yusheng-android/MainModule/src/main/java/com/xscm/modulemain/adapter/WheatFeedingSelectAdapter.java

package com.xscm.modulemain.adapter;

import android.util.SparseBooleanArray;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import com.xscm.modulemain.R;
import com.makeramen.roundedimageview.RoundedImageView;
import com.xscm.moduleutil.bean.room.RoomApplyListBean;
import com.xscm.moduleutil.color.ThemeableDrawableUtils;
import com.xscm.moduleutil.utils.ColorManager;
import com.xscm.moduleutil.utils.ImageUtils;

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

public class WheatFeedingSelectAdapter  extends RecyclerView.Adapter<WheatFeedingSelectAdapter.ViewHolder> {

    private final List<RoomApplyListBean.Special> mData;
    private final List<Integer> mSelectedPositions = new ArrayList<>();
    private SparseBooleanArray selectedPositions = new SparseBooleanArray();
    public WheatFeedingSelectAdapter(List<RoomApplyListBean.Special> data) {
        this.mData = data;
    }

    @NonNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext())
                .inflate(R.layout.item_wheat_feeding_select, parent, false);
        return new ViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
        RoomApplyListBean.Special item = mData.get(position);
        boolean isSelected = selectedPositions.get(position, false);
        holder.nickname.setText(item.getNickname());
        holder.jin_e.setText(item.getRank_value());
        ImageUtils.loadHeadCC(item.getAvatar(), holder.userAvatar);

        ThemeableDrawableUtils.setThemeableRoundedBackground(holder.tv_bm, ColorManager.getInstance().getPrimaryColorInt(), 65);
        holder.tv_bm.setTextColor(ColorManager.getInstance().getButtonColorInt());

        holder.checkbox.setSelected(isSelected);
        holder.checkbox.setOnClickListener(v -> {
            boolean newState = !isSelected;
            selectedPositions.put(position, newState);
            holder.checkbox.setSelected(newState);
            notifyItemChanged(position); // 刷新当前项
            if (newState) {
                mSelectedPositions.add(position);
            } else {
                mSelectedPositions.remove(Integer.valueOf(position)); // 修改这里
            }
        });
        holder.tv_bm.setOnClickListener(v -> {
            if (onItemClickListener != null) {
                onItemClickListener.onTvBmClick(item,position);
            }
        });
//        holder.itemView.setOnClickListener(v -> toggleSelection(position));

    }
    public interface OnItemClickListener {
        void onTvBmClick(RoomApplyListBean.Special item,int position);
    }
    private OnItemClickListener onItemClickListener;
    public void setOnItemClickListener(OnItemClickListener listener) {
        this.onItemClickListener = listener;
    }


    public void toggleSelection(int position) {
        if (mSelectedPositions.contains(position)) {
            mSelectedPositions.remove(Integer.valueOf(position));
        } else {
            mSelectedPositions.add(position);
        }
        notifyItemChanged(position);
    }

    public List<String> getSelectedItems() {
        List<String> selected = new ArrayList<>();
        for (int pos : mSelectedPositions) {
            selected.add(mData.get(pos).getUser_id());
        }
        return selected;
    }

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

    static class ViewHolder extends RecyclerView.ViewHolder {
        RoundedImageView userAvatar;
        TextView nickname;
        TextView jin_e;
        TextView tv_bm;
        View checkbox ;

        public ViewHolder(@NonNull View itemView) {
            super(itemView);
            userAvatar = itemView.findViewById(R.id.user_avatar);
            nickname = itemView.findViewById(R.id.nick_name);
            jin_e = itemView.findViewById(R.id.jin_e);
            tv_bm = itemView.findViewById(R.id.tv_bm);
            checkbox = itemView.findViewById(R.id.v_checkbox);
        }
    }
}