refactor(editor): configurable page block title (#10063)

### What changes
- make page block title rendering configurable so that a journal title can be rendered by AFFiNE side.
- move page block render logic to a seperate component

blocksuite/affine/block-note/src/components/edgeless-note-background.ts

@@ -1,13 +1,9 @@
 import {
   DefaultTheme,
   NoteBlockModel,
-  NoteDisplayMode,
   StrokeStyle,
 } from '@blocksuite/affine-model';
-import {
-  FeatureFlagService,
-  ThemeProvider,
-} from '@blocksuite/affine-shared/services';
+import { ThemeProvider } from '@blocksuite/affine-shared/services';
 import {
   getClosestBlockComponentByPoint,
   handleNativeRangeAtPoint,
@@ -37,6 +33,7 @@ import { html, nothing } from 'lit';
 import { property } from 'lit/decorators.js';
 import { styleMap } from 'lit/directives/style-map.js';
 
+import { isPageBlock } from '../utils';
 import * as styles from './edgeless-note-background.css';
 
 @requiredProperties({
@@ -74,18 +71,6 @@ export class EdgelessNoteBackground extends SignalWatcher(
     return this.std.host.doc;
   }
 
-  private get _isPageBlock() {
-    return (
-      this.std.get(FeatureFlagService).getFlag('enable_page_block') &&
-      // is the first page visible note
-      this.note.parent?.children.find(
-        child =>
-          matchFlavours(child, ['affine:note']) &&
-          child.displayMode !== NoteDisplayMode.EdgelessOnly
-      ) === this.note
-    );
-  }
-
   private _tryAddParagraph(x: number, y: number) {
     const nearest = getClosestBlockComponentByPoint(
       new Point(x, y)
@@ -174,7 +159,7 @@ export class EdgelessNoteBackground extends SignalWatcher(
       @pointerdown=${stopPropagation}
       @click=${this._handleClickAtBackground}
     >
-      ${this._isPageBlock ? this._renderHeader() : nothing}
+      ${isPageBlock(this.std, this.note) ? this._renderHeader() : nothing}
     </div>`;
   }
 

blocksuite/affine/block-note/src/components/edgeless-page-block-title.css.ts

@@ -0,0 +1,9 @@
+import { globalStyle, style } from '@vanilla-extract/css';
+
+export const pageBlockTitle = style({
+  position: 'relative',
+});
+
+globalStyle(`${pageBlockTitle} .doc-title-container`, {
+  padding: '26px 0px',
+});

blocksuite/affine/block-note/src/components/edgeless-page-block-title.ts

@@ -0,0 +1,44 @@
+import { NoteBlockModel } from '@blocksuite/affine-model';
+import {
+  type BlockStdScope,
+  PropTypes,
+  requiredProperties,
+  ShadowlessElement,
+  stdContext,
+} from '@blocksuite/block-std';
+import { SignalWatcher, WithDisposable } from '@blocksuite/global/utils';
+import { consume } from '@lit/context';
+import { html } from 'lit';
+import { property } from 'lit/decorators.js';
+
+import { isPageBlock } from '../utils';
+import * as styles from './edgeless-page-block-title.css';
+
+@requiredProperties({
+  note: PropTypes.instanceOf(NoteBlockModel),
+})
+export class EdgelessPageBlockTitle extends SignalWatcher(
+  WithDisposable(ShadowlessElement)
+) {
+  override render() {
+    if (!isPageBlock(this.std, this.note)) return;
+
+    const title = this.std.getConfig('affine:note')?.pageBlockTitle({
+      note: this.note,
+      std: this.std,
+    });
+
+    return html`<div class=${styles.pageBlockTitle}>${title}</div>`;
+  }
+
+  @consume({ context: stdContext })
+  accessor std!: BlockStdScope;
+
+  @property({ attribute: false })
+  accessor note!: NoteBlockModel;
+}
+declare global {
+  interface HTMLElementTagNameMap {
+    'edgeless-page-block-title': EdgelessPageBlockTitle;
+  }
+}

blocksuite/affine/block-note/src/config.ts

@@ -2,11 +2,14 @@ import type { NoteBlockModel } from '@blocksuite/affine-model';
 import { type BlockStdScope, ConfigExtension } from '@blocksuite/block-std';
 import type { TemplateResult } from 'lit';
 
+type NoteBlockContext = {
+  note: NoteBlockModel;
+  std: BlockStdScope;
+};
+
 export type NoteConfig = {
-  edgelessNoteHeader: (context: {
-    note: NoteBlockModel;
-    std: BlockStdScope;
-  }) => TemplateResult;
+  edgelessNoteHeader: (context: NoteBlockContext) => TemplateResult;
+  pageBlockTitle: (context: NoteBlockContext) => TemplateResult;
 };
 
 export function NoteConfigExtension(config: NoteConfig) {

blocksuite/affine/block-note/src/effects.ts

@@ -1,5 +1,6 @@
 import { EdgelessNoteBackground } from './components/edgeless-note-background';
 import { EdgelessNoteMask } from './components/edgeless-note-mask';
+import { EdgelessPageBlockTitle } from './components/edgeless-page-block-title';
 import type { NoteConfig } from './config';
 import { NoteBlockComponent } from './note-block';
 import {
@@ -13,6 +14,7 @@ export function effects() {
   customElements.define(AFFINE_EDGELESS_NOTE, EdgelessNoteBlockComponent);
   customElements.define('edgeless-note-mask', EdgelessNoteMask);
   customElements.define('edgeless-note-background', EdgelessNoteBackground);
+  customElements.define('edgeless-page-block-title', EdgelessPageBlockTitle);
 }
 
 declare global {

blocksuite/affine/block-note/src/note-edgeless-block.css.ts

@@ -1,6 +1,6 @@
 import { EDGELESS_BLOCK_CHILD_PADDING } from '@blocksuite/affine-shared/consts';
 import { cssVar } from '@toeverything/theme';
-import { globalStyle, style } from '@vanilla-extract/css';
+import { style } from '@vanilla-extract/css';
 
 export const ACTIVE_NOTE_EXTRA_PADDING = 20;
 
