tldraw/state/commands/generate.ts
2021-06-21 22:35:28 +01:00

72 lines
1.6 KiB
TypeScript

import Command from './command'
import history from '../history'
import { Data, Shape } from 'types'
import { current } from 'immer'
import { getPage, setSelectedIds } from 'utils/utils'
export default function generateCommand(
data: Data,
currentPageId: string,
generatedShapes: Shape[]
): void {
const cData = current(data)
const page = getPage(cData)
const currentShapes = page.shapes
const prevGeneratedShapes = Object.values(currentShapes).filter(
(shape) => shape.isGenerated
)
// Remove previous generated shapes
for (const id in currentShapes) {
if (currentShapes[id].isGenerated) {
delete currentShapes[id]
}
}
// Add new ones
for (const shape of generatedShapes) {
currentShapes[shape.id] = shape
}
history.execute(
data,
new Command({
name: 'generate_shapes',
category: 'canvas',
do(data) {
const { shapes } = getPage(data)
setSelectedIds(data, [])
// Remove previous generated shapes
for (const id in shapes) {
if (shapes[id].isGenerated) {
delete shapes[id]
}
}
// Add new generated shapes
for (const shape of generatedShapes) {
shapes[shape.id] = shape
}
},
undo(data) {
const { shapes } = getPage(data)
// Remove generated shapes
for (const id in shapes) {
if (shapes[id].isGenerated) {
delete shapes[id]
}
}
// Restore previous generated shapes
for (const shape of prevGeneratedShapes) {
shapes[shape.id] = shape
}
},
})
)
}