public static void Serialize(XmlWriter w, IKvaSerializable drawing, SerializationFilter filter)
{
if (drawing.Id == Guid.Empty)
{
return;
}
// The XML name for this drawing should be stored in its [XMLType] C# attribute.
Type t = drawing.GetType();
object[] attributes = t.GetCustomAttributes(typeof(XmlTypeAttribute), false);
if (attributes.Length == 0)
{
return;
}
string xmlName = ((XmlTypeAttribute)attributes[0]).TypeName;
w.WriteStartElement(xmlName);
w.WriteAttributeString("id", drawing.Id.ToString());
w.WriteAttributeString("name", drawing.Name);
drawing.WriteXml(w, filter);
w.WriteEndElement();
}
public void WriteXml(XmlWriter w)
{
w.WriteStartElement("Position");
string userTime = m_ParentMetadata.TimeStampsToTimecode(m_Position, TimeCodeFormat.Unknown, false);
w.WriteAttributeString("UserTime", userTime);
w.WriteString(m_Position.ToString());
w.WriteEndElement();
if (!string.IsNullOrEmpty(Title))
{
w.WriteElementString("Title", Title);
}
if (!string.IsNullOrEmpty(m_CommentRtf))
{
w.WriteElementString("Comment", m_CommentRtf);
}
if (m_Drawings.Count > 0)
{
w.WriteStartElement("Drawings");
foreach (AbstractDrawing drawing in m_Drawings)
{
IKvaSerializable serializableDrawing = drawing as IKvaSerializable;
if (serializableDrawing != null)
{
// The XML name for this drawing should be stored in its [XMLType] C# attribute.
Type t = serializableDrawing.GetType();
object[] attributes = t.GetCustomAttributes(typeof(XmlTypeAttribute), false);
if (attributes.Length > 0)
{
string xmlName = ((XmlTypeAttribute)attributes[0]).TypeName;
w.WriteStartElement(xmlName);
serializableDrawing.WriteXml(w);
w.WriteEndElement();
}
}
}
w.WriteEndElement();
}
}
public void WriteXml(XmlWriter w)
{
w.WriteStartElement("Position");
if (metadata.TimeCodeBuilder != null)
{
string userTime = metadata.TimeCodeBuilder(position, TimeType.UserOrigin, TimecodeFormat.Unknown, false);
w.WriteAttributeString("UserTime", userTime);
}
w.WriteString(position.ToString());
w.WriteEndElement();
if (!string.IsNullOrEmpty(Title))
{
w.WriteElementString("Title", Title);
}
if (!string.IsNullOrEmpty(comments))
{
w.WriteElementString("Comment", comments);
}
if (drawings.Count == 0)
{
return;
}
// Drawings are written in reverse order to match order of addition.
w.WriteStartElement("Drawings");
for (int i = drawings.Count - 1; i >= 0; i--)
{
IKvaSerializable serializableDrawing = drawings[i] as IKvaSerializable;
if (serializableDrawing == null)
{
continue;
}
DrawingSerializer.Serialize(w, serializableDrawing, SerializationFilter.All);
}
w.WriteEndElement();
}
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 static string SerializeMemento(Metadata metadata, AbstractDrawing drawing, SerializationFilter filter, bool saveTrackability)
{
IKvaSerializable kvaDrawing = drawing 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");
Serialize(w, kvaDrawing, filter);
if (saveTrackability && drawing is ITrackable)
{
metadata.TrackabilityManager.WriteTracker(w, drawing.Id);
}
w.WriteEndElement();
w.Flush();
result = builder.ToString();
}
return(result);
}
