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feat: add fluent wrapper for UIContentUnavailableConfiguration (#52)
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‎Sources/FlexUI/Classes/Extensions/FlexUI+UIContentUnavailableConfiguration.swift‎

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//
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// flex-ui
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// Copyright © 2026 Space Code. All rights reserved.
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//
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import UIKit
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// MARK: - UIContentUnavailableConfiguration + FlexCompatible
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@available(iOS 17.0, *)
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extension UIContentUnavailableConfiguration: FlexCompatible {}
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@available(iOS 17.0, *)
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public extension FlexUI where Component == UIContentUnavailableConfiguration {
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/// Sets the image for the content unavailable configuration.
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///
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/// - Parameter image: The image to display.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func image(_ image: UIImage?) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.image = image
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return FlexUI(component: config)
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}
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/// Sets the image properties using a closure.
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///
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/// - Parameter configure: A closure to configure image properties.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func imageProperties(_ configure: (inout UIContentUnavailableConfiguration.ImageProperties) -> Void)
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-> FlexUI<UIContentUnavailableConfiguration>
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{
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var config = component
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configure(&config.imageProperties)
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return FlexUI(component: config)
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}
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/// Sets the primary text for the content unavailable configuration.
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///
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/// - Parameter text: The primary text to display.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func text(_ text: String?) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.text = text
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return FlexUI(component: config)
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}
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/// Sets the attributed primary text for the content unavailable configuration.
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///
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/// - Parameter attributedText: The attributed text to display.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func attributedText(_ attributedText: NSAttributedString?) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.attributedText = attributedText
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return FlexUI(component: config)
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}
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/// Sets the text properties using a closure.
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///
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/// - Parameter configure: A closure to configure text properties.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func textProperties(_ configure: (inout UIContentUnavailableConfiguration.TextProperties) -> Void)
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-> FlexUI<UIContentUnavailableConfiguration>
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{
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var config = component
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configure(&config.textProperties)
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return FlexUI(component: config)
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}
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/// Sets the secondary text for the content unavailable configuration.
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///
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/// - Parameter secondaryText: The secondary text to display.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func secondaryText(_ secondaryText: String?) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.secondaryText = secondaryText
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return FlexUI(component: config)
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}
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/// Sets the attributed secondary text for the content unavailable configuration.
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///
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/// - Parameter attributedText: The attributed secondary text to display.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func secondaryAttributedText(_ attributedText: NSAttributedString?) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.secondaryAttributedText = attributedText
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return FlexUI(component: config)
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}
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/// Sets the secondary text properties using a closure.
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///
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/// - Parameter configure: A closure to configure secondary text properties.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func secondaryTextProperties(_ configure: (inout UIContentUnavailableConfiguration.TextProperties) -> Void)
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-> FlexUI<UIContentUnavailableConfiguration>
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{
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var config = component
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configure(&config.secondaryTextProperties)
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return FlexUI(component: config)
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}
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/// Sets the button configuration.
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///
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/// - Parameter buttonConfiguration: The button configuration to use.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func button(_ buttonConfiguration: UIButton.Configuration) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.button = buttonConfiguration
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return FlexUI(component: config)
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}
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/// Sets the button properties using a closure.
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///
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/// - Parameter configure: A closure to configure button properties.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func buttonProperties(_ configure: (inout UIContentUnavailableConfiguration.ButtonProperties) -> Void)
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-> FlexUI<UIContentUnavailableConfiguration>
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{
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var config = component
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configure(&config.buttonProperties)
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return FlexUI(component: config)
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}
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/// Sets the secondary button configuration.
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///
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/// - Parameter buttonConfiguration: The secondary button configuration to use.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func secondaryButton(_ buttonConfiguration: UIButton.Configuration) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.secondaryButton = buttonConfiguration
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return FlexUI(component: config)
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}
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/// Sets the secondary button properties using a closure.
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///
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/// - Parameter configure: A closure to configure secondary button properties.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func secondaryButtonProperties(_ configure: (inout UIContentUnavailableConfiguration.ButtonProperties) -> Void)
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-> FlexUI<UIContentUnavailableConfiguration>
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{
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var config = component
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configure(&config.secondaryButtonProperties)
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return FlexUI(component: config)
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}
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// MARK: - Alignment Configuration
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/// Sets the alignment of the content.
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///
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/// - Parameter alignment: The alignment to use.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@available(iOS 17.0, *)
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@discardableResult
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func alignment(_ alignment: UIContentUnavailableConfiguration.Alignment) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.alignment = alignment
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return FlexUI(component: config)
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}
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/// Sets the background configuration.
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///
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/// - Parameter background: The background configuration to use.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func background(_ background: UIBackgroundConfiguration) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.background = background
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return FlexUI(component: config)
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}
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/// Sets the directional layout margins.
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///
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/// - Parameter margins: The margins to apply.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func directionalLayoutMargins(_ margins: NSDirectionalEdgeInsets) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.directionalLayoutMargins = margins
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return FlexUI(component: config)
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}
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/// Sets uniform margins for all edges.
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///
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/// - Parameter margin: The margin value to apply to all edges.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func margins(_ margin: CGFloat) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.directionalLayoutMargins = NSDirectionalEdgeInsets(
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top: margin,
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leading: margin,
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bottom: margin,
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trailing: margin
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)
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return FlexUI(component: config)
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}
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/// Sets the padding between the image and text.
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///
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/// - Parameter padding: The padding value.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func imageToTextPadding(_ padding: CGFloat) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.imageToTextPadding = padding
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return FlexUI(component: config)
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}
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/// Sets the padding between text and secondary text.
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///
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/// - Parameter padding: The padding value.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func textToSecondaryTextPadding(_ padding: CGFloat) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.textToSecondaryTextPadding = padding
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return FlexUI(component: config)
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}
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/// Sets the padding between text and button.
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///
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/// - Parameter padding: The padding value.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func textToButtonPadding(_ padding: CGFloat) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.textToButtonPadding = padding
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return FlexUI(component: config)
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}
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/// Sets the padding between buttons.
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///
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/// - Parameter padding: The padding value.
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/// - Returns: The current instance of `FlexUI` for further configuration.
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@discardableResult
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func buttonToSecondaryButtonPadding(_ padding: CGFloat) -> FlexUI<UIContentUnavailableConfiguration> {
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var config = component
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config.buttonToSecondaryButtonPadding = padding
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return FlexUI(component: config)
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}
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}

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