BusArretActivity.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.List;
import java.util.Timer;
import java.util.TimerTask;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.graphics.Bitmap;
import android.location.Location;
import android.os.AsyncTask;
import android.os.Bundle;
import android.text.Html;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import fr.gotorennes.domain.Arret;
import fr.gotorennes.domain.Circuit;
import fr.gotorennes.domain.Ligne;
import fr.gotorennes.domain.LineAlert;
import fr.gotorennes.domain.NextDeparture;
import fr.gotorennes.domain.Station;
import fr.gotorennes.remote.NextDepartureService;
import fr.gotorennes.util.BackgroundTask;
import fr.gotorennes.util.LocationUtils;

public class BusArretActivity extends AbstractActivity {

	private Station station;
	private Ligne ligne;
	private List<LineAlert> alertes;
	
	private TimerTask timerTask = null;
	private Timer timer = null;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.busarret);
	}
	
	@Override
	protected String getTrackingName() {
		return "arretBus";
	}

	@Override
	protected void init(Intent intent) {

		station = intent.getParcelableExtra("station");
		latitude = station.latitude;
		longitude = station.longitude;
		ligne = intent.getParcelableExtra("ligne");
		
		scheduleTimer();
		
		addCalendrier(intent);
		
		TextView stationName = (TextView) findViewById(R.id.stationName);
		stationName.setText(Html.fromHtml("<u>" + station.nom + "</u>"));
		stationName.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				Intent intent = new Intent(getApplicationContext(), BusStationActivity.class);
				intent.putExtra("station", station);
				startActivity(intent);
			}

		});

		CheckBox favoris = (CheckBox) findViewById(R.id.favoris);
		SharedPreferences prefs = getSharedPreferences("fr.gotorennes.Application", 0);
		favoris.setChecked(prefs.contains("arretbus-" + station.code + ";" + ligne.code));

		ImageView lineIcon = (ImageView) findViewById(R.id.icon);
		Bitmap icon = goToRennes.getBusStationService().getBitmapIcon(BusArretActivity.this, ligne.id);
		lineIcon.setImageBitmap(icon);

		TextView name = (TextView) findViewById(R.id.directionName);
		name.setVisibility(View.GONE);
		
		ListView g = (ListView) findViewById(R.id.passages);
		g.setAdapter(getStopTimeAdapter(goToRennes.getBusDao().getPassagesDuJour(station.id, ligne.id, calendrier, ligne.isLigneDeNuit(), true), true));
		g.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> adapter, View view, int position, long id) {
				
				Arret arret = (Arret) adapter.getItemAtPosition(position);
				
				Intent intent = new Intent(getApplicationContext(), BusTripActivity.class);
				intent.putExtra("ligne", ligne);
				intent.putExtra("station", station);
				intent.putExtra("arret", arret);
				startActivity(intent);
			}
		});
		
		TextView distance = (TextView) findViewById(R.id.distance);
		final Location location = LocationUtils.getLocation(this);
		if(location != null) {
			distance.setText(Html.fromHtml("<u>" + AbstractMapActivity.getFormattedDistance(location.getLatitude(), location.getLongitude(), station.latitude, station.longitude)
					+ "</u>"));
			distance.setOnClickListener(new OnClickListener() {
	
				@Override
				public void onClick(View v) {
					Intent intent = new Intent(getApplicationContext(), ItineraireMapActivity.class);
					intent.putExtra("latitude", location.getLatitude());
					intent.putExtra("longitude", location.getLongitude());
					intent.putExtra("latitudeDest", station.latitude);
					intent.putExtra("longitudeDest", station.longitude);
					intent.putExtra("iconDest", getMapIcon());
					startActivity(intent);
				}
	
			});
		}
		else {
			distance.setText("--");
			distance.setOnClickListener(null);
			distance.setClickable(false);
		}

		View alertesText = findViewById(R.id.alerte);
		alertesText.setVisibility(View.GONE);
		
		BackgroundTask<?> backgroundTask = getLineAlertBackgroundTask(ligne);
		backgroundTask.start(this);
	}
	
