/// <summary>
/// This method is invoked when the pointer enters the rating item.
/// </summary>
/// <param name="e">Information about the event.</param>
protected override void OnPointerEntered(PointerRoutedEventArgs e)
{
if (_interactionHelper.AllowPointerEnter(e))
{
_interactionHelper.UpdateVisualStateBase(true);
}
base.OnPointerEntered(e);
}
/// <summary>
/// This method is invoked when the mouse enters the rating item.
/// </summary>
/// <param name="e">Information about the event.</param>
protected override void OnMouseEnter(MouseEventArgs e)
{
if (_interactionHelper.AllowMouseEnter(e))
{
_interactionHelper.UpdateVisualStateBase(true);
}
base.OnMouseEnter(e);
}
/// <summary>
/// Change to the correct visual state for the repeatbutton.
/// </summary>
internal void UpdateVisualState(bool useTransitions)
{
// all states are managed by the default InteractionHelper
Interaction.UpdateVisualStateBase(useTransitions);
if (ElementFocusVisual != null)
{
ElementFocusVisual.Visibility = (IsFocused && IsEnabled) ?
Visibility.Visible : Visibility.Collapsed;
}
}
/// <summary>
/// Update the current visual state of the button.
/// </summary>
/// <param name="useTransitions">
/// True to use transitions when updating the visual state, false to
/// snap directly to the new visual state.
/// </param>
internal virtual void UpdateVisualState(bool useTransitions)
{
if (IsLocked)
{
VisualStates.GoToState(this, useTransitions, VisualStates.StateLocked);
}
else
{
VisualStates.GoToState(this, useTransitions, VisualStates.StateUnlocked);
}
switch (ExpandDirection)
{
case ExpandDirection.Down:
VisualStates.GoToState(this, useTransitions, VisualStates.StateExpandDown);
break;
case ExpandDirection.Up:
VisualStates.GoToState(this, useTransitions, VisualStates.StateExpandUp);
break;
case ExpandDirection.Left:
VisualStates.GoToState(this, useTransitions, VisualStates.StateExpandLeft);
break;
default:
VisualStates.GoToState(this, useTransitions, VisualStates.StateExpandRight);
break;
}
// let the header know a change has possibly occured.
if (ExpanderButton != null)
{
ExpanderButton.UpdateVisualState(useTransitions);
}
// Handle the Common and Focused states
_interaction.UpdateVisualStateBase(useTransitions);
}
/// <summary>
/// Change to the correct visual state for the thumb.
/// </summary>
internal void UpdateVisualState(bool useTransitions)
{
// all states are managed by the default InteractionHelper
Interaction.UpdateVisualStateBase(useTransitions);
}
