//activity
package com.example.huoxuebin1511b0407.Activity;
import android.content.Intent;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.example.huoxuebin1511b0407.Adapter.ShopAdapter;
import com.example.huoxuebin1511b0407.Bean.CountPriceBean;
import com.example.huoxuebin1511b0407.Bean.ShopBean;
import com.example.huoxuebin1511b0407.Imjiekou.Ishoppresenter;
import com.example.huoxuebin1511b0407.MyExpanableListView.MyExpanableListView;
import com.example.huoxuebin1511b0407.R;
import com.example.huoxuebin1511b0407.presenter.ShopPresenter;
import java.util.List;
public class ShopActivity extends AppCompatActivity implements Ishoppresenter,View.OnClickListener {
private ShopPresenter shopPresenter;
private int uid=71;
private MyExpanableListView expanableListView;
private LinearLayout linearLayout;
private CheckBox check_all;
private TextView text_total;
private TextView text_buy;
private RelativeLayout relative_progress;
private CountPriceBean countPriceBean;
private List<ShopBean.DataBean.ListBean> listBeans;
private Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
if (msg.what == 0) {
CountPriceBean countPriceBean = (CountPriceBean) msg.obj;
//设置价格和数量
text_total.setText("合计:¥" + countPriceBean.getPriceString());
text_buy.setText("去结算(" + countPriceBean.getCount() + ")");
}
}
};
private ShopAdapter shopAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_shop);
//获取控件
expanableListView = findViewById(R.id.expanable_list_view);
check_all =findViewById(R.id.check_all);
text_total = findViewById(R.id.text_total);
text_buy =findViewById(R.id.text_buy);
relative_progress = findViewById(R.id.relative_progress);
linearLayout =findViewById(R.id.linear_bottom);
//实例化对象
shopPresenter = new ShopPresenter(this);
shopPresenter.getshop("product/getCarts",uid);
check_all.setOnClickListener(this);
//跳转订单
text_buy.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
startActivity(new Intent(ShopActivity.this,DingDanActivity.class));
}
});
}
@Override
protected void onResume() {
//显示进度条
relative_progress.setVisibility(View.VISIBLE);
shopPresenter.getshop("product/getCarts",uid);
super.onResume();
}
//接受model层数据
@Override
public void onshop(final ShopBean shopBean) {
runOnUiThread(new Runnable() {
@Override
public void run() {
//获取数据成功...隐藏
relative_progress.setVisibility(View.GONE);
List<ShopBean.DataBean> data = shopBean.getData();
if (shopBean != null){
//cartBean再设置奢配器之前需不需要改变数据
//1.在bean类中添加商家是否选中的字段....默认值的false,初始值是根据该组下面所有孩子的状态进行改变的
for (int i = 0;i<shopBean.getData().size();i++){
//当前组中所有孩子的数据
listBeans = shopBean.getData().get(i).getList();
//设置组的初始选中状态,,,,根据所有孩子的状态
shopBean.getData().get(i).setGroup_check(isAllChildInGroupChecked(listBeans));
}
//2.根据所有商家选中的状态,改变全选的状态
check_all.setChecked(isAllGroupChecked(shopBean));
//设置适配器
// myAdapter = new MyAdapter(MainActivity.this, cartBean,handler,relative_progress,mainPresenter);
shopAdapter = new ShopAdapter(ShopActivity.this,shopBean,handler,relative_progress,shopPresenter);
expanableListView.setAdapter(shopAdapter);
//展开所有的组...expanableListView.expandGroup()
for (int i = 0;i<shopBean.getData().size();i++){
expanableListView.expandGroup(i);
}
//3.计算总价和商品的数量
shopAdapter.sendPriceAndCount();
}else {
Toast.makeText(ShopActivity.this,"购物车空,请添加购物车",Toast.LENGTH_SHORT).show();
