feat(editor): calendar view for database block (#14984)

fix #13663


#### PR Dependency Tree


* **PR #14984** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Calendar view for database blocks (month layout, entry cards,
external-source support)
  * Workspace calendar integration and new slash-menu "Calendar View"

* **Improvements**
* Create/manage database rows from calendar UI; preserve durations when
moving/resizing ranges
* Drag-and-drop, drop-preview, and hit-testing support for calendar and
docs
  * Redesigned in-menu View settings with multi-page navigation
  * Context-menu input autofocus toggle and conditional back-navigation

* **Tests**
* New unit and E2E suites covering calendar layout, interactions,
sources, and slash-menu integration
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/blocks/data-view/src/data-view-block.ts

@@ -254,6 +254,7 @@ export class DataViewBlockComponent extends CaptionedBlockComponent<DataViewBloc
     dataSource: this.dataSource,
     headerWidget: this.headerWidget,
     clipboard: this.std.clipboard,
+    dnd: this.std.dnd,
     notification: {
       toast: message => {
         const notification = this.std.getOptional(NotificationProvider);

blocksuite/affine/blocks/database/src/configs/slash-menu.ts

@@ -6,6 +6,7 @@ import { viewPresets } from '@blocksuite/data-view/view-presets';
 import {
   DatabaseKanbanViewIcon,
   DatabaseTableViewIcon,
+  TodayIcon,
 } from '@blocksuite/icons/lit';
 
 import { insertDatabaseBlockCommand } from '../commands';
@@ -47,6 +48,35 @@ export const databaseSlashMenuConfig: SlashMenuConfig = {
       },
     },
 
+    {
+      name: 'Calendar View',
+      description: 'Display items by date in a calendar.',
+      searchAlias: ['database', 'calendar'],
+      icon: TodayIcon(),
+      group: '7_Database@1',
+      when: ({ model }) =>
+        !isInsideBlockByFlavour(model.store, model, 'affine:edgeless-text'),
+      action: ({ std }) => {
+        std.command
+          .chain()
+          .pipe(getSelectedModelsCommand)
+          .pipe(insertDatabaseBlockCommand, {
+            viewType: viewPresets.calendarViewMeta.type,
+            place: 'after',
+            removeEmptyLine: true,
+          })
+          .pipe(({ insertedDatabaseBlockId }) => {
+            if (insertedDatabaseBlockId) {
+              const telemetry = std.getOptional(TelemetryProvider);
+              telemetry?.track('BlockCreated', {
+                blockType: 'affine:database',
+              });
+            }
+          })
+          .run();
+      },
+    },
+
     {
       name: 'Kanban View',
       description: 'Visualize data in a dashboard.',

blocksuite/affine/blocks/database/src/database-block.ts

@@ -34,6 +34,7 @@ import {
   type SingleView,
   uniMap,
 } from '@blocksuite/data-view';
+import { CalendarExternalSourceProvider } from '@blocksuite/data-view/view-presets';
 import { widgetPresets } from '@blocksuite/data-view/widget-presets';
 import { IS_MOBILE } from '@blocksuite/global/env';
 import { Rect } from '@blocksuite/global/gfx';
@@ -150,6 +151,14 @@ export class DatabaseBlockComponent extends CaptionedBlockComponent<DatabaseBloc
             config
           );
         });
+      this.std.provider
+        .getAll(CalendarExternalSourceProvider)
+        .forEach(source => {
+          dataSource.serviceSet(
+            CalendarExternalSourceProvider(source.id),
+            source
+          );
+        });
     });
     const id = currentViewStorage.getCurrentView(this.model.id);
     if (id && dataSource.viewManager.viewGet(id)) {
@@ -293,6 +302,12 @@ export class DatabaseBlockComponent extends CaptionedBlockComponent<DatabaseBloc
       widgetPresets.tools.viewOptions,
       widgetPresets.tools.tableAddRow,
     ],
+    calendar: [
+      widgetPresets.tools.filter,
+      widgetPresets.tools.search,
+      widgetPresets.tools.viewOptions,
+      widgetPresets.tools.tableAddRow,
+    ],
   });
 
   private readonly viewSelection$ = computed(() => {
@@ -427,6 +442,7 @@ export class DatabaseBlockComponent extends CaptionedBlockComponent<DatabaseBloc
         headerWidget: this.headerWidget,
         onDrag: this.onDrag,
         clipboard: this.std.clipboard,
+        dnd: this.std.dnd,
         notification: {
           toast: message => {
             const notification = this.std.getOptional(NotificationProvider);

blocksuite/affine/blocks/database/src/views/index.ts

@@ -4,6 +4,7 @@ import { viewConverts, viewPresets } from '@blocksuite/data-view/view-presets';
 export const databaseBlockViews: ViewMeta[] = [
   viewPresets.tableViewMeta,
   viewPresets.kanbanViewMeta,
+  viewPresets.calendarViewMeta,
 ];
 
 export const databaseBlockViewMap = Object.fromEntries(

blocksuite/affine/components/src/context-menu/input.ts

@@ -95,7 +95,9 @@ export class MenuInput extends MenuFocusable {
     });
     requestAnimationFrame(() => {
       requestAnimationFrame(() => {
+        if (!this.data.disableAutoFocus) {
           this.inputRef.select();
+        }
       });
     });
   }
@@ -223,6 +225,7 @@ export const menuInputItems = {
       onComplete?: (value: string) => void;
       onChange?: (value: string) => void;
       onBlur?: (value: string) => void;
+      disableAutoFocus?: boolean;
       class?: string;
       style?: Readonly<StyleInfo>;
     }) =>
@@ -237,6 +240,7 @@ export const menuInputItems = {
         onComplete: config.onComplete,
         onChange: config.onChange,
         onBlur: config.onBlur,
+        disableAutoFocus: config.disableAutoFocus,
       };
       const style = styleMap({
         display: 'flex',

blocksuite/affine/components/src/context-menu/menu-renderer.ts

@@ -111,8 +111,10 @@ export class MenuComponent
         }
         const onBack = this.menu.options.title?.onBack;
         if (e.key === 'Backspace' && onBack && !this.menu.showSearch$.value) {
+          const result = onBack(this.menu);
+          if (result !== false) {
             this.menu.close();
-          onBack(this.menu);
+          }
           return;
         }
         if (e.key === 'Enter' && !e.isComposing) {
@@ -214,8 +216,10 @@ export class MenuComponent
         ${title.onBack
           ? html` <div
               @click="${() => {
-                title.onBack?.(this.menu);
+                const result = title.onBack?.(this.menu);
+                if (result !== false) {
                   this.menu.close();
+                }
               }}"
               class="dv-icon-20 dv-hover dv-pd-2 dv-round-4"
               style="display:flex;"

blocksuite/affine/components/src/context-menu/menu.ts

@@ -15,7 +15,7 @@ export type MenuOptions = {
   onClose?: () => void;
   title?: {
     text: string;
-    onBack?: (menu: Menu) => void;
+    onBack?: (menu: Menu) => boolean | void;
     onClose?: () => void;
     postfix?: () => TemplateResult;
   };

blocksuite/affine/data-view/src/__tests__/calendar-layout.unit.spec.ts

@@ -0,0 +1,371 @@
+import { describe, expect, it } from 'vitest';
+
+import {
+  type CalendarEntry,
+  createCalendarMonthLayout,
+  getCalendarDayContentSlots,
+  getCalendarVisibleMonthRange,
+} from '../view-presets/calendar/index.js';
+
+const day = (value: string) => new Date(`${value}T00:00:00`).getTime();
+
+describe('calendar month layout', () => {
+  it('buckets single day entries', () => {
+    const entry = {
+      kind: 'row',
+      id: 'database:row-1',
+      sourceId: 'database',
+      rowId: 'row-1',
+      title: 'Task',
+      startAt: day('2026-05-15'),
+      cardProperties: [],
+      canResizeRange: false,
+    } satisfies CalendarEntry;
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-05-01'),
+      entries: [entry],
+    });
+
+    expect(
+      layout.days.find(item => item.date === day('2026-05-15'))?.entries
+    ).toEqual([entry]);
+  });
+
+  it('splits range external entries across weeks', () => {
+    const entry = {
+      kind: 'external',
+      id: 'external:1',
+      sourceId: 'workspace-calendar',
+      externalId: '1',
+      title: 'Trip',
+      startAt: day('2026-05-09'),
+      endAt: new Date('2026-05-12T12:00:00').getTime(),
+      canResizeRange: false,
+    } satisfies CalendarEntry;
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-05-01'),
+      entries: [entry],
+    });
+
+    expect(layout.segments).toMatchObject([
+      { weekIndex: 1, startIndex: 6, span: 1 },
+      { weekIndex: 2, startIndex: 0, span: 3 },
+    ]);
+  });
+
+  it('treats all-day external midnight end as exclusive', () => {
+    const entry = {
+      kind: 'external',
+      id: 'external:1',
+      sourceId: 'workspace-calendar',
+      externalId: '1',
+      title: 'All day',
+      startAt: day('2026-05-15'),
+      endAt: day('2026-05-16'),
+      allDay: true,
+      canResizeRange: false,
+    } satisfies CalendarEntry;
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-05-01'),
+      entries: [entry],
+    });
+
+    expect(
+      layout.days.find(item => item.date === day('2026-05-15'))?.entries
+    ).toEqual([entry]);
+  });
+
+  it('treats row midnight end date as inclusive', () => {
+    const entry = {
+      kind: 'row',
+      id: 'database:row-1',
+      sourceId: 'database',
+      rowId: 'row-1',
+      title: 'Task',
+      startAt: day('2026-05-15'),
+      endAt: day('2026-05-16'),
+      cardProperties: [],
+      canResizeRange: true,
+    } satisfies CalendarEntry;
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-05-01'),
+      entries: [entry],
+    });
+
+    expect(layout.segments).toMatchObject([
+      { weekIndex: 2, startIndex: 5, span: 2 },
+    ]);
+  });
+
+  it('clips range entries to visible month range', () => {
+    const entry = {
+      kind: 'external',
+      id: 'external:1',
+      sourceId: 'workspace-calendar',
+      externalId: '1',
+      title: 'Long trip',
+      startAt: day('2026-04-01'),
+      endAt: day('2026-06-30'),
+      canResizeRange: false,
+    } satisfies CalendarEntry;
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-05-01'),
+      entries: [entry],
+    });
+
+    expect(layout.segments[0]).toMatchObject({
+      weekIndex: 0,
+      startIndex: 0,
+      span: 7,
+    });
+    expect(layout.segments.at(-1)).toMatchObject({
+      weekIndex: layout.weeks.length - 1,
+      startIndex: 0,
+      span: 7,
+    });
+  });
+
+  it('pads month view to full weeks', () => {
+    const range = getCalendarVisibleMonthRange(day('2026-05-01'));
+    const layout = createCalendarMonthLayout({
+      month: day('2026-05-01'),
+      entries: [],
+    });
+
+    expect(new Date(range.from).getDay()).toBe(0);
+    expect(new Date(range.to).getDay()).toBe(6);
+    expect(layout.days).toHaveLength(layout.weeks.length * 7);
+  });
+
+  it('keeps day buckets on local midnight across DST boundaries', () => {
+    const entry = {
+      kind: 'row',
+      id: 'database:row-1',
+      sourceId: 'database',
+      rowId: 'row-1',
+      title: 'DST task',
+      startAt: day('2026-03-09'),
+      cardProperties: [],
+      canResizeRange: false,
+    } satisfies CalendarEntry;
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-03-01'),
+      entries: [entry],
+    });
+
+    expect(
+      layout.days.every(item => {
+        const date = new Date(item.date);
+        return (
+          date.getHours() === 0 &&
+          date.getMinutes() === 0 &&
+          date.getSeconds() === 0 &&
+          date.getMilliseconds() === 0
+        );
+      })
+    ).toBe(true);
+    expect(
+      layout.days.find(item => item.date === day('2026-03-09'))?.entries
+    ).toEqual([entry]);
+  });
+
+  it('keeps range segment offsets across DST boundaries', () => {
+    const entry = {
+      kind: 'external',
+      id: 'external:1',
+      sourceId: 'workspace-calendar',
+      externalId: '1',
+      title: 'DST range',
+      startAt: day('2026-03-09'),
+      endAt: new Date('2026-03-10T12:00:00').getTime(),
+      canResizeRange: false,
+    } satisfies CalendarEntry;
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-03-01'),
+      entries: [entry],
+    });
+
+    expect(layout.segments).toMatchObject([
+      { weekIndex: 1, startIndex: 1, span: 2 },
+    ]);
+  });
+
+  it('keeps all same-day entries in the day bucket', () => {
+    const entries = Array.from(
+      { length: 4 },
+      (_, index) =>
+        ({
+          kind: 'row',
+          id: `database:row-${index}`,
+          sourceId: 'database',
+          rowId: `row-${index}`,
+          title: `Task ${index}`,
+          startAt: day('2026-05-15'),
+          cardProperties: [],
+          canResizeRange: false,
+        }) satisfies CalendarEntry
+    );
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-05-01'),
+      entries,
+    });
+
+    expect(
+      layout.days.find(item => item.date === day('2026-05-15'))?.entries
+    ).toHaveLength(4);
+  });
+
+  it('assigns each overlapping range segment to its own slot', () => {
+    const entries: CalendarEntry[] = [
+      ...Array.from(
+        { length: 3 },
+        (_, index) =>
+          ({
+            kind: 'external',
+            id: `external:full-${index}`,
+            sourceId: 'workspace-calendar',
+            externalId: `full-${index}`,
+            title: `Full ${index}`,
+            startAt: day('2026-05-15'),
+            endAt: new Date('2026-05-17T12:00:00').getTime(),
+            canResizeRange: false,
+          }) as const
+      ),
+      {
+        kind: 'external',
+        id: 'external:short',
+        sourceId: 'workspace-calendar',
+        externalId: 'short',
+        title: 'Short',
+        startAt: day('2026-05-18'),
+        endAt: new Date('2026-05-19T12:00:00').getTime(),
+        canResizeRange: false,
+      },
+    ];
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-05-01'),
+      entries,
+    });
+    const may15 = layout.days.find(item => item.date === day('2026-05-15'))!;
+    const may18 = layout.days.find(item => item.date === day('2026-05-18'))!;
+
+    expect(getCalendarDayContentSlots(may15)).toBe(3);
+    expect(may15.segments.map(segment => segment.slot)).toEqual([0, 1, 2]);
+    expect(getCalendarDayContentSlots(may18)).toBe(1);
+    expect(may18.segments.map(segment => segment.slot)).toEqual([0]);
+  });
+
+  it('counts segment and same-day slots for drag preview placement', () => {
+    const entries: CalendarEntry[] = [
+      ...Array.from(
+        { length: 3 },
+        (_, index) =>
+          ({
+            kind: 'external',
+            id: `external:range-${index}`,
+            sourceId: 'workspace-calendar',
+            externalId: `range-${index}`,
+            title: `Range ${index}`,
+            startAt: day('2026-05-08'),
+            endAt: new Date('2026-05-09T12:00:00').getTime(),
+            canResizeRange: false,
+          }) as const
+      ),
+      {
+        kind: 'row',
+        id: 'database:moving',
+        sourceId: 'database',
+        rowId: 'moving',
+        title: 'Moving',
+        startAt: day('2026-05-06'),
+        endAt: new Date('2026-05-08T12:00:00').getTime(),
+        cardProperties: [],
+        canResizeRange: true,
+      },
+      {
+        kind: 'row',
+        id: 'database:single',
+        sourceId: 'database',
+        rowId: 'single',
+        title: 'Single',
+        startAt: day('2026-05-08'),
+        cardProperties: [],
+        canResizeRange: false,
+      },
+    ];
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-05-01'),
+      entries,
+    });
+    const may8 = layout.days.find(item => item.date === day('2026-05-08'))!;
+
+    expect(getCalendarDayContentSlots(may8, 'database:moving')).toBe(4);
+  });
+
+  it('splits row range entries across weeks with continuation metadata', () => {
+    const entry = {
+      kind: 'row',
+      id: 'database:row-1',
+      sourceId: 'database',
+      rowId: 'row-1',
+      title: 'Project',
+      startAt: day('2026-05-09'),
+      endAt: new Date('2026-05-12T12:00:00').getTime(),
+      cardProperties: [],
+      canResizeRange: true,
+    } satisfies CalendarEntry;
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-05-01'),
+      entries: [entry],
+    });
+
+    expect(layout.segments).toMatchObject([
+      {
+        weekIndex: 1,
+        startIndex: 6,
+        span: 1,
+        startsBeforeWeek: false,
+        endsAfterWeek: true,
+      },
+      {
+        weekIndex: 2,
+        startIndex: 0,
+        span: 3,
+        startsBeforeWeek: true,
+        endsAfterWeek: false,
+      },
+    ]);
+  });
+
+  it('skips range entries completely outside the visible month range', () => {
+    const entry = {
+      kind: 'external',
+      id: 'external:outside',
+      sourceId: 'workspace-calendar',
+      externalId: 'outside',
+      title: 'Outside',
+      startAt: day('2026-06-10'),
+      endAt: day('2026-06-12'),
+      canResizeRange: false,
+    } satisfies CalendarEntry;
+
+    const layout = createCalendarMonthLayout({
+      month: day('2026-05-01'),
+      entries: [entry],
+    });
+
+    expect(layout.segments).toEqual([]);
+    expect(layout.days.every(day => day.segments.length === 0)).toBe(true);
+  });
+});

