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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.

Differences Between: [Versions 401 and 403]

   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 core\output;
  18  
  19  use context;
  20  use renderable;
  21  use stdClass;
  22  use templatable;
  23  
  24  /**
  25   * The filter renderable class.
  26   *
  27   * @package    core
  28   * @copyright  2021 Catalyst IT Australia Pty Ltd
  29   * @author     Tomo Tsuyuki <tomotsuyuki@catalyst-au.net>
  30   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  31   */
  32  abstract class datafilter implements renderable, templatable {
  33  
  34      /** @var context $context The context where the filters are being rendered. */
  35      protected $context;
  36  
  37      /** @var string $tableregionid Container of the table to be updated by this filter, is used to retrieve the table */
  38      protected $tableregionid;
  39  
  40      /** @var stdClass $course The course shown */
  41      protected $course;
  42  
  43      /**
  44       * Filter constructor.
  45       *
  46       * @param context $context The context where the filters are being rendered
  47       * @param string|null $tableregionid Container of the table which will be updated by this filter
  48       */
  49      public function __construct(context $context, ?string $tableregionid = null) {
  50          $this->context = $context;
  51          $this->tableregionid = $tableregionid;
  52  
  53          if ($context instanceof \context_course) {
  54              $this->course = get_course($context->instanceid);
  55          }
  56      }
  57  
  58      /**
  59       * Get data for all filter types.
  60       *
  61       * @return array
  62       */
  63      abstract protected function get_filtertypes(): array;
  64  
  65      /**
  66       * Get a standardised filter object.
  67       *
  68       * @param string $name
  69       * @param string $title
  70       * @param bool $custom
  71       * @param bool $multiple
  72       * @param string|null $filterclass
  73       * @param array $values
  74       * @param bool $allowempty
  75       * @return stdClass|null
  76       */
  77      protected function get_filter_object(
  78          string $name,
  79          string $title,
  80          bool $custom,
  81          bool $multiple,
  82          ?string $filterclass,
  83          array $values,
  84          bool $allowempty = false
  85      ): ?stdClass {
  86  
  87          if (!$allowempty && empty($values)) {
  88              // Do not show empty filters.
  89              return null;
  90          }
  91  
  92          return (object) [
  93              'name' => $name,
  94              'title' => $title,
  95              'allowcustom' => $custom,
  96              'allowmultiple' => $multiple,
  97              'filtertypeclass' => $filterclass,
  98              'values' => $values,
  99          ];
 100      }
 101  }