refactor 先清理掉参数相关便于后续大型重构

packages/note_dart/lib/src/content/example_content.dart

@@ -7,9 +7,10 @@ import 'package:note_dart/src/note_core.dart';
 import 'package:note_dart/ui.dart';
 import 'package:code_builder/code_builder.dart' as code;
 
+/// 暂时搁置参数需求
 /// this package is dependency by note page
 
-class ExampleContent extends NoteContent {
+class ExampleContent {
   final Mate mate;
   final bool isShowCode;
   final bool isShowParamEditor;
@@ -119,7 +120,7 @@ class SampleTemplate {
   }
 }
 
-class ExampleWidget extends StatelessWidget with NoteContentWidgetMixin {
+class ExampleWidget extends StatelessWidget   {
   final ObjectParam rootParam;
   final String title;
   final ExampleContent content;

packages/note_dart/lib/src/content/markdown_content.dart

@@ -1,42 +1,22 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_highlight/themes/vs2015.dart';
 import 'package:flutter_markdown/flutter_markdown.dart';
-import 'package:note_dart/note.dart';
 import 'package:markdown/markdown.dart' as md;
 import 'package:note_dart/src/flutter_highlight.dart';
 import 'package:note_dart/src/note_core.dart';
-import 'package:note_dart/src/utils_core.dart';
 
-
-extension MarkdownPenExtension on Pen {
-  void markdown(String content) {
-    call(MarkdownContent(content));
-  }
-}
-
-class MarkdownContent extends NoteContent {
-  final String content;
-
-  MarkdownContent(this.content);
-
-  @override
-  String toString() {
-    return "MarkdownContent('${content.replaceAll("\n", "\\n").safeSubstring(0, 50)}')";
-  }
-}
-
-class MarkdownContentWidget extends StatelessWidget with NoteContentWidgetMixin {
+class MarkdownContent extends StatelessWidget {
   final Outline outline;
-  final MarkdownContent content;
   final ScrollController controller = ScrollController();
+  final String content;
 
-  MarkdownContentWidget({super.key, required this.outline, required this.content});
+  MarkdownContent({super.key, required this.outline, required this.content});
 
   @override
   Widget build(BuildContext context) {
     var headerBuilder = _HeaderBuilder(outline);
     return Markdown(
-      data: content.content,
+      data: content,
       selectable: true,
       // 得研究下controller层层嵌套要怎么用
       controller: controller,
@@ -96,7 +76,7 @@ class _HeaderBuilder extends MarkdownElementBuilder {
   void visitElementBefore(md.Element element) {
     // tag value : h1 | h2 | h3 ....
     currentNode = OutlineNode(
-      // globalKey用来滚动到此位置
+      // FIXME 这里处理有问题，GlobalKey 不能这样用：globalKey用来滚动到此位置
       key: GlobalKey(),
       heading: int.parse(element.tag.substring(1)),
       title: element.textContent,

packages/note_dart/lib/src/content/object_content.dart

@@ -1,10 +1,9 @@
 import 'package:flutter/material.dart';
-import 'package:note_dart/src/note_core.dart';
 
-class ObjectContentWidget extends StatelessWidget with NoteContentWidgetMixin {
+class ObjectContent extends StatelessWidget   {
   final Object? content;
 
-  const ObjectContentWidget({super.key, required this.content});
+  const ObjectContent({super.key, required this.content});
 
   @override
   Widget build(BuildContext context) {

packages/note_dart/lib/src/note_core.dart

@@ -3,10 +3,7 @@
 import 'package:meta/meta.dart';
 import 'package:flutter/material.dart';
 import 'package:note_dart/note_conf.dart';
-import 'package:note_dart/src/content/example_content.dart';
 import 'package:note_dart/src/content/object_content.dart';
-import 'package:note_dart/src/content/params.dart';
-import 'package:note_dart/src/content/widget_content.dart';
 import 'package:note_dart/src/content/markdown_content.dart';
 import 'package:note_dart/src/conventions.dart';
 import 'package:note_dart/src/utils_core.dart';
@@ -49,7 +46,6 @@ NoteSource _emptyPageSource = NoteSource(pageGenInfo: _emptyPageGenInfo);
 
 class NoteSystem {
   final Note root;
-  final Editors _editors = Editors(); //暂时不让外部配置了，默认即可
   NoteSystem({
     required this.root,
   });
@@ -372,12 +368,11 @@ class Pen {
       return "$es : $stack";
     }
   }
-}
-
-/// note content is not widget , it is data.
-abstract class NoteContent {}
 
-mixin NoteContentWidgetMixin on Widget {}
+  void markdown(String content) {
+    print(MarkdownContent(outline: outline, content: content));
+  }
+}
 
 // markdown 的结构轮廓，主要用来显示TOC
 class Outline {
@@ -544,7 +539,7 @@ enum CellType {
 /// 一个cell代表note中的一个代码块及其产生的内容
 /// A cell represents a code block in a note and its generated content
 class NoteCell extends ChangeNotifier {
-  final List<NoteContentWidgetMixin> _contents = List.empty(growable: true);
+  final List<Widget> _contents = List.empty(growable: true);
 
   // index use to find code
   final int index;
@@ -588,20 +583,19 @@ class NoteCell extends ChangeNotifier {
 
   bool get isAllMarkdownContent {
     if (_contents.isEmpty) return false;
-    return _contents.every((e) => e is MarkdownContentWidget);
+    return _contents.every((e) => e is MarkdownContent);
   }
 
   void call(Object? content) {
-    var result = switch (content) {
-      MarkdownContent _ => MarkdownContentWidget(content: content, outline: outline),
-      Widget _ => WidgetContentWidget(content: content),
-      ExampleContent _ => ExampleWidget(content: content, rootParam: content.mate.toRootParam(editors: noteSystem._editors), cell: this),
-      _ => ObjectContentWidget(content: content),
+    Widget result = switch (content) {
+      String _ => MarkdownContent(content: content, outline: outline),
+      Widget widget => widget,
+      _ => ObjectContent(content: content),
     };
-    _add(result as NoteContentWidgetMixin);
+    _add(result);
   }
 
-  void _add(NoteContentWidgetMixin content) {
+  void _add(Widget content) {
     _contents.add(content);
     notifyListeners();
   }