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//
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// ChatLayout
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// ItemKind.swift
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// https://github.com/ekazaev/ChatLayout
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//
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// Created by Eugene Kazaev in 2020-2023.
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// Distributed under the MIT license.
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//
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// Become a sponsor:
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// https://github.com/sponsors/ekazaev
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//
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import Foundation
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import UIKit
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/// Type of the item supported by `CollectionViewChatLayout`
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public enum ItemKind: CaseIterable, Hashable {
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/// Header item
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case header
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/// Cell item
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case cell
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/// Footer item
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case footer
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init(_ elementKind: String) {
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switch elementKind {
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case UICollectionView.elementKindSectionHeader:
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self = .header
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case UICollectionView.elementKindSectionFooter:
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self = .footer
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default:
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preconditionFailure("Unsupported supplementary view kind.")
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}
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}
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/// Returns: `true` if this `ItemKind` is equal to `ItemKind.header` or `ItemKind.footer`
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public var isSupplementaryItem: Bool {
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switch self {
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case .cell:
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return false
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case .header, .footer:
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return true
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}
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}
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var supplementaryElementStringType: String {
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switch self {
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case .cell:
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preconditionFailure("Cell type is not a supplementary view.")
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case .header:
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return UICollectionView.elementKindSectionHeader
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case .footer:
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return UICollectionView.elementKindSectionFooter
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}
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}
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}
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