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/// Shows a list of languages. | |
class LanguageListViewController: UIViewController { | |
private let _cancel = PublishSubject<Void>() | |
var didCancel: Observable<Void> { return _cancel.asObservable() } | |
private let _selectLanguage = PublishSubject<String>() | |
var didSelectLanguage: Observable<String> { return _selectLanguage.asObservable() } | |
private func setupBindings() { | |
cancelButton.rx.tap | |
.bind(to: _cancel) | |
.disposed(by: disposeBag) | |
tableView.rx.itemSelected | |
.map { [unowned self] in self.languages[$0.row] } | |
.bind(to: _selectLanguage) | |
.disposed(by: disposeBag) | |
} | |
} | |
/// Shows a list of the most starred repositories filtered by a language. | |
class RepositoryListViewController: UIViewController { | |
/// Subscribes on the `LanguageListViewController` observables before navigation. | |
/// | |
/// - Parameter viewController: `LanguageListViewController` to prepare. | |
private func prepareLanguageListViewController(_ viewController: LanguageListViewController) { | |
// We need to dismiss the LanguageListViewController if a language was selected or if a cancel button was tapped. | |
let dismiss = Observable.merge([ | |
viewController.didCancel, | |
viewController.didSelectLanguage.map { _ in } | |
]) | |
dismiss | |
.subscribe(onNext: { [weak self] in self?.dismiss(animated: true) }) | |
.disposed(by: viewController.disposeBag) | |
viewController.didSelectLanguage | |
.subscribe(onNext: { [weak self] in | |
self?.currentLanguage = $0 | |
self?.reloadData() | |
}) | |
.disposed(by: viewController.disposeBag) | |
} | |
} | |
} |
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