blocksuite/affine/data-view/src/__tests__/calendar.unit.spec.ts

@@ -0,0 +1,812 @@
+import { DocDisplayMetaProvider } from '@blocksuite/affine-shared/services';
+import { signal } from '@preact/signals-core';
+import { describe, expect, it, vi } from 'vitest';
+
+import type { DataSource } from '../core/data-source/base.js';
+import {
+  CalendarSingleView,
+  type CalendarStoredViewData,
+  calendarViewModel,
+} from '../view-presets/calendar/index.js';
+import {
+  formatEntryTime,
+  openCalendarEntry,
+} from '../view-presets/calendar/pc/actions.js';
+import { getCalendarDndEntity } from '../view-presets/calendar/pc/dnd.js';
+import { viewConverts } from '../view-presets/convert.js';
+
+const day = (value: string) => new Date(`${value}T00:00:00`).getTime();
+
+const createCalendarView = (options?: {
+  startColumnId?: string;
+  endColumnId?: string;
+  datePropertyType?: string;
+  rows?: string[];
+  filterValue?: string;
+  titleValue?: unknown;
+  linkedDocTitles?: Record<string, string>;
+  visiblePropertyIds?: string[];
+  externalFactories?: Map<unknown, unknown>;
+}) => {
+  const rows = signal(options?.rows ?? ['row-1']);
+  const columns = signal(['title', 'date', 'end-date', 'status']);
+  const viewData = signal<CalendarStoredViewData>({
+    id: 'view-1',
+    name: 'Calendar',
+    mode: 'calendar',
+    filter: options?.filterValue
+      ? {
+          type: 'group',
+          op: 'and',
+          conditions: [
+            {
+              type: 'filter',
+              left: { type: 'ref', name: 'status' },
+              function: 'is',
+              args: [{ type: 'literal', value: options.filterValue }],
+            },
+          ],
+        }
+      : {
+          type: 'group',
+          op: 'and',
+          conditions: [],
+        },
+    date: {
+      startColumnId: options?.startColumnId,
+      endColumnId: options?.endColumnId,
+    },
+    card: {
+      titleColumnId: 'title',
+      visiblePropertyIds: options?.visiblePropertyIds ?? [],
+    },
+    sources: {
+      workspaceCalendar: {
+        enabled: true,
+      },
+    },
+  });
+  const values = new Map<string, unknown>([
+    ['row-1:date', day('2026-05-15')],
+    ['row-1:end-date', day('2026-05-17')],
+    ['row-1:status', 'Done'],
+    ['row-1:title', options?.titleValue ?? 'Task'],
+    ['row-2:date', day('2026-05-16')],
+    ['row-2:end-date', day('2026-05-14')],
+    ['row-2:status', 'Todo'],
+    ['row-2:title', 'Hidden'],
+  ]);
+  const types = new Map<string, string>([
+    ['title', 'title'],
+    ['date', options?.datePropertyType ?? 'date'],
+    ['end-date', 'date'],
+    ['status', 'text'],
+  ]);
+
+  const dataSource = {
+    rows$: rows,
+    properties$: columns,
+    readonly$: signal(false),
+    featureFlags$: signal({ enable_table_virtual_scroll: false }),
+    provider: {
+      getAll: () => options?.externalFactories ?? new Map(),
+    },
+    viewDataGet: () => viewData.value,
+    viewDataUpdate: (
+      _id: string,
+      updater: (data: CalendarStoredViewData) => Partial<CalendarStoredViewData>
+    ) => {
+      viewData.value = { ...viewData.value, ...updater(viewData.value) };
+    },
+    cellValueGet: (rowId: string, propertyId: string) =>
+      values.get(`${rowId}:${propertyId}`),
+    cellValueChange: (rowId: string, propertyId: string, value: unknown) => {
+      values.set(`${rowId}:${propertyId}`, value);
+    },
+    rowAdd: () => {
+      const rowId = `row-${rows.value.length + 1}`;
+      rows.value = [...rows.value, rowId];
+      return rowId;
+    },
+    propertyTypeGet: (propertyId: string) => types.get(propertyId),
+    propertyNameGet: (propertyId: string) => propertyId,
+    propertyDataGet: () => ({}),
+    propertyReadonlyGet: () => false,
+    serviceGet: (key: unknown) => {
+      if (key !== DocDisplayMetaProvider) {
+        return null;
+      }
+      return {
+        title: (pageId: string, referenceInfo?: { title?: string }) =>
+          signal(referenceInfo?.title ?? options?.linkedDocTitles?.[pageId]),
+      };
+    },
+    propertyMetaGet: (type: string) => ({
+      type,
+      config: {
+        rawValue: {
+          toJson: ({ value }: { value: unknown }) => {
+            const deltas =
+              typeof value === 'object' && value != null && 'deltas$' in value
+                ? (value as { deltas$?: { value?: unknown } }).deltas$?.value
+                : undefined;
+            if (!Array.isArray(deltas)) {
+              return value;
+            }
+            return deltas
+              .map(delta => {
+                const item = delta as {
+                  insert?: unknown;
+                  attributes?: {
+                    reference?: {
+                      type?: string;
+                      pageId?: unknown;
+                    };
+                  };
+                };
+                const pageId = item.attributes?.reference?.pageId;
+                if (
+                  item.attributes?.reference?.type === 'LinkedPage' &&
+                  typeof pageId === 'string'
+                ) {
+                  return (
+                    options?.linkedDocTitles?.[pageId] ?? item.insert ?? ''
+                  );
+                }
+                return item.insert ?? '';
+              })
+              .join('');
+          },
+          fromJson: ({ value }: { value: unknown }) => value,
+          toString: ({ value }: { value: unknown }) =>
+            typeof value === 'string' ? value : '',
+        },
+        jsonValue: {
+          schema: {
+            safeParse: (value: unknown) => ({ success: true, data: value }),
+          },
+          isEmpty: () => false,
+          type: () => undefined,
+        },
+      },
+      renderer: {},
+    }),
+    propertyAdd: () => {
+      columns.value = [...columns.value, 'created-date'];
+      types.set('created-date', 'date');
+      return 'created-date';
+    },
+    propertyCanDelete: () => true,
+    propertyCanDuplicate: () => true,
+    propertyTypeCanSet: () => true,
+  } as unknown as DataSource;
+  const manager = {
+    dataSource,
+    readonly$: signal(false),
+  };
+  return {
+    view: new CalendarSingleView(manager as any, 'view-1'),
+    viewData,
+    values,
+    types,
+    columns,
+  };
+};
+
+describe('CalendarSingleView', () => {
+  it('creates default view data without selecting a start date', () => {
+    const data = calendarViewModel.model.defaultData({
+      dataSource: {
+        properties$: signal(['title', 'date']),
+        propertyTypeGet: (id: string) => (id === 'title' ? 'title' : 'date'),
+      },
+    } as any);
+
+    expect(data.date).toEqual({});
+    expect(data.card).toEqual({
+      titleColumnId: 'title',
+      visiblePropertyIds: [],
+    });
+  });
+
+  it('enters setup state without a start date property', () => {
+    const { view } = createCalendarView();
+
+    expect(view.dateMapping$.value.status).toBe('setup');
+  });
+
+  it('enters setup state when start date column is not date', () => {
+    const { view } = createCalendarView({
+      startColumnId: 'date',
+      datePropertyType: 'text',
+    });
+
+    expect(view.dateMapping$.value.status).toBe('setup');
+  });
+
+  it('enters setup state after date property deletion', () => {
+    const { view, columns } = createCalendarView({ startColumnId: 'date' });
+
+    columns.value = ['title', 'status'];
+
+    expect(view.dateMapping$.value.status).toBe('setup');
+  });
+
+  it('creates row entries after filtering rows', () => {
+    const { view } = createCalendarView({
+      startColumnId: 'date',
+      rows: ['row-1', 'row-2'],
+      filterValue: 'Done',
+    });
+
+    expect(view.rowEntries$.value.map(entry => entry.rowId)).toEqual(['row-1']);
+  });
+
+  it('updates entry date after row date value changes', () => {
+    const { view, values } = createCalendarView({ startColumnId: 'date' });
+
+    values.set('row-1:date', day('2026-05-20'));
+
+    expect(view.rowEntries$.value[0]?.startAt).toBe(day('2026-05-20'));
+  });
+
+  it('creates row range entries and falls back when end date is invalid', () => {
+    const { view } = createCalendarView({
+      startColumnId: 'date',
+      endColumnId: 'end-date',
+      rows: ['row-1', 'row-2'],
+    });
+
+    expect(
+      view.rowEntries$.value.map(entry => [
+        entry.rowId,
+        entry.startAt,
+        entry.endAt,
+      ])
+    ).toEqual([
+      ['row-1', day('2026-05-15'), day('2026-05-17')],
+      ['row-2', day('2026-05-16'), undefined],
+    ]);
+    expect(view.rowEntries$.value[0]?.canResizeRange).toBe(true);
+  });
+
+  it('moves row range while preserving duration', () => {
+    const { view, values } = createCalendarView({
+      startColumnId: 'date',
+      endColumnId: 'end-date',
+    });
+
+    view.moveRowToDate('row-1', day('2026-05-20'));
+
+    expect(values.get('row-1:date')).toBe(day('2026-05-20'));
+    expect(values.get('row-1:end-date')).toBe(day('2026-05-22'));
+  });
+
+  it('resizes row range without crossing start and end', () => {
+    const { view, values } = createCalendarView({
+      startColumnId: 'date',
+      endColumnId: 'end-date',
+    });
+
+    view.resizeRowRange('row-1', 'start', day('2026-05-18'));
+    expect(values.get('row-1:date')).toBe(day('2026-05-17'));
+
+    view.resizeRowRange('row-1', 'end', day('2026-05-14'));
+    expect(values.get('row-1:end-date')).toBe(day('2026-05-17'));
+  });
+
+  it('creates a row with default filter values and target date', () => {
+    const { view, values } = createCalendarView({
+      startColumnId: 'date',
+      filterValue: 'Done',
+    });
+
+    const rowId = view.createRowOnDate(day('2026-05-25'));
+
+    expect(rowId).toBe('row-2');
+    expect(values.get('row-2:date')).toBe(day('2026-05-25'));
+    expect(values.get('row-2:status')).toBe('Done');
+    expect(view.emptyMonthHintDismissed$.value).toBe(true);
+  });
+
+  it('creates a dated linked-doc row', () => {
+    const { view, values } = createCalendarView({
+      startColumnId: 'date',
+      filterValue: 'Done',
+    });
+
+    const rowId = view.createLinkedDocRowOnDate(day('2026-05-25'), 'doc-1');
+    const title = values.get('row-2:title') as
+      | { toDelta?: () => unknown[] }
+      | undefined;
+
+    expect(rowId).toBe('row-2');
+    expect(values.get('row-2:date')).toBe(day('2026-05-25'));
+    expect(values.get('row-2:status')).toBe('Done');
+    expect(title?.toDelta?.()).toEqual([
+      {
+        insert: ' ',
+        attributes: {
+          reference: {
+            type: 'LinkedPage',
+            pageId: 'doc-1',
+          },
+        },
+      },
+    ]);
+  });
+
+  it('dismisses the empty month hint on the current calendar view', () => {
+    const { view, viewData } = createCalendarView({
+      startColumnId: 'date',
+    });
+
+    expect(view.emptyMonthHintDismissed$.value).toBe(false);
+
+    view.dismissEmptyMonthHint();
+
+    expect(view.emptyMonthHintDismissed$.value).toBe(true);
+    expect('ui' in viewData.value && viewData.value.ui).toEqual({
+      emptyMonthHintDismissed: true,
+    });
+  });
+
+  it('updates workspace calendar settings when legacy view data has no sources', () => {
+    const { view, viewData } = createCalendarView({
+      startColumnId: 'date',
+    });
+    viewData.value = {
+      ...viewData.value,
+      sources: undefined as unknown as CalendarStoredViewData['sources'],
+    };
+
+    view.setWorkspaceCalendarEnabled(false);
+
+    expect(viewData.value.sources.workspaceCalendar).toEqual({
+      enabled: false,
+    });
+  });
+
+  it('enters setup state when legacy view data has no date config', () => {
+    const { view, viewData } = createCalendarView({
+      startColumnId: 'date',
+      endColumnId: 'end-date',
+    });
+    viewData.value = {
+      ...viewData.value,
+      date: undefined as unknown as CalendarStoredViewData['date'],
+    };
+
+    expect(view.dateMapping$.value).toEqual({
+      status: 'setup',
+      propertyId: undefined,
+    });
+    expect(view.endDateMapping$.value).toEqual({
+      status: 'setup',
+      propertyId: undefined,
+    });
+  });
+
+  it('generates card properties from visible property ids', () => {
+    const { view } = createCalendarView({
+      startColumnId: 'date',
+      visiblePropertyIds: ['status'],
+    });
+
+    expect(view.rowEntries$.value[0]?.cardProperties).toEqual([
+      {
+        propertyId: 'status',
+        value: 'Done',
+      },
+    ]);
+  });
+
+  it('parses single linked doc id from title cell', () => {
+    const { view } = createCalendarView({
+      startColumnId: 'date',
+      linkedDocTitles: {
+        'doc-1': 'Linked doc title',
+      },
+      titleValue: {
+        deltas$: {
+          value: [
+            {
+              insert: 'Doc',
+              attributes: {
+                reference: {
+                  type: 'LinkedPage',
+                  pageId: 'doc-1',
+                },
+              },
+            },
+          ],
+        },
+      },
+    });
+
+    expect(view.rowEntries$.value[0]?.titleSegments).toEqual([
+      { text: 'Linked doc title', linkedDoc: true },
+    ]);
+    expect(view.rowEntries$.value[0]?.title).toBe('Linked doc title');
+  });
+
+  it('uses normal title text for multiple linked doc titles', () => {
+    const { view } = createCalendarView({
+      startColumnId: 'date',
+      linkedDocTitles: {
+        'doc-1': 'Doc 1',
+        'doc-2': 'Doc 2',
+      },
+      titleValue: {
+        deltas$: {
+          value: [
+            {
+              insert: 'Doc 1',
+              attributes: {
+                reference: {
+                  type: 'LinkedPage',
+                  pageId: 'doc-1',
+                },
+              },
+            },
+            {
+              insert: 'Doc 2',
+              attributes: {
+                reference: {
+                  type: 'LinkedPage',
+                  pageId: 'doc-2',
+                },
+              },
+            },
+          ],
+        },
+      },
+    });
+
+    expect(view.rowEntries$.value[0]?.titleSegments).toEqual([
+      { text: 'Doc 1', linkedDoc: true },
+      { text: 'Doc 2', linkedDoc: true },
+    ]);
+    expect(view.rowEntries$.value[0]?.title).toBe('Doc 1Doc 2');
+  });
+
+  it('falls back to the resolved title when linked doc deltas only contain placeholders', () => {
+    const { view } = createCalendarView({
+      startColumnId: 'date',
+      linkedDocTitles: {
+        'doc-1': 'Doc 1',
+        'doc-2': 'Doc 2',
+      },
+      titleValue: {
+        deltas$: {
+          value: [
+            {
+              insert: ' ',
+              attributes: {
+                reference: {
+                  type: 'LinkedPage',
+                  pageId: 'doc-1',
+                },
+              },
+            },
+            {
+              insert: ' ',
+              attributes: {
+                reference: {
+                  type: 'LinkedPage',
+                  pageId: 'doc-2',
+                },
+              },
+            },
+          ],
+        },
+      },
+    });
+
+    expect(view.rowEntries$.value[0]?.titleSegments).toEqual([
+      { text: 'Doc 1', linkedDoc: true },
+      { text: 'Doc 2', linkedDoc: true },
+    ]);
+  });
+
+  it('merges linked doc placeholders with the following plain title text', () => {
+    const { view } = createCalendarView({
+      startColumnId: 'date',
+      titleValue: {
+        deltas$: {
+          value: [
+            {
+              insert: ' ',
+              attributes: {
+                reference: { type: 'LinkedPage', pageId: 'doc-1' },
+              },
+            },
+            { insert: 'How to use folder and Tags' },
+          ],
+        },
+      },
+    });
+
+    expect(view.rowEntries$.value[0]?.titleSegments).toEqual([
+      { text: 'How to use folder and Tags', linkedDoc: true },
+    ]);
+  });
+
+  it('updates date mapping through setup APIs', () => {
+    const { view, viewData, values } = createCalendarView({
+      startColumnId: 'date',
+    });
+
+    view.moveRowToDate('row-1', day('2026-05-21'));
+    expect(values.get('row-1:date')).toBe(day('2026-05-21'));
+
+    view.setDateColumn('date');
+    expect('date' in viewData.value && viewData.value.date.startColumnId).toBe(
+      'date'
+    );
+
+    expect(view.createDateColumn()).toBe('created-date');
+    expect('date' in viewData.value && viewData.value.date.startColumnId).toBe(
+      'created-date'
+    );
+  });
+
+  it('aggregates external source entries without mutating view data', async () => {
+    const externalEntry = {
+      kind: 'external',
+      id: 'external:1',
+      sourceId: 'source',
+      externalId: '1',
+      title: 'External',
+      startAt: day('2026-05-15'),
+      canResizeRange: false,
+    } as const;
+    const anotherExternalEntry = {
+      kind: 'external',
+      id: 'external:2',
+      sourceId: 'another-source',
+      externalId: '2',
+      title: 'Another external',
+      startAt: day('2026-05-16'),
+      canResizeRange: false,
+    } as const;
+    const { view, viewData } = createCalendarView({
+      startColumnId: 'date',
+      externalFactories: new Map([
+        [
+          'source',
+          {
+            create: () => ({
+              id: 'source',
+              getEntries: () => [externalEntry],
+            }),
+          },
+        ],
+        [
+          'another-source',
+          {
+            create: () => ({
+              id: 'another-source',
+              getEntries: () => Promise.resolve([anotherExternalEntry]),
+            }),
+          },
+        ],
+      ]),
+    });
+    const viewDataBefore = JSON.stringify(viewData.value);
+
+    await expect(
+      view.loadExternalEntries({
+        from: day('2026-05-01'),
+        to: day('2026-05-31'),
+      })
+    ).resolves.toEqual([externalEntry, anotherExternalEntry]);
+    expect(JSON.stringify(viewData.value)).toBe(viewDataBefore);
+  });
+
+  it('keeps successful external entries when another source fails', async () => {
+    const externalEntry = {
+      kind: 'external',
+      id: 'external:1',
+      sourceId: 'source',
+      externalId: '1',
+      title: 'External',
+      startAt: day('2026-05-15'),
+      canResizeRange: false,
+    } as const;
+    const { view } = createCalendarView({
+      startColumnId: 'date',
+      externalFactories: new Map([
+        [
+          'source',
+          {
+            create: () => ({
+              id: 'source',
+              getEntries: () => [externalEntry],
+            }),
+          },
+        ],
+        [
+          'failing-source',
+          {
+            create: () => ({
+              id: 'failing-source',
+              getEntries: () => Promise.reject(new Error('denied')),
+            }),
+          },
+        ],
+      ]),
+    });
+
+    await expect(
+      view.loadExternalEntries({
+        from: day('2026-05-01'),
+        to: day('2026-05-31'),
+      })
+    ).resolves.toEqual([externalEntry]);
+  });
+
+  it('does not let stale external entry loads overwrite newer entries', async () => {
+    const oldEntry = {
+      kind: 'external',
+      id: 'external:old',
+      sourceId: 'source',
+      externalId: 'old',
+      title: 'Old',
+      startAt: day('2026-05-15'),
+      canResizeRange: false,
+    } as const;
+    const newEntry = {
+      kind: 'external',
+      id: 'external:new',
+      sourceId: 'source',
+      externalId: 'new',
+      title: 'New',
+      startAt: day('2026-06-15'),
+      canResizeRange: false,
+    } as const;
+    let resolveOld!: (entries: [typeof oldEntry]) => void;
+    let resolveNew!: (entries: [typeof newEntry]) => void;
+    const oldRequest = new Promise<[typeof oldEntry]>(resolve => {
+      resolveOld = resolve;
+    });
+    const newRequest = new Promise<[typeof newEntry]>(resolve => {
+      resolveNew = resolve;
+    });
+    const getEntries = vi
+      .fn()
+      .mockReturnValueOnce(oldRequest)
+      .mockReturnValueOnce(newRequest);
+    const { view } = createCalendarView({
+      startColumnId: 'date',
+      externalFactories: new Map([
+        [
+          'source',
+          {
+            create: () => ({
+              id: 'source',
+              getEntries,
+            }),
+          },
+        ],
+      ]),
+    });
+
+    const firstLoad = view.loadExternalEntries({
+      from: day('2026-05-01'),
+      to: day('2026-05-31'),
+    });
+    const secondLoad = view.loadExternalEntries({
+      from: day('2026-06-01'),
+      to: day('2026-06-30'),
+    });
+
+    resolveNew([newEntry]);
+    await expect(secondLoad).resolves.toEqual([newEntry]);
+    expect(
+      view.entries$.value.filter(entry => entry.kind === 'external')
+    ).toEqual([newEntry]);
+
+    resolveOld([oldEntry]);
+    await expect(firstLoad).resolves.toEqual([oldEntry]);
+    expect(
+      view.entries$.value.filter(entry => entry.kind === 'external')
+    ).toEqual([newEntry]);
+  });
+});
+
+describe('calendar entry actions', () => {
+  it('formats external event popover time ranges with end time', () => {
+    const label = formatEntryTime({
+      kind: 'external',
+      id: 'external:1',
+      sourceId: 'workspace-calendar',
+      externalId: '1',
+      title: 'Planning',
+      startAt: new Date('2026-05-15T10:00:00').getTime(),
+      endAt: new Date('2026-05-15T11:00:00').getTime(),
+      canResizeRange: false,
+    });
+
+    expect(label).toContain(' - ');
+    expect(label).toContain('2026');
+  });
+
+  it('opens row entries through the detail panel hook', () => {
+    const openDetailPanel = vi.fn();
+    const { view } = createCalendarView({ startColumnId: 'date' });
+    const target = {} as HTMLElement;
+
+    openCalendarEntry(
+      { openDetailPanel } as any,
+      view,
+      {
+        kind: 'row',
+        id: 'database:row-1',
+        sourceId: 'database',
+        rowId: 'row-1',
+        title: 'Doc',
+        startAt: day('2026-05-15'),
+        cardProperties: [],
+        canResizeRange: false,
+      },
+      target
+    );
+
+    expect(openDetailPanel).toHaveBeenCalledWith(
+      expect.objectContaining({ view, rowId: 'row-1' })
+    );
+  });
+});
+
+describe('calendar view converts', () => {
+  it('converts header/card semantics without date mapping', () => {
+    const tableToCalendar = viewConverts.find(
+      convert => convert.from === 'table' && convert.to === 'calendar'
+    );
+    const calendarToKanban = viewConverts.find(
+      convert => convert.from === 'calendar' && convert.to === 'kanban'
+    );
+    const filter = { type: 'group', op: 'and', conditions: [] } as const;
+    const sort = { columns: [] };
+    const header = { titleColumn: 'title' };
+
+    expect(tableToCalendar?.convert({ filter, sort, header } as any)).toEqual({
+      filter,
+      sort,
+      card: { titleColumnId: 'title', visiblePropertyIds: [] },
+    });
+    expect(
+      calendarToKanban?.convert({
+        filter,
+        sort,
+        card: { titleColumnId: 'title', visiblePropertyIds: ['status'] },
+        date: { startColumnId: 'date' },
+      } as any)
+    ).toEqual({ filter, sort, header });
+  });
+});
+
+describe('calendar dnd payload', () => {
+  it('reads calendar entry payloads from blocksuite dnd data', () => {
+    expect(
+      getCalendarDndEntity({
+        bsEntity: { type: 'calendar-entry', entryId: 'database:row-1' },
+      })
+    ).toEqual({ type: 'calendar-entry', entryId: 'database:row-1' });
+  });
+
+  it('normalizes affine doc entities for future document drops', () => {
+    expect(
+      getCalendarDndEntity({
+        entity: { type: 'doc', id: 'doc-1' },
+      })
+    ).toEqual({ type: 'doc', docId: 'doc-1' });
+  });
+
+  it('reads document payloads from blocksuite dnd data', () => {
+    expect(
+      getCalendarDndEntity({ bsEntity: { type: 'doc', docId: 'doc-1' } })
+    ).toEqual({ type: 'doc', docId: 'doc-1' });
+  });
+});

blocksuite/affine/data-view/src/core/data-view.ts

@@ -8,6 +8,7 @@ import { BlockSuiteError } from '@blocksuite/global/exceptions';
 import { SignalWatcher, WithDisposable } from '@blocksuite/global/lit';
 import {
   type Clipboard,
+  type DndController,
   type EventName,
   ShadowlessElement,
   type UIEventHandler,
@@ -29,6 +30,7 @@ import type { DataViewWidget } from './widget/index.js';
 
 export type DataViewRendererConfig = {
   clipboard: Clipboard;
+  dnd?: DndController;
   onDrag?: (evt: MouseEvent, id: string) => () => void;
   notification: {
     toast: (message: string) => void;

blocksuite/affine/data-view/src/core/group-by/setting.ts

@@ -2,15 +2,10 @@ import {
   dropdownSubMenuMiddleware,
   menu,
   type MenuConfig,
-  type MenuOptions,
-  popMenu,
-  type PopupTarget,
 } from '@blocksuite/affine-components/context-menu';
 import { SignalWatcher, WithDisposable } from '@blocksuite/global/lit';
 import { DeleteIcon, InvisibleIcon, ViewIcon } from '@blocksuite/icons/lit';
 import { ShadowlessElement } from '@blocksuite/std';
-import type { Middleware } from '@floating-ui/dom';
-import { autoPlacement, offset, shift } from '@floating-ui/dom';
 import { computed } from '@preact/signals-core';
 import { cssVarV2 } from '@toeverything/theme/v2';
 import { css, html, unsafeCSS } from 'lit';
@@ -260,19 +255,12 @@ export class GroupSetting extends SignalWatcher(
   @query('.group-sort-setting') accessor groupContainer!: HTMLElement;
 }
 
