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