From 6177dcecb872076a33c24f08b6de8d98ff3cf567 Mon Sep 17 00:00:00 2001
From: Kato Twofold <contact@justkato.me>
Date: Wed, 1 Jun 2022 16:58:09 +0300
Subject: [PATCH] Appearance updates + Improved scroll bar look + Implemented a
 preview mode

---
 static/css/main.css       | 49 ++++++++++++++++++++++++++++++++++++++-
 static/js/pad-scripts.js  | 48 +++++++++++++++++++++++++++++++++++---
 templates/pages/page.html | 24 ++++++++++++++++---
 3 files changed, 114 insertions(+), 7 deletions(-)

diff --git a/static/css/main.css b/static/css/main.css
index b5e498a..4ae39e4 100644
--- a/static/css/main.css
+++ b/static/css/main.css
@@ -35,6 +35,29 @@ main#main-card {
     right: .5rem;
 }
 
+.hidden {
+    display: none !important;
+}
+
+#pad-content-area {
+    position: relative;
+
+    display: flex;
+    flex-flow: column;
+}
+
+#pad-content-toggler {
+    position: absolute;
+    top: .5rem;
+    right: .5rem;
+
+    user-select: none;
+}
+
+#textarea-preview {
+    max-height: calc(20rem + 30vh);
+    overflow: auto;
+}
 
 textarea:focus,
 input[type="text"]:focus,
@@ -55,4 +78,28 @@ input[type="color"]:focus,
   border-color: none;
   box-shadow: none;
   outline: 0 none;
-}
\ No newline at end of file
+}
+
+
+/* ===== Scrollbar CSS ===== */
+  /* Firefox */
+  * {
+    scrollbar-width: thin;
+    scrollbar-color: #3b3b3b #ffffff00;
+  }
+
+  /* Chrome, Edge, and Safari */
+  *::-webkit-scrollbar {
+    width: 7px;
+    height: 7px;
+  }
+
+  *::-webkit-scrollbar-track {
+    background: #ffffff00;
+  }
+
+  *::-webkit-scrollbar-thumb {
+    background-color: #3b3b3b;
+    border-radius: 2px;
+    border: 1px solid #ffffff00;
+  }
\ No newline at end of file
diff --git a/static/js/pad-scripts.js b/static/js/pad-scripts.js
index e8592b3..b66064c 100644
--- a/static/js/pad-scripts.js
+++ b/static/js/pad-scripts.js
@@ -16,6 +16,11 @@ function sendMyData(el) {
 
     el.setAttribute(`readonly`, `1`);
 
+    const textareaPreview = document.getElementById(`textarea-preview`)
+    if ( !!textareaPreview ) {
+        textareaPreview.textContent = el.value;
+    }
+
     formData.set("content", el.value);
 
     updateStatus(`Attempting to save...`, `text-warning`);
@@ -184,11 +189,39 @@ function generateQRCode() {
     MicroModal.show(`qrmodal`)
 }
 
-document.addEventListener(`DOMContentLoaded`, e => {
+function toggleTextareaPreview() {
+    setTextareaPreview( !document.getElementById(`pad-content-toggler`).classList.contains(`read-only`) )
+}
 
-    { // Textarea Focusing
-        const textarea = document.getElementById(`pad-content`);
+// t == true - Read Only
+// t == false - Edit mode
+function setTextareaPreview( t = true ) {
+    const prev     = document.getElementById(`textarea-preview`)
+    const textarea = document.getElementById(`pad-content`);
+    const toggler  = document.getElementById(`pad-content-toggler`);
 
