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Move Animations and UITableView extensions to UIKitExtras.

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This commit is contained in:
Brent Simmons
2024-05-06 22:16:05 -07:00
parent 043b7841d8
commit 51a893ed98
6 changed files with 3 additions and 8 deletions
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27
iOS/UIKit Extensions/Animations.swift
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@@ -1,27 +0,0 @@
//
// Animations.swift
// NetNewsWire-iOS
//
// Created by Maurice Parker on 1/27/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import Foundation
/// Used to select which animations should be performed
public struct Animations: OptionSet, Sendable {
/// Select and deslections will be animated.
public static let select = Animations(rawValue: 1)
/// Scrolling will be animated
public static let scroll = Animations(rawValue: 2)
/// Pushing and popping navigation view controllers will be animated
public static let navigation = Animations(rawValue: 4)
public let rawValue: Int
public init(rawValue: Int) {
self.rawValue = rawValue
}
}

44
iOS/UIKit Extensions/UITableView-Extensions.swift
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//
// UITableView-Extensions.swift
// RSCoreiOS
//
// Created by Maurice Parker on 9/6/19.
// Copyright © 2019 Ranchero Software, LLC. All rights reserved.
//
import UIKit
extension UITableView {
/**
Selects a row and scrolls it to the middle if it is not visible
*/
public func selectRowAndScrollIfNotVisible(at indexPath: IndexPath, animations: Animations) {
guard let dataSource = dataSource,
let numberOfSections = dataSource.numberOfSections,
indexPath.section < numberOfSections(self),
indexPath.row < dataSource.tableView(self, numberOfRowsInSection: indexPath.section) else {
return
}
selectRow(at: indexPath, animated: animations.contains(.select), scrollPosition: .none)
if let visibleIndexPaths = indexPathsForRows(in: safeAreaLayoutGuide.layoutFrame) {
if !(visibleIndexPaths.contains(indexPath) && cellCompletelyVisible(indexPath)) {
scrollToRow(at: indexPath, at: .middle, animated: animations.contains(.scroll))
}
}
}
func cellCompletelyVisible(_ indexPath: IndexPath) -> Bool {
let rect = rectForRow(at: indexPath)
return safeAreaLayoutGuide.layoutFrame.contains(rect)
}
public func middleVisibleRow() -> IndexPath? {
if let visibleIndexPaths = indexPathsForRows(in: safeAreaLayoutGuide.layoutFrame), visibleIndexPaths.count > 2 {
return visibleIndexPaths[visibleIndexPaths.count / 2]
}
return nil
}
}