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caesar-enc practice first ver #12

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82 changes: 82 additions & 0 deletions m1.lesson2.caesar-encryption/encryptor.css
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html,body{
width: 100%;
height: 100%;
font-size: 15px;
}
button{
font-size: 15px;
width: 100%;
}
button:focus {
outline:0;
}
.Container{
margin: 50px auto;
width: 40%;
height: 50%;
display: flex;
flex-wrap: wrap;
}
.Nav{
height: 20%;
width:50%;
}
#btnNavEncr,#btnNavDecr{
height: 100%;
}
#encrypt,#decrypt{
width:100%;
height: 100%;
flex-direction: column;
background: wheat;
}
.row{
height: 25%;
width: 100%;
display: flex;
}
.element{
margin-top:10%;
margin-left:10%;
}
#codeKeyEnc,#codeKeyDec{
width: 50%;
height: 28%;
margin-top:8%;
margin-left:3%;
}
label{
margin-right: 12px;
}
input[type="number"]{
width: 30%;
margin-bottom: 15px;
}
.btnCode{
width: 50%;
height: 40%;
background: rgb(72, 125, 134);
border-radius: 5px;
}
input[type="text"]{
width: 50%;
height: 30%;
}
p{
width: 50%;
height: 37%;
margin-top: 25px;
background: white;
vertical-align: middle;
}
.visiblity {
display: none;
}
.selected{
background: gray;
}
.displayFlex{
display: flex;
}


18 changes: 18 additions & 0 deletions m1.lesson2.caesar-encryption/encryptor.html
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,25 @@
<head>
<meta charset="UTF-8">
<title>Caesar encryption</title>
<link rel="stylesheet" href="encryptor.css">
</head>
<body>
<div class = "Container">
<div class = "Nav" ><button id ="btnNavEncr">encryption</button></div>
<div class = "Nav" ><button id ="btnNavDecr">decryption</button></div>
<div id ="encrypt">
<div class ="row"><label class = "element">Key:</label> <input id ="codeKeyEnc" type="number" min="0"></div>
<div class ="row"><input placeholder = "Enter code" class ="element" id= "inpTextEnc" type="text"></div>
<div class ="row"><button class = "element btnCode">Encrypt</button></div>
<div class ="row"><label class = "element">Output:</label><p id = "pOutputEnc"></p></div>
</div>
<div id ="decrypt">
<div class ="row"><label class = "element">Key:</label> <input id ="codeKeyDec" type="number" min="0"></div>
<div class ="row"><input placeholder = "Enter code" class ="element" id= "inpTextDec" type="text"></div>
<div class ="row"><button class = "element btnCode">Decrypt</button></div>
<div class ="row"><label class = "element">Output:</label><p id = "pOutputDec"></p></div>
</div>
</div>
<script type="text/javascript" src="encryptor.js"></script>
</body>
</html>
112 changes: 112 additions & 0 deletions m1.lesson2.caesar-encryption/encryptor.js
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let btnPressed;

const btnTabEncrypt = document.querySelector("#btnNavEncr");
const btnTabDecrypt = document.querySelector("#btnNavDecr");
const frmEncrypt = document.querySelector("#encrypt");
const frmDecrypt = document.querySelector("#decrypt");
const btnEncrypt = document.querySelector("#encrypt .btnCode");
const btnDecrypt = document.querySelector("#decrypt .btnCode");

btnTabEncrypt.addEventListener("click",btnTabEncryptClick);
btnTabDecrypt.addEventListener("click",btnTabDecryptClick);
btnEncrypt.addEventListener("click",btnEncryptClick);
btnDecrypt.addEventListener("click",btnDecryptClick);

function Init(){
btnTabEncrypt.classList.add('selected');
btnPressed ="Encrypt";
frmEncrypt.classList.add('displayFlex');
frmDecrypt.classList.remove('displayFlex');
frmDecrypt.classList.add('visiblity');
}

function btnTabEncryptClick(){
if (btnPressed ==="Encrypt"){
return;
}
btnTabEncrypt.classList.toggle('selected');
btnTabDecrypt.classList.toggle('selected');
frmEncrypt.classList.toggle('visiblity');
frmDecrypt.classList.toggle('visiblity');
frmEncrypt.classList.toggle('displayFlex');
frmDecrypt.classList.toggle('displayFlex');
btnPressed ="Encrypt";
}

function btnTabDecryptClick(){
if (btnPressed ==="Decrypt"){
return;
}
btnTabDecrypt.classList.toggle('selected');
btnTabEncrypt.classList.toggle('selected');
frmEncrypt.classList.toggle('visiblity');
frmDecrypt.classList.toggle('visiblity');
frmEncrypt.classList.toggle('displayFlex');
frmDecrypt.classList.toggle('displayFlex');
btnPressed ="Decrypt";
}
function convertTextToCode(key,text){
let code="";
for (let i=0;i<text.length;i++){
let num = text.charCodeAt(i)+key;
let char = String.fromCharCode(num);
code +=char;
}
return code;
}

function btnEncryptClick(){
if (Vaild("Encrypt")){
const key = Number(document.querySelector('input[type=number]#codeKeyEnc').value);
const text = document.querySelector('input[type=text]#inpTextEnc').value;
document.querySelector('#pOutputEnc').textContent = convertTextToCode(key,text);
}
}

function btnDecryptClick(){
if (Vaild("Decrypt")){
const key = Number(document.querySelector('input[type=number]#codeKeyDec').value) * -1;
const text = document.querySelector('input[type=text]#inpTextDec').value;
document.querySelector('#pOutputDec').textContent = convertTextToCode(key,text);
}
}

function Vaild(type){
if (keyTextEmpty(type)){
alert ("Key field is empty")
return false;
}
if (codeTextEmpty(type)){
alert ("Code field is empty")
return false;
}

return true;
}
function keyTextEmpty(type){
if (type === "Encrypt")
{
const keyText = document.querySelector('input[type=number]#codeKeyEnc').value;
return keyText === "";
}
else{
const keyText = document.querySelector('input[type=number]#codeKeyDec').value;
return keyText === "";
}
}

function codeTextEmpty(type){
if (type === "Encrypt")
{
const codeText = document.querySelector('input[type=text]#inpTextEnc').value;
return codeText === "";
}
else{
const codeText = document.querySelector('input[type=text]#inpTextDec').value;
return codeText === "";
}


}

Init();