1 <?php
 2 
 3 /**
 4  * Виджет "Часто задаваемы вопросы" для боковой колонки
 5  * Показывает список последних вопросов из выбранного холдера или секции или из всех
 6  *
 7  * @package widgets
 8  * @author  menedem
 9  */
10 class FAQSidebarWidget extends SidebarWidget {
11     static $db = array(
12         'QuestionsCount' => 'Int',
13     );
14     
15     static $defaults = array(
16         'QuestionsCount' => 3,
17     );
18     
19     static $has_one = array(
20         'Holder' => 'SiteTree'
21     );  
22     
23     public $needObjects = array(
24         'FaqHolder' => 'Page'
25     );
26     
27     function getCMSFields() {
28         if (!$this->canCreate()) {
29             return $this->getFailCMSFields();
30         }
31         $fields = parent::getCMSFields();       
32         $holders = array();
33         if ($faqHolders = DataObject::get('FaqHolder')) {
34             foreach($faqHolders as $faqHolder) {
35                 $holders[$faqHolder->ID] = $faqHolder->Title;
36                 foreach($faqHolder->Children() as $section) {
37                     $holders[$section->ID] = "-- {$section->Title}";
38                 }
39             }
40         }
41         $fields->replaceField('HolderID', new DropdownField('HolderID', $this->fieldLabel('Holder'), $holders, "", null, _t('Widgets.All', 'All')));
42 
43         return $fields;
44     }
45     
46     function QuestionsList() {
47         $questionsCount = $this->QuestionsCount;
48         if (!$questionsCount) {
49             $questionsCount = 3;
50         }
51         $where = "`Published` = 1";
52         if ($this->HolderID && ($holder = $this->Holder()) && $holder->ID) {
53             if (is_a($holder, 'FaqHolder')) {
54                 $where .= " AND `FaqHolderID` = {$holder->ID}";
55             } else {
56                 $where .= " AND `SectionID` = {$holder->ID}";
57             }
58         }
59         return DataObject::get('FaqQuestion', $where, "", '', $questionsCount);
60     }
61     
62     function hasContent() {
63         if ($this->QuestionsList()) {
64             return true;
65         }
66         return false;
67     }
68     
69     function getMoreLink() {
70         if ($this->HolderID && $this->Holder()) {
71             return $this->Holder()->Link();
72         }
73         return false;
74     }
75 }
76