/*
* Copyright © Yan Zhenjie. All Rights Reserved
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.yanzhenjie.addresscheck.address;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.TabLayout;
import android.support.v4.view.ViewPager;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import com.yanzhenjie.addresscheck.R;
import java.util.ArrayList;
import java.util.List;
/**
* <p>选择地址的页面。</p>
* Created by YanZhenjie on 2017/6/1.
*/
public class AddressCheckActivity extends AppCompatActivity {
private static final String KEY_OUTPUT_PROVINCE_CITY_DISTRICT = "KEY_OUTPUT_PROVINCE_CITY_DISTRICT";
public static ArrayList<City> parse(Intent data) {
return data.getParcelableArrayListExtra(KEY_OUTPUT_PROVINCE_CITY_DISTRICT);
}
TabLayout mTabLayout;
ViewPager mViewPager;
AddressListAdapter mOneListAdapter;
List<City> mOneList;
int mCurrentOneSelect = -1;
AddressListAdapter mTwoListAdapter;
List<City> mTwoList;
int mCurrentTwoSelect = -1;
AddressListAdapter mThreeListAdapter;
List<City> mThreeList;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_address_select);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
assert actionBar != null;
actionBar.setDisplayHomeAsUpEnabled(true);
mTabLayout = (TabLayout) findViewById(R.id.tab);
mViewPager = (ViewPager) findViewById(R.id.view_pager);
mTabLayout.addOnTabSelectedListener(tabSelectedListener);
RecyclerView oneView = new RecyclerView(this);
RecyclerView twoView = new RecyclerView(this);
RecyclerView threeView = new RecyclerView(this);
List<RecyclerView> recyclerViewList = new ArrayList<>();
recyclerViewList.add(oneView);
recyclerViewList.add(twoView);
recyclerViewList.add(threeView);
PagerViewAdapter<RecyclerView> pagerViewAdapter = new PagerViewAdapter<>(recyclerViewList);
mViewPager.setAdapter(pagerViewAdapter);
mTabLayout.setupWithViewPager(mViewPager);
mTabLayout.getTabAt(0).setText(R.string.select_please);
oneView.setLayoutParams(new ViewGroup.LayoutParams(-1, -1));
oneView.setLayoutManager(new LinearLayoutManager(this));
mOneListAdapter = new AddressListAdapter(getLayoutInflater(), mProvinceItemClickListener);
oneView.setAdapter(mOneListAdapter);
twoView.setLayoutParams(new ViewGroup.LayoutParams(-1, -1));
twoView.setLayoutManager(new LinearLayoutManager(this));
mTwoListAdapter = new AddressListAdapter(getLayoutInflater(), mCityItemClickListener);
twoView.setAdapter(mTwoListAdapter);
threeView.setLayoutParams(new ViewGroup.LayoutParams(-1, -1));
threeView.setLayoutManager(new LinearLayoutManager(this));
mThreeListAdapter = new AddressListAdapter(getLayoutInflater(), mDistrictItemClickListener);
threeView.setAdapter(mThreeListAdapter);
RequestCityListTask requestCityTask = new RequestCityListTask(this, callback);
requestCityTask.execute();
}
private TabLayout.OnTabSelectedListener tabSelectedListener = new TabLayout.OnTabSelectedListener() {
private int mCurrentPosition;
@Override
public void onTabSelected(TabLayout.Tab tab) {
int newPosition = tab.getPosition();
switch (newPosition) {
case 1: {
if (mTwoList == null) {
mTabLayout.getTabAt(mCurrentPosition).select();
return;
}
break;
}
case 2: {
if (mThreeList == null) {
mTabLayout.getTabAt(mCurrentPosition).select();
return;
}
break;
}
}
this.mCurrentPosition = tab.getPosition();
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
};
/**
* 请求服务器数据回来。(我这里是从asset中的json中读取的，模拟从服务器请求。)
*/
private RequestCityListTask.Callback callback = new RequestCityListTask.Callback() {
@Override
public void callback(List<City> cities) {
mOneList = cities;
mOneListAdapter.notifyDataSetChanged(mOneList);
}
};
/**
* 省的item被点击。
*/
private OnCompatItemClickListener mProvinceItemClickListener = new OnCompatItemClickListener() {
@Override
public void onItemClick(View view, int position) {
if (mCurrentOneSelect == position) {
mViewPager.setCurrentItem(1, true);
return;
}
if (mCurrentOneSelect != -1) {
mOneList.get(mCurrentOneSelect).setSelect(false);
mOneListAdapter.notifyItemChanged(mCurrentOneSelect);
}
mCurrentOneSelect = position;
mOneList.get(mCurrentOneSelect).setSelect(true);
mOneListAdapter.notifyItemChanged(mCurrentOneSelect);
City one = mOneList.get(mCurrentOneSelect);
mTwoList = one.getCityList();
if (mTwoList == null || mTwoList.size() == 0) { // 选定一级。
setResultFinish(one, null, null);
} else {
// 更新二级的content和title。
mTwoListAdapter.notifyDataSetChanged(mTwoList);
mTabLayout.getTabAt(1).setText(one.getName());
mViewPager.setCurrentItem(1, true);
// 三级置空。
mTabLayout.getTabAt(2).setText(null);
mThreeList = null;
mCurrentTwoSelect = -1;
}
}
};
/**
* 市的item被点击。
*/
private OnCompatItemClickListener mCityItemClickListener = new OnCompatItemClickListener() {
@Override
public void onItemClick(View view, int position) {
if (mCurrentTwoSelect == position) {
mViewPager.setCurrentItem(2, true);
return;
}
if (mCurrentTwoSelect != -1) {
mTwoList.get(mCurrentTwoSelect).setSelect(false);
mTwoListAdapter.notifyItemChanged(mCurrentTwoSelect);
}
mCurrentTwoSelect = position;
mTwoList.get(mCurrentTwoSelect).setSelect(true);
mTwoListAdapter.notifyItemChanged(mCurrentTwoSelect);
City two = mTwoList.get(mCurrentTwoSelect);
mThreeList = two.getCityList();
if (mThreeList == null || mThreeList.size() == 0) { // 选定二级。
setResultFinish(mOneList.get(mCurrentOneSelect), two, null);
} else {
mThreeListAdapter.notifyDataSetChanged(mThreeList);
mTabLayout.getTabAt(2).setText(two.getName());
mViewPager.setCurrentItem(2, true);
}
}
};
/**
* 区的item被点击。
*/
private OnCompatItemClickListener mDistrictItemClickListener = new OnCompatItemClickListener() {
@Override
public void onItemClick(View view, int position) {
setResultFinish(mOneList.get(mCurrentOneSelect), mTwoList.get(mCurrentTwoSelect), mThreeList.get(position));
}
};
/**
* 选中。
*/
private void setResultFinish(City province, City city, City district) {
ArrayList<City> cityArrayList = new ArrayList<>();
cityArrayList.add(province);
if (city != null)
cityArrayList.add(city);
if (district != null)
cityArrayList.add(district);
Intent intent = new Intent();
intent.putParcelableArrayListExtra(KEY_OUTPUT_PROVINCE_CITY_DISTRICT, cityArrayList);
setResult(RESULT_OK, intent);
finish();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
switch (id) {
case android.R.id.home: {
finish();
break;
}
}
return true;
}
}
