added selectedModelHandler/Handler

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

VDS/Components/Checkbox/CheckboxGroup.swift

@@ -11,6 +11,9 @@ import UIKit
 public class CheckboxGroup: CheckboxGroupBase<DefaultCheckboxGroupModel, Checkbox> {
     public override func didSelect(_ selectedControl: Checkbox) {
         selectedControl.toggle()
+        if selectedControl.isSelected, hasError{
+            hasError.toggle()
+        }
         DispatchQueue.main.asyncAfter(deadline: .now() + Constants.ModelStateDebounce) { [weak self] in
             self?.sendActions(for: .valueChanged)
         }
@@ -87,5 +90,11 @@ public class CheckboxGroupBase<GroupModelType: CheckboxGroupModel, ModelHandlerT
             }
         }
     }
+    
+    public var selectedModelHandlers: [ModelHandlerType]? {
+        let selected = selectorViews.filter{ $0.isSelected == true }
+        guard selected.count > 0 else { return nil }
+        return selected
+    }
 }
 

VDS/Components/RadioBox/RadioBoxGroup.swift

@@ -95,4 +95,14 @@ public class RadioBoxGroupBase<GroupModelType: RadioBoxGroupModel, ModelHandlerT
         }
     }
     
+    public var selectedModelHandler: ModelHandlerType? {
+        if let  index = selectorViews.firstIndex(where: { element in
+            return element.isSelected == true
+        }) {
+            return selectorViews[index]
+        } else {
+            return nil
+        }
+    }
+    
 }

VDS/Components/RadioButton/RadioButtonGroup.swift

@@ -98,4 +98,14 @@ public class RadioButtonGroupBase<GroupModelType: RadioButtonGroupModel, ModelHa
             }
         }
     }
+    
+    public var selectedModelHandler: ModelHandlerType? {
+        if let  index = selectorViews.firstIndex(where: { element in
+            return element.isSelected == true
+        }) {
+            return selectorViews[index]
+        } else {
+            return nil
+        }
+    }
 }

VDS/Components/RadioSwatch/RadioSwatchGroup.swift

@@ -225,4 +225,12 @@ public class RadioSwatchGroupBase<GroupModelType: RadioSwatchGroupModel, ModelHa
     open func didSelect(selector: ModelHandlerType) {
         fatalError("Must override didSelect")
     }
+    
+    public var selectedModelHandler: ModelHandlerType? {
+        guard let index = model.selectors.firstIndex(where: {$0.selected == true }),
+              let cell = collectionView.cellForItem(at: IndexPath(item: index, section: 0)) as? CollectionViewCell<ModelHandlerType> else {
+            return nil
+        }
+        return cell.modelHandler
+    }
 }