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var numRows = 10;

var numCols = 10;

var rowText;

var rowClose = "</div>";

var rowLetter;

var settingUp = true;

//Context Menu variables

var menu;

var menuState = 0;

var active = "contextMenuActive";

//wait until document is loaded to do jquery

$(document).ready(function(){

//Set-up the document

//setup first row

$("#spreadsheetContainer").append('<div class="row" id="key"></div>');

//put in the first cell that goes over the row numbers

$("#key").append('<div class="numberKey">SHEET</div>');

//create the headers for the columns

for (var i = 0; i < numCols; i++){

//convert current position to a number

var rowLetter = numToString(i+1);

$("#key").append('<div class="col" id="' + rowLetter + '" > ' + rowLetter + ' </div>');

}

for (var i = 0; i < numRows; i++){

addRowToBottom();

}

//turn of setting up for animations when rows are added

settingUp = false;

contextMenuPrep();

//after set up, set the context menu into a variable

menu = document.querySelector(".contextMenu");

});

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////Converting letters and numbers

function numToString(num){

//From https://stackoverflow.com/questions/11089399/count-with-a-b-c-d-instead-of-0-1-2-3-with-javascript

"use strict";

var mod = num % 26;

var pow = num / 26 | 0;

var out = mod ? String.fromCharCode(64 + mod) : (pow--, 'Z');

return pow ? numToString(pow) + out : out;

}

function stringToNum(str) {

"use strict";

var out = 0, len = str.length, pos = len;

while (--pos > -1) {

out += (str.charCodeAt(pos) - 64) * Math.pow(26, len - 1 - pos);

}

return out;

}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////Adding Columns and rows

function addRowToBottom(){

var curRowNum = $('#spreadsheetContainer .row').length;

var curColNum = $('#spreadsheetContainer .row:first .col').length;

console.log(curRowNum);

//start a row

$("#spreadsheetContainer").append('<div class="row" id="' + (curRowNum) + '">');

//the Left column with the numberKey inside the new row

$(".row#"+(curRowNum)).append('<div class="numberKey">' + (curRowNum) + '</div>');

for (var j = 0; j < curColNum; j++){

//add columns/cells to the row

var rowLetter = numToString(j+1);

if(settingUp){

$(".row#"+(curRowNum)).append('<input class="col" id="' + rowLetter + '">');

} else{

//add animation if after the setup

$(".row#"+(curRowNum)).hide().append('<input class="col" id="' + rowLetter + '">').slideDown(100);

}

}

//scroll to bottom

$("body").animate({scrollTop: $("#spreadsheetContainer").prop("scrollHeight")}, 100);

}

function addColToEnd(){

//find the number of columns

var curColNum = $('#spreadsheetContainer .row:first .col').length + 1;

//get next letter

var rowLetter = numToString(curColNum);

//add the key letter

$("#key").append('<div class="col" id="' + rowLetter + '" > ' + rowLetter + ' </div>');

//add column to every row except for the first

$(".row:not(:first)").append('<input class="col" id="' + rowLetter + '">').slideDown(1000);;

var leftPos = $('body').scrollLeft()

$("body").animate({scrollLeft: leftPos + 400}, 800);

}

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// Context menu

//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function contextMenuPrep() {

//based on this https://www.sitepoint.com/building-custom-right-click-context-menu-javascript/

"use strict";

//create an array of all the columns in the key row and rows with a numberKey

var columns = $("#key .col");

var rows = $(".row .numberKey");

//loop through the columns and add event listeners

for ( var i = 0, len = columns.length; i < len; i++ ) {

var column = columns[i];

contextMenuListener(column);

}

//loop through the rows and add even listeners

for ( var i = 0, len = rows.length; i < len; i++ ) {

var row = rows[i];

contextMenuListener(row);

}

//add even listener to the document to close context menu

document.addEventListener( "click", function(e) {

//click anywhere to close the context menu

toggleMenuOff();

});

}

//function to add event listeners

function contextMenuListener(el) {

el.addEventListener( "contextmenu", function(e) {

e.preventDefault();

toggleMenuOn();

});

}

//Turn the menu on, set it's display to block using a new class

function toggleMenuOn() {

if ( menuState !== 1 ) {

menuState = 1;

menu.classList.add(active);

}

}

//turn the menu off, remove the active class

function toggleMenuOff() {

if ( menuState == 1 ) {

menuState = 0;

menu.classList.remove(active);

}

}

function contextListener(){

}

function clickListener(){

}

function keyUpListener(){

}