/// <summary>
/// Update the <see cref="Options"/> List
/// </summary>
private void UpdateOptions()
{
var newOptions = this.Thing.Option.Except(this.Options.Select(x => x.Thing)).ToList();
var oldOptions = this.Options.Select(x => x.Thing).Except(this.Thing.Option).ToList();
foreach (var option in newOptions)
{
var row = new OptionRowViewModel(option, this.Session, this);
row.Index = this.Thing.Option.IndexOf(option);
this.Options.Add(row);
}
foreach (var option in oldOptions)
{
var row = this.Options.SingleOrDefault(x => x.Thing == option);
if (row != null)
{
this.Options.Remove(row);
}
}
this.Options.Sort((o1, o2) => o1.Index.CompareTo(o2.Index));
this.UpdateDefaultOption();
}
/// <summary>
/// Set the default <see cref="Option"/>
/// </summary>
private void UpdateDefaultOption()
{
var defaultOption = this.Thing.DefaultOption;
if (this.defaultOptionRow != null)
{
this.defaultOptionRow.IsDefaultOption = false;
}
if (defaultOption == null)
{
this.defaultOptionRow = null;
return;
}
var row = this.Options.Single(x => x.Thing == defaultOption);
this.defaultOptionRow = row;
row.IsDefaultOption = true;
}