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RxSwift: Reacting to different cell types


RxSwift: Reacting to different cell types

By : user2172540
Date : October 23 2020, 08:10 AM
like below fixes the issue I solved the problem going one level higher and choosing ViewItemProtocol.self as my selected model, since all my ViewItems conform to that protocol. I still do not understand why the approach on my question didn't work though...
code :
tableView.rx
    .modelSelected(ViewItemProtocol.self)
    .subscribe(onNext: { [weak self] viewItem in
        switch viewItem {
        case let item as CarSpecificationViewItem:
            self?.carSpecificationSelected(for: item)
        case is FavoriteHeaderViewItem:
            self?.toggleLike()
        default:
            return
        }
    })
    .disposed(by: disposeBag)


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Tables reacting to click events on a per-cell basis

Tables reacting to click events on a per-cell basis


By : Ritu Raj
Date : March 29 2020, 07:55 AM
I hope this helps . You can adopt the solution described in this Python answer.
A buttonPressEvent callback can be installed in your prepareCols function that checks that the event is a right mouse click, and then decodes the event coordinates into a TreeStore path:
code :
onPathRightClick :: (TreeViewClass view) 
                 => view
                 -> (TreePath -> Int -> IO ()) 
                 -> IO (ConnectId view)
onPathRightClick view callback =
    on view buttonReleaseEvent $ (return False <*) $ runMaybeT $ do
        RightButton <- lift eventButton
        (x, y) <- lift eventCoordinates
        let x' = round x
            y' = round y
        (path, col, _cellpoint) <- MaybeT . liftIO $ treeViewGetPathAtPos view (x', y')
        colIdx <- MaybeT . liftIO $ findIndex (== col) <$> treeViewGetColumns view
        liftIO $ callback path colIdx

prepareCols :: TreeView -> ListStore [String] -> IO ()
prepareCols view store = do
    size <- listStoreGetSize store
    mapM_ (addColumn view store) [0..size-1]
    void $ onPathRightClick view $ \path col -> do
        putStrLn . unwords $ [ "Column:" , show col]
        putStrLn . unwords $ [ "Path:" , show path]
RxSwift table view with multiple custom cell types

RxSwift table view with multiple custom cell types


By : Dubbsix
Date : March 29 2020, 07:55 AM
With these it helps I've managed it using RxSwiftDataSources,
it allow you to use custom cells with multi sections. I've used this code for help
How to return different types from flatMapLatest in RxSwift?

How to return different types from flatMapLatest in RxSwift?


By : yura407
Date : March 29 2020, 07:55 AM
Hope that helps Assuming that the switch case .granted was that the authentication was successful, you can simply return Observable.empty() or Driver.empty().
What does that do?
code :
// Your observable stream / driver sequence
.drive(onCompleted: { [unowned wireframe] in

    let portfoliosNavigationController = UINavigationController(rootViewController: PortfoliosTableViewController())

    wireframe.show(viewController: portfoliosNavigationController)

}
Change cell height on cell tap using RxSwift

Change cell height on cell tap using RxSwift


By : رقية الغريب
Date : March 29 2020, 07:55 AM
I hope this helps you . I've had to deal with this aswel. My solution was as follows; Add a "isExpanded" property to your item and toggle that whenever the user clicks on a cell.
code :
tableView.rx.itemSelected.subscribe(onNext: toggleCell).disposed(by: disposeBag)
func toggleCell(_ indexPath: IndexPath) {
    tableView.beginUpdates()
    let element = dataSource[indexPath]
    element.isExpanded = !element.isExpanded
    tableView.reloadRows(at: [indexPath], with: .automatic)
    tableView.endUpdates()
}
override func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
    let item = dataSource[indexPath]
    if item.isExpanded {
        return 144
    }
    return 44
}
Different types RxSwift

Different types RxSwift


By : user3487088
Date : March 29 2020, 07:55 AM
Hope that helps Based on the types you presented, I'm guessing that you are looking for code something like the below. This code has a lot of accidental complexity because of the excessive use of Optionals (the ?) in the types.
There is virtually no reason for Strings or Arrays to be optional. Logically, an empty string is no different than a nil string (and an empty array is no different than a nil array) in 99.99% of cases. As such, a strong argument would need to be presented to justify making them optional.
code :
func example(_ from: Observable<Response?>) -> Observable<[ViewModel]?> {
    return from
        .map { $0?.shoppingList ?? [] }
        .map { $0.map{ $0.map(ViewModel.init) } }
}

extension ViewModel {
    init(_ shoppingList: ShoppingList) {
        name = shoppingList.name
        offers = shoppingList.offers?.map { ViewModelOffers(fullPrice: $0.fullPrice) }
    }
}
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