/// <summary>
/// Initializes a new instance of the <see cref="CommandViewItem" /> class.
/// </summary>
/// <param name="commandItemBase">The command item.</param>
/// <param name="commandViewFactory">The command view factory.</param>
/// <param name="commandView">The command view.</param>
public CommandViewItem(ICommandItemBase commandItemBase, ICommandViewFactory commandViewFactory, CommandView commandView)
{
this.commandViewFactory = commandViewFactory;
this.commandItemBase = commandItemBase;
this.commandView = commandView;
if (this.commandItemBase != null)
{
this.commandItemBase.CommandItemChanged += this.CommandItemOnCommandItemChanged;
}
}
public object CreateView(ICommandViewFactory commandViewFactory)
{
if (ViewType == null)
{
return(null);
}
object view = commandViewFactory.Create(ViewType);
if (view == null)
{
throw new InvalidCommandException();
}
return(view);
}
/// <summary>
/// Registers the command view factory.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="handler">The handler.</param>
public static void RegisterCommandViewFactory(Type key, ICommandViewFactory handler)
{
if (handler == null)
{
throw new ArgumentNullException(@"handler");
}
lock (CommandViewFactories)
{
if (CommandViewFactories.ContainsKey(key))
{
CommandViewFactories.Remove(key);
}
CommandViewFactories.Add(key, handler);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandView" /> class.
/// </summary>
/// <param name="scope">The scope of the command view. This is the type which defines the concrete command view.</param>
/// <param name="commandProvider">The command provider.</param>
/// <param name="commandViewFactory">The command view factory.</param>
public CommandView(object scope, ICommandProvider commandProvider, ICommandViewFactory commandViewFactory)
{
if (commandProvider == null)
{
throw new ArgumentNullException(@"commandProvider");
}
this.scope = scope;
this.commandProvider = commandProvider;
this.commandViewFactory = commandViewFactory;
if (this.commandProvider != null)
{
this.commandProvider.CommandAdded += this.CommandProviderOnCommandAdded;
this.commandProvider.CommandChanged += this.CommandProviderOnCommandChanged;
this.commandProvider.CommandRemoved += this.CommandProviderOnCommandRemoved;
}
foreach (var commandProviderItem in commandProvider.Commands)
{
this.commandViewFactory.AddProviderCommand(commandProviderItem, this);
}
}
public CommandMiddleware(CommandPool commandPool, ICommandModelFactory commandModelFactory, ICommandViewFactory commandViewFactory)
{
this.commandPool = commandPool ?? throw new ArgumentNullException(nameof(commandPool));
this.commandModelFactory = commandModelFactory ?? throw new ArgumentNullException(nameof(commandModelFactory));
this.commandViewFactory = commandViewFactory ?? throw new ArgumentNullException(nameof(commandViewFactory));
}
