--- android/TrainInfo/src/dk/thoerup/traininfo/TrainInfoList.java 2009/08/08 19:02:20 237 +++ android/TrainInfo/src/dk/thoerup/traininfo/StationList.java 2010/07/11 15:15:04 983 @@ -1,56 +1,355 @@ package dk.thoerup.traininfo; +import java.util.ArrayList; +import java.util.List; + + +import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.app.ListActivity; import android.app.ProgressDialog; import android.content.DialogInterface; import android.content.Intent; +import android.content.SharedPreferences; +import android.content.SharedPreferences.Editor; +import android.location.Location; +import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.os.Message; + +import android.util.Log; +import android.view.ContextMenu; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuItem; import android.view.View; +import android.view.ContextMenu.ContextMenuInfo; +import android.view.View.OnCreateContextMenuListener; +import android.widget.AdapterView; +import android.widget.EditText; import android.widget.ListView; - -public class TrainInfoList extends ListActivity { - public static final int GOTLOCATION = 1; - public static final int GOTSTATIONLIST = 2; - public static final int NOPROVIDER = 3; - public static final int FIXTIMEOUT = 4; - public static final int LOOKUPSTATIONFAILED = 5; +import android.widget.Toast; +import dk.thoerup.traininfo.provider.ProviderFactory; +import dk.thoerup.traininfo.provider.StationProvider; +import dk.thoerup.traininfo.stationmap.GeoPair; +import dk.thoerup.traininfo.stationmap.StationMapView; +import dk.thoerup.traininfo.util.IntSet; +import dk.thoerup.traininfo.util.MessageBox; + +import static dk.thoerup.traininfo.R.string.*; + +public class StationList extends ListActivity { + public static final int GOTLOCATION = 1001; + public static final int GOTSTATIONLIST = 1002; + public static final int NOPROVIDER = 1003; + public static final int LOCATIONFIXTIMEOUT = 1004; + + public static final int OPTIONS_MAP = 2003; + public static final int OPTIONS_GPSINFO = 2004; + + public static final int DLG_PROGRESS = 3001; + public static final int DLG_STATIONNAME = 3002; + - public static final int DLG_PROGRESS = 1; + public static final int GPS_TIMEOUT_MS = 17500; //how long are we willing to wait for gps fix -in milliseconds - /** Called when the activity is first created. */ + + static enum LookupMethod { + ByLocation, + ByName, + ByList, + MethodNone + } + + + String dialogMessage = ""; ProgressDialog dialog; - StationLocator locator = null; + LocationLookup locationLookup = null; + FindStationsTask findStationsTask; + StationsFetchedHandler stationsFetched = new StationsFetchedHandler(); - boolean isRunning; + GeoPair location = new GeoPair(); + boolean isLaunchedforShortcut; + boolean isRunning = false; + List stations = new ArrayList(); + + StationProvider stationProvider = ProviderFactory.getStationProvider(); + StationListAdapter adapter = null; + + FavoritesMenu contextMenu = new FavoritesMenu(); + IntSet favorites = new IntSet(); + + WelcomeScreen.ListType listType; + SharedPreferences prefs; + + /////////////////////////////////////////////////////////////////////////////////////////// + //Activity call backs + + @SuppressWarnings("unchecked") @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); - setContentView(R.layout.main); + setContentView(R.layout.stationlist); + adapter = new StationListAdapter(this); setListAdapter(adapter); - locator = new StationLocator(this, stationsFetched); + ListView lv = getListView(); + lv.setOnCreateContextMenuListener(contextMenu); + + locationLookup = new LocationLookup(this, stationsFetched); + + + prefs = getSharedPreferences("TrainStation", 0); + String favoriteString = prefs.getString("favorites", ""); + if (! favoriteString.equals("") ) { + favorites.fromString(favoriteString); + } + + listType = (WelcomeScreen.ListType) getIntent().getSerializableExtra("type"); + setTitle(); + + isLaunchedforShortcut = getIntent().getBooleanExtra("shortcut", false); + + if (savedInstanceState == null) { + + + switch (listType) { + case ListNearest: + startLookup(); + break; + case ListSearch: + showDialog(DLG_STATIONNAME); //TODO: this.showDialogSafe(DLG_STATIONNAME); + break; + case ListFavorites: + startFavoriteLookup(); + break; + default: + // Not possible !?! + } + + } else { + stations = (ArrayList) savedInstanceState.getSerializable("stations"); + adapter.setStations(stations); + location = (GeoPair) savedInstanceState.getSerializable("location"); + } + + } + + + @Override + protected void onDestroy() { + super.onDestroy(); + + if (findStationsTask != null) { + findStationsTask.cancel(true); + } + if (locationLookup != null) { + locationLookup.stopSearch(); + } + isRunning = false; + } + + + protected void setTitle() { + String dialogTitle = getResources().getString(app_name); + switch (listType) { + case ListNearest: + dialogTitle += " - " + getString(stationlist_nearbystations); + break; + case ListSearch: + dialogTitle += " - " + getString(stationlist_search); + break; + case ListFavorites: + dialogTitle += " - " + getString(stationlist_favorites); + break; + default: + dialogTitle = "";//not possible + } + + setTitle(dialogTitle); - startLookup(); } + /* these 3 dialogs helper functions are very rude and ugly hack + * to remove these auto-reported exceptions + * - android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@436aaef8 is not valid; is your activity running? + * - java.lang.IllegalArgumentException: View not attached to window manager + */ + + /* + public void showDialogSafe(int id) { + try { + showDialog(id); + } catch (Exception e) { + Log.e("StationList", "showDialog failed", e); + } + } + + public void dismissDialogSafe(int id) { + try { + dismissDialog(id); + } catch (Exception e) { + Log.e("StationList", "dismissDialog failed", e); + } + } + public void dismissDialogSafe(Dialog dlg) { + try { + dlg.dismiss(); + } catch (Exception e) { + Log.e("StationList", "dismissDialog failed", e); + } + } + + public void builderShowSafe(AlertDialog.Builder builder) { + try { + builder.show(); + } catch (Exception e) { + Log.e("StationList", "builder.show() failed", e); + } + + }*/ + + /* EOF rude and ugly dialog hack */ + + + + @Override + public void onSaveInstanceState(Bundle outState) + { + if (dialog != null && dialog.isShowing()) + dialog.dismiss(); + outState.putSerializable("stations", (ArrayList) stations); + outState.putSerializable("location", location); + + } + + + + @Override + public boolean onCreateOptionsMenu(Menu menu) { + MenuItem item; + + item = menu.add(0, OPTIONS_MAP, 0, getString(stationlist_stationmap)); + item.setIcon(android.R.drawable.ic_menu_mapmode); + + item = menu.add(0, OPTIONS_GPSINFO, 0, getString(stationlist_gpsinfo)); + item.setIcon(android.R.drawable.ic_menu_mapmode); + + return true; + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + boolean retval = true; + + //TODO: Cleanup + switch (item.getItemId()) { + case OPTIONS_MAP: + + Intent intent = new Intent(this,StationMapView.class); + + ArrayList stationPoints = new ArrayList(); + for (StationBean st : stations ) { + stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) ); + } + + intent.putExtra("stations", stationPoints); + + startActivity(intent); + break; + case OPTIONS_GPSINFO: + Location loc = locationLookup.getLocation(); + StringBuffer message = new StringBuffer(); + message.append( getString(stationlist_locationinfo) ).append(":\n"); + if (loc != null) { + message.append( getString(stationlist_obtainedby) ).append( loc.getProvider() ).append("\n"); + message.append( getString(stationlist_accuracy) ).append( (int)loc.getAccuracy()).append("m\n"); + message.append( getString(stationlist_latitude) ).append( (float)loc.getLatitude()).append("\n"); + message.append( getString(stationlist_longitude) ).append( (float)loc.getLongitude() ).append("\n"); + } else { + message.append( getString(stationlist_nolocation) ); + } + + MessageBox.showMessage(this, message.toString(), false); + break; + default: + retval = super.onOptionsItemSelected(item); + } + + return retval; + } + + + + @Override + public boolean onContextItemSelected(MenuItem item) { + contextMenu.onContextItemSelected(item); + return true; + + + } + + public void showMessageAndClose(String message) { + AlertDialog.Builder builder = new AlertDialog.Builder(this); + builder.setMessage(message) + .setCancelable(false) + .setPositiveButton("OK", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.dismiss(); + StationList.this.finish(); + } + }) + .show(); + } + + + @Override protected Dialog onCreateDialog(int id) { switch (id) { case DLG_PROGRESS: ProgressDialog dlg = new ProgressDialog(this); - dlg.setMessage("Wait for location fix"); + dlg.setMessage( getString(stationlist_waitforlocation) ); dlg.setCancelable(false); - return dlg; + return dlg; + case DLG_STATIONNAME: + LayoutInflater factory = LayoutInflater.from(this); + final View rootView = factory.inflate(R.layout.textinput, null); + + + AlertDialog.Builder builder = new AlertDialog.Builder(this); + + builder.setTitle( getString(stationlist_stationsearch) ); + builder.setView(rootView); + builder.setCancelable(true); + builder.setPositiveButton( getString(generic_search), new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + EditText et = (EditText) rootView.findViewById(R.id.EditText); + dialog.dismiss(); + String search = et.getText().toString().trim(); + if (search.length() >= 2) { + startNameSearch(search); + } else { + showMessageAndClose( getString(stationlist_twocharmin) ); + } + } + }); + builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + dialog.dismiss(); + StationList.this.finish(); // Close this Activity + } + }); + return builder.create(); + default: return super.onCreateDialog(id); } @@ -58,96 +357,307 @@ } - - @Override protected void onPrepareDialog(int id, Dialog dialog) { super.onPrepareDialog(id, dialog); switch (id) { case DLG_PROGRESS: this.dialog = (ProgressDialog) dialog; + if (!dialogMessage.equals("")) { + this.dialog.setMessage(dialogMessage); + dialogMessage = ""; + } break; } } - - - - public void progressDialog() { - dialog = new ProgressDialog(this); - dialog.setMessage("Wait for location fix"); - dialog.setCancelable(false); - dialog.show(); + + @Override + protected void onListItemClick(ListView l, View v, int position, long id) { + super.onListItemClick(l, v, position, id); + + StationBean station = stations.get(position); + + if (isLaunchedforShortcut == true) { + Intent i = new Intent(); + i.putExtra("station", station); + setResult(Activity.RESULT_OK, i); + finish(); + } else { + Intent intent = new Intent(this, DepartureList.class); + intent.putExtra("stationbean", station); + startActivity(intent); + } } + ///////////////////////////////////////////////////////////// + // + public void startLookup() { - isRunning = true; - showDialog(DLG_PROGRESS); - //progressDialog(); + isRunning = true; + dialogMessage = getString( stationlist_waitforlocation ); + showDialog(DLG_PROGRESS);//TODO:showDialogSafe(DLG_PROGRESS); + + locationLookup.locateStations(); + stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, GPS_TIMEOUT_MS); + } + + void startNameSearch(String name) { + dialogMessage = getString( stationlist_findbyname ); + showDialog(DLG_PROGRESS);//TODO:showDialogSafe(DLG_PROGRESS); + + findStationsTask = new FindStationsTask(); + findStationsTask.searchByName(name); + findStationsTask.execute(); - locator.locateStations(); - stationsFetched.sendEmptyMessageDelayed(FIXTIMEOUT, 20000); + } + + public void startFavoriteLookup() { + + if (favorites.size() > 0) { + dialogMessage = getString( stationlist_loadfavorites ); + showDialog(DLG_PROGRESS);//TODO:showDialogSafe(DLG_PROGRESS); + + findStationsTask = new FindStationsTask(); + findStationsTask.searchByIds( favorites.toString() ); + findStationsTask.execute(); + } else { + showMessageAndClose( getString( stationlist_nofavorites ) ); + } } - Handler stationsFetched = new Handler() { + + void startLocatorTask() + { + dialogMessage = getString( stationlist_findingnearby ); + showDialog(DLG_PROGRESS);//TODO:showDialogSafe(DLG_PROGRESS); + + findStationsTask = new FindStationsTask(); + findStationsTask.searchByLocation( locationLookup.getLocation() ); + findStationsTask.execute(); + } + + + //////////////////////////////////////////////////////////////////////////// + // Inner classes + + class StationsFetchedHandler extends Handler { @Override public void handleMessage(Message msg) { - + switch (msg.what) { case GOTLOCATION: - dialog.setMessage("Finding nearby stations"); - break; - case GOTSTATIONLIST: - dialog.dismiss(); - adapter.setStations( locator.getStations() ); + dismissDialog(DLG_PROGRESS);//TODO:dismissDialogSafe(DLG_PROGRESS); + + startLocatorTask(); + location = GeoPair.fromLocation( locationLookup.getLocation() ); + break; + case NOPROVIDER: - dialog.dismiss(); - showMessageBox("No Location provider enabled. Plase enabled gps."); + dismissDialog(DLG_PROGRESS);//TODO:dismissDialogSafe(DLG_PROGRESS); + MessageBox.showMessage(StationList.this, getString(stationlist_nolocationprovider), true ); + //StationList.this.finish(); break; - case FIXTIMEOUT: - dialog.dismiss(); + case LOCATIONFIXTIMEOUT: if (isRunning) { - locator.abortLocationListener(); - showMessageBox("GPS fix timed out"); + locationLookup.stopSearch(); + if (locationLookup.hasLocation()) { + stationsFetched.sendEmptyMessage( GOTLOCATION ); + } else { + dismissDialog(DLG_PROGRESS);//TODO:dismissDialogSafe(DLG_PROGRESS); + + AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); + builder.setMessage( getString( stationlist_gpstimeout) ); + builder.setCancelable(true); + builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.dismiss(); + startLookup(); + + } + }); + builder.setNegativeButton( getString(generic_cancel), new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.dismiss(); + } + }); + builder.show();//TODO:builderShowSafe(builder); + + } } break; - case