index.js

let tableArr = [
    ["Fruits", "Mango", "Apple", "Banana"],
    ["Mango", "Fruits"],
    ["Apple", "Fruits"],
    ["Banana", "Fruits"],
    ["Oceans", "Arctic", "Atlantic", "Pacific", "Indian", "Southern"],
    ["Arctic", "Oceans"],
    ["Atlantic", "Oceans"],
    ["Pacific", "Oceans"],
    ["Indian", "Oceans"],
    ["Southern", "Oceans"],
];

var link;

//Clearing screen/container code
function clearTable() {
    let divContainer = document.getElementById("container");
    divContainer.innerHTML = "";
    //Remove styling to container
    divContainer.classList.remove("dynCont");
}
//----------------------------------------------------------------

//Clear input text code
function clearText() {
    const input1 = document.getElementById("input1");
    const input2 = document.getElementById("input2");
    input1.value = "";
    input2.value = "";
}
//----------------------------------------------------------------

//Autocomplete code
function autocomplete(inp, arr) {
    /*the autocomplete function takes two arguments,
      the text field element and an array of possible autocompleted values:*/
    var currentFocus;
    /*execute a function when someone writes in the text field:*/
    inp.addEventListener("input", function (e) {
        var a,
            b,
            i,
            val = this.value;
        // console.log(a, b, i, val)
        // So that dude used this trick eh?>>>>>>>>>>>

        /*close any already open lists of autocompleted values*/
        closeAllLists();
        if (!val) {
            return false;
        }
        currentFocus = -1;
        /*create a DIV element that will contain the items (values):*/
        a = document.createElement("DIV");
        a.setAttribute("id", this.id + "autocomplete-list");
        a.setAttribute("class", "autocomplete-items");
        /*append the DIV element as a child of the autocomplete container:*/
        this.parentNode.appendChild(a);
        /*for each item in the array...*/
        for (i = 0; i < arr.length; i++) {
            /*check if the item starts with the same letters as the text field value:*/
            if (arr[i][0].substr(0, val.length).toUpperCase() == val.toUpperCase()) {
                /*create a DIV element for each matching element:*/
                b = document.createElement("DIV");
                /*make the matching letters bold:*/
                b.innerHTML =
                    "<strong>" + arr[i][0].substr(0, val.length) + "</strong>";
                b.innerHTML += arr[i][0].substr(val.length);
                /*insert a input field that will hold the current array item's value:*/
                b.innerHTML += "<input type='hidden' value='" + arr[i][0] + "'>";
                /*execute a function when someone clicks on the item value (DIV element):*/
                b.addEventListener("click", function (e) {
                    /*insert the value for the autocomplete text field:*/
                    inp.value = this.getElementsByTagName("input")[0].value;
                    /*close the list of autocompleted values,
                              (or any other open lists of autocompleted values:*/
                    closeAllLists();
                });
                a.appendChild(b);
            }
        }
    });
    /*execute a function presses a key on the keyboard:*/
    inp.addEventListener("keydown", function (e) {
        var x = document.getElementById(this.id + "autocomplete-list");
        if (x) x = x.getElementsByTagName("div");
        if (e.keyCode == 40) {
            /*If the arrow DOWN key is pressed,
                  increase the currentFocus variable:*/
            currentFocus++;
            /*and and make the current item more visible:*/
            addActive(x);
        } else if (e.keyCode == 38) {
            //up
            /*If the arrow UP key is pressed,
                  decrease the currentFocus variable:*/
            currentFocus--;
            /*and and make the current item more visible:*/
            addActive(x);
        } else if (e.keyCode == 13) {
            /*If the ENTER key is pressed, prevent the form from being submitted,*/
            e.preventDefault();
            if (currentFocus > -1) {
                /*and simulate a click on the "active" item:*/
                if (x) x[currentFocus].click();
            }
        }
    });
    function addActive(x) {
        /*a function to classify an item as "active":*/
        if (!x) return false;
        /*start by removing the "active" class on all items:*/
        removeActive(x);
        if (currentFocus >= x.length) currentFocus = 0;
        if (currentFocus < 0) currentFocus = x.length - 1;
        /*add class "autocomplete-active":*/
        x[currentFocus].classList.add("autocomplete-active");
    }
    function removeActive(x) {
        /*a function to remove the "active" class from all autocomplete items:*/
        for (var i = 0; i < x.length; i++) {
            x[i].classList.remove("autocomplete-active");
        }
    }
    function closeAllLists(elmnt) {
        /*close all autocomplete lists in the document,
            except the one passed as an argument:*/
        var x = document.getElementsByClassName("autocomplete-items");
        for (var i = 0; i < x.length; i++) {
            if (elmnt != x[i] && elmnt != inp) {
                x[i].parentNode.removeChild(x[i]);
            }
        }
    }
    /*execute a function when someone clicks in the document:*/
    document.addEventListener("click", function (e) {
        closeAllLists(e.target);
    });
}
//----------------------------------------------------------------

//Code for creating the table
function createTable() {
    // Alert message code starts
    var showalert = document.getElementById("showalert");
    if (input1.value.length == 0 || input2.value.length == 0) {
        showalert.classList.remove("hide");
        showalert.classList.add("showalert");
        return 0;
    }
    // Alert messgae code ends
    //----------------------------------------------------------------

    autocomplete(document.getElementById("input1"), tableArr);
    autocomplete(document.getElementById("input2"), tableArr);
    let key = document.getElementById("input1").value;
    // Multiple values input code inclusion
    // Links
    //----------------------------------------------------------------
    let links = document.getElementById("input2").value;

    let link = [];
    let word = "";

    for (let i = 0; i < links.length; i++) {
        if (links[i] != "," && links[i] != " ") {
            word += links[i];
        }
        if (links[i] === "," || i === links.length - 1) {
            link.push(word);
            word = "";
        }
    }

    // console.log(link);

    // let tabValue = []

    // Check if the key already exists and append that row instead of creating a new row
    //New: for loop to go through the multiple i/ps array, no for loop before
    //Avoids dup rows/col for mul i/p
    //Auto comp works too for mul i/p
    for (let i = 0; i < link.length; i++) {
        let exists = tableArr.find((el) => el[0] === key);
        if (exists) {
            exists[exists.length] = link[i];
        } else {
            tableArr.push([key, link[i]]);
            // console.log(tableArr)
        }

        //Do the same if link exists since link as a new row too
        let existsL = tableArr.find((el) => el[0] === link[i]);
        if (existsL) {
            existsL[existsL.length] = key;
        } else {
            tableArr.push([link[i], key]);
            // console.log(tableArr)
        }
    }
    // Multiple values input code inclusion ends
    //----------------------------------------------------------------

    // tabValue.push(key)
    // tabValue.push(link)
    // console.log(tabValue)
    // tableArr.push(tabValue)

    let table = document.createElement("table"); //iterate over every array(row) within tableArr
    for (let row of tableArr) {
        //Insert a new row element into the table element
        let newRow = table.insertRow(); //Iterate over every index(cell) in each array(row)
        newRow.id = row[0];
        // console.log(newRow.id)
        // Earlier > for (let cell of row)
        for (let [i, cell] of row.entries()) {
            //While iterating over the index(cell)
            //insert a cell into the table element
            //i is the index
            if (i == 0) {
                let newCell = table.rows[table.rows.length - 1].insertCell(); //add text to the created cell element
                newCell.innerHTML = `<div class="cell"><button id="d${cell}" class="delCell"><i class="fa-solid fa-delete-left"></i></button><input type="checkbox"><label><a href="#" id="cell${cell}" class="linkrow">${cell}</a></label><button id="b${cell}" class="editCell"><i class="fa fa-pencil" aria-hidden="true"></i></button></div>`;
            }
            else {
                let newCell = table.rows[table.rows.length - 1].insertCell(); //add text to the created cell element
                newCell.innerHTML = `<div class="cell"><input type="checkbox"><label><a href="#" id="cell${cell}" class="linkrow">${cell}</a></label><button id="b${cell}" class="editCell"><i class="fa fa-pencil" aria-hidden="true"></i></button></div>`;
            }
        }
    }
    //append the compiled table to the DOM
    let divContainer = document.getElementById("container");
    divContainer.appendChild(table);
    // document.body.appendChild(table);

    //Add styling to container
    divContainer.classList.add("dynCont");
    //----------------------------------------------------------------
    // Code to scroll down to particular row>>>>>>>>>>>>>>>>>>>>>>>
    link = $(".linkrow");
    // console.log(link)
    link.click(function (e) {
        e.preventDefault();
        // console.log('clicked');
        var rowVal = $(this)[0].innerHTML,
            row;
        // console.log(rowVal)

