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annotate Simoleon/UI/CurrencyList.swift @ 170:f4e0c414cf6d

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minor UI changes
author Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
date Thu, 23 Sep 2021 15:14:48 +0200
parents 1940db1ef321
children
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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 var selection: Selection
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13 @ObservedObject var currencyConversion: CurrencyConversion
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14 @State private var searchCurrency = ""
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15
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16 @Environment(\.presentationMode) private var presentation
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17 let currencyDetails: [String: CurrencyModel] = try! readJson(from: "Currencies.json")
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18
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19 var searchResults: [String] {
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20 if searchCurrency.isEmpty {
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21 return currencies.sorted()
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22 } else {
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23 return currencies.filter {$0.contains(searchCurrency.uppercased())}
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24 }
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25 }
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26
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27 var body: some View {
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28 NavigationView {
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29 List {
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30 SearchBar(placeholder: "Search...", text: $searchCurrency)
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31 .padding(.vertical, 4)
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32 .accessibilityIdentifier("CurrencySearchBar")
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33
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34 ForEach(searchResults, id: \.self) { symbol in
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35 Button(action: {
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36 if selection == .baseSymbol {
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37 currencyConversion.baseSymbol = symbol
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38 } else {
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39 currencyConversion.quoteSymbol = symbol
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40 }
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41
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42 presentation.wrappedValue.dismiss()
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43 }) {
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44 let currency = currencyDetails[symbol]!
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45 CurrencyRow(currency: currency)
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46 .padding(.vertical, 4)
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47 }
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48 }
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49 }
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50 .listStyle()
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51 .navigationTitle("Currencies")
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52 .navigationBarTitleDisplayMode(.inline)
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53 .toolbar {
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54 ToolbarItem(placement: .cancellationAction) {
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55 Button(action: { presentation.wrappedValue.dismiss() }) {
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56 Text("Cancel")
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57 }
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58 }
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59 }
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60 }
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61 }
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62
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63 enum Selection {
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64 case baseSymbol, quoteSymbol
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65 }
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66 }
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67 extension View {
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68 func listStyle() -> some View {
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69 self.modifier(ListModifier())
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70 }
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71 }
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72
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73 struct CurrencyList_Previews: PreviewProvider {
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74 static var previews: some View {
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75 CurrencyList(currencies: ["USD"], selection: .baseSymbol, currencyConversion: CurrencyConversion())
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76 }
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77 }