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annotate Simoleon/UI/CurrencyList.swift @ 157:8c3bbd640103

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Implement Currency Selector
author Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
date Sat, 28 Aug 2021 11:15:41 +0100
parents
children 0c589138a6f3
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157
8c3bbd640103 Implement Currency Selector
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1 //
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2 // CurrencyList.swift
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3 // Simoleon
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4 //
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5 // Created by Dennis Concepción Martín on 24/8/21.
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6 //
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7
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8 import SwiftUI
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9
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10 struct CurrencyList: View {
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11 var currencies: [String]
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12 @Binding var selectedCurrency: String
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13 @State private var searchCurrency = ""
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14 @Environment(\.presentationMode) private var presentation
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15 let currencyDetails: [String: CurrencyModel] = try! read(json: "Currencies.json")
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16
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17 var searchResults: [String] {
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18 if searchCurrency.isEmpty {
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19 return currencies.sorted()
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20 } else {
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21 return currencies.filter {$0.contains(searchCurrency.uppercased())}
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22 }
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23 }
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24
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25 var body: some View {
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26 NavigationView {
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27 List {
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28 SearchBar(placeholder: "Search...", text: $searchCurrency)
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29 .padding(.vertical)
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30 .accessibilityIdentifier("CurrencySearchBar")
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31
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32 ForEach(searchResults, id: \.self) { symbol in
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33 Button(action: {selectedCurrency = symbol; presentation.wrappedValue.dismiss()}) {
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34 let currency = currencyDetails[symbol]!
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35 CurrencyRow(currency: currency)
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36 }
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37 }
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38 }
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39 .listStyle()
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40 .navigationTitle("Currencies")
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41 .navigationBarTitleDisplayMode(.inline)
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42 .toolbar {
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43 ToolbarItem(placement: .cancellationAction) {
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44 Button(action: { presentation.wrappedValue.dismiss() }) {
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45 Text("Cancel")
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46 }
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47 }
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48 }
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49 }
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50 }
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51 }
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52 extension View {
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53 func listStyle() -> some View {
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54 self.modifier(ListModifier())
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55 }
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56 }
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57
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58 struct CurrencyList_Previews: PreviewProvider {
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59 static var previews: some View {
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60 CurrencyList(currencies: ["USD"], selectedCurrency: .constant("USD"))
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61 }
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62 }