回答編集履歴
7
ZStack を忘れていたため追記しました。
test
CHANGED
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@@ -61,6 +61,7 @@
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61
61
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@State var isPresentedProgressView = false
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62
62
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@State var isNavigationLinkActive: [Bool] = []
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63
63
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var body: some View {
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64
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+
ZStack{
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64
65
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NavigationView {
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65
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List {
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66
67
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ForEach(0 ..< threads.count, id: \.self) { i in
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@@ -116,6 +117,7 @@
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116
117
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ProgressView("読み込み中")
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117
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}
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}
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120
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+
}
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121
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private func manageProgress(_ index: Int) {
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121
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// ProgressView 表示
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6
インジケーターを忘れていたため追記しました。
test
CHANGED
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@@ -111,6 +111,10 @@
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111
111
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.alert(isPresented: $showAlert, content: {
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112
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Alert(title: Text("削除に失敗しました。権限がないようです。"))
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113
113
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})
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114
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+
if isPresentedProgressView {
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115
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+
Color.gray.opacity(0.5)
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116
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+
ProgressView("読み込み中")
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117
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+
}
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114
118
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}
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120
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private func manageProgress(_ index: Int) {
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5
なぜインジケーターが起動しないかどうかの推測を追記しました。
test
CHANGED
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@@ -1,3 +1,7 @@
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1
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+
manageProgress() メソッドが実行されていないため
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2
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+
インジケーターが起動していないと推測します。
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3
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+
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4
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+
また、
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1
5
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NavigationStack の外に ProgressView() を出す方針で
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2
6
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組んでみては如何でしょうか？
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3
7
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4
誤りを修正しました。
test
CHANGED
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@@ -87,10 +87,11 @@
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87
87
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.onAppear {
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88
88
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DispatchQueue.main.asyncAfter(deadline: .now()+0.3) {
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89
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getThread()
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90
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+
ForEach(self.threads, id: \.objectId) { thread in
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91
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+
isNavigationLinkActive.append(false)
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92
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+
}
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90
93
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}
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91
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-
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94
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+
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92
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-
isNavigationLinkActive.append(false)
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93
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-
}
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94
95
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}
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95
96
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.sheet(isPresented: $showModal) {
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96
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AddThreadView()
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@@ -98,6 +99,9 @@
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98
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.onChange(of: showModal, perform: { _ in
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99
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if !showModal {
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100
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getThread()
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102
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+
ForEach(self.threads, id: \.objectId) { thread in
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103
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+
isNavigationLinkActive.append(false)
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104
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+
}
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101
105
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}
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102
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})
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103
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.alert(isPresented: $showAlert, content: {
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3
manageProgress メソッドが実行されていなかったため、実行されるよう修正しました。
test
CHANGED
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@@ -45,7 +45,6 @@
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45
45
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46
46
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動くか分かりませんが
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47
47
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次のような内容です。
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48
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-
(manageProgress() メソッドが呼ばれていないため、動かないような気はします)
