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package dk.thoerup.traininfo; |
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import static dk.thoerup.traininfo.R.string.app_name; |
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import static dk.thoerup.traininfo.R.string.generic_cancel; |
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import static dk.thoerup.traininfo.R.string.generic_retry; |
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import static dk.thoerup.traininfo.R.string.stationlist_accuracy; |
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import static dk.thoerup.traininfo.R.string.stationlist_addfavorite; |
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import static dk.thoerup.traininfo.R.string.stationlist_favorites; |
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import static dk.thoerup.traininfo.R.string.stationlist_gpsinfo; |
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import static dk.thoerup.traininfo.R.string.stationlist_gpstimeout; |
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import static dk.thoerup.traininfo.R.string.stationlist_latitude; |
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import static dk.thoerup.traininfo.R.string.stationlist_locationinfo; |
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import static dk.thoerup.traininfo.R.string.stationlist_longitude; |
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import static dk.thoerup.traininfo.R.string.stationlist_nearbystations; |
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import static dk.thoerup.traininfo.R.string.stationlist_nofavorites; |
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import static dk.thoerup.traininfo.R.string.stationlist_nolocationprovider; |
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import static dk.thoerup.traininfo.R.string.stationlist_obtainedby; |
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import static dk.thoerup.traininfo.R.string.stationlist_removefavorite; |
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import static dk.thoerup.traininfo.R.string.stationlist_satellitecount; |
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import static dk.thoerup.traininfo.R.string.stationlist_search; |
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import static dk.thoerup.traininfo.R.string.stationlist_stationadded; |
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import static dk.thoerup.traininfo.R.string.stationlist_stationmap; |
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import static dk.thoerup.traininfo.R.string.stationlist_stationremoved; |
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import static dk.thoerup.traininfo.R.string.stationlist_waitforlocation; |
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|
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import java.util.ArrayList; |
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|
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import android.app.Activity; |
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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.content.SharedPreferences; |
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import android.content.SharedPreferences.Editor; |
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import android.location.Location; |
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import android.os.Bundle; |
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import android.os.Handler; |
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import android.os.Message; |
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import android.text.Editable; |
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import android.text.TextWatcher; |
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import android.util.Log; |
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import android.view.ContextMenu; |
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import android.view.ContextMenu.ContextMenuInfo; |
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import android.view.Menu; |
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import android.view.MenuItem; |
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import android.view.View; |
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import android.view.View.OnCreateContextMenuListener; |
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import android.widget.AdapterView; |
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import android.widget.ListView; |
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import android.widget.TextView; |
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import android.widget.Toast; |
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import dk.thoerup.android.traininfo.common.StationBean; |
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import dk.thoerup.android.traininfo.common.StationEntry; |
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import dk.thoerup.traininfo.WelcomeScreen.ListType; |
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import dk.thoerup.traininfo.provider.ProviderFactory; |
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import dk.thoerup.traininfo.provider.StationProvider; |
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import dk.thoerup.traininfo.stationmap.GeoPair; |
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import dk.thoerup.traininfo.stationmap.StationMapView; |
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import dk.thoerup.traininfo.util.IntSet; |
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import dk.thoerup.traininfo.util.MessageBox; |
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|
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public class StationList extends ListActivity { |
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|
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public static final int OPTIONS_MAP = 103; |
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public static final int OPTIONS_GPSINFO = 104; |
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|
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public static final int DLG_PROGRESS = 3001; |
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|
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|
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public static final int GPS_TIMEOUT_MS = 15000; //how long are we willing to wait for gps fix -in milliseconds |
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|
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|
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static enum LookupMethod { |
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ByLocation, |
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ByName, |
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ByList, |
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MethodNone |
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} |
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|
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|
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String dialogMessage = ""; |
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ProgressDialog dialog; |
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LocationLookup locationLookup = null; |
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StationsFetchedHandler stationsFetched = new StationsFetchedHandler(); |
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|
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//GeoPair location = new GeoPair(); |
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|
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boolean isLaunchedforShortcut; |
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|
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StationBean stations = new StationBean(); |
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|
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StationProvider stationProvider = ProviderFactory.getStationProvider(); |
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|
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StationListAdapter adapter = null; |
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|
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FavoritesMenu contextMenu = new FavoritesMenu(); |
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IntSet favorites = new IntSet(); |
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|
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WelcomeScreen.ListType listType; |
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SharedPreferences prefs; |
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|
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/////////////////////////////////////////////////////////////////////////////////////////// |
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//Activity call backs |
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|
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|
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@Override |
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public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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setContentView(R.layout.stationlist); |
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|
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listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type"); |
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|
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adapter = new StationListAdapter(this, (listType == ListType.ListNearest) ); |
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setListAdapter(adapter); |
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|
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ListView lv = getListView(); |
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lv.setOnCreateContextMenuListener(contextMenu); |
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|
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locationLookup = new LocationLookup(this); |
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|
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|
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prefs = getSharedPreferences("TrainStation", 0); |
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String favoriteString = prefs.getString("favorites", ""); |
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if (! favoriteString.equals("") ) { |
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favorites.fromString(favoriteString); |
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} |
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|
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setTitle(); |
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|
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isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false); |
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|
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ProviderFactory.purgeOldEntries(); //cleanup before fetching more data |
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|
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if (savedInstanceState == null) { |
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|
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|
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switch (listType) { |
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case ListNearest: |
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startNearestLookup(); |
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break; |
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case ListSearch: |
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enableNamesearchField(); |
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break; |
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case ListFavorites: |
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startFavoriteLookup(); |
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break; |
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default: |
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// Not possible !?! |
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} |
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|
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} else { |
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stations = (StationBean) savedInstanceState.getSerializable("stations"); |
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adapter.setStations(stations); |
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} |
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|
