/// <summary>
/// Adds a new undo operation to the stack.
/// </summary>
/// <param name="operation">The operation.</param>
/// <param name="noInsertIfExecutingOperation">Do not insert record if currently running undo/redo.</param>
/// <returns><c>true</c> if undo operation was added to stack; otherwise <c>false</c>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="operation"/> is <c>null</c>.</exception>
public bool Add(IMementoSupport operation, bool noInsertIfExecutingOperation = true)
{
Argument.IsNotNull("operation", operation);
if (!IsEnabled)
{
return(false);
}
if (noInsertIfExecutingOperation && _isUndoingOperation)
{
return(false);
}
lock (_lock)
{
if (_currentBatch != null)
{
_currentBatch.AddAction(operation);
}
else
{
var batch = new Batch();
batch.AddAction(operation);
Add(batch);
}
}
return(true);
}
/// <summary>
/// Adds a new undo operation to the collection.
/// </summary>
/// <param name="operation">The operation to add.</param>
/// <exception cref="ArgumentNullException">The <paramref name="operation"/> is <c>null</c>.</exception>
public void Add(IMementoSupport operation)
{
Argument.IsNotNull("operation", operation);
_undoStack.Add(operation);
CanRedo = _undoStack.All(op => op.CanRedo);
}
/// <summary>
/// Adds the action to the current batch.
/// </summary>
/// <param name="action">The action.</param>
/// <exception cref="ArgumentNullException">The <paramref name="action" /> is <c>null</c>.</exception>
public void AddAction(IMementoSupport action)
{
Argument.IsNotNull("action", action);
_actions.Add(action);
if (IsSingleActionBatch)
{
_canRedo = action.CanRedo;
}
else
{
_canRedo = (_canRedo && action.CanRedo);
}
}
/// <summary>
/// Adds the action to the current batch.
/// </summary>
/// <param name="action">The action.</param>
/// <exception cref="ArgumentNullException">The <paramref name="action" /> is <c>null</c>.</exception>
public void AddAction(IMementoSupport action)
{
Argument.IsNotNull("action", action);
_actions.Add(action);
if (IsSingleActionBatch)
{
_canRedo = action.CanRedo;
}
else
{
_canRedo = (_canRedo && action.CanRedo);
}
}
/// <summary>
/// Adds a new undo operation to the stack.
/// </summary>
/// <param name="operation">The operation.</param>
/// <param name="noInsertIfExecutingOperation">Do not insert record if currently running undo/redo.</param>
/// <returns><c>true</c> if undo operation was added to stack; otherwise <c>false</c>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="operation"/> is <c>null</c>.</exception>
public bool Add(IMementoSupport operation, bool noInsertIfExecutingOperation = true)
{
Argument.IsNotNull("operation", operation);
if (!IsEnabled)
{
return false;
}
if (noInsertIfExecutingOperation && _isUndoingOperation)
{
return false;
}
lock (_lock)
{
if (_currentBatch != null)
{
_currentBatch.AddAction(operation);
}
else
{
var batch = new Batch();
batch.AddAction(operation);
Add(batch);
}
}
return true;
}
public MementoEventArgs(MementoAction mementoAction, IMementoSupport target)
{
MementoAction = mementoAction;
Target = target;
}