src/ro/ieval/unical/EventListActivity.java

   1 package ro.ieval.unical;
   2
   3 import android.app.ListActivity;
   4 import android.content.Context;
   5 import android.content.Intent;
   6 import android.os.Bundle;
   7 import android.view.LayoutInflater;
   8 import android.view.Menu;
   9 import android.view.MenuInflater;
  10 import android.view.MenuItem;
  11 import android.view.View;
  12 import android.view.ViewGroup;
  13 import android.widget.AdapterView.OnItemClickListener;
  14 import android.widget.AdapterView;
  15 import android.widget.ArrayAdapter;
  16 import android.widget.ListView;
  17 import android.widget.TextView;
  18 import java.text.DateFormat;
  19 import java.util.Arrays;
  20 import java.util.Comparator;
  21 import java.util.Date;
  22
  23 public final class EventListActivity extends ListActivity {
  24         private static class EventComparator implements Comparator<Event> {
  25                 @Override
  26                 public int compare(final Event lhs, final Event rhs) {
  27                         if(lhs.dtstart < rhs.dtstart)
  28                                 return -1;
  29                         if(lhs.dtstart == rhs.dtstart)
  30                                 return 0;
  31                         return 1;
  32                 }
  33
  34         }
  35
  36         private class EventAdapter extends ArrayAdapter<Event> {
  37                 public EventAdapter() {//NOPMD
  38                         super(EventListActivity.this, R.layout.event_row_layout, events);
  39                 }
  40
  41                 @Override
  42                         public View getView(final int position, final View convertView, final ViewGroup parent) {
  43                         final LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  44                         final View rowView = inflater.inflate(R.layout.event_row_layout, parent, false);
  45                         final TextView title = (TextView) rowView.findViewById(R.id.smalleventtitle);
  46                         final TextView dstart = (TextView) rowView.findViewById(R.id.smalldatestart);
  47                         final TextView dend = (TextView) rowView.findViewById(R.id.smalldateend);
  48                         final View header = rowView.findViewById(R.id.rowHeader);
  49                         final DateFormat format = DateFormat.getDateTimeInstance();
  50                         header.setBackgroundColor(events[position].eventColour);
  51                         title.setText(events[position].title);
  52                         dstart.setText(format.format(new Date(events[position].dtstart)));
  53                         dend.setText(format.format(new Date(events[position].dtend)));
  54
  55                         return rowView;
  56                 }
  57         }
  58
  59         private Event[] events;
  60
  61         @Override
  62         public void onListItemClick(final ListView view, final View v, final int pos, final long id) {
  63                 DisplayEventActivity.displayEvent(this, events[pos]._id);
  64         }
  65
  66         private void displayEvents() {
  67                 events = Event.getAllEvents(this);
  68
  69                 Arrays.sort(events, new EventComparator());
  70                 int idx=-1;//index of the first event to be displayed
  71                 for(int i=0; i<events.length; ++i)
  72                         if(idx==-1 && events[i].dtend>new Date().getTime()) idx=i;
  73                 if(idx==-1) idx=0;
  74
  75                 setListAdapter(new EventAdapter());
  76                 getListView().setSelectionFromTop(idx, 0);
  77         }
  78
  79     @Override
  80     protected  void onStart() {
  81         super.onStart();
  82         displayEvents();
  83     }
  84
  85         @Override
  86         protected void onCreate(final Bundle savedInstanceState) {
  87                 super.onCreate(savedInstanceState);
  88                 displayEvents();
  89         }
  90
  91         @Override
  92         public boolean onCreateOptionsMenu(final Menu menu) {
  93                 final MenuInflater inflater = getMenuInflater();
  94                 inflater.inflate(R.menu.event_list, menu);
  95                 return true;
  96         }
  97
  98         @Override
  99         public boolean onOptionsItemSelected(final MenuItem item) {
 100                 switch (item.getItemId()) {
 101                         case R.id.add_event:
 102                                 startActivity(new Intent(this,AddEventActivity.class));
 103                                 return true;
 104                         case R.id.refresh:
 105                                 displayEvents();
 106                                 return true;
 107                         default:
 108                                 return false;
 109                 }
 110         }
 111
 112 }