82 lines
2.5 KiB
Swift
82 lines
2.5 KiB
Swift
//
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// List.swift
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// MacBackend
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//
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// Created by david-swift on 23.11.2024.
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//
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import SwiftUI
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/// A list widget.
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public struct List<Element>: SwiftUIWidget where Element: Identifiable {
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/// The elements.
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var elements: [Element]
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/// The selected element.
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var selection: Meta.Binding<Element.ID?>
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/// The content for an element.
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var content: (Element) -> Body
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/// The action at the bottom.
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var bottomAction: ((String, Icon), () -> Void)?
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/// The wrapped views.
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public var wrappedViews: [String: any Meta.AnyView] {
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elements.reduce(into: [:]) { partialResult, element in
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partialResult["\(element.id)"] = content(element)
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}
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}
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/// Initialize a list widget.
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/// - Parameters:
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/// - elements: The elements.
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/// - selection: The selected element.
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/// - content: The content for an element.
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public init(
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_ elements: [Element],
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selection: Meta.Binding<Element.ID?>,
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@Meta.ViewBuilder content: @escaping (Element) -> Body
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) {
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self.elements = elements
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self.content = content
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self.selection = selection
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}
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/// Get the SwiftUI view.
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/// - Parameter properties: The widget data.
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/// - Returns: The SwiftUI view.
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public static func view(properties: Self) -> some SwiftUI.View {
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SwiftUI.List(properties.elements, selection: properties.selection.swiftUI) { element in
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MacBackendView("\(element.id)")
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}
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.safeAreaInset(edge: .bottom, alignment: .leading) {
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if let action = properties.bottomAction {
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SwiftUI.Button {
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action.1()
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} label: {
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SwiftUI.Label {
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SwiftUI.Text(action.0.0)
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} icon: {
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action.0.1.image
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}
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}
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.buttonStyle(.plain)
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.foregroundStyle(.secondary)
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.symbolVariant(.circle)
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.padding([.bottom, .leading], 7)
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}
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}
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}
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/// Add a button to the bottom of the list.
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/// - Parameters:
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/// - label: The button's label.
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/// - icon: The button's icon.
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/// - visible: Whether the button is visible.
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/// - handler: The handler.
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/// - Returns: The list.
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public func bottomAction(_ label: String, icon: Icon, visible: Bool = true, handler: @escaping () -> Void) -> Self {
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modify { $0.bottomAction = visible ? ((label, icon), handler) : nil }
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}
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}
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