public override void ViewDidLoad()
{
base.ViewDidLoad();
_dataSource = SelectionMenuDataSourceFactory.CreateDataSource(TableView, this, (tableView, item) =>
(SelectionTableViewCell)tableView.DequeueReusableCell(nameof(SelectionTableViewCell)));
_dataSource.Items = _items;
_dataSource.SelectItem(_items[0]);
TableView.DataSource = _dataSource;
TableView.TableFooterView = new UIView();
var searchController = new UISearchController((UIViewController)null);
searchController.ObscuresBackgroundDuringPresentation = false;
searchController.SearchBar.Placeholder = "Search...";
searchController.SearchBar.AutocapitalizationType = UITextAutocapitalizationType.None;
searchController.HidesNavigationBarDuringPresentation = false;
searchController.SearchBar.TextChanged += (sender, args) =>
{
if (args.SearchText.Length >= 2)
{
var query = args.SearchText.ToLowerInvariant();
_dataSource.ApplyFilter(i => i.Name.ToLowerInvariant().Contains(query));
}
else
{
_dataSource.ClearFilter();
}
};
DefinesPresentationContext = true;
NavigationItem.LeftBarButtonItem = new UIBarButtonItem("Close", UIBarButtonItemStyle.Plain,
(sender, args) => SetResult(Array.Empty <SampleItem>()));
NavigationItem.RightBarButtonItem = new UIBarButtonItem(UIBarButtonSystemItem.Done,
(sender, args) => SetResult(_dataSource.SelectedItems));
NavigationItem.SearchController = searchController;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// NavigationController.NavigationBar.BackgroundColor = ColorHelper.FromType(ColorType.Navigationbar);
// NavigationController.NavigationBar.BarTintColor = ColorHelper.FromType(ColorType.Navigationbar);
// NavigationController.NavigationBar.TintColor = ColorHelper.FromType(ColorType.NavigationbarTint);
// NavigationController.NavigationBar.TitleTextAttributes = new UIStringAttributes()
// {
// ForegroundColor = ColorHelper.FromType(ColorType.NavigationbarLabel)
// };
_tableView = new UITableView
{
TranslatesAutoresizingMaskIntoConstraints = false
};
View?.AddSubview(_tableView);
_tableView.RegisterClassForCellReuse(typeof(SelectionTableViewCell2), nameof(SelectionTableViewCell2));
NSLayoutConstraint.ActivateConstraints(new[]
{
_tableView.LeadingAnchor.ConstraintEqualTo(View.LeadingAnchor),
_tableView.TrailingAnchor.ConstraintEqualTo(View.TrailingAnchor),
_tableView.BottomAnchor.ConstraintEqualTo(View.BottomAnchor),
_tableView.TopAnchor.ConstraintEqualTo(View.TopAnchor)
});
_dataSource = SelectionMenuDataSourceFactory.CreateDataSource(_tableView, this, (tableView, item) =>
(SelectionTableViewCell2)tableView.DequeueReusableCell(nameof(SelectionTableViewCell2)));
_dataSource.Items = _items;
if (AllowMultipleSelection && _itemsSelected != null)
{
_dataSource.SelectItems(_itemsSelected);
}
else if (_itemsSelected != null)
{
_dataSource.SelectItem(_itemsSelected[0]);
}
_tableView.DataSource = _dataSource;
_tableView.TableFooterView = new UIView();
var searchController = new UISearchController((UIViewController)null);
NavigationItem.LeftBarButtonItem = new UIBarButtonItem(UIBarButtonSystemItem.Close,
(sender, args) => SetResult(Array.Empty <SampleItem>()));
NavigationItem.RightBarButtonItem = new UIBarButtonItem(UIBarButtonSystemItem.Done,
(sender, args) => SetResult(_dataSource.SelectedItems));
if (AllowFiltering)
{
searchController.ObscuresBackgroundDuringPresentation = false;
searchController.HidesNavigationBarDuringPresentation = false;
if (UIDevice.CurrentDevice.CheckSystemVersion(13, 0))
{
searchController.AutomaticallyShowsCancelButton = false;
}
searchController.SearchBar.Placeholder = "Search ...";
searchController.SearchBar.AutocapitalizationType = UITextAutocapitalizationType.None;
searchController.SearchBar.TextChanged += (sender, args) =>
{
if (args.SearchText.Length >= 1)
{
var query = args.SearchText.ToLowerInvariant();
_dataSource.ApplyFilter(i => i.Name.ToLowerInvariant().Contains(query));
}
else
{
_dataSource.ClearFilter();
}
};
DefinesPresentationContext = true;
NavigationItem.SearchController = searchController;
}
NavigationItem.HidesSearchBarWhenScrolling = false;
}