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Comments (5)

anaisbetts avatar anaisbetts commented on March 28, 2024

How about instead:

source.ObserveCollectionItemChanged<T>()
    .Where(updateFilter)
    .Select(x => new { Item = x.Sender, Match = filter(x.Sender) })
    .ObserveOn(RxApp.DeferredScheduler)
    .Subscribe(x => {
        if (x.Match) {
            updateItem(x);
        } else {
            removeItem(x);
        }
    });

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DamianReeves avatar DamianReeves commented on March 28, 2024

I tried this in my unit tests and it works also (much nicer by the way).

source.ObserveCollectionItemChanged<T>()
    .Where(updateFilter)
    .Select(x => new { Item = x.Sender, Match = filter(x.Sender) })
    .ObserveOn(RxApp.DeferredScheduler)
    .Subscribe(x => {
        if (x.Match) {
            updateItem(x.Item);
        } else {
            removeItem(x.Item);
        }
    });

Note: the x.Item change

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anaisbetts avatar anaisbetts commented on March 28, 2024

hwhoops. Looks good, send me a PR!

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DamianReeves avatar DamianReeves commented on March 28, 2024

This issues seems to have been reintroduced in the latest source code version. The code fix is gone.

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anaisbetts avatar anaisbetts commented on March 28, 2024

ObservableCollectionView is deprecated, you want to use CreateDerivedCollection.

On Fri, Mar 23, 2012 at 7:38 PM, DamianReeves
[email protected]
wrote:

This issues seems to have been reintroduced in the latest source code version. The code fix is gone.


Reply to this email directly or view it on GitHub:
https://github.com/xpaulbettsx/ReactiveUI/issues/44#issuecomment-4671177

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