/// <summary>
/// Handles the Click event of the back control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.RoutedEventArgs" /> instance containing the event data.</param>
private void BackButton_Click(object sender, System.Windows.RoutedEventArgs e)
{
if (OnBackButtonClicked != null)
{
OnBackButtonClicked.Invoke(this, e);
}
}
public StreetGalleryControl()
{
InitializeComponent();
StreetImageListViewModel = new StreetImageListViewModel();
// 左右button的点击事件
LeftButton.Click += (sender, args) => { StreetImageListViewModel.SelectedIndex--; };
RightButton.Click += (sender, args) => { StreetImageListViewModel.SelectedIndex++; };
GalleryBackButtonControl.OnBackButtonClicked += () =>
{
Shown = false;
OnBackButtonClicked?.Invoke();
};
Carousel.SelectionChanged += (sender, arg) =>
{
BackgroundDownImage.Source = StreetImageListViewModel.ImageViewModels[Carousel.SelectedIndex]
.ThumbnailImage;
// 准备动画并播放
var storyboard = new Storyboard();
// 背景切换模糊
storyboard.Children.Add(GetOpacityAnimation(BackgroundUpImage, true));
storyboard.Begin();
storyboard.Completed += (_sender, _e) =>
{
// 设置背景图上层图片
BackgroundUpImage.Source = StreetImageListViewModel.ImageViewModels[Carousel.SelectedIndex]
.ThumbnailImage;
};
};
}
public void Update(GameTime gameTime)
{
touchCollection = TouchPanel.GetState();
while (TouchPanel.IsGestureAvailable)
{
gesture = TouchPanel.ReadGesture();
switch (gesture.GestureType)
{
case GestureType.Flick:
{
if (gesture.Delta.X > 0 && gesture.Delta.Y > 0) //topright
{
if (gesture.Delta.X < gesture.Delta.Y)
{
OnFlickDown?.Invoke(gesture, null);
}
else
{
OnFlickRight?.Invoke(gesture, null);
}
}
else if (gesture.Delta.X > 0 && gesture.Delta.Y < 0) //bottomright
{
if (gesture.Delta.X < -gesture.Delta.Y)
{
OnFlickUp?.Invoke(gesture, null);
}
else
{
OnFlickRight?.Invoke(gesture, null);
}
}
else if (gesture.Delta.X < 0 && gesture.Delta.Y < 0) //bottomleft
{
if (-gesture.Delta.X < -gesture.Delta.Y)
{
OnFlickUp?.Invoke(gesture, null);
}
else
{
OnFlickLeft?.Invoke(gesture, null);
}
}
else if (gesture.Delta.X < 0 && gesture.Delta.Y > 0) //topleft
{
if (-gesture.Delta.X < gesture.Delta.Y)
{
OnFlickDown?.Invoke(gesture, null);
}
else
{
OnFlickLeft?.Invoke(gesture, null);
}
}
break;
}
case GestureType.Tap:
{
if (ScaledResolution != Vector2.Zero)
{
OnTap?.Invoke(new Vector2(gesture.Position.X / TouchPanel.DisplayWidth * ScaledResolution.X, gesture.Position.Y / TouchPanel.DisplayHeight * ScaledResolution.Y), null);
}
break;
}
}
}
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
OnBackButtonClicked?.Invoke(this, null);
}
}
private void BackButton_Click(object sender, EventArgs e)
{
InitializePlayers();
OnBackButtonClicked?.Invoke(this, EventArgs.Empty);
}
public BackButtonControl()
{
InitializeComponent();
BackButton.Click += (sender, args) => { OnBackButtonClicked?.Invoke(); };
}
private void BackButton_Click(object sender, EventArgs e)
{
OnBackButtonClicked?.Invoke(this, EventArgs.Empty);
}