protected virtual void DaylightShift_RowPersisting(PXCache cache, PXRowPersistingEventArgs e)
{
DaylightShift row = e.Row as DaylightShift;
if (row == null || row.Year == null || row.TimeZone == null || row.IsActive == true)
{
return;
}
DaylightSavingTime dts = GetDST(row.TimeZone, (int)row.Year);
if ((dts != null && dts.IsActive &&
row.FromDate == dts.Start && row.ToDate == dts.End && row.Shift == (int)dts.DaylightOffset.TotalMinutes)
||
(row.FromDate == null && row.ToDate == null && row.Shift == null))
{
DaylightShift savedRow = PXSelectReadonly <DaylightShift,
Where <DaylightShift.year, Equal <Current <DaylightShiftFilter.year> >,
And <DaylightShift.timeZone, Equal <Required <DaylightShift.timeZone> > > > > .SelectWindowed(this, 0, 1, row.TimeZone);
row.FromDate = savedRow.FromDate;
row.ToDate = savedRow.ToDate;
row.Shift = savedRow.Shift;
}
}
protected virtual void DaylightShift_RowUpdated(PXCache sender, PXRowUpdatedEventArgs e)
{
DaylightShift row = e.Row as DaylightShift;
if (row == null || row.Year == null || row.TimeZone == null)
{
return;
}
bool isEditable = row.IsActive == true;
if (isEditable)
{
DefaultEditableRow(row);
}
else
{
DaylightSavingTime dts = GetDST(row.TimeZone, (int)row.Year);
if (dts != null && dts.IsActive)
{
row.FromDate = dts.Start;
row.ToDate = dts.End;
row.Shift = (int)dts.DaylightOffset.TotalMinutes;
}
else
{
row.ToDate = null;
row.FromDate = null;
row.Shift = null;
}
}
}
protected override CalendarEvent ConvertToEntity(Func <string, bool, string> getField)
{
var timeZoneId = getField("TimeZoneId", false);
var eventName = getField("EventName", false);
var endDate = getField("EndDate", false);
CalendarEvent newEntity;
if (string.IsNullOrEmpty(timeZoneId)) // when timezoneid is null means Holiday
{
if (string.IsNullOrEmpty(eventName))
{
throw new NoNullAllowedException();
}
newEntity = new Holiday {
Country = _country.ToString(), EventName = eventName
};
}
else
{
if (string.IsNullOrEmpty(endDate))
{
throw new NoNullAllowedException();
}
newEntity = new DaylightSavingTime {
EventName = "DST", TimeZone = TimeZoneInfo.FindSystemTimeZoneById(timeZoneId)
};
}
newEntity.Start = Convert.ToDateTime(getField("StartDate", true));
newEntity.End = string.IsNullOrEmpty(endDate) ? newEntity.Start.AddDays(1) : Convert.ToDateTime(endDate);
return(newEntity);
}
private void DefaultEditableRow(DaylightShift row)
{
DaylightShift savedRow = PXSelectReadonly <DaylightShift,
Where <DaylightShift.year, Equal <Current <DaylightShiftFilter.year> >,
And <DaylightShift.timeZone, Equal <Required <DaylightShift.timeZone> > > > > .SelectWindowed(this, 0, 1, row.TimeZone);
DateTime newDate = DateTime.UtcNow.Date;
newDate = new DateTime((int)row.Year, newDate.Month, newDate.Day) + new TimeSpan(12, 0, 0);
DateTime start = newDate;
DateTime end = newDate.AddDays(1D);
int shift = 60;
DaylightSavingTime dts = GetDST(row.TimeZone, newDate.Year);
if (dts != null && dts.IsActive)
{
start = dts.Start;
end = dts.End;
shift = (int)dts.DaylightOffset.TotalMinutes;
}
if (savedRow != null)
{
row.Year = savedRow.Year;
if (row.ToDate == null || row.ToDate == end)
{
row.ToDate = savedRow.ToDate;
}
if (row.FromDate == null || row.FromDate == start)
{
row.FromDate = savedRow.FromDate;
}
if (row.Shift == null || row.Shift == shift)
{
row.Shift = savedRow.Shift;
}
}
else
{
if (row.Year == null)
{
row.Year = newDate.Year;
}
if (row.ToDate == null)
{
row.ToDate = end;
}
if (row.FromDate == null)
{
row.FromDate = start;
}
if (row.Shift == null)
{
row.Shift = shift;
}
}
}
public IDialogBoxPresenter OpenAddDstDialog(IDialogBoxPresenter dialog)
{
NewCalendarEvent = new DaylightSavingTime()
{
TimeZone = SelectedTimeZone
};
BeforeDialog(dialog);
dialog.Text = "DST";
return(dialog);
}
public bool IsAmbiguousTime(DateTime dateTime)
{
DaylightSavingTime daylightSavingTime = new DaylightSavingTime(dateTime.Year, this);
Func <DaylightSavingTime, DateTime, bool> isAmbiguous = (dst, dt) => dst.IsActive && dateTime >= dst.End - dst.Offset && dateTime <= dst.End;
if (isAmbiguous(daylightSavingTime, dateTime))
{
return(true);
}
if (daylightSavingTime.Start.Year < daylightSavingTime.End.Year) // for southern hemisphere
{
daylightSavingTime = new DaylightSavingTime(dateTime.Year - 1, this);
return(isAmbiguous(daylightSavingTime, dateTime));
}
return(false);
}
