From a9824b4191964572e6a00a48f120e90c0a9fc33b Mon Sep 17 00:00:00 2001
From: Angelos Chalaris <chalarangelo@gmail.com>
Date: Sat, 7 Apr 2018 16:23:52 +0300
Subject: [PATCH] Fixed some of the beginner page scripts

---
 docs/beginner.html                    | 56 ++++++++++++++++++++++++++-
 static-parts/beginner-page-start.html | 56 ++++++++++++++++++++++++++-
 2 files changed, 108 insertions(+), 4 deletions(-)
diff --git a/docs/beginner.html b/docs/beginner.html
index 60d04d2b9..1384f7d2e 100644
--- a/docs/beginner.html
+++ b/docs/beginner.html
@@ -13,16 +13,68 @@
     <meta property="og:type" content="website" /><meta property="og:image" content="favicon.png">
     <link rel="icon" type="image/png" href="favicon.png">
     <script>
+      function scrollToTop(){
+        const c = document.querySelector('body').scrollTop;
+        if (c > 0) {
+          window.requestAnimationFrame(scrollToTop);
+          document.querySelector('body').scrollTo(0, c - c / 4);
+        }
+      };
+      function scrollTo(element, to, id, duration) {
+        if (duration <= 0) return;
+        var difference = to - element.scrollTop;
+        var perTick = difference / duration * 40;
+
+        setTimeout(function() {
+            element.scrollTop = element.scrollTop + perTick;
+            if (element.scrollTop === to) {
+              window.location.href = "#"+id;
+              return;
+            }
+            scrollTo(element, to, id, duration - 40);
+        }, 40);
+      };
+      function loader() {
+        registerClickListener();
+      }
       function registerClickListener() {
         document.addEventListener('click', function (event) {
           if ( event.target.classList.contains('collapse') ) {
             event.target.classList = event.target.classList.contains('toggled') ? 'collapse' : 'collapse toggled';
           }
+          else if (event.target.classList.contains('clipboard-copy')) {
+            const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
+            const textArea = document.createElement("textarea");
+            textArea.value = text.trim();
+            document.body.appendChild(textArea);
+            textArea.select();
+            document.execCommand("Copy");
+            document.body.removeChild(textArea);
+            let tst = document.createElement('div');
+            tst.classList = 'toast';
+            tst.innerHTML = 'Snippet copied to clipboard!';
+            document.body.appendChild(tst);
+            setTimeout(function() {
+              tst.style.opacity = 0;
+              setTimeout(function() {
+                document.body.removeChild(tst);
+              },300);
+            },1700);
+          }
+          else if (event.target.classList.contains('scroll-to-top')){
+            scrollToTop();
+          }
+          else if (event.target.classList.contains('sublink-1')){
+            if(event.target.getAttribute("href").includes('./')) return;
+            event.preventDefault();
+            scrollTo(document.querySelector('main'), document.getElementById(event.target.href.split('#')[1]).parentElement.offsetTop - 60, event.target.href.split('#')[1], 400);
+            document.getElementById('doc-drawer-checkbox').checked = false;
+          }
         }, false);
       }
-      </script>
+    </script>
   </head>
-  <body onload="registerClickListener()">
+  <body onload="loader()">
       <a href="https://github.com/Chalarangelo/30-seconds-of-code" class="github-corner" aria-label="View source on Github"><svg width="56" height="56" viewBox="0 0 250 250" style="fill:#151513; color:#e15564; position: absolute; top: 0; border: 0; right: 0; z-index: 1000" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a><style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style>
     <div id="splash">
       <h1 id="logo"><img src="https://30secondsofcode.org/favicon.png" alt="logo"> 30 seconds of code</h1>
diff --git a/static-parts/beginner-page-start.html b/static-parts/beginner-page-start.html
index f343224e0..f2a219cd5 100644
--- a/static-parts/beginner-page-start.html
+++ b/static-parts/beginner-page-start.html
@@ -13,16 +13,68 @@
     <meta property="og:type" content="website" /><meta property="og:image" content="favicon.png">
     <link rel="icon" type="image/png" href="favicon.png">
     <script>
+      function scrollToTop(){
+        const c = document.querySelector('body').scrollTop;
+        if (c > 0) {
+          window.requestAnimationFrame(scrollToTop);
+          document.querySelector('body').scrollTo(0, c - c / 4);
+        }
+      };
+      function scrollTo(element, to, id, duration) {
+        if (duration <= 0) return;
+        var difference = to - element.scrollTop;
+        var perTick = difference / duration * 40;
+
+        setTimeout(function() {
+            element.scrollTop = element.scrollTop + perTick;
+            if (element.scrollTop === to) {
+              window.location.href = "#"+id;
+              return;
+            }
+            scrollTo(element, to, id, duration - 40);
+        }, 40);
+      };
+      function loader() {
+        registerClickListener();
+      }
       function registerClickListener() {
         document.addEventListener('click', function (event) {
           if ( event.target.classList.contains('collapse') ) {
             event.target.classList = event.target.classList.contains('toggled') ? 'collapse' : 'collapse toggled';
           }
+          else if (event.target.classList.contains('clipboard-copy')) {
+            const text = event.target.parentElement.parentElement.querySelector(':not(pre) + pre').textContent;
+            const textArea = document.createElement("textarea");
+            textArea.value = text.trim();
+            document.body.appendChild(textArea);
+            textArea.select();
+            document.execCommand("Copy");
+            document.body.removeChild(textArea);
+            let tst = document.createElement('div');
+            tst.classList = 'toast';
+            tst.innerHTML = 'Snippet copied to clipboard!';
+            document.body.appendChild(tst);
+            setTimeout(function() {
+              tst.style.opacity = 0;
+              setTimeout(function() {
+                document.body.removeChild(tst);
+              },300);
+            },1700);
+          }
+          else if (event.target.classList.contains('scroll-to-top')){
+            scrollToTop();
+          }
+          else if (event.target.classList.contains('sublink-1')){
+            if(event.target.getAttribute("href").includes('./')) return;
+            event.preventDefault();
+            scrollTo(document.querySelector('main'), document.getElementById(event.target.href.split('#')[1]).parentElement.offsetTop - 60, event.target.href.split('#')[1], 400);
+            document.getElementById('doc-drawer-checkbox').checked = false;
+          }
         }, false);
       }
-      </script>
+    </script>
   </head>
-  <body onload="registerClickListener()">
+  <body onload="loader()">
       <a href="https://github.com/Chalarangelo/30-seconds-of-code" class="github-corner" aria-label="View source on Github"><svg width="56" height="56" viewBox="0 0 250 250" style="fill:#151513; color:#e15564; position: absolute; top: 0; border: 0; right: 0; z-index: 1000" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a><style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style>
     <div id="splash">
       <h1 id="logo"><img src="https://30secondsofcode.org/favicon.png" alt="logo"> 30 seconds of code</h1>
