feat: support customizing the block icon

lib/src/editor/block_component/base_component/block_icon_builder.dart

@@ -0,0 +1,4 @@
+import 'package:appflowy_editor/appflowy_editor.dart';
+import 'package:flutter/material.dart';
+
+typedef BlockIconBuilder = Widget Function(BuildContext context, Node node);

lib/src/editor/block_component/bulleted_list_block_component/bulleted_list_block_component.dart

@@ -1,4 +1,5 @@
 import 'package:appflowy_editor/appflowy_editor.dart';
+import 'package:appflowy_editor/src/editor/block_component/base_component/block_icon_builder.dart';
 import 'package:flutter/material.dart';
 
 class BulletedListBlockKeys {
@@ -25,18 +26,22 @@ Node bulletedListNode({
 class BulletedListBlockComponentBuilder extends BlockComponentBuilder {
   BulletedListBlockComponentBuilder({
     this.configuration = const BlockComponentConfiguration(),
+    this.iconBuilder,
   });
 
   @override
   final BlockComponentConfiguration configuration;
 
+  final BlockIconBuilder? iconBuilder;
+
   @override
   BlockComponentWidget build(BlockComponentContext blockComponentContext) {
     final node = blockComponentContext.node;
     return BulletedListBlockComponentWidget(
       key: node.key,
       node: node,
       configuration: configuration,
+      iconBuilder: iconBuilder,
       showActions: showActions(node),
       actionBuilder: (context, state) => actionBuilder(
         blockComponentContext,
@@ -56,8 +61,11 @@ class BulletedListBlockComponentWidget extends BlockComponentStatefulWidget {
     super.showActions,
     super.actionBuilder,
     super.configuration = const BlockComponentConfiguration(),
+    this.iconBuilder,
   });
 
+  final BlockIconBuilder? iconBuilder;
+
   @override
   State<BulletedListBlockComponentWidget> createState() =>
       _BulletedListBlockComponentWidgetState();
@@ -92,10 +100,12 @@ class _BulletedListBlockComponentWidgetState
         mainAxisAlignment: MainAxisAlignment.start,
         mainAxisSize: MainAxisSize.min,
         children: [
-          _BulletedListIcon(
-            node: widget.node,
-            textStyle: textStyle,
-          ),
+          widget.iconBuilder != null
+              ? widget.iconBuilder!(context, node)
+              : _BulletedListIcon(
+                  node: widget.node,
+                  textStyle: textStyle,
+                ),
           Flexible(
             child: FlowyRichText(
               key: forwardKey,

lib/src/editor/block_component/numbered_list_block_component/numbered_list_block_component.dart

@@ -1,5 +1,7 @@
 import 'package:appflowy_editor/appflowy_editor.dart';
+import 'package:appflowy_editor/src/editor/block_component/base_component/block_icon_builder.dart';
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 
 class NumberedListBlockKeys {
   const NumberedListBlockKeys._();
@@ -31,18 +33,22 @@ Node numberedListNode({
 class NumberedListBlockComponentBuilder extends BlockComponentBuilder {
   NumberedListBlockComponentBuilder({
     this.configuration = const BlockComponentConfiguration(),
+    this.iconBuilder,
   });
 
   @override
   final BlockComponentConfiguration configuration;
 
+  final BlockIconBuilder? iconBuilder;
+
   @override
   BlockComponentWidget build(BlockComponentContext blockComponentContext) {
     final node = blockComponentContext.node;
     return NumberedListBlockComponentWidget(
       key: node.key,
       node: node,
       configuration: configuration,
+      iconBuilder: iconBuilder,
       showActions: showActions(node),
       actionBuilder: (context, state) => actionBuilder(
         blockComponentContext,
@@ -62,8 +68,11 @@ class NumberedListBlockComponentWidget extends BlockComponentStatefulWidget {
     super.showActions,
     super.actionBuilder,
     super.configuration = const BlockComponentConfiguration(),
+    this.iconBuilder,
   });
 
