# Pastebin vL2bkg61
app.controller('MainCtrl', function($scope) {
  $scope.options = {
    chart: {
      type: 'lineChart',
      noData: '',
      xAxis: {
        showMaxMin: false,
        tickFormat: function(d) {
          return d3.time.format('%d/%m %H:%M')(new Date(d));
        }
      },
      callback: function(chart) {
        console.log("callback");
        chart.noData("Teste");
        $scope.options.chart.noData = "teste";
        return chart;
      }
    }
  };


  $scope.data = [{
    "key": "data1",
    "values": []
  }];
});