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mikhailChelbaevmikhailChelbaev
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‎Examples/DemosApp/DemosApp/ComponentsPreview/PreviewPages/BadgePreview.swift‎

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import ComponentsKit
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import SwiftUI
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import UIKit
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struct BadgePreview: View {
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@State private var model = BadgeVM {
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$0.title = "Badge"
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}
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var body: some View {
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VStack {
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PreviewWrapper(title: "UIKit") {
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UKBadge(model: self.model)
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.preview
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}
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PreviewWrapper(title: "SwiftUI") {
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SUBadge(model: self.model)
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}
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Form {
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Picker("Font", selection: self.$model.font) {
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Text("Default").tag(Optional<UniversalFont>.none)
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Text("Small").tag(UniversalFont.smButton)
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Text("Medium").tag(UniversalFont.mdButton)
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Text("Large").tag(UniversalFont.lgButton)
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Text("Custom: system bold of size 16").tag(UniversalFont.system(size: 16, weight: .bold))
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}
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ComponentOptionalColorPicker(selection: self.$model.color)
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ComponentRadiusPicker(selection: self.$model.cornerRadius) {
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Text("Custom: 4px").tag(ComponentRadius.custom(4))
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}
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Picker("Style", selection: self.$model.style) {
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Text("Filled").tag(BadgeVM.Style.filled)
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Text("Light").tag(BadgeVM.Style.light)
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}
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Picker("Paddings", selection: self.$model.paddings) {
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Text("8px; 6px")
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.tag(Paddings(top: 6, leading: 8, bottom: 6, trailing: 8))
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Text("10px; 8px")
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.tag(Paddings(top: 8, leading: 10, bottom: 8, trailing: 10))
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Text("12px; 10px")
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.tag(Paddings(top: 10, leading: 12, bottom: 10, trailing: 12))
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}
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}
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}
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}
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}
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#Preview {
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BadgePreview()
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}

‎Examples/DemosApp/DemosApp/Core/App.swift‎

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}
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NavigationLinkWithTitle("Avatar") {
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AvatarPreview()
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NavigationLinkWithTitle("Badge") {
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BadgePreview()
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}
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NavigationLinkWithTitle("Button") {
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ButtonPreview()

‎Sources/ComponentsKit/Components/Badge/Models/BadgeStyle.swift‎

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import Foundation
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extension BadgeVM {
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/// Defines the available visual styles for a badge.
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public enum Style: Equatable {
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case filled
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case light
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}
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}

‎Sources/ComponentsKit/Components/Badge/Models/BadgeVM.swift‎

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import SwiftUI
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/// A model that defines the appearance properties for a badge component.
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public struct BadgeVM: ComponentVM {
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/// The text displayed on the badge.
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public var title: String = ""
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/// The color of the badge.
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public var color: ComponentColor?
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/// The visual style of the badge.
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///
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/// Defaults to `.filled`.
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public var style: Style = .filled
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/// The font used for the badge's text.
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///
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/// Defaults to `.smButton`.
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public var font: UniversalFont = .smButton
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/// The corner radius of the badge.
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///
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/// Defaults to `.medium`.
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public var cornerRadius: ComponentRadius = .medium
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/// Paddings for the badge.
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public var paddings: Paddings = .init(horizontal: 10, vertical: 8)
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/// Initializes a new instance of `BadgeVM` with default values.
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public init() {}
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}
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// MARK: Helpers
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extension BadgeVM {
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/// Returns the background color of the badge based on its style.
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var backgroundColor: UniversalColor {
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switch self.style {
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case .filled:
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return self.color?.main ?? .content2
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case .light:
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return self.color?.background ?? .content1
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}
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}
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/// Returns the foreground color of the badge based on its style.
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var foregroundColor: UniversalColor {
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switch self.style {
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case .filled:
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return self.color?.contrast ?? .foreground
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case .light:
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return self.color?.main ?? .foreground
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}
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}
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}
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// MARK: UIKit Helpers
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extension BadgeVM {
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func shouldUpdateLayout(_ oldModel: Self?) -> Bool {
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return self.font != oldModel?.font
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|| self.paddings != oldModel?.paddings
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}
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}

‎Sources/ComponentsKit/Components/Badge/SUBadge.swift‎

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import SwiftUI
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/// A SwiftUI component that displays a badge.
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public struct SUBadge: View {
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// MARK: Properties
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/// A model that defines the appearance properties.
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public var model: BadgeVM
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// MARK: Initialization
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/// Initializes a new instance of `SUBadge`.
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/// - Parameter model: A model that defines the appearance properties.
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public init(model: BadgeVM) {
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self.model = model
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}
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// MARK: Body
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public var body: some View {
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Text(self.model.title)
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.font(self.model.font.font)
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.padding(self.model.paddings.edgeInsets)
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.foregroundStyle(self.model.foregroundColor.color)
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.background(self.model.backgroundColor.color)
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.clipShape(
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RoundedRectangle(cornerRadius: self.model.cornerRadius.value())
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)
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}
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}

‎Sources/ComponentsKit/Components/Badge/UKBadge.swift‎

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import AutoLayout
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import UIKit
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/// A UIKit component that displays a badge.
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open class UKBadge: UIView, UKComponent {
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// MARK: - Properties
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/// A model that defines the appearance properties.
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public var model: BadgeVM {
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didSet {
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self.update(oldValue)
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}
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}
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private var titleLabelConstraints: LayoutConstraints = .init()
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// MARK: - Subviews
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/// A label that displays the title from the model.
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public var titleLabel = UILabel()
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// MARK: - UIView Properties
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open override var intrinsicContentSize: CGSize {
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return self.sizeThatFits(UIView.layoutFittingExpandedSize)
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}
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// MARK: - Initialization
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/// Initializes a new instance of `UKBadge`.
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/// - Parameter model: A model that defines the appearance properties for the badge.
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public init(model: BadgeVM = .init()) {
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self.model = model
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super.init(frame: .zero)
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self.setup()
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self.style()
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self.layout()
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}
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public required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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// MARK: - Setup
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private func setup() {
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self.addSubview(self.titleLabel)
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}
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// MARK: - Style
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private func style() {
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Self.Style.mainView(self, model: self.model)
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Self.Style.titleLabel(self.titleLabel, model: self.model)
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}
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// MARK: - Layout
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private func layout() {
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self.titleLabelConstraints = .merged {
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self.titleLabel.top(self.model.paddings.top)
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self.titleLabel.leading(self.model.paddings.leading)
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self.titleLabel.bottom(self.model.paddings.bottom)
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self.titleLabel.trailing(self.model.paddings.trailing)
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}
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self.titleLabelConstraints.allConstraints.forEach { $0?.priority = .defaultHigh }
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}
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open override func layoutSubviews() {
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super.layoutSubviews()
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self.layer.cornerRadius = self.model.cornerRadius.value(for: self.bounds.height)
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}
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// MARK: - Update
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public func update(_ oldModel: BadgeVM) {
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guard self.model != oldModel else { return }
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self.style()
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if self.model.shouldUpdateLayout(oldModel) {
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self.titleLabelConstraints.leading?.constant = self.model.paddings.leading
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self.titleLabelConstraints.top?.constant = self.model.paddings.top
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self.titleLabelConstraints.bottom?.constant = -self.model.paddings.bottom
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self.titleLabelConstraints.trailing?.constant = -self.model.paddings.trailing
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self.invalidateIntrinsicContentSize()
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self.setNeedsLayout()
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}
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}
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// MARK: - UIView Methods
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open override func sizeThatFits(_ size: CGSize) -> CGSize {
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let contentSize = self.titleLabel.sizeThatFits(size)
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let totalWidthPadding = self.model.paddings.leading + self.model.paddings.trailing
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let totalHeightPadding = self.model.paddings.top + self.model.paddings.bottom
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let width = contentSize.width + totalWidthPadding
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let height = contentSize.height + totalHeightPadding
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return CGSize(
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width: min(width, size.width),
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height: min(height, size.height)
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)
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}
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}
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// MARK: - Style Helpers
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extension UKBadge {
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fileprivate enum Style {
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static func mainView(_ view: UIView, model: BadgeVM) {
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view.backgroundColor = model.backgroundColor.uiColor
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view.layer.cornerRadius = model.cornerRadius.value(for: view.bounds.height)
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}
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static func titleLabel(_ label: UILabel, model: BadgeVM) {
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label.textAlignment = .center
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label.text = model.title
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label.font = model.font.uiFont
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label.textColor = model.foregroundColor.uiColor
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}
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}
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}

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