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} |
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|
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@Override |
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protected void onDestroy() { |
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super.onDestroy(); |
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|
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stationsFetched.removeMessages(0); |
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|
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|
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if (locationLookup != null) { |
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locationLookup.stopSearch(); |
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} |
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|
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} |
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|
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|
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protected void setTitle() { |
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String dialogTitle = getResources().getString(app_name); |
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switch (listType) { |
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case ListNearest: |
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dialogTitle += " - " + getString(stationlist_nearbystations); |
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break; |
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case ListSearch: |
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dialogTitle += " - " + getString(stationlist_search); |
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break; |
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case ListFavorites: |
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dialogTitle += " - " + getString(stationlist_favorites); |
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break; |
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default: |
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dialogTitle = "";//not possible |
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} |
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|
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setTitle(dialogTitle); |
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|
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} |
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|
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|
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public void enableNamesearchField() { |
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final TextView stationSearch = (TextView) findViewById(R.id.stationsearch); |
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stationSearch.setVisibility( View.VISIBLE ); |
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stationSearch.addTextChangedListener( new TextWatcher() { |
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|
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@Override |
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public void afterTextChanged(Editable s) { |
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if (s.length() > 0) { |
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startNameLookup( s.toString() ); |
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} else { |
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stations = new StationBean(); |
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getListView().invalidateViews(); |
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adapter.setStations( stations ); |
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} |
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} |
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|
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@Override |
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public void beforeTextChanged(CharSequence s, int start, int count, int after) { |
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} |
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|
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@Override |
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public void onTextChanged(CharSequence s, int start, int before, int count) { |
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} |
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|
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}); |
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|
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|
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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 (dialog != null && dialog.isShowing()) |
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dialog.dismiss(); |
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outState.putSerializable("stations", (StationBean) stations); |
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|
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} |
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|
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|
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|
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@Override |
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public boolean onCreateOptionsMenu(Menu menu) { |
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MenuItem item; |
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|
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item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap)); |
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item.setIcon(android.R.drawable.ic_menu_mapmode); |
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|
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item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo)); |
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item.setIcon(android.R.drawable.ic_menu_info_details); |
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boolean hasLoc = (locationLookup.getLocation() != null); |
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item.setEnabled(hasLoc); |
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|
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return true; |
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} |
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|
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|
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|
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|
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@Override |
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public boolean onOptionsItemSelected(MenuItem item) { |
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boolean retval = true; |
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|
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|
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switch (item.getItemId()) { |
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case OPTIONS_MAP: |
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|
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if ( stations == null || stations.entries == null || stations.entries.size() == 0 ) { |
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Toast.makeText(this, "No stations to show on map", Toast.LENGTH_SHORT).show(); //TODO: Translate |
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return true; |
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} |
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|
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Intent intent = new Intent(this,StationMapView.class); |
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|
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ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>(); |
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for (StationEntry st : stations.entries ) { |
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stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) ); |
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} |
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|
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intent.putExtra("stations", stationPoints); |
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|
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startActivity(intent); |
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break; |
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case OPTIONS_GPSINFO: |
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Location loc = locationLookup.getLocation(); |
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StringBuffer message = new StringBuffer(); |
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message.append( getString(stationlist_locationinfo) ).append(":\n"); |
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|
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message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n"); |
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message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n"); |
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message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n"); |
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message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n"); |
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|
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|
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MessageBox.showMessage(this, message.toString(), false); |
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break; |
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default: |
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retval = super.onOptionsItemSelected(item); |
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} |
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|
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return retval; |
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} |
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|
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|
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|
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@Override |
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public boolean onContextItemSelected(MenuItem item) { |
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contextMenu.onContextItemSelected(item); |
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return true; |
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|
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|
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} |
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|
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public void showMessageAndClose(String message) { |
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AlertDialog.Builder builder = new AlertDialog.Builder(this); |
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builder.setMessage(message) |
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.setCancelable(false) |
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.setPositiveButton("OK", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int id) { |
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dialog.dismiss(); |
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StationList.this.finish(); |
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} |
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}) |
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.show(); |
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} |
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|
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|
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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(stationlist_waitforlocation) ); |
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dlg.setCancelable(false); |
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return dlg; |
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|
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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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} |
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|
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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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this.dialog = (ProgressDialog) dialog; |
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if (!dialogMessage.equals("")) { |
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this.dialog.setMessage(dialogMessage); |
