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<?php |
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/* |
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* This file is part of the feedback project. |
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* |
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* (c) Florian Moser <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace App\Enum\Base; |
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use ReflectionClass; |
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use Symfony\Component\Translation\TranslatorInterface; |
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abstract class BaseEnum |
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{ |
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/** |
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* returns an array fit to be used by the ChoiceType. |
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* |
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* @return array |
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*/ |
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public static function getBuilderArguments() |
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{ |
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$elem = new static(); |
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return $elem->getChoicesForBuilderInternal(); |
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} |
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/** |
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* returns a translation string for the passed enum value. |
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* |
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* @param $enumValue |
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* |
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* @return string |
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*/ |
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public static function getTranslation($enumValue, TranslatorInterface $translator) |
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{ |
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$elem = new static(); |
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return $elem->getTranslationInternal($enumValue, $translator); |
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} |
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/** |
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* returns a translation string for the passed enum value. |
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* |
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* @param $enumValue |
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* |
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* @return string |
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*/ |
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public static function getText($enumValue) |
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{ |
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$elem = new static(); |
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return $elem->getTextInternal($enumValue); |
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} |
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/** |
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* makes from camelCase => camel_case. |
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* |
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* @param $camelCase |
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* |
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* @return string |
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*/ |
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private static function camelCaseToTranslation($camelCase) |
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{ |
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return mb_strtolower(preg_replace('/(?<=[a-z])([A-Z])/', '_$1', $camelCase)); |
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} |
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/** |
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* generates an array to be used in form fields. |
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* |
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* @return array |
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*/ |
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private function getChoicesForBuilderInternal() |
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{ |
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try { |
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$res = []; |
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$reflection = new ReflectionClass(static::class); |
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$choices = $reflection->getConstants(); |
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foreach ($choices as $name => $value) { |
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$res[mb_strtolower($name)] = $value; |
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} |
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$transDomain = 'enum_' . $this->camelCaseToTranslation($reflection->getShortName()); |
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return ['translation_domain' => $transDomain, 'label' => 'enum.name', 'choices' => $res, 'choice_translation_domain' => $transDomain]; |
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} catch (\ReflectionException $e) { |
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//this never fails because the class clearly exists |
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} |
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return []; |
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} |
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/** |
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* returns a translation string for the passed enum value. |
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* |
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* @param $enumValue |
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* |
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* @return bool|string |
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*/ |
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private function getTranslationInternal($enumValue, TranslatorInterface $translator) |
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{ |
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try { |
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$reflection = new ReflectionClass(static::class); |
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return $translator->trans($this->getTextInternal($enumValue, $reflection), [], 'enum_' . $this->camelCaseToTranslation($reflection->getShortName())); |
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} catch (\ReflectionException $e) { |
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//this never fails because the class clearly exists |
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} |
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return ''; |
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} |
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/** |
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* returns a translation string for the passed enum value. |
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* |
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* @param $enumValue |
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* @param ReflectionClass $reflection |
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* |
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* @return bool|string |
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*/ |
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private function getTextInternal($enumValue, $reflection = null) |
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{ |
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try { |
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if (null === $reflection) { |
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$reflection = new ReflectionClass(static::class); |
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} |
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$choices = $reflection->getConstants(); |
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foreach ($choices as $name => $value) { |
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if ($value === $enumValue) { |
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return mb_strtolower($name); |
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} |
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} |
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} catch (\ReflectionException $e) { |
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//this never fails because the class clearly exists |
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} |
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return ''; |
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} |
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} |
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TheAlternativeZurich /
feedback
