/// <summary>
/// Unregisters a global handler.
/// </summary>
/// <param name='handler'>
/// The handler.
/// </param>
public void UnregisterGlobalHandler (object handler)
{
globalHandlerChain = CommandTargetChain.RemoveTarget (globalHandlerChain, handler);
}
public static CommandTargetChain AddTarget (CommandTargetChain chain, object target)
{
if (chain == null)
return new CommandTargetChain (target);
else {
chain.Next = AddTarget (chain.Next, target);
return chain;
}
}
/// <summary>
/// Registers a global command handler.
/// </summary>
/// <param name='handler'>
/// The handler
/// </param>
/// <remarks>
/// Global command handler are added to the end of the command route.
/// </remarks>
public void RegisterGlobalHandler (object handler)
{
globalHandlerChain = CommandTargetChain.AddTarget (globalHandlerChain, handler);
}
public static CommandTargetChain RemoveTarget (CommandTargetChain chain, object target)
{
if (chain == null)
return null;
if (chain.target == target)
return chain.Next;
else if (chain.Next != null)
chain.Next = CommandTargetChain.RemoveTarget (chain.Next, target);
return chain;
}
