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feat: 馃幐 [JIRA: 2219] List picker with single selection
Support single selection and allow empty filter condition
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139 changes: 139 additions & 0 deletions
139
Apps/Examples/Examples/FioriSwiftUICore/FormCells/SearchableListViewExample.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| import FioriSwiftUICore | ||
| import SwiftUI | ||
|
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| struct SearchableListViewExample: View { | ||
| @Environment(\.presentationMode) var presentationMode | ||
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| private let model = ListPickerItemDataModel.data | ||
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| @State var selection1: Set<UUID> = [] | ||
| @State var selection2: Set<UUID> = [ListPickerItemDataModel.data.last?.id ?? UUID()] | ||
| @State var selection3: Set<UUID> = [] | ||
| @State var selection4: Set<UUID> = [] | ||
| @State var selection5: Set<UUID> = [] | ||
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| @State var presentingModal: Bool = false | ||
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| public var body: some View { | ||
| VStack { | ||
| HStack { | ||
| Text("empty first") | ||
| Spacer() | ||
| NavigationLink { | ||
| pickerView($selection1) | ||
| } label: { | ||
| let str = selectedValues(Array(selection1)) | ||
| Text(str.isEmpty ? "pick one" : str) | ||
| .frame(minWidth: 100, minHeight: 40) | ||
| .background(Color.black.opacity(0.1)) | ||
| } | ||
| } | ||
|
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| HStack { | ||
| Text("with pre-selection") | ||
| Spacer() | ||
| NavigationLink { | ||
| pickerView($selection2) | ||
| } label: { | ||
| let str = selectedValues(Array(selection2)) | ||
| Text(str) | ||
| .frame(minWidth: 100, minHeight: 40) | ||
| .background(Color.black.opacity(0.1)) | ||
| } | ||
| } | ||
|
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| HStack { | ||
| Text("allow multi-selections") | ||
| Spacer() | ||
| NavigationLink { | ||
| pickerView($selection3, true) | ||
| } label: { | ||
| let str = selectedValues(Array(selection3)) | ||
| Text(str) | ||
| .frame(minWidth: 100, minHeight: 40) | ||
| .background(Color.black.opacity(0.1)) | ||
| } | ||
| } | ||
|
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| HStack { | ||
| Text("empty search filter") | ||
| Spacer() | ||
| NavigationLink { | ||
| pickerView($selection4, false, true) | ||
| } label: { | ||
| let str = selectedValues(Array(selection4)) | ||
| Text(str) | ||
| .frame(minWidth: 100, minHeight: 40) | ||
| .background(Color.black.opacity(0.1)) | ||
| } | ||
| } | ||
|
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| HStack { | ||
| Text("sheet present") | ||
| Spacer() | ||
| let str = selectedValues(Array(selection5)) | ||
| Text(str) | ||
| .frame(minWidth: 100, minHeight: 40) | ||
| .background(Color.black.opacity(0.1)) | ||
| .onTapGesture { | ||
| presentingModal = true | ||
| } | ||
| .sheet(isPresented: $presentingModal) { | ||
| NavigationView { | ||
| pickerView($selection5) | ||
| } | ||
| } | ||
| } | ||
|
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| Spacer() | ||
| } | ||
| .padding() | ||
| .navigationBarTitle(Text("SeachableListViewExample")) | ||
| } | ||
|
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| func selectedValues(_ selection: [UUID]) -> String { | ||
| let str = selection.compactMap { uuid in | ||
| if let framework = ListPickerItemDataModel.getFramwork(with: uuid) { | ||
| return framework.name | ||
| } | ||
| return nil | ||
| }.joined(separator: ", ") | ||
| return str | ||
| } | ||
|
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| func pickerView(_ selection: Binding<Set<UUID>>, _ allowsMultipleSelection: Bool = false, _ emptySearch: Bool = false) -> some View { | ||
| if #available(iOS 15.0, *) { | ||
| let filter: ((ListPickerItemDataModel.Framework, String) -> Bool) = { f, s in | ||
| if s.count > 0 { | ||
| return f.name.localizedCaseInsensitiveContains(s) | ||
| } else { | ||
| return true | ||
| } | ||
| } | ||
| return SearchableListView(data: model, id: \.id, children: \.children, | ||
| selection: selection, | ||
| allowsMultipleSelection: allowsMultipleSelection, | ||
| searchFilter: emptySearch ? nil : filter) { framework in | ||
| ObjectItem { | ||
| Text(framework.name) | ||
| } descriptionText: { | ||
| Text("description") | ||
| } status: { | ||
| Image(systemName: "sun.min") | ||
| } detailImage: { | ||
| Image(systemName: "mail") | ||
| } | ||
| } | ||
| } else { | ||
| return EmptyView() | ||
| } | ||
| } | ||
| } | ||
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| struct SearchableListViewExample_Previews: PreviewProvider { | ||
| static var previews: some View { | ||
| NavigationView { | ||
| SearchableListViewExample() | ||
| } | ||
| } | ||
| } |
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