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1 /*
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2 * jQuery File Upload Plugin 5.12
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3 * https://github.com/blueimp/jQuery-File-Upload
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4 *
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5 * Copyright 2010, Sebastian Tschan
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6 * https://blueimp.net
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7 *
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8 * Licensed under the MIT license:
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9 * http://www.opensource.org/licenses/MIT
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10 */
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11
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12 /*jslint nomen: true, unparam: true, regexp: true */
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13 /*global define, window, document, Blob, FormData, location */
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14
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15 (function (factory) {
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16 'use strict';
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17 if (typeof define === 'function' && define.amd) {
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18 // Register as an anonymous AMD module:
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19 define([
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20 'jquery',
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21 'jquery.ui.widget'
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22 ], factory);
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23 } else {
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24 // Browser globals:
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25 factory(window.jQuery);
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26 }
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27 }(function ($) {
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28 'use strict';
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29
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30 // The FileReader API is not actually used, but works as feature detection,
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31 // as e.g. Safari supports XHR file uploads via the FormData API,
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32 // but not non-multipart XHR file uploads:
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33 $.support.xhrFileUpload = !!(window.XMLHttpRequestUpload && window.FileReader);
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34 $.support.xhrFormDataFileUpload = !!window.FormData;
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35
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36 // The fileupload widget listens for change events on file input fields defined
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37 // via fileInput setting and paste or drop events of the given dropZone.
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38 // In addition to the default jQuery Widget methods, the fileupload widget
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39 // exposes the "add" and "send" methods, to add or directly send files using
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40 // the fileupload API.
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41 // By default, files added via file input selection, paste, drag & drop or
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42 // "add" method are uploaded immediately, but it is possible to override
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43 // the "add" callback option to queue file uploads.
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44 $.widget('blueimp.fileupload', {
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45
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46 options: {
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47 // The namespace used for event handler binding on the dropZone and
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48 // fileInput collections.
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49 // If not set, the name of the widget ("fileupload") is used.
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50 namespace: undefined,
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51 // The drop target collection, by the default the complete document.
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52 // Set to null or an empty collection to disable drag & drop support:
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53 dropZone: $(document),
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54 // The file input field collection, that is listened for change events.
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55 // If undefined, it is set to the file input fields inside
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56 // of the widget element on plugin initialization.
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57 // Set to null or an empty collection to disable the change listener.
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58 fileInput: undefined,
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59 // By default, the file input field is replaced with a clone after
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60 // each input field change event. This is required for iframe transport
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61 // queues and allows change events to be fired for the same file
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62 // selection, but can be disabled by setting the following option to false:
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63 replaceFileInput: true,
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64 // The parameter name for the file form data (the request argument name).
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65 // If undefined or empty, the name property of the file input field is
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66 // used, or "files[]" if the file input name property is also empty,
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67 // can be a string or an array of strings:
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68 paramName: undefined,
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69 // By default, each file of a selection is uploaded using an individual
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70 // request for XHR type uploads. Set to false to upload file
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71 // selections in one request each:
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72 singleFileUploads: true,
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73 // To limit the number of files uploaded with one XHR request,
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74 // set the following option to an integer greater than 0:
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75 limitMultiFileUploads: undefined,
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76 // Set the following option to true to issue all file upload requests
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77 // in a sequential order:
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78 sequentialUploads: false,
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79 // To limit the number of concurrent uploads,
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80 // set the following option to an integer greater than 0:
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81 limitConcurrentUploads: undefined,
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82 // Set the following option to true to force iframe transport uploads:
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83 forceIframeTransport: false,
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84 // Set the following option to the location of a redirect url on the
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85 // origin server, for cross-domain iframe transport uploads:
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86 redirect: undefined,
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87 // The parameter name for the redirect url, sent as part of the form
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88 // data and set to 'redirect' if this option is empty:
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89 redirectParamName: undefined,
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90 // Set the following option to the location of a postMessage window,
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91 // to enable postMessage transport uploads:
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92 postMessage: undefined,
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93 // By default, XHR file uploads are sent as multipart/form-data.
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94 // The iframe transport is always using multipart/form-data.
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95 // Set to false to enable non-multipart XHR uploads:
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96 multipart: true,
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97 // To upload large files in smaller chunks, set the following option
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98 // to a preferred maximum chunk size. If set to 0, null or undefined,
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99 // or the browser does not support the required Blob API, files will
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100 // be uploaded as a whole.
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101 maxChunkSize: undefined,
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102 // When a non-multipart upload or a chunked multipart upload has been
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103 // aborted, this option can be used to resume the upload by setting
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104 // it to the size of the already uploaded bytes. This option is most
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105 // useful when modifying the options object inside of the "add" or
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106 // "send" callbacks, as the options are cloned for each file upload.
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107 uploadedBytes: undefined,
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108 // By default, failed (abort or error) file uploads are removed from the
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109 // global progress calculation. Set the following option to false to
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110 // prevent recalculating the global progress data:
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111 recalculateProgress: true,
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112 // Interval in milliseconds to calculate and trigger progress events:
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113 progressInterval: 100,
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114 // Interval in milliseconds to calculate progress bitrate:
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115 bitrateInterval: 500,
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116
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117 // Additional form data to be sent along with the file uploads can be set
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118 // using this option, which accepts an array of objects with name and
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119 // value properties, a function returning such an array, a FormData
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120 // object (for XHR file uploads), or a simple object.
