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package dk.thoerup.traininfo;
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import java.text.NumberFormat;
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import java.util.ArrayList;
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import java.util.List;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.app.ListActivity;
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import android.app.ProgressDialog;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.net.Uri;
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import android.os.AsyncTask;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.View;
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import android.widget.ListView;
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import android.widget.TextView;
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import dk.thoerup.traininfo.provider.DepartureProvider;
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import dk.thoerup.traininfo.provider.ProviderFactory;
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import dk.thoerup.traininfo.util.MessageBox;
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import static dk.thoerup.traininfo.R.string.*;
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public class DepartureList extends ListActivity {
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public static final int DLG_PROGRESS = 1;
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DepartureListAdapter adapter;
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DepartureProvider provider;
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List<DepartureBean> departures;
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int selectedItemId;
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//DepartureBean currentDeparture;
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ProgressDialog pgDialog;
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DepartureFetcher fetcher;
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StationBean station;
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@SuppressWarnings("unchecked")
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.departurelist);
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adapter = new DepartureListAdapter(this);
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setListAdapter(adapter);
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Intent launchedBy = getIntent();
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station = (StationBean) launchedBy.getSerializableExtra("stationbean");
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((TextView) findViewById(R.id.stationName)).setText( station.getName() );
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((TextView) findViewById(R.id.stationAddr)).setText( station.getAddress() );
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findViewById(R.id.header).setOnClickListener( mapLauncher );
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int distance = station.getDistance();
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if (distance != 0) {
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NumberFormat format = NumberFormat.getNumberInstance();
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format.setMaximumFractionDigits(1);
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format.setMinimumFractionDigits(1);
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((TextView) findViewById(R.id.stationDistance)).setText( format.format((double)distance/1000.0) + " km." );
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} else {
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((TextView) findViewById(R.id.stationDistance)).setVisibility(View.GONE);
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}
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if (station.isRegional() == false && station.isSTrain() == false) {
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getListView().setVisibility( View.GONE );
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findViewById(R.id.metroonly).setVisibility( View.VISIBLE );
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} else {
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provider = ProviderFactory.getDepartureProvider();
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if (savedInstanceState == null) {
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startDepartureFetcher();
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} else {
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departures = (List<DepartureBean>) savedInstanceState.getSerializable("departures");
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adapter.setDepartures(departures);
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selectedItemId = savedInstanceState.getInt("selectedItemId");
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}
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}
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}
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@Override
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public void onSaveInstanceState(Bundle outState)
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{
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if (pgDialog != null && pgDialog.isShowing())
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dismissDialog(DLG_PROGRESS);
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outState.putInt("selectedItemId", selectedItemId);
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outState.putSerializable("departures", (ArrayList<DepartureBean>) departures);
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}
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@Override
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protected void onListItemClick(ListView l, View v, int position, long id) {
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super.onListItemClick(l, v, position, id);
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selectedItemId = position;
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DepartureBean dep = departures.get(selectedItemId);
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Intent intent = new Intent(this, TimetableList.class);
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intent.putExtra("departure", dep);
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startActivity(intent);
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}
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@Override
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protected void onPrepareDialog(int id, Dialog dialog) {
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super.onPrepareDialog(id, dialog);
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switch (id) {
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case DLG_PROGRESS:
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pgDialog = (ProgressDialog) dialog;
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break;
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}
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}
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@Override
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protected Dialog onCreateDialog(int id) {
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switch (id) {
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case DLG_PROGRESS:
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ProgressDialog dlg = new ProgressDialog(this);
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dlg.setMessage( getString(departurelist_fetchdata) );
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dlg.setCancelable(true);
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return dlg;
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default:
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return super.onCreateDialog(id);
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}
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}
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void startDepartureFetcher() {
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showDialog(DLG_PROGRESS);
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fetcher = new DepartureFetcher();
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fetcher.execute(station.getId());
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}
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class DialogDismisser implements View.OnClickListener {
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Dialog dlg;
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public DialogDismisser(Dialog d) {
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dlg = d;
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}
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@Override
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public void onClick(View v) {
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if (dlg.isShowing())
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dlg.dismiss();
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}
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}
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View.OnClickListener mapLauncher = new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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Uri uri = Uri.parse("geo:" + station.getLatitude() + "," + station.getLongitude());
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startActivity( new Intent(Intent.ACTION_VIEW, uri));
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}
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};
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class DepartureFetcher extends AsyncTask<Integer, Void, Void> {
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boolean success;
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@Override
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protected void onPostExecute(Void result) {
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super.onPostExecute(result);
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pgDialog.dismiss();
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if (success) {
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adapter.setDepartures(departures);
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if (departures.size() == 0) {
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MessageBox.showMessage(DepartureList.this, "No departures found");
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}
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} else { // communication or parse error
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AlertDialog.Builder builder = new AlertDialog.Builder(DepartureList.this);
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builder.setMessage("Error finding departures");
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builder.setCancelable(true);
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builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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dialog.dismiss();
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startDepartureFetcher();
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}
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});
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builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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dialog.dismiss();
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}
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});
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try {
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builder.show();
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} catch (android.view.WindowManager.BadTokenException e) {
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Log.i("DepartureList", "BadTokenException"); // this can happen if the user switched away from this activity, while doInBackground was running
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}
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}
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}
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@Override
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protected Void doInBackground(Integer... params) {
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success = provider.lookupDepartures(params[0]);
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departures = provider.getDepartures(params[0]);
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return null;
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}
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}
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}
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