# DateRangeDisplayFilter.class.php

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    00001 <?php
    00002 /***************************************************************************
    00003  *   Copyright (C) 2007 by Igor V. Gulyaev                                 *
    00004  *                                                                         *
    00005  *   This program is free software; you can redistribute it and/or modify  *
    00006  *   it under the terms of the GNU Lesser General Public License as        *
    00007  *   published by the Free Software Foundation; either version 3 of the    *
    00008  *   License, or (at your option) any later version.                       *
    00009  *                                                                         *
    00010  ***************************************************************************/
    00011
    00015     final class DateRangeDisplayFilter extends BaseFilter
    00016     {
    00020         public static function me()
    00021         {
    00022             return Singleton::getInstance('DateRangeDisplayFilter');
    00023         }
    00024
    00025         public function apply($value)
    00026         {
    00027             $result = null;
    00028
    00029             if ($value instanceof DateRange) {
    00030                 if ($value->getStart())
    00031                     $result = $value->getStart()->toDate('.');
    00032
    00033                 $result .= ' - ';
    00034
    00035                 if ($value->getEnd())
    00036                     $result .= $value->getEnd()->toDate('.');
    00037
    00038                 return $result;
    00039             } else {
    00040                 return $value;
    00041             }
    00042         }
    00043     }
    00044 ?>