package com.mzeat.ui;
import java.util.LinkedList;
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.model.Page;
import com.mzeat.model.Share;
import com.mzeat.model.ShareItem;
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.ShareListAdapter;
import com.mzeat.util.CheckNetworkConnection;
import com.mzeat.util.ShowToast;
import android.content.Intent;
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.ImageButton;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
public class SearchShareActivity extends BaseActivity {
private PullToRefreshListView mListView;
private ShareListAdapter mAdapter;
private LoadDataTask mLoadDataTask;
private int page = 1;
private ImageButton btn_back;
private ImageView img;
private TextView tv_title;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_seachstore);
Intent intent = getIntent();
tag = intent.getStringExtra("searchcontent");
mListView = (PullToRefreshListView) findViewById(R.id.shopping_list);
mListView.setOnRefreshListener(RefreshListener);
mListView.setOnItemClickListener(mItemClickListener);
mAdapter = new ShareListAdapter(this);
tv_title = (TextView) findViewById(R.id.tv_title);
tv_title.setText(R.string.microshare);
findViewById(R.id.cb_near).setVisibility(View.GONE);
img = (ImageView) findViewById(R.id.searchNothing);
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();
}
});
tag = getIntent().getStringExtra("searchcontent");
loaddata();
}
LinkedList<ShareItem> mItems = new LinkedList<ShareItem>();
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) {
mItems = mLoadDataTask.getShareItems();
mAdapter.setDataList(mItems);
mListView.setAdapter(mAdapter);
page = page + 1;
} else {
mItems = mLoadDataTask.getShareItems();
mAdapter.notifyDataSetChanged();
page = page + 1;
}
// ShowToast.showGetSuccess(FoodActivity.this);
} else if (result == TaskResult.FAILED) {
//img.setVisibility(View.VISIBLE);
//mListView.setVisibility(View.GONE);
// ShowToast.showGetFaile(SearchStoreActivity.this);
ShowToast.showMessage(SearchShareActivity.this, "没有相关微分享，请输入其他搜索内容。");
} else if (result == TaskResult.IO_ERROR) {
ShowToast.showMessage(SearchShareActivity.this, "没有相关微分享，请输入其他搜索内容。");
} else if (result == TaskResult.NO_MORE_DATA) {
ShowToast.showNomoredata(SearchShareActivity.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 LinkedList<ShareItem> mShareItems = new LinkedList<ShareItem>();
private Page mPage = null;
private String tag = "";
private class LoadDataTask extends GenericTask {
@Override
protected TaskResult _doInBackground(TaskParams... params) {
Share mShare = new Share();
// TODO Auto-generated method stub
Log.e("page", String.valueOf(page));
if (mPage == null) {
mShare = MzeatApplication.getInstance().getService()
.getShareList(String.valueOf(page),tag);
int code = Integer.valueOf(mShare.getOpen()) ;
if (code == MzeatService.RESULT_OK) {
mShareItems = (LinkedList<ShareItem>) mShare.getItem();
mPage = (Page) mShare.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())) {
mShare = MzeatApplication.getInstance().getService()
.getShareList(String.valueOf(page),tag);
int code = Integer.valueOf(mShare.getOpen()) ;
if (code == MzeatService.RESULT_OK) {
mShareItems = (LinkedList<ShareItem>) mShare.getItem();
mPage = (Page) mShare.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 LinkedList<ShareItem> getShareItems() {
return mShareItems;
}
}
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(SearchShareActivity.this)) {
loaddata();
} else {
ShowToast.showToastShort(SearchShareActivity.this,
R.string.your_network_has_disconnected);
mListView.onRefreshComplete();
}
}
};
ListView.OnItemClickListener mItemClickListener = new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
// TODO Auto-generated method stub
if (CheckNetworkConnection
.checkNetworkConnection(SearchShareActivity.this)) {
mListView.setSelected(true);
Intent intent = new Intent(SearchShareActivity.this,
ShareDetailActivity.class);
intent.putExtra("share_id", mItems.get(position - 1)
.getShare_id());
startActivity(intent);
} else {
ShowToast.showToastShort(SearchShareActivity.this,
R.string.your_network_has_disconnected);
}
}
};
@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();
}
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");
mListView.onRefreshComplete();
return true;
}
}
// return true;
return super.onKeyDown(keyCode, event);
}
}