refactor: support nested block struct (#4200)

* refactor: support nested block struct

* fix: pasted bugs

* fix: fix lift node

* fix: unit test

* fix: selection style

* feat: support block color

* fix: turn to block bugs

* fix: code block bugs

frontend/appflowy_tauri/src/appflowy_app/application/document/document.service.ts

@@ -22,7 +22,7 @@ import { EditorData, EditorNodeType } from '$app/application/document/document.t
 import { Log } from '$app/utils/log';
 import { Op } from 'quill-delta';
 import { Element } from 'slate';
-import { generateId, transformToInlineElement } from '$app/components/editor/provider/utils/convert';
+import { getInlinesWithDelta } from '$app/components/editor/provider/utils/convert';
 
 export function blockPB2Node(block: BlockPB) {
   let data = {};
@@ -33,7 +33,7 @@ export function blockPB2Node(block: BlockPB) {
     Log.error('[Document Open] json parse error', block.data);
   }
 
-  const node = {
+  return {
     id: block.id,
     type: block.ty as EditorNodeType,
     parent: block.parent_id,
@@ -42,8 +42,6 @@ export function blockPB2Node(block: BlockPB) {
     externalId: block.external_id,
     externalType: block.external_type,
   };
-
-  return node;
 }
 
 export const BLOCK_MAP_NAME = 'blocks';
@@ -51,7 +49,6 @@ export const META_NAME = 'meta';
 export const CHILDREN_MAP_NAME = 'children_map';
 
 export const TEXT_MAP_NAME = 'text_map';
-export const EQUATION_PLACEHOLDER = '$';
 export async function openDocument(docId: string): Promise<EditorData> {
   const payload = OpenDocumentPayloadPB.fromObject({
     document_id: docId,
@@ -233,62 +230,37 @@ interface BlockJSON {
 }
 
 function flattenBlockJson(block: BlockJSON) {
-  const nodes: Element[] = [];
-
-  const traverse = (block: BlockJSON, parentId: string, level: number, isHidden: boolean) => {
+  const traverse = (block: BlockJSON) => {
     const { delta, ...data } = block.data;
-    const blockId = generateId();
-    const node: Element = {
-      blockId,
+
+    const slateNode: Element = {
       type: block.type,
-      data,
+      data: data,
       children: [],
-      parentId,
-      level,
-      textId: generateId(),
-      isHidden,
     };
 
-    node.children = delta
-      ? delta.map((op) => {
-          const matchInline = transformToInlineElement(op);
+    const textNode: Element | null = delta
+      ? {
+          type: 'text',
+          children: [],
+        }
+      : null;
 
-          if (matchInline) {
-            return matchInline;
-          }
+    const inlinesNodes = getInlinesWithDelta(delta);
+
+    textNode?.children.push(...inlinesNodes);
 
-          return {
-            text: op.insert as string,
-            ...op.attributes,
-          };
-        })
-      : [
-          {
-            text: '',
-          },
-        ];
-    nodes.push(node);
     const children = block.children;
 
-    for (const child of children) {
-      let isHidden = false;
-
-      if (node.type === EditorNodeType.ToggleListBlock) {
-        const collapsed = (node.data as { collapsed: boolean })?.collapsed;
-
-        if (collapsed) {
-          isHidden = true;
-        }
-      }
-
-      traverse(child, blockId, level + 1, isHidden);
+    slateNode.children = children.map((child) => traverse(child));
+    if (textNode) {
+      slateNode.children.unshift(textNode);
     }
 
-    return node;
+    return slateNode;
   };
 
-  traverse(block, '', 0, false);
+  const root = traverse(block);
 
-  nodes.shift();
-  return nodes;
+  return root.children;
 }

frontend/appflowy_tauri/src/appflowy_app/application/document/document.types.ts

@@ -8,12 +8,18 @@ export interface EditorNode {
   id: string;
   type: EditorNodeType;
   parent?: string | null;
-  data?: unknown;
+  data?: BlockData;
   children?: string;
   externalId?: string;
   externalType?: string;
 }
 
+export interface TextNode extends Element {
+  type: EditorNodeType.Text;
+  textId: string;
+  blockId: string;
+}
+
 export interface PageNode extends Element {
   type: EditorNodeType.Page;
 }
@@ -21,32 +27,38 @@ export interface ParagraphNode extends Element {
   type: EditorNodeType.Paragraph;
 }
 
+export type BlockData = {
+  [key: string]: string | boolean | number | undefined;
+  font_color?: string;
+  bg_color?: string;
+};
+
 export interface HeadingNode extends Element {
   type: EditorNodeType.HeadingBlock;
   data: {
     level: number;
-  };
+  } & BlockData;
 }
 
 export interface GridNode extends Element {
   type: EditorNodeType.GridBlock;
   data: {
     viewId?: string;
-  };
+  } & BlockData;
 }
 
 export interface TodoListNode extends Element {
   type: EditorNodeType.TodoListBlock;
   data: {
     checked: boolean;
-  };
+  } & BlockData;
 }
 
 export interface CodeNode extends Element {
   type: EditorNodeType.CodeBlock;
   data: {
     language: string;
-  };
+  } & BlockData;
 }
 
 export interface QuoteNode extends Element {
@@ -65,7 +77,7 @@ export interface ToggleListNode extends Element {
   type: EditorNodeType.ToggleListBlock;
   data: {
     collapsed: boolean;
-  };
+  } & BlockData;
 }
 
 export interface DividerNode extends Element {
@@ -76,18 +88,19 @@ export interface CalloutNode extends Element {
   type: EditorNodeType.CalloutBlock;
   data: {
     icon: string;
-  };
+  } & BlockData;
 }
 
 export interface MathEquationNode extends Element {
   type: EditorNodeType.EquationBlock;
   data: {
     formula?: string;
-  };
+  } & BlockData;
 }
 
 export interface FormulaNode extends Element {
   type: EditorInlineNodeType.Formula;
+  data: boolean;
 }
 
 export interface MentionNode extends Element {
@@ -129,6 +142,7 @@ export interface EditorProps {
 }
 
 export enum EditorNodeType {
+  Text = 'text',
   Paragraph = 'paragraph',
   Page = 'page',
   HeadingBlock = 'heading',
@@ -145,8 +159,6 @@ export enum EditorNodeType {
   GridBlock = 'grid',
 }
 
-export const blockTypes: string[] = Object.values(EditorNodeType);
-
 export enum EditorInlineNodeType {
   Mention = 'mention',
   Formula = 'formula',
@@ -196,18 +208,6 @@ export enum EditorStyleFormat {
   Href = 'href',
 }
 
-export const markTypes: string[] = [
-  EditorMarkFormat.Bold,
-  EditorMarkFormat.Italic,
-  EditorMarkFormat.Underline,
-  EditorMarkFormat.StrikeThrough,
-  EditorMarkFormat.Code,
-  EditorMarkFormat.Formula,
-  EditorStyleFormat.Href,
-  EditorStyleFormat.FontColor,
-  EditorStyleFormat.BackgroundColor,
-];
-
 export enum EditorTurnFormat {
   Paragraph = 'paragraph',
   Heading1 = 'heading1', // 'heading1' is a special format, it's not a slate node type, but a slate node type's data

frontend/appflowy_tauri/src/appflowy_app/components/_shared/EditRow/EditFieldPopup.tsx

@@ -113,6 +113,7 @@ export const EditFieldPopup = ({
         await save();
         onOutsideClick();
       }}
+      disableRestoreFocus={true}
       anchorOrigin={{
         vertical: 'bottom',
         horizontal: 'left',

frontend/appflowy_tauri/src/appflowy_app/components/database/DatabaseTitle.tsx

@@ -1,47 +1,28 @@
-import { FormEventHandler, useCallback, useEffect, useMemo, useState } from 'react';
+import { FormEventHandler, useCallback } from 'react';
 import { t } from 'i18next';
-import { PageController } from '$app/stores/effects/workspace/page/page_controller';
 import { useViewId } from '$app/hooks';
+import { useAppDispatch, useAppSelector } from '$app/stores/store';
+import { updatePageName } from '$app_reducers/pages/async_actions';
 
 export const DatabaseTitle = () => {
   const viewId = useViewId();
-  const [title, setTitle] = useState('');
-
-  const controller = useMemo(() => new PageController(viewId), [viewId]);
-
-  useEffect(() => {
-    void controller.getPage().then((page) => {
-      setTitle(page.name);
-    });
-
-    void controller.subscribe({
-      onPageChanged: (page) => {
-        setTitle(page.name);
-      },
-    });
-
-    return () => {
-      void controller.unsubscribe();
-    };
-  }, [controller]);
+  const pageName = useAppSelector((state) => state.pages.pageMap[viewId].name);
+  const dispatch = useAppDispatch();
 
   const handleInput = useCallback<FormEventHandler>(
     (event) => {
       const newTitle = (event.target as HTMLInputElement).value;
 
-      void controller.updatePage({
-        id: viewId,
-        name: newTitle,
-      });
+      void dispatch(updatePageName({ id: viewId, name: newTitle }));
     },
-    [viewId, controller]
+    [viewId, dispatch]
   );
 
   return (
     <div className='mb-6 h-[70px] px-16 pt-8'>
       <input
         className='text-3xl font-semibold'
-        value={title}
+        value={pageName}
         placeholder={t('grid.title.placeholder')}
         onInput={handleInput}
       />

frontend/appflowy_tauri/src/appflowy_app/components/database/components/cell/SelectCell.tsx

@@ -61,6 +61,7 @@ export const SelectCell: FC<{
         {open ? (
           <Menu
             keepMounted={false}
+            disableRestoreFocus={true}
             className='h-full w-full'
             open={open}
             anchorEl={anchorEl}

frontend/appflowy_tauri/src/appflowy_app/components/database/components/database_settings/SettingsMenu.tsx

@@ -38,7 +38,7 @@ function SettingsMenu(props: SettingsMenuProps) {
 
   return (
     <>
-      <Menu {...props}>
+      <Menu {...props} disableRestoreFocus={true}>
         <MenuItem
           onClick={(event) => {
             const rect = event.currentTarget.getBoundingClientRect();
@@ -54,6 +54,7 @@ function SettingsMenu(props: SettingsMenuProps) {
         </MenuItem>
       </Menu>
       <Popover
+        disableRestoreFocus={true}
         open={openProperties}
         onClose={() => {
           setPropertiesAnchorElPosition(undefined);

frontend/appflowy_tauri/src/appflowy_app/components/database/components/edit_record/RecordActions.tsx

@@ -39,7 +39,7 @@ function RecordActions({ anchorEl, open, onClose, rowId }: Props) {
   ];
 
   return (
-    <Menu anchorEl={anchorEl} open={open} onClose={onClose}>
+    <Menu anchorEl={anchorEl} disableRestoreFocus={true} open={open} onClose={onClose}>
       {menuOptions.map((option) => (
         <MenuItem
           key={option.label}

frontend/appflowy_tauri/src/appflowy_app/components/database/components/field_types/checklist/ChecklistCellActions.tsx

@@ -16,7 +16,7 @@ function ChecklistCellActions({
   const { percentage, selectedOptions = [], options } = cell.data;
 
   return (
-    <Popover {...props}>
+    <Popover disableRestoreFocus={true} {...props}>
       <LinearProgressWithLabel className={'m-4'} value={percentage || 0} />
       <div className={'p-1'}>
         {options?.map((option) => {

frontend/appflowy_tauri/src/appflowy_app/components/database/components/field_types/date/DateFormat.tsx

@@ -42,6 +42,7 @@ function DateFormat({ value, onChange }: Props) {
         <MoreSvg className={`transform text-base ${open ? '' : 'rotate-90'}`} />
       </MenuItem>
       <Menu
+        disableRestoreFocus={true}
         anchorOrigin={{
           vertical: 'top',
           horizontal: 'right',

frontend/appflowy_tauri/src/appflowy_app/components/database/components/field_types/date/DateTimeCellActions.tsx

@@ -75,6 +75,7 @@ function DateTimeCellActions({
 
   return (
     <Popover
+      disableRestoreFocus={true}
       keepMounted={false}
       anchorOrigin={{
         vertical: 'bottom',

frontend/appflowy_tauri/src/appflowy_app/components/database/components/field_types/date/DateTimeFormatSelect.tsx

@@ -23,6 +23,7 @@ function DateTimeFormatSelect({ field }: Props) {
         <MoreSvg className={`transform text-base ${open ? '' : 'rotate-90'}`} />
       </MenuItem>
       <Menu
+        disableRestoreFocus={true}
         anchorOrigin={{
           vertical: 'top',
           horizontal: 'right',

frontend/appflowy_tauri/src/appflowy_app/components/database/components/field_types/date/TimeFormat.tsx

@@ -37,6 +37,7 @@ function TimeFormat({ value, onChange }: Props) {
         <MoreSvg className={`transform text-base ${open ? '' : 'rotate-90'}`} />
       </MenuItem>
       <Menu
+        disableRestoreFocus={true}
         anchorOrigin={{
           vertical: 'top',
           horizontal: 'right',

frontend/appflowy_tauri/src/appflowy_app/components/database/components/field_types/number/EditNumberCellInput.tsx

@@ -34,6 +34,7 @@ function EditNumberCellInput({
 
   return (
     <Popover
+      disableRestoreFocus={true}
       keepMounted={false}
       open={editing}
       anchorEl={anchorEl}

frontend/appflowy_tauri/src/appflowy_app/components/database/components/field_types/number/NumberFormatMenu.tsx

@@ -13,7 +13,7 @@ function NumberFormatMenu({
   onChangeFormat: (value: NumberFormatPB) => void;
 }) {
   return (
-    <Menu {...props}>
+    <Menu {...props} disableRestoreFocus={true}>
       {formats.map((format) => (
         <MenuItem
           onClick={() => {

frontend/appflowy_tauri/src/appflowy_app/components/database/components/field_types/select/SelectOptionMenu.tsx

@@ -79,6 +79,7 @@ export const SelectOptionMenu: FC<SelectOptionMenuProps> = ({ fieldId, option, M
       }}
       {...menuProps}
       onClose={onClose}
+      disableRestoreFocus={true}
     >
       <ListSubheader className='my-2 leading-tight'>
         <OutlinedInput

frontend/appflowy_tauri/src/appflowy_app/components/database/components/field_types/text/EditTextCellInput.tsx

@@ -22,6 +22,7 @@ function EditTextCellInput({ editing, anchorEl, onClose, text, onInput }: Props)
 
   return (
     <Popover
+      disableRestoreFocus={true}
       open={editing}
       anchorEl={anchorEl}
       PaperProps={{

frontend/appflowy_tauri/src/appflowy_app/components/database/components/filter/Filter.tsx

@@ -119,6 +119,7 @@ function Filter({ filter, field }: Props) {
       />
       {condition !== undefined && open && (
         <Popover
+          disableRestoreFocus={true}
           anchorOrigin={{
             vertical: 'bottom',
             horizontal: 'center',

frontend/appflowy_tauri/src/appflowy_app/components/database/components/filter/FilterActions.tsx

@@ -33,7 +33,7 @@ function FilterActions({ filter }: { filter: Filter }) {
       >
         <MoreSvg />
       </IconButton>
-      <Menu keepMounted={false} open={open} anchorEl={anchorEl} onClose={onClose}>
+      <Menu disableRestoreFocus={true} keepMounted={false} open={open} anchorEl={anchorEl} onClose={onClose}>
         <MenuItem onClick={onDelete}>{t('grid.settings.deleteFilter')}</MenuItem>
       </Menu>
     </>

frontend/appflowy_tauri/src/appflowy_app/components/database/components/filter/FilterFieldsMenu.tsx

@@ -34,7 +34,7 @@ function FilterFieldsMenu({
   );
 
   return (
-    <Popover {...props}>
+    <Popover disableRestoreFocus={true} {...props}>
       <PropertiesList showSearch searchPlaceholder={t('grid.settings.filterBy')} onItemClick={addFilter} />
     </Popover>
   );

frontend/appflowy_tauri/src/appflowy_app/components/database/components/property/PropertyMenu.tsx

@@ -35,6 +35,7 @@ export const PropertyMenu: FC<GridFieldMenuProps> = ({ field, ...props }) => {
 
   return (
     <Popover
+      disableRestoreFocus={true}
       transformOrigin={{
         vertical: -10,
         horizontal: 'left',

frontend/appflowy_tauri/src/appflowy_app/components/database/components/property/property_type/PropertyTypeMenu.tsx

@@ -40,7 +40,7 @@ export const PropertyTypeMenu: FC<
   );
 
   return (
-    <Menu {...props} PopoverClasses={PopoverClasses}>
+    <Menu {...props} disableRestoreFocus={true} PopoverClasses={PopoverClasses}>
       {FieldTypeGroup.map((group, index) => [
         <MenuItem key={group.name} dense disabled>
           {group.name}

frontend/appflowy_tauri/src/appflowy_app/components/database/components/sort/SortFieldsMenu.tsx

@@ -28,7 +28,7 @@ const SortFieldsMenu: FC<
   );
 
   return (
-    <Popover keepMounted={false} {...props}>
+    <Popover disableRestoreFocus={true} keepMounted={false} {...props}>
       <PropertiesList showSearch={true} onItemClick={addSort} searchPlaceholder={t('grid.settings.sortBy')} />
     </Popover>
   );

frontend/appflowy_tauri/src/appflowy_app/components/database/components/sort/SortMenu.tsx

@@ -30,6 +30,7 @@ export const SortMenu: FC<MenuProps> = (props) => {
   return (
     <>
       <Menu
+        disableRestoreFocus={true}
         keepMounted={false}
         MenuListProps={{
           className: 'py-1',

frontend/appflowy_tauri/src/appflowy_app/components/database/components/tab_bar/ViewActions.tsx

@@ -43,7 +43,7 @@ function ViewActions({ view, ...props }: { view: Page } & MenuProps) {
 
   return (
     <>
-      <Menu keepMounted={false} {...props}>
+      <Menu keepMounted={false} disableRestoreFocus={true} {...props}>
         {options.map((option) => (
           <MenuItem key={option.id} onClick={option.action}>
             <div className={'mr-1.5'}>{option.icon}</div>

frontend/appflowy_tauri/src/appflowy_app/components/database/grid/GridField/GridFieldMenu.tsx

@@ -15,6 +15,7 @@ function GridFieldMenu({ field, onOpenPropertyMenu, onOpenMenu, ...props }: Prop
   return (
     <Portal>
       <Popover
+        disableRestoreFocus={true}
         transformOrigin={{
           vertical: 'top',
           horizontal: 'left',

frontend/appflowy_tauri/src/appflowy_app/components/database/grid/GridRowActions/GridRowMenu.tsx

@@ -75,6 +75,7 @@ function GridRowMenu({ rowId, ...props }: Props) {
 
   return (
     <Popover
+      disableRestoreFocus={true}
       keepMounted={false}
       anchorReference={'anchorPosition'}
       transformOrigin={{ vertical: 'top', horizontal: 'left' }}

frontend/appflowy_tauri/src/appflowy_app/components/document/document_header/DocumentHeader.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback } from 'react';
+import React, { memo, useCallback } from 'react';
 import { Page, PageIcon } from '$app_reducers/pages/slice';
 import { useAppDispatch } from '$app/stores/store';
 import ViewTitle from '$app/components/_shared/ViewTitle';
@@ -32,4 +32,4 @@ export function DocumentHeader({ page }: DocumentHeaderProps) {
   );
 }
 
-export default DocumentHeader;
+export default memo(DocumentHeader);

frontend/appflowy_tauri/src/appflowy_app/components/editor/command/index.ts

@@ -1,7 +1,7 @@
 import { ReactEditor } from 'slate-react';
-import { BasePoint, Editor, Element, Node, NodeEntry, Transforms } from 'slate';
+import { Editor, Element, Node, NodeEntry, Point, Range, Transforms, Location } from 'slate';
 import { LIST_TYPES, tabBackward, tabForward } from '$app/components/editor/command/tab';
-import { isMarkActive, toggleMark } from '$app/components/editor/command/mark';
+import { isMarkActive, removeMarks, toggleMark } from '$app/components/editor/command/mark';
 import { insertFormula, isFormulaActive, unwrapFormula, updateFormula } from '$app/components/editor/command/formula';
 import {
   EditorInlineNodeType,
@@ -16,60 +16,69 @@ import { generateId } from '$app/components/editor/provider/utils/convert';
 import { YjsEditor } from '@slate-yjs/core';
 
 export const CustomEditor = {
+  getBlock: (editor: ReactEditor, at?: Location): NodeEntry<Element> | undefined => {
+    return Editor.above(editor, {
+      at,
+      match: (n) => !Editor.isEditor(n) && Element.isElement(n) && n.blockId !== undefined,
+    });
+  },
+
+  /**
+   * turn the current block to a new block
+   * 1. clone the current block to a new block
+   * 2. remove the current block
+   * 3. insert the new block
+   * 4. lift the children of the new block if the new block doesn't allow has children
+   * @param editor
+   * @param newProperties
+   */
   turnToBlock: (editor: ReactEditor, newProperties: Partial<Element>) => {
     const selection = editor.selection;
 
     if (!selection) return;
-    const [match] = Editor.nodes(editor, {
-      match: (n) => !Editor.isEditor(n) && Element.isElement(n) && n.blockId !== undefined && n.type !== undefined,
-    });
+    const match = CustomEditor.getBlock(editor);
 
     if (!match) return;
 
     const [node, path] = match as NodeEntry<Element>;
 
