Rename StyleBuilder to CustomStyleBuilder

lib/src/widgets/delegate.dart

@@ -2,6 +2,7 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
+import '../../flutter_quill.dart';
 
 import '../models/documents/nodes/leaf.dart';
 import 'editor.dart';
@@ -10,7 +11,7 @@ import 'text_selection.dart';
 typedef EmbedBuilder = Widget Function(
     BuildContext context, Embed node, bool readOnly);
 
-typedef StyleBuilder = TextStyle Function(String attributeKey);
+typedef CustomStyleBuilder = TextStyle Function(Attribute attribute);
 
 abstract class EditorTextSelectionGestureDetectorBuilderDelegate {
   GlobalKey<EditorState> getEditableTextKey();

lib/src/widgets/editor.dart

@@ -252,7 +252,7 @@ class QuillEditor extends StatefulWidget {
       this.onSingleLongTapMoveUpdate,
       this.onSingleLongTapEnd,
       this.embedBuilder = _defaultEmbedBuilder,
-      this.styleBuilder,
+      this.customStyleBuilder,
       Key? key});
 
   factory QuillEditor.basic({
@@ -312,7 +312,7 @@ class QuillEditor extends StatefulWidget {
       onSingleLongTapEnd;
 
   final EmbedBuilder embedBuilder;
-  final StyleBuilder? styleBuilder;
+  final CustomStyleBuilder? customStyleBuilder;
 
   @override
   _QuillEditorState createState() => _QuillEditorState();
@@ -417,7 +417,7 @@ class _QuillEditorState extends State<QuillEditor>
         widget.enableInteractiveSelection,
         widget.scrollPhysics,
         widget.embedBuilder,
-        widget.styleBuilder,
+        widget.customStyleBuilder,
       ),
     );
   }

lib/src/widgets/raw_editor.dart

@@ -57,7 +57,7 @@ class RawEditor extends StatefulWidget {
     this.enableInteractiveSelection,
     this.scrollPhysics,
     this.embedBuilder,
-    this.styleBuilder,
+    this.customStyleBuilder,
   )   : assert(maxHeight == null || maxHeight > 0, 'maxHeight cannot be null'),
         assert(minHeight == null || minHeight >= 0, 'minHeight cannot be null'),
         assert(maxHeight == null || minHeight == null || maxHeight >= minHeight,
@@ -90,7 +90,7 @@ class RawEditor extends StatefulWidget {
   final bool enableInteractiveSelection;
   final ScrollPhysics? scrollPhysics;
   final EmbedBuilder embedBuilder;
-  final StyleBuilder? styleBuilder;
+  final CustomStyleBuilder? customStyleBuilder;
   @override
   State<StatefulWidget> createState() => RawEditorState();
 }
@@ -249,7 +249,7 @@ class RawEditorState extends EditorState
             indentLevelCounts: indentLevelCounts,
             onCheckboxTap: _handleCheckboxTap,
             readOnly: widget.readOnly,
-            styleBuilder: widget.styleBuilder);
+            customStyleBuilder: widget.customStyleBuilder);
         result.add(editableTextBlock);
       } else {
         throw StateError('Unreachable.');
@@ -264,7 +264,7 @@ class RawEditorState extends EditorState
       line: node,
       textDirection: _textDirection,
       embedBuilder: widget.embedBuilder,
-      styleBuilder: widget.styleBuilder,
+      customStyleBuilder: widget.customStyleBuilder,
       styles: _styles!,
       readOnly: widget.readOnly,
     );

lib/src/widgets/text_block.dart

@@ -63,7 +63,7 @@ class EditableTextBlock extends StatelessWidget {
       required this.indentLevelCounts,
       required this.onCheckboxTap,
       required this.readOnly,
-      this.styleBuilder,
+      this.customStyleBuilder,
       Key? key});
 
   final Block block;
@@ -77,7 +77,7 @@ class EditableTextBlock extends StatelessWidget {
   final bool hasFocus;
   final EdgeInsets? contentPadding;
   final EmbedBuilder embedBuilder;
-  final StyleBuilder? styleBuilder;
+  final CustomStyleBuilder? customStyleBuilder;
   final CursorCont cursorCont;
   final Map<int, int> indentLevelCounts;
   final Function(int, bool) onCheckboxTap;
@@ -125,7 +125,7 @@ class EditableTextBlock extends StatelessWidget {
             line: line,
             textDirection: textDirection,
             embedBuilder: embedBuilder,
-            styleBuilder: styleBuilder,
+            customStyleBuilder: customStyleBuilder,
             styles: styles!,
             readOnly: readOnly,
           ),

lib/src/widgets/text_line.dart

@@ -27,7 +27,7 @@ class TextLine extends StatelessWidget {
     required this.styles,
     required this.readOnly,
     this.textDirection,
-    this.styleBuilder,
+    this.customStyleBuilder,
     Key? key,
   }) : super(key: key);
 
@@ -36,7 +36,7 @@ class TextLine extends StatelessWidget {
   final EmbedBuilder embedBuilder;
   final DefaultStyles styles;
   final bool readOnly;
-  final StyleBuilder? styleBuilder;
+  final CustomStyleBuilder? customStyleBuilder;
 
   @override
   Widget build(BuildContext context) {
@@ -158,13 +158,16 @@ class TextLine extends StatelessWidget {
 
   TextStyle _applyCustomAttributes(
       TextStyle textStyle, Map<String, Attribute> attributes) {
-    if (styleBuilder == null) {
+    if (customStyleBuilder == null) {
       return textStyle;
     }
-    attributes.keys.where((key) => !attributes.containsKey(key)).forEach((key) {
-      /// Custom Attribute
-      final customAttr = styleBuilder!.call(key);
-      textStyle = textStyle.merge(customAttr);
+    attributes.keys.forEach((key) {
+      final attr = attributes[key];
+      if (attr != null) {
+        /// Custom Attribute
+        final customAttr = customStyleBuilder!.call(attr);
+        textStyle = textStyle.merge(customAttr);
+      }
     });
     return textStyle;
   }