Tokamak/Sources/TokamakCore/Views/Toggle.swift

55 lines
1.5 KiB
Swift

// Copyright 2018-2020 Tokamak contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Created by Jed Fox on 07/04/2020.
//
public struct Toggle<Label>: View where Label: View {
@Binding var isOn: Bool
var label: Label
@Environment(\.toggleStyle) var toggleStyle
public init(isOn: Binding<Bool>, label: () -> Label) {
_isOn = isOn
self.label = label()
}
public var body: AnyView {
toggleStyle.makeBody(
configuration: ToggleStyleConfiguration(label: AnyView(label), isOn: $isOn)
)
}
}
extension Toggle where Label == Text {
public init<S>(_ title: S, isOn: Binding<Bool>) where S: StringProtocol {
self.init(isOn: isOn) {
Text(title)
}
}
}
extension Toggle where Label == AnyView {
public init(_ configuration: ToggleStyleConfiguration) {
label = configuration.label
_isOn = configuration.$isOn
}
}
extension Toggle: ParentView {
public var children: [AnyView] {
(label as? GroupView)?.children ?? [AnyView(label)]
}
}