public function draggableviews_hierarchy_handler_native::get_depth in DraggableViews 7.2

File

handlers/draggableviews_hierarchy_handler_native.inc, line 21

Class

draggableviews_hierarchy_handler_native

Code

public function get_depth($field, $index) {

  // $index can be NULL for multiple reasons. Common problem
  // is after parent is deleted.
  if (!isset($index) || !isset($field->view->result[$index])) {
    return;
  }
  $row = $field->view->result[$index];

  // If parent is available, set parent's depth +1.
  return !empty($row->draggableviews_structure_parent) ? $this
    ->get_depth($field, $this
    ->get_index($field->view, $row->draggableviews_structure_parent)) + 1 : 0;
}