chore(svelte-examples): pull out of lib package (#3363)
* chore(svelte-examples): pull out of lib package * chore(svelte-examples): cleanup * chore(examples): add readme files
This commit is contained in:
Moritz Klack
@@ -0,0 +1,320 @@
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import { useEffect, useState } from 'react';
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import { BrowserRouter, Route, Routes, useLocation, useNavigate } from 'react-router-dom';
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import Basic from '../examples/Basic';
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import Backgrounds from '../examples/Backgrounds';
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import ControlledUncontrolled from '../examples/ControlledUncontrolled';
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import CustomConnectionLine from '../examples/CustomConnectionLine';
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import CustomMiniMapNode from '../examples/CustomMiniMapNode';
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import CustomNode from '../examples/CustomNode';
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import DefaultNodes from '../examples/DefaultNodes';
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import DragHandle from '../examples/DragHandle';
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import DragNDrop from '../examples/DragNDrop';
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import EasyConnect from '../examples/EasyConnect';
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import Edges from '../examples/Edges';
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import EdgeRenderer from '../examples/EdgeRenderer';
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import EdgeTypes from '../examples/EdgeTypes';
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import Empty from '../examples/Empty';
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import Figma from '../examples/Figma';
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import FloatingEdges from '../examples/FloatingEdges';
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import Hidden from '../examples/Hidden';
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import Interaction from '../examples/Interaction';
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import Intersection from '../examples/Intersection';
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import Layouting from '../examples/Layouting';
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import MultiFlows from '../examples/MultiFlows';
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import NestedNodes from '../examples/NestedNodes';
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import NodeResizer from '../examples/NodeResizer';
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import NodeTypeChange from '../examples/NodeTypeChange';
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import NodeTypesObjectChange from '../examples/NodeTypesObjectChange';
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import Overview from '../examples/Overview';
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import Provider from '../examples/Provider';
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import SaveRestore from '../examples/SaveRestore';
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import Stress from '../examples/Stress';
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import Subflow from '../examples/Subflow';
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import SwitchFlow from '../examples/Switch';
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import TouchDevice from '../examples/TouchDevice';
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import Undirectional from '../examples/Undirectional';
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import UpdatableEdge from '../examples/UpdatableEdge';
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import UpdateNode from '../examples/UpdateNode';
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import UseUpdateNodeInternals from '../examples/UseUpdateNodeInternals';
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import UseReactFlow from '../examples/UseReactFlow';
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import Validation from '../examples/Validation';
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import UseKeyPress from '../examples/UseKeyPress';
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import EdgeRouting from '../examples/EdgeRouting';
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import CancelConnection from '../examples/CancelConnection';
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import InteractiveMinimap from '../examples/InteractiveMinimap';
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import UseOnSelectionChange from '../examples/UseOnSelectionChange';
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import NodeToolbar from '../examples/NodeToolbar';
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import useNodesInitialized from '../examples/UseNodesInit';
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interface IRoute {
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name: string;
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path: string;
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component: React.ComponentType;
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}
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const routes: IRoute[] = [
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{
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name: 'Basic',
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path: '/',
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component: Basic,
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},
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{
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name: 'Backgrounds',
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path: '/backgrounds',
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component: Backgrounds,
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},
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{
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name: 'Cancel Connection',
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path: '/cancel-connection',
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component: CancelConnection,
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},
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{
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name: 'Controlled/Uncontrolled',
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path: '/controlled-uncontrolled',
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component: ControlledUncontrolled,
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},
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{
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name: 'Custom Connection Line',
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path: '/custom-connectionline',
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component: CustomConnectionLine,
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},
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{
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name: 'Custom Minimap Node',
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path: '/custom-minimap-node',
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component: CustomMiniMapNode,
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},
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{
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name: 'Custom Node',
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path: '/custom-node',
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component: CustomNode,
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},
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{
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name: 'Default Nodes',
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path: '/default-nodes',
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component: DefaultNodes,
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},
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{
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name: 'Drag Handle',
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path: '/draghandle',
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component: DragHandle,
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},
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{
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name: 'Drag and Drop',
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path: '/dragndrop',
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component: DragNDrop,
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},
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{
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name: 'EasyConnect',
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path: '/easy-connect',
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component: EasyConnect,
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},
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{
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name: 'Edges',
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path: '/edges',
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component: Edges,
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},
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{
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name: 'Edge Renderer',
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path: '/edge-renderer',
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component: EdgeRenderer,
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},
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{
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name: 'Edge Types',
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path: '/edge-types',
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component: EdgeTypes,
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},
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{
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name: 'Edge Routing',
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path: '/edge-routing',
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component: EdgeRouting,
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},
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{
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name: 'Empty',
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path: '/empty',
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component: Empty,
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},
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{
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name: 'Figma',
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path: '/figma',
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component: Figma,
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},
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{
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name: 'Floating Edges',
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path: '/floating-edges',
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component: FloatingEdges,
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},
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{
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name: 'Hidden',
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path: '/hidden',
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component: Hidden,
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},
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{
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name: 'Interaction',
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path: '/interaction',
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component: Interaction,
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},
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{
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name: 'Intersection',
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path: '/intersection',
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component: Intersection,
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},
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{
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name: 'Interactive Minimap',
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path: '/interactive-minimap',
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component: InteractiveMinimap,
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},
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{
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name: 'Layouting',
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path: '/layouting',
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component: Layouting,
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},
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{
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name: 'Multi Flows',
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path: '/multiflows',
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component: MultiFlows,
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},
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{
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name: 'Nested Nodes',
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path: '/nested-nodes',
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component: NestedNodes,
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},
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{
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name: 'Node Type Change',
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path: '/nodetype-change',
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component: NodeTypeChange,
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},
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{
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name: 'nodeTypes Object Change',
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path: '/nodetypesobject-change',
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component: NodeTypesObjectChange,
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},
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{
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name: 'NodeToolbar',
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path: '/node-toolbar',
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component: NodeToolbar,
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},
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{
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name: 'NodeResizer',
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path: '/node-resizer',
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component: NodeResizer,
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},
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{
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name: 'Overview',
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path: '/overview',
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component: Overview,
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},
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{
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name: 'Provider',
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path: '/provider',
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component: Provider,
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},
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{
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name: 'Save/Restore',
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path: '/save-restore',
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component: SaveRestore,
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},
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{
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name: 'Stress',
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path: '/stress',
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component: Stress,
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},
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{
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name: 'Subflow',
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path: '/subflow',
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component: Subflow,
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},
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{
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name: 'Switch Flow',
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path: '/switch',
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component: SwitchFlow,
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},
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{
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name: 'Touch Device',
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path: '/touch-device',
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component: TouchDevice,
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},
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{
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name: 'Undirectional',
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path: '/undirectional',
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component: Undirectional,
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},
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{
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name: 'Updatable Edge',
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path: '/updatable-edge',
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component: UpdatableEdge,
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},
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{
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name: 'Update Node',
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path: '/update-node',
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component: UpdateNode,
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},
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{
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name: 'useNodesInitialized',
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path: '/use-nodes-initialized',
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component: useNodesInitialized,
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},
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{
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name: 'useOnSelectionChange',
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path: '/use-on-selection-change',
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component: UseOnSelectionChange,
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},
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{
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name: 'useReactFlow',
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path: '/usereactflow',
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component: UseReactFlow,
