/**
  * Renders a link for given header and sortingFields
  *
  * @param Tx_PtExtlist_Domain_Model_List_Header_HeaderColumn $header
  * @param array $fieldAndDirection List of fields and direction for which we want to generate sorting link {field: fieldName, direction: sortingDirection}
  * @param string $action Rendered link for sorting action
  * @param int $pageUid target page. See TypoLink destination
  * @param int $pageType type of the target page. See typolink.parameter
  * @param bool $noCache set this to disable caching for the target page. You should not need this.
  * @param bool $noCacheHash set this to supress the cHash query parameter created by TypoLink. You should not need this.
  * @param string $section the anchor to be added to the URI
  * @param string $format The requested format, e.g. ".html
  * @param bool $linkAccessRestrictedPages If set, links pointing to access restricted pages will still link to the page even though the page cannot be accessed.
  * @param array $additionalParams additional query parameters that won't be prefixed like $arguments (overrule $arguments)
  * @param bool $absolute If set, the URI of the rendered link is absolute
  * @param bool $addQueryString If set, the current query parameters will be kept in the URI
  * @param array $argumentsToBeExcludedFromQueryString arguments to be removed from the URI. Only active if $addQueryString = TRUE
  * @param string $addQueryStringMethod Set which parameters will be kept. Only active if $addQueryString = TRUE
  * @return string Rendered link
  */
 public function render(Tx_PtExtlist_Domain_Model_List_Header_HeaderColumn $header, array $fieldAndDirection, $action = 'sort', $pageUid = null, $pageType = 0, $noCache = false, $noCacheHash = false, $section = '', $format = '', $linkAccessRestrictedPages = false, array $additionalParams = array(), $absolute = false, $addQueryString = false, array $argumentsToBeExcludedFromQueryString = array(), $addQueryStringMethod = null)
 {
     $sortingFieldParams = array();
     $sortingDirection = Tx_PtExtlist_Domain_QueryObject_Query::invertSortingState($fieldAndDirection['currentDirection']);
     $sortingFieldParams[] = $fieldAndDirection['field'] . ':' . $sortingDirection;
     # echo "current direction for field " . $fieldAndDirection['field'] . " = " . $fieldAndDirection['currentDirection'] . " link direction = " . $sortingDirection;
     $sortingFieldParam = implode(';', $sortingFieldParams);
     $gpArrayViewHelper = new Tx_PtExtlist_ViewHelpers_Namespace_GPArrayViewHelper();
     $argumentArray = $gpArrayViewHelper->buildObjectValueArray($header, 'sortingFields', $sortingFieldParam);
     $this->sessionPersistenceManagerBuilder->getInstance()->addSessionRelatedArguments($argumentArray);
     return parent::render($action, $argumentArray, null, null, null, $pageUid, $pageType, $noCache, $noCacheHash, $section, $format, $linkAccessRestrictedPages, $additionalParams, $absolute, $addQueryString, $argumentsToBeExcludedFromQueryString, $addQueryStringMethod);
 }
 /**
  * Renders a link for given header
  *
  * @param Tx_PtExtlist_Domain_Model_List_Header_HeaderColumn $header
  * @param string $action Rendered link for sorting action
  * @param int $pageUid
  * @param int $pageType
  * @param bool $noCache
  * @param bool $noCacheHash
  * @param string $section
  * @param string $format
  * @param bool $linkAccessRestrictedPages
  * @param array $additionalParams
  * @param bool $absolute
  * @param bool $addQueryString
  * @param array $argumentsToBeExcludedFromQueryString
  * @param string $addQueryStringMethod Set which parameters will be kept. Only active if $addQueryString = TRUE
  * @return string
  */
 public function render(Tx_PtExtlist_Domain_Model_List_Header_HeaderColumn $header, $action = 'sort', $pageUid = NULL, $pageType = 0, $noCache = FALSE, $noCacheHash = FALSE, $section = '', $format = '', $linkAccessRestrictedPages = FALSE, array $additionalParams = array(), $absolute = FALSE, $addQueryString = FALSE, array $argumentsToBeExcludedFromQueryString = array(), $addQueryStringMethod = NULL)
 {
     $sortingFieldParams = array();
     // We generate sorting parameters for every sorting field configured for this column
     foreach ($header->getColumnConfig()->getSortingConfig() as $sortingFieldConfig) {
         /* @var $sortingFieldConfig Tx_PtExtlist_Domain_Configuration_Columns_SortingConfig */
         $newSortingDirection = $header->getSortingDirectionForField($sortingFieldConfig->getField()) != 0 ? Tx_PtExtlist_Domain_QueryObject_Query::invertSortingState($header->getSortingDirectionForField($sortingFieldConfig->getField())) : $sortingFieldConfig->getDirection();
         $sortingFieldParams[] = $sortingFieldConfig->getField() . ':' . $newSortingDirection;
     }
     $sortingFieldParam = implode(';', $sortingFieldParams);
     // We set sortingDirectionParameter for children of this viewHelper
     $this->templateVariableContainer->add('sortingDirection', $this->getSortingDirectionForHeader($header));
     #echo "Sorting field param for " . $header->getColumnConfig()->getColumnIdentifier() . " = " . $sortingFieldParam . "<br>";
     #echo "Sorting direction for " . $header->getColumnConfig()->getColumnIdentifier() . " = ". $this->getSortingDirectionForHeader($header) . "<br>";
     $gpArrayViewHelper = new Tx_PtExtlist_ViewHelpers_Namespace_GPArrayViewHelper();
     $argumentArray = $gpArrayViewHelper->buildObjectValueArray($header, 'sortingFields', $sortingFieldParam);
     $this->sessionPersistenceManagerBuilder->getInstance()->addSessionRelatedArguments($argumentArray);
     $output = parent::render($action, $argumentArray, NULL, NULL, NULL, $pageUid, $pageType, $noCache, $noCacheHash, $section, $format, $linkAccessRestrictedPages, $additionalParams, $absolute, $addQueryString, $argumentsToBeExcludedFromQueryString, $addQueryStringMethod);
     $this->templateVariableContainer->remove('sortingDirection');
     return $output;
 }