public override void Undo(UndoEngine engine)
{
// Console.WriteLine ("ComponentRenameAction.Undo (" + _currentName + "): " + _oldName);
IDesignerHost host = engine.GetRequiredService(typeof(IDesignerHost)) as IDesignerHost;
IComponent component = host.Container.Components[_currentName];
component.Site.Name = _oldName;
string tmp = _currentName;
_currentName = _oldName;
_oldName = tmp;
}
public void SetModifiedState(UndoEngine engine, IComponent component, MemberDescriptor member)
{
// Console.WriteLine ("ComponentChangeAction.SetModifiedState (" + (_componentName != null ? (_componentName + ".") : "") +
// member.Name + "): " +
// (((PropertyDescriptor)member).GetValue (component) == null ? "null" :
// ((PropertyDescriptor)member).GetValue (component).ToString ()));
ComponentSerializationService serializationService = engine.GetRequiredService(
typeof(ComponentSerializationService)) as ComponentSerializationService;
_afterChange = serializationService.CreateStore();
serializationService.SerializeMemberAbsolute(_afterChange, component, member);
_afterChange.Close();
}
public UndoUnit(UndoEngine engine, string name)
{
if (engine == null)
{
throw new ArgumentNullException("engine");
}
if (name == null)
{
throw new ArgumentNullException("name");
}
_engine = engine;
_name = name;
_actions = new List <Action> ();
}
public ComponentAddRemoveAction(UndoEngine engine, IComponent component, bool added)
{
if (component == null)
{
throw new ArgumentNullException("component");
}
// Console.WriteLine ((added ? "Component*Add*RemoveAction" : "ComponentAdd*Remove*Action") +
// " (" + component.Site.Name + ")");
ComponentSerializationService serializationService = engine.GetRequiredService(
typeof(ComponentSerializationService)) as ComponentSerializationService;
_serializedComponent = serializationService.CreateStore();
serializationService.Serialize(_serializedComponent, component);
_serializedComponent.Close();
_added = added;
_componentName = component.Site.Name;
}
// Reminder: _component might no longer be a valid instance
// so one should request a new one.
//
public override void Undo(UndoEngine engine)
{
if (_beforeChange == null)
{
// Console.WriteLine ("ComponentChangeAction.Undo: ERROR: UndoUnit is not complete.");
return;
}
// Console.WriteLine ("ComponentChangeAction.Undo (" + _componentName + "." + _member.Name + ")");
IDesignerHost host = (IDesignerHost)engine.GetRequiredService(typeof(IDesignerHost));
_component = host.Container.Components[_componentName];
ComponentSerializationService serializationService = engine.GetRequiredService(
typeof(ComponentSerializationService)) as ComponentSerializationService;
serializationService.DeserializeTo(_beforeChange, host.Container);
SerializationStore tmp = _beforeChange;
_beforeChange = _afterChange;
_afterChange = tmp;
}
public override void Undo(UndoEngine engine)
{
IDesignerHost host = engine.GetRequiredService(typeof(IDesignerHost)) as IDesignerHost;
if (_added)
{
// Console.WriteLine ("Component*Add*RemoveAction.Undo (" + _componentName + ")");
IComponent component = host.Container.Components[_componentName];
if (component != null) // the component might have been destroyed already
{
host.DestroyComponent(component);
}
_added = false;
}
else
{
// Console.WriteLine ("ComponentAdd*Remove*Action.Undo (" + _componentName + ")");
ComponentSerializationService serializationService = engine.GetRequiredService(
typeof(ComponentSerializationService)) as ComponentSerializationService;
serializationService.DeserializeTo(_serializedComponent, host.Container);
_added = true;
}
}
public virtual void Undo(UndoEngine engine)
{
}
protected override void DiscardUndoUnit(UndoEngine.UndoUnit unit)
{
base.DiscardUndoUnit (unit);
if (_undoUnits.Count > 0 && Object.ReferenceEquals (unit, _undoUnits.Peek ()))
_undoUnits.Pop ();
}
protected override void AddUndoUnit(UndoEngine.UndoUnit unit)
{
_undoUnits.Push (unit);
_redoUnits.Clear ();
}
