android Comparator做排序

package com.yueniuwang.yueniu.ui.stock.fragment;

import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.TextView;

import com.yueniuwang.yueniu.Config;
import com.yueniuwang.yueniu.MainActivity;
import com.yueniuwang.yueniu.R;
import com.yueniuwang.yueniu.commen.LazyPtrFragment;
import com.yueniuwang.yueniu.datamanager.TokenManager;
import com.yueniuwang.yueniu.eventmodel.OpChangedEvent;
import com.yueniuwang.yueniu.httpresoponse.AddOpStockResponse;
import com.yueniuwang.yueniu.httpresoponse.NormalResponse;
import com.yueniuwang.yueniu.net.WebService;
import com.yueniuwang.yueniu.httprequest.TokenRequest;
import com.yueniuwang.yueniu.httprequest.UpdataOptionStockRequest;
import com.yueniuwang.yueniu.rxfunction.CompletedAction0;
import com.yueniuwang.yueniu.rxfunction.FlatMapFunc1;
import com.yueniuwang.yueniu.rxfunction.ThrowableAction1;
import com.yueniuwang.yueniu.ui.commen.activity.SearchActivity;
import com.yueniuwang.yueniu.ui.stock.activity.EditOptionStockActivity;
import com.yueniuwang.yueniu.ui.stock.activity.StockStateDetailsActivity;
import com.yueniuwang.yueniu.ui.user.activity.UserLoginActivity;
import com.yueniuwang.yueniu.utils.PackParamsUtils;
import com.yueniuwang.yueniu.utils.ToastUtils;
import com.yueniuwang.yueniu.widget.NetProgressView;
import com.yueniuwang.yueniu.widget.ptrui.PtrClassicFrameLayout;

import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;

import java.io.Serializable;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import rx.android.schedulers.AndroidSchedulers;
import rx.functions.Action1;
import rx.schedulers.Schedulers;


public class OptionalFragment extends LazyPtrFragment {

    public ListView listView;
    public PtrClassicFrameLayout ptrLayout;
    private NetProgressView netProgressView;
    private View contentView;
    private TextView rbEdit;
    private TextView cancelSort;
    private ImageButton ib_search;
    private TextView textPrice;
    private TextView textPercent;
    private View login;
    private View addStock;
    private OptionalStockAdapter optionalStockAdapter;
    private List datas = new ArrayList<>();
    private List originDatas = new ArrayList<>();
    int priceSortTag = 0;//价格排序
    int percentSortTag = 0;//涨点幅排序
    private static final int OPTIONAL_FRAG = 1;
    private static final String OP_STOCK = "opstock";

    private TokenTag tokenTag = TokenTag.DEFAULT;

    private enum TokenTag {//在没有token时，从其他界面的登录回到次界面要刷新数据
        DEFAULT, NO_TOKEN
    }

    /**
     * 编辑点击事件
     */
    private View.OnClickListener EditOnClickListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Bundle bundle = new Bundle();
            bundle.putSerializable(OP_STOCK, (Serializable) originDatas);
            Intent intent = new Intent(getActivity(), EditOptionStockActivity.class);
            intent.putExtras(bundle);
            startActivityForResult(intent, OPTIONAL_FRAG);
        }
    };

    /**
     * 取消排序点击事件
     */
    private View.OnClickListener cancelSortOnClickListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            clearSort();
            restoreArrorw();
            rbEdit.setVisibility(View.VISIBLE);
            cancelSort.setVisibility(View.GONE);
            priceSortTag = 0;
            percentSortTag = 0;
        }
    };
    /**
     * 搜索点击事件
     */
    private View.OnClickListener searchOnClickListener = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
//            clearBackground();
            SearchActivity.startSearchActivity(getActivity(), Config.SEARCHFLAG);
        }
    };
    /**
     * 降序排列价格
     */
    private Comparator descSort = new Comparator() {
        @Override
        public int compare(AddOpStockResponse.DataBean lhs, AddOpStockResponse.DataBean rhs) {
            double price1 = Double.parseDouble(lhs.getPrice());
            double price2 = Double.parseDouble(rhs.getPrice());
            if (price2 > price1) {
                return 1;
            } else if (price2 < price1) {
                return -1;
            } else {
                return 0;
            }
        }
    };
    /**
     * 升序排列价格
     */
    private Comparator asccSort = new Comparator() {
        @Override
        public int compare(AddOpStockResponse.DataBean lhs, AddOpStockResponse.DataBean rhs) {
            double price1 = Double.parseDouble(lhs.getPrice());
            double price2 = Double.parseDouble(rhs.getPrice());
            if (price2 > price1) {
                return -1;
            } else if (price2 < price1) {
                return 1;
            } else {
                return 0;
            }
        }
    };

