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.InviteDb;
import com.mzeat.model.Invite;
import com.mzeat.model.InviteReturn;
import com.mzeat.model.MyOrderItem;
import com.mzeat.model.Page;
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.InviteListAdapter;
import com.mzeat.util.CheckNetworkConnection;
import com.mzeat.util.ConnectionChangeReceiver;
import com.mzeat.util.ShowToast;
import android.app.Activity;
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.ImageButton;
import android.widget.ListView;
import android.widget.TextView;
public class InviteActivity extends BaseActivity {
private NetworkChange networkChange;
private PullToRefreshListView mListView;
private InviteListAdapter 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 InviteDb mDb;
private ImageButton btn_back;
private TextView tv_title;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_invite);
mListView = (PullToRefreshListView) findViewById(R.id.invite_list);
mListView.setOnRefreshListener(RefreshListener);
mAdapter = new InviteListAdapter(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
finish();
}
});
tv_title = (TextView) findViewById(R.id.tv_title);
tv_title.setText(R.string.title_invite);
}
ArrayList<Invite> mInvites = new ArrayList<Invite>();
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) {
mInvites = mLoadDataTask.getInvite();
mAdapter.setDataList(mInvites);
mAdapter.notifyDataSetChanged();
mListView.setAdapter(mAdapter);
load_result = load_fromnetwork_success;
if (!save_local) {
mDb = new InviteDb(InviteActivity.this);
mDb.add(mInvites);
mDb.closeDB();
}
page = page + 1;
mLoadDataTask = null;
} else {
page = page + 1;
mInvites.addAll(mLoadDataTask.getInvite());
mAdapter.notifyDataSetChanged();
mLoadDataTask = null;
}
// ShowToast.showGetSuccess(FoodActivity.this);
} else if (result == TaskResult.FAILED) {
mLoadDataTask = null;
ShowToast.showGetFaile(InviteActivity.this);
} else if (result == TaskResult.IO_ERROR) {
mLoadDataTask = null;
ShowToast.showError(InviteActivity.this);
} else if (result == TaskResult.NO_MORE_DATA) {
mLoadDataTask = null;
ShowToast.showNomoredata(InviteActivity.this);
} else if (result == TaskResult.NOT_FOLLOWED_ERROR) {
ShowToast.showNoOrder(InviteActivity.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<Invite> invites = new ArrayList<Invite>();
private Page mPage = null;
private InviteReturn result = new InviteReturn();
private class LoadDataTask extends GenericTask {
@Override
protected TaskResult _doInBackground(TaskParams... params) {
// TODO Auto-generated method stub
if (mPage == null) {
result = MzeatApplication.getInstance().getService()
.getInviteReturn(String.valueOf(page));
int code = Integer.valueOf(result.getOpen());
if (code == MzeatService.RESULT_OK) {
invites = (ArrayList<Invite>) result.getItem();
Log.e("invite", String.valueOf(invites.size()));
mPage = (Page) result.getPage();
return TaskResult.OK;
} else if (code == MzeatService.RESULT_FAILE) {
return TaskResult.FAILED;
} else if (code == MzeatService.RESULT_NODATA) {
return TaskResult.NOT_FOLLOWED_ERROR;
} else {
return TaskResult.IO_ERROR;
}
} else {
if (page <= Integer.valueOf(mPage.getPage_total())) {
result = MzeatApplication.getInstance().getService()
.getInviteReturn(String.valueOf(page));
int code = Integer.valueOf(result.getOpen());
if (code == MzeatService.RESULT_OK) {
invites = (ArrayList<Invite>) result.getItem();
mPage = (Page) result.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<Invite> getInvite() {
return invites;
}
}
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(InviteActivity.this)) {
loaddata();
} else {
ShowToast.showToastShort(InviteActivity.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) {
if (load_result != load_fromnetwork_success) {
getOldData();
loaddata();
super.success = false;
}
} else {
if (load_result == 0) {
getOldData();
}
}
}
}
private void getOldData() { // mShoppings = new ArrayList<Shopping>();
mDb = new InviteDb(this);
mInvites = mDb.getInvite();
mDb.closeDB();
if (mInvites.size() != 0) {
mAdapter.setDataList(mInvites);
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);
}
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();
}
}
@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;
mListView.onRefreshComplete();
return true;
}
finish();
return true;
}
return super.onKeyDown(keyCode, event);
}
}