Beginning stages of accessibility.

MVMCoreUI/Atoms/Views/Label.swift

@@ -14,7 +14,7 @@ public typealias ActionBlock = () -> Void
 
 @objcMembers open class Label: UILabel, MVMCoreViewProtocol, MVMCoreUIMoleculeViewProtocol, MVMCoreUIViewConstrainingProtocol, MFButtonProtocol {
     //------------------------------------------------------
-    // MARK: - General Properties
+    // MARK: - Properties
     //------------------------------------------------------
 
     public var makeWholeViewClickable = false
@@ -63,6 +63,7 @@ public typealias ActionBlock = () -> Void
         numberOfLines = 0
         lineBreakMode = .byWordWrapping
         translatesAutoresizingMaskIntoConstraints = false
+        isAccessibilityElement = false
         
         let tapGesture = UITapGestureRecognizer(target: self, action: #selector(textLinkTapped(_:)))
         tapGesture.numberOfTapsRequired = 1
@@ -152,7 +153,7 @@ public typealias ActionBlock = () -> Void
     }
     
     //------------------------------------------------------
-    // MARK: - Functions
+    // MARK: - Style
     //------------------------------------------------------
     
     @objc public static func setLabel(_ label: UILabel?, withHTML html: String?) {
@@ -272,12 +273,6 @@ public typealias ActionBlock = () -> Void
         }
     }
     
-
-    
-    //------------------------------------------------------
-    // MARK: - Methods
-    //------------------------------------------------------
-    
     @objc public func styleH1(_ scale: Bool) {
         MFStyler.styleLabelH1(self, genericScaling: false)
         setScale(scale)
@@ -567,3 +562,49 @@ extension UITapGestureRecognizer {
         return NSLocationInRange(indexOfGlyph, targetRange)
     }
 }
+
+// MARK: - Accessibility
+extension Label {
+    
+    override open func accessibilityActivate() -> Bool {
+        let point = accessibilityActivationPoint
+        
+        return true
+    }
+    
+    open override func accessibilityElementDidBecomeFocused() {
+        <#code#>
+    }
+    
+    open override func accessibilityElementCount() -> Int {
+        return accessibleClauses.count
+    }
+    
+    open override func accessibilityElement(at index: Int) -> Any? {
+        return accessibleClauses[index]
+    }
+    
+    open override func index(ofAccessibilityElement element: Any) -> Int {
+        return accessibleClauses.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
+//            element.accessibilityFrame = convert(conceptualSize(range: clause.range)!, to: nil)
+            element.accessibilityFrameInContainerSpace = rect
+            element.accessibilityLabel = "Testing"
+            element.accessibilityTraits = .button
+            element.isAccessibilityElement = true
+            elements.append(element)
+        }
+        accessibilityElements = elements
+        return elements
+    }
+}