| 1 | <?php |
| 2 | |
| 3 | namespace wcf\data\category; |
| 4 | |
| 5 | use wcf\data\DatabaseObjectDecorator; |
| 6 | use wcf\data\ILinkableObject; |
| 7 | use wcf\data\IObjectTreeNode; |
| 8 | use wcf\data\TObjectTreeNode; |
| 9 | |
| 10 | /** |
| 11 | * Represents a category node. |
| 12 | * |
| 13 | * @author Matthias Schmidt |
| 14 | * @copyright 2001-2019 WoltLab GmbH |
| 15 | * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php> |
| 16 | * |
| 17 | * @method Category getDecoratedObject() |
| 18 | * @mixin Category |
| 19 | */ |
| 20 | class CategoryNode extends DatabaseObjectDecorator implements IObjectTreeNode |
| 21 | { |
| 22 | use TObjectTreeNode; |
| 23 | |
| 24 | /** |
| 25 | * @inheritDoc |
| 26 | */ |
| 27 | protected static $baseClass = Category::class; |
| 28 | |
| 29 | /** |
| 30 | * Returns true if this category is visible in a nested menu item list. |
| 31 | * |
| 32 | * @since 5.2 |
| 33 | */ |
| 34 | public function isVisibleInNestedList(?AbstractDecoratedCategory $activeCategory = null, bool $showChildCategories = false): bool |
| 35 | { |
| 36 | if (!$this->getParentCategory()) { |
| 37 | // level 1 is always visible |
| 38 | return true; |
| 39 | } |
| 40 | |
| 41 | if ($showChildCategories && !$this->getParentCategory()->getParentCategory()) { |
| 42 | return true; |
| 43 | } |
| 44 | |
| 45 | if ($activeCategory) { |
| 46 | $decoratedObject = $this->getDecoratedObject(); |
| 47 | if ( |
| 48 | $activeCategory->categoryID == $this->categoryID |
| 49 | || ( |
| 50 | $decoratedObject instanceof AbstractDecoratedCategory |
| 51 | && $activeCategory->isParentCategory($decoratedObject) |
| 52 | ) |
| 53 | ) { |
| 54 | // is the active category or a parent of the active category |
| 55 | return true; |
| 56 | } |
| 57 | |
| 58 | if ($this->getParentCategory()->categoryID == $activeCategory->categoryID) { |
| 59 | // is a direct child element of the active category |
| 60 | return true; |
| 61 | } |
| 62 | |
| 63 | foreach ($activeCategory->getParentCategories() as $parentCategory) { |
| 64 | if ($this->getParentCategory()->categoryID == $parentCategory->categoryID) { |
| 65 | // This is a child element of a parent category of the active category. |
| 66 | return true; |
| 67 | } |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | return false; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Returns number of items in the category. |
| 76 | */ |
| 77 | public function getItems(): int |
| 78 | { |
| 79 | return 0; |
| 80 | } |
| 81 | |
| 82 | public function getLink(): string |
| 83 | { |
| 84 | $decoratedObject = $this->getDecoratedObject(); |
| 85 | if ($decoratedObject instanceof ILinkableObject) { |
| 86 | return $decoratedObject->getLink(); |
| 87 | } |
| 88 | |
| 89 | return ''; |
| 90 | } |
| 91 | } |