Adds condition immunities to the monster editor.

iOS/MonsterCards/Views/EditDamageTypes.swift

@@ -0,0 +1,54 @@
+//
+//  EditDamageTypes.swift
+//  MonsterCards
+//
+//  Created by Tom Hicks on 3/22/21.
+//
+
+import SwiftUI
+
+struct EditDamageTypes: View {
+    @ObservedObject var viewModel: MonsterViewModel
+    var path: ReferenceWritableKeyPath<MonsterViewModel, [DamageTypeViewModel]>
+    
+    var body: some View {
+        List {
+            ForEach(viewModel[keyPath: path]) { damageType in
+                TextField(
+                    "",
+                    text: Binding<String>(
+                        get: {damageType.name},
+                        set: {damageType.name = $0}
+                    )
+                )
+            }
+            .onDelete(perform: { indexSet in
+                for index in indexSet {
+                    viewModel[keyPath: path].remove(at: index)
+                }
+            })
+        }
+        .toolbar(content: {
+            Button(
+                action: {
+                    let newDamageType = DamageTypeViewModel("New Type")
+                    viewModel[keyPath: path].append(newDamageType)
+                    viewModel[keyPath: path] = viewModel[keyPath: path].sorted()
+                },
+                label: {
+                    Image(systemName: "plus")
+                }
+            )
+        })
+        .onAppear(perform: {
+            viewModel[keyPath: path] = viewModel[keyPath: path].sorted()
+        })
+    }
+}
+
+struct EditDamageTypes_Previews: PreviewProvider {
+    static var previews: some View {
+        let viewModel = MonsterViewModel(nil)
+        EditDamageTypes(viewModel: viewModel, path: \.damageImmunities)
+    }
+}

iOS/MonsterCards/Views/EditMonster.swift

@@ -43,6 +43,10 @@ struct EditMonster: View {
             NavigationLink(
                 "Skills",
                 destination: EditSkills(monsterViewModel: monsterViewModel))
+            
+            NavigationLink(
+                "Condition Immunities",
+                destination: EditDamageTypes(viewModel: monsterViewModel, path: \.conditionImmunities))
         }
         .onAppear(perform: copyMonsterToLocal)
         .toolbar(content: {