private void FromState(SpaceSavedState state)
{
if (!string.IsNullOrWhiteSpace(state.StatementXml))
{
FromXml(state.StatementXml);
}
FromXml(state.Xml);
FromXml(state.BgXml);
ChangesPending = state.ChangesPending;
NamedIdList = state.NamedIdList.ToList();
NamelessIdList = state.NamelessIdList.ToList();
foreach (int i in state.NamedImported)
{
NamedObjects[i].Imported = true;
}
foreach (int i in state.NamelessImported)
{
NamelessObjects[i].Imported = true;
}
foreach (int i in state.NamedSelected)
{
NamedObjects[i].Selected = true;
}
if (state.NamelessSelected != null)
{
SelectionNameless = NamelessObjects[state.NamelessSelected.Value];
}
}
public bool Redo(SpaceSavedState state = null)
{
if (RedoStack.Count == 0)
{
return(false);
}
state = state ?? RedoStack.Peek();
while (UndoStack.Count == 0 || UndoStack.Peek() != state)
{
UndoStack.Push(RedoStack.Pop());
}
FromState(UndoStack.Peek());
return(true);
}
private SpaceSavedState ToState(string shortDescription)
{
SpaceSavedState state = new SpaceSavedState();
state.StatementXml = SelectionSpecial == null ? null : "<statementInput>" + SelectionSpecial.ToXml(new XmlDocument()).OuterXml + "</statementInput>";
state.Xml = ToXml();
state.BgXml = ToXml(true);
state.ChangesPending = ChangesPending;
state.Description = shortDescription;
state.NamedIdList = NamedIdList.ToList();
state.NamelessIdList = NamelessIdList.ToList();
state.NamedImported = new List <int>();
state.NamelessImported = new List <int>();
for (int i = 0; i < NamedObjects.Count; i++)
{
if (NamedObjects[i].Imported)
{
state.NamedImported.Add(i);
}
}
for (int i = 0; i < NamelessObjects.Count; i++)
{
if (NamelessObjects[i].Imported)
{
state.NamelessImported.Add(i);
}
}
state.NamedSelected = new List <int>();
for (int i = 0; i < NamedObjects.Count; i++)
{
if (NamedObjects[i].Selected)
{
state.NamedSelected.Add(i);
}
}
if (SelectionNameless == null)
{
state.NamelessSelected = null;
}
else
{
state.NamelessSelected = NamelessObjects.IndexOf(SelectionNameless);
}
return(state);
}
public void Undo(SpaceSavedState state = null)
{
if (SpaceMap.Undo(state))
{
UpdateFormText();
Selection_Update();
UpdateObjectLists();
Redraw();
}
}
public bool Redo(SpaceSavedState state = null)
{
if (RedoStack.Count == 0)
return false;
state = state ?? RedoStack.Peek();
while (UndoStack.Count == 0 || UndoStack.Peek() != state)
UndoStack.Push(RedoStack.Pop());
FromState(UndoStack.Peek());
return true;
}
private SpaceSavedState ToState(string shortDescription)
{
SpaceSavedState state = new SpaceSavedState();
state.StatementXml = SelectionSpecial == null ? null : "<statementInput>" + SelectionSpecial.ToXml(new XmlDocument()).OuterXml + "</statementInput>";
state.Xml = ToXml();
state.BgXml = ToXml(true);
state.ChangesPending = ChangesPending;
state.Description = shortDescription;
state.NamedIdList = NamedIdList.ToList();
state.NamelessIdList = NamelessIdList.ToList();
state.NamedImported = new List<int>();
state.NamelessImported = new List<int>();
for (int i = 0; i < NamedObjects.Count; i++)
if (NamedObjects[i].Imported)
state.NamedImported.Add(i);
for (int i = 0; i < NamelessObjects.Count; i++)
if (NamelessObjects[i].Imported)
state.NamelessImported.Add(i);
state.NamedSelected = new List<int>();
for (int i = 0; i < NamedObjects.Count; i++)
if (NamedObjects[i].Selected)
state.NamedSelected.Add(i);
if (SelectionNameless == null)
state.NamelessSelected = null;
else
state.NamelessSelected = NamelessObjects.IndexOf(SelectionNameless);
return state;
}
private void FromState(SpaceSavedState state)
{
if (!string.IsNullOrWhiteSpace(state.StatementXml)) FromXml(state.StatementXml);
FromXml(state.Xml);
FromXml(state.BgXml);
ChangesPending = state.ChangesPending;
NamedIdList = state.NamedIdList.ToList();
NamelessIdList = state.NamelessIdList.ToList();
foreach (int i in state.NamedImported)
NamedObjects[i].Imported = true;
foreach (int i in state.NamelessImported)
NamelessObjects[i].Imported = true;
foreach (int i in state.NamedSelected)
NamedObjects[i].Selected = true;
if (state.NamelessSelected != null)
SelectionNameless = NamelessObjects[state.NamelessSelected.Value];
}