public bool GoToState(VisualState state, bool useTransitions)
{
if (state == CurrentState)
{
return(true);
}
string currentStateName = CurrentState != null ? CurrentState.Name : String.Empty;
VisualTransition transition = useTransitions ? GetTransition(Transitions, currentStateName, state.Name) : null;
Storyboard transitionStoryboard = transition != null ? transition.Storyboard : null;
Storyboard storyboard;
if (transitionStoryboard != null && state.Storyboard != null)
{
// create a sequential animation with the transition storyboard first and then the state storyboard
SequentialTimeline sequentialTimeline = new SequentialTimeline();
sequentialTimeline.Children.Add(transitionStoryboard);
sequentialTimeline.Children.Add(state.Storyboard);
storyboard = new Storyboard();
storyboard.Children.Add(sequentialTimeline);
}
else
{
storyboard = transitionStoryboard ?? state.Storyboard;
}
StartNewStoryboard(storyboard);
CurrentState = state;
return(true);
}
public void SequentialTimelineClockStoryboardTest()
{
DoubleAnimation animation1 = new DoubleAnimation {
To = 100, Duration = new Duration(TimeSpan.FromSeconds(1))
};
DoubleAnimation animation2 = new DoubleAnimation {
To = 200, Duration = new Duration(TimeSpan.FromSeconds(0))
};
DoubleAnimation animation3 = new DoubleAnimation {
To = 300, Duration = new Duration(TimeSpan.FromSeconds(1))
};
SequentialTimeline sequentialTimeline = new SequentialTimeline();
sequentialTimeline.Children.Add(animation1);
sequentialTimeline.Children.Add(animation2);
sequentialTimeline.Children.Add(animation3);
Storyboard storyboard = new Storyboard();
storyboard.Children.Add(sequentialTimeline);
FrameworkElement element = new FrameworkElement {
Width = 0, Height = 0
};
Storyboard.SetTarget(animation1, element);
Storyboard.SetTargetProperty(animation1, PropertyPath.FromDependencyProperty(FrameworkElement.WidthProperty));
Storyboard.SetTarget(animation2, element);
Storyboard.SetTargetProperty(animation2, PropertyPath.FromDependencyProperty(FrameworkElement.WidthProperty));
Storyboard.SetTarget(animation3, element);
Storyboard.SetTargetProperty(animation3, PropertyPath.FromDependencyProperty(FrameworkElement.WidthProperty));
TestRootClock rootClock = new TestRootClock();
element.SetAnimatableRootClock(new AnimatableRootClock(rootClock, true));
storyboard.Begin(element);
rootClock.Tick(TimeSpan.FromSeconds(0));
Assert.AreEqual(0, element.Width);
rootClock.Tick(TimeSpan.FromSeconds(0.9));
Assert.AreEqual(90, element.Width);
rootClock.Tick(TimeSpan.FromSeconds(1));
Assert.AreEqual(200, element.Width);
rootClock.Tick(TimeSpan.FromSeconds(1.5));
Assert.AreEqual(250, element.Width);
rootClock.Tick(TimeSpan.FromSeconds(2));
Assert.AreEqual(300, element.Width);
}
public object Load(IContentManager contentManager)
{
Type propertyTimelineType = Type.GetType(PropertyTimelineType);
float inverseDuration = 1.0f / Duration;
//for (int i = 0; i < _keyFrames.Count; i++)
//{
// _keyFrames[i].Time *= inverseDuration;
//}
if (KeyFrames.Count > 1)
{
List <SequentialTimeline> timelines = new List <SequentialTimeline>();
SequentialTimeline sequentialTimeline = new SequentialTimeline();
sequentialTimeline.BeginTime = 0;
sequentialTimeline.EndTime = 1;
sequentialTimeline.Duration = 1;
timelines.Add(sequentialTimeline);
//masterTimeline.Children.Add(sequentialTimeline);
IPropertyTimeline previous = null;
for (int i = 1; i < KeyFrames.Count; i++)
{
//if (_keyFrames[i].FillBehavior == KeyFrameFillBehavior.BeginNewTimeline)
//{
// sequentialTimeline.EndTime = KeyFrames[i].Time;
// sequentialTimeline = new SequentialTimeline();
// sequentialTimeline.BeginTime = KeyFrames[i].Time;
// masterTimeline.Children.Add(sequentialTimeline);
//}
//else
//{
IPropertyTimeline propertyTimeline = (IPropertyTimeline)Activator.CreateInstance(propertyTimelineType);
propertyTimeline.TargetName = TargetName;
propertyTimeline.EasingFunction = KeyFrames[i - 1].EasingFunction;
propertyTimeline.BeginTime = KeyFrames[i - 1].Time * inverseDuration;
propertyTimeline.EndTime = 1;
propertyTimeline.Duration = KeyFrames[i].Time * inverseDuration - propertyTimeline.BeginTime;
propertyTimeline.FillBehavior = (FillBehavior)KeyFrames[i].FillBehavior;
if (previous != null)
{
previous.EndTime = propertyTimeline.BeginTime;
}
propertyTimelineType.GetProperty("From").SetValue(propertyTimeline, KeyFrames[i - 1].Value, null);
propertyTimelineType.GetProperty("To").SetValue(propertyTimeline, KeyFrames[i].Value, null);
sequentialTimeline.Children.Add(propertyTimeline);
//sequentialTimeline.Duration = KeyFrames[i].Time;
previous = propertyTimeline;
//}
}
return(sequentialTimeline);
}
else
{
IPropertyTimeline propertyTimeline = (IPropertyTimeline)Activator.CreateInstance(propertyTimelineType);
propertyTimeline.TargetName = TargetName;
propertyTimeline.BeginTime = 0;
propertyTimeline.EndTime = 1;
propertyTimeline.Duration = 1;
propertyTimeline.EasingFunction = new LinearEase();
if (KeyFrames.Count > 0)
{
propertyTimelineType.GetProperty("From").SetValue(propertyTimeline, KeyFrames[0].Value, null);
propertyTimelineType.GetProperty("To").SetValue(propertyTimeline, KeyFrames[0].Value, null);
}
return(propertyTimeline);
}
}
