/**
* Возвращает список категорий в XML
* @param \DOMNode $node
* @param bool|null $visible
* @param int|null $selected
* @return bool
*/
public static function getCategoriesListXML($node, $visible = null, $selected = null)
{
$list = \Difra\Plugins\Catalog\Category::getList($visible);
if (empty($list)) {
return false;
}
$selectedList = [];
$cont = true;
while ($selected and $cont) {
$cont = false;
foreach ($list as $cat) {
if ($cat->getId() == $selected) {
$selectedList[] = $selected;
$selected = $cat->getParent();
$cont = true;
break;
}
}
}
foreach ($list as $cat) {
/** @var \DOMElement $catNode */
$catNode = $node->appendChild($node->ownerDocument->createElement('category'));
$cat->getXML($catNode);
if (!empty($selectedList) and in_array($cat->getId(), $selectedList)) {
$catNode->setAttribute('selected', '1');
}
}
return true;
}
