/**
* Reads a backtrackoptions element and adds the content to the result object.
* @param DOMNode $backTrackOptionsNode the node being inspected
* @param GetSearchPageRecommendationResult $resultObj the result object to fill
*/
private function readBackTrackOptions(DOMNode $backTrackOptionsNode, GetSearchPageRecommendationResult $resultObj)
{
foreach ($backTrackOptionsNode->childNodes as $domainNode) {
if ($domainNode->nodeName == "backtrackoption") {
$option = new CancellableOption();
$option->setTextValue($domainNode->textContent);
$groupFilteredName = '';
$groupMultiSelection = false;
//read attributes
foreach ($domainNode->attributes as $attribute) {
switch ($attribute->name) {
case "attname":
$groupFilteredName = $attribute->value;
break;
case "searchRefiningOptions":
$option->setSearchRefiningOption($attribute->value);
break;
case "discreteVal":
$option->setDiscreteValue($attribute->value);
break;
case "minVal":
$option->setRangeValueMin($attribute->value);
break;
case "maxVal":
$option->setRangeValueMax($attribute->value);
break;
case "multiplevaluesselection":
if ($attribute->value == "true") {
$groupMultiSelection = true;
}
break;
}
}
$group = NULL;
if (!array_key_exists($groupFilteredName, $this->backTrackHashed)) {
$group = new CancellableOptionGroup();
$group->setFilteredAttributeName($groupFilteredName);
$group->setMultiSelect($groupMultiSelection);
$resultObj->addCancellableFiltersGroup($group);
$this->backTrackHashed[$groupFilteredName] = $group;
} else {
$group = $this->backTrackHashed[$groupFilteredName];
}
$group->addFilteringOption($option);
}
}
}