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 column which will invoke a callback to populate each cell
27: *
28: * @author Martin Cassidy
29: * @package web/markup/html/table
30: */
31: class CallbackColumn extends AbstractColumn
32: {
33: private $callback;
34:
35: public function __construct($heading, $callback)
36: {
37: Args::callBackArgs($callback, 2, 'callback');
38: $this->callback = $callback;
39: }
40:
41: public function populateCell(GridItem $item, $componentId, Model $model)
42: {
43: $callable = $this->callback;
44: $component = $callable($componentId, $model);
45: if($component==null || !($component instanceof Component) || $component->getId()!=$componentId)
46: {
47: throw new \IllegalStateException('Callback for CallbackColumn is expected to return a componet with the given id');
48: }
49: $item->add($component);
50: }
51:
52: }
53:
54: ?>
55: