public IEnumerable <VisualHref> VisualHrefsOf(IStreamThing source)
{
source.DeCompress();
IEnumerable <VisualHref> result = new VisualHref[0];
var stream = source.Data;
if (stream == null)
{
return(null);
}
try {
stream.Position = 0;
var graph = new VisualThingGraph()
{
Source = ThingGraph
};
var serializer = new VisualThingXmlSerializer {
VisualThingGraph = graph, Layout = this.Layout
};
serializer.Read(stream);
stream.Position = 0;
result = serializer.VisualsCollection
.Where(v => !(v is IVisualEdge))
.Select(v => HrefOfVisual(graph, v))
.ToArray();
} catch (Exception ex) {
// TODO: stream-closed-error should never happen.Try to get reread the source
Registry.Pooled <IExceptionHandler> ().Catch(ex, MessageType.OK);
} finally {
source.ClearRealSubject();
}
return(result);
}
public virtual ICollection <IVisual> Read(Stream stream, IGraph <IVisual, IVisualEdge> source, IGraphSceneLayout <IVisual, IVisualEdge> layout)
{
var graph = source.Source <IVisual, IVisualEdge, IThing, ILink> ();
if (graph == null)
{
return(null);
}
var serializer = new VisualThingXmlSerializer {
VisualThingGraph = graph, Layout = layout
};
serializer.Read(stream);
return(serializer.VisualsCollection);
}
