/// <summary>
/// Process the command from the user.
/// </summary>
/// <param name="m">Model which triggered the command</param>
/// <param name="c">Command that was triggered</param>
public virtual void ProcessInputCommand(CalcModel m, Command c)
{
if (commands.ContainsKey(c))
{
commands[c].ProcessCommand(m, c);
}
}
/// <summary>
/// Creates a new Program instance
/// </summary>
/// <param name="model">Model to use to facilitate the interaction between
/// the UI and the logic</param>
public Program(CalcModel model)
{
// The calculator core
Calculator cal = new Calculator();
RegisterCommandProcessors(cal, model);
}
/// <summary>
/// Registers the command processors.
/// </summary>
/// <param name="cal">Calulator the processors are to manipulate.</param>
/// <param name="model">Model for the communication between the UI and logic</param>
private void RegisterCommandProcessors(Calculator cal, CalcModel model)
{
CommandManager manager = new CommandManager(model);
manager.RegisterProcessor(new NumericCommandProcessor(cal));
manager.RegisterProcessor(new OperationCommandProcessor(cal));
manager.RegisterProcessor(new EqualsCommandProcessor(cal));
manager.RegisterProcessor(new ClearCommandProcessor(cal));
}
/// <summary>
/// The entry point of the program, creates the calculator logic and UI
/// and creates the interface between the two halfs.
/// </summary>
public static void Main(string[] args)
{
// The model which is to be shared
CalcModel calcModel = new CalcModel();
Program program = new Program(calcModel);
// Create and display the UI
Application.Init();
MainWindow win = new MainWindow(calcModel);
win.Show();
Application.Run();
}
/// <summary>
/// Creates a new manager for the specified model.
/// </summary>
/// <param name="calcModel">Calculator model from where the commands are
/// to be received.</param>
public CommandManager(CalcModel calcModel)
{
this.calcModel = calcModel;
calcModel.InputCommand += ProcessInputCommand;
}