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FavoritesFragment.java
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FavoritesFragment.java
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/*
BusTO - Fragments components
Copyright (C) 2021 Fabio Mazza
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, or
(at your option) any later version.
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 it.reyboz.bustorino.fragments;
import android.app.AlertDialog;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.DividerItemDecoration;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import java.util.ArrayList;
import java.util.List;
import androidx.work.WorkInfo;
import it.reyboz.bustorino.*;
import it.reyboz.bustorino.adapters.StopAdapterListener;
import it.reyboz.bustorino.adapters.StopRecyclerAdapter;
import it.reyboz.bustorino.backend.Stop;
import it.reyboz.bustorino.data.DatabaseUpdate;
import it.reyboz.bustorino.data.FavoritesViewModel;
import it.reyboz.bustorino.middleware.AsyncStopFavoriteAction;
public class FavoritesFragment extends ScreenBaseFragment {
private RecyclerView favoriteRecyclerView;
private EditText busStopNameText;
private TextView favoriteTipTextView;
private ImageView angeryBusImageView;
private boolean dbUpdateRunning = false;
private FavoritesViewModel model;
@Nullable
private CommonFragmentListener mListener;
public static final String FRAGMENT_TAG = "BusTOFavFragment";
private final static String DEBUG_TAG = FRAGMENT_TAG;
private final StopAdapterListener adapterListener = new StopAdapterListener() {
@Override
public void onTappedStop(Stop stop) {
mListener.requestArrivalsForStopID(stop.ID);
}
@Override
public boolean onLongPressOnStop(Stop stop) {
Log.d("BusTO-FavoritesFrag", "LongPressOnStop");
return true;
}
};
public static FavoritesFragment newInstance() {
FavoritesFragment fragment = new FavoritesFragment();
Bundle args = new Bundle();
//args.putString(ARG_PARAM1, param1);
//args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
public FavoritesFragment(){
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
//do nothing
}
}
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View root = inflater.inflate(R.layout.fragment_favorites, container, false);
favoriteRecyclerView = root.findViewById(R.id.favoritesRecyclerView);
//favoriteListView = root.findViewById(R.id.favoriteListView);
/*favoriteRecyclerView.setOn((parent, view, position, id) -> {
/*
* Casting because of Javamerda
* @url http://stackoverflow.com/questions/30549485/androids-list-view-parameterized-type-in-adapterview-onitemclicklistener
*/
/*
Stop busStop = (Stop) parent.getItemAtPosition(position);
if(mListener!=null){
mListener.requestArrivalsForStopID(busStop.ID);
}
});
*/
LinearLayoutManager llManager = new LinearLayoutManager(getContext());
llManager.setOrientation(LinearLayoutManager.VERTICAL);
favoriteRecyclerView.setLayoutManager(llManager);
DividerItemDecoration dividerItemDecoration = new DividerItemDecoration(favoriteRecyclerView.getContext(),
llManager.getOrientation());
favoriteRecyclerView.addItemDecoration(dividerItemDecoration);
angeryBusImageView = root.findViewById(R.id.angeryBusImageView);
favoriteTipTextView = root.findViewById(R.id.favoriteTipTextView);
//register for the context menu
registerForContextMenu(favoriteRecyclerView);
model.getFavorites().observe(getViewLifecycleOwner(), this::showStops);
// watch the DB update
DatabaseUpdate.watchUpdateWorkStatus(getContext(), this, workInfos -> {
if(workInfos.isEmpty()) return;
WorkInfo wi = workInfos.get(0);
if(wi.getState() == WorkInfo.State.RUNNING){
dbUpdateRunning = true;
} else {
//force reload if it was previously running
if(model!=null && dbUpdateRunning) {
Log.d(DEBUG_TAG,"DB Finished updating, reload favorites");
model.getFavorites().forceReload();
}
dbUpdateRunning = false;
}
});
showStops(new ArrayList<>());
return root;
}
@Override
public void onAttach(@NonNull Context context) {
super.onAttach(context);
if (context instanceof CommonFragmentListener) {
mListener = (CommonFragmentListener) context;
} else {
throw new RuntimeException(context
+ " must implement CommonFragmentListener");
}
model = new ViewModelProvider(this).get(FavoritesViewModel.class);
}
@Override
public void onDetach() {
super.onDetach();
mListener = null;
}
/*
This method is apparently NOT CALLED ANYMORE
Called on Android 6
*/
@Override
public void onCreateContextMenu(@NonNull ContextMenu menu, @NonNull View v,
ContextMenu.ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
Log.d("Favorites Fragment", "Creating context menu ");
if (v.getId() == R.id.favoritesRecyclerView) {
// if we aren't attached to activity, return null
