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File: bootstrap/ejsupload/js/jquery.iframe-transport.js

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File: bootstrap/ejsupload/js/jquery.iframe-transport.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Noblesse CMS
Content management system with custom plugins
Author: By
Last change:
Date: 8 years ago
Size: 10,729 bytes
 

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/* * jQuery Iframe Transport Plugin 1.8.3 * https://github.com/blueimp/jQuery-File-Upload * * Copyright 2011, Sebastian Tschan * https://blueimp.net * * Licensed under the MIT license: * http://www.opensource.org/licenses/MIT */ /* global define, require, window, document */ (function (factory) { 'use strict'; if (typeof define === 'function' && define.amd) { // Register as an anonymous AMD module: define(['jquery'], factory); } else if (typeof exports === 'object') { // Node/CommonJS: factory(require('jquery')); } else { // Browser globals: factory(window.jQuery); } }(function ($) { 'use strict'; // Helper variable to create unique names for the transport iframes: var counter = 0; // The iframe transport accepts four additional options: // options.fileInput: a jQuery collection of file input fields // options.paramName: the parameter name for the file form data, // overrides the name property of the file input field(s), // can be a string or an array of strings. // options.formData: an array of objects with name and value properties, // equivalent to the return data of .serializeArray(), e.g.: // [{name: 'a', value: 1}, {name: 'b', value: 2}] // options.initialIframeSrc: the URL of the initial iframe src, // by default set to "javascript:false;" $.ajaxTransport('iframe', function (options) { if (options.async) { // javascript:false as initial iframe src // prevents warning popups on HTTPS in IE6: /*jshint scripturl: true */ var initialIframeSrc = options.initialIframeSrc || 'javascript:false;', /*jshint scripturl: false */ form, iframe, addParamChar; return { send: function (_, completeCallback) { form = $('<form style="display:none;"></form>'); form.attr('accept-charset', options.formAcceptCharset); addParamChar = /\?/.test(options.url) ? '&' : '?'; // XDomainRequest only supports GET and POST: if (options.type === 'DELETE') { options.url = options.url + addParamChar + '_method=DELETE'; options.type = 'POST'; } else if (options.type === 'PUT') { options.url = options.url + addParamChar + '_method=PUT'; options.type = 'POST'; } else if (options.type === 'PATCH') { options.url = options.url + addParamChar + '_method=PATCH'; options.type = 'POST'; } // IE versions below IE8 cannot set the name property of // elements that have already been added to the DOM, // so we set the name along with the iframe HTML markup: counter += 1; iframe = $( '<iframe src="' + initialIframeSrc + '" name="iframe-transport-' + counter + '"></iframe>' ).bind('load', function () { var fileInputClones, paramNames = $.isArray(options.paramName) ? options.paramName : [options.paramName]; iframe .unbind('load') .bind('load', function () { var response; // Wrap in a try/catch block to catch exceptions thrown // when trying to access cross-domain iframe contents: try { response = iframe.contents(); // Google Chrome and Firefox do not throw an // exception when calling iframe.contents() on // cross-domain requests, so we unify the response: if (!response.length || !response[0].firstChild) { throw new Error(); } } catch (e) { response = undefined; } // The complete callback returns the // iframe content document as response object: completeCallback( 200, 'success', {'iframe': response} ); // Fix for IE endless progress bar activity bug // (happens on form submits to iframe targets): $('<iframe src="' + initialIframeSrc + '"></iframe>') .appendTo(form); window.setTimeout(function () { // Removing the form in a setTimeout call // allows Chrome's developer tools to display // the response result form.remove(); }, 0); }); form .prop('target', iframe.prop('name')) .prop('action', options.url) .prop('method', options.type); if (options.formData) { $.each(options.formData, function (index, field) { $('<input type="hidden"/>') .prop('name', field.name) .val(field.value) .appendTo(form); }); } if (options.fileInput && options.fileInput.length && options.type === 'POST') { fileInputClones = options.fileInput.clone(); // Insert a clone for each file input field: options.fileInput.after(function (index) { return fileInputClones[index]; }); if (options.paramName) { options.fileInput.each(function (index) { $(this).prop( 'name', paramNames[index] || options.paramName ); }); } // Appending the file input fields to the hidden form // removes them from their original location: form .append(options.fileInput) .prop('enctype', 'multipart/form-data') // enctype must be set as encoding for IE: .prop('encoding', 'multipart/form-data'); // Remove the HTML5 form attribute from the input(s): options.fileInput.removeAttr('form'); } form.submit(); // Insert the file input fields at their original location // by replacing the clones with the originals: if (fileInputClones && fileInputClones.length) { options.fileInput.each(function (index, input) { var clone = $(fileInputClones[index]); // Restore the original name and form properties: $(input) .prop('name', clone.prop('name')) .attr('form', clone.attr('form')); clone.replaceWith(input); }); } }); form.append(iframe).appendTo(document.body); }, abort: function () { if (iframe) { // javascript:false as iframe src aborts the request // and prevents warning popups on HTTPS in IE6. // concat is used to avoid the "Script URL" JSLint error: iframe .unbind('load') .prop('src', initialIframeSrc); } if (form) { form.remove(); } } }; } }); // The iframe transport returns the iframe content document as response. // The following adds converters from iframe to text, json, html, xml // and script. // Please note that the Content-Type for JSON responses has to be text/plain // or text/html, if the browser doesn't include application/json in the // Accept header, else IE will show a download dialog. // The Content-Type for XML responses on the other hand has to be always // application/xml or text/xml, so IE properly parses the XML response. // See also // https://github.com/blueimp/jQuery-File-Upload/wiki/Setup#content-type-negotiation $.ajaxSetup({ converters: { 'iframe text': function (iframe) { return iframe && $(iframe[0].body).text(); }, 'iframe json': function (iframe) { return iframe && $.parseJSON($(iframe[0].body).text()); }, 'iframe html': function (iframe) { return iframe && $(iframe[0].body).html(); }, 'iframe xml': function (iframe) { var xmlDoc = iframe && iframe[0]; return xmlDoc && $.isXMLDoc(xmlDoc) ? xmlDoc : $.parseXML((xmlDoc.XMLDocument && xmlDoc.XMLDocument.xml) || $(xmlDoc.body).html()); }, 'iframe script': function (iframe) { return iframe && $.globalEval($(iframe[0].body).text()); } } }); }));