public virtual void Close()
{
if (ThingGraphIo != null)
{
ThingGraphIo.Close(GraphContent);
this.GraphContent = null;
}
}
public static string Extension(this ThingGraphIo source)
{
if (source.Detector == null || !source.Detector.ContentSpecs.Any())
{
return(".<null>");
}
return("." + source.Detector.ContentSpecs.First().Extension);
}
public virtual void OnFlush(IThingGraph graph)
{
if (ThingGraphIo != null)
{
if (ThingGraphIo.IoMode == IoMode.Write)
{
ThingGraphIo.Flush(GraphContent);
}
}
}
public virtual ThingGraphContent CreateGraphContent(Iori iori)
{
if (ThingGraphIo != null)
{
var result = ThingGraphIo.Open(iori);
ReportDetail("*** file:\t" + iori.Name + ThingGraphIo.Extension());
return(result);
}
return(new ThingGraphContent {
Data = new ThingGraph()
});
}
public bool SaveAs(Iori iori)
{
// save current:
var oldSource = "";
ThingGraphIo sinkIo = null;
if (Data.Source != null)
{
oldSource = this.Data.Source.ToString();
sinkIo = ThingGraphIoManager.GetSinkIO(Data.ContentType, IoMode.Write) as ThingGraphIo;
if (sinkIo != null)
{
sinkIo.Flush(Data);
}
}
// get the new:
sinkIo = ThingGraphIoManager.GetSinkIO(iori, IoMode.Write) as ThingGraphIo;
if (sinkIo == null)
{
return(false);
}
var sink = sinkIo.Open(iori);
// saveAs:
var merger = new ThingGraphMerger {
Progress = this.Progress
};
merger.Use(Data.Data, sink.Data);
merger.AttachThings(sink.Data);
// close and reopen; flush and attach does't work in all cases
sinkIo.Close(sink);
sink = sinkIo.Open(iori);
AttachCurrent(sink, iori.Name);
OnProgress(string.Format("{0} saved as {1}", Path.GetFileNameWithoutExtension(oldSource), iori.Name), -1, -1);
return(true);
}
