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<?php |
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namespace JeroenNoten\LaravelAdminLte\Menu; |
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use Illuminate\Contracts\Routing\UrlGenerator; |
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use Illuminate\Http\Request; |
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use Illuminate\Support\Str; |
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class ActiveChecker |
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{ |
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/** |
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* The request instance. |
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* |
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* @var Request |
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*/ |
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private $request; |
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/** |
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* The url generator instance. |
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* |
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* @var UrlGenerator |
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*/ |
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private $url; |
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/** |
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* Constructor. |
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* |
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* @param Request $request |
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* @param UrlGenerator $url |
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*/ |
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public function __construct(Request $request, UrlGenerator $url) |
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{ |
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$this->request = $request; |
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$this->url = $url; |
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} |
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/** |
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* Checks if a menu item is currently active. Active items will be |
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* highlighted. |
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* |
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* @param mixed $item The menu item to check |
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* @return bool |
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*/ |
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public function isActive($item) |
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{ |
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if (isset($item['submenu'])) { |
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return $this->containsActive($item['submenu']); |
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} elseif (isset($item['active'])) { |
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return $this->isExplicitActive($item['active']); |
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} elseif (isset($item['href'])) { |
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return $this->checkPattern($item['href']); |
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} elseif (isset($item['url'])) { |
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// Support URL for backwards compatibility. |
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return $this->checkPattern($item['url']); |
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} |
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return false; |
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} |
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/** |
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* Checks if an array of items contains an active item. |
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* |
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* @param array $items The items to check |
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* @return bool |
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*/ |
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protected function containsActive($items) |
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{ |
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foreach ($items as $item) { |
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if ($this->isActive($item)) { |
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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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* Checks if an item is active by explicit definition of 'active' state. |
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* |
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* @param bool|array $activeDef |
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* @return bool |
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*/ |
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protected function isExplicitActive($activeDef) |
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{ |
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// If the active definition is a bool, return it. |
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if (is_bool($activeDef)) { |
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return $activeDef; |
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} |
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// Otherwise, check if any of the url patterns that defines the active |
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// state matches the requested url. |
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foreach ($activeDef as $pattern) { |
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if ($this->checkPattern($pattern)) { |
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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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* Checks if an url pattern matches the requested url. |
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* |
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* @param string $pattern |
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* @return bool |
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*/ |
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protected function checkPattern($pattern) |
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{ |
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// First, check if the pattern is a regular expression. |
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if (Str::startsWith($pattern, 'regex:')) { |
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$regex = Str::substr($pattern, 6); |
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return (bool) preg_match($regex, $this->request->path()); |
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} |
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// If pattern is not a regex, check if the requested url matches the |
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// absolute path to the given pattern. |
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return Str::is($this->url->to($pattern), $this->request->url()); |
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} |
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} |
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jeroennoten /
Laravel-AdminLTE
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