/**
* Finds the selected filter options for a given filter.
* Checks
* - piVars one-dimensional filter
* - piVars multi-dimensional filter
* - backend preselected filter options
*
* returns the filter options uids as values of an array or zero if no option has been selected.
*
* @param array $filter
* @return integer
* @author Christian Bülter <*****@*****.**>
* @since 09.09.14
*/
public function getSelectedFilterOptions($filter)
{
$selectedOptions = array();
// run through all the filter options and check if one of them
// has been selected.
foreach ($filter['options'] as $option) {
// Is the filter option selected in the frontend via piVars
// or in the backend via flexform configuration ("preselected filters")?
$selected = false;
if ($this->pObj->piVars['filter'][$filter['uid']] == $option['tag']) {
$selected = true;
} else {
if (is_array($this->pObj->piVars['filter'][$filter['uid']])) {
$isInArray = TYPO3\CMS\Core\Utility\GeneralUtility::inArray($this->pObj->piVars['filter'][$filter['uid']], $option['tag']);
if ($isInArray) {
$selected = true;
}
} else {
if (!isset($this->pObj->piVars['filter'][$filter['uid']]) && !is_array($this->pObj->piVars['filter'][$filter['uid']])) {
if (is_array($this->pObj->preselectedFilter) && $this->pObj->in_multiarray($option['tag'], $this->pObj->preselectedFilter)) {
$selected = true;
// add preselected filter to piVars
$this->pObj->piVars['filter'][$filter['uid']] = array($option['uid'] => $option['tag']);
}
}
}
}
if ($selected) {
$selectedOptions[] = $option['uid'];
}
}
return $selectedOptions;
}
/**
* change ordering
* f.e. asc to desc and desc to asc
*
* @param string $direction asc or desc
* @return string desc or asc. If you call this function with a not allowed string, exactly this string will be returned. Short: The function do nothing
*/
public function changeOrdering($direction)
{
$allowedDirections = array('asc', 'desc');
$direction = strtolower($direction);
if (TYPO3_VERSION_INTEGER >= 7000000) {
$isInArray = TYPO3\CMS\Core\Utility\GeneralUtility::inArray($allowedDirections, $direction);
} else {
$isInArray = t3lib_div::inArray($allowedDirections, $direction);
}
if (!empty($direction) && $isInArray) {
if ($direction == 'asc') {
$direction = 'desc';
} else {
$direction = 'asc';
}
}
return $direction;
}
