package com.bwei.yuekao_7.ui.activity;
import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.View;
import android.widget.CheckBox;
import android.widget.TextView;
import com.bwei.yuekao_7.R;
import com.bwei.yuekao_7.data.bean.UserBean;
import com.bwei.yuekao_7.di.IContract;
import com.bwei.yuekao_7.di.presenter.PresenterImpl;
import com.bwei.yuekao_7.ui.adapter.SubAdapter;
import com.google.gson.Gson;
import java.util.ArrayList;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
//继承完以后去P层
public class ShoppingCarActivity extends AppCompatActivity implements IContract.IView, SubAdapter.OnItemCheckListener {
@BindView(R.id.cb_all)
CheckBox cbAll;
@BindView(R.id.tv_price)
TextView tvPrice;
@BindView(R.id.tv_count)
TextView tvCount;
private IContract.IPresenter presenter;
private ArrayList<UserBean.DataBean> data;
private Context context;
private RecyclerView rl_view;
private SubAdapter subAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_shopping_car);
ButterKnife.bind(this);
rl_view = findViewById(R.id.rl_view);
context = this;
//三.1:
presenter = new PresenterImpl();
//三.2:
presenter.attachView(this);
//三.5:(从P层（二点8过来）)
presenter.responseData();
}
@Override
public void ShowResponse(final String msg) {
//三.9:
Log.i("aa", msg);
runOnUiThread(new Runnable() {
@Override
public void run() {
Gson gson = new Gson();
UserBean userBean = gson.fromJson(msg, UserBean.class);
data = (ArrayList<UserBean.DataBean>) userBean.getData();
LinearLayoutManager manager = new LinearLayoutManager(context, LinearLayoutManager.VERTICAL, false);
rl_view.setLayoutManager(manager);
subAdapter = new SubAdapter(context, data);
rl_view.setAdapter(subAdapter);
//7.(从适配器8过来用于显示全选，反选，选最后一个)
//设置完以后去Adapter
subAdapter.setOnItemCheckListener(ShoppingCarActivity.this);
}
});
}
//三.3:(从二6过来)
@Override
protected void onDestroy() {
super.onDestroy();
//三.4:(创建Utils)
presenter.detachView(this);
}
@OnClick({R.id.cb_all, R.id.tv_price, R.id.tv_count})
public void onViewClicked(View view) {
switch (view.getId()) {
case R.id.cb_all:
//1.去bean添加新增字段（ private boolean isChecked;重写getter和setter方法 在list后添加）
/*
* private List<ListBean> list;
//新增字段
private boolean isChecked;
public boolean getChecked() {
return isChecked;
}
public void setChecked(boolean checked) {
isChecked = checked;
}
* */
//2.如果选中，设置子条目全部选中
if (cbAll.isChecked()){
//3.对集合中的每个条目定义为被选中
for (int i = 0; i < data.size(); i++) {
data.get(i).setChecked(true);
}
//5.刷新适配器
subAdapter.notifyDataSetChanged();
}else {
//4.如果未选中，设置子条目全部没选中
for (int i = 0; i < data.size(); i++) {
data.get(i).setChecked(false);
}
//6.刷新适配器(去适配器)
subAdapter.notifyDataSetChanged();
}
break;
case R.id.tv_price:
break;
case R.id.tv_count:
break;
}
}
@Override
public void onItemChecked(int position, boolean checked) {
//8.更新数据源
data.get(position).setChecked(checked);
boolean tag = true;
//9.遍历集合，查看是否有数据源未选中
for (UserBean.DataBean dataBean : data ){
if (dataBean.getChecked() == false){
tag = false;
}
}
cbAll.setChecked(tag);
subAdapter.notifyDataSetChanged();
}
}
//适配器
package com.bwei.yuekao_7.ui.adapter;
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.CheckBox;
import android.widget.ImageView;
import android.widget.TextView;
import com.bwei.yuekao_7.R;
import com.bwei.yuekao_7.data.bean.UserBean;
import com.squareup.picasso.Picasso;
import java.util.ArrayList;
/**
* Created by 杨柳 on 2018/8/23.
*/
public class SubAdapter extends RecyclerView.Adapter<SubAdapter.SubViewHolder>{
private Context context;
private ArrayList<UserBean.DataBean> data;
public SubAdapter(Context context, ArrayList<UserBean.DataBean> data) {
this.context = context;
this.data = data;
}
@NonNull
@Override
public SubViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View rootView = LayoutInflater.from(context).inflate(R.layout.item_layout, parent, false);
SubViewHolder subViewHolder = new SubViewHolder(rootView);
return subViewHolder;
}
@Override
public void onBindViewHolder(@NonNull SubViewHolder holder, int position) {
String images = data.get(position).getList().get(0).getImages();
if ( images != null && images.contains("|")){
String[] imgUrl = images.split("\\|");
Picasso.get().load(imgUrl[0]).into(holder.iv_showIcon);
}else {
Picasso.get().load(images).into(holder.iv_showIcon);
}
//对文字展示
holder.tv_showInfo.setText(data.get(position).getList().get(0).getTitle());
holder.tv_price.setText("单价是￥："+data.get(position).getList().get(0).getPrice());
//1.获取数据源的条目信息
holder.check.setChecked(data.get(position).getChecked());
}
@Override
public int getItemCount() {
return data.size();
}
class SubViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
private final CheckBox check;
private final ImageView iv_showIcon;
private final TextView tv_showInfo;
private final TextView tv_price;
public SubViewHolder(View itemView) {
super(itemView);
check = itemView.findViewById(R.id.cb_chose);
iv_showIcon = itemView.findViewById(R.id.iv_showIcon);
tv_showInfo = itemView.findViewById(R.id.tv_showInfo);
tv_price = itemView.findViewById(R.id.tv_price);
//2.设置监听方法（选第二个）
check.setOnClickListener(this);
}
@Override
public void onClick(View view) {
//9.把点击时的位置进行回转
int position = getLayoutPosition();
//10.
boolean checked = check.isChecked();
//8.----把9定义的position传进来
onItemCheckListener.onItemChecked(position,checked);
}
}
//3.设置接口
public interface OnItemCheckListener{
//4.用于反馈
void onItemChecked(int position, boolean checked);
}
//5
OnItemCheckListener onItemCheckListener;
//6.
public void setOnItemCheckListener(OnItemCheckListener onItemCheckListener){
//7.
this.onItemCheckListener = onItemCheckListener;
}
}