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},
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{
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name: 'useUpdateNodeInternals',
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path: '/useupdatenodeinternals',
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component: UseUpdateNodeInternals,
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},
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{
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name: 'Validation',
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path: '/validation',
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component: Validation,
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},
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{
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name: 'useKeyPress',
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path: '/use-key-press',
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component: UseKeyPress,
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},
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];
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const Header = () => {
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const location = useLocation();
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const navigate = useNavigate();
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const [currentPath, setCurrentPath] = useState(location.pathname);
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useEffect(() => {
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const name = routes.find((route) => route.path === currentPath)?.name;
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document.title = `React Flow Examples${name ? ' - ' + name : ''}`;
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navigate(currentPath);
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}, [currentPath]);
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return (
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<header>
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<a className="logo" href="https://github.com/wbkd/react-flow">
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React Flow Dev
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</a>
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<select value={currentPath} onChange={(event) => setCurrentPath(event.target.value)}>
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{routes.map((route) => (
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<option value={route.path} key={route.path}>
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{route.name}
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</option>
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))}
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</select>
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</header>
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);
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};
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export default () => (
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<BrowserRouter>
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<Header />
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<Routes>
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{routes.map((route) => (
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<Route path={route.path} key={route.path} element={<route.component />} />
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))}
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</Routes>
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</BrowserRouter>
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);
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@@ -0,0 +1,52 @@
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import { FC } from 'react';
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import {
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ReactFlow,
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Node,
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ReactFlowProvider,
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useNodesState,
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Background,
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BackgroundProps,
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BackgroundVariant,
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} from '@xyflow/react';
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import styles from './style.module.css';
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const initialNodes: Node[] = [
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{
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id: '1',
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data: { label: 'Node 1' },
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position: { x: 50, y: 50 },
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},
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];
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const Flow: FC<{ id: string; bgProps: BackgroundProps[] }> = ({ id, bgProps }) => {
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const [nodes, , onNodesChange] = useNodesState(initialNodes);
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return (
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<ReactFlowProvider>
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<ReactFlow nodes={nodes} onNodesChange={onNodesChange} id={id}>
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{bgProps.map((props, idx) => (
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<Background key={idx} id={idx.toString()} {...props} />
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))}
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</ReactFlow>
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</ReactFlowProvider>
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);
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};
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const Backgrounds: FC = () => (
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<div className={styles.wrapper}>
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<Flow id="flow-a" bgProps={[{ variant: BackgroundVariant.Dots }]} />
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<Flow id="flow-b" bgProps={[{ variant: BackgroundVariant.Lines, gap: [50, 50] }]} />
