From 52fefb53d73b734e8fdafcdba63f20ecceea390e Mon Sep 17 00:00:00 2001
From: Sharath <sharath.vishaal@venbainfotech.com>
Date: Wed, 22 Nov 2023 10:20:58 +0530
Subject: [PATCH] WORK AREA-SV

---
 addform.html         | 413 +++++++++++++++++++++-
 package-lock.json    | 802 ++++++++++++++++++++++++++++++++++++++++++-
 package.json         |   1 +
 rtc_hide_and_show.js |   4 +-
 4 files changed, 1197 insertions(+), 23 deletions(-)

diff --git a/addform.html b/addform.html
index 433e27b..bcc2ad9 100644
--- a/addform.html
+++ b/addform.html
@@ -56,9 +56,10 @@
 	<script src="./node_modules/quill-resize-module/dist/resize.js"></script>
 	<link rel="stylesheet" href="./node_modules/quill-resize-module/dist/resize.css">
 
-	
-	
-	
+	<script src="https://html2canvas.hertzen.com/dist/html2canvas.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.6/clipboard.min.js"></script>
+	<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
+	<script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
 	<style>
 		
 		/* body { */
@@ -168,6 +169,7 @@
 			transition: height 0.5s ease;
 		}
 
+
 		math-field{
 			border-radius: 6px;
 			font-size:18px; 
@@ -182,7 +184,7 @@
 			float: right;
 			text-align: -webkit-right;         
         }
-		  
+		
        
 </style>
 
@@ -240,7 +242,7 @@
 
 	#sidebar-wrapper {
 	min-height: 100vh;
-	flex-basis:20%;
+	flex-basis:21%;
 	width:300px;
 	margin-left: -15rem;
 	transition: margin 0.25s ease-out;
@@ -357,6 +359,37 @@
 	  color: #bf303b;      
 	  /* background: #bf303b; */
 	}
+	.work-area{
+		background-color: transparent;
+	  position: fixed;
+	  top:81px;
+	  right: 10px;
+      border: none;
+      border-radius: 15%; /* Make the button round */
+      width: 40px; /* Set the width and height of the button */
+      height: 40px;
+      transition: box-shadow 0.3s, background-color 0.3s; 
+	  color: #bf303b;
+	     
+	}
+	.work-area1{
+	 background-color: transparent;
+	  position: absolute;
+	  top:-8px;
+	  left:-18px;
+	  border-width:0;
+      transform:rotate(58deg);
+      transition: box-shadow 0.3s, background-color 0.3s; 
+	  color: #bf303b;
+	     
+	}
+	.work-area1::before{
+		content: '\2BC7';
+        font-size: 24px;
+	}
+	.work-area::before{
+		content:'\2630';
+	}
 	.menu-symbol {
 	  position:absolute;
 	  right:0;
@@ -391,8 +424,6 @@
 	
 </style>
 
-
-</style>
 <style>
 	/* Styles for the overlay background */
 	.overlay {
@@ -536,15 +567,133 @@ h1.title{
 	font-weight: 400;
 	color: #1d3557;
 	padding-bottom: 10px;
-}
-
-		
+}	
     </style>
+<style>
+    body {
+        margin: 0;
+        font-family: 'Arial', sans-serif;
+    }
+
+    .sidebar {
+        height: 100%;
+        width: 0;
+        position: fixed;
+        top: 0;
+        right: 0;
+        background-color: #ffffff;
+        overflow-x: hidden;
+        transition: 0.5s;
+        padding-top: 60px;
+        z-index: 2;
+		border-left: 1px solid;
+    }
+
+    .chat-box {
+        padding: 20px;
+        color: white;
+        height: 100%;
+        display: flex;
+        flex-direction: column;
+        justify-content: space-between;
+        position: relative;
+        z-index: 100;
+    }
+
+    #messages {
+        max-height: calc(100% - 60px);
+        overflow-y: auto;
+        margin-bottom: 10px;
+    }
+
+    #messageForm {
+        margin-top: auto;
+    }
+
+    textarea {
+        height: 40px;
+    }
+
+    input {
+        flex: 1;
+        padding: 10px;
+    }
+
+	.message{
+		position: relative;
+		right: 85px;
+	}
+
+    button {
+        padding: 10px;
+        cursor: pointer;
+    }
+
+    #sidebarToggle2 {
+        position: fixed;
+        top: 60px;
+        right: -7px;
+        font-size: 20px;
+        cursor: pointer;
+    }
+
+    .content {
+        margin-right: 0;
+        transition: margin-right 0.5s;
+    }
+
+    .sidebar-open .content {
+        margin-right: 250px;
+    }
+
+    .sidebar::before {
+        content: '\2BC7'; /* Unicode character for the close arrow (adjust as needed) */
+        position: absolute;
+        top: 10px;
+        left: 10px;
+        font-size: 24px;
+        cursor: pointer;
+    }
+
+    .work-area::before {
+        content: '\2BC7'; /* Unicode character for the open arrow (adjust as needed) */
+        font-size: 24px;
+    }
+
+    .worksection.ql-snow {
+        height: 100px;
+        overflow-y: scroll;
+		border-top: 1px solid #ccc !important;
+    }
+	mjx-container[jax="CHTML"][display="true"] {
+		text-align: left !important;
+		color: black;
+}
+.sendMessageButton{
+	display: inline-block;
+    color: #fff;
+    font-weight: 400;
+    padding: 2px 0px;
+    text-transform: capitalize;
+    transition: 0.5s;
+    font-size: 15px;
+    position: relative;
+    z-index: 1;
+    border-radius: 5px;
+    overflow: hidden;
+    /* margin-top: 5px; */
+    /* background: linear-gradient(to right,#533dfd,#730fd5); */
+    background: linear-gradient(to right,darkred, #BF303B);
+    border: none;
+    /* margin-right: 15px; */
+    width: 85px;
+}
+</style>
+
 
