From 244e3c0df3146c90f686dd42db58c9ef4acb1cd4 Mon Sep 17 00:00:00 2001
From: Kevin G Christiano <kevin.christiano@verizonwireless.com>
Date: Wed, 10 Jul 2019 13:15:35 -0400
Subject: [PATCH] Generally functioning. A ways to go.

---
 MVMCoreUI/Atoms/Views/Label.swift | 61 +++++++++++++++++++++++--------
 1 file changed, 45 insertions(+), 16 deletions(-)

diff --git a/MVMCoreUI/Atoms/Views/Label.swift b/MVMCoreUI/Atoms/Views/Label.swift
index 5a189cb5..38fef66f 100644
--- a/MVMCoreUI/Atoms/Views/Label.swift
+++ b/MVMCoreUI/Atoms/Views/Label.swift
@@ -40,7 +40,16 @@ public typealias ActionBlock = () -> Void
     //------------------------------------------------------
     
     public var clauses: [ActionableClause] = [] {
-        didSet { isUserInteractionEnabled = !clauses.isEmpty }
+        didSet {
+            isUserInteractionEnabled = !clauses.isEmpty
+            
+            // Accessibility
+            let element = UIAccessibilityElement(accessibilityContainer: self)
+            element.accessibilityFrameInContainerSpace = convert(boundingRect(forCharacterRange: clauses.last!.range!), to: nil) //CGRect(x: 10, y: 10, width: 100, height: 30)
+            element.accessibilityLabel = "Testing"
+            element.accessibilityTraits = .button
+            accessibilityElements?.append(element)
+        }
     }
     
     /// Used for tappable links in the text.
@@ -64,10 +73,7 @@ public typealias ActionBlock = () -> Void
         lineBreakMode = .byWordWrapping
         translatesAutoresizingMaskIntoConstraints = false
         isAccessibilityElement = false
-        
-        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(textLinkTapped(_:)))
-        tapGesture.numberOfTapsRequired = 1
-        addGestureRecognizer(tapGesture)
+        accessibilityElements = []
     }
     
     @objc public init() {
@@ -410,6 +416,7 @@ extension Label {
         originalAttributedString = nil
         hasAttachmentImage = false
         styleB2(true)
+        accessibilityElements = []
     }
     
     @objc public func setWithJSON(_ json: [AnyHashable: Any]?, delegateObject: MVMCoreUIDelegateObject?, additionalData: [AnyHashable: Any]?) {
@@ -450,6 +457,7 @@ extension Label {
         }
         
         self.attributedText = mutableAttributedString
+//        accessibleClauses = []
         clauses = []
     }
     
@@ -567,38 +575,36 @@ extension UITapGestureRecognizer {
 extension Label {
     
     override open func accessibilityActivate() -> Bool {
-        let point = accessibilityActivationPoint
-        
+//        let point = accessibilityActivationPoint
         return true
     }
     
     open override func accessibilityElementDidBecomeFocused() {
-        <#code#>
+        
     }
     
     open override func accessibilityElementCount() -> Int {
-        return accessibleClauses.count
+        return accessibilityElements?.count ?? 0
     }
     
     open override func accessibilityElement(at index: Int) -> Any? {
-        return accessibleClauses[index]
+        return accessibilityElements?[index]
     }
     
     open override func index(ofAccessibilityElement element: Any) -> Int {
-        return accessibleClauses.firstIndex(of: element as! UIAccessibilityElement)!
+        return 0//accessibilityElements?.firstIndex(of: element as! UIAccessibilityElement)!
     }
     
+    /*
     var accessibleClauses: [UIAccessibilityElement] {
 
         var elements = [UIAccessibilityElement]()
-
         for clause in clauses {
-
             let element = UIAccessibilityElement(accessibilityContainer: self)
-            let rect = CGRect(x: 10, y: 10, width: 100, height: 30)
-            element.accessibilityFrame = rect
+//            let rect = CGRect(x: 10, y: 10, width: 100, height: 30)
+            element.accessibilityFrame = convert(self.frame, to: nil)
 //            element.accessibilityFrame = convert(conceptualSize(range: clause.range)!, to: nil)
-            element.accessibilityFrameInContainerSpace = rect
+//            element.accessibilityFrameInContainerSpace = rect
             element.accessibilityLabel = "Testing"
             element.accessibilityTraits = .button
             element.isAccessibilityElement = true
@@ -607,4 +613,27 @@ extension Label {
         accessibilityElements = elements
         return elements
     }
+    */
+    
+    func boundingRect(forCharacterRange range: NSRange) -> CGRect? {
+        
+        guard let attributedText = attributedText else { return nil }
+        
+        let textStorage = NSTextStorage(attributedString: attributedText)
+        let layoutManager = NSLayoutManager()
+        
+        textStorage.addLayoutManager(layoutManager)
+        
+        let textContainer = NSTextContainer(size: bounds.size)
+        textContainer.lineFragmentPadding = 0.0
+        
+        layoutManager.addTextContainer(textContainer)
+        
+        var glyphRange = NSRange()
+        
+        // Convert the range for glyphs.
+        layoutManager.characterRange(forGlyphRange: range, actualGlyphRange: &glyphRange)
+        
+        return layoutManager.boundingRect(forGlyphRange: glyphRange, in: textContainer)
+    }
 }