de.grobox.liberario.FavTripsFragment.java Source code

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Here is the source code for de.grobox.liberario.FavTripsFragment.java

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/*    Liberario
 *    Copyright (C) 2013 Torsten Grote
 *
 *    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 de.grobox.liberario;

import java.util.List;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class FavTripsFragment extends ListFragment {
    private FavTripArrayAdapter adapter;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        adapter = new FavTripArrayAdapter(getActivity(), R.layout.fav_trip_list_item,
                FavFile.getFavTripList(getActivity()));
        setListAdapter(adapter);

        return super.onCreateView(inflater, container, savedInstanceState);
    }

    @Override
    public void onActivityCreated(Bundle savedState) {
        super.onActivityCreated(savedState);

        // remove trip on long click
        getListView().setOnItemLongClickListener(new OnItemLongClickListener() {
            @Override
            public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
                final FavTrip trip = (FavTrip) parent.getItemAtPosition(position);

                new AlertDialog.Builder(getActivity())
                        .setMessage(getActivity().getResources().getString(R.string.clear_fav_trips))
                        .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int id) {
                                FavFile.unfavTrip(getActivity(), trip);
                                adapter.remove(trip);
                            }
                        }).setNegativeButton(android.R.string.no, new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int id) {
                                dialog.cancel();
                            }
                        }).show();
                return true;
            }
        });
    }

    @Override
    public void onResume() {
        super.onResume();

        // reload data because it might have changed
        adapter.clear();
        adapter.addAll(FavFile.getFavTripList(getActivity()));
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        FavTrip trip = (FavTrip) l.getItemAtPosition(position);

        AsyncQueryTripsTask query_trips = new AsyncQueryTripsTask(v.getContext());
        query_trips.setFrom(trip.getFrom());
        query_trips.setTo(trip.getTo());

        // remember trip
        FavFile.useFavTrip(getActivity(), trip);

        query_trips.execute();
    }

    private class FavTripArrayAdapter extends ArrayAdapter<FavTrip> {
        public FavTripArrayAdapter(Context context, int textViewResourceId, List<FavTrip> objects) {
            super(context, textViewResourceId, objects);
        }

        @Override
        public boolean hasStableIds() {
            return true;
        }
    }

}