1 <?php
 2 /**
 3  * Виджет "Блок новостей"
 4  * Позволяет разместить в боковой колонке блок новостей
 5  *
 6  * @package widgets
 7  * @author  menedem
 8  */
 9 class NewsSidebarWidget extends SidebarWidget {
10     static $db = array(
11         'NewsCount' => 'Int',
12         'ShowOnlyImportant' => 'Boolean',
13     );
14     
15     static $defaults = array(
16         'NewsCount' => 2,
17     );
18     
19     static $has_one = array(
20         'Holder' => 'NewsHolder'
21     );
22     
23     public $needObjects = array(
24         'NewsHolder' => 'Page'
25     );
26     
27     function getCMSFields() {
28         if (!$this->canCreate()) {
29             return $this->getFailCMSFields();
30         }
31         
32         $fields = parent::getCMSFields();
33         $holders = DataObject::get('NewsHolder');
34         if ($holders) {
35             $holders = $holders->map();
36         } else {
37             $holders = array();
38         }
39         $fields->replaceField('HolderID', new DropdownField("HolderID", $this->fieldLabel('Holder'), $holders, "", null, _t('Widgets.All', 'All')));
40         
41         return $fields;
42     }
43 
44     function NewsList() {
45         if ($this->HolderID && $this->Holder()) {
46             return $this->Holder()->Entries(0, $this->NewsCount, $this->ShowOnlyImportant);
47         }
48         $where = "Status LIKE '%Published%'";
49         if ($this->ShowOnlyImportant) {
50             $where .= " AND Important = 1";
51         }
52         return DataObject::get('NewsEntry', $where, "Date DESC", '', $this->NewsCount);
53     }
54     
55     function hasContent() {
56         if ($this->NewsList()) {
57             return true;
58         }
59         return false;
60     }
61     
62     function getMoreLink() {
63         if ($this->HolderID && $this->Holder()) {
64             return $this->Holder()->Link();
65         }
66         if ($holder = DataObject::get_one('NewsHolder')) {
67             return $holder->Link();
68         }
69         return false;
70     }
71 
72 }
73 
74