mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-03 21:48:27 +00:00
3fb2ac0d60
Summary: Remove `IGListCollectionView` per #409. Use plain old `UICollectionView`. Reviewed By: rnystrom Differential Revision: D4640425 fbshipit-source-id: 871b75eaeb1c9f2a40fe8f3fd81b209661704587
91 lines
3.9 KiB
Swift
91 lines
3.9 KiB
Swift
/**
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Copyright (c) 2016-present, Facebook, Inc. All rights reserved.
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The examples provided by Facebook are for non-commercial testing and evaluation
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purposes only. Facebook reserves all rights not expressly granted.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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import UIKit
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import IGListKit
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final class MixedDataViewController: UIViewController, IGListAdapterDataSource {
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lazy var adapter: IGListAdapter = {
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return IGListAdapter(updater: IGListAdapterUpdater(), viewController: self, workingRangeSize: 0)
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}()
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let collectionView = UICollectionView(frame: .zero, collectionViewLayout: UICollectionViewFlowLayout())
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let data: [Any] = [
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"Maecenas faucibus mollis interdum. Duis mollis, est non commodo luctus, nisi erat porttitor ligula, eget lacinia odio sem nec elit.",
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GridItem(color: UIColor(red: 237/255.0, green: 73/255.0, blue: 86/255.0, alpha: 1), itemCount: 6),
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User(pk: 2, name: "Ryan Olson", handle: "ryanolsonk"),
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"Praesent commodo cursus magna, vel scelerisque nisl consectetur et.",
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User(pk: 4, name: "Oliver Rickard", handle: "ocrickard"),
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GridItem(color: UIColor(red: 56/255.0, green: 151/255.0, blue: 240/255.0, alpha: 1), itemCount: 5),
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"Nullam quis risus eget urna mollis ornare vel eu leo. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.",
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User(pk: 3, name: "Jesse Squires", handle: "jesse_squires"),
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GridItem(color: UIColor(red: 112/255.0, green: 192/255.0, blue: 80/255.0, alpha: 1), itemCount: 3),
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"Fusce dapibus, tellus ac cursus commodo, tortor mauris condimentum nibh, ut fermentum massa justo sit amet risus.",
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GridItem(color: UIColor(red: 163/255.0, green: 42/255.0, blue: 186/255.0, alpha: 1), itemCount: 7),
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User(pk: 1, name: "Ryan Nystrom", handle: "_ryannystrom"),
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]
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let segments: [(String, Any.Type?)] = [
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("All", nil),
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("Colors", GridItem.self),
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("Text", String.self),
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("Users", User.self)
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]
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var selectedClass: Any.Type?
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override func viewDidLoad() {
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super.viewDidLoad()
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let control = UISegmentedControl(items: segments.map { return $0.0 } )
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control.selectedSegmentIndex = 0
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control.addTarget(self, action: #selector(MixedDataViewController.onControl(_:)), for: .valueChanged)
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navigationItem.titleView = control
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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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func onControl(_ control: UISegmentedControl) {
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selectedClass = segments[control.selectedSegmentIndex].1
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adapter.performUpdates(animated: true, completion: nil)
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}
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// MARK: IGListAdapterDataSource
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func objects(for listAdapter: IGListAdapter) -> [IGListDiffable] {
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guard selectedClass != nil else {
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return data.map { $0 as! IGListDiffable }
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}
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return data.filter { type(of: $0) == selectedClass! }
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.map { $0 as! IGListDiffable }
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}
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func listAdapter(_ listAdapter: IGListAdapter, sectionControllerFor object: Any) -> IGListSectionController {
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switch object {
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case is String: return ExpandableSectionController()
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case is GridItem: return GridSectionController()
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default: return UserSectionController()
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}
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}
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func emptyView(for listAdapter: IGListAdapter) -> UIView? { return nil }
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}
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