/**
* This method is used to retrieve all parent elements (an parent elements needs to
* have the flag 'tx_languagevisibility_inheritanceflag_original' or
* needs to be orverlayed with a record, that has the field 'tx_languagevisibility_inheritanceflag_overlayed'
* configured or is the first element of the rootline
*
* @param tx_languagevisibility_element $element
* @return array $elements (collection of tx_languagevisibility_element)
*/
public function getParentElementsFromElement(tx_languagevisibility_element $element, $language)
{
$elements = array();
if ($element instanceof tx_languagevisibility_pageelement) {
/* @var $sys_page t3lib_pageSelect */
$rootline = $this->getOverlayedRootLine($element->getUid(), $language->getUid());
if (is_array($rootline)) {
foreach ($rootline as $rootlineElement) {
if ($rootlineElement['tx_languagevisibility_inheritanceflag_original'] == 1 || $rootlineElement['tx_languagevisibility_inheritanceflag_overlayed'] == 1) {
$elements[] = self::getElementForTable('pages', $rootlineElement['uid']);
}
}
if (sizeof($elements) == 0) {
$root = end($rootline);
$elements[] = self::getElementForTable('pages', $root['uid']);
}
}
} else {
$parentPage = $this->getElementForTable('pages', $element->getUid());
$elements = $this->getParentElementsFromElement($parentPage, $language);
}
return $elements;
}
/**
* return the accumulated visibility setting: reads default for language then reads local for element and merges them.
* if local is default, then the global is used or it is forced to be "yes" if the language was set to all.
* if the element itself is a translated original record the element is only visible in the specific language
* If nothing is set the hardcoded default "t" (translated) is returned
*
* @param tx_languagevisibility_language $language
* @param tx_languagevisibility_element $element
* @param boolean
* @return string
*/
public function getVisibilitySetting(tx_languagevisibility_language $language, tx_languagevisibility_element $element, $omitLocal = false)
{
$cacheManager = tx_languagevisibility_cacheManager::getInstance();
$cacheData = $cacheManager->get('visibilitySettingCache');
$isCacheEnabled = $cacheManager->isCacheEnabled();
$elementTable = $element->getTable();
$elementUid = $element->getUid();
$languageUid = $language->getUid();
$cacheKey = $languageUid . '_' . $elementUid . '_' . $elementTable . '_' . $omitLocal;
if (!$isCacheEnabled || !isset($cacheData[$cacheKey])) {
$cacheData[$cacheKey] = $this->getVisibility($language, $element, $omitLocal)->getVisibilityString();
$cacheManager->set('visibilitySettingCache', $cacheData);
}
return $cacheData[$cacheKey];
}