if (getActivity()==null) return;
MenuInflater inflater = getActivity().getMenuInflater();
inflater.inflate(R.menu.menu_favourites_entry, menu);
}
}
@Override
public void onResume() {
super.onResume();
if (mListener!=null) mListener.readyGUIfor(FragmentKind.FAVORITES);
}
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item
.getMenuInfo();
if(!(favoriteRecyclerView.getAdapter() instanceof StopRecyclerAdapter))
return false;
StopRecyclerAdapter adapter = (StopRecyclerAdapter) favoriteRecyclerView.getAdapter();
Stop busStop = adapter.getStops().get(adapter.getPosition());
switch (item.getItemId()) {
case R.id.action_favourite_entry_delete:
if (getContext()!=null)
new AsyncStopFavoriteAction(getContext().getApplicationContext(), AsyncStopFavoriteAction.Action.REMOVE,
result -> {
}).execute(busStop);
return true;
case R.id.action_rename_bus_stop_username:
showBusStopUsernameInputDialog(busStop);
return true;
case R.id.action_view_on_map:
if (busStop.getLatitude() == null | busStop.getLongitude() == null |
mListener==null
) {
Toast.makeText(getContext(), R.string.cannot_show_on_map_no_position, Toast.LENGTH_SHORT).show();
return true;
}
//GeoPoint point = new GeoPoint(busStop.getLatitude(), busStop.getLongitude());
mListener.showMapCenteredOnStop(busStop);
return true;
default:
return super.onContextItemSelected(item);
}
}
@Nullable
@Override
public View getBaseViewForSnackBar() {
return favoriteRecyclerView;
}
void showStops(List<Stop> busStops){
// If no data is found show a friendly message
if(BuildConfig.DEBUG)
Log.d("BusTO - Favorites", "We have "+busStops.size()+" favorites in the list");
if (busStops.size() == 0) {
favoriteRecyclerView.setVisibility(View.INVISIBLE);
// TextView favoriteTipTextView = (TextView) findViewById(R.id.favoriteTipTextView);
//assert favoriteTipTextView != null;
favoriteTipTextView.setVisibility(View.VISIBLE);
//ImageView angeryBusImageView = (ImageView) findViewById(R.id.angeryBusImageView);
angeryBusImageView.setVisibility(View.VISIBLE);
} else {
favoriteRecyclerView.setVisibility(View.VISIBLE);
favoriteTipTextView.setVisibility(View.INVISIBLE);
angeryBusImageView.setVisibility(View.INVISIBLE);
}
/* There's a nice method called notifyDataSetChanged() to avoid building the ListView
* all over again. This method exists in a billion answers on Stack Overflow, but
* it's nowhere to be seen around here, Android Studio can't find it no matter what.
* Anyway, it only works from Android 2.3 onward (which is why it refuses to appear, I
* guess) and requires to modify the list with .add() and .clear() and some other
* methods, so to update a single stop we need to completely rebuild the list for no
* reason. It would probably end up as "slow" as throwing away the old ListView and
* redrwaing everything.
*/
// Show results
favoriteRecyclerView.setAdapter(new StopRecyclerAdapter(busStops,adapterListener, StopRecyclerAdapter.Use.FAVORITES));
}
public void showBusStopUsernameInputDialog(final Stop busStop) {
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
LayoutInflater inflater = this.getLayoutInflater();
View renameDialogLayout = inflater.inflate(R.layout.rename_dialog, null);
busStopNameText = (EditText) renameDialogLayout.findViewById(R.id.rename_dialog_bus_stop_name);
busStopNameText.setText(busStop.getStopDisplayName());
busStopNameText.setHint(busStop.getStopDefaultName());
builder.setTitle(getString(R.string.dialog_rename_bus_stop_username_title));
builder.setView(renameDialogLayout);
builder.setPositiveButton(getString(android.R.string.ok), (dialog, which) -> {
String busStopUsername = busStopNameText.getText().toString();
String oldUserName = busStop.getStopUserName();
// changed to none
if(busStopUsername.length() == 0) {
// unless it was already empty, set new
if(oldUserName != null) {
busStop.setStopUserName(null);
}
} else { // changed to something
// something different?
if(!busStopUsername.equals(oldUserName)) {
busStop.setStopUserName(busStopUsername);
}
}
launchUpdate(busStop);
});
builder.setNegativeButton(android.R.string.cancel, (dialog, which) -> dialog.cancel());
builder.setNeutralButton(R.string.dialog_rename_bus_stop_username_reset_button, (dialog, which) -> {
// delete user name from database
busStop.setStopUserName(null);
launchUpdate(busStop);
});
builder.show();
}
private void launchUpdate(Stop busStop){
if (getContext()!=null)
new AsyncStopFavoriteAction(getContext().getApplicationContext(), AsyncStopFavoriteAction.Action.UPDATE,
result -> {
//Toast.makeText(getApplicationContext(), R.string.tip_add_favorite, Toast.LENGTH_SHORT).show();
}).execute(busStop);
}
}

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