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<?php |
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namespace TheCodingMachine\CMS\StaticRegistry\Menu; |
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/** |
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* This class represent a menu item. |
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*/ |
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class MenuItem { |
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/** |
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* The text for the menu item |
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* |
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* @var string |
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*/ |
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private $label; |
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/** |
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* The link for the menu (relative to the root url), unless it starts with / or http:// or https:// or # or ?. |
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* |
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* @var string|null |
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*/ |
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private $url; |
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/** |
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* The children menu item of this menu (if any). |
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* |
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* @var \SplPriorityQueue|MenuItem[] |
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*/ |
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private $children; |
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/** |
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* The CSS class for the menu, if any. |
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* |
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* @var string |
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*/ |
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private $cssClass; |
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/** |
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* Whether the menu is extended or not. |
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* This should not have an effect if the menu has no child. |
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* |
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* @var bool |
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*/ |
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private $isExtended; |
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/** |
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* @param string $label The text for the menu item |
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* @param string|null $url The link for the menu (relative to the root url), unless it starts with / or http:// or https:// or # or ?. |
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*/ |
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public function __construct(string $label, string $url=null) { |
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$this->label = $label; |
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$this->url = $url; |
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$this->children = new \SplPriorityQueue(); |
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} |
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/** |
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* Returns the label for the menu item. |
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* @return string |
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*/ |
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public function getLabel(): string { |
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return $this->label; |
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} |
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/** |
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* Returns the URL for this menu (or null if this menu is not a link). |
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* @return string|null |
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*/ |
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public function getUrl(): ?string { |
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return $this->url; |
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} |
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public function findChild(string $label): ?MenuItem |
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{ |
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foreach ($this->children as $child) { |
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if ($child->getLabel() === $label) { |
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return $child; |
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} |
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} |
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return null; |
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} |
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/** |
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* Returns a list of children elements for the menu (if there are some). |
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* |
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* Note: a SplPriorityQueue can be iterated only once so we clone the whole queue and turn it into an array |
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* |
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* @return MenuItem[] |
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*/ |
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public function getChildren(): array { |
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return iterator_to_array(clone $this->children); |
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} |
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/** |
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* Adds a menu item as a child of this menu item. |
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* |
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* @param MenuItem $menuItem |
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*/ |
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public function addMenuItem(MenuItem $menuItem, float $priority): void { |
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$this->children->insert($menuItem, $priority); |
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} |
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public function isActive(string $url): bool |
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{ |
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return $url === $this->url; |
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} |
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/** |
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* Returns true if the menu should be in extended state (if one of the children is in active state). |
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* @return bool |
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*/ |
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public function isExtended(string $url): bool { |
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foreach ($this->children as $child) { |
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if ($child->isActive($url) || $child->isExtended($url)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* Returns an optional CSS class to apply to the menu item. |
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* @return string|null |
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*/ |
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public function getCssClass(): ?string { |
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return $this->cssClass; |
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} |
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129
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/** |
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130
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* An optional CSS class to apply to the menu item. |
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* Use of this property depends on the menu implementation. |
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* |
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* @param string|null $cssClass |
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*/ |
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public function setCssClass(?string $cssClass): void { |
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$this->cssClass = $cssClass; |
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} |
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} |
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thecodingmachine /
cms-static-registry
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