src/ro/ieval/unical/EventListActivity.java

   1 package ro.ieval.unical;
   2
   3 import java.util.Arrays;
   4 import java.util.Comparator;
   5 import java.util.Date;
   6 import android.app.Activity;
   7 import android.content.Intent;
   8 import android.os.Bundle;
   9 import android.view.Menu;
  10 import android.view.MenuInflater;
  11 import android.view.MenuItem;
  12 import android.view.View;
  13 import android.widget.AdapterView;
  14 import android.widget.AdapterView.OnItemClickListener;
  15 import android.widget.ListView;
  16
  17
  18 public class EventListActivity extends Activity {
  19
  20         //Used to refresh events if the user wants to display only certain events
  21         //Sry for bad english
  22         //Muie la comisie
  23         private void displayEvents() {
  24                 final Event events[]=Event.getAllEvents(getBaseContext());
  25                 final ListView lv = (ListView) findViewById(R.id.eventlist);
  26
  27                 Arrays.sort(events,new EventComparator());
  28                 int idx=-1;//index of the first event to be displayed
  29                 for(int i=0; i<events.length; ++i)
  30                         if(idx==-1 && events[i].dtend>new Date().getTime()) idx=i;
  31                 if(idx==-1) idx=0;
  32
  33                 final EventAdapter adapter = new EventAdapter(this, events);
  34                 lv.setAdapter(adapter);
  35                 lv.setSelectionFromTop(idx, 0);
  36                 lv.setOnItemClickListener(new OnItemClickListener() {
  37
  38                         @Override
  39                         public void onItemClick(final AdapterView<?> arg0, final View arg1, final int arg2,
  40                                         final long arg3) {
  41                                 DisplayEventActivity.displayEvent(EventListActivity.this,events[arg2]);
  42                         }
  43
  44                 });
  45         }
  46
  47         private static class EventComparator implements Comparator<Event> {
  48                 @Override
  49                 public int compare(final Event lhs, final Event rhs) {
  50                         if(lhs.dtstart < rhs.dtstart)
  51                                 return -1;
  52                         if(lhs.dtstart == rhs.dtstart)
  53                                 return 0;
  54                         return 1;
  55                 }
  56
  57         }
  58
  59         @Override
  60         protected void onCreate(final Bundle savedInstanceState) {
  61                 super.onCreate(savedInstanceState);
  62                 setContentView(R.layout.event_list);
  63
  64                 displayEvents();
  65         }
  66
  67         @Override
  68         public boolean onCreateOptionsMenu(final Menu menu) {
  69                 final MenuInflater inflater = getMenuInflater();
  70                 inflater.inflate(R.menu.event_list, menu);
  71                 return true;
  72         }
  73
  74         @Override
  75         public boolean onOptionsItemSelected(final MenuItem item) {
  76                 switch (item.getItemId()) {
  77                         case R.id.add_event:
  78                                 final Intent i=new Intent(this,AddEventActivity.class);
  79                                 startActivity(i);
  80                                 return true;
  81                         case R.id.refresh:
  82                                 displayEvents();
  83                                 return true;
  84                         default:
  85                                 return false;
  86                 }
  87         }
  88
  89 }