112 lines
3.8 KiB
Swift
112 lines
3.8 KiB
Swift
//
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// ExploreViewController.swift
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// Tusker
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//
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// Created by Shadowfacts on 12/14/19.
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// Copyright © 2019 Shadowfacts. All rights reserved.
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//
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import UIKit
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import Combine
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class ExploreViewController: EnhancedTableViewController {
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var dataSource: UITableViewDiffableDataSource<Section, Item>!
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var resultsController: SearchResultsViewController!
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var searchController: UISearchController!
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let searchSubject = PassthroughSubject<String?, Never>()
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init() {
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super.init(style: .insetGrouped)
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title = NSLocalizedString("Explore", comment: "explore tab title")
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tabBarItem.image = UIImage(systemName: "magnifyingglass")
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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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super.viewDidLoad()
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tableView.register(UINib(nibName: "BasicTableViewCell", bundle: .main), forCellReuseIdentifier: "basicCell")
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dataSource = DataSource(tableView: tableView, cellProvider: { (tableView, indexPath, item) -> UITableViewCell? in
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switch item {
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case .bookmarks:
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let cell = tableView.dequeueReusableCell(withIdentifier: "basicCell", for: indexPath)
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cell.imageView!.image = UIImage(systemName: "bookmark.fill")
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cell.textLabel!.text = NSLocalizedString("Bookmarks", comment: "bookmarks nav item title")
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cell.accessoryType = .disclosureIndicator
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return cell
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case let .list(id):
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let cell = tableView.dequeueReusableCell(withIdentifier: "basicCell", for: indexPath)
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cell.imageView!.image = nil
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cell.textLabel!.text = id
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cell.accessoryType = .disclosureIndicator
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return cell
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}
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})
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var snapshot = NSDiffableDataSourceSnapshot<Section, Item>()
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snapshot.appendSections([.bookmarks, .lists])
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snapshot.appendItems([.bookmarks], toSection: .bookmarks)
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// the initial, static items should not be displayed with an animation
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UIView.performWithoutAnimation {
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dataSource.apply(snapshot)
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}
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resultsController = SearchResultsViewController()
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resultsController.exploreNavigationController = self.navigationController!
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searchController = UISearchController(searchResultsController: resultsController)
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searchController.searchResultsUpdater = resultsController
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searchController.searchBar.autocapitalizationType = .none
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searchController.searchBar.delegate = resultsController
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definesPresentationContext = true
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navigationItem.searchController = searchController
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navigationItem.hidesSearchBarWhenScrolling = false
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}
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// MARK: - Table view delegate
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override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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switch dataSource.itemIdentifier(for: indexPath) {
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case nil:
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return
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case .bookmarks:
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show(BookmarksTableViewController(), sender: nil)
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case let .list(id):
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show(TimelineTableViewController(for: .list(id: id)), sender: nil)
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}
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}
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}
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extension ExploreViewController {
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enum Section: CaseIterable {
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case bookmarks
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case lists
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}
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enum Item: Hashable {
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case bookmarks
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case list(id: String)
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}
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class DataSource: UITableViewDiffableDataSource<Section, Item> {
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override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
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switch section {
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case 1:
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return NSLocalizedString("Lists", comment: "explore lists section title")
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default:
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return nil
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}
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}
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}
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}
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