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   1  <?php
   2  /*

   3   * Limb PHP Framework

   4   *

   5   * @link http://limb-project.com

   6   * @copyright  Copyright &copy; 2004-2007 BIT(http://bit-creative.com)

   7   * @license    LGPL http://www.gnu.org/copyleft/lesser.html

   8   */
   9  lmb_require('limb/core/src/lmbCollectionDecorator.class.php');
  10  lmb_require('limb/core/src/lmbClassPath.class.php');
  11  
  12  /**

  13   * class lmbARRecordSetDecorator.

  14   *

  15   * @package active_record

  16   * @version $Id: lmbARRecordSetDecorator.class.php 5997 2007-06-18 12:27:21Z pachanga $

  17   */
  18  class lmbARRecordSetDecorator extends lmbCollectionDecorator
  19  {
  20    protected $class_path;
  21    protected $conn;
  22  
  23    function __construct($record_set, $class_path = '', $conn = null)
  24    {
  25      $this->class_path = $class_path;
  26      $this->conn = $conn;
  27  
  28      parent :: __construct($record_set);
  29    }
  30  
  31    function setClassPath($class_path)
  32    {
  33      $this->class_path = $class_path;
  34    }
  35  
  36    function current()
  37    {
  38      if(!$this->class_path)
  39        throw new lmbException('ActiveRecord class path is not defined');
  40  
  41      if(!$record = parent :: current())
  42        return null;
  43  
  44      return $this->_createObjectFromRecord($record);
  45    }
  46  
  47    protected function _createObjectFromRecord($record)
  48    {
  49      $object = $this->_createObject($record);
  50      $object->loadFromRecord($record);
  51      return $object;
  52    }
  53  
  54    protected function _createObject($record)
  55    {
  56      if($path = $record->get(lmbActiveRecord :: getInheritanceField()))
  57      {
  58        $class = end(lmbActiveRecord :: decodeInheritancePath($path));
  59        if(!class_exists($class))
  60          throw new lmbException("Class '$class' not found");
  61        return new $class(null, $this->conn);
  62      }
  63      else
  64        return lmbClassPath :: create($this->class_path, array(null, $this->conn));
  65    }
  66  
  67    function at($pos)
  68    {
  69      if(!$record = parent :: at($pos))
  70        return null;
  71  
  72      return $this->_createObjectFromRecord($record);
  73    }
  74  }
  75  
  76  ?>