/// <summary>
/// Initializes a new instance of the <see cref="Conductor<T>.Collection.AllActive"/> class.
/// </summary>
public AllActive()
{
_items.CollectionChanged += (s, e) =>
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
e.NewItems.OfType <IChild>().ForEach(x => x.Parent = this);
break;
case NotifyCollectionChangedAction.Remove:
e.OldItems.OfType <IChild>().ForEach(x => x.Parent = null);
break;
case NotifyCollectionChangedAction.Replace:
e.NewItems.OfType <IChild>().ForEach(x => x.Parent = this);
e.OldItems.OfType <IChild>().ForEach(x => x.Parent = null);
break;
case NotifyCollectionChangedAction.Reset:
_items.OfType <IChild>().ForEach(x => x.Parent = this);
break;
}
};
CloseStrategy = new AllOrNoneCloseStrategy <T>();
}
public AllActive()
{
items.CollectionChanged += (s, e) =>
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
e.NewItems.OfType <IChild>().Apply(x => x.Parent = this);
break;
case NotifyCollectionChangedAction.Remove:
e.OldItems.OfType <IChild>().Apply(x => x.Parent = null);
break;
case NotifyCollectionChangedAction.Replace:
e.NewItems.OfType <IChild>().Apply(x => x.Parent = this);
e.OldItems.OfType <IChild>().Apply(x => x.Parent = null);
break;
case NotifyCollectionChangedAction.Reset:
items.OfType <IChild>().Apply(x => x.Parent = this);
break;
}
};
}
private void OnBlockSymbolsRemoveAtEventHandler(int indexAt, BlockSymbol blockSymbol)
{
var toBeRemoved = _symbolVms.OfType <BlockViewModel>().FirstOrDefault(b => b.Id == blockSymbol.Id);
if (toBeRemoved != null)
{
SymbolVms.Remove(toBeRemoved);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Conductor<T>.Collection.AllActive"/> class.
/// </summary>
public AllActive()
{
items.CollectionChanged += (s, e) =>
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
e.NewItems.OfType <IChild>().Apply(x => x.Parent = this);
break;
case NotifyCollectionChangedAction.Remove:
e.OldItems.OfType <IChild>().Apply(x => x.Parent = null);
break;
case NotifyCollectionChangedAction.Replace:
e.NewItems.OfType <IChild>().Apply(x => x.Parent = this);
e.OldItems.OfType <IChild>().Apply(x => x.Parent = null);
break;
case NotifyCollectionChangedAction.Reset:
items.OfType <IChild>().Apply(x => x.Parent = this);
break;
}
};
CloseGuard = () =>
{
var tcs = new TaskCompletionSource <bool>();
CloseStrategy.Execute(items.ToList(), (canClose, closable) =>
{
if (!canClose && closable.Any())
{
closable.OfType <IDeactivate>().Apply(x => x.Deactivate(true));
items.RemoveRange(closable);
}
tcs.SetResult(canClose);
});
return(tcs.Task);
};
}
/// <summary>
/// Initializes a new instance of the <see cref="Conductor<T>.Collection.OneActive"/> class.
/// </summary>
public OneActive()
{
items.CollectionChanged += (s, e) =>
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
e.NewItems.OfType <IChild>().Apply(x => x.Parent = this);
break;
case NotifyCollectionChangedAction.Remove:
e.OldItems.OfType <IChild>().Apply(x => x.Parent = null);
break;
case NotifyCollectionChangedAction.Replace:
e.NewItems.OfType <IChild>().Apply(x => x.Parent = this);
e.OldItems.OfType <IChild>().Apply(x => x.Parent = null);
break;
case NotifyCollectionChangedAction.Reset:
items.OfType <IChild>().Apply(x => x.Parent = this);
break;
}
};
CloseGuard = () =>
{
var tcs = new TaskCompletionSource <bool>();
CloseStrategy.Execute(items.ToList(), (canClose, closable) =>
{
if (!canClose && closable.Any())
{
if (closable.Contains(ActiveItem))
{
var list = items.ToList();
var next = ActiveItem;
do
{
var previous = next;
next = DetermineNextItemToActivate(list, list.IndexOf(previous));
list.Remove(previous);
} while (closable.Contains(next));
var previousActive = ActiveItem;
ChangeActiveItem(next, true);
items.Remove(previousActive);
var stillToClose = closable.ToList();
stillToClose.Remove(previousActive);
closable = stillToClose;
}
closable.OfType <IDeactivate>().Apply(x => x.Deactivate(true));
items.RemoveRange(closable);
}
tcs.SetResult(canClose);
});
return(tcs.Task);
};
}
