109 lines
2.7 KiB
TypeScript
109 lines
2.7 KiB
TypeScript
import { Data, Edge, Corner } from 'types'
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import vec from 'utils/vec'
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import BaseSession from './base-session'
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import commands from 'state/commands'
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import { current } from 'immer'
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import { getShapeUtils } from 'state/shape-utils'
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import {
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getTransformedBoundingBox,
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getPage,
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getShape,
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getSelectedShapes,
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updateParents,
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} from 'utils'
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export default class TransformSingleSession extends BaseSession {
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transformType: Edge | Corner
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origin: number[]
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scaleX = 1
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scaleY = 1
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snapshot: TransformSingleSnapshot
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isCreating: boolean
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constructor(
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data: Data,
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transformType: Corner | Edge,
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point: number[],
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isCreating = false
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) {
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super(data)
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this.origin = point
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this.transformType = transformType
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this.snapshot = getTransformSingleSnapshot(data, transformType)
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this.isCreating = isCreating
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}
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update(data: Data, point: number[], isAspectRatioLocked = false): void {
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const { transformType } = this
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const { initialShapeBounds, currentPageId, initialShape, id } =
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this.snapshot
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const shape = getShape(data, id, currentPageId)
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const newBoundingBox = getTransformedBoundingBox(
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initialShapeBounds,
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transformType,
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vec.vec(this.origin, point),
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shape.rotation,
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isAspectRatioLocked || !getShapeUtils(initialShape).canChangeAspectRatio
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)
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this.scaleX = newBoundingBox.scaleX
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this.scaleY = newBoundingBox.scaleY
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getShapeUtils(shape).transformSingle(shape, newBoundingBox, {
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initialShape,
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type: this.transformType,
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scaleX: this.scaleX,
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scaleY: this.scaleY,
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transformOrigin: [0.5, 0.5],
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})
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data.document.pages[data.currentPageId].shapes[shape.id] = { ...shape }
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updateParents(data, [id])
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}
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cancel(data: Data): void {
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const { id, initialShape } = this.snapshot
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const page = getPage(data)
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page.shapes[id] = initialShape
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updateParents(data, [id])
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}
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complete(data: Data): void {
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if (!this.snapshot.hasUnlockedShape) return
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commands.transformSingle(
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data,
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this.snapshot,
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getTransformSingleSnapshot(data, this.transformType),
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this.isCreating
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)
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}
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}
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// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
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export function getTransformSingleSnapshot(
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data: Data,
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transformType: Edge | Corner
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) {
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const shape = getSelectedShapes(current(data))[0]
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const bounds = getShapeUtils(shape).getBounds(shape)
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return {
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id: shape.id,
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hasUnlockedShape: !shape.isLocked,
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currentPageId: data.currentPageId,
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type: transformType,
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initialShape: shape,
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initialShapeBounds: bounds,
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}
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}
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export type TransformSingleSnapshot = ReturnType<
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typeof getTransformSingleSnapshot
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>
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