Files
xyflow/examples/nextjs/pages/MultiFlows/index.tsx
2022-08-29 10:35:25 +02:00

87 lines
1.6 KiB
TypeScript

import React, { FC } from 'react';
import {
ReactFlow,
Background,
addEdge,
Node,
Edge,
Connection,
ReactFlowProvider,
useNodesState,
useEdgesState,
MarkerType,
} from 'reactflow';
import styles from './multiflows.module.css';
const initialNodes: Node[] = [
{
id: '1',
type: 'input',
data: { label: 'Node 1' },
position: { x: 250, y: 5 },
className: 'light',
},
{
id: '2',
data: { label: 'Node 2' },
position: { x: 100, y: 100 },
className: 'light',
},
{
id: '3',
data: { label: 'Node 3' },
position: { x: 400, y: 100 },
className: 'light',
},
{
id: '4',
data: { label: 'Node 4' },
position: { x: 400, y: 200 },
className: 'light',
},
];
const initialEdges: Edge[] = [
{
id: 'e1-2',
source: '1',
target: '2',
animated: true,
markerEnd: { type: MarkerType.Arrow },
},
{ id: 'e1-3', source: '1', target: '3' },
];
const Flow: FC<{ id: string }> = ({ id }) => {
const [nodes, , onNodesChange] = useNodesState(initialNodes);
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
const onConnect = (params: Edge | Connection) => setEdges((eds) => addEdge(params, eds));
return (
<ReactFlowProvider>
<ReactFlow
nodes={nodes}
edges={edges}
onNodesChange={onNodesChange}
onEdgesChange={onEdgesChange}
onConnect={onConnect}
id={id}
>
<Background />
</ReactFlow>
</ReactFlowProvider>
);
};
const MultiFlows: FC = () => (
<div className={styles.multiflows}>
<Flow id="flow-a" />
<Flow id="flow-b" />
</div>
);
export default MultiFlows;