sweir27

dragStart: function(e) {
  this.setState({dragMouseStart: e.clientY, draggingElementId: e.currentTarget.getAttribute('data-slug')})
  e.dataTransfer.effectAllowed = 'move';
},
dragOver: function(e) {
  e.preventDefault();

  var over = e.currentTarget; // element we're hovering over
  var draggingId = this.state.draggingElementId;
  var toElId = over.getAttribute('data-slug');