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