public void SetsValuesCorrectly()
{
var obj = new Mocks.MockModel();
var tag = "MyTag";
var service = new MementoService();
var observer = new ObjectObserver(obj, tag, service);
Assert.AreEqual(tag, observer.Tag);
}
public void CorrectlyIgnoresDuplicatePropertyChangesWithEqualValues()
{
var obj = new Mocks.MockModel();
var service = new MementoService();
var observer = new ObjectObserver(obj, mementoService: service);
Assert.AreEqual(0, service.UndoBatches.Count());
obj.Value = "A";
Assert.AreEqual(1, service.UndoBatches.Count());
obj.Value = "A";
Assert.AreEqual(1, service.UndoBatches.Count());
}
/// <summary>
/// Registers the object and automatically watches the object. As soon as the <see cref="INotifyPropertyChanged.PropertyChanged"/> event
/// occurs, it will automatically create a backup of the property to support undo.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="tag">The tag.</param>
/// <exception cref="ArgumentNullException">The <paramref name="instance"/> is <c>null</c>.</exception>
public void RegisterObject(INotifyPropertyChanged instance, object tag = null)
{
Argument.IsNotNull("instance", instance);
Log.Debug("Registering object of type '{0}' with tag '{1}'", instance.GetType().Name, TagHelper.ToString(tag));
if (!_observers.ContainsKey(instance))
{
_observers[instance] = new ObjectObserver(instance, tag, this);
Log.Debug("Registered object");
}
else
{
Log.Debug("Object already registered, not registered");
}
}
/// <summary>
/// Registers the object and automatically watches the object. As soon as the <see cref="INotifyPropertyChanged.PropertyChanged"/> event
/// occurs, it will automatically create a backup of the property to support undo.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="tag">The tag.</param>
/// <exception cref="ArgumentNullException">The <paramref name="instance"/> is <c>null</c>.</exception>
public void RegisterObject(INotifyPropertyChanged instance, object tag = null)
{
Argument.IsNotNull("instance", instance);
Log.Debug("Registering object of type '{0}' with tag '{1}'", instance.GetType().Name, TagHelper.ToString(tag));
if (!_observers.ContainsKey(instance))
{
_observers[instance] = new ObjectObserver(instance, tag, this);
Log.Debug("Registered object");
}
else
{
Log.Debug("Object already registered, not registered");
}
}