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| 1 | +<?php |
| 2 | +// This file is part of Moodle - http://moodle.org/ |
| 3 | +// |
| 4 | +// Moodle is free software: you can redistribute it and/or modify |
| 5 | +// it under the terms of the GNU General Public License as published by |
| 6 | +// the Free Software Foundation, either version 3 of the License, or |
| 7 | +// (at your option) any later version. |
| 8 | +// |
| 9 | +// Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>. |
| 16 | +namespace mod_questionnaire\question; |
| 17 | +use core_media_manager; |
| 18 | +use form_filemanager; |
| 19 | +use mod_questionnaire\responsetype\response\response; |
| 20 | +use moodle_url; |
| 21 | +use MoodleQuickForm; |
| 22 | + |
| 23 | +/** |
| 24 | + * This file contains the parent class for text question types. |
| 25 | + * |
| 26 | + * @author Laurent David |
| 27 | + * @author Martin Cornu-Mansuy |
| 28 | + * @copyright 2023 onward CALL Learning <[email protected]> |
| 29 | + * @license http://www.gnu.org/copyleft/gpl.html GNU Public License |
| 30 | + * @package mod_questionnaire |
| 31 | + */ |
| 32 | +class file extends question { |
| 33 | + |
| 34 | + /** |
| 35 | + * Get name. |
| 36 | + * |
| 37 | + * @return string |
| 38 | + */ |
| 39 | + public function helpname() { |
| 40 | + return 'file'; |
| 41 | + } |
| 42 | + |
| 43 | + /** |
| 44 | + * Override and return a form template if provided. Output of question_survey_display is iterpreted based on this. |
| 45 | + * |
| 46 | + * @return boolean | string |
| 47 | + */ |
| 48 | + public function question_template() { |
| 49 | + return false; |
| 50 | + } |
| 51 | + |
| 52 | + /** |
| 53 | + * Override and return a response template if provided. Output of response_survey_display is iterpreted based on this. |
| 54 | + * |
| 55 | + * @return boolean | string |
| 56 | + */ |
| 57 | + public function response_template() { |
| 58 | + return false; |
| 59 | + } |
| 60 | + |
| 61 | + /** |
| 62 | + * Get response class. |
| 63 | + * |
| 64 | + * @return object|string |
| 65 | + */ |
| 66 | + protected function responseclass() { |
| 67 | + return '\\mod_questionnaire\\responsetype\\file'; |
| 68 | + } |
| 69 | + |
| 70 | + /** |
| 71 | + * Survey display output. |
| 72 | + * |
| 73 | + * @param response $response |
| 74 | + * @param object $descendantsdata |
| 75 | + * @param bool $blankquestionnaire |
| 76 | + * @return string |
| 77 | + */ |
| 78 | + protected function question_survey_display($response, $descendantsdata, $blankquestionnaire = false) { |
| 79 | + global $CFG, $PAGE; |
| 80 | + require_once($CFG->libdir . '/filelib.php'); |
| 81 | + |
| 82 | + $elname = 'q' . $this->id; |
| 83 | + // Make sure there is a response, fetch the draft id from the original request. |
| 84 | + if (isset($response->answers[$this->id]) && !empty($response->answers[$this->id]) && isset($_REQUEST[$elname . 'draft'])) { |
| 85 | + $draftitemid = (int)$_REQUEST[$elname . 'draft']; |
| 86 | + } else { |
| 87 | + $draftitemid = file_get_submitted_draft_itemid($elname); |
| 88 | + } |
| 89 | + if ($draftitemid > 0) { |
| 90 | + file_prepare_draft_area($draftitemid, $this->context->id, |
| 91 | + 'mod_questionnaire', 'file', $this->id, self::get_file_manager_option()); |
| 92 | + } else { |
| 93 | + $draftitemid = file_get_unused_draft_itemid(); |
| 94 | + } |
| 95 | + // Filemanager form element implementation is far from optimal, we need to rework this if we ever fix it... |
| 96 | + require_once("$CFG->dirroot/lib/form/filemanager.php"); |
| 97 | + |
| 98 | + $options = array_merge(self::get_file_manager_option(), [ |
| 99 | + 'client_id' => uniqid(), |
| 100 | + 'itemid' => $draftitemid, |
| 101 | + 'target' => $this->id, |
| 102 | + 'name' => $elname, |
| 103 | + ]); |
| 104 | + $fm = new form_filemanager((object)$options); |
| 105 | + $output = $PAGE->get_renderer('core', 'files'); |
| 106 | + |
| 107 | + $html = '<div class="form-filemanager" data-fieldtype="filemanager">' . |
| 108 | + $output->render($fm) . |
| 109 | + '<input type="hidden" name="' . $elname . '" value="' . $draftitemid . '" />' . |
| 110 | + '<input type="hidden" name="' . $elname . 'draft" value="' . $draftitemid . '" />' . |
| 111 | + '</div>'; |
| 112 | + |
| 113 | + return $html; |
| 114 | + } |
| 115 | + |
| 116 | + /** |
| 117 | + * Check question's form data for complete response. |
| 118 | + * @param \stdClass $responsedata The data entered into the response. |
| 119 | + * @return bool |
| 120 | + */ |
