TYPO3 /
TYPO3.CMS
| Total Complexity | 53 |
| Total Lines | 411 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like BackendLayoutView often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use BackendLayoutView, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 26 | class BackendLayoutView implements \TYPO3\CMS\Core\SingletonInterface |
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| 27 | { |
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| 28 | /** |
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| 29 | * @var BackendLayout\DataProviderCollection |
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| 30 | */ |
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| 31 | protected $dataProviderCollection; |
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| 32 | |||
| 33 | /** |
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| 34 | * @var array |
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| 35 | */ |
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| 36 | protected $selectedCombinedIdentifier = []; |
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| 37 | |||
| 38 | /** |
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| 39 | * @var array |
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| 40 | */ |
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| 41 | protected $selectedBackendLayout = []; |
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| 42 | |||
| 43 | /** |
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| 44 | * Creates this object and initializes data providers. |
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| 45 | */ |
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| 46 | public function __construct() |
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| 47 | { |
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| 48 | $this->initializeDataProviderCollection(); |
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| 49 | } |
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| 50 | |||
| 51 | /** |
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| 52 | * Initializes data providers |
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| 53 | */ |
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| 54 | protected function initializeDataProviderCollection() |
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| 55 | { |
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| 56 | /** @var BackendLayout\DataProviderCollection $dataProviderCollection */ |
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| 57 | $dataProviderCollection = GeneralUtility::makeInstance( |
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| 58 | BackendLayout\DataProviderCollection::class |
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| 59 | ); |
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| 60 | |||
| 61 | $dataProviderCollection->add( |
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| 62 | 'default', |
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| 63 | \TYPO3\CMS\Backend\View\BackendLayout\DefaultDataProvider::class |
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| 64 | ); |
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| 65 | |||
| 66 | if (!empty($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['BackendLayoutDataProvider'])) { |
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| 67 | $dataProviders = (array)$GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['BackendLayoutDataProvider']; |
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| 68 | foreach ($dataProviders as $identifier => $className) { |
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| 69 | $dataProviderCollection->add($identifier, $className); |
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| 70 | } |
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| 71 | } |
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| 72 | |||
| 73 | $this->setDataProviderCollection($dataProviderCollection); |
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| 74 | } |
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| 75 | |||
| 76 | /** |
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| 77 | * @param BackendLayout\DataProviderCollection $dataProviderCollection |
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| 78 | */ |
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| 79 | public function setDataProviderCollection(BackendLayout\DataProviderCollection $dataProviderCollection) |
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| 80 | { |
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| 81 | $this->dataProviderCollection = $dataProviderCollection; |
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| 82 | } |
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| 83 | |||
| 84 | /** |
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| 85 | * @return BackendLayout\DataProviderCollection |
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| 86 | */ |
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| 87 | public function getDataProviderCollection() |
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| 88 | { |
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| 89 | return $this->dataProviderCollection; |
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| 90 | } |
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| 91 | |||
| 92 | /** |
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| 93 | * Gets backend layout items to be shown in the forms engine. |
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| 94 | * This method is called as "itemsProcFunc" with the accordant context |
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| 95 | * for pages.backend_layout and pages.backend_layout_next_level. |
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| 96 | * |
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| 97 | * @param array $parameters |
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| 98 | */ |
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| 99 | public function addBackendLayoutItems(array $parameters) |
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| 100 | { |
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| 101 | $pageId = $this->determinePageId($parameters['table'], $parameters['row']); |
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| 102 | $pageTsConfig = (array)BackendUtility::getPagesTSconfig($pageId); |
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| 103 | $identifiersToBeExcluded = $this->getIdentifiersToBeExcluded($pageTsConfig); |
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| 104 | |||
| 105 | $dataProviderContext = $this->createDataProviderContext() |
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| 106 | ->setPageId($pageId) |
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| 107 | ->setData($parameters['row']) |
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| 108 | ->setTableName($parameters['table']) |
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| 109 | ->setFieldName($parameters['field']) |
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| 110 | ->setPageTsConfig($pageTsConfig); |
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| 111 | |||
| 112 | $backendLayoutCollections = $this->getDataProviderCollection()->getBackendLayoutCollections($dataProviderContext); |
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| 113 | foreach ($backendLayoutCollections as $backendLayoutCollection) { |
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| 114 | $combinedIdentifierPrefix = ''; |
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| 115 | if ($backendLayoutCollection->getIdentifier() !== 'default') { |
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| 116 | $combinedIdentifierPrefix = $backendLayoutCollection->getIdentifier() . '__'; |
