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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 in an active state or not. |
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* |
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* @var bool |
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*/ |
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private $isActive; |
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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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* Level of priority used to order the menu items. |
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* |
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* @var float |
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*/ |
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private $priority = 0.0; |
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/** |
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* @var bool |
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*/ |
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private $activateBasedOnUrl; |
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/** |
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* @var bool |
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*/ |
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private $sorted = false; |
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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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* @return MenuItem[] |
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*/ |
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public function getChildren(): \SplPriorityQueue { |
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return $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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/** |
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* Returns true if the menu is in active state (if we are on the page for this menu). |
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* @return bool |
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*/ |
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public function isActive(string $rootUrl) { |
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if ($this->isActive) { |
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return true; |
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} |
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if($this->activateBasedOnUrl && $this->url !== null) { |
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$urlParts = parse_url($_SERVER['REQUEST_URI']); |
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$menuUrlParts = parse_url($this->getLink($rootUrl)); |
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if (isset($menuUrlParts['path'])) { |
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$menuUrl = $menuUrlParts['path']; |
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} else { |
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$menuUrl = '/'; |
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} |
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if (isset($urlParts['path'])) { |
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$requestUrl = $urlParts['path']; |
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} else { |
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$requestUrl = '/'; |
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} |
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if($requestUrl === $menuUrl) { |
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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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* Set the active state of the menu. |
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* |
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* @param bool $isActive |
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* @return MenuItem |
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*/ |
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public function setIsActive(bool $isActive): self { |
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$this->isActive = $isActive; |
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return $this; |
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} |
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/** |
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* Enables the menu item (activates it). |
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* |
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*/ |
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public function enable(): self { |
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$this->isActive = true; |
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return $this; |
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} |
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/** |
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* Returns true if the menu should be in extended state (if we can see the children directly). |
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* @return bool |
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*/ |
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public function isExtended(): bool { |
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// TODO: is extended if one of the sub menus is active! |
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return $this->isExtended; |
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} |
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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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* @param bool $isExtended |
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* @return MenuItem |
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*/ |
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public function setIsExtended(bool $isExtended = true): self { |
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$this->isExtended = $isExtended; |
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return $this; |
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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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/** |
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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 $cssClass |
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*/ |
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public function setCssClass($cssClass) { |
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$this->cssClass = $cssClass; |
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return $this; |
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} |
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/** |
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* Returns the absolute URL, with parameters if required. |
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* @return string |
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*/ |
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public function getLink(string $rootUrl) { |
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if ($this->url === null) { |
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return null; |
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} |
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if (strpos($this->url, "/") === 0 |
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|| strpos($this->url, "javascript:") === 0 |
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|| strpos($this->url, "http://") === 0 |
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|| strpos($this->url, "https://") === 0 |
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|| strpos($this->url, "?") === 0 |
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|| strpos($this->url, "#") === 0) { |
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return $this->url; |
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} |
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return $rootUrl.$this->url; |
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} |
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/** |
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* If the URL of the current page matches the URL of the link, the link will be considered as "active". |
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* |
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* @param bool $activateBasedOnUrl |
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* @return MenuItem |
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*/ |
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public function setActivateBasedOnUrl(bool $activateBasedOnUrl = true): self { |
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$this->activateBasedOnUrl = $activateBasedOnUrl; |
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return $this; |
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} |
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} |
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