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annotate Simoleon/Helpers/CurrencySelector.swift @ 19:94fd7ac93060

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author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Sun, 18 Jul 2021 20:00:05 +0100
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children c3dda63f50ed
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19
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Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
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1 //
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2 // CurrencySelector.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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9
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10 struct CurrencySelector: View {
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11 @Binding var mainCurrencySelected: String
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12 @Binding var secondaryCurrencySelected: String
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13 @Binding var showingCurrencySelector: Bool
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14 @Binding var selectingMainCurrency: Bool
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15
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16 var body: some View {
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17 NavigationView {
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18 Form {
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19 ForEach(generateCurrencyList(), id: \.self) { currency in
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20 Button(action: { select(currency) }) {
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21 CurrencyRow(currency: currency)
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22 }
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23 }
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24 }
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25 .navigationTitle("Currencies")
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26 .navigationBarTitleDisplayMode(.inline)
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27 .toolbar {
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28 ToolbarItem(placement: .confirmationAction) {
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29 Button("OK", action: { showingCurrencySelector = false })
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30 }
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31 }
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32 }
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33 }
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34
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35 private func generateCurrencyList() -> [String] {
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36 let currencyPairs: [String] = parseJson("CurrencyPairs.json")
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37 var currencies: [String] = []
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38
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39 for currencyPair in currencyPairs {
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40 let splittedCurrencies = currencyPair.split(separator: "/")
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41 let mainCurrency = String(splittedCurrencies[0])
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42 if !currencies.contains(mainCurrency) {
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43 currencies.append(mainCurrency)
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44 }
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45 }
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46
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47 return currencies
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48 }
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49
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50 private func select(_ currency: String) {
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51 if selectingMainCurrency {
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52 self.mainCurrencySelected = currency
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53 } else {
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54 self.secondaryCurrencySelected = currency
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55 }
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56
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57 showingCurrencySelector = false
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58 }
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59 }
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60
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61 struct CurrencySelector_Previews: PreviewProvider {
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62 static var previews: some View {
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63 CurrencySelector(mainCurrencySelected: .constant(""), secondaryCurrencySelected: .constant(""), showingCurrencySelector: .constant(false), selectingMainCurrency: .constant(true))
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64 }
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65 }