Consolidated embed builders

example/lib/pages/home_page.dart

@@ -119,7 +119,10 @@ class _HomePageState extends State<HomePage> {
             null),
         sizeSmall: const TextStyle(fontSize: 9),
       ),
-      customElementsEmbedBuilder: customElementsEmbedBuilder,
+      embedBuilders: [
+        ...defaultEmbedBuilders,
+        NotesEmbedBuilder(addEditNote: _addEditNote)
+      ],
     );
     if (kIsWeb) {
       quillEditor = QuillEditor(
@@ -145,7 +148,7 @@ class _HomePageState extends State<HomePage> {
                 null),
             sizeSmall: const TextStyle(fontSize: 9),
           ),
-          embedBuilder: defaultEmbedBuilderWeb);
+          embedBuilders: defaultEmbedBuildersWeb);
     }
     var toolbar = QuillToolbar.basic(
       controller: _controller!,
@@ -386,17 +389,25 @@ class _HomePageState extends State<HomePage> {
       controller.replaceText(index, length, block, null);
     }
   }
+}
+
+class NotesEmbedBuilder implements IEmbedBuilder {
+  NotesEmbedBuilder({required this.addEditNote});
+
+  Future<void> Function(BuildContext context, {Document? document}) addEditNote;
 
-  Widget customElementsEmbedBuilder(
+  @override
+  String get key => 'notes';
+
+  @override
+  Widget build(
       BuildContext context,
       QuillController controller,
-    CustomBlockEmbed block,
+      Embed node,
       bool readOnly,
-    void Function(GlobalKey videoContainerKey)? onVideoInit,
-  ) {
-    switch (block.type) {
-      case 'notes':
-        final notes = NotesBlockEmbed(block.data).document;
+      void Function(GlobalKey<State<StatefulWidget>> videoContainerKey)?
+          onVideoInit) {
+    final notes = NotesBlockEmbed(node.value.data).document;
 
     return Material(
       color: Colors.transparent,
@@ -407,16 +418,13 @@ class _HomePageState extends State<HomePage> {
           overflow: TextOverflow.ellipsis,
         ),
         leading: const Icon(Icons.notes),
-            onTap: () => _addEditNote(context, document: notes),
+        onTap: () => addEditNote(context, document: notes),
         shape: RoundedRectangleBorder(
           borderRadius: BorderRadius.circular(10),
           side: const BorderSide(color: Colors.grey),
         ),
       ),
     );
-      default:
-        return const SizedBox();
-    }
   }
 }
 

example/lib/pages/read_only_page.dart

@@ -38,6 +38,7 @@ class _ReadOnlyPageState extends State<ReadOnlyPage> {
       readOnly: !_edit,
       expands: false,
       padding: EdgeInsets.zero,
+      embedBuilders: defaultEmbedBuilders,
     );
     if (kIsWeb) {
       quillEditor = QuillEditor(
@@ -49,7 +50,7 @@ class _ReadOnlyPageState extends State<ReadOnlyPage> {
           readOnly: !_edit,
           expands: false,
           padding: EdgeInsets.zero,
-          embedBuilder: defaultEmbedBuilderWeb);
+          embedBuilders: defaultEmbedBuildersWeb);
     }
     return Padding(
       padding: const EdgeInsets.all(8),

example/lib/universal_ui/universal_ui.dart

@@ -26,15 +26,13 @@ class UniversalUI {
 
 var ui = UniversalUI();
 
-Widget defaultEmbedBuilderWeb(
-  BuildContext context,
-  QuillController controller,
-  Embed node,
-  bool readOnly,
-  void Function(GlobalKey videoContainerKey)? onVideoInit,
-) {
-  switch (node.value.type) {
-    case BlockEmbed.imageType:
+class ImageEmbedBuilderWeb implements IEmbedBuilder {
+  @override
+  String get key => BlockEmbed.imageType;
+
+  @override
+  Widget build(BuildContext context, QuillController controller, Embed node,
+      bool readOnly, void Function(GlobalKey videoContainerKey)? onVideoInit) {
     final imageUrl = node.value.data;
     if (isImageBase64(imageUrl)) {
       // TODO: handle imageUrl of base64
@@ -58,7 +56,16 @@ Widget defaultEmbedBuilderWeb(
         ),
       ),
     );
-    case BlockEmbed.videoType:
+  }
+}
+
+class VideoEmbedBuilderWeb implements IEmbedBuilder {
+  @override
+  String get key => BlockEmbed.videoType;
+
+  @override
+  Widget build(BuildContext context, QuillController controller, Embed node,
+      bool readOnly, void Function(GlobalKey videoContainerKey)? onVideoInit) {
     var videoUrl = node.value.data;
     if (videoUrl.contains('youtube.com') || videoUrl.contains('youtu.be')) {
       final youtubeID = YoutubePlayer.convertUrlToId(videoUrl);
@@ -81,11 +88,10 @@ Widget defaultEmbedBuilderWeb(
         viewType: videoUrl,
       ),
     );
-    default:
-      throw UnimplementedError(
-        'Embeddable type "${node.value.type}" is not supported by default '
-        'embed builder of QuillEditor. You must pass your own builder function '
-        'to embedBuilder property of QuillEditor or QuillField widgets.',
-      );
   }
 }
+
+List<IEmbedBuilder> get defaultEmbedBuildersWeb => [
+      ImageEmbedBuilderWeb(),
+      VideoEmbedBuilderWeb(),
+    ];

lib/src/embeds/default_embed_builder.dart

@@ -36,21 +36,35 @@ typedef WebVideoPickImpl = Future<String?> Function(
 typedef MediaPickSettingSelector = Future<MediaPickSetting?> Function(
     BuildContext context);
 
+abstract class IEmbedBuilder {
+  String get key;
 
-Widget defaultEmbedBuilder(
+  Widget build(
+    BuildContext context,
+    QuillController controller,
+    leaf.Embed node,
+    bool readOnly,
+    void Function(GlobalKey videoContainerKey)? onVideoInit,
+  );
+}
+
+class ImageEmbedBuilder implements IEmbedBuilder {
+  @override
+  String get key => BlockEmbed.imageType;
+
+  @override
+  Widget build(
     BuildContext context,
     QuillController controller,
     leaf.Embed node,
     bool readOnly,
     void Function(GlobalKey videoContainerKey)? onVideoInit,
   ) {
-  assert(!kIsWeb, 'Please provide EmbedBuilder for Web');
+    assert(!kIsWeb, 'Please provide image EmbedBuilder for Web');
 
-  Tuple2<double?, double?>? _widthHeight;
-  switch (node.value.type) {
-    case BlockEmbed.imageType:
-      final imageUrl = standardizeImageUrl(node.value.data);
     var image;
+    final imageUrl = standardizeImageUrl(node.value.data);
+    Tuple2<double?, double?>? _widthHeight;
     final style = node.style.attributes['style'];
     if (isMobile() && style != null) {
       final _attrs = parseKeyValuePairs(style.value.toString(), {
@@ -162,7 +176,22 @@ Widget defaultEmbedBuilder(
 
     // We provide option menu for mobile platform excluding base64 image
     return _menuOptionsForReadonlyImage(context, imageUrl, image);
-    case BlockEmbed.videoType:
+  }
+}
+
+class VideoEmbedBuilder implements IEmbedBuilder {
+  @override
+  String get key => BlockEmbed.videoType;
+
+  @override
+  Widget build(
+      BuildContext context,
+      QuillController controller,
+      leaf.Embed node,
+      bool readOnly,
+      void Function(GlobalKey videoContainerKey)? onVideoInit) {
+    assert(!kIsWeb, 'Please provide video EmbedBuilder for Web');
+
     final videoUrl = node.value.data;
     if (videoUrl.contains('youtube.com') || videoUrl.contains('youtu.be')) {
       return YoutubeVideoApp(
@@ -174,9 +203,23 @@ Widget defaultEmbedBuilder(
       readOnly: readOnly,
       onVideoInit: onVideoInit,
     );
-    case BlockEmbed.formulaType:
-      final mathController = MathFieldEditingController();
+  }
+}
+
+class FormulaEmbedBuilder implements IEmbedBuilder {
+  @override
+  String get key => BlockEmbed.formulaType;
+
+  @override
+  Widget build(
+      BuildContext context,
+      QuillController controller,
+      leaf.Embed node,
+      bool readOnly,
+      void Function(GlobalKey videoContainerKey)? onVideoInit) {
+    assert(!kIsWeb, 'Please provide formula EmbedBuilder for Web');
 
+    final mathController = MathFieldEditingController();
     return Focus(
       onFocusChange: (hasFocus) {
         if (hasFocus) {
@@ -192,15 +235,15 @@ Widget defaultEmbedBuilder(
         onSubmitted: (value) {},
       ),
     );
-    default:
-      throw UnimplementedError(
-        'Embeddable type "${node.value.type}" is not supported by default '
-        'embed builder of QuillEditor. You must pass your own builder function '
-        'to embedBuilder property of QuillEditor or QuillField widgets.',
-      );
   }
 }
 
+List<IEmbedBuilder> get defaultEmbedBuilders => [
+      ImageEmbedBuilder(),
+      VideoEmbedBuilder(),
+      FormulaEmbedBuilder(),
+    ];
+
 Widget _menuOptionsForReadonlyImage(
     BuildContext context, String imageUrl, Widget image) {
   return GestureDetector(

lib/src/widgets/editor.dart

@@ -9,6 +9,8 @@ import 'package:flutter/services.dart';
 import 'package:i18n_extension/i18n_widget.dart';
 import 'package:tuple/tuple.dart';
 
+import '../../flutter_quill.dart';
+import '../embeds/default_embed_builder.dart';
 import '../models/documents/document.dart';
 import '../models/documents/nodes/container.dart' as container_node;
 import '../models/documents/nodes/embeddable.dart';
@@ -19,7 +21,6 @@ import 'controller.dart';
 import 'cursor.dart';
 import 'default_styles.dart';
 import 'delegate.dart';
-import '../embeds/default_embed_builder.dart';
 import 'float_cursor.dart';
 import 'link.dart';
 import 'raw_editor.dart';
@@ -168,8 +169,7 @@ class QuillEditor extends StatefulWidget {
       this.onSingleLongTapStart,
       this.onSingleLongTapMoveUpdate,
       this.onSingleLongTapEnd,
-      this.embedBuilder = defaultEmbedBuilder,
-      this.customElementsEmbedBuilder,
+      this.embedBuilders,
       this.linkActionPickerDelegate = defaultLinkActionPickerDelegate,
       this.customStyleBuilder,
       this.locale,
@@ -182,6 +182,7 @@ class QuillEditor extends StatefulWidget {
     required QuillController controller,
     required bool readOnly,
     Brightness? keyboardAppearance,
+    Iterable<IEmbedBuilder>? embedBuilders,
 
     /// The locale to use for the editor toolbar, defaults to system locale
     /// More at https://github.com/singerdmx/flutter-quill#translation
@@ -198,6 +199,7 @@ class QuillEditor extends StatefulWidget {
       padding: EdgeInsets.zero,
       keyboardAppearance: keyboardAppearance ?? Brightness.light,
       locale: locale,
+      embedBuilders: embedBuilders,
     );
   }
 
@@ -346,8 +348,7 @@ class QuillEditor extends StatefulWidget {
           LongPressEndDetails details, TextPosition Function(Offset offset))?
       onSingleLongTapEnd;
 
-  final EmbedBuilder embedBuilder;
-  final CustomEmbedBuilder? customElementsEmbedBuilder;
+  final Iterable<IEmbedBuilder>? embedBuilders;
   final CustomStyleBuilder? customStyleBuilder;
 
   /// The locale to use for the editor toolbar, defaults to system locale
@@ -473,23 +474,28 @@ class QuillEditorState extends State<QuillEditor>
         readOnly,
         onVideoInit,
       ) {
-        final customElementsEmbedBuilder = widget.customElementsEmbedBuilder;
-        final isCustomType = node.value.type == BlockEmbed.customType;
-        if (customElementsEmbedBuilder != null && isCustomType) {
-          return customElementsEmbedBuilder(
-            context,
-            controller,
-            CustomBlockEmbed.fromJsonString(node.value.data),
-            readOnly,
-            onVideoInit,
-          );
+        final builders = widget.embedBuilders;
+
+        if (builders != null) {
+          var _node = node;
+
+          // Creates correct node for custom embed
+          if (node.value.type == BlockEmbed.customType) {
+            _node = Embed(CustomBlockEmbed.fromJsonString(node.value.data));
           }
-        return widget.embedBuilder(
-          context,
-          controller,
-          node,
-          readOnly,
-          onVideoInit,
+
+          for (final builder in builders) {
+            if (builder.key == _node.value.type) {
+              return builder.build(
+                  context, controller, _node, readOnly, onVideoInit);
+            }
+          }
+        }
+
+        throw UnimplementedError(
+          'Embeddable type "${node.value.type}" is not supported by supplied '
+          'embed builders. You must pass your own builder function to '
+          'embedBuilders property of QuillEditor or QuillField widgets.',
         );
       },
       linkActionPickerDelegate: widget.linkActionPickerDelegate,

lib/src/widgets/raw_editor.dart

@@ -46,6 +46,7 @@ class RawEditor extends StatefulWidget {
       required this.cursorStyle,
       required this.selectionColor,
       required this.selectionCtrls,
+      required this.embedBuilder,
       Key? key,
       this.scrollable = true,
       this.padding = EdgeInsets.zero,
@@ -70,7 +71,6 @@ class RawEditor extends StatefulWidget {
       this.keyboardAppearance = Brightness.light,
       this.enableInteractiveSelection = true,
       this.scrollPhysics,
-      this.embedBuilder = defaultEmbedBuilder,
       this.linkActionPickerDelegate = defaultLinkActionPickerDelegate,
       this.customStyleBuilder,
       this.floatingCursorDisabled = false})