/// <summary>
/// calculates the axis org and end using the databounds
/// the org / end is adjusted only if it is not fixed
/// and the DataBound object contains valid data
/// </summary>
public override void ProcessDataBounds(AltaxoVariant org, bool orgfixed, AltaxoVariant end, bool endfixed)
{
DateTime dorg;
DateTime dend;
if (org.IsType(AltaxoVariant.Content.VDateTime))
{
dorg = (DateTime)org;
}
else if (org.CanConvertedToDouble)
{
dorg = new DateTime((long)(org.ToDouble() * 1E7));
}
else
{
throw new ArgumentException("Variant org is not a DateTime nor a numeric value");
}
if (end.IsType(AltaxoVariant.Content.VDateTime))
{
dend = (DateTime)end;
}
else if (end.CanConvertedToDouble)
{
dend = new DateTime((long)(end.ToDouble() * 1E7));
}
else
{
throw new ArgumentException("Variant end is not a DateTime nor a numeric value");
}
ProcessDataBounds(dorg, orgfixed, dend, endfixed);
}
private static void ConvertOrgEndToDateTimeValues(AltaxoVariant org, AltaxoVariant end, out DateTime dorg, out DateTime dend)
{
if (org.IsType(AltaxoVariant.Content.VDateTime))
{
dorg = org;
}
else if (org.CanConvertedToDouble)
{
dorg = new DateTime((long)(org.ToDouble() * 1E7));
}
else
{
throw new ArgumentException("Variant org is not a DateTime nor a numeric value");
}
if (end.IsType(AltaxoVariant.Content.VDateTime))
{
dend = end;
}
else if (end.CanConvertedToDouble)
{
dend = new DateTime((long)(end.ToDouble() * 1E7));
}
else
{
throw new ArgumentException("Variant end is not a DateTime nor a numeric value");
}
}
protected override string FormatItem(AltaxoVariant item)
{
if (item.IsType(AltaxoVariant.Content.VDateTime) && !string.IsNullOrEmpty(_formatString))
{
var dt = item.ToDateTime();
switch (_timeConversion)
{
case TimeConversion.ToLocal:
dt = dt.ToLocalTime();
break;
case TimeConversion.ToUtc:
dt = dt.ToUniversalTime();
break;
}
bool showAlternate = false;
showAlternate |= (_showAlternateFormattingAtMidnight && Math.Abs(dt.TimeOfDay.TotalSeconds) < 1);
showAlternate |= (_showAlternateFormattingAtNoon && Math.Abs((dt.TimeOfDay - TimeSpan.FromHours(12)).TotalSeconds) < 1);
try
{
return(string.Format(showAlternate ? _formatStringAlternate : _formatString, dt));
}
catch (Exception)
{
}
}
return(item.ToString());
}