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| 117 | } |
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| 118 | |||
| 119 | foreach ($backendLayoutCollection->getAll() as $backendLayout) { |
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| 120 | $combinedIdentifier = $combinedIdentifierPrefix . $backendLayout->getIdentifier(); |
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| 121 | |||
| 122 | if (in_array($combinedIdentifier, $identifiersToBeExcluded, true)) { |
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| 123 | continue; |
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| 124 | } |
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| 125 | |||
| 126 | $parameters['items'][] = [ |
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| 127 | $this->getLanguageService()->sL($backendLayout->getTitle()), |
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| 128 | $combinedIdentifier, |
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| 129 | $backendLayout->getIconPath(), |
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| 130 | ]; |
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| 131 | } |
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| 132 | } |
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| 133 | } |
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| 134 | |||
| 135 | /** |
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| 136 | * Determines the page id for a given record of a database table. |
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| 137 | * |
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| 138 | * @param string $tableName |
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| 139 | * @param array $data |
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| 140 | * @return int|bool Returns page id or false on error |
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| 141 | */ |
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| 142 | protected function determinePageId($tableName, array $data) |
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| 143 | { |
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| 144 | if (strpos($data['uid'], 'NEW') === 0) { |
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| 145 | // negative uid_pid values of content elements indicate that the element |
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| 146 | // has been inserted after an existing element so there is no pid to get |
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| 147 | // the backendLayout for and we have to get that first |
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| 148 | if ($data['pid'] < 0) { |
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| 149 | $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class) |
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| 150 | ->getQueryBuilderForTable($tableName); |
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| 151 | $queryBuilder->getRestrictions() |
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| 152 | ->removeAll(); |
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| 153 | $pageId = $queryBuilder |
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| 154 | ->select('pid') |
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| 155 | ->from($tableName) |
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| 156 | ->where( |
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| 157 | $queryBuilder->expr()->eq( |
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| 158 | 'uid', |
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| 159 | $queryBuilder->createNamedParameter(abs($data['pid']), \PDO::PARAM_INT) |
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| 160 | ) |
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| 161 | ) |
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| 162 | ->execute() |
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| 163 | ->fetchColumn(); |
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| 164 | } else { |
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| 165 | $pageId = $data['pid']; |
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| 166 | } |
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| 167 | } elseif ($tableName === 'pages') { |
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| 168 | $pageId = $data['uid']; |
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| 169 | } else { |
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| 170 | $pageId = $data['pid']; |
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| 171 | } |
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| 172 | |||
| 173 | return $pageId; |
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| 174 | } |
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| 175 | |||
| 176 | /** |
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| 177 | * Returns the backend layout which should be used for this page. |
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| 178 | * |
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| 179 | * @param int $pageId |
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| 180 | * @return bool|string Identifier of the backend layout to be used, or FALSE if none |
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| 181 | */ |
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| 182 | public function getSelectedCombinedIdentifier($pageId) |
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| 183 | { |
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| 184 | if (!isset($this->selectedCombinedIdentifier[$pageId])) { |
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| 185 | $page = $this->getPage($pageId); |
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| 186 | $this->selectedCombinedIdentifier[$pageId] = (string)$page['backend_layout']; |
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| 187 | |||
| 188 | if ($this->selectedCombinedIdentifier[$pageId] === '-1') { |
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| 189 | // If it is set to "none" - don't use any |
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| 190 | $this->selectedCombinedIdentifier[$pageId] = false; |
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| 191 | } elseif ($this->selectedCombinedIdentifier[$pageId] === '' || $this->selectedCombinedIdentifier[$pageId] === '0') { |
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| 192 | // If it not set check the root-line for a layout on next level and use this |
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| 193 | // (root-line starts with current page and has page "0" at the end) |
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| 194 | $rootLine = $this->getRootLine($pageId); |
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| 195 | // Remove first and last element (current and root page) |
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| 196 | array_shift($rootLine); |
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| 197 | array_pop($rootLine); |
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| 198 | foreach ($rootLine as $rootLinePage) { |
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| 199 | $this->selectedCombinedIdentifier[$pageId] = (string)$rootLinePage['backend_layout_next_level']; |
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| 200 | if ($this->selectedCombinedIdentifier[$pageId] === '-1') { |
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| 201 | // If layout for "next level" is set to "none" - don't use any and stop searching |
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| 202 | $this->selectedCombinedIdentifier[$pageId] = false; |
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| 203 | break; |