 </head>
 <body>
 
-
 	<!-- loder -->
     <div class="loader-wrapper">
       <div class="loader"></div>
@@ -568,6 +717,7 @@ h1.title{
 							<li><a href="dashboard.html"><img class="addPageMenu" src="assets/images/home.svg" alt="">Home</a></li>
 							<li><a href="#" class="myBtn" onclick="saveFile()" id="SaveButton"><img class="addPageMenu" src="assets/images/save.svg" alt="">Save</a></li>
 							<li><a href="#" id="editPreview" ><img class="addPageMenu" src="assets/images/preview.svg" alt="">Preview</a></li>
+							
 						</ul>
 					</div>
 				</div>
@@ -577,6 +727,7 @@ h1.title{
 </div>
 	
 <button class="menu-symbol1" id="sidebarToggle1"></button>
+<button class="work-area"id="sidebarToggle2"></button>
 	<!-- QuestionPapper Container start -->
 	<div class="d-flex" id="wrapper">
 				<!-- Sidebar-->
@@ -587,7 +738,209 @@ h1.title{
 			    </div>
             	</div>
 			<!-- sidebar end -->
+			<script>
+				document.addEventListener('DOMContentLoaded', function () {
+					// Initialize Quill with your specific configuration
+					var quill = new Quill('#workarea', {
+						theme: 'snow',
+						modules: {
+							toolbar: {
+								container: toolbarOptions,
+								clipboard: {
+									matchVisual: true,
+								},
+								ImageResize: {
+									displaySize: true,
+									modules: ['Resize', 'DisplaySize', 'Toolbar']
+								}
+							},
+						}
+					});
+				
+					var chat_Div = $("#workarea");
+					var chat_previousDiv = chat_Div.prev();
+					chat_previousDiv.attr("id", "messageInput_rtc");
+					var chatRtc = 'messageInput_rtc';
+				
+					$('#workarea').focus(function () {
+						rtc_hide_and_show(chatRtc);
+					});
+				
+					document.getElementById('sidebarToggle2').addEventListener('click', function () {
+						var sidebar = document.getElementById('rightSidebar');
+						document.body.classList.toggle('sidebar-open');
+						if (sidebar.style.width === '250px') {
+							sidebar.style.width = '0';
+						} else {
+							sidebar.style.width = '250px';
+						}
+					});
 
+					document.getElementById('sidebarToggle3').addEventListener('click', function () {
+						var sidebar = document.getElementById('rightSidebar');
+						document.body.classList.toggle('sidebar-open');
+						if (sidebar.style.width === '250px') {
+							sidebar.style.width = '0';
+						} else {
+							sidebar.style.width = '250px';
+						}
+					});
+				
+					document.getElementById('sendMessageButton').addEventListener('click', function () {
+						sendMessage(quill);
+					});
+				
+					document.getElementById('workarea').addEventListener('keydown', function (event) {
+						if (event.key === 'Enter') {
+							event.preventDefault();
+							sendMessage(quill);
+						}
+					});
+				
+					// Add Math functionality
+					var mathCheckbox = document.getElementById('Choicemath_messageInput');
+					var mathField = document.getElementById('workarea_math');
+					var richText = document.getElementById('workarea');
+					// Ensure MathQuill field is initially hidden
+					$(mathField).hide();
+					// $(richText1).show();
+					mathCheckbox.addEventListener('change', function () {
+						if (mathCheckbox.checked) {
+							$(mathField).show();
+							$(richText).hide();
+							rtc_hide_and_show(chatRtc);
+						} else {
+							$(mathField).hide();
+							$(richText).show();
+							rtc_hide_and_show(chatRtc);
+						}
+					});
+				
+					// Initialize Math Field
+					var mathFieldId = 'workarea_math';
+					var mathFieldDiv = document.getElementById(mathFieldId);
+					var mathFieldPreviousDiv = $(mathFieldDiv).prev();
+					var mathRTEId = "workarea_math_rtc";
+					mathFieldPreviousDiv.attr("id", mathRTEId);
+				
+					mathFieldDiv.addEventListener('click', function () {
+						var id = localStorage.getItem('rtc');
+						var hideid = document.getElementById(id);
+						$(hideid).hide();
+						$(mathFieldPreviousDiv).show();
+						localStorage.setItem('rtc', mathRTEId);
+					});
+					$(mathFieldPreviousDiv).hide();
+				});
+				
+				async function sendMessage(quill) {
+					var workarea = document.getElementById('workarea');
+					var mathField = document.getElementById('workarea_math');
+					var messagesContainer = document.getElementById('messages');
+					console.log("workarea",workarea);		
+					console.log("mathField",mathField);
+					console.log("messagesContainer",messagesContainer);
+
+					var content = '';
+
+					// Check if the checkbox is checked
+					if ($('#Choicemath_messageInput').prop('checked')) {
+						// Use MathQuill API to get the math field content
+						var mathFieldContent = mathField.getValue();
+						
+						content = await convertToLatex(mathFieldContent);
+					} else {
+						content = quill.root.innerHTML.trim();
+					}
+
+					// Log the content to the console
+					console.log("Message Content: ", content);
+
+					if (content !== '') {
+												
+						// var messageElement = document.createElement('div');
+						// messageElement.className = 'message';
+						messagesContainer.innerHTML += content;
+
+							// Append the div to the messagesContainer
+							// messagesContainer.appendChild(messageElement);	
+						MathJax.typeset([messagesContainer]);
+
+						if ($('#Choicemath_messageInput').prop('checked')) {
+							// Clear the math field content
+							// mathField.latex('');
+						} else {
+							quill.setText('');
+						}
+
+						messagesContainer.scrollTop = messagesContainer.scrollHeight;
+					}
+				}
+				async function convertToLatex(text, mathstatus) {
+					// Parse mathstatus into a boolean
+					const mathStatusBoolean = true
+					// Check if the text contains <p> tags
+					
+					console.log("ff")
+					return new Promise(async(resolve, reject) => {
+						
+						if (!/<p>|<\/p>/i.test(text)) {
+						console.log('text:' , text)
+						if (mathStatusBoolean) {
+							console.log('text1:' , text)
+							// Use MathJax to convert the text to LaTeX
+							const cov = await MathJax.tex2chtml(text).outerHTML;
+							console.log('cov:' , cov);
+							resolve(cov);
+							//return cov;
+						} else {
+							// Return the text as-is
+							resolve(text);
+							//return text;
+						}
+					} else {
+						console.log("pq")
+						const cov = await MathJax.tex2chtml(text).outerHTML;
+						console.log('cov:' , cov)
+						resolve(cov);
+						//return cov;
+					}
+					
+					});
+					
+				}
+				</script>
+				
+				<div class="sidebar" id="rightSidebar">
+					<div class="chat-box">
+						<button class="work-area1" id="sidebarToggle3"></button>
+						<h2>Work Area</h2>
+						<div id="messages" class="chat-history" ></div>
+						<form id="messageForm" action="#" method="post" onsubmit="sendMessage(); return false;">
+							<fieldset>
+								<!-- The contentEditable div for Quill -->
+								<div class="row">
+									<div class="col-12">
+										<div class="richText worksection" id="workarea" contentEditable="true" placeholder="Type your message and press Enter..."></div>
+									</div>
+									<div class="col-12">
+										<div>
+											<math-field id="workarea_math" style="width: 100%; " contenteditable="true"></math-field>
+										</div>
+		
+									</div>
+									<div class="col-6 items2" style="display: flex; align-items: center;">
+										<input style="width:14px; height:14px; margin-right: 5px;" type="checkbox" id="Choicemath_messageInput"/>
+										<span class="math">Math</span>
+									</div>
+									<div class="col-6" style="display: flex; align-items: center;">
+										<button id="sendMessageButton" class="sendMessageButton" type="button">Send</button>
+									</div>
+								</div>
+							</fieldset>
+						</form>
+					</div>
+				</div> 
 	
