static void Main(string[] args)
{
var invoker = new Invoker();
var calculator = new Calculator();
var command1 = new CalculatorCommand(calculator, CalculatorCommand.Operation.Add, 10);
var command2 = new CalculatorCommand(calculator, CalculatorCommand.Operation.Multiply, 5);
var command3 = new CalculatorCommand(calculator, CalculatorCommand.Operation.Subtract, 5);
var command4 = new CalculatorCommand(calculator, CalculatorCommand.Operation.Divide, 5);
invoker.Command = command1;
invoker.Invoke();
invoker.Command = command2;
invoker.Invoke();
invoker.Command = command3;
invoker.Invoke();
invoker.Undo();
invoker.Command = command4;
invoker.Invoke();
Console.WriteLine($"Result is : {calculator.Value}");
}
public void Compute(char @operator, int operand)
{
Command command = new CalculatorCommand(this.calculator, @operator, operand);
command.Execute();
this.commands.Add(command);
this.current++;
}
public void Compute(char @operator, int operand)
{
var command = new CalculatorCommand(_calculator, @operator, operand);
command.Execute();
_commands.Add(command);
_current++;
}
public void Compute(char @operator, int operand)
{
// Create command operation and execute it
Command command = new CalculatorCommand(_calculator, @operator, operand);
command.Execute();
_commands.Add(command);
_commandsCount++;
}
public void Compute(char @operator, int operand)
{
Command command = new CalculatorCommand(this.calculator, @operator, operand);
command.Execute();
this.commands.Add(command);
this.current++;
}
public void Compute(char @operator, int operand)
{
// create the command and execute it
var command = new CalculatorCommand(@operator, operand, _calculator);
command.Execute();
// Add operation to the cancel list
_commandHistory.Add(command);
_current++;
}
public void Compute(char @operator, int operand)
{
// Create command opearation and execue it
Command command = new CalculatorCommand(_calculator, @operator, operand);
command.Execute();
//Add command to undo list
_commands.Add(command);
_current++;
}
public void Compute(char @operator, int operand)
{
// Create command operation and execute it
Command command = new CalculatorCommand(
_calculator, @operator, operand);
command.Execute();
// Add command to undo list
_commands.Add(command);
_current++;
}
/// <summary>
/// The compute.
/// </summary>
/// <param name="operator">
/// The operator.
/// </param>
/// <param name="operand">
/// The operand.
/// </param>
public void Compute(char @operator, int operand)
{
// Create command operation and execute it
AnAbstractCommand command = new CalculatorCommand(
this.Calculator, @operator, operand);
command.Execute();
// Add command to undo list
this.Commands.Add(command);
this.Current++;
}
public void Compute(char @operator, int operand)
{
Command command = new CalculatorCommand(
_calculator, @operator, operand);
command.Execute();
if (_current < _commands.Count)
{
_commands.RemoveRange(_current, _commands.Count - _current);
}
_commands.Add(command);
_current++;
}
public void Compute(char @operator, int operand)
{
// Create command operation and execute it
Command command = new CalculatorCommand(
_calculator, @operator, operand);
command.Execute();
//fix the redo list bug
if (_commands.Count > _current)
{
_commands.RemoveRange(_current, _commands.Count - _current);
}
// Add command to undo list
_commands.Add(command);
_current++;
}
public void Compute(char @operator, int operand)
{
// Создаем команду операции и выполняем её
Command command = new CalculatorCommand(
_calculator, @operator, operand);
command.Execute();
if (_current < _commands.Count)
{
// если "внутри undo" мы запускаем новую операцию,
// надо обрубать список команд, следующих после текущей,
// иначе undo/redo будут некорректны
_commands.RemoveRange(_current, _commands.Count - _current);
}
// Добавляем операцию к списку отмены
_commands.Add(command);
_current++;
}
public void Compute(char @operator, int operand)
{
// Создаем команду операции и выполняем её
Command command = new CalculatorCommand(
_calculator, @operator, operand);
command.Execute();
if (_current < _commands.Count)
{
// если "внутри undo" мы запускаем новую операцию,
// надо обрубать список команд, следующих после текущей,
// иначе undo/redo будут некорректны
_commands.RemoveRange(_current, _commands.Count - _current);
}
// Добавляем операцию к списку отмены
_commands.Add(command);
_current++;
}
