1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/* MIT License
* Copyright (c) 2022 young rtSwift
*
* 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
public extension View {
var anyView: AnyView {
AnyView(self)
}
}
// MARK: -
// Our ListStyle each case corresponds to a SwiftUI.ListStyle
// Here we make it CaseIterable for SwiftUI.ForEach
// and the UI Display name
public enum MyListStyle: String, CaseIterable, Hashable {
case automatic
case grouped
case inset
case insetGrouped
case plain
case sidebar
// map to SwiftUI ListStyle
var style: any SwiftUI.ListStyle {
switch self {
case .automatic: return .automatic
case .grouped: return .grouped
case .inset: return .inset
case .insetGrouped: return .insetGrouped
case .plain: return .plain
case .sidebar: return .sidebar
}
}
var displayName: String {
String(self.rawValue)
}
}
// MARK: -
#if DEBUG
struct AnyViewDemo: View {
@State private var selectedStyle = MyListStyle.automatic
let sections = ["Breakfast" : ["pancakes", "bacon", "orange juice"],
"Lunch" : ["sandwich", "chips", "lemonade"],
"Dinner" : ["spaghetti", "bread", "water"]]
var body: some View {
VStack {
Picker("List Style", selection: $selectedStyle) {
ForEach(MyListStyle.allCases, id: \.self) {
Text($0.displayName.capitalized).tag($0)
}
}
let keys = Array(sections.keys)
List(keys.indices, id: \.self) { index in
let key = keys[index]
if let section = sections[key] {
Section(key) {
ForEach(section, id: \.self) { item in
Text(item)
}
}
}
}
.listStyle(selectedStyle.style)
.anyView
}
}
}
struct AnyViewDemo_Previews: PreviewProvider {
static var previews: some View {
AnyViewDemo()
}
}
#endif
|
