74 lines
2.2 KiB
JavaScript
74 lines
2.2 KiB
JavaScript
|
/*
|
||
|
|
Put this file in /static/js/load-photoswipe.js
|
||
|
|
Documentation and licence at https://github.com/liwenyip/hugo-easy-gallery/
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* TODO: Make the share function work */
|
||
|
|
$( document ).ready(function() {
|
||
|
|
/*
|
||
|
|
Initialise Photoswipe
|
||
|
|
*/
|
||
|
|
var items = []; // array of slide objects that will be passed to PhotoSwipe()
|
||
|
|
// for every figure element on the page:
|
||
|
|
$('figure').each( function() {
|
||
|
|
if ($(this).attr('class') == 'no-photoswipe') return true; // ignore any figures where class="no-photoswipe"
|
||
|
|
// get properties from child a/img/figcaption elements,
|
||
|
|
var $figure = $(this),
|
||
|
|
$a = $figure.find('a'),
|
||
|
|
$img = $figure.find('img'),
|
||
|
|
$src = $a.attr('href'),
|
||
|
|
$title = $img.attr('alt'),
|
||
|
|
$msrc = $img.attr('src');
|
||
|
|
// if data-size on <a> tag is set, read it and create an item
|
||
|
|
if ($a.data('size')) {
|
||
|
|
var $size = $a.data('size').split('x');
|
||
|
|
var item = {
|
||
|
|
src : $src,
|
||
|
|
w : $size[0],
|
||
|
|
h : $size[1],
|
||
|
|
title : $title,
|
||
|
|
msrc : $msrc
|
||
|
|
};
|
||
|
|
console.log("Using pre-defined dimensions for " + $src);
|
||
|
|
// if not, set temp default size then load the image to check actual size
|
||
|
|
} else {
|
||
|
|
var item = {
|
||
|
|
src : $src,
|
||
|
|
w : 800, // temp default size
|
||
|
|
h : 600, // temp default size
|
||
|
|
title : $title,
|
||
|
|
msrc : $msrc
|
||
|
|
};
|
||
|
|
console.log("Using default dimensions for " + $src);
|
||
|
|
// load the image to check its dimensions
|
||
|
|
// update the item as soon as w and h are known (check every 30ms)
|
||
|
|
var img = new Image();
|
||
|
|
img.src = $src;
|
||
|
|
var wait = setInterval(function() {
|
||
|
|
var w = img.naturalWidth,
|
||
|
|
h = img.naturalHeight;
|
||
|
|
if (w && h) {
|
||
|
|
clearInterval(wait);
|
||
|
|
item.w = w;
|
||
|
|
item.h = h;
|
||
|
|
console.log("Got actual dimensions for " + img.src);
|
||
|
|
}
|
||
|
|
}, 30);
|
||
|
|
}
|
||
|
|
// Save the index of this image then add it to the array
|
||
|
|
var index = items.length;
|
||
|
|
items.push(item);
|
||
|
|
// Event handler for click on a figure
|
||
|
|
$figure.on('click', function(event) {
|
||
|
|
event.preventDefault(); // prevent the normal behaviour i.e. load the <a> hyperlink
|
||
|
|
// Get the PSWP element and initialise it with the desired options
|
||
|
|
var $pswp = $('.pswp')[0];
|
||
|
|
var options = {
|
||
|
|
index: index,
|
||
|
|
bgOpacity: 0.8,
|
||
|
|
showHideOpacity: true
|
||
|
|
}
|
||
|
|
new PhotoSwipe($pswp, PhotoSwipeUI_Default, items, options).init();
|
||
|
|
});
|
||
|
|
});
|
||
|
|
});
|