static void Main(string[] args)
{
// Setup context in a state
Printer c = new Printer(new StateReady());
// Complete print job
c.Print();
c.Print();
c.Print();
c.Print();
c = new Printer(new StateReady());
// Cancel after start
c.Print();
c.Cancel();
c = new Printer(new StateReady());
// Cancel in printing
c.Print();
c.Print();
c.Cancel();
// Wait for user
Console.Read();
}
public override void Handle(Printer context)
{
Console.WriteLine("Printing ...");
context.State = new StatePrintEnd();
}
public override void Cancel(Printer context)
{
Console.WriteLine("Canceling ...");
context.State = new StatePrintEnd();
}
public override void Handle(Printer context)
{
Console.WriteLine("Print Ended \n");
context.State = new StateReady();
}
public abstract void Handle(Printer context);
public virtual void Cancel(Printer context)
{
}
public override void Handle(Printer context)
{
Console.WriteLine("Print Started");
context.State = new StatePrintStart();
}
public override void Handle(Printer context)
{
Console.WriteLine("Ready to print");
context.State = new StatePrinting();
}