Android Open Source - salaya-tram-map Trams Schedule

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License

The source code is released under:

Unless otherwise noted, this software is Copyright 2011 Pawit Pornkitprasan and is licensed under the Simplified BSD License. Copyright 2011 Pawit Pornkitprasan. All rights reserved. Red...

Java Source Code

package org.dyndns.pawitp.salayatrammap.schedule;
//from w  ww . j  a va  2 s . c  o m
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.text.format.Time;
import android.util.Log;

public class TramsSchedule {
  
  private static final String TAG = "TramsSchedule";
  
  public static final int TRAM_GREEN = 0;
  public static final int TRAM_BLUE = 1;
  public static final int TRAM_RED = 2;
  
  private static final int TRAMS_COUNT = 3;
  
  private static final String KEY_DATE = "holiday_date";
  private static final String KEY_HOLIDAY = "holiday";
  
  private TramCarSchedule[] mTramCarSchedules = new TramCarSchedule[TRAMS_COUNT];
  private boolean mIsHoliday;
  private Context mContext;
  
  private static final Integer[][] OTHER_NORMAL_SCHEDULE = {
    {6, 30}, {6, 40}, {6, 50}, {7, 00}, {7, 10}, {7, 20}, {7, 30}, {7, 40}, {7, 50},
    {8, 00}, {8, 10}, {8, 20}, {8, 30}, {8, 40}, {8, 50}, {9, 00}, {9, 20}, {9, 40},
    {10, 00}, {10, 20}, {10, 40}, {11, 00}, {11, 10}, {11, 20}, {11, 30}, {11, 40},
    {11, 50}, {12, 00}, {12, 10}, {12, 20}, {12, 30}, {12, 40}, {12, 50}, {13, 00},
    {13, 10}, {13, 20}, {13, 30}, {13, 40}, {13, 50}, {14, 00}, {14, 20}, {14, 40},
    {15, 00}, {15, 20}, {15, 40}, {16, 00}, {16, 10}, {16, 20}, {16, 30}, {16, 40},
    {16, 50}, {17, 00}, {17, 10}, {17, 20}, {17, 30}, {17, 40}, {17, 50}, {18, 00},
    {18, 10}, {18, 20}, {18, 30}, {18, 40}, {19, 00}, {19, 20}, {19, 40}, {20, 00},
  };

  private static final Integer[][] OTHER_HOLIDAY_SCHEDULE = {
    {8, 00}, {8, 20}, {8, 40}, {9, 00}, {9, 20}, {9, 40}, {10, 00}, {10, 20}, {10, 40},
    {11, 00}, {11, 20}, {11, 40}, {12, 00}, {12, 20}, {12, 40}, {13, 00}, {13, 20},
    {13, 40}, {14, 00}, {14, 20}, {14, 40}, {15, 00}, {15, 20}, {15, 40}, {16, 00},
    {16, 20}, {16, 40}, {17, 00}, {17, 20}, {17, 40}, {18, 00},
  };

  private static final Integer[][] GREEN_NORMAL_SCHEDULE = {
    {6, 35}, {6, 45}, {6, 55}, {7, 05}, {7, 15}, {7, 25}, {7, 35}, {7, 45}, {7, 55},
    {8, 05}, {8, 15}, {8, 25}, {8, 35}, {8, 45}, {8, 55}, {9, 05}, {9, 25}, {9, 45},
    {10, 05}, {10, 25}, {10, 45}, {11, 05}, {11, 15}, {11, 25}, {11, 35}, {11, 45},
    {11, 55}, {12, 05}, {12, 15}, {12, 25}, {12, 35}, {12, 45}, {12, 55}, {13, 05},
    {13, 15}, {13, 25}, {13, 35}, {13, 45}, {13, 55}, {14, 05}, {14, 25}, {14, 45},
    {15, 05}, {15, 25}, {15, 45}, {16, 05}, {16, 15}, {16, 25}, {16, 35}, {16, 45},
    {16, 55}, {17, 05}, {17, 15}, {17, 25}, {17, 35}, {17, 45}, {17, 55}, {18, 05},
    {18, 15}, {18, 25}, {18, 35}, {18, 45}, {19, 05}, {19, 25}, {19, 45}, {20, 05},
  };

