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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  
  17  /**
  18   * Helper functions and callbacks.
  19   *
  20   * @package    qbank_exporttoxml
  21   * @copyright  2023 The Open University
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  use core\plugininfo\qbank;
  26  use qbank_exporttoxml\helper;
  27  
  28  /**
  29   * Callback to add content to the question preview screen.
  30   *
  31   * @param question_definition $question the question being previewed.
  32   * @param int $courseid the course id.
  33   * @return string HTML to add to the question preview screen.
  34   */
  35  function qbank_exporttoxml_preview_display(question_definition $question, int $courseid): string {
  36      if (!qbank::is_plugin_enabled('qbank_exporttoxml')) {
  37          return '';
  38      }
  39  
  40      if (!question_has_capability_on($question, 'view')) {
  41          return '';
  42      }
  43  
  44      $exporturl = helper::question_get_export_single_question_url($question);
  45      return html_writer::div(html_writer::link($exporturl, get_string('exportonequestion', 'question')));
  46  }