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49
48
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50
49
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```Swift
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51
50
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import SwiftUI
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@@ -56,58 +55,60 @@
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56
55
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@State private var showModal = false
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57
56
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@State private var showAlert = false
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58
57
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@State var isPresentedProgressView = false
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58
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+
@State var isNavigationLinkActive: [Bool] = []
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59
59
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var body: some View {
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60
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+
NavigationView {
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61
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+
List {
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62
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+
ForEach(0 ..< threads.count, id: \.self) { i in
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60
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-
ZStack {
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63
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+
ZStack {
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61
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-
NavigationView {
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62
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-
List {
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63
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-
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64
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+
Button(action: manageProgress(i)){}
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64
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-
NavigationLink(destination: ThreadView(thread: thread)) {
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65
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+
NavigationLink(destination: ThreadView(thread: threads[i]), isActive: $isNavigationLinkActive[i]) {
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65
66
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ThreadListRow(thread: thread)
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66
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}
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67
68
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}
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68
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-
.onDelete(perform: delete)
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69
69
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}
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70
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+
.onDelete(perform: delete)
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71
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+
}
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70
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-
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72
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+
.navigationBarTitle("掲示板", displayMode: .inline)
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71
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-
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73
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+
.toolbar {
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72
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-
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74
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+
ToolbarItem(placement: .navigationBarTrailing) {
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73
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-
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75
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+
Button {
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74
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-
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76
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+
showModal.toggle()
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75
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-
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77
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+
} label: {
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76
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-
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78
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+
Image(systemName: "plus")
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77
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-
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79
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+
.resizable()
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78
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-
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80
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+
.padding(6)
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79
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-
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81
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+
.frame(width: 24, height: 24)
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80
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-
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82
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+
.foregroundColor(.blue)
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81
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-
}
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82
83
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}
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83
84
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}
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84
85
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}
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86
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+
}
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85
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-
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87
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+
.onAppear {
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86
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-
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88
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+
DispatchQueue.main.asyncAfter(deadline: .now()+0.3) {
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87
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-
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89
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+
getThread()
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88
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-
}
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89
90
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}
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91
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+
ForEach(self.threads, id: \.objectId) { thread in
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90
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-
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92
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+
