mirror of
https://github.com/toeverything/AFFiNE.git
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84 lines
2.3 KiB
TypeScript
84 lines
2.3 KiB
TypeScript
import { Utils } from '@tldraw/core';
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import type {
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TldrawCommand,
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TDShape,
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} from '@toeverything/components/board-types';
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import { TLDR } from '@toeverything/components/board-state';
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import type { TldrawApp } from '@toeverything/components/board-state';
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const PI2 = Math.PI * 2;
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export function rotateShapes(
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app: TldrawApp,
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ids: string[],
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delta = -PI2 / 4
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): TldrawCommand | void {
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const { currentPageId } = app;
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// The shapes for the before patch
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const before: Record<string, Partial<TDShape>> = {};
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// The shapes for the after patch
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const after: Record<string, Partial<TDShape>> = {};
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// Find the shapes that we want to rotate.
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// We don't rotate groups: we rotate their children instead.
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const shapesToRotate = ids
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.flatMap(id => {
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const shape = app.getShape(id);
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return shape.children
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? shape.children.map(childId => app.getShape(childId))
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: shape;
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})
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.filter(shape => !shape.isLocked);
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// Find the common center to all shapes
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// This is the point that we'll rotate around
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const origin = Utils.getBoundsCenter(
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Utils.getCommonBounds(
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shapesToRotate.map(shape => TLDR.get_bounds(shape))
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)
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);
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// Find the rotate mutations for each shape
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shapesToRotate.forEach(shape => {
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const change = TLDR.get_rotated_shape_mutation(
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shape,
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TLDR.get_center(shape),
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origin,
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delta
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);
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if (!change) return;
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before[shape.id] = TLDR.get_before_shape(shape, change);
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after[shape.id] = change;
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});
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return {
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id: 'rotate',
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before: {
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document: {
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pages: {
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[currentPageId]: { shapes: before },
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},
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pageStates: {
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[currentPageId]: {
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selectedIds: ids,
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},
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},
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},
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},
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after: {
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document: {
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pages: {
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[currentPageId]: { shapes: after },
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},
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pageStates: {
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[currentPageId]: {
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selectedIds: ids,
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},
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},
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},
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},
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};
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}
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