public void UpdateTableViewData()
{
var sorted = SortingAlgorithm(Text, _items);
if (!sorted.Any())
{
HideAutoCompleteView();
return;
}
AutoCompleteViewSource.Suggestions = sorted;
AutoCompleteTableView.ReloadData();
var f = AutoCompleteTableView.Frame;
var height = Math.Min(AutocompleteTableViewHeight, (int)AutoCompleteTableView.ContentSize.Height);
var frame = new CGRect(f.X, f.Y, f.Width, height);
AutoCompleteTableView.Frame = frame;
_background.Frame = frame;
}
public void Draw(UIViewController viewController, CALayer layer, UIScrollView scrollView, nfloat y)
{
_scrollView = scrollView;
_drawnFrame = layer.Frame;
_parentViewController = viewController ?? throw new ArgumentNullException(nameof(viewController), "View cannot be null");
//Make new tableview and do some settings
AutoCompleteTableView = new AutoCompleteTableView(_scrollView)
{
DelaysContentTouches = true,
ClipsToBounds = true,
ScrollEnabled = true,
AllowsSelection = true,
Bounces = false,
Hidden = true,
ContentInset = UIEdgeInsets.Zero,
AutoresizingMask = UIViewAutoresizing.FlexibleHeight | UIViewAutoresizing.FlexibleWidth,
Source = AutoCompleteViewSource,
TableFooterView = new UIView()
};
//Some textfield settings
AutocorrectionType = UITextAutocorrectionType.No;
ClearButtonMode = UITextFieldViewMode.Never;
var scrollViewIsNull = _scrollView == null;
CGRect frame;
UIView view;
if (scrollViewIsNull)
{
view = _parentViewController.View;
frame = new CGRect(_drawnFrame.X, y + _drawnFrame.Height, _drawnFrame.Width, AutocompleteTableViewHeight);
}
else
{
var e = (ScrollView)((ScrollViewRenderer)_scrollView).Element;
var p = e.Padding;
var m = e.Margin;
frame = new CGRect(_drawnFrame.X + p.Left + m.Left,
y + _drawnFrame.Height,
_drawnFrame.Width,
AutocompleteTableViewHeight);
view = _scrollView;
}
AutoCompleteTableView.Layer.CornerRadius = 5;
_background = new UIView(frame)
{
BackgroundColor = UIColor.White, Hidden = true
};
_background.Layer.CornerRadius = 5; //rounded corners
_background.Layer.MasksToBounds = false;
_background.Layer.ShadowColor = UIColor.Black.CGColor;
_background.Layer.ShadowOffset = new CGSize(0.0f, 4.0f);
_background.Layer.ShadowOpacity = 0.25f;
_background.Layer.ShadowRadius = 8f;
_background.Layer.BorderColor = UIColor.LightGray.CGColor;
_background.Layer.BorderWidth = 0.1f;
AutoCompleteTableView.Frame = frame;
view.AddSubview(_background);
view.AddSubview(AutoCompleteTableView);
//listen to edit events
EditingChanged += OnEditingChanged;
EditingDidEnd += OnEditingDidEnd;
UpdateTableViewData();
IsInitialized = true;
}
