京东二级购物车

package test.bawie.fangjd.model.adapter;import android.content.Context;import android.content.DialogInterface;import android.content.SharedPreferences;import android.support.v7.app.AlertDialog;import android.view.View;import android.view.ViewGroup;import android.widget.BaseExpandableListAdapter;import android.widget.Button;import android.widget.CheckBox;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;import android.widget.Toast;import com.squareup.picasso.Picasso;import org.greenrobot.eventbus.EventBus;import java.util.List;import test.bawie.fangjd.AddDelView;import test.bawie.fangjd.R;import test.bawie.fangjd.model.bean.DeleteGoods;import test.bawie.fangjd.model.bean.GoodsCarBean;import test.bawie.fangjd.model.bean.ShanchuBean;import test.bawie.fangjd.model.eventbus.MessageCounEvent;import test.bawie.fangjd.model.eventbus.MessageEvent;import test.bawie.fangjd.presenter.DeletePresenter;import test.bawie.fangjd.presenter.ShanchuPresenter;import test.bawie.fangjd.view.IDeleteListener;import test.bawie.fangjd.view.IShanchuView;public class MyExAdapter extends BaseExpandableListAdapter implements IShanchuView{    private Context context;    private List<GoodsCarBean.DataBean> groupList;    private List<List<GoodsCarBean.DataBean.ListBean>> childList;    private int count;    private double price;    private int numm;    private int pid;    private ShanchuPresenter shanchuPresenter;    public MyExAdapter(Context context, List<GoodsCarBean.DataBean> grouplist, List<List<GoodsCarBean.DataBean.ListBean>> childlist) {        this.context = context;        this.groupList = grouplist;        this.childList = childlist;    }    @Override    public int getGroupCount() {        return groupList.size();    }    @Override    public int getChildrenCount(int groupPosition) {        return childList.get(groupPosition).size();    }    @Override    public Object getGroup(int groupPosition) {        return groupList.get(groupPosition);    }    @Override    public Object getChild(int groupPosition, int childPosition) {        return childList.get(groupPosition).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 false;    }    @Override    public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {        View view;        GroupViewHolder holder;        if (convertView == null) {            holder = new GroupViewHolder();            view = View.inflate(context, R.layout.adapter_addcar_group, null);            holder.cb_group = view.findViewById(R.id.cb_group);            holder.tv_shangjia = view.findViewById(R.id.tv_shangjia);            view.setTag(holder);        } else {            view = convertView;            holder = (GroupViewHolder) view.getTag();        }        //赋值        GoodsCarBean.DataBean dataBean = groupList.get(groupPosition);        holder.cb_group.setChecked(dataBean.isChecked());        holder.tv_shangjia.setText(dataBean.getSellerName());        //给group的checkbox设置点击事件        holder.cb_group.setOnClickListener(new GroupCbOnClickListener(groupPosition));        return view;    }    @Override    public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {        View view;        final ChildViewHolder holder;        if (convertView == null) {            holder = new ChildViewHolder();            view = View.inflate(context, R.layout.adapter_addcar_child, null);            holder.cb_child = view.findViewById(R.id.cb_child);            holder.iv_child = view.findViewById(R.id.iv_child);            holder.shan=view.findViewById(R.id.shanshan);            holder.tv_child_name = view.findViewById(R.id.tv_child_name);            holder.tv_child_price = view.findViewById(R.id.tv_child_price);            holder.myadd = view.findViewById(R.id.myadd);            holder.add = view.findViewById(R.id.add);            holder.del = view.findViewById(R.id.del);            holder.num = view.findViewById(R.id.num);            holder.lldel = view.findViewById(R.id.lldel);            view.setTag(holder);        } else {            view = convertView;            holder = (ChildViewHolder) view.getTag();        }        shanchuPresenter = new ShanchuPresenter(context, this);        //赋值        final GoodsCarBean.DataBean.ListBean listBean = childList.get(groupPosition).get(childPosition);        holder.cb_child.setChecked(listBean.isChecked());        holder.tv_child_name.setText(listBean.getTitle());        pid = listBean.getPid();        holder.tv_child_price.setText("￥"+listBean.getPrice());        String images = listBean.getImages();        String[] imgArr = images.split("\\|");        Picasso.with(context).load(imgArr[0]).into(holder.iv_child);        holder.cb_child.setOnClickListener(new ChildCbOnClickListener(groupPosition, childPosition));        numm = Integer.parseInt(holder.num.getText().toString().trim());        holder.shan.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                shanchuPresenter.getWuxiian();            }        });        holder.lldel.setOnLongClickListener(new View.OnLongClickListener() {            @Override            public boolean onLongClick(View view) {                AlertDialog alertDialog = new AlertDialog.Builder(context)                        .setTitle(listBean.getTitle())                        .setMessage("确定删除吗?")                        .setPositiveButton("确定", new DialogInterface.OnClickListener() {                            @Override                            public void onClick(DialogInterface dialogInterface, int i) {//                                Toast.makeText(context, "点了", Toast.LENGTH_SHORT).show();                                SharedPreferences sharedPreferences = context.getSharedPreferences("User", Context.MODE_PRIVATE);                                final int uid = sharedPreferences.getInt("uid", 0);                                final String token = sharedPreferences.getString("token", "");                                DeletePresenter deletePresenter = new DeletePresenter(new IDeleteListener() {                                    @Override                                    public int getUid() {                                        return uid;                                    }                                    @Override                                    public int getPid() {                                        return listBean.getPid();                                    }                                    @Override                                    public String getToken() {                                        return token;                                    }                                    @Override                                    public void getData(DeleteGoods bean) {                                        Toast.makeText(context, bean.getMsg(), Toast.LENGTH_SHORT).show();                                        notifyDataSetChanged();                                    }                                });                                deletePresenter.lianjie();                            }                        })                        .setNegativeButton("取消", null)                        .show();                return true;            }        });        holder.myadd.setOnItemClick(new AddDelView.OnItemClick() {            @Override            public void onItemAddClick(int count) {                if (listBean.isChecked()) {                    MessageCounEvent messageCounEvent = new MessageCounEvent();                    messageCounEvent.setPrice(listBean.getPrice());                    messageCounEvent.setCount(1);                    EventBus.getDefault().post(messageCounEvent);                } else {                    Toast.makeText(context, "请勾选", Toast.LENGTH_SHORT).show();                    holder.myadd.setCount(1);                }                notifyDataSetChanged();            }            @Override            public void onItemDelClick(int count) {                if (listBean.isChecked()) {                    MessageCounEvent messageCounEvent = new MessageCounEvent();                    double price = listBean.getPrice();                    messageCounEvent.setPrice(-price);                    messageCounEvent.setCount(-1);                    EventBus.getDefault().post(messageCounEvent);                } else{                    Toast.makeText(context, "请勾选", Toast.LENGTH_SHORT).show();                    holder.myadd.setCount(1);                }                notifyDataSetChanged();            }        });        return view;    }    @Override    public boolean isChildSelectable(int groupPosition, int childPosition) {        return true;    }    @Override    public int uid() {        return 509;    }    @Override    public int pscid() {        return pid;    }    @Override    public void getBean(ShanchuBean shanchuBean) {        String msg = shanchuBean.getMsg();        Toast.makeText(context,msg,Toast.LENGTH_SHORT).show();    }    class GroupViewHolder {        CheckBox cb_group;        TextView tv_shangjia;    }    class ChildViewHolder {        Button shan;        CheckBox cb_child;        ImageView iv_child;        TextView tv_child_name;        TextView tv_child_price;        AddDelView myadd;        TextView add;        TextView del;        TextView num;        LinearLayout lldel;    }    class ChildCbOnClickListener implements View.OnClickListener {        private int groupPosition;        private int childPosition;        public ChildCbOnClickListener(int groupPosition, int childPosition) {            this.groupPosition = groupPosition;            this.childPosition = childPosition;        }        @Override        public void onClick(View v) {            List<GoodsCarBean.DataBean.ListBean> listBeen = childList.get(groupPosition);            GoodsCarBean.DataBean.ListBean childBean = listBeen.get(childPosition);            if (v instanceof CheckBox) {                CheckBox cb = (CheckBox) v;                childBean.setChecked(cb.isChecked());                //计算选中的商品数，并发送到主界面进行显示                //判断该商家的所有商品的checkbox是否都选中                if (isChildChecked(listBeen)) {                    groupList.get(groupPosition).setChecked(true);                    MessageCounEvent msgCount = new MessageCounEvent();                    msgCount.setCount(1*numm);                    msgCount.setPrice(childBean.getPrice()*numm);                    EventBus.getDefault().post(msgCount);                    MessageEvent msg = new MessageEvent();                    msg.setFlag(isGroupChecked());                    EventBus.getDefault().post(msg);                    notifyDataSetChanged();                } else {                    groupList.get(groupPosition).setChecked(false);                    MessageCounEvent messageCounEvent = new MessageCounEvent();                    double price = childBean.getPrice();                    messageCounEvent.setPrice(-childBean.getPrice()*numm);                    messageCounEvent.setCount(-1*numm);                    EventBus.getDefault().post(messageCounEvent);                    MessageEvent msg = new MessageEvent();                    msg.setFlag(false);                    EventBus.getDefault().post(msg);                    notifyDataSetChanged();                    notifyDataSetChanged();                }            }        }    }    /**     * 判断该商家的所有商品的checkbox是否都选中     *     * @return     */    private boolean isChildChecked(List<GoodsCarBean.DataBean.ListBean> childBeen) {        for (int i = 0; i < childBeen.size(); i++) {            GoodsCarBean.DataBean.ListBean listBean = childBeen.get(i);            if (!listBean.isChecked()) {                return false;            }        }        return true;    }    class GroupCbOnClickListener implements View.OnClickListener {        private int groupPostion;        public GroupCbOnClickListener(int groupPostion) {            this.groupPostion = groupPostion;        }        @Override        public void onClick(View v) {            if (v instanceof CheckBox) {                //多态，因为我是给checkbox设置的点击事件，所以可以强转成checkbox                CheckBox cb = (CheckBox) v;                //根据cb.isChecked()是否选中，给一级列的checkbox改变状态                groupList.get(groupPostion).setChecked(cb.isChecked());                List<GoodsCarBean.DataBean.ListBean> listBeen = childList.get(groupPostion);                for (GoodsCarBean.DataBean.ListBean childBean : listBeen) {                    childBean.setChecked(cb.isChecked());                }                //计算选中的商品数，并发送到主界面进行显示                if(cb.isChecked()){                    MessageCounEvent msgCount = new MessageCounEvent();                    msgCount.setCount(listBeen.size());                    for (int i = 0; i <listBeen.size() ; i++) {                        msgCount.setPrice(listBeen.get(i).getPrice());                    }                    EventBus.getDefault().post(msgCount);                }else {                    MessageCounEvent msgCount = new MessageCounEvent();                    msgCount.setCount(-listBeen.size());                    for (int i = 0; i <listBeen.size() ; i++) {                        msgCount.setPrice(-listBeen.get(i).getPrice());                    }                    EventBus.getDefault().post(msgCount);                }                MessageEvent msg = new MessageEvent();                msg.setFlag(isGroupChecked());                EventBus.getDefault().post(msg);                notifyDataSetChanged();            }        }    }    /**     * 判断其它的商家是否选中     *     * @return     */    private boolean isGroupChecked() {        for (GoodsCarBean.DataBean groupBean : groupList) {            if (!groupBean.isChecked()) {                return false;            }        }        return true;    }    /**     * 主界面全选按钮的操作     *     * @param bool     */    public void allChecked(boolean bool) {        for (int i = 0; i < groupList.size(); i++) {            groupList.get(i).setChecked(bool);            for (int j = 0; j < childList.get(i).size(); j++) {                childList.get(i).get(j).setChecked(bool);                childList.get(i).get(j).getPrice();            }        }        if(bool){            //计算选中的商品数，并发送到主界面进行显示            MessageCounEvent msgCount = new MessageCounEvent();            int totalCount = totalCount();            msgCount.setCount(totalCount);            msgCount.setPrice(totalprice());            EventBus.getDefault().post(msgCount);            notifyDataSetChanged();        }else {            MessageCounEvent msgCount = new MessageCounEvent();            int i = totalCount();            msgCount.setCount(0);            double totalprice = totalprice();            msgCount.setPrice(0);            EventBus.getDefault().post(msgCount);            notifyDataSetChanged();        }    }    private int totalCount() {        count = 0;        for (int i = 0; i < groupList.size(); i++) {            for (int j = 0; j < childList.get(i).size(); j++) {                if (childList.get(i).get(j).isChecked()) {                    //遍历所有的商品，只要是选中状态的，就加1                    count++;                }else {                    count--;                }            }        }        return count;    }    private double totalprice() {        price = 0.0;        for (int i = 0; i < groupList.size(); i++) {            for (int j = 0; j < childList.get(i).size(); j++) {                if (childList.get(i).get(j).isChecked()) {                    price+=childList.get(i).get(j).getPrice();                }else {                    price-=childList.get(i).get(j).getPrice();                }            }        }        return price;    }}