1 <?php

2 namespace ‪TYPO3\CMS\Fluid\ViewHelpers\Form;

3 

4 /*

5  * This file is part of the TYPO3 CMS project.

6  *

7  * It is free software; you can redistribute it and/or modify it under

8  * the terms of the GNU General Public License, either version 2

9  * of the License, or any later version.

10  *

11  * For the full copyright and license information, please read the

12  * LICENSE.txt file that was distributed with this source code.

13  *

14  * The TYPO3 project - inspiring people to share!

15  */

16 

17 use TYPO3Fluid\Fluid\Core\ViewHelper\AbstractTagBasedViewHelper;

18 

25 abstract class ‪AbstractFormViewHelper extends AbstractTagBasedViewHelper

26 {

30  protected ‪$persistenceManager;

31 

35  public function ‪injectPersistenceManager(\‪TYPO3\CMS\‪Extbase\Persistence\PersistenceManagerInterface ‪$persistenceManager)

36  {

37  $this->persistenceManager = ‪$persistenceManager;

38  }

39 

46  protected function ‪prefixFieldName($fieldName)

47  {

48  if ($fieldName === null || $fieldName === '') {

49  return '';

50  }

51  $viewHelperVariableContainer = $this->renderingContext->getViewHelperVariableContainer();

52  if (!$viewHelperVariableContainer->exists(\‪TYPO3\CMS\Fluid\ViewHelpers\FormViewHelper::class, 'fieldNamePrefix')) {

53  return $fieldName;

54  }

55  $fieldNamePrefix = (string)$viewHelperVariableContainer->get(\‪TYPO3\CMS\Fluid\ViewHelpers\FormViewHelper::class, 'fieldNamePrefix');

56  if ($fieldNamePrefix === '') {

57  return $fieldName;

58  }

59  $fieldNameSegments = explode('[', $fieldName, 2);

60  $fieldName = $fieldNamePrefix . '[' . $fieldNameSegments[0] . ']';

61  if (count($fieldNameSegments) > 1) {

62  $fieldName .= '[' . $fieldNameSegments[1];

63  }

64  return $fieldName;

65  }

66 

75  protected function ‪renderHiddenIdentityField($object, $name)

76  {

77  if ($object instanceof \‪TYPO3\CMS\‪Extbase\Persistence\Generic\LazyLoadingProxy) {

78  $object = $object->_loadRealInstance();

79  }

80  if (!is_object($object)

81  || !($object instanceof \‪TYPO3\CMS\‪Extbase\DomainObject\AbstractDomainObject)

82  || ($object->_isNew() && !$object->_isClone())) {

83  return '';

84  }

85  // Intentionally NOT using PersistenceManager::getIdentifierByObject here!!

86  // Using that one breaks re-submission of data in forms in case of an error.

87  $identifier = $object->getUid();

88  if ($identifier === null) {

89  return LF . '<!-- Object of type ' . get_class($object) . ' is without identity -->' . LF;

90  }

91  $name = $this->‪prefixFieldName($name) . '[__identity]';

92  $this->‪registerFieldNameForFormTokenGeneration($name);

93 

94  return LF . '<input type="hidden" name="' . htmlspecialchars($name) . '" value="' . htmlspecialchars($identifier) . '" />' . LF;

95  }

96 

102  protected function ‪registerFieldNameForFormTokenGeneration($fieldName)

103  {

104  $viewHelperVariableContainer = $this->renderingContext->getViewHelperVariableContainer();

105  if ($viewHelperVariableContainer->exists(\‪TYPO3\CMS\Fluid\ViewHelpers\FormViewHelper::class, 'formFieldNames')) {

106  $formFieldNames = $viewHelperVariableContainer->get(\‪TYPO3\CMS\Fluid\ViewHelpers\FormViewHelper::class, 'formFieldNames');

107  } else {

108  $formFieldNames = [];

109  }

110  $formFieldNames[] = $fieldName;

111  $viewHelperVariableContainer->addOrUpdate(\‪TYPO3\CMS\Fluid\ViewHelpers\FormViewHelper::class, 'formFieldNames', $formFieldNames);

112  }

113 }