public class HRAdapter  extends RecyclerView.Adapter<HRAdapter.ViewHolder> implements ItemTouchHelperAdapter {

    private ArrayList<Candidate> items;
    public OnItemClickListener listener;


    public static class ViewHolder extends RecyclerView.ViewHolder {
        TextView candidateName;
        TextView candidateEmail;
        TextView candidateTown;
        TextView candidateDate;
        TextView candidateProgrLang;

        ViewHolder(View view) {
            super(view);
            candidateName = (TextView) view.findViewById(R.id.hr_item_candidate_name);
            candidateEmail = (TextView) view.findViewById(R.id.hr_item_email);
            candidateTown = (TextView) view.findViewById(R.id.hr_item_town);
            candidateDate = (TextView) view.findViewById(R.id.hr_item_date);
            candidateProgrLang = (TextView) view.findViewById(R.id.hr_item_progr_lang);
        }
    }

    HRAdapter(ArrayList<Candidate> itemsCandidates) {
        items = itemsCandidates;
    }


    @Override
    public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
        View view = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.fragment_hr_item, null);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(ViewHolder holder, int position) {
        if (getItemCount() != 0) {
            Candidate itemCandidate = items.get(position);
            holder.candidateName.setText(itemCandidate.getName() + " " + itemCandidate.getSurname());
            holder.candidateEmail.setText(itemCandidate.getEmail());
            holder.candidateTown.setText(itemCandidate.getTown());
            holder.candidateDate.setText(itemCandidate.getDate());
            holder.candidateProgrLang.setText(itemCandidate.getLangProgram());
            holder.itemView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    listener.onItemClick(v);
                }
            });
        }
    }
    public void setCandidates(ArrayList<Candidate> candidatesArray){
        items.clear();
        items.addAll(candidatesArray);
        notifyDataSetChanged();
    }


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

    @Override
    public void onItemDismiss(int position) {
        items.remove(position);
        notifyItemRemoved(position);
    }

    @Override
    public boolean onItemMove(int fromPosition, int toPosition) {
        Collections.swap(items, fromPosition, toPosition);
        notifyItemMoved(fromPosition, toPosition);
        return true;
    }


    public interface OnItemClickListener {
        void onItemClick(View view);
    }
}