epubjs
Version:
Parse and Render Epubs
141 lines (105 loc) • 3.86 kB
HTML
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>EPUB.js Continuous Spreads Example</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.5/jszip.min.js"></script>
<script src="../dist/epub.js"></script>
<link rel="stylesheet" type="text/css" href="examples.css">
</head>
<body>
<select id="toc"></select>
<div id="viewer" class="spreads"></div>
<div id="prev" class="arrow">‹</div>
<div id="next" class="arrow">›</div>
<script>
var params = URLSearchParams && new URLSearchParams(document.location.search.substring(1));
var url = params && params.get("url") && decodeURIComponent(params.get("url"));
var currentSectionIndex = (params && params.get("loc")) ? params.get("loc") : undefined;
// Load the opf
window.book = ePub(url || "https://s3.amazonaws.com/moby-dick/moby-dick.epub");
var rendition = book.renderTo("viewer", {
manager: "continuous",
flow: "paginated",
width: "100%",
height: 600
});
var displayed = rendition.display(currentSectionIndex);
displayed.then(function(renderer){
// -- do stuff
});
// Navigation loaded
book.loaded.navigation.then(function(toc){
// console.log(toc);
});
book.ready.then(() => {
var next = document.getElementById("next");
next.addEventListener("click", function(e){
book.package.metadata.direction === "rtl" ? rendition.prev() : rendition.next();
e.preventDefault();
}, false);
var prev = document.getElementById("prev");
prev.addEventListener("click", function(e){
book.package.metadata.direction === "rtl" ? rendition.next() : rendition.prev();
e.preventDefault();
}, false);
var keyListener = function(e){
// Left Key
if ((e.keyCode || e.which) == 37) {
book.package.metadata.direction === "rtl" ? rendition.next() : rendition.prev();
}
// Right Key
if ((e.keyCode || e.which) == 39) {
book.package.metadata.direction === "rtl" ? rendition.prev() : rendition.next();
}
};
rendition.on("keyup", keyListener);
document.addEventListener("keyup", keyListener, false);
});
rendition.on("selected", function(range) {
console.log("selected", range);
});
rendition.on("layout", function(layout) {
let viewer = document.getElementById("viewer");
if (layout.spread) {
viewer.classList.remove('single');
} else {
viewer.classList.add('single');
}
});
rendition.on("relocated", function(location){
console.log(location);
var next = book.package.metadata.direction === "rtl" ? document.getElementById("prev") : document.getElementById("next");
var prev = book.package.metadata.direction === "rtl" ? document.getElementById("next") : document.getElementById("prev");
if (location.atEnd) {
next.style.visibility = "hidden";
} else {
next.style.visibility = "visible";
}
if (location.atStart) {
prev.style.visibility = "hidden";
} else {
prev.style.visibility = "visible";
}
});
book.loaded.navigation.then(function(toc){
var $select = document.getElementById("toc"),
docfrag = document.createDocumentFragment();
toc.forEach(function(chapter) {
var option = document.createElement("option");
option.textContent = chapter.label;
option.ref = chapter.href;
docfrag.appendChild(option);
});
$select.appendChild(docfrag);
$select.onchange = function(){
var index = $select.selectedIndex,
url = $select.options[index].ref;
rendition.display(url);
return false;
};
});
</script>
</body>
</html>