mirror of
https://github.com/Instagram/IGListKit
synced 2026-04-26 07:57:19 +00:00
1b70435993
Summary: Adding a pretty basic stacked demo. 3 different sections, each with 3 child section controllers that handle an `Int` data. Requires #354 to be fully functional (working range). Closes #134 - [x] All tests pass. Demo project builds and runs. - [x] I have reviewed the [contributing guide](https://github.com/Instagram/IGListKit/blob/master/.github/CONTRIBUTING.md) Closes https://github.com/Instagram/IGListKit/pull/355 Differential Revision: D4363859 Pulled By: jessesquires fbshipit-source-id: 5dbc8e18388fed4930f189e3477ff57f0edf2d13
49 lines
1.7 KiB
Swift
49 lines
1.7 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 ExpandableSectionController: IGListSectionController, IGListSectionType {
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var expanded = false
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var object: String?
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func numberOfItems() -> Int {
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return 1
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}
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func sizeForItem(at index: Int) -> CGSize {
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let width = collectionContext!.containerSize.width
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let height = expanded ? LabelCell.textHeight(object ?? "", width: width) : LabelCell.singleLineHeight
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return CGSize(width: width, height: height)
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}
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func cellForItem(at index: Int) -> UICollectionViewCell {
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let cell = collectionContext!.dequeueReusableCell(of: LabelCell.self, for: self, at: index) as! LabelCell
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cell.label.numberOfLines = expanded ? 0 : 1
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cell.label.text = object
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return cell
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}
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func didUpdate(to object: Any) {
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self.object = object as? String
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}
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func didSelectItem(at index: Int) {
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expanded = !expanded
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collectionContext?.reload(in: self, at: IndexSet(integer: 0))
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}
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}
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