/**
* reorders list with parent and child properly positioned
*
* @param array $rows
* @param int $parentId
* @return array
*/
static public function positionParents( $rows, $parentId = 0 ) {
$parents = $rows;
if ( $parents ) foreach ( $parents as $k => $v ) {
if ( $v->parent != $parentId ) {
unset( $parents[$k] );
}
}
$list = array();
$order = array();
if ( ! empty( $parents ) ) foreach ( $parents as $parent ) {
$list[] = $parent;
$order[] = $parent->id;
$children = $rows;
if ( $children ) foreach ( $children as $k => $v ) {
if ( $v->parent != $parent->id ) {
unset( $children[$k] );
}
}
if ( ! empty( $children ) ) foreach ( $children as $child ) {
$list[] = $child;
$order[] = $child->id;
$sub_children = cbgjData::positionParents( $rows, $child->id );
if ( ! empty( $sub_children ) ) foreach ( $sub_children as $sub_child ) {
$list[] = $sub_child;
$order[] = $sub_child->id;
}
}
}
return $list;
}