-    const parentId = node.parentId;
-    const cloneNode = {
-      ...cloneDeep(node),
-      blockId: generateId(),
-      textId: generateId(),
-      type: newProperties.type || EditorNodeType.Paragraph,
-      data: newProperties.data || {},
-    };
-    const isListType = LIST_TYPES.includes(cloneNode.type as EditorNodeType);
-    const extendId = isListType ? cloneNode.blockId : parentId;
-    const subordinates = CustomEditor.findNodeSubordinate(editor, node);
-
-    Transforms.insertNodes(editor, cloneNode, { at: [path[0] + 1] });
-
-    subordinates.forEach((subordinate) => {
-      const subordinatePath = ReactEditor.findPath(editor, subordinate);
-      const level = subordinate.level ?? 2;
-
-      const newProperties = {
-        level: isListType ? level : level - 1,
-      };
-
-      if (subordinate.parentId === node.blockId) {
-        Object.assign(newProperties, {
-          parentId: extendId,
-        });
-      }
-
-      Transforms.setNodes(editor, newProperties, {
-        at: [subordinatePath[0] + 1],
-      });
-    });
+    const cloneNode = CustomEditor.cloneBlock(editor, node);
 
     Transforms.removeNodes(editor, {
       at: path,
     });
 
-    Transforms.select(editor, selection);
+    Object.assign(cloneNode, newProperties);
+
+    const [, ...children] = cloneNode.children;
+
+    Transforms.insertNodes(editor, cloneNode, { at: path });
+
+    const isListType = LIST_TYPES.includes(cloneNode.type as EditorNodeType);
+
+    // if node doesn't allow has children, the children should be lifted
+    if (!isListType) {
+      const length = children.length;
+
+      for (let i = 0; i < length; i++) {
+        editor.liftNodes({
+          at: [...path, length - i],
+        });
+      }
+    }
+
+    const isSelectable = editor.isSelectable(cloneNode);
+
+    if (isSelectable) {
+      Transforms.select(editor, selection);
+    } else {
+      Transforms.select(editor, path);
+    }
   },
   tabForward,
   tabBackward,
   toggleMark,
+  removeMarks,
   isMarkActive,
   isFormulaActive,
   updateFormula,
@@ -82,17 +91,17 @@ export const CustomEditor = {
       }
     }
   },
-  isBlockActive(editor: ReactEditor, format?: string) {
-    const [match] = Editor.nodes(editor, {
-      match: (n) => !Editor.isEditor(n) && Element.isElement(n) && n.blockId !== undefined && n.type !== undefined,
-    });
 
-    if (format !== undefined) {
-      return match && (match[0] as Element).type === format;
+  isBlockActive(editor: ReactEditor, format?: string) {
+    const match = CustomEditor.getBlock(editor);
+
+    if (match && format !== undefined) {
+      return match[0].type === format;
     }
 
     return !!match;
   },
+
   insertMention(editor: ReactEditor, mention: Mention) {
     const mentionElement = {
       type: EditorInlineNodeType.Mention,
@@ -106,62 +115,6 @@ export const CustomEditor = {
     Transforms.move(editor);
   },
 
-  splitToParagraph(editor: ReactEditor) {
-    Transforms.splitNodes(editor, { always: true });
-    Transforms.setNodes(editor, { type: EditorNodeType.Paragraph });
-  },
-
-  findParentNode(editor: ReactEditor, node: Element) {
-    const parentId = node.parentId;
-
-    if (!parentId) return null;
-
-    return editor.children.find((child) => (child as Element).blockId === parentId) as Element;
-  },
-
-  findNodeSubordinate(editor: ReactEditor, node: Element) {
-    const index = editor.children.findIndex((child) => (child as Element).blockId === node.blockId);
-
-    const level = node.level ?? 1;
-    const subordinateNodes: (Element & { level: number })[] = [];
-
-    if (index === editor.children.length - 1) return subordinateNodes;
-
-    for (let i = index + 1; i < editor.children.length; i++) {
-      const nextNode = editor.children[i] as Element & { level: number };
-
-      if (nextNode.level > level) {
-        subordinateNodes.push(nextNode);
-      } else {
-        break;
-      }
-    }
-
-    return subordinateNodes;
-  },
-
-  findNextNode(editor: ReactEditor, node: Element, level: number) {
-    const index = editor.children.findIndex((child) => (child as Element).blockId === node.blockId);
-    let nextIndex = -1;
-
-    if (index === editor.children.length - 1) return null;
-
-    for (let i = index + 1; i < editor.children.length; i++) {
-      const nextNode = editor.children[i] as Element & { level: number };
-
-      if (nextNode.level === level) {
-        nextIndex = i;
-        break;
-      }
-
-      if (nextNode.level < level) break;
-    }
-
-    const nextNode = editor.children[nextIndex] as Element & { level: number };
-
-    return nextNode;
-  },
-
   toggleTodo(editor: ReactEditor, node: TodoListNode) {
     const checked = node.data.checked;
     const path = ReactEditor.findPath(editor, node);
@@ -175,38 +128,19 @@ export const CustomEditor = {
   },
 
   toggleToggleList(editor: ReactEditor, node: ToggleListNode) {
-    if (!node.level) return;
-    const collapsed = !node.data.collapsed;
-
+    const collapsed = node.data.collapsed;
     const path = ReactEditor.findPath(editor, node);
     const newProperties = {
       data: {
-        collapsed,
+        collapsed: !collapsed,
       },
     } as Partial<Element>;
 
-    Transforms.select(editor, path);
-    Transforms.collapse(editor, { edge: 'end' });
     Transforms.setNodes(editor, newProperties, { at: path });
-
-    // hide or show the children
-    const index = path[0];
-
-    if (index === editor.children.length - 1) return;
-
-    for (let i = index + 1; i < editor.children.length; i++) {
-      const nextNode = editor.children[i] as Element & { level: number };
-
-      if (nextNode.level === node.level) break;
-      if (nextNode.level > node.level) {
-        const nextPath = ReactEditor.findPath(editor, nextNode);
-        const nextProperties = {
-          isHidden: collapsed,
-        } as Partial<Element>;
-
-        Transforms.setNodes(editor, nextProperties, { at: nextPath });
-      }
-    }
+    editor.select(path);
+    editor.collapse({
+      edge: 'start',
+    });
   },
 
   setCalloutIcon(editor: ReactEditor, node: CalloutNode, newIcon: string) {
@@ -242,60 +176,55 @@ export const CustomEditor = {
     Transforms.setNodes(editor, newProperties, { at: path });
   },
 
-  findNodeChildren(editor: ReactEditor, node: Node) {
-    const nodeId = (node as Element).blockId;
-
-    return editor.children.filter((child) => (child as Element).parentId === nodeId) as Element[];
-  },
-
-  duplicateNode(editor: ReactEditor, node: Node) {
-    const children = CustomEditor.findNodeChildren(editor, node);
-    const newBlockId = generateId();
-    const newTextId = generateId();
-    const cloneNode = {
-      ...cloneDeep(node),
-      blockId: newBlockId,
-      textId: newTextId,
+  cloneBlock(editor: ReactEditor, block: Element): Element {
+    const cloneNode: Element = {
+      ...cloneDeep(block),
+      blockId: generateId(),
+      children: [],
     };
+    const [firstTextNode, ...children] = block.children as Element[];
+    const isSelectable = editor.isSelectable(cloneNode);
+
+    const textNode =
+      firstTextNode && firstTextNode.type === EditorNodeType.Text && isSelectable
+        ? {
+            textId: generateId(),
+            type: EditorNodeType.Text,
+            children: cloneDeep(firstTextNode.children),
+          }
+        : undefined;
+
+    if (textNode) {
+      cloneNode.children.push(textNode);
+    }
 
     const cloneChildren = children.map((child) => {
-      const childBlockId = generateId();
-      const childTextId = generateId();
-
-      return {
-        ...cloneDeep(child),
-        blockId: childBlockId,
-        textId: childTextId,
-        parentId: newBlockId,
-      };
+      return CustomEditor.cloneBlock(editor, child);
     });
 
-    const path = ReactEditor.findPath(editor, node);
-    const endPath = children.length ? ReactEditor.findPath(editor, children[children.length - 1]) : null;
+    cloneNode.children.push(...cloneChildren);
 
-    Transforms.insertNodes(editor, [cloneNode, ...cloneChildren], { at: [endPath ? endPath[0] + 1 : path[0] + 1] });
-    Transforms.move(editor);
+    return cloneNode;
+  },
+
+  duplicateNode(editor: ReactEditor, node: Element) {
+    const cloneNode = CustomEditor.cloneBlock(editor, node);
+
+    const path = ReactEditor.findPath(editor, node);
+
+    Transforms.insertNodes(editor, cloneNode, { at: path });
   },
 
   deleteNode(editor: ReactEditor, node: Node) {
-    const children = CustomEditor.findNodeChildren(editor, node);
     const path = ReactEditor.findPath(editor, node);
-    const endPath = children.length ? ReactEditor.findPath(editor, children[children.length - 1]) : null;
 
     Transforms.removeNodes(editor, {
-      at: {
-        anchor: { path, offset: 0 },
-        focus: { path: endPath ?? path, offset: 0 },
-      },
+      at: path,
     });
-
-    Transforms.move(editor);
   },
 
   getBlockType: (editor: ReactEditor) => {
-    const [match] = Editor.nodes(editor, {
-      match: (n) => !Editor.isEditor(n) && Element.isElement(n) && n.blockId !== undefined && n.type !== undefined,
-    });
+    const match = CustomEditor.getBlock(editor);
 
     if (!match) return null;
 
@@ -304,10 +233,6 @@ export const CustomEditor = {
     return node.type as EditorNodeType;
   },
 
-  isGridBlock: (editor: ReactEditor) => {
-    return CustomEditor.getBlockType(editor) === EditorNodeType.GridBlock;
-  },
-
   selectionIncludeRoot: (editor: ReactEditor) => {
     const [match] = Editor.nodes(editor, {
       match: (n) => Element.isElement(n) && n.blockId !== undefined && n.type === EditorNodeType.Page,
@@ -324,12 +249,19 @@ export const CustomEditor = {
     editor.insertNode(
       {
         type: EditorNodeType.Paragraph,
-        level: 1,
         data: {},
         blockId: generateId(),
-        textId: generateId(),
-        parentId: editor.sharedRoot.getAttribute('blockId'),
-        children: [{ text: '' }],
+        children: [
+          {
+            type: EditorNodeType.Text,
+            textId: generateId(),
+            children: [
+              {
+                text: '',
+              },
+            ],
+          },
+        ],
       },
       {
         select: true,
@@ -340,40 +272,68 @@ export const CustomEditor = {
     Transforms.move(editor);
   },
 
-  basePointToIndexLength(editor: ReactEditor, point: BasePoint, toStart = false) {
-    const { path, offset } = point;
+  focusAtStartOfBlock(editor: ReactEditor) {
+    const { selection } = editor;
 
-    const node = editor.children[path[0]] as Element;
-    const blockId = node.blockId;
+    if (selection && Range.isCollapsed(selection)) {
+      const match = CustomEditor.getBlock(editor);
+      const [, path] = match as NodeEntry<Element>;
+      const start = Editor.start(editor, path);
 
-    if (!blockId) return;
-    const beforeText = Editor.string(editor, {
-      anchor: {
-        path: [path[0], 0],
-        offset: 0,
-      },
-      focus: {
-        path,
-        offset,
-      },
-    });
+      return match && Point.equals(selection.anchor, start);
+    }
 
-    const index = beforeText.length;
-    const fullText = Editor.string(editor, [path[0]]);
-    const length = fullText.length - index;
+    return false;
+  },
 
-    if (toStart) {
-      return {
-        index: 0,
-        length: index,
-        blockId,
-      };
-    } else {
-      return {
-        index,
-        length,
-        blockId,
-      };
+  setBlockColor(
+    editor: ReactEditor,
+    node: Element,
+    data: {
+      font_color?: string;
+      bg_color?: string;
+    }
+  ) {
+    const path = ReactEditor.findPath(editor, node);
+    const newProperties = {
+      data,
+    } as Partial<Element>;
+
+    Transforms.setNodes(editor, newProperties, { at: path });
+  },
+
+  deleteAllText(editor: ReactEditor, node: Element) {
+    const [textNode] = (node.children || []) as Element[];
+    const hasTextNode = textNode && textNode.type === EditorNodeType.Text;
+
+    if (!hasTextNode) return;
+    const path = ReactEditor.findPath(editor, textNode);
+    const textLength = editor.string(path).length;
+    const start = Editor.start(editor, path);
+
+    for (let i = 0; i < textLength; i++) {
+      editor.select(start);
+      editor.deleteForward('character');
     }
   },
+
+  getNodeText: (editor: ReactEditor, node: Element) => {
+    const [textNode] = (node.children || []) as Element[];
+    const hasTextNode = textNode && textNode.type === EditorNodeType.Text;
+
+    if (!hasTextNode) return '';
+
+    const path = ReactEditor.findPath(editor, textNode);
+
+    return editor.string(path);
+  },
+
+  isEmptyText: (editor: ReactEditor, node: Element) => {
+    const [textNode] = (node.children || []) as Element[];
+    const hasTextNode = textNode && textNode.type === EditorNodeType.Text;
+
+    if (!hasTextNode) return false;
+
+    return editor.isEmpty(textNode);
+  },
 };

frontend/appflowy_tauri/src/appflowy_app/components/editor/command/mark.ts

@@ -24,3 +24,13 @@ export function isMarkActive(editor: ReactEditor, format: string) {
 
   return marks ? !!marks[format] : false;
 }
+
+export function removeMarks(editor: ReactEditor) {
+  const marks = Editor.marks(editor);
+
+  if (!marks) return;
+
+  for (const key in marks) {
+    Editor.removeMark(editor, key);
+  }
+}

frontend/appflowy_tauri/src/appflowy_app/components/editor/command/tab.ts

@@ -1,4 +1,4 @@
-import { Editor, Element, NodeEntry, Transforms } from 'slate';
+import { Path, Element, NodeEntry } from 'slate';
 import { ReactEditor } from 'slate-react';
 import { EditorNodeType } from '$app/application/document/document.types';
 import { CustomEditor } from '$app/components/editor/command/index';
@@ -35,34 +35,21 @@ const LIST_ITEM_TYPES = [
  * @param editor
  */
 export function tabForward(editor: ReactEditor) {
-  const [match] = Editor.nodes(editor, {
-    match: (n) => !Editor.isEditor(n) && Element.isElement(n) && Editor.isBlock(editor, n),
-  });
+  const match = CustomEditor.getBlock(editor);
 
   if (!match) return;
 
   const [node, path] = match as NodeEntry<Element>;
 
-  if (!node.level) return;
   // the node is not a list item
   if (!LIST_ITEM_TYPES.includes(node.type as EditorNodeType)) {
     return;
   }
 
-  let previousNode;
+  const previousPath = Path.previous(path);
 
-  for (let i = path[0] - 1; i >= 0; i--) {
-    const ancestor = editor.children[i] as Element & { level: number };
-
-    if (ancestor.level === node.level) {
-      previousNode = ancestor;
-      break;
-    }
-
-    if (ancestor.level < node.level) {
-      break;
-    }
-  }
+  const previous = editor.node(previousPath);
+  const [previousNode] = previous as NodeEntry<Element>;
 
   if (!previousNode) return;
 
@@ -71,93 +58,38 @@ export function tabForward(editor: ReactEditor) {
   // the previous node is not a list
   if (!LIST_TYPES.includes(type)) return;
 
-  const previousNodeLevel = previousNode.level;
+  const toPath = [...previousPath, previousNode.children.length];
 
-  if (!previousNodeLevel) return;
-
-  const newParentId = previousNode.blockId;
-  const children = CustomEditor.findNodeChildren(editor, node);
-
-  children.forEach((child) => {
-    const childPath = ReactEditor.findPath(editor, child);
-
-    Transforms.setNodes(
-      editor,
-      {
-        parentId: newParentId,
-      },
-      {
-        at: childPath,
-      }
-    );
+  editor.moveNodes({
+    at: path,
+    to: toPath,
   });
 
-  const newProperties = { level: previousNodeLevel + 1, parentId: newParentId };
+  node.children.forEach((child, index) => {
+    if (index === 0) return;
 
-  Transforms.setNodes(editor, newProperties);
+    editor.liftNodes({
+      at: [...toPath, index],
+    });
+  });
 }
 
-/**
- * Outdent the current list item
- * Conditions:
- * 1. The current node must be a list item
- * 2. The current node must be indented
- * Result:
- * 1. The current node will be the sibling of the parent node
- * 2. The current node will be outdented
- * 3. The children of the parent node will be moved to the children of the current node
- * @param editor
- */
 export function tabBackward(editor: ReactEditor) {
-  const [match] = Editor.nodes(editor, {
-    match: (n) => !Editor.isEditor(n) && Element.isElement(n) && Editor.isBlock(editor, n),
-  });
+  const match = CustomEditor.getBlock(editor);
 
   if (!match) return;
 
-  const [node] = match as NodeEntry<Element & { level: number }>;
+  const [node, path] = match as NodeEntry<Element & { level: number }>;
 
-  const level = node.level;
-
-  if (level <= 1) return;
-  const parent = CustomEditor.findParentNode(editor, node);
-
-  if (!parent) return;
-
-  const newParentId = parent.parentId;
-
-  if (!newParentId) return;
-
-  const newProperties = { level: level - 1, parentId: newParentId };
-
-  const subordinates = CustomEditor.findNodeSubordinate(editor, node);
-
-  subordinates.forEach((subordinate) => {
-    const subordinatePath = ReactEditor.findPath(editor, subordinate);
-
-    const subordinateLevel = subordinate.level;
-
-    Transforms.setNodes(
-      editor,
-      {
-        level: subordinateLevel - 1,
-      },
-      {
-        at: subordinatePath,
-      }
-    );
-  });
-
-  const parentChildren = CustomEditor.findNodeChildren(editor, parent);
-
-  const nodeIndex = parentChildren.findIndex((child) => child.blockId === node.blockId);
-
-  Transforms.setNodes(editor, newProperties);
-
-  for (let i = nodeIndex + 1; i < parentChildren.length; i++) {
-    const child = parentChildren[i];
-    const childPath = ReactEditor.findPath(editor, child);
-
-    Transforms.setNodes(editor, { parentId: node.blockId }, { at: childPath });
+  if (node.type === EditorNodeType.Page) return;
+  if (node.type !== EditorNodeType.Paragraph) {
+    CustomEditor.turnToBlock(editor, {
+      type: EditorNodeType.Paragraph,
+    });
+    return;
   }
+
+  editor.liftNodes({
+    at: path,
+  });
 }

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/_shared/Placeholder.tsx

@@ -1,17 +1,13 @@
-import React, { CSSProperties } from 'react';
-import { Editor, Element } from 'slate';
-import { useSlateStatic } from 'slate-react';
+import React from 'react';
+import { Element } from 'slate';
 import PlaceholderContent from '$app/components/editor/components/blocks/_shared/PlaceholderContent';
 
-function Placeholder({ node, ...props }: { node: Element; className?: string; style?: CSSProperties }) {
-  const editor = useSlateStatic();
-  const isEmpty = Editor.isEmpty(editor, node);
-
+function Placeholder({ node, isEmpty }: { node: Element; isEmpty: boolean }) {
   if (!isEmpty) {
     return null;
   }
 
-  return <PlaceholderContent node={node} {...props} />;
+  return <PlaceholderContent node={node} />;
 }
 
 export default React.memo(Placeholder);

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/_shared/PlaceholderContent.tsx

@@ -1,28 +1,35 @@
 import React, { CSSProperties, useMemo } from 'react';
-import { useSelected, useSlateStatic } from 'slate-react';
-import { Element } from 'slate';
+import { ReactEditor, useSelected, useSlateStatic } from 'slate-react';
+import { Editor, Element } from 'slate';
 import { EditorNodeType, HeadingNode } from '$app/application/document/document.types';
 import { useTranslation } from 'react-i18next';
 
 function PlaceholderContent({ node, ...attributes }: { node: Element; className?: string; style?: CSSProperties }) {
   const { t } = useTranslation();
-  const selected = useSelected();
   const editor = useSlateStatic();
+  const selected = useSelected();
+  const block = useMemo(() => {
+    const path = ReactEditor.findPath(editor, node);
+    const match = Editor.above(editor, {
+      match: (n) => !Editor.isEditor(n) && Element.isElement(n) && n.blockId !== undefined,
+      at: path,
+    });
 
-  const justOneParagraph = useMemo(() => {
-    const root = editor.children[0] as Element;
+    if (!match) return null;
 
-    if (node.type !== EditorNodeType.Paragraph) return false;
+    return match[0] as Element;
+  }, [editor, node]);
 
-    if (editor.children.length === 1) return true;
-
-    return root.type === EditorNodeType.Page && editor.children.length === 2;
-  }, [editor, node.type]);
+  const className = useMemo(() => {
+    return `pointer-events-none absolute left-0.5 top-0 whitespace-nowrap text-text-placeholder ${
+      attributes.className ?? ''
+    }`;
+  }, [attributes.className]);
 
   const unSelectedPlaceholder = useMemo(() => {
-    switch (node.type) {
+    switch (block?.type) {
       case EditorNodeType.Paragraph: {
-        if (justOneParagraph) {
+        if (editor.children.length === 1) {
           return t('editor.slashPlaceHolder');
         }
 
@@ -40,7 +47,7 @@ function PlaceholderContent({ node, ...attributes }: { node: Element; className?
       case EditorNodeType.BulletedListBlock:
         return t('document.plugins.bulletedList');
       case EditorNodeType.HeadingBlock: {
-        const level = (node as HeadingNode).data.level;
+        const level = (block as HeadingNode).data.level;
 
         switch (level) {
           case 1:
@@ -56,27 +63,29 @@ function PlaceholderContent({ node, ...attributes }: { node: Element; className?
 
