78 lines
2.2 KiB
TypeScript
78 lines
2.2 KiB
TypeScript
import { useCallback, useRef } from 'react'
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import state, { useSelector } from 'state'
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import inputs from 'state/inputs'
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import styled from 'styles'
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import { deepCompareArrays, getPage } from 'utils/utils'
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function handlePointerDown(e: React.PointerEvent<SVGRectElement>) {
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if (e.buttons !== 1) return
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if (!inputs.canAccept(e.pointerId)) return
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e.stopPropagation()
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e.currentTarget.setPointerCapture(e.pointerId)
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state.send('POINTED_BOUNDS', inputs.pointerDown(e, 'bounds'))
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}
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function handlePointerUp(e: React.PointerEvent<SVGRectElement>) {
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if (e.buttons !== 1) return
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if (!inputs.canAccept(e.pointerId)) return
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e.stopPropagation()
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e.currentTarget.releasePointerCapture(e.pointerId)
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state.send('STOPPED_POINTING', inputs.pointerUp(e))
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}
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export default function BoundsBg() {
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const rBounds = useRef<SVGRectElement>(null)
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const bounds = useSelector((state) => state.values.selectedBounds)
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const isSelecting = useSelector((s) => s.isIn('selecting'))
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const selectedIds = useSelector(
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(s) => Array.from(s.values.selectedIds.values()),
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deepCompareArrays
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)
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const rotation = useSelector((s) => {
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if (selectedIds.length === 1) {
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const { shapes } = getPage(s.data)
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const selected = Array.from(s.values.selectedIds.values())[0]
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return shapes[selected].rotation
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} else {
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return 0
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}
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})
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const isAllHandles = useSelector((s) => {
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const page = getPage(s.data)
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const selectedIds = Array.from(s.values.selectedIds.values())
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return (
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selectedIds.length === 1 &&
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page.shapes[selectedIds[0]]?.handles !== undefined
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)
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})
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if (isAllHandles) return null
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if (!bounds) return null
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if (!isSelecting) return null
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const { width, height } = bounds
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return (
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<StyledBoundsBg
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ref={rBounds}
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width={Math.max(1, width)}
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height={Math.max(1, height)}
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transform={`
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rotate(${rotation * (180 / Math.PI)},
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${(bounds.minX + bounds.maxX) / 2},
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${(bounds.minY + bounds.maxY) / 2})
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translate(${bounds.minX},${bounds.minY})`}
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onPointerDown={handlePointerDown}
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onPointerUp={handlePointerUp}
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/>
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)
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}
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const StyledBoundsBg = styled('rect', {
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fill: '$boundsBg',
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})
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