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Differences Between: [Versions 39 and 401] [Versions 39 and 402] [Versions 39 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  /**
  18   * Class that builds an element tree that can be converted to a string
  19   *
  20   * @package   gradereport_singleview
  21   * @copyright 2014 Moodle Pty Ltd (http://moodle.com)
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  namespace gradereport_singleview\local\ui;
  26  
  27  defined('MOODLE_INTERNAL') || die;
  28  
  29  /**
  30   * Class that builds an element tree that can be converted to a string
  31   *
  32   * @package   gradereport_singleview
  33   * @copyright 2014 Moodle Pty Ltd (http://moodle.com)
  34   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  35   */
  36  abstract class attribute_format {
  37  
  38      /**
  39       * Used to convert this class to an "element" which can be converted to a string.
  40       * @return element
  41       */
  42      abstract public function determine_format();
  43  
  44      /**
  45       * Convert this to an element and then to a string
  46       * @return string
  47       */
  48      public function __toString() {
  49          return $this->determine_format()->html();
  50      }
  51  }
  52