-export const selectGroupByProperty = (
+export const buildGroupSelectItems = (
   group: GroupTrait,
-  ops?: {
+  onSelect: (id?: string) => void
-    onSelect?: (id?: string) => void;
+): MenuConfig[] => {
-    onClose?: () => void;
-    onBack?: () => void;
-  }
-): MenuOptions => {
   const view = group.view;
-  return {
+  return [
-    onClose: ops?.onClose,
-    title: { text: 'Group by', onBack: ops?.onBack, onClose: ops?.onClose },
-    items: [
     menu.group({
       items: view.propertiesRaw$.value
         .filter(property => {
@@ -289,17 +277,18 @@ export const selectGroupByProperty = (
           const groupByService = getGroupByService(view.manager.dataSource);
           return !!groupByService?.matcher.match(dataType);
         })
-          .map<MenuConfig>(property => {
+        .map<MenuConfig>(property =>
-            return menu.action({
+          menu.action({
             name: property.name$.value,
             isSelected: group.property$.value?.id === property.id,
-              prefix: html` <uni-lit .uni="${property.icon}"></uni-lit>`,
+            prefix: html`<uni-lit .uni="${property.icon}"></uni-lit>`,
             select: () => {
               group.changeGroup(property.id);
-                ops?.onSelect?.(property.id);
+              onSelect(property.id);
+              return false;
             },
-            });
+          })
-          }),
+        ),
     }),
     menu.group({
       items: [
@@ -311,50 +300,28 @@ export const selectGroupByProperty = (
           name: 'Remove Grouping',
           select: () => {
             group.changeGroup(undefined);
-              ops?.onSelect?.();
+            onSelect(undefined);
+            return false;
           },
         }),
       ],
     }),
-    ],
+  ];
-  };
 };
 
-export const popSelectGroupByProperty = (
+export const buildGroupSettingItems = (
-  target: PopupTarget,
   group: GroupTrait,
-  ops?: { onSelect?: () => void; onClose?: () => void; onBack?: () => void },
+  onGroupByClick: () => void,
-  middleware?: Array<Middleware | null | undefined | false>
+  onGroupRemoved?: () => void
-) => {
+): MenuConfig[] => {
-  const handler = popMenu(target, {
-    options: selectGroupByProperty(group, ops),
-    middleware,
-  });
-  handler.menu.menuElement.style.minHeight = '550px';
-};
-
-export const popGroupSetting = (
-  target: PopupTarget,
-  group: GroupTrait,
-  onBack: () => void,
-  onClose?: () => void,
-  middleware?: Array<Middleware | null | undefined | false>
-) => {
   const view = group.view;
   const gProp = group.property$.value;
-  if (!gProp) return;
+  if (!gProp) return [];
   const type = gProp.type$.value;
-  if (!type) return;
+  if (!type) return [];
-
   const icon = gProp.icon;
-  const menuHandler = popMenu(target, {
+
-    options: {
+  return [
-      title: {
-        text: 'Group',
-        onBack,
-        onClose,
-      },
-      items: [
     menu.group({
       items: [
         menu.action({
@@ -368,39 +335,8 @@ export const popGroupSetting = (
             </div>
           `,
           select: () => {
-                const subHandler = popMenu(target, {
+            onGroupByClick();
-                  options: selectGroupByProperty(group, {
+            return false;
-                    onSelect: () => {
-                      menuHandler.close();
-                      popGroupSetting(
-                        target,
-                        group,
-                        onBack,
-                        onClose,
-                        middleware
-                      );
-                    },
-                    onBack: () => {
-                      menuHandler.close();
-                      popGroupSetting(
-                        target,
-                        group,
-                        onBack,
-                        onClose,
-                        middleware
-                      );
-                    },
-                    onClose,
-                  }),
-                  middleware: [
-                    autoPlacement({
-                      allowedPlacements: ['bottom-start', 'top-start'],
-                    }),
-                    offset({ mainAxis: 15, crossAxis: -162 }),
-                    shift({ crossAxis: true }),
-                  ],
-                });
-                subHandler.menu.menuElement.style.minHeight = '550px';
           },
         }),
       ],
@@ -446,8 +382,7 @@ export const popGroupSetting = (
                               name: label,
                               label: () => {
                                 const isSelected =
-                                      group.groupInfo$.value?.config.name ===
+                                  group.groupInfo$.value?.config.name === key;
-                                      key;
                                 return html`<span
                                   style="font-size:14px;color:${isSelected
                                     ? 'var(--affine-text-emphasis-color)'
@@ -501,8 +436,8 @@ export const popGroupSetting = (
                                   name: label,
                                   label: () => {
                                     const isSelected =
-                                          group.groupInfo$.value?.config
+                                      group.groupInfo$.value?.config.name ===
-                                            .name === key;
+                                      key;
                                     return html`<span
                                       style="font-size:14px;color:${isSelected
                                         ? 'var(--affine-text-emphasis-color)'
@@ -511,8 +446,7 @@ export const popGroupSetting = (
                                     >`;
                                   },
                                   isSelected:
-                                        group.groupInfo$.value?.config.name ===
+                                    group.groupInfo$.value?.config.name === key,
-                                        key,
                                   select: () => {
                                     group.changeGroupMode(key);
                                     return false;
@@ -540,9 +474,7 @@ export const popGroupSetting = (
                     <div
                       style="display:flex;align-items:center;gap:4px;font-size:14px;line-height:20px;color:var(--affine-text-secondary-color);margin-left:8px;"
                     >
-                          ${group.sortAsc$.value
+                      ${group.sortAsc$.value ? 'Oldest first' : 'Newest first'}
-                            ? 'Oldest first'
-                            : 'Newest first'}
                     </div>
                   `,
                   options: {
@@ -608,9 +540,9 @@ export const popGroupSetting = (
     }),
     menu.group({
       items: [
-            menu => html`
+        menuObj => html`
           <data-view-group-setting
-                @mouseenter=${() => menu.closeSubMenu()}
+            @mouseenter=${() => menuObj.closeSubMenu()}
             .groupTrait=${group}
             .columnId=${gProp.id}
           ></data-view-group-setting>
@@ -627,14 +559,11 @@ export const popGroupSetting = (
           hide: () => !(view instanceof TableSingleView),
           select: () => {
             group.changeGroup(undefined);
+            onGroupRemoved?.();
             return false;
           },
         }),
       ],
     }),
-      ],
+  ];
-    },
-    middleware,
-  });
-  menuHandler.menu.menuElement.style.minHeight = '550px';
 };

blocksuite/affine/data-view/src/view-presets/calendar/calendar-view-manager.ts

@@ -0,0 +1,605 @@
+import { DocDisplayMetaProvider } from '@blocksuite/affine-shared/services';
+import type { AffineTextAttributes } from '@blocksuite/affine-shared/types';
+import type { InsertToPosition } from '@blocksuite/affine-shared/utils';
+import { type DeltaInsert, Text } from '@blocksuite/store';
+import { computed, type ReadonlySignal, signal } from '@preact/signals-core';
+import { Doc } from 'yjs';
+
+import { evalFilter } from '../../core/filter/eval.js';
+import { generateDefaultValues } from '../../core/filter/generate-default-values.js';
+import { FilterTrait, filterTraitKey } from '../../core/filter/trait.js';
+import type { FilterGroup } from '../../core/filter/types.js';
+import { emptyFilterGroup } from '../../core/filter/utils.js';
+import { fromJson } from '../../core/property/utils';
+import { SortManager, sortTraitKey } from '../../core/sort/manager.js';
+import { PropertyBase } from '../../core/view-manager/property.js';
+import { type Row, RowBase } from '../../core/view-manager/row.js';
+import {
+  type SingleView,
+  SingleViewBase,
+} from '../../core/view-manager/single-view.js';
+import type { ViewManager } from '../../core/view-manager/view-manager.js';
+import { getCalendarExternalSources } from './source.js';
+import type {
+  CalendarEntry,
+  CalendarEntryRange,
+  CalendarExternalEntry,
+  CalendarExternalSource,
+  CalendarRowEntry,
+  CalendarStoredViewData,
+  CalendarTitleSegment,
+} from './types.js';
+
+export type CalendarDateMapping =
+  | {
+      status: 'ready';
+      propertyId: string;
+    }
+  | {
+      status: 'setup';
+      propertyId?: string;
+    };
+
+const getStartColumnId = (data?: CalendarStoredViewData) =>
+  data?.date?.startColumnId;
+
+const getEndColumnId = (data?: CalendarStoredViewData) => {
+  return data?.date?.endColumnId;
+};
+
+const getDateData = (data: CalendarStoredViewData) => ({
+  ...data.date,
+  startColumnId: getStartColumnId(data),
+});
+
+const getCardData = (data?: CalendarStoredViewData) => {
+  if (data) {
+    return data.card;
+  }
+  return {
+    visiblePropertyIds: [],
+  };
+};
+
+const toTimestamp = (date: number | Date) =>
+  date instanceof Date ? date.getTime() : date;
+
+const isValidTimestamp = (value: unknown): value is number =>
+  typeof value === 'number' && Number.isFinite(value);
+
+const createLinkedDocTitle = (docId: string) => {
+  const text = new Text<AffineTextAttributes>();
+  new Doc().getMap('root').set('text', text.yText);
+  text.applyDelta([
+    {
+      insert: ' ',
+      attributes: { reference: { type: 'LinkedPage', pageId: docId } },
+    },
+  ] satisfies DeltaInsert<AffineTextAttributes>[]);
+  return text;
+};
+
+const getTitleDeltas = (value: unknown) =>
+  typeof value === 'object' && value != null && 'deltas$' in value
+    ? (value as { deltas$?: { value?: unknown } }).deltas$?.value
+    : undefined;
+
+const getTitleSegments = (
+  value: unknown,
+  title: string,
+  getLinkedDocTitle?: (pageId: string, title?: string) => string | undefined
+): CalendarTitleSegment[] | undefined => {
+  const deltas = getTitleDeltas(value);
+  if (!Array.isArray(deltas)) {
+    return;
+  }
+  const segments = deltas.flatMap(delta => {
+    const item = delta as {
+      insert?: unknown;
+      attributes?: {
+        reference?: {
+          type?: string;
+          pageId?: unknown;
+          title?: unknown;
+        };
+      };
+    };
+    const linkedDoc =
+      item.attributes?.reference?.type === 'LinkedPage' &&
+      typeof item.attributes.reference.pageId === 'string';
+    const referenceTitle = item.attributes?.reference?.title;
+    const resolvedLinkedDocTitle =
+      linkedDoc && typeof item.attributes?.reference?.pageId === 'string'
+        ? getLinkedDocTitle?.(
+            item.attributes.reference.pageId,
+            typeof referenceTitle === 'string' ? referenceTitle : undefined
+          )
+        : undefined;
+    const text =
+      resolvedLinkedDocTitle ||
+      (linkedDoc && typeof referenceTitle === 'string' && referenceTitle
+        ? referenceTitle
+        : typeof item.insert === 'string'
+          ? item.insert.trim()
+          : '');
+    if (linkedDoc) {
+      return {
+        text,
+        linkedDoc,
+      };
+    }
+    if (!text) {
+      return [];
+    }
+    return {
+      text,
+    };
+  });
+  const normalizedSegments = segments.reduce<CalendarTitleSegment[]>(
+    (result, segment) => {
+      const previous = result.at(-1);
+      if (
+        previous?.linkedDoc &&
+        !previous.text &&
+        !segment.linkedDoc &&
+        segment.text
+      ) {
+        previous.text = segment.text;
+        return result;
+      }
+      result.push(segment);
+      return result;
+    },
+    []
+  );
+  if (!normalizedSegments.some(segment => segment.linkedDoc)) {
+    return;
+  }
+  if (!normalizedSegments.some(segment => segment.text)) {
+    return title
+      ? [...normalizedSegments, { text: title }]
+      : normalizedSegments;
+  }
+  return normalizedSegments;
+};
+
+export class CalendarSingleView extends SingleViewBase<CalendarStoredViewData> {
+  private readonly externalEntries$ = signal<CalendarExternalEntry[]>([]);
+
+  private externalEntriesRequestId = 0;
+
+  propertiesRaw$ = computed(() => {
+    return this.dataSource.properties$.value.map(id =>
+      this.propertyGetOrCreate(id)
+    );
+  });
+
+  properties$ = this.propertiesRaw$;
+
+  detailProperties$ = computed(() => {
+    return this.propertiesRaw$.value.filter(
+      property => property.type$.value !== 'title'
+    );
+  });
+
+  private readonly filter$ = computed(() => {
+    return this.data$.value?.filter ?? emptyFilterGroup;
+  });
+
+  private readonly sortList$ = computed(() => {
+    return this.data$.value?.sort;
+  });
+
+  emptyMonthHintDismissed$ = computed(() => {
+    return this.data$.value?.ui?.emptyMonthHintDismissed ?? false;
+  });
+
+  private readonly sortManager = this.traitSet(
+    sortTraitKey,
+    new SortManager(this.sortList$, this, {
+      setSortList: sortList => {
+        this.dataUpdate(data => ({
+          sort: {
+            ...data.sort,
+            ...sortList,
+          },
+        }));
+      },
+    })
+  );
+
+  filterTrait = this.traitSet(
+    filterTraitKey,
+    new FilterTrait(this.filter$, this, {
+      filterSet: (filter: FilterGroup) => {
+        this.dataUpdate(() => ({ filter }));
+      },
+    })
+  );
+
+  mainProperties$ = computed(() => {
+    const card = getCardData(this.data$.value);
+    return {
+      titleColumn:
+        card.titleColumnId ??
+        this.propertiesRaw$.value.find(
+          property => property.type$.value === 'title'
+        )?.id,
+    };
+  });
+
+  readonly$ = computed(() => {
+    return this.manager.readonly$.value;
+  });
+
+  dateProperties$ = computed(() => {
+    return this.propertiesRaw$.value.filter(
+      property => property.type$.value === 'date'
+    );
+  });
+
+  dateMapping$: ReadonlySignal<CalendarDateMapping> = computed(() => {
+    const propertyId = getStartColumnId(this.data$.value);
+    if (
+      propertyId &&
+      this.dataSource.properties$.value.includes(propertyId) &&
+      this.dataSource.propertyTypeGet(propertyId) === 'date'
+    ) {
+      return {
+        status: 'ready',
+        propertyId,
+      };
+    }
+    return {
+      status: 'setup',
+      propertyId,
+    };
+  });
+
+  startDateMapping$ = this.dateMapping$;
+
+  endDateMapping$: ReadonlySignal<CalendarDateMapping> = computed(() => {
+    const propertyId = getEndColumnId(this.data$.value);
+    if (
+      propertyId &&
+      this.dataSource.properties$.value.includes(propertyId) &&
+      this.dataSource.propertyTypeGet(propertyId) === 'date'
+    ) {
+      return {
+        status: 'ready',
+        propertyId,
+      };
+    }
+    return {
+      status: 'setup',
+      propertyId,
+    };
+  });
+
+  private readonly visibleCardProperties$ = computed(() => {
+    const card = getCardData(this.data$.value);
+    const visiblePropertyIds = card.visiblePropertyIds ?? [];
+    const titleColumn = card.titleColumnId;
+    return visiblePropertyIds
+      .filter(propertyId => propertyId !== titleColumn)
+      .map(propertyId => this.propertyGetOrCreate(propertyId));
+  });
+
+  rowEntries$ = computed<CalendarRowEntry[]>(() => {
+    const mapping = this.dateMapping$.value;
+    if (mapping.status !== 'ready') {
+      return [];
+    }
+    const endMapping = this.endDateMapping$.value;
+    return this.rows$.value.flatMap(row => {
+      const startAt = this.cellGetOrCreate(row.rowId, mapping.propertyId)
+        .jsonValue$.value;
+      if (!isValidTimestamp(startAt)) {
+        return [];
+      }
+      const endAt =
+        endMapping.status === 'ready'
+          ? this.cellGetOrCreate(row.rowId, endMapping.propertyId).jsonValue$
+              .value
+          : undefined;
+      const titleColumn = this.mainProperties$.value.titleColumn ?? 'title';
+      const titleCell = this.cellGetOrCreate(row.rowId, titleColumn);
+      const jsonTitle = titleCell.jsonValue$.value;
+      const title =
+        (typeof jsonTitle === 'string'
+          ? jsonTitle
+          : titleCell.stringValue$.value) ?? '';
+      const docDisplayMeta = this.manager.dataSource.serviceGet(
+        DocDisplayMetaProvider
+      );
+      const resolveLinkedDocTitle = (pageId: string, title?: string) =>
+        docDisplayMeta?.title(pageId, { title }).value;
+      const titleSegments = getTitleSegments(
+        titleCell.value$.value,
+        title,
+        resolveLinkedDocTitle
+      );
+      const cardProperties = this.visibleCardProperties$.value.flatMap(
+        property => {
+          const cell = this.cellGetOrCreate(row.rowId, property.id);
+          const value = cell.stringValue$.value;
+          if (!value) {
+            return [];
+          }
+          return {
+            propertyId: property.id,
+            value,
+          };
+        }
+      );
+      return {
+        kind: 'row',
+        id: `database:${row.rowId}`,
+        sourceId: 'database',
+        rowId: row.rowId,
+        title,
+        startAt,
+        endAt: isValidTimestamp(endAt) && endAt >= startAt ? endAt : undefined,
+        titleSegments,
+        cardProperties,
+        canResizeRange: endMapping.status === 'ready' && !this.readonly$.value,
+      } satisfies CalendarRowEntry;
+    });
+  });
+
+  entries$ = computed<CalendarEntry[]>(() => {
+    return [...this.rowEntries$.value, ...this.externalEntries$.value];
+  });
+
+  externalSources$ = computed<CalendarExternalSource[]>(() => {
+    const viewData = this.data$.value;
+    if (!viewData) {
+      return [];
+    }
+    return getCalendarExternalSources(this.dataSource, viewData);
+  });
+
+  get type(): string {
+    return this.data$.value?.mode ?? 'calendar';
+  }
+
+  constructor(viewManager: ViewManager, viewId: string) {
+    super(viewManager, viewId);
+  }
+
+  isShow(rowId: string): boolean {
+    if (this.filter$.value.conditions.length) {
+      const rowMap = Object.fromEntries(
+        this.propertiesRaw$.value.map(column => [
+          column.id,
+          column.cellGetOrCreate(rowId).jsonValue$.value,
+        ])
+      );
+      return evalFilter(this.filter$.value, rowMap);
+    }
+    return true;
+  }
+
+  override rowsMapping(rows: Row[]) {
+    return this.sortManager.sort(super.rowsMapping(rows));
+  }
+
+  propertyGetOrCreate(propertyId: string): CalendarProperty {
+    return new CalendarProperty(this, propertyId);
+  }
+
+  override rowGetOrCreate(rowId: string): CalendarRow {
+    return new CalendarRow(this, rowId);
+  }
+
+  setStartDateColumn(propertyId: string) {
+    this.dataUpdate(data => ({
+      date: {
+        ...getDateData(data),
+        startColumnId: propertyId,
+      },
+    }));
+  }
+
+  setDateColumn(propertyId: string) {
+    this.setStartDateColumn(propertyId);
+  }
+
+  setEndDateColumn(propertyId: string | undefined) {
+    this.dataUpdate(data => ({
+      date: {
+        ...getDateData(data),
+        endColumnId: propertyId,
+      },
+    }));
+  }
+
+  setWorkspaceCalendarEnabled(enabled: boolean) {
+    this.dataUpdate(data => ({
+      sources: {
+        ...data.sources,
+        workspaceCalendar: {
+          ...(data.sources?.workspaceCalendar ?? { enabled: true }),
+          enabled,
+        },
+      },
+    }));
+  }
+
+  setWorkspaceCalendarSubscriptionIds(subscriptionIds?: string[]) {
+    this.dataUpdate(data => ({
+      sources: {
+        ...data.sources,
+        workspaceCalendar: {
+          ...(data.sources?.workspaceCalendar ?? { enabled: true }),
+          subscriptionIds,
+        },
+      },
+    }));
+  }
+
+  dismissEmptyMonthHint() {
+    this.dataUpdate(data => ({
+      ui: {
+        ...data.ui,
+        emptyMonthHintDismissed: true,
+      },
+    }));
+  }
+
+  getDocDisplayTitle(docId: string) {
+    return (
+      this.manager.dataSource.serviceGet(DocDisplayMetaProvider)?.title(docId)
+        .value ?? 'Untitled'
+    );
+  }
+
+  createStartDateColumn() {
+    const id = this.propertyAdd('end', {
+      type: 'date',
+      name: 'Date',
+    });
+    if (id) {
+      this.setStartDateColumn(id);
+    }
+    return id;
+  }
+
+  createDateColumn() {
+    return this.createStartDateColumn();
+  }
+
+  createEndDateColumn() {
+    const id = this.propertyAdd('end', {
+      type: 'date',
+      name: 'End Date',
+    });
+    if (id) {
+      this.setEndDateColumn(id);
+    }
+    return id;
+  }
+
+  createRowOnDate(date: number | Date) {
+    const mapping = this.startDateMapping$.value;
+    if (mapping.status !== 'ready') {
+      return;
+    }
+    const rowId = this.rowAdd('end');
+    const filter = this.filter$.value;
+    if (filter.conditions.length > 0) {
+      const defaultValues = generateDefaultValues(filter, this.vars$.value);
+      Object.entries(defaultValues).forEach(([propertyId, jsonValue]) => {
+        const property = this.propertyGetOrCreate(propertyId);
+        const propertyMeta = property.meta$.value;
+        if (propertyMeta) {
+          const value = fromJson(propertyMeta.config, {
+            value: jsonValue,
+            data: property.data$.value,
+            dataSource: this.dataSource,
+          });
+          this.cellGetOrCreate(rowId, propertyId).valueSet(value);
+        }
+      });
+    }
+    this.cellGetOrCreate(rowId, mapping.propertyId).jsonValueSet(
+      toTimestamp(date)
+    );
+    this.dismissEmptyMonthHint();
+    return rowId;
+  }
+
+  createLinkedDocRowOnDate(date: number | Date, docId: string) {
+    const rowId = this.createRowOnDate(date);
+    if (!rowId) return;
+    const titleColumn = this.mainProperties$.value.titleColumn ?? 'title';
+    this.cellGetOrCreate(rowId, titleColumn).valueSet(
+      createLinkedDocTitle(docId)
+    );
+    return rowId;
+  }
+
+  moveRowToDate(rowId: string, date: number | Date) {
+    const mapping = this.startDateMapping$.value;
+    if (mapping.status !== 'ready') {
+      return;
+    }
+    const value = toTimestamp(date);
+    const oldStartAt = this.cellGetOrCreate(rowId, mapping.propertyId)
+      .jsonValue$.value;
+    const endMapping = this.endDateMapping$.value;
+    if (endMapping.status === 'ready' && isValidTimestamp(oldStartAt)) {
+      const oldEndAt = this.cellGetOrCreate(rowId, endMapping.propertyId)
+        .jsonValue$.value;
+      if (isValidTimestamp(oldEndAt) && oldEndAt >= oldStartAt) {
+        this.cellGetOrCreate(rowId, endMapping.propertyId).jsonValueSet(
+          value + (oldEndAt - oldStartAt)
+        );
+      }
+    }
+    this.cellGetOrCreate(rowId, mapping.propertyId).jsonValueSet(value);
+  }
+
+  resizeRowRange(rowId: string, edge: 'start' | 'end', date: number | Date) {
+    const startMapping = this.startDateMapping$.value;
+    const endMapping = this.endDateMapping$.value;
+    if (startMapping.status !== 'ready' || endMapping.status !== 'ready') {
+      return;
+    }
+    const startCell = this.cellGetOrCreate(rowId, startMapping.propertyId);
+    const endCell = this.cellGetOrCreate(rowId, endMapping.propertyId);
+    const startAt = startCell.jsonValue$.value;
+    const endAt = endCell.jsonValue$.value;
+    if (!isValidTimestamp(startAt) || !isValidTimestamp(endAt)) {
+      return;
+    }
+    const value = toTimestamp(date);
+    if (edge === 'start') {
+      startCell.jsonValueSet(Math.min(value, endAt));
+    } else {
+      endCell.jsonValueSet(Math.max(value, startAt));
+    }
+  }
+
+  async loadExternalEntries(range: CalendarEntryRange) {
+    const requestId = ++this.externalEntriesRequestId;
+    const viewData = this.data$.value;
+    if (!viewData) {
+      this.externalEntries$.value = [];
+      return [];
+    }
+    const results = await Promise.allSettled(
+      this.externalSources$.value.map(source =>
+        Promise.resolve(source.getEntries(range))
+      )
+    );
+    const entries = results.flatMap(result =>
+      result.status === 'fulfilled' ? result.value : []
+    );
+    if (requestId === this.externalEntriesRequestId) {
+      this.externalEntries$.value = entries;
+    }
+    return entries;
+  }
+}
+
+export class CalendarProperty extends PropertyBase {
+  hide$ = computed(() => false);
+
+  constructor(view: CalendarSingleView, propertyId: string) {
+    super(view as SingleView, propertyId);
+  }
+
+  hideSet(_hide: boolean): void {}
+
+  move(_position: InsertToPosition): void {}
+}
+
+export class CalendarRow extends RowBase {
+  constructor(
+    readonly calendarView: CalendarSingleView,
+    rowId: string
+  ) {
+    super(calendarView, rowId);
+  }
+}

