ActivityListFragment.java

package com.bdyjy.fragment;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.alibaba.fastjson.JSON;
import com.bdyjy.R;
import com.bdyjy.activity.MainActivity;
import com.bdyjy.adapter.ActivityListAdapter;

import com.bdyjy.constants.HandlerOrder;
import com.bdyjy.custom.view.XListView;
import com.bdyjy.custom.view.XListView.IXListViewListener;
import com.bdyjy.entity.attArryData;
import com.bdyjy.entity.activity.Activity;
import com.bdyjy.entity.activity.ActivityContentQueryResultBean;
import com.bdyjy.entity.activity.ActivityQueryResultBean;

import com.bdyjy.util.OkHttpUtils;
import com.bdyjy.util.SPUtils;

import android.app.Fragment;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.AdapterView;

import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;

/**
 * ���Ż�б�
 * 
 * @author cuicui create at 2016-04-02 17:02
 * 
 */
public class ActivityListFragment extends Fragment implements
		IXListViewListener
{
	Handler handler = null;
	String toastMsg = null;

	private MainActivity ctx;

	// �Զ��������б����
	private XListView activityListView;
	private ActivityListAdapter activityListViewAdapter;
	private List<Map<String, Object>> activityListItems;

	private TextView tv_activity_back;

	private int pageSize = 5;// ҳ����������-����
	private int sizeStep = 5;// ÿ�μ��ص���Ŀ

	public ActivityListFragment(MainActivity ctx)
	{
		this.ctx = ctx;
		initHandler();
	}

	private void initHandler()
	{
		handler = new Handler(ctx.getMainLooper())
		{
			@Override
			public void handleMessage(Message msg)
			{
				switch (msg.what)
				{
				case HandlerOrder.TOAST:
					// TODO
					Toast.makeText(ctx, toastMsg, Toast.LENGTH_LONG).show();
					break;
				case HandlerOrder.UPDATE_LISTVIEW:
					activityListView.onLoad();
					loadData();
					break;
				case HandlerOrder.PROCESSBAR_SHOW:
					ctx.showRoundProcessDialog();
					break;
				case HandlerOrder.PROCESSBAR_HIDE:
					ctx.hideRoundProcessDialog();
					break;
				}
			}
		};
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState)
	{
		View view = inflater.inflate(R.layout.activitylist_fragment, null);

		// tv_activity_back = (TextView)
		// view.findViewById(R.id.tv_activity_back);
		// tv_activity_back.setOnClickListener(new OnClickListener()
		// {
		// @Override
		// public void onClick(View v)
		// {
		// ctx.jumpToFirstPageFregment();
		// }
		// });
		view.findViewById(R.id.ll_back).setOnClickListener(
				new OnClickListener()
				{
					@Override
					public void onClick(View v)
					{
						ctx.jumpToFirstPageFregment();
					}
				});

		activityListView = (XListView) view
				.findViewById(R.id.activity_listview);
		activityListView.setPullLoadEnable(true);
		activityListView.setXListViewListener(this);
		activityListItems = new ArrayList<Map<String, Object>>();

		// ѡ��ĵ���¼�
		activityListView.setOnItemClickListener(new OnItemClickListener()
		{

			@Override
			public void onItemClick(AdapterView<?> parent, View view,
					int position, long id)
			{
				// ����ѡ��ĵ���¼�
				TextView tv_activity_id = (TextView) view
						.findViewById(R.id.tv_activity_id);
				// ����������Żid������ѯ��������Ż����ʾ����
				// ��ѯ��̨
				getActivityContent(tv_activity_id.getText().toString());
				System.out.println("�����������"
						+ tv_activity_id.getText().toString());
			}
		});
		if (null == MainActivity.activityList)
			getActivityList();
		else
			loadData();

		return view;
	}

	private void loadData()
	{
		// ���ԭ������
		activityListItems.clear();
		Map<String, Object> map = null;
		if (MainActivity.activityList == null)
		{
			System.out.println("activityList��");
		} else
		{
			for (int i = 0; i < MainActivity.activityList.size(); i++)
			{
				map = new HashMap<String, Object>();
				map.put("poster", R.drawable.news_1); // ͼƬ��Դ,
														// ��ʱ��ʹ��ͬһ��ͼƬ��Ϊ����
				map.put("subject", MainActivity.activityList.get(i)
						.getSubject()); // ��Ʒ����
				map.put("tv_activity_id", MainActivity.activityList.get(i)
						.getId());
				map.put("hoster", MainActivity.activityList.get(i).getHoster()); // ͼƬ��Դ,
																					// ��ʱ��ʹ��ͬһ��ͼƬ��Ϊ����
				map.put("actPlace", MainActivity.activityList.get(i)
						.getActplace()); // ��Ʒ����
				map.put("actTime", MainActivity.activityList.get(i)
						.getActtime());
				map.put("content", MainActivity.activityList.get(i)
						.getContent());

