private void CheckState()
{
foreach (DataStateSwitchCase switchCase in this.States)
{
if (switchCase.IsValid(this.listener.Value))
{
FrameworkElement targetElement = GoToStateBase.FindTargetElement(this.AssociatedObject);
if (targetElement != null)
{
GoToStateBase.GoToState(targetElement, switchCase.State, true);
}
break;
}
}
}
/// <summary>
/// Hooks up to the necessary events on the VSM.
/// </summary>
protected override void OnAttached()
{
base.OnAttached();
#if SILVERLIGHT
this.Dispatcher.BeginInvoke(delegate {
this.vsgs = GoToStateBase.FindVSM(this.AssociatedObject);
foreach (VisualStateGroup vsg in this.vsgs)
{
if (this.Completed)
{
vsg.CurrentStateChanged += this.HandleStateChanged;
}
else
{
vsg.CurrentStateChanging += this.HandleStateChanged;
}
}
});
#else
this.Dispatcher.BeginInvoke(DispatcherPriority.Loaded, (ThreadStart) delegate {
this.vsgs = GoToStateBase.FindVSM(this.AssociatedObject);
foreach (VisualStateGroup vsg in this.vsgs)
{
if (this.Completed)
{
vsg.CurrentStateChanged += this.HandleStateChanged;
}
else
{
vsg.CurrentStateChanging += this.HandleStateChanged;
}
}
});
#endif
}
/// <summary>
/// Goes to the specified state on the targetted VSM.
/// </summary>
/// <param name="targetIndex">index of the state to be activated</param>
/// <param name="useTransitions">True if transitions should be used.</param>
protected void GoToState(int targetIndex, bool useTransitions)
{
FrameworkElement targetElement = this.TargetElement;
if (targetElement == null)
{
return;
}
int index = 0;
foreach (VisualStateGroup vsg in this.TargetVSM)
{
foreach (VisualState state in vsg.States)
{
if (index == targetIndex)
{
GoToStateBase.GoToState(targetElement, state.Name, useTransitions);
break;
}
++index;
}
}
}
