2019-pracownia-programowania-projekt/Lookify/app/src/main/java/com/example/lookifyv2/ProductsAdapter.java

package com.example.lookifyv2;

import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.content.Context;
import androidx.recyclerview.widget.RecyclerView;

import android.view.LayoutInflater;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.PopupMenu;
import android.widget.TextView;
import android.widget.Toast;

import com.bumptech.glide.Glide;
import com.google.common.collect.Lists;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

//Klasa napisana z pomocą tutorialu z http://androidbash.com/connecting-android-app-to-a-database-using-php-and-mysql/.
public class ProductsAdapter extends RecyclerView.Adapter<ProductsAdapter.ViewHolder>{

    private Context context;
    private List<Product> products;

    ProductsAdapter(Context context, List<Product> products) {
        this.context = context;
        this.products = products;
    }

    //Viewholder przechowuje dane viewów, by nie musieć za każdym razem ich pojedynczo wypełniać.
    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.card,parent,false);

        return new ViewHolder(itemView);
    }

    @Override
    public void onBindViewHolder(final ViewHolder holder, int position) {

        //Do załadowania obrazka używana jest zewnętrzna biblioteka Glide.
        Glide.with(context).load(products.get(position).getImageLink()).into(holder.imageView);
        
        holder.productName.setText(products.get(position).getproductName());
        holder.productPrice.setText(products.get(position).getproductPrice());
        holder.productRetailer.setText(products.get(position).getproductRetailer());
    }

    @Override
    public int getItemCount() {
        return products.size();
    }

    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener{

        ImageView imageView;
        TextView productName;
        TextView productPrice;
        TextView productRetailer;

        ViewHolder(View itemView) {
            super(itemView);
            imageView = itemView.findViewById(R.id.productimage);
            imageView.setOnClickListener(this);
            productName = itemView.findViewById(R.id.productname);
            productPrice = itemView.findViewById(R.id.productprice);
            productRetailer = itemView.findViewById(R.id.productretailer);
        }

        @Override
        public void onClick(View v) {
            int position = getAdapterPosition();
            showPopupMenu(v,position);
        }
    }

    private void showPopupMenu(View view, int position) {
        PopupMenu popup = new PopupMenu(context, view);
        MenuInflater inflater = popup.getMenuInflater();
        inflater.inflate(R.menu.menu_context, popup.getMenu());
        popup.setOnMenuItemClickListener(new MenuClickListener(position));
        popup.show();
    }

    public class MenuClickListener implements PopupMenu.OnMenuItemClickListener {
        Integer pos;
        MenuClickListener(int pos) {
            this.pos=pos;
        }

        //Zasadniczo dzieje się tutaj to samo, co w przypadku przycisków w Results.
        @Override
        public boolean onMenuItemClick(MenuItem menuItem) {
            switch (menuItem.getItemId()) {
                case R.id.action_favourite:
                    SharedPreferences pref = MyApplication.getInstance().getSharedPreferences("Favourites", 0);
                    SharedPreferences.Editor editor = pref.edit();
                    Map<String, ?> codes = pref.getAll();
                    ArrayList<String> codeslist = Lists.newArrayList(codes.keySet());
                    int checker = 0;
                    for(int i = 0; i < codeslist.size(); i++){
                        if(products.get(pos).getproductCode().equals(codeslist.get(i))){
                            checker = -1;
                            Toast.makeText(context, "Ten produkt jest już obserwowany!",
                                    Toast.LENGTH_SHORT).show();
                            break;
                        }
                    }
                    if(checker == 0){
                        editor.putBoolean(products.get(pos).getproductCode(), true);
                        editor.apply(); //commit?
                        Toast.makeText(context, "Produkt \"" + products.get(pos).getproductName() + "\" został dodany do Obserwowanych.",
                                Toast.LENGTH_SHORT).show();
                    }
                    return true;
                case R.id.action_details:
                    Intent intent_Popup = new Intent(context, Popup.class).setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

                    Bundle bundle = new Bundle();

                    bundle.putSerializable("productimage", products.get(pos).getImageLink());
                    bundle.putSerializable("productcode", products.get(pos).getproductCode());
                    bundle.putSerializable("productname", products.get(pos).getproductName());
                    bundle.putSerializable("productprice", products.get(pos).getproductPrice());
                    bundle.putSerializable("productretailer", products.get(pos).getproductRetailer());
                    bundle.putSerializable("productcolour", products.get(pos).getproductColour());
                    bundle.putSerializable("productstyle", products.get(pos).getproductStyle());
                    bundle.putSerializable("productcollection", products.get(pos).getproductCollection());

                    intent_Popup.putExtras(bundle);

                    context.startActivity(intent_Popup);
                    return true;
                default:
            }
            return false;
        }
    }
}