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<Flow id="flow-c" bgProps={[{ variant: BackgroundVariant.Cross, gap: [100, 50] }]} />
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<Flow
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id="flow-d"
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bgProps={[
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{ variant: BackgroundVariant.Lines, gap: 10 },
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{ variant: BackgroundVariant.Lines, gap: 100, offset: 2, color: '#ccc' },
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]}
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/>
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</div>
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);
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export default Backgrounds;
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@@ -0,0 +1,13 @@
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.wrapper {
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display: flex;
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height: 100%;
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}
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.wrapper :global .react-flow {
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width: 100%;
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height: 100%;
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}
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.wrapper :global .react-flow {
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border-right: 1px solid #ddd;
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}
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@@ -0,0 +1,119 @@
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import { MouseEvent } from 'react';
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import {
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ReactFlow,
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MiniMap,
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Background,
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BackgroundVariant,
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Controls,
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ReactFlowProvider,
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Node,
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Edge,
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useReactFlow,
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Panel,
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} from '@xyflow/react';
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const onNodeDrag = (_: MouseEvent, node: Node) => console.log('drag', node);
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const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
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const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
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|
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const initialNodes: Node[] = [
|
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{
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id: '1',
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type: 'input',
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data: { label: 'Node 1' },
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position: { x: 250, y: 5 },
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className: 'light',
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||||
},
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{
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id: '2',
|
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data: { label: 'Node 2' },
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position: { x: 100, y: 100 },
|
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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 },
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
];
|
||||
|
||||
const defaultEdgeOptions = {};
|
||||
|
||||
const BasicFlow = () => {
|
||||
const instance = useReactFlow();
|
||||
|
||||
const updatePos = () => {
|
||||
instance.setNodes((nodes) =>
|
||||
nodes.map((node) => {
|
||||
node.position = {
|
||||
x: Math.random() * 400,
|
||||
y: Math.random() * 400,
|
||||
};
|
||||
|
||||
return node;
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
const logToObject = () => console.log(instance.toObject());
|
||||
const resetTransform = () => instance.setViewport({ x: 0, y: 0, zoom: 1 });
|
||||
|
||||
const toggleClassnames = () => {
|
||||
instance.setNodes((nodes) =>
|
||||
nodes.map((node) => {
|
||||
node.className = node.className === 'light' ? 'dark' : 'light';
|
||||
|
||||
return node;
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
defaultNodes={initialNodes}
|
||||
defaultEdges={initialEdges}
|
||||
onNodeClick={onNodeClick}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
onNodeDrag={onNodeDrag}
|
||||
className="react-flow-basic-example"
|
||||
minZoom={0.2}
|
||||
maxZoom={4}
|
||||
fitView
|
||||
defaultEdgeOptions={defaultEdgeOptions}
|
||||
selectNodesOnDrag={false}
|
||||
elevateEdgesOnSelect
|
||||
elevateNodesOnSelect={false}
|
||||
>
|
||||
<Background variant={BackgroundVariant.Dots} />
|
||||
<MiniMap />
|
||||
<Controls />
|
||||
|
||||
<Panel position="top-right">
|
||||
<button onClick={resetTransform}>reset transform</button>
|
||||
<button onClick={updatePos}>change pos</button>
|
||||
<button onClick={toggleClassnames}>toggle classnames</button>
|
||||
<button onClick={logToObject}>toObject</button>
|
||||
</Panel>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default function App() {
|
||||
return (
|
||||
<ReactFlowProvider>
|
||||
<BasicFlow />
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,31 @@
|
||||
.Timer {
|
||||
position: absolute;
|
||||
bottom: 0;
|
||||
transition-duration: 0.3s;
|
||||
left: 50%;
|
||||
transform: translate(-50%, 100%);
|
||||
font-size: 1.5rem;
|
||||
z-index: 999;
|
||||
background: linear-gradient(#fff, #fff, #f5f5f5);
|
||||
padding: 0.8rem 1.5rem;
|
||||
border-radius: 5px;
|
||||
border: 1px solid #ccc;
|
||||
box-shadow: 0 0 5px 0 rgba(0, 0, 0, 0.2);
|
||||
}
|
||||
|
||||
.Timer.show {
|
||||
transform: translate(-50%, 0%) translateY(-15px);
|
||||
}
|
||||
|
||||
.progress {
|
||||
display: none;
|
||||
position: absolute;
|
||||
bottom: 0;
|
||||
left: 0;
|
||||
height: 5px;
|
||||
background: linear-gradient(to right, #42df96, #16dfed);
|
||||
}
|
||||
