public static void ReactToChanges <T>(this InteractiveCollectionBase <T> col, SHDObject <T> so)
{
//so.IsSelected
// .Throttle(TimeSpan.FromMilliseconds(250))
// .Subscribe(b =>
// {
// if (col.Items?.FirstOrDefault(sof =>((SHDObject<T>) sof).IsSelected.Value == true) != (null))
// ((System.Reactive.Subjects.ISubject<T>)col.Selected).OnNext(col.Items.FirstOrDefault(sof => ((SHDObject<T>)sof).IsSelected.Value == true).Object);
// });
so.WhenPropertyChanged(_ => _.IsSelected).Select(_ => _.Value).Buffer(TimeSpan.FromMilliseconds(250)).Where(_ => _.Count > 0).Where(_ => _.All(a => a == true))
//.Throttle(TimeSpan.FromMilliseconds(250))
.Subscribe(b =>
{
//if (col.Items?.FirstOrDefault(sof => ((SHDObject<T>)sof).IsSelected.Value == true) != (null))
//{
// ((System.Reactive.Subjects.ISubject<T>)col.Selected).OnNext(col.Items.FirstOrDefault(sof => ((SHDObject<T>)sof).IsSelected.Value == true).Object);
((System.Reactive.Subjects.ISubject <KeyValuePair <T, InteractionArgs> >)col.Interactions).OnNext(new KeyValuePair <T, InteractionArgs>(so.Object, new InteractionArgs {
Interaction = Interaction.Select, Value = b.Count
}));
});
so.WhenPropertyChanged(_ => _.IsExpanded).Select(_ => _.Value).Subscribe(_ =>
{
if (_ != null)
{
//((System.Reactive.Subjects.ISubject<T>)col.IsExpanded).OnNext(so == default(SHDObject<T>) ? default(T) : so.Object);
((System.Reactive.Subjects.ISubject <KeyValuePair <T, InteractionArgs> >)col.Interactions).OnNext(new KeyValuePair <T, InteractionArgs>(so.Object, new InteractionArgs {
Interaction = Interaction.Expand, Value = _
}));
((ISubject <KeyValuePair <IContain <T>, ChangeReason> >)col.Changes).OnNext(new KeyValuePair <IContain <T>, ChangeReason>(so, ChangeReason.Update));
}
});
//so.DoubleClickCommand.Subscribe(_ =>
//{
// ((System.Reactive.Subjects.ISubject<KeyValuePair<T, InteractionArgs>>)col.Interactions).OnNext(new KeyValuePair<T, InteractionArgs>(_, new InteractionArgs { Interaction = Interaction.Click, Value = 2 }));
// //((System.Reactive.Subjects.ISubject<T>)col.DoubleClicked).OnNext(so == default(SHDObject<T>) ? default(T) : so.Object);
//});
so.Deletions.Subscribe(_ =>
{
((System.Reactive.Subjects.ISubject <UserCommandArgs>)col.UserCommands).OnNext(new UserCommandArgs {
UserCommand = UserCommand.Delete, Parameter = so.Object
});
//((System.Reactive.Subjects.ISubject<T>)col.Deleted).OnNext(so == default(SHDObject<T>) ? default(T) : so.Object);
});
so.WhenPropertyChanged(_ => _.IsChecked).StartWith(new PropertyValue <SHDObject <T>, bool?>(so, so.IsChecked)).Subscribe(_ =>
{
if (_.Value != null)
{
((System.Reactive.Subjects.ISubject <KeyValuePair <T, InteractionArgs> >)col.Interactions).OnNext(new KeyValuePair <T, InteractionArgs>(so.Object, new InteractionArgs {
Interaction = Interaction.Check, Value = _.Value
}));
((ISubject <KeyValuePair <IContain <T>, ChangeReason> >)col.Changes).OnNext(new KeyValuePair <IContain <T>, ChangeReason>(so, ChangeReason.Update));
}
});
}
public static IObservable <T> GetAdded <T>(this InteractiveCollectionBase <T> bse)
{
return(bse.Interactions.Where(_ => _.Value.Interaction == Interaction.Include && _.Value.Value.Equals(true)).Select(_ => _.Key));
}
public static IObservable <T> GetRemoved <T>(this InteractiveCollectionBase <T> bse)
{
return(bse.UserCommands.Where(_ => _.UserCommand == UserCommand.Delete).Select(_ => (T)_.Parameter));
}
//public static IObservable<T> GetChecked<T>(this InteractiveCollectionBase<T> bse)
//{
// return [email protected]().Select(_=>_.);
//}
public static IObservable <T> GetUnChecked <T>(this InteractiveCollectionBase <T> bse)
{
return(bse.Interactions.Where(_ => _.Value.Interaction == Interaction.Check && _.Value.Value.Equals(false)).Select(_ => _.Key));
}