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var p = /^(?:https?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/(?:embed\/|v\/|watch\?v=|watch\?.+&v=))((\w|-){11})(?:\S+)?$/;
return (url.match(p)) ? RegExp.$1 : false;
}
function is_imagelink(url) {
var p = /([a-z\-_0-9\/\:\.]*\.(jpg|jpeg|png|gif))/i;
return (url.match(p)) ? true : false;
}
function is_vimeolink(url,el) {
var id = false;
var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == XMLHttpRequest.DONE) { // XMLHttpRequest.DONE == 4
if (xmlhttp.status == 200) {
var response = JSON.parse(xmlhttp.responseText);
id = response.video_id;
console.log(id);
el.classList.add('lightbox-vimeo');
el.setAttribute('data-id',id);
el.addEventListener("click", function(event) {
event.preventDefault();
document.getElementById('lightbox').innerHTML = '<a id="close"></a><a id="next">›</a><a id="prev">‹</a><div class="videoWrapperContainer"><div class="videoWrapper"><iframe src="https://player.vimeo.com/video/'+el.getAttribute('data-id')+'/?autoplay=1&byline=0&title=0&portrait=0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div></div>';
document.getElementById('lightbox').style.display = 'block';
setGallery(this);
});
}
else if (xmlhttp.status == 400) {
alert('There was an error 400');
}
else {
alert('something else other than 200 was returned');
}
}
};
xmlhttp.open("GET", 'https://vimeo.com/api/oembed.json?url='+url, true);
xmlhttp.send();
}
function setGallery(el) {
var elements = document.body.querySelectorAll(".gallery");
elements.forEach(element => {
element.classList.remove('gallery');
});
if(el.closest('ul, p')) {
var link_elements = el.closest('ul, p').querySelectorAll("a[class*='lightbox-']");
link_elements.forEach(link_element => {
link_element.classList.remove('current');
});
link_elements.forEach(link_element => {
if(el.getAttribute('href') == link_element.getAttribute('href')) {
link_element.classList.add('current');
}
});
if(link_elements.length>1) {
document.getElementById('lightbox').classList.add('gallery');
link_elements.forEach(link_element => {
link_element.classList.add('gallery');
});
}
var currentkey;
var gallery_elements = document.querySelectorAll('a.gallery');
Object.keys(gallery_elements).forEach(function (k) {
if(gallery_elements[k].classList.contains('current')) currentkey = k;
});
if(currentkey==(gallery_elements.length-1)) var nextkey = 0;
else var nextkey = parseInt(currentkey)+1;
if(currentkey==0) var prevkey = parseInt(gallery_elements.length-1);
else var prevkey = parseInt(currentkey)-1;
document.getElementById('next').addEventListener("click", function() {
gallery_elements[nextkey].click();
});
document.getElementById('prev').addEventListener("click", function() {
gallery_elements[prevkey].click();
});
}
}
document.addEventListener("DOMContentLoaded", function() {
//create lightbox div in the footer
var newdiv = document.createElement("div");
newdiv.setAttribute('id',"lightbox");
document.body.appendChild(newdiv);
//add classes to links to be able to initiate lightboxes
var elements = document.querySelectorAll('a');
elements.forEach(element => {
var url = element.getAttribute('href');
if(url) {
if(url.indexOf('vimeo') !== -1 && !element.classList.contains('no-lightbox')) {
is_vimeolink(url,element);
}
if(is_youtubelink(url) && !element.classList.contains('no-lightbox')) {
element.classList.add('lightbox-youtube');
element.setAttribute('data-id',is_youtubelink(url));
}
if(is_imagelink(url) && !element.classList.contains('no-lightbox')) {
element.classList.add('lightbox-image');
var href = element.getAttribute('href');
var filename = href.split('/').pop();
var split = filename.split(".");
var name = split[0];
element.setAttribute('title',name);
}
}
});
//remove the clicked lightbox
document.getElementById('lightbox').addEventListener("click", function(event) {
if(event.target.id != 'next' && event.target.id != 'prev'){
this.innerHTML = '';
document.getElementById('lightbox').style.display = 'none';
}
});
//add the youtube lightbox on click
var elements = document.querySelectorAll('a.lightbox-youtube');
elements.forEach(element => {
element.addEventListener("click", function(event) {
event.preventDefault();
document.getElementById('lightbox').innerHTML = '<a id="close"></a><a id="next">›</a><a id="prev">‹</a><div class="videoWrapperContainer"><div class="videoWrapper"><iframe src="https://www.youtube.com/embed/'+this.getAttribute('data-id')+'?autoplay=1&showinfo=0&rel=0"></iframe></div>';
document.getElementById('lightbox').style.display = 'block';
setGallery(this);
});
});
//add the image lightbox on click
var elements = document.querySelectorAll('a.lightbox-image');
elements.forEach(element => {
element.addEventListener("click", function(event) {
event.preventDefault();
document.getElementById('lightbox').innerHTML = '<a id="close"></a><a id="next">›</a><a id="prev">‹</a><div class="img" style="background: url(\''+this.getAttribute('href')+'\') center center / contain no-repeat;" title="'+this.getAttribute('title')+'" ><img src="'+this.getAttribute('href')+'" alt="'+this.getAttribute('title')+'" /></div><span>'+this.getAttribute('title')+'</span>';
document.getElementById('lightbox').style.display = 'block';
setGallery(this);
});
});
});- Loading branch information
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