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comparison Simoleon/Helpers/CurrencySelector.swift @ 21:c3dda63f50ed v1.1

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Added Core Data and UI changes - Implement Watchlist - Change conversion design - Improve UX
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Mon, 19 Jul 2021 19:27:12 +0100
parents 94fd7ac93060
children 4f862c618b44
comparison
equal deleted inserted replaced
20:f8aabe5b7251 21:c3dda63f50ed
6 // 6 //
7 7
8 import SwiftUI 8 import SwiftUI
9 9
10 struct CurrencySelector: View { 10 struct CurrencySelector: View {
11 @Binding var mainCurrencySelected: String 11 @Binding var currencyPair: String
12 @Binding var secondaryCurrencySelected: String
13 @Binding var showingCurrencySelector: Bool 12 @Binding var showingCurrencySelector: Bool
14 @Binding var selectingMainCurrency: Bool 13 @State private var searchCurrency = ""
14 @State private var searching = false
15 15
16 var body: some View { 16 var body: some View {
17 NavigationView { 17 NavigationView {
18 Form { 18 Form {
19 ForEach(generateCurrencyList(), id: \.self) { currency in 19 TextField("Search ...", text: $searchCurrency) { startedEditing in
20 Button(action: { select(currency) }) { 20 if startedEditing {
21 CurrencyRow(currency: currency) 21 withAnimation {
22 searching = true
23 }
24 }
25 } onCommit: {
26 withAnimation {
27 searching = false
28 }
29 }
30
31 Section(header: Text("All currencies")) {
32 ForEach(currencyPairs(), id: \.self) { currencyPair in
33 Button(action: {
34 self.currencyPair = currencyPair
35 showingCurrencySelector = false
36 }) {
37 CurrencyRow(currencyPair: currencyPair)
38 }
22 } 39 }
23 } 40 }
24 } 41 }
42 .gesture(DragGesture()
43 .onChanged({ _ in
44 UIApplication.shared.dismissKeyboard()
45 })
46 )
25 .navigationTitle("Currencies") 47 .navigationTitle("Currencies")
26 .navigationBarTitleDisplayMode(.inline) 48 .navigationBarTitleDisplayMode(.inline)
27 .toolbar { 49 .toolbar {
28 ToolbarItem(placement: .confirmationAction) { 50 ToolbarItem(placement: .confirmationAction) {
29 Button("OK", action: { showingCurrencySelector = false }) 51 Button("OK", action: { showingCurrencySelector = false })
30 } 52 }
53
54 ToolbarItem(placement: .cancellationAction) {
55 if searching {
56 Button("Cancel") {
57 searchCurrency = ""
58 withAnimation {
59 searching = false
60 UIApplication.shared.dismissKeyboard()
61 }
62 }
63 }
64 }
31 } 65 }
32 } 66 }
33 } 67 }
34 68
35 private func generateCurrencyList() -> [String] { 69 private func currencyPairs() -> [String] {
36 let currencyPairs: [String] = parseJson("CurrencyPairs.json") 70 let currencyPairs: [String] = parseJson("CurrencyPairs.json")
37 var currencies: [String] = []
38 71
39 for currencyPair in currencyPairs { 72 if searchCurrency.isEmpty {
40 let splittedCurrencies = currencyPair.split(separator: "/") 73 return currencyPairs
41 let mainCurrency = String(splittedCurrencies[0]) 74 } else {
42 if !currencies.contains(mainCurrency) { 75 return currencyPairs.filter { $0.contains(searchCurrency.uppercased()) }
43 currencies.append(mainCurrency)
44 }
45 } 76 }
46
47 return currencies
48 }
49
50 private func select(_ currency: String) {
51 if selectingMainCurrency {
52 self.mainCurrencySelected = currency
53 } else {
54 self.secondaryCurrencySelected = currency
55 }
56
57 showingCurrencySelector = false
58 } 77 }
59 } 78 }
60 79
80
61 struct CurrencySelector_Previews: PreviewProvider { 81 struct CurrencySelector_Previews: PreviewProvider {
62 static var previews: some View { 82 static var previews: some View {
63 CurrencySelector(mainCurrencySelected: .constant(""), secondaryCurrencySelected: .constant(""), showingCurrencySelector: .constant(false), selectingMainCurrency: .constant(true)) 83 CurrencySelector(currencyPair: .constant("USD/GBP"), showingCurrencySelector: .constant(false))
64 } 84 }
65 } 85 }