From fc6a961ad0429f082912c37431ed3e71510c6dfb Mon Sep 17 00:00:00 2001
From: Ekaitz Zarraga <ekaitz@elenq.tech>
Date: Wed, 27 May 2020 16:08:24 +0200
Subject: Add web template for embedded css

---
 templates/web/js/colorscheme-switcher.js | 52 ++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 templates/web/js/colorscheme-switcher.js

(limited to 'templates/web/js')

diff --git a/templates/web/js/colorscheme-switcher.js b/templates/web/js/colorscheme-switcher.js
new file mode 100644
index 0000000..dc0a7bd
--- /dev/null
+++ b/templates/web/js/colorscheme-switcher.js
@@ -0,0 +1,52 @@
+var theme_switch = document.getElementById("dark-light-switch");
+var body = document.getElementsByTagName("BODY")[0];
+
+
+
+function init( color ){
+  change(color, true);
+  localStorage.setItem('color', color);
+  theme_switch.setAttribute("color", color);
+}
+
+function change(color, nowait){
+  // Discard transition is nowait is set
+  if(nowait !== true){
+    window.setTimeout(function() {
+      document.documentElement.classList.remove('color-theme-in-transition')
+    }, 1000)
+    document.documentElement.classList.add('color-theme-in-transition');
+  }
+
+  document.documentElement.setAttribute('data-theme', color);
+  theme_switch.setAttribute("color", color);
+  localStorage.setItem("color", color);
+}
+
+function theme_change_requested(){
+  color = theme_switch.getAttribute("color");
+  if(color=="light")
+    change("dark");
+  else
+    change("light");
+}
+
+function getCurrentColor(){
+  // Color was set before in localStorage
+  var storage_color = localStorage.getItem("color");
+  if(storage_color !== null){
+    return storage_color;
+  }
+
+  // If local storage is not set check the background of the page
+  // This is dependant of the CSS, be careful
+  var background = getComputedStyle(body).getPropertyValue("background-color");
+  if(background == "rgb(255, 255, 255)") {
+    return "light";
+  } else {
+    return "dark";
+  }
+}
+
+init( getCurrentColor() )
+theme_switch.addEventListener("click", theme_change_requested);
-- 
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