// // AttachmentCollectionView.swift // InputBarAccessoryView // // Copyright © 2017-2019 Nathan Tannar. // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // 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 THE // AUTHORS OR COPYRIGHT HOLDERS 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. // // Created by Nathan Tannar on 10/4/17. // import UIKit @available(*, deprecated, message: "AttachmentsView has been renamed to AttachmentCollectionView") public typealias AttachmentsView = AttachmentCollectionView open class AttachmentCollectionView: UICollectionView { // MARK: - Properties open var intrinsicContentHeight: CGFloat = 100 { didSet { invalidateIntrinsicContentSize() } } open override var intrinsicContentSize: CGSize { return CGSize(width: 0, height: intrinsicContentHeight) } // MARK: - Initialization public init() { let layout = UICollectionViewFlowLayout() layout.scrollDirection = .horizontal layout.minimumLineSpacing = 0 layout.sectionInset.top = 5 layout.sectionInset.bottom = 5 layout.headerReferenceSize = CGSize(width: 12, height: 0) layout.footerReferenceSize = CGSize(width: 12, height: 0) super.init(frame: .zero, collectionViewLayout: layout) setup() } public override init(frame: CGRect, collectionViewLayout layout: UICollectionViewLayout) { super.init(frame: frame, collectionViewLayout: layout) setup() } required public init?(coder aDecoder: NSCoder) { super.init(coder: aDecoder) setup() } // MARK: - Setup private func setup() { backgroundColor = .white alwaysBounceHorizontal = true showsHorizontalScrollIndicator = true setContentHuggingPriority(UILayoutPriority.defaultHigh, for: .vertical) register(AttachmentCell.self, forCellWithReuseIdentifier: AttachmentCell.reuseIdentifier) register(ImageAttachmentCell.self, forCellWithReuseIdentifier: ImageAttachmentCell.reuseIdentifier) } }