private static void StatePropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs args)
{
DDObject sender = (DDObject)d;
DDManipulationState oldValue = (DDManipulationState)args.OldValue;
sender.OnManipulationStateChanged(oldValue);
}
protected override void OnManipulationStateChanged(DDManipulationState oldState)
{
base.OnManipulationStateChanged(oldState);
foreach (DDNode node in Nodes)
{
if (node is DDNodeWithHandles)
{
switch (ManipulationState)
{
case DDManipulationState.Normal:
(node as DDNodeWithHandles).ShowPointHandle = false;
(node as DDNodeWithHandles).ShowControlHandles = false;
break;
case DDManipulationState.Edited:
(node as DDNodeWithHandles).ShowPointHandle = true;
(node as DDNodeWithHandles).ShowControlHandles = true;
break;
}
}
}
}
protected virtual void OnManipulationStateChanged(DDManipulationState oldState)
{
OnPropertyChanged("State");
}
