public bool ArrowScroll(FocusSearchDirection direction)
{
var currentFocused = FindFocus();
var handled = false;
var nextFocused = FocusFinder.Instance.FindNextFocus(this, currentFocused == this ? null : currentFocused, direction);
if (nextFocused != null && nextFocused != currentFocused)
{
if (direction == FocusSearchDirection.Left)
handled = nextFocused.RequestFocus();
else if (direction == FocusSearchDirection.Right)
{
if (currentFocused != null && nextFocused.Left <= currentFocused.Left)
handled = PageRight();
else
handled = nextFocused.RequestFocus();
}
}
else if (direction == FocusSearchDirection.Left || direction == FocusSearchDirection.Backward)
handled = PageLeft();
else if (direction == FocusSearchDirection.Right || direction == FocusSearchDirection.Forward)
handled = PageRight();
if (handled)
PlaySoundEffect(SoundEffectConstants.GetContantForFocusDirection(direction));
return handled;
}
public bool ArrowScroll(FocusSearchDirection direction)
{
View currentFocused = FindFocus();
if (currentFocused == this)
{
currentFocused = null;
}
bool handled = false;
View nextFocused = FocusFinder.Instance.FindNextFocus(this, currentFocused, direction);
if (nextFocused != null && nextFocused != currentFocused)
{
if (direction == FocusSearchDirection.Left)
{
handled = nextFocused.RequestFocus();
}
else if (direction == FocusSearchDirection.Right)
{
// If there is nothing to the right, or this is causing us to
// jump to the left, then what we really want to do is page right.
if (currentFocused != null && nextFocused.Left <= currentFocused.Left)
{
handled = PageRight();
}
else
{
handled = nextFocused.RequestFocus();
}
}
}
else if (direction == FocusSearchDirection.Left || direction == FocusSearchDirection.Backward)
{
// Trying to move left and nothing there; try to page.
handled = PageLeft();
}
else if (direction == FocusSearchDirection.Right || direction == FocusSearchDirection.Forward)
{
// Trying to move right and nothing there; try to page.
handled = PageRight();
}
if (handled)
{
PlaySoundEffect(SoundEffectConstants.GetContantForFocusDirection(direction));
}
return(handled);
}