Ember <3 for Udi

udi.js

// {{source-wat}}
App.SourceWatComponent = Ember.Component.extend({
    attributeBindings: ['draggable'],
    draggable: 'true',
    dragStart: function(e) {
        console.log("drag start");
    }
});

// {{dest-wat}}
App.DestWatComponent = Ember.Component.extend({
    classNameBindings: ["isMemberOver"],
    isMemberOver: false,
    dragEnter: function(e) {
        this.set('isMemberOver', true);
    },
    dragLeave: function(e) {
        this.set('isMemberOver', false);
    }
});