Me_GrowthHistory_Activity.java

package com.bigdo.app;

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

import org.json.JSONArray;
import org.json.JSONObject;

import com.bigdo.common.BDSQLiteHelper;
import com.bigdo.common.Login;
import com.bigdo.common.RConfig;
import com.bigdo.common.RState;
import com.bigdo.common.User;
import com.bigdo.controls.IXListViewListener;
import com.bigdo.controls.XListView;
import com.bigdo.util.WSCheck;
import com.bigdo.util.WSHelper;

import android.annotation.SuppressLint;
import android.content.ContentValues;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.TextView;

public class Me_GrowthHistory_Activity extends BaseActivity implements
		IXListViewListener {
	XListView grow_list;
	ArrayList<HashMap<String, Object>> data;
	GrowAdapter ad;
	TextView no_data;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.me_growthhistory_activity);
		View com_title = (View) this.findViewById(R.id.bd_title_host);
		TextView bd_title_name = (TextView) com_title
				.findViewById(R.id.bd_title_name);
		bd_title_name.setText("我的成长史");

		TextView bd_title_operate = (TextView) com_title
				.findViewById(R.id.bd_title_operate);
		bd_title_operate.setText("添  加");
		bd_title_operate.setVisibility(View.VISIBLE);
		bd_title_operate.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				addGrow();
			}
		});
		ImageButton bd_title_back = (ImageButton) com_title
				.findViewById(R.id.bd_title_back);
		bd_title_back.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				finish();
			}
		});

		data = new ArrayList<HashMap<String, Object>>();
		grow_list = (XListView) this.findViewById(R.id.growthhistory_list);
		grow_list.setPullLoadEnable(false);
		grow_list.setXListViewListener(this);
		grow_list.setOnItemClickListener(new OnItemClickListener() {

			@Override
			public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
					long arg3) {
				arg2--;
				if (arg2 < 0) {
					arg2 = 0;
				}
				goGrowDetail(arg2);
			}
		});
		ad = new GrowAdapter();
		grow_list.setAdapter(ad);
		no_data = (TextView) this.findViewById(R.id.grow_list_no_data);
		loadData();
	}

	public void loadData() {
		getGrow();
		if (data.size() <= 0) {
			grow_list.startAutoHeightRefresh(1);
		}
	}

	private void addGrow() {
		Intent i = new Intent();
		i.setClass(this, Me_Edit_GrowthHistory_Activity.class);
		i.putExtra("tag", "add");
		i.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
		startActivityForResult(i, 2);

	}

	private void startGetGrow() {
		checkHasData(true);
		User user = Login.get(this);
		if (user != null) {
			JSONObject jparam = new JSONObject();
			try {
				jparam.put("user", user.user);
			} catch (Exception e) {
				checkHasData(false);
				this.messageBox("准备请求参数出错.");
				grow_list.stopRefresh();
				return;
			}
			String url = RConfig.myGrow(this);
			String data = jparam.toString();
			WSHelper ws = new WSHelper(this, "", false, handler, url, "",
					WSHelper.getStringEntity(data), 0, 0, 0, 0, WSHelper.POST);
			ws.start();
			Log.e("startGetGrow", url);
			Log.e("startGetGrow_data", data);
		} else {
			showInfo("请先登录");
		}
	}

	private void checkHasData(boolean isoping) {
		if (no_data != null) {
			if (!isoping && data.size() <= 0) {
				no_data.setVisibility(LinearLayout.VISIBLE);
			} else {
				no_data.setVisibility(LinearLayout.GONE);
			}
		}
	}

	private void goGrowDetail(int p) {
		if (data != null) {
			HashMap<String, Object> mp = data.get(p);
			if (mp != null) {
				int idgrow = (Integer) mp.get("idgrow");
				Intent i = new Intent();
				i.setClass(this, Me_GrowthHistory_Detail_Activity.class);
				i.putExtra("idgrow", idgrow);
				i.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
				startActivityForResult(i, 1);
			}
		}
	}

	 

	@Override
	public void onRefresh(XListView xListView, int tag, int requestCode) {
		startGetGrow();
	}

	@Override
	public void onLoadMore(XListView xListView, int tag, int requestCode) {

	}

	private int getGrow() {
		int count = 0;
		if (data != null && ad != null) {
			data.clear();
			BDSQLiteHelper sqlobj = null;
			SQLiteDatabase sqlobj_r = null;
			Cursor cu = null;
			try {
				sqlobj = new BDSQLiteHelper(this);
				sqlobj_r = sqlobj.getReadableDatabase();
				String sqlt = "select * from grow order by idgrow desc";
				cu = sqlobj_r.rawQuery(sqlt, null);
				int idgrow;
				String title, createtime;
				while (cu.moveToNext()) {
					idgrow = cu.getInt(cu.getColumnIndex("idgrow"));
					title = cu.getString(cu.getColumnIndex("title"));
					createtime = cu.getString(cu.getColumnIndex("createtime"));
					if (createtime != null && createtime.length() > 10) {
						createtime = createtime.substring(0, 10);
					}
					HashMap<String, Object> map = new HashMap<String, Object>();
					map.put("idgrow", idgrow);
					map.put("title", title);
					map.put("createtime", createtime);
					data.add(map);
					count++;
				}
			} catch (Exception e2) {
				messageBox("加载本地缓存成长史出错");
			}
			try {
				if (cu != null) {
					cu.close();
					cu = null;
				}
			} catch (Exception ex) {
			}
			try {
				if (sqlobj_r != null) {
					sqlobj_r.close();
					sqlobj_r = null;
				}
			} catch (Exception ex) {
			}
			try {
				if (sqlobj != null) {
					sqlobj.close();
					sqlobj = null;
				}
			} catch (Exception ex) {
			}
			if (ad != null) {
				ad.notifyDataSetChanged();
			}
			checkHasData(false);
		}
		return count;
	}

