package com.mzeat.ui;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshListView;
import com.mzeat.MzeatApplication;
import com.mzeat.R;
import com.mzeat.api.MzeatService;
import com.mzeat.db.FoodDb;
import com.mzeat.model.Page;
import com.mzeat.model.Shopping;
import com.mzeat.task.GenericTask;
import com.mzeat.task.TaskAdapter;
import com.mzeat.task.TaskParams;
import com.mzeat.task.TaskResult;
import com.mzeat.ui.adapter.GenerateListViewWithImagesBaseAdapter;
import com.mzeat.ui.adapter.ShoppingAdapter;
import com.mzeat.ui.adapter.ShoppingNearAdapter;
import com.mzeat.ui.widget.CustomViewPager;
import com.mzeat.ui.widget.CustomViewpage;
import com.mzeat.util.CheckNetworkConnection;
import com.mzeat.util.ConnectionChangeReceiver;
import com.mzeat.util.ShowToast;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AbsListView.OnScrollListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AbsListView;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.ImageButton;
import android.widget.ListView;
public class FoodActivity extends BaseActivity {
private CustomViewPager pager;
private ArrayList<View> pageViews;
private NetworkChange networkChange;
private PullToRefreshListView mListView;
private GenerateListViewWithImagesBaseAdapter<Shopping> mAdapter;
private PullToRefreshListView nListView;
private GenerateListViewWithImagesBaseAdapter<Shopping> nAdapter;
private LoadDataTask mLoadDataTask;
private int load_result = 0;
public int load_fromnetwork_success = 1;
public int load_fromdb_success = 2;
private boolean save_local = false;
private FoodDb mFoodDb;
public final static String SER_KEY = "food";
private ImageButton btn_back;
// private ImageButton near;
private CheckBox cb_sort;
private int checkwhat = check_normal;
private static final int check_near = 1;
private static final int check_normal = 2;
private int near_page = 1;
private int normal_page = 1;
ArrayList<Shopping> data_near = new ArrayList<Shopping>();
ArrayList<Shopping> data_normal = new ArrayList<Shopping>();
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_food);
// pager = new CustomViewpage(this);
pager = (CustomViewPager) findViewById(R.id.vp_contains);
pager.setPagingEnabled(false);
Init();
pager.setAdapter(new myPagerView());
pager.setCurrentItem(0);
pager.setOnPageChangeListener(new OnPageChangeListener() {
@Override
public void onPageSelected(int arg0) {
if (arg0 == 0) {
//if (mLoadDataTask != null) {
// cb_sort.setChecked(true);
// checkwhat = check_near;
//}else {
cb_sort.setChecked(false);
// checkwhat = check_normal;
//}
if (mLoadDataTask != null) {
mLoadDataTask.setCancelable(true);
mLoadDataTask.setListener(null);
mLoadDataTask = null;
mListView.onRefreshComplete();
nListView.onRefreshComplete();
}
} else {
//if (mLoadDataTask != null) {
// cb_sort.setChecked(false);
// checkwhat = check_normal;
//}else {
cb_sort.setChecked(true);
checkwhat = check_near;
//}
if (mLoadDataTask != null) {
mLoadDataTask.setCancelable(true);
mLoadDataTask.setListener(null);
mLoadDataTask = null;
nListView.onRefreshComplete();
mListView.onRefreshComplete();
}
}
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
/**if (mLoadDataTask != null) {
mLoadDataTask.setCancelable(true);
mLoadDataTask.setListener(null);
mLoadDataTask = null;
nListView.onRefreshComplete();
mListView.onRefreshComplete();
}**/
}
@Override
public void onPageScrollStateChanged(int arg0) {
/**if (mLoadDataTask != null) {
mLoadDataTask.setCancelable(true);
mLoadDataTask.setListener(null);
mLoadDataTask = null;
nListView.onRefreshComplete();
mListView.onRefreshComplete();
}**/
}
});
//mListView = (PullToRefreshListView) findViewById(R.id.shopping_list);
mListView.setOnRefreshListener(RefreshListener);
mListView.setOnItemClickListener(mItemClickListener);
mAdapter = new ShoppingAdapter(this);
//nListView = (PullToRefreshListView) findViewById(R.id.shopping_list);
nListView.setOnRefreshListener(RefreshListener);
nListView.setOnItemClickListener(mItemClickListener);
nAdapter = new ShoppingNearAdapter(this);
btn_back = (ImageButton) findViewById(R.id.btn_back);
btn_back.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
// Log.e("TEST","FINISH");
Intent intent = new Intent(FoodActivity.this,
MainActivity.class);
startActivity(intent);
}
});
/**
* near = (ImageButton) findViewById(R.id.btn_near);
*
* near.setOnClickListener(new OnClickListener() {
*
* @Override public void onClick(View v) { // TODO Auto-generated method
* stub
*
*
* } });
**/
cb_sort = (CheckBox) findViewById(R.id.cb_near);
cb_sort.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
if (isChecked) {
pager.setCurrentItem(1);
checkwhat = check_near;
listgps = "1";
//nListView.setAdapter(nAdapter);
// nListView.setVisibility(View.VISIBLE);
// mListView.setVisibility(View.GONE);
if (data_near.size() == 0) {
if (!MzeatApplication.getInstance().lat.equals("")) {
Latitude = String.valueOf(MzeatApplication
.getInstance().lat);
Longitude = String.valueOf(MzeatApplication
.getInstance().lon);
if (CheckNetworkConnection
.checkNetworkConnection(FoodActivity.this)) {
if (null != mLoadDataTask
&& mLoadDataTask.getStatus() == GenericTask.Status.RUNNING) {
ShowToast.showToastShort(FoodActivity.this,
R.string.loadding_data);
return;
}
loaddata();
} else {
ShowToast.showToastShort(FoodActivity.this,
R.string.your_network_has_disconnected);
}
} else {
ShowToast.showToastShort(FoodActivity.this,
R.string.get_your_location);
}
} else {
// nAdapter.clear();
// nAdapter.addDatas(data_near);
nAdapter.notifyDataSetChanged();
// mListView.setAdapter(nAdapter);
// mListView.notifyAll();
}
} else {
pager.setCurrentItem(0);
checkwhat = check_normal;
listgps = "";
//mListView.setAdapter(mAdapter);
// mAdapter = new ShoppingAdapter(FoodActivity.this);
// nListView.setVisibility(View.GONE);
// mListView.setVisibility(View.VISIBLE);
if (data_normal.size() == 0) {
if (!MzeatApplication.getInstance().lat.equals("")) {
Latitude = String.valueOf(MzeatApplication
.getInstance().lat);
Longitude = String.valueOf(MzeatApplication
.getInstance().lon);
if (CheckNetworkConnection
.checkNetworkConnection(FoodActivity.this)) {
if (null != mLoadDataTask
&& mLoadDataTask.getStatus() == GenericTask.Status.RUNNING) {
ShowToast.showToastShort(FoodActivity.this,
R.string.loadding_data);
return;
}
loaddata();
} else {
ShowToast.showToastShort(FoodActivity.this,
R.string.your_network_has_disconnected);
}
} else {
ShowToast.showToastShort(FoodActivity.this,
R.string.get_your_location);
}
} else {
// mAdapter.clear();
// mAdapter.addDatas(data_normal);
mAdapter.notifyDataSetChanged();
// mListView.setAdapter(mAdapter);
// mListView.notifyAll();
}
}
}
});
}
/***
* init title and pageview
*/
void Init() {
pageViews = new ArrayList<View>();
mListView = (PullToRefreshListView) LayoutInflater.from(this).inflate(
R.layout.listview_food, null);
nListView = (PullToRefreshListView) LayoutInflater.from(this).inflate(
R.layout.listview_food, null);
pageViews.add(mListView);
pageViews.add(nListView);
}
/***
* viewpager 的数据源
*
* @author zhangjia
*
*/
class myPagerView extends PagerAdapter {
// 显示数目
@Override
public int getCount() {
return pageViews.size();
}
@Override
public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;
}
@Override
public int getItemPosition(Object object) {
// TODO Auto-generated method stub
return super.getItemPosition(object);
}
@Override
public void destroyItem(View arg0, int arg1, Object arg2) {
// TODO Auto-generated method stub
((ViewPager) arg0).removeView(pageViews.get(arg1));
}
/***
* 获取每一个item， 类于listview中的getview
*/
@Override
public Object instantiateItem(View arg0, int arg1) {
((ViewPager) arg0).addView(pageViews.get(arg1));
return pageViews.get(arg1);
}
}
ArrayList<Shopping> shoppings = new ArrayList<Shopping>();
private TaskAdapter mTaskListener = new TaskAdapter() {
ProgressDialog pg;
@Override
public String getName() {
// TODO Auto-generated method stub
return null;
}
public void onPreExecute(GenericTask task) {
// TODO 任务开始执行，可提供进度条展现
switch (checkwhat) {
case check_near:
nListView.setRefreshing(true);
nListView.setDisableScrollingWhileRefreshing(true);
break;
case check_normal:
mListView.setRefreshing(true);
mListView.setDisableScrollingWhileRefreshing(true);
break;
default:
break;
}
}
public void onPostExecute(GenericTask task, TaskResult result) {
switch (checkwhat) {
case check_near:
nListView.onRefreshComplete();
break;
case check_normal:
mListView.onRefreshComplete();
break;
default:
break;
}
// Page mPage = new Page();
// TODO 判断TaskReult的返回值是否ok
if (result == TaskResult.OK) {
if (page == 1) {
switch (checkwhat) {
case check_near:
data_near = mLoadDataTask.getShoppings();
nAdapter.setDataList(data_near);
nAdapter.notifyDataSetChanged();
nListView.setAdapter(nAdapter);
near_page = near_page + 1;
break;
case check_normal:
data_normal = mLoadDataTask.getShoppings();
mAdapter.setDataList(data_normal);
mAdapter.notifyDataSetChanged();
normal_page = normal_page + 1;
mListView.setAdapter(mAdapter);
load_result = load_fromnetwork_success;
if (!save_local) {
mFoodDb = new FoodDb(FoodActivity.this);
mFoodDb.add(data_normal);
mFoodDb.closeDB();
}
break;
default:
break;
}
// shoppings = mLoadDataTask.getShoppings();
// mAdapter.setDataList(shoppings);
// mListView.setAdapter(mAdapter);
// page = page + 1;
mLoadDataTask = null;
} else {
// page = page + 1;
switch (checkwhat) {
case check_near:
data_near.addAll(mLoadDataTask.getShoppings());
nAdapter.notifyDataSetChanged();
near_page = near_page + 1;
// mListView.setAdapter(nAdapter);
break;
case check_normal:
data_normal.addAll(mLoadDataTask.getShoppings());
mAdapter.notifyDataSetChanged();
// mListView.setAdapter(mAdapter);
normal_page = normal_page + 1;
break;
default:
break;
}
mLoadDataTask = null;
}
// ShowToast.showGetSuccess(FoodActivity.this);
} else if (result == TaskResult.FAILED) {
mLoadDataTask = null;
ShowToast.showGetFaile(FoodActivity.this);
} else if (result == TaskResult.IO_ERROR) {
mLoadDataTask = null;
ShowToast.showError(FoodActivity.this);
} else if (result == TaskResult.NO_MORE_DATA) {
mLoadDataTask = null;
ShowToast.showNomoredata(FoodActivity.this);
}
}
public void onProgressUpdate(GenericTask task, Object param) {
// TODO 如果是下载，可在此显示下载进度
}
public void onCancelled(GenericTask task) {
// TODO 后台任务被取消的事件回调，适当情况下可以提示用户，如“下载已取消”
switch (checkwhat) {
case check_near:
nListView.onRefreshComplete();
break;
case check_normal:
mListView.onRefreshComplete();
break;
default:
break;
}
}
};
private String act = "merchantlist";
private int page = 1;
private String r_type = "1";
private String cate_id = "8";
