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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2008-2010 (original work) Deutsche Institut für Internationale Pädagogische Forschung |
| 19 | * (under the project TAO-TRANSFER); |
| 20 | * 2009-2012 (update and modification) Public Research Centre Henri Tudor |
| 21 | * (under the project TAO-SUSTAIN & TAO-DEV); |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | use oat\generis\Helper\SystemHelper; |
| 26 | use oat\tao\helpers\form\elements\xhtml\XhtmlRenderingTrait; |
| 27 | |
| 28 | /** |
| 29 | * Short description of class tao_helpers_form_elements_xhtml_AsyncFile |
| 30 | * |
| 31 | * @access public |
| 32 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 33 | * @package tao |
| 34 | */ |
| 35 | class tao_helpers_form_elements_xhtml_AsyncFile extends tao_helpers_form_elements_AsyncFile |
| 36 | { |
| 37 | use XhtmlRenderingTrait; |
| 38 | |
| 39 | /** |
| 40 | * Short description of method feed |
| 41 | * |
| 42 | * @access public |
| 43 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 44 | */ |
| 45 | public function feed() |
| 46 | { |
| 47 | common_Logger::t('Evaluating AsyncFile ' . $this->getName(), [ |
| 48 | 'TAO']); |
| 49 | if (isset($_POST[$this->name])) { |
| 50 | $struct = json_decode($_POST[$this->name], true); |
| 51 | if ($struct !== false) { |
| 52 | $this->setValue($struct); |
| 53 | } else { |
| 54 | common_Logger::w('Could not unserialise AsyncFile field ' . $this->getName(), [ |
| 55 | 'TAO']); |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Short description of method render |
| 62 | * |
| 63 | * @access public |
| 64 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 65 | * @return string |
| 66 | */ |
| 67 | public function render() |
| 68 | { |
| 69 | $widgetName = 'Uploader_' . md5($this->name); |
| 70 | |
| 71 | $returnValue = $this->renderLabel(); |
| 72 | $returnValue .= "<input type='hidden' name='{$this->name}' id='{$this->name}' value='' />"; |
| 73 | $returnValue .= "<div id='{$widgetName}_container' class='form-elt-container file-uploader'>"; |
| 74 | |
| 75 | // get the upload max size |
| 76 | $fileSize = SystemHelper::getFileUploadLimit(); |
| 77 | |
| 78 | $mimetypes = []; |
| 79 | |
| 80 | // add a client validation |
| 81 | foreach ($this->validators as $validator) { |
| 82 | // get the valid file extensions |
| 83 | if ($validator instanceof tao_helpers_form_validators_FileMimeType) { |
| 84 | $options = $validator->getOptions(); |
| 85 | if (isset($options['mimetype'])) { |
| 86 | $mimetypes = $options['mimetype']; |
| 87 | } |
| 88 | } |
| 89 | // get the max file size |
| 90 | if ($validator instanceof tao_helpers_form_validators_FileSize) { |
| 91 | $options = $validator->getOptions(); |
| 92 | if (isset($options['max'])) { |
| 93 | $validatorMax = (int) $options['max']; |
| 94 | if ($validatorMax > 0 && $validatorMax < $fileSize) { |
| 95 | $fileSize = $validatorMax; |
| 96 | } |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | |
| 101 | // default value for 'auto' is 'true': |
| 102 | $auto = 'true'; |
| 103 | if (isset($this->attributes['auto'])) { |
| 104 | if (! $this->attributes['auto'] || $this->attributes['auto'] === 'false') { |
| 105 | $auto = 'false'; |
| 106 | } |
| 107 | unset($this->attributes['auto']); |
| 108 | } |
| 109 | |
| 110 | // initialize the Uploader Js component |
| 111 | $returnValue .= '<script type="text/javascript"> |
| 112 | require([\'jquery\', \'i18n\', \'ui/feedback\', \'ui/uploader\'], function($, __, feedback){ |
| 113 | $("#' . $widgetName . '_container").uploader({ |
| 114 | uploadUrl: "' . ROOT_URL . 'tao/File/upload", |
| 115 | autoUpload: "' . $auto . '" , |
| 116 | showResetButton: "' . ! $auto . '" , |
| 117 | showUploadButton: "' . ! $auto . '" , |
| 118 | fileSelect : function(files, done){ |
| 119 | var error = [], |
| 120 | files = files.filter(_.isObject),// due to Chrome drag\'n\'drop issue |
| 121 | givenLength = files.length, |
| 122 | filters = "' . implode(',', $mimetypes) . '" |
| 123 | .split(",") |
| 124 | .filter(function(e){return e.length}); |
| 125 | |
| 126 | if (filters.length){ |
| 127 | |
| 128 | files = _.filter(files, function(file){ |
| 129 | // IE9 doesnt detect type, so lets rely on server validation |
| 130 | return !file.type |
| 131 | || _.includes(filters, file.type.replace(/[\'"]+/g, \'\')); |
| 132 | }); |
| 133 | |
| 134 | if(files.length !== givenLength){ |
| 135 | error.push( |
| 136 | "' . __("Unauthorized files have been removed") . '" |
| 137 | ); |
| 138 | } |
| 139 | |
| 140 | } |
| 141 | |
| 142 | files = _.filter(files, function(file){ |
| 143 | return file.size <= ' . $fileSize . '; |
| 144 | }); |
| 145 | |
| 146 | if(files.length !== givenLength && !error.length){ |
| 147 | error.push( "Size limit is ' . $fileSize . ' bytes"); |
| 148 | } |
| 149 | |
| 150 | if (error.length){ |
| 151 | feedback().error(error.join(",")); |
| 152 | } |
| 153 | |
| 154 | done(files); |
| 155 | if ( ' . $auto . ' ){ |
| 156 | $(this).uploader("upload"); |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | }).on("upload.uploader", function(e, file, result){ |
| 161 | if ( result && result.uploaded ){ |
| 162 | $("input[name=\'' . $this->getName() . '\']").val(result.data); |
| 163 | } |
| 164 | }) |
| 165 | }); |
| 166 | </script>'; |
| 167 | $returnValue .= "</div>"; |
| 168 | |
| 169 | return (string) $returnValue; |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Short description of method getEvaluatedValue |
| 174 | * |
| 175 | * @access public |
| 176 | * @author Joel Bout, <joel.bout@tudor.lu> |
| 177 | * @return mixed |
| 178 | */ |
| 179 | public function getEvaluatedValue() |
| 180 | { |
| 181 | return $this->getRawValue(); |
| 182 | } |
| 183 | } |