package com.example.ormlite.cursor;

import android.app.Activity;
import android.app.LoaderManager;
import android.content.Loader;
import android.database.Cursor;
import android.os.Bundle;
import android.util.Log;
import android.widget.ListView;

import com.example.ormlite.cursor.R;
import com.example.ormlite.cursor.OrmLiteCursorLoader;
import com.j256.ormlite.dao.Dao;
import com.j256.ormlite.stmt.PreparedQuery;

import java.sql.SQLException;

/**
 * Created by andrei on 30/01/15.
 */
public class UsageActivity extends Activity implements LoaderManager.LoaderCallbacks<Cursor> {
    
    public static final int CURSOR_LOADER_ID = "CURSOR_LOADER_ID".hashCode(); 
    
    private Dao<Long, DeviceModel> mDeviceModelDao;
    private PreparedQuery<Long> mYourAwesomeQuery;
    private DeviceCursorAdapter mDeviceCursorAdapter;

    private ListView mDevicesListView;

    @Override protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.setContentView(R.layout.your_awesome_activiy_layout);
        this.mDevicesListView = (ListView) this.findViewById(R.id.your_awesome_devices_list_view);
        this.mDeviceModelDao = ((AwesomeApplication)getApplicationContext()).getDatabaseHelper().getDeviceModelDao();
        try {
            this.mYourAwesomeQuery = mDeviceModelDao.queryBuilder().selectColumns("name","_id").prepare();
        } catch (SQLException e) {
            Log.e(this.getClass().getSimpleName(), e.getMessage());
        }
        this.mDeviceCursorAdapter = new DeviceCursorAdapter(this);
        this.mDevicesListView.setAdapter(mDeviceCursorAdapter);
        this.getLoaderManager().initLoader(CURSOR_LOADER_ID, null, this);
    }

    @Override public Loader onCreateLoader(int id, Bundle args) {
        return new OrmLiteCursorLoader<>(this, mDeviceModelDao, mYourAwesomeQuery);
    }

    @Override public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
        this.mDeviceCursorAdapter.swapCursor(data);
    }
    @Override public void onLoaderReset(Loader loader) {
        this.mDeviceCursorAdapter.swapCursor(null);
    }
}