blocksuite/affine/data-view/src/view-presets/calendar/define.ts

@@ -0,0 +1,34 @@
+import { viewType } from '../../core/view/data-view.js';
+import { CalendarSingleView } from './calendar-view-manager.js';
+import type { CalendarViewData } from './types.js';
+
+export const calendarViewType = viewType('calendar');
+
+export const calendarViewModel = calendarViewType.createModel<CalendarViewData>(
+  {
+    defaultName: 'Calendar View',
+    dataViewManager: CalendarSingleView,
+    defaultData: viewManager => {
+      return {
+        filter: {
+          type: 'group',
+          op: 'and',
+          conditions: [],
+        },
+        date: {},
+        card: {
+          titleColumnId: viewManager.dataSource.properties$.value.find(
+            id => viewManager.dataSource.propertyTypeGet(id) === 'title'
+          ),
+          visiblePropertyIds: [],
+        },
+        sources: {
+          workspaceCalendar: {
+            enabled: true,
+          },
+        },
+        ui: {},
+      };
+    },
+  }
+);

blocksuite/affine/data-view/src/view-presets/calendar/effect.ts

@@ -0,0 +1,5 @@
+import { pcEffects } from './pc/effect.js';
+
+export function calendarEffects() {
+  pcEffects();
+}

blocksuite/affine/data-view/src/view-presets/calendar/index.ts

@@ -0,0 +1,6 @@
+export * from './calendar-view-manager.js';
+export * from './define.js';
+export * from './layout.js';
+export * from './renderer.js';
+export * from './source.js';
+export * from './types.js';

blocksuite/affine/data-view/src/view-presets/calendar/layout.ts

@@ -0,0 +1,250 @@
+import type { CalendarEntry } from './types.js';
+
+export type CalendarDayLayout = {
+  date: number;
+  inMonth: boolean;
+  entries: CalendarEntry[];
+  segments: CalendarRangeSegment[];
+};
+
+export type CalendarRangeSegment = {
+  entry: CalendarEntry;
+  weekIndex: number;
+  startIndex: number;
+  span: number;
+  slot: number;
+  startsBeforeWeek: boolean;
+  endsAfterWeek: boolean;
+};
+
+export type CalendarMonthLayout = {
+  from: number;
+  to: number;
+  weeks: CalendarDayLayout[][];
+  days: CalendarDayLayout[];
+  segments: CalendarRangeSegment[];
+};
+
+export type CalendarMonthLayoutOptions = {
+  month: number | Date;
+  entries: CalendarEntry[];
+  weekStartsOn?: 0 | 1 | 2 | 3 | 4 | 5 | 6;
+};
+
+const startOfDay = (date: Date) =>
+  new Date(date.getFullYear(), date.getMonth(), date.getDate()).getTime();
+
+const addDays = (date: number, days: number) => {
+  const current = new Date(date);
+  return startOfDay(
+    new Date(
+      current.getFullYear(),
+      current.getMonth(),
+      current.getDate() + days
+    )
+  );
+};
+
+const endOfDay = (date: number) => addDays(date, 1) - 1;
+
+const toDate = (value: number | Date) =>
+  value instanceof Date ? value : new Date(value);
+
+export const getCalendarVisibleMonthRange = (
+  month: number | Date,
+  weekStartsOn: 0 | 1 | 2 | 3 | 4 | 5 | 6 = 0
+) => {
+  const cursor = toDate(month);
+  const monthStart = new Date(cursor.getFullYear(), cursor.getMonth(), 1);
+  const monthEnd = new Date(cursor.getFullYear(), cursor.getMonth() + 1, 0);
+  const startOffset = (monthStart.getDay() - weekStartsOn + 7) % 7;
+  const endOffset = (weekStartsOn + 6 - monthEnd.getDay() + 7) % 7;
+  const from = startOfDay(
+    new Date(
+      monthStart.getFullYear(),
+      monthStart.getMonth(),
+      monthStart.getDate() - startOffset
+    )
+  );
+  const to = endOfDay(
+    startOfDay(
+      new Date(
+        monthEnd.getFullYear(),
+        monthEnd.getMonth(),
+        monthEnd.getDate() + endOffset
+      )
+    )
+  );
+
+  return {
+    from,
+    to,
+    monthStart: startOfDay(monthStart),
+    monthEnd: endOfDay(startOfDay(monthEnd)),
+  };
+};
+
+const isRangeEntry = (entry: CalendarEntry) =>
+  entry.endAt != null &&
+  getRangeEndDay(entry) > startOfDay(new Date(entry.startAt));
+
+const getRangeEndDay = (entry: CalendarEntry) => {
+  const endAt = entry.endAt ?? entry.startAt;
+  const end = new Date(endAt);
+  if (
+    entry.kind === 'external' &&
+    entry.allDay &&
+    endAt > entry.startAt &&
+    end.getHours() === 0 &&
+    end.getMinutes() === 0 &&
+    end.getSeconds() === 0 &&
+    end.getMilliseconds() === 0
+  ) {
+    return addDays(startOfDay(end), -1);
+  }
+  return startOfDay(end);
+};
+
+const clamp = (value: number, min: number, max: number) =>
+  Math.min(Math.max(value, min), max);
+
+const getDayOffset = (days: CalendarDayLayout[], date: number) =>
+  days.findIndex(day => day.date === date);
+
+const assignSegmentSlots = (
+  weeks: CalendarDayLayout[][],
+  segments: CalendarRangeSegment[]
+) => {
+  for (let weekIndex = 0; weekIndex < weeks.length; weekIndex++) {
+    const weekSegments = segments.filter(
+      segment => segment.weekIndex === weekIndex
+    );
+    const slots: boolean[][] = [];
+    for (const segment of weekSegments) {
+      let slot = 0;
+      while (
+        slots[slot]?.some(
+          (occupied, index) =>
+            occupied &&
+            index >= segment.startIndex &&
+            index < segment.startIndex + segment.span
+        )
+      ) {
+        slot++;
+      }
+      const slotDays = (slots[slot] ??= Array.from({ length: 7 }, () => false));
+      for (
+        let index = segment.startIndex;
+        index < segment.startIndex + segment.span;
+        index++
+      ) {
+        slotDays[index] = true;
+      }
+      segment.slot = slot;
+    }
+  }
+};
+
+export const getCalendarDaySegmentSlots = (
+  day: CalendarDayLayout,
+  ignoredEntryId?: string
+) => {
+  return Math.max(
+    0,
+    ...day.segments
+      .filter(segment => segment.entry.id !== ignoredEntryId)
+      .map(segment => segment.slot + 1)
+  );
+};
+
+export const getCalendarDayContentSlots = (
+  day: CalendarDayLayout,
+  ignoredEntryId?: string
+) => {
+  return (
+    getCalendarDaySegmentSlots(day, ignoredEntryId) +
+    day.entries.filter(entry => entry.id !== ignoredEntryId).length
+  );
+};
+
+export const createCalendarMonthLayout = ({
+  month,
+  entries,
+  weekStartsOn = 0,
+}: CalendarMonthLayoutOptions): CalendarMonthLayout => {
+  const range = getCalendarVisibleMonthRange(month, weekStartsOn);
+  const cursor = toDate(month);
+  const days: CalendarDayLayout[] = [];
+  const dayByTime = new Map<number, CalendarDayLayout>();
+
+  for (let date = range.from; date <= range.to; date = addDays(date, 1)) {
+    const day: CalendarDayLayout = {
+      date,
+      inMonth:
+        new Date(date).getMonth() === cursor.getMonth() &&
+        new Date(date).getFullYear() === cursor.getFullYear(),
+      entries: [],
+      segments: [],
+    };
+    days.push(day);
+    dayByTime.set(date, day);
+  }
+
+  for (const entry of entries) {
+    if (isRangeEntry(entry)) {
+      continue;
+    }
+    const day = dayByTime.get(startOfDay(new Date(entry.startAt)));
+    if (day) {
+      day.entries.push(entry);
+    }
+  }
+
+  const segments: CalendarRangeSegment[] = [];
+  const rangeEntries = entries.filter(isRangeEntry);
+  const visibleEndDay = startOfDay(new Date(range.to));
+  for (const entry of rangeEntries) {
+    const entryStart = startOfDay(new Date(entry.startAt));
+    const entryEnd = getRangeEndDay(entry);
+    if (entryEnd < range.from || entryStart > visibleEndDay) {
+      continue;
+    }
+    const start = clamp(entryStart, range.from, visibleEndDay);
+    const end = clamp(entryEnd, range.from, visibleEndDay);
+    const startOffset = getDayOffset(days, start);
+    const endOffset = getDayOffset(days, end);
+    if (startOffset < 0 || endOffset < 0) {
+      continue;
+    }
+    let offset = startOffset;
+    while (offset <= endOffset) {
+      const weekIndex = Math.floor(offset / 7);
+      const startIndex = offset % 7;
+      const weekEndOffset = weekIndex * 7 + 6;
+      const span = Math.min(endOffset, weekEndOffset) - offset + 1;
+      const segment = {
+        entry,
+        weekIndex,
+        startIndex,
+        span,
+        slot: 0,
+        startsBeforeWeek: startOffset < weekIndex * 7,
+        endsAfterWeek: endOffset > weekEndOffset,
+      };
+      segments.push(segment);
+      for (let index = 0; index < span; index++) {
+        days[offset + index]?.segments.push(segment);
+      }
+      offset += span;
+    }
+  }
+
+  const weeks: CalendarDayLayout[][] = [];
+  for (let index = 0; index < days.length; index += 7) {
+    weeks.push(days.slice(index, index + 7));
+  }
+
+  assignSegmentSlots(weeks, segments);
+
+  return { from: range.from, to: range.to, weeks, days, segments };
+};

blocksuite/affine/data-view/src/view-presets/calendar/pc/actions.ts

@@ -0,0 +1,87 @@
+import {
+  popMenu,
+  popupTargetFromElement,
+} from '@blocksuite/affine-components/context-menu';
+import {
+  CalendarPanelIcon,
+  DateTimeIcon,
+  PinIcon,
+  TextIcon,
+} from '@blocksuite/icons/lit';
+import { html } from 'lit';
+
+import type { DataViewRootUILogic } from '../../../core/data-view.js';
+import type { CalendarSingleView } from '../calendar-view-manager.js';
+import type { CalendarEntry } from '../types.js';
+
+const dateTimeFormatter = new Intl.DateTimeFormat(undefined, {
+  dateStyle: 'medium',
+  timeStyle: 'short',
+});
+
+const dateFormatter = new Intl.DateTimeFormat(undefined, {
+  dateStyle: 'medium',
+});
+
+export const formatEntryTime = (entry: CalendarEntry) => {
+  const formatter = entry.allDay ? dateFormatter : dateTimeFormatter;
+  const start = formatter.format(new Date(entry.startAt));
+  if (!entry.endAt) {
+    return start;
+  }
+  return `${start} - ${formatter.format(new Date(entry.endAt))}`;
+};
+
+export const openCalendarEntry = (
+  root: DataViewRootUILogic,
+  view: CalendarSingleView,
+  entry: CalendarEntry,
+  target: HTMLElement,
+  options?: { selectEntry?: (entryId: string | undefined) => void }
+) => {
+  if (entry.kind === 'row') {
+    options?.selectEntry?.(entry.id);
+    root.openDetailPanel({
+      view,
+      rowId: entry.rowId,
+      onClose: () => options?.selectEntry?.(undefined),
+    });
+    return;
+  }
+
+  popMenu(popupTargetFromElement(target), {
+    options: {
+      items: [
+        () => html`
+          <div class="calendar-event-popover">
+            <div class="calendar-event-popover-title">${entry.title}</div>
+            <div class="calendar-event-popover-row">
+              <span class="calendar-event-popover-icon"
+                >${CalendarPanelIcon()}</span
+              >
+              <span>${entry.calendarName ?? 'Calendar event'}</span>
+            </div>
+            <div class="calendar-event-popover-row">
+              <span class="calendar-event-popover-icon">${DateTimeIcon()}</span>
+              <span>${formatEntryTime(entry)}</span>
+            </div>
+            ${entry.location
+              ? html`<div class="calendar-event-popover-row">
+                  <span class="calendar-event-popover-icon">${PinIcon()}</span>
+                  <span>${entry.location}</span>
+                </div>`
+              : ''}
+            ${entry.description
+              ? html`<div class="calendar-event-popover-row">
+                  <span class="calendar-event-popover-icon">${TextIcon()}</span>
+                  <span class="calendar-event-popover-description"
+                    >${entry.description}</span
+                  >
+                </div>`
+              : ''}
+          </div>
+        `,
+      ],
+    },
+  });
+};

blocksuite/affine/data-view/src/view-presets/calendar/pc/dnd.ts

@@ -0,0 +1,244 @@
+import type { DndController } from '@blocksuite/std';
+
+import type { CalendarEntry, CalendarRowEntry } from '../types.js';
+import { getCalendarDateFromPoint } from './hit-test.js';
+
+export type CalendarDndEntity =
+  | {
+      type: 'calendar-entry';
+      entryId: string;
+    }
+  | {
+      type: 'doc';
+      docId: string;
+    };
+
+type CalendarDndData = {
+  bsEntity?: unknown;
+  entity?: unknown;
+};
+
+const isRecord = (value: unknown): value is Record<string, unknown> =>
+  typeof value === 'object' && value !== null;
+
+export const getCalendarDndEntity = (
+  data: unknown
+): CalendarDndEntity | undefined => {
+  if (!isRecord(data)) {
+    return;
+  }
+
+  const bsEntity = (data as CalendarDndData).bsEntity;
+  if (isRecord(bsEntity)) {
+    if (
+      bsEntity.type === 'calendar-entry' &&
+      typeof bsEntity.entryId === 'string'
+    ) {
+      return {
+        type: 'calendar-entry',
+        entryId: bsEntity.entryId,
+      };
+    }
+    if (bsEntity.type === 'doc' && typeof bsEntity.docId === 'string') {
+      return {
+        type: 'doc',
+        docId: bsEntity.docId,
+      };
+    }
+  }
+
+  const entity = (data as CalendarDndData).entity;
+  if (
+    isRecord(entity) &&
+    entity.type === 'doc' &&
+    typeof entity.id === 'string'
+  ) {
+    return {
+      type: 'doc',
+      docId: entity.id,
+    };
+  }
+
+  return;
+};
+
+export type CalendarDndCallbacks = {
+  getEntry: (entryId: string) => CalendarEntry | undefined;
+  canDragEntry: () => boolean;
+  canDrop: (entity: CalendarDndEntity) => boolean;
+  onEntryDragStart: (entry: CalendarRowEntry) => void;
+  onEntryDragEnd: () => void;
+  onDropTargetChange: (
+    date: number | undefined,
+    entity?: CalendarDndEntity
+  ) => void;
+  onDrop: (entity: CalendarDndEntity, date: number) => void;
+};
+
+type ElementCleanup = {
+  element: HTMLElement;
+  cleanup: () => void;
+};
+
+export class CalendarDnd {
+  private readonly entryCleanups = new Map<string, ElementCleanup>();
+
+  private rootCleanup?: ElementCleanup;
+
+  constructor(
+    private readonly dnd: DndController | undefined,
+    private readonly callbacks: CalendarDndCallbacks
+  ) {}
+
+  bindRoot(element?: Element) {
+    if (!this.dnd || !(element instanceof HTMLElement)) {
+      this.cleanupRoot();
+      return;
+    }
+
+    if (this.rootCleanup?.element === element) {
+      return;
+    }
+    this.cleanupRoot();
+
+    const cleanup = this.dnd.dropTarget<CalendarDndEntity, { date?: number }>({
+      element,
+      getIsSticky: () => true,
+      setDropData: ({ input }) => ({
+        date: getCalendarDateFromPoint(element, input.clientX, input.clientY),
+      }),
+      canDrop: ({ source, input }) => {
+        const entity = getCalendarDndEntity(source.data);
+        const date = getCalendarDateFromPoint(
+          element,
+          input.clientX,
+          input.clientY
+        );
+        return entity && date !== undefined
+          ? this.callbacks.canDrop(entity)
+          : false;
+      },
+      onDrag: ({ source, location }) => {
+        this.updateDropTarget(element, source.data, location.current.input);
+      },
+      onDragEnter: ({ source, location }) => {
+        this.updateDropTarget(element, source.data, location.current.input);
+      },
+      onDragLeave: () => {
+        this.callbacks.onDropTargetChange(undefined);
+      },
+      onDrop: ({ source, location }) => {
+        const entity = getCalendarDndEntity(source.data);
+        const date = getCalendarDateFromPoint(
+          element,
+          location.current.input.clientX,
+          location.current.input.clientY
+        );
+        if (entity && date !== undefined && this.callbacks.canDrop(entity)) {
+          this.callbacks.onDrop(entity, date);
+        }
+        this.callbacks.onDropTargetChange(undefined);
+      },
+    });
+
+    this.rootCleanup = { element, cleanup };
+  }
+
+  bindEntry(
+    key: string,
+    entry: CalendarEntry,
+    element?: Element,
+    disabled = false
+  ) {
+    if (
+      !this.dnd ||
+      !(element instanceof HTMLElement) ||
+      entry.kind !== 'row' ||
+      disabled
+    ) {
+      this.cleanupEntry(key);
+      if (element instanceof HTMLElement) {
+        element.setAttribute('draggable', 'false');
+      }
+      return;
+    }
+
+    const current = this.entryCleanups.get(key);
+    if (current?.element === element) {
+      return;
+    }
+    this.cleanupEntry(key);
+
+    const cleanup = this.dnd.draggable<CalendarDndEntity>({
+      element,
+      canDrag: () => {
+        const currentEntry = this.callbacks.getEntry(entry.id);
+        return currentEntry?.kind === 'row'
+          ? this.callbacks.canDragEntry()
+          : false;
+      },
+      setDragData: () => ({
+        type: 'calendar-entry',
+        entryId: entry.id,
+      }),
+      setDragPreview: ({ container, setOffset }) => {
+        const currentEntry = this.callbacks.getEntry(entry.id);
+        const preview = document.createElement('div');
+        preview.textContent = currentEntry?.title || 'Untitled';
+        preview.style.cssText =
+          'padding:0 6px;height:22px;line-height:22px;border-radius:4px;' +
+          'font-size:12px;white-space:nowrap;overflow:hidden;' +
+          'background:var(--affine-hover-color,#f5f5f5);' +
+          'color:var(--affine-text-primary-color,#333);' +
+          'max-width:140px;text-overflow:ellipsis;pointer-events:none;';
+        container.append(preview);
+        setOffset({ x: 10, y: 11 });
+      },
+      onDragStart: () => {
+        const currentEntry = this.callbacks.getEntry(entry.id);
+        if (currentEntry?.kind === 'row') {
+          this.callbacks.onEntryDragStart(currentEntry);
+        }
+      },
+      onDrop: () => {
+        this.callbacks.onEntryDragEnd();
+      },
+    });
+
+    this.entryCleanups.set(key, { element, cleanup });
+  }
+
+  cleanup() {
+    this.cleanupRoot();
+    for (const key of this.entryCleanups.keys()) {
+      this.cleanupEntry(key);
+    }
+  }
+
+  private cleanupEntry(key: string) {
+    this.entryCleanups.get(key)?.cleanup();
+    this.entryCleanups.delete(key);
+  }
+
+  private cleanupRoot() {
+    this.rootCleanup?.cleanup();
+    this.rootCleanup = undefined;
+  }
+
+  private updateDropTarget(
+    root: HTMLElement,
+    data: unknown,
+    input: {
+      clientX: number;
+      clientY: number;
+    }
+  ) {
+    const entity = getCalendarDndEntity(data);
+    const date = getCalendarDateFromPoint(root, input.clientX, input.clientY);
+    if (entity && date !== undefined && this.callbacks.canDrop(entity)) {
+      this.callbacks.onDropTargetChange(date, entity);
+    } else {
+      this.callbacks.onDropTargetChange(undefined);
+    }
+  }
+}

