MetroStationsActivity.java

/*******************************************************************************
 * Copyright (c) 2011 Michel DAVID mimah35-at-gmail.com
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package fr.gotorennes;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import fr.gotorennes.domain.MetroStation;
import fr.gotorennes.util.BackgroundTask;
import fr.gotorennes.view.FilterSortBar;
import fr.gotorennes.view.TitleBar;

public class MetroStationsActivity extends AbstractActivity {

	private List<MetroStation> stations = new ArrayList<MetroStation>();
	private ArrayAdapter<MetroStation> arrayAdapter;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.metrostations);
	}

	@Override
	protected String getTrackingName() {
		return "stationsMetro";
	}

	@Override
	protected void init(Intent intent) {
		
		TitleBar titleBar = (TitleBar) findViewById(TitleBar.ID);
		titleBar.setIcon(R.drawable.metro);
		titleBar.setTitle(R.string.metroStations);

		arrayAdapter = new MetroStationAdapter(this, stations);

		FilterSortBar filterSortBar = (FilterSortBar) findViewById(FilterSortBar.ID);
		filterSortBar.setArrayAdapter(arrayAdapter);

		ListView listView = (ListView) findViewById(R.id.stations);
		listView.setAdapter(arrayAdapter);
		listView.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> adapter, View view, int position, long id) {

				MetroStation station = (MetroStation) adapter.getItemAtPosition(position);

				Intent intent = new Intent(getApplicationContext(), MetroStationActivity.class);
				intent.putExtra("metroStation", station);
				intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
				startActivity(intent);
			}

		});

		populate(intent);
	}

	protected void populate(Intent intent) {

		BackgroundTask<List<MetroStation>> backgroundTask = new BackgroundTask<List<MetroStation>>() {

			@Override
			protected List<MetroStation> execute() {
				List<MetroStation> stations = goToRennes.getMetroStationService().getMetroStations();
				if (stations != null) {
					Collections.sort(stations);
				}
				return stations;
			}

			@Override
			protected void callback(List<MetroStation> result) {
				if (result != null) {
					stations.clear();
					stations.addAll(result);
					arrayAdapter.notifyDataSetChanged();
				}
			}
		};
		backgroundTask.start(this);
	}

	class MetroStationAdapter extends ArrayAdapter<MetroStation> {

		public MetroStationAdapter(Context context, List<MetroStation> stations) {
			super(context, 0, stations);
		}

		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
			View view = convertView;
			if (view == null) {
				LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
				view = vi.inflate(R.layout.metrostation_listitem, null);
			}

			MetroStation station = getItem(position);

			TextView name = (TextView) view.findViewById(R.id.name);
			name.setText(station.name);

			TextView distance = (TextView) view.findViewById(R.id.distance);
			distance.setText(getMyLocationFormattedDistance(station.latitude, station.longitude));

			return view;
		}

	}
}