				String http = "";
				String http2 = "";
				String http1 = "";
				try
				{
					http1 = MainActivity.activityList.get(i).getPoster()
							.toString().trim();
					http2 = MainActivity.activityList.get(i)
							.getAttachmentPrefix();
				} catch (Exception e)
				{
					e.printStackTrace();
				}
				http = http2 + http1;
				System.out.println("s���ŻͼƬ�ĵ�ַΪ��" + http);
				map.put("http", http);
				activityListItems.add(map);
			}
		}

		if (null == activityListViewAdapter)
		{
			activityListViewAdapter = new ActivityListAdapter(ctx,
					activityListItems); // ����������
			activityListView.setAdapter(activityListViewAdapter);
		} else
		{
			activityListViewAdapter.refresh(activityListItems);
		}
	}

	// �������װ�Ӻ�̨һ����ȡ���Ż�б�ķ���
	private void getActivityList()
	{
		new Thread()
		{
			@Override
			public void run()
			{
				// ����get����
				String res = null;

				// ��sharePreference��ȡ��֮ǰ�洢�IJ���
				String token = (String) SPUtils.get(ctx, "token", "");
				String singnature = (String) SPUtils.get(ctx, "singnature", "");
				String st = (String) SPUtils.get(ctx, "st", "");

				try
				{
					handler.sendEmptyMessage(HandlerOrder.PROCESSBAR_SHOW);
					res = OkHttpUtils.getInstance().doGet(

							ctx,
							"/admin/activity/grid.do?pageNo=1&pageSize=5"

							+ "&token=" + token + "&singnature=" + singnature
									+ "&st=" + st);
					handler.sendEmptyMessage(HandlerOrder.PROCESSBAR_HIDE);
				} catch (Exception e)
				{
					e.printStackTrace();
					toastMsg = "��ȡ���Ż����ʧ��";
					handler.sendEmptyMessage(HandlerOrder.TOAST);
					handler.sendEmptyMessage(HandlerOrder.PROCESSBAR_HIDE);
					return;
				}
				System.out.println("�������Ż��" + res.trim());

				// ���Խ�json��ת����bean����
				ActivityQueryResultBean nqrb = JSON.parseObject(res,
						ActivityQueryResultBean.class);

				// ����ֵ������JSON��ʽ�����ݣ���Ҫ���������
				if (res.trim().length() == 0)
				{
					toastMsg = "��ȡ���Ż����ʧ��";
					handler.sendEmptyMessage(HandlerOrder.TOAST);
					return;
				}
				String app_result_key = nqrb.getApp_result_key();
				if ("0".equals(app_result_key))
				{
					// ��������˵���������������ݣ���Ҫ�������ȡ���Ż�ı���
					List<Activity> list = nqrb.getData().getRows();

					MainActivity.activityList = list;
					// ʹ��handlerȥ֪ͨ���̸߳���activityListView
					handler.sendEmptyMessage(HandlerOrder.UPDATE_LISTVIEW);
				}
			}
		}.start();
	}

	// �������װ�Ӻ�̨һ����ȡ���Ż���ݵķ���
	private void getActivityContent(final String id)
	{
		new Thread()
		{
			@Override
			public void run()
			{
				// ����get����
				String res = null;

				// ��sharePreference��ȡ��֮ǰ�洢�IJ���
				String token = (String) SPUtils.get(ctx, "token", "");
				String singnature = (String) SPUtils.get(ctx, "singnature", "");
				String st = (String) SPUtils.get(ctx, "st", "");

				try
				{
					handler.sendEmptyMessage(HandlerOrder.PROCESSBAR_SHOW);
					res = OkHttpUtils.getInstance().doGet(
							ctx,
							"/admin/activity/findById.do?id=" + id + "&token="
									+ token + "&singnature=" + singnature
									+ "&st=" + st);
					handler.sendEmptyMessage(HandlerOrder.PROCESSBAR_HIDE);
				} catch (Exception e)
				{
					e.printStackTrace();
				}

				System.out.println("�������Ļ���ݣ�" + res.trim());
				ActivityContentQueryResultBean bean = JSON.parseObject(res,
						ActivityContentQueryResultBean.class);

				// ����ֵ������JSON��ʽ�����ݣ���Ҫ���������
				if (res.trim().length() == 0)
				{
					toastMsg = "��ȡ���Ż����ʧ��";
					handler.sendEmptyMessage(HandlerOrder.TOAST);
					return;
				}
				String app_result_key = bean.getApp_result_key();
				if ("0".equals(app_result_key))// ���������������Ż������,
												// ��ô��Ҫ������ȡ�����Ż�ı��⣬���ݣ���ʾ�ڽ�����
				{
					Activity b = bean.getEntity();
					MainActivity.activity = b;
				}
				ctx.jumpToActivityContentFragment();
			}
		}.start();
	}

	/**
	 * �������������أ�����ˢ����ش���
	 */
	@Override
	public void onRefresh()// ����ˢ��
	{
		// toastMsg = "��⵽����ˢ�¶���";
		// handler.sendEmptyMessage(HandlerOrder.TOAST);

		// ˢ������
		getActivityList();
	}

	@Override
	public void onLoadMore()// ���Ǽ��ظ���
	{
		// toastMsg = "��⵽�������ض���";
		// handler.sendEmptyMessage(HandlerOrder.TOAST);
		pageSize += sizeStep;
		getActivityList();
	}

}