    /**
     * 降序排列跌幅比
     */
    private Comparator descPercent = new Comparator() {
        @Override
        public int compare(AddOpStockResponse.DataBean lhs, AddOpStockResponse.DataBean rhs) {
            double percent1 = Double.parseDouble(lhs.getPercent());
            double percent2 = Double.parseDouble(rhs.getPercent());
            if (percent1 > percent2) {
                return -1;
            } else if (percent1 < percent2) {
                return 1;
            } else {
                return 0;
            }
        }
    };
    /**
     * 升序排列跌幅比
     */
    private Comparator ascPercent = new Comparator() {
        @Override
        public int compare(AddOpStockResponse.DataBean lhs, AddOpStockResponse.DataBean rhs) {
            double percent1 = Double.parseDouble(lhs.getPercent());
            double percent2 = Double.parseDouble(rhs.getPercent());
            if (percent1 > percent2) {
                return 1;
            } else if (percent1 < percent2) {
                return -1;
            } else {
                return 0;
            }
        }
    };

    @Override
    protected void initLoadData() {
        getdata();
    }

    @Override
    protected PtrClassicFrameLayout initPtrLayout() {
        return ptrLayout;
    }

    @Override
    protected void startRefresh() {
        getdata();
    }

    @Override
    protected NetProgressView getNetProgressView() {
        return netProgressView;
    }

    @Override
    protected View getContentView() {
        return contentView;
    }

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_optional, null);
        EventBus.getDefault().register(this);
        initView(view);
        return view;
    }

    private void initView(View view) {
        contentView = view.findViewById(R.id.content_view);
        ptrLayout = (PtrClassicFrameLayout) view.findViewById(R.id.ptr_layout);
        netProgressView = (NetProgressView) view.findViewById(R.id.net_progress_view);
        textPrice = (TextView) view.findViewById(R.id.switch_price);
        textPercent = (TextView) view.findViewById(R.id.switch_percent);
        listView = (ListView) view.findViewById(R.id.optional_listView);
        login = view.findViewById(R.id.login);
        addStock = view.findViewById(R.id.add_stock);
        //处理排序开关
        view.findViewById(R.id.fl_switch_price).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                restoreArrorw();
                percentSortTag = 0;
                switch (priceSortTag) {
                    case 0:
                        Drawable drawable = getResources().getDrawable(R.drawable.ic_arrow_down_black_18dp);
                        drawable.setBounds(0, 0, drawable.getMinimumWidth(), drawable.getMinimumHeight());
                        textPrice.setCompoundDrawables(null, null, drawable, null);
                        Collections.sort(datas, descSort);
                        if (optionalStockAdapter != null) {
                            optionalStockAdapter.notifyDataSetChanged();
                        }
                        priceSortTag = 1;
                        rbEdit.setVisibility(View.GONE);
                        cancelSort.setVisibility(View.VISIBLE);
                        break;
                    case 1:
                        Drawable drawableup = getResources().getDrawable(R.drawable.ic_arrow_up_black_18dp);
                        drawableup.setBounds(0, 0, drawableup.getMinimumWidth(), drawableup.getMinimumHeight());
                        textPrice.setCompoundDrawables(null, null, drawableup, null);
                        Collections.sort(datas, asccSort);
                        if (optionalStockAdapter != null) {
                            optionalStockAdapter.notifyDataSetChanged();
                        }
                        priceSortTag = 2;
                        break;
                    case 2:
                        Drawable drawabledown = getResources().getDrawable(R.drawable.ic_arrow_bottom_right_black_18dp);
                        drawabledown.setBounds(0, 0, drawabledown.getMinimumWidth(), drawabledown.getMinimumHeight());
                        textPrice.setCompoundDrawables(null, null, drawabledown, null);
                        datas.clear();
                        for (AddOpStockResponse.DataBean bean : originDatas) {
                            datas.add(bean);
                        }
                        if (optionalStockAdapter != null) {
                            optionalStockAdapter.notifyDataSetChanged();
                        }
                        priceSortTag = 0;
                        rbEdit.setVisibility(View.VISIBLE);
                        cancelSort.setVisibility(View.GONE);
                        break;
                    default:
                        break;

