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<?php |
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namespace JeroenNoten\LaravelAdminLte\Menu\Filters; |
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use Illuminate\Support\Facades\Lang; |
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class LangFilter implements FilterInterface |
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{ |
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/** |
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* The array of menu item's properties that can be translated. |
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* |
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* @var array |
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*/ |
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protected $itemProperties; |
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/** |
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* Constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->itemProperties = ['header', 'text', 'label']; |
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} |
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/** |
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* Transforms a menu item. Makes the translations on the expected item |
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* properties. |
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* |
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* @param array $item A menu item |
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* @return array |
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*/ |
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public function transform($item) |
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{ |
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// Translate the expected menu item properties. |
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foreach ($this->itemProperties as $prop) { |
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// Check if the property exists in the item. |
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if (empty($item[$prop])) { |
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continue; |
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} |
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// Check if the property value is valid to be translated. |
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if (is_array($item[$prop])) { |
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$params = $item[$prop][1] ?? []; |
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$params = is_array($params) ? $params : []; |
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$item[$prop] = $this->getTranslation($item[$prop][0], $params); |
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} elseif (is_string($item[$prop])) { |
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$item[$prop] = $this->getTranslation($item[$prop]); |
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} |
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} |
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return $item; |
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} |
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/** |
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* Gets the translation for a given key. |
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* |
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* @param string $key The key to translate |
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* @param array $params The additional translation parameters |
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* @return string |
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*/ |
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protected function getTranslation($key, $params = []) |
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{ |
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// Check for a translation. Note we first check if translations are |
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// available in a "menu.php" file, then we check for translations in |
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// the published language resources (under the adminlte namespace). |
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if (Lang::has("menu.{$key}")) { |
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return Lang::get("menu.{$key}", $params); |
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} elseif (Lang::has("adminlte::menu.{$key}")) { |
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return Lang::get("adminlte::menu.{$key}", $params); |
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} |
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// When there is no translation available, return the original key. |
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return $key; |
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} |
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} |
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jeroennoten /
Laravel-AdminLTE