blocksuite/affine/data-view/src/view-presets/calendar/pc/effect.ts

@@ -0,0 +1,8 @@
+import { CalendarViewUI } from './view.js';
+
+export function pcEffects() {
+  if (customElements.get('affine-data-view-calendar')) {
+    return;
+  }
+  customElements.define('affine-data-view-calendar', CalendarViewUI);
+}

blocksuite/affine/data-view/src/view-presets/calendar/pc/hit-test.ts

@@ -0,0 +1,38 @@
+export const getCalendarDateFromPoint = (
+  root: HTMLElement,
+  clientX: number,
+  clientY: number
+) => {
+  const doc = root.ownerDocument;
+  const hitStack = doc.elementsFromPoint(clientX, clientY);
+
+  for (const element of hitStack) {
+    const day = element.closest<HTMLElement>('.calendar-day[data-date]');
+    if (day && root.contains(day)) {
+      return Number(day.dataset['date']);
+    }
+  }
+
+  for (const element of hitStack) {
+    const week =
+      element.closest<HTMLElement>('.calendar-week') ??
+      element.closest<HTMLElement>('.calendar-segments')?.parentElement;
+    if (week && root.contains(week)) {
+      const days = week.querySelectorAll<HTMLElement>('.calendar-day');
+      for (const day of days) {
+        const rect = day.getBoundingClientRect();
+        if (
+          clientX >= rect.left &&
+          clientX < rect.right &&
+          clientY >= rect.top &&
+          clientY < rect.bottom &&
+          day.dataset['date']
+        ) {
+          return Number(day.dataset['date']);
+        }
+      }
+    }
+  }
+
+  return;
+};

blocksuite/affine/data-view/src/view-presets/calendar/pc/styles.ts

@@ -0,0 +1,699 @@
+import { css } from 'lit';
+
+export const calendarViewStyles = css`
+  affine-data-view-calendar {
+    display: block;
+    min-width: 720px;
+    --calendar-entry-height: 22px;
+    --calendar-entry-gap: 3px;
+    --calendar-entry-slot-height: calc(
+      var(--calendar-entry-height) + var(--calendar-entry-gap)
+    );
+    --calendar-grid-border-color: color-mix(
+      in srgb,
+      var(--affine-border-color) 58%,
+      transparent
+    );
+    --calendar-entry-bg: color-mix(
+      in srgb,
+      var(--affine-primary-color) 12%,
+      var(--affine-background-primary-color)
+    );
+    --calendar-entry-hover-bg: color-mix(
+      in srgb,
+      var(--affine-primary-color) 18%,
+      var(--affine-background-primary-color)
+    );
+    --calendar-entry-text-color: color-mix(
+      in srgb,
+      var(--affine-primary-color) 72%,
+      var(--affine-text-primary-color)
+    );
+    --calendar-external-fallback-color: #b45309;
+  }
+
+  .calendar-shell {
+    position: relative;
+    padding: 0 0 12px;
+  }
+
+  .calendar-toolbar {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    height: 36px;
+    margin-bottom: 8px;
+  }
+
+  .calendar-title {
+    color: var(--affine-text-primary-color);
+    font-size: 15px;
+    font-weight: 600;
+  }
+
+  .calendar-nav {
+    display: flex;
+    gap: 6px;
+  }
+
+  .calendar-nav button,
+  .calendar-setup button {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    gap: 6px;
+    border: 1px solid var(--affine-border-color);
+    border-radius: 6px;
+    background: var(--affine-background-primary-color);
+    color: var(--affine-text-primary-color);
+    height: 28px;
+    padding: 5px 10px;
+    cursor: pointer;
+    font-size: 12px;
+    font-weight: 500;
+    line-height: 20px;
+    white-space: nowrap;
+  }
+
+  .calendar-nav button svg,
+  .calendar-setup button svg,
+  .calendar-new-row svg,
+  .calendar-empty-month-hint-action svg,
+  .calendar-empty-month-hint-close svg {
+    width: 16px;
+    height: 16px;
+    color: var(--affine-icon-secondary);
+    flex: 0 0 auto;
+  }
+
+  .calendar-nav .calendar-icon-button {
+    width: 28px;
+    padding: 5px;
+  }
+
+  .calendar-nav .calendar-today-button {
+    color: var(--affine-primary-color);
+  }
+
+  .calendar-weekdays,
+  .calendar-week {
+    display: grid;
+    grid-template-columns: repeat(7, minmax(0, 1fr));
+  }
+
+  .calendar-week {
+    position: relative;
+  }
+
+  .calendar-segments {
+    position: absolute;
+    left: 0;
+    right: 0;
+    top: 30px;
+    display: grid;
+    grid-template-columns: repeat(7, minmax(0, 1fr));
+    grid-auto-rows: var(--calendar-entry-slot-height);
+    row-gap: 0;
+    column-gap: 0;
+    padding: 0;
+    pointer-events: none;
+  }
+
+  .calendar-segments .calendar-entry {
+    align-self: start;
+    height: var(--calendar-entry-height);
+    box-sizing: border-box;
+    pointer-events: auto;
+    margin: 0 6px;
+  }
+
+  .calendar-segments .calendar-entry-preview {
+    align-self: start;
+    pointer-events: none;
+    margin: 0 6px;
+  }
+
+  .calendar-weekday {
+    color: var(--affine-text-secondary-color);
+    font-size: 12px;
+    padding: 4px 6px;
+    user-select: none;
+    -webkit-user-select: none;
+  }
+
+  .calendar-grid {
+    border-top: 1px solid var(--calendar-grid-border-color);
+    border-left: 1px solid var(--calendar-grid-border-color);
+  }
+
+  .calendar-day {
+    position: relative;
+    min-height: 112px;
+    border-right: 1px solid var(--calendar-grid-border-color);
+    border-bottom: 1px solid var(--calendar-grid-border-color);
+    padding: 6px;
+  }
+
+  .calendar-day.is-outside {
+    background: color-mix(
+      in srgb,
+      var(--affine-background-secondary-color) 55%,
+      var(--affine-background-primary-color)
+    );
+  }
+
+  .calendar-day:not(.is-outside):hover {
+    background: color-mix(
+      in srgb,
+      var(--affine-primary-color) 2%,
+      var(--affine-background-primary-color)
+    );
+  }
+
+  .calendar-day.is-drop-target {
+    box-shadow: inset 0 0 0 1px var(--affine-primary-color);
+    background: color-mix(in srgb, var(--affine-primary-color) 8%, transparent);
+  }
+
+  .calendar-day.is-today {
+    background: color-mix(
+      in srgb,
+      var(--affine-primary-color) 6%,
+      var(--affine-background-primary-color)
+    );
+  }
+
+  .calendar-day-number {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    width: max-content;
+    min-width: 20px;
+    height: 20px;
+    padding: 0 2px;
+    border-radius: 4px;
+    color: var(--affine-text-secondary-color);
+    font-size: 12px;
+    line-height: 18px;
+    margin-bottom: 4px;
+    user-select: none;
+    -webkit-user-select: none;
+  }
+
+  .calendar-day:not(.is-outside) .calendar-day-number {
+    color: var(--affine-text-primary-color);
+  }
+
+  .calendar-day.is-outside .calendar-day-number {
+    color: color-mix(
+      in srgb,
+      var(--affine-text-secondary-color) 60%,
+      transparent
+    );
+  }
+
+  .calendar-day.is-today .calendar-day-number {
+    color: var(--affine-primary-color);
+    font-weight: 600;
+  }
+
+  .calendar-day.is-today:hover {
+    background: color-mix(
+      in srgb,
+      var(--affine-primary-color) 9%,
+      var(--affine-background-primary-color)
+    );
+  }
+
+  .calendar-entry {
+    position: relative;
+    display: flex;
+    align-items: center;
+    gap: 4px;
+    min-height: var(--calendar-entry-height);
+    margin-top: var(--calendar-entry-gap);
+    padding: 0 6px;
+    border-radius: 4px;
+    color: var(--calendar-entry-text-color);
+    background: var(--calendar-entry-bg);
+    font-size: 12px;
+    line-height: 18px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    cursor: pointer;
+  }
+
+  .calendar-nav button:hover,
+  .calendar-setup button:hover {
+    background: var(--affine-hover-color);
+  }
+
+  .calendar-entry.row:hover {
+    background: var(--calendar-entry-hover-bg);
+  }
+
+  .calendar-entry:focus-visible {
+    outline: 1px solid var(--affine-primary-color);
+    outline-offset: 1px;
+  }
+
+  .calendar-entry.external:hover {
+    opacity: 0.9;
+  }
+
+  .calendar-entry.selected {
+    box-shadow: inset 0 0 0 1px var(--affine-primary-color);
+    background: color-mix(
+      in srgb,
+      var(--affine-primary-color) 15%,
+      var(--calendar-entry-bg)
+    );
+  }
+
+  .calendar-entry.continues-left {
+    border-top-left-radius: 0;
+    border-bottom-left-radius: 0;
+  }
+
+  .calendar-entry.continues-right {
+    border-top-right-radius: 0;
+    border-bottom-right-radius: 0;
+  }
+
+  .calendar-entry-title {
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+
+  .calendar-entry-title.is-empty {
+    color: var(--affine-text-secondary-color);
+  }
+
+  .calendar-entry-title.title-segments {
+    display: inline-flex;
+    align-items: center;
+    gap: 2px;
+  }
+
+  .calendar-entry-title-segment {
+    display: inline-flex;
+    align-items: center;
+    min-width: 0;
+  }
+
+  .calendar-entry-title-segment.linked-doc-segment {
+    gap: 3px;
+    min-width: 14px;
+  }
+
+  .calendar-entry-title-segment.linked-doc-segment svg {
+    width: 14px;
+    height: 14px;
+    flex: 0 0 auto;
+  }
+
+  .calendar-entry-title-text {
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+
+  .calendar-entry-title-segment.linked-doc-segment .calendar-entry-title-text {
+    flex-shrink: 1;
+  }
+
+  .calendar-entry-properties {
+    display: inline-flex;
+    gap: 3px;
+    min-width: 0;
+  }
+
+  .calendar-entry-property {
+    max-width: 72px;
+    padding: 1px 6px;
+    border-radius: 4px;
+    background: color-mix(in srgb, var(--affine-pure-white) 80%, transparent);
+    color: var(--affine-text-primary-color);
+    font-size: 10px;
+    font-weight: 500;
+    line-height: 14px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+  }
+
+  .calendar-entry.external {
+    color: var(--affine-pure-white);
+    background: var(
+      --calendar-external-color,
+      var(--calendar-external-fallback-color)
+    );
+  }
+
+  .calendar-entry[draggable='true'] {
+    cursor: grab;
+  }
+
+  .calendar-entry[draggable='true']:active {
+    opacity: 0.7;
+  }
+
+  .calendar-resize-handle {
+    display: none;
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    width: 6px;
+    cursor: ew-resize;
+    z-index: 1;
+  }
+
+  .calendar-resize-handle.left {
+    left: 0;
+    border-radius: 4px 0 0 4px;
+  }
+
+  .calendar-resize-handle.right {
+    right: 0;
+    border-radius: 0 4px 4px 0;
+  }
+
+  .calendar-resize-handle::after {
+    content: '';
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    width: 2px;
+    height: 10px;
+    transform: translate(-50%, -50%);
+    border-radius: 1px;
+    background: var(--affine-icon-secondary);
+  }
+
+  .calendar-resize-handle:hover::after {
+    background: var(--affine-primary-color);
+  }
+
+  .calendar-entry:hover .calendar-resize-handle {
+    display: block;
+  }
+
+  .calendar-entry-preview {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+    min-height: var(--calendar-entry-height);
+    height: var(--calendar-entry-height);
+    margin-top: var(--calendar-entry-gap);
+    padding: 0 6px;
+    box-sizing: border-box;
+    border-radius: 4px;
+    border: 1.5px dashed var(--affine-primary-color);
+    background: color-mix(in srgb, var(--affine-primary-color) 6%, transparent);
+    color: var(--affine-primary-color);
+    font-size: 12px;
+    line-height: 18px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    pointer-events: none;
+  }
+
+  .calendar-entry-preview svg {
+    width: 14px;
+    height: 14px;
+    flex: 0 0 auto;
+  }
+
+  .calendar-entry-preview.continues-left {
+    border-top-left-radius: 0;
+    border-bottom-left-radius: 0;
+    border-left: none;
+    padding-left: 6px;
+  }
+
+  .calendar-entry-preview.continues-right {
+    border-top-right-radius: 0;
+    border-bottom-right-radius: 0;
+    border-right: none;
+    padding-right: 6px;
+  }
+
+  .calendar-day-entries > .calendar-entry:first-child,
+  .calendar-day-entries > .calendar-entry-preview:first-child {
+    margin-top: 0;
+  }
+
+  .calendar-day-entries {
+    padding-top: calc(
+      var(--calendar-segment-slots, 0) * var(--calendar-entry-slot-height)
+    );
+  }
+
+  .calendar-new-row {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    gap: 4px;
+    width: 100%;
+    height: 24px;
+    margin-top: 3px;
+    border: 0;
+    border-radius: 5px;
+    background: transparent;
+    color: var(--affine-primary-color);
+    font-size: 12px;
+    font-weight: 500;
+    line-height: 18px;
+    padding: 3px 8px;
+    opacity: 0;
+    cursor: pointer;
+    box-sizing: border-box;
+    transition:
+      opacity 0.1s ease,
+      background 0.1s ease;
+  }
+
+  .calendar-new-row svg,
+  .calendar-empty-month-hint-action svg {
+    width: 14px;
+    height: 14px;
+    color: var(--affine-primary-color);
+  }
+
+  .calendar-day:hover .calendar-new-row,
+  .calendar-new-row:focus-visible {
+    opacity: 1;
+  }
+
+  .calendar-day:hover .calendar-new-row {
+    background: color-mix(
+      in srgb,
+      var(--affine-primary-color) 10%,
+      var(--affine-background-primary-color)
+    );
+  }
+
+  .calendar-day:hover .calendar-new-row:disabled,
+  .calendar-day.is-today:hover .calendar-new-row:disabled,
+  .calendar-new-row:disabled {
+    background: transparent;
+    opacity: 0;
+    pointer-events: none;
+  }
+
+  .calendar-day.is-today:hover .calendar-new-row,
+  .calendar-day.is-today .calendar-new-row:focus-visible {
+    background: var(--affine-primary-color);
+    color: var(--affine-pure-white);
+  }
+
+  .calendar-day.is-today .calendar-new-row:hover {
+    background: color-mix(
+      in srgb,
+      var(--affine-primary-color) 88%,
+      var(--affine-pure-white)
+    );
+  }
+
+  .calendar-day.is-today:hover .calendar-new-row svg,
+  .calendar-day.is-today .calendar-new-row:focus-visible svg {
+    color: var(--affine-pure-white);
+  }
+
+  .calendar-new-row:hover {
+    background: color-mix(
+      in srgb,
+      var(--affine-primary-color) 16%,
+      var(--affine-background-primary-color)
+    );
+  }
+
+  .calendar-empty-month-hint {
+    position: absolute;
+    top: 44px;
+    left: 8px;
+    right: 8px;
+    z-index: 3;
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 12px;
+    min-height: 36px;
+    padding: 6px 8px 6px 12px;
+    border: 1px solid
+      color-mix(in srgb, var(--affine-primary-color) 18%, transparent);
+    border-radius: 6px;
+    background: color-mix(
+      in srgb,
+      var(--affine-background-primary-color) 92%,
+      var(--affine-primary-color)
+    );
+    box-shadow: var(--affine-menu-shadow);
+    box-sizing: border-box;
+  }
+
+  .calendar-empty-month-hint-copy {
+    display: inline-flex;
+    align-items: baseline;
+    gap: 8px;
+    min-width: 0;
+  }
+
+  .calendar-empty-month-hint-title {
+    flex: 0 0 auto;
+    color: var(--affine-text-primary-color);
+    font-size: 12px;
+    font-weight: 600;
+    line-height: 18px;
+  }
+
+  .calendar-empty-month-hint-body {
+    min-width: 0;
+    color: var(--affine-text-secondary-color);
+    font-size: 12px;
+    line-height: 18px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+  }
+
+  .calendar-empty-month-hint-actions {
+    display: inline-flex;
+    align-items: center;
+    gap: 4px;
+    flex: 0 0 auto;
+  }
+
+  .calendar-empty-month-hint-action,
+  .calendar-empty-month-hint-close {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    gap: 4px;
+    height: 24px;
+    padding: 3px 8px;
+    border: 0;
+    border-radius: 5px;
+    background: color-mix(
+      in srgb,
+      var(--affine-primary-color) 10%,
+      var(--affine-background-primary-color)
+    );
+    color: var(--affine-primary-color);
+    font-size: 12px;
+    font-weight: 500;
+    line-height: 18px;
+    cursor: pointer;
+  }
+
+  .calendar-empty-month-hint-close {
+    width: 24px;
+    padding: 4px;
+    background: transparent;
+    color: var(--affine-icon-secondary);
+  }
+
+  .calendar-empty-month-hint-close svg {
+    width: 14px;
+    height: 14px;
+  }
+
+  .calendar-empty-month-hint-action:hover,
+  .calendar-empty-month-hint-close:hover {
+    background: color-mix(
+      in srgb,
+      var(--affine-primary-color) 16%,
+      var(--affine-background-primary-color)
+    );
+  }
+
+  .calendar-setup-wrap {
+    position: relative;
+  }
+
+  .calendar-setup-wrap .calendar-shell {
+    filter: grayscale(1) blur(1px);
+    opacity: 0.55;
+    pointer-events: none;
+  }
+
+  .calendar-setup {
+    position: absolute;
+    inset: 0;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+  }
+
+  .calendar-setup button {
+    height: 32px;
+    padding: 7px 12px;
+  }
+
+  .calendar-event-popover {
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+    width: 318px;
+    padding: 4px;
+    font-size: 13px;
+    line-height: 20px;
+  }
+
+  .calendar-event-popover-title {
+    padding: 2px 4px;
+    color: var(--affine-text-primary-color);
+    font-weight: 600;
+    font-size: 14px;
+    line-height: 22px;
+    margin-bottom: 2px;
+  }
+
+  .calendar-event-popover-row {
+    display: flex;
+    align-items: flex-start;
+    gap: 8px;
+    padding: 2px 4px;
+    color: var(--affine-text-secondary-color);
+  }
+
+  .calendar-event-popover-icon {
+    display: flex;
+    align-items: center;
+    flex: 0 0 16px;
+    height: 20px;
+    color: var(--affine-icon-secondary);
+  }
+
+  .calendar-event-popover-icon svg {
+    width: 16px;
+    height: 16px;
+  }
+
+  .calendar-event-popover-description {
+    white-space: pre-wrap;
+    word-break: break-word;
+  }
+`;

blocksuite/affine/data-view/src/view-presets/calendar/renderer.ts

@@ -0,0 +1,12 @@
+import './pc/effect.js';
+
+import { createIcon } from '../../core/utils/uni-icon.js';
+import type { DataViewUILogicBaseConstructor } from '../../core/view/data-view-base.js';
+import { calendarViewModel } from './define.js';
+import { CalendarViewUILogic } from './pc/view.js';
+
+export const calendarViewMeta = calendarViewModel.createMeta({
+  icon: createIcon('TodayIcon'),
+  pcLogic: () =>
+    CalendarViewUILogic as unknown as DataViewUILogicBaseConstructor,
+});

blocksuite/affine/data-view/src/view-presets/calendar/source.ts

@@ -0,0 +1,23 @@
+import { createIdentifier } from '@blocksuite/global/di';
+
+import type { DataSource } from '../../core/data-source/base.js';
+import type {
+  CalendarExternalSource,
+  CalendarStoredViewData,
+} from './types.js';
+
+export type CalendarExternalSourceFactory = {
+  id: string;
+  create(viewData: CalendarStoredViewData): CalendarExternalSource;
+};
+
+export const CalendarExternalSourceProvider =
+  createIdentifier<CalendarExternalSourceFactory>('calendar-external-source');
+
+export const getCalendarExternalSources = (
+  dataSource: DataSource,
+  viewData: CalendarStoredViewData
+) =>
+  Array.from(
+    dataSource.provider.getAll(CalendarExternalSourceProvider).values()
+  ).map(source => source.create(viewData));

blocksuite/affine/data-view/src/view-presets/calendar/types.ts

@@ -0,0 +1,97 @@
+import type { FilterGroup } from '../../core/filter/types.js';
+import type { Sort } from '../../core/sort/types.js';
+import type { BasicViewDataType } from '../../core/view/data-view.js';
+
+export type CalendarWorkspaceSourceConfig = {
+  enabled: boolean;
+  subscriptionIds?: string[];
+};
+
+export type CalendarUiData = {
+  emptyMonthHintDismissed?: boolean;
+};
+
+export type CalendarCardProperty = {
+  propertyId: string;
+  value: string;
+};
+
+export type CalendarTitleSegment = {
+  text: string;
+  linkedDoc?: boolean;
+};
+
+type CalendarViewDataShape = {
+  filter: FilterGroup;
+  sort?: Sort;
+  date: {
+    startColumnId?: string;
+    endColumnId?: string;
+  };
+  card: {
+    titleColumnId?: string;
+    visiblePropertyIds: string[];
+  };
+  sources: {
+    workspaceCalendar?: CalendarWorkspaceSourceConfig;
+  };
+  ui?: CalendarUiData;
+};
+
+export type CalendarViewData = BasicViewDataType<
+  'calendar',
+  CalendarViewDataShape
+>;
+
+export type CalendarStoredViewData = CalendarViewData;
+
+export type CalendarEntryBase = {
+  id: string;
+  sourceId: string;
+  title: string;
+  color?: string;
+  startAt: number;
+  endAt?: number;
+  allDay?: boolean;
+};
+
+export type CalendarRowEntry = CalendarEntryBase & {
+  kind: 'row';
+  sourceId: 'database';
+  rowId: string;
+  titleSegments?: CalendarTitleSegment[];
+  cardProperties: CalendarCardProperty[];
+  canResizeRange: boolean;
+};
+
+export type CalendarExternalEntry = CalendarEntryBase & {
+  kind: 'external';
+  sourceId: string;
+  externalId: string;
+  calendarName?: string;
+  location?: string;
+  description?: string;
+  canResizeRange: false;
+};
+
+export type CalendarEntry = CalendarRowEntry | CalendarExternalEntry;
+
+export type CalendarEntryRange = {
+  from: number;
+  to: number;
+};
+
+export type CalendarExternalSource = {
+  id: string;
+  getSubscriptionOptions?(): CalendarExternalSourceSubscription[];
+  openConnectSettings?(): void;
+  getEntries(
+    range: CalendarEntryRange
+  ): CalendarExternalEntry[] | Promise<CalendarExternalEntry[]>;
+};
+
+export type CalendarExternalSourceSubscription = {
+  id: string;
+  name: string;
+  color?: string;
+};

blocksuite/affine/data-view/src/view-presets/convert.ts

@@ -1,13 +1,45 @@
 import { createViewConvert } from '../core/view/convert.js';
+import { calendarViewModel } from './calendar/index.js';
 import { kanbanViewModel } from './kanban/index.js';
 import { tableViewModel } from './table/index.js';
 
