Fix: RTL issues (#2060)

* fix: RTL issues

* fix: removed unused imports

* dart formatting

---------

Co-authored-by: CatHood0 <santiagowmar@gmail.com>

lib/src/common/utils/directionality.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+
+bool isRTLLanguage(Locale locale) {
+  final rtlLanguages = [
+    'ar', // Arabic
+    'dv', // Divehi (Maldivian)
+    'fa', // Persian (Farsi)
+    'ha', // Hausa (in Ajami script)
+    'he', // Hebrew
+    'khw', // Khowar (in Arabic script)
+    'ks', // Kashmiri (in Arabic script)
+    'ku', // Kurdish (Sorani)
+    'ps', // Pashto
+    'ur', // Urdu
+    'yi', // Yiddish
+    'sd', // Sindhi
+    'ug', // Uyghur
+  ];
+  return rtlLanguages.contains(locale.languageCode);
+}
+
+bool isRTL(BuildContext context) {
+  return isRTLLanguage(Localizations.localeOf(context));
+}

lib/src/editor/raw_editor/raw_editor_state.dart

@@ -23,6 +23,7 @@ import '../../common/structs/horizontal_spacing.dart';
 import '../../common/structs/offset_value.dart';
 import '../../common/structs/vertical_spacing.dart';
 import '../../common/utils/cast.dart';
+import '../../common/utils/directionality.dart';
 import '../../common/utils/platform.dart';
 import '../../controller/quill_controller.dart';
 import '../../delta/delta_diff.dart';
@@ -975,16 +976,23 @@ class QuillRawEditorState extends EditorState
       }
 
       prevNodeOl = attrs[Attribute.list.key] == Attribute.ol;
-
+      var nodeTextDirection = getDirectionOfNode(node);
+      // verify if the direction from nodeTextDirection is the default direction
+      // and watch if the system language is a RTL language and avoid putting
+      // to the edge of the left side any checkbox or list point/number if is a
+      // RTL language
+      if (nodeTextDirection == TextDirection.ltr && isRTL(context)) {
+        nodeTextDirection = TextDirection.rtl;
+      }
       if (node is Line) {
         final editableTextLine = _getEditableTextLineFromNode(node, context);
         result.add(Directionality(
-            textDirection: getDirectionOfNode(node), child: editableTextLine));
+            textDirection: nodeTextDirection, child: editableTextLine));
       } else if (node is Block) {
         final editableTextBlock = EditableTextBlock(
           block: node,
           controller: controller,
-          textDirection: getDirectionOfNode(node),
+          textDirection: nodeTextDirection,
           scrollBottomInset: widget.configurations.scrollBottomInset,
           horizontalSpacing: _getHorizontalSpacingForBlock(node, _styles),
           verticalSpacing: _getVerticalSpacingForBlock(node, _styles),
@@ -1011,7 +1019,7 @@ class QuillRawEditorState extends EditorState
         );
         result.add(
           Directionality(
-            textDirection: getDirectionOfNode(node),
+            textDirection: nodeTextDirection,
             child: editableTextBlock,
           ),
         );

lib/src/editor/widgets/text/text_block.dart

@@ -3,6 +3,7 @@ import 'package:flutter/rendering.dart';
 
 import '../../../common/structs/horizontal_spacing.dart';
 import '../../../common/structs/vertical_spacing.dart';
+import '../../../common/utils/directionality.dart';
 import '../../../common/utils/font.dart';
 import '../../../controller/quill_controller.dart';
 import '../../../delta/delta_diff.dart';
@@ -134,6 +135,15 @@ class EditableTextBlock extends StatelessWidget {
       Block node, DefaultStyles? defaultStyles) {
     final attrs = block.style.attributes;
     if (attrs.containsKey(Attribute.blockQuote.key)) {
+      // Verify if the direction is RTL and avoid passing the decoration
+      // to the left when need to be on right side
+      if (textDirection == TextDirection.rtl) {
+        return defaultStyles!.quote!.decoration?.copyWith(
+          border: Border(
+            right: BorderSide(width: 4, color: Colors.grey.shade300),
+          ),
+        );
+      }
       return defaultStyles!.quote!.decoration;
     }
     if (attrs.containsKey(Attribute.codeBlock.key)) {
@@ -184,7 +194,14 @@ class EditableTextBlock extends StatelessWidget {
         MediaQuery.devicePixelRatioOf(context),
         cursorCont,
       );
-      final nodeTextDirection = getDirectionOfNode(line);
+      var nodeTextDirection = getDirectionOfNode(line);
+      // verify if the direction from nodeTextDirection is the default direction
+      // and watch if the system language is a RTL language and avoid putting
+      // to the edge of the left side any checkbox or list point/number if is a
+      // RTL language
+      if (nodeTextDirection == TextDirection.ltr && isRTL(context)) {
+        nodeTextDirection = TextDirection.rtl;
+      }
       children.add(
         Directionality(
           textDirection: nodeTextDirection,