127 lines
4.8 KiB
Swift
127 lines
4.8 KiB
Swift
//
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// GamePickerViewController.swift
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// Delta
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//
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// Created by Riley Testut on 8/4/23.
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// Copyright © 2023 Riley Testut. All rights reserved.
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//
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import UIKit
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import Roxas
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class GamePickerViewController: UITableViewController
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{
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private lazy var dataSource = self.makeDataSource()
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var gameHandler: ((Game?) -> Void)?
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init()
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{
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super.init(style: .insetGrouped)
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}
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func viewDidLoad()
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{
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super.viewDidLoad()
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self.navigationController?.delegate = self
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self.dataSource.proxy = self
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self.tableView.dataSource = self.dataSource
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self.tableView.prefetchDataSource = self.dataSource
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self.tableView.register(UITableViewCell.self, forCellReuseIdentifier: RSTCellContentGenericCellIdentifier)
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self.navigationItem.title = NSLocalizedString("Choose Game", comment: "")
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self.navigationItem.searchController = self.dataSource.searchController
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self.navigationItem.hidesSearchBarWhenScrolling = false
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}
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}
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private extension GamePickerViewController
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{
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func makeDataSource() -> RSTFetchedResultsTableViewPrefetchingDataSource<Game, UIImage>
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{
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let fetchRequest = Game.fetchRequest()
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fetchRequest.propertiesToFetch = [#keyPath(Game.name), #keyPath(Game.identifier), #keyPath(Game.artworkURL)]
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fetchRequest.sortDescriptors = [NSSortDescriptor(keyPath: \Game.gameCollection?.index, ascending: true), NSSortDescriptor(keyPath: \Game.name, ascending: true)]
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let fetchedResultsController = NSFetchedResultsController(fetchRequest: fetchRequest, managedObjectContext: DatabaseManager.shared.viewContext, sectionNameKeyPath: #keyPath(Game.gameCollection.name), cacheName: nil)
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let dataSource = RSTFetchedResultsTableViewPrefetchingDataSource<Game, UIImage>(fetchedResultsController: fetchedResultsController)
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dataSource.cellConfigurationHandler = { (cell, game, indexPath) in
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var configuration = UIListContentConfiguration.valueCell()
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configuration.prefersSideBySideTextAndSecondaryText = false
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configuration.text = game.name
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configuration.secondaryText = game.identifier
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configuration.secondaryTextProperties.font = .preferredFont(forTextStyle: .caption1)
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configuration.image = UIImage(named: "BoxArt")
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configuration.imageProperties.maximumSize = CGSize(width: 48, height: 48)
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configuration.imageProperties.reservedLayoutSize = CGSize(width: 48, height: 48)
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configuration.imageProperties.cornerRadius = 4
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cell.contentConfiguration = configuration
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}
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dataSource.prefetchHandler = { (game, indexPath, completionHandler) in
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guard let artworkURL = game.artworkURL else {
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completionHandler(nil, nil)
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return nil
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}
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let imageOperation = LoadImageURLOperation(url: artworkURL)
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imageOperation.resultHandler = { (image, error) in
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completionHandler(image, error)
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}
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return imageOperation
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}
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dataSource.prefetchCompletionHandler = { (cell, image, indexPath, error) in
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guard let image = image, var config = cell.contentConfiguration as? UIListContentConfiguration else { return }
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config.image = image
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cell.contentConfiguration = config
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}
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dataSource.searchController.searchableKeyPaths = [#keyPath(Game.name), #keyPath(Game.identifier)]
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return dataSource
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}
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}
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extension GamePickerViewController
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{
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override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath)
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{
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let game = self.dataSource.item(at: indexPath)
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self.gameHandler?(game)
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self.navigationController?.delegate = nil // Prevent calling navigationController(_:willShow:)
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self.navigationController?.popViewController(animated: true)
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}
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override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String?
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{
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guard let section = self.dataSource.fetchedResultsController.sections?[section], !section.name.isEmpty else {
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return NSLocalizedString("Unknown System", comment: "")
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}
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return section.name
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}
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}
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extension GamePickerViewController: UINavigationControllerDelegate
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{
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func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool)
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{
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guard viewController != self else { return }
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self.gameHandler?(nil)
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}
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}
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