Improve content saving, label editing

CHDataManagement/Views/Pages/Commands/LabelCreationView.swift

@@ -0,0 +1,54 @@
+import SwiftUI
+
+struct LabelCreationView: View {
+
+    @Environment(\.colorScheme)
+    private var colorScheme
+
+    @Binding
+    var labels: [ContentLabel]
+
+    var body: some View {
+        List {
+            ForEach($labels) { label in
+                HStack {
+                    Button(action: { remove(label.wrappedValue) }) {
+                        Image(systemSymbol: .minusCircleFill)
+                            .foregroundStyle(.red)
+                    }
+                    .buttonStyle(.plain)
+                    LabelEditingView(label: label)
+                }
+                .padding(.vertical, 2)
+                .padding(.horizontal, 8)
+                .background(colorScheme == .light ? Color.white : Color.black)
+                .cornerRadius(8)
+            }
+            .onMove(perform: moveLabel)
+            Button("Add new label", action: addLabel)
+            .padding(.vertical, 2)
+        }
+        .frame(minHeight: 250)
+    }
+
+    private func addLabel() {
+        var label = ContentLabel(icon: .statisticsTime, value: "Value")
+        var number = 0
+        while labels.contains(label) {
+            number += 1
+            label.value = "Value \(number)"
+        }
+        labels.append(label)
+    }
+
+    private func remove(_ label: ContentLabel) {
+        guard let index = labels.firstIndex(of: label) else {
+            return
+        }
+        labels.remove(at: index)
+    }
+
+    private func moveLabel(from source: IndexSet, to destination: Int) {
+        labels.move(fromOffsets: source, toOffset: destination)
+    }
+}