	private void update(JSONObject jresult) {
		if (grow_list != null && data != null && ad != null) {
			boolean addtag = false, deltag = false, uptag = false;
			if (jresult != null) {
				BDSQLiteHelper sqlobj = null;
				SQLiteDatabase sqlobj_w = null;
				Cursor cu = null;
				try {
					sqlobj = new BDSQLiteHelper(this);
					sqlobj_w = sqlobj.getWritableDatabase();
					JSONArray item = jresult.getJSONArray("item");
					if (item != null && item.length() > 0) {
						int add_count = 0, update_count = 0;
						try {
							try {
								sqlobj_w.delete("grow", null, null);
								data.clear();
								// ad.notifyDataSetChanged();
							} catch (Exception ee) {
							}
							int lg = item.length();
							String title = "", content = "", createtime = "";
							int idgrow;
							long c = 0;
							for (int i = 0; i < lg; i++) {
								JSONObject vo = (JSONObject) item.opt(i);
								if (vo != null) {
									idgrow = vo.getInt("idgrow");
									title = vo.getString("title");
									content = vo.getString("content");
									createtime = vo.getString("createtime");
									ContentValues cv = new ContentValues();
									cv.put("idgrow", idgrow);
									cv.put("title", title);
									cv.put("content", content);
									cv.put("createtime", createtime);
									cu = sqlobj_w
											.rawQuery(
													"select idgrow from grow where idgrow = ? ",
													new String[] { idgrow + "" });
									c = cu.getCount();
									try {
										if (cu != null) {
											cu.close();
										}
									} catch (Exception ex) {
									}
									cu = null;
									if (c <= 0) {
										c = sqlobj_w.insert("grow", "", cv);
										add_count++;
										if (c > 0) {
											addtag = true;
										}
									} else {
										cv.remove("idgrow");
										c = sqlobj_w.update("grow", cv,
												"idgrow = ?",
												new String[] { idgrow + "" });
										update_count += c;
										if (c > 0) {
											uptag = true;
										}

									}
									cv = null;
								}
							}

						} catch (Exception e) {
							messageBox("缓存成长史数据出错.");
						}
						String msg = "";
						if (add_count > 0) {
							msg = "亲！新加载了 " + add_count + " 条成长史";
						}
						if (update_count > 0) {
							if (msg.length() > 0) {
								msg += ",";
							} else {
								msg = "亲！ ";
							}
							msg = "更新了 " + update_count + " 条成长史.";
						}
						if (msg.length() > 0) {
							this.showInfo(msg);
						}
					} else {
						showInfo("亲！没有新成长史了哦.");
					}
				} catch (Exception e) {
				}
				try {
					if (cu != null) {
						cu.close();
						cu = null;
					}
				} catch (Exception ex) {
				}
				try {
					if (sqlobj_w != null) {
						sqlobj_w.close();
						sqlobj_w = null;
					}
				} catch (Exception ex) {
				}
				try {
					if (sqlobj != null) {
						sqlobj.close();
						sqlobj = null;
					}
				} catch (Exception ex) {
				}
			}

		}
	}

	@SuppressLint("HandlerLeak")
	protected Handler handler = new Handler() {
		public void handleMessage(Message msg) {
			super.handleMessage(msg);
			if (msg.arg1 == RState.WSCall) {
				JSONObject jresult = WSCheck.Json(
						Me_GrowthHistory_Activity.this, msg);
				if (grow_list != null) {
					update(jresult);
					getGrow();
					grow_list.stopRefresh();
				}
			}
		}
	};

	public class GrowAdapter extends BaseAdapter {
		private LayoutInflater mInflater;

		public GrowAdapter() {
			this.mInflater = LayoutInflater
					.from(Me_GrowthHistory_Activity.this);

		}

		@Override
		public int getCount() {
			if (data != null) {
				return data.size();
			}
			return 0;
		}

		@Override
		public Object getItem(int arg0) {
			if (data != null) {
				return data.get(arg0);
			}
			return null;
		}

		@Override
		public long getItemId(int arg0) {
			return arg0;
		}

		String title, createtime;

		@Override
		public View getView(int arg0, View arg1, ViewGroup arg2) {
			Holder holder = null;
			if (arg1 == null) {
				holder = new Holder();
				arg1 = mInflater.inflate(R.layout.me_grow_item, null);
				holder.vline = (View) arg1
						.findViewById(R.id.me_grow_item_vline);
				holder.title = (TextView) arg1
						.findViewById(R.id.me_grow_item_title);
				holder.date = (TextView) arg1
						.findViewById(R.id.me_grow_item_date);
				arg1.setTag(holder);
			} else {
				holder = (Holder) arg1.getTag();
			}
			if (arg0 == 0 || arg0 == data.size()) {
				holder.vline.setVisibility(View.GONE);
			} else {
				holder.vline.setVisibility(View.VISIBLE);
			}
			Map<String, Object> mp = data.get(arg0);
			title = mp.get("title") != null ? (mp.get("title") + "") : "";
			createtime = mp.get("createtime") != null ? (mp.get("createtime") + "")
					: "";
			holder.title.setText(title);
			holder.date.setText(createtime);
			return arg1;
		}
	}

	private class Holder {
		TextView title, date;
		View vline;
	}

	@Override
	public void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		if (requestCode == 2 && resultCode == 1) {
			getGrow();
		} else if (requestCode == 1 && resultCode == 1) {
			getGrow();
		}
	}

	@Override
	public void onClearData() {
		// TODO Auto-generated method stub

	}

	@Override
	public void onVideoBroadcast(Intent intent) {
		// TODO Auto-generated method stub
		
	}
}