protected override void OnElementChanged(ElementChangedEventArgs <Picker> e)
{
if (e.OldElement != null)
{
((INotifyCollectionChanged)e.OldElement.Items).CollectionChanged -= RowsCollectionChanged;
}
if (e.NewElement != null)
{
if (Control == null)
{
var entry = new NoCaretField {
BorderStyle = UITextBorderStyle.RoundedRect
};
entry.EditingDidBegin += OnStarted;
entry.EditingDidEnd += OnEnded;
entry.EditingChanged += OnEditing;
_picker = new UIPickerView();
var width = UIScreen.MainScreen.Bounds.Width;
var toolbar = new UIToolbar(new RectangleF(0, 0, width, 44))
{
BarStyle = UIBarStyle.Default, Translucent = true
};
var spacer = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace);
var doneButton = new UIBarButtonItem(UIBarButtonSystemItem.Done, (o, a) =>
{
var s = (PickerSource)_picker.Model;
if (s.SelectedIndex == -1 && Element.Items != null && Element.Items.Count > 0)
{
UpdatePickerSelectedIndex(0);
}
UpdatePickerFromModel(s);
entry.ResignFirstResponder();
});
toolbar.SetItems(new[] { spacer, doneButton }, false);
entry.InputView = _picker;
entry.InputAccessoryView = toolbar;
_defaultTextColor = entry.TextColor;
SetNativeControl(entry);
}
_picker.Model = new PickerSource(this);
UpdateFont();
UpdatePicker();
UpdateTextColor();
((INotifyCollectionChanged)e.NewElement.Items).CollectionChanged += RowsCollectionChanged;
}
base.OnElementChanged(e);
}
protected override void OnElementChanged(ElementChangedEventArgs <DatePicker> e)
{
base.OnElementChanged(e);
if (e.NewElement == null)
{
return;
}
if (Control == null)
{
var entry = new NoCaretField {
BorderStyle = UITextBorderStyle.RoundedRect
};
entry.EditingDidBegin += OnStarted;
entry.EditingDidEnd += OnEnded;
_picker = new UIDatePicker {
Mode = UIDatePickerMode.Date, TimeZone = new NSTimeZone("UTC")
};
_picker.ValueChanged += HandleValueChanged;
var width = UIScreen.MainScreen.Bounds.Width;
var toolbar = new UIToolbar(new RectangleF(0, 0, width, 44))
{
BarStyle = UIBarStyle.Default, Translucent = true
};
var spacer = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace);
var doneButton = new UIBarButtonItem(UIBarButtonSystemItem.Done, (o, a) => entry.ResignFirstResponder());
toolbar.SetItems(new[] { spacer, doneButton }, false);
entry.InputView = _picker;
entry.InputAccessoryView = toolbar;
entry.InputView.AutoresizingMask = UIViewAutoresizing.FlexibleHeight;
entry.InputAccessoryView.AutoresizingMask = UIViewAutoresizing.FlexibleHeight;
entry.InputAssistantItem.LeadingBarButtonGroups = null;
entry.InputAssistantItem.TrailingBarButtonGroups = null;
_defaultTextColor = entry.TextColor;
_useLegacyColorManagement = e.NewElement.UseLegacyColorManagement();
SetNativeControl(entry);
}
UpdateDateFromModel(false);
UpdateFont();
UpdateMaximumDate();
UpdateMinimumDate();
UpdateTextColor();
UpdateFlowDirection();
}
protected override void OnElementChanged(ElementChangedEventArgs <DatePicker> e)
{
base.OnElementChanged(e);
if (e.OldElement == null)
{
var entry = new NoCaretField {
BorderStyle = UITextBorderStyle.RoundedRect
};
entry.Started += OnStarted;
entry.Ended += OnEnded;
_picker = new UIDatePicker {
Mode = UIDatePickerMode.Date, TimeZone = new NSTimeZone("UTC")
};
_picker.ValueChanged += HandleValueChanged;
var width = UIScreen.MainScreen.Bounds.Width;
var toolbar = new UIToolbar(new RectangleF(0, 0, width, 44))
{
BarStyle = UIBarStyle.Default, Translucent = true
};
var spacer = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace);
var doneButton = new UIBarButtonItem(UIBarButtonSystemItem.Done, (o, a) => entry.ResignFirstResponder());
toolbar.SetItems(new[] { spacer, doneButton }, false);
entry.InputView = _picker;
entry.InputAccessoryView = toolbar;
_defaultTextColor = entry.TextColor;
SetNativeControl(entry);
}
if (e.NewElement != null)
{
UpdateDateFromModel(false);
UpdateMaximumDate();
UpdateMinimumDate();
UpdateTextColor();
}
}
