term-kit-backend/Sources/TermKitBackend/View/Checkbox.swift

66 lines
1.8 KiB
Swift

//
// Checkbox.swift
// TermKitBackend
//
// Created by david-swift on 07.07.2024.
//
import TermKit
/// A simple checkbox widget.
public struct Checkbox: TermKitWidget {
/// The label of the checkbox.
var label: String
/// Whether the checkbox is on.
var isOn: Binding<Bool>
/// Initialize the checkbox.
/// - Parameters:
/// - label: The label.
/// - isOn: Whether the checkbox is on.
public init(_ label: String, isOn: Binding<Bool>) {
self.label = label
self.isOn = isOn
}
/// The view storage.
/// - Parameters:
/// - modifiers: Modify views before being updated.
/// - type: The type of the app storage.
/// - Returns: The view storage.
public func container<Data>(
modifiers: [(any AnyView) -> any AnyView],
type: Data.Type
) -> ViewStorage where Data: ViewRenderData {
let button = TermKit.Checkbox(label, checked: isOn.wrappedValue)
button.toggled = { _ in
isOn.wrappedValue = button.checked
}
return .init(button)
}
/// Update the stored content.
/// - Parameters:
/// - storage: The storage to update.
/// - modifiers: Modify views before being updated
/// - updateProperties: Whether to update the view's properties.
/// - type: The type of the app storage.
public func update<Data>(
_ storage: ViewStorage,
modifiers: [(any AnyView) -> any AnyView],
updateProperties: Bool,
type: Data.Type
) where Data: ViewRenderData {
guard let storage = storage.pointer as? TermKit.Checkbox, updateProperties else {
return
}
storage.text = label
storage.checked = isOn.wrappedValue
storage.toggled = { _ in
isOn.wrappedValue = storage.checked
}
}
}