kopia lustrzana https://github.com/Tldraw/Tldraw
67 wiersze
1.8 KiB
TypeScript
67 wiersze
1.8 KiB
TypeScript
import { Data, Shape } 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 tld from 'utils/tld'
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import { getShapeUtils } from 'state/shape-utils'
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import { deepClone } from 'utils'
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export default class HandleSession extends BaseSession {
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delta = [0, 0]
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origin: number[]
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shiftKey: boolean
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initialShape: Shape
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handleId: string
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constructor(data: Data, shapeId: string, handleId: string, point: number[]) {
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super(data)
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this.origin = point
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this.handleId = handleId
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this.initialShape = deepClone(tld.getShape(data, shapeId))
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}
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update(
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data: Data,
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point: number[],
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shiftKey: boolean,
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altKey: boolean,
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metaKey: boolean
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): void {
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const shape = tld.getPage(data).shapes[this.initialShape.id]
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this.shiftKey = shiftKey
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const delta = vec.vec(this.origin, point)
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const handles = this.initialShape.handles
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getShapeUtils(shape).onHandleChange(
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shape,
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{
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[this.handleId]: {
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...handles[this.handleId],
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point: vec.round(vec.add(handles[this.handleId].point, delta)), // vec.rot(delta, shape.rotation)),
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},
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},
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{ delta, shiftKey, altKey, metaKey }
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)
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}
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cancel(data: Data): void {
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tld.getPage(data).shapes[this.initialShape.id] = this.initialShape
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}
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complete(data: Data): void {
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const before = this.initialShape
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const after = deepClone(tld.getShape(data, before.id))
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commands.mutate(data, [before], [after])
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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 getHandleSnapshot(data: Data, shapeId: string) {
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return deepClone(tld.getShape(data, shapeId))
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}
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export type HandleSnapshot = ReturnType<typeof getHandleSnapshot>
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