public HistoryMementoAddMultiDrawingItem(Metadata metadata, AbstractMultiDrawing manager, Guid itemId)
{
this.metadata = metadata;
this.manager = manager;
this.itemId = itemId;
commandName = string.Format("{0} ({1})", ScreenManagerLang.CommandAddDrawing_FriendlyName, manager.ToolDisplayName);
}
/// <summary>
/// Adds a new item to a multi drawing.
/// </summary>
public void AddMultidrawingItem(AbstractMultiDrawing multidrawing, AbstractMultiDrawingItem item)
{
multidrawing.Add(item);
SelectDrawing(multidrawing);
if (MultiDrawingItemAdded != null)
{
MultiDrawingItemAdded(this, new MultiDrawingItemEventArgs(item, multidrawing));
}
}
public HistoryMementoDeleteMultiDrawingItem(Metadata metadata, AbstractMultiDrawing manager, Guid itemId, SerializationFilter filter)
{
this.metadata = metadata;
this.manager = manager;
this.itemId = itemId;
commandName = string.Format("{0} ({1})", ScreenManagerLang.CommandDeleteDrawing_FriendlyName, manager.ToolDisplayName);
if (manager != null)
{
data = MultiDrawingItemSerializer.SerializeMemento(metadata, manager, manager.GetItem(itemId), filter);
}
// TODO: get the associated trackable drawing and save it too.
}
public void DeleteMultiDrawingItem(AbstractMultiDrawing manager, Guid itemId)
{
ITrackable item = manager.GetItem(itemId) as ITrackable;
if (item != null)
{
DeleteTrackableDrawing(item);
}
manager.Remove(itemId);
UnselectAll();
if (MultiDrawingItemDeleted != null)
{
MultiDrawingItemDeleted(this, EventArgs.Empty);
}
}
private ITrackable ConvertToTrackable(object parameter)
{
ITrackable trackableDrawing = null;
if (parameter is AbstractMultiDrawing)
{
AbstractMultiDrawing manager = parameter as AbstractMultiDrawing;
if (manager != null)
{
trackableDrawing = manager.SelectedItem as ITrackable;
}
}
else
{
trackableDrawing = parameter as ITrackable;
}
return(trackableDrawing);
}
public static string SerializeMemento(Metadata metadata, AbstractMultiDrawing manager, AbstractMultiDrawingItem item, SerializationFilter filter)
{
IKvaSerializable kvaDrawing = item as IKvaSerializable;
if (kvaDrawing == null)
{
return("");
}
string result = "";
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = false;
settings.CloseOutput = true;
StringBuilder builder = new StringBuilder();
using (XmlWriter w = XmlWriter.Create(builder, settings))
{
w.WriteStartElement("DrawingMemento");
DrawingSerializer.Serialize(w, kvaDrawing, filter);
if (item is ITrackable)
{
metadata.TrackabilityManager.WriteTracker(w, item.Id);
}
w.WriteEndElement();
w.Flush();
result = builder.ToString();
}
return(result);
}
public MultiDrawingItemEventArgs(AbstractMultiDrawingItem item, AbstractMultiDrawing manager)
{
this.item = item;
this.manager = manager;
}