mirror of
https://github.com/Instagram/IGListKit
synced 2026-04-25 07:27:30 +00:00
3f7c7f316a
Summary: The search bar used to set the text as empty when the user scrolls. Closes https://github.com/Instagram/IGListKit/pull/922 Differential Revision: D5768667 Pulled By: rnystrom fbshipit-source-id: 8a77708c2bd4101fbdef1401a1ad0d8d6e2fae7d
65 lines
2.4 KiB
Swift
65 lines
2.4 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 IGListKit
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protocol SearchSectionControllerDelegate: class {
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func searchSectionController(_ sectionController: SearchSectionController, didChangeText text: String)
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}
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final class SearchSectionController: ListSectionController, UISearchBarDelegate, ListScrollDelegate {
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weak var delegate: SearchSectionControllerDelegate?
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override init() {
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super.init()
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scrollDelegate = self
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}
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override func sizeForItem(at index: Int) -> CGSize {
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return CGSize(width: collectionContext!.containerSize.width, height: 44)
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}
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override func cellForItem(at index: Int) -> UICollectionViewCell {
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guard let cell = collectionContext?.dequeueReusableCell(of: SearchCell.self, for: self, at: index) as? SearchCell else {
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fatalError()
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}
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cell.searchBar.delegate = self
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return cell
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}
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// MARK: UISearchBarDelegate
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func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
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delegate?.searchSectionController(self, didChangeText: searchText)
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}
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func searchBarTextDidEndEditing(_ searchBar: UISearchBar) {
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delegate?.searchSectionController(self, didChangeText: searchBar.text!)
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}
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// MARK: ListScrollDelegate
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func listAdapter(_ listAdapter: ListAdapter, didScroll sectionController: ListSectionController) {
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if let searchBar = (collectionContext?.cellForItem(at: 0, sectionController: self) as? SearchCell)?.searchBar {
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searchBar.resignFirstResponder()
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}
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}
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func listAdapter(_ listAdapter: ListAdapter, willBeginDragging sectionController: ListSectionController) {}
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func listAdapter(_ listAdapter: ListAdapter,
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didEndDragging sectionController: ListSectionController,
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willDecelerate decelerate: Bool) {}
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}
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