From 740d14546406538be4d81b04bae5b39e2dcde5a0 Mon Sep 17 00:00:00 2001
From: Achim Rohn <achim@rohn.eu>
Date: Mon, 11 Aug 2025 22:34:50 +0200
Subject: [PATCH] Add ActivePath

---
 htmx_route.go | 35 +++++++++++++++++++++++++++++++----
 i18n.go       | 12 ++++++++++++
 2 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/htmx_route.go b/htmx_route.go
index dc2e3d2..0e83917 100644
--- a/htmx_route.go
+++ b/htmx_route.go
@@ -9,12 +9,28 @@ import (
 type HtmxContext interface {
 	Render(node gomponents.Node)
 	GetLanguage() Language
+	GetActivePath() *ActivePath
+	HasActivePath() bool
+	SetActivePath(activePath *ActivePath)
 }
 
 type HtmxContextImpl struct {
-	req      *http.Request
-	res      http.ResponseWriter
-	language Language
+	req        *http.Request
+	res        http.ResponseWriter
+	language   Language
+	activePath *ActivePath
+}
+
+func (c *HtmxContextImpl) SetActivePath(activePath *ActivePath) {
+	c.activePath = activePath
+}
+
+func (c *HtmxContextImpl) GetActivePath() *ActivePath {
+	return c.activePath
+}
+
+func (c *HtmxContextImpl) HasActivePath() bool {
+	return c.activePath != nil
 }
 
 func (c *HtmxContextImpl) GetLanguage() Language {
@@ -48,6 +64,7 @@ type HtmxRoute interface {
 	WithPathParams(params ...HtmxPathParam) HtmxRoute
 	ToUrl(queryParams ...HtmxPathParam) string
 	GetHtmx(queryParams ...HtmxPathParam) gomponents.Node
+	SetActivePath(activePath *ActivePath) HtmxRoute
 }
 
 type HtmxGetRoute struct {
@@ -55,6 +72,12 @@ type HtmxGetRoute struct {
 	RouteFunc  HtmxRouteFunc
 	PathParams []HtmxPathParam
 	Languages  []Language
+	ActivePath *ActivePath
+}
+
+func (h HtmxGetRoute) SetActivePath(activePath *ActivePath) HtmxRoute {
+	h.ActivePath = activePath
+	return h
 }
 
 func NewHtmxGetRoute(path string, routeFunc HtmxRouteFunc, languages ...Language) *HtmxGetRoute {
@@ -64,7 +87,11 @@ func NewHtmxGetRoute(path string, routeFunc HtmxRouteFunc, languages ...Language
 func (h HtmxGetRoute) Add(server *http.ServeMux) {
 	for _, language := range h.Languages {
 		server.HandleFunc("GET /"+string(language)+h.Path, func(res http.ResponseWriter, req *http.Request) {
-			h.RouteFunc(NewHtmxContext(req, res, language))
+			context := NewHtmxContext(req, res, language)
+			if h.ActivePath != nil {
+				context.SetActivePath(h.ActivePath)
+			}
+			h.RouteFunc(context)
 		})
 	}
 }
diff --git a/i18n.go b/i18n.go
index feabfb8..8a61c18 100644
--- a/i18n.go
+++ b/i18n.go
@@ -69,3 +69,15 @@ func (t I18nText) GetKey() string {
 	}
 	return ""
 }
+
+type ActivePath struct {
+	I18nText
+	Path string
+}
+
+func NewActivePath(path string, langMap map[Language]string) ActivePath {
+	return ActivePath{
+		I18nText: NewI18nText(langMap),
+		Path:     path,
+	}
+}