                }
            }
        });
        view.findViewById(R.id.fl_switch_percent).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                restoreArrorw();
                priceSortTag = 0;
                switch (percentSortTag) {
                    case 0:
                        Drawable drawable = getResources().getDrawable(R.drawable.ic_arrow_down_black_18dp);
                        drawable.setBounds(0, 0, drawable.getMinimumWidth(), drawable.getMinimumHeight());
                        textPercent.setCompoundDrawables(null, null, drawable, null);
                        Collections.sort(datas, descPercent);
                        if (optionalStockAdapter != null) {
                            optionalStockAdapter.notifyDataSetChanged();
                        }
                        percentSortTag = 1;
                        rbEdit.setVisibility(View.GONE);
                        cancelSort.setVisibility(View.VISIBLE);
                        break;
                    case 1:
                        Drawable drawableup = getResources().getDrawable(R.drawable.ic_arrow_up_black_18dp);
                        drawableup.setBounds(0, 0, drawableup.getMinimumWidth(), drawableup.getMinimumHeight());
                        textPercent.setCompoundDrawables(null, null, drawableup, null);
                        Collections.sort(datas, ascPercent);
                        if (optionalStockAdapter != null) {
                            optionalStockAdapter.notifyDataSetChanged();
                        }
                        percentSortTag = 2;
                        break;
                    case 2:
                        Drawable drawabledown = getResources().getDrawable(R.drawable.ic_arrow_bottom_right_black_18dp);
                        drawabledown.setBounds(0, 0, drawabledown.getMinimumWidth(), drawabledown.getMinimumHeight());
                        textPercent.setCompoundDrawables(null, null, drawabledown, null);
                        datas.clear();
                        for (AddOpStockResponse.DataBean bean : originDatas) {
                            datas.add(bean);
                        }
                        if (optionalStockAdapter != null) {
                            optionalStockAdapter.notifyDataSetChanged();
                        }
                        percentSortTag = 0;
                        rbEdit.setVisibility(View.VISIBLE);
                        cancelSort.setVisibility(View.GONE);
                        break;
                    default:
                        break;

                }
            }
        });
        //点击添加自选股/
        addStock.setOnClickListener(searchOnClickListener);
        //点击登陆
        login.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                clearBackground();
                startActivity(new Intent(getActivity(), UserLoginActivity.class));
            }
        });
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView parent, View view, int position, long id) {
                AddOpStockResponse.DataBean dataBean = datas.get(position);
                if (dataBean != null) {
                    //跳转详情
                    StockStateDetailsActivity.startStockDetailActivity(getContext(), dataBean.getStockcode(), dataBean.getStockname());
                }
            }
        });

    }

    /**
     * 每次进入检查token，处理退出登录并清空内存数据
     */
    @Override
    public void onResume() {
        super.onResume();
        checkToken();
    }

    @Subscribe(sticky = true)
    public void onEvent(OpChangedEvent opChangedEvent) {
        refreshDatas();
    }

    @Override
    public void onDestroyView() {
        EventBus.getDefault().unregister(this);
        super.onDestroyView();
    }

    /**
     * 返回时判断刷新数据
     */
    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == OPTIONAL_FRAG) {
            String sortStock = data.getStringExtra("sortStock");
            if (!TextUtils.isEmpty(sortStock)) {
                sortStockDatas(sortStock);
            } else {
                refreshDatas();
            }
        }
    }

    @Override
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);
        //获取父fragment获取三个点击事件
        MainActivity mainActivity = (MainActivity) getActivity();
        Fragment opsFragment = mainActivity.getSupportFragmentManager().findFragmentByTag("R.id.navi_message");
        if (opsFragment != null && opsFragment instanceof OptionalStockFragment) {
            rbEdit = ((OptionalStockFragment) opsFragment).getRbEdit();
            cancelSort = ((OptionalStockFragment) opsFragment).getCancelSort();
            ib_search = ((OptionalStockFragment) opsFragment).getIb_search();
            rbEdit.setOnClickListener(EditOnClickListener);
            cancelSort.setOnClickListener(cancelSortOnClickListener);
            ib_search.setOnClickListener(searchOnClickListener);
        }
    }

    private void getdata() {
        if (TextUtils.isEmpty(TokenManager.getInstance().getToken())) {
            dealNoToken();
        } else {
            WebService.getInstance()
                    .retrofitService
                    .QueryOp(PackParamsUtils.getHash(new TokenRequest(TokenManager.getInstance().getToken())))
//                    .QueryOp(TokenManager.getInstance().getToken())
                    .flatMap(new FlatMapFunc1>())
                    .subscribeOn(Schedulers.io())
                    .observeOn(AndroidSchedulers.mainThread())
                    .subscribe(new Action1>() {
                        @Override
                        public void call(List dataBeen) {
                            clearBackground();
                            if (dataBeen == null || dataBeen.size() == 0) {
                                if (addStock.getVisibility() != View.VISIBLE) {
                                    addStock.setVisibility(View.VISIBLE);
                                }
                                if (optionalStockAdapter != null) {
                                    datas.clear();
                                    originDatas.clear();
                                    optionalStockAdapter.notifyDataSetChanged();
                                }
                                return;
                            }
                            datas.clear();
                            datas = dataBeen;
                            originDatas.clear();
                            for (AddOpStockResponse.DataBean bean : dataBeen) {
                                originDatas.add(bean);
                            }
                            optionalStockAdapter = new OptionalStockAdapter();
                            listView.setAdapter(optionalStockAdapter);
                            sortAdapter();
                        }
                    }, new ThrowableAction1(getActivity(), this), new CompletedAction0(this));
        }

    }


    public class OptionalStockAdapter extends BaseAdapter {


        @Override
        public int getCount() {
            return datas.size();
        }

        @Override
        public Object getItem(int position) {
            return datas.get(position);
        }

        @Override
        public long getItemId(int position) {
            return position;
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            ViewHolder holder;
            if (convertView == null) {
                holder = new ViewHolder();
                convertView = LayoutInflater.from(getActivity()).inflate(R.layout.optional_stock_list_item, null);
                holder.marketName = (TextView) convertView.findViewById(R.id.market_name);
                holder.marketcode = (TextView) convertView.findViewById(R.id.market_code);
                holder.curdot = (TextView) convertView.findViewById(R.id.curdot);
                holder.rate = (TextView) convertView.findViewById(R.id.rate);
                convertView.setTag(holder);
            } else {
                holder = (ViewHolder) convertView.getTag();
            }
            if (datas.get(position) != null) {
                DecimalFormat df1 = new DecimalFormat("0.00");//格式化小数
                holder.marketName.setText(datas.get(position).getStockname());
                holder.marketcode.setText(datas.get(position).getStockcode());
                if (!TextUtils.isEmpty(datas.get(position).getPrice())) {
                    holder.curdot.setText(df1.format(Double.valueOf(datas.get(position).getPrice())));
                } else {
                    holder.curdot.setText("0.00");
                }
                String percent = datas.get(position).getPercent();
                DecimalFormat df = new DecimalFormat("0.00%");//格式化百分数
                percent = df.format(Double.valueOf(percent));
                if (Double.parseDouble(datas.get(position).getPrice()) < 0.001) {
                    holder.rate.setBackgroundResource(R.drawable.shape_grey_background);
                    holder.rate.setText("停牌");
                } else {
                    if (percent.contains("-")) {
                        holder.rate.setBackgroundResource(R.drawable.shape_green_background);
                        holder.rate.setText(percent);
                    } else if (percent.startsWith("0.00")) {
                        holder.rate.setBackgroundResource(R.drawable.shape_grey_background);
                        holder.rate.setText(percent);
                    } else {
                        holder.rate.setBackgroundResource(R.drawable.shape_red_background);
                        holder.rate.setText("+" + percent);
                    }
                }
            }
            return convertView;
        }

    }


    /**
     * 处理编辑自选股界面回来的数据上传
     *
     * @param sortStock
     */
    private void sortStockDatas(String sortStock) {
        if (TextUtils.isEmpty(TokenManager.getInstance().getToken())) {
            dealNoToken();
        } else {
            WebService.getInstance()
                    .retrofitService
                    .updateOpStock(PackParamsUtils.getHash(new UpdataOptionStockRequest(TokenManager.getInstance().getToken(), sortStock)))
//                    .updateOpStock(TokenManager.getInstance().getToken(), sortStock)
                    .subscribeOn(Schedulers.io())
                    .observeOn(AndroidSchedulers.mainThread())
                    .subscribe(new Action1() {
                        @Override
                        public void call(NormalResponse dataBean) {
                            clearBackground();
                        }
                    }, new ThrowableAction1(getActivity(), this) {
                        @Override
                        public void dealSpecial(Throwable throwable) {
                            ToastUtils.show(getActivity(), "自选股排序失败");
                            refreshDatas();
                        }
                    }, new CompletedAction0(this) {
                        @Override
                        public void dealSpecial() {
                            refreshDatas();
                        }
                    });
        }
    }

