X-Git-Url: http://git.polytechnique.org/?a=blobdiff_plain;ds=sidebyside;f=classes%2Fplfilter.php;h=8355308a82ec04aad9995a751c8048b492a0b5a7;hb=ee47c4357d535e26a408f14e1144a3f8ed85528f;hp=f36a8035bf2584fb152b09b70bff90513eeaf6ca;hpb=778e3dbb6afab4a504c04316995bd8d1ed3090b6;p=platal.git

diff --git a/classes/plfilter.php b/classes/plfilter.php
index f36a803..8355308 100644
--- a/classes/plfilter.php
+++ b/classes/plfilter.php
@@ -1,6 +1,6 @@
 <?php
 /***************************************************************************
- *  Copyright (C) 2003-2010 Polytechnique.org                              *
+ *  Copyright (C) 2003-2011 Polytechnique.org                              *
  *  http://opensource.polytechnique.org/                                   *
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
@@ -123,6 +123,16 @@ abstract class PlFilterGroupableOrder extends PlFilterOrder
     {
         return $this->_tokens;
     }
+
+    /** This function is called when trying to restrict to one of the
+     * specific values of the group token.
+     *
+     * @return A PlFilterCondition.
+     */
+    public function getCondition($group_value)
+    {
+        return null;
+    }
 }
 // }}}
 
@@ -185,7 +195,7 @@ abstract class PFC_OneChild implements PlFilterCondition
 
     public function export()
     {
-        return array('child' => $child->export());
+        return array('child' => $this->child->export());
     }
 }
 // }}}
@@ -228,8 +238,9 @@ abstract class PFC_NChildren implements PlFilterCondition
     public function export()
     {
         $export = array();
-        foreach ($this->children as $child)
+        foreach ($this->children as $child) {
             $export[] = $child->export();
+        }
         return array('children' => $export);
     }
 }
@@ -383,6 +394,14 @@ abstract class PlFilter implements PlExportable
      */
     public abstract function get($limit = null);
 
+    /** Get ids, selecting only those within a limit
+     * @param $limit The portion of the matching objects to select
+     */
+    public function getIds($limit = null)
+    {
+        return $this->get($limit);
+    }
+
     /** PRIVATE FUNCTIONS
      */