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<?php |
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/* |
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* This file is part of the TYPO3 CMS project. |
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* |
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* It is free software; you can redistribute it and/or modify it under |
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* the terms of the GNU General Public License, either version 2 |
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* of the License, or any later version. |
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* |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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* |
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* The TYPO3 project - inspiring people to share! |
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*/ |
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namespace TYPO3\CMS\Fluid\ViewHelpers\Form; |
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use TYPO3\CMS\Extbase\DomainObject\AbstractDomainObject; |
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use TYPO3\CMS\Extbase\Persistence\Generic\LazyLoadingProxy; |
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use TYPO3\CMS\Extbase\Persistence\PersistenceManagerInterface; |
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use TYPO3\CMS\Fluid\ViewHelpers\FormViewHelper; |
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use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper; |
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/** |
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* Abstract Form ViewHelper. Bundles functionality related to direct property access of objects in other Form ViewHelpers. |
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* |
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* If you set the "property" attribute to the name of the property to resolve from the object, this class will |
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* automatically set the name and value of a form element. |
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*/ |
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abstract class AbstractFormViewHelper extends AbstractTagBasedViewHelper |
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{ |
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/** |
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* @var \TYPO3\CMS\Extbase\Persistence\PersistenceManagerInterface |
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*/ |
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protected $persistenceManager; |
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/** |
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* @param \TYPO3\CMS\Extbase\Persistence\PersistenceManagerInterface $persistenceManager |
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*/ |
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public function injectPersistenceManager(PersistenceManagerInterface $persistenceManager) |
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{ |
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$this->persistenceManager = $persistenceManager; |
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} |
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/** |
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* Prefixes / namespaces the given name with the form field prefix |
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* |
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* @param string $fieldName field name to be prefixed |
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* @return string namespaced field name |
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*/ |
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protected function prefixFieldName($fieldName) |
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{ |
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if ($fieldName === null || $fieldName === '') { |
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return ''; |
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} |
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$viewHelperVariableContainer = $this->renderingContext->getViewHelperVariableContainer(); |
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if (!$viewHelperVariableContainer->exists(FormViewHelper::class, 'fieldNamePrefix')) { |
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return $fieldName; |
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} |
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$fieldNamePrefix = (string)$viewHelperVariableContainer->get(FormViewHelper::class, 'fieldNamePrefix'); |
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if ($fieldNamePrefix === '') { |
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return $fieldName; |
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} |
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$fieldNameSegments = explode('[', $fieldName, 2); |
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$fieldName = $fieldNamePrefix . '[' . $fieldNameSegments[0] . ']'; |
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if (count($fieldNameSegments) > 1) { |
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$fieldName .= '[' . $fieldNameSegments[1]; |
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} |
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return $fieldName; |
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} |
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/** |
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* Renders a hidden form field containing the technical identity of the given object. |
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* |
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* @param object $object Object to create the identity field for |
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* @param string $name Name |
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* @return string A hidden field containing the Identity (UID in TYPO3 Flow, uid in Extbase) of the given object or NULL if the object is unknown to the persistence framework |
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* @see \TYPO3\CMS\Extbase\Mvc\Controller\Argument::setValue() |
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*/ |
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protected function renderHiddenIdentityField($object, $name) |
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{ |
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if ($object instanceof LazyLoadingProxy) { |
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$object = $object->_loadRealInstance(); |
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} |
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if (!is_object($object) |
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|| !($object instanceof AbstractDomainObject) |
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|| ($object->_isNew() && !$object->_isClone())) { |
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return ''; |
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} |
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// Intentionally NOT using PersistenceManager::getIdentifierByObject here!! |
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// Using that one breaks re-submission of data in forms in case of an error. |
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$identifier = $object->getUid(); |
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if ($identifier === null) { |
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return LF . '<!-- Object of type ' . get_class($object) . ' is without identity -->' . LF; |
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} |
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$name = $this->prefixFieldName($name) . '[__identity]'; |
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$this->registerFieldNameForFormTokenGeneration($name); |
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return LF . '<input type="hidden" name="' . htmlspecialchars($name) . '" value="' . htmlspecialchars((string)$identifier) . '" />' . LF; |
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} |
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/** |
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* Register a field name for inclusion in the HMAC / Form Token generation |
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* |
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* @param string $fieldName name of the field to register |
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*/ |
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protected function registerFieldNameForFormTokenGeneration($fieldName) |
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{ |
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$viewHelperVariableContainer = $this->renderingContext->getViewHelperVariableContainer(); |
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if ($viewHelperVariableContainer->exists(FormViewHelper::class, 'formFieldNames')) { |
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$formFieldNames = $viewHelperVariableContainer->get(FormViewHelper::class, 'formFieldNames'); |
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} else { |
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$formFieldNames = []; |
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} |
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$formFieldNames[] = $fieldName; |
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$viewHelperVariableContainer->addOrUpdate(FormViewHelper::class, 'formFieldNames', $formFieldNames); |
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} |
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} |
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TYPO3 /
TYPO3.CMS