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| 204 | } |
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| 205 | if ($this->selectedCombinedIdentifier[$pageId] !== '' && $this->selectedCombinedIdentifier[$pageId] !== '0') { |
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| 206 | // Stop searching if a layout for "next level" is set |
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| 207 | break; |
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| 208 | } |
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| 209 | } |
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| 210 | } |
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| 211 | } |
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| 212 | // If it is set to a positive value use this |
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| 213 | return $this->selectedCombinedIdentifier[$pageId]; |
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| 214 | } |
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| 215 | |||
| 216 | /** |
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| 217 | * Gets backend layout identifiers to be excluded |
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| 218 | * |
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| 219 | * @param array $pageTSconfig |
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| 220 | * @return array |
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| 221 | */ |
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| 222 | protected function getIdentifiersToBeExcluded(array $pageTSconfig) |
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| 223 | { |
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| 224 | $identifiersToBeExcluded = []; |
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| 225 | |||
| 226 | if (ArrayUtility::isValidPath($pageTSconfig, 'options./backendLayout./exclude')) { |
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| 227 | $identifiersToBeExcluded = GeneralUtility::trimExplode( |
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| 228 | ',', |
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| 229 | ArrayUtility::getValueByPath($pageTSconfig, 'options./backendLayout./exclude'), |
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| 230 | true |
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| 231 | ); |
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| 232 | } |
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| 233 | |||
| 234 | return $identifiersToBeExcluded; |
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| 235 | } |
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| 236 | |||
| 237 | /** |
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| 238 | * Gets colPos items to be shown in the forms engine. |
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| 239 | * This method is called as "itemsProcFunc" with the accordant context |
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| 240 | * for tt_content.colPos. |
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| 241 | * |
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| 242 | * @param array $parameters |
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| 243 | */ |
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| 244 | public function colPosListItemProcFunc(array $parameters) |
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| 245 | { |
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| 246 | $pageId = $this->determinePageId($parameters['table'], $parameters['row']); |
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| 247 | |||
| 248 | if ($pageId !== false) { |
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| 249 | $parameters['items'] = $this->addColPosListLayoutItems($pageId, $parameters['items']); |
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| 250 | } |
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| 251 | } |
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| 252 | |||
| 253 | /** |
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| 254 | * Adds items to a colpos list |
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| 255 | * |
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| 256 | * @param int $pageId |
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| 257 | * @param array $items |
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| 258 | * @return array |
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| 259 | */ |
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| 260 | protected function addColPosListLayoutItems($pageId, $items) |
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| 261 | { |
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| 262 | $layout = $this->getSelectedBackendLayout($pageId); |
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| 263 | if ($layout && $layout['__items']) { |
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| 264 | $items = $layout['__items']; |
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| 265 | } |
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| 266 | return $items; |
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| 267 | } |
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| 268 | |||
| 269 | /** |
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| 270 | * Gets the list of available columns for a given page id |
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| 271 | * |
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| 272 | * @param int $id |
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| 273 | * @return array $tcaItems |
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| 274 | */ |
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| 275 | public function getColPosListItemsParsed($id) |
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| 294 | } |
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| 295 | |||
| 296 | /** |
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| 297 | * Merges items into an item-array, optionally with an icon |
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| 298 | * example: |
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| 299 | * TCEFORM.pages.doktype.addItems.13 = My Label |
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| 300 | * TCEFORM.pages.doktype.addItems.13.icon = EXT:t3skin/icons/gfx/i/pages.gif |
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| 301 | * |
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| 302 | * @param array $items The existing item array |
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| 303 | * @param array $iArray An array of items to add. NOTICE: The keys are mapped to values, and the values and mapped to be labels. No possibility of adding an icon. |
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| 304 | * @return array The updated $item array |
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| 305 | * @internal |
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| 306 | */ |
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| 307 | protected function addItems($items, $iArray) |
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| 327 | } |
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| 328 | |||
| 329 | /** |
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| 330 | * Gets the selected backend layout |
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| 331 | * |
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| 332 | * @param int $pageId |
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| 333 | * @return array|null $backendLayout |
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| 334 | */ |
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| 335 | public function getSelectedBackendLayout($pageId) |
