Resolves a ConfigurationProvider which can provide a working FlexForm
configuration based on the given parameters.
/**
* @param string $headerContent
* @param string $itemContent
* @param array $row
* @param boolean $drawItem
* @return NULL
*/
public function renderPreview(&$headerContent, &$itemContent, array &$row, &$drawItem)
{
$fieldName = NULL;
// every provider for tt_content will be asked to get a preview
if ('shortcut' === $row['CType'] && FALSE === strpos($row['records'], ',')) {
$itemContent = $this->createShortcutIcon($row) . $itemContent;
} else {
$itemContent = '<a name="c' . $row['uid'] . '"></a>' . $itemContent;
}
$providers = $this->configurationService->resolveConfigurationProviders('tt_content', $fieldName, $row);
foreach ($providers as $provider) {
/** @var ProviderInterface $provider */
list($previewHeader, $previewContent, $continueDrawing) = $provider->getPreview($row);
if (FALSE === empty($previewHeader)) {
$headerContent = $previewHeader . (FALSE === empty($headerContent) ? ': ' . $headerContent : '');
$drawItem = FALSE;
}
if (FALSE === empty($previewContent)) {
$itemContent .= $previewContent;
$drawItem = FALSE;
}
if (FALSE === $continueDrawing) {
break;
}
}
$this->attachAssets();
return NULL;
}
/**
* Render method
* @param string $table
* @param string $field
* @param integer $uid
* @param array $record
* @param string $as
* @return array
* @throws Exception
*/
public function render($table, $field, $uid = NULL, $record = NULL, $as = NULL)
{
if (NULL === $record && NULL === $as) {
$record = $this->renderChildren();
}
if (NULL === $uid && NULL !== $record && TRUE === isset($record['uid'])) {
$uid = $record['uid'];
}
if (TRUE === isset($GLOBALS['TCA'][$table]) && TRUE === isset($GLOBALS['TCA'][$table]['columns'][$field])) {
if (NULL === $record) {
$record = $this->recordService->getSingle($table, 'uid,' . $field, $uid);
}
if (NULL === $record) {
throw new Exception(sprintf('Either table "%s", field "%s" or record with uid %d do not exist and you did not manually ' . 'provide the "record" attribute.', $table, $field, $uid), 1358679983);
}
$providers = $this->configurationService->resolveConfigurationProviders($table, $field, $record);
$dataArray = $this->readDataArrayFromProvidersOrUsingDefaultMethod($providers, $record, $field);
} else {
throw new Exception('Invalid table:field "' . $table . ':' . $field . '" - does not exist in TYPO3 TCA.', 1387049117);
}
if (NULL !== $as) {
if ($this->templateVariableContainer->exists($as)) {
$backupVariable = $this->templateVariableContainer->get($as);
$this->templateVariableContainer->remove($as);
}
$this->templateVariableContainer->add($as, $dataArray);
$content = $this->renderChildren();
$this->templateVariableContainer->remove($as);
if (TRUE === isset($backupVariable)) {
$this->templateVariableContainer->add($as, $backupVariable);
}
return $content;
}
return $dataArray;
}
/**
* Hook for generating dynamic FlexForm source code
*
* @param array $dataStructArray
* @param array $conf
* @param array $row
* @param string $table
* @param string $fieldName
* @return void
*/
public function getFlexFormDS_postProcessDS(&$dataStructArray, $conf, &$row, $table, $fieldName)
{
if (empty($fieldName) === TRUE) {
// Cast NULL if an empty but not-NULL field name was passed. This has significance to the Flux internals in
// respect to which ConfigurationProvider(s) are returned.
$fieldName = NULL;
}
$providers = $this->configurationService->resolveConfigurationProviders($table, $fieldName, $row);
foreach ($providers as $provider) {
$provider->postProcessDataStructure($row, $dataStructArray, $conf);
}
}
/**
* @param integer $pageUid
* @param integer $columnPosition
* @param integer $relativeUid
* @return array
*/
protected function getWhiteAndBlackListsFromPageAndContentColumn($pageUid, $columnPosition, $relativeUid)
{
$whitelist = array();
$blacklist = array();
// if a Provider is registered for the "pages" table, try to get a Grid from it. If the Grid
// returned contains a Column which matches the desired colPos value, attempt to read a list
// of allowed/denied content element types from it.
