1: <?php
 2: /**
 3:  * Pry Framework
 4:  *
 5:  * LICENSE
 6:  *
 7:  * This source file is subject to the new BSD license that is bundled
 8:  * with this package in the file LICENSE.txt.
 9:  * 
10:  * @version $Revision: 171 $
11:  */
12: 
13: /**
14:  * Decorator permettant de filtrer les éléments listés
15:  * @category Pry
16:  * @package File
17:  * @subpackage File_Decorator
18:  * @version 1.0.0
19:  * @author Olivier ROGER <oroger.fr>
20:  */
21: class File_Decorator_Filter extends FilterIterator
22: {
23:     /**
24:      * Liste des extensions à autoriser. Toutes si vide
25:      * @var array
26:      */
27:     private $extensions = array();
28: 
29:     /**
30:      * Vérifie qu'un élément peut être listé
31:      * @return boolean
32:      */
33:     public function accept()
34:     {
35:         if(empty($this->extensions))
36:             return true;
37:         else
38:         {
39:             if(in_array(File_Util::getExtension($this->current()), $this->extensions))
40:                 return true;
41:         }
42:         return false;
43:     }
44: 
45:     /**
46:      * Défini une ou plusieurs extsions à autoriser
47:      * @param string|array $filter  
48:      */
49:     public function setExtension($filter)
50:     {
51:         if(!is_array($filter))
52:             $this->extensions[] = strtolower($filter);
53:         else
54:             $this->extensions = array_merge($this->extensions,$filter);
55:     }
56: }
57: ?>
58: