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:  * Ajax implementation to add an ajax callback to a component when a javascript
27:  * event is fired e.g. onclick
28:  *
29:  * @author Martin Cassidy
30:  * @package web/ajax
31:  */
32: class AjaxEventBehaviour extends AbstractAjaxBehaviour
33: {
34:     private $event;
35:     private $callback;
36:     
37:     public function __construct($event, $callback)
38:     {
39:         parent::__construct();
40:         Args::isString($event, 'event');
41:         Args::callBackArgs($callback, 1, 'callback');
42:         $this->event = $event;
43:         $this->callback = $callback;
44:     }
45:     
46:     public function onComponentTag(Component &$component, ComponentTag &$tag)
47:     {
48:         parent::onComponentTag($component, $tag);
49:         $tag->put($this->event, $this->generateCallbackScript());
50:     }
51:     
52:     public function onEventCallback(AjaxRequestTarget $target)
53:     {
54:         $callable = $this->callback;
55:         $callable($target);
56:     }
57:     
58:     protected function callScript()
59:     {
60:         return "";
61:     }
62:     
63:     protected function successScript()
64:     {
65:         return "";
66:     }
67:     
68:     protected function failScript()
69:     {
70:         return "";
71:     }
72: }
73: 
74: ?>
75: