Fix around image use backspace key can't delete break line. (#1309)

CHANGELOG.md

@@ -1,3 +1,9 @@
+# [7.2.13]
+- Fix around image can't delete line break.
+
+# [7.2.12]
+- Add support for copy/cut select image and text together.
+
 # [7.2.12]
 - Add support for copy/cut select image and text together.
 

flutter_quill_extensions/lib/embeds/builders.dart

@@ -21,6 +21,9 @@ class ImageEmbedBuilder extends EmbedBuilder {
   @override
   String get key => BlockEmbed.imageType;
 
+  @override
+  bool get expanded => false;
+
   @override
   Widget build(
     BuildContext context,

lib/src/models/rules/delete.dart

@@ -1,4 +1,5 @@
 import '../documents/attribute.dart';
+import '../documents/nodes/embeddable.dart';
 import '../quill_delta.dart';
 import 'rule.dart';
 
@@ -108,7 +109,10 @@ class PreserveLineStyleOnMergeRule extends DeleteRule {
   }
 }
 
-/// Prevents user from merging a line containing an embed with other lines.
+/// This rule applies to video, not image
+///
+/// Prevents user from merging a line containing an video embed with other
+/// lines, Corresponds [InsertEmbedsRule].
 class EnsureEmbedLineRule extends DeleteRule {
   const EnsureEmbedLineRule();
 
@@ -118,6 +122,13 @@ class EnsureEmbedLineRule extends DeleteRule {
     final itr = DeltaIterator(document);
 
     var op = itr.skip(index);
+    final opAfter = itr.skip(index + 1);
+
+    //Only video embed need can't merging a line.
+    if (!_isVideo(op) || !_isVideo(opAfter)) {
+      return null;
+    }
+
     int? indexDelta = 0, lengthDelta = 0, remain = len;
     var embedFound = op != null && op.data is! String;
     final hasLineBreakBefore =
@@ -157,4 +168,10 @@ class EnsureEmbedLineRule extends DeleteRule {
       ..retain(index + indexDelta)
       ..delete(len! + lengthDelta);
   }
+
+  bool _isVideo(op) {
+    return op != null &&
+        op.data is! String &&
+        !(op.data as Map).containsKey(BlockEmbed.videoType);
+  }
 }

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_quill
 description: A rich text editor supporting mobile and web (Demo App @ bulletjournal.us)
-version: 7.2.12
+version: 7.2.13
 #author: bulletjournal
 homepage: https://bulletjournal.us/home/index.html
 repository: https://github.com/singerdmx/flutter-quill