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<?php |
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/* |
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* 2017 Romain CANON <[email protected]> |
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* |
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* This file is part of the TYPO3 FormZ project. |
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* It is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License, either |
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* version 3 of the License, or any later version. |
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* |
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* For the full copyright and license information, see: |
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* http://www.gnu.org/licenses/gpl-3.0.html |
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*/ |
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namespace Romm\Formz\Middleware\Item\FormInjection; |
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use Romm\Formz\Core\Core; |
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use Romm\Formz\Middleware\Item\OnBeginMiddleware; |
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use Romm\Formz\Middleware\Signal\SendsMiddlewareSignal; |
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use Romm\Formz\Middleware\Processor\PresetMiddlewareInterface; |
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use Romm\Formz\Middleware\Processor\RemoveFromSingleFieldValidationContext; |
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/** |
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* This middleware takes care of creating new form instances, based on the |
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* arguments of the current request. |
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* |
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* It is based on the controller action of the current context: each argument |
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* that has a form type (class that implements `FormInterface`) and is not found |
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* in the request arguments is injected with an empty form instance. |
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* |
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* The goal is to provide a form instance to the controller in every case, so |
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* the developer can manipulate it easily, for instance by pre-setting values. |
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*/ |
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class FormInjectionMiddleware extends OnBeginMiddleware implements PresetMiddlewareInterface, SendsMiddlewareSignal, RemoveFromSingleFieldValidationContext |
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{ |
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/** |
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* @var int |
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*/ |
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protected $priority = self::PRIORITY_INJECT_FORM; |
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/** |
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* @see FormInjectionMiddleware |
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*/ |
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protected function process() |
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{ |
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$formObject = $this->getFormObject(); |
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$this->beforeSignal()->dispatch(); |
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if (false === $formObject->hasForm()) { |
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/* |
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* Creating an empty instance of the form. |
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*/ |
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$formClassName = $formObject->getClassName(); |
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$form = Core::get()->getObjectManager()->getEmptyObject($formClassName); |
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/* |
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* The form instance is injected in the form object, for further |
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* usage. |
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*/ |
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$formObject->setForm($form); |
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} |
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$this->afterSignal()->dispatch(); |
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} |
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/** |
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* @return array |
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*/ |
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public function getAllowedSignals() |
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{ |
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return [FormInjectionSignal::class]; |
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} |
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} |
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romm /
formz
