kendo ui chart with angular - handling series click

kuichartangular_seriesclick.js

 $scope.onSeriesClick = function(e){
    var categorySelected = e.category;
    if(categorySelected === "MSIE")
    {
         $scope.chartDataSource.data($scope.msieData);
    }
    else if(categorySelected ===  "Firefox")
    {
        $scope.chartDataSource.data($scope.ffData);
    }
    else if(categorySelected ===  "Chrome")
    {
        $scope.chartDataSource.data($scope.chromeData);
    }
    else if(categorySelected ===  "Safari")
    {
        $scope.chartDataSource.data($scope.safariData);
    }
    else if(categorySelected ===  "Opera")
    {
        $scope.chartDataSource.data($scope.operaData);
    }
    else
    {
        $scope.chartDataSource.data($scope.initialData);
    }
};