public void AnimateTo(ulong visibleTimeStart, ulong visibleTimeEnd)
{
if (visibleTimeStart < this.axis.AbsoluteTimeStart)
{
visibleTimeStart = this.axis.AbsoluteTimeStart;
}
if (visibleTimeEnd > this.axis.AbsoluteTimeEnd)
{
visibleTimeEnd = this.axis.AbsoluteTimeEnd;
}
if( visibleTimeStart > this.axis.AbsoluteTimeEnd )
{
visibleTimeStart = this.axis.AbsoluteTimeStart;
}
if (!axis.IsAnimationEnabled)
{
Stop();
this.axis.VisibleTimeStart = visibleTimeStart;
this.axis.VisibleTimeEnd = visibleTimeEnd;
return;
}
double acceleration = 0.3;
if (this.observedAnimation != null)
{
this.observedAnimation.Completed -= OnRunningAnimationCompleted;
acceleration = 0d;
}
var startAnim = new UInt64Animation { To = visibleTimeStart, AccelerationRatio = acceleration, DecelerationRatio = 0.4, Duration = TimeSpan.FromMilliseconds(1400) };
var endAnim = new UInt64Animation { To = visibleTimeEnd, AccelerationRatio = acceleration, DecelerationRatio = 0.4, Duration = TimeSpan.FromMilliseconds(1400) };
this.runningAnimation = startAnim;
this.observedAnimation = startAnim;
this.observedAnimation.Completed += OnRunningAnimationCompleted;
this.visibleStartDest = visibleTimeStart;
this.visibleEndDest = visibleTimeEnd;
this.axis.BeginAnimation(TimeAxis.VisibleTimeStartProperty, startAnim);
this.axis.BeginAnimation(TimeAxis.VisibleTimeEndProperty, endAnim);
}
public void Stop()
{
if (this.observedAnimation != null)
{
this.observedAnimation.Completed -= OnRunningAnimationCompleted;
this.observedAnimation = null;
this.runningAnimation = null;
this.axis.BeginAnimation(TimeAxis.VisibleTimeStartProperty, null);
this.axis.BeginAnimation(TimeAxis.VisibleTimeEndProperty, null);
this.axis.VisibleTimeStart = this.visibleStartDest;
this.axis.VisibleTimeEnd = this.visibleEndDest;
}
}