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