Adapter 购物

package com.bawei.dome_gouwu3;

import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.TextView;

import com.nostra13.universalimageloader.core.ImageLoader;

import java.util.List;

import butterknife.BindView;
import butterknife.ButterKnife;

/**
 * Created by hasee on 2018/6/29.
 */

public class MyAdapter extends BaseExpandableListAdapter {
    private static final String TAG = "MyAdapter";
    private List<Baen.DataBean> data;

    public MyAdapter(List<Baen.DataBean> data) {
        this.data = data;
    }

    @Override
    public int getGroupCount() {
        return data == null ? 0 : data.size();
    }

    @Override
    public int getChildrenCount(int groupPosition) {


        return data.get(groupPosition).getList() == null ? 0 : data.get(groupPosition).getList().size();
    }

    @Override
    public Object getGroup(int groupPosition) {
        return null;
    }

    @Override
    public Object getChild(int groupPosition, int childPosition) {
        return null;
    }

    @Override
    public long getGroupId(int groupPosition) {
        return 0;
    }

    @Override
    public long getChildId(int groupPosition, int childPosition) {
        return 0;
    }

    @Override
    public boolean hasStableIds() {
        return false;
    }

    @Override
    public View getGroupView(final int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
        Baen.DataBean dataBean = data.get(groupPosition);

        GViewHolder gViewHolder;
        if (convertView == null) {

            convertView = View.inflate(parent.getContext(), R.layout.item_cart_parent, null);

            gViewHolder = new GViewHolder(convertView);

            convertView.setTag(gViewHolder);

        } else {

            gViewHolder = (GViewHolder) convertView.getTag();

        }
        gViewHolder.sellerNameTv.setText(dataBean.getSellerName());
        boolean currentSellerAllProductSelected = isCurrentSellerAllProductSelected(groupPosition);

        gViewHolder.sellerCb.setChecked(currentSellerAllProductSelected);

        gViewHolder.sellerCb.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {


                Log.d(TAG,"monCartListChangeListener");
                    monCartListChangeListener.onSellerCheckedChange(groupPosition);

            }
        });

        return convertView;
    }

    //当前商家所有商品是否被选中
    public boolean isCurrentSellerAllProductSelected(int groupPosition) {

        Baen.DataBean dataBean = data.get(groupPosition);
        List<Baen.ListBaen> list = dataBean.getList();

        for (Baen.ListBaen listBaen : list) {

            if (listBaen.getSelected() == 0) {

                return false;
            }
        }
        return true;

    }

    @Override
    public View getChildView(final int groupPosition, final int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
        Baen.DataBean dataBean = data.get(groupPosition);
        List<Baen.ListBaen> list = dataBean.getList();

        CViewHolder cViewHolder;
        if (convertView == null) {

            convertView = View.inflate(parent.getContext(), R.layout.item_cart_child, null);

            cViewHolder = new CViewHolder(convertView);

            convertView.setTag(cViewHolder);
        } else {

            cViewHolder = (CViewHolder) convertView.getTag();

        }

        Baen.ListBaen listBaen = list.get(childPosition);
        String title = listBaen.getTitle();
        String images = list.get(childPosition).getImages();
        String[] split = images.split("\\|");
        //单价
        cViewHolder.priceChilid.setText(listBaen.getPrice() + "");
        cViewHolder.chiidCheckbox.setChecked(listBaen.getSelected()==1);
        //图片
        ImageLoader.getInstance().displayImage(split[0], cViewHolder.chilidImage, MyApp.getOptions());
        cViewHolder.chiidCheckbox.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.d("TAG","checkbox");
                if (monCartListChangeListener!=null){

                    monCartListChangeListener.onProductCheckedChange(groupPosition,childPosition);
                }
            }
        });
        cViewHolder.addRemoveView.setNb(listBaen.getNum());


        cViewHolder.addRemoveView.setOnNumberChangeListener(new MyAddSubView.OnNumberChangeListener() {
            @Override
            public void onNumberChange(int num) {
                    monCartListChangeListener.onProductNumberChange(groupPosition,childPosition,num);

            }
        });
        cViewHolder.titleText.setText(title);

        return convertView;
    }

    @Override
    public boolean isChildSelectable(int groupPosition, int childPosition) {
        return false;
    }