$pageRecord = (array) $this->recordService->getSingle('pages', '*', $pageUid);
$pageProviders = $this->configurationService->resolveConfigurationProviders('pages', NULL, $pageRecord);
$this->appendToWhiteAndBlacklistFromProviders($pageProviders, $pageRecord, $whitelist, $blacklist, $columnPosition);
// Detect what was clicked in order to create the new content element; decide restrictions
// based on this. Returned parent UID and area name is either non-zero and string, or zero
// and NULL when record is NOT inserted as child.
list($parentRecordUid, $fluxAreaName) = $this->getAreaNameAndParentFromRelativeRecordOrDefaults($relativeUid);
// if these variables now indicate that we are inserting content elements into a Flux-enabled content
// area inside another content element, attempt to read allowed/denied content types from the
// Grid returned by the Provider that applies to the parent element's type and configuration
// (admitted, that's quite a mouthful - but it's not that different from reading the values from
// a page template like above; it's the same principle).
if (0 < $parentRecordUid && FALSE === empty($fluxAreaName)) {
$parentRecord = (array) $this->recordService->getSingle('tt_content', '*', $parentRecordUid);
$contentProviders = $this->configurationService->resolveConfigurationProviders('tt_content', NULL, $parentRecord);
$this->appendToWhiteAndBlacklistFromProviders($contentProviders, $parentRecord, $whitelist, $blacklist, NULL, $fluxAreaName);
}
// White/blacklist filtering. If whitelist contains elements, filter the list
// of possible types by whitelist first. Then apply the blacklist, removing
// any element types recorded herein.
$whitelist = array_unique($whitelist);
$blacklist = array_unique($blacklist);
return array($whitelist, $blacklist);
}
/**
* Render method
* @param string $table
* @param string $field
* @param integer $uid
* @param array $record
* @param string $as
* @return array
* @throws Exception
*/
public function render($table, $field, $uid = NULL, $record = NULL, $as = NULL)
{
if (NULL === $uid && NULL !== $record && TRUE === isset($record['uid'])) {
$uid = $record['uid'];
}
if (TRUE === isset(self::$dataCache[$uid . $table . $field])) {
$dataArray = self::$dataCache[$uid . $table . $field];
} elseif (TRUE === isset($GLOBALS['TCA'][$table]) && TRUE === isset($GLOBALS['TCA'][$table]['columns'][$field])) {
if (NULL === $record) {
$record = $GLOBALS['TYPO3_DB']->exec_SELECTgetSingleRow('uid,' . $field, $table, sprintf('uid=%d', $uid));
}
if (FALSE === $record) {
throw new Exception(sprintf('Either table "%s", field "%s" or record with uid %d do not exist and you did not manually ' . 'provide the "row" attribute.', $table, $field, $uid), 1358679983);
}
$providers = $this->configurationService->resolveConfigurationProviders($table, $field, $record);
if (0 === count($providers)) {
$dataArray = $this->configurationService->convertFlexFormContentToArray($record[$field]);
} else {
$dataArray = array();
foreach ($providers as $provider) {
$data = (array) $provider->getFlexFormValues($record);
$dataArray = RecursiveArrayUtility::merge($dataArray, $data);
}
}
self::$dataCache[$uid . $table . $field] = $dataArray;
} else {
throw new Exception('Invalid table:field "' . $table . ':' . $field . '" - does not exist in TYPO3 TCA.', 1387049117);
}
if (NULL !== $as) {
if ($this->templateVariableContainer->exists($as)) {
$backupVariable = $this->templateVariableContainer->get($as);
$this->templateVariableContainer->remove($as);
}
$this->templateVariableContainer->add($as, $dataArray);
$content = $this->renderChildren();
$this->templateVariableContainer->remove($as);
if (TRUE === isset($backupVariable)) {
$this->templateVariableContainer->add($as, $backupVariable);
}
return $content;
}
return $dataArray;
}
/**
* Perform various cleanup operations upon clearing cache
*
* @param string $command
* @return void
*/
public function clearCacheCommand($command)
{
if (TRUE === self::$cachesCleared) {
return;
}
$tables = array_keys($GLOBALS['TCA']);
foreach ($tables as $table) {
$providers = $this->configurationService->resolveConfigurationProviders($table, NULL);
foreach ($providers as $provider) {
/** @var $provider ProviderInterface */
$provider->clearCacheCommand($command);
}
}
self::$cachesCleared = TRUE;
}
/**
* Hook for generating dynamic FlexForm source code.
