text: import Ember from 'ember';
  
  export default Ember.Mixin.create({
      classNames: ['draggable'],
      classNameBindings: ['isDragging'],
  
      attributeBindings: ['draggable'],
      draggable: 'true', // must be the string 'true'
      isDraggable: true,
  
      dragStart: function(event) {
          this.set('isDragging', true);
      },
  
      dragEnd: function() {
          this.set('isDragging', false);
      }
  });
  