private void OnPanGestureDetected(object source, PanGestureDetector.DetectedEventArgs e)
{
if (e.PanGesture.State == Gesture.StateType.Started)
{
if (direction == DirectionType.Horizontal)
{
currentSlidedOffset = slidedTrackImage.SizeWidth;
}
else if (direction == DirectionType.Vertical)
{
currentSlidedOffset = slidedTrackImage.SizeHeight;
}
if (null != sliderSlidingStartedHandler)
{
SliderSlidingStartedEventArgs args = new SliderSlidingStartedEventArgs();
args.CurrentValue = curValue;
sliderSlidingStartedHandler(this, args);
}
UpdateState(isFocused, true);
}
if (e.PanGesture.State == Gesture.StateType.Continuing || e.PanGesture.State == Gesture.StateType.Started)
{
if (direction == DirectionType.Horizontal)
{
CalculateCurrentValueByGesture(e.PanGesture.Displacement.X);
}
else if (direction == DirectionType.Vertical)
{
CalculateCurrentValueByGesture(-e.PanGesture.Displacement.Y);
}
UpdateValue();
}
if (e.PanGesture.State == Gesture.StateType.Finished)
{
if (null != slidingFinishedHandler)
{
SlidingFinishedArgs args = new SlidingFinishedArgs();
args.CurrentValue = curValue;
slidingFinishedHandler(this, args);
}
if (null != sliderSlidingFinishedHandler)
{
SliderSlidingFinishedEventArgs args = new SliderSlidingFinishedEventArgs();
args.CurrentValue = curValue;
sliderSlidingFinishedHandler(this, args);
}
UpdateState(isFocused, false);
}
}
private bool OnTouchEventForBgTrack(object source, TouchEventArgs e)
{
PointStateType state = e.Touch.GetState(0);
if (state == PointStateType.Down)
{
Vector2 pos = e.Touch.GetLocalPosition(0);
CalculateCurrentValueByTouch(pos);
UpdateValue();
if (null != slidingFinishedHandler)
{
SlidingFinishedArgs args = new SlidingFinishedArgs();
args.CurrentValue = curValue;
slidingFinishedHandler(this, args);
}
}
return(false);
}
