DIR : /home/kozerus/public_html/go/konva_containers.html

/home/kozerus/public_html/go

Konva Move Shape to Another Container Demo
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<!DOCTYPE html>
<html>
  <head>
    <script src="https://unpkg.com/konva@8.3.1/konva.min.js"></script>
    <meta charset="utf-8" />
    <title>Konva Move Shape to Another Container Demo</title>
    <style>
      body {
        margin: 0;
        padding: 0;
        overflow: hidden;
        background-color: #f0f0f0;
      }
      #buttons {
        position: absolute;
        left: 10px;
        top: 0;
      }
      button {
        margin-top: 10px;
        display: block;
      }
    </style>
  </head>
  <body>
    <div id="container"></div>
    <div id="buttons">
      <button id="toBlue">Move red box to blue group</button>
      <button id="toYellow">Move red box to yellow group</button>
    </div>
    <script>
      var width = window.innerWidth;
      var height = window.innerHeight;

      var stage = new Konva.Stage({
        container: 'container',
        width: width,
        height: height,
      });

      var layer = new Konva.Layer();
      var yellowGroup = new Konva.Group({
        x: 100,
        y: 100,
        draggable: true,
      });
      var blueGroup = new Konva.Group({
        x: 300,
        y: 80,
        draggable: true,
      });

      var box = new Konva.Rect({
        x: 10,
        y: 10,
        width: 100,
        height: 50,
        fill: 'red',
        stroke: 'black',
      });

      var yellowCircle = new Konva.Circle({
        x: 0,
        y: 0,
        radius: 50,
        fill: 'yellow',
        stroke: 'black',
      });

      var blueCircle = new Konva.Circle({
        x: 0,
        y: 0,
        radius: 50,
        fill: 'blue',
        stroke: 'black',
      });

      // build node tree
      yellowGroup.add(yellowCircle);
      yellowGroup.add(box);
      blueGroup.add(blueCircle);
      layer.add(yellowGroup);
      layer.add(blueGroup);
      stage.add(layer);

      // add button event bindings
      document.getElementById('toBlue').addEventListener(
        'click',
        function () {
          box.moveTo(blueGroup);
        },
        false
      );

      document.getElementById('toYellow').addEventListener(
        'click',
        function () {
          box.moveTo(yellowGroup);
        },
        false
      );
    </script>
  </body>
</html>

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17.Aug.2010, Martin Wengenmayer