private void ShiftButtons(ShootModeInfo info, string targetShootMode)
{
if (info == null)
{
return;
}
var selectedIndex = FindCandidateIndex(info?.ShootModeCapability, targetShootMode);
int currentIndex = 0;
foreach (var i in info.ShootModeCapability.Candidates)
{
var button = Buttons.Children[currentIndex] as EllipseButton;
var scale = i == targetShootMode ? 1.0 : 0.6;
double newX = (currentIndex - selectedIndex) * 50;
if (newX < 0)
{
newX -= 30;
}
else if (newX > 0)
{
newX += 30;
}
var story = AnimationHelper.CreateMoveAndResizeAnimation(new MoveAndResizeAnimation()
{
Target = button,
Duration = TimeSpan.FromMilliseconds(300),
newX = newX,
newScaleX = scale,
newScaleY = scale,
});
if (currentIndex == 0)
{
story.Completed += Story_Completed;
}
story.Begin();
currentIndex++;
}
}
/// <summary>
/// Clear all buttons and create new buttons.
/// </summary>
/// <param name="info"></param>
void UpdateCandidates(ShootModeInfo info)
{
if (info == null)
{
return;
}
var targetShootMode = info.ShootModeCapability.Current;
var selectedIndex = FindCandidateIndex(info.ShootModeCapability, targetShootMode);
int currentIndex = 0;
Buttons.Children.Clear();
foreach (var i in info.ShootModeCapability.Candidates)
{
var scale = i == targetShootMode ? 1.0 : 0.6;
double newX = (currentIndex - selectedIndex) * 50;
if (newX < 0)
{
newX -= 30;
}
else if (newX > 0)
{
newX += 30;
}
EllipseButton button = null;
if (selectedIndex == currentIndex)
{
if (CurrentModeButtonTemplate != null)
{
button = CreateBaseButton(CurrentModeButtonTemplate, scale);
}
else
{
button = CreateBaseButton(CurrentModeButtonImage, scale);
}
}
else
{
if (info.IconTemplates?.ContainsKey(i) ?? false)
{
button = CreateBaseButton(info.IconTemplates[i], scale);
}
else if (info.Icons?.ContainsKey(i) ?? false)
{
button = CreateBaseButton(info.Icons[i], scale);
}
}
if (button != null)
{
Buttons.Children.Add(button);
(button.RenderTransform as CompositeTransform).TranslateX = newX;
}
currentIndex++;
}
}