Digital ACT191 story ONEAPP-6682 added preset default height property.

VDS/Components/TextFields/TextArea/TextArea.swift

@@ -69,11 +69,44 @@ open class TextArea: EntryFieldBase {
         $0.numberOfLines = 1
     }
 
+    private var _minHeight: Height = .twoX
+    
+    open var minHeight: Height? {
+        get { return _minHeight }
+        set {
+            if let newValue {
+                _minHeight = newValue
+            } else {
+                _minHeight = .twoX
+            }
+            textViewHeightConstraint?.constant = _minHeight.value
+            setNeedsUpdate()
+        }
+    }
+    
     //--------------------------------------------------
     // MARK: - Public Properties
     //--------------------------------------------------
     override var containerSize: CGSize { CGSize(width: 182, height: 88) }
-   
+    
+    /// Enum used to describe the the height of TextArea.
+    public enum Height: String, CaseIterable {
+        case twoX = "2X"
+        case fourX = "4X"
+        case eightX = "8X"
+        
+        var value: CGFloat {
+            switch self {
+            case .twoX:
+                88
+            case .fourX:
+                176
+            case .eightX:
+                352
+            }
+        }
+    }
+    
     /// UITextView shown in the TextArea.
     open var textView = UITextView().with {
         $0.translatesAutoresizingMaskIntoConstraints = false
@@ -139,6 +172,8 @@ open class TextArea: EntryFieldBase {
         textView.text = ""
         characterCounterLabel.reset()
         characterCounterLabel.textStyle = .bodySmall
+        minHeight = .twoX
+        setNeedsUpdate()
     }
     
     /// Container for the area in which the user interacts.
@@ -230,7 +265,7 @@ open class TextArea: EntryFieldBase {
               let text = textView.attributedText?.mutableCopy() as? NSMutableAttributedString else { return }
         text.addAttribute(NSAttributedString.Key.backgroundColor, value: highlightBackgroundColor.getColor(self), range: NSRange(location:maxLength, length: (count - maxLength)))
         text.addAttribute(NSAttributedString.Key.foregroundColor, value: highlightTextColor.getColor(self), range: NSRange(location:maxLength, length: (count - maxLength)))
-        textView.attributedText = text.copy() as? NSAttributedString
+        textView.attributedText = text
     }
 }
 
@@ -244,15 +279,15 @@ extension TextArea: UITextViewDelegate {
         //if you want it to work "as-is" delete this code
         //since it will autogrow with the current settings
         if let textViewHeightConstraint, textView.isEditable {
-            let height = textView.contentSize.height
+            var height = textView.contentSize.height
-            if height > 88 && height < 176 {
+            height = max(height, _minHeight.value)
-                textViewHeightConstraint.constant = 176
+            if height > Height.twoX.value && height < Height.fourX.value {
-            } else if height > 176 {
+                textViewHeightConstraint.constant = Height.fourX.value
-                textViewHeightConstraint.constant = 352
+            } else if height > Height.fourX.value {
+                textViewHeightConstraint.constant = Height.eightX.value
             } else {
-                textViewHeightConstraint.constant = 88
+                textViewHeightConstraint.constant = Height.twoX.value
             }
-            textViewHeightConstraint.isActive = true
         }
         
         //The exceeding characters will be highlighted to help users correct their entry.
@@ -261,7 +296,6 @@ extension TextArea: UITextViewDelegate {
                 //setting the value and firing control event
                 value = textView.text
                 sendActions(for: .valueChanged)
-                
                 if (textView.text.count > (maxLength ?? 0)) {
                     highlightCharacterOverflow()
                 }