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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/active_record/src/lmbARRelationCollection.class.php');
  10  
  11  /**

  12   * class lmbAROneToManyCollection.

  13   *

  14   * @package active_record

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

  16   */
  17  class lmbAROneToManyCollection extends lmbARRelationCollection
  18  {
  19    protected function _createDbRecordSet($extra_criteria = null)
  20    {
  21      $class = $this->relation_info['class'];
  22      $object = new $class(null, $this->conn);
  23      $criteria = new lmbSQLFieldCriteria($this->relation_info['field'], $this->owner->getId());
  24  
  25      if($extra_criteria)
  26        $criteria->addAnd($extra_criteria);
  27  
  28      return $object->getDbTable()->select($criteria);
  29    }
  30  
  31    function add($object)
  32    {
  33      $property = $object->mapFieldToProperty($this->relation_info['field']);
  34      $object->set($property, $this->owner);
  35  
  36      parent :: add($object);
  37    }
  38  
  39    function set($objects)
  40    {
  41      $old_objects = array();
  42      foreach($this as $obj)
  43        $old_objects[$obj->getId()] = $obj;
  44  
  45      foreach($objects as $obj)
  46      {
  47        if(!isset($old_objects[$obj->getId()]))
  48          $this->add($obj);
  49        else
  50        {
  51          $obj->save();
  52          unset($old_objects[$obj->getId()]);
  53        }
  54      }
  55  
  56      foreach($old_objects as $obj)
  57        $obj->destroy();
  58    }
  59  
  60    protected function _removeRelatedRecords()
  61    {
  62      lmbActiveRecord :: delete($this->relation_info['class'],
  63                                new lmbSQLFieldCriteria($this->relation_info['field'], $this->owner->getId()),
  64                                $this->conn);
  65    }
  66  
  67    protected function _saveObject($object, $error_list = null)
  68    {
  69      $object->set($this->relation_info['field'], $this->owner->getId());
  70      $object->save($error_list);
  71    }
  72  
  73    function nullify()
  74    {
  75      $rs = $this->find();
  76      foreach($rs as $object)
  77      {
  78        $object->set($this->relation_info['field'], null);
  79        $object->save();
  80      }
  81  
  82    }
  83  }
  84  
  85  ?>