        row = $("#" + rowVal);
        // console.log(row)
        if (row.length) {
            // console.log(row.offset().top);
            // console.log(document.documentElement.scrollHeight / 2);
            let y = row.offset().top;
            // console.log(y)
            $(window).scrollTop(y);
        }
    });
    //----------------------------------------------------------------
    // Edit btn code starts
    //----------------------------------------------------------------
    editBtn = $(".editCell");
    // console.log(link)
    editBtn.click(function (e) {
        e.preventDefault();
        console.log('clicked edit');
        var cellIdb = $(this)[0].id;
        console.log(cellIdb)
        var newValue = prompt("Enter correct text", "-");
        alert("Clear the screen and click generate table to see the changes")
        console.log(newValue)
        var editIdVal = cellIdb.substring(1)
        console.log(editIdVal)
        // $("#" + editId).innerHTML=newValue
        var editId = $("#cell" + editIdVal)[0]
        console.log(editId)
        editId.innerHTML = newValue
        // const arrayo = tableArr.map(el => el[0] === editIdVal ? newValue : el);
        tableArr = tableArr.map(row =>
            row.map(element =>
                element === editIdVal ? newValue : element
            )
        )
        // console.log(arrayoo);
    });
    // edit btn code ends
    //----------------------------------------------------------------
    //----------------------------------------------------------------
    // del btn code starts
    delBtn = $(".delCell");
    // console.log(link)
    delBtn.click(function (e) {
        e.preventDefault();
        console.log('clicked del btn');
        var cellIdd = $(this)[0].id;
        console.log(cellIdd)
        var delIdVal = cellIdd.substring(1)
        console.log(delIdVal)
        alert("The row will be deleted!")
        rowV = rowIndex(tableArr, delIdVal)
        console.log(rowV)
        tableArr.splice(rowV, 1);

        // Row index doesn't change after deleting the row, so the following won't work - T2
        // row = $("#" + delIdVal);
        // console.log(row.index())
        // tableArr.splice(row.index(), 1);
        // console.log(tableArr)

        //Won't work
        // console.log($(this).parentNode)

        // This doesn't work + would have same issue as above - T1
        // tableArr = tableArr.map(row => row.id === delIdVal ? tableArr.deleteRow($(row.id).index()) : row)
    });
    // del btn code ends
    //----------------------------------------------------------------
}
// Del fnc - finding row index to delete
function rowIndex(array, keyVal) {
    for (var i = 0; i < array.length; i++) {
        if (array[i][0] == keyVal) {
            return i;   // Found it
        }
    }
}
//----------------------------------------------------------------
// to close the alert badge starts
function closethealert() {
    var showalert = document.getElementById("showalert");

    showalert.classList.remove("showalert");
    showalert.classList.add("hide");
}
// to close the alert badge ends
//----------------------------------------------------------------

//Search table code
function searchTable() {

 // Alert message code starts
 var showalert = document.getElementById('showalert')
 if (input1.value.length == 0) {
     showalert.classList.remove('hide')
     showalert.classList.add('showalert')
     return 0;
 }
 // Alert messgae code ends


    autocomplete(document.getElementById("input1"), tableArr);
    let key = document.getElementById("input1").value;
    // alert("within search")
    let exists = tableArr.find((el) => el[0] === key);
    let table2 = document.createElement("table"); //iterate over every array(row) within tableArr
    let noRow = document.createElement("h3");

    if (exists) {
        // alert("within if")
        // let table2 = document.createElement('table');//iterate over every array(row) within tableArr
        //Insert a new row element into the table element
        table2.insertRow(); //Iterate over every index(cell) in each array(row)
        for (let cell of exists) {
            //While iterating over the index(cell)
            //insert a cell into the table element
            // alert(exists)
            let newCell = table2.rows[table2.rows.length - 1].insertCell(); //add text to the created cell element
            // alert(newCell)
            newCell.innerHTML = `<div class="cell"><input type="checkbox">${cell}</input><div>`;
            let divContainer = document.getElementById("container");
            // alert(table)
            divContainer.appendChild(table2);
            //Add styling to container
            divContainer.classList.add("dynCont");
        }
    } else {
        // let noRow = document.createElement('h3');
        noRow.textContent = "Row does not exist~";
        let divContainer = document.getElementById("container");
        // alert(table)
        divContainer.appendChild(noRow);
        //Add styling to container
        divContainer.classList.add("dynCont");
    }
    //append the compiled table to the DOM
    // document.body.appendChild(table);
}
//----------------------------------------------------------------

//Download CSV code
function htmlToCSV(html, filename) {
    //alert("Inside htmlToCSV")
    var data = [];
    var rows = document.querySelectorAll("table tr");

    for (var i = 0; i < rows.length; i++) {
        var row = [],
            cols = rows[i].querySelectorAll("td, th");

        for (var j = 0; j < cols.length; j++) {
            row.push(cols[j].innerText);
        }

        data.push(row.join(","));
    }
    downloadCSVFile(data.join("\n"), filename);
}

function downloadCSVFile(csv, filename) {
    var csv_file, download_link;
    csv_file = new Blob([csv], { type: "text/csv" });
    download_link = document.createElement("a");
    download_link.download = filename;
    download_link.href = window.URL.createObjectURL(csv_file);
    download_link.style.display = "none";
    document.body.appendChild(download_link);
    download_link.click();
}

function downloadFunc() {
    //alert("Inside event listener")
    var html = document.querySelector("table").outerHTML;
    htmlToCSV(html, "graphToTable.csv");
}