*
* NOTE: patches data structure resolving in a way that solves
* a regression in the TYPO3 core when dealing with IRRE AJAX
* requests (in which the database record is no longer fetched
* by the controller). This patches not only data structure
* resolving for Flux data structures but indeed any data
* structure built using hooks or involving user functions which
* require the entire record (but when using hooks, supports
* only extensions which are loaded AFTER or depend on Flux).
*
* @param array $dataStructArray
* @param array $conf
* @param array $row
* @param string $table
* @param string $fieldName
* @return void
*/
public function getFlexFormDS_postProcessDS(&$dataStructArray, $conf, &$row, $table, $fieldName)
{
if (empty($fieldName) === TRUE) {
// Cast NULL if an empty but not-NULL field name was passed. This has significance to the Flux internals in
// respect to which ConfigurationProvider(s) are returned.
$fieldName = NULL;
}
if (!empty($fieldName) && !isset($row[$fieldName])) {
// Patch required (possibly temporary). Due to changes in TYPO3 in the new FormEngine we must fetch the
// database record at this point when the record is incomplete, which happens when attempting to render
// IRRE records. The reason is that the controller that creates the HTML does not fetch the record any
// more - and that the AJAX request contains only the UID. So, we fetch the record here to ensure it
// contains the necessary fields. DOES NOT WORK FOR NEW RECORDS - SEE COMMENTS BELOW.
$row = $this->recordService->getSingle($table, '*', $row['uid']);
}
$defaultDataSourceCacheIdentifier = $table . '_' . $fieldName . '_' . sha1(serialize($conf));
if (!$row) {
// In the case that the database record cannot be fetched we are dealing with a new or otherwise deleted
// or unidentifiable record. This happens primarily when AJAX requests are made to render IRRE records
// without the parent record having been saved first. To accommodate this case we have to be slightly
// creative and store a "default" data source definition which is identified based on a checksum of the
// configuration provided. Whenever we are then unable to fetch a record, we can at least attempt to
// locate a default data source in previously cached content. NB: we enforce a VERY high cache lifetime
// and continually refresh it every time it is possible to render a new DS that can serve as default.
$dataStructArray = (array) $this->cache->get($defaultDataSourceCacheIdentifier);
} else {
if (FALSE === is_array($dataStructArray)) {
$dataStructArray = array();
}
$providers = $this->configurationService->resolveConfigurationProviders($table, $fieldName, $row);
foreach ($providers as $provider) {
$provider->postProcessDataStructure($row, $dataStructArray, $conf);
}
if (empty($dataStructArray)) {
$dataStructArray = array('ROOT' => array('el' => array()));
}
$evaluationParameters = array();
$this->cache->set($defaultDataSourceCacheIdentifier, $this->recursivelyEvaluateClosures($dataStructArray, $evaluationParameters), array(), time() + 31536000);
}
// Trigger TCEforms dimension patching only if required by TYPO3 version according to CompatibilityRegistry.
