mirror of
https://github.com/Instagram/IGListKit
synced 2026-04-23 06:27:18 +00:00
f92b9339ee
Summary: The standardized Meta copyright notice is "Copyright (c) Meta Platforms, Inc. and affiliates." and not "Copyright (c) Meta Platforms, Inc. and its affiliates." (Dropping the "its") This diff updates the copyright notice in each source file to the correct this. Reviewed By: willbailey Differential Revision: D44737667 fbshipit-source-id: 643bf36df76723e70d9d826c53cf8f29b8a0c8cc
75 lines
3.2 KiB
Swift
75 lines
3.2 KiB
Swift
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import IGListKit
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import UIKit
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final class SearchViewController: UIViewController, ListAdapterDataSource, SearchSectionControllerDelegate {
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lazy var adapter: ListAdapter = {
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return ListAdapter(updater: ListAdapterUpdater(), viewController: self)
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}()
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let collectionView = UICollectionView(frame: .zero, collectionViewLayout: UICollectionViewFlowLayout())
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lazy var words: [String] = {
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// swiftlint:disable:next
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let str = "Humblebrag skateboard tacos viral small batch blue bottle, schlitz fingerstache etsy squid. Listicle tote bag helvetica XOXO literally, meggings cardigan kickstarter roof party deep v selvage scenester venmo truffaut. You probably haven't heard of them fanny pack austin next level 3 wolf moon. Everyday carry offal brunch 8-bit, keytar banjo pinterest leggings hashtag wolf raw denim butcher. Single-origin coffee try-hard echo park neutra, cornhole banh mi meh austin readymade tacos taxidermy pug tattooed. Cold-pressed +1 ethical, four loko cardigan meh forage YOLO health goth sriracha kale chips. Mumblecore cardigan humblebrag, lo-fi typewriter truffaut leggings health goth."
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var unique = Set<String>()
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var words = [String]()
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let range = str.startIndex ..< str.endIndex
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str.enumerateSubstrings(in: range, options: .byWords) { (substring, _, _, _) in
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guard let substring = substring else { return }
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if !unique.contains(substring) {
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unique.insert(substring)
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words.append(substring)
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}
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}
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return words
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}()
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var filterString = ""
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let searchToken: NSNumber = 42
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override func viewDidLoad() {
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super.viewDidLoad()
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view.addSubview(collectionView)
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adapter.collectionView = collectionView
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adapter.dataSource = self
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}
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override func viewDidLayoutSubviews() {
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super.viewDidLayoutSubviews()
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collectionView.frame = view.bounds
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}
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// MARK: ListAdapterDataSource
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func objects(for listAdapter: ListAdapter) -> [ListDiffable] {
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guard filterString != "" else { return [searchToken] + words.map { $0 as ListDiffable } }
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return [searchToken] + words.filter { $0.lowercased().contains(filterString.lowercased()) }.map { $0 as ListDiffable }
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}
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func listAdapter(_ listAdapter: ListAdapter, sectionControllerFor object: Any) -> ListSectionController {
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if let obj = object as? NSNumber, obj == searchToken {
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let sectionController = SearchSectionController()
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sectionController.delegate = self
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return sectionController
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} else {
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return LabelSectionController()
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}
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}
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func emptyView(for listAdapter: ListAdapter) -> UIView? {
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return nil
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}
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// MARK: SearchSectionControllerDelegate
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func searchSectionController(_ sectionController: SearchSectionController, didChangeText text: String) {
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filterString = text
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adapter.performUpdates(animated: true, completion: nil)
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}
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}
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