|
||||
.Timer.show .progress {
|
||||
display: block;
|
||||
}
|
||||
@@ -0,0 +1,28 @@
|
||||
import cc from 'classcat';
|
||||
import styles from './Timer.module.css';
|
||||
|
||||
interface Props {
|
||||
duration: number;
|
||||
remaining: number;
|
||||
show: boolean;
|
||||
}
|
||||
|
||||
export default function Timer({
|
||||
duration,
|
||||
remaining,
|
||||
show,
|
||||
}: Props) {
|
||||
const percentage = 100 - (remaining / duration) * 100;
|
||||
|
||||
return (
|
||||
<div className={cc({
|
||||
[styles.Timer]: true,
|
||||
[styles.show]: show,
|
||||
})}>
|
||||
<div className={styles.progress} style={{
|
||||
width: `${percentage}%`,
|
||||
}} />
|
||||
Connection will be canceled in {remaining} seconds
|
||||
</div>
|
||||
)
|
||||
}
|
||||
@@ -0,0 +1,34 @@
|
||||
import { Edge, Node } from '@xyflow/react';
|
||||
|
||||
export 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',
|
||||
},
|
||||
];
|
||||
|
||||
export const initialEdges: Edge[] = [
|
||||
{ id: 'e1-2', source: '1', target: '2', animated: true },
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
];
|
||||
@@ -0,0 +1,35 @@
|
||||
import { useRef, useState } from 'react';
|
||||
|
||||
const useCountdown = (callback: () => void) => {
|
||||
const interval = useRef<NodeJS.Timer>();
|
||||
const [remaining, setRemaining] = useState(0);
|
||||
|
||||
const start = (duration: number) => {
|
||||
setRemaining(duration);
|
||||
|
||||
interval.current = setInterval(() => {
|
||||
setRemaining((prev) => {
|
||||
if (prev === 1) {
|
||||
clearInterval(interval.current);
|
||||
callback();
|
||||
}
|
||||
|
||||
return prev - 1;
|
||||
});
|
||||
}, 1000);
|
||||
};
|
||||
|
||||
const stop = () => {
|
||||
clearInterval(interval.current);
|
||||
setRemaining(0);
|
||||
};
|
||||
|
||||
return {
|
||||
start,
|
||||
remaining,
|
||||
stop,
|
||||
counting: remaining > 0,
|
||||
};
|
||||
};
|
||||
|
||||
export default useCountdown;
|
||||
@@ -0,0 +1,59 @@
|
||||
import {
|
||||
ReactFlow,
|
||||
Background,
|
||||
MiniMap,
|
||||
addEdge,
|
||||
ReactFlowProvider,
|
||||
Connection,
|
||||
Edge,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
OnConnectStart,
|
||||
OnConnectEnd,
|
||||
useStore,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import useCountdown from './hooks/useCountdown';
|
||||
import { initialEdges, initialNodes } from './data';
|
||||
import Timer from './Timer';
|
||||
|
||||
const CANCEL_AFTER = 5; // seconds
|
||||
|
||||
const CancelConnection = () => {
|
||||
const [nodes, _, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const cancelConnection = useStore((state) => state.cancelConnection);
|
||||
|
||||
// Cancels connection after 5 seconds
|
||||
const countdown = useCountdown(() => cancelConnection());
|
||||
const onConnectStart: OnConnectStart = () => countdown.start(CANCEL_AFTER);
|
||||
const onConnectEnd: OnConnectEnd = () => countdown.stop();
|
||||
|
||||
const onConnect = (params: Connection | Edge) => setEdges((eds) => addEdge(params, eds));
|
||||
|
||||
return (
|
||||
<>
|
||||
<Timer duration={CANCEL_AFTER} show={countdown.counting} remaining={countdown.remaining} />
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onConnectStart={onConnectStart}
|
||||
onConnectEnd={onConnectEnd}
|
||||
onConnect={onConnect}
|
||||
fitView
|
||||
maxZoom={2}
|
||||
>
|
||||
<Background />
|
||||
<MiniMap />
|
||||
</ReactFlow>
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default () => (
|
||||
<ReactFlowProvider>
|
||||
<CancelConnection />
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
@@ -0,0 +1,120 @@
|
||||
import {
|
||||
ReactFlow,
|
||||
useReactFlow,
|
||||
Node,
|
||||
Edge,
|
||||
ReactFlowProvider,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
Background,
|
||||
BackgroundVariant,
|
||||
} from '@xyflow/react';
|
||||
|
||||
const defaultNodes: 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 defaultEdges: Edge[] = [
|
||||
{ id: 'e1-2', source: '1', target: '2' },
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
];
|
||||
|
||||
const defaultEdgeOptions = {
|
||||
animated: true,
|
||||
};
|
||||
|
||||
// This is bad practise. You should either use a controlled or an uncontrolled component.
|
||||
// This is just an example for testing the API.
|
||||
const ControlledUncontrolled = () => {
|
||||
const [nodes, , onNodesChange] = useNodesState(defaultNodes);
|
||||
const [edges, , onEdgesChange] = useEdgesState(defaultEdges);
|
||||
const instance = useReactFlow();
|
||||
|
||||
const logToObject = () => console.log(instance.toObject());
|
||||
const resetTransform = () => instance.setViewport({ x: 0, y: 0, zoom: 1 });
|
||||
|
||||
const updateNodePositions = () => {
|
||||
instance.setNodes((nodes) =>
|
||||
nodes.map((node) => {
|
||||
node.position = {
|
||||
x: Math.random() * 400,
|
||||
y: Math.random() * 400,
|
||||
};
|
||||
|
||||
return node;
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
const updateEdgeColors = () => {
|
||||
instance.setEdges((edges) =>
|
||||
edges.map((edge) => {
|
||||
edge.style = {
|
||||
stroke: '#ff5050',
|
||||
};
|
||||
|
||||
return edge;
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
defaultNodes={defaultNodes}
|
||||
defaultEdges={defaultEdges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
defaultEdgeOptions={defaultEdgeOptions}
|
||||
fitView
|
||||
>
|
||||
<Background variant={BackgroundVariant.Lines} />
|
||||
|
||||
<div style={{ position: 'absolute', right: 10, top: 10, zIndex: 4 }}>
|
||||
<button onClick={resetTransform} style={{ marginRight: 5 }}>
|
||||
reset transform
|
||||
</button>
|
||||
<button onClick={updateNodePositions} style={{ marginRight: 5 }}>
|
||||
change pos
|
||||
</button>
|
||||
<button onClick={updateEdgeColors} style={{ marginRight: 5 }}>
|
||||
red edges
|
||||
</button>
|
||||
<button onClick={logToObject}>toObject</button>
|
||||
</div>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default function App() {
|
||||
return (
|
||||
<ReactFlowProvider>
|
||||
<ControlledUncontrolled />
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,18 @@
|
||||
import { ConnectionLineComponentProps } from '@xyflow/react';
|
||||
|
||||
function ConnectionLine({ fromX, fromY, toX, toY }: ConnectionLineComponentProps) {
|
||||
return (
|
||||
<>
|
||||
<path
|
||||
fill="none"
|
||||
stroke="#222"
|
||||
strokeWidth={1.5}
|
||||
className="animated"
|
||||
d={`M${fromX},${fromY} C ${fromX} ${toY} ${fromX} ${toY} ${toX},${toY}`}
|
||||
/>
|
||||
<circle cx={toX} cy={toY} fill="#fff" r={3} stroke="#222" strokeWidth={1.5} />
|
