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slideshow.php
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slideshow.php
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<?php
/*
This file is part of viood.
viood is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
viood is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
//this should have
//an inspect button that goes to the standalone viewer DONE
//buttons on desktop WONTFIX
//fullscreen button DONE
//history replace so that back always goes back to the gallery view but DONE
//one still can link to an image
//keyboard navigation DONE
?>
<!DOCTYPE html>
<html>
<head>
<title>viood - <?=$galleryName?></title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimal-ui">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="theme-color" content="#000000" />
<script src="<?=$base_url?>general.js" type="text/javascript"></script>
<link rel="icon" type="image/png" href="<?=$base_url?>favicon.png" />
<link rel="apple-touch-icon" href="<?=$base_url?>icon.png"/>
<link rel="shortcut icon" href="<?=$base_url?>icon.png" />
<!--<link href='http://fonts.googleapis.com/css?family=Source+Sans+Pro:400,200,300,700' rel='stylesheet' type='text/css'>-->
<script src="<?=$base_url?>swipe.js"></script>
<style>
body{
text-align: center;
justify-content: center;
}
.swipe {
overflow: hidden;
visibility: hidden;
position: relative;
}
.swipe-wrap {
overflow: hidden;
position: relative;
}
.swipe-wrap > div {
float:left;
width:100%;
position: relative;
}
</style>
<link rel="stylesheet" href="<?=$base_url?>style.css">
</head>
<body>
<div id='slider' class='swipe'><div class='swipe-wrap'>
<?php
foreach ($array as $name => $item) {
if ($name == "__info__") continue;
if (!is_array($item)) {
//find if we should start from specific image
if ($goToImage == $item) $goToImageIndex = $counter; ?>
<div>
<img class="picture" src="<?= $goToImage == $item || $goToImage == $previousItem ? getSlide($path . "/" . $item) : getThumb($path . "/" . $item) ?>"
data-src="<?= getSlide($path . "/" . $item) ?>"
data-thumb="<?= getThumb($path . "/" . $item) ?>"
data-fullimage="<?=$base_url."imageviewer/".$path . "/" . $item?>"
data-imagename="<?=$item?>"/>
</div>
<?php $counter++; $previousItem = $item;
}
}
?>
</div></div>
<div class="toolbar">
<button class="fullimage" onclick="window.location.href = document.querySelector('.swipe-wrap>div:nth-child('+(mySwipe.getPos()+1)+') img').getAttribute('data-fullimage')"><img src="<?=$base_url?>fullimage.svg" alt="1:1"></button>
<button class="fullscreen" onclick="fs()"><img src="<?=$base_url?>fullscreen.svg" alt="⎚"></button>
</div>
<a class="back" href="<?=$internal?"javascript:history.back()" :$base_url.$requested_path?>">◀</a>
<script>
window.mySwipe = new Swipe(document.getElementById('slider'), {
startSlide: <?=$goToImageIndex?>,
speed: 400,
auto: false,
continuous: true,
disableScroll: true,
stopPropagation: true,
callback: function(){
//count all images
var numberOfImages = document.querySelectorAll(".swipe-wrap>div").length
var currentImageIndex = mySwipe.getPos();
//change url with each slide
var currentImage = getImage(currentImageIndex%numberOfImages);
var nextImage = getImage((currentImageIndex+1)%numberOfImages);
var previousImage = getImage((currentImageIndex-1)%numberOfImages);
var imageBeforePrevious = getImage((currentImageIndex-2)%numberOfImages);
var imageAfterNext = getImage((currentImageIndex+2)%numberOfImages);
history.replaceState({},"",currentImage.getAttribute("data-imagename"));
setTimeout(function(){
currentImage.src = currentImage.getAttribute("data-src");
if (nextImage) nextImage.src = nextImage.getAttribute("data-src");
if (previousImage) previousImage.src = previousImage.getAttribute("data-src");
if (imageBeforePrevious) imageBeforePrevious.src = imageBeforePrevious.getAttribute("data-thumb");
if (imageAfterNext) imageAfterNext.src = imageAfterNext.getAttribute("data-thumb");
},500)
}
});
//make arrow keys navigate the slideshow
document.addEventListener("keydown",function(e){
e = e || window.event;
if (e.keyCode == '37') {
mySwipe.prev();
}
else if (e.keyCode == '39') {
mySwipe.next();
}
})
function getImage(index){
var image = document.querySelector('.swipe-wrap>div:nth-child('+(index+1)+') img');
return image;
}
</script>
</body>
</html>