       case EditorNodeType.Page:
         return t('document.title.placeholder');
+      case EditorNodeType.CalloutBlock:
+      case EditorNodeType.CodeBlock:
+        return t('editor.typeSomething');
       default:
         return '';
     }
-  }, [justOneParagraph, node, t]);
+  }, [block, t, editor.children.length]);
 
   const selectedPlaceholder = useMemo(() => {
-    switch (node.type) {
+    switch (block?.type) {
       case EditorNodeType.HeadingBlock:
         return unSelectedPlaceholder;
       case EditorNodeType.Page:
         return t('document.title.placeholder');
+      case EditorNodeType.GridBlock:
+      case EditorNodeType.EquationBlock:
+      case EditorNodeType.CodeBlock:
+        return '';
+
       default:
         return t('editor.slashPlaceHolder');
     }
-  }, [node.type, t, unSelectedPlaceholder]);
-
-  const className = useMemo(() => {
-    return `pointer-events-none absolute left-0.5 top-0 whitespace-nowrap text-text-placeholder ${
-      attributes.className ?? ''
-    }`;
-  }, [attributes.className]);
+  }, [block?.type, t, unSelectedPlaceholder]);
 
   return (
     <span contentEditable={false} {...attributes} className={className}>

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/bulleted_list/BulletedList.tsx

@@ -1,19 +1,19 @@
 import React, { forwardRef, memo } from 'react';
 import { EditorElementProps, BulletedListNode } from '$app/application/document/document.types';
-import Placeholder from '$app/components/editor/components/blocks/_shared/Placeholder';
 
 export const BulletedList = memo(
-  forwardRef<HTMLDivElement, EditorElementProps<BulletedListNode>>(({ node, children, ...attributes }, ref) => {
-    return (
-      <div {...attributes} className={`${attributes.className ?? ''} relative`} ref={ref}>
-        <span contentEditable={false} className={'pr-2 font-medium'}>
-          •
-        </span>
-        <span className={'relative'}>
-          <Placeholder node={node} />
-          {children}
-        </span>
-      </div>
-    );
-  })
+  forwardRef<HTMLDivElement, EditorElementProps<BulletedListNode>>(
+    ({ node: _, children, className, ...attributes }, ref) => {
+      return (
+        <>
+          <span contentEditable={false} className={'absolute flex w-6 select-none justify-center font-medium'}>
+            •
+          </span>
+          <div ref={ref} {...attributes} className={`${className} ml-6`}>
+            {children}
+          </div>
+        </>
+      );
+    }
+  )
 );

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/callout/Callout.tsx

@@ -5,16 +5,20 @@ import CalloutIcon from '$app/components/editor/components/blocks/callout/Callou
 export const Callout = memo(
   forwardRef<HTMLDivElement, EditorElementProps<CalloutNode>>(({ node, children, ...attributes }, ref) => {
     return (
-      <div
-        {...attributes}
-        className={`${
-          attributes.className ?? ''
-        } relative my-2 flex w-full items-start gap-3 rounded border border-solid border-line-divider bg-content-blue-50 p-2`}
-        ref={ref}
-      >
-        <CalloutIcon node={node} />
-        <div className={'flex-1 py-1.5'}>{children}</div>
-      </div>
+      <>
+        <div contentEditable={false} className={'absolute w-full select-none px-2 pt-3'}>
+          <CalloutIcon node={node} />
+        </div>
+        <div
+          {...attributes}
+          ref={ref}
+          className={`${
+            attributes.className ?? ''
+          } my-2 flex w-full flex-col rounded border border-solid border-line-divider bg-content-blue-50 py-2 pl-10`}
+        >
+          {children}
+        </div>
+      </>
     );
   })
 );

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/code/Code.tsx

@@ -9,21 +9,22 @@ export const Code = memo(
     const { language, handleChangeLanguage } = useCodeBlock(node);
 
     return (
-      <div
-        {...attributes}
-        ref={ref}
-        className={`${
-          attributes.className ?? ''
-        } my-2 w-full rounded border border-solid border-line-divider bg-content-blue-50 p-6`}
-      >
-        <div contentEditable={false} className={'mb-2 w-full'}>
+      <>
+        <div contentEditable={false} className={'absolute w-full select-none px-7 py-6'}>
           <LanguageSelect language={language} onChangeLanguage={handleChangeLanguage} />
         </div>
-
-        <pre className='code-block-element'>
-          <code>{children}</code>
-        </pre>
-      </div>
+        <div
+          {...attributes}
+          ref={ref}
+          className={`${
+            attributes.className ?? ''
+          } my-2 flex w-full rounded border border-solid border-line-divider bg-content-blue-50 p-6 pt-14`}
+        >
+          <pre>
+            <code>{children}</code>
+          </pre>
+        </div>
+      </>
     );
   })
 );

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/database/GridBlock.tsx

@@ -1,22 +1,33 @@
-import React, { forwardRef, memo } from 'react';
+import React, { forwardRef, memo, useCallback, useContext } from 'react';
 import { EditorElementProps, GridNode } from '$app/application/document/document.types';
 
 import GridView from '$app/components/editor/components/blocks/database/GridView';
 import DatabaseEmpty from '$app/components/editor/components/blocks/database/DatabaseEmpty';
+import { EditorSelectedBlockContext } from '$app/components/editor/components/editor/Editor.hooks';
 
 export const GridBlock = memo(
-  forwardRef<HTMLDivElement, EditorElementProps<GridNode>>(({ node, children }, ref) => {
+  forwardRef<HTMLDivElement, EditorElementProps<GridNode>>(({ node, children, className = '', ...attributes }, ref) => {
     const viewId = node.data.viewId;
 
-    return (
-      <div
-        contentEditable={false}
-        className='relative flex h-[400px] overflow-hidden border-b border-t border-line-divider caret-text-title'
-        ref={ref}
-      >
-        {viewId ? <GridView viewId={viewId} /> : <DatabaseEmpty node={node} />}
+    const blockId = node.blockId;
+    const selectedBlockContext = useContext(EditorSelectedBlockContext);
+    const onClick = useCallback(() => {
+      if (!blockId) return;
+      selectedBlockContext.clear();
+      selectedBlockContext.add(blockId);
+    }, [blockId, selectedBlockContext]);
 
-        <div className={'invisible absolute'}>{children}</div>
+    return (
+      <div {...attributes} onClick={onClick} className={`${className} relative my-2`}>
+        <div ref={ref} className={'absolute left-0 top-0 h-full w-full caret-transparent'}>
+          {children}
+        </div>
+        <div
+          contentEditable={false}
+          className='flex h-[400px] overflow-hidden border-b border-t border-line-divider bg-bg-body py-3 caret-text-title'
+        >
+          {viewId ? <GridView viewId={viewId} /> : <DatabaseEmpty node={node} />}
+        </div>
       </div>
     );
   })

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/database/index.ts

@@ -1,2 +1 @@
 export * from './GridBlock';
-export * from './withDatabaseBlockPlugin';

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/database/withDatabaseBlockPlugin.ts

@@ -1,20 +0,0 @@
-import { ReactEditor } from 'slate-react';
-import { EditorNodeType } from '$app/application/document/document.types';
-
-export function withDatabaseBlockPlugin(editor: ReactEditor) {
-  const { isElementReadOnly, isSelectable, isEmpty } = editor;
-
-  editor.isElementReadOnly = (element) => {
-    return element.type === EditorNodeType.GridBlock || isElementReadOnly(element);
-  };
-
-  editor.isSelectable = (element) => {
-    return element.type !== EditorNodeType.GridBlock || isSelectable(element);
-  };
-
-  editor.isEmpty = (element) => {
-    return element.type !== EditorNodeType.GridBlock && isEmpty(element);
-  };
-
-  return editor;
-}

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/divider/DividerNode.tsx

@@ -3,18 +3,15 @@ import { EditorElementProps, DividerNode as DividerNodeType } from '$app/applica
 
 export const DividerNode = memo(
   forwardRef<HTMLDivElement, EditorElementProps<DividerNodeType>>(
-    ({ node: _node, children: children, ...attributes }, ref) => {
+    ({ node: _node, children: children, className, ...attributes }, ref) => {
       return (
-        <div
-          {...attributes}
-          ref={ref}
-          contentEditable={false}
-          className={`${attributes.className ?? ''} relative w-full`}
-        >
-          <div className={'w-full py-2.5 text-line-divider'}>
+        <div {...attributes} className={`${className} relative`}>
+          <div contentEditable={false} className={'w-full py-2.5 text-line-divider'}>
             <hr />
           </div>
-          <span className={'absolute left-0 top-0 h-0 w-0 opacity-0'}>{children}</span>
+          <div ref={ref} className={`absolute h-full w-full caret-transparent`}>
+            {children}
+          </div>
         </div>
       );
     }

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/heading/Heading.tsx

@@ -1,6 +1,5 @@
 import React, { forwardRef, memo } from 'react';
 import { EditorElementProps, HeadingNode } from '$app/application/document/document.types';
-import Placeholder from '$app/components/editor/components/blocks/_shared/Placeholder';
 import { getHeadingCssProperty } from '$app/components/editor/plugins/utils';
 
 export const Heading = memo(
@@ -8,13 +7,10 @@ export const Heading = memo(
     const level = node.data.level;
     const fontSizeCssProperty = getHeadingCssProperty(level);
 
+    const className = `${attributes.className ?? ''} font-bold ${fontSizeCssProperty}`;
+
     return (
-      <div
-        {...attributes}
-        ref={ref}
-        className={`${attributes.className ?? ''} leading-1 relative font-bold ${fontSizeCssProperty}`}
-      >
-        <Placeholder node={node} className={fontSizeCssProperty} />
+      <div {...attributes} ref={ref} className={className}>
         {children}
       </div>
     );

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/math_equation/EditPopover.tsx

@@ -1,4 +1,4 @@
-import React, { useState } from 'react';
+import React, { useCallback, useState } from 'react';
 import Popover from '@mui/material/Popover';
 import { PopoverCommonProps } from '$app/components/editor/components/tools/popover';
 import { TextareaAutosize } from '@mui/material';
@@ -7,7 +7,7 @@ import { useTranslation } from 'react-i18next';
 import { CustomEditor } from '$app/components/editor/command';
 import { Element } from 'slate';
 import { KeyboardReturnOutlined } from '@mui/icons-material';
-import { useSlateStatic } from 'slate-react';
+import { ReactEditor, useSlateStatic } from 'slate-react';
 
 function EditPopover({
   open,
@@ -28,10 +28,19 @@ function EditPopover({
     setValue(event.currentTarget.value);
   };
 
+  const handleClose = useCallback(() => {
+    onClose();
+    if (!node) return;
+    ReactEditor.focus(editor);
+    const path = ReactEditor.findPath(editor, node);
+
+    editor.select(path);
+  }, [onClose, editor, node]);
+
   const handleDone = () => {
     if (!node) return;
     CustomEditor.setMathEquationBlockFormula(editor, node, value);
-    onClose();
+    handleClose();
   };
 
   const handleEnter = (e: React.KeyboardEvent<HTMLTextAreaElement>) => {
@@ -58,7 +67,7 @@ function EditPopover({
         vertical: 'bottom',
         horizontal: 'center',
       }}
-      onClose={onClose}
+      onClose={handleClose}
     >
       <div className={'flex flex-col gap-3 p-4'}>
         <TextareaAutosize

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/math_equation/MathEquation.tsx

@@ -16,25 +16,28 @@ export const MathEquation = memo(
       return (
         <>
           <div
-            contentEditable={false}
-            ref={ref}
             {...attributes}
             onClick={(e) => {
               setAnchorEl(e.currentTarget);
             }}
-            className={`${
-              className ?? ''
-            } relative cursor-pointer rounded border border-line-divider bg-content-blue-50 px-3 `}
+            className={`${className} relative my-2 cursor-pointer`}
           >
-            {formula ? (
-              <KatexMath latex={formula} />
-            ) : (
-              <div className={'relative flex h-[48px] w-full items-center gap-[10px] text-text-caption'}>
-                <FunctionsOutlined />
-                {t('document.plugins.mathEquation.addMathEquation')}
-              </div>
-            )}
-            <div className={'invisible absolute'}>{children}</div>
+            <div
+              contentEditable={false}
+              className={`w-full select-none rounded border border-line-divider bg-content-blue-50 px-3`}
+            >
+              {formula ? (
+                <KatexMath latex={formula} />
+              ) : (
+                <div className={'flex h-[48px] w-full items-center gap-[10px] text-text-caption'}>
+                  <FunctionsOutlined />
+                  {t('document.plugins.mathEquation.addMathEquation')}
+                </div>
+              )}
+            </div>
+            <div ref={ref} className={'absolute left-0 top-0 h-full w-full caret-transparent'}>
+              {children}
+            </div>
           </div>
           {open && (
             <EditPopover

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/math_equation/index.ts

@@ -1,2 +1 @@
-export * from './withMathEquationPlugin';
 export * from './MathEquation';

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/math_equation/withMathEquationPlugin.ts

@@ -1,20 +0,0 @@
-import { ReactEditor } from 'slate-react';
-import { EditorNodeType } from '$app/application/document/document.types';
-
-export function withMathEquationPlugin(editor: ReactEditor) {
-  const { isElementReadOnly, isSelectable, isEmpty } = editor;
-
-  editor.isElementReadOnly = (element) => {
-    return element.type === EditorNodeType.EquationBlock || isElementReadOnly(element);
-  };
-
-  editor.isSelectable = (element) => {
-    return element.type !== EditorNodeType.EquationBlock || isSelectable(element);
-  };
-
-  editor.isEmpty = (element) => {
-    return element.type !== EditorNodeType.EquationBlock && isEmpty(element);
-  };
-
-  return editor;
-}

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/numbered_list/NumberedList.tsx

@@ -1,51 +1,47 @@
 import React, { forwardRef, memo, useMemo } from 'react';
 import { EditorElementProps, NumberedListNode } from '$app/application/document/document.types';
 
-import { ReactEditor, useSlateStatic } from 'slate-react';
-import { Editor, Element } from 'slate';
-import Placeholder from '$app/components/editor/components/blocks/_shared/Placeholder';
+import { ReactEditor, useSlate } from 'slate-react';
+import { Element, Path } from 'slate';
 
 export const NumberedList = memo(
-  forwardRef<HTMLDivElement, EditorElementProps<NumberedListNode>>(({ node, children, ...attributes }, ref) => {
-    const editor = useSlateStatic();
+  forwardRef<HTMLDivElement, EditorElementProps<NumberedListNode>>(
+    ({ node, children, className, ...attributes }, ref) => {
+      const editor = useSlate();
 
-    const index = useMemo(() => {
-      let index = 1;
       const path = ReactEditor.findPath(editor, node);
+      const index = useMemo(() => {
+        let index = 1;
 
-      let prevEntry = Editor.previous(editor, {
-        at: path,
-      });
+        let prevPath = Path.previous(path);
 
-      while (prevEntry) {
-        const prevNode = prevEntry[0];
+        while (prevPath) {
+          const prev = editor.node(prevPath);
 
-        if (Element.isElement(prevNode) && !Editor.isEditor(prevNode)) {
-          if (prevNode.type === node.type && prevNode.level === node.level) {
+          const prevNode = prev[0] as Element;
+
+          if (prevNode.type === node.type) {
             index += 1;
           } else {
             break;
           }
+
+          prevPath = Path.previous(prevPath);
         }
 
-        prevEntry = Editor.previous(editor, {
-          at: prevEntry[1],
-        });
-      }
+        return index;
+      }, [editor, node, path]);
 
-      return index;
-    }, [editor, node]);
-
-    return (
-      <div {...attributes} className={`${attributes.className ?? ''} relative`} ref={ref}>
-        <span contentEditable={false} className={'pr-2 font-medium'}>
-          {index}.
-        </span>
-        <span className={'relative'}>
-          <Placeholder node={node} />
-          {children}
-        </span>
-      </div>
-    );
-  })
+      return (
+        <>
+          <span contentEditable={false} className={'absolute flex w-6 select-none justify-center font-medium'}>
+            {index}.
+          </span>
+          <div ref={ref} {...attributes} className={`${className} ml-6`}>
+            {children}
+          </div>
+        </>
+      );
+    }
+  )
 );

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/page/Page.tsx

@@ -1,19 +1,15 @@
 import React, { forwardRef, memo, useMemo } from 'react';
 import { EditorElementProps, PageNode } from '$app/application/document/document.types';
-import Placeholder from '$app/components/editor/components/blocks/_shared/Placeholder';
 
 export const Page = memo(
-  forwardRef<HTMLDivElement, EditorElementProps<PageNode>>(({ node, children, ...attributes }, ref) => {
+  forwardRef<HTMLDivElement, EditorElementProps<PageNode>>(({ node: _, children, ...attributes }, ref) => {
     const className = useMemo(() => {
-      return `${attributes.className ?? ''} mb-2 text-4xl font-bold`;
+      return `${attributes.className ?? ''} text-4xl font-bold`;
     }, [attributes.className]);
 
     return (
       <div ref={ref} {...attributes} className={className}>
-        <span className={'relative'}>
-          <Placeholder className={'top-1.5'} node={node} />
-          {children}
-        </span>
+        {children}
       </div>
     );
   })

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/paragraph/Paragraph.tsx

@@ -1,16 +1,12 @@
 import React, { forwardRef, memo } from 'react';
-import Placeholder from '$app/components/editor/components/blocks/_shared/Placeholder';
 import { EditorElementProps, ParagraphNode } from '$app/application/document/document.types';
 
 export const Paragraph = memo(
-  forwardRef<HTMLDivElement, EditorElementProps<ParagraphNode>>(({ node, children, ...attributes }, ref) => {
+  forwardRef<HTMLDivElement, EditorElementProps<ParagraphNode>>(({ node: _, children, ...attributes }, ref) => {
     {
       return (
         <div ref={ref} {...attributes} className={`${attributes.className ?? ''}`}>
-          <span className={'relative'}>
-            <Placeholder node={node} />
-            {children}
-          </span>
+          {children}
         </div>
       );
     }

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/quote/Quote.tsx

@@ -1,19 +1,15 @@
 import React, { forwardRef, memo, useMemo } from 'react';
 import { EditorElementProps, QuoteNode } from '$app/application/document/document.types';
-import Placeholder from '$app/components/editor/components/blocks/_shared/Placeholder';
 
 export const QuoteList = memo(
-  forwardRef<HTMLDivElement, EditorElementProps<QuoteNode>>(({ node, children, ...attributes }, ref) => {
+  forwardRef<HTMLDivElement, EditorElementProps<QuoteNode>>(({ node: _, children, ...attributes }, ref) => {
     const className = useMemo(() => {
-      return `${attributes.className ?? ''} relative border-l-4 border-fill-default`;
+      return `flex w-full flex-col ml-2.5 border-l-[4px] border-fill-default pl-2.5 ${attributes.className ?? ''}`;
     }, [attributes.className]);
 
     return (
       <div {...attributes} ref={ref} className={className}>
-        <span className={'relative left-2'}>
-          <Placeholder node={node} />
-          {children}
-        </span>
+        {children}
       </div>
     );
   })

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/text/Text.tsx

@@ -0,0 +1,20 @@
+import React, { forwardRef, memo } from 'react';
+import Placeholder from '$app/components/editor/components/blocks/_shared/Placeholder';
+import { EditorElementProps, TextNode } from '$app/application/document/document.types';
+import { useSlateStatic } from 'slate-react';
+
+export const Text = memo(
+  forwardRef<HTMLDivElement, EditorElementProps<TextNode>>(({ node, children, ...attributes }, ref) => {
+    const editor = useSlateStatic();
+    const isEmpty = editor.isEmpty(node);
+
+    return (
+      <div ref={ref} {...attributes} className={`text-element mx-1 ${!isEmpty ? 'flex' : ''} relative h-full`}>
+        <Placeholder isEmpty={isEmpty} node={node} />
+        <span>{children}</span>
+      </div>
+    );
+  })
+);
+
+export default Text;

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/text/index.ts

@@ -0,0 +1 @@
+export * from './Text';

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/todo_list/TodoList.tsx

@@ -3,7 +3,6 @@ import { EditorElementProps, TodoListNode } from '$app/application/document/docu
 import { ReactComponent as CheckboxCheckSvg } from '$app/assets/database/checkbox-check.svg';
 import { ReactComponent as CheckboxUncheckSvg } from '$app/assets/database/checkbox-uncheck.svg';
 import { useSlateStatic } from 'slate-react';
-import Placeholder from '$app/components/editor/components/blocks/_shared/Placeholder';
 import { CustomEditor } from '$app/components/editor/command';
 
 export const TodoList = memo(
@@ -11,28 +10,26 @@ export const TodoList = memo(
     const { checked } = node.data;
     const editor = useSlateStatic();
     const className = useMemo(() => {
-      return `relative ${attributes.className ?? ''}`;
-    }, [attributes.className]);
+      return `flex w-full flex-col pl-6 ${checked ? 'checked' : ''} ${attributes.className ?? ''}`;
+    }, [attributes.className, checked]);
     const toggleTodo = useCallback(() => {
       CustomEditor.toggleTodo(editor, node);
     }, [editor, node]);
 
     return (
-      <div {...attributes} ref={ref} className={className}>
+      <>
         <span
           data-playwright-selected={false}
           contentEditable={false}
           onClick={toggleTodo}
-          className='absolute left-0 top-0 inline-flex cursor-pointer text-xl text-fill-default'
+          className='absolute cursor-pointer select-none text-xl text-fill-default'
         >
           {checked ? <CheckboxCheckSvg /> : <CheckboxUncheckSvg />}
         </span>
-
-        <span className={`relative ml-6 ${checked ? 'text-text-caption line-through' : ''}`}>
-          <Placeholder node={node} />
+        <div {...attributes} ref={ref} className={className}>
           {children}
-        </span>
-      </div>
+        </div>
+      </>
     );
   })
 );

