Meteor Template.rendered for JQueryUI Draggable

gistfile1.js

Template.item.rendered = function () {
    var item = Items.findOne(this.data._id);
    var item_left = item.left;
    var item_top = item.top;
    $(this.find('.draggable')).draggable({
      cursor: 'move', stop: 
        function () {
          var self = $(this);
          Items.update(this._id, {$set: {top: self.css('top'), left: self.css('left')}});
        }
    }).css({'top': item_top, 'left': item_left });
  }