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0
Files
bot/apps/builder/components/board/graph/Edges/DrawingEdge.tsx
2022-01-12 09:10:59 +01:00

73 lines
2.2 KiB
TypeScript

import { useEventListener } from '@chakra-ui/hooks'
import { headerHeight } from 'components/shared/TypebotHeader/TypebotHeader'
import { useGraph, ConnectingIds } from 'contexts/GraphContext'
import { useTypebot } from 'contexts/TypebotContext/TypebotContext'
import { Target } from 'models'
import React, { useMemo, useState } from 'react'
import {
computeDrawingConnectedPath,
computeDrawingPathToMouse,
} from 'services/graph'
export const DrawingEdge = () => {
const { graphPosition, setConnectingIds, connectingIds } = useGraph()
const { typebot, updateStep, updateChoiceItem } = useTypebot()
const [mousePosition, setMousePosition] = useState({ x: 0, y: 0 })
const sourceBlock = useMemo(
() => connectingIds && typebot?.blocks.byId[connectingIds.source.blockId],
// eslint-disable-next-line react-hooks/exhaustive-deps
[connectingIds]
)
const path = useMemo(() => {
if (!sourceBlock || !typebot || !connectingIds) return ``
return connectingIds?.target
? computeDrawingConnectedPath(
connectingIds as Omit<ConnectingIds, 'target'> & { target: Target },
sourceBlock,
typebot
)
: computeDrawingPathToMouse(
sourceBlock,
connectingIds,
mousePosition,
typebot.steps
)
}, [sourceBlock, typebot, connectingIds, mousePosition])
const handleMouseMove = (e: MouseEvent) => {
setMousePosition({
x: e.clientX - graphPosition.x,
y: e.clientY - graphPosition.y - headerHeight,
})
}
useEventListener('mousemove', handleMouseMove)
useEventListener('mouseup', () => {
if (connectingIds?.target) createNewEdge(connectingIds)
setConnectingIds(null)
})
const createNewEdge = (connectingIds: ConnectingIds) =>
connectingIds.source.choiceItemId
? updateChoiceItem(connectingIds.source.choiceItemId, {
target: connectingIds.target,
})
: updateStep(connectingIds.source.stepId, {
target: connectingIds.target,
})
if ((mousePosition.x === 0 && mousePosition.y === 0) || !connectingIds)
return <></>
return (
<path
d={path}
stroke="#718096"
strokeWidth="2px"
markerEnd="url(#arrow)"
fill="none"
/>
)
}