+  final BlockIconBuilder? iconBuilder;
+
   @override
   State<NumberedListBlockComponentWidget> createState() =>
       _NumberedListBlockComponentWidgetState();
@@ -98,7 +107,12 @@ class _NumberedListBlockComponentWidgetState
         mainAxisAlignment: MainAxisAlignment.start,
         mainAxisSize: MainAxisSize.min,
         children: [
-          defaultIcon(),
+          widget.iconBuilder != null
+              ? widget.iconBuilder!(context, node)
+              : _NumberedListIcon(
+                  node: node,
+                  textStyle: textStyle,
+                ),
           Flexible(
             child: FlowyRichText(
               key: forwardKey,
@@ -128,10 +142,22 @@ class _NumberedListBlockComponentWidgetState
 
     return child;
   }
+}
 
-  Widget defaultIcon() {
+class _NumberedListIcon extends StatelessWidget {
+  const _NumberedListIcon({
+    required this.node,
+    required this.textStyle,
+  });
+
+  final Node node;
+  final TextStyle textStyle;
+
+  @override
+  Widget build(BuildContext context) {
+    final editorState = context.read<EditorState>();
     final text = editorState.editorStyle.textStyleConfiguration.text;
-    final level = _NumberedListIconBuilder(node: widget.node).level;
+    final level = _NumberedListIconBuilder(node: node).level;
     return Padding(
       padding: const EdgeInsets.only(right: 5.0),
       child: Text.rich(

lib/src/editor/block_component/quote_block_component/quote_block_component.dart

@@ -1,4 +1,5 @@
 import 'package:appflowy_editor/appflowy_editor.dart';
+import 'package:appflowy_editor/src/editor/block_component/base_component/block_icon_builder.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
@@ -26,18 +27,22 @@ Node quoteNode({
 class QuoteBlockComponentBuilder extends BlockComponentBuilder {
   QuoteBlockComponentBuilder({
     this.configuration = const BlockComponentConfiguration(),
+    this.iconBuilder,
   });
 
   @override
   final BlockComponentConfiguration configuration;
 
+  final BlockIconBuilder? iconBuilder;
+
   @override
   BlockComponentWidget build(BlockComponentContext blockComponentContext) {
     final node = blockComponentContext.node;
     return QuoteBlockComponentWidget(
       key: node.key,
       node: node,
       configuration: configuration,
+      iconBuilder: iconBuilder,
       showActions: showActions(node),
       actionBuilder: (context, state) => actionBuilder(
         blockComponentContext,
@@ -57,8 +62,11 @@ class QuoteBlockComponentWidget extends BlockComponentStatefulWidget {
     super.showActions,
     super.actionBuilder,
     super.configuration = const BlockComponentConfiguration(),
+    this.iconBuilder,
   });
 
+  final BlockIconBuilder? iconBuilder;
+
   @override
   State<QuoteBlockComponentWidget> createState() =>
       _QuoteBlockComponentWidgetState();
@@ -94,7 +102,9 @@ class _QuoteBlockComponentWidgetState extends State<QuoteBlockComponentWidget>
           mainAxisAlignment: MainAxisAlignment.start,
           mainAxisSize: MainAxisSize.min,
           children: [
-            defaultIcon(),
+            widget.iconBuilder != null
+                ? widget.iconBuilder!(context, node)
+                : const _QuoteIcon(),
             Flexible(
               child: FlowyRichText(
                 key: forwardKey,
@@ -125,9 +135,13 @@ class _QuoteBlockComponentWidgetState extends State<QuoteBlockComponentWidget>
 
     return child;
   }
+}
 
-  // TODO: support custom icon.
-  Widget defaultIcon() {
+class _QuoteIcon extends StatelessWidget {
+  const _QuoteIcon();
+
+  @override
+  Widget build(BuildContext context) {
     return const FlowySvg(
       width: 20,
       height: 20,

lib/src/editor/block_component/todo_list_block_component/todo_list_block_component.dart

@@ -1,4 +1,5 @@
 import 'package:appflowy_editor/appflowy_editor.dart';
+import 'package:appflowy_editor/src/editor/block_component/base_component/block_icon_builder.dart';
 import 'package:flutter/material.dart';
 
 class TodoListBlockKeys {
@@ -33,7 +34,7 @@ class TodoListBlockComponentBuilder extends BlockComponentBuilder {
   TodoListBlockComponentBuilder({
     this.configuration = const BlockComponentConfiguration(),
     this.textStyleBuilder,
-    this.icon,
+    this.iconBuilder,
   });
 
