/// <summary>
/// Unions the specified interval.
/// </summary>
/// <param name="interval">The interval.</param>
/// <returns></returns>
public DateTimeInterval Union(DateTimeInterval interval)
{
return(new DateTimeInterval
(
DateTimeUtility.Min
(
Beginning,
interval.Beginning),
DateTimeUtility.Max
(
Ending,
interval.Ending)));
}
/// <summary>
/// Converts the given object to the type of this converter,
/// using the specified context and culture information.
/// </summary>
/// <returns>
/// An <see cref="System.Object"/>
/// that represents the converted value.
/// </returns>
/// <param name="culture">The
/// <see cref="T:System.Globalization.CultureInfo"/>
/// to use as the current culture.</param>
/// <param name="context">An
/// <see cref="T:System.ComponentModel.ITypeDescriptorContext"/>
/// that provides a format context.</param>
/// <param name="value">The <see cref="T:System.Object"/>
/// to convert.</param>
/// <exception cref="T:System.NotSupportedException">
/// The conversion cannot be performed.</exception>
public override object ConvertFrom
(
ITypeDescriptorContext context,
CultureInfo culture,
object value)
{
string text = value as string;
if (!string.IsNullOrEmpty(text))
{
return(DateTimeInterval.Parse
(
text,
culture));
}
return(base.ConvertFrom
(
context,
culture,
value));
}
/// <summary>
/// Converts the given value object to the specified type,
/// using the specified context and culture information.
/// </summary>
/// <returns>
/// An <see cref="T:System.Object"/>
/// that represents the converted value.
/// </returns>
/// <param name="culture">A
/// <see cref="T:System.Globalization.CultureInfo"/>.
/// If null is passed, the current culture is assumed.</param>
/// <param name="context">An
/// <see cref="T:System.ComponentModel.ITypeDescriptorContext"/>
/// that provides a format context.</param>
/// <param name="destinationType">The <see cref="T:System.Type"/>
/// to convert the value parameter to.</param>
/// <param name="value">The <see cref="T:System.Object"/>
/// to convert.</param>
/// <exception cref="T:System.NotSupportedException">The conversion
/// cannot be performed.</exception>
/// <exception cref="T:System.ArgumentNullException">The
/// <paramref name="destinationType"/> parameter is <c>null</c>.
/// </exception>
public override object ConvertTo
(
ITypeDescriptorContext context,
CultureInfo culture,
object value,
Type destinationType)
{
DateTimeInterval interval = value as DateTimeInterval;
if ((interval != null) &&
(destinationType == typeof(string)))
{
return(interval.ToString());
}
return(base.ConvertTo
(
context,
culture,
value,
destinationType));
}
/// <summary>
/// Determines whether the specified <see cref="T:System.Object"></see> is equal to the current <see cref="T:System.Object"></see>.
/// </summary>
/// <param name="obj">The <see cref="T:System.Object"></see> to compare with the current <see cref="T:System.Object"></see>.</param>
/// <returns>
/// true if the specified <see cref="T:System.Object"></see> is equal to the current <see cref="T:System.Object"></see>; otherwise, false.
/// </returns>
public override bool Equals(object obj)
{
if (this == obj)
{
return(true);
}
DateTimeInterval dateTimeInterval = obj as DateTimeInterval;
if (dateTimeInterval == null)
{
return(false);
}
return(Equals
(
_beginning,
dateTimeInterval._beginning) && Equals
(
_ending,
dateTimeInterval
._ending));
}
/// <summary>
/// Determines whether the <see cref="DateTimeInterval"/>
/// overlaps with the specified interval.
/// </summary>
/// <param name="interval">Interval to check.</param>
/// <returns><c>true</c> if two intervals overlaps;
/// otherwise, <c>false</c>.</returns>
public bool Overlaps(DateTimeInterval interval)
{
return(Contains(interval.Beginning) ||
Contains(interval.Ending));
}
/// <summary>
/// Determines whether the <see cref="DateTimeInterval"/>
/// contains the specified interval.
/// </summary>
/// <param name="interval">Interval to check.</param>
/// <returns>
/// <c>true</c> if the <see cref="DateTimeInterval"/>contains
/// the specified interval; otherwise, <c>false</c>.
/// </returns>
public bool Contains(DateTimeInterval interval)
{
return(Contains(interval.Beginning) &&
Contains(interval.Ending));
}
