Mercury-IM/app/src/main/java/org/mercury_im/messenger/ui/roster/RosterRecyclerViewAdapter.java

package org.mercury_im.messenger.ui.roster;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import org.mercury_im.messenger.R;
import org.mercury_im.messenger.persistence.room.model.RoomContactModel;

import java.util.List;

import butterknife.BindView;
import butterknife.ButterKnife;

public class RosterRecyclerViewAdapter
        extends RecyclerView.Adapter<RosterRecyclerViewAdapter.AbstractRosterItem> {

    private List<RoomContactModel> entryModelList;

    public RosterRecyclerViewAdapter(List<RoomContactModel> entryModelList) {
        this.entryModelList = entryModelList;
    }

    @NonNull
    @Override
    public AbstractRosterItem onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
//        switch (viewType) {
//            case RosterItemViewHolder.TYPE:
                return new RosterItemViewHolder(LayoutInflater.from(parent.getContext())
                        .inflate(R.layout.recycler_view_item_roster_entry, parent, false));
//            default:
//                return new RosterItemViewHolder(LayoutInflater.from(parent.getContext())
//                        .inflate(R.layout.recycler_view_item_roster_entry, parent, false));
//        }
    }

    @Override
    public void onBindViewHolder(@NonNull AbstractRosterItem holder, int position) {
        RoomContactModel model = entryModelList.get(position);
//        switch (holder.getItemViewType()) {
//            case RosterItemViewHolder.TYPE:
                RosterItemViewHolder rosterItem = (RosterItemViewHolder) holder;
                //rosterItem.jidView.setText(model.getJid().toString());
                rosterItem.nicknameView.setText(model.getNickname());
                rosterItem.itemView.setTag(model);
//                break;
//        }
    }

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

    public void setItems(List<RoomContactModel> rosterEntryModels) {
        this.entryModelList = rosterEntryModels;
        notifyDataSetChanged();
    }

    public abstract class AbstractRosterItem extends RecyclerView.ViewHolder {

        public AbstractRosterItem(@NonNull View itemView) {
            super(itemView);
        }

        abstract void bind(RosterViewModel viewModel);
    }

    public class RosterItemViewHolder extends AbstractRosterItem {

        @BindView(R.id.roster_entry__jid)
        TextView jidView;

        @BindView(R.id.roster_entry__nickname)
        TextView nicknameView;

        public RosterItemViewHolder(View itemView) {
            super(itemView);
            ButterKnife.bind(itemView);
        }

        @Override
        void bind(RosterViewModel viewModel) {
            // viewModel.getRosterEntryList().observe();
        }
    }
}