if (CompatibilityRegistry::get('FluidTYPO3\\Flux\\Backend\\DynamicFlexForm::NEEDS_TCEFORMS_WRAPPER')) {
$dataStructArray = $this->patchTceformsWrapper($dataStructArray);
}
}
/**
* @param integer $relativeRecordUid
* @param string $fluxAreaName
* @param array $whitelist
* @param array $blacklist
* @return array
*/
protected function readWhitelistAndBlacklistFromColumn($relativeRecordUid, $fluxAreaName, $whitelist, $blacklist)
{
$relativeRecord = $this->recordService->getSingle('tt_content', '*', (int) $relativeRecordUid);
$contentProviders = $this->configurationService->resolveConfigurationProviders('tt_content', NULL, $relativeRecord);
foreach ($contentProviders as $contentProvider) {
$grid = $contentProvider->getGrid($relativeRecord);
if (NULL === $grid) {
continue;
}
foreach ($grid->getRows() as $row) {
foreach ($row->getColumns() as $column) {
if ($column->getName() === $fluxAreaName) {
list($whitelist, $blacklist) = $this->appendToWhiteAndBlacklistFromComponent($column, $whitelist, $blacklist);
}
}
}
}
return array($whitelist, $blacklist);
}
/**
* @param string $headerContent
* @param string $itemContent
* @param array $row
* @param boolean $drawItem
* @return NULL
*/
public function renderPreview(&$headerContent, &$itemContent, array &$row, &$drawItem)
{
$children = $GLOBALS['TYPO3_DB']->exec_SELECTgetRows('uid,tx_flux_column', 'tt_content', "tx_flux_parent = '" . $row['uid'] . "'");
$checksum = sha1(json_encode($row)) . '-' . sha1(json_encode($children));
$cacheFilePathAndfilenameHeader = GeneralUtility::getFileAbsFileName('typo3temp/flux-preview-' . $checksum . '-header.tmp');
$cacheFilePathAndfilenameContent = GeneralUtility::getFileAbsFileName('typo3temp/flux-preview-' . $checksum . '-content.tmp');
$drawItem = TRUE;
if (TRUE === file_exists($cacheFilePathAndfilenameHeader) && TRUE === file_exists($cacheFilePathAndfilenameContent)) {
$itemContent = file_get_contents($cacheFilePathAndfilenameContent);
$headerContent = file_get_contents($cacheFilePathAndfilenameHeader);
$drawItem = FALSE;
$this->attachStyle();
return NULL;
}
$fieldName = NULL;
// every provider for tt_content will be asked to get a preview
if ('shortcut' === $row['CType'] && FALSE === strpos($row['records'], ',')) {
$itemContent = $this->createShortcutIcon($row) . $itemContent;
} else {
$itemContent = '<a name="c' . $row['uid'] . '"></a>' . $itemContent;
}
$providers = $this->configurationService->resolveConfigurationProviders('tt_content', $fieldName, $row);
foreach ($providers as $provider) {
/** @var ProviderInterface $provider */
list($previewHeader, $previewContent, $continueDrawing) = $provider->getPreview($row);
if (FALSE === empty($previewHeader)) {
$headerContent = $previewHeader . (FALSE === empty($headerContent) ? ': ' . $headerContent : '');
$drawItem = FALSE;
GeneralUtility::writeFile($cacheFilePathAndfilenameHeader, $headerContent);
}
if (FALSE === empty($previewContent)) {
$itemContent .= $previewContent;
$drawItem = FALSE;
GeneralUtility::writeFile($cacheFilePathAndfilenameContent, $itemContent);
}
if (FALSE === $continueDrawing) {
break;
}
}
$this->attachStyle();
return NULL;
}
/**
* @param integer $uid
* @return array
*/
public function getContentAreasDefinedInContentElement($uid)
{
$uid = (int) $uid;
$record = $this->recordService->getSingle('tt_content', '*', $uid);
/** @var $providers ProviderInterface[] */
$providers = $this->fluxService->resolveConfigurationProviders('tt_content', NULL, $record);
$columns = array();
foreach ($providers as $provider) {
$grid = $provider->getGrid($record);
if (TRUE === empty($grid)) {
continue;
}
$gridConfiguration = $grid->build();
foreach ($gridConfiguration['rows'] as $row) {
foreach ($row['columns'] as $column) {
array_push($columns, array($column['label'] . ' (' . $column['name'] . ')', $column['name']));
}
}
}
return array_unique($columns, SORT_REGULAR);
}
/**
* @param integer $uid
* @return array
*/
public function getContentAreasDefinedInContentElement($uid)
{
$uid = (int) $uid;
$record = $GLOBALS['TYPO3_DB']->exec_SELECTgetSingleRow('*', 'tt_content', "uid = '" . $uid . "'");
/** @var $providers ProviderInterface[] */
$providers = $this->fluxService->resolveConfigurationProviders('tt_content', NULL, $record);
$columns = array();
foreach ($providers as $provider) {
$grid = $provider->getGrid($record);
if (TRUE === empty($grid)) {
continue;
}
$gridConfiguration = $grid->build();
foreach ($gridConfiguration['rows'] as $row) {
foreach ($row['columns'] as $column) {
foreach ($column['areas'] as $area) {
array_push($columns, array($area['label'] . ' (' . $area['name'] . ')', $area['name']));
}
}
}
}
return array_unique($columns);
}
/**
* @param array $items
* @param \TYPO3\CMS\Backend\Controller\ContentElement\NewContentElementController
* @return void
*/
public function manipulateWizardItems(&$items, &$parentObject)
{
$whitelist = array();
$blacklist = array();
// if a Provider is registered for the "pages" table, try to get a Grid from it. If the Grid
// returned contains a Column which matches the desired colPos value, attempt to read a list
// of allowed/denied content element types from it.