    /**
     * 根据当前页面已排的顺序，在重新请求数据的时候重新更新顺序
     */
    private void sortAdapter() {
        if (priceSortTag != 0 && percentSortTag == 0) {
            switch (priceSortTag) {
                case 1:
                    Collections.sort(datas, descSort);
                    if (optionalStockAdapter != null) {
                        optionalStockAdapter.notifyDataSetChanged();
                    }
                    return;
                case 2:
                    Collections.sort(datas, asccSort);
                    if (optionalStockAdapter != null) {
                        optionalStockAdapter.notifyDataSetChanged();
                    }
                    return;
                default:
                    return;

            }
        }
        if (percentSortTag != 0 && priceSortTag == 0) {
            switch (percentSortTag) {
                case 1:
                    Collections.sort(datas, descPercent);
                    if (optionalStockAdapter != null) {
                        optionalStockAdapter.notifyDataSetChanged();
                    }
                    return;
                case 2:
                    Collections.sort(datas, ascPercent);
                    if (optionalStockAdapter != null) {
                        optionalStockAdapter.notifyDataSetChanged();
                    }
                    return;
                default:
                    return;

            }
        }

    }

    /**
     * 刷新数据
     */
    private void refreshDatas() {
//            @Override
//            public void run() {
//                ptrLayout.autoRefresh();
//            }
//        });
        getdata();
    }

    /**
     * 清空排序
     */
    private void clearSort() {
        datas.clear();
        for (AddOpStockResponse.DataBean bean : originDatas) {
            datas.add(bean);
        }
        if (optionalStockAdapter != null) {
            optionalStockAdapter.notifyDataSetChanged();
        }
    }

    /**
     * 复位箭头方向
     */
    private void restoreArrorw() {
        Drawable drawable = getResources().getDrawable(R.drawable.ic_arrow_bottom_right_black_18dp);
        drawable.setBounds(0, 0, drawable.getMinimumWidth(), drawable.getMinimumHeight());
        textPrice.setCompoundDrawables(null, null, drawable, null);

        Drawable drawabledown = getResources().getDrawable(R.drawable.ic_arrow_bottom_right_black_18dp);
        drawabledown.setBounds(0, 0, drawabledown.getMinimumWidth(), drawabledown.getMinimumHeight());
        textPercent.setCompoundDrawables(null, null, drawabledown, null);
    }

    /**
     * resume检查是否有token，没有清楚当前界面所有数据
     */
    private void checkToken() {
        if (TextUtils.isEmpty(TokenManager.getInstance().getToken())) {
            clearBackground();
            ptrLayout.setEnabled(false);
            if (login.getVisibility() != View.VISIBLE) {
                login.setVisibility(View.VISIBLE);
            }
            if (datas != null) {//未登录不显示自选股
                datas.clear();
                originDatas.clear();
                if (optionalStockAdapter == null) {
                    optionalStockAdapter = new OptionalStockAdapter();
                    listView.setAdapter(optionalStockAdapter);
                } else {
                    optionalStockAdapter.notifyDataSetChanged();
                }
            }
            finishLoading();
            tokenTag = TokenTag.NO_TOKEN;
        } else {
            if (tokenTag == TokenTag.NO_TOKEN) {
                refreshDatas();
                tokenTag = TokenTag.DEFAULT;
            }
            ptrLayout.setEnabled(true);
        }
    }

    /**
     * 处理没有Token情况
     */
    private void dealNoToken() {
        clearBackground();
        ptrLayout.setEnabled(false);
        if (login.getVisibility() != View.VISIBLE) {
            login.setVisibility(View.VISIBLE);
        }
        if (datas != null) {//未登录不显示自选股
            datas.clear();
            if (optionalStockAdapter == null) {
                optionalStockAdapter = new OptionalStockAdapter();
                listView.setAdapter(optionalStockAdapter);
            } else {
                optionalStockAdapter.notifyDataSetChanged();
            }

        }
        finishLoading();
    }

    private void clearBackground() {
        if (login.getVisibility() != View.GONE) {
            login.setVisibility(View.GONE);
        }
        if (addStock.getVisibility() != View.GONE) {
            addStock.setVisibility(View.GONE);
        }
    }

    static class ViewHolder {
        TextView marketName;
        TextView marketcode;
        TextView curdot;
        TextView rate;
    }
}