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text-calendar-4x3.html
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text-calendar-4x3.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>📅 text-calendar | landscape</title>
</head>
<body>
<pre id="txt-cal"></pre>
<footer>
<p class="hint">Use your keyboard <kbd>⯇</kbd> <kbd>⯈</kbd> arrows to change year </p>
</footer>
<script>
// static variables
var norm_array = [
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31]
];
var leap_array = [
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30],
[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31]
];
var months = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];
var months_arrays = new Array(12);
// returns the text-calendar for the given year
function get_array_of_month( year, month ) {
var month_2D = new Array(6); // 5 "weeks" each of which will have an array of 7 "days"
var day = 0;
var week = 0;
var first_day_of_month = new Date(year, month, 1).getUTCDay(); // Monday is 0 / Sunday is 6
var calendar_array = (new Date(year, 1, 29).getMonth() == 1) ? leap_array : norm_array; // checks for leap year
// handle first day of the month
month_2D[0] = new Array(7);
for (i=0 ; i<first_day_of_month ; i++) {
month_2D[0][i] = " ";
}
for (i=first_day_of_month ; i<7 ; i++) {
month_2D[0][i] = calendar_array[0][day++].toString().padStart(3);
}
// continue with rest of the weeks (max is a month with 6 lines)
for (j=1 ; j<6 ; j++) {
month_2D[j] = new Array(7);
for (k=0 ; k<7 ; k++) {
if (day<calendar_array[month].length) {
month_2D[j][k] = calendar_array[month][day++].toString().padStart(3);
}
else {
month_2D[j][k] = " ";
}
}
}
return month_2D;
}
function get_text_calendar_landscape( year ) {
// iterate months
for (m=0 ; m<12 ; m++) {
months_arrays[m] = get_array_of_month(year_now, m);
}
var text_calendar_landscape = `───────────────────────────────────────────── `+ year +` ──────────────────────────────────────────────
January February March
Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun
━━━━━━━━━━━━━━━━━━━━━━━━━━━ ━━━━━━━━━━━━━━━━━━━━━━━━━━━ ━━━━━━━━━━━━━━━━━━━━━━━━━━━
`;
// 3 rows with 3 months each
for (w=0 ; w<6 ; w++) {
text_calendar_landscape += " " + months_arrays[0][w].join(" ") + " " + months_arrays[1][w].join(" ") + " " + months_arrays[2][w].join(" ") + " \n";
}
text_calendar_landscape +=`
April May June
Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun
━━━━━━━━━━━━━━━━━━━━━━━━━━━ ━━━━━━━━━━━━━━━━━━━━━━━━━━━ ━━━━━━━━━━━━━━━━━━━━━━━━━━━
`
// 3 rows with 3 months each
for (w=0 ; w<6 ; w++) {
text_calendar_landscape += " " + months_arrays[3][w].join(" ") + " " + months_arrays[4][w].join(" ") + " " + months_arrays[5][w].join(" ") + " \n";
}
text_calendar_landscape +=`
July August September
Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun
━━━━━━━━━━━━━━━━━━━━━━━━━━━ ━━━━━━━━━━━━━━━━━━━━━━━━━━━ ━━━━━━━━━━━━━━━━━━━━━━━━━━━
`
// 3 rows with 3 months each
for (w=0 ; w<6 ; w++) {
text_calendar_landscape += " " + months_arrays[6][w].join(" ") + " " + months_arrays[7][w].join(" ") + " " + months_arrays[8][w].join(" ") + " \n";
}
text_calendar_landscape +=`
October November December
Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun
━━━━━━━━━━━━━━━━━━━━━━━━━━━ ━━━━━━━━━━━━━━━━━━━━━━━━━━━ ━━━━━━━━━━━━━━━━━━━━━━━━━━━
`
// 3 rows with 3 months each
for (w=0 ; w<6 ; w++) {
text_calendar_landscape += " " + months_arrays[9][w].join(" ") + " " + months_arrays[10][w].join(" ") + " " + months_arrays[11][w].join(" ") + " \n";
}
return text_calendar_landscape;
}
// display current year text-calendar when page loads:
var year_now = new Date().getFullYear();
var year_now_text_landscape = get_text_calendar_landscape( year_now );
document.querySelector('#txt-cal').innerHTML = year_now_text_landscape;
// change year (next / previous) when the user presses (right / left) arrows
document.addEventListener('keydown', function(e) {
if ( event.keyCode == 37) {
year_now = year_now - 1;
document.querySelector('#txt-cal').innerHTML = get_text_calendar_landscape( year_now );
} else if ( event.keyCode == 39) {
year_now = year_now + 1;
document.querySelector('#txt-cal').innerHTML = get_text_calendar_landscape( year_now );
}
});
</script>
<style>
footer {font-family: sans-serif; font-size: 11px; color: #858585;}
footer a {color: #436f9d;}
</style>
</body>
</html>