package coolbuy360.searchhealth;
import java.util.List;
import java.util.Map;
import android.app.Activity;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import coolbuy360.adapter.BlackListViewAdapter;
import coolbuy360.logic.ConstantsSetting;
import coolbuy360.service.TimestampException;
import coolbuy360.service.searchApp;
public class BlackDrug extends Activity {
BlackListViewAdapter listAdapter;
private ListView black_drug_listview;
private int pageSize = ConstantsSetting.QLDefaultPageSize;
private int pageIndex = 1;
private boolean isloading;
LinearLayout async_begin;
LinearLayout async_error;
private Button loadMoreButton;
private ProgressBar proBar;
private TextView protxt;
private View loadMoreView;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.exposure_drug);
//Ϊ�˳�����
searchApp.getInstance().addActivity(this);
black_drug_listview = (ListView) this.findViewById(R.id.Exposure_list);
async_begin = (LinearLayout) findViewById(R.id.async_begin);
async_begin.setVisibility(View.GONE);
async_error = (LinearLayout) findViewById(R.id.async_error);
black_drug_listview.setVisibility(View.GONE);
// ����������������������������������������ʼ��foot_loading�ؼ�������������������������������������������
loadMoreView = getLayoutInflater().inflate(R.layout.p_druglist_foot,null);
loadMoreButton = (Button) loadMoreView.findViewById(R.id.p_listview_footbtn);
proBar = (ProgressBar) loadMoreView.findViewById(R.id.p_probar);
protxt = (TextView) loadMoreView.findViewById(R.id.p_protxt);
black_drug_listview.addFooterView(loadMoreView); // �����б�ײ���ͼ
new AsyncLoader_GuessInfo().execute();
}
private final class onScrollListener implements OnScrollListener
{
@Override
public void onScroll(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount) {
if (firstVisibleItem + visibleItemCount == totalItemCount) {
if (!isloading)// ���û�м�����
{
loadMoreButton.setVisibility(View.GONE);
proBar.setVisibility(View.VISIBLE);
protxt.setVisibility(View.VISIBLE);
new AsynLoader_more().execute();
} else {
// storeListView.removeFooterView(loadMoreView);//
}
}
}
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
// TODO Auto-generated method stub
}
}
private final class itemOnClick implements OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int posion,
long arg3) {
// TODO Auto-generated method stub
//FootView Item ���
if (arg3 == -1)
return;
// Toast.makeText(BlackDrug.this, "haha", 1).show();
Map<String, String> map = (Map<String, String>) black_drug_listview
.getItemAtPosition(posion);
// ������ֵ��BlackListID��DrugID��PubTime��DangerLever��Danger��drugname�����м�ֵСд��
String drugId = map.get("blacklistid");
Bundle bundle = new Bundle();
bundle.putString("drugnameid", drugId);
bundle.putString("drugtype", "1");
Intent drugintent = new Intent().setClass(BlackDrug.this,
ExposureDetail.class);
drugintent.putExtras(bundle);
startActivity(drugintent);
}
}
/**
* ��ҳ���ظ�������
*/
private class AsynLoader_more extends AsyncTask<String, Void, Integer> {
List<Map<String, String>> innerdruglist;
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
isloading = true;
}
@Override
protected Integer doInBackground(String... params) {
// TODO Auto-generated method stub
try {
innerdruglist = coolbuy360.logic.BlackDrug.getList(pageSize,
pageIndex + 1);
if (innerdruglist != null) {
return (innerdruglist.size() > 0) ? 0 : 1;
} else {
return 2;// �������Ӵ���
}
} catch (Exception e) {
// TODO Auto-generated catch block
return 2;
}
}
@Override
protected void onPostExecute(Integer result) {
// TODO Auto-generated method stub
// StrictModeWrapper.init(getApplicationContext());
if (result == 0) {
for (Map<String, String> item : innerdruglist) {
listAdapter.addItem(item);
}
