de.grobox.liberario.activities.PickNetworkProviderActivity.java Source code

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Here is the source code for de.grobox.liberario.activities.PickNetworkProviderActivity.java

Source

/*    Transportr
 *    Copyright (C) 2013 - 2016 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.activities;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.ActionBar;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.widget.ExpandableListView;
import android.widget.ExpandableListView.OnChildClickListener;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;

import de.grobox.liberario.Preferences;
import de.grobox.liberario.R;
import de.grobox.liberario.TransportNetwork;
import de.grobox.liberario.TransportrApplication;
import de.grobox.liberario.adapters.NetworkProviderListAdapter;

public class PickNetworkProviderActivity extends TransportrActivity {
    private NetworkProviderListAdapter listAdapter;
    private ExpandableListView expListView;
    private boolean back = true;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_pick_network_provider);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        if (toolbar != null) {
            setSupportActionBar(toolbar);
        }

        Intent intent = getIntent();
        if (intent.getBooleanExtra("FirstRun", false)) {
            // prevent going back
            back = false;
            // show first time notice
            findViewById(R.id.firstRunTextView).setVisibility(View.VISIBLE);
        } else {
            ActionBar actionBar = getSupportActionBar();
            if (actionBar != null)
                actionBar.setDisplayHomeAsUpEnabled(true);
            findViewById(R.id.firstRunTextView).setVisibility(View.GONE);
        }

        expListView = (ExpandableListView) findViewById(R.id.expandableNetworkProviderListView);

        HashMap<String, List<TransportNetwork>> listNetwork = ((TransportrApplication) getApplicationContext())
                .getTransportNetworks(this).getHashMapByRegion();
        List<String> listRegion = new ArrayList<>(listNetwork.keySet());
        Collections.sort(listRegion);

        listAdapter = new NetworkProviderListAdapter(this, listRegion, listNetwork);
        expListView.setAdapter(listAdapter);

        selectItem();

        expListView.setOnChildClickListener(new OnChildClickListener() {
            @Override
            public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition,
                    long id) {
                int index = parent.getFlatListPosition(
                        ExpandableListView.getPackedPositionForChild(groupPosition, childPosition));
                parent.setItemChecked(index, true);
                //if(parent.getCheckedItemPosition() >= 0) {
                if (index >= 0) {
                    //TransportNetwork network = ((TransportNetwork) parent.getItemAtPosition(parent.getCheckedItemPosition()));
                    TransportNetwork network = ((TransportNetwork) parent.getItemAtPosition(index));

                    Preferences.setNetworkId(v.getContext(), network.getId());

                    Intent returnIntent = new Intent();
                    setResult(RESULT_OK, returnIntent);
                    close();
                    return true;
                }
                return false;
            }
        });
    }

    @Override
    public void onBackPressed() {
        if (back) {
            Intent returnIntent = new Intent();
            setResult(RESULT_CANCELED, returnIntent);
            close();
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem menuItem) {
        if (menuItem.getItemId() == android.R.id.home) {
            onBackPressed();
        }
        return true;
    }

    private void selectItem() {
        // get current network from settings
        TransportNetwork tn = Preferences.getTransportNetwork(this);

        // return if no network is set
        if (tn == null || tn.getIdString() == null || tn.getRegion() == null) {
            Log.d(getClass().getSimpleName(), "No NetworkId in Settings.");
            return;
        }

        // we have a network, so pre-select it in the list
        int region = listAdapter.getGroupPos(tn.getRegion());
        int network = listAdapter.getChildPos(tn.getRegion(), tn.getId());
        if (network >= 0) {
            expListView.expandGroup(region);
            int index = expListView
                    .getFlatListPosition(ExpandableListView.getPackedPositionForChild(region, network));
            expListView.setItemChecked(index, true);
        }
    }

    public void close() {
        ActivityCompat.finishAfterTransition(this);
    }

}