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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\AssetHandler\JavaScript; |
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use Romm\Formz\AssetHandler\AbstractAssetHandler; |
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use Romm\Formz\Form\Definition\Field\Field; |
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use Romm\Formz\Form\Definition\Field\Validation\Validator; |
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use Romm\Formz\Service\ArrayService; |
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use Romm\Formz\Service\ValidatorService; |
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use Romm\Formz\Validation\Validator\AbstractValidator; |
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use TYPO3\CMS\Core\Utility\GeneralUtility; |
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/** |
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* This asset handler generates the JavaScript code which will initialize the |
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* validation rules for every field of the form. Call the function |
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* `getJavaScriptCode()`. |
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* |
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* It can also return the list of files which must be included in order to make |
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* the form run correctly. Call the function `getJavaScriptValidationFiles()`. |
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*/ |
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class FieldsValidationJavaScriptAssetHandler extends AbstractAssetHandler |
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{ |
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/** |
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* @var array |
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*/ |
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protected $javaScriptValidationFiles; |
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/** |
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* Main function of this asset handler. See class description. |
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* |
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* @return string |
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*/ |
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public function getJavaScriptCode() |
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{ |
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$fieldsJavaScriptCode = []; |
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$formConfiguration = $this->getFormObject()->getDefinition(); |
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foreach ($formConfiguration->getFields() as $field) { |
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$fieldsJavaScriptCode[] = $this->processField($field); |
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} |
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$formName = GeneralUtility::quoteJSvalue($this->getFormObject()->getName()); |
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$fieldsJavaScriptCode = implode(CRLF, $fieldsJavaScriptCode); |
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return <<<JS |
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(function() { |
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Fz.Form.get( |
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$formName, |
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function(form) { |
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var field = null; |
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$fieldsJavaScriptCode |
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} |
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); |
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})(); |
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JS; |
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} |
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/** |
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* Will run the process for the given field. |
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* |
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* @param Field $field |
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* @return string |
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*/ |
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protected function processField($field) |
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{ |
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$javaScriptCode = []; |
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$fieldName = $field->getName(); |
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foreach ($field->getValidators() as $validator) { |
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$validatorClassName = $validator->getClassName(); |
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if (in_array(AbstractValidator::class, class_parents($validatorClassName))) { |
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$javaScriptCode[] = (string)$this->getInlineJavaScriptValidatorCode($field, $validator); |
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} |
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} |
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$javaScriptCode = implode(CRLF, $javaScriptCode); |
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$javaScriptFieldName = GeneralUtility::quoteJSvalue($fieldName); |
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return <<<JS |
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/*************************** |
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* Field: "$fieldName" |
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****************************/ |
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field = form.getFieldByName($javaScriptFieldName); |
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if (null !== field) { |
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$javaScriptCode |
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} |
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JS; |
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} |
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/** |
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* Generates the JavaScript code to add a validation rule to a field. |
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* |
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* @param Field $field |
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* @param Validator $validator Contains the current validator configuration. |
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* @return string |
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*/ |
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protected function getInlineJavaScriptValidatorCode(Field $field, Validator $validator) |
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{ |
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$javaScriptValidatorName = GeneralUtility::quoteJSvalue($validator->getName()); |
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$validatorClassName = addslashes($validator->getClassName()); |
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$validatorConfigurationFinal = $this->getValidatorConfiguration($field, $validator); |
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$validatorConfigurationFinal = $this->handleValidatorConfiguration($validatorConfigurationFinal); |
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return <<<JS |
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/* |
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* Validation rule "{$validator->getName()}" |
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*/ |
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field.addValidation($javaScriptValidatorName, '$validatorClassName', $validatorConfigurationFinal); |
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JS; |
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} |
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/** |
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* Wrapper for unit tests. |
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* |
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* @param string $jsonValidationConfiguration |
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* @return string |
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*/ |
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protected function handleValidatorConfiguration($jsonValidationConfiguration) |
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{ |
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return $jsonValidationConfiguration; |
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} |
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/** |
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* Returns a JSON array containing the validator configuration needed by |
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* JavaScript. |
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* |
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* @param Field $field |
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* @param Validator $validator |
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* @return string |
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*/ |
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protected function getValidatorConfiguration(Field $field, Validator $validator) |
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{ |
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$acceptsEmptyValues = ValidatorService::get()->validatorAcceptsEmptyValues($validator->getClassName()); |
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/** @var FormzLocalizationJavaScriptAssetHandler $formzLocalizationJavaScriptAssetHandler */ |
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$formzLocalizationJavaScriptAssetHandler = $this->assetHandlerFactory->getAssetHandler(FormzLocalizationJavaScriptAssetHandler::class); |
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$messages = $formzLocalizationJavaScriptAssetHandler->getTranslationKeysForFieldValidator($field, $validator); |
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return ArrayService::get()->arrayToJavaScriptJson([ |
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'options' => $validator->getOptions(), |
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'messages' => $messages, |
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'settings' => $validator->toArray(), |
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'acceptsEmptyValues' => $acceptsEmptyValues |
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]); |
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} |
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/** |
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* @return array |
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*/ |
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public function getJavaScriptValidationFiles() |
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{ |
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if (null === $this->javaScriptValidationFiles) { |
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$this->javaScriptValidationFiles = []; |
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$formConfiguration = $this->getFormObject()->getDefinition(); |
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foreach ($formConfiguration->getFields() as $field) { |
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foreach ($field->getValidators() as $validator) { |
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$validatorClassName = $validator->getClassName(); |
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if (in_array(AbstractValidator::class, class_parents($validatorClassName))) { |
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/** @var AbstractValidator $validatorClassName */ |
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$this->javaScriptValidationFiles = array_merge($this->javaScriptValidationFiles, $validatorClassName::getJavaScriptValidationFiles()); |
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} |
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} |
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} |
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$this->javaScriptValidationFiles = array_unique($this->javaScriptValidationFiles); |
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} |
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return $this->javaScriptValidationFiles; |
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} |
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} |
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romm /
formz
