public override UIView GetViewForHeader(UITableView tableView, nint section)
{
var headerCell = InitCell <TVHeader>(CellIdentifierHeader, tableView);
var sec = (int)section;
var modelHeader = Items.ElementAtOrDefault(sec);
OnBindHeader(headerCell, modelHeader, ItemExpandedState.ElementAtOrDefault(sec), sec);
headerCell.ClickableViewForExpansion.OnClick(() =>
{
ParentRowClicked?.Invoke(tableView, new RowParentClickEventArgs <TItem>((int)section, modelHeader));
if (ItemExpandedState.ElementAtOrDefault(sec))
{
CollapseItem(sec);
}
else
{
ExpandItem(sec);
}
});
if (_listHeaderCells.ContainsKey(sec))
{
_listHeaderCells[sec] = headerCell as IExpandable;
}
else
{
_listHeaderCells.Add(sec, headerCell as IExpandable);
}
return(headerCell.ContentView);
}
public override nint RowsInSection(UITableView tableview, nint section)
{
if (!ItemExpandedState.ElementAtOrDefault((int)section))
{
return(0);
}
return(Items.ElementAtOrDefault((int)section)?.SubExpandItems?.Count ?? 0);
}
