fix(editor): hide collpased content during dragging note (#10133)

Close [BS-2531](https://linear.app/affine-design/issue/BS-2531/%E6%8B%96%E5%8A%A8%E6%8A%98%E5%8F%A0%E7%9A%84note%E6%97%B6%EF%BC%8C%E4%B8%8D%E6%98%BE%E7%A4%BA%E9%9A%90%E8%97%8F%E5%86%85%E5%AE%B9), [BS-2536](https://linear.app/affine-design/issue/BS-2536/page-block%E9%A1%B6%E9%83%A8toolbar)

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

@@ -26,12 +26,13 @@ export class EdgelessNoteBlockComponent extends toGfxBlockComponent(
     return (
       this.model.edgeless.collapse &&
       this.gfx.selection.has(this.model.id) &&
+      !this._dragging &&
       (this._isResizing || this._isHover)
     );
   }
 
-  get _zoom() {
-    return this.gfx.viewport.zoom;
+  private get _dragging() {
+    return this._isHover && this.gfx.tool.dragging$.value;
   }
 
   private _collapsedContent() {
@@ -236,6 +237,7 @@ export class EdgelessNoteBlockComponent extends toGfxBlockComponent(
         ></edgeless-note-background>
 
         <div
+          data-testid="edgeless-note-clip-container"
           class=${styles.clipContainer}
           style=${styleMap({
             'overflow-y': this._isShowCollapsedContent ? 'initial' : 'clip',

packages/frontend/core/src/components/blocksuite/block-suite-editor/specs/custom/widgets/edgeless-note-header.css.ts

@@ -28,6 +28,7 @@ const buttonPadding = 4;
 export const button = style({
   padding: buttonPadding,
   pointerEvents: 'auto',
+  color: cssVarV2('icon/transparentBlack'),
 });
 
 export const headerHeight = 2 * headerPadding + iconSize + 2 * buttonPadding;

tests/affine-local/e2e/blocksuite/edgeless/note.spec.ts

@@ -5,14 +5,19 @@ import {
   createEdgelessNoteBlock,
   getEdgelessSelectedIds,
   getPageMode,
+  getSelectedXYWH,
   locateEditorContainer,
   locateElementToolbar,
   locateModeSwitchButton,
+  moveToView,
+  resizeElementByHandle,
+  toViewCoord,
 } from '@affine-test/kit/utils/editor';
 import {
   pasteByKeyboard,
   pressBackspace,
   pressEnter,
+  pressEscape,
   selectAllByKeyboard,
   undoByKeyboard,
 } from '@affine-test/kit/utils/keyboard';
@@ -27,6 +32,7 @@ import type {
   EdgelessRootBlockComponent,
   NoteBlockModel,
 } from '@blocksuite/blocks';
+import type { IVec } from '@blocksuite/global/utils';
 import { expect, type Page } from '@playwright/test';
 
 const title = 'Edgeless Note Header Test';
@@ -370,3 +376,54 @@ test.describe('edgeless note element toolbar', () => {
     });
   });
 });
+
+test.describe('note block rendering', () => {
+  test('collapsed content rendering', async ({ page }) => {
+    await createEdgelessNoteBlock(page, [50, 50]);
+
+    await type(page, 'paragraph 1');
+    for (let i = 0; i < 5; i++) {
+      await pressEnter(page);
+    }
+    await type(page, 'paragraph 2');
+    await pressEscape(page, 3);
+    await clickView(page, [50, 50]);
+    await resizeElementByHandle(page, [0, -50], 'bottom-right');
+    const xywh = await getSelectedXYWH(page);
+    const center: IVec = [xywh[0] + xywh[2] / 2, xywh[1] + xywh[3] / 2];
+
+    const note = page
+      .locator('affine-edgeless-note')
+      .getByTestId('edgeless-note-clip-container')
+      .nth(1);
+
+    await expect(note, 'should hide collapsed content').toHaveCSS(
+      'overflow-y',
+      'clip'
+    );
+    await moveToView(page, center);
+    await expect(note, 'should show collapsed content when hover').toHaveCSS(
+      'overflow-y',
+      'visible'
+    );
+
+    const [x1, y1] = await toViewCoord(page, center);
+    const [x2, y2] = await toViewCoord(page, [center[0], center[1] + 25]);
+    const [x3, y3] = await toViewCoord(page, [center[0], center[1] + 50]);
+    await page.mouse.move(x1, y1);
+    await page.mouse.down();
+
+    await page.mouse.move(x2, y2, { steps: 10 });
+    await expect(
+      note,
+      'should hide collapsed content during dragging'
+    ).toHaveCSS('overflow-y', 'clip');
+    await page.mouse.move(x3, y3, { steps: 10 });
+    await page.mouse.up();
+    await page.mouse.move(x3, y3);
+    await expect(
+      note,
+      'should show collapsed content when dragging is finished'
+    ).toHaveCSS('overflow-y', 'visible');
+  });
+});

