/// <summary>
/// Populate the possible <see cref="PossibleFiniteState"/> rows
/// </summary>
protected override void PopulatePossibleState()
{
this.PossibleState.Clear();
var defaultStateIid = (this.Thing.DefaultState == null) ? Guid.Empty : this.Thing.DefaultState.Iid;
foreach (PossibleFiniteState thing in this.Thing.PossibleState.Where(t => t.ChangeKind != ChangeKind.Delete))
{
var row = new PossibleFiniteStateRowViewModel(thing, this.Session, this);
this.PossibleState.Add(row);
row.Index = this.Thing.PossibleState.IndexOf(thing);
row.IsDefault = thing.Iid == defaultStateIid;
}
this.SelectedDefaultState = this.PossibleState.Select(s => s.Thing).SingleOrDefault(x => x.Iid == defaultStateIid);
}
/// <summary>
/// Populate the <see cref="PossibleFiniteState"/> row list
/// </summary>
private void PopulateFiniteState()
{
var currentPossibleStates = this.ContainedRows.Select(x => (PossibleFiniteState)x.Thing).ToList();
var updatedPossibleStates = this.Thing.PossibleState.ToList();
var newPossibleStates = updatedPossibleStates.Except(currentPossibleStates).ToList();
var oldPossibleStates = currentPossibleStates.Except(updatedPossibleStates).ToList();
foreach (var statelist in newPossibleStates)
{
var row = new PossibleFiniteStateRowViewModel(statelist, this.Session, this);
row.Index = this.Thing.PossibleState.IndexOf(statelist);
this.ContainedRows.Add(row);
}
foreach (var statelist in oldPossibleStates)
{
var row = this.ContainedRows.SingleOrDefault(x => x.Thing == statelist);
if (row != null)
{
this.ContainedRows.RemoveAndDispose(row);
}
}
var rowsToUpdate = this.ContainedRows.Where(x => this.Thing.PossibleState.Contains(x.Thing)).ToList();
foreach (var row in rowsToUpdate.OfType <PossibleFiniteStateRowViewModel>())
{
row.IsDefault = row.Thing.IsDefault;
}
// Reorder the list if necessary
if (!this.Thing.PossibleState.SequenceEqual(this.ContainedRows.Select(x => x.Thing)))
{
this.ContainedRows.Sort((c1, c2) => this.Thing.PossibleState.FindIndex(c => c.Iid == c1.Thing.Iid) - this.Thing.PossibleState.FindIndex(c => c.Iid == c2.Thing.Iid));
}
}