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dialogMessage = ""; |
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} |
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break; |
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} |
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} |
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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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|
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StationEntry station = stations.entries.get(position); |
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|
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if (isLaunchedforShortcut == true) { |
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Intent i = new Intent(); |
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i.putExtra("station", station); |
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setResult(Activity.RESULT_OK, i); |
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finish(); |
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} else { |
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Intent intent = new Intent(this, DepartureList.class); |
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intent.putExtra("stationbean", station); |
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startActivity(intent); |
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} |
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} |
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|
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///////////////////////////////////////////////////////////// |
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// |
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|
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public void startNearestLookup() { |
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dialogMessage = getString( stationlist_waitforlocation ); |
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showDialog(DLG_PROGRESS); |
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|
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locationLookup.locateStations(); |
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stationsFetched.sendEmptyMessageDelayed(0, 500); |
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} |
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|
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void startNameLookup(String name) { |
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|
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stations = stationProvider.lookupStationsByName(name); |
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getListView().invalidateViews(); |
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adapter.setStations( stations ); |
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} |
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|
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public void startFavoriteLookup() { |
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|
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if (favorites.size() > 0) { |
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|
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stations = stationProvider.lookupStationsByIds( favorites.toString() ); |
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getListView().invalidateViews(); |
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adapter.setStations( stations ); |
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|
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|
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} else { |
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showMessageAndClose( getString( stationlist_nofavorites ) ); |
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} |
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} |
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|
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|
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|
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void startNearestLookupPhase2() |
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{ |
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stations = stationProvider.lookupStationsByLocation( locationLookup.getLocation() ); |
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getListView().invalidateViews(); |
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adapter.setStations( stations ); |
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} |
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|
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|
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//////////////////////////////////////////////////////////////////////////// |
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// Inner classes |
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|
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class StationsFetchedHandler extends Handler { |
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@Override |
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public void handleMessage(Message msg) { |
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|
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LocationLookup.LookupStates state = locationLookup.getState(); |
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|
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|
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switch (state) { |
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case GOTLOCATION: |
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dismissDialog(DLG_PROGRESS); |
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|
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startNearestLookupPhase2(); |
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|
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return; |
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|
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case NOPROVIDER: |
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dismissDialog(DLG_PROGRESS); |
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MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider), true ); |
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//StationList.this.finish(); |
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return; |
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case IDLE: |
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Log.e("TrainInfo", "How did this happen ???"); |
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dismissDialog(DLG_PROGRESS); // how did we get here ?? |
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return; |
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|
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} |
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|
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|
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|
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if (locationLookup.elapsedTime() >= GPS_TIMEOUT_MS) { |
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dismissDialog(DLG_PROGRESS); |
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|
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|
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locationLookup.stopSearch(); |
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|
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if (locationLookup.hasLocation()) { |
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startNearestLookupPhase2(); |
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} else { |
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AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
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builder.setMessage( getString( stationlist_gpstimeout) ); |
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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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startNearestLookup(); |
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|
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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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StationList.this.finish(); // Close this Activity |
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} |
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}); |
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builder.show(); |
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|
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} |
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} else { |
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if (locationLookup.hasGps()) { |
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int count = locationLookup.getSatCount(); |
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String dialogMessage = getString( stationlist_waitforlocation ) + "\n" + getString( stationlist_satellitecount ) + ": " + count; |
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dialog.setMessage( dialogMessage ); |
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} |
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this.sendEmptyMessageDelayed(0, 500); |
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} |
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|
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} |
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} |
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|
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|
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|
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|
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class FavoritesMenu implements OnCreateContextMenuListener { |
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private final static int FAVORITES_ADD = 9001; |
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private final static int FAVORITES_REMOVE = 9002; |
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|
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private int selectedPosition; |
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|
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|
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@Override |
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public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { |
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|
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AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; |
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selectedPosition = info.position; |
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int stationID = stations.entries.get(selectedPosition).getId(); |
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|
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if (!favorites.contains(stationID)) { |
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menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) ); |
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} else { |
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menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) ); |
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} |
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|
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} |
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|
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public void onContextItemSelected(MenuItem item) { |
519 |
StationEntry sb = stations.entries.get(selectedPosition); |
520 |
|
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int stationID = sb.getId(); |
522 |
if (item.getItemId() == FAVORITES_ADD) { |
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favorites.add(stationID); |
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Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show(); |
525 |
} else { |
526 |
|
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favorites.remove(stationID); |
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Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show(); |
529 |
|
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|
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if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) { |
532 |
stations.entries.remove(selectedPosition); |
533 |
adapter.notifyDataSetChanged(); |
534 |
} |
535 |
} |
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Editor ed = prefs.edit(); |
537 |
ed.putString("favorites", favorites.toString()); |
538 |
ed.commit(); |
539 |
} |
540 |
} |
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} |