Java tutorial
/** * Copyright (C) 2013 Romain Guefveneu. * * This file is part of naonedbus. * * Naonedbus 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, or * (at your option) any later version. * * Naonedbus 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 net.naonedbus.fragment.impl; import java.util.ArrayList; import java.util.List; import java.util.concurrent.atomic.AtomicBoolean; import net.naonedbus.BuildConfig; import net.naonedbus.R; import net.naonedbus.activity.impl.AddEventActivity; import net.naonedbus.activity.impl.CommentaireActivity; import net.naonedbus.activity.impl.MapActivity; import net.naonedbus.activity.impl.PlanActivity; import net.naonedbus.activity.map.overlay.TypeOverlayItem; import net.naonedbus.bean.Arret; import net.naonedbus.bean.Favori; import net.naonedbus.bean.Ligne; import net.naonedbus.bean.Sens; import net.naonedbus.bean.async.AsyncResult; import net.naonedbus.bean.horaire.EmptyHoraire; import net.naonedbus.bean.horaire.Horaire; import net.naonedbus.fragment.CustomInfiniteListFragement; import net.naonedbus.intent.ParamIntent; import net.naonedbus.manager.impl.ArretManager; import net.naonedbus.manager.impl.FavoriManager; import net.naonedbus.manager.impl.HoraireManager; import net.naonedbus.manager.impl.SensManager; import net.naonedbus.utils.FormatUtils; import net.naonedbus.widget.adapter.impl.HoraireArrayAdapter; import net.naonedbus.widget.indexer.impl.HoraireIndexer; import org.joda.time.DateMidnight; import org.joda.time.DateTime; import org.joda.time.Minutes; import android.annotation.SuppressLint; import android.annotation.TargetApi; import android.app.Activity; import android.app.DatePickerDialog; import android.content.ActivityNotFoundException; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.Build; import android.os.Bundle; import android.provider.CalendarContract; import android.provider.CalendarContract.Events; import android.util.Log; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.DatePicker; import android.widget.ListAdapter; import android.widget.Toast; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuInflater; import com.actionbarsherlock.view.MenuItem; public class HorairesFragment extends CustomInfiniteListFragement implements OnItemClickListener { private static final String LOG_TAG = "HorairesFragment"; private static final boolean DBG = BuildConfig.DEBUG; public static final String PARAM_LIGNE = "ligne"; public static final String PARAM_SENS = "sens"; public static final String PARAM_ARRET = "arret"; public static interface OnSensChangeListener { void onSensChange(Sens newSens); } private final static IntentFilter intentFilter; static { intentFilter = new IntentFilter(); intentFilter.addAction(Intent.ACTION_TIME_TICK); intentFilter.addAction(Intent.ACTION_TIMEZONE_CHANGED); intentFilter.addAction(Intent.ACTION_TIME_CHANGED); } /** * Reoit les intents de notre intentFilter */ private final BroadcastReceiver intentReceiver = new BroadcastReceiver() { @Override public void onReceive(final Context context, final Intent intent) { updateItemsTime(); } }; private final HoraireManager mHoraireManager; private final ArretManager mArretManager; private final SensManager mSensManager; private final FavoriManager mFavoriManager; private OnSensChangeListener mOnSensChangeListener; private HoraireArrayAdapter mAdapter; private final List<Horaire> mHoraires; private Ligne mLigne; private Sens mSens; private Arret mArret; private boolean mIsFirstLoad = true; private final AtomicBoolean mIsLoading = new AtomicBoolean(false); private DateMidnight mLastDayLoaded; private DateMidnight mDayToLoad; private DateTime mLastDateTimeLoaded; private final DatePickerDialog.OnDateSetListener mDateSetListener = new DatePickerDialog.OnDateSetListener() { @Override public void onDateSet(final DatePicker view, final int year, final int monthOfYear, final int dayOfMonth) { changeDate(new DateMidnight(year, monthOfYear + 1, dayOfMonth)); } }; public HorairesFragment() { super(R.layout.fragment_listview_section); mHoraireManager = HoraireManager.getInstance(); mFavoriManager = FavoriManager.getInstance(); mArretManager = ArretManager.getInstance(); mSensManager = SensManager.getInstance(); mHoraires = new ArrayList<Horaire>(); mLastDayLoaded = new DateMidnight(); mDayToLoad = new DateMidnight(); } @Override public void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); final Activity activity = getActivity(); if (activity instanceof OnSensChangeListener) { setOnChangeSensListener((OnSensChangeListener) activity); } else { throw new IllegalStateException(); } mLigne = getArguments().getParcelable(PARAM_LIGNE); mSens = getArguments().getParcelable(PARAM_SENS); mArret = getArguments().getParcelable(PARAM_ARRET); setHasOptionsMenu(true); } @Override public void onActivityCreated(final Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); mAdapter = new HoraireArrayAdapter(getActivity(), mHoraires); mAdapter.setIndexer(new HoraireIndexer()); getListView().setOnItemClickListener(this); loadContent(); } @Override public void onStart() { getActivity().registerReceiver(intentReceiver, intentFilter); super.onStart(); } @Override public void onStop() { getActivity().unregisterReceiver(intentReceiver); super.onDestroy(); } @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH) @Override public void onItemClick(final AdapterView<?> parent, final View view, final int position, final long id) { final Horaire horaire = (Horaire) getListView().getItemAtPosition(position); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { final String title = mArret.getNomArret(); final String description = FormatUtils.formatTitle( getString(R.string.dialog_title_menu_lignes, mLigne.getCode()), mArret.getNomArret(), mSens.text); final Intent calIntent = new Intent(Intent.ACTION_INSERT); calIntent.setType("vnd.android.cursor.item/event"); calIntent.putExtra(Events.TITLE, title); calIntent.putExtra(Events.DESCRIPTION, description); calIntent.putExtra(CalendarContract.EXTRA_EVENT_ALL_DAY, false); calIntent.putExtra(CalendarContract.EXTRA_EVENT_BEGIN_TIME, horaire.getHoraire().getMillis()); calIntent.putExtra(CalendarContract.EXTRA_EVENT_END_TIME, horaire.getHoraire().getMillis()); try { startActivity(calIntent); getActivity().overridePendingTransition(R.anim.slide_in_from_right, R.anim.half_fade_out); } catch (ActivityNotFoundException e) { addEventFallback(horaire); } } else { addEventFallback(horaire); } } private void addEventFallback(Horaire horaire) { final ParamIntent intent = new ParamIntent(getActivity(), AddEventActivity.class); intent.putExtra(AddEventActivity.PARAM_LIGNE, mLigne); intent.putExtra(AddEventActivity.PARAM_SENS, mSens); intent.putExtra(AddEventActivity.PARAM_ARRET, mArret); intent.putExtra(AddEventActivity.PARAM_TIMESTAMP, horaire.getHoraire().getMillis()); startActivity(intent); getActivity().overridePendingTransition(R.anim.slide_in_from_right, R.anim.half_fade_out); } @Override protected void onLoadMoreItems() { if (mLastDayLoaded != null) { loadHoraires(mLastDayLoaded.plusDays(1)); } } private void loadHoraires(final DateMidnight date) { if (mIsLoading.get() == false) { if (DBG) Log.d(LOG_TAG, "loadHoraires " + date.toString() + "\t" + mIsLoading.get()); mDayToLoad = date; refreshContent(); } } @Override public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) { inflater.inflate(R.menu.fragment_horaires, menu); final MenuItem menuFavori = menu.findItem(R.id.menu_favori); final int icon = isFavori() ? R.drawable.ic_star : R.drawable.ic_star_outline; menuFavori.setIcon(icon); super.onCreateOptionsMenu(menu, inflater); } @Override public void onPrepareOptionsMenu(final Menu menu) { final MenuItem menuFavori = menu.findItem(R.id.menu_favori); final int icon = isFavori() ? R.drawable.ic_star : R.drawable.ic_star_outline; menuFavori.setIcon(icon); super.onPrepareOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(final MenuItem item) { switch (item.getItemId()) { case R.id.menu_favori: onStarClick(); break; case R.id.menu_place: showArretPlan(); break; case R.id.menu_date: changeDate(); break; case R.id.menu_date_maintenant: changeDateToNow(); break; case R.id.menu_comment: menuComment(); break; case R.id.menu_show_plan: menuShowPlan(); break; case R.id.menu_sens: menuChangeSens(); break; default: break; } return false; } private boolean isFavori() { final Favori item = mFavoriManager.getSingle(getActivity().getContentResolver(), mArret.getId()); return (item != null); } @SuppressLint("NewApi") private void onStarClick() { if (isFavori()) { removeFromFavoris(); Toast.makeText(getActivity(), R.string.toast_favori_retire, Toast.LENGTH_SHORT).show(); } else { addToFavoris(); Toast.makeText(getActivity(), R.string.toast_favori_ajout, Toast.LENGTH_SHORT).show(); } getSherlockActivity().invalidateOptionsMenu(); } private void changeDate() { final DatePickerDialog dateDialog = new DatePickerDialog(getActivity(), mDateSetListener, mLastDayLoaded.getYear(), mLastDayLoaded.getMonthOfYear() - 1, mLastDayLoaded.getDayOfMonth()); dateDialog.show(); } private void changeDateToNow() { changeDate(new DateMidnight()); } private void addToFavoris() { mFavoriManager.addFavori(getActivity().getContentResolver(), mArret); } private void removeFromFavoris() { mFavoriManager.removeFavori(getActivity().getContentResolver(), mArret.getId()); } protected