Preferences.java :  » GPS » tripcomputer » pl » tripcomputer » Android Open Source

package pl.tripcomputer;

import java.util.ArrayList;

import pl.tripcomputer.gps.GpsReader;

import android.content.Context;
import android.content.SharedPreferences;


public class Preferences
{
  //fields
  private static final String PREFS_NAME = "TripComputerSettings";
  private Context context = null;
  private SharedPreferences prefs = null;  
  
  //fields
  public static int MEASURE_MODE_USA = 0;
  public static int MEASURE_MODE_EURO = 1;

  public static int DEFAULT_UPDATE_PERIOD = 15;
  public static int DEFAULT_LOCATION_ACCURACY = (int)GpsReader.MINIMUM_ACCURACY;
  
  
  //fields
  public int iMeasureMode = MEASURE_MODE_EURO;
  public int iSecondsBetweenLocationUpdate = DEFAULT_UPDATE_PERIOD;  
  public boolean bShowGrid = true;
  public boolean bLocationEditDecimal = true;
  public String sEmailAddress = "";
  public String sAccessCode = "";
  public int iLocationAccuracy = DEFAULT_LOCATION_ACCURACY;

  //fields
  private static ArrayList<Integer> vecUpdatePeriodSeconds = new ArrayList<Integer>();
  private static ArrayList<Integer> vecLocationAccuracy = new ArrayList<Integer>();
  
  static
  {
    //init update period vector
    vecUpdatePeriodSeconds.add(0);
    vecUpdatePeriodSeconds.add(2);
    vecUpdatePeriodSeconds.add(5);
    vecUpdatePeriodSeconds.add(10);
    vecUpdatePeriodSeconds.add(15);
    vecUpdatePeriodSeconds.add(30);
    vecUpdatePeriodSeconds.add(45);
    vecUpdatePeriodSeconds.add(60);  
    
    //init location accuracy vector
    vecLocationAccuracy.add(10);
    vecLocationAccuracy.add(20);
    vecLocationAccuracy.add(50);
    vecLocationAccuracy.add(100);
    vecLocationAccuracy.add(200);    
  };

  
  //methods  
  public Preferences(Context context)
  {
    this.context = context;
    load();
  }
  
  public void load()
  {
    prefs = context.getSharedPreferences(PREFS_NAME, Context.MODE_WORLD_READABLE);
    
    iMeasureMode = prefs.getInt("iMeasureMode", MEASURE_MODE_EURO);
    
    iSecondsBetweenLocationUpdate = prefs.getInt("iSecondsBetweenLocationUpdate", DEFAULT_UPDATE_PERIOD);
    iLocationAccuracy = prefs.getInt("iLocationAccuracy", DEFAULT_LOCATION_ACCURACY);
    
    bShowGrid = prefs.getBoolean("bShowGrid", true);
    bLocationEditDecimal = prefs.getBoolean("bLocationEditDecimal", true);
    
    sEmailAddress = prefs.getString("sEmailAddress", "");
    sAccessCode = prefs.getString("sAccessCode", "");    
  }
    
  public boolean save()
  {
    try
    {
      SharedPreferences.Editor editor = prefs.edit();
      
      editor.putInt("iMeasureMode", iMeasureMode);

      editor.putInt("iSecondsBetweenLocationUpdate", iSecondsBetweenLocationUpdate);
      editor.putInt("iLocationAccuracy", iLocationAccuracy);
      
      editor.putBoolean("bShowGrid", bShowGrid);
      editor.putBoolean("bLocationEditDecimal", bLocationEditDecimal);
      
      editor.putString("sEmailAddress", sEmailAddress);
      editor.putString("sAccessCode", sAccessCode);
        
      editor.commit();
      
      return true;
    } catch (Exception e) {
      return false;
    }
  }
  
  public int getUpdatePeriodItemIndex()
  {
    return vecUpdatePeriodSeconds.indexOf(new Integer(iSecondsBetweenLocationUpdate));
  }
  
  public void setUpdatePeriodItemIndex(int index)
  {
    final int iValue = vecUpdatePeriodSeconds.get(index);    
    iSecondsBetweenLocationUpdate = iValue;
  }
  
  public int getLocationAccuracyIndex()
  {
    return vecLocationAccuracy.indexOf(new Integer(iLocationAccuracy));    
  }

  public void setLocationAccuracyIndex(int index)
  {
    final int iValue = vecLocationAccuracy.get(index);    
    iLocationAccuracy = iValue;
  }
  
}