func SignalGraphViewNew(g bh.SignalGraphIf, context ContextIf) (viewer *signalGraphView, err error) {
viewer = &signalGraphView{nil, DrawArea{}, nil, nil, g.ItsType(), g.Filename(), context, image.Point{}, false}
err = viewer.init()
if err != nil {
return
}
viewer.Sync()
return
}
func CreateXmlGraphHint(g bh.SignalGraphIf) (xmlg *backend.XmlGraphHint) {
xmlg = backend.XmlGraphHintNew(g.Filename())
for _, n := range g.ItsType().InputNodes() {
xmlg.InputNode = append(xmlg.InputNode, *CreateXmlIONodePosHint(n, ""))
}
for _, n := range g.ItsType().OutputNodes() {
xmlg.OutputNode = append(xmlg.OutputNode, *CreateXmlIONodePosHint(n, ""))
}
for _, n := range g.ItsType().ProcessingNodes() {
hintlist := CreateXmlNodePosHint(n, "")
for _, h := range hintlist {
xmlg.ProcessingNode = append(xmlg.ProcessingNode, h)
}
}
return
}
func SignalGraphApplyHints(s bh.SignalGraphIf, xmlhints *backend.XmlGraphHint) (err error) {
if s.Filename() != xmlhints.Ref {
err = fmt.Errorf("SignalGraphApplyHints error: filename mismatch\n")
return
}
g := s.ItsType()
for _, xmln := range xmlhints.InputNode {
n, ok := g.NodeByName(xmln.Name)
if ok {
n.SetExpanded(false)
freesp.PathModePositionerApplyHints(n, xmln.XmlModeHint)
}
}
for _, xmln := range xmlhints.OutputNode {
n, ok := g.NodeByName(xmln.Name)
if ok {
n.SetExpanded(false)
freesp.PathModePositionerApplyHints(n, xmln.XmlModeHint)
}
}
NodesApplyHints("", g, xmlhints.ProcessingNode)
return
}
