public void TryParse_EmptyString_NoSuccess()
{
TimeItem ti;
Assert.IsFalse(TimeItem.TryParse(string.Empty, out ti));
Assert.IsNull(ti);
}
public void TryParse_HourAndMinute_ParseIt()
{
TimeItem ti;
Assert.IsTrue(TimeItem.TryParse("1:2", out ti));
Assert.AreEqual(1, ti.Hour);
Assert.AreEqual(2, ti.Minute);
}
public void TryParse_OnlyHour_ParseIt()
{
TimeItem ti;
Assert.IsTrue(TimeItem.TryParse("1", out ti));
Assert.AreEqual(1, ti.Hour);
Assert.AreEqual(0, ti.Minute);
}
public void TryParse_OutOfRange_Throw()
{
TimeItem ti;
Assert.Throws <ArgumentOutOfRangeException>(() => TimeItem.TryParse("25:0", out ti));
Assert.Throws <ArgumentOutOfRangeException>(() => TimeItem.TryParse("-1:0", out ti));
Assert.Throws <ArgumentOutOfRangeException>(() => TimeItem.TryParse("0:61", out ti));
Assert.Throws <ArgumentOutOfRangeException>(() => TimeItem.TryParse("0:-1", out ti));
}
public void TryParse_HourAndMinuteNoColon_ParseIt()
{
TimeItem ti;
Assert.IsTrue(TimeItem.TryParse("1600", out ti));
Assert.AreEqual(16, ti.Hour);
Assert.AreEqual(0, ti.Minute);
Assert.IsTrue(TimeItem.TryParse("630", out ti));
Assert.AreEqual(6, ti.Hour);
Assert.AreEqual(30, ti.Minute);
}
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
var tiAsString = value as string;
if (tiAsString != null)
{
TimeItem ti;
if (TimeItem.TryParse(tiAsString, out ti))
{
return(ti);
}
}
return(Binding.DoNothing);
}
public static string IncDec(string text, int stepsToIncrementBy, INCDEC_OPERATOR incDec, ref int selectionStart)
{
if (!String.IsNullOrWhiteSpace(text))
{
var hoursToIncrementBy = stepsToIncrementBy * 15 / 60f;
var parts = Enumerable.ToList(SplitIntoParts(text));
int idx;
bool moveCursorLeft;
int cursorInPartPosition;
var part = FindPositionPart(parts, selectionStart, out idx, out cursorInPartPosition);
var newPart = part;
if (idx == 0 || (parts[0] == WorkDayParser.automaticPauseDeactivation && idx == 1))
{
// is daystart, has no -
TimeItem ti;
if (TimeItem.TryParse(part, out ti))
{
var tiIncremented = IncDecTimeItem(incDec, ti, hoursToIncrementBy);
newPart = String.Format((string)"{0}", (object)tiIncremented.ToShortString());
}
}
else if (part.StartsWith(WorkDayParser.endTimeStartChar.ToString()))
{
TimeItem ti;
if (TimeItem.TryParse(part.TrimStart(WorkDayParser.endTimeStartChar), out ti))
{
var tiIncremented = IncDecTimeItem(incDec, ti, hoursToIncrementBy);
newPart = String.Format("{0}{1}", WorkDayParser.endTimeStartChar, tiIncremented.ToShortString());
}
}
else
{
double t;
if (Double.TryParse(part, NumberStyles.Any, CultureInfo.InvariantCulture, out t))
{
double hIncremented = t;
if (incDec == INCDEC_OPERATOR.INCREMENT)
{
hIncremented += hoursToIncrementBy;
}
else if ((hIncremented - hoursToIncrementBy) >= 0)
{
// do not go below zero
hIncremented -= hoursToIncrementBy;
}
newPart = hIncremented.ToString(CultureInfo.InvariantCulture);
}
}
// check if we need to move cursor to left
if (cursorInPartPosition > newPart.Length)
{
selectionStart = selectionStart - cursorInPartPosition + newPart.Length;
}
if (idx >= 0)
{
parts[idx] = newPart;
}
return(parts.Aggregate(String.Empty, (aggr, s) => aggr + s));
}
return(String.Empty);
}
