SMART datagrid v.1 > Classes > GridView
If group row is Expanded state, it will hide child rows.
If recursive is true, it will hide all descendant rows. When force is true, even if group row has already been Collapsed, descendant rows will be hidden when recursive is true.
$('#collapse').click(function (ev) {
var row = grid.focusedRow();
if (row instanceof DataLudi.GroupRow) {
grid.collapse(row, $('#recursive').is(':checked'));
}
};