Use an explicit defaultColor instead of relying on textColor

We found that textColor changes dynamic depending of the cursor
position on the attributed text.

Author: SergioEstevao

Aztec/Classes/TextKit/TextView.swift

@@ -242,12 +242,22 @@ open class TextView: UITextView {
             .font: defaultFont,
             .paragraphStyle: defaultParagraphStyle,
         ]
-        if let color = textColor {
+        if let color = defaultTextColor {
             attributes[.foregroundColor] = color
         }
         return attributes
     }
-    
+
+    open var defaultTextColor: UIColor?
+
+    override open var textColor: UIColor? {
+        get {
+            return super.textColor
+        }
+        set {
+            super.textColor = newValue            
+        }
+    }
     // MARK: - Plugin Loading
 
     var pluginManager: PluginManager {

Aztec/Classes/TextKit/TextViewPasteboardDelegate.swift

@@ -69,7 +69,7 @@ open class AztecTextViewPasteboardDelegate: TextViewPasteboardDelegate {
             textView?.undoTextReplacement(of: originalText, finalRange: finalRange)
         })
 
-        let colorCorrectedString = fixColors(in: string, using: textView.textColor)
+        let colorCorrectedString = fixColors(in: string, using: textView.defaultTextColor)
 
         storage.replaceCharacters(in: selectedRange, with: colorCorrectedString)
         textView.notifyTextViewDidChange()

Example/Example/EditorDemoController.swift

@@ -65,7 +65,7 @@ class EditorDemoController: UIViewController {
 
     private func setupHTMLTextView(_ textView: UITextView) {
         let accessibilityLabel = NSLocalizedString("HTML Content", comment: "Post HTML content")
-        self.configureDefaultProperties(for: textView, accessibilityLabel: accessibilityLabel)
+        self.configureDefaultProperties(htmlTextView: textView, accessibilityLabel: accessibilityLabel)
 
         textView.isHidden = true
         textView.delegate = self
@@ -325,7 +325,22 @@ class EditorDemoController: UIViewController {
     }
 
 
-    private func configureDefaultProperties(for textView: UITextView, accessibilityLabel: String) {
+    private func configureDefaultProperties(for textView: TextView, accessibilityLabel: String) {
+        textView.accessibilityLabel = accessibilityLabel
+        textView.font = Constants.defaultContentFont
+        textView.keyboardDismissMode = .interactive
+        if #available(iOS 13.0, *) {
+            textView.textColor = UIColor.label
+            textView.defaultTextColor = UIColor.label
+        } else {
+            // Fallback on earlier versions
+            textView.textColor = UIColor(red: 0x1A/255.0, green: 0x1A/255.0, blue: 0x1A/255.0, alpha: 1)
+            textView.defaultTextColor = UIColor(red: 0x1A/255.0, green: 0x1A/255.0, blue: 0x1A/255.0, alpha: 1)
+        }
+        textView.linkTextAttributes = [.foregroundColor: UIColor(red: 0x01 / 255.0, green: 0x60 / 255.0, blue: 0x87 / 255.0, alpha: 1), NSAttributedString.Key.underlineStyle: NSNumber(value: NSUnderlineStyle.single.rawValue)]
+    }
+
+    private func configureDefaultProperties(htmlTextView textView: UITextView, accessibilityLabel: String) {
         textView.accessibilityLabel = accessibilityLabel
         textView.font = Constants.defaultContentFont
         textView.keyboardDismissMode = .interactive