| 121 | + public function response_complete($responsedata) { |
| 122 | + $answered = false; |
| 123 | + // If $responsedata is a response object, look through the answers. |
| 124 | + if (is_a($responsedata, 'mod_questionnaire\responsetype\response\response') && |
| 125 | + isset($responsedata->answers[$this->id]) && !empty($responsedata->answers[$this->id]) |
| 126 | + ) { |
| 127 | + $answer = reset($responsedata->answers[$this->id]); |
| 128 | + $answered = ((int)$answer->value > 0); |
| 129 | + } else if (isset($responsedata->{'q'.$this->id})) { |
| 130 | + // If $responsedata is webform data, check that it is not empty. |
| 131 | + $draftitemid = (int)$responsedata->{'q' . $this->id}; |
| 132 | + if ($draftitemid > 0) { |
| 133 | + $info = file_get_draft_area_info($draftitemid); |
| 134 | + $answered = $info['filecount'] > 0; |
| 135 | + } |
| 136 | + } |
| 137 | + return !($this->required() && ($this->deleted == 'n') && !$answered); |
| 138 | + } |
| 139 | + |
| 140 | + /** |
| 141 | + * Get file manager options |
| 142 | + * |
| 143 | + * @return array |
| 144 | + */ |
| 145 | + public static function get_file_manager_option() { |
| 146 | + return [ |
| 147 | + 'mainfile' => '', |
| 148 | + 'subdirs' => false, |
| 149 | + 'accepted_types' => ['image', '.pdf'], |
| 150 | + 'maxfiles' => 1, |
| 151 | + ]; |
| 152 | + } |
| 153 | + |
| 154 | + /** |
| 155 | + * Response display output. |
| 156 | + * |
| 157 | + * @param \stdClass $data |
| 158 | + * @return string |
| 159 | + */ |
| 160 | + protected function response_survey_display($data) { |
| 161 | + global $PAGE, $CFG; |
| 162 | + require_once($CFG->libdir . '/filelib.php'); |
| 163 | + require_once($CFG->libdir . '/resourcelib.php'); |
| 164 | + if (isset($data->answers[$this->id])) { |
| 165 | + $answer = reset($data->answers[$this->id]); |
| 166 | + } else { |
| 167 | + return ''; |
| 168 | + } |
| 169 | + $fs = get_file_storage(); |
| 170 | + $file = $fs->get_file_by_id($answer->value); |
| 171 | + $code = ''; |
| 172 | + |
| 173 | + if ($file) { |
| 174 | + // There is a file. |
| 175 | + $moodleurl = moodle_url::make_pluginfile_url( |
| 176 | + $file->get_contextid(), |
| 177 | + $file->get_component(), |
| 178 | + $file->get_filearea(), |
| 179 | + $file->get_itemid(), |
| 180 | + $file->get_filepath(), |
| 181 | + $file->get_filename() |
| 182 | + ); |
| 183 | + |
| 184 | + $mimetype = $file->get_mimetype(); |
| 185 | + $title = ''; |
| 186 | + |
| 187 | + $mediamanager = core_media_manager::instance($PAGE); |
| 188 | + $embedoptions = array( |
| 189 | + core_media_manager::OPTION_TRUSTED => true, |
| 190 | + core_media_manager::OPTION_BLOCK => true, |
| 191 | + ); |
| 192 | + |
| 193 | + if (file_mimetype_in_typegroup($mimetype, 'web_image')) { // It's an image. |
| 194 | + $code = resourcelib_embed_image($moodleurl->out(), $title); |
| 195 | + |
| 196 | + } else if ($mimetype === 'application/pdf') { |
| 197 | + // PDF document. |
| 198 | + $code = resourcelib_embed_pdf($moodleurl->out(), $title, get_string('view')); |
| 199 | + |
| 200 | + } else if ($mediamanager->can_embed_url($moodleurl, $embedoptions)) { |
| 201 | + // Media (audio/video) file. |
| 202 | + $code = $mediamanager->embed_url($moodleurl, $title, 0, 0, $embedoptions); |
| 203 | + |
| 204 | + } else { |
| 205 | + // We need a way to discover if we are loading remote docs inside an iframe. |
| 206 | + $moodleurl->param('embed', 1); |
| 207 | + |
| 208 | + // Anything else - just try object tag enlarged as much as possible. |
| 209 | + $code = resourcelib_embed_general($moodleurl, $title, get_string('view'), $mimetype); |
| 210 | + } |
| 211 | + } |
| 212 | + return '<div class="response text">' . $code . '</div>'; |
| 213 | + } |
| 214 | + |
| 215 | + /** |
| 216 | + * Add the length element as hidden. |
| 217 | + * |
| 218 | + * @param \MoodleQuickForm $mform |
| 219 | + * @param string $helpname |
| 220 | + * @return \MoodleQuickForm |
| 221 | + */ |
| 222 | + protected function form_length(MoodleQuickForm $mform, $helpname = '') { |
| 223 | + return question::form_length_hidden($mform); |
| 224 | + } |
| 225 | + |
| 226 | + /** |
| 227 | + * Add the precise element as hidden. |
| 228 | + * |
| 229 | + * @param \MoodleQuickForm $mform |
| 230 | + * @param string $helpname |
| 231 | + * @return \MoodleQuickForm |
| 232 | + */ |
| 233 | + protected function form_precise(MoodleQuickForm $mform, $helpname = '') { |
| 234 | + return question::form_precise_hidden($mform); |
| 235 | + } |
| 236 | + |
| 237 | +} |
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