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/blocks/toggle_list/ToggleList.tsx

@@ -2,7 +2,6 @@ import React, { forwardRef, memo, useCallback, useMemo } from 'react';
 import { EditorElementProps, ToggleListNode } from '$app/application/document/document.types';
 import { ReactEditor, useSlateStatic } from 'slate-react';
 import { ReactComponent as RightSvg } from '$app/assets/more.svg';
-import Placeholder from '$app/components/editor/components/blocks/_shared/Placeholder';
 import { CustomEditor } from '$app/components/editor/command';
 
 export const ToggleList = memo(
@@ -10,27 +9,26 @@ export const ToggleList = memo(
     const { collapsed } = node.data;
     const editor = useSlateStatic() as ReactEditor;
     const className = useMemo(() => {
-      return `relative ${attributes.className ?? ''}`;
-    }, [attributes.className]);
+      return `pl-6 ${attributes.className ?? ''} ${collapsed ? 'collapsed' : ''}`;
+    }, [attributes.className, collapsed]);
     const toggleToggleList = useCallback(() => {
       CustomEditor.toggleToggleList(editor, node);
     }, [editor, node]);
 
     return (
-      <div {...attributes} ref={ref} className={className}>
+      <>
         <span
+          data-playwright-selected={false}
           contentEditable={false}
           onClick={toggleToggleList}
-          className='absolute left-0 top-0 inline-block cursor-pointer rounded text-xl text-text-title hover:bg-fill-list-hover'
+          className='absolute cursor-pointer select-none text-xl hover:text-fill-default'
         >
           {collapsed ? <RightSvg /> : <RightSvg className={'rotate-90 transform'} />}
         </span>
-        <span className={'z-1 relative ml-6'}>
-          <Placeholder node={node} />
-
+        <div {...attributes} ref={ref} className={className}>
           {children}
-        </span>
-      </div>
+        </div>
+      </>
     );
   })
 );

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/editor/CollaborativeEditor.tsx

@@ -1,11 +1,12 @@
-import { useEffect, useMemo, useState } from 'react';
+import { memo, useEffect, useMemo, useState } from 'react';
 
 import Editor from '$app/components/editor/components/editor/Editor';
 import { EditorProps } from '$app/application/document/document.types';
 import { Provider } from '$app/components/editor/provider';
 import { YXmlText } from 'yjs/dist/src/types/YXmlText';
+import { getInsertTarget, getYTarget } from '$app/components/editor/provider/utils/relation';
 
-export const CollaborativeEditor = ({ id, title, showTitle = true, onTitleChange }: EditorProps) => {
+export const CollaborativeEditor = memo(({ id, title, showTitle = true, onTitleChange }: EditorProps) => {
   const [sharedType, setSharedType] = useState<YXmlText | null>(null);
   const provider = useMemo(() => {
     setSharedType(null);
@@ -13,18 +14,25 @@ export const CollaborativeEditor = ({ id, title, showTitle = true, onTitleChange
   }, [id, showTitle]);
 
   const root = useMemo(() => {
-    return showTitle ? (sharedType?.toDelta()[0].insert as YXmlText | null) : null;
+    if (!showTitle || !sharedType || !sharedType.doc) return null;
+
+    return getYTarget(sharedType?.doc, [0]);
   }, [sharedType, showTitle]);
 
-  useEffect(() => {
-    if (!root || root.toString() === title) return;
+  const rootText = useMemo(() => {
+    if (!root) return null;
+    return getInsertTarget(root, [0]);
+  }, [root]);
 
-    if (root.length > 0) {
-      root.delete(0, root.length);
+  useEffect(() => {
+    if (!rootText || rootText.toString() === title) return;
+
+    if (rootText.length > 0) {
+      rootText.delete(0, rootText.length);
     }
 
-    root.insert(0, title || '');
-  }, [title, root]);
+    rootText.insert(0, title || '');
+  }, [title, rootText]);
 
   useEffect(() => {
     if (!root) return;
@@ -32,8 +40,8 @@ export const CollaborativeEditor = ({ id, title, showTitle = true, onTitleChange
       onTitleChange?.(root.toString());
     };
 
-    root.observe(onChange);
-    return () => root.unobserve(onChange);
+    root.observeDeep(onChange);
+    return () => root.unobserveDeep(onChange);
   }, [onTitleChange, root]);
 
   useEffect(() => {
@@ -55,4 +63,4 @@ export const CollaborativeEditor = ({ id, title, showTitle = true, onTitleChange
   }
 
   return <Editor sharedType={sharedType} id={id} />;
-};
+});

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/editor/Editor.hooks.ts

@@ -1,4 +1,4 @@
-import { createContext, useCallback, useContext, useEffect, useMemo, useState } from 'react';
+import { createContext, useCallback, useEffect, useMemo, useState } from 'react';
 import { EditorNodeType, CodeNode } from '$app/application/document/document.types';
 
 import { createEditor, NodeEntry, BaseRange, Editor, Element } from 'slate';
@@ -10,6 +10,7 @@ import { withInlines } from '$app/components/editor/components/inline_nodes';
 import { withYjs, YjsEditor, withYHistory } from '@slate-yjs/core';
 import * as Y from 'yjs';
 import { CustomEditor } from '$app/components/editor/command';
+import { proxySet, subscribeKey } from 'valtio/utils';
 
 export function useEditor(sharedType: Y.XmlText) {
   const editor = useMemo(() => {
@@ -77,56 +78,60 @@ export function useDecorate(editor: ReactEditor) {
   );
 }
 
-export const EditorSelectedBlockContext = createContext<string[]>([]);
+export function useEditorState(editor: ReactEditor) {
+  const selectedBlocks = useMemo(() => proxySet([]), []);
 
-export function useSelectedBlock(blockId?: string) {
-  const blockIds = useContext(EditorSelectedBlockContext);
+  const [selectedLength, setSelectedLength] = useState(0);
 
-  if (blockId === undefined) {
-    return false;
-  }
-
-  return blockIds.includes(blockId);
-}
-
-export const EditorSelectedBlockProvider = EditorSelectedBlockContext.Provider;
-
-export function useEditorSelectedBlock(editor: ReactEditor) {
-  const [selectedBlockId, setSelectedBlockId] = useState<string[]>([]);
-  const onSelectedBlock = useCallback(
-    (blockId: string) => {
-      const children = editor.children.filter((node) => (node as Element).parentId === blockId);
-      const blockIds = [blockId, ...children.map((node) => (node as Element).blockId as string)];
-      const node = editor.children.find((node) => (node as Element).blockId === blockId);
-
-      if (node) {
-        const path = ReactEditor.findPath(editor, node);
-
-        ReactEditor.focus(editor);
-        editor.select(path);
-        editor.collapse({
-          edge: 'start',
-        });
-      }
-
-      setSelectedBlockId(blockIds);
-    },
-    [editor]
-  );
+  subscribeKey(selectedBlocks, 'size', (v) => setSelectedLength(v));
 
   useEffect(() => {
-    const handleClick = () => {
-      if (selectedBlockId.length === 0) return;
-      setSelectedBlockId([]);
+    const { onChange } = editor;
+
+    const onKeydown = (e: KeyboardEvent) => {
+      if (!ReactEditor.isFocused(editor) && selectedLength > 0) {
+        e.preventDefault();
+        e.stopPropagation();
+        const selectedBlockId = selectedBlocks.values().next().value;
+        const [selectedBlock] = editor.nodes({
+          at: [],
+          match: (n) => Element.isElement(n) && n.blockId === selectedBlockId,
+        });
+        const [, path] = selectedBlock;
+
+        editor.select(path);
+        ReactEditor.focus(editor);
+      }
     };
 
-    document.addEventListener('click', handleClick);
+    if (selectedLength > 0) {
+      editor.onChange = (...args) => {
+        const isSelectionChange = editor.operations.every((arg) => arg.type === 'set_selection');
+
+        if (isSelectionChange) {
+          selectedBlocks.clear();
+        }
+
+        onChange(...args);
+      };
+
+      document.addEventListener('keydown', onKeydown);
+    } else {
+      editor.onChange = onChange;
+      document.removeEventListener('keydown', onKeydown);
+    }
+
     return () => {
-      document.removeEventListener('click', handleClick);
+      editor.onChange = onChange;
+      document.removeEventListener('keydown', onKeydown);
     };
-  }, [selectedBlockId]);
+  }, [editor, selectedBlocks, selectedLength]);
+
   return {
-    selectedBlockId,
-    onSelectedBlock,
+    selectedBlocks,
   };
 }
+
+export const EditorSelectedBlockContext = createContext<Set<string>>(new Set());
+
+export const EditorSelectedBlockProvider = EditorSelectedBlockContext.Provider;

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/editor/Editor.tsx

@@ -1,9 +1,9 @@
-import React from 'react';
+import React, { memo } from 'react';
 import {
   EditorSelectedBlockProvider,
   useDecorate,
   useEditor,
-  useEditorSelectedBlock,
+  useEditorState,
 } from '$app/components/editor/components/editor/Editor.hooks';
 import { Slate } from 'slate-react';
 import { CustomEditable } from '$app/components/editor/components/editor/CustomEditable';
@@ -19,24 +19,23 @@ function Editor({ sharedType }: { sharedType: Y.XmlText; id: string }) {
   const { editor, initialValue, handleOnClickEnd, ...props } = useEditor(sharedType);
   const decorate = useDecorate(editor);
   const { onDOMBeforeInput, onKeyDown: onShortcutsKeyDown } = useShortcuts(editor);
-
-  const { onSelectedBlock, selectedBlockId } = useEditorSelectedBlock(editor);
+  const { selectedBlocks } = useEditorState(editor);
 
   if (editor.sharedRoot.length === 0) {
     return <CircularProgress className='m-auto' />;
   }
 
   return (
-    <EditorSelectedBlockProvider value={selectedBlockId}>
+    <EditorSelectedBlockProvider value={selectedBlocks}>
       <Slate editor={editor} initialValue={initialValue}>
         <SelectionToolbar />
-        <BlockActionsToolbar onSelectedBlock={onSelectedBlock} />
+        <BlockActionsToolbar />
         <CustomEditable
           {...props}
           onDOMBeforeInput={onDOMBeforeInput}
           onKeyDown={onShortcutsKeyDown}
           decorate={decorate}
-          className={'caret-text-title outline-none focus:outline-none'}
+          className={'px-16 caret-text-title outline-none focus:outline-none'}
         />
         <SlashCommandPanel />
         <MentionPanel />
@@ -46,4 +45,4 @@ function Editor({ sharedType }: { sharedType: Y.XmlText; id: string }) {
   );
 }
 
-export default Editor;
+export default memo(Editor);

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/editor/Element.hooks.ts

@@ -0,0 +1,31 @@
+import { Element } from 'slate';
+import { useContext, useEffect, useMemo } from 'react';
+import { EditorSelectedBlockContext } from '$app/components/editor/components/editor/Editor.hooks';
+import { useSnapshot } from 'valtio';
+import { useSelected, useSlateStatic } from 'slate-react';
+
+export function useElementState(element: Element) {
+  const blockId = element.blockId;
+  const editor = useSlateStatic();
+  const selectedBlockContext = useContext(EditorSelectedBlockContext);
+  const selected = useSelected();
+
+  useEffect(() => {
+    if (!blockId) return;
+    if (selected && !editor.isSelectable(element)) {
+      selectedBlockContext.add(blockId);
+    } else {
+      selectedBlockContext.delete(blockId);
+    }
+  }, [blockId, editor, element, selected, selectedBlockContext]);
+
+  const selectedBlockIds = useSnapshot(selectedBlockContext);
+  const isSelected = useMemo(() => {
+    if (!blockId) return false;
+    return selectedBlockIds.has(blockId);
+  }, [blockId, selectedBlockIds]);
+
+  return {
+    isSelected,
+  };
+}

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/editor/Element.tsx

@@ -1,6 +1,12 @@
 import React, { FC, HTMLAttributes, useMemo } from 'react';
 import { RenderElementProps } from 'slate-react';
-import { EditorElementProps, EditorInlineNodeType, EditorNodeType } from '$app/application/document/document.types';
+import {
+  BlockData,
+  EditorElementProps,
+  EditorInlineNodeType,
+  EditorNodeType,
+  TextNode,
+} from '$app/application/document/document.types';
 import { Paragraph } from '$app/components/editor/components/blocks/paragraph';
 import { Heading } from '$app/components/editor/components/blocks/heading';
 import { TodoList } from '$app/components/editor/components/blocks/todo_list';
@@ -15,8 +21,9 @@ import { Callout } from '$app/components/editor/components/blocks/callout';
 import { Mention } from '$app/components/editor/components/inline_nodes/mention';
 import { GridBlock } from '$app/components/editor/components/blocks/database';
 import { MathEquation } from '$app/components/editor/components/blocks/math_equation';
-import { useSelectedBlock } from '$app/components/editor/components/editor/Editor.hooks';
-import Page from '../blocks/page/Page';
+import { Text as TextComponent } from '../blocks/text';
+import { Page } from '../blocks/page';
+import { useElementState } from '$app/components/editor/components/editor/Element.hooks';
 
 function Element({ element, attributes, children }: RenderElementProps) {
   const node = element;
@@ -65,13 +72,20 @@ function Element({ element, attributes, children }: RenderElementProps) {
     }
   }, [node.type]) as FC<EditorElementProps & HTMLAttributes<HTMLElement>>;
 
-  const marginLeft = useMemo(() => {
-    if (!node.level) return;
+  const { isSelected } = useElementState(node);
 
-    return (node.level - 1) * 24;
-  }, [node.level]);
+  const className = useMemo(() => {
+    return `block-element my-1 flex rounded ${isSelected ? 'bg-content-blue-100' : ''}`;
+  }, [isSelected]);
 
-  const isSelected = useSelectedBlock(node.blockId);
+  const style = useMemo(() => {
+    const data = (node.data as BlockData) || {};
+
+    return {
+      backgroundColor: data.bg_color,
+      color: data.font_color,
+    };
+  }, [node.data]);
 
   if (InlineComponent) {
     return (
@@ -81,15 +95,17 @@ function Element({ element, attributes, children }: RenderElementProps) {
     );
   }
 
+  if (node.type === EditorNodeType.Text) {
+    return (
+      <TextComponent {...attributes} node={node as TextNode}>
+        {children}
+      </TextComponent>
+    );
+  }
+
   return (
-    <div
-      {...attributes}
-      style={{
-        marginLeft,
-      }}
-      className={`${node.isHidden ? 'hidden' : 'inline-block'} block-element leading-1 my-0.5 w-full px-16`}
-    >
-      <Component className={`${isSelected ? 'bg-content-blue-100' : ''}`} node={node}>
+    <div {...attributes} data-block-type={node.type} className={className}>
+      <Component style={style} className={`flex w-full flex-col`} node={node}>
         {children}
       </Component>
     </div>

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/editor/shortcuts/shortcuts.hooks.ts

@@ -86,7 +86,9 @@ export function useShortcuts(editor: ReactEditor) {
       if (isHotkey('shift+Enter', e) && node) {
         e.preventDefault();
         if (SOFT_BREAK_TYPES.includes(node.type as EditorNodeType)) {
-          CustomEditor.splitToParagraph(editor);
+          editor.splitNodes({
+            always: true,
+          });
         } else {
           editor.insertText('\n');
         }

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/editor/shortcuts/withCommandShortcuts.ts

@@ -1,7 +1,5 @@
 import { ReactEditor } from 'slate-react';
 import { Editor, Range } from 'slate';
-import { getBlockEntry, isDeleteBackwardAtStartOfBlock } from '$app/components/editor/plugins/utils';
-import { EditorNodeType } from '$app/application/document/document.types';
 import { CustomEditor } from '$app/components/editor/command';
 
 export enum EditorCommand {
@@ -36,7 +34,7 @@ export function withCommandShortcuts(editor: ReactEditor) {
     });
 
     if (endOfPanelChar !== undefined && selection && Range.isCollapsed(selection)) {
-      const block = getBlockEntry(editor);
+      const block = CustomEditor.getBlock(editor);
       const path = block ? block[1] : [];
       const { anchor } = selection;
       const beforeText = Editor.string(editor, { anchor, focus: Editor.start(editor, path) }) + text.slice(0, -1);
@@ -67,7 +65,7 @@ export function withCommandShortcuts(editor: ReactEditor) {
 
     if (selection && Range.isCollapsed(selection)) {
       const { anchor } = selection;
-      const block = getBlockEntry(editor);
+      const block = CustomEditor.getBlock(editor);
       const path = block ? block[1] : [];
       const beforeText = Editor.string(editor, { anchor, focus: Editor.start(editor, path) });
 
@@ -81,7 +79,7 @@ export function withCommandShortcuts(editor: ReactEditor) {
       }
 
       // if delete backward at start of paragraph, and then it will be deleted, so we should close the panel if it is open
-      if (isDeleteBackwardAtStartOfBlock(editor, EditorNodeType.Paragraph)) {
+      if (CustomEditor.focusAtStartOfBlock(editor)) {
         const slateDom = ReactEditor.toDOMNode(editor, editor);
 
         commands.forEach((char) => {

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/editor/shortcuts/withMarkdownShortcuts.ts

@@ -25,7 +25,13 @@ const regexMap: Record<
   ],
   [EditorNodeType.QuoteBlock]: [
     {
-      pattern: /^("|“|”)$/,
+      pattern: /^”$/,
+    },
+    {
+      pattern: /^“$/,
+    },
+    {
+      pattern: /^"$/,
     },
   ],
   [EditorNodeType.TodoListBlock]: [
@@ -218,7 +224,7 @@ export const withMarkdownShortcuts = (editor: ReactEditor) => {
     if (text.endsWith(' ') || text.endsWith('-')) {
       const endChar = text.slice(-1);
       const [match] = Editor.nodes(editor, {
-        match: (n) => !Editor.isEditor(n) && SlateElement.isElement(n) && n.type !== undefined,
+        match: (n) => !Editor.isEditor(n) && SlateElement.isElement(n) && n.type === EditorNodeType.Text,
       });
 
       if (!match) {

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/_shared/BgColorPicker.tsx

@@ -1,9 +1,6 @@
 import React from 'react';
 import { useTranslation } from 'react-i18next';
-import {
-  ColorPicker,
-  ColorPickerProps,
-} from '$app/components/editor/components/tools/selection_toolbar/sub_menu/ColorPicker';
+import { ColorPicker, ColorPickerProps } from '$app/components/editor/components/tools/_shared/ColorPicker';
 
 export function BgColorPicker(props: ColorPickerProps) {
   const { t } = useTranslation();

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/_shared/ColorPicker.tsx

@@ -1,6 +1,6 @@
 import React, { useEffect, useMemo, useRef, useState } from 'react';
 import { useTranslation } from 'react-i18next';
-import { CustomColorPicker } from '$app/components/editor/components/tools/selection_toolbar/sub_menu/CustomColorPicker';
+import { CustomColorPicker } from '$app/components/editor/components/tools/_shared/CustomColorPicker';
 import Typography from '@mui/material/Typography';
 import { MenuItem, MenuList } from '@mui/material';
 import { ReactComponent as SelectCheckSvg } from '$app/assets/select-check.svg';

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/_shared/FontColorPicker.tsx

@@ -1,9 +1,6 @@
 import React from 'react';
 import { useTranslation } from 'react-i18next';
-import {
-  ColorPicker,
-  ColorPickerProps,
-} from '$app/components/editor/components/tools/selection_toolbar/sub_menu/ColorPicker';
+import { ColorPicker, ColorPickerProps } from '$app/components/editor/components/tools/_shared/ColorPicker';
 
 export function FontColorPicker(props: ColorPickerProps) {
   const { t } = useTranslation();

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/block_actions/AddBlockBelow.tsx

@@ -6,11 +6,11 @@ import { PopoverPreventBlurProps } from '$app/components/editor/components/tools
 import SlashCommandPanelContent from '$app/components/editor/components/tools/command_panel/slash_command_panel/SlashCommandPanelContent';
 import { ReactComponent as AddSvg } from '$app/assets/add.svg';
 import { useTranslation } from 'react-i18next';
-import { Editor, Element, Transforms } from 'slate';
-import { EditorNodeType } from '$app/application/document/document.types';
+import { Element } from 'slate';
 import { CustomEditor } from '$app/components/editor/command';
+import { EditorNodeType } from '$app/application/document/document.types';
 
-function AddBlockBelow({ node }: { node: Element }) {
+function AddBlockBelow({ node }: { node?: Element }) {
   const { t } = useTranslation();
   const [nodeEl, setNodeEl] = useState<HTMLElement | null>(null);
   const editor = useSlate();
@@ -19,23 +19,12 @@ function AddBlockBelow({ node }: { node: Element }) {
   const handleSlashCommandPanelClose = useCallback(
     (deleteText?: boolean) => {
       if (!nodeEl) return;
-      const node = ReactEditor.toSlateNode(editor, nodeEl);
+      const node = ReactEditor.toSlateNode(editor, nodeEl) as Element;
+
+      if (!node) return;
 
       if (deleteText) {
-        const path = ReactEditor.findPath(editor, node);
-
-        Transforms.select(editor, path);
-        Transforms.insertNodes(
-          editor,
-          [
-            {
-              text: '',
-            },
-          ],
-          {
-            select: true,
-          }
-        );
+        CustomEditor.deleteAllText(editor, node);
       }
 
       setNodeEl(null);
@@ -47,44 +36,53 @@ function AddBlockBelow({ node }: { node: Element }) {
     if (!node) return;
     ReactEditor.focus(editor);
 
