public class Bivio extends AppCompatActivity
        implements NavigationView.OnNavigationItemSelectedListener, AbsListView.OnScrollListener {


    private boolean viewIsAtHome;
    ExpandableListAdapter listAdapter;
    ExpandableListView expListView;
    List<String> listDataHeader;
    HashMap<String, List<String>> listDataChild;
    private int lastTopValue = 0;

    RelativeLayout layout, layout2;

    ListView listview;

    private ImageView backgroundImage2;
    private ImageView backgroundImage;

    final ArrayList<String> finalbuilder = new ArrayList<String>();


    String[] Supermarkets = {"a", "b", "c", "d", "e"};


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_bivio);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        layout = (RelativeLayout) findViewById(R.id.secondlayout);
        layout2 = (RelativeLayout) findViewById(R.id.thirdlayout);

        expListView = (ExpandableListView) findViewById(R.id.lvExp);
        listAdapter = new ExpandableListAdapter(this, listDataHeader, listDataChild);












        Calendar c = Calendar.getInstance();
        int dayOfWeek = c.get(Calendar.DAY_OF_WEEK);

        if (Calendar.MONDAY == dayOfWeek) {
            layout.setBackgroundResource(R.drawable.monday);
            layout2.setBackgroundResource(R.drawable.monday);
        } else if (Calendar.TUESDAY == dayOfWeek) {
            layout.setBackgroundResource(R.drawable.tuesday);
            layout2.setBackgroundResource(R.drawable.tuesday);
        } else if (Calendar.WEDNESDAY == dayOfWeek) {
            layout.setBackgroundResource(R.drawable.wednesday);
            layout2.setBackgroundResource(R.drawable.wednesday);
        } else if (Calendar.THURSDAY == dayOfWeek) {
            layout.setBackgroundResource(R.drawable.thursday);
            layout2.setBackgroundResource(R.drawable.thursday);
        } else if (Calendar.FRIDAY == dayOfWeek) {
            layout.setBackgroundResource(R.drawable.friday);
            layout2.setBackgroundResource(R.drawable.friday);
        } else if (Calendar.SATURDAY == dayOfWeek) {
            layout.setBackgroundResource(R.drawable.saturday);
            layout2.setBackgroundResource(R.drawable.saturday);
        } else if (Calendar.SUNDAY == dayOfWeek) {
            layout.setBackgroundResource(R.drawable.sunday);
            layout2.setBackgroundResource(R.drawable.sunday);
        }







        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
                this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
        drawer.setDrawerListener(toggle);
        toggle.syncState();

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        navigationView.setNavigationItemSelectedListener(this);

        displayView(R.id.ItemsList);




        // preparing list data
        prepareListData();


        // setting list adapter
        expListView.setAdapter(listAdapter);

        // Listview Group click listener
        expListView.setOnGroupClickListener(new ExpandableListView.OnGroupClickListener() {

            @Override
            public boolean onGroupClick(ExpandableListView parent, View v,
                                        int groupPosition, long id) {
                // Toast.makeText(getApplicationContext(),
                // "Group Clicked " + listDataHeader.get(groupPosition),
                // Toast.LENGTH_SHORT).show();
                return false;
            }
        });


        LayoutInflater inflater = getLayoutInflater();
        ViewGroup header = (ViewGroup) inflater.inflate(R.layout.provaspyro, expListView, false);
        expListView.addHeaderView(header, null, false);

        backgroundImage = (ImageView) header.findViewById(R.id.spyro2);


        LayoutInflater inflater2 = getLayoutInflater();
        ViewGroup footer = (ViewGroup) inflater2.inflate(R.layout.provaspyro2, expListView, false);
        expListView.addFooterView(footer, null, false);
        backgroundImage2 = (ImageView) footer.findViewById(R.id.spyro2);


        expListView.setOnScrollListener(Bivio.this);







        // Listview Group expanded listener
        expListView.setOnGroupExpandListener(new ExpandableListView.OnGroupExpandListener() {

            @Override
            public void onGroupExpand(int groupPosition) {
                Toast.makeText(getApplicationContext(),
                        listDataHeader.get(groupPosition) + " Expanded",
                        Toast.LENGTH_SHORT).show();
            }
        });

        // Listview Group collasped listener
        expListView.setOnGroupCollapseListener(new ExpandableListView.OnGroupCollapseListener() {

            @Override
            public void onGroupCollapse(int groupPosition) {
                Toast.makeText(getApplicationContext(),
                        listDataHeader.get(groupPosition) + " Collapsed",
                        Toast.LENGTH_SHORT).show();

            }
        });

        // Listview on child click listener
        expListView.setOnChildClickListener(new ExpandableListView.OnChildClickListener() {

            @Override
            public boolean onChildClick(ExpandableListView parent, View v,
                                        int groupPosition, int childPosition, long id) {
                switch (groupPosition) {
                    case 1:
                        switch (childPosition) {
                            case 0:
                                Intent Open1 = new Intent(Bivio.this, Popup1.class);
                                startActivityForResult(Open1, 0);
                                finalbuilder.add((String.valueOf(0)));
                                finalbuilder.add("\n");
                                break;
                            case 1:
                                Intent Open2 = new Intent(Bivio.this, Popup2.class);
                                startActivityForResult(Open2, 1);
                                finalbuilder.add((String.valueOf(1)));
                                finalbuilder.add("\n");
                                break;
                        }
                    case 2:
                        switch (childPosition) {
                            case 2:
                                Intent Open3 = new Intent(Bivio.this, Popup3.class);
                                startActivityForResult(Open3, 2);
                                finalbuilder.add((String.valueOf(2)));
                                finalbuilder.add("\n");
                                break;
                        }
                }
                return false;


            }
        });

























    }

    @Override
    public void onBackPressed() {
        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START);
        }
        if (!viewIsAtHome) { //if the current view is not the News fragment
            displayView(R.id.ItemsList); //display the News fragment
        } else {
            moveTaskToBack(true);  //If view is in News fragment, exit application
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.bivio, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    @SuppressWarnings("StatementWithEmptyBody")
    @Override
    public boolean onNavigationItemSelected(MenuItem item) {
        // Handle navigation view item clicks here.
        displayView(item.getItemId());
        return true;
    }

    public void displayView(int viewId) {

        Fragment fragment = null;
        String title = getString(R.string.app_name);

        switch (viewId) {
            case R.id.ItemsList:
                fragment = new FirstFragment();
                title  = getString(R.string.itemslist);
                viewIsAtHome = true;

                break;
            case R.id.InformationonSupermarkets:
                fragment = new SecondFragment();
                title = getString(R.string.informationonsupermarkets);
                viewIsAtHome = false;
                break;

            case R.id.Legalities:
                fragment = new ThirdFragment();
                title = getString(R.string.legalities);
                viewIsAtHome = false;
                break;
            case R.id.sharelist:

                Intent shareIntent = new Intent(Intent.ACTION_SEND);

                shareIntent.setType("text/plain");

                shareIntent.putExtra(Intent.EXTRA_SUBJECT,
                        "This is your list");

                shareIntent.putExtra(Intent.EXTRA_TEXT, "add your string, Marco");

                startActivity(Intent.createChooser(shareIntent, "Choose how to share your list"));
                viewIsAtHome = false;
                break;

        }

        if (fragment != null) {
            FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
            ft.replace(R.id.content_frame, fragment);
            ft.commit();
        }

        // set the toolbar title
        if (getSupportActionBar() != null) {
            getSupportActionBar().setTitle(title);
        }

        DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
        drawer.closeDrawer(GravityCompat.START);

    }





    public void onActivityResult(int requestCode, int resultCode, Intent returnIntent) {

        if (requestCode == 0) {
            if (resultCode == RESULT_OK) {
                // Here is your final string
                String result = returnIntent.getStringExtra("result");
            }
        }
        if (requestCode == 1) {
            if (resultCode == RESULT_OK) {
                // Here is your final string
                String result = returnIntent.getStringExtra("result");
            }
        }
        if (requestCode == 2) {
            if (resultCode == RESULT_OK) {
                // Here is your final string
                String result = returnIntent.getStringExtra("result");
            }
        }
    }



    public boolean isChildSelectable(int groupPosition, int childPosition) {
        return true;
    }


    /*
     * Preparing the list data
     */
    private void prepareListData() {
        listDataHeader = new ArrayList<String>();
        listDataChild = new HashMap<String, List<String>>();

        // Adding child data
        listDataHeader.add("Bread");
        listDataHeader.add("Water");
        listDataHeader.add("Beer");
        listDataHeader.add("Vegetables");
        listDataHeader.add("Fruit");
        listDataHeader.add("Cheese");
        listDataHeader.add("Meat");
        listDataHeader.add("Shampoo");
        listDataHeader.add("Cookies");
        listDataHeader.add("Yogurt");
        listDataHeader.add("Pizzas");
        listDataHeader.add("Oil");
        listDataHeader.add("sauces");
        listDataHeader.add("spices");
        listDataHeader.add("Coffee");
        listDataHeader.add("Chips");
        listDataHeader.add("Chocolate");
        listDataHeader.add("Fruitjuices");