if (innerdruglist.size() < pageSize) {
// loadMoreView.setVisibility(View.GONE);
loadMoreButton.setText("û�и�������");
} else {
loadMoreButton.setText("����");
loadMoreButton.setVisibility(View.VISIBLE);
}
proBar.setVisibility(View.GONE);
protxt.setVisibility(View.GONE);// ����progressbar
isloading = false;
listAdapter.count += innerdruglist.size();
listAdapter.notifyDataSetChanged();
pageIndex++;
} else if (result == 1) { // ������ݼ������
if (innerdruglist.size() < pageSize) {
loadMoreView.setVisibility(View.GONE);
} else {
loadMoreButton.setVisibility(View.VISIBLE);
}
// loadMoreButton.setVisibility(View.VISIBLE);
loadMoreButton.setBackgroundColor(getResources().getColor(
R.color.transparent));
loadMoreButton.setClickable(false);
loadMoreButton.setText("û�и������ݣ�");
proBar.setVisibility(View.GONE); // ����progressbar
protxt.setVisibility(View.GONE);
// isloading = false;
} else if (result == 2) {
loadMoreButton.setVisibility(View.VISIBLE);
loadMoreButton.setBackgroundColor(getResources().getColor(
R.color.transparent));
loadMoreButton.setText("�������Ӵ���");
proBar.setVisibility(View.GONE);
protxt.setVisibility(View.GONE);// ����progressbar
isloading = false;
}
}
}
private void initData(List<Map<String, String>> druglist) {
listAdapter = new BlackListViewAdapter(BlackDrug.this, druglist);
listAdapter.count = druglist.size();
if (druglist.size() < pageSize) {
loadMoreView.setVisibility(View.GONE);
}
black_drug_listview.setVisibility(View.VISIBLE);
black_drug_listview.setAdapter(listAdapter);
black_drug_listview.setOnItemClickListener(new itemOnClick());
black_drug_listview.setOnScrollListener(new onScrollListener());
//loadMoreButton.setOnClickListener(new moreOnClick());
}
private final class moreOnClick implements OnClickListener {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
loadMoreButton.setVisibility(View.GONE);
proBar.setVisibility(View.VISIBLE);
protxt.setVisibility(View.VISIBLE);
new AsynLoader_more().execute();
}
}
/**
* ��һ���첽��������
*/
class AsyncLoader_GuessInfo extends AsyncTask<String, Void, Integer> {
List<Map<String, String>> innerdruglist;
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
loadMoreView.setVisibility(View.VISIBLE);
}
@Override
protected Integer doInBackground(String... params) {
try {
// ��������
innerdruglist = coolbuy360.logic.BlackDrug.getList(pageSize, 1);
if (innerdruglist != null) {
return (innerdruglist.size() > 0) ? 0 : 1;
} else {
return 2;
}
} catch (TimestampException ex) {
return -2;
} catch (Exception ex) {
return 2;
}
}
@Override
// �������
protected void onPostExecute(Integer result) {
if (result == 0) {
// initData();
initData(innerdruglist);
async_begin.setVisibility(View.GONE);
} else if (result == 1) {
async_begin.setVisibility(View.GONE);
TextView async_error_txt = (TextView) async_error
.findViewById(R.id.async_error_txt);
Button async_error_reflesh = (Button) async_error
.findViewById(R.id.async_error_reflesh);
async_error_reflesh.setVisibility(View.GONE);
async_error_txt.setText("û���ҵ���صĺڰ���Ϣ");
async_error.setVisibility(View.VISIBLE);
} else {
async_begin.setVisibility(View.GONE);
async_error.setVisibility(View.VISIBLE);
TextView async_error_txt = (TextView) async_error
.findViewById(R.id.async_error_txt);
if (result == -2) {
async_error_txt.setText(R.string.error_timestamp);
} else {
async_error_txt.setText(R.string.error_nonetwork);
}
Button async_error_reflesh = (Button) async_error
.findViewById(R.id.async_error_reflesh);
async_error_reflesh.setVisibility(View.VISIBLE);
async_error_reflesh.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
async_error.setVisibility(View.GONE);
async_begin.setVisibility(View.VISIBLE);
new AsyncLoader_GuessInfo().execute();
}
});
}
}
}
}