public bool ReadCommand()
{
this.RefreshDisplay();
this.ShowMenu();
var keyChar = Logger.ReadKey(true);
var selectedMenuItem = menu.SingleOrDefault(item => item.MatchesKey(keyChar));
if (selectedMenuItem == null)
{
menuSelectionHandler = new InvalidMenuSelectionHandler();
return(true);
}
if (selectedMenuItem.IsTerminalCommand)
{
return(false);
}
menuSelectionHandler = new ValidMenuSelectionHandler(
selectedMenuItem.Command,
viewLocator,
Render);
return(true);
}
public UserInterface(ViewLocator viewLocator)
{
menuSelectionHandler = new EmptyMenuSelectionHandler();
this.viewLocator = viewLocator;
this.menu = new[]
{
MenuItem.CreateNonTerminal(
"Get Intrument by Id",
'I',
new GetInstrumentCommand(),
() => true),
MenuItem.CreateNonTerminal(
"Get Position by Id",
'P',
new GetPositionCommand(),
() => true),
MenuItem.CreateTerminal("Quit", 'Q')
};
}