private static void OnAnimateToChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var progressBar = d as ProgressBar;
if (progressBar.Value == (double)e.NewValue)
{
return;
}
AnimationUtils.BeginAnimation(progressBar, ProgressBar.ValueProperty, (double)e.NewValue, GetAnimationDuration(progressBar), GetAnimationEase(progressBar));
}
private void BeginArrangeAnimation()
{
BeginAnimation(PercentProperty, null);
foreach (UIElement child in InternalChildren)
{
var currentOffset = GetCurrentOffset(child);
if (!double.IsNaN(currentOffset))
{
SetLastOffset(child, GetCurrentOffset(child));
}
}
var animation = new DoubleAnimation()
{
From = 0,
To = 100,
Duration = AnimationDuration,
EasingFunction = AnimationUtils.CreateEasingFunction(AnimationEase),
};
BeginAnimation(PercentProperty, animation);
}
private void UpdateChildren(bool useAnimation)
{
var targetX = (CurrentIndex - 1) * DesiredSize.Width;
var targetY = (CurrentIndex - 1) * DesiredSize.Height;
var targetPositionOffset = new Rect(targetX, targetY, 0, 0);
if (!IsLoaded || !useAnimation || AnimationDuration.TotalMilliseconds == 0)
{
PositionOffset = targetPositionOffset;
}
else
{
var animation = new RectAnimation()
{
To = targetPositionOffset,
Duration = AnimationDuration,
EasingFunction = AnimationUtils.CreateEasingFunction(AnimationEase),
};
BeginAnimation(PositionOffsetProperty, animation);
}
}
private static void OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var drawer = d as Drawer;
switch (drawer.Placement)
{
case DrawerPlacement.Left:
case DrawerPlacement.Right:
if (double.IsNaN(drawer.MaxWidth))
{
throw new Exception("Drawer Exception : value of MaxWidth property can not be Auto.");
}
if (!drawer.IsLoaded || drawer.AnimationDuration.TotalMilliseconds == 0)
{
if ((bool)e.NewValue)
{
drawer.Width = drawer.MaxWidth;
}
else
{
drawer.Width = 0;
}
}
else
{
if ((bool)e.NewValue)
{
if (double.IsNaN(drawer.Width))
{
drawer.Width = drawer.ActualWidth;
}
AnimationUtils.BeginAnimation(drawer, WidthProperty, drawer.MaxWidth, drawer.AnimationDuration, drawer.AnimationEase);
}
else
{
if (double.IsNaN(drawer.Width))
{
drawer.Width = drawer.ActualWidth;
}
AnimationUtils.BeginAnimation(drawer, WidthProperty, 0, drawer.AnimationDuration, drawer.AnimationEase);
}
}
break;
case DrawerPlacement.Top:
case DrawerPlacement.Bottom:
if (double.IsNaN(drawer.MaxWidth))
{
throw new Exception("Drawer Exception : value of MaxHeight property can not be Auto.");
}
if (!drawer.IsLoaded || drawer.AnimationDuration.TotalMilliseconds == 0)
{
if ((bool)e.NewValue)
{
drawer.Height = drawer.MaxHeight;
}
else
{
drawer.Height = 0;
}
}
else
{
if ((bool)e.NewValue)
{
if (double.IsNaN(drawer.Height))
{
drawer.Height = drawer.ActualHeight;
}
AnimationUtils.BeginAnimation(drawer, HeightProperty, drawer.MaxHeight, drawer.AnimationDuration, drawer.AnimationEase);
}
else
{
if (double.IsNaN(drawer.Height))
{
drawer.Height = drawer.ActualHeight;
}
AnimationUtils.BeginAnimation(drawer, HeightProperty, 0, drawer.AnimationDuration, drawer.AnimationEase);
}
}
break;
}
}
