public static TimeItem IncDecTimeItem(INCDEC_OPERATOR incDec, TimeItem ti, float hoursToIncrementBy)
{
TimeItem tiIncremented;
if (incDec == INCDEC_OPERATOR.INCREMENT)
{
tiIncremented = ti + hoursToIncrementBy;
}
else
{
tiIncremented = ti - hoursToIncrementBy;
}
return(tiIncremented);
}
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;
if (incDec == INCDEC_OPERATOR.INCREMENT) {
hIncremented = t + hoursToIncrementBy;
} else {
hIncremented = t - 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;
}
public static TimeItem IncDecTimeItem(INCDEC_OPERATOR incDec, TimeItem ti, float hoursToIncrementBy)
{
TimeItem tiIncremented;
if (incDec == INCDEC_OPERATOR.INCREMENT) {
tiIncremented = ti + hoursToIncrementBy;
} else {
tiIncremented = ti - hoursToIncrementBy;
}
return tiIncremented;
}
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);
}