feat: Breaks rated static pressure section into it's own view.

Sources/PressureEstimationsFeature/EquipmentSettingsForm.swift

@@ -27,6 +27,7 @@ public struct EquipmentSettingsForm {
     public var equipmentType: EquipmentMeasurement.EquipmentType
     public var focusedField: Field? = nil
     @Shared public var sharedSettings: SharedPressureEstimationState
+    public var ratedStaticPressures: RatedStaticPressuresSection.State
 
     public init(
       destination: Destination.State? = nil,
@@ -38,21 +39,31 @@ public struct EquipmentSettingsForm {
       self.includesFilterDrop = includesFilterDrop
       self.equipmentType = equipmentType
       self._sharedSettings = sharedSettings
+      self.ratedStaticPressures = .init(staticPressures: sharedSettings.equipmentMetadata.ratedStaticPressures)
     }
     
     public var isValid: Bool {
-      guard equipmentType == .furnaceAndCoil else { return true }
+      guard equipmentType == .furnaceAndCoil 
-      return sharedSettings.heatingCapacity != nil
+      else { return ratedStaticPressures.isValid }
+      return ratedStaticPressures.isValid && sharedSettings.heatingCapacity != nil
     }
 
     // Note: These need to be in display order.
     public enum Field: Hashable, CaseIterable, FocusableField, Identifiable  {
       case heatingCapacity
-      case minimumStaticPressure
+      case ratedStaticPressure(RatedStaticPressuresSection.State.FocusedField)
-      case maximumStaticPressure
-      case ratedStaticPressure
       case manufacturersIncludedFilterPressureDrop
       
+      public static var allCases: [EquipmentSettingsForm.State.Field] {
+        [
+          .heatingCapacity,
+          .ratedStaticPressure(.maximum),
+          .ratedStaticPressure(.minimum),
+          .ratedStaticPressure(.rated),
+          .manufacturersIncludedFilterPressureDrop
+        ]
+      }
+
       public var id: Self { self }
     }
   }
@@ -60,6 +71,7 @@ public struct EquipmentSettingsForm {
   public enum Action: BindableAction, ViewAction {
     case binding(BindingAction<State>)
     case destination(PresentationAction<Destination.Action>)
+    case ratedStaticPressures(RatedStaticPressuresSection.Action)
     case view(View)
 
     @CasePathable
@@ -72,6 +84,9 @@ public struct EquipmentSettingsForm {
 
   public var body: some Reducer<State, Action> {
     BindingReducer()
+    Scope(state: \.ratedStaticPressures, action: \.ratedStaticPressures) {
+      RatedStaticPressuresSection()
+    }
     Reduce<State, Action> { state, action in
       switch action {
 
@@ -96,6 +111,14 @@ public struct EquipmentSettingsForm {
       case .destination:
         return .none
         
+        
+      case .ratedStaticPressures(.delegate(.infoButtonTapped)):
+        state.destination = .infoView(.init(view: .ratedStaticPressures))
+        return .none
+        
+      case .ratedStaticPressures:
+        return .none
+
       case let .view(action):
         switch action {
 
@@ -177,7 +200,6 @@ public struct EquipmentSettingsFormView: View {
           }
         }
         .dynamicBottomPadding()
-//        .applyPadding()
       } header: {
         if store.equipmentType == .airHandler {
           EmptyView()
@@ -186,15 +208,9 @@ public struct EquipmentSettingsFormView: View {
         }
       }
 
-      Section {
+      RatedStaticPressuresSectionView(
-        Grid(alignment: .leading, horizontalSpacing: 40) {
+        store: store.scope(state: \.ratedStaticPressures, action: \.ratedStaticPressures)
-          ForEach(RatingsField.allCases, content: ratingsRow(for:))
+      )
-        }
-        .dynamicBottomPadding()
-        .labeledContentStyle(.gridRow)
-      } header: {
-        header("Rated Static Pressure", infoView: .ratedStaticPressures)
-      }
 
       Section {
         VStack(alignment: .leading) {
@@ -240,27 +256,6 @@ public struct EquipmentSettingsFormView: View {
     }
   }
 
-  private func ratingsRow(for ratingsField: RatingsField) -> some View {
-
-    func binding(for ratingsField: RatingsField) -> Binding<Double> {
-      switch ratingsField {
-      case .maximum:
-        return $store.sharedSettings.ratedStaticPressures.maximum
-      case .minimum:
-        return $store.sharedSettings.ratedStaticPressures.minimum
-      case .rated:
-        return $store.sharedSettings.ratedStaticPressures.rated
-      }
-    }
-
-    return TextLabeledContent(ratingsField.label) {
-      TextField(ratingsField.prompt, value: binding(for: ratingsField), fractionLength: 2)
-        .decimalPad()
-        .focused($focusedField, equals: ratingsField.field)
-        .onSubmit { send(.submitField) }
-    }
-  }
-
   private func header<Label: View>(
     infoView: EquipmentSettingsForm.InfoView,
     label: @escaping () -> Label
@@ -289,17 +284,6 @@ public struct EquipmentSettingsFormView: View {
   }
 }
 
