package com.itheima.zhbj52.base.menudetail;

import java.util.ArrayList;

import android.app.Activity;

import android.text.TextUtils;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.GridView;

import android.widget.ImageButton;

import android.widget.ImageView;

import android.widget.ListView;

import android.widget.TextView;

import android.widget.Toast;

import com.google.gson.Gson;

import com.itheima.zhbj52.R;

import com.itheima.zhbj52.base.BaseMenuDetailPager;

import com.itheima.zhbj52.domain.PhotosData;

import com.itheima.zhbj52.domain.PhotosData.PhotoInfo;

import com.itheima.zhbj52.domain.PhotosData.PhotosInfo;

import com.itheima.zhbj52.global.GlobalContants;

import com.itheima.zhbj52.utils.CacheUtils;

import com.lidroid.xutils.BitmapUtils;

import com.lidroid.xutils.HttpUtils;

import com.lidroid.xutils.exception.HttpException;

import com.lidroid.xutils.http.ResponseInfo;

import com.lidroid.xutils.http.callback.RequestCallBack;

import com.lidroid.xutils.http.client.HttpRequest.HttpMethod;

/**

 * 新闻中心-组图

 */

public class PhotoMenuDetailPager extends BaseMenuDetailPager {

    /*public abstract class BaseMenuDetailPager {

        public Activity mActivity;

        public View mRootView;// 根布局对象

        public BaseMenuDetailPager(Activity activity) {

            mActivity = activity;

            mRootView = initViews();

        }

        public abstract View initViews();

        public void initData() {

        }

    }*/

    private ListView lvPhoto;

    private GridView gvPhoto;

    private ArrayList<PhotoInfo> mPhotoList;

    private PhotoAdapter mAdapter;

    private ImageButton btnPhoto;

    public PhotoMenuDetailPager(Activity activity, ImageButton btnPhoto) {//btnPhoto对象通过构造函数传过来。

        super(activity);

        this.btnPhoto = btnPhoto;

        btnPhoto.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View v) {

                changeDisplay();

            }

        });

    }

    @Override

    public View initViews() {

        View view = View.inflate(mActivity, R.layout.menu_photo_pager, null);

        //menu_photo_pager.xml

        /*<?xml version="1.0" encoding="utf-8"?>

        <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"

            android:layout_width="match_parent"

            android:layout_height="match_parent" >

            <ListView

                android:id="@+id/lv_photo"

                android:layout_width="match_parent"

                android:layout_height="match_parent"

                android:cacheColorHint="#fff"           背景色为白色

                android:divider="@null" />              没有分割线

            <GridView

                android:id="@+id/gv_photo"

                android:layout_width="match_parent"

                android:layout_height="match_parent"

                android:numColumns="2"                     设置为2列

                android:visibility="gone" />               默认隐藏。点击可以切换用ListView或者GridView。

        </FrameLayout>*/

        lvPhoto = (ListView) view.findViewById(R.id.lv_photo);

        gvPhoto = (GridView) view.findViewById(R.id.gv_photo);

        return view;

    }

    @Override

    public void initData() {

        String cache = CacheUtils

                .getCache(GlobalContants.PHOTOS_URL, mActivity);

        //PHOTOS_URL = "http://10.0.2.2:8080/zhbj/photos/photos_1.json";

        if (!TextUtils.isEmpty(cache)) {

        }

        getDataFromServer();

    }

    private void getDataFromServer() {

        HttpUtils utils = new HttpUtils();

        utils.send(HttpMethod.GET, GlobalContants.PHOTOS_URL,

                new RequestCallBack<String>() {

                    @Override

                    public void onSuccess(ResponseInfo<String> responseInfo) {

                        String result = (String) responseInfo.result;

                        parseData(result);

                        // 设置缓存

                        CacheUtils.setCache(GlobalContants.PHOTOS_URL, result,

                                mActivity);

                    }

                    @Override

                    public void onFailure(HttpException error, String msg) {

                        Toast.makeText(mActivity, msg, Toast.LENGTH_SHORT)

                                .show();

                        error.printStackTrace();

                    }

                });

    }

    protected void parseData(String result) {

        Gson gson = new Gson();

        PhotosData data = gson.fromJson(result, PhotosData.class);

        /*public class PhotosData {

            public int retcode;

            public PhotosInfo data;

            public class PhotosInfo {

                public String title;

                public ArrayList<PhotoInfo> news;

            }

            public class PhotoInfo {

                public String id;

                public String listimage;

                public String pubdate;

                public String title;

                public String type;

                public String url;

            }

        }*/

        mPhotoList = data.data.news;// 获取组图列表集合

        if (mPhotoList != null) {

            mAdapter = new PhotoAdapter();

            lvPhoto.setAdapter(mAdapter);//使用同一个mAdapter

            gvPhoto.setAdapter(mAdapter);

        }

    }

    class PhotoAdapter extends BaseAdapter {

        private BitmapUtils utils;

        public PhotoAdapter() {

            utils = new BitmapUtils(mActivity);

            utils.configDefaultLoadingImage(R.drawable.news_pic_default);//默认加载图片

        }

        @Override

        public int getCount() {

            return mPhotoList.size();

        }

        @Override

        public PhotoInfo getItem(int position) {

            return mPhotoList.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) {

                convertView = View.inflate(mActivity, R.layout.list_photo_item,null);

                /*<?xml version="1.0" encoding="utf-8"?>

                <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

                    android:layout_width="match_parent"

                    android:layout_height="wrap_content"

                    android:orientation="vertical" >

                    <LinearLayout

                        android:layout_width="match_parent"

                        android:layout_height="wrap_content"

                        android:layout_margin="10dp"

                        android:background="@drawable/pic_list_item_bg"

                        android:gravity="center"

                        android:orientation="vertical" >

                        <ImageView

                            android:id="@+id/iv_pic"

                            android:layout_width="match_parent"

                            android:layout_height="180dp"

                            android:scaleType="centerCrop"

                            android:src="@drawable/news_pic_default" />

                        <TextView

                            android:id="@+id/tv_title"

                            android:layout_width="match_parent"

                            android:layout_height="wrap_content"

                            android:padding="10dp"

                            android:text="标题"

                            android:singleLine="true"

                            android:textColor="#000"

                            android:textSize="22sp" />

                    </LinearLayout>

                </LinearLayout>*/

                holder = new ViewHolder();

                holder.tvTitle = (TextView) convertView.findViewById(R.id.tv_title);

                holder.ivPic = (ImageView) convertView.findViewById(R.id.iv_pic);

                convertView.setTag(holder);

            } else {

                holder = (ViewHolder) convertView.getTag();

            }

            PhotoInfo item = getItem(position);

            holder.tvTitle.setText(item.title);

            utils.display(holder.ivPic, item.listimage);//加载图片，默认BitmapUtils对图片提供了缓存。

            return convertView;

        }

    }

    static class ViewHolder {

        public TextView tvTitle;

        public ImageView ivPic;

    }

    private boolean isListDisplay = true;// 是否是列表展示

    /**

     * 切换展现方式

     */

    private void changeDisplay() {

        if (isListDisplay) {

            isListDisplay = false;

            lvPhoto.setVisibility(View.GONE);

            gvPhoto.setVisibility(View.VISIBLE);

            btnPhoto.setImageResource(R.drawable.icon_pic_list_type);

        } else {

            isListDisplay = true;

            lvPhoto.setVisibility(View.VISIBLE);

            gvPhoto.setVisibility(View.GONE);

            btnPhoto.setImageResource(R.drawable.icon_pic_grid_type);

        }

    }

}