    //所有的商品是否被选中
    public boolean isAllProductsSelected() {

        for (int i = 0; i < data.size(); i++) {

            Baen.DataBean dataBean = data.get(i);
            List<Baen.ListBaen> list = dataBean.getList();
            for (int j = 0; j < list.size(); j++) {
                if (list.get(j).getSelected() == 0) {
                    return false;
                }
            }
        }
        return true;
    }

    //总价格

    public float Totalcost() {

        float totoprice = 0;

        for (int i = 0; i < data.size(); i++) {
            Baen.DataBean dataBean = data.get(i);
            List<Baen.ListBaen> list = dataBean.getList();
            for (int j = 0; j < list.size(); j++) {

                double price = list.get(j).getPrice();

                int num = list.get(j).getNum();

                totoprice += price * num;
            }

        }
        return totoprice;
    }


    //总数量
    public int thetotalAmount() {
        int totoNber = 0;

        for (int i = 0; i < data.size(); i++) {
            Baen.DataBean dataBean = data.get(i);
            List<Baen.ListBaen> list = dataBean.getList();
            for (int j = 0; j < list.size(); j++) {
                int num = list.get(j).getNum();
                totoNber += num;
            }
        }
        return totoNber;
    }

    //当商家得checkbox被点击得时候调用，设置当前商家得所有商品得状态
    public void changeCurrentSellerAllProductsStatus(int groupPosition, boolean isSelected) {
        Baen.DataBean dataBean = data.get(groupPosition);
        List<Baen.ListBaen> list = dataBean.getList();

        for (int i = 0; i < list.size(); i++) {
            Baen.ListBaen listBaen = list.get(i);
            listBaen.setSelected(isSelected ? 1 : 0);
        }


    }

    //当商品得checkbox被点击得时候调用，改变当前商品状态
    public void changeCurrentProductStatus(int groupPosition, int childPosition) {
         Log.d("TAG","来过");

        Baen.DataBean dataBean = data.get(groupPosition);
        List<Baen.ListBaen> list = dataBean.getList();
        Baen.ListBaen listBaen = list.get(childPosition);
        listBaen.setSelected(listBaen.getSellerid() == 0 ? 1 : 0);

    }

    //当加减器被点击得时候调用，改变当前商品得数量
    public void changeCurrentProductNumber(int groupPosition, int childPosition, int number) {

        Baen.DataBean dataBean = data.get(groupPosition);
        List<Baen.ListBaen> list = dataBean.getList();
        Baen.ListBaen listBaen = list.get(childPosition);
        listBaen.setNum(number);


    }

    //设置所有商品得状态
    public void changeAllProductsStatus(boolean selected) {

        for (int i = 0; i < data.size(); i++) {
            Baen.DataBean dataBean = data.get(i);
            List<Baen.ListBaen> list = dataBean.getList();
            for (int j = 0; j < list.size(); j++) {

                list.get(j).setSelected(selected ? 1 : 0);

            }


        }


    }



    static class GViewHolder {
        @BindView(R.id.seller_cb)
        CheckBox sellerCb;
        @BindView(R.id.seller_name_tv)
        TextView sellerNameTv;

        GViewHolder(View view) {
            ButterKnife.bind(this, view);
        }
    }


    onCartListChangeListener monCartListChangeListener;

    public void setMonCartListChangeListener(onCartListChangeListener monCartListChangeListener) {
        this.monCartListChangeListener = monCartListChangeListener;
    }

    public interface onCartListChangeListener {

        void onSellerCheckedChange(int groupPosition);

        void onProductCheckedChange(int groupPosition, int childPosition);

        void onProductNumberChange(int groupPosition, int childPosition, int number);
    }

    static class CViewHolder {
        @BindView(R.id.chiid_checkbox)
        CheckBox chiidCheckbox;
        @BindView(R.id.chilid_image)
        ImageView chilidImage;
        @BindView(R.id.title_text)
        TextView titleText;
        @BindView(R.id.price_chilid)
        TextView priceChilid;
        @BindView(R.id.add_remove_view)
        MyAddSubView addRemoveView;

        CViewHolder(View view) {
            ButterKnife.bind(this, view);
        }
    }
}