HTML5 Canvas Drag and Drop Multiple Shapes

Instructions: Drag and drop the shapes or remove them by double clicking or double tapping. Open in new window

Code Editor

<!DOCTYPE HTML>
<html>
  <head>
    <style>
      body {
        margin: 0px;
        padding: 0px;
      }
      canvas {
        border: 1px solid #9C9898;
      }
    </style>
    <script src="http://www.html5canvastutorials.com/libraries/kinetic-v4.0.0.js"></script>
    <script>
      window.onload = function() {
        var stage = new Kinetic.Stage({
          container: "container",
          width: 578,
          height: 200
        });
        var layer = new Kinetic.Layer();
        var colors = ["red", "orange", "yellow", "green", "blue", "purple"];

for(var n = 0; n < 6; n++) {
          // anonymous function to induce scope
          (function() {
            var i = n;
            var box = new Kinetic.Rect({
              x: i * 30 + 150,
              y: i * 18 + 40,
              fill: colors[i],
              stroke: "black",
              strokeWidth: 4,
              draggable: true,
              width: 100,
              height: 50
            });

box.on("dragstart", function() {
              box.moveToTop();
              layer.draw();
            });

box.on("dragmove", function() {
              document.body.style.cursor = "pointer";
            });
            /*
             * dblclick to remove box for desktop app
             * and dbltap to remove box for mobile app
             */
            box.on("dblclick dbltap", function() {
              layer.remove(box);
              layer.draw();
            });

box.on("mouseover", function() {
              document.body.style.cursor = "pointer";
            });
            box.on("mouseout", function() {
              document.body.style.cursor = "default";
            });

layer.add(box);
          })();
        }

stage.add(layer);
      };

</script>
  </head>
  <body onmousedown="return false;">
    <div id="container"></div>
  </body>
</html>

Open in new window

Code Editor

<!DOCTYPE HTML>
<html>
  <head>
    <style>
      body {
        margin: 0px;
        padding: 0px;
      }
    </style>
  </head>
  <body>
    <div id="container"></div>
    <script src="http://d3lp1msu2r81bx.cloudfront.net/kjs/js/lib/kinetic-v4.3.1.min.js"></script>
    <script>
      var stage = new Kinetic.Stage({
        container: 'container',
        width: 578,
        height: 200
      });
      var layer = new Kinetic.Layer();
      var colors = ['red', 'orange', 'yellow', 'green', 'blue', 'purple'];

for(var n = 0; n < 6; n++) {
        // anonymous function to induce scope
        (function() {
          var i = n;
          var box = new Kinetic.Rect({
            x: i * 30 + 150,
            y: i * 18 + 40,
            fill: colors[i],
            stroke: 'black',
            strokeWidth: 4,
            draggable: true,
            width: 100,
            height: 50
          });

box.on('dragmove', function() {
            document.body.style.cursor = 'pointer';
          });
          /*
           * dblclick to remove box for desktop app
           * and dbltap to remove box for mobile app
           */
          box.on('dblclick dbltap', function() {
            box.remove();
            layer.draw();
          });

box.on('mouseover', function() {
            document.body.style.cursor = 'pointer';
          });
          box.on('mouseout', function() {
            document.body.style.cursor = 'default';
          });

layer.add(box);
        })();
      }

stage.add(layer);

</script>
  </body>
</html>

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Modified on August 20th, 2012 by Eric Rowell