public HistoryMementoDeleteDrawing(Metadata metadata, Guid managerId, Guid drawingId, string drawingName)
{
this.metadata = metadata;
this.managerId = managerId;
this.drawingId = drawingId;
this.drawingName = drawingName;
commandName = string.Format("{0} ({1})", ScreenManagerLang.CommandDeleteDrawing_FriendlyName, drawingName);
AbstractDrawingManager manager = metadata.GetDrawingManager(managerId);
if (manager != null)
{
data = DrawingSerializer.SerializeMemento(metadata, manager.GetDrawing(drawingId), SerializationFilter.All, true);
}
}
public HistoryMementoModifyDrawing(Metadata metadata, Guid managerId, Guid drawingId, string drawingName, SerializationFilter filter)
{
this.metadata = metadata;
this.managerId = managerId;
this.drawingId = drawingId;
this.drawingName = drawingName;
this.filter = filter;
UpdateCommandName(drawingName);
AbstractDrawingManager manager = metadata.GetDrawingManager(managerId);
if (manager != null)
{
data = DrawingSerializer.SerializeMemento(metadata, manager.GetDrawing(drawingId), filter, false);
}
}
public void DeleteDrawing(Guid managerId, Guid drawingId)
{
// Remove event handlers from the drawing as well as all associated data like tracking data,
// and finally remove the drawing itself.
AbstractDrawingManager manager = null;
if (managerId == chronoManager.Id)
{
manager = chronoManager;
}
else if (managerId == trackManager.Id)
{
manager = trackManager;
}
else
{
manager = GetKeyframe(managerId);
}
if (manager == null)
{
return;
}
AbstractDrawing drawing = manager.GetDrawing(drawingId);
if (drawing == null)
{
return;
}
BeforeDrawingDeletion(drawing);
manager.RemoveDrawing(drawingId);
UnselectAll();
if (DrawingDeleted != null)
{
DrawingDeleted(this, EventArgs.Empty);
}
}
public static void DeserializeModifyMemento(Guid managerId, Guid drawingId, string data, Metadata metadata)
{
AbstractDrawingManager manager = metadata.GetDrawingManager(managerId);
IKvaSerializable drawing = manager.GetDrawing(drawingId) as IKvaSerializable;
if (drawing == null)
{
return;
}
PointF identityScale = new PointF(1, 1);
XmlReaderSettings settings = new XmlReaderSettings();
settings.IgnoreComments = true;
settings.IgnoreProcessingInstructions = true;
settings.IgnoreWhitespace = true;
settings.CloseInput = true;
using (XmlReader r = XmlReader.Create(new StringReader(data), settings))
{
r.MoveToContent();
if (!(r.Name == "DrawingMemento"))
{
return;
}
r.ReadStartElement();
drawing.ReadXml(r, identityScale, TimeHelper.IdentityTimestampMapper);
if (drawing is ITrackable)
{
metadata.TrackabilityManager.ReadTracker(r, identityScale, TimeHelper.IdentityTimestampMapper);
metadata.TrackabilityManager.Assign(drawing as ITrackable);
}
}
}
public AbstractDrawing GetDrawing(Guid managerId, Guid drawingId)
{
AbstractDrawingManager manager = null;
if (managerId == chronoManager.Id)
{
manager = chronoManager;
}
else if (managerId == trackManager.Id)
{
manager = trackManager;
}
else
{
manager = GetKeyframe(managerId);
}
if (manager == null)
{
return(null);
}
return(manager.GetDrawing(drawingId));
}