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:  * Description of AttributeModifier
27:  * 
28:  * @author Martin Cassidy
29:  */
30: class AttributeModifier extends AbstractBehaviour
31: {
32:     private $attributeName;
33:     private $value;
34:     
35:     public function __construct($attributeName, Model $value)
36:     {
37:         $this->attributeName = $attributeName;
38:         $this->value = $value;
39:     }
40:     
41:     public function onComponentTag(Component &$component, ComponentTag &$tag)
42:     {
43:         parent::onComponentTag($component, $tag);
44:         $attrs = $tag->getAttributes();
45:         $current = '';
46:         if(array_key_exists($this->attributeName, $attrs))
47:         {
48:             $current = $attrs[$this->attributeName];
49:         }
50:         $tag->put($this->attributeName, $this->newValue($current));
51:     }
52:     
53:     protected function getValue()
54:     {
55:         return $this->value;
56:     }
57:     
58:     protected function newValue($current)
59:     {
60:         return $this->getValue()->getModelObject();
61:     }
62: }
63: 
64: ?>
65: