package com.mzeat.ui;
import java.util.ArrayList;
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.PrivilegeItemDb;
import com.mzeat.model.Page;
import com.mzeat.model.Privilege;
import com.mzeat.model.PrivilegeItem;
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.PrivilegeAdapter;
import com.mzeat.util.CheckNetworkConnection;
import com.mzeat.util.ConnectionChangeReceiver;
import com.mzeat.util.ShowToast;
import com.mzeat.util.StringUtils;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
public class PrivilegeActivity extends BaseActivity {
private NetworkChange networkChange;
private PrivilegeAdapter mAdapter;
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 PrivilegeItemDb mDb;
public final static String SER_KEY = "privilege";
private TextView tv_title;
private PullToRefreshListView mListView;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_privilege);
keyword = getIntent().getStringExtra("searchcontent");
initView();
setViewData();
}
private void initView() {
tv_title = (TextView) findViewById(R.id.tv_title);
findViewById(R.id.btn_back).setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
finish();
}
});
mListView = (PullToRefreshListView) findViewById(R.id.privilege_list);
mListView.setOnRefreshListener(RefreshListener);
mListView.setOnItemClickListener(mItemClickListener);
mAdapter = new PrivilegeAdapter(this);
}
private void setViewData() {
tv_title.setText(R.string.privilege);
}
ArrayList<PrivilegeItem> mPrivilegeItem = new ArrayList<PrivilegeItem>();
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
mListView.setRefreshing(true);
mListView.setDisableScrollingWhileRefreshing(true);
}
public void onPostExecute(GenericTask task, TaskResult result) {
mListView.onRefreshComplete();
// Page mPage = new Page();
// TODO 判断TaskReult的返回值是否ok
if (result == TaskResult.OK) {
if (page == 1) {
mPrivilegeItem = mLoadDataTask.getPrivilegeItem();
mAdapter.setDataList(mPrivilegeItem);
mAdapter.notifyDataSetChanged();
mListView.setAdapter(mAdapter);
load_result = load_fromnetwork_success;
if (!save_local && StringUtils.isEmpty(keyword)) {
mDb = new PrivilegeItemDb(PrivilegeActivity.this);
mDb.add(mPrivilegeItem);
mDb.closeDB();
}
page = page + 1;
mLoadDataTask = null;
} else {
page = page + 1;
mPrivilegeItem.addAll(mLoadDataTask.getPrivilegeItem());
mAdapter.notifyDataSetChanged();
mLoadDataTask = null;
}
// ShowToast.showGetSuccess(FoodActivity.this);
} else if (result == TaskResult.FAILED) {
mLoadDataTask = null;
if (!StringUtils.isEmpty(keyword)) {
ShowToast.showMessage(PrivilegeActivity.this, "没有相关团购，请输入其他搜索内容。");
}else {
ShowToast.showGetFaile(PrivilegeActivity.this);
}
} else if (result == TaskResult.IO_ERROR) {
mLoadDataTask = null;
if (!StringUtils.isEmpty(keyword)) {
ShowToast.showMessage(PrivilegeActivity.this, "没有相关团购，请输入其他搜索内容。");
}else {
ShowToast.showGetFaile(PrivilegeActivity.this);
}
} else if (result == TaskResult.NO_MORE_DATA) {
mLoadDataTask = null;
ShowToast.showNomoredata(PrivilegeActivity.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”
mListView.onRefreshComplete();
}
};
private int page = 1;
private ArrayList<PrivilegeItem> privilegeItem = new ArrayList<PrivilegeItem>();
private Page mPage = null;
// private Map<String, Object> result = new HashMap<String, Object>();
private String email = MzeatApplication.getInstance()
.getpPreferencesConfig().getString("email", "");
private String pwd = MzeatApplication.getInstance().getpPreferencesConfig()
.getString("pwd", "");
private String Latitude;
private String Longitude;
private String keyword;
private class LoadDataTask extends GenericTask {
@Override
protected TaskResult _doInBackground(TaskParams... params) {
// TODO Auto-generated method stub
Privilege privilege = new Privilege();
if (mPage == null) {
privilege = MzeatApplication
.getInstance()
.getService()
.getPrivilege(email, pwd, String.valueOf(page),
Latitude, Longitude,keyword);
int code = Integer.valueOf(privilege.getOpen());
if (code == MzeatService.RESULT_OK) {
privilegeItem = (ArrayList<PrivilegeItem>) privilege
.getItem();
// Log.e("name", privilegeItem.get(0).getAddress());
mPage = (Page) privilege.getPage();
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())) {
privilege = MzeatApplication
.getInstance()
.getService()
.getPrivilege(email, pwd, String.valueOf(page),
Latitude, Longitude,keyword);
int code = Integer.valueOf(privilege.getOpen());
if (code == MzeatService.RESULT_OK) {
privilegeItem = (ArrayList<PrivilegeItem>) privilege
.getItem();
// Log.e("name", privilegeItem.get(0).getAddress());
mPage = (Page) privilege.getPage();
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<PrivilegeItem> getPrivilegeItem() {
return privilegeItem;
}
}
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) {
if (CheckNetworkConnection
.checkNetworkConnection(PrivilegeActivity.this)) {
if (!MzeatApplication.getInstance().lat.equals("")) {
Log.e("lat", MzeatApplication.getInstance().lat);
Latitude = MzeatApplication.getInstance().lat;
Longitude = MzeatApplication.getInstance().lon;
loaddata();
} else {
ShowToast.showToastShort(PrivilegeActivity.this,
R.string.get_your_location);
}
} else {
ShowToast.showToastShort(PrivilegeActivity.this,
R.string.your_network_has_disconnected);
mListView.onRefreshComplete();
}
}
};
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) {
getOldData();
if (load_result != load_fromnetwork_success) {
if (!MzeatApplication.getInstance().lat.equals("")) {
Log.e("lat", MzeatApplication.getInstance().lat);
Latitude = MzeatApplication.getInstance().lat;
Longitude = MzeatApplication.getInstance().lon;
if (StringUtils.isEmpty(keyword)) {
getOldData();
loaddata();
}else {
loaddata();
}
} else {
ShowToast.showToastShort(PrivilegeActivity.this,
R.string.get_your_location);
}
super.success = false;
}
} else {
if (load_result == 0) {
if (StringUtils.isEmpty(keyword)) {
getOldData();
}
}
}
}
}
private void getOldData() {
mDb = new PrivilegeItemDb(this);
mPrivilegeItem = mDb.getItem();
mDb.closeDB();
if (mPrivilegeItem.size() != 0) {
mAdapter.setDataList(mPrivilegeItem);
mListView.setAdapter(mAdapter);
load_result = load_fromdb_success;
}
}
ListView.OnItemClickListener mItemClickListener = new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
// TODO Auto-generated method stub
Intent intent = new Intent(PrivilegeActivity.this,
PrivilegeDetailActivity.class);
PrivilegeItem mItem = mPrivilegeItem.get(position - 1);
Bundle mBundle = new Bundle();
mBundle.putSerializable(SER_KEY, mItem);
intent.putExtras(mBundle);
startActivity(intent);
}
};
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
// Log.e("onDestroy()", "onDestroy()");
if (null != mLoadDataTask
&& mLoadDataTask.getStatus() == LoadDataTask.Status.RUNNING) {
mLoadDataTask.cancel(true);
}
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);
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
try {
unregisterReceiver(networkChange);
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
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;
mListView.onRefreshComplete();
return true;
}
}
if (keyCode == KeyEvent.KEYCODE_BACK) {
finish();
return true;
}
return super.onKeyDown(keyCode, event);
}
}