Differential D55 Diff 187 src/it/reyboz/bustorino/fragments/FavoritesFragment.java

Changeset View

Standalone View

src/it/reyboz/bustorino/fragments/FavoritesFragment.java

This file was added.

				package it.reyboz.bustorino.fragments;

				import android.app.AlertDialog;
				import android.content.Context;
				import android.content.DialogInterface;
				import android.content.Intent;
				import android.os.Bundle;
				import android.os.Handler;
				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.ListView;
				import android.widget.TextView;
				import android.widget.Toast;

				import androidx.annotation.NonNull;
				import androidx.annotation.Nullable;
				import androidx.lifecycle.ViewModelProvider;

				import java.util.List;

				import it.reyboz.bustorino.ActivityFavorites;
				import it.reyboz.bustorino.ActivityMain;
				import it.reyboz.bustorino.ActivityMap;
				import it.reyboz.bustorino.R;
				import it.reyboz.bustorino.adapters.StopAdapter;
				import it.reyboz.bustorino.backend.Stop;
				import it.reyboz.bustorino.data.FavoritesViewModel;
				import it.reyboz.bustorino.data.UserDB;
				import it.reyboz.bustorino.middleware.AsyncStopFavoriteAction;

				public class FavoritesFragment extends BaseFragment {

				private ListView favoriteListView;
				private EditText busStopNameText;
				private TextView favoriteTipTextView;
				private ImageView angeryBusImageView;

				@Nullable
				private CommonFragmentListener mListener;




				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;
				}
				private 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);
				favoriteListView = root.findViewById(R.id.favoriteListView);
				favoriteListView.setOnItemClickListener((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);
				}

				});
				angeryBusImageView = root.findViewById(R.id.angeryBusImageView);
				favoriteTipTextView = root.findViewById(R.id.favoriteTipTextView);
				registerForContextMenu(favoriteListView);

				FavoritesViewModel model = new ViewModelProvider(this).get(FavoritesViewModel.class);
				model.getFavorites().observe(getViewLifecycleOwner(), this::showStops);
				return root;
				}
				@Override
				public void onAttach(@NonNull Context context) {
				super.onAttach(context);
				if (context instanceof CommonFragmentListener) {
				mListener = (CommonFragmentListener) context;
				} else {
				throw new RuntimeException(context.toString()
				+ " must implement CommonFragmentListener");
				}

				}

				@Override
				public void onDetach() {
				super.onDetach();
				mListener = null;
				}

				@Override
				public void onCreateContextMenu(@NonNull ContextMenu menu, @NonNull View v,
				ContextMenu.ContextMenuInfo menuInfo) {
				super.onCreateContextMenu(menu, v, menuInfo);
				if (v.getId() == R.id.favoriteListView) {
				// 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 boolean onContextItemSelected(MenuItem item) {
				AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item
				.getMenuInfo();

				Stop busStop = (Stop) favoriteListView.getItemAtPosition(info.position);

				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:
				final String theGeoUrl = busStop.getGeoURL();
				/*
				if(theGeoUrl==null){
				//doesn't have a position
				Toast.makeText(getContext(),R.string.cannot_show_on_map_no_position,Toast.LENGTH_SHORT).show();
				return true;
				}

				// start ActivityMap with these extras in intent
				Intent intent = new Intent(getContext(), ActivityMap.class);
				Bundle b = new Bundle();
				double lat, lon;
				if (busStop.getLatitude()!=null)
				lat = busStop.getLatitude();
				else lat = 200;
				if (busStop.getLongitude()!=null)
				lon = busStop.getLongitude();
				else lon = 200;
				b.putDouble("lat", lat);
				b.putDouble("lon",lon);
				b.putString("name", busStop.getStopDefaultName());
				b.putString("ID", busStop.ID);
				intent.putExtras(b);

				startActivity(intent);
				TODO: start map on button press
				*/
				return true;
				default:
				return super.onContextItemSelected(item);
				}
				}

				void showStops(List<Stop> busStops){
				// If no data is found show a friendly message

				if (busStops.size() == 0) {
				favoriteListView.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 {
				favoriteListView.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
				favoriteListView.setAdapter(new StopAdapter(getContext(), busStops));
				}

				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), new DialogInterface.OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int 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, new DialogInterface.OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int which) {
				dialog.cancel();
				}
				});
				builder.setNeutralButton(R.string.dialog_rename_bus_stop_username_reset_button, new DialogInterface.OnClickListener() {
				@Override
				public void onClick(DialogInterface dialog, int 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,
				new AsyncStopFavoriteAction.ResultListener() {
				@Override
				public void doStuffWithResult(Boolean result) {
				//Toast.makeText(getApplicationContext(), R.string.tip_add_favorite, Toast.LENGTH_SHORT).show();
				}
				}).execute(busStop);
				}
				}