From 18f8f7d9f37fdc73bd9aa7bfbb9f561691de5c4b Mon Sep 17 00:00:00 2001
From: "Christiano, Kevin" <Kevin.Christiano@VerizonWireless.com>
Date: Thu, 2 May 2019 15:37:12 -0400
Subject: [PATCH] Two means to set actionable text in code.

---
 MVMCoreUI/Atoms/Views/Label.swift | 36 +++++++++++++++++++++++++------
 1 file changed, 30 insertions(+), 6 deletions(-)

diff --git a/MVMCoreUI/Atoms/Views/Label.swift b/MVMCoreUI/Atoms/Views/Label.swift
index 793b8aa5..d6f0a5ed 100644
--- a/MVMCoreUI/Atoms/Views/Label.swift
+++ b/MVMCoreUI/Atoms/Views/Label.swift
@@ -46,6 +46,8 @@ public typealias ActionBlock = () -> Void
     
     private var clauses: [ActionableClause] = []
     
+    var didSetGestureRecognizer = false
+    
     // Used for tappable links in the text.
     private struct ActionableClause {
         var labelView: Label?
@@ -53,11 +55,7 @@ public typealias ActionBlock = () -> Void
         var length: Int?
         var actionText: String?
         var actionBlock: ActionBlock?
-        
-        var words: [String]? {
-            return actionText?.components(separatedBy: " ")
-        }
-        
+    
         var range: NSRange {
             return NSRange(location: location ?? 0, length: length ?? 0)
         }
@@ -184,6 +182,31 @@ public typealias ActionBlock = () -> Void
         Label.setGestureInteraction(for: self)
     }
     
+    /**
+     Provides an actionable range of text.
+     
+     Allows actionable range to be established by a particular substring of the containing label text.
+     
+     - Attention: This method expects text to be set first. Otherwise, it will do nothing.
+     - Parameters:
+        - actionText: The actionable text contained witin the label's text.
+        - actionBlock: The code triggered when tapping the range of text.
+     */
+    @objc public func addTappableLinkAttribute(actionText: String, actionBlock: @escaping ActionBlock) {
+        
+        guard let text = self.text else { return }
+        let string = text as NSString
+        let range = string.range(of: actionText)
+ 
+        clauses.append(ActionableClause(labelView: self,
+                                        location: range.location,
+                                        length: range.length,
+                                        actionText: actionText,
+                                        actionBlock: actionBlock))
+        
+        Label.setGestureInteraction(for: self)
+    }
+    
     /**
      Makes the view interactive and applies the gesture recognizer.
      
@@ -192,8 +215,9 @@ public typealias ActionBlock = () -> Void
      */
     private static func setGestureInteraction(for label: Label) {
         
-        if !label.isUserInteractionEnabled {
+        if !label.didSetGestureRecognizer {
             label.isUserInteractionEnabled = true
+            label.didSetGestureRecognizer = true
             let tapGesture = UITapGestureRecognizer(target: label, action: #selector(textLinkTapped(_:)))
             tapGesture.numberOfTapsRequired = 1
             label.addGestureRecognizer(tapGesture)