59 lines
1.3 KiB
TypeScript
59 lines
1.3 KiB
TypeScript
import Command from './command'
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import history from '../history'
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import { Data, Page } from 'types'
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import { v4 as uuid } from 'uuid'
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import { current } from 'immer'
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export default function createPage(data: Data) {
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const snapshot = getSnapshot(data)
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history.execute(
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data,
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new Command({
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name: 'change_page',
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category: 'canvas',
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do(data) {
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data.selectedIds.clear()
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const { page, pageState } = snapshot
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data.document.pages[page.id] = page
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data.pageStates[page.id] = pageState
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data.currentPageId = page.id
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},
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undo(data) {
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data.selectedIds.clear()
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const { page, currentPageId } = snapshot
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delete data.document.pages[page.id]
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delete data.pageStates[page.id]
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data.currentPageId = currentPageId
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},
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})
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)
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}
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function getSnapshot(data: Data) {
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const { currentPageId } = current(data)
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const pages = Object.values(data.document.pages)
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const unchanged = pages.filter((page) => page.name.startsWith('Page '))
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const id = uuid()
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const page: Page = {
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type: 'page',
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id,
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name: `Page ${unchanged.length + 1}`,
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childIndex: pages.length,
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shapes: {},
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}
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const pageState = {
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camera: {
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point: [0, 0],
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zoom: 1,
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},
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}
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return {
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currentPageId,
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page,
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pageState,
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}
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}
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