private void ProjectManager_ProjectChanged(object sender, EventArgs e)
{
UndoHistory.Clear();
RedoHistory.Clear();
HistoryLimitExceeded = false;
CurrentChangeID = 0;
}
public void ClearHistory()
{
UndoHistory.Clear();
RedoHistory.Clear();
HistoryLimitExceeded = false;
ProjectIsModified = false;
CurrentChangeID = 0;
}
public override void DiscardChanges()
{
_directImage.Render();
UndoHistory.Clear();
RedoHistory.Clear();
NotifyOfPropertyChange(() => CanUndo);
NotifyOfPropertyChange(() => CanRedo);
}
/// <summary>
/// Redos the last change made and pushes it to the undo stack,
/// if possible.
/// </summary>
public void Redo()
{
if (CanRedo())
{
UndoHistory.Push(new AppPalUndo(Palette, RedoHistory.Peek().Name));
var state = RedoHistory.Pop();
SetPalette(state.Palette, false);
}
}
public void Use(Entity.Player p, string[] args)
{
int time = 30;
long uid = -1;
Level where = null;
if (args.Length == 1)
{
try { time = int.Parse(args[0]); }
catch { p.SendMessage("The time was incorrect, using 30 seconds instead"); }
}
if (args.Length == 2)
{
uid = Player.GetUID(args[0]);
if (uid == -1)
{
p.SendMessage("Player not found");
return;
}
try { time = int.Parse(args[1]); }
catch { p.SendMessage("The time was incorrect, using 30 seconds instead"); }
}
if (args.Length == 3)
{
uid = Player.GetUID(args[0]);
if (uid == -1)
{
p.SendMessage("Player not found");
return;
}
try { time = int.Parse(args[1]); }
catch { p.SendMessage("The time was incorrect, using 30 seconds instead"); }
where = Level.FindLevel(args[2]);
if (where == null)
{
p.SendMessage("Level " + args[2] + " does not exist or is not loaded");
return;
}
}
if (uid == -1)
{
uid = p.UID;
}
if (where == null)
{
where = p.Level;
}
int count = 0;
foreach (var ch in RedoHistory.Redo((uint)uid, where.Name, DateTime.Now.AddSeconds(-time).Ticks))
{
where.BlockChange(ch.Item1, ch.Item2, ch.Item3, ch.Item4, p);
count++;
}
p.SendMessage("&e" + count + MCForge.Core.Server.DefaultColor + " Blocks changed");
}
/// <summary>
/// Redos the last change made and pushes it to the undo stack,
/// if possible.
/// </summary>
public void Redo()
{
if (CanRedo())
{
UndoHistory.Push(new AppState(HsvColor, SchemeType));
AppState s = RedoHistory.Pop();
SetColor(s.Color, false, false);
SetSchemeType(s.SchemeType, false, false);
// because we didn't use the setters to fire events
// because we'd be wastefully firing two otherwise
OnResultChanged(new EventArgs());
}
}
private void AddAction(ChangeAction action)
{
RedoHistory.Clear();
UndoHistory.Add(action);
action.ChangeID = ++CurrentChangeID;
if (UndoHistory.Count > MaxHistory)
{
HistoryLimitExceeded = true;
UndoHistory.RemoveAt(0);
}
UndoHistoryChanged?.Invoke(this, EventArgs.Empty);
}
void Undo(long UID, int time, Level l, Player online)
{
long since = DateTime.Now.AddSeconds(-time).Ticks;
int count = 0;
foreach (var ch in BlockChangeHistory.GetCurrentIfUID(l.Name, (uint)UID, since))
{
RedoHistory.Add((uint)UID, l.Name, ch.Item1, ch.Item2, ch.Item3, ch.Item4);
count++;
}
foreach (var ch in BlockChangeHistory.Undo(l.Name, (uint)UID, since))
{
l.BlockChange(ch.Item1, ch.Item2, ch.Item3, ch.Item4);
}
online.SendMessage("&e" + count + Server.DefaultColor + " Blocks changed");
return;
}
public void Redo()
{
if (RedoHistory.Any())
{
BeginUndoRedo?.Invoke(this, EventArgs.Empty);
var lastAction = RedoHistory.Last();
CurrentChangeID = lastAction.ChangeID;
RedoHistory.Remove(lastAction);
UndoHistory.Add(lastAction);
ExecutingUndoRedo = true;
lastAction.Redo();
ExecutingUndoRedo = false;
EndUndoRedo?.Invoke(this, EventArgs.Empty);
UndoHistoryChanged?.Invoke(this, EventArgs.Empty);
}
}
public override void SaveChanges()
{
try
{
_directImage.SaveImage();
UndoHistory.Clear();
RedoHistory.Clear();
NotifyOfPropertyChange(() => CanUndo);
NotifyOfPropertyChange(() => CanRedo);
IsModified = false;
var changeEvent = new ArrangerChangedEvent(_projectArranger, ArrangerChange.Pixels);
_events.PublishOnUIThread(changeEvent);
}
catch (Exception ex)
{
_windowManager.ShowMessageBox($"Could not save the pixel arranger contents\n{ex.Message}\n{ex.StackTrace}", "Save Error");
}
}
/// <summary>
/// Pushes the current state of the application to the undo stack, and purges the redo stack.
/// </summary>
private void PushUndo()
{
UndoHistory.Push(new AppState(HsvColor, SchemeType));
RedoHistory.Clear();
}
/// <summary>
/// Pushes the current state of the application to the undo stack, and purges the redo stack.
/// </summary>
private void PushUndo(string action)
{
UndoHistory.Push(new AppPalUndo(Palette, action));
RedoHistory.Clear();
}
