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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>EPUB.js Spreads Example</title>
<script src="../dist/epub.js"></script>
<link rel="stylesheet" type="text/css" href="examples.css">
</head>
<body>
<h1 id="title">...</h1>
<div id="opener">
<svg height="24px" id="hamburger" style="enable-background:new 0 0 32 32;" version="1.1" viewBox="0 0 32 32" width="32px" xml:space="preserve" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<path d="M4,10h24c1.104,0,2-0.896,2-2s-0.896-2-2-2H4C2.896,6,2,6.896,2,8S2.896,10,4,10z M28,14H4c-1.104,0-2,0.896-2,2 s0.896,2,2,2h24c1.104,0,2-0.896,2-2S29.104,14,28,14z M28,22H4c-1.104,0-2,0.896-2,2s0.896,2,2,2h24c1.104,0,2-0.896,2-2 S29.104,22,28,22z"/>
</svg>
</div>
<div id="viewer" class="spreads"></div>
<a id="prev" href="#prev" class="arrow">‹</a>
<a id="next" href="#next" class="arrow">›</a>
<div id="navigation" class="closed">
<div id="closer">
<svg viewbox="0 0 40 40">
<path class="close-x" d="M 10,10 L 30,30 M 30,10 L 10,30" />
</svg>
</div>
<image id="cover" width="150px"/>
<h2 id="author">...</h2>
<div id="toc"></div>
</div>
<script>
var src = window.location.search ?
window.location.search.replace("?href=", '') :
"https://readium2.now.sh/pub/L2hvbWUvbm93dXNlci9zcmMvbWlzYy9lcHVicy9jaGlsZHJlbnMtbGl0ZXJhdHVyZS5lcHVi/manifest.json" ;
var book = ePub(src);
var rendition = book.renderTo("viewer", {
width: "100%",
height: 600
});
rendition.display();
var title = document.getElementById("title");
var next = document.getElementById("next");
next.addEventListener("click", function(e){
rendition.next();
e.preventDefault();
}, false);
var prev = document.getElementById("prev");
prev.addEventListener("click", function(e){
rendition.prev();
e.preventDefault();
}, false);
var keyListener = function(e){
// Left Key
if ((e.keyCode || e.which) == 37) {
rendition.prev();
}
// Right Key
if ((e.keyCode || e.which) == 39) {
rendition.next();
}
};
rendition.on("keyup", keyListener);
document.addEventListener("keyup", keyListener, false);
var navigation = document.getElementById("navigation");
var opener = document.getElementById("opener");
opener.addEventListener("click", function(e){
navigation.classList.remove("closed");
e.preventDefault();
}, false);
var closer = document.getElementById("closer");
closer.addEventListener("click", function(e){
navigation.classList.add("closed");
e.preventDefault();
}, false);
book.loaded.navigation.then(function(toc){
var $nav = document.getElementById("toc"),
docfrag = document.createDocumentFragment();
var addTocItems = function (parent, tocItems) {
var $ul = document.createElement("ul");
tocItems.forEach(function(chapter) {
var item = document.createElement("li");
var link = document.createElement("a");
link.textContent = chapter.label;
link.href = chapter.href;
item.appendChild(link);
if (chapter.subitems) {
addTocItems(item, chapter.subitems)
}
link.onclick = function(){
var url = link.getAttribute("href");
rendition.display(url);
navigation.classList.add("closed");
return false;
};
$ul.appendChild(item);
});
parent.appendChild($ul);
};
addTocItems(docfrag, toc);
$nav.appendChild(docfrag);
if ($nav.offsetHeight + 60 < window.innerHeight) {
$nav.classList.add("fixed");
}
});
book.loaded.metadata.then(function(meta){
var $title = document.getElementById("title");
var $author = document.getElementById("author");
var $cover = document.getElementById("cover");
$title.textContent = meta.title;
$author.textContent = meta.creator;
if (book.archive) {
book.archive.createUrl(book.cover)
.then(function (url) {
$cover.src = url;
})
} else {
$cover.src = book.cover;
}
});
rendition.on("rendered", function(section){
var nextSection = section.next();
var prevSection = section.prev();
if(nextSection) {
next.textContent = "›";
} else {
next.textContent = "";
}
if(prevSection) {
prev.textContent = "‹";
} else {
prev.textContent = "";
}
});
rendition.on("relocated", function(location){
var current = book.navigation.get(location.href);
if (current) {
title.textContent = current.label;
}
console.log(location);
});
window.addEventListener("unload", function () {
this.book.destroy();
});
</script>
</body>
</html>
|
