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Developer Documentation

See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
   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   * A base class for actions that are an icon that lets you manipulate the question in some way.
  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   * A base class for actions that are an icon that lets you manipulate the question in some way.
  31   *
  32   * @copyright 2009 Tim Hunt
  33   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  34   */
  35  abstract class action_column_base extends column_base {
  36  
  37      protected function get_title() {
  38          return '&#160;';
  39      }
  40  
  41      public function get_extra_classes() {
  42          return array('iconcol');
  43      }
  44  
  45      protected function print_icon($icon, $title, $url) {
  46          global $OUTPUT;
  47          echo '<a title="' . $title . '" href="' . $url . '">' . $OUTPUT->pix_icon($icon, $title) . '</a>';
  48      }
  49  
  50      public function get_extra_joins() {
  51          return array('qc' => 'JOIN {question_categories} qc ON qc.id = q.category');
  52      }
  53  
  54      public function get_required_fields() {
  55          // Createdby is required for permission checks.
  56          // Qtype so we can easily avoid applying actions to question types that
  57          // are no longer installed.
  58          return ['q.id', 'q.qtype', 'q.createdby', 'qc.contextid'];
  59      }
  60  }