+const headerToCalendarCard = (header?: { titleColumn?: string }) => ({
+  titleColumnId: header?.titleColumn,
+  visiblePropertyIds: [],
+});
+
+const calendarCardToHeader = (card?: { titleColumnId?: string }) => ({
+  titleColumn: card?.titleColumnId,
+});
+
 export const viewConverts = [
   createViewConvert(tableViewModel, kanbanViewModel, data => ({
     filter: data.filter,
+    header: data.header,
   })),
   createViewConvert(kanbanViewModel, tableViewModel, data => ({
     filter: data.filter,
+    header: data.header,
     groupBy: data.groupBy,
   })),
+  createViewConvert(tableViewModel, calendarViewModel, data => ({
+    filter: data.filter,
+    sort: data.sort,
+    card: headerToCalendarCard(data.header),
+  })),
+  createViewConvert(kanbanViewModel, calendarViewModel, data => ({
+    filter: data.filter,
+    sort: data.sort,
+    card: headerToCalendarCard(data.header),
+  })),
+  createViewConvert(calendarViewModel, tableViewModel, data => ({
+    filter: data.filter,
+    sort: data.sort,
+    header: calendarCardToHeader(data.card),
+  })),
+  createViewConvert(calendarViewModel, kanbanViewModel, data => ({
+    filter: data.filter,
+    sort: data.sort,
+    header: calendarCardToHeader(data.card),
+  })),
 ];

blocksuite/affine/data-view/src/view-presets/effect.ts

@@ -1,7 +1,9 @@
+import { calendarEffects } from './calendar/effect.js';
 import { kanbanEffects } from './kanban/effect.js';
 import { tableEffects } from './table/effect.js';
 
 export function viewPresetsEffects() {
+  calendarEffects();
   kanbanEffects();
   tableEffects();
 }

blocksuite/affine/data-view/src/view-presets/index.ts

@@ -1,6 +1,8 @@
+import { calendarViewMeta } from './calendar/index.js';
 import { kanbanViewMeta } from './kanban/index.js';
 import { tableViewMeta } from './table/index.js';
 
+export * from './calendar/index.js';
 export * from './convert.js';
 export * from './kanban/index.js';
 export * from './table/index.js';
@@ -8,4 +10,5 @@ export * from './table/index.js';
 export const viewPresets = {
   tableViewMeta: tableViewMeta,
   kanbanViewMeta: kanbanViewMeta,
+  calendarViewMeta: calendarViewMeta,
 };

blocksuite/affine/data-view/src/widget-presets/tools/presets/view-options/view-options.ts

@@ -1,4 +1,5 @@
 import {
+  type Menu,
   menu,
   type MenuButtonData,
   type MenuConfig,
@@ -16,22 +17,22 @@ import {
   InfoIcon,
   LayoutIcon,
   MoreHorizontalIcon,
+  PlusIcon,
   SortIcon,
 } from '@blocksuite/icons/lit';
 import { autoPlacement, offset, shift } from '@floating-ui/dom';
+import { signal } from '@preact/signals-core';
 import { css, html } from 'lit';
 import { styleMap } from 'lit/directives/style-map.js';
 
-import { popPropertiesSetting } from '../../../../core/common/properties.js';
 import { filterTraitKey } from '../../../../core/filter/trait.js';
 import {
-  popGroupSetting,
+  buildGroupSelectItems,
-  popSelectGroupByProperty,
+  buildGroupSettingItems,
 } from '../../../../core/group-by/setting.js';
 import { groupTraitKey } from '../../../../core/group-by/trait.js';
 import {
   type DataViewUILogicBase,
-  emptyFilterGroup,
   popCreateFilter,
   renderUniLit,
 } from '../../../../core/index.js';
@@ -39,8 +40,6 @@ import { popCreateSort } from '../../../../core/sort/add-sort.js';
 import { sortTraitKey } from '../../../../core/sort/manager.js';
 import { createSortUtils } from '../../../../core/sort/utils.js';
 import { WidgetBase } from '../../../../core/widget/widget-base.js';
-import { popFilterRoot } from '../../../quick-setting-bar/filter/root-panel-view.js';
-import { popSortRoot } from '../../../quick-setting-bar/sort/root-panel.js';
 
 const styles = css`
   .affine-database-toolbar-item.more-action {
@@ -95,267 +94,244 @@ declare global {
     'data-view-header-tools-view-options': DataViewHeaderToolsViewOptions;
   }
 }
-const createSettingMenus = (
+type Page =
-  target: PopupTarget,
+  | 'main'
-  dataViewLogic: DataViewUILogicBase,
+  | 'properties'
-  reopen: () => void,
+  | 'filter'
-  closeMenu: () => void
+  | 'sort'
-) => {
+  | 'group'
-  const view = dataViewLogic.view;
+  | 'group-select'
-  const settingItems: MenuConfig[] = [];
+  | 'custom';
-  settingItems.push(
+
-    menu.action({
+const pageTitles: Record<Exclude<Page, 'custom'>, string> = {
-      name: 'Properties',
+  main: 'View settings',
-      prefix: InfoIcon(),
+  properties: 'Properties',
-      closeOnSelect: false,
+  filter: 'Filter',
-      postfix: html` <div style="font-size: 14px;">
+  sort: 'Sort',
-          ${view.properties$.value.length} shown
+  group: 'Group',
-        </div>
+  'group-select': 'Group by',
-        ${ArrowRightSmallIcon()}`,
-      select: () => {
-        popPropertiesSetting(
-          target,
-          {
-            view: view,
-            onBack: reopen,
-            onClose: closeMenu,
-          },
-          [
-            autoPlacement({ allowedPlacements: ['bottom-start', 'top-start'] }),
-            offset({ mainAxis: 15, crossAxis: -162 }),
-            shift({ crossAxis: true }),
-          ]
-        );
-      },
-    })
-  );
-  const filterTrait = view.traitGet(filterTraitKey);
-  if (filterTrait) {
-    const filterCount = filterTrait.filter$.value.conditions.length;
-    settingItems.push(
-      menu.action({
-        name: 'Filter',
-        prefix: FilterIcon(),
-        closeOnSelect: false,
-        postfix: html` <div style="font-size: 14px;">
-            ${filterCount === 0
-              ? ''
-              : filterCount === 1
-                ? '1 filter'
-                : `${filterCount} filters`}
-          </div>
-          ${ArrowRightSmallIcon()}`,
-        select: () => {
-          if (!filterTrait.filter$.value.conditions.length) {
-            popCreateFilter(
-              target,
-              {
-                vars: view.vars$,
-                onBack: reopen,
-                onClose: closeMenu,
-                onSelect: filter => {
-                  filterTrait.filterSet({
-                    ...(filterTrait.filter$.value ?? emptyFilterGroup),
-                    conditions: [
-                      ...filterTrait.filter$.value.conditions,
-                      filter,
-                    ],
-                  });
-                  popFilterRoot(
-                    target,
-                    {
-                      filterTrait: filterTrait,
-                      onBack: reopen,
-                      onClose: closeMenu,
-                      dataViewLogic: dataViewLogic,
-                    },
-                    [
-                      autoPlacement({
-                        allowedPlacements: ['bottom-start', 'top-start'],
-                      }),
-                      offset({ mainAxis: 15, crossAxis: -162 }),
-                      shift({ crossAxis: true }),
-                    ]
-                  );
-                  dataViewLogic.eventTrace('CreateDatabaseFilter', {});
-                },
-              },
-              {
-                middleware: [
-                  autoPlacement({
-                    allowedPlacements: ['bottom-start', 'top-start'],
-                  }),
-                  offset({ mainAxis: 15, crossAxis: -162 }),
-                  shift({ crossAxis: true }),
-                ],
-              }
-            );
-          } else {
-            popFilterRoot(
-              target,
-              {
-                filterTrait: filterTrait,
-                onBack: reopen,
-                onClose: closeMenu,
-                dataViewLogic: dataViewLogic,
-              },
-              [
-                autoPlacement({
-                  allowedPlacements: ['bottom-start', 'top-start'],
-                }),
-                offset({ mainAxis: 15, crossAxis: -162 }),
-                shift({ crossAxis: true }),
-              ]
-            );
-          }
-        },
-      })
-    );
-  }
-  const sortTrait = view.traitGet(sortTraitKey);
-  if (sortTrait) {
-    const sortCount = sortTrait.sortList$.value.length;
-    settingItems.push(
-      menu.action({
-        name: 'Sort',
-        prefix: SortIcon(),
-        closeOnSelect: false,
-        postfix: html` <div style="font-size: 14px;">
-            ${sortCount === 0
-              ? ''
-              : sortCount === 1
-                ? '1 sort'
-                : `${sortCount} sorts`}
-          </div>
-          ${ArrowRightSmallIcon()}`,
-        select: () => {
-          const sortList = sortTrait.sortList$.value;
-          const sortUtils = createSortUtils(
-            sortTrait,
-            dataViewLogic.eventTrace
-          );
-          if (!sortList.length) {
-            popCreateSort(
-              target,
-              {
-                sortUtils: sortUtils,
-                onBack: reopen,
-                onClose: closeMenu,
-              },
-              {
-                middleware: [
-                  autoPlacement({
-                    allowedPlacements: ['bottom-start', 'top-start'],
-                  }),
-                  offset({ mainAxis: 15, crossAxis: -162 }),
-                  shift({ crossAxis: true }),
-                ],
-              }
-            );
-          } else {
-            popSortRoot(
-              target,
-              {
-                sortUtils: sortUtils,
-                title: {
-                  text: 'Sort',
-                  onBack: reopen,
-                  onClose: closeMenu,
-                },
-              },
-              [
-                autoPlacement({
-                  allowedPlacements: ['bottom-start', 'top-start'],
-                }),
-                offset({ mainAxis: 15, crossAxis: -162 }),
-                shift({ crossAxis: true }),
-              ]
-            );
-          }
-        },
-      })
-    );
-  }
-  const groupTrait = view.traitGet(groupTraitKey);
-  if (groupTrait) {
-    settingItems.push(
-      menu.action({
-        name: 'Group',
-        prefix: GroupingIcon(),
-        closeOnSelect: false,
-        postfix: html` <div style="font-size: 14px;">
-            ${groupTrait.property$.value?.name$.value ?? ''}
-          </div>
-          ${ArrowRightSmallIcon()}`,
-        select: () => {
-          const groupBy = groupTrait.property$.value;
-          if (!groupBy) {
-            popSelectGroupByProperty(
-              target,
-              groupTrait,
-              {
-                onSelect: () =>
-                  popGroupSetting(target, groupTrait, reopen, closeMenu, [
-                    autoPlacement({
-                      allowedPlacements: ['bottom-start', 'top-start'],
-                    }),
-                    offset({ mainAxis: 15, crossAxis: -162 }),
-                    shift({ crossAxis: true }),
-                  ]),
-                onBack: reopen,
-                onClose: closeMenu,
-              },
-              [
-                autoPlacement({
-                  allowedPlacements: ['bottom-start', 'top-start'],
-                }),
-                offset({ mainAxis: 15, crossAxis: -162 }),
-                shift({ crossAxis: true }),
-              ]
-            );
-          } else {
-            popGroupSetting(target, groupTrait, reopen, closeMenu, [
-              autoPlacement({
-                allowedPlacements: ['bottom-start', 'top-start'],
-              }),
-              offset({ mainAxis: 15, crossAxis: -162 }),
-              shift({ crossAxis: true }),
-            ]);
-          }
-        },
-      })
-    );
-  }
-  return settingItems;
 };
+
 export const popViewOptions = (
   target: PopupTarget,
   dataViewLogic: DataViewUILogicBase,
   onClose?: () => void
 ) => {
   const view = dataViewLogic.view;
-  const reopen = () => {
+
-    popViewOptions(target, dataViewLogic);
+  const currentPage = signal<Page>('main');
+  const pageStack: Page[] = ['main'];
+
+  let menuHandler!: ReturnType<typeof popMenu>;
+  let mainPageHeight: number | null = null;
+  let customPageTitle = '';
+  let customPageItems: () => MenuConfig[] = () => [];
+
+  const isDesktopMenu = () =>
+    menuHandler.menu.menuElement.tagName.toLowerCase() === 'affine-menu';
+
+  const navigate = (page: Page) => {
+    if (!isDesktopMenu()) {
+      pageStack.push(page);
+      currentPage.value = page;
+      return;
+    }
+    if (mainPageHeight === null) {
+      mainPageHeight =
+        menuHandler.menu.menuElement.getBoundingClientRect().height;
+    }
+    menuHandler.menu.menuElement.style.height = `${mainPageHeight}px`;
+    pageStack.push(page);
+    currentPage.value = page;
   };
-  let handler: ReturnType<typeof popMenu>;
+
+  const goBack = () => {
+    if (pageStack.length > 1) {
+      pageStack.pop();
+      const dest = pageStack[pageStack.length - 1] ?? 'main';
+      currentPage.value = dest;
+      if (dest === 'main') {
+        menuHandler.menu.menuElement.style.height = '';
+      }
+    }
+  };
+
+  const navigateToCustomPage = (
+    title: string,
+    getItems: () => MenuConfig[]
+  ) => {
+    customPageTitle = title;
+    customPageItems = getItems;
+    navigate('custom');
+  };
+
+  const titleConfig = {
+    get text() {
+      if (currentPage.value === 'custom') return customPageTitle;
+      return (
+        pageTitles[currentPage.value as Exclude<Page, 'custom'>] ??
+        'View settings'
+      );
+    },
+    get onBack(): ((menu: Menu) => false) | undefined {
+      return currentPage.value !== 'main'
+        ? (_: Menu) => {
+            goBack();
+            return false;
+          }
+        : undefined;
+    },
+    get postfix() {
+      if (currentPage.value !== 'properties') return undefined;
+      const items = view.propertiesRaw$.value;
+      const isAllShowed = items.every(p => !p.hide$.value);
+      const clickChangeAll = () => {
+        items.forEach(p => {
+          if (p.hideCanSet) p.hideSet(isAllShowed);
+        });
+      };
+      return () =>
+        html`<div
+          class="properties-group-op"
+          style="padding:4px 8px;font-size:12px;line-height:20px;font-weight:500;border-radius:4px;cursor:pointer;color:var(--affine-primary-color);"
+          @click="${clickChangeAll}"
+        >
+          ${isAllShowed ? 'Hide All' : 'Show All'}
+        </div>`;
+    },
+    get onClose() {
+      return () => menuHandler?.menu.close();
+    },
+  };
+
+  const getPropertiesPageItems = (): MenuConfig[] => [
+    menu.group({
+      items: [
+        () =>
+          html`<data-view-properties-setting
+            .view="${view}"
+          ></data-view-properties-setting>`,
+      ],
+    }),
+  ];
+
+  const getFilterPageItems = (): MenuConfig[] => {
+    const filterTrait = view.traitGet(filterTraitKey);
+    if (!filterTrait) return getMainPageItems();
+    return [
+      menu.group({
+        items: [
+          () =>
+            html`<filter-root-view
+              .onBack="${goBack}"
+              .vars="${view.vars$}"
+              .filterGroup="${filterTrait.filter$}"
+              .onChange="${filterTrait.filterSet}"
+            ></filter-root-view>`,
+        ],
+      }),
+      menu.group({
+        items: [
+          menu.action({
+            name: 'Add',
+            prefix: PlusIcon(),
+            select: ele => {
+              const value = filterTrait.filter$.value;
+              popCreateFilter(popupTargetFromElement(ele), {
+                vars: view.vars$,
+                onSelect: filter => {
+                  filterTrait.filterSet({
+                    ...value,
+                    conditions: [...value.conditions, filter],
+                  });
+                  dataViewLogic.eventTrace('CreateDatabaseFilter', {});
+                },
+              });
+              return false;
+            },
+          }),
+        ],
+      }),
+    ];
+  };
+
+  const getSortPageItems = (): MenuConfig[] => {
+    const sortTrait = view.traitGet(sortTraitKey);
+    if (!sortTrait) return getMainPageItems();
+    const sortUtils = createSortUtils(sortTrait, dataViewLogic.eventTrace);
+    return [
+      () => html`<sort-root-view .sortUtils="${sortUtils}"></sort-root-view>`,
+      menu.action({
+        name: 'Add sort',
+        prefix: PlusIcon(),
+        select: ele => {
+          popCreateSort(popupTargetFromElement(ele), { sortUtils });
+          return false;
+        },
+      }),
+      menu.action({
+        name: 'Delete',
+        class: { 'delete-item': true },
+        prefix: DeleteIcon(),
+        select: () => {
+          sortUtils.removeAll();
+        },
+      }),
+    ];
+  };
+
+  const getGroupPageItems = (): MenuConfig[] => {
+    const groupTrait = view.traitGet(groupTraitKey);
+    if (!groupTrait) return getMainPageItems();
+    const gProp = groupTrait.property$.value;
+    if (!gProp) return [];
+    return buildGroupSettingItems(
+      groupTrait,
+      () => navigate('group-select'),
+      () => navigate('main')
+    );
+  };
+
+  const getGroupSelectPageItems = (): MenuConfig[] => {
+    const groupTrait = view.traitGet(groupTraitKey);
+    if (!groupTrait) return getMainPageItems();
+    return buildGroupSelectItems(groupTrait, id => {
+      if (id) {
+        if (pageStack.at(-1) === 'group-select') {
+          pageStack[pageStack.length - 1] = 'group';
+        } else {
+          pageStack.push('group');
+        }
+        currentPage.value = 'group';
+      } else {
+        while (pageStack.length > 1) pageStack.pop();
+        currentPage.value = 'main';
+      }
+    });
+  };
+
+  const getMainPageItems = (): MenuConfig[] => {
     const items: MenuConfig[] = [];
+
     items.push(
       menu.input({
         initialValue: view.name$.value,
         placeholder: 'View name',
+        disableAutoFocus: true,
         onChange: text => {
           view.nameSet(text);
         },
       })
     );
+
     items.push(
       menu.group({
         items: [
-        menu => {
+          menuObj => {
-          const viewTypeItems = menu.renderItems(
+            const viewTypeItems = menuObj.renderItems(
               view.manager.viewMetas.map<MenuConfig>(meta => {
-              return menu => {
+                return menuObj => {
-                if (!menu.search(meta.model.defaultName)) {
+                  if (!menuObj.search(meta.model.defaultName)) {
                     return;
                   }
                   const isSelected =
@@ -376,12 +352,14 @@ export const popViewOptions = (
                   const buttonData: MenuButtonData = {
                     content: () => html`
                       <div
-                      style="width:100%;display: flex;flex-direction: column;align-items: center;justify-content: center;padding: 6px 16px;white-space: nowrap"
+                        style="width:100%;min-width:0;display: flex;flex-direction: column;align-items: center;justify-content: center;padding: 6px 4px;white-space: nowrap;box-sizing:border-box;"
                       >
                         <div style="${iconStyle}">
                           ${renderUniLit(meta.renderer.icon)}
                         </div>
-                      <div style="${textStyle}">${meta.model.defaultName}</div>
+                        <div style="${textStyle}">
+                          ${meta.model.defaultName}
+                        </div>
                       </div>
                     `,
                     select: () => {
@@ -400,7 +378,7 @@ export const popViewOptions = (
                   return html`<affine-menu-button
                     style="${containerStyle}"
                     .data="${buttonData}"
-                  .menu="${menu}"
+                    .menu="${menuObj}"
                   ></affine-menu-button>`;
                 };
               })
@@ -409,7 +387,9 @@ export const popViewOptions = (
               return html``;
             }
             return html`
-            <div style="display:flex;align-items:center;gap:8px;padding:0 2px;">
+              <div
+                style="display:flex;align-items:center;gap:8px;padding:0 2px;"
+              >
                 <div
                   style="display:flex;align-items:center;color:var(--affine-icon-color);"
                 >
@@ -421,7 +401,7 @@ export const popViewOptions = (
                   Layout
                 </div>
               </div>
-            <div style="display:flex;gap:8px;margin-top:8px;">
+              <div style="display:flex;gap:4px;margin-top:8px;">
                 ${viewTypeItems}
               </div>
             `;
@@ -430,18 +410,124 @@ export const popViewOptions = (
       })
     );
 
