1 <?php
 2 
 3 class PhotoAlbumHomepageWidget extends HomepageWidget {
 4 
 5     static $db = array(
 6         'AlbumCount' => 'Int',
 7     );
 8     
 9     static $many_many = array(
10         'LinkedAlbums' => 'PhotoAlbumPage',
11     );
12     
13     public $needObjects = array(
14         'PhotoAlbumPage' => 'Page',
15     );
16 
17     function getCMSFields() {
18         $fields = parent::getCMSFields();
19         $ctf = new ManyManyComplexTableField(
20             $this,
21             'LinkedAlbums',
22             'PhotoAlbumPage',
23             array('Title' => _t('PhotoAlbumHomepageWidget.AlbumTitle', 'Альбом'))
24         );
25         $ctf->setPermissions(array());
26         $fields->addFieldToTab('Root.LinkedAlbums', $ctf);
27 
28         return $fields;
29     }
30 
31     function Albums() {
32         if ($this->hasContent()) {
33             //return random albums
34             $albumIDs = $this->LinkedAlbums()->map('ID', 'ID');
35             shuffle($albumIDs);
36             $albums = new DataObjectSet();
37             foreach($albumIDs as $albumID) {
38                 $albums->push($this->LinkedAlbums()->find('ID', $albumID));
39                 if (($this->AlbumCount > 0) && ($albums->Count() >= $this->AlbumCount)) {
40                     break;
41                 }
42             }
43             return $albums;
44         }
45         return false;
46     }
47     
48     function hasContent() {
49         return ($this->LinkedAlbums()->Count()) ? true : false;
50     }
51 }
52 
53