protected override void OnKeyDown(KeyRoutedEventArgs e)
{
if (!Interaction.AllowKeyDown(e))
{
return;
}
base.OnKeyDown(e);
if (e.Handled)
{
return;
}
// Some keys (e.g. Left/Right) need to be translated in RightToLeft mode
VirtualKey invariantKey = InteractionHelper.GetLogicalKey(FlowDirection, e.Key);
switch (invariantKey)
{
case VirtualKey.Left:
{
RatingItem ratingItem = FocusManager.GetFocusedElement() as RatingItem;
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, -1);
}
else
{
ratingItem = GetRatingItems().FirstOrDefault();
}
if (ratingItem != null)
{
if (ratingItem.Focus(FocusState.Keyboard))
{
e.Handled = true;
}
}
}
break;
case VirtualKey.Right:
{
RatingItem ratingItem = FocusManager.GetFocusedElement() as RatingItem;
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, 1);
}
else
{
ratingItem = GetRatingItems().FirstOrDefault();
}
if (ratingItem != null)
{
if (ratingItem.Focus(FocusState.Keyboard))
{
e.Handled = true;
}
}
}
break;
case VirtualKey.Add:
{
if (this.IsEnabled)
{
RatingItem ratingItem = GetSelectedRatingItem();
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, 1);
}
else
{
ratingItem = GetRatingItems().FirstOrDefault();
}
if (ratingItem != null)
{
ratingItem.SelectValue();
e.Handled = true;
}
}
}
break;
case VirtualKey.Subtract:
{
if (this.IsEnabled)
{
RatingItem ratingItem = GetSelectedRatingItem();
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, -1);
}
if (ratingItem != null)
{
ratingItem.SelectValue();
e.Handled = true;
}
}
}
break;
}
}
protected override void OnKeyDown(KeyEventArgs e)
{
if (!Interaction.AllowKeyDown(e))
{
return;
}
base.OnKeyDown(e);
if (e.Handled)
{
return;
}
switch (e.Key)
{
case Key.Left:
{
#if SILVERLIGHT
RatingItem ratingItem = FocusManager.GetFocusedElement() as RatingItem;
#else
var ratingItem = FocusManager.GetFocusedElement(Application.Current.MainWindow) as RatingItem;
#endif
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, -1);
}
else
{
ratingItem = GetRatingItems().FirstOrDefault();
}
if (ratingItem != null)
{
if (ratingItem.Focus())
{
e.Handled = true;
}
}
}
break;
case Key.Right:
{
#if SILVERLIGHT
RatingItem ratingItem = FocusManager.GetFocusedElement() as RatingItem;
#else
var ratingItem = FocusManager.GetFocusedElement(Application.Current.MainWindow) as RatingItem;
#endif
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, 1);
}
else
{
ratingItem = GetRatingItems().FirstOrDefault();
}
if (ratingItem != null)
{
if (ratingItem.Focus())
{
e.Handled = true;
}
}
}
break;
case Key.Add:
{
if (!IsReadOnly)
{
RatingItem ratingItem = GetSelectedRatingItem();
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, 1);
}
else
{
ratingItem = GetRatingItems().FirstOrDefault();
}
if (ratingItem != null)
{
ratingItem.SelectValue();
e.Handled = true;
}
}
}
break;
case Key.Subtract:
{
if (!IsReadOnly)
{
RatingItem ratingItem = GetSelectedRatingItem();
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, -1);
}
if (ratingItem != null)
{
ratingItem.SelectValue();
e.Handled = true;
}
}
}
break;
}
}
protected override void OnKeyDown(KeyEventArgs e)
{
if (!Interaction.AllowKeyDown(e))
{
return;
}
base.OnKeyDown(e);
if (e.Handled)
{
return;
}
// The Control key modifier is used to scroll the viewer instead of
// the selection
if (IsControlKeyDown)
{
switch (e.Key)
{
case Key.Home:
case Key.End:
case Key.PageUp:
case Key.PageDown:
case Key.Left:
case Key.Right:
case Key.Up:
case Key.Down:
if (HandleScrollKeys(e.Key))
{
e.Handled = true;
}
break;
}
}
else
{
switch (e.Key)
{
case Key.PageUp:
case Key.PageDown:
if (SelectedContainer != null)
{
if (HandleScrollByPage(e.Key == Key.PageUp))
{
e.Handled = true;
}
break;
}
if (FocusFirstItem())
{
e.Handled = true;
}
break;
case Key.Home:
if (FocusFirstItem())
{
e.Handled = true;
}
break;
case Key.End:
if (FocusLastItem())
{
e.Handled = true;
}
break;
case Key.Up:
case Key.Down:
if (SelectedContainer == null && FocusFirstItem())
{
e.Handled = true;
}
break;
}
}
}
protected override void OnKeyDown(KeyEventArgs e)
{
if (!Interaction.AllowKeyDown(e))
{
return;
}
base.OnKeyDown(e);
if (e.Handled)
{
return;
}
// Some keys (e.g. Left/Right) need to be translated in RightToLeft mode
Key invariantKey = InteractionHelper.GetLogicalKey(FlowDirection, e.Key);
switch (invariantKey)
{
case Key.Left: {
#if SILVERLIGHT
RatingItem ratingItem = FocusManager.GetFocusedElement() as RatingItem;
#else
RatingItem ratingItem = FocusManager.GetFocusedElement(Application.Current.MainWindow) as RatingItem;
#endif
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, -1);
}
else
{
ratingItem = GetRatingItems().FirstOrDefault();
}
if (ratingItem != null)
{
if (ratingItem.Focus())
{
e.Handled = true;
}
}
}
break;
case Key.Right: {
#if SILVERLIGHT
RatingItem ratingItem = FocusManager.GetFocusedElement() as RatingItem;
#else
RatingItem ratingItem = FocusManager.GetFocusedElement(Application.Current.MainWindow) as RatingItem;
#endif
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, 1);
}
else
{
ratingItem = GetRatingItems().FirstOrDefault();
}
if (ratingItem != null)
{
if (ratingItem.Focus())
{
e.Handled = true;
}
}
}
break;
case Key.Add: {
if (!this.IsReadOnly)
{
RatingItem ratingItem = GetSelectedRatingItem();
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, 1);
}
else
{
ratingItem = GetRatingItems().FirstOrDefault();
}
if (ratingItem != null)
{
ratingItem.SelectValue();
e.Handled = true;
}
}
}
break;
case Key.Subtract: {
if (!this.IsReadOnly)
{
RatingItem ratingItem = GetSelectedRatingItem();
if (ratingItem != null)
{
ratingItem = GetRatingItemAtOffsetFrom(ratingItem, -1);
}
if (ratingItem != null)
{
ratingItem.SelectValue();
e.Handled = true;
}
}
}
break;
}
}