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| 336 | { |
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| 337 | if (isset($this->selectedBackendLayout[$pageId])) { |
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| 338 | return $this->selectedBackendLayout[$pageId]; |
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| 339 | } |
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| 340 | $backendLayoutData = null; |
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| 341 | |||
| 342 | $selectedCombinedIdentifier = $this->getSelectedCombinedIdentifier($pageId); |
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| 343 | // If no backend layout is selected, use default |
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| 344 | if (empty($selectedCombinedIdentifier)) { |
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| 345 | $selectedCombinedIdentifier = 'default'; |
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| 346 | } |
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| 347 | |||
| 348 | $backendLayout = $this->getDataProviderCollection()->getBackendLayout($selectedCombinedIdentifier, $pageId); |
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| 349 | // If backend layout is not found available anymore, use default |
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| 350 | if ($backendLayout === null) { |
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| 351 | $selectedCombinedIdentifier = 'default'; |
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| 352 | $backendLayout = $this->getDataProviderCollection()->getBackendLayout($selectedCombinedIdentifier, $pageId); |
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| 353 | } |
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| 354 | |||
| 355 | return $backendLayout->getConfigurationArray(); |
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| 356 | } |
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| 357 | |||
| 358 | /** |
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| 359 | * Get default columns layout |
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| 360 | * |
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| 361 | * @return string Default four column layout |
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| 362 | * @static |
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| 363 | */ |
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| 364 | public static function getDefaultColumnLayout() |
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| 365 | { |
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| 366 | return ' |
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| 367 | backend_layout { |
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| 368 | colCount = 1 |
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| 369 | rowCount = 1 |
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| 370 | rows { |
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| 371 | 1 { |
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| 372 | columns { |
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| 373 | 1 { |
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| 374 | name = LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:colPos.I.1 |
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| 375 | colPos = 0 |
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| 376 | } |
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| 377 | } |
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| 378 | } |
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| 379 | } |
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| 380 | } |
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| 381 | '; |
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| 382 | } |
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| 383 | |||
| 384 | /** |
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| 385 | * Gets a page record. |
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| 386 | * |
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| 387 | * @param int $pageId |
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| 388 | * @return array|null |
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| 389 | */ |
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| 390 | protected function getPage($pageId) |
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| 391 | { |
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| 392 | $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class) |
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| 393 | ->getQueryBuilderForTable('pages'); |
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| 394 | $queryBuilder->getRestrictions() |
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| 395 | ->removeAll(); |
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| 396 | $page = $queryBuilder |
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| 397 | ->select('uid', 'pid', 'backend_layout') |
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| 398 | ->from('pages') |
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| 399 | ->where( |
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| 400 | $queryBuilder->expr()->eq( |
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| 401 | 'uid', |
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| 402 | $queryBuilder->createNamedParameter($pageId, \PDO::PARAM_INT) |
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| 403 | ) |
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| 404 | ) |
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| 405 | ->execute() |
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| 406 | ->fetch(); |
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| 407 | BackendUtility::workspaceOL('pages', $page); |
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| 408 | |||
| 409 | return $page; |
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| 410 | } |
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| 411 | |||
| 412 | /** |
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| 413 | * Gets the page root-line. |
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| 414 | * |
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| 415 | * @param int $pageId |
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| 416 | * @return array |
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| 417 | */ |
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| 418 | protected function getRootLine($pageId) |
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| 419 | { |
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| 420 | return BackendUtility::BEgetRootLine($pageId, '', true); |
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| 421 | } |
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| 422 | |||
| 423 | /** |
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| 424 | * @return BackendLayout\DataProviderContext |
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| 425 | */ |
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| 426 | protected function createDataProviderContext() |
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| 429 | } |
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| 430 | |||
| 431 | /** |
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| 432 | * @return \TYPO3\CMS\Core\Localization\LanguageService |
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| 433 | */ |
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| 434 | protected function getLanguageService() |
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| 437 | } |
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| 438 | } |
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| 439 |
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