private Map<String, Object> result = new HashMap<String, Object>();
private ArrayList<Shopping> mShoppings = new ArrayList<Shopping>();
private Page mPage = null;
private String Latitude = "";
private String Longitude = "";
private String keyword = "";
private String listgps = "";
private class LoadDataTask extends GenericTask {
@Override
protected TaskResult _doInBackground(TaskParams... params) {
MzeatService mService = new MzeatService();
// TODO Auto-generated method stub
switch (checkwhat) {
case check_near:
page = near_page;
listgps = "1";
break;
case check_normal:
page = normal_page;
listgps = "";
break;
default:
break;
}
// Log.e("page", String.valueOf(page));
if (mPage == null) {
result = MzeatApplication
.getInstance()
.getService()
.getShoppingList(act, r_type, String.valueOf(page),
cate_id, Longitude, Latitude, listgps, keyword);
int code = (Integer) result.get("code");
if (code == MzeatService.RESULT_OK) {
mShoppings = (ArrayList<Shopping>) result.get("item");
mPage = (Page) result.get("page");
return TaskResult.OK;
} else if (code == MzeatService.RESULT_FAILE) {
return TaskResult.FAILED;
} else {
return TaskResult.IO_ERROR;
}
} else {
if (page <= Integer.valueOf(mPage.getPage_total())) {
result = MzeatApplication
.getInstance()
.getService()
.getShoppingList(act, r_type, String.valueOf(page),
cate_id, Longitude, Latitude, listgps,
keyword);
int code = (Integer) result.get("code");
if (code == MzeatService.RESULT_OK) {
mShoppings = (ArrayList<Shopping>) result.get("item");
mPage = (Page) result.get("page");
return TaskResult.OK;
} else if (code == MzeatService.RESULT_FAILE) {
return TaskResult.FAILED;
} else {
return TaskResult.IO_ERROR;
}
} else {
return TaskResult.NO_MORE_DATA;
}
}
}
@Override
protected void onCancelled() {
// TODO Auto-generated method stub
super.onCancelled();
}
private ArrayList<Shopping> getShoppings() {
return mShoppings;
}
}
private void loaddata() {
/**
* 重要！！需要判断当前任务是否正在运行，否则重复执行会出错，典型的场景就是用户点击登录按钮多次
*/
if (null != mLoadDataTask
&& mLoadDataTask.getStatus() == GenericTask.Status.RUNNING)
return;
mLoadDataTask = new LoadDataTask();
mLoadDataTask.setListener(mTaskListener);
try {
mLoadDataTask.execute();
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
private PullToRefreshBase.OnRefreshListener<ListView> RefreshListener = new PullToRefreshBase.OnRefreshListener<ListView>() {
@Override
public void onRefresh(PullToRefreshBase<ListView> refreshView) {
switch (checkwhat) {
case check_near:
if (CheckNetworkConnection
.checkNetworkConnection(FoodActivity.this)) {
if (!MzeatApplication.getInstance().lat.equals("")) {
Latitude = String.valueOf(MzeatApplication
.getInstance().lat);
Longitude = String.valueOf(MzeatApplication
.getInstance().lon);
loaddata();
} else {
ShowToast.showToastShort(FoodActivity.this,
R.string.get_your_location);
nListView.onRefreshComplete();
}
} else {
ShowToast.showToastShort(FoodActivity.this,
R.string.your_network_has_disconnected);
nListView.onRefreshComplete();
}
break;
case check_normal:
if (CheckNetworkConnection
.checkNetworkConnection(FoodActivity.this)) {
if (!MzeatApplication.getInstance().lat.equals("")) {
Latitude = String.valueOf(MzeatApplication
.getInstance().lat);
Longitude = String.valueOf(MzeatApplication
.getInstance().lon);
loaddata();
} else {
ShowToast.showToastShort(FoodActivity.this,
R.string.get_your_location);
mListView.onRefreshComplete();
}
} else {
ShowToast.showToastShort(FoodActivity.this,
R.string.your_network_has_disconnected);
mListView.onRefreshComplete();
}
break;
default:
break;
}
}
};
public class NetworkChange extends ConnectionChangeReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
super.onReceive(context, intent);
if (super.success == true) {
if (load_result != load_fromnetwork_success) {
getOldFood();
if (!MzeatApplication.getInstance().lat.equals("")) {
Log.e("networkchange lat",
MzeatApplication.getInstance().lat);
Latitude = MzeatApplication.getInstance().lat;
Longitude = MzeatApplication.getInstance().lon;
checkwhat = check_normal;
loaddata();
} else {
ShowToast.showToastShort(FoodActivity.this,
R.string.get_your_location);
}
super.success = false;
// Log.e("loaddata()", "loaddata()");
}
} else {
if (load_result == 0) {
getOldFood();
// Log.e("getOldFood()", "getOldFood()");
}
}
}
}
private void getOldFood() {
// mShoppings = new ArrayList<Shopping>();
mFoodDb = new FoodDb(this);
data_normal = mFoodDb.getShoppings();
mFoodDb.closeDB();
if (data_normal.size() != 0) {
mAdapter.setDataList(data_normal);
mListView.setAdapter(mAdapter);
load_result = load_fromdb_success;
}
}
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
// Log.e("onDestroy()", "onDestroy()");
if (null != mLoadDataTask
&& mLoadDataTask.getStatus() == LoadDataTask.Status.RUNNING) {
mLoadDataTask.cancel(true);
}
Log.e("food onDestroy", "food onDestroy");
super.onDestroy();
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
networkChange = new NetworkChange();
IntentFilter filter = new IntentFilter();
filter.addAction("android.net.conn.CONNECTIVITY_CHANGE");
registerReceiver(networkChange, filter);
Log.e("food onResume", "food onResume");
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
Log.e("food onPause()", "food onPause()");
try {
unregisterReceiver(networkChange);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
@Override
protected void onSaveInstanceState(Bundle outState) {
// TODO Auto-generated method stub
super.onSaveInstanceState(outState);
Log.e("food onSaveInstanceState", "food onSaveInstanceState");
}
public boolean onKeyDown(int keyCode, KeyEvent event) {// 捕捉返回键
if (keyCode == KeyEvent.KEYCODE_BACK) {
if (null != mLoadDataTask) {
mLoadDataTask.cancel(true);
mLoadDataTask = null;
Log.e("cancel", "cancel");
switch (checkwhat) {
case check_near:
nListView.onRefreshComplete();
break;
case check_normal:
mListView.onRefreshComplete();
break;
default:
break;
}
return true;
}
}
if (keyCode == KeyEvent.KEYCODE_BACK) {
Intent intent = new Intent(FoodActivity.this, MainActivity.class);
startActivity(intent);
return true;
}
return super.onKeyDown(keyCode, event);
}
private static final int fromfood = 1;
ListView.OnItemClickListener mItemClickListener = new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
// TODO Auto-generated method stub
switch (checkwhat) {
case check_near:
if (data_near != null && data_near.size() > 0) {
Intent intent = new Intent(FoodActivity.this,
ShoppingDetailActivity.class);
Shopping mShopping = data_near.get(position - 1);
Bundle mBundle = new Bundle();
mBundle.putSerializable(SER_KEY, mShopping);
intent.putExtras(mBundle);
intent.putExtra("fromfood", fromfood);
startActivity(intent);
}
break;
case check_normal:
if (data_normal != null && data_normal.size() > 0) {
Intent intent = new Intent(FoodActivity.this,
ShoppingDetailActivity.class);
Shopping mShopping = data_normal.get(position - 1);
Bundle mBundle = new Bundle();
mBundle.putSerializable(SER_KEY, mShopping);
intent.putExtras(mBundle);
intent.putExtra("fromfood", fromfood);
startActivity(intent);
}
break;
default:
break;
}
}
};
}