OrderListFragment

package com.feresr.restapp.fragments;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Typeface;
import android.os.Bundle;
import android.support.design.widget.CollapsingToolbarLayout;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.feresr.restapp.AppHelper;
import com.feresr.restapp.R;
import com.feresr.restapp.RoundedImageView;
import com.feresr.restapp.activities.IntroActivity;
import com.feresr.restapp.adapters.OrdersAdapter;
import com.feresr.restapp.events.OrderEvent;
import com.feresr.restapp.models.Order;
import com.feresr.restapp.models.Waiter;
import com.squareup.otto.Subscribe;
import com.squareup.picasso.Picasso;

import java.util.ArrayList;


/**
 * Created by feresr on 4/2/15.
 */
public class OrderListFragment extends ListFragment<Order> implements OrdersAdapter.OnOrderSelectedListener {

    private OrderInteractionListener listener;

    @Override
    protected RecyclerView.Adapter getAdapter() {
        OrdersAdapter adapter = new OrdersAdapter(items, getActivity());
        adapter.setOnItemClickListener(this);
        return adapter;
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            listener = (OrderInteractionListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.getClass().getSimpleName() + " must implement OrderInteractionListener: " + e.toString());
        }
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = super.onCreateView(inflater, container, savedInstanceState);
        getActivity().setTitle("RestApp");


        if (AppHelper.getInstance().waiter != null) {
            Waiter waiter = AppHelper.getInstance().waiter;
            String firstName = waiter.getFirstname();
            String secondName = waiter.getLastname();
            String username = waiter.getUsername();
            TextView waiterName = ((TextView) view.findViewById(R.id.waiter_name));
            Typeface font = Typeface.createFromAsset(getActivity().getAssets(),
                    "fonts/LeagueGothicRegular.otf");
            waiterName.setTypeface(font);

            waiterName.setText(firstName + " " + secondName);
            ((TextView) view.findViewById(R.id.waiter_username)).setText("#" + username);
            CollapsingToolbarLayout collapsingToolbar =
                    (CollapsingToolbarLayout) view.findViewById(R.id.collapsing_toolbar);

            collapsingToolbar.setTitle(getActivity().getString(R.string.header_orders));
            //collapsingToolbar.setExpandedTitleColor(getActivity().getResources().getColor(R.color.dark_primary));
            collapsingToolbar.setExpandedTitleTextAppearance(R.style.myorders_header);
            if (waiter.getImageurl() != null && !waiter.getImageurl().isEmpty()) {
                Picasso.with(getActivity()).load(waiter.getImageurl()).into(((RoundedImageView) view.findViewById(R.id.waiter_picture)));
            }
        }


        return view;
    }

    @Override
    public void setEmptyViewText(TextView emptyView) {
        emptyView.setText(getActivity().getString(R.string.no_orders));
    }

    @Override
    protected View setRecyclerViewView(LayoutInflater inflater, ViewGroup container) {
        return inflater.inflate(R.layout.fragment_order_list, container, false);
    }

    @Override
    protected ArrayList<Order> getItems() {
        return AppHelper.getInstance().ordersController.getItems();
    }

    @Override
    public void onOrderSelected(View v, Order order) {
        listener.onOrderSelected(order);
    }

    @Subscribe
    public void onOrderEvent(OrderEvent event) {
        Order order = event.getOrder();
        if (order == null) {
            return;
        }
        switch (event.getReason()) {
            case "added":
                if (!items.contains(order)) {
                    items.add(order);
                    mAdapter.notifyItemInserted(items.indexOf(order));
                }
                break;
            case "removed":
                if (items.contains(order)) {
                    int index = items.indexOf(order);
                    items.remove(order);
                    mAdapter.notifyItemRemoved(index);
                    listener.onOrderRemoved(order);
                }
                break;
            case "modified":
                if (items.contains(order)) {
                    mAdapter.notifyItemChanged(items.indexOf(order));
                    return;
                }
                break;
        }
        notifyItemsChanged();
    }

    public interface OrderInteractionListener {
        void onOrderSelected(Order order);

        void onOrderRemoved(Order order);
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.order_list_menu, menu);
        super.onCreateOptionsMenu(menu, inflater);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.select_waiter_menu:
                new ConfirmationDialogFragment().show(getFragmentManager(), "SUP");
                break;
        }
        return super.onOptionsItemSelected(item);
    }
}