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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   * action to delete (or hide) a question, or restore a previously hidden question.
  19   *
  20   * @package   core_question
  21   * @copyright 2009 Tim Hunt
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  namespace core_question\bank;
  26  defined('MOODLE_INTERNAL') || die();
  27  
  28  
  29  /**
  30   * action to delete (or hide) a question, or restore a previously hidden question.
  31   *
  32   * @copyright 2009 Tim Hunt
  33   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  34   */
  35  class delete_action_column extends menu_action_column_base {
  36      protected $strdelete;
  37      protected $strrestore;
  38  
  39      public function init() {
  40          parent::init();
  41          $this->strdelete = get_string('delete');
  42          $this->strrestore = get_string('restore');
  43      }
  44  
  45      public function get_name() {
  46          return 'deleteaction';
  47      }
  48  
  49      /**
  50       * Work out the info required to display this action, if appropriate.
  51       *
  52       * If the action is not appropriate to this question, return [null, null, null].
  53       *
  54       * Otherwise return an array with three elements:
  55       * moodel_url $url the URL to perform the action.
  56       * string $icon the icon name. E.g. 't/delete'.
  57       * string $label the label to display.
  58       *
  59       * @param object $question the row from the $question table, augmented with extra information.
  60       * @return array [$url, $label, $icon] as above.
  61       */
  62      protected function get_url_icon_and_label(\stdClass $question): array {
  63          if (!question_has_capability_on($question, 'edit')) {
  64              return [null, null, null];
  65          }
  66          if ($question->hidden) {
  67              $url = new \moodle_url($this->qbank->base_url(), array('unhide' => $question->id, 'sesskey' => sesskey()));
  68              return [$url, 't/restore', $this->strrestore];
  69          } else {
  70              $url = new \moodle_url($this->qbank->base_url(), array('deleteselected' => $question->id, 'q' . $question->id => 1,
  71                      'sesskey' => sesskey()));
  72              return [$url, 't/delete', $this->strdelete];
  73          }
  74      }
  75  
  76      public function get_required_fields() {
  77          $required = parent::get_required_fields();
  78          $required[] = 'q.hidden';
  79          return $required;
  80      }
  81  }