Filtered model, but how to use it?

Hi,
we have a JSON model with around 2000 projects, prefetched at startup of the app. That is not an issue and it also runs smoothly on our tested smartphones (because you will never render all of the 2000 on the DOM).
We bind this JSON model to a sap.m.table with growingScrollToLoad active and a threshold of 15 projects (otherwise it’s getting a bit laggy).
We are filtering the list (using sap.ui.model.filter and table.getBinding() of the table). This is working fine without problems. But now we want to have a list of all projects that are currently in the table (so after filtering).
If we use the JSON model to get all projects, the filter is not applied (of course, because we just used the binding of the table). If we use table.getItems(), we just get the items that already got loaded (problem growing).
But we need the list of all projects, after filtering without the need to scroll to the end of the list to get the items loaded…
Anybody an idea how to do that?
Best regards
Ben

Hi Maksim,
thanks for your answer!
The private field aIndices is doing the trick. With that I can look up the indices in the oList to get the corresponding item...
Not sure jet, if this is bound and I can change it directly or if I have to iterate over the model...but this is implementation stuff.
The only real problem, which I see with this solution, is that I am using internal implementations of the binding. It is not documented in the API, because normally nobody should use it. No getter means do not touch it, right?
Has anybody a good idea? Maybe a feature request in the OpenUI git hub repo?
Nevertheless I marked your answer as correct.
Best regards
Ben

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