/** 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 protocol RemoveCellDelegate: class { func removeCellDidTapButton(_ cell: RemoveCell) } final class RemoveCell: UICollectionViewCell { weak var delegate: RemoveCellDelegate? private lazy var label: UILabel = { let label = UILabel() label.backgroundColor = .clear self.contentView.addSubview(label) return label }() fileprivate lazy var button: UIButton = { let button = UIButton(type: .custom) button.setTitle("Remove", for: UIControlState()) button.setTitleColor(.blue, for: UIControlState()) button.backgroundColor = .clear button.addTarget(self, action: #selector(RemoveCell.onButton(_:)), for: .touchUpInside) self.contentView.addSubview(button) return button }() var text: String? { get { return label.text } set { label.text = newValue } } override func layoutSubviews() { super.layoutSubviews() contentView.backgroundColor = .white let bounds = contentView.bounds let divide = bounds.divided(atDistance: 100, from: .maxXEdge) label.frame = divide.slice.insetBy(dx: 15, dy: 0) button.frame = divide.remainder } @objc func onButton(_ button: UIButton) { delegate?.removeCellDidTapButton(self) } }