/// <summary>
/// Shows the menu items and return the user's choice
/// </summary>
/// <returns>string with the user selected option</returns>
public string Show()
{
var tokenizer = new AcceleratorCharTokenizer();
int i = 0;
Keys.Clear();
foreach (var item in Items)
{
if (Options.NumerationStyle == MenuNumeration.AcceleratorKey)
{
Console.WriteLine(tokenizer.Parse(item));
Keys.Add(GetAcceleratorChar(item).ToString());
}
else
{
(string key, IEnumerable <ColorToken> tokens) = ComposeMenuItem(i, item);
Console.WriteLine(tokens);
Keys.Add(key);
}
i++;
}
Console.Ask(BuildMessage());
string value = Console.ReadLine <string>(x => IsDefaultValue(x) || Keys.Contains(x));
return(IsDefaultValue(value) ? Options.DefaultItem : value);
}
public void ParseWithEscapedAcceleratorChar()
{
string text = "Hello world && moon";
var parser = new AcceleratorCharTokenizer();
var tokens = parser.Parse(text);
Assert.Single(tokens);
Assert.Equal(text.Replace("&&", "&"), tokens.First().Text);
}
public void ParseWithNoAcceleratorChar()
{
string text = "Hello world!";
var parser = new AcceleratorCharTokenizer();
var tokens = parser.Parse(text);
Assert.Single(tokens);
Assert.Equal(text, tokens.First().Text);
}
public void ParseAtFirstChar()
{
string text = "&Hello world!";
var parser = new AcceleratorCharTokenizer();
var tokens = parser.Parse(text);
Assert.Collection(tokens,
x => Assert.Equal("H", x.Text),
x => Assert.Equal(text.Substring(2), x.Text)
);
}
public void ParseAtEnd()
{
string text = "Hello &world&";
var parser = new AcceleratorCharTokenizer();
var tokens = parser.Parse(text);
Assert.Collection(tokens,
x => Assert.Equal("Hello ", x.Text),
x => Assert.Equal("w", x.Text),
x => Assert.Equal("orld", x.Text)
);
}
public void AcceleratorCharHasHighlightColor()
{
string text = "Hello &world&";
var parser = new AcceleratorCharTokenizer();
var tokens = parser.Parse(text);
Assert.Equal(3, tokens.Count());
var token = tokens.First();
Assert.Equal(Console.Instance.Colors.ForeColor, token.Color.Foreground);
Assert.Equal(Console.Instance.Colors.BackColor, token.Color.Background);
token = tokens.Skip(1).First();
Assert.Equal(Console.Instance.Colors.HighlightColor, token.Color.Foreground);
Assert.Equal(Console.Instance.Colors.BackColor, token.Color.Background);
}
