/// <summary>
/// Performs an undo operation
/// </summary>
public void Undo()
{
try
{
_undoGoingOn = true;
if (_undoStack.Count == 0)
{
throw new InvalidOperationException("Nothing in the undo stack");
}
IUndoRedoRecord oUndoData = _undoStack.Pop();
Type undoDataType = oUndoData.GetType();
///If the stored operation was a transaction, perform the undo as a transaction too.
if (typeof(UndoTransaction).Equals(undoDataType))
{
StartTransaction(oUndoData as UndoTransaction);
}
undoDataType.InvokeMember("Execute", BindingFlags.InvokeMethod, null, oUndoData, null);
}
catch (Exception ex)
{
Trace.TraceError(ex.Message);
}
finally
{
_undoGoingOn = false;
EndTransaction(_curTran);
FireUndoStackStatusChanged();
}
}
public static IUndoRedoRecord Pop(this List <IUndoRedoRecord> list)
{
IUndoRedoRecord ret = list[0];
list.RemoveAt(0);
return(ret);
}
/// <summary>
/// Adds the undo redo operation.
/// </summary>
/// <param name="operation">The operation.</param>
public void AddUndoRedoOperation(IUndoRedoRecord operation)
{
if (this.isFifo)
{
this.undoRedoOperationsQueue.Enqueue(operation);
}
else
{
this.undoRedoOperationsStack.Push(operation);
}
}
/// <summary>
/// Executes the operation saved in the collections.
/// </summary>
public void Execute()
{
if (this.isFifo)
{
while (this.undoRedoOperationsQueue.Count > 0)
{
IUndoRedoRecord currentRecord = this.undoRedoOperationsQueue.Dequeue();
currentRecord.Execute();
}
}
else
{
while (this.undoRedoOperationsStack.Count > 0)
{
IUndoRedoRecord currentRecord = this.undoRedoOperationsStack.Pop();
currentRecord.Execute();
}
}
}
/// <summary>
/// Pushes the specified list.
/// </summary>
/// <param name="list">The list.</param>
/// <param name="item">The item.</param>
public static void Push(this List<IUndoRedoRecord> list, IUndoRedoRecord item)
{
list.Insert(0, item);
}
public void AddUndoRedoOperation(IUndoRedoRecord operation)
{
_undoRedoOperations.Insert(0, operation);
}
public static void Push(this List <IUndoRedoRecord> list, IUndoRedoRecord item)
{
list.Insert(0, item);
}
public void AddUndoRedoOperation(IUndoRedoRecord operation)
{
m_UndoRedoOperations.Push(operation);
}
public void AddUndoRedoOperation(IUndoRedoRecord operation)
{
_undoRedoOperations.Insert(0, operation);
}
/// <summary>
/// Adds the undo redo operation.
/// </summary>
/// <param name="operation">The operation.</param>
public void AddUndoRedoOperation(IUndoRedoRecord operation)
{
if (this.isFifo)
{
this.undoRedoOperationsQueue.Enqueue(operation);
}
else
{
this.undoRedoOperationsStack.Push(operation);
}
}