-    const path = ReactEditor.findPath(editor, node);
+    const [textNode] = node.children as Element[];
+    const hasTextNode = textNode && textNode.type === EditorNodeType.Text;
 
-    editor.select(path);
+    const nodePath = ReactEditor.findPath(editor, node);
+    const textPath = ReactEditor.findPath(editor, textNode);
+
+    const focusPath = hasTextNode ? textPath : nodePath;
+
+    editor.select(focusPath);
     editor.collapse({
       edge: 'end',
     });
 
-    const isEmptyNode = editor.isEmpty(node);
+    const isEmptyNode = CustomEditor.isEmptyText(editor, node);
 
     if (isEmptyNode) {
       const nodeDom = ReactEditor.toDOMNode(editor, node);
 
       setNodeEl(nodeDom);
-    } else {
-      CustomEditor.splitToParagraph(editor);
+      return;
+    }
 
-      requestAnimationFrame(() => {
-        const nextNodeEntry = Editor.next(editor, {
-          at: path,
-          match: (n) => Element.isElement(n) && Editor.isBlock(editor, n) && n.type === EditorNodeType.Paragraph,
-        });
+    editor.insertBreak();
+    CustomEditor.turnToBlock(editor, {
+      type: EditorNodeType.Paragraph,
+    });
 
-        if (!nextNodeEntry) return;
-        const nextNode = nextNodeEntry[0] as Element;
+    requestAnimationFrame(() => {
+      const block = CustomEditor.getBlock(editor);
 
-        const nodeDom = ReactEditor.toDOMNode(editor, nextNode);
+      if (block) {
+        const [node] = block;
+
+        const nodeDom = ReactEditor.toDOMNode(editor, node);
 
         setNodeEl(nodeDom);
-      });
-    }
+      }
+    });
   };
 
   const searchText = useMemo(() => {
     if (!nodeEl) return '';
-    const node = ReactEditor.toSlateNode(editor, nodeEl);
-    const path = ReactEditor.findPath(editor, node);
+    const node = ReactEditor.toSlateNode(editor, nodeEl) as Element;
 
-    return Editor.string(editor, path);
+    if (!node) return '';
+
+    return CustomEditor.getNodeText(editor, node);
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [editor, nodeEl, editor.selection]);
 
@@ -100,13 +98,12 @@ function AddBlockBelow({ node }: { node: Element }) {
           {...PopoverPreventBlurProps}
           anchorOrigin={{
             vertical: 30,
-            horizontal: 64,
+            horizontal: 'left',
           }}
           transformOrigin={{
             vertical: 'top',
             horizontal: 'left',
           }}
-          onMouseMove={(e) => e.stopPropagation()}
           open={openSlashCommandPanel}
           anchorEl={nodeEl}
           onClose={() => handleSlashCommandPanelClose(false)}

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/block_actions/BlockActions.tsx

@@ -2,13 +2,13 @@ import React from 'react';
 
 import { Element } from 'slate';
 import AddBlockBelow from '$app/components/editor/components/tools/block_actions/AddBlockBelow';
-import DragBlock from '$app/components/editor/components/tools/block_actions/DragBlock';
+import BlockMenu from '$app/components/editor/components/tools/block_actions/BlockMenu';
 
-export function BlockActions({ node, onSelectedBlock }: { node: Element; onSelectedBlock: (blockId: string) => void }) {
+export function BlockActions({ node }: { node?: Element }) {
   return (
     <>
       <AddBlockBelow node={node} />
-      <DragBlock node={node} onSelectedBlock={onSelectedBlock} />
+      <BlockMenu node={node} />
     </>
   );
 }

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/block_actions/BlockActionsToolbar.hooks.ts

@@ -1,7 +1,7 @@
 import { useEffect, useState } from 'react';
 import { ReactEditor, useSlate } from 'slate-react';
 import { getBlockActionsPosition } from '$app/components/editor/components/tools/block_actions/utils';
-import { Element } from 'slate';
+import { Element, Editor } from 'slate';
 import { EditorNodeType } from '$app/application/document/document.types';
 
 export function useBlockActionsToolbar(ref: React.RefObject<HTMLDivElement>) {
@@ -16,16 +16,34 @@ export function useBlockActionsToolbar(ref: React.RefObject<HTMLDivElement>) {
 
       const target = e.target as HTMLElement;
 
-      if (target.closest('.block-actions')) return;
-      const blockElement = target ? (target.closest('.block-element') as HTMLElement) : null;
+      if (target.closest(`[contenteditable="false"]`)) {
+        return;
+      }
 
-      if (!blockElement) {
+      const range = ReactEditor.findEventRange(editor, e);
+
+      if (!range) return;
+      const match = editor.above({
+        match: (n) => {
+          return !Editor.isEditor(n) && Element.isElement(n) && n.blockId !== undefined;
+        },
+        at: range,
+      });
+
+      if (!match) {
         el.style.opacity = '0';
         el.style.pointerEvents = 'none';
         setNode(null);
         return;
       }
 
+      const node = match[0] as Element;
+
+      if (node.type === EditorNodeType.Page) return;
+      const blockElement = ReactEditor.toDOMNode(editor, node);
+
+      if (!blockElement) return;
+
       const { top, left } = getBlockActionsPosition(editor, blockElement);
 
       const slateEditorDom = ReactEditor.toDOMNode(editor, editor);
@@ -33,7 +51,7 @@ export function useBlockActionsToolbar(ref: React.RefObject<HTMLDivElement>) {
       el.style.opacity = '1';
       el.style.pointerEvents = 'auto';
       el.style.top = `${top + slateEditorDom.offsetTop}px`;
-      el.style.left = `${left + slateEditorDom.offsetLeft}px`;
+      el.style.left = `${left + slateEditorDom.offsetLeft - 64}px`;
       const slateNode = ReactEditor.toSlateNode(editor, blockElement) as Element;
 
       setNode(slateNode);
@@ -49,11 +67,13 @@ export function useBlockActionsToolbar(ref: React.RefObject<HTMLDivElement>) {
       setNode(null);
     };
 
-    document.addEventListener('mousemove', handleMouseMove);
-    document.addEventListener('mouseleave', handleMouseLeave);
+    const dom = ReactEditor.toDOMNode(editor, editor);
+
+    dom.addEventListener('mousemove', handleMouseMove);
+    dom.parentElement?.addEventListener('mouseleave', handleMouseLeave);
     return () => {
-      document.removeEventListener('mousemove', handleMouseMove);
-      document.removeEventListener('mouseleave', handleMouseLeave);
+      dom.removeEventListener('mousemove', handleMouseMove);
+      dom.parentElement?.removeEventListener('mouseleave', handleMouseLeave);
     };
   }, [editor, ref]);
 

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/block_actions/BlockActionsToolbar.tsx

@@ -4,7 +4,7 @@ import BlockActions from '$app/components/editor/components/tools/block_actions/
 
 import { getBlockCssProperty } from '$app/components/editor/components/tools/block_actions/utils';
 
-export function BlockActionsToolbar({ onSelectedBlock }: { onSelectedBlock: (blockId: string) => void }) {
+export function BlockActionsToolbar() {
   const ref = useRef<HTMLDivElement | null>(null);
 
   const { node } = useBlockActionsToolbar(ref);
@@ -19,6 +19,7 @@ export function BlockActionsToolbar({ onSelectedBlock }: { onSelectedBlock: (blo
       onMouseDown={(e) => {
         // prevent toolbar from taking focus away from editor
         e.preventDefault();
+        e.stopPropagation();
       }}
       onMouseUp={(e) => {
         e.stopPropagation();
@@ -26,7 +27,7 @@ export function BlockActionsToolbar({ onSelectedBlock }: { onSelectedBlock: (blo
     >
       {/* Ensure the toolbar in middle */}
       <div className={'invisible'}>0</div>
-      {node && <BlockActions node={node} onSelectedBlock={onSelectedBlock} />}
+      {<BlockActions node={node || undefined} />}
     </div>
   );
 }

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/block_actions/BlockMenu.hooks.ts

@@ -0,0 +1,27 @@
+import { useCallback, KeyboardEvent } from 'react';
+
+export function useBlockMenuKeyDown({ onClose }: { onClose: () => void }) {
+  const onKeyDown = useCallback(
+    (e: KeyboardEvent) => {
+      e.preventDefault();
+      e.stopPropagation();
+      switch (e.key) {
+        case 'Escape':
+          onClose();
+          break;
+        case 'ArrowUp':
+        case 'ArrowDown':
+        case 'ArrowLeft':
+        case 'ArrowRight':
+          break;
+        default:
+          return;
+      }
+    },
+    [onClose]
+  );
+
+  return {
+    onKeyDown,
+  };
+}

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/block_actions/BlockMenu.tsx

@@ -1,24 +1,28 @@
-import React, { useCallback, useRef, useState } from 'react';
+import React, { useCallback, useContext, useRef, useState } from 'react';
 import { IconButton, Tooltip } from '@mui/material';
 import { useTranslation } from 'react-i18next';
 import { ReactComponent as DragSvg } from '$app/assets/drag.svg';
 import BlockOperationMenu from '$app/components/editor/components/tools/block_actions/BlockOperationMenu';
 import { Element } from 'slate';
+import { EditorSelectedBlockContext } from '$app/components/editor/components/editor/Editor.hooks';
 
-function DragBlock({ node, onSelectedBlock }: { node: Element; onSelectedBlock: (blockId: string) => void }) {
+function BlockMenu({ node }: { node?: Element }) {
   const dragBtnRef = useRef<HTMLButtonElement>(null);
   const [openMenu, setOpenMenu] = useState(false);
   const { t } = useTranslation();
+  const [selectedNode, setSelectedNode] = useState<Element>();
+  const selectedBlockContext = useContext(EditorSelectedBlockContext);
 
   const handleClick = useCallback(
     (e: React.MouseEvent) => {
       e.stopPropagation();
       setOpenMenu(true);
       if (!node || !node.blockId) return;
-
-      onSelectedBlock(node.blockId);
+      setSelectedNode(node);
+      selectedBlockContext.clear();
+      selectedBlockContext.add(node.blockId);
     },
-    [node, onSelectedBlock]
+    [node, selectedBlockContext]
   );
 
   return (
@@ -28,27 +32,34 @@ function DragBlock({ node, onSelectedBlock }: { node: Element; onSelectedBlock:
           <DragSvg />
         </IconButton>
       </Tooltip>
-      {openMenu && node && (
+      {openMenu && selectedNode && (
         <BlockOperationMenu
           onMouseMove={(e) => {
             e.stopPropagation();
           }}
           anchorOrigin={{
-            vertical: 'bottom',
-            horizontal: 'right',
-          }}
-          transformOrigin={{
             vertical: 'center',
             horizontal: 'left',
           }}
-          node={node}
+          transformOrigin={{
+            vertical: 'center',
+            horizontal: 'right',
+          }}
+          PaperProps={{
+            onClick: (e) => {
+              e.stopPropagation();
+            },
+          }}
+          node={selectedNode}
           open={openMenu}
           anchorEl={dragBtnRef.current}
-          onClose={() => setOpenMenu(false)}
+          onClose={() => {
+            setOpenMenu(false);
+          }}
         />
       )}
     </>
   );
 }
 
-export default DragBlock;
+export default BlockMenu;

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/block_actions/BlockOperationMenu.tsx

@@ -1,30 +1,79 @@
-import React, { useMemo } from 'react';
+import React, { useCallback, useMemo, useState } from 'react';
 import Popover, { PopoverProps } from '@mui/material/Popover';
 import { ReactComponent as DeleteSvg } from '$app/assets/delete.svg';
 import { ReactComponent as CopySvg } from '$app/assets/copy.svg';
+import { ReactComponent as MoreSvg } from '$app/assets/more.svg';
+
 import { useTranslation } from 'react-i18next';
-import { Button } from '@mui/material';
+import { Button, Divider, MenuProps, Menu } from '@mui/material';
 import { PopoverCommonProps } from '$app/components/editor/components/tools/popover';
 import { Element } from 'slate';
-import { useSlateStatic } from 'slate-react';
+import { ReactEditor, useSlateStatic } from 'slate-react';
 import { CustomEditor } from '$app/components/editor/command';
 
+import { FontColorPicker, BgColorPicker } from '$app/components/editor/components/tools/_shared';
+import Typography from '@mui/material/Typography';
+import { useBlockMenuKeyDown } from '$app/components/editor/components/tools/block_actions/BlockMenu.hooks';
+
+enum SubMenuType {
+  TextColor = 'textColor',
+  BackgroundColor = 'backgroundColor',
+}
+
+const subMenuProps: Partial<MenuProps> = {
+  anchorOrigin: {
+    vertical: 'top',
+    horizontal: 'right',
+  },
+  transformOrigin: {
+    vertical: 'top',
+    horizontal: 'left',
+  },
+};
+
 export function BlockOperationMenu({
   node,
   ...props
 }: {
   node: Element;
 } & PopoverProps) {
+  const optionsRef = React.useRef<HTMLDivElement>(null);
   const editor = useSlateStatic();
   const { t } = useTranslation();
-  const options = useMemo(
+
+  const handleClose = useCallback(() => {
+    props.onClose?.({}, 'backdropClick');
+    ReactEditor.focus(editor);
+    const path = ReactEditor.findPath(editor, node);
+
+    editor.select(path);
+    if (editor.isSelectable(node)) {
+      editor.collapse({
+        edge: 'start',
+      });
+    }
+  }, [editor, node, props]);
+
+  const { onKeyDown } = useBlockMenuKeyDown({
+    onClose: handleClose,
+  });
+  const [subMenuType, setSubMenuType] = useState<null | SubMenuType>(null);
+
+  const subMenuAnchorEl = useMemo(() => {
+    if (!subMenuType) return null;
+    return optionsRef.current?.querySelector(`[data-submenu-type="${subMenuType}"]`);
+  }, [subMenuType]);
+
+  const subMenuOpen = Boolean(subMenuAnchorEl);
+
+  const operationOptions = useMemo(
     () => [
       {
         icon: <DeleteSvg />,
         text: t('button.delete'),
         onClick: () => {
           CustomEditor.deleteNode(editor, node);
-          props.onClose?.({}, 'backdropClick');
+          handleClose();
         },
       },
       {
@@ -32,17 +81,69 @@ export function BlockOperationMenu({
         text: t('button.duplicate'),
         onClick: () => {
           CustomEditor.duplicateNode(editor, node);
-          props.onClose?.({}, 'backdropClick');
+          handleClose();
         },
       },
     ],
-    [editor, node, props, t]
+    [editor, node, handleClose, t]
   );
 
+  const colorOptions = useMemo(
+    () => [
+      {
+        type: SubMenuType.TextColor,
+        text: t('editor.textColor'),
+        onClick: () => {
+          setSubMenuType(SubMenuType.TextColor);
+        },
+      },
+      {
+        type: SubMenuType.BackgroundColor,
+        text: t('editor.backgroundColor'),
+        onClick: () => {
+          setSubMenuType(SubMenuType.BackgroundColor);
+        },
+      },
+    ],
+    [t]
+  );
+
+  const subMenuContent = useMemo(() => {
+    switch (subMenuType) {
+      case SubMenuType.TextColor:
+        return (
+          <FontColorPicker
+            onChange={(color) => {
+              CustomEditor.setBlockColor(editor, node, { font_color: color });
+              handleClose();
+            }}
+          />
+        );
+      case SubMenuType.BackgroundColor:
+        return (
+          <BgColorPicker
+            onChange={(color) => {
+              CustomEditor.setBlockColor(editor, node, { bg_color: color });
+              handleClose();
+            }}
+          />
+        );
+      default:
+        return null;
+    }
+  }, [editor, node, handleClose, subMenuType]);
+
   return (
-    <Popover {...PopoverCommonProps} {...props}>
+    <Popover
+      {...PopoverCommonProps}
+      disableAutoFocus={false}
+      onKeyDown={onKeyDown}
+      onMouseDown={(e) => e.stopPropagation()}
+      {...props}
+      onClose={handleClose}
+    >
       <div className={'flex flex-col p-2'}>
-        {options.map((option, index) => (
+        {operationOptions.map((option, index) => (
           <Button
             color={'inherit'}
             onClick={option.onClick}
@@ -55,6 +156,35 @@ export function BlockOperationMenu({
           </Button>
         ))}
       </div>
+      <Divider className={'my-1'} />
+      <div ref={optionsRef} className={'flex flex-col p-2'}>
+        <Typography variant={'body2'} className={'mb-1 text-text-caption'}>
+          {t('editor.color')}
+        </Typography>
+        {colorOptions.map((option, index) => (
+          <Button
+            data-submenu-type={option.type}
+            color={'inherit'}
+            onClick={option.onClick}
+            size={'small'}
+            endIcon={<MoreSvg />}
+            className={'w-full justify-between'}
+            key={index}
+          >
+            <div className={'flex-1 text-left'}>{option.text}</div>
+          </Button>
+        ))}
+      </div>
+      <Menu
+        container={optionsRef.current}
+        {...PopoverCommonProps}
+        {...subMenuProps}
+        open={subMenuOpen}
+        anchorEl={subMenuAnchorEl}
+        onClose={() => setSubMenuType(null)}
+      >
+        {subMenuContent}
+      </Menu>
     </Popover>
   );
 }

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/command_panel/slash_command_panel/SlashCommandPanel.hooks.ts

@@ -2,7 +2,7 @@ import { EditorNodeType } from '$app/application/document/document.types';
 import { useCallback, useEffect, useMemo, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 import { useSlate } from 'slate-react';
-import { Editor, Transforms } from 'slate';
+import { Transforms } from 'slate';
 import { getBlock } from '$app/components/editor/plugins/utils';
 import { ReactComponent as TextIcon } from '$app/assets/text.svg';
 import { ReactComponent as TodoListIcon } from '$app/assets/todo-list.svg';
@@ -134,18 +134,16 @@ export function useSlashCommandPanel({
 
       if (!newNode) return;
 
-      const isEmpty = Editor.isEmpty(editor, newNode);
+      const isEmpty = CustomEditor.isEmptyText(editor, newNode);
 
-      if (isEmpty) {
-        CustomEditor.turnToBlock(editor, {
-          type: nodeType,
-          data,
-        });
-        return;
+      if (!isEmpty) {
+        Transforms.splitNodes(editor, { always: true });
       }
 
-      Transforms.splitNodes(editor, { always: true });
-      Transforms.setNodes(editor, { type: nodeType, data });
+      CustomEditor.turnToBlock(editor, {
+        type: nodeType,
+        data,
+      });
     },
     [editor, closePanel]
   );

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/command_panel/usePanel.hooks.ts

@@ -5,7 +5,7 @@ import { PopoverPreventBlurProps } from '$app/components/editor/components/tools
 import { PopoverProps } from '@mui/material/Popover';
 import { commandPanelShowProperty } from '$app/components/editor/components/editor/shortcuts/withCommandShortcuts';
 import { Editor, Point, Transforms } from 'slate';
-import { getBlockEntry } from '$app/components/editor/plugins/utils';
+import { CustomEditor } from '$app/components/editor/command';
 
 export const PanelPopoverProps: Partial<PopoverProps> = {
   ...PopoverPreventBlurProps,
@@ -66,7 +66,7 @@ export function usePanel(ref: RefObject<HTMLDivElement | null>) {
         return;
       }
 
-      const nodeEntry = getBlockEntry(editor);
+      const nodeEntry = CustomEditor.getBlock(editor);
 
       if (!nodeEntry) return;
 
@@ -128,10 +128,8 @@ export function usePanel(ref: RefObject<HTMLDivElement | null>) {
         const isSelectionChange = editor.operations.every((op) => op.type === 'set_selection');
         const currentPoint = Editor.end(editor, editor.selection);
         const isBackward = currentPoint.offset < startPoint.current.offset;
-        const isAnotherBlock =
-          currentPoint.path[0] !== startPoint.current.path[0] || currentPoint.path[1] !== startPoint.current.path[1];
 
-        if (isAnotherBlock || isBackward) {
+        if (isBackward) {
           closePanel(false);
           return;
         }

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/selection_toolbar/SelectionActions.hooks.tsx

@@ -30,8 +30,8 @@ import Functions from '@mui/icons-material/Functions';
 
 import { ReactEditor } from 'slate-react';
 import React, { useCallback, useMemo } from 'react';
-import { getBlock, getBlockEntry } from '$app/components/editor/plugins/utils';
-import { FontColorPicker, BgColorPicker } from '$app/components/editor/components/tools/selection_toolbar/sub_menu';
+import { getBlock } from '$app/components/editor/plugins/utils';
+import { FontColorPicker, BgColorPicker } from '$app/components/editor/components/tools/_shared';
 import { useTranslation } from 'react-i18next';
 import { addMark, Editor } from 'slate';
 import { CustomEditor } from '$app/components/editor/command';
@@ -257,7 +257,7 @@ export function useBlockFormatActionMap(editor: ReactEditor) {
         },
         Icon: TodoListSvg,
         isActive: () => {
-          const entry = getBlockEntry(editor);
+          const entry = CustomEditor.getBlock(editor);
 
           if (!entry) return false;
 
@@ -279,7 +279,7 @@ export function useBlockFormatActionMap(editor: ReactEditor) {
         },
         Icon: QuoteSvg,
         isActive: () => {
-          const entry = getBlockEntry(editor);
+          const entry = CustomEditor.getBlock(editor);
 
           if (!entry) return false;
 
@@ -302,7 +302,7 @@ export function useBlockFormatActionMap(editor: ReactEditor) {
         },
         Icon: ToggleListSvg,
         isActive: () => {
-          const entry = getBlockEntry(editor);
+          const entry = CustomEditor.getBlock(editor);
 
           if (!entry) return false;
 
