private void setDailyNotes(Dialog dialog) {
    if (selectedCell == null) {
      Toast.makeText(this, R.string.error_generic, Toast.LENGTH_SHORT).show();
      return;
    }
    EditText dailyNotesEditText = (EditText) dialog.findViewById(R.id.dailynotes_edit_text);
    String dailyNotes = dailyNotesEditText.getText().toString();

    Calendar c = Calendar.getInstance();
    c.set(Calendar.YEAR, mCalendarView.getYear());
    c.set(Calendar.MONTH, mCalendarView.getMonth());
    c.set(Calendar.DAY_OF_MONTH, selectedCell.getDayOfMonth());

    try {
      mDatabase = mDatabase.open();
      if (dailyNotes.length() == 0) mDatabase.deleteDailyNotes(c);
      else mDatabase.setDailyNote(c, dailyNotes);
      Toast.makeText(this, R.string.daily_notes_saved_toast, Toast.LENGTH_LONG).show();
      mDatabase.close();
      mCalendarView.invalidate();

    } catch (Exception e) {
      Toast.makeText(this, R.string.error_generic, Toast.LENGTH_SHORT).show();
      return;
    }
  }
  public void onTouch(Cell cell) {
    selectedCell = cell;
    mStateHolder.mSavedSelectedCell = cell;

    if (cell.getOvertime().equals("") && cell.getShift().equals("") && !cell.existsDailyNote()) {
      Toast.makeText(getApplicationContext(), R.string.long_press_help, Toast.LENGTH_SHORT).show();
      return;
    }
    Bundle data = new Bundle();
    Calendar c = Calendar.getInstance();
    c.set(Calendar.YEAR, mCalendarView.getYear());
    c.set(Calendar.MONTH, mCalendarView.getMonth());
    c.set(Calendar.DAY_OF_MONTH, cell.getDayOfMonth());
    data.putSerializable("date", df.format(c.getTime()));
    float totalHours = 0;
    if (!cell.getOvertime().equals("")) {
      mDatabase = mDatabase.open();
      long overtimeMinutes = mDatabase.getOvertime(c);
      mDatabase.close();
      data.putString("overtime", Helper.formatInterval(overtimeMinutes));
      totalHours += overtimeMinutes / 60f;
    } else {
      data.putString("overtime", getString(R.string.unknown));
    }
    if (cell.existsDailyNote()) {
      mDatabase = mDatabase.open();
      String dailyNotes = mDatabase.getDailyNote(c);
      mDatabase.close();
      data.putString("dailyNotes", dailyNotes);
    } else {
      data.putString("dailyNotes", getString(R.string.unknown));
    }
    if (!cell.getShift().equals("")) {
      Shift s = mShiftTable.get(selectedCell.getShift());
      if (s == null) {
        mDatabase = mDatabase.open();
        s = mDatabase.getShiftObject(c);
        mDatabase.close();
        data.putString("shift", selectedCell.getShift());
      }
      data.putString("shift", s.getName());
      totalHours += s.getHours();
    } else {
      data.putString("shift", getString(R.string.unknown));
    }
    String totalHoursString = Helper.formatInterval(totalHours);
    data.putString("hours", totalHoursString);
    showDialog(DIALOG_DAY_DETAIL, data);
  }
  private void setOvertime(Dialog dialog) {
    if (selectedCell == null) {
      Toast.makeText(this, R.string.error_generic, Toast.LENGTH_SHORT).show();
      return;
    }
    EditText hoursEditText = (EditText) dialog.findViewById(R.id.overtime_hours_edit_text);
    EditText minutesEditText = (EditText) dialog.findViewById(R.id.overtime_minutes_edit_text);
    String hours = hoursEditText.getText().toString();
    String minutes = minutesEditText.getText().toString();

    if (hours.equals("") && minutes.equals("")) {
      Toast.makeText(this, R.string.error_form_complete_something, Toast.LENGTH_SHORT).show();
      return;
    }

    Calendar c = Calendar.getInstance();
    c.set(Calendar.YEAR, mCalendarView.getYear());
    c.set(Calendar.MONTH, mCalendarView.getMonth());
    c.set(Calendar.DAY_OF_MONTH, selectedCell.getDayOfMonth());

    try {
      hours = hours.equals("") ? "0" : hours;
      minutes = minutes.equals("") ? "0" : minutes;
      long hoursFloat = Long.valueOf(hours);
      long minutesFloat = Long.valueOf(minutes);
      long overtimeMinutes = hoursFloat * 60 + minutesFloat;

      mDatabase = mDatabase.open();
      mDatabase.setOvertime(c, overtimeMinutes);
      mDatabase.close();
      mCalendarView.invalidate();

      Toast.makeText(this, R.string.overtime_show_tip, Toast.LENGTH_LONG).show();

    } catch (Exception e) {
      Toast.makeText(this, R.string.error_generic, Toast.LENGTH_SHORT).show();
      return;
    }
  }