-  items.push(
+    const settingItems: MenuConfig[] = [];
-    menu.group({
+
-      items: createSettingMenus(target, dataViewLogic, reopen, () =>
+    settingItems.push(
-        handler.close()
+      menu.action({
-      ),
+        name: 'Properties',
+        prefix: InfoIcon(),
+        closeOnSelect: false,
+        postfix: html`
+          <div style="font-size: 14px;">
+            ${view.properties$.value.length} shown
+          </div>
+          ${ArrowRightSmallIcon()}
+        `,
+        select: () => {
+          navigate('properties');
+          return false;
+        },
       })
     );
+
+    const filterTrait = view.traitGet(filterTraitKey);
+    if (filterTrait) {
+      const filterCount = filterTrait.filter$.value.conditions.length;
+      settingItems.push(
+        menu.action({
+          name: 'Filter',
+          prefix: FilterIcon(),
+          closeOnSelect: false,
+          postfix: html`
+            <div style="font-size: 14px;">
+              ${filterCount === 0
+                ? ''
+                : filterCount === 1
+                  ? '1 active'
+                  : `${filterCount} active`}
+            </div>
+            ${ArrowRightSmallIcon()}
+          `,
+          select: () => {
+            navigate('filter');
+            return false;
+          },
+        })
+      );
+    }
+
+    const sortTrait = view.traitGet(sortTraitKey);
+    if (sortTrait) {
+      const sortCount = sortTrait.sortList$.value.length;
+      settingItems.push(
+        menu.action({
+          name: 'Sort',
+          prefix: SortIcon(),
+          closeOnSelect: false,
+          postfix: html`
+            <div style="font-size: 14px;">
+              ${sortCount === 0
+                ? ''
+                : sortCount === 1
+                  ? '1 active'
+                  : `${sortCount} active`}
+            </div>
+            ${ArrowRightSmallIcon()}
+          `,
+          select: () => {
+            navigate('sort');
+            return false;
+          },
+        })
+      );
+    }
+
+    const groupTrait = view.traitGet(groupTraitKey);
+    if (groupTrait) {
+      settingItems.push(
+        menu.action({
+          name: 'Group',
+          prefix: GroupingIcon(),
+          closeOnSelect: false,
+          postfix: html`
+            <div style="font-size: 14px;">
+              ${groupTrait.property$.value?.name$.value ?? ''}
+            </div>
+            ${ArrowRightSmallIcon()}
+          `,
+          select: () => {
+            const hasGroup = !!groupTrait.property$.value;
+            navigate(hasGroup ? 'group' : 'group-select');
+            return false;
+          },
+        })
+      );
+    }
+
+    items.push(menu.group({ items: settingItems }));
+
+    const viewSpecificItems =
+      (
+        dataViewLogic as DataViewUILogicBase & {
+          getViewOptionsSettingItems?: (
+            navigateToSubPage?: (
+              title: string,
+              getItems: () => MenuConfig[]
+            ) => void,
+            goBack?: () => void
+          ) => MenuConfig[];
+        }
+      ).getViewOptionsSettingItems?.(navigateToCustomPage, goBack) ?? [];
+
+    if (viewSpecificItems.length) {
+      items.push(menu.group({ items: viewSpecificItems }));
+    }
+
     items.push(
       menu.group({
         items: [
           menu.action({
-          name: 'Duplicate',
+            name: 'Duplicate view',
             prefix: DuplicateIcon(),
             closeOnSelect: false,
             select: () => {
@@ -449,7 +535,7 @@ export const popViewOptions = (
             },
           }),
           menu.action({
-          name: 'Delete',
+            name: 'Delete view',
             prefix: DeleteIcon(),
             closeOnSelect: false,
             select: () => {
@@ -460,14 +546,34 @@ export const popViewOptions = (
         ],
       })
     );
-  handler = popMenu(target, {
+
+    return items;
+  };
+
+  const getPageItems = (): MenuConfig[] => {
+    switch (currentPage.value) {
+      case 'properties':
+        return getPropertiesPageItems();
+      case 'filter':
+        return getFilterPageItems();
+      case 'sort':
+        return getSortPageItems();
+      case 'group':
+        return getGroupPageItems();
+      case 'group-select':
+        return getGroupSelectPageItems();
+      case 'custom':
+        return customPageItems();
+      default:
+        return getMainPageItems();
+    }
+  };
+
+  menuHandler = popMenu(target, {
     options: {
-      title: {
+      title: titleConfig,
-        text: 'View settings',
+      items: [menu.dynamic(getPageItems)],
-        onClose: () => handler.close(),
+      onClose,
-      },
-      items,
-      onClose: onClose,
     },
     middleware: [
       autoPlacement({ allowedPlacements: ['bottom-start'] }),
@@ -475,6 +581,23 @@ export const popViewOptions = (
       shift({ crossAxis: true }),
     ],
   });
-  handler.menu.menuElement.style.minHeight = '550px';
+  if (isDesktopMenu()) {
-  return handler;
+    menuHandler.menu.menuElement.style.minWidth = '380px';
+    menuHandler.menu.menuElement.style.maxWidth = '380px';
+    menuHandler.menu.menuElement.style.borderRadius = '10px';
+    menuHandler.menu.menuElement.style.padding = '12px';
+    menuHandler.menu.menuElement.style.gap = '10px';
+    requestAnimationFrame(() => {
+      const bodyEl =
+        menuHandler.menu.menuElement.querySelector<HTMLElement>(
+          '.affine-menu-body'
+        );
+      if (bodyEl) {
+        bodyEl.style.overflowY = 'auto';
+        bodyEl.style.flex = '1';
+        bodyEl.style.minHeight = '0';
+      }
+    });
+  }
+  return menuHandler;
 };

packages/frontend/core/package.json

@@ -24,6 +24,7 @@
     "@blocksuite/affine-block-root": "workspace:*",
     "@blocksuite/affine-components": "workspace:*",
     "@blocksuite/affine-shared": "workspace:*",
+    "@blocksuite/data-view": "workspace:*",
     "@blocksuite/global": "workspace:*",
     "@blocksuite/icons": "^2.2.17",
     "@blocksuite/std": "workspace:*",

packages/frontend/core/src/blocksuite/database-block/calendar/workspace-calendar-source.spec.ts

@@ -0,0 +1,319 @@
+/** @vitest-environment happy-dom */
+
+import { describe, expect, it, vi } from 'vitest';
+
+import {
+  calendarEventToExternalEntry,
+  selectWorkspaceCalendarSubscriptionIds,
+  WorkspaceCalendarExternalSource,
+} from './workspace-calendar-source';
+
+const accountCalendarsState = (value: unknown) => ({
+  ['accountCalendars$']: { value },
+});
+
+const workspaceCalendarsState = (value: unknown) => ({
+  ['workspaceCalendars$']: { value },
+});
+
+describe('workspace calendar source', () => {
+  it('intersects workspace enabled items with view subscription ids', () => {
+    const workspaceItems = [
+      { subscriptionId: 'a', enabled: true },
+      { subscriptionId: 'b', enabled: false },
+      { subscriptionId: 'c', enabled: true },
+    ];
+    const cases = [
+      {
+        viewConfig: {
+          enabled: true,
+          subscriptionIds: ['b', 'c'],
+        },
+        expected: ['c'],
+      },
+      {
+        viewConfig: {
+          enabled: false,
+        },
+        expected: [],
+      },
+    ];
+
+    for (const { viewConfig, expected } of cases) {
+      const ids = selectWorkspaceCalendarSubscriptionIds(
+        workspaceItems,
+        viewConfig
+      );
+
+      expect([...ids]).toEqual(expected);
+    }
+  });
+
+  it('maps event range to an external entry', () => {
+    const entry = calendarEventToExternalEntry(
+      {
+        id: 'event-1',
+        subscriptionId: 'sub-1',
+        externalEventId: 'external-1',
+        title: 'Planning',
+        description: 'Discuss roadmap',
+        location: 'Room A',
+        startAtUtc: '2026-05-15T01:00:00.000Z',
+        endAtUtc: '2026-05-16T01:00:00.000Z',
+        allDay: false,
+      } as any,
+      {
+        color: '#2f7d32',
+        calendarName: 'Work',
+      }
+    );
+
+    expect(entry).toMatchObject({
+      kind: 'external',
+      id: 'workspace-calendar:event-1',
+      externalId: 'external-1',
+      title: 'Planning',
+      color: '#2f7d32',
+      calendarName: 'Work',
+      description: 'Discuss roadmap',
+      location: 'Room A',
+    });
+    expect(entry.endAt).toBeGreaterThan(entry.startAt);
+  });
+
+  it('falls back to stable visible colors for muted calendar colors', () => {
+    const event = {
+      id: 'event-1',
+      subscriptionId: 'sub-1',
+      title: 'Planning',
+      startAtUtc: '2026-05-15T01:00:00.000Z',
+      endAtUtc: '2026-05-16T01:00:00.000Z',
+      allDay: false,
+    } as any;
+
+    expect(calendarEventToExternalEntry(event, { color: '#00f' }).color).toBe(
+      '#6f6b2f'
+    );
+    expect(calendarEventToExternalEntry(event, { color: '#eee' }).color).toBe(
+      '#6f6b2f'
+    );
+    expect(calendarEventToExternalEntry(event).color).toBe('#6f6b2f');
+  });
+
+  it('uses workspace color override before account calendar color', async () => {
+    const source = new WorkspaceCalendarExternalSource(
+      {
+        ...accountCalendarsState(
+          new Map([['account-1', [{ id: 'sub-1', color: '#111' }]]])
+        ),
+        ...workspaceCalendarsState([
+          {
+            items: [
+              {
+                subscriptionId: 'sub-1',
+                enabled: true,
+                colorOverride: '#ad3b69',
+              },
+            ],
+          },
+        ]),
+        revalidateEventsRange: vi.fn().mockResolvedValue([
+          {
+            id: 'event-1',
+            subscriptionId: 'sub-1',
+            title: 'Planning',
+            startAtUtc: '2026-05-15T01:00:00.000Z',
+            endAtUtc: '2026-05-15T02:00:00.000Z',
+            allDay: false,
+          },
+        ]),
+      } as any,
+      () => true,
+      {
+        sources: {
+          workspaceCalendar: {
+            enabled: true,
+          },
+        },
+      } as any
+    );
+
+    await expect(
+      source.getEntries({ from: Date.now(), to: Date.now() })
+    ).resolves.toMatchObject([{ color: '#ad3b69' }]);
+    expect(source.getSubscriptionOptions()).toEqual([
+      {
+        id: 'sub-1',
+        name: 'sub-1',
+        color: '#ad3b69',
+      },
+    ]);
+  });
+
+  it('returns empty entries without server', async () => {
+    const revalidateEventsRange = vi.fn();
+    const source = new WorkspaceCalendarExternalSource(
+      {
+        ...accountCalendarsState(new Map()),
+        ...workspaceCalendarsState([
+          {
+            items: [{ subscriptionId: 'sub-1', enabled: true }],
+          },
+        ]),
+        revalidateEventsRange,
+      } as any,
+      () => false,
+      {
+        sources: {
+          workspaceCalendar: {
+            enabled: true,
+          },
+        },
+      } as any
+    );
+
+    await expect(
+      source.getEntries({ from: Date.now(), to: Date.now() })
+    ).resolves.toEqual([]);
+    expect(revalidateEventsRange).not.toHaveBeenCalled();
+  });
+
+  it('opens workspace integration settings from connect entry', () => {
+    const openSettings = vi.fn();
+    const source = new WorkspaceCalendarExternalSource(
+      undefined,
+      () => false,
+      {
+        sources: {
+          workspaceCalendar: {
+            enabled: true,
+          },
+        },
+      } as any,
+      openSettings
+    );
+
+    source.openConnectSettings();
+
+    expect(openSettings).toHaveBeenCalled();
+  });
+
+  it('loads empty calendar caches before fetching entries', async () => {
+    const loadAccountCalendars = vi.fn().mockResolvedValue(
+      new Map([
+        [
+          'account-1',
+          [
+            {
+              id: 'sub-1',
+              displayName: 'Work',
+              color: '#111',
+            },
+          ],
+        ],
+      ])
+    );
+    const revalidateWorkspaceCalendars = vi.fn().mockResolvedValue([
+      {
+        items: [{ subscriptionId: 'sub-1', enabled: true }],
+      },
+    ]);
+    const source = new WorkspaceCalendarExternalSource(
+      {
+        ...accountCalendarsState(new Map()),
+        ...workspaceCalendarsState([]),
+        loadAccountCalendars,
+        revalidateWorkspaceCalendars,
+        revalidateEventsRange: vi.fn().mockResolvedValue([
+          {
+            id: 'event-1',
+            subscriptionId: 'sub-1',
+            title: 'Planning',
+            startAtUtc: '2026-05-15T01:00:00.000Z',
+            endAtUtc: '2026-05-15T02:00:00.000Z',
+            allDay: false,
+          },
+        ]),
+      } as any,
+      () => true,
+      {
+        sources: {
+          workspaceCalendar: {
+            enabled: true,
+          },
+        },
+      } as any
+    );
+
+    await expect(
+      source.getEntries({ from: Date.now(), to: Date.now() })
+    ).resolves.toMatchObject([{ title: 'Planning' }]);
+    expect(loadAccountCalendars).toHaveBeenCalled();
+    expect(revalidateWorkspaceCalendars).toHaveBeenCalled();
+  });
+
+  it('returns empty entries when calendar requests fail', async () => {
+    const source = new WorkspaceCalendarExternalSource(
+      {
+        ...accountCalendarsState(new Map()),
+        ...workspaceCalendarsState([
+          {
+            items: [{ subscriptionId: 'sub-1', enabled: true }],
+          },
+        ]),
+        loadAccountCalendars: vi.fn().mockResolvedValue(new Map()),
+        revalidateEventsRange: vi.fn().mockRejectedValue(new Error('denied')),
+      } as any,
+      () => true,
+      {
+        sources: {
+          workspaceCalendar: {
+            enabled: true,
+          },
+        },
+      } as any
+    );
+
+    await expect(
+      source.getEntries({ from: Date.now(), to: Date.now() })
+    ).resolves.toEqual([]);
+  });
+
+  it('returns empty entries when account calendar loading fails', async () => {
+    const revalidateEventsRange = vi.fn().mockResolvedValue([
+      {
+        id: 'event-1',
+        subscriptionId: 'sub-1',
+        title: 'Planning',
+        startAtUtc: '2026-05-15T01:00:00.000Z',
+        endAtUtc: '2026-05-15T02:00:00.000Z',
+        allDay: false,
+      },
+    ]);
+    const source = new WorkspaceCalendarExternalSource(
+      {
+        ...accountCalendarsState(new Map()),
+        ...workspaceCalendarsState([
+          {
+            items: [{ subscriptionId: 'sub-1', enabled: true }],
+          },
+        ]),
+        loadAccountCalendars: vi.fn().mockRejectedValue(new Error('denied')),
+        revalidateEventsRange,
+      } as any,
+      () => true,
+      {
+        sources: {
+          workspaceCalendar: {
+            enabled: true,
+          },
+        },
+      } as any
+    );
+
+    await expect(
+      source.getEntries({ from: Date.now(), to: Date.now() })
+    ).resolves.toEqual([]);
+    expect(revalidateEventsRange).not.toHaveBeenCalled();
+  });
+});

packages/frontend/core/src/blocksuite/database-block/calendar/workspace-calendar-source.ts

@@ -0,0 +1,294 @@
+import { CALENDAR_INTEGRATION_SCROLL_ANCHOR } from '@affine/core/desktop/dialogs/setting/navigation-constants';
+import { WorkspaceServerService } from '@affine/core/modules/cloud';
+import { WorkspaceDialogService } from '@affine/core/modules/dialogs';
+import { IntegrationService } from '@affine/core/modules/integration';
+import type {
+  CalendarEntryRange,
+  CalendarExternalEntry,
+  CalendarViewData,
+} from '@blocksuite/data-view/view-presets';
+import type { FrameworkProvider } from '@toeverything/infra';
+import dayjs from 'dayjs';
+
+type CalendarIntegrationLike = IntegrationService['calendar'];
+
+type CalendarEventPayload = Awaited<
+  ReturnType<CalendarIntegrationLike['revalidateEventsRange']>
+>[number];
+
+const calendarColorPalette = [
+  '#2f7d32',
+  '#b45309',
+  '#ad3b69',
+  '#8f6a00',
+  '#6f6b2f',
+  '#9f4f1a',
+] as const;
+
+const hashString = (value: string) => {
+  let hash = 0;
+  for (let index = 0; index < value.length; index++) {
+    hash = (hash * 31 + value.charCodeAt(index)) >>> 0;
+  }
+  return hash;
+};
+
+const parseHexColor = (color: string) => {
+  const hex = color.trim();
+  const match = /^#([0-9a-f]{3}|[0-9a-f]{6})$/i.exec(hex);
+  if (!match) {
+    return;
+  }
+  const value =
+    match[1].length === 3
+      ? match[1]
+          .split('')
+          .map(char => char + char)
+          .join('')
+      : match[1];
+  return {
+    r: Number.parseInt(value.slice(0, 2), 16),
+    g: Number.parseInt(value.slice(2, 4), 16),
+    b: Number.parseInt(value.slice(4, 6), 16),
+  };
+};
+
+const getColorHue = ({ r, g, b }: { r: number; g: number; b: number }) => {
+  const red = r / 255;
+  const green = g / 255;
+  const blue = b / 255;
+  const max = Math.max(red, green, blue);
+  const min = Math.min(red, green, blue);
+  const delta = max - min;
+  if (delta === 0) {
+    return 0;
+  }
+  if (max === red) {
+    return ((green - blue) / delta + (green < blue ? 6 : 0)) * 60;
+  }
+  if (max === green) {
+    return ((blue - red) / delta + 2) * 60;
+  }
+  return ((red - green) / delta + 4) * 60;
+};
+
+const isMutedCalendarColor = (color: string) => {
+  const rgb = parseHexColor(color);
+  if (!rgb) {
+    return true;
+  }
+  const { r, g, b } = rgb;
+  const max = Math.max(r, g, b);
+  const min = Math.min(r, g, b);
+  const lightness = (max + min) / 510;
+  const saturation =
+    max === min ? 0 : (max - min) / (255 - Math.abs(max + min - 255));
+  const hue = getColorHue(rgb);
+  return (
+    lightness > 0.9 ||
+    saturation < 0.18 ||
+    (hue >= 190 && hue <= 260 && saturation > 0.18)
+  );
+};
+
+const getCalendarColor = (subscriptionId: string, color?: string | null) => {
+  if (color && !isMutedCalendarColor(color)) {
+    return color;
+  }
+  return calendarColorPalette[
+    hashString(subscriptionId) % calendarColorPalette.length
+  ];
+};
+
+export const selectWorkspaceCalendarSubscriptionIds = (
+  workspaceItems: Array<{
+    subscriptionId: string;
+    enabled: boolean;
+  }>,
+  viewConfig?: CalendarViewData['sources']['workspaceCalendar']
+) => {
+  if (!viewConfig?.enabled) {
+    return new Set<string>();
+  }
+  const viewIds = viewConfig.subscriptionIds
+    ? new Set(viewConfig.subscriptionIds)
+    : undefined;
+  return new Set(
+    workspaceItems
+      .filter(item => item.enabled)
+      .filter(item => !viewIds || viewIds.has(item.subscriptionId))
+      .map(item => item.subscriptionId)
+  );
+};
+
+export const calendarEventToExternalEntry = (
+  event: CalendarEventPayload,
+  options?: {
+    color?: string | null;
+    calendarName?: string;
+  }
+) =>
+  ({
+    kind: 'external',
+    id: `workspace-calendar:${event.id}`,
+    sourceId: 'workspace-calendar',
+    externalId: event.externalEventId ?? event.id,
+    title: event.title ?? '',
+    color:
+      options?.color !== undefined
+        ? getCalendarColor(event.subscriptionId, options.color)
+        : getCalendarColor(event.subscriptionId),
+    calendarName: options?.calendarName,
+    location: event.location ?? undefined,
+    description: event.description ?? undefined,
+    startAt: dayjs(event.startAtUtc).valueOf(),
+    endAt: dayjs(event.endAtUtc).valueOf(),
+    allDay: event.allDay,
+    canResizeRange: false,
+  }) as CalendarExternalEntry;
+
+export class WorkspaceCalendarExternalSource {
+  id = 'workspace-calendar';
+
+  constructor(
+    private readonly calendar: CalendarIntegrationLike | undefined,
+    private readonly hasServer: () => boolean,
+    private readonly viewData: CalendarViewData,
+    private readonly openSettings?: () => void
+  ) {}
+
+  openConnectSettings() {
+    this.openSettings?.();
+  }
+
+  async getEntries(range: CalendarEntryRange) {
+    const calendar = this.calendar;
+    if (!calendar || !this.hasServer()) {
+      return [];
+    }
+
+    const workspaceCalendars =
+      calendar.workspaceCalendars$.value.length > 0
+        ? calendar.workspaceCalendars$.value
+        : await calendar.revalidateWorkspaceCalendars().catch(() => []);
+    if (calendar.accountCalendars$.value.size === 0) {
+      const accountCalendars = await calendar
+        .loadAccountCalendars()
+        .catch(() => undefined);
+      if (!accountCalendars) {
+        return [];
+      }
+    }
+
+    const workspaceCalendar = workspaceCalendars[0];
+    const workspaceItems = workspaceCalendar?.items ?? [];
+    const subscriptionIds = selectWorkspaceCalendarSubscriptionIds(
+      workspaceItems,
+      this.viewData.sources?.workspaceCalendar
+    );
+    if (subscriptionIds.size === 0) {
+      return [];
+    }
+
+    const events = await calendar
+      .revalidateEventsRange(dayjs(range.from), dayjs(range.to))
+      .catch(() => []);
+    const infoBySubscriptionId = this.getSubscriptionInfo();
+    const colorBySubscriptionId = new Map<string, string | null | undefined>();
+    for (const calendars of calendar.accountCalendars$.value.values()) {
+      for (const subscription of calendars) {
+        colorBySubscriptionId.set(subscription.id, subscription.color);
+      }
+    }
+    for (const item of workspaceItems) {
+      if (item.colorOverride) {
+        colorBySubscriptionId.set(item.subscriptionId, item.colorOverride);
+      }
+    }
+
+    return events
+      .filter(event => subscriptionIds.has(event.subscriptionId))
+      .map(event =>
+        calendarEventToExternalEntry(event, {
+          color: getCalendarColor(
+            event.subscriptionId,
+            colorBySubscriptionId.get(event.subscriptionId)
+          ),
+          calendarName: infoBySubscriptionId.get(event.subscriptionId)?.name,
+        })
+      );
+  }
+
+  getSubscriptionOptions() {
+    const workspaceItems =
+      this.calendar?.workspaceCalendars$.value[0]?.items ?? [];
+    const enabledIds = new Set(
+      workspaceItems
+        .filter(item => item.enabled)
+        .map(item => item.subscriptionId)
+    );
+    return [...this.getSubscriptionInfo()]
+      .filter(([id]) => enabledIds.has(id))
+      .map(([id, info]) => ({
+        id,
+        name: info.name,
+        color: getCalendarColor(
+          id,
+          workspaceItems.find(item => item.subscriptionId === id)
+            ?.colorOverride ?? info.color
+        ),
+      }));
+  }
+
+  private getSubscriptionInfo() {
+    const infoBySubscriptionId = new Map<
+      string,
+      {
+        name: string;
+        color?: string | null;
+      }
+    >();
+    for (const calendars of this.calendar?.accountCalendars$.value.values() ??
+      []) {
+      for (const subscription of calendars) {
+        infoBySubscriptionId.set(subscription.id, {
+          name:
+            subscription.displayName ??
+            subscription.externalCalendarId ??
+            subscription.id,
+          color: subscription.color,
+        });
+      }
+    }
+    return infoBySubscriptionId;
+  }
+}
+
+export const createWorkspaceCalendarExternalSource = (
+  framework?: FrameworkProvider
+) => {
+  if (!framework) {
+    return {
+      id: 'workspace-calendar',
+      create: (viewData: CalendarViewData) =>
+        new WorkspaceCalendarExternalSource(undefined, () => false, viewData),
+    };
+  }
+  const integration = framework.get(IntegrationService);
+  const server = framework.get(WorkspaceServerService);
+  const dialog = framework.get(WorkspaceDialogService);
+  return {
+    id: 'workspace-calendar',
+    create: (viewData: CalendarViewData) =>
+      new WorkspaceCalendarExternalSource(
+        integration.calendar,
+        () => !!server.server,
+        viewData,
+        () =>
+          dialog.open('setting', {
+            activeTab: 'workspace:integrations',
+            scrollAnchor: CALENDAR_INTEGRATION_SCROLL_ANCHOR,
+          })
+      ),
+  };
+};

packages/frontend/core/src/blocksuite/manager/view.ts

@@ -224,6 +224,7 @@ class ViewProvider {
   };
 
   private readonly _configureDatabase = (framework?: FrameworkProvider) => {
+    this._manager.configure(AffineDatabaseViewExtension, { framework });
     if (framework) {
       this._manager.configure(
         DatabaseViewExtension,

packages/frontend/core/src/blocksuite/view-extensions/database/database-block-config-service.ts

