tldraw/state/commands/delete-selected.ts
2021-06-24 13:34:43 +01:00

90 lines
2.3 KiB
TypeScript

import Command from './command'
import history from '../history'
import { Data } from 'types'
import {
deepClone,
getDocumentBranch,
getPage,
getSelectedShapes,
setSelectedIds,
} from 'utils'
import { getShapeUtils } from 'state/shape-utils'
export default function deleteSelected(data: Data): void {
const selectedShapes = getSelectedShapes(data)
const selectedIdsArr = selectedShapes
.filter((shape) => !shape.isLocked)
.map((shape) => shape.id)
const page = getPage(data)
const childrenToDelete = selectedIdsArr
.flatMap((id) => getDocumentBranch(data, id))
.map((id) => deepClone(page.shapes[id]))
const remainingIds = selectedShapes
.filter((shape) => shape.isLocked)
.map((shape) => shape.id)
history.execute(
data,
new Command({
name: 'delete_selection',
category: 'canvas',
manualSelection: true,
do(data) {
const page = getPage(data)
for (const id of selectedIdsArr) {
const shape = page.shapes[id]
if (!shape) {
console.error('no shape ' + id)
continue
}
if (shape.parentId !== data.currentPageId) {
const parent = page.shapes[shape.parentId]
getShapeUtils(parent)
.setProperty(
parent,
'children',
parent.children.filter((childId) => childId !== shape.id)
)
.onChildrenChange(
parent,
parent.children.map((id) => page.shapes[id])
)
}
}
for (const shape of childrenToDelete) {
delete page.shapes[shape.id]
}
setSelectedIds(data, remainingIds)
},
undo(data) {
const page = getPage(data)
for (const shape of childrenToDelete) {
page.shapes[shape.id] = shape
}
for (const shape of childrenToDelete) {
if (shape.parentId !== data.currentPageId) {
const parent = page.shapes[shape.parentId]
getShapeUtils(parent)
.setProperty(parent, 'children', [...parent.children, shape.id])
.onChildrenChange(
parent,
parent.children.map((id) => page.shapes[id])
)
}
}
setSelectedIds(data, selectedIdsArr)
},
})
)
}