public class CartAdapter extends RecyclerView.Adapter<CartAdapter.CartViewHolder> implements CartCheckListener {
private Context mContext;
private List<CartBean.DataBean> cartList;
private CartAllCheckboxListener allCheckboxListener;
public CartAdapter(Context context, List<CartBean.DataBean> list) {
mContext = context;
cartList = list;
}
public void addPageData(List<CartBean.DataBean> list){
if (cartList!=null){
cartList.addAll(list);
notifyDataSetChanged();
}
}
//暴露给购物车页面进行回调
public void setCartAllCheckboxListener(CartAllCheckboxListener cartAllCheckboxListener) {
allCheckboxListener = cartAllCheckboxListener;
}
@NonNull
@Override
public CartViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(mContext).inflate(R.layout.cart_item_layout, parent, false);
CartViewHolder viewHolder = new CartViewHolder(itemView);
return viewHolder;
}
@Override
public void onBindViewHolder(@NonNull final CartViewHolder holder, final int position) {
final CartBean.DataBean bean = cartList.get(position);
holder.nameTv.setText(bean.getSellerName());
holder.checkBox.setChecked(bean.isSelected());//根据bean对象的ischecked属性，动态设置选中状态
// System.out.println("ischecked:" + bean.isChecked());
// holder.checkBox.setChecked(bean.isChecked());
holder.productXRV.setLayoutManager(new LinearLayoutManager(mContext));
final ProductAdapter productAdapter = new ProductAdapter(mContext, bean.getList());
holder.productXRV.setAdapter(productAdapter);
productAdapter.setCheckListener(this);
for (int i = 0; i < bean.getList().size(); i++) {
if (!bean.getList().get(i).isSelected()){
holder.checkBox.setChecked(false);
break;//跳出循环
}else{
holder.checkBox.setChecked(true);
}
}
//设置商家的checkbox点击事件，逻辑：勾选则子列表全部勾选，取消则全部取消
holder.checkBox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (holder.checkBox.isChecked()){
bean.setSelected(true);
for (int i = 0; i < bean.getList().size(); i++) {
bean.getList().get(i).setSelected(true);
}
}else{
bean.setSelected(false);
for (int i = 0; i < bean.getList().size(); i++) {
bean.getList().get(i).setSelected(false);
}
}
notifyDataSetChanged();
if (allCheckboxListener!=null){
allCheckboxListener.notifyAllCheckboxStatus();
}
}
});
}
/**
* 暴露修改之后的最新的集合数据
* @return
*/
public List<CartBean.DataBean> getCartList() {
return cartList;
}
@Override
public int getItemCount() {
return cartList.size() == 0 ? 0 : cartList.size();
}
/**
* 刷新适配器的回调
*/
@Override
public void notifyParent() {
notifyDataSetChanged();
if (allCheckboxListener!=null){
allCheckboxListener.notifyAllCheckboxStatus();
}
}
// @Override
// public void notifyParent() {
// notifyDataSetChanged();
// }
public class CartViewHolder extends RecyclerView.ViewHolder {
private CheckBox checkBox;
private TextView nameTv;
private RecyclerView productXRV;
public CartViewHolder(View itemView) {
super(itemView);
checkBox = itemView.findViewById(R.id.sellerCheckbox);
nameTv = itemView.findViewById(R.id.sellerNameTv);
productXRV = itemView.findViewById(R.id.productXRV);
}
}
}