 	<div class="container">
 
@@ -779,6 +1132,7 @@ h1.title{
 
 	<!-- RTC Hide and Show Script -->
 	<script src="rtc_hide_and_show.js"></script>
+	<!-- <script src="QuestionPaperPreview.js"></script> -->
 
 	<!-- decrypt -->
 	<script src="decode.js"></script>
@@ -862,15 +1216,15 @@ $(document).ready(function() {
 })
 
 
-$(document).on("click", function (event) {
+// $(document).on("click", function (event) {
 
 	
-	var questionPaperDiv = $(".QuestionPaperClass");
-	if (!questionPaperDiv.is(event.target) && questionPaperDiv.has(event.target).length === 0) {
-		$('.ql-toolbar').hide();
-	}
+// 	var questionPaperDiv = $(".QuestionPaperClass");
+// 	if (!questionPaperDiv.is(event.target) && questionPaperDiv.has(event.target).length === 0) {
+// 		$('.ql-toolbar').hide();
+// 	}
 
-});
+// });
 
 
 document.addEventListener('DOMContentLoaded', function () {
@@ -1062,6 +1416,22 @@ var quill = new Quill('#Question_description', {
 }
 });
 
+// var quill = new Quill('#workarea', {
+// 	theme: 'snow', 
+// 	modules: {
+// 	toolbar:{ 
+// 	container:toolbarOptions,
+// 	clipboard: {
+// 	matchVisual: true,
+// 	},
+// 	ImageResize:{
+// 		displaySize:true,
+// 		modules: [ 'Resize', 'DisplaySize', 'Toolbar' ]
+// 	}
+// 	},
+// }
+// });
+
 var quill = new Quill('#ql-editor',{
 	theme:'snow',
 	module:{
@@ -1093,7 +1463,9 @@ rtc_hide_and_show(setitem);
 });		
 
 var Question_description_Div = $("#Question_description");
+console.log("Question_description_Div",Question_description_Div);
 var Question_description_previousDiv = Question_description_Div.prev();
+console.log("Question_description_previousDiv",Question_description_previousDiv);
 Question_description_previousDiv.attr("id", "Question_description_rtc");
 var questionDescriptionRtc = 'Question_description_rtc';
 $('#Question_description').focus(function() {
@@ -1102,6 +1474,13 @@ rtc_hide_and_show(questionDescriptionRtc);
 
 });	
 
+// var chat_Div = $("#workarea");
+// var chat_previousDiv = chat_Div.prev();
+// chat_previousDiv.attr("id", "messageInput_rtc");
+// var chatRtc = 'messageInput_rtc';
+// $('#workarea').focus(function() {
+// 	rtc_hide_and_show(chatRtc);
+// });
 
