Custom Connectionline Source Code
ConnectionLine.js
import React from 'react';
export default ({
sourceX,
sourceY,
sourcePosition,
targetX,
targetY,
targetPosition,
connectionLineType,
connectionLineStyle,
}) => {
return (
<g>
<path
fill="none"
stroke="#222"
strokeWidth={1.5}
className="animated"
d={`M${sourceX},${sourceY} C ${sourceX} ${targetY} ${sourceX} ${targetY} ${targetX},${targetY}`}
/>
<circle cx={targetX} cy={targetY} fill="#fff" r={3} stroke="#222" strokeWidth={1.5} />
</g>
);
};
index.js
import React, { useState } from 'react';
import ReactFlow, {
removeElements,
addEdge,
Background,
} from 'react-flow-renderer';
import ConnectionLine from './ConnectionLine';
const initialElements = [
{
id: 'connectionline-1',
type: 'input',
data: { label: 'Node 1' },
position: { x: 250, y: 5 },
},
];
const ConnectionLineFlow = () => {
const [elements, setElements] = useState(initialElements);
const onElementsRemove = (elementsToRemove) =>
setElements((els) => removeElements(elementsToRemove, els));
const onConnect = (params) => setElements((els) => addEdge(params, els));
return (
<ReactFlow
elements={elements}
connectionLineComponent={ConnectionLine}
onElementsRemove={onElementsRemove}
onConnect={onConnect}
>
<Background variant="lines" />
</ReactFlow>
);
};
export default ConnectionLineFlow;