@@ -325,7 +325,7 @@ export function useBlockFormatActionMap(editor: ReactEditor) {
         },
         Icon: NumberedListSvg,
         isActive: () => {
-          const entry = getBlockEntry(editor);
+          const entry = CustomEditor.getBlock(editor);
 
           if (!entry) return false;
 
@@ -348,7 +348,7 @@ export function useBlockFormatActionMap(editor: ReactEditor) {
         },
         Icon: BulletedListSvg,
         isActive: () => {
-          const entry = getBlockEntry(editor);
+          const entry = CustomEditor.getBlock(editor);
 
           if (!entry) return false;
 

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/selection_toolbar/SelectionActions.tsx

@@ -2,7 +2,7 @@ import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react'
 
 import { ReactEditor, useSlate } from 'slate-react';
 import IconButton from '@mui/material/IconButton';
-
+import { Range } from 'slate';
 import {
   SelectionAction,
   useBlockFormatActions,
@@ -14,6 +14,7 @@ import Popover from '@mui/material/Popover';
 import { EditorStyleFormat } from '$app/application/document/document.types';
 import { PopoverPreventBlurProps } from '$app/components/editor/components/tools/popover';
 import { Tooltip } from '@mui/material';
+import { CustomEditor } from '$app/components/editor/command';
 
 function SelectionActions({
   toolbarVisible,
@@ -48,7 +49,32 @@ function SelectionActions({
     handleBlur();
   }, [handleBlur]);
 
-  const isMultiple = editor.getFragment().length > 1;
+  const [isMultiple, setIsMultiple] = useState(false);
+  const getIsMultiple = useCallback(() => {
+    if (!editor.selection) return false;
+    const selection = editor.selection;
+    const start = selection.anchor;
+    const end = selection.focus;
+
+    if (!start || !end) return false;
+
+    if (!Range.isExpanded(selection)) return false;
+
+    const startNode = CustomEditor.getBlock(editor, start);
+
+    const endNode = CustomEditor.getBlock(editor, end);
+
+    return Boolean(startNode && endNode && startNode[0].blockId !== endNode[0].blockId);
+  }, [editor]);
+
+  useEffect(() => {
+    if (toolbarVisible) {
+      setIsMultiple(getIsMultiple());
+    } else {
+      setIsMultiple(false);
+    }
+  }, [editor, getIsMultiple, toolbarVisible]);
+
   const markOptions = useSelectionMarkFormatActions(editor);
   const textOptions = useSelectionTextFormatActions(editor);
   const blockOptions = useBlockFormatActions(editor);

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/selection_toolbar/SelectionToolbar.hooks.ts

@@ -53,7 +53,22 @@ export function useSelectionToolbar(ref: MutableRefObject<HTMLDivElement | null>
     el.style.opacity = '1';
     el.style.pointerEvents = 'auto';
     el.style.top = `${position.top + slateEditorDom.offsetTop - el.offsetHeight}px`;
-    el.style.left = `${position.left + slateEditorDom.offsetLeft - el.offsetWidth / 2 + position.width / 2}px`;
+
+    const left = position.left + slateEditorDom.offsetLeft - el.offsetWidth / 2 + position.width / 2;
+
+    if (left < 0) {
+      el.style.left = '0';
+      return;
+    }
+
+    const right = left + el.offsetWidth;
+
+    if (right > slateEditorDom.offsetWidth) {
+      el.style.left = `${slateEditorDom.offsetWidth - el.offsetWidth}px`;
+      return;
+    }
+
+    el.style.left = `${left}px`;
   }, [closeToolbar, editor, ref]);
 
   useEffect(() => {

frontend/appflowy_tauri/src/appflowy_app/components/editor/components/tools/selection_toolbar/SelectionToolbar.tsx

@@ -11,7 +11,7 @@ export const SelectionToolbar = memo(() => {
     <div
       ref={ref}
       className={
-        'selection-toolbar pointer-events-none absolute z-10 flex w-fit flex-grow transform items-center rounded-lg bg-[var(--fill-toolbar)] p-2 opacity-0 shadow-lg transition-opacity'
+        'selection-toolbar pointer-events-none absolute z-[100] flex w-fit flex-grow transform items-center rounded-lg bg-[var(--fill-toolbar)] p-2 opacity-0 shadow-lg transition-opacity'
       }
       onMouseDown={(e) => {
         // prevent toolbar from taking focus away from editor

frontend/appflowy_tauri/src/appflowy_app/components/editor/plugins/constants.ts

@@ -1,5 +1,3 @@
 import { EditorNodeType } from '$app/application/document/document.types';
 
-export const BREAK_TO_PARAGRAPH_TYPES = [EditorNodeType.HeadingBlock, EditorNodeType.QuoteBlock, EditorNodeType.Page];
-
 export const SOFT_BREAK_TYPES = [EditorNodeType.CalloutBlock, EditorNodeType.CodeBlock];

frontend/appflowy_tauri/src/appflowy_app/components/editor/plugins/utils.ts

@@ -1,6 +1,6 @@
-import { Editor, Element, Location, NodeEntry, Point, Range } from 'slate';
-import { EditorNodeType } from '$app/application/document/document.types';
+import { Element, NodeEntry } from 'slate';
 import { ReactEditor } from 'slate-react';
+import { CustomEditor } from '$app/components/editor/command';
 
 export function getHeadingCssProperty(level: number) {
   switch (level) {
@@ -15,45 +15,16 @@ export function getHeadingCssProperty(level: number) {
   }
 }
 
-export function isDeleteBackwardAtStartOfBlock(editor: ReactEditor, type?: EditorNodeType) {
-  const { selection } = editor;
+export function getBlock(editor: ReactEditor) {
+  const match = CustomEditor.getBlock(editor);
 
-  if (selection && Range.isCollapsed(selection)) {
-    const [match] = Editor.nodes(editor, {
-      match: (n) => !Editor.isEditor(n) && Element.isElement(n) && Editor.isBlock(editor, n),
-    });
+  if (match) {
+    const [node] = match as NodeEntry<Element>;
 
-    if (match) {
-      const [node, path] = match as NodeEntry<Element>;
-
-      if (type !== undefined && node.type !== type) return false;
-
-      const start = Editor.start(editor, path);
-
-      if (Point.equals(selection.anchor, start)) {
-        return true;
-      }
-    }
+    return node;
   }
 
-  return false;
-}
-
-export function getBlockEntry(editor: ReactEditor, at?: Location) {
-  if (!editor.selection) return null;
-
-  const entry = Editor.above(editor, {
-    at,
-    match: (n) => !Editor.isEditor(n) && Element.isElement(n),
-  });
-
-  return entry as NodeEntry<Element>;
-}
-
-export function getBlock(editor: ReactEditor, at?: Location) {
-  const entry = getBlockEntry(editor, at);
-
-  return entry?.[0];
+  return;
 }
 
 export function getEditorDomNode(editor: ReactEditor) {

frontend/appflowy_tauri/src/appflowy_app/components/editor/plugins/withBlockDeleteBackward.ts

@@ -1,24 +1,24 @@
 import { ReactEditor } from 'slate-react';
 
-import { isDeleteBackwardAtStartOfBlock } from '$app/components/editor/plugins/utils';
 import { EditorNodeType } from '$app/application/document/document.types';
-import { Editor, Element, NodeEntry } from 'slate';
 import { CustomEditor } from '$app/components/editor/command';
 
 export function withBlockDeleteBackward(editor: ReactEditor) {
-  const { deleteBackward } = editor;
+  const { deleteBackward, removeNodes } = editor;
 
-  editor.deleteBackward = (...args) => {
-    if (!isDeleteBackwardAtStartOfBlock(editor)) {
-      deleteBackward(...args);
+  editor.removeNodes = (...args) => {
+    removeNodes(...args);
+  };
+
+  editor.deleteBackward = (unit) => {
+    const match = CustomEditor.getBlock(editor);
+
+    if (!match || !CustomEditor.focusAtStartOfBlock(editor)) {
+      deleteBackward(unit);
       return;
     }
 
-    const [match] = Editor.nodes(editor, {
-      match: (n) => !Editor.isEditor(n) && Element.isElement(n) && Editor.isBlock(editor, n),
-    });
-
-    const [node] = match as NodeEntry<Element>;
+    const [node, path] = match;
 
     // if the current node is not a paragraph, convert it to a paragraph
     if (node.type !== EditorNodeType.Paragraph && node.type !== EditorNodeType.Page) {
@@ -26,26 +26,24 @@ export function withBlockDeleteBackward(editor: ReactEditor) {
       return;
     }
 
-    const level = node.level;
+    const next = editor.next({
+      at: path,
+    });
 
-    if (!level) {
-      deleteBackward(...args);
-      return;
-    }
-
-    const nextNode = CustomEditor.findNextNode(editor, node, level);
-
-    if (nextNode) {
-      deleteBackward(...args);
-      return;
-    }
-
-    if (level > 1) {
+    if (!next && path.length > 1) {
       CustomEditor.tabBackward(editor);
       return;
     }
 
-    deleteBackward(...args);
+    const [, ...children] = node.children;
+
+    deleteBackward(unit);
+
+    children.forEach((child, index) => {
+      editor.liftNodes({
+        at: [...path, index],
+      });
+    });
   };
 
   return editor;

frontend/appflowy_tauri/src/appflowy_app/components/editor/plugins/withBlockInsertBreak.ts

@@ -1,5 +1,4 @@
 import { ReactEditor } from 'slate-react';
-import { Editor, Element, NodeEntry } from 'slate';
 import { EditorNodeType } from '$app/application/document/document.types';
 import { CustomEditor } from '$app/components/editor/command';
 
@@ -7,24 +6,17 @@ export function withBlockInsertBreak(editor: ReactEditor) {
   const { insertBreak } = editor;
 
   editor.insertBreak = (...args) => {
-    const nodeEntry = Editor.above(editor, {
-      match: (n) => !Editor.isEditor(n) && Element.isElement(n) && Editor.isBlock(editor, n),
-    });
+    const block = CustomEditor.getBlock(editor);
 
-    if (!nodeEntry) return insertBreak(...args);
+    if (!block) return insertBreak(...args);
 
-    const [node] = nodeEntry as NodeEntry<Element>;
+    const [node] = block;
     const type = node.type as EditorNodeType;
 
-    if (type === EditorNodeType.Page) {
-      insertBreak(...args);
-      return;
-    }
-
-    const isEmpty = Editor.isEmpty(editor, node);
+    const isEmpty = CustomEditor.isEmptyText(editor, node);
 
     // if the node is empty, convert it to a paragraph
-    if (isEmpty && type !== EditorNodeType.Paragraph) {
+    if (isEmpty && type !== EditorNodeType.Paragraph && type !== EditorNodeType.Page) {
       CustomEditor.turnToBlock(editor, { type: EditorNodeType.Paragraph });
       return;
     }

frontend/appflowy_tauri/src/appflowy_app/components/editor/plugins/withBlockMove.ts

@@ -0,0 +1,120 @@
+import { ReactEditor } from 'slate-react';
+import { generateId } from '$app/components/editor/provider/utils/convert';
+import { Editor, Element, Location, NodeEntry, Path, Transforms } from 'slate';
+import { EditorNodeType } from '$app/application/document/document.types';
+
+export function withBlockMove(editor: ReactEditor) {
+  const { moveNodes } = editor;
+
+  editor.moveNodes = (args) => {
+    const { to } = args;
+
+    moveNodes(args);
+
+    replaceId(editor, to);
+  };
+
+  editor.liftNodes = (args = {}) => {
+    Editor.withoutNormalizing(editor, () => {
+      const { at = editor.selection, mode = 'lowest', voids = false } = args;
+      let { match } = args;
+
+      if (!match) {
+        match = (n) => Element.isElement(n) && Editor.isBlock(editor, n) && n.blockId !== undefined;
+      }
+
+      if (!at) {
+        return;
+      }
+
+      const matches = Editor.nodes(editor, { at, match, mode, voids });
+      const pathRefs = Array.from(matches, ([, p]) => Editor.pathRef(editor, p));
+
+      for (const pathRef of pathRefs) {
+        const path = pathRef.unref();
+
+        if (!path) return;
+        if (path.length < 2) {
+          throw new Error(`Cannot lift node at a path [${path}] because it has a depth of less than \`2\`.`);
+        }
+
+        const parentNodeEntry = Editor.node(editor, Path.parent(path));
+        const [parent, parentPath] = parentNodeEntry as NodeEntry<Element>;
+        const index = path[path.length - 1];
+        const { length } = parent.children;
+
+        if (length === 1) {
+          const toPath = Path.next(parentPath);
+
+          Transforms.moveNodes(editor, { at: path, to: toPath, voids });
+          Transforms.removeNodes(editor, { at: parentPath, voids });
+        } else if (index === 0) {
+          Transforms.moveNodes(editor, { at: path, to: parentPath, voids });
+        } else if (index === length - 1) {
+          const toPath = Path.next(parentPath);
+
+          Transforms.moveNodes(editor, { at: path, to: toPath, voids });
+        } else {
+          const toPath = Path.next(parentPath);
+
+          parent.children.forEach((child, childIndex) => {
+            if (childIndex > index) {
+              Transforms.moveNodes(editor, {
+                at: [...parentPath, index + 1],
+                to: [...path, childIndex - index],
+                mode: 'all',
+              });
+            }
+          });
+
+          Transforms.moveNodes(editor, { at: path, to: toPath, voids });
+        }
+      }
+    });
+  };
+
+  return editor;
+}
+
+function replaceId(editor: Editor, at?: Location) {
+  const newBlockId = generateId();
+  const newTextId = generateId();
+
+  const selection = editor.selection;
+
+  const location = at || selection;
+
+  if (!location) return;
+
+  const [node, path] = editor.node(location) as NodeEntry<Element>;
+
+  if (node.blockId === undefined) {
+    return;
+  }
+
+  const [textNode, ...children] = node.children as Element[];
+
+  editor.setNodes(
+    {
+      blockId: newBlockId,
+    },
+    {
+      at,
+    }
+  );
+
+  if (textNode.type === EditorNodeType.Text) {
+    editor.setNodes(
+      {
+        textId: newTextId,
+      },
+      {
+        at: [...path, 0],
+      }
+    );
+  }
+
+  children.forEach((_, index) => {
+    replaceId(editor, [...path, index + 1]);
+  });
+}

frontend/appflowy_tauri/src/appflowy_app/components/editor/plugins/withBlockPlugins.ts

@@ -2,16 +2,27 @@ import { ReactEditor } from 'slate-react';
 
 import { withBlockDeleteBackward } from '$app/components/editor/plugins/withBlockDeleteBackward';
 import { withBlockInsertBreak } from '$app/components/editor/plugins/withBlockInsertBreak';
-import { withMergeNodes } from '$app/components/editor/plugins/withMergeNodes';
 import { withSplitNodes } from '$app/components/editor/plugins/withSplitNodes';
-import { withDatabaseBlockPlugin } from '$app/components/editor/components/blocks/database';
-import { withMathEquationPlugin } from '$app/components/editor/components/blocks/math_equation';
 import { withPasted } from '$app/components/editor/plugins/withPasted';
+import { withBlockMove } from '$app/components/editor/plugins/withBlockMove';
+import { EditorNodeType } from '$app/application/document/document.types';
+
+const EmbedTypes: string[] = [EditorNodeType.DividerBlock, EditorNodeType.EquationBlock, EditorNodeType.GridBlock];
 
 export function withBlockPlugins(editor: ReactEditor) {
-  return withMathEquationPlugin(
-    withPasted(
-      withDatabaseBlockPlugin(withSplitNodes(withMergeNodes(withBlockInsertBreak(withBlockDeleteBackward(editor)))))
-    )
-  );
+  const { isElementReadOnly, isSelectable, isEmpty } = editor;
+
+  editor.isElementReadOnly = (element) => {
+    return EmbedTypes.includes(element.type) || isElementReadOnly(element);
+  };
+
+  editor.isSelectable = (element) => {
+    return !EmbedTypes.includes(element.type) && isSelectable(element);
+  };
+
+  editor.isEmpty = (element) => {
+    return !EmbedTypes.includes(element.type) && isEmpty(element);
+  };
+
+  return withPasted(withBlockMove(withSplitNodes(withBlockInsertBreak(withBlockDeleteBackward(editor)))));
 }

frontend/appflowy_tauri/src/appflowy_app/components/editor/plugins/withMergeNodes.ts

@@ -1,106 +0,0 @@
-import { ReactEditor } from 'slate-react';
-import { Editor, Element, NodeEntry, Node, Transforms, Point, Path } from 'slate';
-import { CustomEditor } from '$app/components/editor/command';
-import { YjsEditor } from '@slate-yjs/core';
-import { EditorNodeType } from '$app/application/document/document.types';
-
-export function withMergeNodes(editor: ReactEditor) {
-  const { mergeNodes, removeNodes } = editor;
-
-  editor.removeNodes = (...args) => {
-    const isDeleteRoot = args.some((arg) => {
-      return (
-        arg?.at &&
-        (arg.at as Path).length === 1 &&
-        (arg.at as Path)[0] === 0 &&
-        (editor.children[0] as Element).type === EditorNodeType.Page
-      );
-    });
-
-    // the root node cannot be deleted
-    if (isDeleteRoot) return;
-    removeNodes(...args);
-  };
-
-  editor.mergeNodes = (...args) => {
-    const isBlock = (n: Node) =>
-      !Editor.isEditor(n) && Element.isElement(n) && n.type !== undefined && n.level !== undefined;
-
-    const [merged] = Editor.nodes(editor, {
-      match: isBlock,
-    });
-
-    if (!merged) {
-      mergeNodes(...args);
-      return;
-    }
-
-    const [mergedNode, path] = merged as NodeEntry<Element & { level: number; blockId: string }>;
-    const root = editor.children[0] as Element & {
-      blockId: string;
-      level: number;
-    };
-    const selection = editor.selection;
-    const start = Editor.start(editor, path);
-
-    if (
-      root.type === EditorNodeType.Page &&
-      mergedNode.type === EditorNodeType.Paragraph &&
-      selection &&
-      Point.equals(selection.anchor, start) &&
-      path[0] === 1
-    ) {
-      if (Editor.isEmpty(editor, root)) {
-        const text = Editor.string(editor, path);
-
-        editor.select([0]);
-        editor.insertText(text);
-        editor.removeNodes({ at: path });
-        // move children to root
-        moveNodes(editor, 1, root.blockId, (n) => {
-          return n.parentId === mergedNode.blockId;
-        });
-
-        return;
-      }
-    }
-
-    const nextNode = editor.children[path[0] + 1] as Element & { level: number };
-
-    mergeNodes(...args);
-
-    if (!nextNode) {
-      CustomEditor.insertEmptyLineAtEnd(editor as ReactEditor & YjsEditor);
-      return;
-    }
-
-    if (mergedNode.blockId === nextNode.parentId) {
-      // the node will be deleted when the node has no text
-      if (mergedNode.children.length === 1 && 'text' in mergedNode.children[0] && mergedNode.children[0].text === '') {
-        moveNodes(editor, root.level + 1, root.blockId, (n) => n.parentId === mergedNode.blockId);
-      }
-
-      return;
-    }
-
-    // check if the old node is removed
-    const oldNodeRemoved = !editor.children.some((child) => (child as Element).blockId === nextNode.parentId);
-
-    if (oldNodeRemoved) {
-      // if the old node is removed, we need to move the children of the old node to the new node
-      moveNodes(editor, mergedNode.level + 1, mergedNode.blockId, (n) => {
-        return n.parentId === nextNode.parentId;
-      });
-    }
-  };
-
-  return editor;
-}
-
-function moveNodes(editor: ReactEditor, level: number, parentId: string, match: (n: Element) => boolean) {
-  editor.children.forEach((child, index) => {
-    if (match(child as Element)) {
-      Transforms.setNodes(editor, { level, parentId }, { at: [index] });
-    }
-  });
-}

frontend/appflowy_tauri/src/appflowy_app/components/editor/plugins/withPasted.ts

@@ -1,12 +1,12 @@
 import { ReactEditor } from 'slate-react';
 import { convertBlockToJson } from '$app/application/document/document.service';
-import { Editor, Element } from 'slate';
+import { Editor, Element, NodeEntry, Path, Location, Range } from 'slate';
 import { generateId } from '$app/components/editor/provider/utils/convert';
-import { blockTypes, EditorNodeType } from '$app/application/document/document.types';
+import { EditorNodeType } from '$app/application/document/document.types';
 import { InputType } from '@/services/backend';
 
 export function withPasted(editor: ReactEditor) {
-  const { insertData, insertFragment } = editor;
+  const { insertData } = editor;
 
   editor.insertData = (data) => {
     const fragment = data.getData('application/x-slate-fragment');
@@ -30,90 +30,113 @@ export function withPasted(editor: ReactEditor) {
     insertData(data);
   };
 
-  editor.insertFragment = (fragment) => {
-    let rootId = (editor.children[0] as Element)?.blockId;
+  editor.insertFragment = (fragment, options = {}) => {
+    Editor.withoutNormalizing(editor, () => {
+      const { at = getDefaultInsertLocation(editor) } = options;
 
-    if (!rootId) {
-      rootId = generateId();
-      insertFragment([
-        {
-          type: EditorNodeType.Paragraph,
-          children: [
-            {
-              text: '',
-            },
-          ],
-          data: {},
-          blockId: rootId,
-          textId: generateId(),
-          parentId: '',
-          level: 0,
-        },
-      ]);
-    }
+      if (!fragment.length) {
+        return;
+      }
 