-fileprivate extension View {
-  @ViewBuilder
-  func applyPadding() -> some View {
-    #if os(macOS)
-    self.padding(.bottom, 20)
-    #else
-    self
-    #endif
-  }
-}
-
 fileprivate struct BudgetFlagViewStyle: FlaggedViewStyle {
 
   func makeBody(configuration: Configuration) -> some View {
@@ -348,26 +332,6 @@ fileprivate extension InfoViewFeature.State {
   }
 }
 
-fileprivate enum RatingsField: String, Hashable, CaseIterable, Identifiable {
-  case maximum
-  case minimum
-  case rated
-
-  var id: Self { self }
-
-  var field: EquipmentSettingsForm.State.Field {
-    switch self {
-    case .maximum: return .maximumStaticPressure
-    case .minimum: return .minimumStaticPressure
-    case .rated: return .ratedStaticPressure
-    }
-  }
-
-  var label: String { rawValue.capitalized }
-
-  var prompt: String { "\(label) Pressure" }
-}
-
 #Preview {
   NavigationStack {
     EquipmentSettingsFormView(

Sources/PressureEstimationsFeature/RatedStaticPressuresSection.swift

@@ -0,0 +1,141 @@
+import ComposableArchitecture
+import SharedModels
+import Styleguide
+import SwiftUI
+
+#warning("Add info view destination??")
+/// Allows for rated static pressure fields to be optional values, setting their corresponding shared state values to zero when they're nilled out.
+///
+@Reducer
+public struct RatedStaticPressuresSection {
+  
+  @ObservableState
+  public struct State: Equatable {
+    
+    @Shared public var staticPressures: RatedStaticPressures
+    public var focusedField: FocusedField?
+    public var maxPressure: Double?
+    public var minPressure: Double?
+    public var ratedPressure: Double?
+    
+    public init(
+      staticPressures: Shared<RatedStaticPressures>
+    ) {
+      self._staticPressures = staticPressures
+      self.maxPressure = staticPressures.maximum.wrappedValue
+      self.minPressure = staticPressures.minimum.wrappedValue
+      self.ratedPressure = staticPressures.rated.wrappedValue
+    }
+    
+    public var isValid: Bool {
+      maxPressure != nil
+      && minPressure != nil
+      && ratedPressure != nil
+    }
+    
+    public enum FocusedField: String, Hashable, CaseIterable, FocusableField {
+      case maximum
+      case minimum
+      case rated
+      
+      var label: String { rawValue.capitalized }
+    }
+  }
+  
+  public enum Action: BindableAction {
+    case binding(BindingAction<State>)
+    case delegate(DelegateAction)
+    
+    public enum DelegateAction {
+      case infoButtonTapped
+    }
+  }
+  
+  public var body: some Reducer<State, Action> {
+    BindingReducer()
+    Reduce<State, Action> { state, action in
+      switch action {
+      case .binding(\.maxPressure):
+        state.staticPressures.maximum = state.maxPressure ?? 0
+        return .none
+        
+      case .binding(\.minPressure):
+        state.staticPressures.minimum = state.minPressure ?? 0
+        return .none
+        
+      case .binding(\.ratedPressure):
+        state.staticPressures.rated = state.ratedPressure ?? 0
+        return .none
+        
+      case .binding:
+        return .none
+        
+      case .delegate:
+        return .none
+      }
+    }
+  }
+}
+
+public struct RatedStaticPressuresSectionView: View {
+  
+  @FocusState private var focusedField: RatedStaticPressuresSection.State.FocusedField?
+  @Bindable var store: StoreOf<RatedStaticPressuresSection>
+  
+  public init(store: StoreOf<RatedStaticPressuresSection>) {
+    self.store = store
+  }
+  
+  public var body: some View {
+    Section {
+      Grid(alignment: .leading, horizontalSpacing: 40) {
+        GridRow {
+          label(for: .maximum)
+          TextField(
+            "Maximum",
+            value: $store.maxPressure,
+            fractionLength: 2,
+            prompt: Text("Max Static Pressure")
+          )
+          .decimalPad()
+          .focused($focusedField, equals: .maximum)
+        }
+        GridRow {
+          label(for: .minimum)
+          TextField(
+            "Minimum",
+            value: $store.minPressure,
+            fractionLength: 2,
+            prompt: Text("Min Static Pressure")
+          )
+          .decimalPad()
+          .focused($focusedField, equals: .minimum)
+        }
+        GridRow {
+          label(for: .rated)
+          TextField(
+            "Rated",
+            value: $store.ratedPressure,
+            fractionLength: 2,
+            prompt: Text("Rated Static Pressure")
+          )
+          .decimalPad()
+          .focused($focusedField, equals: .rated)
+        }
+      }
+      .dynamicBottomPadding()
+      
+    } header: {
+      HStack {
+        SectionHeaderLabel("Rated Static Pressures")
+        Spacer()
+        InfoButton { store.send(.delegate(.infoButtonTapped)) }
+      }
+    }
+    .bind($focusedField, to: $store.focusedField)
+  }
+  
+  private func label(for field: RatedStaticPressuresSection.State.FocusedField) -> some View {
+    TextLabel(field.label)
+  }
+}