//----------------------------------------------------------------

//Top button code c
const toTop = document.querySelector(".goTo-top-btn");

window.addEventListener("scroll", () => {
    if (window.pageYOffset > 100) {
        toTop.classList.add("active");
    } else {
        toTop.classList.remove("active");
    }
});
//----------------------------------------------------------------

//Dark mode c
window.addEventListener(
    "storage",
    function () {
        if (localStorage.lightMode == "dark") {
            app.setAttribute("light-mode", "dark");
        } else {
            app.setAttribute("light-mode", "light");
        }
    },
    false
);
var app = document.getElementsByTagName("BODY")[0];
if (localStorage.lightMode == "dark") {
    app.setAttribute("light-mode", "dark");
}

function toggle_light_mode() {
    var app = document.getElementsByTagName("BODY")[0];
    if (localStorage.lightMode == "dark") {
        localStorage.lightMode = "light";
        app.setAttribute("light-mode", "light");
    } else {
        localStorage.lightMode = "dark";
        app.setAttribute("light-mode", "dark");
    }
}
//----------------------------------------------------------------

//sorting the table by minimum number of nodes
function sortTableMin() {
    tableArr.sort(function (a, b) {
        if (a.length == b.length) {
            return 0;
        }
        return a.length < b.length ? -1 : 1;
    });

    generateTable();
}
//----------------------------------------------------------------

//sorting the table by maximum number of nodes
function sortTableMax() {
    tableArr.sort(function (a, b) {
        if (a.length == b.length) {
            return 0;
        }
        return a.length > b.length ? -1 : 1;
    });

    generateTable();
}
//----------------------------------------------------------------

function generateTable() {
    let table = document.createElement("table"); //iterate over every array(row) within tableArr
    for (let row of tableArr) {
        //Insert a new row element into the table element
        let newRow = table.insertRow(); //Iterate over every index(cell) in each array(row)
        newRow.id = row[0];
        // console.log(newRow.id)
        for (let cell of row) {
            //While iterating over the index(cell)
            //insert a cell into the table element
            let newCell = table.rows[table.rows.length - 1].insertCell(); //add text to the created cell element
            newCell.innerHTML = `<div class="cell"><input type="checkbox"><label><a href="#" class="linkrow">${cell}</a></label></div>`;
        }
    }
    //append the compiled table to the DOM
    let divContainer = document.getElementById("container");
    divContainer.appendChild(table);
    // document.body.appendChild(table);

    //Add styling to container
    divContainer.classList.add("dynCont");

    // Code to scroll down to particular row - Sort-scroll fix>>>>>>>
    link = $(".linkrow");
    // console.log(link)
    link.click(function (e) {
        e.preventDefault();
        // console.log('clicked');
        var rowVal = $(this)[0].innerHTML,
            row;
        // console.log(rowVal)

        row = $("#" + rowVal);
        // console.log(row)
        if (row.length) {
            // console.log(row.offset().top);
            // console.log(document.documentElement.scrollHeight / 2);
            let y = row.offset().top;
            // console.log(y)
            $(window).scrollTop(y);
        }
    });
    //----------------------------------------------------------------
}
     
function Upload() {
    let tables = [];
            var fileUpload = document.getElementById("fileUpload");
            var regex = /^([a-zA-Z0-9\s_\\.\-:0-9()])+(.csv|.txt)$/;
            if (regex.test(fileUpload.value.toLowerCase())) {
                if (typeof (FileReader) != "undefined") {
                    var reader = new FileReader();
                    reader.onload = function (e) {
                        var tables = document.createElement("table");
                        var rows = e.target.result.split("\n");
                        for (var i = 0; i < rows.length; i++) {
                            var cells = rows[i].split(",");
                            if (cells.length > 1) {
                                var row = tables.insertRow(-1);
                                for (var j = 0; j < cells.length; j++) {
                                    var cell = row.insertCell(-1);
                                    cell.innerHTML = cells[j];
                                }
                            }
                        }
                        var CSV = document.getElementById("container");
                        CSV.innerHTML = "";
                        CSV.appendChild(tables);
                    }
                    reader.readAsText(fileUpload.files[0]);
                } else {
                    alert("This browser does not support HTML5.");
                }
            } else {
                alert("Please upload a valid CSV file.");
            }
        }


Array.prototype.forEach.call(document.querySelectorAll('.fileadd'), function (button) {
    const hiddenInput = button.parentElement.querySelector('.file');
    const label = button.parentElement.querySelector('.label');
        button.addEventListener('click', function () {
            hiddenInput.click();
        });
        
        hiddenInput.addEventListener('change', function() {
            const filenamelist = Array.prototype.map.call(hiddenInput.files, function (file) {
            return file.name;
            });
        
        label.textContent = filenamelist.join(' ') || defaulLabelText;
        label.title = label.textContent;
        });
        
        });