-    const [mergedMatch] = Editor.nodes(editor, {
-      match: (n) => !Editor.isEditor(n) && Element.isElement(n) && n.type !== undefined,
-    });
+      if (Range.isRange(at) && !Range.isCollapsed(at)) {
+        editor.delete({
+          unit: 'character',
+        });
+      }
 
-    const mergedNode = mergedMatch
-      ? (mergedMatch[0] as Element & {
-          blockId: string;
-          parentId: string;
-          level: number;
-        })
-      : null;
+      const mergedText = editor.above({
+        match: (n) => !Editor.isEditor(n) && Element.isElement(n) && n.type === EditorNodeType.Text,
+      }) as NodeEntry<
+        Element & {
+          textId: string;
+        }
+      >;
 
-    if (!mergedNode) return insertFragment(fragment);
+      if (!mergedText) return;
 
-    const isEmpty = Editor.isEmpty(editor, mergedNode);
+      const [mergedTextNode, mergedTextNodePath] = mergedText;
 
-    const mergedNodeId = isEmpty ? undefined : mergedNode.blockId;
+      const traverse = (node: Element) => {
+        if (node.type === EditorNodeType.Text) {
+          node.textId = generateId();
+          return;
+        }
 
-    const idMap = new Map<string, string>();
-    const levelMap = new Map<string, number>();
-
-    for (let i = 0; i < fragment.length; i++) {
-      const node = fragment[i] as Element & {
-        blockId: string;
-        parentId: string;
-        level: number;
+        node.blockId = generateId();
+        node.children?.forEach((child) => traverse(child as Element));
       };
 
-      const newBlockId = i === 0 && mergedNodeId ? mergedNodeId : generateId();
+      fragment?.forEach((node) => traverse(node as Element));
 
-      const parentId = idMap.get(node.parentId);
+      const firstNode = fragment[0] as Element;
 
-      if (parentId) {
-        node.parentId = parentId;
-      } else {
-        idMap.set(node.parentId, mergedNode.parentId);
-        node.parentId = mergedNode.parentId;
+      if (firstNode && firstNode.type !== 'text') {
+        if (firstNode.children && firstNode.children.length > 0) {
+          const [textNode, ...children] = firstNode.children;
+
+          fragment[0] = textNode;
+          fragment.splice(1, 0, ...children);
+        } else {
+          fragment.unshift(getEmptyText());
+        }
       }
 
-      const parentLevel = levelMap.get(node.parentId);
+      editor.insertNodes((fragment[0] as Element).children, {
+        at: [...mergedTextNodePath, mergedTextNode.children.length],
+      });
+      editor.select(mergedTextNodePath);
+      editor.collapse({
+        edge: 'end',
+      });
+      const otherNodes = fragment.slice(1);
 
-      if (parentLevel !== undefined) {
-        node.level = parentLevel + 1;
-      } else {
-        levelMap.set(node.parentId, mergedNode.level - 1);
-        node.level = mergedNode.level;
+      if (otherNodes.length > 0) {
+        const parentPath = Path.parent(mergedTextNodePath);
+
+        const nextPath = Path.next(parentPath);
+        const lastNodeText = (otherNodes[otherNodes.length - 1] as Element).children?.[0] as Element;
+
+        let canSelect = true;
+
+        if (!lastNodeText || lastNodeText.type !== EditorNodeType.Text) {
+          canSelect = false;
+        }
+
+        editor.insertNodes(otherNodes, {
+          at: nextPath,
+          select: canSelect,
+        });
+
+        if (canSelect) {
+          editor.collapse({
+            edge: 'end',
+          });
+        }
       }
-
-      // if the pasted fragment is not matched with the block type, we need to convert it to paragraph
-      // and if the pasted fragment is a page, we need to convert it to paragraph
-      if (!blockTypes.includes(node.type as EditorNodeType) || node.type === EditorNodeType.Page) {
-        node.type = EditorNodeType.Paragraph;
-      }
-
-      idMap.set(node.blockId, newBlockId);
-      levelMap.set(newBlockId, node.level);
-      node.blockId = newBlockId;
-      node.textId = generateId();
-    }
-
-    return insertFragment(fragment);
+    });
   };
 
   return editor;
 }
+
+function getEmptyText(): Element {
+  return {
+    type: EditorNodeType.Text,
+    textId: generateId(),
+    children: [
+      {
+        text: '',
+      },
+    ],
+  };
+}
+
+export const getDefaultInsertLocation = (editor: Editor): Location => {
+  if (editor.selection) {
+    return editor.selection;
+  } else if (editor.children.length > 0) {
+    return Editor.end(editor, []);
+  } else {
+    return [0];
+  }
+};

frontend/appflowy_tauri/src/appflowy_app/components/editor/plugins/withSplitNodes.ts

@@ -1,9 +1,10 @@
 import { ReactEditor } from 'slate-react';
-import { Editor, Element, NodeEntry, Transforms } from 'slate';
-import { EditorMarkFormat, EditorNodeType, markTypes, ToggleListNode } from '$app/application/document/document.types';
+import { Transforms, Editor, Element, NodeEntry, Path } from 'slate';
+import { EditorNodeType, ToggleListNode } from '$app/application/document/document.types';
 import { CustomEditor } from '$app/components/editor/command';
-import { BREAK_TO_PARAGRAPH_TYPES } from '$app/components/editor/plugins/constants';
 import { generateId } from '$app/components/editor/provider/utils/convert';
+import cloneDeep from 'lodash-es/cloneDeep';
+import { SOFT_BREAK_TYPES } from '$app/components/editor/plugins/constants';
 
 export function withSplitNodes(editor: ReactEditor) {
   const { splitNodes } = editor;
@@ -16,102 +17,90 @@ export function withSplitNodes(editor: ReactEditor) {
       return;
     }
 
-    // This is a workaround for the bug that the new paragraph will inherit the marks of the previous paragraph
-    // remove all marks in current selection, otherwise the new paragraph will inherit the marks
-    markTypes.forEach((markType) => {
-      const isActive = CustomEditor.isMarkActive(editor, markType as EditorMarkFormat);
-
-      if (isActive) {
-        editor.removeMark(markType as EditorMarkFormat);
-      }
-    });
-
-    const [match] = Editor.nodes(editor, {
-      match: (n) => !Editor.isEditor(n) && Element.isElement(n) && n.blockId !== undefined && n.type !== undefined,
-    });
+    const match = CustomEditor.getBlock(editor);
 
     if (!match) {
       splitNodes(...args);
       return;
     }
 
-    const [node, path] = match as NodeEntry<Element>;
+    const [node, path] = match;
+    const nodeType = node.type as EditorNodeType;
 
     const newBlockId = generateId();
     const newTextId = generateId();
 
-    const nodeType = node.type as EditorNodeType;
-
-    // should be split to a new paragraph for the first child of the toggle list
-    if (nodeType === EditorNodeType.ToggleListBlock) {
-      const collapsed = (node as ToggleListNode).data.collapsed;
-      const level = node.level ?? 1;
-      const blockId = node.blockId as string;
-      const parentId = node.parentId as string;
-
-      // if the toggle list is collapsed, split to a new paragraph append to the children of the toggle list
-      if (!collapsed) {
-        splitNodes(...args);
-        Transforms.setNodes(editor, {
-          type: EditorNodeType.Paragraph,
-          data: {},
-          level: level + 1,
-          blockId: newBlockId,
-          parentId: blockId,
-          textId: newTextId,
-        });
-      } else {
-        // if the toggle list is not collapsed, split to a toggle list after the toggle list
-        const nextNode = CustomEditor.findNextNode(editor, node, level);
-        const nextIndex = nextNode ? ReactEditor.findPath(editor, nextNode)[0] : null;
-        const index = path[0];
-
-        splitNodes(...args);
-        Transforms.setNodes(editor, { level, data: {}, blockId: newBlockId, parentId, textId: newTextId });
-        if (nextIndex) {
-          Transforms.moveNodes(editor, { at: [index + 1], to: [nextIndex] });
-        }
-      }
-
-      return;
-    }
-
-    // should be split to another paragraph, eg: heading and quote and page
-    if (BREAK_TO_PARAGRAPH_TYPES.includes(nodeType)) {
-      const level = node.level || 1;
-      const parentId = (node.parentId || node.blockId) as string;
-
-      splitNodes(...args);
-      Transforms.setNodes(editor, {
-        type: EditorNodeType.Paragraph,
-        data: {},
-        blockId: newBlockId,
-        textId: newTextId,
-        level,
-        parentId,
-      });
-      return;
-    }
-
     splitNodes(...args);
 
-    Transforms.setNodes(editor, { blockId: newBlockId, data: {}, textId: newTextId });
-
-    const children = CustomEditor.findNodeChildren(editor, node);
-
-    children.forEach((child) => {
-      const childPath = ReactEditor.findPath(editor, child);
-
-      Transforms.setNodes(
-        editor,
-        {
-          parentId: newBlockId,
-        },
-        {
-          at: [childPath[0] + 1],
-        }
-      );
+    const matchTextNode = editor.above({
+      match: (n) => !Editor.isEditor(n) && Element.isElement(n) && n.type === EditorNodeType.Text,
     });
+
+    if (!matchTextNode) return;
+    const [textNode, textNodePath] = matchTextNode as NodeEntry<Element>;
+
+    editor.removeNodes({
+      at: textNodePath,
+    });
+
+    const newNodeType = [
+      EditorNodeType.HeadingBlock,
+      EditorNodeType.QuoteBlock,
+      EditorNodeType.Page,
+      ...SOFT_BREAK_TYPES,
+    ].includes(node.type as EditorNodeType)
+      ? EditorNodeType.Paragraph
+      : node.type;
+
+    const newNode: Element = {
+      type: newNodeType,
+      data: {},
+      blockId: newBlockId,
+      children: [
+        {
+          ...cloneDeep(textNode),
+          textId: newTextId,
+        },
+      ],
+    };
+    let newNodePath;
+
+    if (nodeType === EditorNodeType.ToggleListBlock) {
+      const collapsed = (node as ToggleListNode).data.collapsed;
+
+      if (!collapsed) {
+        newNode.type = EditorNodeType.Paragraph;
+        newNodePath = textNodePath;
+      } else {
+        newNode.type = EditorNodeType.ToggleListBlock;
+        newNodePath = Path.next(path);
+      }
+
+      Transforms.insertNodes(editor, newNode, {
+        at: newNodePath,
+        select: true,
+      });
+
+      CustomEditor.removeMarks(editor);
+      return;
+    }
+
+    newNodePath = textNodePath;
+
+    Transforms.insertNodes(editor, newNode, {
+      at: newNodePath,
+    });
+
+    editor.select(newNodePath);
+    editor.collapse({
+      edge: 'start',
+    });
+
+    editor.liftNodes({
+      at: newNodePath,
+    });
+
+    CustomEditor.removeMarks(editor);
   };
 
   return editor;

frontend/appflowy_tauri/src/appflowy_app/components/editor/provider/__tests__/action.test.ts

@@ -24,8 +24,7 @@ describe('Transform events to actions', () => {
   test('should transform insert event to insert action', () => {
     const sharedType = provider.sharedType;
 
-    const parentId = sharedType?.getAttribute('blockId') as string;
-    const insertTextOp = generateInsertTextOp('insert text', parentId, 1);
+    const insertTextOp = generateInsertTextOp('insert text');
 
     sharedType?.applyDelta([{ retain: 2 }, insertTextOp]);
 
@@ -43,24 +42,6 @@ describe('Transform events to actions', () => {
     expect(actions[1].payload.prev_id).toBe('2qonPRrNTO');
   });
 
-  test('should transform move event to move action', () => {
-    const sharedType = provider.sharedType;
-
-    const parentId = 'CxPil0324P';
-    const yText = sharedType?.toDelta()[4].insert as Y.XmlText;
-    sharedType?.doc?.transact(() => {
-      yText.setAttribute('level', 2);
-      yText.setAttribute('parentId', parentId);
-    });
-
-    const actions = applyActions.mock.calls[0][1];
-    expect(actions).toHaveLength(1);
-    expect(actions[0].action).toBe(BlockActionTypePB.Move);
-    expect(actions[0].payload.block.id).toBe('Fn4KACkt1i');
-    expect(actions[0].payload.parent_id).toBe('CxPil0324P');
-    expect(actions[0].payload.prev_id).toBe('');
-  });
-
   test('should transform delete event to delete action', () => {
     const sharedType = provider.sharedType;
 
@@ -72,7 +53,6 @@ describe('Transform events to actions', () => {
     expect(actions).toHaveLength(1);
     expect(actions[0].action).toBe(BlockActionTypePB.Delete);
     expect(actions[0].payload.block.id).toBe('Fn4KACkt1i');
-    expect(actions[0].payload.parent_id).toBe('3EzeCrtxlh');
   });
 
   test('should transform update event to update action', () => {
@@ -90,17 +70,17 @@ describe('Transform events to actions', () => {
     expect(actions[0].action).toBe(BlockActionTypePB.Update);
     expect(actions[0].payload.block.id).toBe('Fn4KACkt1i');
     expect(actions[0].payload.block.data).toBe('{"checked":true}');
-    expect(actions[0].payload.parent_id).toBe('3EzeCrtxlh');
   });
 
   test('should transform apply delta event to apply delta action (insert text)', () => {
     const sharedType = provider.sharedType;
 
-    const yText = sharedType?.toDelta()[4].insert as Y.XmlText;
+    const blockYText = sharedType?.toDelta()[4].insert as Y.XmlText;
+    const textYText = blockYText.toDelta()[0].insert as Y.XmlText;
     sharedType?.doc?.transact(() => {
-      yText.applyDelta([{ retain: 1 }, { insert: 'apply delta' }]);
+      textYText.applyDelta([{ retain: 1 }, { insert: 'apply delta' }]);
     });
-    const textId = yText.getAttribute('textId');
+    const textId = textYText.getAttribute('textId');
 
     const actions = applyActions.mock.calls[0][1];
     expect(actions).toHaveLength(1);
@@ -112,7 +92,8 @@ describe('Transform events to actions', () => {
   test('should transform apply delta event to apply delta action: insert mention', () => {
     const sharedType = provider.sharedType;
 
-    const yText = sharedType?.toDelta()[4].insert as Y.XmlText;
+    const blockYText = sharedType?.toDelta()[4].insert as Y.XmlText;
+    const yText = blockYText.toDelta()[0].insert as Y.XmlText;
     sharedType?.doc?.transact(() => {
       yText.applyDelta([{ retain: 1 }, genersteMentionInsertTextOp()]);
     });
@@ -126,7 +107,8 @@ describe('Transform events to actions', () => {
   test('should transform apply delta event to apply delta action: insert formula', () => {
     const sharedType = provider.sharedType;
 
-    const yText = sharedType?.toDelta()[4].insert as Y.XmlText;
+    const blockYText = sharedType?.toDelta()[4].insert as Y.XmlText;
+    const yText = blockYText.toDelta()[0].insert as Y.XmlText;
     sharedType?.doc?.transact(() => {
       yText.applyDelta([{ retain: 1 }, generateFormulaInsertTextOp()]);
     });

frontend/appflowy_tauri/src/appflowy_app/components/editor/provider/__tests__/observe.test.ts

@@ -30,7 +30,7 @@ describe('Provider connected', () => {
     const sharedType = provider.sharedType;
 
     const parentId = sharedType?.getAttribute('blockId') as string;
-    const insertTextOp = generateInsertTextOp('', parentId, 1);
+    const insertTextOp = generateInsertTextOp('');
 
     sharedType?.applyDelta([{ retain: 2 }, insertTextOp]);
 

frontend/appflowy_tauri/src/appflowy_app/components/editor/provider/__tests__/utils/convert.ts

@@ -26,20 +26,26 @@ export function slateElementToYText({
 }
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
-export function generateInsertTextOp(text: string, parentId: string, level: number, attributes?: Record<string, any>) {
+export function generateInsertTextOp(text: string) {
   const insertYText = slateElementToYText({
-    children: [{ text: text }],
+    children: [
+      {
+        type: 'text',
+        textId: generateId(),
+        children: [
+          {
+            text,
+          },
+        ],
+      },
+    ],
     type: 'paragraph',
     data: {},
     blockId: generateId(),
-    parentId,
-    textId: generateId(),
-    level,
   });
 
   return {
     insert: insertYText,
-    attributes,
   };
 }
 

frontend/appflowy_tauri/src/appflowy_app/components/editor/provider/data_client.ts

@@ -32,7 +32,9 @@ export class DataClient extends EventEmitter {
 
     this.rootId = data.rootId;
 
-    return slateNodesToInsertDelta(convertToSlateValue(data, includeRoot));
+    const slateValue = convertToSlateValue(data, includeRoot);
+
+    return slateNodesToInsertDelta(slateValue);
   }
 
   public on(event: 'change', listener: (events: YDelta) => void): this;

frontend/appflowy_tauri/src/appflowy_app/components/editor/provider/provider.ts

@@ -1,7 +1,6 @@
 import * as Y from 'yjs';
 
 import { DataClient } from '$app/components/editor/provider/data_client';
-import { convertToIdList, fillIdRelationMap } from '$app/components/editor/provider/utils/relation';
 import { YDelta } from '$app/components/editor/provider/types/y_event';
 import { YEvents2BlockActions } from '$app/components/editor/provider/utils/action';
 import { EventEmitter } from 'events';
@@ -10,34 +9,27 @@ const REMOTE_ORIGIN = 'remote';
 
 export class Provider extends EventEmitter {
   document: Y.Doc = new Y.Doc();
-  // id order
-  idList: Y.XmlText = this.document.get('idList', Y.XmlText) as Y.XmlText;
-  // id -> parentId
-  idRelationMap: Y.Map<string> = this.document.getMap('idRelationMap');
   sharedType: Y.XmlText | null = null;
   dataClient: DataClient;
+  // get origin data after document updated
+  backupDoc: Y.Doc = new Y.Doc();
   constructor(public id: string, includeRoot?: boolean) {
     super();
     this.dataClient = new DataClient(id);
     void this.initialDocument(includeRoot);
+    this.document.on('update', this.documentUpdate);
   }
 
   initialDocument = async (includeRoot = true) => {
-    const sharedType = this.document.get('local', Y.XmlText) as Y.XmlText;
-
+    const sharedType = this.document.get('sharedType', Y.XmlText) as Y.XmlText;
     // Load the initial value into the yjs document
     const delta = await this.dataClient.getInsertDelta(includeRoot);
 
     sharedType.applyDelta(delta);
 
-    this.idList.applyDelta(convertToIdList(delta));
-    delta.forEach((op) => {
-      if (op.insert instanceof Y.XmlText) {
-        fillIdRelationMap(op.insert, this.idRelationMap);
-      }
-    });
+    const rootId = this.dataClient.rootId as string;
 
-    sharedType.setAttribute('blockId', this.dataClient.rootId);
+    sharedType.setAttribute('blockId', rootId);
 
     this.sharedType = sharedType;
     this.sharedType?.observeDeep(this.onChange);
@@ -63,7 +55,7 @@ export class Provider extends EventEmitter {
 
     if (!this.sharedType || !events.length) return;
     // transform events to actions
-    this.dataClient.emit('update', YEvents2BlockActions(this.sharedType, events));
+    this.dataClient.emit('update', YEvents2BlockActions(this.backupDoc, events));
   };
 
   onRemoteChange = (delta: YDelta) => {
@@ -73,4 +65,8 @@ export class Provider extends EventEmitter {
       this.sharedType?.applyDelta(delta);
     }, REMOTE_ORIGIN);
   };
+
+  documentUpdate = (update: Uint8Array) => {
+    Y.applyUpdate(this.backupDoc, update);
+  };
 }

frontend/appflowy_tauri/src/appflowy_app/components/editor/provider/utils/action.ts

@@ -3,9 +3,175 @@ import { BlockActionPB, BlockActionTypePB } from '@/services/backend';
 import { generateId } from '$app/components/editor/provider/utils/convert';
 import { YDelta2Delta } from '$app/components/editor/provider/utils/delta';
 import { YDelta } from '$app/components/editor/provider/types/y_event';
-import { convertToIdList, fillIdRelationMap, findPreviousSibling } from '$app/components/editor/provider/utils/relation';
+import { getInsertTarget, getYTarget } from '$app/components/editor/provider/utils/relation';
+import { EditorNodeType } from '$app/application/document/document.types';
+import { Log } from '$app/utils/log';
 
