examples/events.html

<!DOCTYPE html>
<html>
  <head>
    <link href="../css/perfect-scrollbar.css" rel="stylesheet">
    <script src="../dist/perfect-scrollbar.js"></script>
    <style>
    #container {
      position: relative;
      margin: 0px auto;
      padding: 0px;
      width: 600px;
      height: 400px;
      overflow: auto;
    }
    #container .content {
      background-image: url('./assets/azusa.jpg');
      width: 1280px;
      height: 720px;
    }
    table {
      width: 600px;
      margin: 30px auto;
    }
    table td:first-child {
      width: 200px;
      padding-right: 10px;
      text-align: right;
      font-weight: bold;
    }
    </style>
  </head>
  <body>
    <div id="container">
      <div class="content">
      </div>
    </div>

    <table>
      <tr>
        <td>Axis:</td>
        <td id="axis"></td>
      </tr>
      <tr>
        <td>Direction:</td>
        <td id="direction"></td>
      </tr>
      <tr>
        <td>Reach event:</td>
        <td id="reach-event"></td>
      </tr>
      <tr>
        <td>Reach state (<code>ps.reach</code>):</td>
        <td id="reach-state"></td>
      </tr>
    </table>

    <script>
    var $ = document.querySelector.bind(document);

    var container = $('#container');
    var axis = $('#axis');
    var direction = $('#direction');
    var reachEvent = $('#reach-event');
    var reachState = $('#reach-state');

    var ps = new PerfectScrollbar(container);

    function showReachState() {
      reachState.textContent = JSON.stringify(ps.reach);
    }

    showReachState();
    container.addEventListener('scroll', showReachState);

    container.addEventListener('ps-scroll-y', function () {
      axis.textContent = 'ps-scroll-y';
      reachEvent.textContent = '';
    });

    container.addEventListener('ps-scroll-x', function () {
      axis.textContent = 'ps-scroll-x';
      reachEvent.textContent = '';
    });

    container.addEventListener('ps-scroll-up', function () {
      direction.textContent = 'ps-scroll-up';
    });

    container.addEventListener('ps-scroll-down', function () {
      direction.textContent = 'ps-scroll-down';
    });

    container.addEventListener('ps-scroll-left', function () {
      direction.textContent = 'ps-scroll-left';
    });

    container.addEventListener('ps-scroll-right', function () {
      direction.textContent = 'ps-scroll-right';
    });

    container.addEventListener('ps-y-reach-start', function () {
      reachEvent.textContent = 'ps-y-reach-start';
    });

    container.addEventListener('ps-y-reach-end', function () {
      reachEvent.textContent = 'ps-y-reach-end';
    });

    container.addEventListener('ps-x-reach-start', function () {
      reachEvent.textContent = 'ps-x-reach-start';
    });

    container.addEventListener('ps-x-reach-end', function () {
      reachEvent.textContent = 'ps-x-reach-end';
    });
    </script>
  </body>
</html>