isNavigationLinkActive.append(false)
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91
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-
AddThreadView()
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92
93
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}
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93
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-
.onChange(of: showModal, perform: { _ in
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94
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-
if !showModal {
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95
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-
getThread()
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96
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-
}
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97
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-
})
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98
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-
.alert(isPresented: $showAlert, content: {
|
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99
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-
Alert(title: Text("削除に失敗しました。権限がないようです。"))
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100
|
-
})
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101
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-
if isPresentedProgressView {
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102
|
-
Color.gray.opacity(0.5)
|
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103
|
-
ProgressView("読み込み中")
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104
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-
} //追記
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105
94
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}
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95
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+
.sheet(isPresented: $showModal) {
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96
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+
AddThreadView()
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97
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+
}
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98
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+
.onChange(of: showModal, perform: { _ in
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99
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+
if !showModal {
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100
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+
getThread()
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101
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+
}
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102
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+
})
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103
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+
.alert(isPresented: $showAlert, content: {
|
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104
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+
Alert(title: Text("削除に失敗しました。権限がないようです。"))
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105
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+
})
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106
106
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}
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|
107
107
|
|
|
108
|
-
private func manageProgress() {
|
|
108
|
+
private func manageProgress(_ index: Int) {
|
|
109
109
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// ProgressView 表示
|
|
110
110
|
isPresentedProgressView = true
|
|
111
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+
isNavigationLinkActive[index] = true
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111
112
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// 3秒後に非表示に
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112
113
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DispatchQueue.main.asyncAfter(deadline: .now() + 3.0) {
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113
114
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self.isPresentedProgressView = false
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2
補足を追記しました。
test
CHANGED
|
@@ -45,6 +45,7 @@
|
|
|
45
45
|
|
|
46
46
|
動くか分かりませんが
|
|
47
47
|
次のような内容です。
|
|
48
|
+
(manageProgress() メソッドが呼ばれていないため、動かないような気はします)
|
|
48
49
|
|
|
49
50
|
```Swift
|
|
50
51
|
import SwiftUI
|
1
変更例を挙げました。
test
CHANGED
|
@@ -42,3 +42,96 @@
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|
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42
42
|
}
|
|
43
43
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}
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|
44
44
|
```
|
|
45
|
+
|
|
46
|
+
動くか分かりませんが
|
|
47
|
+
次のような内容です。
|
|
48
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+
|
|
49
|
+
```Swift
|
|
50
|
+
import SwiftUI
|
|
51
|
+
import NCMB
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|
52
|
+
|
|
53
|
+
struct ThreadListView: View {
|
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54
|
+
@State private var threads: [NCMBObject] = []
|
|
55
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+
@State private var showModal = false
|
|
56
|
+
@State private var showAlert = false
|
|
57
|
+
@State var isPresentedProgressView = false
|
|
58
|
+
var body: some View {
|
|
59
|
+
ZStack {
|
|
60
|
+
NavigationView {
|
|
61
|
+
List {
|
|
62
|
+
ForEach(self.threads, id: \.objectId) { thread in
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63
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+
NavigationLink(destination: ThreadView(thread: thread)) {
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64
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+
ThreadListRow(thread: thread)
|
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65
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+
}
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|
66
|
+
}
|
|
67
|
+
.onDelete(perform: delete)
|
|
68
|
+
}
|
|
69
|
+
.navigationBarTitle("掲示板", displayMode: .inline)
|
|
70
|
+
.toolbar {
|
|
71
|
+
ToolbarItem(placement: .navigationBarTrailing) {
|
|
72
|
+
Button {
|
|
73
|
+
showModal.toggle()
|
|
74
|
+
} label: {
|
|
75
|
+
Image(systemName: "plus")
|
|
76
|
+
.resizable()
|
|
77
|
+
.padding(6)
|
|
78
|
+
.frame(width: 24, height: 24)
|
|
79
|
+
.foregroundColor(.blue)
|
|
80
|
+
}
|
|
81
|
+
}
|
|
82
|
+
}
|
|
83
|
+
}
|
|
84
|
+
.onAppear {
|
|
85
|
+
DispatchQueue.main.asyncAfter(deadline: .now()+0.3) {
|
|
86
|
+
getThread()
|
|
87
|
+
}
|
|
88
|
+
}
|
|
89
|
+
.sheet(isPresented: $showModal) {
|
|
90
|
+
AddThreadView()
|
|
91
|
+
}
|
|
92
|
+
.onChange(of: showModal, perform: { _ in
|
|
93
|
+
if !showModal {
|
|
94
|
+
getThread()
|
|
95
|
+
}
|
|
96
|
+
})
|
|
97
|
+
.alert(isPresented: $showAlert, content: {
|
|
98
|
+
Alert(title: Text("削除に失敗しました。権限がないようです。"))
|
|
99
|
+
})
|
|
100
|
+
if isPresentedProgressView {
|
|
101
|
+
Color.gray.opacity(0.5)
|
|
102
|
+
ProgressView("読み込み中")
|
|
103
|
+
} //追記
|
|
104
|
+
}
|
|
105
|
+
}
|
|
106
|
+
|
|
107
|
+
private func manageProgress() {
|
|
108
|
+
// ProgressView 表示
|
|
109
|
+
isPresentedProgressView = true
|
|
110
|
+
// 3秒後に非表示に
|
|
111
|
+
DispatchQueue.main.asyncAfter(deadline: .now() + 3.0) {
|
|
112
|
+
self.isPresentedProgressView = false
|
|
113
|
+
}
|
|
114
|
+
}
|
|
115
|
+
|
|
116
|
+
private func getThread() {
|
|
117
|
+
let query = NCMBQuery.getQuery(className: "Thread")
|
|
118
|
+
let results = query.find()
|
|
119
|
+
switch results {
|
|
120
|
+
case let .success(ary):
|
|
121
|
+
threads = ary
|
|
122
|
+
case .failure(_): break
|
|
123
|
+
}
|
|
124
|
+
}
|
|
125
|
+
|
|
126
|
+
private func delete(at offsets: IndexSet) {
|
|
127
|
+
let thread = self.threads[Array(offsets)[0]] as NCMBObject
|
|
128
|
+
let results = thread.delete()
|
|
129
|
+
switch results {
|
|
130
|
+
case .success(_):
|
|
131
|
+
getThread()
|
|
132
|
+
case .failure(_):
|
|
133
|
+
showAlert = true
|
|
134
|
+
}
|
|
135
|
+
}
|
|
136
|
+
}
|
|
137
|
+
```
|