From 0dc329894218500c38e30202182b560b81019ae0 Mon Sep 17 00:00:00 2001
From: Kevin G Christiano <kevin.christiano@verizonwireless.com>
Date: Fri, 24 Apr 2020 10:30:23 -0400
Subject: [PATCH] adding accessibility state to radio button

---
 .../Atomic/Atoms/Selectors/RadioButton.swift    | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/MVMCoreUI/Atomic/Atoms/Selectors/RadioButton.swift b/MVMCoreUI/Atomic/Atoms/Selectors/RadioButton.swift
index 1a968b7a..af1e7905 100644
--- a/MVMCoreUI/Atomic/Atoms/Selectors/RadioButton.swift
+++ b/MVMCoreUI/Atomic/Atoms/Selectors/RadioButton.swift
@@ -23,6 +23,7 @@ import UIKit
     public override var isSelected: Bool {
         didSet {
             radioModel?.state = isSelected
+            updateAccessibilityLabel()
         }
     }
 
@@ -118,6 +119,19 @@ import UIKit
         return radioModel?.fieldValue
     }
     
+    //--------------------------------------------------
+    // MARK: - Methods
+    //--------------------------------------------------
+    
+    /// Adjust accessibility label based on state of RadioButton.
+    func updateAccessibilityLabel() {
+        // Attention: This needs to be addressed with the accessibility team.
+        // NOTE: Currently emptying description part of MVMCoreUICheckBox accessibility label to avoid crashing!
+        if let state = MVMCoreUIUtility.hardcodedString(withKey: isSelected ? "radio_selected_state" : "radio_not_selected_state") {
+            accessibilityLabel = String(format: MVMCoreUIUtility.hardcodedString(withKey: "radio_desc_state") ?? "%@%@", "", state)
+        }
+    }
+    
     //--------------------------------------------------
     // MARK: - MVMViewProtocol
     //--------------------------------------------------
@@ -136,14 +150,15 @@ import UIKit
         isAccessibilityElement = true
         accessibilityTraits = .button
         accessibilityHint = MVMCoreUIUtility.hardcodedString(withKey: "radio_action_hint")
+        updateAccessibilityLabel()
     }
     
     public override func set(with model: MoleculeModelProtocol, _ delegateObject: MVMCoreUIDelegateObject?, _ additionalData: [AnyHashable: Any]?) {
         super.set(with: model, delegateObject, additionalData)
+        self.delegateObject = delegateObject
         
         guard let model = model as? RadioButtonModel else { return }
         
-        self.delegateObject = delegateObject
         isSelected = model.state
         isEnabled = model.enabled
         RadioButtonSelectionHelper.setupForRadioButtonGroup(model, self, delegateObject: delegateObject)