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<!DOCTYPE html>
<html>
​
<head>
  <!-- <link href="//cdn.jsdelivr.net/picnicss/4.1.1/picnic.min.css" rel="stylesheet"> -->
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
​
<body>
​
  <nav>
    <h1>Hello Mag.JS!</h1>
    <a target="_top" href="https://github.com/magnumjs/mag.js">GitHub</a>
  </nav>
​
  <article class="card">
    <header>
      <h2>Drag and drop</h2>
    </header>
    <footer>
​
      <div id="sorter">
        <p>Drag the list items over the dustbin, and drop them to have the bin eat the item</p>
        <div id="bin" class="zoom">
          <p></p>
        </div>
        <ul>
          <li><a id="one" href="#" draggable="true">one</a>
          </li>
        </ul>
​
      </div>
​
    </footer>
  </article>
​
  <script src="//rawgit.com/magnumjs/mag.js/master/mag-latest.min.js"></script>
  <script src="//rawgit.com/magnumjs/mag.js/master/dist/mag.addons.0.22.min.js"></script>
  <script src="//cdn.rawgit.com/timruffles/ios-html5-drag-drop-shim/master/release/index.min.js"></script>
​
  <script>
   MobileDragDrop.polyfill()
  </script>
  </body>
​
</html>
 
/* Mag.JS Example - Drag and Drop
From: https://html5demos.com/drag/  */
​
var Sorter = {};
​
Sorter.controller = function(props) {
​
  this.selectedId = '';
​
  this.components = props.components;
​
​
  var eat = ['yum!', 'gulp', 'burp!', 'nom'];
​
  this.bin = {
    _ondrop: function(e) {
      e.stopPropagation(); // stops the browser from redirecting...why???
      e.target.classList.remove('over');
​
      var id = e.dataTransfer.getData('Text');
​
      this.state.selectedId = id;
​
​
      this.state.bin.p = {
        _text: eat[parseInt(Math.random() * eat.length)],
        _style: {
          opacity: 1.0
        }
      }
​
​
      var tick = () => {
        this.state.bin.p._style.opacity = +this.state.bin.p._style.opacity - 0.01;
​
        if (+this.state.bin.p._style.opacity > 0) {
          setTimeout(tick, 16)
        }
      };
      tick()
​
    },
    _ondragenter: (e) =>{
      e.preventDefault()
      e.stopPropagation()
    },
    _ondragleave: (e) =>{
      e.stopPropagation()
      e.target.classList.remove('over');
    },
    _ondragexit: (e) =>{
      e.stopPropagation()
    },
    _ondragover: function(e) {
     e.preventDefault()
      e.stopPropagation()
      e.target.classList.add('over');
      e.dataTransfer.dropEffect = 'copy';
     
    }
  }
​
};
​
Sorter.view = function(state, props) {
​
  if (state.selectedId) {
    //remove from components
    state.components = state.components.filter(item => item != state.selectedId)
  }
​
​
  state.li = state.components.map(item => {
    return {
      _text: item,
      _id: item,
      a: {
        _id: item
      },
      _ondragstart: function(e) {
        e.dataTransfer.effectAllowed = 'copy'; // only dropEffect='copy' will be dropable
        e.dataTransfer.setData('Text', e.target.id); // required otherwise doesn't work
      }
    }
  })
};
​
var props = {
  components: [1, 2, 3, 4]
}
​
​
mag.module("sorter", Sorter, props);
Output

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