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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   * Settings class for format_singleactivity
  19   *
  20   * @package    format_singleactivity
  21   * @copyright  2013 Marina Glancy
  22   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die;
  26  
  27  /**
  28   * Admin settings class for the format singleactivity activitytype choice
  29   *
  30   * @package    format_singleactivity
  31   * @copyright  2013 Marina Glancy
  32   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  33   */
  34  class format_singleactivity_admin_setting_activitytype extends admin_setting_configselect {
  35      /**
  36       * This function may be used in ancestors for lazy loading of choices
  37       *
  38       * Override this method if loading of choices is expensive, such
  39       * as when it requires multiple db requests.
  40       *
  41       * @return bool true if loaded, false if error
  42       */
  43      public function load_choices() {
  44          global $CFG;
  45          require_once($CFG->dirroot. '/course/format/singleactivity/lib.php');
  46          if (is_array($this->choices)) {
  47              return true;
  48          }
  49          $this->choices = format_singleactivity::get_supported_activities();
  50          return true;
  51      }
  52  }