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121 // The form of the first fileInput is given as parameter to the function:
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122 formData: function (form) {
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123 return form.serializeArray();
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124 },
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125
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126 // The add callback is invoked as soon as files are added to the fileupload
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127 // widget (via file input selection, drag & drop, paste or add API call).
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128 // If the singleFileUploads option is enabled, this callback will be
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129 // called once for each file in the selection for XHR file uplaods, else
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130 // once for each file selection.
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131 // The upload starts when the submit method is invoked on the data parameter.
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132 // The data object contains a files property holding the added files
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133 // and allows to override plugin options as well as define ajax settings.
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134 // Listeners for this callback can also be bound the following way:
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135 // .bind('fileuploadadd', func);
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136 // data.submit() returns a Promise object and allows to attach additional
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137 // handlers using jQuery's Deferred callbacks:
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138 // data.submit().done(func).fail(func).always(func);
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139 add: function (e, data) {
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140 data.submit();
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141 },
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142
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143 // Other callbacks:
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144 // Callback for the submit event of each file upload:
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145 // submit: function (e, data) {}, // .bind('fileuploadsubmit', func);
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146 // Callback for the start of each file upload request:
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147 // send: function (e, data) {}, // .bind('fileuploadsend', func);
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148 // Callback for successful uploads:
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149 // done: function (e, data) {}, // .bind('fileuploaddone', func);
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150 // Callback for failed (abort or error) uploads:
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151 // fail: function (e, data) {}, // .bind('fileuploadfail', func);
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152 // Callback for completed (success, abort or error) requests:
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153 // always: function (e, data) {}, // .bind('fileuploadalways', func);
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154 // Callback for upload progress events:
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155 // progress: function (e, data) {}, // .bind('fileuploadprogress', func);
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156 // Callback for global upload progress events:
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157 // progressall: function (e, data) {}, // .bind('fileuploadprogressall', func);
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158 // Callback for uploads start, equivalent to the global ajaxStart event:
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159 // start: function (e) {}, // .bind('fileuploadstart', func);
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160 // Callback for uploads stop, equivalent to the global ajaxStop event:
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161 // stop: function (e) {}, // .bind('fileuploadstop', func);
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162 // Callback for change events of the fileInput collection:
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163 // change: function (e, data) {}, // .bind('fileuploadchange', func);
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164 // Callback for paste events to the dropZone collection:
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165 // paste: function (e, data) {}, // .bind('fileuploadpaste', func);
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166 // Callback for drop events of the dropZone collection:
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167 // drop: function (e, data) {}, // .bind('fileuploaddrop', func);
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168 // Callback for dragover events of the dropZone collection:
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169 // dragover: function (e) {}, // .bind('fileuploaddragover', func);
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170
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171 // The plugin options are used as settings object for the ajax calls.
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172 // The following are jQuery ajax settings required for the file uploads:
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173 processData: false,
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174 contentType: false,
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175 cache: false
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176 },
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177
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178 // A list of options that require a refresh after assigning a new value:
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179 _refreshOptionsList: [
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180 'namespace',
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181 'dropZone',
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182 'fileInput',
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183 'multipart',
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184 'forceIframeTransport'
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185 ],
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186
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187 _BitrateTimer: function () {
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188 this.timestamp = +(new Date());
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189 this.loaded = 0;
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190 this.bitrate = 0;
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191 this.getBitrate = function (now, loaded, interval) {
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192 var timeDiff = now - this.timestamp;
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193 if (!this.bitrate || !interval || timeDiff > interval) {
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194 this.bitrate = (loaded - this.loaded) * (1000 / timeDiff) * 8;
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195 this.loaded = loaded;
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196 this.timestamp = now;
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197 }
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198 return this.bitrate;
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199 };
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200 },
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201
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202 _isXHRUpload: function (options) {
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203 return !options.forceIframeTransport &&
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204 ((!options.multipart && $.support.xhrFileUpload) ||
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205 $.support.xhrFormDataFileUpload);
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206 },
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207
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208 _getFormData: function (options) {
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209 var formData;
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210 if (typeof options.formData === 'function') {
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211 return options.formData(options.form);
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212 }
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213 if ($.isArray(options.formData)) {
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214 return options.formData;
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215 }
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216 if (options.formData) {
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217 formData = [];
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218 $.each(options.formData, function (name, value) {
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219 formData.push({name: name, value: value});
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220 });
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221 return formData;
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222 }
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223 return [];
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224 },
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225
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226 _getTotal: function (files) {
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227 var total = 0;
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228 $.each(files, function (index, file) {
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229 total += file.size || 1;
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230 });
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231 return total;
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232 },
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233
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234 _onProgress: function (e, data) {
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235 if (e.lengthComputable) {
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236 var now = +(new Date()),
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237 total,
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238 loaded;
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239 if (data._time && data.progressInterval &&
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240 (now - data._time < data.progressInterval) &&
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241 e.loaded !== e.total) {
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242 return;
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243 }
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244 data._time = now;
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245 total = data.total || this._getTotal(data.files);
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246 loaded = parseInt(
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247 e.loaded / e.total * (data.chunkSize || total),
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248 10
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249 ) + (data.uploadedBytes || 0);
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250 this._loaded += loaded - (data.loaded || data.uploadedBytes || 0);
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251 data.lengthComputable = true;
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252 data.loaded = loaded;
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253 data.total = total;
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254 data.bitrate = data._bitrateTimer.getBitrate(
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255 now,
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256 loaded,
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257 data.bitrateInterval
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258 );
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259 // Trigger a custom progress event with a total data property set
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260 // to the file size(s) of the current upload and a loaded data
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261 // property calculated accordingly:
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262 this._trigger('progress', e, data);
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263 // Trigger a global progress event for all current file uploads,
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264 // including ajax calls queued for sequential file uploads:
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265 this._trigger('progressall', e, {
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266 lengthComputable: true,
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267 loaded: this._loaded,
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268 total: this._total,
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269 bitrate: this._bitrateTimer.getBitrate(
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270 now,
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271 this._loaded,
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272 data.bitrateInterval
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273 )
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274 });
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275 }
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276 },
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277
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278 _initProgressListener: function (options) {
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279 var that = this,
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280 xhr = options.xhr ? options.xhr() : $.ajaxSettings.xhr();
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281 // Accesss to the native XHR object is required to add event listeners
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282 // for the upload progress event:
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283 if (xhr.upload) {
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284 $(xhr.upload).bind('progress', function (e) {
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285 var oe = e.originalEvent;
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286 // Make sure the progress event properties get copied over:
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287 e.lengthComputable = oe.lengthComputable;
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288 e.loaded = oe.loaded;
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289 e.total = oe.total;
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290 that._onProgress(e, options);
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291 });
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292 options.xhr = function () {
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293 return xhr;
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294 };
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295 }
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296 },
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297
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298 _initXHRData: function (options) {
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299 var formData,
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300 file = options.files[0],
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301 // Ignore non-multipart setting if not supported:
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302 multipart = options.multipart || !$.support.xhrFileUpload,
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303 paramName = options.paramName[0];
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304 if (!multipart || options.blob) {
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305 // For non-multipart uploads and chunked uploads,
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306 // file meta data is not part of the request body,
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307 // so we transmit this data as part of the HTTP headers.
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308 // For cross domain requests, these headers must be allowed
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309 // via Access-Control-Allow-Headers or removed using
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310 // the beforeSend callback:
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311 options.headers = $.extend(options.headers, {
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312 'X-File-Name': file.name,
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313 'X-File-Type': file.type,
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314 'X-File-Size': file.size
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315 });
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316 if (!options.blob) {
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317 // Non-chunked non-multipart upload:
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318 options.contentType = file.type;
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319 options.data = file;
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320 } else if (!multipart) {
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321 // Chunked non-multipart upload:
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322 options.contentType = 'application/octet-stream';
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323 options.data = options.blob;
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324 }
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325 }
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326 if (multipart && $.support.xhrFormDataFileUpload) {
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327 if (options.postMessage) {
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328 // window.postMessage does not allow sending FormData
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329 // objects, so we just add the File/Blob objects to
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330 // the formData array and let the postMessage window
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331 // create the FormData object out of this array:
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332 formData = this._getFormData(options);
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333 if (options.blob) {
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334 formData.push({
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335 name: paramName,
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336 value: options.blob
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337 });
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338 } else {
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339 $.each(options.files, function (index, file) {
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340 formData.push({
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341 name: options.paramName[index] || paramName,
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342 value: file
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343 });
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344 });
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345 }
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346 } else {
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347 if (options.formData instanceof FormData) {
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348 formData = options.formData;
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349 } else {
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350 formData = new FormData();
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351 $.each(this._getFormData(options), function (index, field) {
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352 formData.append(field.name, field.value);
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353 });
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354 }
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355 if (options.blob) {
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356 formData.append(paramName, options.blob, file.name);
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357 } else {
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358 $.each(options.files, function (index, file) {
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359 // File objects are also Blob instances.
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360 // This check allows the tests to run with
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361 // dummy objects:
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362 if (file instanceof Blob) {
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363 formData.append(
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364 options.paramName[index] || paramName,
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365 file,
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366 file.name
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367 );
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368 }
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369 });
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370 }
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371 }
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372 options.data = formData;
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373 }
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374 // Blob reference is not needed anymore, free memory:
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375 options.blob = null;
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376 },
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377
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378 _initIframeSettings: function (options) {
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379 // Setting the dataType to iframe enables the iframe transport:
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380 options.dataType = 'iframe ' + (options.dataType || '');
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381 // The iframe transport accepts a serialized array as form data:
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382 options.formData = this._getFormData(options);
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383 // Add redirect url to form data on cross-domain uploads:
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384 if (options.redirect && $('<a></a>').prop('href', options.url)
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385 .prop('host') !== location.host) {
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386 options.formData.push({
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387 name: options.redirectParamName || 'redirect',
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388 value: options.redirect
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389 });
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390 }
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391 },
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392
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393 _initDataSettings: function (options) {
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|
394 if (this._isXHRUpload(options)) {
|
|
|
395 if (!this._chunkedUpload(options, true)) {
|
|
|
396 if (!options.data) {
|
|
|
397 this._initXHRData(options);
|
|
|
398 }
|
|
|
399 this._initProgressListener(options);
|
|
|
400 }
|
|
|
401 if (options.postMessage) {
|
|
|
402 // Setting the dataType to postmessage enables the
|
|
|
403 // postMessage transport:
|
|
|
404 options.dataType = 'postmessage ' + (options.dataType || '');
|
|
|
405 }
|
|
|
406 } else {
|
|
|
407 this._initIframeSettings(options, 'iframe');
|
|
|
408 }
|
|
|
409 },
|
|
|
410
|
|
|
411 _getParamName: function (options) {
|
|
|
412 var fileInput = $(options.fileInput),
|
|
|
413 paramName = options.paramName;
|
|
|
414 if (!paramName) {
|
|
|
415 paramName = [];
|
|
|
416 fileInput.each(function () {
|
|
|
417 var input = $(this),
|
|
|
418 name = input.prop('name') || 'files[]',
|
|
|
419 i = (input.prop('files') || [1]).length;
|
|
|
420 while (i) {
|
|
|
421 paramName.push(name);
|
|
|
422 i -= 1;
|
|
|
423 }
|
|
|
424 });
|
|
|
425 if (!paramName.length) {
|
|
|
426 paramName = [fileInput.prop('name') || 'files[]'];
|
|
|
427 }
|
|
|
428 } else if (!$.isArray(paramName)) {
|
|
|
429 paramName = [paramName];
|
|
|
430 }
|
|
|
431 return paramName;
|
|
|
432 },
|
|
|
433
|
|
|
434 _initFormSettings: function (options) {
|
|
|
435 // Retrieve missing options from the input field and the
|
|
|
436 // associated form, if available:
|
|
|
437 if (!options.form || !options.form.length) {
|
|
|
438 options.form = $(options.fileInput.prop('form'));
|
|
|
439 }
|
|
|
440 options.paramName = this._getParamName(options);
|
|
|
441 if (!options.url) {
|
|
|
442 options.url = options.form.prop('action') || location.href;
|
|
|
443 }
|
|
|
444 // The HTTP request method must be "POST" or "PUT":
|
|
|
445 options.type = (options.type || options.form.prop('method') || '')
|
|
|
446 .toUpperCase();
|
|
|
447 if (options.type !== 'POST' && options.type !== 'PUT') {
|
|
|
448 options.type = 'POST';
|
|
|
449 }
|
|
|
450 },
|
|
|
451
|
|
|
452 _getAJAXSettings: function (data) {
|
|
|
453 var options = $.extend({}, this.options, data);
|
|
|
454 this._initFormSettings(options);
|
|
|
455 this._initDataSettings(options);
|
|
|
456 return options;
|
|
|
457 },
|
|
|
458
|
|
|
459 // Maps jqXHR callbacks to the equivalent
|
|
|
460 // methods of the given Promise object:
|
|
|
461 _enhancePromise: function (promise) {
|
|
|
462 promise.success = promise.done;
|
|
|
463 promise.error = promise.fail;
|
|
|
464 promise.complete = promise.always;
|
|
|
465 return promise;
|
|
|
466 },
|
|
|
467
|
|
|
468 // Creates and returns a Promise object enhanced with
|
|
|
469 // the jqXHR methods abort, success, error and complete:
|
|
|
470 _getXHRPromise: function (resolveOrReject, context, args) {
|
|
|
471 var dfd = $.Deferred(),
|
|
|
472 promise = dfd.promise();
|
|
|
473 context = context || this.options.context || promise;
|
|
|
474 if (resolveOrReject === true) {
|
|
|
475 dfd.resolveWith(context, args);
|
|
|
476 } else if (resolveOrReject === false) {
|
|
|
477 dfd.rejectWith(context, args);
|
|
|
478 }
|
|
|
479 promise.abort = dfd.promise;
|
|
|
480 return this._enhancePromise(promise);
|
|
|
481 },
|
|
|
482
|
|
|
483 // Uploads a file in multiple, sequential requests
|
|
|
484 // by splitting the file up in multiple blob chunks.
|
|
|
485 // If the second parameter is true, only tests if the file
|
|
|
486 // should be uploaded in chunks, but does not invoke any
|
|
|
487 // upload requests:
|
|
|
488 _chunkedUpload: function (options, testOnly) {
|
|
|
489 var that = this,
|
|
|
490 file = options.files[0],
|
|
|
491 fs = file.size,
|
|
|
492 ub = options.uploadedBytes = options.uploadedBytes || 0,
|
|
|
493 mcs = options.maxChunkSize || fs,
|
|
|
494 // Use the Blob methods with the slice implementation
|
|
|
495 // according to the W3C Blob API specification:
|
|
|
496 slice = file.webkitSlice || file.mozSlice || file.slice,
|
|
|
497 upload,
|
|
|
498 n,
|
|
|
499 jqXHR,
|
|
|
500 pipe;
|
|
|
501 if (!(this._isXHRUpload(options) && slice && (ub || mcs < fs)) ||
|
|
|
502 options.data) {
|
|
|
503 return false;
|
|
|
504 }
|
|
|
505 if (testOnly) {
|
|
|
506 return true;
|
|
|
507 }
|
|
|
508 if (ub >= fs) {
|
|
|
509 file.error = 'uploadedBytes';
|
|
|
510 return this._getXHRPromise(
|
|
|
511 false,
|
|
|
512 options.context,
|
|
|
513 [null, 'error', file.error]
|
|
|
514 );
|
|
|
515 }
|
|
|
516 // n is the number of blobs to upload,
|
|
|
517 // calculated via filesize, uploaded bytes and max chunk size:
|
|
|
518 n = Math.ceil((fs - ub) / mcs);
|
|
|
519 // The chunk upload method accepting the chunk number as parameter:
|
|
|
520 upload = function (i) {
|
|
|
521 if (!i) {
|
|
|
522 return that._getXHRPromise(true, options.context);
|
|
|
523 }
|
|
|
524 // Upload the blobs in sequential order:
|
|
|
525 return upload(i -= 1).pipe(function () {
|
|
|
526 // Clone the options object for each chunk upload:
|
|
|
527 var o = $.extend({}, options);
|
|
|
528 o.blob = slice.call(
|
|
|
529 file,
|
|
|
530 ub + i * mcs,
|
|
|
531 ub + (i + 1) * mcs
|
|
|
532 );
|
|
|
533 // Store the current chunk size, as the blob itself
|
|
|
534 // will be dereferenced after data processing:
|
|
|
535 o.chunkSize = o.blob.size;
|
|
|
536 // Process the upload data (the blob and potential form data):
|
|
|
537 that._initXHRData(o);
|
|
|
538 // Add progress listeners for this chunk upload:
|
|
|
539 that._initProgressListener(o);
|
|
|
540 jqXHR = ($.ajax(o) || that._getXHRPromise(false, o.context))
|
|
|
541 .done(function () {
|
|
|
542 // Create a progress event if upload is done and
|
|
|
543 // no progress event has been invoked for this chunk:
|
|
|
544 if (!o.loaded) {
|
|
|
545 that._onProgress($.Event('progress', {
|
|
|
546 lengthComputable: true,
|
|
|
547 loaded: o.chunkSize,
|
|
|
548 total: o.chunkSize
|
|
|
549 }), o);
|
|
|
550 }
|
|
|
551 options.uploadedBytes = o.uploadedBytes +=
|
|
|
552 o.chunkSize;
|
|
|
553 });
|
|
|
554 return jqXHR;
|
|
|
555 });
|
|
|
556 };
|
|
|
557 // Return the piped Promise object, enhanced with an abort method,
|
|
|
558 // which is delegated to the jqXHR object of the current upload,
|
|
|
559 // and jqXHR callbacks mapped to the equivalent Promise methods:
|
|
|
560 pipe = upload(n);
|
|
|
561 pipe.abort = function () {
|
|
|
562 return jqXHR.abort();
|
|
|
563 };
|
|
|
564 return this._enhancePromise(pipe);
|
|
|
565 },
|
|
|
566
|
|
|
567 _beforeSend: function (e, data) {
|
|
|
568 if (this._active === 0) {
|
|
|
569 // the start callback is triggered when an upload starts
|
|
|
570 // and no other uploads are currently running,
|
|
|
571 // equivalent to the global ajaxStart event:
|
|
|
572 this._trigger('start');
|
|
|
573 // Set timer for global bitrate progress calculation:
|
|
|
574 this._bitrateTimer = new this._BitrateTimer();
|
|
|
575 }
|
|
|
576 this._active += 1;
|
|
|
577 // Initialize the global progress values:
|
|
|
578 this._loaded += data.uploadedBytes || 0;
|
|
|
579 this._total += this._getTotal(data.files);
|
|
|
580 },
|
|
|
581
|
|
|
582 _onDone: function (result, textStatus, jqXHR, options) {
|
|
|
583 if (!this._isXHRUpload(options)) {
|
|
|
584 // Create a progress event for each iframe load:
|
|
|
585 this._onProgress($.Event('progress', {
|
|
|
586 lengthComputable: true,
|
|
|
587 loaded: 1,
|
|
|
588 total: 1
|
|
|
589 }), options);
|
|
|
590 }
|
|
|
591 options.result = result;
|
|
|
592 options.textStatus = textStatus;
|
|
|
593 options.jqXHR = jqXHR;
|
|
|
594 this._trigger('done', null, options);
|
|
|
595 },
|
|
|
596
|
|
|
597 _onFail: function (jqXHR, textStatus, errorThrown, options) {
|
|
|
598 options.jqXHR = jqXHR;
|
|
|
599 options.textStatus = textStatus;
|
|
|
600 options.errorThrown = errorThrown;
|
|
|
601 this._trigger('fail', null, options);
|
|
|
602 if (options.recalculateProgress) {
|
|
|
603 // Remove the failed (error or abort) file upload from
|
|
|
604 // the global progress calculation:
|
|
|
605 this._loaded -= options.loaded || options.uploadedBytes || 0;
|
|
|
606 this._total -= options.total || this._getTotal(options.files);
|
|
|
607 }
|
|
|
608 },
|
|
|
609
|
|
|
610 _onAlways: function (jqXHRorResult, textStatus, jqXHRorError, options) {
|
|
|
611 this._active -= 1;
|
|
|
612 options.textStatus = textStatus;
|
|
|
613 if (jqXHRorError && jqXHRorError.always) {
|
|
|
614 options.jqXHR = jqXHRorError;
|
|
|
615 options.result = jqXHRorResult;