   @override
@@ -42,8 +43,7 @@ class TodoListBlockComponentBuilder extends BlockComponentBuilder {
   /// The text style of the todo list block.
   final TextStyle Function(bool checked)? textStyleBuilder;
 
-  /// The icon of the todo list block.
-  final Widget? Function(bool checked)? icon;
+  final BlockIconBuilder? iconBuilder;
 
   @override
   BlockComponentWidget build(BlockComponentContext blockComponentContext) {
@@ -53,7 +53,7 @@ class TodoListBlockComponentBuilder extends BlockComponentBuilder {
       node: node,
       configuration: configuration,
       textStyleBuilder: textStyleBuilder,
-      icon: icon,
+      iconBuilder: iconBuilder,
       showActions: showActions(node),
       actionBuilder: (context, state) => actionBuilder(
         blockComponentContext,
@@ -77,11 +77,11 @@ class TodoListBlockComponentWidget extends BlockComponentStatefulWidget {
     super.actionBuilder,
     super.configuration = const BlockComponentConfiguration(),
     this.textStyleBuilder,
-    this.icon,
+    this.iconBuilder,
   });
 
   final TextStyle Function(bool checked)? textStyleBuilder;
-  final Widget? Function(bool checked)? icon;
+  final BlockIconBuilder? iconBuilder;
 
   @override
   State<TodoListBlockComponentWidget> createState() =>
@@ -119,10 +119,12 @@ class _TodoListBlockComponentWidgetState
         mainAxisAlignment: MainAxisAlignment.start,
         mainAxisSize: MainAxisSize.min,
         children: [
-          _TodoListIcon(
-            icon: widget.icon?.call(checked) ?? defaultCheckboxIcon(),
-            onTap: checkOrUncheck,
-          ),
+          widget.iconBuilder != null
+              ? widget.iconBuilder!(context, node)
+              : _TodoListIcon(
+                  checked: checked,
+                  onTap: checkOrUncheck,
+                ),
           Flexible(
             child: FlowyRichText(
               key: forwardKey,
@@ -163,15 +165,6 @@ class _TodoListBlockComponentWidgetState
     return editorState.apply(transaction);
   }
 
-  FlowySvg defaultCheckboxIcon() {
-    return FlowySvg(
-      width: 22,
-      height: 22,
-      padding: const EdgeInsets.only(right: 5.0),
-      name: checked ? 'check' : 'uncheck',
-    );
-  }
-
   TextStyle? defaultTextStyle() {
     if (!checked) {
       return null;
@@ -185,12 +178,12 @@ class _TodoListBlockComponentWidgetState
 
 class _TodoListIcon extends StatelessWidget {
   const _TodoListIcon({
-    required this.icon,
     required this.onTap,
+    required this.checked,
   });
 
-  final Widget icon;
   final VoidCallback onTap;
+  final bool checked;
 
   @override
   Widget build(BuildContext context) {
@@ -199,7 +192,12 @@ class _TodoListIcon extends StatelessWidget {
       child: GestureDetector(
         behavior: HitTestBehavior.opaque,
         onTap: onTap,
-        child: icon,
+        child: FlowySvg(
+          width: 22,
+          height: 22,
+          padding: const EdgeInsets.only(right: 5.0),
+          name: checked ? 'check' : 'uncheck',
+        ),
       ),
     );
   }

lib/src/editor/toolbar/desktop/items/icon_item_widget.dart

@@ -8,6 +8,7 @@ class IconItemWidget extends StatelessWidget {
     this.iconSize = const Size.square(18.0),
     required this.iconName,
     required this.isHighlight,
+    this.highlightColor = Colors.lightBlue,
     this.tooltip,
     this.onPressed,
   });
@@ -16,14 +17,15 @@ class IconItemWidget extends StatelessWidget {
   final Size iconSize;
   final String iconName;
   final bool isHighlight;
+  final Color highlightColor;
   final String? tooltip;
   final VoidCallback? onPressed;
 
   @override
   Widget build(BuildContext context) {
     Widget child = FlowySvg(
       name: iconName,
-      color: isHighlight ? Colors.lightBlue : null,
+      color: isHighlight ? highlightColor : null,
       width: iconSize.width,
       height: iconSize.height,
     );