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   1  <?php
   2  
   3  /**
   4   * Joomla! Content Management System
   5   *
   6   * @copyright  (C) 2016 Open Source Matters, Inc. <https://www.joomla.org>
   7   * @license    GNU General Public License version 2 or later; see LICENSE
   8   */
   9  
  10  namespace Joomla\CMS\Event\Table;
  11  
  12  use BadMethodCallException;
  13  
  14  // phpcs:disable PSR1.Files.SideEffects
  15  \defined('JPATH_PLATFORM') or die;
  16  // phpcs:enable PSR1.Files.SideEffects
  17  
  18  /**
  19   * Event class for JTable's onBeforeLoad event
  20   *
  21   * @since  4.0.0
  22   */
  23  class BeforeLoadEvent extends AbstractEvent
  24  {
  25      /**
  26       * Constructor.
  27       *
  28       * Mandatory arguments:
  29       * subject  JTableInterface The table we are operating on
  30       * keys     mixed           The optional primary key value to load the row by, or an array of fields to match.
  31       * reset    boolean         True to reset the default values before loading the new row.
  32       *
  33       * @param   string  $name       The event name.
  34       * @param   array   $arguments  The event arguments.
  35       *
  36       * @throws  BadMethodCallException
  37       */
  38      public function __construct($name, array $arguments = array())
  39      {
  40          if (!\array_key_exists('keys', $arguments)) {
  41              throw new BadMethodCallException("Argument 'keys' is required for event $name");
  42          }
  43  
  44          if (!\array_key_exists('reset', $arguments)) {
  45              throw new BadMethodCallException("Argument 'reset' is required for event $name");
  46          }
  47  
  48          parent::__construct($name, $arguments);
  49      }
  50  
  51      /**
  52       * Setter for the reset attribute
  53       *
  54       * @param   mixed  $value  The value to set
  55       *
  56       * @return  boolean  Normalised value
  57       */
  58      protected function setReset($value)
  59      {
  60          return $value ? true : false;
  61      }
  62  }