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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  namespace qbank_history;
  18  
  19  use core_question\local\bank\menu_action_column_base;
  20  
  21  /**
  22   * Question bank column for the history action icon.
  23   *
  24   * @package    qbank_history
  25   * @copyright  2022 Catalyst IT Australia Pty Ltd
  26   * @author     Safat Shahin <safatshahin@catalyst-au.net>
  27   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  28   */
  29  class history_action_column extends menu_action_column_base {
  30  
  31      // Store this lang string for performance.
  32      protected $strpreview;
  33  
  34      public function init(): void {
  35          parent::init();
  36          $this->strpreview = get_string('history_action', 'qbank_history');
  37      }
  38  
  39      public function get_extra_classes(): array {
  40          return ['pr-3'];
  41      }
  42  
  43      public function get_name(): string {
  44          return 'historyaction';
  45      }
  46  
  47      protected function get_url_icon_and_label(\stdClass $question): array {
  48          if (!\question_bank::is_qtype_installed($question->qtype)) {
  49              // It sometimes happens that people end up with junk questions
  50              // in their question bank of a type that is no longer installed.
  51              // We cannot do most actions on them, because that leads to errors.
  52              return [null, null, null];
  53          }
  54  
  55          if (question_has_capability_on($question, 'use')) {
  56              $url = helper::question_history_url($question->questionbankentryid, $this->qbank->returnurl,
  57                                                                      $this->qbank->course->id);
  58              return [$url, 't/log', $this->strpreview];
  59          }
  60  
  61          return [null, null, null];
  62      }
  63  
  64  }