@@ -3,11 +3,16 @@ import {
   ExternalGroupByConfigProvider,
 } from '@blocksuite/affine/blocks/database';
 import type { ExtensionType } from '@blocksuite/affine/store';
+import { CalendarExternalSourceProvider } from '@blocksuite/data-view/view-presets';
+import type { FrameworkProvider } from '@toeverything/infra';
 
+import { createWorkspaceCalendarExternalSource } from '../../database-block/calendar/workspace-calendar-source';
 import { groupByConfigList } from '../../database-block/group-by';
 import { propertiesPresets } from '../../database-block/properties';
 
-export function patchDatabaseBlockConfigService(): ExtensionType {
+export function patchDatabaseBlockConfigService(
+  framework?: FrameworkProvider
+): ExtensionType {
   //TODO use service
   DatabaseBlockDataSource.externalProperties.value = propertiesPresets;
   return {
@@ -15,6 +20,8 @@ export function patchDatabaseBlockConfigService(): ExtensionType {
       groupByConfigList.forEach(config => {
         di.addValue(ExternalGroupByConfigProvider(config.name), config);
       });
+      const source = createWorkspaceCalendarExternalSource(framework);
+      di.addValue(CalendarExternalSourceProvider(source.id), source);
     },
   };
 }

packages/frontend/core/src/blocksuite/view-extensions/database/index.ts

@@ -2,11 +2,14 @@ import {
   type ViewExtensionContext,
   ViewExtensionProvider,
 } from '@blocksuite/affine/ext-loader';
+import { FrameworkProvider } from '@toeverything/infra';
 import { z } from 'zod';
 
 import { patchDatabaseBlockConfigService } from './database-block-config-service';
 
-const optionsSchema = z.object({});
+const optionsSchema = z.object({
+  framework: z.instanceof(FrameworkProvider).optional(),
+});
 
 export type AffineDatabaseViewOptions = z.infer<typeof optionsSchema>;
 
@@ -21,6 +24,6 @@ export class AffineDatabaseViewExtension extends ViewExtensionProvider<AffineDat
   ) {
     super.setup(context, options);
 
-    context.register(patchDatabaseBlockConfigService());
+    context.register(patchDatabaseBlockConfigService(options?.framework));
   }
 }

packages/frontend/core/tsconfig.json

@@ -21,6 +21,7 @@
     { "path": "../../../blocksuite/affine/blocks/root" },
     { "path": "../../../blocksuite/affine/components" },
     { "path": "../../../blocksuite/affine/shared" },
+    { "path": "../../../blocksuite/affine/data-view" },
     { "path": "../../../blocksuite/framework/global" },
     { "path": "../../../blocksuite/framework/std" },
     { "path": "../../common/infra" },

tests/blocksuite/e2e/database/calendar.spec.ts

@@ -0,0 +1,475 @@
+import type { DatabaseBlockModel } from '@blocksuite/affine/model';
+import type { DeltaInsert } from '@blocksuite/store';
+import { expect, type Page } from '@playwright/test';
+
+import {
+  enterPlaygroundRoom,
+  getEditorHostLocator,
+  waitNextFrame,
+} from '../utils/actions/index.js';
+import { scoped, test } from '../utils/playwright.js';
+
+const createCalendarDatabase = async (
+  page: Page,
+  options?: {
+    withDateColumn?: boolean;
+    mapDateColumn?: boolean;
+    readonly?: boolean;
+    rowCount?: number;
+    linkedDocTitle?: string;
+    withEndDateColumn?: boolean;
+  }
+) => {
+  return page.evaluate(
+    ({
+      withDateColumn,
+      mapDateColumn,
+      readonly,
+      rowCount,
+      linkedDocTitle,
+      withEndDateColumn,
+    }) => {
+      const { doc } = window;
+      const rows = rowCount ?? 1;
+      const linkedDocId = linkedDocTitle ? `doc:${linkedDocTitle}` : undefined;
+      doc.captureSync();
+      const rootId = doc.addBlock('affine:page', {
+        title: new window.$blocksuite.store.Text(),
+      });
+      const noteId = doc.addBlock('affine:note', {}, rootId);
+      const databaseId = doc.addBlock(
+        'affine:database',
+        {
+          title: new window.$blocksuite.store.Text('Calendar database'),
+        },
+        noteId
+      );
+      if (linkedDocId && linkedDocTitle) {
+        const linkedDoc = window.collection.createDoc(linkedDocId).getStore();
+        linkedDoc.load();
+        const linkedRootId = linkedDoc.addBlock('affine:page', {
+          title: new window.$blocksuite.store.Text(linkedDocTitle),
+        });
+        linkedDoc.addBlock('affine:surface', {}, linkedRootId);
+        linkedDoc.addBlock('affine:note', {}, linkedRootId);
+      }
+      const rowIds = Array.from({ length: rows }, (_, index) => {
+        const text =
+          index === 0 && linkedDocId
+            ? new window.$blocksuite.store.Text([
+                {
+                  insert: ' ',
+                  attributes: {
+                    reference: {
+                      type: 'LinkedPage',
+                      pageId: linkedDocId,
+                    },
+                  },
+                },
+              ] as unknown as DeltaInsert[])
+            : new window.$blocksuite.store.Text(`Task ${index + 1}`);
+        return doc.addBlock(
+          'affine:paragraph',
+          {
+            type: 'text',
+            text,
+          },
+          databaseId
+        );
+      });
+      const rowId = rowIds[0];
+      const model = doc.getModelById(databaseId) as DatabaseBlockModel;
+      const datasource =
+        new window.$blocksuite.blocks.database.DatabaseBlockDataSource(model);
+      const dateColumnId = withDateColumn
+        ? datasource.propertyAdd('end', {
+            type: 'date',
+            name: 'Date',
+          })
+        : undefined;
+      const endDateColumnId = withEndDateColumn
+        ? datasource.propertyAdd('end', {
+            type: 'date',
+            name: 'End Date',
+          })
+        : undefined;
+      if (dateColumnId) {
+        for (const id of rowIds) {
+          datasource.cellValueChange(
+            id,
+            dateColumnId,
+            new Date('2026-05-15T00:00:00').getTime()
+          );
+          if (endDateColumnId) {
+            datasource.cellValueChange(
+              id,
+              endDateColumnId,
+              new Date('2026-05-17T00:00:00').getTime()
+            );
+          }
+        }
+      }
+      const viewId = datasource.viewManager.viewAdd('calendar');
+      datasource.viewManager.setCurrentView(viewId);
+      if (dateColumnId && mapDateColumn) {
+        const view = datasource.viewManager.viewGet(viewId) as
+          | {
+              setDateColumn: (propertyId: string) => void;
+              setEndDateColumn: (propertyId: string) => void;
+            }
+          | undefined;
+        view?.setDateColumn(dateColumnId);
+        if (endDateColumnId) {
+          view?.setEndDateColumn(endDateColumnId);
+        }
+      }
+      if (readonly) {
+        doc.readonly = true;
+      }
+      doc.captureSync();
+      return {
+        databaseId,
+        rowId,
+        rowIds,
+        dateColumnId,
+        endDateColumnId,
+        viewId,
+        linkedDocId,
+      };
+    },
+    options ?? {}
+  );
+};
+
+test(scoped`database calendar setup and row interactions`, async ({ page }) => {
+  await enterPlaygroundRoom(page);
+  const ids = await createCalendarDatabase(page, {
+    withDateColumn: true,
+    mapDateColumn: false,
+  });
+
+  const editorHost = getEditorHostLocator(page);
+  await expect(editorHost.getByTestId('dv-calendar-view')).toBeVisible();
+  await expect(
+    page.getByRole('button', { name: 'Select or create date property' })
+  ).toBeVisible();
+
+  await page
+    .getByRole('button', { name: 'Select or create date property' })
+    .click();
+  await page.getByText('Date', { exact: true }).click();
+  await expect(
+    page.locator('.calendar-entry').filter({ hasText: 'Task 1' })
+  ).toBeVisible();
+
+  await page.locator('.calendar-entry').filter({ hasText: 'Task 1' }).click();
+  await expect(page.locator('affine-data-view-record-detail')).toBeVisible();
+
+  await page.evaluate(({ databaseId, dateColumnId }) => {
+    if (!dateColumnId) {
+      throw new Error('dateColumnId is required');
+    }
+    const model = window.doc.getModelById(databaseId) as DatabaseBlockModel;
+    const datasource =
+      new window.$blocksuite.blocks.database.DatabaseBlockDataSource(model);
+    datasource.propertyDelete(dateColumnId);
+  }, ids);
+  await expect(
+    page.getByRole('button', { name: 'Select or create date property' })
+  ).toBeVisible();
+});
+
+test(
+  scoped`database calendar creates date property from setup`,
+  async ({ page }) => {
+    await enterPlaygroundRoom(page);
+    await createCalendarDatabase(page);
+
+    await page
+      .getByRole('button', { name: 'Select or create date property' })
+      .click();
+    await page.getByText('Create date property', { exact: true }).click();
+
+    await expect(
+      page.getByRole('button', { name: 'Select or create date property' })
+    ).toBeHidden();
+  }
+);
+
+test(scoped`database calendar creates row from empty day`, async ({ page }) => {
+  await enterPlaygroundRoom(page);
+  const ids = await createCalendarDatabase(page, {
+    withDateColumn: true,
+    mapDateColumn: true,
+  });
+
+  const targetDay = page
+    .locator('.calendar-day')
+    .filter({ has: page.locator('.calendar-day-number', { hasText: '20' }) })
+    .first();
+  await targetDay.hover();
+  await targetDay.getByRole('button', { name: '+ New row' }).click();
+
+  await expect(page.locator('affine-data-view-record-detail')).toBeVisible();
+
+  const expectedDate = await page.evaluate(() =>
+    new Date('2026-05-20T00:00:00').getTime()
+  );
+  await expect
+    .poll(() =>
+      page.evaluate(
+        ({ databaseId, dateColumnId, expectedDate }) => {
+          if (!dateColumnId) {
+            throw new Error('dateColumnId is required');
+          }
+          const model = window.doc.getModelById(
+            databaseId
+          ) as DatabaseBlockModel;
+          const datasource =
+            new window.$blocksuite.blocks.database.DatabaseBlockDataSource(
+              model
+            );
+          return datasource.rows$.value.some(
+            rowId =>
+              datasource.cellValueGet(rowId, dateColumnId) === expectedDate
+          );
+        },
+        { ...ids, expectedDate }
+      )
+    )
+    .toBe(true);
+});
+
+test(
+  scoped`database calendar opens linked doc row via row detail`,
+  async ({ page }) => {
+    await enterPlaygroundRoom(page);
+    const ids = await createCalendarDatabase(page, {
+      withDateColumn: true,
+      mapDateColumn: true,
+      linkedDocTitle: 'Calendar linked doc',
+    });
+
+    await page.evaluate(({ databaseId }) => {
+      const database = document.querySelector(
+        `affine-database[data-block-id="${databaseId}"]`
+      ) as any;
+      database.dataViewRootLogic.value.openDetailPanel = ({
+        rowId,
+      }: {
+        rowId: string;
+      }) => {
+        (window as any).__calendarRowOpen = rowId;
+      };
+    }, ids);
+
+    const entry = page.locator('.calendar-entry.row').first();
+    await expect(entry).toContainText('Calendar linked doc');
+    await entry.click();
+
+    await expect
+      .poll(() => page.evaluate(() => (window as any).__calendarRowOpen))
+      .toBe(ids.rowId);
+  }
+);
+
+test(
+  scoped`database calendar hides setup create action in readonly`,
+  async ({ page }) => {
+    await enterPlaygroundRoom(page);
+    await createCalendarDatabase(page, { readonly: true });
+
+    await page
+      .getByRole('button', { name: 'Select or create date property' })
+      .click();
+
+    await expect(
+      page.getByText('Create date property', { exact: true })
+    ).toBeHidden();
+
+    await page.evaluate(() => {
+      window.doc.readonly = false;
+    });
+  }
+);
+
+test(scoped`database calendar shows all day entries`, async ({ page }) => {
+  await enterPlaygroundRoom(page);
+  await createCalendarDatabase(page, {
+    withDateColumn: true,
+    mapDateColumn: true,
+    rowCount: 4,
+  });
+
+  const may15 = page
+    .locator('.calendar-day')
+    .filter({ has: page.locator('.calendar-day-number', { hasText: '15' }) })
+    .first();
+
+  await expect(may15.locator('.calendar-entry')).toHaveCount(4);
+  await expect(may15.locator('.calendar-overflow')).toHaveCount(0);
+});
+
+test(
+  scoped`database calendar drag updates date cell and readonly disables drag`,
+  async ({ page }) => {
+    await enterPlaygroundRoom(page);
+    const ids = await createCalendarDatabase(page, {
+      withDateColumn: true,
+      mapDateColumn: true,
+    });
+    await waitNextFrame(page);
+
+    const entry = page.locator('.calendar-entry').filter({ hasText: 'Task 1' });
+    const targetDay = page
+      .locator('.calendar-day')
+      .filter({ has: page.locator('.calendar-day-number', { hasText: '20' }) })
+      .first();
+    await entry.dragTo(targetDay);
+
+    const expectedDate = await page.evaluate(() =>
+      new Date('2026-05-20T00:00:00').getTime()
+    );
+    await expect
+      .poll(async () =>
+        page.evaluate(({ databaseId, rowId, dateColumnId }) => {
+          if (!dateColumnId) {
+            throw new Error('dateColumnId is required');
+          }
+          const model = window.doc.getModelById(
+            databaseId
+          ) as DatabaseBlockModel;
+          const datasource =
+            new window.$blocksuite.blocks.database.DatabaseBlockDataSource(
+              model
+            );
+          return datasource.cellValueGet(rowId, dateColumnId);
+        }, ids)
+      )
+      .toBe(expectedDate);
+
+    const readonlyIds = await createCalendarDatabase(page, {
+      withDateColumn: true,
+      mapDateColumn: true,
+      readonly: true,
+    });
+    await waitNextFrame(page);
+    const readonlyCalendar = page.getByTestId('dv-calendar-view').last();
+    await expect(
+      readonlyCalendar
+        .locator('.calendar-entry')
+        .filter({ hasText: 'Task 1' })
+        .first()
+    ).toHaveAttribute('draggable', 'false');
+
+    await page.evaluate(() => {
+      window.doc.readonly = false;
+    });
+    expect(readonlyIds.databaseId).toBeTruthy();
+  }
+);
+
+test(
+  scoped`database calendar drags row range preserving duration`,
+  async ({ page }) => {
+    await enterPlaygroundRoom(page);
+    const ids = await createCalendarDatabase(page, {
+      withDateColumn: true,
+      withEndDateColumn: true,
+      mapDateColumn: true,
+    });
+    await waitNextFrame(page);
+
+    const entry = page
+      .locator('.calendar-entry.row')
+      .filter({ hasText: 'Task 1' })
+      .first();
+    const targetDay = page
+      .locator('.calendar-day')
+      .filter({ has: page.locator('.calendar-day-number', { hasText: '20' }) })
+      .first();
+    await entry.dragTo(targetDay);
+
+    const expectedStart = await page.evaluate(() =>
+      new Date('2026-05-20T00:00:00').getTime()
+    );
+    const expectedEnd = await page.evaluate(() =>
+      new Date('2026-05-22T00:00:00').getTime()
+    );
+    await expect
+      .poll(() =>
+        page.evaluate(
+          ({ databaseId, rowId, dateColumnId, endDateColumnId }) => {
+            if (!dateColumnId || !endDateColumnId) {
+              throw new Error('date columns are required');
+            }
+            const model = window.doc.getModelById(
+              databaseId
+            ) as DatabaseBlockModel;
+            const datasource =
+              new window.$blocksuite.blocks.database.DatabaseBlockDataSource(
+                model
+              );
+            return [
+              datasource.cellValueGet(rowId, dateColumnId),
+              datasource.cellValueGet(rowId, endDateColumnId),
+            ];
+          },
+          ids
+        )
+      )
+      .toEqual([expectedStart, expectedEnd]);
+  }
+);
+
+test(scoped`database calendar resizes row range end date`, async ({ page }) => {
+  await enterPlaygroundRoom(page);
+  const ids = await createCalendarDatabase(page, {
+    withDateColumn: true,
+    withEndDateColumn: true,
+    mapDateColumn: true,
+  });
+  await waitNextFrame(page);
+
+  const entry = page
+    .locator('.calendar-entry.row')
+    .filter({ hasText: 'Task 1' })
+    .filter({ has: page.locator('.calendar-resize-handle.right') })
+    .first();
+  await entry.hover();
+  const handle = entry.locator('.calendar-resize-handle.right');
+  const targetDay = page
+    .locator('.calendar-day')
+    .filter({ has: page.locator('.calendar-day-number', { hasText: '20' }) })
+    .first();
+  const handleBox = await handle.boundingBox();
+  const targetBox = await targetDay.boundingBox();
+  if (!handleBox || !targetBox) {
+    throw new Error('resize target is not visible');
+  }
+
+  await page.mouse.move(
+    handleBox.x + handleBox.width / 2,
+    handleBox.y + handleBox.height / 2
+  );
+  await page.mouse.down();
+  await page.mouse.move(targetBox.x + targetBox.width / 2, targetBox.y + 16);
+  await page.mouse.up();
+
+  const expectedEnd = await page.evaluate(() =>
+    new Date('2026-05-20T00:00:00').getTime()
+  );
+  await expect
+    .poll(() =>
+      page.evaluate(({ databaseId, rowId, endDateColumnId }) => {
+        if (!endDateColumnId) {
+          throw new Error('endDateColumnId is required');
+        }
+        const model = window.doc.getModelById(databaseId) as DatabaseBlockModel;
+        const datasource =
+          new window.$blocksuite.blocks.database.DatabaseBlockDataSource(model);
+        return datasource.cellValueGet(rowId, endDateColumnId);
+      }, ids)
+    )
+    .toBe(expectedEnd);
+});

tests/blocksuite/e2e/slash-menu.spec.ts

@@ -608,7 +608,7 @@ test.describe('slash search', () => {
     await expect(slashMenu).toBeVisible();
 
     await type(page, 'c');
-    await expect(slashItems).toHaveCount(11);
+    await expect(slashItems).toHaveCount(12);
     await expect(slashItems.nth(0).locator('.text')).toHaveText(['Copy']);
     await expect(slashItems.nth(1).locator('.text')).toHaveText(['Italic']);
     await expect(slashItems.nth(2).locator('.text')).toHaveText(['Callout']);
@@ -632,11 +632,14 @@ test.describe('slash search', () => {
 
     const slashItems = slashMenu.locator('icon-button');
     await type(page, 'database');
-    await expect(slashItems).toHaveCount(2);
+    await expect(slashItems).toHaveCount(3);
     await expect(slashItems.nth(0).locator('.text')).toHaveText(['Table View']);
     await expect(slashItems.nth(1).locator('.text')).toHaveText([
       'Kanban View',
     ]);
+    await expect(slashItems.nth(2).locator('.text')).toHaveText([
+      'Calendar View',
+    ]);
     await type(page, 'v');
     await expect(slashItems).toHaveCount(0);
   });

tools/utils/src/workspace.gen.ts

@@ -1302,6 +1302,7 @@ export const PackageList = [
       'blocksuite/affine/blocks/root',
       'blocksuite/affine/components',
       'blocksuite/affine/shared',
+      'blocksuite/affine/data-view',
       'blocksuite/framework/global',
       'blocksuite/framework/std',
       'packages/common/infra',

yarn.lock

@@ -390,6 +390,7 @@ __metadata:
     "@blocksuite/affine-components": "workspace:*"
     "@blocksuite/affine-ext-loader": "workspace:*"
     "@blocksuite/affine-shared": "workspace:*"
+    "@blocksuite/data-view": "workspace:*"
     "@blocksuite/global": "workspace:*"
     "@blocksuite/icons": "npm:^2.2.17"
     "@blocksuite/std": "workspace:*"