1 <?php
 2 
 3 /**
 4  *
 5  *
 6  *
 7  * @package cart_shipping
 8  * @author menedem, dvp
 9  */
10 class ShippingMethodAdmin extends ModelAdmin {
11 
12     static $url_segment = "shipping";
13     static $menu_title = "Shipping";
14     static $menu_priority = 0;
15 
16     static $managed_models = array(
17         'ShippingMethod' => array(
18             'collection_controller' => 'ShippingMethodAdmin_CollectionController'   
19         )
20     );
21 
22     public static $model_importers = array();
23 }
24 
25 class ShippingMethodAdmin_CollectionController extends ModelAdmin_CollectionController {
26     
27     function CreateForm(){
28         $form = parent::CreateForm();
29         
30         $options = array();
31         foreach (ShippingMethod::get_supported_methods() as $f) {           
32             $options[$f] = singleton($f)->i18n_singular_name();
33         }
34         $form->Fields()->push(new DropdownField("CustomModelClass", _t('ShippingMethodAdmin.Type', 'Type'), $options));
35         return $form;
36     }
37     
38     function __construct($parent, $model){
39         parent::__construct($parent, $model);
40         $this->backupModelClass = $this->modelClass;
41     }
42     
43     function add($request){
44         $this->storeCustomModelClass();
45         return parent::add($request);
46     }
47     
48     //pass selected model class into form
49     function AddForm(){
50         if ($customclass = $this->retrieveCustomModelClass()) {
51             $this->modelClass = $customclass;
52         }
53         $form = parent::AddForm();      
54         $this->modelClass = $this->backupModelClass;
55         return $form;
56     }
57     
58     function doCreate($data, $form, $request){
59         if ($customclass = $this->retrieveCustomModelClass()) {
60             $this->modelClass = $customclass;
61         }
62         $output = parent::doCreate($data, $form, $request);
63         $this->clearCustomModelClass();
64         $this->modelClass = $this->backupModelClass;
65         return $output;
66     }
67     
68     protected function storeCustomModelClass(){
69         if (isset($_REQUEST['CustomModelClass']) && ShippingMethod::method_is_supported($_REQUEST['CustomModelClass'])) {
70             Session::set($this->class.".CustomModelClass", $_REQUEST['CustomModelClass']);
71         }
72     }
73     protected function retrieveCustomModelClass(){
74         return Session::get($this->class.".CustomModelClass");
75     }
76     protected function clearCustomModelClass(){
77         Session::clear($this->class.".CustomModelClass");
78     }
79 }