examples/themes.html

<!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="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>
  <div id="title"></div>
  <div id="viewer" class="spreads"></div>
  <a id="prev" href="#prev" class="arrow">‹</a>
  <a id="next" href="#next" class="arrow">›</a>

  <script>
    var currentSectionIndex = 8;
    // Load the opf
    var book = ePub("https://s3.amazonaws.com/epubjs/books/alice/OPS/package.opf");
    var rendition = book.renderTo("viewer", {
      width: "100%",
      height: 600,
      manager: "continuous"
    });

    rendition.display("chapter_007.xhtml");

    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);


    rendition.on("rendered", function(section){
      var nextSection = section.next();
      var prevSection = section.prev();
      var current = book.navigation.get(section.href);

      if (current) {
        title.textContent = current.label;
      }

      if(nextSection) {
        next.textContent = "›";
      } else {
        next.textContent = "";
      }

      if(prevSection) {
        prev.textContent = "‹";
      } else {
        prev.textContent = "";
      }


    });

    rendition.on("relocated", function(location){
      console.log(location);
    });


    rendition.themes.register("dark", "themes.css");
    rendition.themes.register("light", "themes.css");
    rendition.themes.register("tan", "themes.css");


    rendition.themes.default({
      h2: {
        'font-size': '32px',
        color: 'purple'
      },
      p: {
        "margin": '10px'
      }
    });

    rendition.themes.select("tan");
    rendition.themes.fontSize("140%");

  </script>

</body>
</html>