anchor.diff:  import 'dart:html';
   import 'package:angular2/core.dart';
   import 'package:intl/intl.dart';
  +import 'day_component.dart';
   
   @Component(
     selector: 'datepicker',
     templateUrl: 'datepicker_component.html',
  -  styleUrls: const['datepicker_component.css']
  +  styleUrls: const['datepicker_component.css'],
  +  directives: const[DayComponent]
   )
   
  -class DatepickerComponent implements OnInit{
  +class DatepickerComponent implements OnInit, AfterContentInit, AfterViewInit{
   
     @Input() String componentId;
   
  
positive.code:   String initialDate;
    DateFormat dateFormat = new DateFormat("yyyy-MM-dd");
    bool hidden = true;
  
    @override
    void ngOnInit() {
      datepickerId = componentId+"-datepicker";
      var now = new DateTime.now();
      initialDate = dateFormat.format(now);
    }
  
    void toggleDatepicker() {
  
negative.code:   }
  
    void showDatepicker() {
      hostElement.querySelector("#$datepickerId").classes.remove("hide");
      hidden = false;
      inputDate.focus();
    }
  
    void hideDatepicker() {
      hostElement.querySelector("#$datepickerId").classes.add("hide");
      hidden = true;
    }
  
  