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:  * Stateless page request that will retrieve and invoke a listener on the page
27:  *
28:  * @author Martin Cassidy
29:  * @package web/request/target
30:  */
31: class PageRequestWithListenerTarget extends PageRequestTarget
32: {
33:     private $componentPath;
34:     private $behaviour;
35:     
36:     /**
37:      *
38:      * @param string $page The name of the page 
39:      * @param type $componentPath The path to the listener component
40:      */
41:     public function __construct(Identifier $pageClass, $componentPath, $behaviour = null)
42:     {
43:         parent::__construct($pageClass);
44:         $this->componentPath = $componentPath;
45:         $this->behaviour = $behaviour;
46:     }
47:     
48:     public function respond(Response $response)
49:     {
50:         $fullClassName = $this->getPageClass()->getFullyQualifiedName();
51:         $page = new $fullClassName();
52:         $page->beforePageRender();
53:         
54:         $listener = null;
55:         
56:         if($this->behaviour==null)
57:         {
58:             $listener = $page->get($this->componentPath);
59:         }
60:         else
61:         {
62:             $component = $page->get($this->componentPath);
63:             if($component!=null && $component instanceof Component)
64:             {
65:                 $listener = $component->getBehaviourById($this->behaviour);
66:             }
67:         }
68:         
69:         if($listener==null)
70:         {
71:             throw new \RuntimeException(sprintf("Listener component %s was not found", $this->componentPath));
72:         }
73:         
74:         $listener->onEvent();
75:         $page->renderPage();
76:         $response->flush();
77:     }
78:     
79:     public function getComponentPath()
80:     {
81:         return $this->componentPath;
82:     }
83:     
84:     public function getBehaviour()
85:     {
86:         return $this->behaviour;
87:     }
88: }
89: 
90: ?>
91: