/// <summary>
/// Converts a collection of <see cref="TimeSlot"/> to start end date string.
/// </summary>
/// <param name="value">The collection of time slots.</param>
/// <param name="targetType">This parameter is not used.</param>
/// <param name="parameter">This parameter is not used.</param>
/// <param name="culture">This parameter is not used.</param>
/// <returns>
/// A <see cref="string"/> created from the first time slot's <see cref="TimeSlot.Start"/> and
/// the last time slot's <see cref="TimeSlot.End"/> using "MMMd" as format string. The char '-' is
/// used as a splitter between two dates.
/// <remarks>
/// If <paramref name="value"/> is not <see cref="IEnumerable{T}"/> of <see cref="TimeSlot"/> an empty string is returned.
/// </remarks>
/// </returns>
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var enumerable = value as IEnumerable;
if (enumerable != null)
{
IEnumerable <TimeSlot> timeSlots;
try
{
timeSlots = enumerable.Cast <TimeSlot>().ToList();
}
catch (InvalidCastException)
{
return(string.Empty);
}
var group = new TimeSlotGroup(timeSlots);
DateTime start = group.Start;
DateTime end = group.End.AddMilliseconds(-1);
string startString = start.ToString("d ", culture);
if (start.Month != end.Month)
{
startString += start.GetShortMonthName(culture) + " ";
}
string endString = end.ToString("d ", culture) + end.GetShortMonthName(culture);
return(string.Concat(startString, "- ", endString));
}
return(string.Empty);
}
/// <summary>
/// Responds to a list box selection change by raising a <see cref="System.Windows.Controls.Primitives.Selector.SelectionChanged"/> event.
/// </summary>
/// <param name="e">Provides data for <see cref="System.Windows.Controls.SelectionChangedEventArgs"/>.</param>
protected override void OnSelectionChanged(System.Windows.Controls.SelectionChangedEventArgs e)
{
base.OnSelectionChanged(e);
if (this.shouldUpdateSelectedTimeSlot && this.SelectedItems.Count > 0)
{
var selectedItems = new TimeSlotGroup(this.SelectedItems.Cast <TimeSlot>());
if (selectedItems != this.SelectedTimeSlot)
{
this.SelectedTimeSlot = selectedItems;
}
}
}
private TimeRulerItem GetTimeRulerItemContainer(TimeSlotGroup group)
{
return(this.ItemContainerGenerator.ContainerFromItem(group) as TimeRulerItem);
}