        // Adding child data
        List<String> Bread = new ArrayList<String>();
        Bread.add("Wholebread");
        Bread.add("White");
        Bread.add("Precooked");
        Bread.add("Pizza");

        List<String> Water = new ArrayList<String>();
        Water.add("Mineral");
        Water.add("Sparkling");
        Water.add("Flavoured");
        Water.add("Fresh");
        Water.add("Red 2");
        Water.add("The Wolverine");

        List<String> Beer = new ArrayList<String>();
        Beer.add("Blonde");
        Beer.add("Double Malt");
        Beer.add("Fresh");
        Beer.add("Lemon");
        Beer.add("0% alcohol");

        List<String> Vegetables = new ArrayList<String>();
        Beer.add("Blonde");
        Beer.add("Double Malt");
        Beer.add("Fresh");
        Beer.add("Lemon");
        Beer.add("0% alcohol");

        List<String> Fruit = new ArrayList<String>();
        Beer.add("Blonde");
        Beer.add("Double Malt");
        Beer.add("Fresh");
        Beer.add("Lemon");
        Beer.add("0% alcohol");

        List<String> Cheese = new ArrayList<String>();
        Beer.add("Blonde");
        Beer.add("Double Malt");
        Beer.add("Fresh");
        Beer.add("Lemon");
        Beer.add("0% alcohol");

        List<String> Meat = new ArrayList<String>();
        Beer.add("Blonde");
        Beer.add("Double Malt");
        Beer.add("Fresh");
        Beer.add("Lemon");
        Beer.add("0% alcohol");

        List<String> Shampoo = new ArrayList<String>();
        Beer.add("Blonde");
        Beer.add("Double Malt");
        Beer.add("Fresh");
        Beer.add("Lemon");
        Beer.add("0% alcohol");

        listDataChild.put(listDataHeader.get(0), Bread); // Header, Child data
        listDataChild.put(listDataHeader.get(1), Water);
        listDataChild.put(listDataHeader.get(2), Beer);
        listDataChild.put(listDataHeader.get(3), Vegetables);
        listDataChild.put(listDataHeader.get(4), Fruit);
        listDataChild.put(listDataHeader.get(5), Cheese);
        listDataChild.put(listDataHeader.get(6), Meat);
        listDataChild.put(listDataHeader.get(7), Shampoo);
    }


    @Override
    public void onScrollStateChanged(AbsListView view, int scrollState) {

    }

    @Override
    public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
        Rect rect = new Rect();
        backgroundImage.getLocalVisibleRect(rect);
        if (lastTopValue != rect.top) {
            lastTopValue = rect.top;
            backgroundImage.setY((float) (rect.top / 2.0));
        }

        Rect rect2 = new Rect();
        backgroundImage2.getLocalVisibleRect(rect2);
        if (lastTopValue != rect2.bottom) {
            lastTopValue = rect2.bottom;
            backgroundImage2.setY((float) (rect2.bottom / 10.0));
        }



        listview = (ListView) findViewById(R.id.listView);

        ArrayAdapter<String> adapterlistview = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, android.R.id.text1, Supermarkets);
        listview.setAdapter(adapterlistview);



        listview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view,
                                    int position, long id) {
                switch (position) {
                    case 0:

                        Uri uri = Uri.parse("https://www.google.nl/maps/search/albert+heijn/@52.3204407,4.8448788,14z/data=!3m1!4b1");
                        Intent i = new Intent(Intent.ACTION_VIEW, uri);
                        startActivity(i);
                        break;
                    case 1:
                        Uri uri2 = Uri.parse("https://www.google.nl/maps/search/dirk+van+den+broek/@52.3205498,4.7923487,12z/data=!3m1!4b1");
                        Intent i2 = new Intent(Intent.ACTION_VIEW, uri2);
                        startActivity(i2);
                        break;
                    case 3:
                        Uri uri3 = Uri.parse("https://www.google.nl/maps/search/lidl/@52.3207183,4.7923486,12z/data=!3m1!4b1");
                        Intent i3 = new Intent(Intent.ACTION_VIEW, uri3);
                        startActivity(i3);
                        break;
                    case 4:
                        Uri uri4 = Uri.parse("https://www.google.nl/maps/search/aldi/@52.3208867,4.7923485,12z/data=!3m1!4b1");
                        Intent i4 = new Intent(Intent.ACTION_VIEW, uri4);
                        startActivity(i4);
                        break;
                    case 5:
                        Uri uri5 = Uri.parse("https://www.google.nl/maps/search/jumbo/@52.3208867,4.7923485,12z");
                        Intent i5 = new Intent(Intent.ACTION_VIEW, uri5);
                        startActivity(i5);
                        break;

                }

            }
        });
    }
}