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 TestGraph(t *testing.T) {
case1 := []struct {
library, graph string
nodes, connections int
}{
{`<library xmlns="http://www.freesp.de/xml/freeSP" version="1.0">
<signal-type name="s1" scope="" mode="" c-type="" message-id=""></signal-type>
<node-type name="Test">
<intype port="" type="s1"></intype>
<outtype port="" type="s1"></outtype>
</node-type>
</library>
`, `<?xml version="1.0" encoding="UTF-8"?>
<signal-graph xmlns="http://www.freesp.de/xml/freeSP" version="1.0">
<nodes>
<input name="sensor">
<outtype type="s1"/>
</input>
<output name="actuator">
<intype type="s1"/>
</output>
<processing-node name="test" type="Test"></processing-node>
</nodes>
<connections>
<connect from="sensor" to="test"/>
<connect from="test" to="actuator"/>
</connections>
</signal-graph>
`, 3, 2},
}
for i, c := range case1 {
freesp.Init()
var l bh.LibraryIf = LibraryNew("test.alml", nil)
buf := copyBuf(c.library)
_, err := l.Read(buf)
if err != nil {
t.Errorf("Testcase %d: Failed to read from buffer: %v", i, err)
return
}
var sg bh.SignalGraphIf = SignalGraphNew("test.sml", nil)
buf = copyBuf(c.graph)
_, err = sg.Read(buf)
if err != nil {
t.Errorf("Testcase %d: Failed to read from buffer: %v", i, err)
return
}
var st bh.SignalGraphTypeIf = sg.ItsType()
if len(st.Nodes()) != c.nodes {
t.Errorf("Testcase %d: NodeIf count mismatch", i)
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
}
func CreateXmlSignalGraph(g bh.SignalGraphIf) *backend.XmlSignalGraph {
return CreateXmlSignalGraphType(g.ItsType())
}
func (v signalGraphView) IdentifyGraph(g bh.SignalGraphIf) bool {
return g.ItsType() == v.sgType
}
func SignalGraphUsesSignalType(s bh.SignalGraphIf, st bh.SignalTypeIf) bool {
return SignalGraphTypeUsesSignalType(s.ItsType(), st)
}
func SignalGraphUsesNodeType(s bh.SignalGraphIf, nt bh.NodeTypeIf) bool {
return SignalGraphTypeUsesNodeType(s.ItsType(), nt)
}