From b581b739769a64548bb88e2a100545893d5320d5 Mon Sep 17 00:00:00 2001
From: Alexander Meteiko <ameteiko@gmail.com>
Date: Fri, 26 Feb 2010 17:50:31 +0200
Subject: [PATCH] IPF_Admin_Filters_ModelList

---
 ipf/admin/filters/modellist.php | 55 +++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 ipf/admin/filters/modellist.php

diff --git a/ipf/admin/filters/modellist.php b/ipf/admin/filters/modellist.php
new file mode 100644
index 0000000..0ff029a
--- /dev/null
+++ b/ipf/admin/filters/modellist.php
@@ -0,0 +1,55 @@
+<?php
+
+class IPF_Admin_Filters_ModelList extends ListFilter
+{
+    function __construct($local, $foreign, $request, $coll, $title)
+    {
+        $fname = 'filter_'.$local;
+
+        $sel_id = @$request->GET[$fname];
+
+        $choices = array(
+            array(
+                'id'       => null,
+                'param'    => '',
+                'name'     => 'All',
+                'selected' => ($sel_id==''),
+            ),
+            array(
+                'id'       => '0',
+                'param'    => $fname.'=0',
+                'name'     => 'None',
+                'selected' => ($sel_id=='0'),
+            ),        
+        );
+
+        foreach ($coll as $item)
+        {
+            $id = (string)$item->id;
+
+            $choices[] = array(
+                'id'       => $id,
+                'param'    => $fname.'='.$id,
+                'name'     => (string)$item,
+                'selected' => ($sel_id == $id),
+            );
+        }
+ 
+        parent::__construct($local, $foreign, $choices, $title);
+    }
+
+    function FilterQuery($request,$q)
+    {
+        $param_name = 'filter_'.$this->local;
+        if (isset($request->GET[$param_name]))
+        {
+            $id = $request->GET[$param_name];
+            if ($this->IsChoice($id))
+            {
+                if ($id == '0')
+                     $q->where($this->local.' is null');
+                else $q->where($this->local.'='.$id);
+            }
+        }
+    }
+}
\ No newline at end of file
-- 
2.49.0