package com.dong.dongweather;
import android.app.ProgressDialog;
import android.appwidget.AppWidgetManager;
import android.content.Intent;
import android.content.SharedPreferences;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.dong.dongweather.db.City;
import com.dong.dongweather.db.County;
import com.dong.dongweather.db.CountyChanged;
import com.dong.dongweather.db.Province;
import com.dong.dongweather.db.SelectedCounty;
import com.dong.dongweather.http.OkHttp;
import com.dong.dongweather.json.AreaJson;
import org.litepal.LitePal;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;
public class AddCountyActivity extends AppCompatActivity implements View.OnClickListener{
private static final String TAG = "ChooseAreaFragment";
private final String baseAdress = "http://guolin.tech/api/china";
//提供给其它活动的属性
public static final String WEATHERID = "weather_id";
/**
* 城市等级
*/
public static final int LEVEL_PROVINCE = 1;
public static final int LEVEL_CITY = 2;
public static final int LEVEL_COUNTY = 3;
private int currentLevel = 0;
/**
* 当前选中的省、市、县
*/
private Province currentProvince;
private City currentCity;
private County currentCounty;
private Button backButton;
private Button delDatabaseButton;
private TextView titleText;
private ListView listView;
private ArrayAdapter<String> adapter;
private List dataList = new ArrayList<>();
/**
* 省市县数据list列表
*/
private List<Province> provinceList = null;
private List<City> cityList = null;
private List<County> countyList = null;
//已添加的城市
private List<SelectedCounty> selectedCountyList;
private ProgressDialog progressDialog;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_add_county);
titleText = (TextView) findViewById(R.id.choose_city);
backButton = (Button) findViewById(R.id.back_btn);
backButton.setVisibility(View.GONE);
delDatabaseButton = (Button) findViewById(R.id.clear_database_btn);
listView = (ListView) findViewById(R.id.area_listview);
adapter = new ArrayAdapter<>(AddCountyActivity.this, android.R.layout.simple_list_item_1, dataList);
listView.setAdapter(adapter);
//设置测试按钮delDatabaseButton不可用
delDatabaseButton.setVisibility(View.GONE);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
if (currentLevel == LEVEL_PROVINCE){
currentProvince = provinceList.get(position);
backButton.setVisibility( View.VISIBLE);
queryCity();
}else if (currentLevel == LEVEL_CITY){
currentCity = cityList.get(position);
queryCounty();
}else if (currentLevel == LEVEL_COUNTY) {
currentCounty = countyList.get(position);
//判断该城市是否已经添加过
if ((selectedCountyList = LitePal.where("weatherId == ?",currentCounty.getWeatherId()).find(SelectedCounty.class)).size() == 0){
//把添加的城市加入到数据库selectedCounty
SelectedCounty selectedCounty = new SelectedCounty();
selectedCounty.setWeatherId(currentCounty.getWeatherId());
selectedCounty.setCountyName(currentCounty.getCountyName());
selectedCounty.save();
//提示添加城市成功
String prompt = "添加" + currentCounty.getCountyName() + "成功";
Toast.makeText(AddCountyActivity.this, prompt, Toast.LENGTH_SHORT).show();
//保存窗口更新数据到数据库
CountyChanged countyChanged = new CountyChanged();
countyChanged.setAddWeatherID(currentCounty.getWeatherId());
countyChanged.setDelCountyPosition(null);
countyChanged.setSwapCounty(null);
countyChanged.save();
//添加城市成功，返回天气显示界面，显示当前选择的天气
//判断是以哪种方式进入本活动的，以返回相应的结果
if (WeatherActivity.INMODE == WeatherActivity.INMODE_DIRECT) {
//直接进入的
Intent sintent = new Intent();
sintent.putExtra(WEATHERID, currentCounty.getWeatherId());
setResult(RESULT_OK, sintent);
} else {
//从城市管理间接进入的
//WeatherActivity.INMODE = WeatherActivity.INMODE_INDIRECT;
SharedPreferences.Editor editor = getSharedPreferences("data",MODE_PRIVATE).edit();
editor.putString("weatherID",currentCounty.getWeatherId());
editor.apply();
}
//发送广播通知listviewservice服务更新窗口
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE);
sendBroadcast(intent);
finish();
//因为隔了一个Activity，所以不能使用Intent返回数据
// Intent intent = new Intent(AddCountyActivity.this, WeatherActivity.class);
// intent.putExtra(WEATHERID, currentCounty.getWeatherId());
// startActivity(intent);
//改用sharedpreference
} else {
Toast.makeText(AddCountyActivity.this, "该城市已添加",Toast.LENGTH_SHORT).show();
}
}
}
});
backButton.setOnClickListener(this);
delDatabaseButton.setOnClickListener(this);
queryProvinces();
}
/**
* 显示中国所有省份的数据在listView中
*/
public void queryProvinces() {
titleText.setText("中国");
//backButton.setVisibility(View.GONE);
provinceList = LitePal.findAll(Province.class);
if (provinceList.size() > 10) {
dataList.clear();
//如果数据库中已有省份数据，则直接读取数据库数据显示到listView上
for (Province province : provinceList){
dataList.add(province.getProvinceName());
}
adapter.notifyDataSetChanged();
listView.setSelection(0);
currentLevel = LEVEL_PROVINCE;
}else {
String adress = baseAdress;
showProgressDialog();
queryForService(adress, LEVEL_PROVINCE);
}
}
/**
* 显示当前选择的省的所有城市
*/
public void queryCity(){
titleText.setText(currentProvince.getProvinceName());
cityList = LitePal.where("provinceId = ?", String.valueOf(currentProvince.getProvinceCode())).find(City.class);
if (cityList.size() > 0) {
dataList.clear();
for(City city : cityList){
dataList.add(city.getCityName());
}
adapter.notifyDataSetChanged();
listView.setSelection(0);
currentLevel = LEVEL_CITY;
}else {
int provinceCode = currentProvince.getProvinceCode();
String adress = baseAdress + "/" + provinceCode;
showProgressDialog();
queryForService(adress, LEVEL_CITY);
}
}
/**
* 显示当前选择的市的所有县城
*/
public void queryCounty() {
titleText.setText(currentCity.getCityName());
countyList = LitePal.where("cityId = ?",String.valueOf(currentCity.getCityCode()) ).find(County.class);
if (countyList.size() > 0) {
dataList.clear();
for (County county : countyList){
dataList.add(county.getCountyName());
}
adapter.notifyDataSetChanged();
listView.setSelection(0);
currentLevel = LEVEL_COUNTY;
}else {
int provinceCode = currentProvince.getProvinceCode();
int cityCode = currentCity.getCityCode();
String adress = baseAdress + "/" + provinceCode + "/" + cityCode;
showProgressDialog();
queryForService(adress, LEVEL_COUNTY);
}
}
/**
* 从服务器上获取省、市、县数据
*/
public void queryForService(String adress, final int typeLevel) {
OkHttp.sendRequestOkHttpForGet(adress, new Callback() {
@Override
public void onFailure(Call call, IOException e) {
runOnUiThread(new Runnable() {
@Override
public void run() {
closeProgressDialog();
Toast.makeText(AddCountyActivity.this, "加载数据失败",Toast.LENGTH_SHORT).show();
}
});
}
@Override
public void onResponse(Call call, Response response) throws IOException {
String responseText = response.body().string();
if (null != responseText) {
boolean result = false;
if (typeLevel == LEVEL_PROVINCE){
result = AreaJson.getProvinceResponse(responseText);
}else if (typeLevel == LEVEL_CITY){
result = AreaJson.getCityJson(responseText, currentProvince.getProvinceCode());
}else if (typeLevel == LEVEL_COUNTY){
result = AreaJson.getCountyJson(responseText, currentCity.getCityCode());
}
if (result) {
runOnUiThread(new Runnable() {
@Override
public void run() {
closeProgressDialog();
if (typeLevel == LEVEL_PROVINCE){
queryProvinces();
}else if (typeLevel == LEVEL_CITY){
queryCity();
}else if (typeLevel == LEVEL_COUNTY){
queryCounty();
}
}
});
}
}else {
LogUtil.d(TAG, "queryForService: error");
LogUtil.d(TAG, "response : error");
}
}
});
}
/**
* Called when a view has been clicked.
*
* @param v The view that was clicked.
*/
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.clear_database_btn:
LitePal.deleteAll(Province.class);
LitePal.deleteAll(City.class);
LitePal.deleteAll(County.class);
LitePal.deleteAll(SelectedCounty.class);
break;
case R.id.back_btn:
if (currentLevel == LEVEL_COUNTY) {
queryCity();
} else if (currentLevel == LEVEL_CITY) {
backButton.setVisibility(View.GONE);
queryProvinces();
}
break;
default:
break;
}
}
//按返回键时
@Override
public void onBackPressed() {
if (WeatherActivity.INMODE == WeatherActivity.INMODE_DIRECT) {
Toast.makeText(this, "请添加城市", Toast.LENGTH_SHORT).show();
} else if (WeatherActivity.INMODE == WeatherActivity.INMODE_INDIRECT) {
SharedPreferences.Editor editor = getSharedPreferences("data",MODE_PRIVATE).edit();
editor.putString("weatherID", null);
editor.apply();
finish();
}
}
/**
* 显示进度对话框
*/
private void showProgressDialog() {
if (progressDialog == null) {
progressDialog = new ProgressDialog(this);
progressDialog.setMessage("正在加载...");
progressDialog.setCanceledOnTouchOutside(false);
}
progressDialog.show();
}
/**
* 关闭进度对话框
*/
private void closeProgressDialog() {
if (progressDialog != null) {
progressDialog.dismiss();
}
}
}
