SpectralDragon
/ PreviewContextMenu.swift
Created
April 8, 2020 19:22
Simple way to implement preview context menu for SwiftUI
SpectralDragon
/ Color+Extensions.swift
Created
March 23, 2020 20:03
Get red/blue/green from SwiftUI Color
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| extension UIColor { | |
| // default implementaion of hex parsing | |
| public convenience init?(hex: String) { | |
| let r, g, b, a: CGFloat | |
| if hex.hasPrefix("#") { | |
| let start = hex.index(hex.startIndex, offsetBy: 1) | |
| let hexColor = String(hex[start...]) | |
| if hexColor.count == 8 { |
SpectralDragon
/ iOSToggleStyle.swift
Created
February 3, 2020 11:44
iOS-like toggle style for SwiftUI. Because in MacOS we have another style for toggle
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| // | |
| // iOSToggleStyle.swift | |
| // | |
| // Created by Vladislav Prusakov on 03.02.2020. | |
| // Copyright © 2020 Vladislav Prusakov. All rights reserved. | |
| // | |
| import SwiftUI | |
| struct iOSToggleStyle: ToggleStyle { |
SpectralDragon
/ UIDynamicProviderImage.swift
Created
October 31, 2019 11:33
A class for dynamically update image using current trait collections. It's doesn't work for navigation bar and tab bar, because image doesn't update when trait collection did change.
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| public extension UIImage { | |
| /// Creates a dynamic image that supports displaying a different image asset when dark mode is active. | |
| static func dynamic( | |
| light makeLight: @autoclosure () -> UIImage, | |
| dark makeDark: @autoclosure () -> UIImage | |
| ) -> UIImage { | |
| if #available(iOS 13, *) { | |
| return UIDynamicProviderImage(light: makeLight(), dark: makeDark()) | |
| } else { |
SpectralDragon
/ RangeTree.swift
Last active
May 9, 2019 13:15
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| class RangeTree<T> { | |
| private var value: [T] | |
| private(set) var range: Range<Int> | |
| private var leftLeaf: RangeTree<T>? | |
| private var rightLeaf: RangeTree<T>? | |
| convenience init(array: [T]) { | |
| self.init(array: array, range: 0 ..< array.count) | |
| } |
SpectralDragon
/ CompoundProgress.swift
Created
July 6, 2018 16:15
Little solution for manage child progresses. Support Adding and Removing children and update totalUnitCount.
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| final class CompoundProgress: Progress { | |
| private struct Child { | |
| let progress: Progress | |
| let cancellationObservation: NSKeyValueObservation | |
| let completedUnitObservation: NSKeyValueObservation | |
| func invalidate() { | |
| self.cancellationObservation.invalidate() | |
| self.completedUnitObservation.invalidate() |