private void ScrollTo_Clicked(object sender, EventArgs e)
{
VirtualizedItemsControl.ScrollToAsync(source[500], this.nextScrollToPosition, true);
var previousScrollToPosition = this.nextScrollToPosition;
switch (this.nextScrollToPosition)
{
case ScrollToPosition.MakeVisible:
this.nextScrollToPosition = ScrollToPosition.Start;
break;
case ScrollToPosition.Start:
this.nextScrollToPosition = ScrollToPosition.Center;
break;
case ScrollToPosition.Center:
this.nextScrollToPosition = ScrollToPosition.End;
break;
case ScrollToPosition.End:
this.nextScrollToPosition = ScrollToPosition.MakeVisible;
break;
default:
break;
}
SummaryLabel.Text = $"Scroll to element at index 500 with scroll position : {previousScrollToPosition} (new scroll position wil be {this.nextScrollToPosition})";
}
protected override void Render(DateTime date)
{
base.Margin = new Windows.UI.Xaml.Thickness(1.5);
base.RowDefinitions.Add(new Windows.UI.Xaml.Controls.RowDefinition()
{
Height = new GridLength(HEADER_HEIGHT)
});
base.RowDefinitions.Add(new Windows.UI.Xaml.Controls.RowDefinition()
{
Height = new GridLength(1, GridUnitType.Star)
});
base.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = GridLength.Auto
});
base.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(1, GridUnitType.Star)
});
// Holiday background
_holidayOverlay = new Rectangle()
{
Fill = new SolidColorBrush(Colors.Red),
Opacity = 0.2,
Visibility = Visibility.Collapsed
};
Grid.SetRowSpan(_holidayOverlay, 2);
Grid.SetColumnSpan(_holidayOverlay, 2);
base.Children.Add(_holidayOverlay);
// Day number
_textBlock = new TextBlock()
{
Text = date.Day.ToString(),
FontSize = 18,
VerticalAlignment = VerticalAlignment.Center,
Margin = new Thickness(13, 0, 10, 2),
FontWeight = FontWeights.ExtraLight
};
base.Children.Add(_textBlock);
// Holiday label
_holidayLabel = new TextBlock()
{
Text = "Holiday", // No need to localize, it will use the name of the holiday
FontSize = 12,
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top,
Margin = new Thickness(0, 10, 0, 0),
FontWeight = FontWeights.ExtraLight,
Visibility = Visibility.Collapsed
};
Grid.SetColumn(_holidayLabel, 1);
base.Children.Add(_holidayLabel);
// Add button
_addButton = new Button()
{
Width = HEADER_HEIGHT,
Height = HEADER_HEIGHT,
Style = App.Current.Resources["TransparentButtonStyle"] as Style,
Content = new SymbolIcon(Symbol.Add)
{
RenderTransform = new ScaleTransform()
{
CenterX = 0.4,
CenterY = 0.4
},
RenderTransformOrigin = new Windows.Foundation.Point(0.5, 0.5)
},
HorizontalAlignment = HorizontalAlignment.Right,
Opacity = 0
};
_addButton.Tapped += _addButton_Tapped;
Grid.SetColumn(_addButton, 1);
base.Children.Add(_addButton);
// Task and event items
_itemsControl = new VirtualizedItemsControl()
{
ItemTemplate = (DataTemplate)App.Current.Resources["MainCalendarItemTemplate"]
};
Grid.SetRow(_itemsControl, 1);
Grid.SetColumnSpan(_itemsControl, 2);
base.Children.Add(_itemsControl);
}
