private void RadialController_RotationChanged(RadialController sender,
RadialControllerRotationChangedEventArgs args)
{
RadioButton[] inkingTools = { FillCellButton, PenButton, PencilButton, EraserButton };
Action[] inkingActions =
{
OnFillCellButtonClicked,
OnPenButtonClicked,
OnPencilButtonClicked,
OnEraserButtonClicked
};
if (CurrentRadialSelection == ColoringBookRadialController.InkingTool)
{
SelectedToolIndex = (4 + SelectedToolIndex +
(args.RotationDeltaInDegrees > 0 ? 1 : -1)) % 4;
inkingActions[SelectedToolIndex]();
inkingTools[SelectedToolIndex].IsChecked = true;
inkingTools[SelectedToolIndex].Focus(FocusState.Keyboard);
}
else if (CurrentRadialSelection == ColoringBookRadialController.StrokeSize)
{
if (SelectedToolIndex == 1 || SelectedToolIndex == 2)
{
var flyout = FlyoutBase.GetAttachedFlyout(inkingTools[SelectedToolIndex]);
flyout.ShowAt(inkingTools[SelectedToolIndex] as FrameworkElement);
Slider slider = (SelectedToolIndex == 1) ?
PenStrokeWidthSlider : PencilStrokeWidthSlider;
slider.Focus(FocusState.Keyboard);
int val = (int)args.RotationDeltaInDegrees;
int newVal = ((int)slider.Value) + (val > 0 ? 1 : -1);
newVal = (newVal > 24) ? 24 : newVal;
newVal = (newVal < 0) ? 0 : newVal;
slider.Value = newVal;
}
}
else if (CurrentRadialSelection == ColoringBookRadialController.StrokeSizeDialClick)
{
Slider slider = (SelectedToolIndex == 1) ? PenStrokeWidthSlider : PencilStrokeWidthSlider;
slider.Focus(FocusState.Keyboard);
int val = (int)args.RotationDeltaInDegrees;
int newVal = ((int)slider.Value) + (val > 0 ? 1 : -1);
newVal = (newVal > 24) ? 24 : newVal;
newVal = (newVal < 0) ? 0 : newVal;
slider.Value = newVal;
}
else if (CurrentRadialSelection == ColoringBookRadialController.EraserTool)
{
if ((args.RotationDeltaInDegrees > 0) && (DrawingTool == DrawingTool.Eraser))
{
EraserFlyoutList.SelectedIndex = 1;
CellEraseListItem.Focus(FocusState.Keyboard);
}
else if ((args.RotationDeltaInDegrees < 0) && (DrawingTool == DrawingTool.EraseCell))
{
EraserFlyoutList.SelectedIndex = 0;
StrokeEraseListItem.Focus(FocusState.Keyboard);
}
}
}
private void DialInvokedEraserFlyout_Opened(object sender, object e)
{
// Now set focus on selected erasing tool.
if (DrawingTool == DrawingTool.Eraser)
{
StrokeEraseListItem.Focus(FocusState.Keyboard);
}
else
{
CellEraseListItem.Focus(FocusState.Keyboard);
}
(sender as FlyoutBase).Opened -= DialInvokedEraserFlyout_Opened;
}