}
}
});
}
/**
* 所有的商家是否选中
* @param cartBean
* @return
*/
private boolean isAllGroupChecked(ShopBean cartBean) {
for (int i=0;i<cartBean.getData().size();i++){
//只要有一个组未选中 返回false
if (! cartBean.getData().get(i).isGroup_check()){
return false;
}
}
return true;
}
/**
* 当前组中所有的孩子是否选中
* @param listBeans 当前组中所有的孩子的数据
* @return
*/
private boolean isAllChildInGroupChecked(List<ShopBean.DataBean.ListBean> listBeans) {
for (int i=0;i<listBeans.size();i++){
if (listBeans.get(i).getSelected() == 0){
return false;
}
}
return true;
}
@Override
public void onClick(View view) {
switch (view.getId()){
case R.id.check_all:
//根据全选的状态更新所有商品的状态...check_all.isChecked() true...1;;;;false---0
shopAdapter.setAllChildsChecked(check_all.isChecked());
break;
}
}
}
adapter适配器
package com.example.huoxuebin1511b0407.Adapter;
import android.content.Context;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.bumptech.glide.Glide;
import com.example.huoxuebin1511b0407.Bean.CountPriceBean;
import com.example.huoxuebin1511b0407.Bean.ShopBean;
import com.example.huoxuebin1511b0407.R;
import com.example.huoxuebin1511b0407.presenter.ShopPresenter;
import com.example.huoxuebin1511b0407.utils.BaseObserver;
import com.example.huoxuebin1511b0407.utils.RetrofitManager;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Created by huoxuebin on 2018/4/7.
*/
public class ShopAdapter extends BaseExpandableListAdapter {
private int uid=10190;
private int childIndex;
private int allIndex;
private Context context;
private ShopBean shopBean;
private Handler handler;
private RelativeLayout relative_progress;
private ShopPresenter shopPresenter;
public ShopAdapter(Context context, ShopBean shopBean, Handler handler, RelativeLayout relative_progress, ShopPresenter shopPresenter) {
this.context = context;
this.shopBean = shopBean;
this.handler = handler;
this.relative_progress = relative_progress;
this.shopPresenter = shopPresenter;
}
@Override
public int getGroupCount() {
return shopBean.getData().size();
}
@Override
public int getChildrenCount(int groupPosition) {
return shopBean.getData().get(groupPosition).getList().size();
}
@Override
public Object getGroup(int groupPosition) {
return shopBean.getData().get(groupPosition);
}
@Override
public Object getChild(int groupPosition, int childPosition) {
return shopBean.getData().get(groupPosition).getList().get(childPosition);
}
@Override
public long getGroupId(int groupPosition) {
return groupPosition;
}
@Override
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
@Override
public boolean hasStableIds() {
return true;
}
@Override
public View getGroupView(int groupPosition, boolean b, View view, ViewGroup viewGroup) {
final GroupHolder holder;
if (view == null){
view = View.inflate(context, R.layout.yijiliebiao,null);
holder = new GroupHolder();
holder.checkBox=view.findViewById(R.id.group_check);
holder.textView= view.findViewById(R.id.group_text);
view.setTag(holder);
}else {
holder = (GroupHolder) view.getTag();
}
final ShopBean.DataBean dataBean = shopBean.getData().get(groupPosition);
//赋值
holder.textView.setText(dataBean.getSellerName());
holder.checkBox.setChecked(dataBean.isGroup_check());
//商家的点击事件
holder.checkBox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//显示progress
relative_progress.setVisibility(View.VISIBLE);
//根据商家的状态holder.checkbox.ischecked(),改变下面所有子条目的状态,,,10,,改变十次,更新完成一个之后再去执行下一个...递归
childIndex = 0;
updateAllChildInGroup(dataBean,holder.checkBox.isChecked());
}
});
return view;
}
/**
* 根据商家状态使用递归改变所有的子条目
* @param dataBean
* @param checked
*/
private void updateAllChildInGroup(final ShopBean.DataBean dataBean, final boolean checked) {
ShopBean.DataBean.ListBean listBean = dataBean.getList().get(childIndex);
Map<String, String> params = new HashMap<>();
//?uid=71&sellerid=1&pid=1&selected=0&num=10
params.put("uid","71");
params.put("sellerid", String.valueOf(listBean.getSellerid()));
params.put("pid", String.valueOf(listBean.getPid()));
params.put("selected", String.valueOf(checked ? 1:0));
params.put("num", String.valueOf(listBean.getNum()));
RetrofitManager.post("product/updateCarts", params, new BaseObserver<ShopBean>() {
@Override
public void success(ShopBean shopBean) {
childIndex++;
if (childIndex < dataBean.getList().size()) {
//再去更新下一条
updateAllChildInGroup(dataBean, checked);
} else {//全都更新完成了....重新查询购物车
shopPresenter.getshop("product/getCarts", uid);
}
}
@Override
public void failure(int code) {
}
});
}
@Override
public View getChildView(int groupPosition, int childPosition, boolean b, View view, ViewGroup viewGroup) {
ChildHolder holder;
if (view == null){
view = View.inflate(context, R.layout.erjiliebiao,null);
holder = new ChildHolder();
holder.checkBox = view.findViewById(R.id.child_check);
holder.text_title = view.findViewById(R.id.child_title);
holder.imageView = view.findViewById(R.id.child_image);
holder.text_price = view.findViewById(R.id.child_price);
holder.text_jian = view.findViewById(R.id.text_jian);
holder.text_num = view.findViewById(R.id.text_num);
holder.text_add = view.findViewById(R.id.text_add);
holder.text_delete = view.findViewById(R.id.text_delete);
view.setTag(holder);
}else {
holder = (ChildHolder) view.getTag();
}
final ShopBean.DataBean.ListBean listBean = shopBean.getData().get(groupPosition).getList().get(childPosition);
//赋值
holder.text_title.setText(listBean.getTitle());
holder.text_price.setText("¥"+listBean.getBargainPrice());
String[] strings = listBean.getImages().split("\\|");
Glide.with(context).load(strings[0]).into(holder.imageView);
holder.checkBox.setChecked(listBean.getSelected() == 0? false:true);//根据0,1进行设置是否选中
//setText()我们使用一定是设置字符串
holder.text_num.setText(listBean.getNum()+"");
//点击事件
holder.checkBox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//此时需要显示进度条
relative_progress.setVisibility(View.VISIBLE);
//更新购物车,,,,需要改变是否选中,,,如果现在显示的是0,改成1;;;1--->0
Map<String, String> params = new HashMap<>();
//?uid=71&sellerid=1&pid=1&selected=0&num=10
params.put("uid","71");
params.put("sellerid", String.valueOf(listBean.getSellerid()));
params.put("pid", String.valueOf(listBean.getPid()));
params.put("selected", String.valueOf(listBean.getSelected() == 0? 1:0));
params.put("num", String.valueOf(listBean.getNum()));
RetrofitManager.post("product/updateCarts", params, new BaseObserver<ShopBean>() {
@Override
public void success(ShopBean shopBean) {
shopPresenter.getshop("product/getCarts",uid);
}
@Override
public void failure(int code) {
}
});
}
});
//加号
holder.text_add.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//此时需要显示进度条
