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dropdown.html
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dropdown.html
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<!doctype html>
<html>
<head>
<link rel="stylesheet" href="css/core.css"/>
<link rel="stylesheet" href="css/user.css"/>
<script type="text/javascript" src="config.js"></script>
<script type="text/javascript" src="js/core.js"></script>
<script>
lyricBlocks = document.getElementsByClassName('lyrics');
last_lyrics_text = '';
function callback_lyrics_current(lines) {
// Build new inner HTML for lyrics
html = lyrics_text_html(lines);
newId = new Date().getTime().toString();
if(html == last_lyrics_text) {
// Don't re-animate if the two slides are the same
return true;
}
last_lyrics_text = html;
// Delete existing lyrics
lyricBlocksExisting = document.getElementsByClassName('lyrics');
for(var b = 0; b < lyricBlocksExisting.length; b++) {
thisId = lyricBlocksExisting[b].id;
if(thisId == newId) {
continue;
}
lyricLinesExisting = lyricBlocksExisting[b].getElementsByTagName('span');
for(var i = 0; i < lyricLinesExisting.length; i++) {
lyricLinesExisting[i].style.marginTop = '2.2rem';
}
setTimeout(function(block) {
if(typeof block !== 'undefined') {
block.parentNode.removeChild(block);
}
}, 650, lyricBlocksExisting[b]);
}
if(html == '') {
return true;
}
// Create new lyrics
newElement = document.createElement("div");
newElement.className = "lyrics";
newElement.id = newId;
newElement.innerHTML = html;
lines = newElement.getElementsByTagName('span');
// The lyric lines all start out of frame
for(var i = 0; i < lines.length; i++) {
lines[i].style.marginTop = "-2.2rem";
}
// Add new lyrics to DOM
document.getElementById('container').appendChild(newElement);
// Animate in new lyrics
setTimeout(function() {
newElements = document.getElementsByClassName('lyrics');
newElement = newElements[newElements.length - 1];
lines = newElement.getElementsByTagName('span');
for(var i = 0; i < lines.length; i++) {
lines[i].style.marginTop = "0px";
}
}, 50);
}
</script>
<style>
.container {
display: block;
}
.lyrics {
position: absolute;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
display: flex;
align-items: center;
justify-content: center;
flex-direction: column;
}
.lyrics p {
display: block;
height: 2.2rem;
margin-bottom: 1rem;
overflow: hidden;
width: 100%;
}
.lyrics p span {
transition-delay: 0s;
transition: 0.3s;
transition-timing-function: ease-in;
display: block;
margin-top: -50px;
}
</style>
</head>
<body>
<div class="container center uppercase" id="container">
<div class="lyrics" id="0"><!-- Lyrics go here --></div>
</div>
</body>
</html>