static void PromptlessMode()
{
var m = new CMenu();
m.Add("promptless", s => {
m.CQ.PromptUserForInput = false;
Console.WriteLine("Promptless mode selected. Input will be ignored.");
Console.WriteLine("A timer will be set which will input 'active' in 5 seconds.");
new Thread(() => {
for (int i = 5; i >= 0; i--)
{
Console.WriteLine(i + "...");
Thread.Sleep(1000);
}
Console.WriteLine("Sending input 'active' to the command queue.");
m.CQ.ImmediateInput("active");
}).Start();
});
m.Add("active", s => {
m.CQ.PromptUserForInput = true;
Console.WriteLine("Prompting mode selected again.");
});
Console.WriteLine("IO is currently in active mode - you will be prompted for input.");
Console.WriteLine("The 'promptless' command will turn on promptless mode, which disables interactive input.");
Console.WriteLine("The 'active' command will turn active mode back on.");
Console.WriteLine("Please enter 'promptless' (or 'p').");
m.Run();
}
static void DisabledCommands()
{
var m = new CMenu();
/*
* In this example, a global flag is used to determine the visibility of disabled commands.
* It is initially cleared, the 'enable' command sets it.
*/
Enabled = false;
m.Add("enable", s => Enabled = true);
/*
* Create a new inline command, then set its enabledness function so it returns the above flag.
*/
var mi = m.Add("inline", s => Console.WriteLine("Disabled inline command was enabled!"));
mi.SetEnablednessCondition(() => Enabled);
/*
* Command abbreviations do not change when hidden items become visible, i.e. it is made sure they are already long
* enough. This avoids confusion about abbreviations suddenly changing.
*/
m.Add("incollision", s => Console.WriteLine("The abbreviation of 'incollision' is longer to account for the hidden 'inline' command."));
/*
* It is also possible to override the visibility by subclassing.
*/
m.Add(new DisabledItem());
m.Run();
}
static void ImmediateMode()
{
var m = new CMenu();
m.ImmediateMenuMode = true;
m.Add("foo", s => Console.WriteLine("foo"));
m.Add("bar", s => Console.WriteLine("bar"));
m.Run();
}
public void Run()
{
var menu = new CMenu();
menu.Add("view", (name) => RenderSystem(name));
menu.Run();
Console.WriteLine(">>>> DONE");
}
private void CaseSensitivity()
{
/*
* Commands are case *in*sensitive by default. This can be changed using the `StringComparison` property.
*/
menu.StringComparison = StringComparison.InvariantCulture;
menu.Add("Hello", s => Console.WriteLine("Hi!"));
Console.WriteLine("The menu is now case sensitive.");
menu.Run();
}
static void Main(string[] args)
{
Console.WriteLine("Simple CMenu demonstration");
var mainmenu = new CMenu();
mainmenu.PromptCharacter = "main>";
mainmenu.Add("tutorial", s => new Tutorial().Run());
mainmenu.Add("tree-init", s => TreeInitialization());
mainmenu.Add("disabled", s => DisabledCommands());
mainmenu.Add("passive", s => PassiveMode());
mainmenu.Add("immediate", s => ImmediateMode());
mainmenu.Add(new ExamplesMenu());
mainmenu.CQ.ImmediateInput("help");
mainmenu.Run();
}
private void Basics()
{
// Create menu
menu = new CMenu();
// Let's specify a custom prompt so we later clearly know we're in the tutorial menu.
menu.PromptCharacter = "tutorial>";
// Add simple Hello World command
menu.Add("hello", s => Console.WriteLine("Hello world!"));
/*
* If the command happens to be more complex, you can just put it in a separate method.
*/
menu.Add("len", s => PrintLen(s));
/*
* It is also possible to return an exit code to signal that processing should be stopped.
* By default, the command "quit" exists for this purpose. Let's add an alternative way to stop processing input.
*/
menu.Add("exit", s => menu.Quit());
/*
* To create a command with help text, simply add it during definition.
*/
menu.Add("time",
s => Console.WriteLine(DateTime.UtcNow),
"Help for \"time\": Writes the current time");
/*
* You can also access individual commands to edit them later, though this is rarely required.
*/
menu["time"].HelpText += " (UTC).";
// Run menu. The menu will run until quit by the user.
Console.WriteLine("Enter \"help\" for help.");
Console.WriteLine("Enter \"quit\" to quit (in this case, the next step of this demo will be started).");
menu.Run();
Console.WriteLine("(First menu example completed, starting the next one...)");
}
static void TreeInitialization()
{
/*
* It may be useful to create complex menu trees using collection initializers
*/
var m = new CMenu()
{
new CMenuItem("1")
{
new CMenuItem("1", s => Console.WriteLine("1-1")),
new CMenuItem("2", s => Console.WriteLine("1-2")),
},
new CMenuItem("2")
{
new CMenuItem("1", s => Console.WriteLine("2-1")),
new CMenuItem("2", s => Console.WriteLine("2-2")),
},
};
m.PromptCharacter = "tree>";
m.Run();
/*
* You can also combine object and collection initializers
*/
m = new CMenu()
{
PromptCharacter = "combined>",
MenuItem =
{
new CMenuItem("1", s => Console.WriteLine("1")),
new CMenuItem("2", s => Console.WriteLine("2")),
}
};
m.Run();
}
public static void ExecuteSubMenu(CMenu menu)
{
menu.Run();
}
public void Run()
{
menu.Run();
}
