| 
 | 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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