relative_progress.setVisibility(View.VISIBLE);
//更新购物车,,,,需要改变是数量,,,,需要加1
Map<String, String> params = new HashMap<>();
//?uid=71&sellerid=1&pid=1&selected=0&num=10
params.put("uid","71");
params.put("sellerid", String.valueOf(listBean.getSellerid()));
params.put("pid", String.valueOf(listBean.getPid()));
params.put("selected", String.valueOf(listBean.getSelected()));
params.put("num", String.valueOf(listBean.getNum()+1));
RetrofitManager.post("product/updateCarts", params, new BaseObserver<ShopBean>() {
@Override
public void success(ShopBean shopBean) {
shopPresenter.getshop("product/getCarts", uid);
}
@Override
public void failure(int code) {
}
});
}
});
//减号
holder.text_jian.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
int num = listBean.getNum();
if (num == 1){
return;
}
//此时需要显示进度条
relative_progress.setVisibility(View.VISIBLE);
//更新购物车,,,,需要改变是数量,,,,需要加1
Map<String, String> params = new HashMap<>();
//?uid=71&sellerid=1&pid=1&selected=0&num=10
params.put("uid","71");
params.put("sellerid", String.valueOf(listBean.getSellerid()));
params.put("pid", String.valueOf(listBean.getPid()));
params.put("selected", String.valueOf(listBean.getSelected()));
params.put("num", String.valueOf(num-1));
RetrofitManager.post("product/updateCarts", params, new BaseObserver<ShopBean>() {
@Override
public void success(ShopBean shopBean) {
shopPresenter.getshop("product/getCarts", uid);
}
@Override
public void failure(int code) {
}
});
}
});
//删除
holder.text_delete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//显示进度条
relative_progress.setVisibility(View.VISIBLE);
//调用删除的接口
Map<String, String> params = new HashMap<>();
//uid=72&pid=1
params.put("uid", "71");
params.put("pid", String.valueOf(listBean.getPid()));
RetrofitManager.post("product/deleteCart", params, new BaseObserver<ShopBean>() {
@Override
public void success(ShopBean shopBean) {
shopPresenter.getshop("product/getCarts", uid);
}
@Override
public void failure(int code) {
}
});
}
});
return view;
}
@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
return true;
}
/**
* 计算总价和数量,,,并且发送给activity进行显示
*/
public void sendPriceAndCount() {
double price = 0;
int count = 0;
for (int i = 0;i<shopBean.getData().size();i++){
List<ShopBean.DataBean.ListBean> listBeans = shopBean.getData().get(i).getList();
for (int j = 0; j< listBeans.size(); j++){
if (listBeans.get(j).getSelected() == 1){
price += listBeans.get(j).getBargainPrice() * listBeans.get(j).getNum();
count += listBeans.get(j).getNum();
}
}
}
//double高精度,,,计算的时候可能会出现一串数字...保留两位
DecimalFormat decimalFormat = new DecimalFormat("0.00");
String priceString = decimalFormat.format(price);
CountPriceBean countPriceBean = new CountPriceBean(priceString, count);
//发送到主页面进行显示
Message msg = Message.obtain();
msg.what = 0;
msg.obj = countPriceBean;
handler.sendMessage(msg);
}
/**
* 根据全选的状态更新所有商品的状态
* @param checked
*/
public void setAllChildsChecked(boolean checked) {
//创建一个大的结合,,,存放所有商品的数据
List<ShopBean.DataBean.ListBean> allList = new ArrayList<>();
for (int i= 0;i<shopBean.getData().size();i++){
List<ShopBean.DataBean.ListBean> listBeans = shopBean.getData().get(i).getList();
for (int j=0;j<listBeans.size();j++){
allList.add(listBeans.get(j));
}
}
//显示progress
relative_progress.setVisibility(View.VISIBLE);
//递归更新....
