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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  declare(strict_types=1);
  18  
  19  namespace core\output;
  20  
  21  use core\output\dynamic_tabs\base;
  22  use renderer_base;
  23  use templatable;
  24  
  25  /**
  26   * Class dynamic tabs
  27   *
  28   * @package     core
  29   * @copyright   2018 Marina Glancy
  30   * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  31   */
  32  class dynamic_tabs implements templatable {
  33  
  34      /** @var base[]  */
  35      protected $tabs = [];
  36  
  37      /**
  38       * tabs constructor.
  39       *
  40       * @param base[] $tabs array of tab
  41       */
  42      public function __construct(array $tabs = []) {
  43          foreach ($tabs as $tab) {
  44              $this->add_tab($tab);
  45          }
  46      }
  47  
  48      /**
  49       * Add a tab
  50       *
  51       * @param base $tab
  52       */
  53      public function add_tab(base $tab): void {
  54          $this->tabs[] = $tab;
  55      }
  56  
  57      /**
  58       * Implementation of exporter from templatable interface
  59       *
  60       * @param renderer_base $output
  61       * @return array
  62       */
  63      public function export_for_template(renderer_base $output): array {
  64          $data = [
  65              'tabs' => []
  66          ];
  67  
  68          foreach ($this->tabs as $tab) {
  69              $dataattributes = [];
  70              foreach ($tab->get_data() as $name => $value) {
  71                  $dataattributes[] = ['name' => $name, 'value' => $value];
  72              }
  73  
  74              $data['tabs'][] = [
  75                  'shortname' => $tab->get_tab_id(),
  76                  'displayname' => $tab->get_tab_label(),
  77                  'enabled' => $tab->is_available(),
  78                  'tabclass' => get_class($tab),
  79                  'dataattributes' => $dataattributes,
  80              ];
  81          }
  82  
  83          $data['showtabsnavigation'] = (count($data['tabs']) > 1) ? 1 : 0;
  84  
  85          return $data;
  86      }
  87  }