	@Override
	protected void onPause() {
		super.onPause();
		timer.cancel();
	}

	@Override
	protected void onResume() {
		super.onResume();
		if (station != null && ligne != null) {
			scheduleTimer();
		}
	}

	protected ListAdapter getStopTimeAdapter(List<Arret> stopTimes, final boolean showMinutes) {
		return new ArrayAdapter<Arret>(this, 0, stopTimes) {

			@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.bustrip_stop, null);
				}

				Arret arret = getItem(position);
				Circuit circuit = goToRennes.getBusDao().getCircuitByIdTrajet(arret.idTrajet);
				
				TextView name = (TextView) view.findViewById(R.id.stopname);
				name.setText(circuit.nom);
				
				TextView nextStop = (TextView) view.findViewById(R.id.stoptime);
				nextStop.setText(arret.getDepart());
				
				return view;
			}
			
		};
	}

	@Override
	protected int getMapIcon() {
		return R.drawable.bus;
	}

	protected BackgroundTask<List<LineAlert>> getLineAlertBackgroundTask(final Ligne ligne) {
		return new BackgroundTask<List<LineAlert>>(false) {

			@Override
			protected List<LineAlert> execute() {
				return goToRennes.getLineAlertService().getAlerts(ligne.longCode);
			}

			@Override
			protected void callback(List<LineAlert> result) {
				if (result != null && !result.isEmpty()) {
					
					View alertesText = findViewById(R.id.alerte);
					alertesText.setVisibility(View.VISIBLE);
					
					alertes = result;
				}
			}
		};
	}

	public void updateFavoris(View view) {
		CheckBox checkbox = (CheckBox) view;
		SharedPreferences prefs = getSharedPreferences("fr.gotorennes.Application", 0);
		Editor editor = prefs.edit();
		if (checkbox.isChecked()) {
			editor.putString("arretbus-" + station.code + ";" + ligne.code, station.nom );
			Toast.makeText(getApplicationContext(), getString(R.string.busAjoutFavoris), Toast.LENGTH_SHORT).show();
		} else {
			editor.remove("arretbus-" + station.code + ";" + ligne.code);
			Toast.makeText(getApplicationContext(), getString(R.string.busSupprimeFavoris), Toast.LENGTH_SHORT).show();
		}
		editor.commit();
	}
	
	public void showAlerte(View view) {
		StringBuffer buffer = new StringBuffer();
		for (LineAlert alert : alertes) {
			buffer.append(Html.fromHtml(alert.detail.replaceAll("\\r\\n", "<br/>")));
		}
		showError(buffer.toString());
	}

	@Override
	protected void onCalendrierChanged() {
		ListView g = (ListView) findViewById(R.id.passages);
		g.setAdapter(getStopTimeAdapter(goToRennes.getBusDao().getPassagesDuJour(station.id, ligne.id, calendrier, ligne.isLigneDeNuit(), true), true));
		
	}
	
	protected void scheduleTimer() {
		timer = new Timer();
		timerTask = new TimerTask() {
			
			@Override
			public void run() {
				AsyncTask<String, Void, NextDeparture> task = new AsyncTask<String, Void, NextDeparture>() {

					@Override
					protected NextDeparture doInBackground(String... params) {
						Circuit circuit = goToRennes.getBusDao().getCircuit(ligne, station);
						if (circuit == null) {
							Log.d("GoToRennes", "Pas de circuit pour " + ligne.id + " " + station.id);
							return null;
						}
						return NextDepartureService.getInstance(getBaseContext()).getNextDeparture(station.code, ligne.longCode, circuit.sens);
					}

					@Override
					protected void onPostExecute(NextDeparture result) {
						TextView nextDeparture = (TextView) findViewById(R.id.nextDeparture);
						if (result != null && result.departure != null) {
							int minutes = result.getMinutesBeforeDeparture();
							if (minutes == 0) {
								nextDeparture.setText("< 1 min");
							}
							else {
								nextDeparture.setText(minutes + " min");
							}
						}
						else {
							nextDeparture.setText("??? min");
						}
					}
					
				};
				task.execute();
			}
		};
		
		timer.scheduleAtFixedRate(timerTask, 0, 30000);
	}
	
	public void helpRealtime(View view) {
		Toast.makeText(this, getString(R.string.realtime), Toast.LENGTH_LONG).show();
	}
}