Files
zui/src/components/graph/AnimatedEdge.tsx
2026-03-08 09:37:05 +01:00

123 lines
3.0 KiB
TypeScript

import React, { useContext, useMemo } from 'react'
import {
BaseEdge,
getBezierPath,
type EdgeProps,
} from '@xyflow/react'
import FlowContext from '../../lib/flowContext'
const EDGE_STROKE_WIDTH = 2
const DOT_MARKER_R = 1.5
function getEdgeLabelByTargetType(targetType: string | undefined): string | undefined {
if (targetType === 'render') return 'render'
if (targetType === 'config') return 'add input'
return undefined
}
export function AnimatedEdge({
id,
sourceX,
sourceY,
targetX,
targetY,
sourcePosition,
targetPosition,
style,
label: labelProp,
interactionWidth,
target,
}: EdgeProps) {
const ctx = useContext(FlowContext)
const nodes = ctx?.nodes ?? []
const targetNode = useMemo(() => nodes.find((n: any) => n.id === target), [nodes, target])
const derivedLabel = useMemo(
() => getEdgeLabelByTargetType(targetNode?.type),
[targetNode?.type]
)
const label = labelProp ?? derivedLabel
const [edgePath, edgeLabelX, edgeLabelY] = getBezierPath({
sourceX,
sourceY,
targetX,
targetY,
sourcePosition,
targetPosition,
})
const startId = `animated-edge-dot-start-${id}`
const endId = `animated-edge-dot-end-${id}`
return (
<>
<defs>
<marker
id={startId}
markerWidth={DOT_MARKER_R * 2}
markerHeight={DOT_MARKER_R * 2}
refX={DOT_MARKER_R - 1}
refY={DOT_MARKER_R}
orient="auto"
>
<circle
r={DOT_MARKER_R}
cx={DOT_MARKER_R}
cy={DOT_MARKER_R}
className="fill-primary stroke-background"
strokeWidth={2}
/>
</marker>
<marker
id={endId}
markerWidth={DOT_MARKER_R * 2}
markerHeight={DOT_MARKER_R * 2}
refX={DOT_MARKER_R + 1}
refY={DOT_MARKER_R}
orient="auto"
>
<circle
r={DOT_MARKER_R}
cx={DOT_MARKER_R}
cy={DOT_MARKER_R}
className="fill-primary stroke-background"
strokeWidth={2}
/>
</marker>
</defs>
<BaseEdge
path={edgePath}
markerStart={`url(#${startId})`}
markerEnd={`url(#${endId})`}
style={{
strokeWidth: EDGE_STROKE_WIDTH,
...style,
}}
className="animated-edge-path"
interactionWidth={interactionWidth}
/>
{label != null && (
<g transform={`translate(${edgeLabelX}, ${edgeLabelY})`} className="nodrag nopan">
<rect
x={-32}
y={-9}
width={64}
height={18}
rx={4}
ry={4}
className="fill-background stroke-border"
strokeWidth={1}
/>
<text
textAnchor="middle"
dominantBaseline="middle"
className="fill-foreground text-[10px] font-medium"
>
{label}
</text>
</g>
)}
</>
)
}