src/ro/ieval/unical/Utils.java

   1 package ro.ieval.unical;
   2
   3 import java.util.GregorianCalendar;
   4 import java.util.Locale;
   5
   6 import android.app.AlarmManager;
   7 import android.app.PendingIntent;
   8 import android.content.ContentValues;
   9 import android.content.Context;
  10 import android.content.Intent;
  11 import android.database.Cursor;
  12 import android.database.SQLException;
  13 import android.database.sqlite.SQLiteDatabase;
  14 import android.view.View;
  15 import android.view.ViewGroup;
  16
  17 final class Utils {
  18         private Utils(){ /* do nothing */ }
  19
  20         public static void setEnabledRecursively(final View view, final boolean enabled){
  21                 view.setEnabled(enabled);
  22                 if(view instanceof ViewGroup){
  23                         final ViewGroup group=(ViewGroup) view;
  24                         for(int i=0;i<group.getChildCount();i++)
  25                                 setEnabledRecursively(group.getChildAt(i), enabled);
  26                 }
  27         }
  28
  29         public static String formatDate(final int year, final int month, final int day){
  30                 return String.format(Locale.ENGLISH, "%4d-%02d-%02d", year, month, day);
  31         }
  32
  33         public static void addAlarm(final Application application, final long time, final long eventId) throws SQLException{
  34                 final SQLiteDatabase db = application.alarmOpenHelper.getWritableDatabase();
  35                 final ContentValues values = new ContentValues(2);
  36                 values.put(AlarmOpenHelper.TIME, time);
  37                 values.put(AlarmOpenHelper.EVENT, eventId);
  38                 db.insertOrThrow(AlarmOpenHelper.TABLE, null, values);
  39                 setAlarm(application, time, eventId);
  40         }
  41
  42         public static void deleteAlarm(final Application application, final long time) throws SQLException{
  43                 final SQLiteDatabase db = application.alarmOpenHelper.getWritableDatabase();
  44                 db.delete(AlarmOpenHelper.TABLE, AlarmOpenHelper.TIME + " = " + time, new String[0]);
  45                 unsetAlarm(application, time);
  46         }
  47
  48         public static Long[] getAlarmsByEvent(final Application application, final long eventId) throws SQLException{
  49                 final SQLiteDatabase db = application.alarmOpenHelper.getWritableDatabase();
  50                 db.delete(AlarmOpenHelper.TABLE, AlarmOpenHelper.TIME + " < " + System.currentTimeMillis(), new String[0]);
  51                 final Cursor cursor = db.query(AlarmOpenHelper.TABLE, new String[]{AlarmOpenHelper.TIME}, AlarmOpenHelper.EVENT + " = " + eventId, new String[0], null, null, null);
  52                 if(cursor.moveToFirst()){
  53                         final Long[] ret = new Long[cursor.getCount()];
  54                         for(int i=0;i<ret.length;i++){
  55                                 ret[i]=cursor.getLong(0);
  56                                 cursor.moveToNext();
  57                         }
  58                         return ret;
  59                 }
  60                 return new Long[0];
  61         }
  62
  63         public static void setAlarm(final Context context, final long time, final long eventId){
  64                 final Intent intent = new Intent(context, AlarmReceiverActivity.class);
  65                 intent.setAction(Long.toString(time));
  66                 intent.putExtra(AlarmReceiverActivity.EXTRA_EVENT, eventId);
  67                 final AlarmManager man = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
  68                 man.set(AlarmManager.RTC_WAKEUP, time, PendingIntent.getActivity(context, 0, intent, 0));
  69         }
  70
  71         public static void unsetAlarm(final Context context, final long time){
  72                 final Intent intent = new Intent(context, AlarmReceiverActivity.class);
  73                 intent.setAction(Long.toString(time));
  74                 final AlarmManager man = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
  75                 man.cancel(PendingIntent.getActivity(context, 0, intent, 0));
  76         }
  77 }