private void CreateAnimation(GuidedTourItem item)
{
if (animateGuideStoryboard != null)
{
RemoveAnimation();
}
else
{
animateGuideStoryboard = new Storyboard();
}
double from = 0, to = 0;
DoubleAnimation doubleAnimation = new DoubleAnimation();
IEasingFunction easing = null; // new CircleEase() { EasingMode = EasingMode.EaseOut };
switch (item.Placement)
{
case GuidedTourItem.ItemPlacement.Left:
case GuidedTourItem.ItemPlacement.Right:
to = item.Placement == GuidedTourItem.ItemPlacement.Right ? item.Position.X + ANIMATION_MOVEMENT : item.Position.X - ANIMATION_MOVEMENT;
from = item.Position.X;
Storyboard.SetTargetProperty(doubleAnimation, new PropertyPath("(Canvas.Left)"));
break;
case GuidedTourItem.ItemPlacement.Top:
case GuidedTourItem.ItemPlacement.Bottom:
to = item.Placement == GuidedTourItem.ItemPlacement.Top ? item.Position.Y - ANIMATION_MOVEMENT : item.Position.Y + ANIMATION_MOVEMENT;
from = item.Position.Y;
Storyboard.SetTargetProperty(doubleAnimation, new PropertyPath("(Canvas.Top)"));
break;
}
doubleAnimation.From = from;
doubleAnimation.To = to;
doubleAnimation.Duration = new Duration(new TimeSpan(0, 0, 0, 0, ANIMATION_DURATION));
doubleAnimation.BeginTime = TimeSpan.FromSeconds(0.3);
doubleAnimation.AutoReverse = true;
Storyboard.SetTarget(doubleAnimation, item);
animateGuideStoryboard.Children.Add(doubleAnimation);
doubleAnimation.RepeatBehavior = RepeatBehavior.Forever;
doubleAnimation.EasingFunction = easing;
animateGuideStoryboard.Begin();
}
private void SetGuideItemPosition(GuidedTourItem item)
{
if (!IsLoaded)
{
return;
}
var targetPoint = item.Target.PointToScreen(new Point(0, 0));
var thisPoint = this.PointToScreen(new Point(0, 0));
switch (item.Placement)
{
case GuidedTourItem.ItemPlacement.Left:
item.Position = new Point((targetPoint.X - thisPoint.X) - item.ActualWidth - MARGIN, targetPoint.Y - thisPoint.Y + ((item.Target.ActualHeight / 2) - (item.ActualHeight / 2)));
break;
case GuidedTourItem.ItemPlacement.Right:
item.Position = new Point((targetPoint.X - thisPoint.X) + item.Target.ActualWidth + MARGIN, targetPoint.Y - thisPoint.Y + ((item.Target.ActualHeight / 2) - (item.ActualHeight / 2)));
break;
case GuidedTourItem.ItemPlacement.Bottom:
item.Position = new Point((targetPoint.X - thisPoint.X) + ((item.Target.ActualWidth / 2) - (item.ActualWidth / 2)),
targetPoint.Y - thisPoint.Y + (item.Target.ActualHeight + MARGIN));
break;
case GuidedTourItem.ItemPlacement.Top:
item.Position = new Point((targetPoint.X - thisPoint.X) + ((item.Target.ActualWidth / 2) - (item.ActualWidth / 2)),
targetPoint.Y - thisPoint.Y - (item.ActualHeight + MARGIN));
break;
default:
item.Position = new Point((targetPoint.X - thisPoint.X) + ((item.Target.ActualWidth / 2) - (item.ActualWidth / 2)), targetPoint.Y - thisPoint.Y + ((item.Target.ActualHeight / 2) - (item.ActualHeight / 2)));
break;
}
SetLeft(item, item.Position.X);
SetTop(item, item.Position.Y);
}
/// <summary>
/// Disposes this instance.
/// </summary>
public void Dispose()
{
CurrentItem = null;
RemoveAnimation();
}