|
|
|
616 } else {
|
|
|
617 options.jqXHR = jqXHRorResult;
|
|
|
618 options.errorThrown = jqXHRorError;
|
|
|
619 }
|
|
|
620 this._trigger('always', null, options);
|
|
|
621 if (this._active === 0) {
|
|
|
622 // The stop callback is triggered when all uploads have
|
|
|
623 // been completed, equivalent to the global ajaxStop event:
|
|
|
624 this._trigger('stop');
|
|
|
625 // Reset the global progress values:
|
|
|
626 this._loaded = this._total = 0;
|
|
|
627 this._bitrateTimer = null;
|
|
|
628 }
|
|
|
629 },
|
|
|
630
|
|
|
631 _onSend: function (e, data) {
|
|
|
632 var that = this,
|
|
|
633 jqXHR,
|
|
|
634 slot,
|
|
|
635 pipe,
|
|
|
636 options = that._getAJAXSettings(data),
|
|
|
637 send = function (resolve, args) {
|
|
|
638 that._sending += 1;
|
|
|
639 // Set timer for bitrate progress calculation:
|
|
|
640 options._bitrateTimer = new that._BitrateTimer();
|
|
|
641 jqXHR = jqXHR || (
|
|
|
642 (resolve !== false &&
|
|
|
643 that._trigger('send', e, options) !== false &&
|
|
|
644 (that._chunkedUpload(options) || $.ajax(options))) ||
|
|
|
645 that._getXHRPromise(false, options.context, args)
|
|
|
646 ).done(function (result, textStatus, jqXHR) {
|
|
|
647 that._onDone(result, textStatus, jqXHR, options);
|
|
|
648 }).fail(function (jqXHR, textStatus, errorThrown) {
|
|
|
649 that._onFail(jqXHR, textStatus, errorThrown, options);
|
|
|
650 }).always(function (jqXHRorResult, textStatus, jqXHRorError) {
|
|
|
651 that._sending -= 1;
|
|
|
652 that._onAlways(
|
|
|
653 jqXHRorResult,
|
|
|
654 textStatus,
|
|
|
655 jqXHRorError,
|
|
|
656 options
|
|
|
657 );
|
|
|
658 if (options.limitConcurrentUploads &&
|
|
|
659 options.limitConcurrentUploads > that._sending) {
|
|
|
660 // Start the next queued upload,
|
|
|
661 // that has not been aborted:
|
|
|
662 var nextSlot = that._slots.shift();
|
|
|
663 while (nextSlot) {
|
|
|
664 if (!nextSlot.isRejected()) {
|
|
|
665 nextSlot.resolve();
|
|
|
666 break;
|
|
|
667 }
|
|
|
668 nextSlot = that._slots.shift();
|
|
|
669 }
|
|
|
670 }
|
|
|
671 });
|
|
|
672 return jqXHR;
|
|
|
673 };
|
|
|
674 this._beforeSend(e, options);
|
|
|
675 if (this.options.sequentialUploads ||
|
|
|
676 (this.options.limitConcurrentUploads &&
|
|
|
677 this.options.limitConcurrentUploads <= this._sending)) {
|
|
|
678 if (this.options.limitConcurrentUploads > 1) {
|
|
|
679 slot = $.Deferred();
|
|
|
680 this._slots.push(slot);
|
|
|
681 pipe = slot.pipe(send);
|
|
|
682 } else {
|
|
|
683 pipe = (this._sequence = this._sequence.pipe(send, send));
|
|
|
684 }
|
|
|
685 // Return the piped Promise object, enhanced with an abort method,
|
|
|
686 // which is delegated to the jqXHR object of the current upload,
|
|
|
687 // and jqXHR callbacks mapped to the equivalent Promise methods:
|
|
|
688 pipe.abort = function () {
|
|
|
689 var args = [undefined, 'abort', 'abort'];
|
|
|
690 if (!jqXHR) {
|
|
|
691 if (slot) {
|
|
|
692 slot.rejectWith(args);
|
|
|
693 }
|
|
|
694 return send(false, args);
|
|
|
695 }
|
|
|
696 return jqXHR.abort();
|
|
|
697 };
|
|
|
698 return this._enhancePromise(pipe);
|
|
|
699 }
|
|
|
700 return send();
|
|
|
701 },
|
|
|
702
|
|
|
703 _onAdd: function (e, data) {
|
|
|
704 var that = this,
|
|
|
705 result = true,
|
|
|
706 options = $.extend({}, this.options, data),
|
|
|
707 limit = options.limitMultiFileUploads,
|
|
|
708 paramName = this._getParamName(options),
|
|
|
709 paramNameSet,
|
|
|
710 paramNameSlice,
|
|
|
711 fileSet,
|
|
|
712 i;
|
|
|
713 if (!(options.singleFileUploads || limit) ||
|
|
|
714 !this._isXHRUpload(options)) {
|
|
|
715 fileSet = [data.files];
|
|
|
716 paramNameSet = [paramName];
|
|
|
717 } else if (!options.singleFileUploads && limit) {
|
|
|
718 fileSet = [];
|
|
|
719 paramNameSet = [];
|
|
|
720 for (i = 0; i < data.files.length; i += limit) {
|
|
|
721 fileSet.push(data.files.slice(i, i + limit));
|
|
|
722 paramNameSlice = paramName.slice(i, i + limit);
|
|
|
723 if (!paramNameSlice.length) {
|
|
|
724 paramNameSlice = paramName;
|
|
|
725 }
|
|
|
726 paramNameSet.push(paramNameSlice);
|
|
|
727 }
|
|
|
728 } else {
|
|
|
729 paramNameSet = paramName;
|
|
|
730 }
|
|
|
731 data.originalFiles = data.files;
|
|
|
732 $.each(fileSet || data.files, function (index, element) {
|
|
|
733 var newData = $.extend({}, data);
|
|
|
734 newData.files = fileSet ? element : [element];
|
|
|
735 newData.paramName = paramNameSet[index];
|
|
|
736 newData.submit = function () {
|
|
|
737 newData.jqXHR = this.jqXHR =
|
|
|
738 (that._trigger('submit', e, this) !== false) &&
|
|
|
739 that._onSend(e, this);
|
|
|
740 return this.jqXHR;
|
|
|
741 };
|
|
|
742 return (result = that._trigger('add', e, newData));
|
|
|
743 });
|
|
|
744 return result;
|
|
|
745 },
|
|
|
746
|
|
|
747 // File Normalization for Gecko 1.9.1 (Firefox 3.5) support:
|
|
|
748 _normalizeFile: function (index, file) {
|
|
|
749 if (file.name === undefined && file.size === undefined) {
|
|
|
750 file.name = file.fileName;
|
|
|
751 file.size = file.fileSize;
|
|
|
752 }
|
|
|
753 },
|
|
|
754
|
|
|
755 _replaceFileInput: function (input) {
|
|
|
756 var inputClone = input.clone(true);
|
|
|
757 $('<form></form>').append(inputClone)[0].reset();
|
|
|
758 // Detaching allows to insert the fileInput on another form
|
|
|
759 // without loosing the file input value:
|
|
|
760 input.after(inputClone).detach();
|
|
|
761 // Avoid memory leaks with the detached file input:
|
|
|
762 $.cleanData(input.unbind('remove'));
|
|
|
763 // Replace the original file input element in the fileInput
|
|
|
764 // collection with the clone, which has been copied including
|
|
|
765 // event handlers:
|
|
|
766 this.options.fileInput = this.options.fileInput.map(function (i, el) {
|
|
|
767 if (el === input[0]) {
|
|
|
768 return inputClone[0];
|
|
|
769 }
|
|
|
770 return el;
|
|
|
771 });
|
|
|
772 // If the widget has been initialized on the file input itself,
|
|
|
773 // override this.element with the file input clone:
|
|
|
774 if (input[0] === this.element[0]) {
|
|
|
775 this.element = inputClone;
|
|
|
776 }
|
|
|
777 },
|
|
|
778
|
|
|
779 _getFileInputFiles: function (fileInput) {
|
|
|
780 fileInput = $(fileInput);
|
|
|
781 var files = $.each($.makeArray(fileInput.prop('files')), this._normalizeFile),
|
|
|
782 value;
|
|
|
783 if (!files.length) {
|
|
|
784 value = fileInput.prop('value');
|
|
|
785 if (!value) {
|
|
|
786 return [];
|
|
|
787 }
|
|
|
788 // If the files property is not available, the browser does not
|
|
|
