public static void Move(FrameworkElement target, Thickness from, Thickness to, double durationMilliseconds, EasingMode easingMode, Action callBack)
{
EasingFunctionBase easeFunction = new PowerEase()
{
EasingMode = easingMode,
Power = EasingPower
};
ThicknessAnimation animation = new ThicknessAnimation()
{
From = from, //起始值
To = to, //结束值
EasingFunction = easeFunction, //缓动函数
Duration = TimeSpan.FromMilliseconds(durationMilliseconds) //动画播放时间
};
if (callBack != null)
{
animation.Completed += (sender, e) =>
{
callBack();
};
}
AnimationClock clock = animation.CreateClock();
target.ApplyAnimationClock(FrameworkElement.MarginProperty, clock);
}
private static void IsPressedChanged(DependencyObject depObj, DependencyPropertyChangedEventArgs args)
{
CurrentRequestsPanel panel = (CurrentRequestsPanel)depObj;
if (!panel.IsPressed && panel.Parent != null)
{
animate = new ThicknessAnimation()
{
From = animationClock != null ? (Thickness)animate.GetCurrentValue(animate.From, animate.To, animationClock) : new Thickness(0, 0, 0, 0),
To = new Thickness(-350, 0, 0, 0),
Duration = TimeSpan.FromSeconds(0.8)
};
animationClock = animate.CreateClock();
animate.Completed += (o, s) => {
if (!panel.IsPressed)
{
RemoveUserControl((Panel)LogicalTreeHelper.GetParent(panel), panel);
}
};
panel.BeginAnimation(MarginProperty, animate);
}
else if (panel.IsPressed && panel.Parent != null)
{
var parent = (Panel)LogicalTreeHelper.GetParent(panel);
List <UserControl> userControls = parent.Children.OfType <UserControl>().ToList();
animate = new ThicknessAnimation()
{
From = animationClock != null ? (Thickness)animate.GetCurrentValue(animate.From, animate.To, animationClock) : userControls.Count == 1 ? new Thickness(-350, 0, 0, 0) : new Thickness(-700, 0, 0, 0),
To = new Thickness(0, 0, 0, 0),
Duration = TimeSpan.FromSeconds(userControls.Count > 1 ? 1 : 0.8)
};
animationClock = animate.CreateClock();
animate.Completed += (o, s) => {
if (userControls.Count > 1)
{
RemoveUserControl(parent, userControls[0]);
}
};
panel.BeginAnimation(MarginProperty, animate);
}
}
/// <summary>
/// Animate the loader canvas from left to right indefinitely,
/// and create its children.
/// </summary>
private void InitializeLoader()
{
for (int i = 0; i < 30; i++)
{
LoaderCanvas.Children.Add(new Line
{
X1 = -(Width + 120) + (35.0 * i),
X2 = -Width + (35.0 * i)
});
}
ThicknessAnimation anim = new ThicknessAnimation(
new Thickness(0, 0, 0, 0),
new Thickness(Width + 20.0, 0, 0, 0),
new Duration(TimeSpan.FromMilliseconds(4000)))
{
AutoReverse = false,
RepeatBehavior = RepeatBehavior.Forever
};
LoaderCanvas.ApplyAnimationClock(MarginProperty, anim.CreateClock());
}