LOOKUPSTATIONFAILED: - dialog.dismiss(); - showMessageBox("Error on finding nearby stations"); - break; } - isRunning = false; } }; + - - - @Override - protected void onListItemClick(ListView l, View v, int position, long id) { - super.onListItemClick(l, v, position, id); + class FindStationsTask extends AsyncTask { - StationBean station = adapter.getStation(position); + LookupMethod method = LookupMethod.MethodNone; + boolean success; + String name; + Location loc; + String ids; + public void searchByName(String n) { + + method = LookupMethod.ByName; + name = n; + } - Intent intent = new Intent(this, DepartureList.class); - intent.putExtra("name", station.getName()); - intent.putExtra("address", station.getAddress()); - intent.putExtra("distance", station.getDistance()); - startActivity(intent); - } + public void searchByLocation(Location l) { + method = LookupMethod.ByLocation; + loc = l; + } + + public void searchByIds(String id) { + + method = LookupMethod.ByList; + ids = id; + } + + @Override + protected void onPreExecute() { - public void showMessageBox(String message) { - AlertDialog.Builder builder = new AlertDialog.Builder(this); - builder.setMessage(message) - .setCancelable(false) - .setPositiveButton("OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int id) { - dialog.dismiss(); + if (method.equals(LookupMethod.MethodNone)) + throw new RuntimeException("Method not set"); + super.onPreExecute(); + } + + @Override + protected Void doInBackground(Void... params) { + + switch (method) { + case ByLocation: + success = stationProvider.lookupStations(loc); + break; + case ByName: + success = stationProvider.lookupStationsByName(name); + break; + case ByList: + success = stationProvider.lookupStationsByIds(ids); + break; + default: + success = false; // not possible } - }) - .show(); + + + return null; + } + @Override + protected void onPostExecute(Void result) { + super.onPostExecute(result); + dialog.dismiss();//TODO:dismissDialogSafe(dialog); + + + if (success) { + if (stationProvider.getStations().size() == 0) { + showMessageAndClose(getString(stationlist_nostations)); + } + stations = stationProvider.getStations(); + + StationList.this.getListView().invalidateViews(); + adapter.setStations( stations ); + + + } else { //communication or parse errors + AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); + builder.setMessage(getString(stationlist_fetcherror)); + builder.setCancelable(true); + builder.setPositiveButton(getString(generic_retry), new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.dismiss(); + + Runnable runner = null; + switch (method) { + case ByLocation: + runner = new Runnable() { + @Override + public void run() { + startLocatorTask(); + } + }; + break; + case ByName: + runner = new Runnable() { + @Override + public void run() { + startNameSearch( FindStationsTask.this.name ); + } + }; + break; + case ByList: + runner = new Runnable() { + @Override + public void run() { + startFavoriteLookup(); + } + }; + break; + } + + stationsFetched.post( runner ); + } + }); + builder.setNegativeButton(getString(generic_cancel), new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.dismiss(); + StationList.this.finish(); + } + }); + + builder.show();//TODO:builderShowSafe(builder); + } + } + } + + + class FavoritesMenu implements OnCreateContextMenuListener { + private final static int FAVORITES_ADD = 9001; + private final static int FAVORITES_REMOVE = 9002; + + private int selectedPosition; + + + @Override + public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { + + AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; + selectedPosition = info.position; + int stationID = stations.get(selectedPosition).getId(); + + if (!favorites.contains(stationID)) { + menu.add(0, FAVORITES_ADD, 0, getString(stationlist_addfavorite) ); + } else { + menu.add(0, FAVORITES_REMOVE, 0, getString(stationlist_removefavorite) ); + } + + } + + public void onContextItemSelected(MenuItem item) { + StationBean sb = stations.get(selectedPosition); + + int stationID = sb.getId(); + if (item.getItemId() == FAVORITES_ADD) { + favorites.add(stationID); + Toast.makeText(StationList.this, getString(stationlist_stationadded), Toast.LENGTH_SHORT).show(); + } else { + + favorites.remove(stationID); + Toast.makeText(StationList.this, getString(stationlist_stationremoved), Toast.LENGTH_SHORT).show(); + + + if (listType.equals( WelcomeScreen.ListType.ListFavorites) ) { + stations.remove(selectedPosition); + adapter.notifyDataSetChanged(); + } + } + Editor ed = prefs.edit(); + ed.putString("favorites", favorites.toString()); + ed.commit(); + } } } \ No newline at end of file