/// <summary>
/// Gets the house-style description of a period from one date/time to another
/// </summary>
/// <param name="startDate">The start date.</param>
/// <param name="endDate">The end date.</param>
/// <param name="showStartTime">if set to <c>true</c> show start time.</param>
/// <param name="showEndTime">if set to <c>true</c> show end time.</param>
/// <param name="useShortDateText">if set to <c>true</c> omit day name and use short month names.</param>
/// <returns>
/// A text string which includes HTML entities
/// </returns>
public static string DateRange(DateTime startDate, DateTime endDate, bool showStartTime, bool showEndTime, bool useShortDateText)
{
bool multiDay = (startDate.DayOfYear != endDate.DayOfYear || startDate.Year != endDate.Year);
bool showTime = (showStartTime || showEndTime);
bool sameMonth = (startDate.Month == endDate.Month && startDate.Year == endDate.Year);
if (!multiDay && !showTime)
{
/*
* One day, no time
* ---------------------------------------
* Friday 26 May 2006
*/
if (useShortDateText)
{
return(ShortBritishDate(startDate));
}
return(FullBritishDateWithDay(startDate));
}
else if (!multiDay && showStartTime && !showEndTime)
{
/*
* One day, with start time
* ---------------------------------------
* 9am, Friday 26 May 2006
*/
if (useShortDateText)
{
return(ShortBritishDateWithTime(startDate));
}
return(DateTimeFormatter.FullBritishDateWithDayAndTime(startDate));
}
else if (!multiDay && showStartTime && showEndTime)
{
/*
* One day, with start and finish times
* ---------------------------------------
* 9am-2pm, Friday 26 May 2006
*/
if (useShortDateText)
{
return(new StringBuilder(DateTimeFormatter.Time(startDate)).Append(" to ").Append(DateTimeFormatter.Time(endDate)).Append(", ").Append(DateTimeFormatter.ShortBritishDate(startDate)).ToString());
}
return(new StringBuilder(DateTimeFormatter.Time(startDate)).Append(" to ").Append(DateTimeFormatter.Time(endDate)).Append(", ").Append(DateTimeFormatter.FullBritishDateWithDay(startDate)).ToString());
}
else if (multiDay && !showTime && sameMonth)
{
/*
* Different days, no times, same month
* ---------------------------------------
* 26-27 May 2006
*/
if (useShortDateText)
{
return(new StringBuilder(startDate.Day.ToString(CultureInfo.CurrentCulture)).Append(" to ").Append(DateTimeFormatter.ShortBritishDate(endDate)).ToString());
}
return(new StringBuilder(startDate.Day.ToString(CultureInfo.CurrentCulture)).Append(" to ").Append(DateTimeFormatter.FullBritishDate(endDate)).ToString());
}
else if (multiDay && !showTime && !sameMonth)
{
/*
* Different days, no times, different month
* ---------------------------------------
* Friday 26 May 2006 - Thursday 1 June 2006
*/
if (useShortDateText)
{
return(new StringBuilder(DateTimeFormatter.ShortBritishDate(startDate)).Append(" to ").Append(DateTimeFormatter.ShortBritishDate(endDate)).ToString());
}
return(new StringBuilder(DateTimeFormatter.FullBritishDateWithDay(startDate)).Append(" to ").Append(DateTimeFormatter.FullBritishDateWithDay(endDate)).ToString());
}
else if (multiDay && showStartTime && !showEndTime)
{
/*
* Different days, with start time
* ---------------------------------------
* 9am, Friday 26 May 2006 to Saturday 27 May 2006
*/
if (useShortDateText)
{
return(new StringBuilder(DateTimeFormatter.ShortBritishDateWithTime(startDate)).Append(" to ").Append(DateTimeFormatter.ShortBritishDate(endDate)).ToString());
}
return(new StringBuilder(DateTimeFormatter.FullBritishDateWithDayAndTime(startDate)).Append(" to ").Append(DateTimeFormatter.FullBritishDateWithDay(endDate)).ToString());
}
else if (multiDay && showStartTime && showEndTime)
{
/*
* Different days, with start and end time
* ---------------------------------------
* 9am, Friday 26 May 2006 to 2pm, Saturday 27 May 2006
*/
if (useShortDateText)
{
return(new StringBuilder(DateTimeFormatter.ShortBritishDateWithTime(startDate)).Append(" to ").Append(DateTimeFormatter.ShortBritishDateWithTime(endDate)).ToString());
}
return(new StringBuilder(DateTimeFormatter.FullBritishDateWithDayAndTime(startDate)).Append(" to ").Append(DateTimeFormatter.FullBritishDateWithDayAndTime(endDate)).ToString());
}
// Shouldn't get here
return(String.Empty);
}
/// <summary>
/// Get a string in the format 10am, 1 Jan 2004 from a DateTime object
/// </summary>
public static string ShortBritishDateWithTime(DateTime date)
{
return(new StringBuilder(DateTimeFormatter.ShortBritishDate(date)).Append(", ").Append(DateTimeFormatter.Time(date)).ToString());
}