+    const togglerEdit = toggler.querySelector(`.edit-content-text`);
+    const togglerView = toggler.querySelector(`.view-content-text`);
+
+    if ( t ) {
+        // Toggle read only
+        prev.classList.remove(`hidden`)
+        toggler.classList.add(`read-only`);
+
+        togglerEdit.classList.remove(`hidden`);
+        togglerView.classList.add(`hidden`);
+
+        textarea.classList.add(`hidden`);
+    } else {
+        // Toggle edit mode
+        prev.classList.add(`hidden`)
+        toggler.classList.remove(`read-only`);
+
+        togglerEdit.classList.add(`hidden`);
+        togglerView.classList.remove(`hidden`);
+
+
+        textarea.classList.remove(`hidden`);
         // Focus
         textarea.focus();
         // Scroll
@@ -197,6 +230,15 @@ document.addEventListener(`DOMContentLoaded`, e => {
         textarea.setSelectionRange(textarea.value.length, textarea.value.length);
     }
 
+}
+
+document.addEventListener(`DOMContentLoaded`, e => {
+
+    { // Textarea Handling
+        const textarea = document.getElementById(`pad-content`);
+        setTextareaPreview( !!textarea.value );
+    }
+
     { // Archives
         renderArchivesSelection()
     }
diff --git a/templates/pages/page.html b/templates/pages/page.html
index 8e6f197..1323dfd 100644
--- a/templates/pages/page.html
+++ b/templates/pages/page.html
@@ -35,9 +35,27 @@
 
         <h2 class="mb-4">{{.title}}</h2>
 
-        <textarea maxlength="{{.maximumPadSize}}" name="pad-content" id="pad-content" onchange="sendMyData(this)"
-            onkeydown="updateStatus(`Not Saved`, `text-warning`); toggleWritingWatch(this)"
-            class="form-control">{{.post_content}}</textarea>
+        <div id="pad-content-area">
+            <div class="btn-sm btn" id="pad-content-toggler" onclick="toggleTextareaPreview()">
+                <span class="edit-content-text" title="Edit Content">
+                    <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-pencil" viewBox="0 0 16 16">
+                        <path d="M12.146.146a.5.5 0 0 1 .708 0l3 3a.5.5 0 0 1 0 .708l-10 10a.5.5 0 0 1-.168.11l-5 2a.5.5 0 0 1-.65-.65l2-5a.5.5 0 0 1 .11-.168l10-10zM11.207 2.5 13.5 4.793 14.793 3.5 12.5 1.207 11.207 2.5zm1.586 3L10.5 3.207 4 9.707V10h.5a.5.5 0 0 1 .5.5v.5h.5a.5.5 0 0 1 .5.5v.5h.293l6.5-6.5zm-9.761 5.175-.106.106-1.528 3.821 3.821-1.528.106-.106A.5.5 0 0 1 5 12.5V12h-.5a.5.5 0 0 1-.5-.5V11h-.5a.5.5 0 0 1-.468-.325z"/>
+                    </svg>
+                </span>
+                <span class="view-content-text hidden" title="ReadOnly">
+                    <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-eyeglasses" viewBox="0 0 16 16">
+                        <path d="M4 6a2 2 0 1 1 0 4 2 2 0 0 1 0-4zm2.625.547a3 3 0 0 0-5.584.953H.5a.5.5 0 0 0 0 1h.541A3 3 0 0 0 7 8a1 1 0 0 1 2 0 3 3 0 0 0 5.959.5h.541a.5.5 0 0 0 0-1h-.541a3 3 0 0 0-5.584-.953A1.993 1.993 0 0 0 8 6c-.532 0-1.016.208-1.375.547zM14 8a2 2 0 1 1-4 0 2 2 0 0 1 4 0z"/>
+                    </svg>
+                </span>
+            </div>
+
+            <pre id="textarea-preview" class="form-control hidden">{{.post_content}}</pre>
+
+            <textarea maxlength="{{.maximumPadSize}}" name="pad-content" id="pad-content" onchange="sendMyData(this)"
+                onkeydown="updateStatus(`Not Saved`, `text-warning`); toggleWritingWatch(this)"
+                class="form-control hidden">{{.post_content}}</textarea>
+        </div>
+
 
         <div id="pad-status" class="my-4 row">
             <div class="col-md-12 col-lg-4 col-xl-4" title="Status">