app/src/main/java/de/dhbwloe/campusapp/fragments/VorlesungsplanUpcoming.java

   1 package de.dhbwloe.campusapp.fragments;
   2
   3
   4 import android.os.Bundle;
   5 import android.support.v4.app.Fragment;
   6 import android.view.LayoutInflater;
   7 import android.view.View;
   8 import android.view.ViewGroup;
   9 import android.widget.ListView;
  10
  11 import java.text.SimpleDateFormat;
  12 import java.util.ArrayList;
  13 import java.util.Date;
  14
  15 import de.dhbwloe.campusapp.CampusAppContext;
  16 import de.dhbwloe.campusapp.CampusAppFragment;
  17 import de.dhbwloe.campusapp.R;
  18 import de.dhbwloe.campusapp.vorlesungen.CourseEvent;
  19
  20 /**
  21  * A simple {@link Fragment} subclass.
  22  */
  23 public class VorlesungsplanUpcoming extends CampusAppFragment implements Vorlesungsplan.VorlesungsplanFragment {
  24     private View view;
  25     private String courseName;
  26     private ArrayList<VorlesungsplanUpcomingDayListItem> upcomingDays = new ArrayList<VorlesungsplanUpcomingDayListItem>();
  27     private VorlesungsplanUpcomingDayListAdapter upcomingDaysAdapter;
  28
  29     public VorlesungsplanUpcoming() {
  30         // Required empty public constructor
  31     }
  32
  33
  34     @Override
  35     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  36                              Bundle savedInstanceState) {
  37         view = inflater.inflate(R.layout.fragment_vorlesungsplan_upcoming, container, false);
  38
  39         String kursTag = AppContext.getDatabaseManager().getRuntimeCache("CourseName");
  40         if(kursTag == null || kursTag.isEmpty()) {
  41             return null;
  42         }
  43         courseName = kursTag;
  44
  45         ListView listView = (ListView) view.findViewById(R.id.listView);
  46         upcomingDaysAdapter = new VorlesungsplanUpcomingDayListAdapter(view.getContext(), R.layout.fragment_vorlesungsplan_upcoming_day, upcomingDays);
  47         listView.setAdapter(upcomingDaysAdapter);
  48
  49         return view;
  50     }
  51
  52     @Override
  53     public void setActive() {
  54
  55     }
  56
  57     @Override
  58     public void onResume() {
  59         super.onResume();
  60         if(courseName != null)
  61             refreshUpcomingEvents();
  62     }
  63
  64     private int getDayId(long time) {
  65         Date date = new Date(time * 1000);
  66         return getDayId(date);
  67     }
  68     private int getDayId(Date date) {
  69         SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd");
  70         return Integer.parseInt(dateFormat.format(date));
  71     }
  72
  73     private void refreshUpcomingEvents() {
  74         if(AppContext == null)
  75             AppContext = CampusAppContext.getInstance();
  76         long now = (new Date()).getTime() / 1000;
  77
  78         CourseEvent events[] = AppContext.getDatabaseManager().getCourseCalendarTimetable(courseName, now, 365);
  79         int lastDayId = 0;
  80         VorlesungsplanUpcomingDayListItem lastDayItem = null;
  81         upcomingDays.clear();
  82         for(int i = 0; i < events.length; i++) {
  83             int dayId = getDayId(events[i].getEventTo());
  84             if(dayId > lastDayId) {
  85                 lastDayItem = new VorlesungsplanUpcomingDayListItem(events[i].getEventTo());
  86                 upcomingDays.add(lastDayItem);
  87                 lastDayId = dayId;
  88             }
  89             lastDayItem.addCourseEvent(events[i]);
  90         }
  91         if(upcomingDaysAdapter != null) {
  92             upcomingDaysAdapter.notifyDataSetChanged();
  93         }
  94     }
  95
  96 }