2D Canvas Getting properties with event handlers

View this example full screen.

JavaScript of 2D Canvas Getting properties with event handlers

function initialize()
{
    var oMapOptions = {
        coStrType: zhupiter.CoStr.CoStrType.CANVAS2D,
        center: new zhupiter.CoStr.Point2D(214.0909703111111, 109.72328593151204),
        zoom: 12
    };
    var oMapDiv = document.getElementById('map_canvas');
    var oCoStrMap = new zhupiter.CoStr.Map(oMapDiv, oMapOptions);

    //@ Here, listens the DOM event after the window.load event.
    zhupiter.CoStr.event.addDomListener(oMapDiv, 'click', myAlert);
}

function myAlert()
{
    window.alert('DIV clicked');
}

zhupiter.CoStr.event.addDomListener(window, 'load', initialize);

JavaScript + HTML of 2D Canvas Getting properties with event handlers

<!DOCTYPE html>
<html>
    <head>
        <meta name='viewport' content='initial-scale=1.0, user-scalable=no'>
        <meta charset='utf-8'>
        <title>2D Canvas Getting properties with event handlers</title>
        <style>
        html, body, #map_canvas {
        height: 100%;
        margin: 0px;
        padding: 0px
        }
        </style>
        <script src='http://costr.zhupiter.com/js/'></script>
        <script>
function initialize()
{
    var oMapOptions = {
        coStrType: zhupiter.CoStr.CoStrType.CANVAS2D,
        center: new zhupiter.CoStr.Point2D(214.0909703111111, 109.72328593151204),
        zoom: 12
    };
    var oMapDiv = document.getElementById('map_canvas');
    var oCoStrMap = new zhupiter.CoStr.Map(oMapDiv, oMapOptions);

    //@ Here, listens the DOM event after the window.load event.
    zhupiter.CoStr.event.addDomListener(oMapDiv, 'click', myAlert);
}

function myAlert()
{
    window.alert('DIV clicked');
}

zhupiter.CoStr.event.addDomListener(window, 'load', initialize);
        </script>
    </head>
    <body>
        <div id='map_canvas'></div>
    </body>
</html>

CoString | Donate bitcoin: 1LX5KC19tXCPK8y72Z6LVoZjoSaCp9P6K