static void Main(string[] args)
{
var sm = new ShapeManager();
var cmdMgr = new CommandManager();
sm.Add(new Rectangle(10, 3, ConsoleColor.Green));
sm.Add(new Circle(5, ConsoleColor.Red));
sm.Add(new Square(8, ConsoleColor.Blue));
var group = new ShapeGroup();
group.Add(new Circle(10));
group.Add(new Rectangle(6, 8, ConsoleColor.Cyan));
sm.Add(group);
var group2 = new ShapeGroup();
group2.Add(new Square(12, ConsoleColor.DarkGray));
group2.Add(new Circle(6));
group.Add(group2);
var rnd = new Random();
bool done = false;
while (!done)
{
int n;
Console.WriteLine();
Console.Write("A=Add, E=Remove, D=Display, M=Move, U=Undo, R=Redo, Q=Quit: ");
switch (Console.ReadLine().ToUpper())
{
case "D":
sm.Display(Console.Out);
break;
case "Q":
done = true;
break;
case "M":
n = GetShapeNumber();
Console.Write("X Offset: ");
int dx = int.Parse(Console.ReadLine());
Console.Write("Y Offset: ");
int dy = int.Parse(Console.ReadLine());
var cmd = new MoveCommand(sm[n], dx, dy);
cmdMgr.Add(cmd);
break;
case "U":
if (!cmdMgr.CanUndo)
{
Console.WriteLine("Cannot undo!");
}
else
{
cmdMgr.Undo();
}
break;
case "R":
if (!cmdMgr.CanRedo)
{
Console.WriteLine("Cannot redo!");
}
else
{
cmdMgr.Redo();
}
break;
case "A":
Shape shape = null;
switch (rnd.Next(3))
{
case 0: shape = new Square(rnd.Next(10) + 5); break;
case 1: shape = new Circle(rnd.Next(10) + 2); break;
case 2: shape = new Rectangle(rnd.Next(10) + 1, rnd.Next(10) + 3); break;
}
cmdMgr.Add(new AddShapeCommand(sm, shape));
break;
case "E":
n = GetShapeNumber();
cmdMgr.Add(new RemoveShapeCommand(sm, sm[n]));
break;
}
}
}