Active NavElement

main.go

@@ -249,6 +249,7 @@ func readContentDir(inBase string, outBase string, dir string, conf *PathConfig,
 type navElement struct {
 	Navname string
 	GoTo    string
+	Active  bool
 
 	SubMap   *map[string]*navElement
 	SubSlice *[]*navElement
@@ -256,13 +257,15 @@ type navElement struct {
 
 func buildNavigation(conf *PathConfigTree, curNavMap *map[string]*navElement, curNavSlice *[]*navElement, activeNav string) {
 	for _, el := range conf.Sub {
+		elPath := strings.TrimPrefix(el.OutputPath, *outDir+"/")
+
 		subMap := make(map[string]*navElement)
 		subSlice := make([]*navElement, 0)
 		navEl := navElement{
+			Active:   strings.HasPrefix(activeNav, elPath),
 			SubMap:   &subMap,
 			SubSlice: &subSlice,
 		}
-		elPath := strings.TrimPrefix(el.OutputPath, *outDir+"/")
 
 		n := el.Config.This.Navname
 		if n != nil {