tests/kit/src/utils/editor.ts

@@ -82,6 +82,22 @@ export async function getEdgelessSelectedIds(page: Page, editorIndex = 0) {
   });
 }
 
+export async function getSelectedXYWH(
+  page: Page,
+  index = 0,
+  editorIndex = 0
+): Promise<[number, number, number, number]> {
+  const container = locateEditorContainer(page, editorIndex);
+  return container.evaluate((container, index) => {
+    const root = container.querySelector('affine-edgeless-root');
+    if (!root) {
+      throw new Error('Edgeless root not found');
+    }
+    const selected = root.service.selection.selectedElements[index];
+    return selected.elementBound.toXYWH();
+  }, index);
+}
+
 export async function getViewportCenter(page: Page, editorIndex = 0) {
   const container = locateEditorContainer(page, editorIndex);
   return container.evaluate((container: AffineEditorContainer) => {
@@ -108,6 +124,17 @@ export async function setViewportCenter(
   }, center);
 }
 
+export async function setViewportZoom(page: Page, zoom = 1, editorIndex = 0) {
+  const container = locateEditorContainer(page, editorIndex);
+  return container.evaluate((container: AffineEditorContainer, zoom) => {
+    const root = container.querySelector('affine-edgeless-root');
+    if (!root) {
+      throw new Error('Edgeless root not found');
+    }
+    root.gfx.viewport.setZoom(zoom);
+  }, zoom);
+}
+
 /**
  * Convert a canvas point to view coordinate
  * @param point the coordinate on the canvas
@@ -119,10 +146,36 @@ export async function toViewCoord(page: Page, point: IVec, editorIndex = 0) {
     if (!root) {
       throw new Error('Edgeless root not found');
     }
-    return root.gfx.viewport.toViewCoord(point[0], point[1]);
+    const coord = root.gfx.viewport.toViewCoord(point[0], point[1]);
+    coord[0] += root.gfx.viewport.left;
+    coord[1] += root.gfx.viewport.top;
+    return coord;
   }, point);
 }
 
+/**
+ * Convert a view coordinate to canvas point
+ * @param point the coordinate on the view
+ */
+export async function toModelCoord(page: Page, point: IVec, editorIndex = 0) {
+  const container = locateEditorContainer(page, editorIndex);
+  return container.evaluate((container: AffineEditorContainer, point) => {
+    const root = container.querySelector('affine-edgeless-root');
+    if (!root) {
+      throw new Error('Edgeless root not found');
+    }
+    return root.gfx.viewport.toModelCoordFromClientCoord(point);
+  }, point);
+}
+
+/**
+ * Move to a point on the canvas
+ */
+export async function moveToView(page: Page, point: IVec, editorIndex = 0) {
+  const [x, y] = await toViewCoord(page, point, editorIndex);
+  await page.mouse.move(x, y);
+}
+
 /**
  * Click a point on the canvas
  * @param point the coordinate on the canvas
@@ -331,6 +384,28 @@ export async function setEdgelessTool(
   }
 }
 
+export async function resizeElementByHandle(
+  page: Page,
+  delta: IVec,
+  corner:
+    | 'top-left'
+    | 'top-right'
+    | 'bottom-right'
+    | 'bottom-left' = 'top-left',
+  editorIndex = 0
+) {
+  const handle = page.locator(`.handle[aria-label="${corner}"] .resize`);
+  const box = await handle.boundingBox();
+  if (box === null) throw new Error();
+  const from = await toModelCoord(
+    page,
+    [box.x + box.width / 2, box.y + box.height / 2],
+    editorIndex
+  );
+  const to: IVec = [from[0] + delta[0], from[1] + delta[1]];
+  await dragView(page, from, to, editorIndex);
+}
+
 export function locateElementToolbar(page: Page, editorIndex = 0) {
   return locateEditorContainer(page, editorIndex).locator(
     EDGELESS_ELEMENT_TOOLBAR_WIDGET