$pageRecord = $GLOBALS['TYPO3_DB']->exec_SELECTgetSingleRow('*', 'pages', "uid = '" . $parentObject->id . "'");
$pageProviders = $this->configurationService->resolveConfigurationProviders('pages', NULL, $pageRecord);
foreach ($pageProviders as $pageProvider) {
$grid = $pageProvider->getGrid($pageRecord);
if (NULL === $grid) {
continue;
}
foreach ($grid->getRows() as $row) {
foreach ($row->getColumns() as $column) {
if ($column->getColumnPosition() === $parentObject->colPos) {
list($whitelist, $blacklist) = $this->appendToWhiteAndBlacklistFromComponent($column, $whitelist, $blacklist);
}
}
}
}
// Detect what was clicked in order to create the new content element; decide restrictions
// based on this.
$defaultValues = GeneralUtility::_GET('defVals');
if (0 > $parentObject->uid_pid) {
// pasting after another element means we should try to resolve the Flux content relation
// from that element instead of GET parameters (clicked: "create new" icon after other element)
$relativeRecordUid = abs($parentObject->uid_pid);
$relativeRecord = $GLOBALS['TYPO3_DB']->exec_SELECTgetSingleRow('*', 'tt_content', "uid = '" . $relativeRecordUid . "'");
$fluxAreaName = $relativeRecord['tx_flux_column'];
} elseif (TRUE === isset($defaultValues['tt_content']['tx_flux_column'])) {
// attempt to read the target Flux content area from GET parameters (clicked: "create new" icon
// in top of nested Flux content area
$fluxAreaName = $defaultValues['tt_content']['tx_flux_column'];
$relativeRecordUid = $defaultValues['tt_content']['tx_flux_parent'];
}
// if these variables now indicate that we are inserting content elements into a Flux-enabled content
// area inside another content element, attempt to read allowed/denied content types from the
// Grid returned by the Provider that applies to the parent element's type and configuration
// (admitted, that's quite a mouthful - but it's not that different from reading the values from
// a page template like above; it's the same principle).
if (0 < $relativeRecordUid && FALSE === empty($fluxAreaName)) {
$relativeRecord = $GLOBALS['TYPO3_DB']->exec_SELECTgetSingleRow('*', 'tt_content', "uid = '" . $relativeRecordUid . "'");
$contentProviders = $this->configurationService->resolveConfigurationProviders('tt_content', NULL, $relativeRecord);
foreach ($contentProviders as $contentProvider) {
$grid = $contentProvider->getGrid($relativeRecord);
if (NULL === $grid) {
continue;
}
foreach ($grid->getRows() as $row) {
foreach ($row->getColumns() as $column) {
foreach ($column->getAreas() as $area) {
if ($area->getName() === $fluxAreaName) {
list($whitelist, $blacklist) = $this->appendToWhiteAndBlacklistFromComponent($area, $whitelist, $blacklist);
}
}
}
}
}
}
// White/blacklist filtering. If whitelist contains elements, filter the list
// of possible types by whitelist first. Then apply the blacklist, removing
// any element types recorded herein.
$whitelist = array_unique($whitelist);
$blacklist = array_unique($blacklist);
if (0 < count($whitelist)) {
foreach ($items as $name => $item) {
if (FALSE !== strpos($name, '_') && FALSE === in_array($item['tt_content_defValues']['CType'], $whitelist)) {
unset($items[$name]);
}
}
}
if (0 < count($blacklist)) {
foreach ($blacklist as $contentElementType) {
foreach ($items as $name => $item) {
if ($item['tt_content_defValues']['CType'] === $contentElementType) {
unset($items[$name]);
}
}
}
}
// Finally, loop through the items list and clean up any tabs with zero element types inside.
$preserveHeaders = array();
foreach ($items as $name => $item) {
if (FALSE !== strpos($name, '_')) {
array_push($preserveHeaders, reset(explode('_', $name)));
}
}
foreach ($items as $name => $item) {
if (FALSE === strpos($name, '_') && FALSE === in_array($name, $preserveHeaders)) {
unset($items[$name]);
}
}
}