protected IMenuOption <IMenuFunc> CreateMenuFuncOption(MenuOptionKey key, string label, Action action,
bool handleException = true,
PostInvokeCommand postInvokeCommand = PostInvokeCommand.StayInSubmenu,
bool waitForKeyPress = true)
{
return(this.CreateMenuFuncOption(key, label, MenuFunc));
PostInvokeCommand MenuFunc()
{
try
{
action();
}
catch (Exception exception)
{
if (!handleException)
{
throw exception;
}
Print.Error("Uh-oh! Something unexpected happened and an exception was thrown.");
if (this.Confirm("Do you want to view the exception?"))
{
Print.Exception(exception, PostPrintOption.PrintNewLineAndWaitForKeyPress);
}
}
return(waitForKeyPress ? this.WaitForKeyPressAndReturn(postInvokeCommand) : postInvokeCommand);
}
}
public void RemoveBy(MenuOptionKey key)
{
if (this._submenuMapper.ContainsKey(key))
{
this._submenuMapper.Remove(key);
}
else
{
this._menuFuncMapper.Remove(key);
}
}
public IInvokable this[MenuOptionKey key]
{
get
{
if (this._submenuMapper.TryGetValue(key, out var value))
{
return(value);
}
return(this._menuFuncMapper[key]);
}
}
private void AddToMapper <T>(MenuOptionKey key, T item) where T : IInvokable, IMenuItem
{
if (this._submenuMapper.ContainsKey(key) || this._menuFuncMapper.ContainsKey(key))
{
throw new InvalidOperationException($"An {nameof(IMenuOption)} is already mapped to that key.");
}
switch (item)
{
case IMenu _:
this._submenuMapper.Add(key, (IMenu)item);
break;
case IMenuFunc _:
this._menuFuncMapper.Add(key, (IMenuFunc)item);
break;
default:
throw new InvalidOperationException($"{typeof(T)} is not a valid type.");
}
}
public MenuOption(MenuOptionKey key, IMenuItem item)
{
this.Key = key;
this.Item = item;
}
public IMenuItem this[MenuOptionKey key] => this._optionses[key] as IMenuItem;
public INonInvokableMenuFunc GetMenuFuncBy(MenuOptionKey key) => this[key] as INonInvokableMenuFunc;
public INonInvokableMenu GetSubmenuBy(MenuOptionKey key) => this[key] as INonInvokableMenu;
protected INonInvokableMenuFunc GetMenuFuncBy(MenuOptionKey key) => this._rootMenu.GetMenuFuncBy(key);
protected INonInvokableMenu GetSubmenuBy(MenuOptionKey key) => this._rootMenu.GetSubmenuBy(key);
protected IMenuOption <IMenuFunc> CreateMenuFuncOption(MenuOptionKey key, string label, Func <PostInvokeCommand> func)
{
return(new MenuOption <IMenuFunc>(key, new MenuFunc(label, func)));
}
protected IMenuOption <IMenu> CreateSubMenuOption(MenuOptionKey key, IMenu menu)
{
return(new MenuOption <IMenu>(key, menu));
}
public static string ToCleanString(this MenuOptionKey key)
{
var keyNumber = (int)key;
return(keyNumber <= 9 ? keyNumber.ToString() : key.ToString());
}
