/// <summary>
/// creates a visual, backed by a
/// StreamThing, created and assigned with content
/// </summary>
/// <param name="graph"></param>
/// <param name="content"></param>
/// <returns></returns>
public virtual IVisual VisualOfContent(IGraph <IVisual, IVisualEdge> graph, Content <Stream> content)
{
if (content == null)
{
return(null);
}
IVisual result = null;
var sourceGraph = graph.Source <IVisual, IVisualEdge, IThing, ILink>();
if (sourceGraph != null)
{
var thingGraph = graph.ThingGraph();
var factory = graph.ThingFactory();
IThing thing = null;
if (content.Data != null)
{
thing = new ThingContentFacade(factory).AssignContent(thingGraph, null, content);
}
else
{
thing = factory.CreateItem(content.Description);
thingGraph.Add(thing);
}
result = sourceGraph.Get(thing);
}
return(result);
}
public virtual void Test()
{
ReportDetail("ThingContentFacade");
var graph = this.Graph;
var thingContentFacade = new ThingContentFacade();
var thing = thingContentFacade.CreateAndAdd(
graph, new Content <Stream>(stream, CompressionType.None));
#if !__ANDROID__
Assert.IsInstanceOf(typeof(Thing), thing);
#else
#endif
Assert.AreEqual(((IThing <Stream>)thing).Data.Length, stream.Length);
}
public bool SaveStreamInGraph(Stream source, IGraph <IVisual, IVisualEdge> target, SceneInfo info)
{
var thingGraph = GetThingGraph(target);
var thing = GetSheetThing(thingGraph, info.Id) as IStreamThing;
var content = new Content <Stream> (source, CompressionType.bZip2, ContentTypes.LimadaSheet)
{
Description = info.Name
};
if (thing is IStreamThing || thing == null)
{
var factory = target.ThingFactory();
var result = new ThingContentFacade(factory).AssignContent(thingGraph, thing, content) != null;
info.State.Hollow = false;
info.State.Clean = true;
return(result);
}
return(false);
}
