/**
* 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);
//read attributes
foreach ($domainNode->attributes as $attribute) {
switch ($attribute->name) {
case "attname":
$option->setFilteredAttributeName($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;
}
}
$group = NULL;
if (!array_key_exists($option->getFilteredAttributeName(), $this->backTrackHashed)) {
$group = new CancellableOptionGroup();
$group->setFilteredAttributeName($option->getFilteredAttributeName());
$resultObj->addCancellableFiltersGroup($group);
$this->backTrackHashed[$option->getFilteredAttributeName()] = $group;
} else {
$group = $this->backTrackHashed[$option->getFilteredAttributeName()];
}
$group->addFilteringOption($option);
}
}
}