allIndex = 0;
updateAllChecked(allList,checked);
}
/**
* 更新所有的商品
* @param allList
* @param checked
*/
private void updateAllChecked(final List<ShopBean.DataBean.ListBean> allList, final boolean checked) {
ShopBean.DataBean.ListBean listBean = allList.get(allIndex);
// ShopBean.DataBean.ListBean listBean = allList.get(allIndex);
Map<String, String> params = new HashMap<>();
//?uid=71&sellerid=1&pid=1&selected=0&num=10
params.put("uid","71");
params.put("sellerid", String.valueOf(listBean.getSellerid()));
params.put("pid", String.valueOf(listBean.getPid()));
params.put("selected", String.valueOf(checked ? 1:0));
params.put("num", String.valueOf(listBean.getNum()));
RetrofitManager.post("product/updateCarts", params, new BaseObserver<ShopBean>() {
@Override
public void success(ShopBean shopBean) {
allIndex ++;
if(allIndex < allList.size()){
updateAllChecked(allList,checked);
}
else{
shopPresenter.getshop("product/getCarts", uid);
}
}
@Override
public void failure(int code) {
}
});
}
private class GroupHolder{
CheckBox checkBox;
TextView textView;
}
private class ChildHolder{
CheckBox checkBox;
ImageView imageView;
TextView text_title;
TextView text_price;
TextView text_num;
TextView text_jian;
TextView text_add;
TextView text_delete;
}
}
//布局 一级列表
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:padding="10dp"
android:orientation="horizontal"
android:layout_height="match_parent">
<CheckBox
android:id="@+id/group_check"
android:layout_gravity="center_vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:id="@+id/group_text"
android:layout_marginLeft="10dp"
android:layout_gravity="center_vertical"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
//二级列表
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="10dp">
<CheckBox
android:id="@+id/child_check"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
/>
<ImageView
android:id="@+id/child_image"
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_marginLeft="10dp"
android:layout_toRightOf="@+id/child_check" />
<TextView
android:id="@+id/child_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:layout_toLeftOf="@+id/text_delete"
android:layout_toRightOf="@+id/child_image"
android:maxLines="2"
android:minLines="2" />
<TextView
android:id="@+id/child_price"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/child_image"
android:layout_marginLeft="5dp"
android:layout_toRightOf="@+id/child_image"
android:text="¥0.00"
android:textColor="#ff0000" />
<LinearLayout
android:id="@+id/linearLayout"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/child_image"
android:layout_toLeftOf="@+id/text_delete"
android:orientation="horizontal">
<TextView
android:id="@+id/text_jian"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/bian_kuang"
android:padding="5dp"
android:text="－" />
<TextView
android:id="@+id/text_num"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/bian_kuang"
android:paddingBottom="5dp"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:paddingTop="5dp"
android:text="1" />
<TextView
android:id="@+id/text_add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/bian_kuang"
android:padding="5dp"
android:text="＋" />
</LinearLayout>
<TextView
android:id="@+id/text_delete"
android:layout_width="40dp"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/linearLayout"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_marginLeft="5dp"
android:background="#ff0000"
android:gravity="center"
android:text="删除"
android:textColor="#ffffff" />
</RelativeLayout>
activity布局
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.huoxuebin1511b0407.Activity.ShopActivity">
<ScrollView
android:id="@+id/scro"
android:layout_above="@+id/linear_bottom"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<!--二级列表-->
<com.example.huoxuebin1511b0407.MyExpanableListView.MyExpanableListView
android:id="@+id/expanable_list_view"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</com.example.huoxuebin1511b0407.MyExpanableListView.MyExpanableListView>>
</LinearLayout>
</ScrollView>
<RelativeLayout
android:id="@+id/relative_progress"
android:visibility="gone"
android:layout_above="@+id/linear_bottom"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ProgressBar
android:layout_centerInParent="true"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</RelativeLayout>
<LinearLayout
android:orientation="horizontal"
android:id="@+id/linear_bottom"
android:layout_alignParentBottom="true"
android:layout_width="match_parent"
android:layout_height="50dp">
<CheckBox
android:layout_marginLeft="10dp"
android:id="@+id/check_all"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:id="@+id/text_total"
android:text="合计:¥0.00"
android:layout_gravity="center_vertical"
android:layout_marginLeft="10dp"
android:layout_width="0dp"
android:layout_weight="1"
android:layout_height="wrap_content" />
<TextView
android:id="@+id/text_buy"
android:background="#ff0000"
android:textColor="#ffffff"
android:gravity="center"
android:text="去结算(0)"
android:layout_width="100dp"
android:layout_height="match_parent" />
</LinearLayout>
</RelativeLayout>
//边框
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#ffffff"/>
<stroke android:color="#000000" android:width="0.1dp"/>
</shape>