public void PerformCommand(IUndoCommand command)
{
if (performingCommandSequence)
{
commandSequence.PerformCommand(command);
}
else
{
try
{
command.Perform();
index++;
commands.Insert(index, command);
if (index < capacity && commands.Count > index + 1)
{
commands.RemoveRange(index + 1, commands.Count - (index + 1));
}
if (commands.Count > capacity)
{
commands.RemoveRange(0, commands.Count - capacity);
}
CommandPerformed?.Invoke(this, new EventArgs());
}
catch (Exception ex)
{
HandleError(command, ex);
}
}
}
public void BeginCommandSequence(string description)
{
performingCommandSequence = true;
commandSequence = new UndoSequence(description, errorSink);
commandSequence.CommandPerformed += (sender, e) => CommandPerformed?.Invoke(this, e);
}
public void PerformCommand()
{
if (!Enabled || Text.Length == 0)
{
return;
}
CommandPerformed?.Invoke(Text);
Clear();
}
public void Redo()
{
if (index + 1 == commands.Count)
{
return;
}
IUndoCommand command = commands.ElementAt(index + 1);
try
{
command.Perform();
index++;
CommandPerformed?.Invoke(this, new EventArgs());
}
catch (Exception ex)
{
HandleError(command, ex);
}
}
public void Undo()
{
if (index < 0)
{
return;
}
IUndoCommand command = commands.ElementAt(index);
try
{
command.Rollback();
index--;
CommandPerformed?.Invoke(this, new EventArgs());
}
catch (Exception ex)
{
HandleError(command, ex);
}
}
public void Do(CommandBase com)
{
MyGame.DebugAlert(DebugMode.Commands, "Doing " + com.ToString(MyGame));
if (!(com is CommandGroup))
{
UndoStack.Push(com);
}
com.Do(MyGame);
if (!SuspendViewUpdates)
{
com.UpdateViews(MyGame);
}
if (triggerOnCommandTypes.Contains(com.GetType()) && !IsLoading)
{
MyGame.MyTriggerHandler.GatherTriggers(com);
}
CommandPerformed?.Invoke(com);
}
internal void NotifyCommandPerformed(CommandReply repl)
{
CommandPerformed?.Invoke(this, repl);
m_wasPerformed = true;
}
