Changed linkification on paste to match URL parsing within the linkif…

…ication reaction (Resolves #2031) (#2045)

super_editor/lib/src/default_editor/common_editor_operations.dart

@@ -4,11 +4,13 @@ import 'dart:ui';
 import 'package:attributed_text/attributed_text.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
+import 'package:linkify/linkify.dart';
 import 'package:super_editor/src/core/document.dart';
 import 'package:super_editor/src/core/document_composer.dart';
 import 'package:super_editor/src/core/document_layout.dart';
 import 'package:super_editor/src/core/document_selection.dart';
 import 'package:super_editor/src/core/editor.dart';
+import 'package:super_editor/src/default_editor/default_document_editor_reactions.dart';
 import 'package:super_editor/src/default_editor/list_items.dart';
 import 'package:super_editor/src/default_editor/paragraph.dart';
 import 'package:super_editor/src/default_editor/selection_upstream_downstream.dart';
@@ -2381,11 +2383,18 @@ class PasteEditorCommand implements EditCommand {
 
     for (final wordBoundary in wordBoundaries) {
       final word = wordBoundary.textInside(pastedText);
-      final link = Uri.tryParse(word);
 
-      if (link != null && link.hasScheme && link.hasAuthority) {
-        // Valid url. Apply [LinkAttribution] to the url
-        final linkAttribution = LinkAttribution.fromUri(link);
+      final extractedLinks = linkify(
+        word,
+        options: const LinkifyOptions(
+          humanize: false,
+          looseUrl: true,
+        ),
+      );
+      final int linkCount = extractedLinks.fold(0, (value, element) => element is UrlElement ? value + 1 : value);
+      if (linkCount == 1) {
+        // The word is a single URL. Linkify it.
+        final uri = parseLink(word);
 
         final startOffset = wordBoundary.start;
         // -1 because TextPosition's offset indexes the character after the
@@ -2394,7 +2403,7 @@ class PasteEditorCommand implements EditCommand {
 
         // Add link attribution.
         linkAttributionSpans.addAttribution(
-          newAttribution: linkAttribution,
+          newAttribution: LinkAttribution.fromUri(uri),
           start: startOffset,
           end: endOffset,
         );

super_editor/lib/src/default_editor/default_document_editor_reactions.dart

@@ -634,7 +634,7 @@ class LinkifyReaction implements EditReaction {
     final int linkCount = extractedLinks.fold(0, (value, element) => element is UrlElement ? value + 1 : value);
     if (linkCount == 1) {
       // The word is a single URL. Linkify it.
-      final uri = _parseLink(word);
+      final uri = parseLink(word);
 
       text.addAttribution(
         LinkAttribution.fromUri(uri),
@@ -799,21 +799,24 @@ class LinkifyReaction implements EditReaction {
     if (updatePolicy == LinkUpdatePolicy.update) {
       changedNodeText.addAttribution(
         LinkAttribution.fromUri(
-          _parseLink(changedNodeText.text.substring(rangeToUpdate.start, rangeToUpdate.end + 1)),
+          parseLink(changedNodeText.text.substring(rangeToUpdate.start, rangeToUpdate.end + 1)),
         ),
         rangeToUpdate,
       );
     }
   }
+}
 
-  /// Parses the [text] as [Uri], prepending "https://" if it doesn't start
-  /// with "http://" or "https://".
-  Uri _parseLink(String text) {
-    final uri = text.startsWith("http://") || text.startsWith("https://") //
-        ? Uri.parse(text)
-        : Uri.parse("https://$text");
-    return uri;
-  }
+/// Parses the [text] as [Uri], prepending "https://" if it doesn't start
+/// with "http://" or "https://".
+// TODO: Make this private again. It was private, but we have some split linkification between the reaction
+//       and the paste behavior in common_editor_operations. Once we create a way for reactions to identify
+//       paste behaviors, move the paste linkification into the linkify reaction and make this private again.
+Uri parseLink(String text) {
+  final uri = text.startsWith("http://") || text.startsWith("https://") //
+      ? Uri.parse(text)
+      : Uri.parse("https://$text");
+  return uri;
 }
 
 /// Configuration for the action that should happen when a text containing