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@nicnocquee
Created March 17, 2021 13:10
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Swift Enumerations to SwiftUI list view
struct EnumListView<Enum: RawRepresentable &
CaseIterable &
CustomStringConvertible> : View where
Enum.RawValue: Hashable,
Enum.AllCases: RandomAccessCollection {
var title: String = ""
@Binding var selectedItem: Enum?
var body: some View {
NavigationView {
List {
ForEach(Enum.allCases, id: \.rawValue) { (status) in
Button(action: {
selectedItem = Enum(rawValue: status.rawValue)!
}, label: {
HStack {
Text(status.description)
Spacer()
if selectedItem != nil && selectedItem! == status {
Image(systemName: "checkmark")
}
}
})
}
}
.navigationBarTitle(LocalizedStringKey(title))
}
}
}
struct EnumListView_Previews: PreviewProvider {
enum MugiwaraPirates: String, CaseIterable, CustomStringConvertible {
case luffy
case zoro
case sanji
case jinbei
case franky
case nami
case robin
case chopper
case brook
case usopp
var description: String {
return self.rawValue.capitalized
}
}
enum PiratesBounty: Int, CaseIterable, CustomStringConvertible {
case luffy = 1500000000
case blackbeard = 2247600000
case shanks = 4048900000
case bigMom = 4388000000
case kaido = 4611100000
case whitebeard = 5046000000
case roger = 5564800000
var name: String {
switch self {
case .luffy:
return "Luffy"
case .blackbeard:
return "Blackbeard"
case .shanks:
return "Shanks"
case .bigMom:
return "Big Mom"
case .kaido:
return "Kaido"
case .whitebeard:
return "White Beard"
case .roger:
return "Gol D. Roger"
}
}
var description: String {
let formatter = NumberFormatter()
formatter.numberStyle = .decimal
let value = formatter.string(from: NSNumber(value: self.rawValue))!
return "\(self.name): \(value) Berries"
}
}
static var previews: some View {
Group {
EnumListView<PiratesBounty>(title: "Bounties", selectedItem: .constant(.luffy))
EnumListView<MugiwaraPirates>(title: "Mugiwara Pirates", selectedItem: .constant(.luffy))
}
}
}
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