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annotate LazyBear/Views/Profile/Helpers/RenameListSheet.swift @ 430:c78d5b5b3bda

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Minor updates
author Dennis Concepción Martín <66180929+denniscm190@users.noreply.github.com>
date Sat, 19 Jun 2021 16:21:26 +0200
parents 8c58ce834d95
children
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1 //
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2 // RenameListSheet.swift
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3 // LazyBear
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4 //
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5 // Created by Dennis Concepción Martín on 18/6/21.
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6 //
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7
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8 import SwiftUI
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9 import Introspect
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10
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11 struct RenameListSheet: View {
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12 var oldWatchlistName: String
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14 @State private var newWatchlistName = String()
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16 @Environment(\.presentationMode) private var renameListSheetPresentation
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17 @Environment(\.managedObjectContext) private var moc
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18 @FetchRequest(entity: WatchlistCompany.entity(), sortDescriptors: [])
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19 var watchlistCompanies: FetchedResults<WatchlistCompany>
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20
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21 var body: some View {
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22 NavigationView {
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23 Form {
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24 let header = "Need ideas? Try my portfolio, or banks"
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25 Section(header: Text(header)) {
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26 TextField("Enter a name", text: $newWatchlistName)
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27 .introspectTextField { textField in
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28 textField.becomeFirstResponder()
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29 }
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30 }
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31 }
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32 .navigationTitle("Rename your watchlist")
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33 .toolbar {
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34 ToolbarItem(placement: .navigationBarLeading) {
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35 Button(action: { renameListSheetPresentation.wrappedValue.dismiss() }) {
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36 Image(systemName: "multiply")
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37 }
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38 }
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40 ToolbarItem(placement: .navigationBarTrailing) {
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41 if !newWatchlistName.isEmpty {
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42 Button("Done", action: { renameWatchlist() })
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43 }
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44 }
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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 Rename watchlistName variable from each Core Data (WatchlistCompany) object
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51 */
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52 private func renameWatchlist() {
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53 for watchlistCompany in watchlistCompanies {
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54 watchlistCompany.watchlistName = newWatchlistName
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55 }
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56
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57 do {
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58 try moc.save()
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59 renameListSheetPresentation.wrappedValue.dismiss()
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60
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61 } catch {
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62 print(error.localizedDescription)
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63 }
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64 }
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65 }
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66
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67 struct RenameListSheet_Previews: PreviewProvider {
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68 @Environment(\.presentationMode) static var presentationMode
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69
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70 static var previews: some View {
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71 RenameListSheet(oldWatchlistName: "Old name")
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72 }
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73 }