 var checkboxElement = document.createElement('input');
 checkboxElement.type = 'checkbox';
diff --git a/package-lock.json b/package-lock.json
index 884dd68..5b21d18 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -25,6 +25,7 @@
         "jquery-ui": "^1.13.2",
         "jsdom": "^22.1.0",
         "mathjax": "^3.2.2",
+        "mathjax-node": "^2.1.1",
         "mathlive": "^0.95.5",
         "quill": "^1.3.7",
         "quill-image-resize": "^3.0.9",
@@ -396,6 +397,45 @@
       "resolved": "https://registry.npmjs.org/abab/-/abab-2.0.6.tgz",
       "integrity": "sha512-j2afSsaIENvHZN2B8GOpF566vZ5WVk5opAiMTvWgaQT8DkbOqsTfvNAvHoRGU2zzP8cPoqys+xHTRDWW8L+/BA=="
     },
+    "node_modules/acorn": {
+      "version": "5.7.4",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+      "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==",
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/acorn-globals": {
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-4.3.4.tgz",
+      "integrity": "sha512-clfQEh21R+D0leSbUdWf3OcfqyaCSAQ8Ryq00bofSekfr9W8u1jyYZo6ir0xu9Gtcf7BjcHJpnbZH7JOCpP60A==",
+      "dependencies": {
+        "acorn": "^6.0.1",
+        "acorn-walk": "^6.0.1"
+      }
+    },
+    "node_modules/acorn-globals/node_modules/acorn": {
+      "version": "6.4.2",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.2.tgz",
+      "integrity": "sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==",
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/acorn-walk": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-6.2.0.tgz",
+      "integrity": "sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==",
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
     "node_modules/agent-base": {
       "version": "6.0.2",
       "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
@@ -422,6 +462,21 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
     "node_modules/ansi-regex": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.1.tgz",
@@ -444,11 +499,35 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
+    "node_modules/array-equal": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/array-equal/-/array-equal-1.0.2.tgz",
+      "integrity": "sha512-gUHx76KtnhEgB3HOuFYiCm3FIdEs6ocM2asHvNTkfu/Y09qQVrrVVaOKENmS2KkSaGoxgXNqC+ZVtR/n0MOkSA==",
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/asap": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/asap/-/asap-2.0.6.tgz",
       "integrity": "sha512-BSHWgDSAiKs50o2Re8ppvp3seVHXSRM44cdSsT9FfNEUUZLOGWVCsiWaRPWM1Znn+mqZ1OfVZ3z3DWEzSp7hRA=="
     },
+    "node_modules/asn1": {
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
+      "integrity": "sha512-ix/FxPn0MDjeyJ7i/yoHGFt/EX6LyNbxSEhPPXODPL+KB0VPk86UYfL0lMdy+KCnv+fmvIzySwaK5COwqVbWTQ==",
+      "dependencies": {
+        "safer-buffer": "~2.1.0"
+      }
+    },
+    "node_modules/assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha512-NfJ4UzBCcQGLDlQq7nHxH+tv3kyZ0hHQqF5BO6J7tNJeP5do1llPr8dZ8zHonfhAu0PHAdMkSo+8o0wxg9lZWw==",
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/astral-regex": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-2.0.0.tgz",
@@ -457,6 +536,11 @@
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+      "integrity": "sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==",
+      "dependencies": {
+        "psl": "^1.1.28",
+        "punycode": "^2.1.1"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
+    "node_modules/request/node_modules/uuid": {
+      "version": "3.4.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
+      "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A==",
+      "deprecated": "Please upgrade  to version 7 or higher.  Older versions may use Math.random() in certain circumstances, which is known to be problematic.  See https://v8.dev/blog/math-random for details.",
+      "bin": {
+        "uuid": "bin/uuid"
+      }
+    },
     "node_modules/requires-port": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
@@ -3317,6 +3988,25 @@
       "resolved": "https://registry.npmjs.org/rrweb-cssom/-/rrweb-cssom-0.6.0.tgz",
       "integrity": "sha512-APM0Gt1KoXBz0iIkkdB/kfvGOwC4UuJFeG/c+yV7wSc7q96cG/kJ0HiYCnzivD9SB53cLV1MlHFNfOuPaadYSw=="
     },
+    "node_modules/safe-buffer": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
     "node_modules/safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@@ -3453,6 +4143,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/source-map": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+      "optional": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/spdx-correct": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.2.0.tgz",
