public void SaveMemento()
{
CustomerMemento customerMemento = new
CustomerMemento(this.Name, this.Address, this.City, this.StateProvince, this.PostalCode);
this.customerMementoes.Add(customerMemento);
}
public void SaveMemento()
{
CustomerMemento customerMemento =
new CustomerMemento(Name, Address, City, StateProvince, PostalCode);
_customerMementoes.Add(customerMemento);
}
private void SetPropertyValuesFromMemento(CustomerMemento memento)
{
Name = memento.Name;
Address = memento.Address;
City = memento.City;
StateProvince = memento.StateProvince;
PostalCode = memento.PostalCode;
}
private void SetPropertyValuesFormMemento(CustomerMemento lastMemento)
{
this.Name = lastMemento.Name;
this.Address = lastMemento.Address;
this.City = lastMemento.City;
this.StateProvince = lastMemento.StateProvince;
this.PostalCode = lastMemento.PostalCode;
}
public void ReverToLastValues()
{
CustomerMemento lastMemento = this.customerMementoes.LastOrDefault();
if (lastMemento != null)
{
SetPropertyValuesFormMemento(lastMemento);
}
}
public Customer(int id, string name, string address, string city, string stateProvince, string postalCode)
{
ID = id;
Name = name;
Address = address;
City = city;
StateProvince = stateProvince;
PostalCode = postalCode;
// Save the originally-passed values to the "memento".
_customerMemento = new CustomerMemento(name, address, city, stateProvince, postalCode);
}
public void RevertToLastValues()
{
// Get the last memento, if there is one (there always should be at least one).
CustomerMemento lastMemento = _customerMementoes.LastOrDefault();
// Check for null, just to be safe.
if (null != lastMemento)
{
SetPropertyValuesFromMemento(lastMemento);
// Remove last memento except the first one
if (_customerMementoes.First() != lastMemento)
{
_customerMementoes.Remove(lastMemento);
}
}
}
public void RevertToOriginalValues()
{
// Get the first memento, if there is one (there always should be at least one).
CustomerMemento firstMemento = _customerMementoes.FirstOrDefault();
// Check for null, just to be safe.
if (null != firstMemento)
{
SetPropertyValuesFromMemento(firstMemento);
// Remove all mementoes except the first one
if (_customerMementoes.Count > 1)
{
_customerMementoes.RemoveRange(1, _customerMementoes.Count - 1);
}
}
}