-export function generateUpdateDataActions(yXmlText: Y.XmlText, data: Record<string, string | boolean>) {
+export function YEvents2BlockActions(
+  backupDoc: Readonly<Y.Doc>,
+  events: Y.YEvent<Y.XmlText>[]
+): ReturnType<typeof BlockActionPB.prototype.toObject>[] {
+  const actions: ReturnType<typeof BlockActionPB.prototype.toObject>[] = [];
+
+  events.forEach((event) => {
+    const eventActions = YEvent2BlockActions(backupDoc, event);
+
+    if (eventActions.length === 0) return;
+
+    actions.push(...eventActions);
+  });
+
+  return actions;
+}
+
+export function YEvent2BlockActions(
+  backupDoc: Readonly<Y.Doc>,
+  event: Y.YEvent<Y.XmlText>
+): ReturnType<typeof BlockActionPB.prototype.toObject>[] {
+  const { target: yXmlText, keys, delta, path } = event;
+  const isBlockEvent = !!yXmlText.getAttribute('blockId');
+  const sharedType = backupDoc.get('sharedType', Y.XmlText) as Readonly<Y.XmlText>;
+  const rootId = sharedType.getAttribute('blockId');
+
+  const backupTarget = getYTarget(backupDoc, path) as Readonly<Y.XmlText>;
+  const actions = [];
+
+  if (yXmlText.getAttribute('type') === 'text') {
+    actions.push(...textOps2BlockActions(rootId, yXmlText, delta));
+  }
+
+  if (keys.size > 0) {
+    actions.push(...dataOps2BlockActions(yXmlText, keys));
+  }
+
+  if (isBlockEvent) {
+    actions.push(...blockOps2BlockActions(backupTarget, delta));
+  }
+
+  return actions;
+}
+
+function textOps2BlockActions(
+  rootId: string,
+  yXmlText: Y.XmlText,
+  ops: YDelta
+): ReturnType<typeof BlockActionPB.prototype.toObject>[] {
+  if (ops.length === 0) return [];
+  const blockYXmlText = yXmlText.parent as Y.XmlText;
+  const blockId = blockYXmlText.getAttribute('blockId');
+
+  if (blockId === rootId) {
+    return [];
+  }
+
+  return generateApplyTextActions(yXmlText, ops);
+}
+
+function dataOps2BlockActions(
+  yXmlText: Y.XmlText,
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  keys: Map<string, { action: 'update' | 'add' | 'delete'; oldValue: any; newValue: any }>
+) {
+  const dataUpdated = keys.has('data');
+
+  if (!dataUpdated) return [];
+  const data = yXmlText.getAttribute('data');
+
+  return generateUpdateActions(yXmlText, {
+    data,
+  });
+}
+
+function blockOps2BlockActions(
+  blockYXmlText: Readonly<Y.XmlText>,
+  ops: YDelta
+): ReturnType<typeof BlockActionPB.prototype.toObject>[] {
+  const actions: ReturnType<typeof BlockActionPB.prototype.toObject>[] = [];
+
+  let index = 0;
+
+  let newOps = ops;
+
+  if (ops.length > 1) {
+    const [deleteOp, insertOp, ...otherOps] = newOps;
+
+    const insert = insertOp.insert;
+
+    if (deleteOp.delete === 1 && insert && insert instanceof Y.XmlText) {
+      const textNode = getInsertTarget(blockYXmlText, [0]);
+      const textId = textNode.getAttribute('textId');
+
+      if (textId) {
+        const length = textNode.length;
+
+        insert.setAttribute('textId', textId);
+
+        actions.push(
+          ...generateApplyTextActions(insert, [
+            {
+              delete: length,
+            },
+            ...insert.toDelta(),
+          ])
+        );
+      }
+
+      newOps = [
+        {
+          retain: 1,
+        },
+        ...otherOps,
+      ];
+    }
+  }
+
+  newOps.forEach((op) => {
+    if (op.insert) {
+      if (op.insert instanceof Y.XmlText) {
+        const insertYXmlText = op.insert;
+        const blockId = insertYXmlText.getAttribute('blockId');
+        const textId = insertYXmlText.getAttribute('textId');
+
+        if (!blockId && !textId) {
+          throw new Error('blockId and textId is not exist');
+        }
+
+        actions.push(...generateInsertBlockActions(insertYXmlText));
+        index += 1;
+      }
+    } else if (op.retain) {
+      index += op.retain;
+    } else if (op.delete) {
+      for (let i = index; i < op.delete + index; i++) {
+        const target = getInsertTarget(blockYXmlText, [i]);
+
+        if (target) {
+          const deletedId = target.getAttribute('blockId') as string;
+
+          if (deletedId) {
+            actions.push(
+              ...generateDeleteBlockActions({
+                ids: [deletedId],
+              })
+            );
+          }
+        }
+      }
+    }
+  });
+
+  return actions;
+}
+
+export function generateUpdateActions(
+  yXmlText: Y.XmlText,
+  {
+    data,
+  }: {
+    data?: Record<string, string | boolean>;
+    external_id?: string;
+  }
+) {
   const id = yXmlText.getAttribute('blockId');
   const parentId = yXmlText.getAttribute('parentId');
 
@@ -16,8 +182,6 @@ export function generateUpdateDataActions(yXmlText: Y.XmlText, data: Record<stri
         block: {
           id,
           data: JSON.stringify(data),
-          parent: parentId,
-          children: '',
         },
         parent_id: parentId,
       },
@@ -43,15 +207,28 @@ export function generateApplyTextActions(yXmlText: Y.XmlText, delta: YDelta) {
   ];
 }
 
-export function generateDeleteBlockActions({ id, parentId }: { id: string; parentId: string }) {
+export function generateDeleteBlockActions({ ids }: { ids: string[] }) {
+  return ids.map((id) => ({
+    action: BlockActionTypePB.Delete,
+    payload: {
+      block: {
+        id,
+      },
+      parent_id: '',
+    },
+  }));
+}
+
+export function generateInsertTextActions(insertYXmlText: Y.XmlText) {
+  const textId = insertYXmlText.getAttribute('textId');
+  const delta = YDelta2Delta(insertYXmlText.toDelta());
+
   return [
     {
-      action: BlockActionTypePB.Delete,
+      action: BlockActionTypePB.InsertText,
       payload: {
-        block: {
-          id,
-        },
-        parent_id: parentId,
+        text_id: textId,
+        delta: JSON.stringify(delta),
       },
     },
   ];
@@ -61,24 +238,29 @@ export function generateInsertBlockActions(
   insertYXmlText: Y.XmlText
 ): ReturnType<typeof BlockActionPB.prototype.toObject>[] {
   const childrenId = generateId();
-  const prev = findPreviousSibling(insertYXmlText);
-
+  const [textInsert, ...childrenInserts] = (insertYXmlText.toDelta() as YDelta).map((op) => op.insert);
+  const textInsertActions = textInsert instanceof Y.XmlText ? generateInsertTextActions(textInsert) : [];
+  const externalId = textInsertActions[0]?.payload.text_id;
+  const prev = insertYXmlText.prevSibling;
   const prevId = prev ? prev.getAttribute('blockId') : null;
-  const parentId = insertYXmlText.getAttribute('parentId');
-  const delta = YDelta2Delta(insertYXmlText.toDelta());
+  const parentId = (insertYXmlText.parent as Y.XmlText).getAttribute('blockId');
+
   const data = insertYXmlText.getAttribute('data');
   const type = insertYXmlText.getAttribute('type');
   const id = insertYXmlText.getAttribute('blockId');
-  const externalId = insertYXmlText.getAttribute('textId');
 
-  return [
-    {
-      action: BlockActionTypePB.InsertText,
-      payload: {
-        text_id: externalId,
-        delta: JSON.stringify(delta),
-      },
-    },
+  if (!id) {
+    Log.error('generateInsertBlockActions', 'id is not exist');
+    return [];
+  }
+
+  if (!type || type === 'text' || Object.values(EditorNodeType).indexOf(type) === -1) {
+    Log.error('generateInsertBlockActions', 'type is error: ' + type);
+    return [];
+  }
+
+  const actions: ReturnType<typeof BlockActionPB.prototype.toObject>[] = [
+    ...textInsertActions,
     {
       action: BlockActionTypePB.Insert,
       payload: {
@@ -89,180 +271,19 @@ export function generateInsertBlockActions(
           parent_id: parentId,
           children_id: childrenId,
           external_id: externalId,
-          external_type: 'text',
+          external_type: externalId ? 'text' : undefined,
         },
         prev_id: prevId,
         parent_id: parentId,
       },
     },
   ];
-}
 
-export function generateMoveBlockActions(yXmlText: Y.XmlText, parentId: string, prevId: string | null) {
-  const id = yXmlText.getAttribute('blockId');
-  const blockParentId = yXmlText.getAttribute('parentId');
-
-  return [
-    {
-      action: BlockActionTypePB.Move,
-      payload: {
-        block: {
-          id,
-          parent_id: blockParentId,
-        },
-        parent_id: parentId,
-        prev_id: prevId || '',
-      },
-    },
-  ];
-}
-
-export function YEvents2BlockActions(
-  sharedType: Y.XmlText,
-  events: Y.YEvent<Y.XmlText>[]
-): ReturnType<typeof BlockActionPB.prototype.toObject>[] {
-  const actions: ReturnType<typeof BlockActionPB.prototype.toObject>[] = [];
-
-  events.forEach((event) => {
-    const eventActions = YEvent2BlockActions(sharedType, event);
-
-    if (eventActions.length === 0) return;
-
-    actions.push(...eventActions);
-  });
-
-  const deleteActions = actions.filter((action) => action.action === BlockActionTypePB.Delete);
-  const otherActions = actions.filter((action) => action.action !== BlockActionTypePB.Delete);
-
-  const filteredDeleteActions = filterDeleteActions(deleteActions);
-
-  return [...otherActions, ...filteredDeleteActions];
-}
-
-function filterDeleteActions(actions: ReturnType<typeof BlockActionPB.prototype.toObject>[]) {
-  return actions.filter((deleteAction) => {
-    const { payload } = deleteAction;
-
-    if (payload === undefined) return true;
-
-    const { parent_id } = payload;
-
-    return !actions.some((action) => action.payload?.block?.id === parent_id);
-  });
-}
-
-export function YEvent2BlockActions(
-  sharedType: Y.XmlText,
-  event: Y.YEvent<Y.XmlText>
-): ReturnType<typeof BlockActionPB.prototype.toObject>[] {
-  const { target: yXmlText, keys, delta } = event;
-  // when the target is equal to the sharedType, it means that the change type is insert/delete block
-  const isBlockEvent = yXmlText === sharedType;
-
-  if (isBlockEvent) {
-    return blockOps2BlockActions(sharedType, delta);
-  }
-
-  const actions = textOps2BlockActions(sharedType, yXmlText, delta);
-
-  if (keys.size > 0) {
-    actions.push(...parentUpdatedOps2BlockActions(yXmlText, keys));
-
-    actions.push(...dataOps2BlockActions(yXmlText, keys));
-  }
-
-  return actions;
-}
-
-function textOps2BlockActions(
-  sharedType: Y.XmlText,
-  yXmlText: Y.XmlText,
-  ops: YDelta
-): ReturnType<typeof BlockActionPB.prototype.toObject>[] {
-  if (ops.length === 0) return [];
-  const blockId = yXmlText.getAttribute('blockId');
-  const rootId = sharedType.getAttribute('rootId');
-
-  if (blockId === rootId) {
-    return [];
-  }
-
-  return generateApplyTextActions(yXmlText, ops);
-}
-
-function parentUpdatedOps2BlockActions(
-  yXmlText: Y.XmlText,
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  keys: Map<string, { action: 'update' | 'add' | 'delete'; oldValue: any; newValue: any }>
-) {
-  const parentUpdated = keys.has('parentId');
-
-  if (!parentUpdated) return [];
-  const parentId = yXmlText.getAttribute('parentId');
-  const prev = findPreviousSibling(yXmlText) as Y.XmlText;
-
-  const prevId = prev?.getAttribute('blockId');
-
-  fillIdRelationMap(yXmlText, yXmlText.doc?.getMap('idRelationMap') as Y.Map<string>);
-
-  return generateMoveBlockActions(yXmlText, parentId, prevId);
-}
-
-function dataOps2BlockActions(
-  yXmlText: Y.XmlText,
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  keys: Map<string, { action: 'update' | 'add' | 'delete'; oldValue: any; newValue: any }>
-) {
-  const dataUpdated = keys.has('data');
-
-  if (!dataUpdated) return [];
-  const data = yXmlText.getAttribute('data');
-
-  return generateUpdateDataActions(yXmlText, data);
-}
-
-function blockOps2BlockActions(
-  sharedType: Y.XmlText,
-  ops: YDelta
-): ReturnType<typeof BlockActionPB.prototype.toObject>[] {
-  const actions: ReturnType<typeof BlockActionPB.prototype.toObject>[] = [];
-
-  const idList = sharedType.doc?.get('idList') as Y.XmlText;
-  const idRelationMap = sharedType.doc?.getMap('idRelationMap') as Y.Map<string>;
-  let index = 0;
-
-  ops.forEach((op) => {
-    if (op.insert) {
-      if (op.insert instanceof Y.XmlText) {
-        const insertYXmlText = op.insert;
-
-        actions.push(...generateInsertBlockActions(insertYXmlText));
-      }
-
-      index++;
-    } else if (op.retain) {
-      index += op.retain;
-    } else if (op.delete) {
-      const deletedDelta = idList.toDelta().slice(index, index + op.delete) as {
-        insert: {
-          id: string;
-        };
-      }[];
-
-      deletedDelta.forEach((delta) => {
-        const parentId = idRelationMap.get(delta.insert.id);
-
-        actions.push(
-          ...generateDeleteBlockActions({
-            id: delta.insert.id,
-            parentId: parentId || '',
-          })
-        );
-      });
+  childrenInserts.forEach((insert) => {
+    if (insert instanceof Y.XmlText) {
+      actions.push(...generateInsertBlockActions(insert));
     }
   });
 
-  idList.applyDelta(convertToIdList(ops));
-
   return actions;
 }

frontend/appflowy_tauri/src/appflowy_app/components/editor/provider/utils/convert.ts

@@ -1,5 +1,5 @@
 import { nanoid } from 'nanoid';
-import { EditorData, EditorInlineNodeType, EditorNodeType, Mention } from '$app/application/document/document.types';
+import { EditorData, EditorInlineNodeType, Mention } from '$app/application/document/document.types';
 import { Element, Text } from 'slate';
 import { Op } from 'quill-delta';
 
@@ -45,57 +45,57 @@ export function transformToInlineElement(op: Op): Element | null {
   return null;
 }
 
+export function getInlinesWithDelta(delta?: Op[]): (Text | Element)[] {
+  return delta && delta.length > 0
+    ? delta.map((op) => {
+        const matchInline = transformToInlineElement(op);
+
+        if (matchInline) {
+          return matchInline;
+        }
+
+        return {
+          text: op.insert as string,
+          ...op.attributes,
+        };
+      })
+    : [
+        {
+          text: '',
+        },
+      ];
+}
+
 export function convertToSlateValue(data: EditorData, includeRoot: boolean): Element[] {
-  const nodes: Element[] = [];
-  const traverse = (id: string, level: number, isHidden?: boolean) => {
+  const traverse = (id: string, isRoot = false) => {
     const node = data.nodeMap[id];
     const delta = data.deltaMap[id];
 
     const slateNode: Element = {
       type: node.type,
       data: node.data,
-      level,
       children: [],
-      isHidden,
       blockId: id,
-      parentId: node.parent || '',
-      textId: node.externalId || '',
     };
 
-    const inlineNodes: (Text | Element)[] = delta
-      ? delta.map((op) => {
-          const matchInline = transformToInlineElement(op);
-
-          if (matchInline) {
-            return matchInline;
+    const textNode: Element | null =
+      !isRoot && node.externalId
+        ? {
+            type: 'text',
+            children: [],
+            textId: node.externalId,
           }
+        : null;
 
-          return {
-            text: op.insert as string,
-            ...op.attributes,
-          };
-        })
-      : [];
+    const inlineNodes = getInlinesWithDelta(delta);
 
-    slateNode.children.push(...inlineNodes);
+    textNode?.children.push(...inlineNodes);
 
-    nodes.push(slateNode);
     const children = data.childrenMap[id];
 
-    if (children) {
-      for (const childId of children) {
-        let isHidden = false;
-
-        if (node.type === EditorNodeType.ToggleListBlock) {
-          const collapsed = (node.data as { collapsed: boolean })?.collapsed;
-
-          if (collapsed) {
-            isHidden = true;
-          }
-        }
-
-        traverse(childId, level + 1, isHidden);
-      }
+    slateNode.children = children.map((childId) => traverse(childId));
+    if (textNode) {
+      slateNode.children.unshift(textNode);
     }
 
     return slateNode;
@@ -103,10 +103,24 @@ export function convertToSlateValue(data: EditorData, includeRoot: boolean): Ele
 
   const rootId = data.rootId;
 
-  traverse(rootId, 0);
+  const root = traverse(rootId, true);
 
-  if (!includeRoot) {
-    nodes.shift();
+  const nodes = root.children as Element[];
+
+  if (includeRoot) {
+    nodes.unshift({
+      ...root,
+      children: [
+        {
+          type: 'text',
+          children: [
+            {
+              text: '',
+            },
+          ],
+        },
+      ],
+    });
   }
 
   return nodes;

frontend/appflowy_tauri/src/appflowy_app/components/editor/provider/utils/delta.ts

@@ -5,31 +5,46 @@ import { inlineNodeTypes } from '$app/application/document/document.types';
 import { DocEventPB } from '@/services/backend';
 
 export function YDelta2Delta(yDelta: YDelta): Op[] {
-  return yDelta.map((op) => {
+  const ops: Op[] = [];
+
+  yDelta.forEach((op) => {
     if (op.insert instanceof Y.XmlText) {
       const type = op.insert.getAttribute('type');
 
       if (inlineNodeTypes.includes(type)) {
-        return YInlineOp2Op(op);
+        ops.push(...YInlineOp2Op(op));
+        return;
       }
     }
 
-    return op as Op;
+    ops.push(op as Op);
   });
+  return ops;
 }
 
-export function YInlineOp2Op(yOp: YOp): Op {
-  if (!(yOp.insert instanceof Y.XmlText)) return yOp as Op;
+export function YInlineOp2Op(yOp: YOp): Op[] {
+  if (!(yOp.insert instanceof Y.XmlText)) {
+    return [
+      {
+        insert: yOp.insert as string,
+        attributes: yOp.attributes,
+      },
+    ];
+  }
 
   const type = yOp.insert.getAttribute('type');
   const data = yOp.insert.getAttribute('data');
 
-  return {
-    insert: yOp.insert.toJSON(),
+  const delta = yOp.insert.toDelta() as Op[];
+
+  return delta.map((op) => ({
+    insert: op.insert,
+
     attributes: {
       [type]: data,
+      ...op.attributes,
     },
-  };
+  }));
 }
 
 export function DocEvent2YDelta(events: DocEventPB): YDelta {

frontend/appflowy_tauri/src/appflowy_app/components/editor/provider/utils/relation.ts

@@ -1,48 +1,24 @@
 import * as Y from 'yjs';
-import { YDelta } from '$app/components/editor/provider/types/y_event';
 
-export function findPreviousSibling(yXmlText: Y.XmlText) {
-  let prev = yXmlText.prevSibling;
+export function getInsertTarget(root: Y.XmlText, path: (string | number)[]): Y.XmlText {
+  const delta = root.toDelta();
+  const index = path[0];
 
-  if (!prev) return null;
+  const current = delta[index];
 
-  const level = yXmlText.getAttribute('level');
-
-  if (!level) return null;
-
-  while (prev) {
-    const prevLevel = prev.getAttribute('level');
-
-    if (prevLevel === level) return prev;
-    if (prevLevel < level) return null;
-
-    prev = prev.prevSibling;
-  }
-
-  return prev;
-}
-
-export function fillIdRelationMap(yXmlText: Y.XmlText, idRelationMap: Y.Map<string>) {
-  const id = yXmlText.getAttribute('blockId');
-  const parentId = yXmlText.getAttribute('parentId');
-
-  if (id && parentId) {
-    idRelationMap.set(id, parentId);
-  }
-}
-
-export function convertToIdList(ops: YDelta) {
-  return ops.map((op) => {
-    if (op.insert instanceof Y.XmlText) {
-      const id = op.insert.getAttribute('blockId');
-
-      return {
-        insert: {
-          id,
-        },
-      };
+  if (current && current.insert instanceof Y.XmlText) {
+    if (path.length === 1) {
+      return current.insert;
     }
 
-    return op;
-  });
+    return getInsertTarget(current.insert, path.slice(1));
+  }
+
+  return root;
+}
+
+export function getYTarget(doc: Y.Doc, path: (string | number)[]) {
+  const sharedType = doc.get('sharedType', Y.XmlText) as Y.XmlText;
+
+  return getInsertTarget(sharedType, path);
 }

frontend/appflowy_tauri/src/appflowy_app/components/layout/NestedPage/index.tsx

@@ -34,7 +34,7 @@ function NestedPage({ pageId }: { pageId: string }) {
   });
 
   const className = useMemo(() => {
-    const defaultClassName = 'relative flex flex-col w-full';
+    const defaultClassName = 'relative flex-1 flex flex-col w-full';
 
     if (isDragging) {
       return `${defaultClassName} opacity-40`;

frontend/appflowy_tauri/src/appflowy_app/components/layout/SideBar/index.tsx

@@ -29,7 +29,7 @@ function SideBar() {
           <div className={'flex h-[36px] items-center'}>
             <UserInfo />
           </div>
-          <div className={'flex-1'}>
+          <div className={'flex-1 overflow-hidden'}>
             <WorkspaceManager />
           </div>
         </div>

frontend/appflowy_tauri/src/appflowy_app/components/layout/WorkspaceManager/NestedPages.tsx

@@ -8,7 +8,7 @@ function WorkspaceNestedPages({ workspaceId }: { workspaceId: string }) {
   });
 
   return (
-    <div className={'h-[100%] overflow-y-auto overflow-x-hidden'}>
+    <div className={'h-full'}>
       {pageIds?.map((pageId) => (
         <NestedPage key={pageId} pageId={pageId} />
       ))}

frontend/appflowy_tauri/src/appflowy_app/components/layout/WorkspaceManager/TrashButton.tsx

@@ -32,7 +32,7 @@ function TrashButton() {
       onDragLeave={onDragLeave}
       data-page-id={'trash'}
       onClick={navigateToTrash}
-      className={`mx-1 flex w-[100%] items-center rounded-lg p-2 hover:bg-fill-list-hover ${
+      className={`mx-1 my-3 flex h-[32px] w-[100%] items-center rounded-lg p-2 hover:bg-fill-list-hover ${
         selected ? 'bg-fill-list-active' : ''
       } ${isDraggingOver ? 'bg-fill-list-hover' : ''}`}
     >