From cad08c9589c907af538f16905398e7bddc9bf814 Mon Sep 17 00:00:00 2001
From: 10xtechie <koder.kay@gmail.com>
Date: Thu, 23 Jun 2022 15:35:32 +0000
Subject: [PATCH 1/3] issue #637 - changes for URL aware language tabs

---
 themes/cucumber-sb/static/js/site.js | 44 ++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/themes/cucumber-sb/static/js/site.js b/themes/cucumber-sb/static/js/site.js
index 16677a4b..07154873 100644
--- a/themes/cucumber-sb/static/js/site.js
+++ b/themes/cucumber-sb/static/js/site.js
@@ -91,12 +91,56 @@ function showOnly(language) {
   }
 }
 
+function updateQueryParam(selectedLang){
+  let params = location.search.split("&")
+  if(params.length > 1){
+    params.forEach((element, index) => {
+      if(element.includes("lang")){
+        params[index] = 'lang=' + selectedLang
+      }
+    });
+    return location.search = params.join("&")
+  }else{
+    return location.search = 'lang=' + selectedLang
+  }
+}
+
+function getLangFromUrl(){
+  let params = location.search.split("&")
+  var lang  = ''
+  if(params[0].length > 1){
+    params.forEach((element, index) => {
+      if(element.includes("lang")){
+        lang =  params[index].split("=")[1]
+      }
+    });
+  }
+    return lang
+}
+
 // Activate
 
+var supportedLanguages = [
+  "java",
+  "javascript",
+  "ruby",
+  "kotlin",
+  "scala"
+]
+
 ready(function() {
+  var selectedLang = getLangFromUrl();
+  if(selectedLang != '' && selectedLang != null && supportedLanguages.includes(selectedLang)){
+    showOnly(selectedLang)
+  }else{
+    //setting default language
+    showOnly("java")
+  }
+
   each(document, '.tabs li', function(li) {
     var language = li.getAttribute('data-language')
     li.addEventListener('click', function () {
+      window.location.search = updateQueryParam(language);
       showOnly(language)
     })
   })

From eb6f0d4e38e456d8562baf034885e18874b59b27 Mon Sep 17 00:00:00 2001
From: 10xtechie <koder.kay@gmail.com>
Date: Fri, 24 Jun 2022 19:11:07 +0000
Subject: [PATCH 2/3] issue #637 - saving and retrieving the preferred language
 from local storage

---
 themes/cucumber-sb/static/js/site.js | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/themes/cucumber-sb/static/js/site.js b/themes/cucumber-sb/static/js/site.js
index 07154873..7c28f200 100644
--- a/themes/cucumber-sb/static/js/site.js
+++ b/themes/cucumber-sb/static/js/site.js
@@ -128,13 +128,19 @@ var supportedLanguages = [
   "scala"
 ]
 
+var defaulLanguage = 'java'
+
 ready(function() {
   var selectedLang = getLangFromUrl();
-  if(selectedLang != '' && selectedLang != null && supportedLanguages.includes(selectedLang)){
-    showOnly(selectedLang)
+  if((selectedLang == '' || selectedLang == null)){
+    if(localStorage.getItem('language') == ''){
+      showOnly(defaulLanguage)
+      localStorage.setItem('language', defaulLanguage)
+    }else{
+      showOnly(localStorage.getItem('language'))
+    }
   }else{
-    //setting default language
-    showOnly("java")
+    showOnly(selectedLang)
   }
 
   each(document, '.tabs li', function(li) {

From f8aec78dbcda888c6def7154daa03249116db451 Mon Sep 17 00:00:00 2001
From: 10xtechie <koder.kay@gmail.com>
Date: Fri, 24 Jun 2022 19:23:45 +0000
Subject: [PATCH 3/3] issue #637 - allowing only supported languages

---
 themes/cucumber-sb/static/js/site.js | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/themes/cucumber-sb/static/js/site.js b/themes/cucumber-sb/static/js/site.js
index 7c28f200..fa8c9b7b 100644
--- a/themes/cucumber-sb/static/js/site.js
+++ b/themes/cucumber-sb/static/js/site.js
@@ -140,7 +140,16 @@ ready(function() {
       showOnly(localStorage.getItem('language'))
     }
   }else{
-    showOnly(selectedLang)
+    if(supportedLanguages.includes(selectedLang)){
+      showOnly(selectedLang)
+    }else{
+      if(localStorage.getItem('language') == ''){
+        showOnly(defaulLanguage)
+        localStorage.setItem('language', defaulLanguage)
+      }else{
+        showOnly(localStorage.getItem('language'))
+      }
+    }
   }
 
   each(document, '.tabs li', function(li) {