Skip to Content

Hidden

Nodes and edges can be hidden by using the hidden attribute. This can be used for implementing expandable/collapsible diagrams.

import React, { useCallback, useEffect, useState } from 'react'; import { Background, ReactFlow, useNodesState, useEdgesState, addEdge, MiniMap, Controls, } from '@xyflow/react'; import '@xyflow/react/dist/style.css'; const initialNodes = [ { id: 'hidden-1', type: 'input', data: { label: 'Node 1' }, position: { x: 250, y: 5 }, }, { id: 'hidden-2', data: { label: 'Node 2' }, position: { x: 100, y: 100 } }, { id: 'hidden-3', data: { label: 'Node 3' }, position: { x: 400, y: 100 } }, { id: 'hidden-4', data: { label: 'Node 4' }, position: { x: 400, y: 200 } }, ]; const initialEdges = [ { id: 'hidden-e1-2', source: 'hidden-1', target: 'hidden-2' }, { id: 'hidden-e1-3', source: 'hidden-1', target: 'hidden-3' }, { id: 'hidden-e3-4', source: 'hidden-3', target: 'hidden-4' }, ]; const hide = (hidden) => (nodeOrEdge) => { return { ...nodeOrEdge, hidden, }; }; const HiddenFlow = () => { const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes); const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges); const [hidden, setHidden] = useState(false); const onConnect = useCallback( (params) => setEdges((els) => addEdge(params, els)), [], ); useEffect(() => { setNodes((nds) => nds.map(hide(hidden))); setEdges((eds) => eds.map(hide(hidden))); }, [hidden]); return ( <ReactFlow nodes={nodes} edges={edges} onNodesChange={onNodesChange} onEdgesChange={onEdgesChange} onConnect={onConnect} fitView style={{ backgroundColor: "#F7F9FB" }} > <MiniMap /> <Controls /> <div className='isHidden__button'> <div> <label htmlFor="ishidden"> isHidden <input id="ishidden" type="checkbox" checked={hidden} onChange={(event) => setHidden(event.target.checked)} className="react-flow__ishidden" /> </label> </div> </div> <Background /> </ReactFlow> ); }; export default HiddenFlow;
Last updated on