mirror of
https://github.com/Instagram/IGListKit
synced 2026-05-10 02:50:53 +00:00
9685f2ba06
Summary: Fix #144 Closes https://github.com/Instagram/IGListKit/pull/147 Differential Revision: D4111495 Pulled By: rnystrom fbshipit-source-id: 34d66e60a7e389da684239b6a6aa992cbcd3d9cd
71 lines
2.9 KiB
Swift
71 lines
2.9 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 SingleSectionStoryboardViewController: UIViewController, IGListAdapterDataSource, IGListSingleSectionControllerDelegate {
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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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@IBOutlet weak var collectionView: IGListCollectionView!
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let data = Array(0..<20)
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// MARK: - Lifecycle
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override func viewDidLoad() {
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super.viewDidLoad()
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adapter.collectionView = collectionView
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adapter.dataSource = self
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}
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//MARK: - IGListAdapterDataSource
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func objects(for listAdapter: IGListAdapter) -> [IGListDiffable] {
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return data as [IGListDiffable]
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}
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func listAdapter(_ listAdapter: IGListAdapter, sectionControllerFor object: Any) -> IGListSectionController {
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let configureBlock = { (item: Any, cell: UICollectionViewCell) in
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guard let cell = cell as? StoryboardCell, let number = item as? Int else { return }
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cell.textLabel.text = "Cell: \(number + 1)"
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}
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let sizeBlock = { (item: Any, context: IGListCollectionContext?) -> CGSize in
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guard let context = context else { return .zero }
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return CGSize(width: context.containerSize.width, height: 44)
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}
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let sectionController = IGListSingleSectionController(storyboardCellIdentifier: "cell",
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configureBlock: configureBlock,
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sizeBlock: sizeBlock)
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sectionController.selectionDelegate = self
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return sectionController
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}
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func emptyView(for listAdapter: IGListAdapter) -> UIView? {
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return nil
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}
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// MARK: - IGListSingleSectionControllerDelegate
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func didSelect(_ sectionController: IGListSingleSectionController) {
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let section = adapter.section(for: sectionController) + 1
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let alert = UIAlertController(title: "Section \(section) was selected \u{1F389}", message: nil, preferredStyle: .alert)
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alert.addAction(UIAlertAction(title: "Dismiss", style: .default, handler: nil))
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present(alert, animated: true, completion: nil)
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}
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}
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