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.SetEndablednessCondition (() => 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 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 ();
}
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");
}
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 ();
// 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 PassiveMode()
{
var m = new CMenu ();
m.Add ("passive", s => {
m.CQ.PassiveMode = true;
Console.WriteLine ("Passive 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 IO queue.");
m.CQ.ImmediateInput ("active");
}).Start ();
});
m.Add ("active", s => {
m.CQ.PassiveMode = false;
Console.WriteLine ("Active mode selected.");
});
Console.WriteLine ("IO is currently in active mode - you will be prompted for input.");
Console.WriteLine ("The 'passive' command will turn passive mode on, which disables interactive input.");
Console.WriteLine ("The 'active' command will turn active mode back on.");
Console.WriteLine ("Please enter 'passive'.");
m.Run ();
}