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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   * Subplugin info class.
  19   *
  20   * @package   mod_data
  21   * @copyright 2013 Petr Skoda {@link http://skodak.org}
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  namespace mod_data\plugininfo;
  25  
  26  use core\plugininfo\base;
  27  
  28  defined('MOODLE_INTERNAL') || die();
  29  
  30  
  31  class datafield extends base {
  32      public function is_uninstall_allowed() {
  33          global $DB;
  34          return !$DB->record_exists('data_fields', array('type'=>$this->name));
  35      }
  36  }