void showArretPlan() { final Intent intent = new Intent(getActivity(), MapActivity.class); intent.putExtra(MapFragment.PARAM_ITEM_ID, mArret.getIdStation()); intent.putExtra(MapFragment.PARAM_ITEM_TYPE, TypeOverlayItem.TYPE_STATION.getId()); startActivity(intent); } private void menuComment() { final Intent intent = new Intent(getActivity(), CommentaireActivity.class); intent.putExtra(CommentaireActivity.PARAM_LIGNE, mLigne); intent.putExtra(CommentaireActivity.PARAM_SENS, mSens); intent.putExtra(CommentaireActivity.PARAM_ARRET, mArret); startActivity(intent); } private void menuShowPlan() { final Intent intent = new Intent(getActivity(), PlanActivity.class); intent.putExtra(PlanActivity.PARAM_CODE_LIGNE, mLigne.getCode()); startActivity(intent); } @SuppressLint("NewApi") private void menuChangeSens() { Sens autreSens = null; // Inverser le sens final List<Sens> sens = mSensManager.getAll(getActivity().getContentResolver(), mLigne.getCode()); for (final Sens sensItem : sens) { if (sensItem._id != mSens._id) { autreSens = sensItem; break; } } if (autreSens != null) { // Chercher l'arrt dans le nouveau sens final Arret arret = mArretManager.getSingle(getActivity().getContentResolver(), mLigne.getCode(), autreSens.code, mArret.getNormalizedNom()); if (arret != null) { mSens = autreSens; mArret = arret; mAdapter.clear(); mAdapter.notifyDataSetChanged(); changeDateToNow(); if (mOnSensChangeListener != null) { mOnSensChangeListener.onSensChange(mSens); } getSherlockActivity().invalidateOptionsMenu(); return; } } Toast.makeText(getActivity(), getString(R.string.toast_autre_sens), Toast.LENGTH_SHORT).show(); } /** * Clear data and reload with a new date * * @param date */ public void changeDate(final DateMidnight date) { mAdapter.clear(); mIsFirstLoad = true; mLastDateTimeLoaded = null; setListAdapter(null); loadHoraires(date); } @Override protected AsyncResult<ListAdapter> loadContent(final Context context, final Bundle bundle) { mIsLoading.set(true); final AsyncResult<ListAdapter> result = new AsyncResult<ListAdapter>(); if (DBG) Log.d(LOG_TAG, "\tloadContent " + mDayToLoad.toString()); try { final List<Horaire> data = mHoraireManager.getSchedules(context.getContentResolver(), mArret, mDayToLoad, mLastDateTimeLoaded); if (data.size() == 0) { // Si le prcdent chargement dj charger la totalit du jour // actuel (ligne de nuit par exemple) ne pas rafficher le jour. if (((mLastDayLoaded == null || mLastDateTimeLoaded == null) || !mLastDayLoaded.equals(mLastDateTimeLoaded.toDateMidnight()))) { mHoraires.add(new EmptyHoraire(R.string.msg_nothing_horaires, mLastDayLoaded)); } } else { mHoraires.addAll(data); final Horaire lastHoraire = mHoraires.get(mHoraires.size() - 1); mLastDateTimeLoaded = lastHoraire.getHoraire(); } mLastDayLoaded = new DateMidnight(mDayToLoad); result.setResult(mAdapter); } catch (final Exception e) { result.setException(e); } return result; } @Override protected void onPostExecute() { super.onPostExecute(); mAdapter.notifyDataSetChanged(); updateItemsTime(); if (DBG) Log.d(LOG_TAG, "\tloadContent end " + mLastDayLoaded.toString()); mIsLoading.set(false); } /** * Mettre jour les informations de dlais */ private void updateItemsTime() { final Long currentTime = new DateTime().minusMinutes(5).withSecondOfMinute(0).withMillisOfSecond(0) .getMillis(); final DateTime now = new DateTime().withSecondOfMinute(0).withMillisOfSecond(0); int nextHorairePosition = -1; int delay; DateTime itemDateTime; Horaire horaire; for (int i = 0; i < mAdapter.getCount(); i++) { horaire = mAdapter.getItem(i); if (horaire instanceof EmptyHoraire) { continue; } itemDateTime = new DateTime(horaire.getHoraire()).withSecondOfMinute(0).withMillisOfSecond(0); delay = Minutes.minutesBetween(now, itemDateTime).getMinutes(); if (delay > 0 && delay < 60) { horaire.setDelai(getString(R.string.msg_depart_min, delay)); } else if (delay == 0) { horaire.setDelai(getString(R.string.msg_depart_proche)); } else { horaire.setDelai(null); } horaire.setBeforeNow(itemDateTime.isBefore(now)); // Recherche le prochain horaire if (nextHorairePosition == -1 && (horaire.getHoraire().isAfterNow() || horaire.getHoraire().isEqualNow())) { nextHorairePosition = mAdapter.getPosition(horaire); } } // Si aucun prochain horaire n'est trouv, slectionner le dernier if (nextHorairePosition == -1) { nextHorairePosition = mAdapter.getCount() - 1; } mAdapter.notifyDataSetChanged(); if (nextHorairePosition != -1 && mIsFirstLoad) { getListView().setSelection(nextHorairePosition); mIsFirstLoad = false; } } public void setOnChangeSensListener(final OnSensChangeListener l) { mOnSensChangeListener = l; } }