@@ -3492,6 +4191,38 @@
       "dev": true,
       "optional": true
     },
+    "node_modules/sshpk": {
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.18.0.tgz",
+      "integrity": "sha512-2p2KJZTSqQ/I3+HX42EpYOa2l3f8Erv8MWKsy2I9uf4wA7yFIkXRffYdsx86y6z4vHtV8u7g+pPlr8/4ouAxsQ==",
+      "dependencies": {
+        "asn1": "~0.2.3",
+        "assert-plus": "^1.0.0",
+        "bcrypt-pbkdf": "^1.0.0",
+        "dashdash": "^1.12.0",
+        "ecc-jsbn": "~0.1.1",
+        "getpass": "^0.1.1",
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.0.2",
+        "tweetnacl": "~0.14.0"
+      },
+      "bin": {
+        "sshpk-conv": "bin/sshpk-conv",
+        "sshpk-sign": "bin/sshpk-sign",
+        "sshpk-verify": "bin/sshpk-verify"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/stealthy-require": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/stealthy-require/-/stealthy-require-1.1.1.tgz",
+      "integrity": "sha512-ZnWpYnYugiOVEY5GkcuJK1io5V8QmNYChG62gSit9pQVGErXtrKuPC55ITaVSukmMta5qpMU7vqLt2Lnni4f/g==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
@@ -3651,6 +4382,33 @@
         "node": ">=0.8.0"
       }
     },
+    "node_modules/tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==",
+      "dependencies": {
+        "safe-buffer": "^5.0.1"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha512-KXXFFdAbFXY4geFIwoyNK+f5Z1b7swfXABfL7HXCmoIWMKU3dmS26672A4EeQtDzLKy7SXmfBu51JolvEKwtGA=="
+    },
+    "node_modules/type-check": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
+      "integrity": "sha512-ZCmOJdvOWDBYJlzAoFkC+Q0+bUyEOS1ltgp1MGU03fqHG+dbi9tBFU2Rd9QKiDZFAYrhPh2JUf7rZRIuHRKtOg==",
+      "dependencies": {
+        "prelude-ls": "~1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.8.0"
+      }
+    },
     "node_modules/type-fest": {
       "version": "0.13.1",
       "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.13.1.tgz",
@@ -3699,6 +4457,14 @@
         "node": ">=8"
       }
     },
+    "node_modules/uri-js": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
+      "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
+      "dependencies": {
+        "punycode": "^2.1.0"
+      }
+    },
     "node_modules/url-parse": {
       "version": "1.5.10",
       "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.5.10.tgz",
@@ -3730,6 +4496,28 @@
         "spdx-expression-parse": "^3.0.0"
       }
     },
+    "node_modules/verror": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+      "integrity": "sha512-ZZKSmDAEFOijERBLkmYfJ+vmk3w+7hOLYDNkRCuRuMJGEmqYNCNLyBBFwWKVMhfwaEF3WOd0Zlw86U/WC/+nYw==",
+      "engines": [
+        "node >=0.6.0"
+      ],
+      "dependencies": {
+        "assert-plus": "^1.0.0",
+        "core-util-is": "1.0.2",
+        "extsprintf": "^1.2.0"
+      }
+    },
+    "node_modules/w3c-hr-time": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/w3c-hr-time/-/w3c-hr-time-1.0.2.tgz",
+      "integrity": "sha512-z8P5DvDNjKDoFIHK7q8r8lackT6l+jo/Ye3HOle7l9nICP9lf1Ci25fy9vHd0JOWewkIFzXIEig3TdKT7JQ5fQ==",
+      "deprecated": "Use your platform's native performance.now() and performance.timeOrigin.",
+      "dependencies": {
+        "browser-process-hrtime": "^1.0.0"
+      }
+    },
     "node_modules/w3c-xmlserializer": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-4.0.0.tgz",
@@ -3795,6 +4583,14 @@
         "node": ">= 8"
       }
     },
+    "node_modules/word-wrap": {
+      "version": "1.2.5",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
+      "integrity": "sha512-BN22B5eaMMI9UMtjrGd5g5eCYPpCPDUy0FJXbYsaT5zYxjFOckS53SQDE3pWkVoWpHXVb3BrYcEN4Twa55B5cA==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
diff --git a/package.json b/package.json
index 73206d0..1601104 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
     "jquery-ui": "^1.13.2",
     "jsdom": "^22.1.0",
     "mathjax": "^3.2.2",
+    "mathjax-node": "^2.1.1",
     "mathlive": "^0.95.5",
     "quill": "^1.3.7",
     "quill-image-resize": "^3.0.9",
diff --git a/rtc_hide_and_show.js b/rtc_hide_and_show.js
index cab9458..2a95107 100644
--- a/rtc_hide_and_show.js
+++ b/rtc_hide_and_show.js
@@ -1,18 +1,16 @@
 function rtc_hide_and_show(rtcid) {
 	
-    // console.log('show id :'+rtcid)
     var id = localStorage.getItem('rtc');
     var hideid = document.getElementById(id);
     // console.log('hide id :' + id)
     $(hideid).hide();
-
     var showid = document.getElementById(rtcid);    
+    console.log('hide id :' + id)
     $(showid).show();
     localStorage.setItem('rtc',rtcid);
     
 };	
 
-
 function add_button_hide_and_show(BtnID){
 
     // console.log('show id :'+BtnID)