132 lines
3.2 KiB
PHP
132 lines
3.2 KiB
PHP
<?php
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namespace SilverStripe\Blog\Widgets;
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use SilverStripe\Blog\Model\Blog;
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use SilverStripe\Core\Convert;
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use SilverStripe\Forms\DropdownField;
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use SilverStripe\Forms\FieldList;
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use SilverStripe\Forms\NumericField;
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use SilverStripe\ORM\DataList;
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use SilverStripe\Widgets\Model\Widget;
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if (!class_exists(Widget::class)) {
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return;
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}
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/**
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* @method Blog Blog()
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*/
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class BlogCategoriesWidget extends Widget
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{
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/**
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* @var string
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*/
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private static $title = 'Categories';
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/**
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* @var string
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*/
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private static $cmsTitle = 'Blog Categories';
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/**
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* @var string
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*/
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private static $description = 'Displays a list of blog categories.';
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/**
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* @var array
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*/
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private static $db = [
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'Limit' => 'Int',
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'Order' => 'Varchar',
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'Direction' => 'Varchar',
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];
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/**
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* @var array
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*/
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private static $has_one = [
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'Blog' => Blog::class,
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];
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/**
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* @var string
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*/
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private static $table_name = 'BlogCategoriesWidget';
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/**
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* {@inheritdoc}
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*/
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public function getCMSFields()
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{
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$this->beforeUpdateCMSFields(function (FieldList $fields) {
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$fields[] = DropdownField::create(
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'BlogID',
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_t(__CLASS__ . '.Blog', 'Blog'),
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Blog::get()->map()
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);
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$fields[] = NumericField::create(
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'Limit',
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_t(__CLASS__ . '.Limit', 'Limit'),
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0
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)
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->setDescription(
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_t(
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__CLASS__ . '.Limit_Description',
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'Limit the number of categories shown by this widget (set to 0 to show all categories).'
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)
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)
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->setMaxLength(3);
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$fields[] = DropdownField::create(
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'Order',
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_t(__CLASS__ . '.Sort', 'Sort'),
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['Title' => 'Title', 'Created' => 'Created', 'LastEdited' => 'Updated']
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)
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->setDescription(
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_t(__CLASS__ . '.Sort_Description', 'Change the order of categories shown by this widget.')
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);
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$fields[] = DropdownField::create(
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'Direction',
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_t(__CLASS__ . '.Direction', 'Direction'),
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['ASC' => 'Ascending', 'DESC' => 'Descending']
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)
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->setDescription(
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_t(
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__CLASS__ . '.Direction_Description',
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'Change the direction of ordering of categories shown by this widget.'
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)
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);
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});
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return parent::getCMSFields();
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}
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/**
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* @return DataList
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*/
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public function getCategories()
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{
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$blog = $this->Blog();
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if (!$blog) {
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return [];
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}
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$query = $blog->Categories();
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if ($this->Limit) {
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$query = $query->limit(Convert::raw2sql($this->Limit));
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}
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if ($this->Order && $this->Direction) {
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$query = $query->sort(Convert::raw2sql($this->Order), Convert::raw2sql($this->Direction));
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}
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return $query;
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}
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}
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