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annotate Simoleon/Helpers/ConversionBox.swift @ 152:2584fd74235a

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Add new currencies
author Dennis Concepcion Martin <dennisconcepcionmartin@gmail.com>
date Mon, 23 Aug 2021 17:14:14 +0100
parents 6eac99e99b96
children
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1 //
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2 // ConversionBox.swift
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3 // Simoleon
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4 //
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5 // Created by Dennis Concepción Martín on 18/07/2021.
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6 //
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7
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8 import SwiftUI
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10 struct ConversionBox: View {
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11 @Binding var currencyPair: String
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12 @Binding var amountToConvert: String
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13 @Binding var price: Double
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14 @Binding var showingConversion: Bool
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15 @Binding var amountIsEditing: Bool
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17 var body: some View {
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18 VStack(alignment: .leading) {
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19 let currencyDetails: [String: CurrencyDetailsModel] = try! read(json: "CurrencyDetails.json")
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20 let currencies = currencyPair.split(separator: "/")
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21 Text("\(currencyDetails[String(currencies[0])]!.name) (\(String(currencies[0])))")
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22 .font(.callout)
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23 .fontWeight(.semibold)
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24 .padding(.top, 40)
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26 ZStack(alignment: .trailing) {
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27 TextField("Enter amount", text: $amountToConvert) { startedEditing in
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28 if startedEditing {
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29 withAnimation {
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30 amountIsEditing = true
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31 }
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32 }
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33 }
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34 onCommit: {
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35 withAnimation {
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36 amountIsEditing = false
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37 }
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38 }
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39 .keyboardType(.decimalPad)
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40 .font(Font.title.weight(.semibold))
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41 .lineLimit(1)
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42 .accessibilityIdentifier("ConversionTextField")
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43 }
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45 Divider()
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47 Text("\(currencyDetails[String(currencies[1])]!.name) (\(String(currencies[1])))")
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48 .font(.callout)
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49 .fontWeight(.semibold)
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50 .padding(.top, 10)
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51
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52 if showingConversion {
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53 Text("\(makeConversion(), specifier: "%.2f")")
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54 .font(Font.title.weight(.semibold))
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55 .lineLimit(1)
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56 .padding(.top, 5)
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57 } else {
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58 ProgressView()
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59 .padding(.top, 5)
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60 }
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61 }
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62 }
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64 /*
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65 if the amount can be converted to Double:
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66 * Return amount
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67 else:
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68 * Return zero
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69 */
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70 func makeConversion() -> Double {
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71 if let amountToConvert = Double(amountToConvert) {
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72 return amountToConvert * price // Conversion
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73 } else {
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74 return 0
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75 }
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76 }
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77 }
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80 struct ConversionBox_Previews: PreviewProvider {
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81 static var previews: some View {
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82 ConversionBox(
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83 currencyPair: .constant("USD/GBP"),
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84 amountToConvert: .constant("1000"),
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85 price: .constant(1),
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86 showingConversion: .constant(false),
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87 amountIsEditing: .constant(false)
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88 )
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89 }
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90 }