func (f *fileManagerSG) Access(name string) (sg tr.ToplevelTreeElementIf, err error) {
var ok bool
sg, ok = f.signalGraphMap[name]
if ok {
return
}
sg = behaviour.SignalGraphNew(name, f.context)
var filedir string
for _, filedir = range backend.XmlSearchPaths() {
err = sg.ReadFile(fmt.Sprintf("%s/%s", filedir, name))
if err == nil {
break
}
}
if err != nil {
err = fmt.Errorf("fileManagerSG.Access: graph file %s not found.", name)
return
}
var filename string
if len(filedir) > 0 {
filename = fmt.Sprintf("%s/%s", filedir, name)
} else {
filename = name
}
sg.SetPathPrefix(filedir)
hint := backend.XmlGraphHintNew(name)
hintfilename := f.HintFilename(filename)
var buf []byte
buf, err = tool.ReadFile(hintfilename)
if err == nil {
_, err = hint.Read(buf)
if err != nil {
return
}
err = behaviour.SignalGraphApplyHints(sg.(bh.SignalGraphIf), hint)
if err != nil {
err = fmt.Errorf("fileManagerSG.Access: %s", err)
return
}
}
var newId string
newId, err = f.context.FTS().AddToplevel(sg.(bh.SignalGraphIf))
if err != nil {
err = fmt.Errorf("fileManagerSG.Access: %s", err)
return
}
f.context.FTV().SelectId(newId)
var gv views.GraphViewIf
gv, err = views.SignalGraphViewNew(sg.(bh.SignalGraphIf), f.context)
if err != nil {
err = fmt.Errorf("fileManagerSG.Access: %s", err)
return
}
f.context.GVC().Add(gv, name)
f.signalGraphMap[name] = sg.(bh.SignalGraphIf)
log.Printf("fileManagerSG.Access: graph %s successfully loaded.\n", name)
return
}
func (f *fileManagerSG) New() (sg tr.ToplevelTreeElementIf, err error) {
filename := f.NewFilename()
sg = behaviour.SignalGraphNew(filename, f.context)
f.signalGraphMap[filename] = sg.(bh.SignalGraphIf)
var newId string
newId, err = f.context.FTS().AddToplevel(sg.(bh.SignalGraphIf))
if err != nil {
err = fmt.Errorf("fileManagerSG.New: %s", err)
return
}
f.context.FTV().SelectId(newId)
var gv views.GraphViewIf
gv, err = views.SignalGraphViewNew(sg.(bh.SignalGraphIf), f.context)
if err != nil {
err = fmt.Errorf("fileManagerSG.New: %s", err)
return
}
f.context.GVC().Add(gv, filename)
f.context.ShowAll()
return
}