App.Views.DocBill = Backbone.View.extend({
  template: _.template('<button class="btn tool<%= button_class %>"><i class="fa fa-fw fa-lg fa-angle-up"></i>Bill</button>'),
  initialize : function(opts) {
    this.doc = opts.doc;
    this.views = {};
    this.tmp_doc = new App.Models.Sales({
        org_id: this.doc.get('org_id'),
        doc_id: this.doc.get('id')
      });
    this.tmp_doc.fetch({reset:true});
    this.listenTo(this.tmp_doc,'reset',this.render());
  },
  render : function() {
    console.log(this.tmp_doc);
    console.log(this.tmp_doc.get('doc_status'));
    var button_class = '';
    switch(this.tmp_doc.doc_status){
      case 'drafted':
        button_class = ' btn-default';
        break;
      case 'pushed':
        button_class = ' btn-success';
        break;
      default:
        break;
    }
    this.$el.html(this.template({'button_class':button_class}));
  }
});