1 <?php

2 namespace TYPO3\CMS\Backend\View\BackendLayout;

3 

22 class DataProviderCollection implements \TYPO3\CMS\Core\SingletonInterface {

23 

27  protected $dataProviders = array();

28 

32  protected $results = array();

33 

42  public function add($identifier, $classNameOrObject) {

43  if (strpos($identifier, '__') !== FALSE) {

44  throw new \UnexpectedValueException(

45  'Identifier "' . $identifier . '" must not contain "__"',

46  1381597629

47  );

48  }

49 

50  if (is_object($classNameOrObject)) {

51  $className = get_class($classNameOrObject);

52  $dataProvider = $classNameOrObject;

53  } else {

54  $className = $classNameOrObject;

55  $dataProvider = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance($classNameOrObject);

56  }

57 

58  if (!$dataProvider instanceof DataProviderInterface) {

59  throw new \LogicException(

60  $className . ' must implement interface TYPO3\\CMS\\Backend\\View\\BackendLayout\\DataProviderInterface',

61  1381269811

62  );

63  }

64 

65  $this->dataProviders[$identifier] = $dataProvider;

66  }

67 

76  public function getBackendLayoutCollections(DataProviderContext $dataProviderContext) {

77  $result = array();

78 

79  foreach ($this->dataProviders as $identifier => $dataProvider) {

80  $backendLayoutCollection = $this->createBackendLayoutCollection($identifier);

81  $dataProvider->addBackendLayouts($dataProviderContext, $backendLayoutCollection);

82  $result[$identifier] = $backendLayoutCollection;

83  }

84 

85  return $result;

86  }

87 

98  public function getBackendLayout($combinedIdentifier, $pageId) {

99  $backendLayout = NULL;

100 

101  if (strpos($combinedIdentifier, '__') === FALSE) {

102  $dataProviderIdentifier = 'default';

103  $backendLayoutIdentifier = $combinedIdentifier;

104  } else {

105  list($dataProviderIdentifier, $backendLayoutIdentifier) = explode('__', $combinedIdentifier, 2);

106  }

107 

108  if (isset($this->dataProviders[$dataProviderIdentifier])) {

109  $backendLayout = $this->dataProviders[$dataProviderIdentifier]->getBackendLayout($backendLayoutIdentifier, $pageId);

110  }

111 

112  return $backendLayout;

113  }

114 

121  protected function createBackendLayoutCollection($identifier) {

122  return \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(

123  'TYPO3\\CMS\\Backend\\View\\BackendLayout\\BackendLayoutCollection', $identifier

124  );

125  }

126 

127 }