Embed copy to clipboard

lib/src/controller/quill_controller.dart

@@ -17,6 +17,7 @@ import '../document/nodes/embeddable.dart';
 import '../document/nodes/leaf.dart';
 import '../document/structs/doc_change.dart';
 import '../document/style.dart';
+import '../editor/config/editor_configurations.dart';
 import '../editor_toolbar_controller_shared/clipboard/clipboard_service_provider.dart';
 import 'quill_controller_configurations.dart';
 
@@ -485,6 +486,9 @@ class QuillController extends ChangeNotifier {
   /// Used to give focus to the editor following a toolbar action
   FocusNode? editorFocusNode;
 
+  /// Used to access embedBuilders for clipboard output
+  QuillEditorConfigurations? editorConfigurations;
+
   ImageUrl? _copiedImageUrl;
   ImageUrl? get copiedImageUrl => _copiedImageUrl;
 
@@ -495,7 +499,12 @@ class QuillController extends ChangeNotifier {
 
   bool clipboardSelection(bool copy) {
     copiedImageUrl = null;
-    _pastePlainText = getPlainText();
+
+    /// Get the text for the selected region and expand the content of Embedded objects.
+    _pastePlainText = document.getPlainText(
+        selection.start, selection.end - selection.start, editorConfigurations);
+
+    /// Get the internal representation so it can be pasted into a QuillEditor with style retained.
     _pasteStyleAndEmbed = getAllIndividualSelectionStylesAndEmbed();
 
     if (!selection.isCollapsed) {

lib/src/document/document.dart

@@ -6,6 +6,7 @@ import '../../quill_delta.dart';
 import '../common/structs/offset_value.dart';
 import '../common/structs/segment_leaf_node.dart';
 import '../delta/delta_x.dart';
+import '../editor/config/editor_configurations.dart';
 import '../editor/embed/embed_editor_builder.dart';
 import '../rules/rule.dart';
 import 'attribute.dart';
@@ -239,9 +240,9 @@ class Document {
   }
 
   /// Returns plain text within the specified text range.
-  String getPlainText(int index, int len) {
+  String getPlainText(int index, int len, [QuillEditorConfigurations? config]) {
     final res = queryChild(index);
-    return (res.node as Line).getPlainText(res.offset, len);
+    return (res.node as Line).getPlainText(res.offset, len, config);
   }
 
   /// Returns [Line] located at specified character [offset].

lib/src/document/nodes/line.dart

@@ -4,6 +4,7 @@ import 'package:collection/collection.dart';
 
 import '../../../../quill_delta.dart';
 import '../../common/structs/offset_value.dart';
+import '../../editor/config/editor_configurations.dart';
 import '../../editor/embed/embed_editor_builder.dart';
 import '../attribute.dart';
 import '../style.dart';
@@ -511,25 +512,35 @@ base class Line extends QuillContainer<Leaf?> {
   }
 
   /// Returns plain text within the specified text range.
-  String getPlainText(int offset, int len) {
+  String getPlainText(int offset, int len,
+      [QuillEditorConfigurations? config]) {
     final plainText = StringBuffer();
-    _getPlainText(offset, len, plainText);
+    _getPlainText(offset, len, plainText, config);
     return plainText.toString();
   }
 
-  int _getNodeText(Leaf node, StringBuffer buffer, int offset, int remaining) {
-    final text = node.toPlainText();
+  int _getNodeText(Leaf node, StringBuffer buffer, int offset, int remaining,
+      QuillEditorConfigurations? config) {
+    final text =
+        node.toPlainText(config?.embedBuilders, config?.unknownEmbedBuilder);
     if (text == Embed.kObjectReplacementCharacter) {
       buffer.write(Embed.kObjectReplacementCharacter);
       return remaining - node.length;
     }
 
+    /// Text for clipboard will expand the content of Embed nodes
+    if (node is Embed && config != null) {
+      buffer.write(text);
+      return remaining - 1;
+    }
+
     final end = math.min(offset + remaining, text.length);
     buffer.write(text.substring(offset, end));
     return remaining - (end - offset);
   }
 
-  int _getPlainText(int offset, int len, StringBuffer plainText) {
+  int _getPlainText(int offset, int len, StringBuffer plainText,
+      QuillEditorConfigurations? config) {
     var len0 = len;
     final data = queryChild(offset, false);
     var node = data.node as Leaf?;
@@ -540,11 +551,12 @@ base class Line extends QuillContainer<Leaf?> {
         plainText.write('\n');
         len0 -= 1;
       } else {
-        len0 = _getNodeText(node, plainText, offset - node.offset, len0);
+        len0 =
+            _getNodeText(node, plainText, offset - node.offset, len0, config);
 
         while (!node!.isLast && len0 > 0) {
           node = node.next as Leaf;
-          len0 = _getNodeText(node, plainText, 0, len0);
+          len0 = _getNodeText(node, plainText, 0, len0, config);
         }
 
         if (len0 > 0) {
@@ -555,7 +567,7 @@ base class Line extends QuillContainer<Leaf?> {
       }
 
       if (len0 > 0 && nextLine != null) {
-        len0 = nextLine!._getPlainText(0, len0, plainText);
+        len0 = nextLine!._getPlainText(0, len0, plainText, config);
       }
     }
 

lib/src/editor/editor.dart

@@ -175,6 +175,8 @@ class QuillEditorState extends State<QuillEditor>
   void initState() {
     super.initState();
     widget.configurations.controller.editorFocusNode ??= widget.focusNode;
+    widget.configurations.controller.editorConfigurations ??=
+        widget.configurations;
     if (configurations.autoFocus) {
       widget.configurations.controller.editorFocusNode?.requestFocus();
     }