protected override void OnElementChanged(ElementChangedEventArgs <Entry> e)
{
base.OnElementChanged(e);
if (e.OldElement != null)
{
((INotifyCollectionChanged)blankPicker.Items).CollectionChanged -= RowsCollectionChanged;
}
if (!(e.NewElement is BlankPicker bPicker))
{
return;
}
blankPicker = bPicker;
if (Control != null)
{
Control.SpellCheckingType = UITextSpellCheckingType.No;
Control.AutocorrectionType = UITextAutocorrectionType.No;
Control.AutocapitalizationType = UITextAutocapitalizationType.None;
Control.BorderStyle = UITextBorderStyle.RoundedRect;
Control.AccessibilityTraits = UIAccessibilityTrait.Button;
UIMenuController.SharedMenuController.MenuVisible = false;
Control.EditingDidBegin += OnStarted;
Control.Ended += OnEnded;
Control.EditingChanged += OnEditing;
if (IsiOS9OrNewer)
{
Control.InputAssistantItem.LeadingBarButtonGroups = null;
Control.InputAssistantItem.TrailingBarButtonGroups = null;
}
_picker = new UIPickerView();
Control.InputView = _picker;
_picker.Model = new PickerSource(this);
Control.InputView.AutoresizingMask = UIViewAutoresizing.FlexibleHeight;
SetInputAccessoryView();
UpdatePicker();
SetAttributes();
if (blankPicker.Items is INotifyCollectionChanged Collection)
{
Collection.CollectionChanged += RowsCollectionChanged;
}
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Picker> e)
{
base.OnElementChanged(e);
if (!(e.NewElement is BlankPicker bPicker))
{
return;
}
blankPicker = bPicker;
if (Control == null)
{
SetNativeControl(new UITextField
{
RightViewMode = UITextFieldViewMode.Always,
ClearButtonMode = UITextFieldViewMode.WhileEditing,
});
}
SetUIButtons();
SetPlaceholder();
SetAlignment();
}
protected override void OnElementChanged(ElementChangedEventArgs <Entry> e)
{
base.OnElementChanged(e);
if (!(e.NewElement is BlankPicker bPicker))
{
return;
}
blankPicker = bPicker;
if (e.NewElement != null)
{
if (Control != null)
{
if (!string.IsNullOrEmpty(Control.Text))
{
bPicker.Text = Control.Text;
}
Control.Focusable = true;
Control.Clickable = false;
Control.InputType = InputTypes.Null;
blankPicker.Focused += OnClick;
Control.Text = blankPicker.SelectedItem?.ToString();
Control.KeyListener = null;
//Control.TextChanged += (sender, arg)
// => bPicker.Text = arg.Text.ToString();
SetAttributes();
}
}
if (e.OldElement != null)
{
Control.SetOnClickListener(null);
}
}
protected override void OnElementChanged(ElementChangedEventArgs <Picker> e)
{
if (!(e.NewElement is BlankPicker bPicker))
{
return;
}
blankPicker = bPicker;
if (e.NewElement != null)
{
if (Control == null)
{
var textField = CreateNativeControl();
textField.SetOnClickListener(this);
textField.InputType = InputTypes.Null;
SetNativeControl(textField);
}
}
base.OnElementChanged(e);
SetPlaceholder();
SetAlignment();
Control.SetPadding(0, 7, 0, 3);
Control.Gravity = Android.Views.GravityFlags.Fill;
}