  private static final Integer[][] GREEN_HOLIDAY_SCHEDULE = {
    {8, 05}, {8, 25}, {8, 45}, {9, 05}, {9, 25}, {9, 45}, {10, 05}, {10, 25}, {10, 45},
    {11, 05}, {11, 25}, {11, 45}, {12, 05}, {12, 25}, {12, 45}, {13, 05}, {13, 25},
    {13, 45}, {14, 05}, {14, 25}, {14, 45}, {15, 05}, {15, 25}, {15, 45}, {16, 05},
    {16, 25}, {16, 45}, {17, 05}, {17, 25}, {17, 45}, {18, 05},
  };
  
  public TramsSchedule(Context context) {
    mContext = context;
    
    mTramCarSchedules[TRAM_GREEN] = new TramCarSchedule();
    mTramCarSchedules[TRAM_BLUE] = new TramCarSchedule();
    mTramCarSchedules[TRAM_RED] = new TramCarSchedule();
  }
  
  public TramCarSchedule getSchedule(int tram) {
    return mTramCarSchedules[tram];
  }
  
  public long getNextUpdateTime() {
    long updateTime = Long.MAX_VALUE;
    
    for (TramCarSchedule schedule : mTramCarSchedules) {
      long tramUpdateTime = schedule.getUpdateTime();
      if (tramUpdateTime < updateTime) {
        updateTime = tramUpdateTime;
      }
    }
    
    Log.v(TAG, "Updating in: " + updateTime);
    return updateTime;
  }
  
  public boolean isHoliday() {
    return mIsHoliday;
  }
  
  public void setHoliday(boolean isHoliday) {
    // Record if today is a holiday down to a SharedPreferences
    Time time = new Time();
    time.setToNow();
    
    SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(mContext);
    SharedPreferences.Editor prefEditor = pref.edit();
    prefEditor.putLong(KEY_DATE, time.toMillis(false));
    prefEditor.putBoolean(KEY_HOLIDAY, isHoliday);
    prefEditor.commit();
  }
  
  // Always call before using any of my functions!
  // this functions also triggers calculation of next tram (for use with next update time)
  public void updateSchedules() {
    updateHoliday();
    
    if (!isHoliday()) {
      mTramCarSchedules[TRAM_GREEN].updateSchedule(GREEN_NORMAL_SCHEDULE);
      mTramCarSchedules[TRAM_BLUE].updateSchedule(OTHER_NORMAL_SCHEDULE);
      mTramCarSchedules[TRAM_RED].updateSchedule(OTHER_NORMAL_SCHEDULE);  
    }
    else {
      mTramCarSchedules[TRAM_GREEN].updateSchedule(GREEN_HOLIDAY_SCHEDULE);
      mTramCarSchedules[TRAM_BLUE].updateSchedule(OTHER_HOLIDAY_SCHEDULE);
      mTramCarSchedules[TRAM_RED].updateSchedule(OTHER_HOLIDAY_SCHEDULE);
    }
  }
  
  private void updateHoliday() {
    // Check for override
    SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(mContext);
    
    Time timeRecorded = new Time();
    timeRecorded.set(pref.getLong(KEY_DATE, 0));
    Time time = new Time();
    time.setToNow();
    
    if (timeRecorded.year == time.year && timeRecorded.yearDay == time.yearDay) {
      // Stored override still valid
      mIsHoliday = pref.getBoolean(KEY_HOLIDAY, false);
    }
    else { // check weekend/weekday
      if (time.weekDay == Time.SATURDAY || time.weekDay == Time.SUNDAY) {
        mIsHoliday = true;
      }
      else {
        mIsHoliday = false;
      }
    }
  }
  
}

Java Source Code List

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