mirror of
https://github.com/Instagram/IGListKit
synced 2026-04-30 18:07:44 +00:00
279f348a4a
Summary: - Updated selectionDelegate to pass through the model object - Changelog entry under 3.0.0 as is breaking change Try saying single section selection 10 times quick Dabbing my left toe into some ObjC, so apologies if I violate years of rules - [ ] Update documentation internally Closes #396 - [x] All tests pass. Demo project builds and runs. - [x] I added tests, an experiment, or detailed why my change isn't tested. - [x] I added an entry to the `CHANGELOG.md` for any breaking changes, enhancements, or bug fixes. - [x] I have reviewed the [contributing guide](https://github.com/Instagram/IGListKit/blob/master/.github/CONTRIBUTING.md) Closes https://github.com/Instagram/IGListKit/pull/397 Differential Revision: D4406213 Pulled By: rnystrom fbshipit-source-id: ba468fa49e75823796a47da6ed7f0e8957db3d75
81 lines
3.3 KiB
Swift
81 lines
3.3 KiB
Swift
/**
|
|
Copyright (c) 2016-present, Facebook, Inc. All rights reserved.
|
|
|
|
The examples provided by Facebook are for non-commercial testing and evaluation
|
|
purposes only. Facebook reserves all rights not expressly granted.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
import UIKit
|
|
import IGListKit
|
|
|
|
final class SingleSectionViewController: UIViewController, IGListAdapterDataSource, IGListSingleSectionControllerDelegate {
|
|
|
|
lazy var adapter: IGListAdapter = {
|
|
return IGListAdapter(updater: IGListAdapterUpdater(), viewController: self, workingRangeSize: 0)
|
|
}()
|
|
|
|
let collectionView = IGListCollectionView(frame: .zero, collectionViewLayout: UICollectionViewFlowLayout())
|
|
|
|
let data = Array(0..<20)
|
|
|
|
// MARK: - Lifecycle
|
|
|
|
override func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
|
|
view.addSubview(collectionView)
|
|
adapter.collectionView = collectionView
|
|
adapter.dataSource = self
|
|
}
|
|
|
|
override func viewDidLayoutSubviews() {
|
|
super.viewDidLayoutSubviews()
|
|
collectionView.frame = view.bounds
|
|
}
|
|
|
|
//MARK: - IGListAdapterDataSource
|
|
|
|
func objects(for listAdapter: IGListAdapter) -> [IGListDiffable] {
|
|
return data as [IGListDiffable]
|
|
}
|
|
|
|
func listAdapter(_ listAdapter: IGListAdapter, sectionControllerFor object: Any) -> IGListSectionController {
|
|
let configureBlock = { (item: Any, cell: UICollectionViewCell) in
|
|
guard let cell = cell as? NibCell, let number = item as? Int else { return }
|
|
cell.textLabel.text = "Cell: \(number + 1)"
|
|
}
|
|
|
|
let sizeBlock = { (item: Any, context: IGListCollectionContext?) -> CGSize in
|
|
guard let context = context else { return CGSize() }
|
|
return CGSize(width: context.containerSize.width, height: 44)
|
|
}
|
|
let sectionController = IGListSingleSectionController(nibName: NibCell.nibName,
|
|
bundle: nil,
|
|
configureBlock: configureBlock,
|
|
sizeBlock: sizeBlock)
|
|
sectionController.selectionDelegate = self
|
|
|
|
return sectionController
|
|
}
|
|
|
|
func emptyView(for listAdapter: IGListAdapter) -> UIView? { return nil }
|
|
|
|
// MARK: - IGListSingleSectionControllerDelegate
|
|
|
|
func didSelect(_ sectionController: IGListSingleSectionController, with object: Any) {
|
|
let section = adapter.section(for: sectionController) + 1
|
|
let alert = UIAlertController(title: "Section \(section) was selected \u{1F389}",
|
|
message: "Cell Object: " + String(describing: object),
|
|
preferredStyle: .alert)
|
|
alert.addAction(UIAlertAction(title: "Dismiss", style: .default, handler: nil))
|
|
present(alert, animated: true, completion: nil)
|
|
}
|
|
|
|
}
|