789 // support the File API and we add a pseudo File object with
|
|
|
790 // the input value as name with path information removed:
|
|
|
791 files = [{name: value.replace(/^.*\\/, '')}];
|
|
|
792 }
|
|
|
793 return files;
|
|
|
794 },
|
|
|
795
|
|
|
796 _onChange: function (e) {
|
|
|
797 var that = e.data.fileupload,
|
|
|
798 data = {
|
|
|
799 fileInput: $(e.target),
|
|
|
800 form: $(e.target.form)
|
|
|
801 };
|
|
|
802 data.files = that._getFileInputFiles(data.fileInput);
|
|
|
803 if (that.options.replaceFileInput) {
|
|
|
804 that._replaceFileInput(data.fileInput);
|
|
|
805 }
|
|
|
806 if (that._trigger('change', e, data) === false ||
|
|
|
807 that._onAdd(e, data) === false) {
|
|
|
808 return false;
|
|
|
809 }
|
|
|
810 },
|
|
|
811
|
|
|
812 _onPaste: function (e) {
|
|
|
813 var that = e.data.fileupload,
|
|
|
814 cbd = e.originalEvent.clipboardData,
|
|
|
815 items = (cbd && cbd.items) || [],
|
|
|
816 data = {files: []};
|
|
|
817 $.each(items, function (index, item) {
|
|
|
818 var file = item.getAsFile && item.getAsFile();
|
|
|
819 if (file) {
|
|
|
820 data.files.push(file);
|
|
|
821 }
|
|
|
822 });
|
|
|
823 if (that._trigger('paste', e, data) === false ||
|
|
|
824 that._onAdd(e, data) === false) {
|
|
|
825 return false;
|
|
|
826 }
|
|
|
827 },
|
|
|
828
|
|
|
829 _onDrop: function (e) {
|
|
|
830 var that = e.data.fileupload,
|
|
|
831 dataTransfer = e.dataTransfer = e.originalEvent.dataTransfer,
|
|
|
832 data = {
|
|
|
833 files: $.each(
|
|
|
834 $.makeArray(dataTransfer && dataTransfer.files),
|
|
|
835 that._normalizeFile
|
|
|
836 )
|
|
|
837 };
|
|
|
838 if (that._trigger('drop', e, data) === false ||
|
|
|
839 that._onAdd(e, data) === false) {
|
|
|
840 return false;
|
|
|
841 }
|
|
|
842 e.preventDefault();
|
|
|
843 },
|
|
|
844
|
|
|
845 _onDragOver: function (e) {
|
|
|
846 var that = e.data.fileupload,
|
|
|
847 dataTransfer = e.dataTransfer = e.originalEvent.dataTransfer;
|
|
|
848 if (that._trigger('dragover', e) === false) {
|
|
|
849 return false;
|
|
|
850 }
|
|
|
851 if (dataTransfer) {
|
|
|
852 dataTransfer.dropEffect = 'copy';
|
|
|
853 }
|
|
|
854 e.preventDefault();
|
|
|
855 },
|
|
|
856
|
|
|
857 _initEventHandlers: function () {
|
|
|
858 var ns = this.options.namespace;
|
|
|
859 if (this._isXHRUpload(this.options)) {
|
|
|
860 this.options.dropZone
|
|
|
861 .bind('dragover.' + ns, {fileupload: this}, this._onDragOver)
|
|
|
862 .bind('drop.' + ns, {fileupload: this}, this._onDrop)
|
|
|
863 .bind('paste.' + ns, {fileupload: this}, this._onPaste);
|
|
|
864 }
|
|
|
865 this.options.fileInput
|
|
|
866 .bind('change.' + ns, {fileupload: this}, this._onChange);
|
|
|
867 },
|
|
|
868
|
|
|
869 _destroyEventHandlers: function () {
|
|
|
870 var ns = this.options.namespace;
|
|
|
871 this.options.dropZone
|
|
|
872 .unbind('dragover.' + ns, this._onDragOver)
|
|
|
873 .unbind('drop.' + ns, this._onDrop)
|
|
|
874 .unbind('paste.' + ns, this._onPaste);
|
|
|
875 this.options.fileInput
|
|
|
876 .unbind('change.' + ns, this._onChange);
|
|
|
877 },
|
|
|
878
|
|
|
879 _setOption: function (key, value) {
|
|
|
880 var refresh = $.inArray(key, this._refreshOptionsList) !== -1;
|
|
|
881 if (refresh) {
|
|
|
882 this._destroyEventHandlers();
|
|
|
883 }
|
|
|
884 $.Widget.prototype._setOption.call(this, key, value);
|
|
|
885 if (refresh) {
|
|
|
886 this._initSpecialOptions();
|
|
|
887 this._initEventHandlers();
|
|
|
888 }
|
|
|
889 },
|
|
|
890
|
|
|
891 _initSpecialOptions: function () {
|
|
|
892 var options = this.options;
|
|
|
893 if (options.fileInput === undefined) {
|
|
|
894 options.fileInput = this.element.is('input:file') ?
|
|
|
895 this.element : this.element.find('input:file');
|
|
|
896 } else if (!(options.fileInput instanceof $)) {
|
|
|
897 options.fileInput = $(options.fileInput);
|
|
|
898 }
|
|
|
899 if (!(options.dropZone instanceof $)) {
|
|
|
900 options.dropZone = $(options.dropZone);
|
|
|
901 }
|
|
|
902 },
|
|
|
903
|
|
|
904 _create: function () {
|
|
|
905 var options = this.options;
|
|
|
906 // Initialize options set via HTML5 data-attributes:
|
|
|
907 $.extend(options, $(this.element[0].cloneNode(false)).data());
|
|
|
908 options.namespace = options.namespace || this.widgetName;
|
|
|
909 this._initSpecialOptions();
|
|
|
910 this._slots = [];
|
|
|
911 this._sequence = this._getXHRPromise(true);
|
|
|
912 this._sending = this._active = this._loaded = this._total = 0;
|
|
|
913 this._initEventHandlers();
|
|
|
914 },
|
|
|
915
|
|
|
916 destroy: function () {
|
|
|
917 this._destroyEventHandlers();
|
|
|
918 $.Widget.prototype.destroy.call(this);
|
|
|
919 },
|
|
|
920
|
|
|
921 enable: function () {
|
|
|
922 $.Widget.prototype.enable.call(this);
|
|
|
923 this._initEventHandlers();
|
|
|
924 },
|
|
|
925
|
|
|
926 disable: function () {
|
|
|
927 this._destroyEventHandlers();
|
|
|
928 $.Widget.prototype.disable.call(this);
|
|
|
929 },
|
|
|
930
|
|
|
931 // This method is exposed to the widget API and allows adding files
|
|
|
932 // using the fileupload API. The data parameter accepts an object which
|
|
|
933 // must have a files property and can contain additional options:
|
|
|
934 // .fileupload('add', {files: filesList});
|
|
|
935 add: function (data) {
|
|
|
936 if (!data || this.options.disabled) {
|
|
|
937 return;
|
|
|
938 }
|
|
|
939 if (data.fileInput && !data.files) {
|
|
|
940 data.files = this._getFileInputFiles(data.fileInput);
|
|
|
941 } else {
|
|
|
942 data.files = $.each($.makeArray(data.files), this._normalizeFile);
|
|
|
943 }
|
|
|
944 this._onAdd(null, data);
|
|
|
945 },
|
|
|
946
|
|
|
947 // This method is exposed to the widget API and allows sending files
|
|
|
948 // using the fileupload API. The data parameter accepts an object which
|
|
|
949 // must have a files property and can contain additional options:
|
|
|
950 // .fileupload('send', {files: filesList});
|
|
|
951 // The method returns a Promise object for the file upload call.
|
|
|
952 send: function (data) {
|
|
|
953 if (data && !this.options.disabled) {
|
|
|
954 if (data.fileInput && !data.files) {
|
|
|
955 data.files = this._getFileInputFiles(data.fileInput);
|
|
|
956 } else {
|
|
|
957 data.files = $.each($.makeArray(data.files), this._normalizeFile);
|
|
|
958 }
|
|
|
959 if (data.files.length) {
|
|
|
960 return this._onSend(null, data);
|
|
|
961 }
|
|
|
962 }
|
|
|
963 return this._getXHRPromise(false, data && data.context);
|
|
|
964 }
|
|
|
965
|
|
|
966 });
|
|
|
967
|
|
|
968 }));
|