@@ -58,14 +58,6 @@ export const noteBackground = style({
   },
 });
 
-globalStyle(`${edgelessNoteContainer} > doc-title`, {
-  position: 'relative',
-});
-
-globalStyle(`${edgelessNoteContainer} > doc-title .doc-title-container`, {
-  padding: '26px 0px',
-});
-
 export const pageContent = style({
   width: '100%',
   height: '100%',

blocksuite/affine/block-note/src/note-edgeless-block.ts

@@ -3,11 +3,7 @@ import type { DocTitle } from '@blocksuite/affine-components/doc-title';
 import { MoreIndicatorIcon } from '@blocksuite/affine-components/icons';
 import { NoteDisplayMode } from '@blocksuite/affine-model';
 import { EDGELESS_BLOCK_CHILD_PADDING } from '@blocksuite/affine-shared/consts';
-import { FeatureFlagService } from '@blocksuite/affine-shared/services';
-import {
-  matchFlavours,
-  stopPropagation,
-} from '@blocksuite/affine-shared/utils';
+import { stopPropagation } from '@blocksuite/affine-shared/utils';
 import { toGfxBlockComponent } from '@blocksuite/block-std';
 import { Bound } from '@blocksuite/global/utils';
 import { html, nothing } from 'lit';
@@ -19,19 +15,13 @@ import { styleMap } from 'lit/directives/style-map.js';
 import { NoteBlockComponent } from './note-block';
 import { ACTIVE_NOTE_EXTRA_PADDING } from './note-edgeless-block.css';
 import * as styles from './note-edgeless-block.css';
+import { isPageBlock } from './utils';
 
 export const AFFINE_EDGELESS_NOTE = 'affine-edgeless-note';
 
 export class EdgelessNoteBlockComponent extends toGfxBlockComponent(
   NoteBlockComponent
 ) {
-  private get _isPageBlock() {
-    return (
-      this.std.get(FeatureFlagService).getFlag('enable_page_block') &&
-      this._isFirstVisibleNote()
-    );
-  }
-
   private get _isShowCollapsedContent() {
     return (
       this.model.edgeless.collapse &&
@@ -88,7 +78,7 @@ export class EdgelessNoteBlockComponent extends toGfxBlockComponent(
   }
 
   private _handleKeyDown(e: KeyboardEvent) {
-    if (e.key === 'ArrowUp' && this._isPageBlock) {
+    if (e.key === 'ArrowUp') {
       this._docTitle?.inlineEditor?.focusEnd();
     }
   }
@@ -103,16 +93,6 @@ export class EdgelessNoteBlockComponent extends toGfxBlockComponent(
     }
   }
 
-  private _isFirstVisibleNote() {
-    return (
-      this.model.parent?.children.find(
-        child =>
-          matchFlavours(child, ['affine:note']) &&
-          child.displayMode !== NoteDisplayMode.EdgelessOnly
-      ) === this.model
-    );
-  }
-
   private _leaved() {
     if (this._isHover) {
       this._isHover = false;
@@ -259,12 +239,9 @@ export class EdgelessNoteBlockComponent extends toGfxBlockComponent(
           .note=${this.model}
         ></edgeless-note-background>
 
-        ${this._isPageBlock && !collapse
-          ? html`<doc-title
-              .doc=${this.doc}
-              .wrapText=${!collapse}
-            ></doc-title>`
-          : nothing}
+        <edgeless-page-block-title
+          .note=${this.model}
+        ></edgeless-page-block-title>
 
         <div
           class="edgeless-note-page-content"
@@ -284,7 +261,7 @@ export class EdgelessNoteBlockComponent extends toGfxBlockComponent(
           .editing=${this._editing}
         ></edgeless-note-mask>
 
-        ${isCollapsable && !this._isPageBlock
+        ${isCollapsable && !isPageBlock(this.std, this.model)
           ? html`<div
               class="${classMap({
                 [styles.collapseButton]: true,

blocksuite/affine/block-note/src/utils.ts

@@ -0,0 +1,18 @@
+import { type NoteBlockModel, NoteDisplayMode } from '@blocksuite/affine-model';
+import { FeatureFlagService } from '@blocksuite/affine-shared/services';
+import { matchFlavours } from '@blocksuite/affine-shared/utils';
+import type { BlockStdScope } from '@blocksuite/block-std';
+
+/**
+ * We define a note block as a page block if it is the first visible note
+ */
+export function isPageBlock(std: BlockStdScope, note: NoteBlockModel) {
+  return (
+    std.get(FeatureFlagService).getFlag('enable_page_block') &&
+    note.parent?.children.find(
+      child =>
+        matchFlavours(child, ['affine:note']) &&
+        child.displayMode !== NoteDisplayMode.EdgelessOnly
+    ) === note
+  );
+}