1: <?php
 2: 
 3: /**
 4:  * Picon Framework
 5:  * http://code.google.com/p/picon-framework/
 6:  *
 7:  * Copyright (C) 2011-2012 Martin Cassidy <martin.cassidy@webquub.com>
 8: 
 9:  * Picon Framework is free software: you can redistribute it and/or modify
10:  * it under the terms of the GNU General Public License as published by
11:  * the Free Software Foundation, either version 3 of the License, or
12:  * (at your option) any later version.
13: 
14:  * Picon Framework is distributed in the hope that it will be useful,
15:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17:  *  General Public License for more details.
18: 
19:  * You should have received a copy of the GNU General Public License
20:  * along with Picon Framework.  If not, see <http://www.gnu.org/licenses/>.
21:  * */
22: 
23: namespace picon;
24: 
25: /**
26:  * A container for radio buttons
27:  * 
28:  * @see Radio
29:  * @author Martin Cassidy
30:  * @package web/markup/html/form
31:  */
32: class RadioGroup extends FormComponent
33: {
34:     public function getChoiceGroup()
35:     {
36:         $choice = null;
37:         $callback = function(&$component) use (&$choice)
38:         {
39:              $choice = $component;
40:              return Component::VISITOR_STOP_TRAVERSAL;
41:         };
42:         $this->visitParents(Identifier::forName('picon\ChoiceGroup'), $callback);
43:         return $choice;
44:     }
45:     
46:     public function getName()
47:     {
48:         $choice = $this->getChoiceGroup();
49:         if($choice==null)
50:         {
51:             return parent::getName();
52:         }
53:         else
54:         {
55:             return str_replace('.', '_', $choice->getComponentPath());
56:         }
57:     }
58:     
59:     protected function convertInput()
60:     {
61:         $input = $this->getRawInput(); 
62:         $value = null;
63:         $callback = function(Radio &$radio) use(&$value, $input)
64:         {
65:             if($radio->getValue()==$input)
66:             {
67:                 $value = $radio->getModelObject();
68:                 return Component::VISITOR_STOP_TRAVERSAL;
69:             }
70:             return Component::VISITOR_CONTINUE_TRAVERSAL;
71:         };
72:         $this->visitChildren(Radio::getIdentifier(), $callback);
73:         
74:         if($value!=null)
75:         {
76:             $this->setConvertedInput($value);
77:         }
78:     }
79:     
80:     public function isRequired()
81:     {
82:         $choice = $this->getChoiceGroup();
83:         return $choice==null && parent::isRequired();
84:     }
85:     
86:     protected function validateModel()
87:     {
88:         //@todo
89:     }
90:     
91:     protected function onComponentTag(ComponentTag $tag)
92:     {
93:         parent::onComponentTag($tag);
94:         $tag->remove('name');
95:     }
96: }
97: 
98: ?>
99: