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index.html
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<!DOCTYPE html>
<html>
<head>
<title>Photos</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<!--
__ _
/ | ° _|_ _ |_)|_ _ _|_ _ _
\__ | | |_(_)| | |(_) |_(_)_> v1.0.1
[Manual]
Just put your photos in an img/ directory, and this index.html file in the parent directory.
Your webserver has to have the +Indexes directive (directory listing) enabled at least for img/.
For the photo gallery of an event named "event_name" (https://example.com/event_name/), you should have:
% ls event_name/
index.html img
Before uploading:
- Resizing:
% for i in myPhotos/*; do convert $i -resize 1024x1024 event_name/img/$(basename $i); done
- Rotating:
% exiftran -ai event_name/img/*
- Reordering:
With Geeqie: https://www.youtube.com/watch?v=jI0BiaQzmms
(use drag and drop or sort by Exif-date, before renaming)
- Cleaning metadata:
% exiftool -overwrite_original -all= event_name/img/*
[Shortcuts]
- Keyboards
Next photo: RightArrow / UpArrow / J / PageUp / Space
Previous photo: LeftArrow / DownArrow / K / PageDown
First photo: Home
Last photo: End
Show full-size: F
Close show room: Escape
- Touchscreens
Next photos: SwipeToLeft / Tap
Previous photos: SwipeToRight
Close show room: SwipeUp / SwipeDown
[License]
Julien Vaubourg (c) 2018
WTFPL v2
[Contribute]
https://github.com/jvaubourg/clitophotos
-->
<script>
var images = new Array();
var totalImg = 0;
var loadedImg = -1;
var touchXDown = null;
var touchYDown = null;
window.addEventListener('load', start, false);
function start() {
document.addEventListener('keydown', shortcuts);
document.getElementById('nextImg').addEventListener('click', nextImg, false);
document.getElementById('previousImg').addEventListener('click', previousImg, false);
document.getElementById('closeImg').addEventListener('click', closeImg, false);
document.getElementById('fullImg').addEventListener('click', fullImg, false);
document.addEventListener('touchstart', touchStart, false);
document.addEventListener('touchmove', touchMove, false);
updatePageTitle();
createGallery();
}
function updatePageTitle() {
const dirName = window.location.href.replace(/.*\/([^\/]+)\/?/, "$1");
var dirNameParts = dirName.split('_');
for(var i = 0; i < dirNameParts.length; i++) {
dirNameParts[i] = dirNameParts[i].charAt(0).toUpperCase() + dirNameParts[i].slice(1);
}
const finalDirName = dirNameParts.join(' ');
document.getElementById('title').firstElementChild.textContent = finalDirName;
document.title = 'Photos of ' + finalDirName;
}
function updateProgressBar() {
const progressBar = document.getElementById('progressBar').querySelector('div');
const progressTxt = document.getElementById('progressBar').querySelector('span');
const newPercentValue = Math.ceil(100 / totalImg * loadedImg);
progressBar.style.width = newPercentValue + '%';
progressTxt.textContent = ++loadedImg + ' / ' + totalImg;
if(loadedImg == totalImg) {
document.getElementById('progressBar').style.display = 'none';
}
}
function nextImg() {
const currentImg = document.getElementById('showroom').firstElementChild;
if(currentImg.getAttribute('data-showid') != images.length - 1) {
updateShowroomImg(parseInt(currentImg.getAttribute('data-showid')) + 1);
} else {
currentImg.style.animation = 'shake 0.5s';
setTimeout(function() {
currentImg.style.animation = 'none';
}, 505);
}
}
function previousImg() {
const currentImg = document.getElementById('showroom').firstElementChild;
if(currentImg.getAttribute('data-showid') != 0) {
updateShowroomImg(parseInt(currentImg.getAttribute('data-showid')) - 1);
} else {
currentImg.style.animation = 'shake 0.5s';
setTimeout(function() {
currentImg.style.animation = 'none';
}, 505);
}
}
function closeImg() {
showRoom(false);
}
function fullImg() {
if(isShowroomVisible()) {
const currentImg = document.getElementById('showroom').firstElementChild;
const newtab = window.open(currentImg.src, '_blank');
newtab.focus();
}
}
function updateImgCounter() {
const counter = document.getElementById('imgCounter');
const currentImg = document.getElementById('showroom').firstElementChild;
counter.textContent = (parseInt(currentImg.getAttribute('data-showid')) + 1) + '/' + images.length;
}
function updateShowroomImg(showId) {
const currentImg = document.getElementById('showroom').firstElementChild;
currentImg.setAttribute('data-showid', showId);
currentImg.setAttribute('src', images[showId]);
if(showId == 0) {
document.getElementById('previousImg').style.visibility = 'hidden';
} else {
document.getElementById('previousImg').style.visibility = 'visible';
}
if(showId == images.length - 1) {
document.getElementById('nextImg').style.visibility = 'hidden';
} else {
document.getElementById('nextImg').style.visibility = 'visible';
}
updateImgCounter();
}
function showImageClick() {
const showroom = document.getElementById('showroom');
if(!showroom.firstElementChild.tagName.match(/img/i)) {
const img = document.createElement('img');
img.addEventListener('click', nextImg, false);
img.addEventListener('dblclick', closeImg, false);
showroom.insertBefore(img, showroom.firstChild);
}
updateShowroomImg(this.getAttribute('data-showid'));
showRoom(true);
}
function addImage(imgPath) {
const img = document.createElement('img');
const gallery = document.getElementById('gallery');
img.setAttribute('src', imgPath);
img.setAttribute('data-showid', images.length);
img.onclick = showImageClick;
img.addEventListener('load', updateProgressBar, false);
images.push(imgPath);
gallery.appendChild(img);
}
function showRoom(show) {
const overlay = document.getElementById('overlay');
if(show) {
overlay.style.display = 'flex';
} else {
overlay.style.display = 'none';
}
}
function isShowroomVisible() {
return document.getElementById('overlay').style.display == 'flex';
}
function createGallery() {
const xhttp = new XMLHttpRequest();
xhttp.timeout = 3000;
xhttp.onreadystatechange = function() {
if(xhttp.readyState == 4) {
if(xhttp.status == 200) {
const lines = xhttp.responseText.split("\n");
totalImg = (xhttp.responseText.match(/\.(jp|pn)g"/ig) || '').length;
updateProgressBar();
for(var i = 0; i < lines.length; i++) {
if(lines[i].match(/\.(jp|pn)g">/i)) {
const imgPath = lines[i].replace(/.*"(.*)".*/, '$1');
addImage('img/' + imgPath);
}
}
} else {
document.getElementById('progressBar').querySelector('span').textContent = 'Error';
alert('There was an error.');
}
}
};
xhttp.open('GET', 'img/', true);
xhttp.send();
}
function shortcuts(e) {
e = e || window.event;
switch(e.keyCode) {
case 34: // page down
case 40: // down arrow
case 75: // k
case 35: // end
if(!isShowroomVisible()) {
break;
}
case 37: // left arrow
e.preventDefault();
if(isShowroomVisible() && e.keyCode != 35) {
previousImg();
} else {
document.getElementById('gallery').lastElementChild.click();
}
break;
case 33: // page up
case 38: // up arrow
case 74: // j
case 36: // home
if(!isShowroomVisible()) {
break;
}
case 32: // space
case 39: // right arrow
e.preventDefault();
if(isShowroomVisible() && e.keyCode != 36) {
nextImg();
} else {
document.getElementById('gallery').firstElementChild.click();
}
break;
case 27: // escape
e.preventDefault();
showRoom(false);
break;
case 70: // f
e.preventDefault();
fullImg();
break;
}
}
/* Touch functions from https://stackoverflow.com/questions/2264072/detect-a-finger-swipe-through-javascript-on-the-iphone-and-android#answer-23230280 */
function touchStart(e) {
touchXDown = e.touches[0].clientX;
touchYDown = e.touches[0].clientY;
};
function touchMove(e) {
if(!touchXDown || !touchYDown || !isShowroomVisible()) {
return;
}
e.preventDefault();
var xUp = e.touches[0].clientX;
var yUp = e.touches[0].clientY;
var xDiff = touchXDown - xUp;
var yDiff = touchYDown - yUp;
if(Math.abs(xDiff) > Math.abs(yDiff)) {
if(xDiff > 0) { // swipe to left
nextImg();
} else { // swipe to right
previousImg();
}
} else { // swipe up or down
closeImg();
}
touchXDown = null;
touchYDown = null;
};
</script>
<style>
body {
font-family: serif;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
}
h1 {
background-image: linear-gradient(to right, #000, #fff);
background-repeat: no-repeat;
background-size: 100% 1px;
background-position: center center;
font-size: 2em;
width: 100%;
margin: 0.2em 0 0.2em 0;
font-weight: bold;
text-shadow: 1px 1px #aaa;
}
h1 span {
display: inline-block;
background-color: #fff;
padding: 5px;
margin-left: 1.2em;
}
.gallery {
display: flex;
flex-direction: row;
flex-wrap: wrap;
justify-content: flex-start;
}
#gallery > img {
flex: 1 1 auto;
width: auto;
height: auto;
max-width: 313px;
max-height: 220px;
margin: 4px;
object-fit: cover;
transition: transform .2s;
border-radius: 1px;
box-shadow: 1px 1px 1px #333;
background-color: #333;
border: 1px solid #fff;
}
#gallery:hover img {
filter: brightness(.9) grayscale(.5);
}
#gallery img:hover {
filter: none;
}
#showroom {
display: flex;
position: relative;
border: 1px solid #fff;
padding: 15px;
background-color: #fff;
justify-content: center;
align-items: center;
}
#showroom img {
flex: 0 0 auto;
max-width: 90vw;
max-height: 90vh;
border: 1px solid #000;
}
#imgCounter {
position: absolute;
right: 0;
bottom: 0;
padding: 20px;
color: #fff;
text-shadow: 1px 1px #000;
}
#closeImg,
#fullImg,
#previousImg,
#nextImg {
display: flex;
position: absolute;
justify-content: center;
align-items: center;
background-color: rgba(0, 0, 0, 0);
cursor: pointer;
}
#fullImg {
bottom: 0;
width: 100%;
height: 10%;
padding-bottom: 20px;
}
#previousImg,
#nextImg {
top: 0;
height: 100%;
width: 20%;
}
#closeImg {
top: 0;
width: 100%;
height: 10%;
padding-top: 20px;
}
#closeImg,
#previousImg {
left: 0;
}
#closeImg,
#nextImg {
right: 0;
}
#closeImg:hover,
#fullImg:hover,
#previousImg:hover,
#nextImg:hover {
background-color: rgba(255, 255, 255, 0.5);
}
#closeImg:hover:after,
#fullImg:hover:after,
#previousImg:hover:after,
#nextImg:hover:after {
content: attr(data-txt);
font-size: 3em;
text-shadow: 1px 1px #000;
font-weight: bold;
color: #fff;
}
#closeImg:hover:after {
color: #f88;
}
#overlay {
display: none;
position: fixed;
justify-content: center;
align-items: center;
flex: 1 1 auto;
width: 100%;
height: 100%;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: rgba(0, 0, 0, 0.95);
z-index: 60;
}
#progressBar {
margin: 3px;
position: fixed;
bottom: 0;
right: 0;
z-index: 50;
height: 50px;
width: 250px;
background-color: #ccc;
margin: 0 25px 20px 0;
border: 1px solid #333;
}
#progressBar > div {
height: 50px;
width: 0px;
background-color: #333;
}
#progressBar > span {
display: flex;
justify-content: center;
align-items: center;
color: #fff;
font-size: 20px;
height: 50px;
margin-top: -50px;
text-shadow: 1px 1px #000;
}
/* Shake from https://www.w3schools.com/howto/howto_css_shake_image.asp */
@keyframes shake {
0% { transform: translate(1px, 1px) rotate(0deg); }
10% { transform: translate(-1px, -2px) rotate(-1deg); }
20% { transform: translate(-3px, 0px) rotate(1deg); }
30% { transform: translate(3px, 2px) rotate(0deg); }
40% { transform: translate(1px, -1px) rotate(1deg); }
50% { transform: translate(-1px, 2px) rotate(-1deg); }
60% { transform: translate(-3px, 1px) rotate(0deg); }
70% { transform: translate(3px, 1px) rotate(-1deg); }
80% { transform: translate(-1px, -1px) rotate(1deg); }
90% { transform: translate(1px, 2px) rotate(0deg); }
100% { transform: translate(1px, -2px) rotate(-1deg); }
}
</style>
</head>
<body>
<h1 id="title"><span>Photos</span></h1>
<div id="progressBar">
<div></div>
<span>Loading...</span>
</div>
<div id="gallery"></div>
<div id="overlay">
<div id="showroom">
<div id="closeImg" data-txt="∅"></div>
<div id="imgCounter"></div>
<div id="previousImg" data-txt="←"></div>
<div id="nextImg" data-txt="→"></div>
<div id="fullImg" data-txt="⇔"></div>
</div>
</div>
</body>
</html>