FieldGroup.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2006-2007 by Konstantin V. Arkhipov                     *
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 /* $Id: FieldGroup.class.php 4687 2007-12-09 18:57:18Z voxus $ */
00012 
00016     final class FieldGroup implements DialectString
00017     {
00018         private $list = array();
00019         
00023         public function add(Castable $field)
00024         {
00025             $this->list[] = $field;
00026             
00027             return $this;
00028         }
00029         
00030         public function toDialectString(Dialect $dialect)
00031         {
00032             if (!$this->list)
00033                 return null;
00034             
00035             $out = array();
00036             
00037             foreach ($this->list as $field)
00038                 $out[] = $field->toDialectString($dialect);
00039             
00040             return implode(', ', $out);
00041         }
00042     }
00043 ?>

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