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Merge pull request #29 from Pratik-k-sahoo/main
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Added the focus change with a notification"Don't give up champ"
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@kaal-coder
kaal-coder authored Oct 31, 2023
2 parents 7425a18 + 0f9bdc6 commit ba61fce
Showing 1 changed file with 127 additions and 100 deletions.
227 changes: 127 additions & 100 deletions script.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,36 +4,36 @@ class Stack {
constructor() {
this.items = [];
}

// add element to the stack
add(element) {
return this.items.push(element);
}

// remove element from the stack
remove() {
if(this.items.length > 0) {
if (this.items.length > 0) {
return this.items.pop();
}
}

// view the last element
peek() {
return this.items[this.items.length - 1];
}

// check if the stack is empty
isEmpty(){
return this.items.length == 0;
isEmpty() {
return this.items.length == 0;
}

// the size of the stack
size(){
size() {
return this.items.length;
}

// empty the stack
clear(){
clear() {
this.items = [];
}
}
Expand Down Expand Up @@ -79,7 +79,7 @@ function setColor(temp) {
for (var j = 0; j < 9; j++) {
if (temp[i][j] == true) {
arr[i][j].style.color = "#DC3545";

}

}
Expand Down Expand Up @@ -123,10 +123,10 @@ number.forEach(function (i) {

divs.forEach(function (div) {
div.onclick = function () {
if(!Number.isInteger(value)){
if (!Number.isInteger(value)) {
console.log("Select a number")
}
else{
else {
stack.add(div.id);
div.innerText = value;
console.log(div.innerText)
Expand All @@ -136,7 +136,7 @@ divs.forEach(function (div) {

let changecolor = function (i) {
selectedcolor.style.border = 'none';
i.style.border= '2px solid black';
i.style.border = '2px solid black';
selectedcolor = i;
}

Expand Down Expand Up @@ -171,134 +171,161 @@ button.onclick = function () {
xhrRequest.open('get', 'https://sugoku.herokuapp.com/board?difficulty=easy')
//we can change the difficulty of the puzzle the allowed values of difficulty are easy, medium, hard and random
xhrRequest.send()
timerr = setInterval(timer,1000)
timerr = setInterval(timer, 1000)
}


function timer() {
if(Number(sec.innerText)<9){
sec.innerText ="0"+(Number(sec.innerText)+1);
if (Number(sec.innerText) < 9) {
sec.innerText = "0" + (Number(sec.innerText) + 1);
}
else{
sec.innerText =Number(sec.innerText)+1;
else {
sec.innerText = Number(sec.innerText) + 1;
}
if (Number(sec.innerText) >= 60) {
sec.innerText = "0o0";
if (Number(min.innerText) < 9) {
min.innerText = "0" + (Number(min.innerText) + 1);
}
else {
min.innerText = Number(min.innerText) + 1;
}
}
if(Number(sec.innerText) >=60){
sec.innerText = 00;
if(Number(min.innerText)<9){
min.innerText = "0"+(Number(min.innerText)+1);
}
else{
min.innerText = Number(min.innerText)+1;
}
}

function isPossible(board, sr, sc, val) {
function isPossible(board, sr, sc, val) {

// check for not repeating in same row
for (var row = 0; row < 9; row++) {
if (board[row][sc] == val) {
return false;
// check for not repeating in same row
for (var row = 0; row < 9; row++) {
if (board[row][sc] == val) {
return false;
}
}
}

// check for not repeating in same column
for (var col = 0; col < 9; col++) {
if (board[sr][col] == val) {
return false;
// check for not repeating in same column
for (var col = 0; col < 9; col++) {
if (board[sr][col] == val) {
return false;
}
}
}

// sub-grid
var r = sr - (sr%3);
var c = sc - (sc%3);
// sub-grid
var r = sr - (sr % 3);
var c = sc - (sc % 3);

for (var cr = r; cr < r + 3; cr++) {
for (var cc = c; cc < c + 3; cc++) {
if (board[cr][cc] == val) {
return false;
for (var cr = r; cr < r + 3; cr++) {
for (var cc = c; cc < c + 3; cc++) {
if (board[cr][cc] == val) {
return false;
}
}
}
return true;

}
return true;

}

function solveSudokuHelper(board, sr, sc) { // board, starting row, starting col

function solveSudokuHelper(board, sr, sc) { // board, starting row, starting col
// base case
if (sr == 9) { // all rows filled
changeBoard(board);
return;
}
if (sc == 9) { // last column
solveSudokuHelper(board, sr + 1, 0) // move to next row
return;
}

// base case
if (sr == 9) { // all rows filled
changeBoard(board);
return;
//pre-filled cell, skip it
if (board[sr][sc] != 0) {
solveSudokuHelper(board, sr, sc + 1);
return;
}

//there is 0 in the current location
for (var i = 1; i <= 9; i++) {
if (isPossible(board, sr, sc, i)) { // check
board[sr][sc] = i;
solveSudokuHelper(board, sr, sc + 1);
}
// backtracking
board[sr][sc] = 0;

}
}
if (sc == 9) { // last column
solveSudokuHelper(board, sr + 1, 0) // move to next row
return;

function solveSudoku(board) {
solveSudokuHelper(board, 0, 0)
}

//pre-filled cell, skip it
if (board[sr][sc] != 0) {
solveSudokuHelper(board, sr, sc + 1);
return;
// solve button
solve.onclick = function () {
clearInterval(timerr);
solveSudoku(board)

}

//there is 0 in the current location
for (var i = 1; i <= 9; i++) {
if (isPossible(board, sr, sc, i)) { // check
board[sr][sc] = i;
solveSudokuHelper(board, sr, sc + 1);
}
// backtracking
board[sr][sc] = 0;



/*Dark-Mode*/
function darkMode() {
var element = document.body;
element.classList.toggle("dark-mode");
}
}

function solveSudoku(board) {
solveSudokuHelper(board, 0, 0)
}

// solve button
solve.onclick = function () {
clearInterval(timerr);
solveSudoku(board)

//Focus change Notification
function showNotification() {
if (!document.hidden) {
const options = {
body: "Don't give up, champ!",
};

if ('Notification' in window) {
if (Notification.permission === 'granted') {
new Notification('Important Message', options);
alert("Don't give up, champ!");
} else if (Notification.permission !== 'denied') {
Notification.requestPermission().then(permission => {
if (permission === 'granted') {
new Notification('Important Message', options);

}
});
}
}
}
}

/* Focus Change */
window.onload = function () {

var preTitle = document.title;
var postTitle = "Don't give up ! 🥺";
document.addEventListener("visibilitychange", function () {
var page_Active = !document.hidden;

if (!page_Active) {
document.title = postTitle;
} else {
document.title = preTitle;
}
showNotification();
// console.log("Changed");
var page_Active = !document.hidden;
// console.log("page_Active" + page_Active);
// console.log("!document.hidden" + !document.hidden);
if (!page_Active) {
document.title = postTitle;
} else {
document.title = preTitle;
}
});
};

/*Dark-Mode*/
function darkMode() {
var element = document.body;
element.classList.toggle("dark-mode");
}

}


function save ()
{
function save() {

const username = document.getElementById("username").value;
console.log(username, "save");
for (let i = 0; i < 81;i++)
{
board[~~(i / 9)][i % 9] = document.getElementById(i).innerHTML;
for (let i = 0; i < 81; i++) {
board[~~(i / 9)][i % 9] = document.getElementById(i).innerHTML;
}
localStorage.setItem(username, JSON.stringify([board, min.innerHTML, sec.innerHTML]));
localStorage.setItem(username, JSON.stringify([board, min.innerHTML, sec.innerHTML]));
console.log(min.innerHTML, sec.innerHTML)
}

Expand Down Expand Up @@ -330,7 +357,7 @@ function resume() {
let undoBtn = document.getElementById("undo");
let redoBtn = document.getElementById("redo");

undoBtn.addEventListener('click',function(){
undoBtn.addEventListener('click', function () {
var i = stack.peek() / 9;
var j = stack.peek() % 9;
document.getElementById(stack.peek()).innerText = null;
Expand Down

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