public void Undo()
{
if (this.undostack.Count > 0)
{
IUndoableOperation undoableOperation = (IUndoableOperation)this.undostack.Pop();
this.redostack.Push(undoableOperation);
undoableOperation.Undo();
this.OnActionUndone();
}
}
/// <summary>
/// Call this method to undo the last operation on the stack
/// </summary>
public void Undo()
{
if (undostack.Count > 0)
{
IUndoableOperation uedit = (IUndoableOperation)undostack.Pop();
redostack.Push(uedit);
uedit.Undo();
OnActionUndone();
}
}
public void Undo()
{
this.AssertNoUndoGroupOpen();
if (this.undostack.Count > 0)
{
IUndoableOperation undoableOperation = this.undostack.Pop();
this.redostack.Push(undoableOperation);
undoableOperation.Undo();
this.OnActionUndone();
}
}
/// <summary>
/// Undoes the last operation.
/// </summary>
public void Undo()
{
AssertNoUndoGroupOpen();
if (undostack.Count > 0)
{
IUndoableOperation uedit = undostack.Pop();
redostack.Push(uedit);
uedit.Undo();
OnActionUndone();
}
}
internal void RunUndo(IUndoableOperation op)
{
if (op is IUndoableOperationWithContext opWithCtx)
{
opWithCtx.Undo(this);
}
else
{
op.Undo();
}
}
internal void RunUndo(IUndoableOperation op)
{
IUndoableOperationWithContext opWithCtx = op as IUndoableOperationWithContext;
if (opWithCtx != null)
{
opWithCtx.Undo(this);
}
else
{
op.Undo();
}
}
/// <summary>
/// Call this method to undo the last operation on the stack
/// </summary>
public void Undo()
{
if (undoGroupDepth != 0)
{
throw new InvalidOperationException("cannot perform Undo/Redo while undo group is open");
}
if (undostack.Count > 0)
{
IUndoableOperation uedit = (IUndoableOperation)undostack.Pop();
redostack.Push(uedit);
uedit.Undo();
OnActionUndone();
}
}
/// <summary>
/// Call this method to undo the last operation on the stack
/// </summary>
public void Undo()
{
while (undoGroupDepth != 0) // SSM 24.08.18 - грязный хак в попытке исправления ошибки с Ctrl-Z
{
EndUndoGroup();
}
if (undoGroupDepth != 0)
{
throw new InvalidOperationException("cannot perform Undo/Redo while undo group is open");
}
if (undostack.Count > 0)
{
IUndoableOperation uedit = (IUndoableOperation)undostack.Pop();
redostack.Push(uedit);
uedit.Undo();
OnActionUndone();
}
}
/// <summary>
/// Call this method to undo the last operation on the stack
/// </summary>
public void Undo()
{
VerifyNoUndoGroupOpen();
if (undostack.Count > 0)
{
lastGroupDescriptor = null;
acceptChanges = false;
IUndoableOperation uedit = undostack.Pop();
redostack.Push(uedit);
uedit.Undo();
acceptChanges = true;
if (undostack.Count == 0)
{
NotifyPropertyChanged("CanUndo");
}
if (redostack.Count == 1)
{
NotifyPropertyChanged("CanRedo");
}
}
}
/// <summary>
/// Undoes the last operation.
/// </summary>
public void Undo()
{
AssertNoUndoGroupOpen();
if (InternalUndoStack.Count > 0)
{
IUndoableOperation operation = InternalUndoStack.DequeueHead();
InternalRedoStack.EnqueueHead(operation);
operation.Undo();
OnOperationUndone();
if (InternalUndoStack.Count == 0)
{
OnPropertyChanged(new PropertyChangedEventArgs("CanUndo"));
}
if (InternalRedoStack.Count == 1)
{
OnPropertyChanged(new PropertyChangedEventArgs("CanRedo"));
}
EnforceSizeLimit();
}
}
internal void RunUndo(IUndoableOperation op)
{
IUndoableOperationWithContext opWithCtx = op as IUndoableOperationWithContext;
if (opWithCtx != null)
opWithCtx.Undo(this);
else
op.Undo();
}