/**
* @see SampleInterface::list_required_sub_items()
* @param integer $parent_pos_id
* @return array
*/
public function list_required_sub_items($parent_pos_id)
{
if ($this->sample_id and $this->sample and is_numeric($parent_pos_id)) {
$sample_template = new SampleTemplate($this->sample->get_template_id());
$requirements_array = $sample_template->get_requirements();
$return_array = array();
$counter = 0;
$sub_item_counter = 0;
$in_item = false;
if (is_array($requirements_array) and count($requirements_array) >= 1) {
foreach ($requirements_array as $key => $value) {
if ($value['xml_element'] == "item" and !$value['close']) {
$in_item = true;
if ($value['pos_id']) {
$pos_id = $value['pos_id'];
} else {
$pos_id = $counter;
}
if ($value['inherit'] == "all" and $pos_id == $parent_pos_id) {
return array(0 => "all");
}
}
if ($value['xml_element'] == "item" and $value['close'] == "1") {
$counter++;
$in_item = false;
}
// ITEMI
if ($value['xml_element'] == "itemi" and !$value['close']) {
if ($in_item == true) {
if (is_numeric($value['pos_id'])) {
$pos_id = $value['pos_id'];
} else {
$pos_id = $sub_item_counter;
}
if (!in_array($pos_id, $return_array)) {
array_push($return_array, $pos_id);
}
$sub_item_counter++;
}
}
}
}
return $return_array;
} else {
return null;
}
}
