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

95 lines
2.1 KiB
TypeScript

import React, { useState, useEffect, useCallback } from 'react';
import { ReactFlow, addEdge, Connection, Edge, Node, useNodesState, useEdgesState, MiniMap, Controls } from 'reactflow';
const initialNodes: Node[] = [
{
id: '1',
type: 'input',
hidden: true,
data: { label: 'Node 1' },
position: { x: 250, y: 5 },
},
{
id: '2',
hidden: true,
data: { label: 'Node 2' },
position: { x: 100, y: 100 },
},
{
id: '3',
hidden: true,
data: { label: 'Node 3' },
position: { x: 400, y: 100 },
},
{
id: '4',
hidden: true,
data: { label: 'Node 4' },
position: { x: 400, y: 200 },
},
];
const initialEdges: Edge[] = [
{ id: 'e1-2', source: '1', target: '2' },
{ id: 'e1-3', source: '1', target: '3' },
{ id: 'e3-4', source: '3', target: '4' },
];
const setHidden = (hidden: boolean) => (els: any[]) =>
els.map((e: any) => {
e.hidden = hidden;
return e;
});
const HiddenFlow = () => {
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
const [isHidden, setIsHidden] = useState<boolean>(true);
const onConnect = useCallback(
(connection: Connection) => {
setEdges((eds) => addEdge(connection, eds));
},
[setEdges]
);
useEffect(() => {
setNodes(setHidden(isHidden));
setEdges(setHidden(isHidden));
}, [isHidden, setEdges, setNodes]);
console.log(nodes);
return (
<ReactFlow
nodes={nodes}
edges={edges}
onConnect={onConnect}
onNodesChange={onNodesChange}
onEdgesChange={onEdgesChange}
>
<MiniMap />
<Controls />
<div style={{ position: 'absolute', left: 10, top: 10, zIndex: 4 }}>
<div>
<label htmlFor="ishidden">
isHidden
<input
id="ishidden"
type="checkbox"
checked={isHidden}
onChange={(event) => setIsHidden(event.target.checked)}
className="react-flow__ishidden"
/>
</label>
</div>
</div>
</ReactFlow>
);
};
export default HiddenFlow;