Adds challenge rating and proficiency bonus to the monster editor.

iOS/MonsterCards/Views/EditChallengeRating.swift

@@ -0,0 +1,41 @@
+//
+//  EditChallengeRating.swift
+//  MonsterCards
+//
+//  Created by Tom Hicks on 3/24/21.
+//
+
+import SwiftUI
+
+struct EditChallengeRating: View {
+    @ObservedObject var viewModel: MonsterViewModel
+    
+    var body: some View {
+        let isUsingCustomProficiencyBonus = viewModel.challengeRating == ChallengeRating.custom
+        
+        VStack(alignment: .leading) {
+            MCChallengeRatingPicker(
+                label: "Rating",
+                value: $viewModel.challengeRating)
+            
+            MCTextField(
+                label: "Custom Text",
+                value: $viewModel.customChallengeRating)
+                .disabled(!isUsingCustomProficiencyBonus)
+
+            MCStepperField(
+                label: "Custom Proficiency Bonus",
+                value: $viewModel.customProficiencyBonus)
+                .disabled(!isUsingCustomProficiencyBonus)
+            Spacer()
+        }
+        .padding()
+    }
+}
+
+struct EditChallengeRating_Previews: PreviewProvider {
+    static var previews: some View {
+        let viewModel = MonsterViewModel()
+        EditChallengeRating(viewModel: viewModel)
+    }
+}

iOS/MonsterCards/Views/EditMonster.swift

@@ -69,6 +69,10 @@ struct EditMonster: View {
                 NavigationLink(
                     "Languages",
                     destination: EditLanguages(viewModel: monsterViewModel))
+                
+                NavigationLink(
+                    "Challenge Rating",
+                    destination: EditChallengeRating(viewModel: monsterViewModel))
             }
             
         }

iOS/MonsterCards/Views/MCChallengeRatingPicker.swift

@@ -0,0 +1,35 @@
+//
+//  MCChallengeRatingPicker.swift
+//  MonsterCards
+//
+//  Created by Tom Hicks on 3/24/21.
+//
+
+import SwiftUI
+
+struct MCChallengeRatingPicker: View {
+    var label: String = ""
+    var value: Binding<ChallengeRating>
+    var body: some View {
+        VStack(alignment: .leading) {
+            Text(label)
+                .font(.caption2)
+            Picker(
+                selection: value,
+                label: Text(value.wrappedValue.displayName)) {
+                ForEach(ChallengeRating.allCases) {abilityScore in
+                        Text(abilityScore.displayName).tag(abilityScore)
+                    }
+                }
+                .pickerStyle(MenuPickerStyle())
+        }
+    }
+}
+
+struct MCChallengeRatingPicker_Previews: PreviewProvider {
+    static var previews: some View {
+        MCChallengeRatingPicker(
+            label: "Rating",
+            value: .constant(ChallengeRating.ten))
+    }
+}

iOS/MonsterCards/Views/MonsterDetail.swift

@@ -235,7 +235,7 @@ struct MonsterDetail: View {
                 
                 // Challenge Rating
                 if (!monsterChallengeRatingDescription.isEmpty) {
-                    LabeledField("Challenge Rating") {
+                    LabeledField("Challenge") {
                         Text(monsterChallengeRatingDescription)
                     }
                 }