Picker+Style.swift

//
//  Picker+Style.swift
//
//  Copyright 2019, Sven Herzberg
//
//  License: MIT
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to
//  deal in the Software without restriction, including without limitation the
//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
//  sell copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
//  IN THE SOFTWARE.
//

import SwiftUI

enum Pickable: CaseIterable {
    case axe
    case tooth
}

struct WheelPickerView: View {
    
    @State var picked: Pickable
    
    var body: some View {
        Picker(selection: $picked, label: Text("Pick!")) {
            ForEach(Pickable.allCases.identified(by: \.self)) { pickable in
                Text(String(describing: pickable))
                    .tag(pickable)
            }
        }
            .pickerStyle(.wheel)
            .frame(minWidth: 300,
                   maxWidth: .infinity,
                   alignment: .center)
    }
    
}

#if DEBUG
struct WheelPickerView_Previews: PreviewProvider {
    static var previews: some View {
        Group {
            WheelPickerView(picked: .axe)
                .previewDisplayName("Without List")
            NavigationView {
                List {
                    WheelPickerView(picked: .axe)
                        .navigationBarTitle(Text("Wheel Picker"))
                }
            }.previewDisplayName("With List")
        }
    }
}
#endif