编辑 sfReversiblePropelPager.class.php

✏️ 编辑：sfReversiblePropelPager.class.php

路径：/virtual/bigbrother/sns/lib/addon/sfReversiblePropelPager.class.php

大小：3.05 KB · 修改：2010-08-10 13:59:42 · 权限：0644 · 可写

<?php

/**
 * This file is part of the OpenPNE package.
 * (c) OpenPNE Project (http://www.openpne.jp/)
 *
 * For the full copyright and license information, please view the LICENSE
 * file and the NOTICE file that were distributed with this source code.
 */

/**
 * sfReversiblePropelPager class.
 *
 * @package    OpenPNE
 * @subpackage addon
 * @author     Rimpei Ogawa <owaga@tejimaya.com>
 * @author     Shogo Kawahara <kawahara@tejimaya.net>
 */
class sfReversiblePropelPager extends sfPropelPager
{
  protected
    $results        = null,
    $sqlOrderColumn = 'id',
    $sqlOrder       = Criteria::DESC,
    $listOrder      = Criteria::ASC;

public function getResults()
  {
    if (is_null($this->results))
    {
      if (Criteria::ASC === $this->sqlOrder)
      {
        $this->getCriteria()->addAscendingOrderByColumn($this->sqlOrderColumn);
      }
      else
      {
        $this->getCriteria()->addDescendingOrderByColumn($this->sqlOrderColumn);
      }

$this->results = parent::getResults();

if ($this->sqlOrder !== $this->listOrder)
      {
        $this->results = array_reverse($this->results);
      }
    }

return $this->results;
  }

public function getOlderPage()
  {
    return (Criteria::ASC === $this->sqlOrder) ? $this->getPreviousPage() : $this->getNextPage();
  }

public function getNewerPage()
  {
    return (Criteria::ASC === $this->sqlOrder) ? $this->getNextPage() : $this->getPreviousPage();
  }

public function hasOlderPage()
  {
    return (Criteria::ASC === $this->sqlOrder) ? $this->hasPreviousPage() : $this->hasNextPage();
  }

public function hasNewerPage()
  {
    return (Criteria::ASC === $this->sqlOrder) ? $this->hasNextPage() : $this->hasPreviousPage();
  }

public function hasPreviousPage()
  {
    return (1 < $this->getPage());
  }

public function hasNextPage()
  {
    return ($this->getPage() < $this->getLastPage());
  }

public function getFirstItem()
  {
    if (Criteria::ASC === $this->listOrder)
    {
      return reset($this->getResults());
    }
    else
    {
      return end($this->getResults());
    }
  }

public function getLastItem()
  {
    if (Criteria::ASC === $this->listOrder)
    {
      return end($this->getResults());
    }
    else
    {
      return reset($this->getResults());
    }
  }

public function setSqlOrderColumn($sqlOrderColumn)
  {
    $this->sqlOrderColumn = $sqlOrderColumn;
  }

public function setSqlOrder($order)
  {
    $this->sqlOrder = self::normalizeOrder($order);
  }

public function getSqlOrder()
  {
    return $this->sqlOrder;
  }

public function setListOrder($order)
  {
    $this->listOrder = self::normalizeOrder($order);
  }

public function getListOrder()
  {
    return $this->listOrder;
  }

public function getFirstIndice()
  {
    return $this->getFirstItem()->getNumber();
  }

public function getLastIndice()
  {
    return $this->getLastItem()->getNumber();
  }

public static function normalizeOrder($order)
  {
    if (Criteria::ASC === $order)
    {
      return Criteria::ASC;
    }
    else
    {
      return Criteria::DESC;
    }
  }
}

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