package com.example.recyclerviewstest;

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import java.security.AccessController;

public class NumberAdapter extends RecyclerView.Adapter<NumberAdapter.NumberViewHolder> {
    private int numberItems;
    private static int viewHolderCount;


    public NumberAdapter(int numberOfItems){
        viewHolderCount = 0;
        numberItems = numberOfItems;
    }

    @NonNull
    @Override
    public NumberViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {

        Context context = parent.getContext();
        int layoutIdForListItem = R.layout.number_list_item;

        LayoutInflater inflate = LayoutInflater.from(context);
        View view = inflate.inflate(layoutIdForListItem,parent,false);
        NumberViewHolder viewHolder = new NumberViewHolder(view);
        viewHolder.viewHolderIndex.setText("ViewHolder index: " + viewHolderCount );
        viewHolderCount++;
        return viewHolder;
    }

    @Override
    public void onBindViewHolder(@NonNull NumberViewHolder holder, int position) {
        holder.bind(position);

    }

    @Override
    public int getItemCount() {
        return numberItems;
    }

    class NumberViewHolder  extends RecyclerView.ViewHolder{
        TextView listItemNumberView;
        TextView viewHolderIndex;
        public NumberViewHolder(@NonNull View itemView) {
            super(itemView);
            listItemNumberView = itemView.findViewById(R.id.tv_number_item);
            viewHolderIndex = itemView.findViewById(R.id.tv_number_view_holder);
        }
        void bind(int listIndex){
            listItemNumberView.setText(String.valueOf(listIndex));
        }
    }
}