aborts the request\r\n                        // and prevents warning popups on HTTPS in IE6.\r\n                        // concat is used to avoid the \"Script URL\" JSLint error:\r\n                        iframe\r\n                            .unbind('load')\r\n                            .prop('src', 'javascript'.concat(':false;'));\r\n                    }\r\n                    if (form) {\r\n                        form.remove();\r\n                    }\r\n                }\r\n            };\r\n        }\r\n    });\r\n\r\n    // The iframe transport returns the iframe content document as response.\r\n    // The following adds converters from iframe to text, json, html, and script:\r\n    $.ajaxSetup({\r\n        converters: {\r\n            'iframe text': function (iframe) {\r\n                return $(iframe[0].body).text();\r\n            },\r\n            'iframe json': function (iframe) {\r\n                return $.parseJSON($(iframe[0].body).text());\r\n            },\r\n            'iframe html': function (iframe) {\r\n                return $(iframe[0].body).html();\r\n            },\r\n            'iframe script': function (iframe) {\r\n                return $.globalEval($(iframe[0].body).text());\r\n            }\r\n        }\r\n    });\r\n\r\n}));\r\n"]}