||||
</>
|
||||
);
|
||||
}
|
||||
|
||||
export default ConnectionLine;
|
||||
@@ -0,0 +1,45 @@
|
||||
import { useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
Node,
|
||||
addEdge,
|
||||
Connection,
|
||||
Edge,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
Background,
|
||||
BackgroundVariant,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import ConnectionLine from './ConnectionLine';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'default',
|
||||
data: { label: 'Node 1' },
|
||||
position: { x: 250, y: 5 },
|
||||
},
|
||||
];
|
||||
const initialEdges: Edge[] = [];
|
||||
|
||||
const ConnectionLineFlow = () => {
|
||||
const [nodes, , onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = useCallback((params: Connection | Edge) => setEdges((eds) => addEdge(params, eds)), [setEdges]);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
connectionLineComponent={ConnectionLine}
|
||||
onConnect={onConnect}
|
||||
>
|
||||
<Background variant={BackgroundVariant.Lines} />
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default ConnectionLineFlow;
|
||||
@@ -0,0 +1,75 @@
|
||||
import { MouseEvent, CSSProperties, useCallback } from 'react';
|
||||
|
||||
import {
|
||||
ReactFlow,
|
||||
addEdge,
|
||||
Background,
|
||||
BackgroundVariant,
|
||||
Connection,
|
||||
Controls,
|
||||
Edge,
|
||||
MiniMap,
|
||||
MiniMapNodeProps,
|
||||
Node,
|
||||
ReactFlowInstance,
|
||||
useEdgesState,
|
||||
useNodesState,
|
||||
} from '@xyflow/react';
|
||||
|
||||
const onInit = (reactFlowInstance: ReactFlowInstance) => console.log('flow loaded:', reactFlowInstance);
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
|
||||
|
||||
const buttonStyle: CSSProperties = {
|
||||
position: 'absolute',
|
||||
left: 10,
|
||||
top: 10,
|
||||
zIndex: 4,
|
||||
};
|
||||
|
||||
const CustomMiniMapNode = ({ x, y, width, height, color }: MiniMapNodeProps) => (
|
||||
<circle cx={x} cy={y} r={Math.max(width, height) / 2} fill={color} />
|
||||
);
|
||||
|
||||
const CustomMiniMapNodeFlow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState([]);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState([]);
|
||||
|
||||
const onConnect = useCallback((params: Connection | Edge) => setEdges((els) => addEdge(params, els)), [setEdges]);
|
||||
const addRandomNode = () => {
|
||||
const nodeId = (nodes.length + 1).toString();
|
||||
const newNode: Node = {
|
||||
id: nodeId,
|
||||
data: { label: `Node: ${nodeId}` },
|
||||
position: {
|
||||
x: Math.random() * window.innerWidth,
|
||||
y: Math.random() * window.innerHeight,
|
||||
},
|
||||
};
|
||||
setNodes((nds) => nds.concat(newNode));
|
||||
};
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onInit={onInit}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onConnect={(p) => onConnect(p)}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
onlyRenderVisibleElements={false}
|
||||
>
|
||||
<Controls />
|
||||
<Background variant={BackgroundVariant.Lines} />
|
||||
<MiniMap nodeComponent={CustomMiniMapNode} />
|
||||
|
||||
<button type="button" onClick={addRandomNode} style={buttonStyle}>
|
||||
add node
|
||||
</button>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default CustomMiniMapNodeFlow;
|
||||
@@ -0,0 +1,47 @@
|
||||
import React, { memo, FC, CSSProperties, useCallback } from 'react';
|
||||
import { Handle, Position, NodeProps, Connection, Edge, useOnViewportChange, Viewport } from '@xyflow/react';
|
||||
|
||||
const targetHandleStyle: CSSProperties = { background: '#555' };
|
||||
const sourceHandleStyleA: CSSProperties = { ...targetHandleStyle, top: 10 };
|
||||
const sourceHandleStyleB: CSSProperties = {
|
||||
...targetHandleStyle,
|
||||
bottom: 10,
|
||||
top: 'auto',
|
||||
};
|
||||
|
||||
const onConnect = (params: Connection | Edge) => console.log('handle onConnect', params);
|
||||
|
||||
const ColorSelectorNode: FC<NodeProps> = ({ data, isConnectable }) => {
|
||||
const onStart = useCallback((viewport: Viewport) => console.log('onStart', viewport), []);
|
||||
const onChange = useCallback((viewport: Viewport) => console.log('onChange', viewport), []);
|
||||
const onEnd = useCallback((viewport: Viewport) => console.log('onEnd', viewport), []);
|
||||
|
||||
useOnViewportChange({
|
||||
onStart,
|
||||
onChange,
|
||||
onEnd,
|
||||
});
|
||||
|
||||
return (
|
||||
<>
|
||||
<Handle type="target" position={Position.Left} style={targetHandleStyle} onConnect={onConnect} />
|
||||
<div>
|
||||
Custom Color Picker Node: <strong>{data.color}</strong>
|
||||
</div>
|
||||
<input className="nodrag" type="color" onChange={data.onChange} defaultValue={data.color} />
|
||||
<Handle
|
||||
type="source"
|
||||
position={Position.Right}
|
||||
id="a"
|
||||
style={sourceHandleStyleA}
|
||||
isConnectable={isConnectable}
|
||||
onMouseDown={(e) => {
|
||||
console.log('You trigger mousedown event', e);
|
||||
}}
|
||||
/>
|
||||
<Handle type="source" position={Position.Right} id="b" style={sourceHandleStyleB} isConnectable={isConnectable} />
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(ColorSelectorNode);
|
||||
@@ -0,0 +1,166 @@
|
||||
import { useState, useEffect, MouseEvent, ChangeEvent, useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
MiniMap,
|
||||
Controls,
|
||||
addEdge,
|
||||
Node,
|
||||
ReactFlowInstance,
|
||||
Position,
|
||||
SnapGrid,
|
||||
Connection,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
Background,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import ColorSelectorNode from './ColorSelectorNode';
|
||||
|
||||
const onInit = (reactFlowInstance: ReactFlowInstance) => {
|
||||
console.log('flow loaded:', reactFlowInstance);
|
||||
};
|
||||
|
||||
const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
|
||||
const initBgColor = '#1A192B';
|
||||
|
||||
const connectionLineStyle = { stroke: '#fff' };
|
||||
const snapGrid: SnapGrid = [16, 16];
|
||||
|
||||
const nodeTypes = {
|
||||
selectorNode: ColorSelectorNode,
|
||||
};
|
||||
|
||||
const CustomNodeFlow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState([]);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState([]);
|
||||
|
||||
const [bgColor, setBgColor] = useState<string>(initBgColor);
|
||||
|
||||
useEffect(() => {
|
||||
const onChange = (event: ChangeEvent<HTMLInputElement>) => {
|
||||
setNodes((nds) =>
|
||||
nds.map((node) => {
|
||||
if (node.id !== '2') {
|
||||
return node;
|
||||
}
|
||||
|
||||
const color = event.target.value;
|
||||
|
||||
setBgColor(color);
|
||||
|
||||
return {
|
||||
...node,
|
||||
data: {
|
||||
...node.data,
|
||||
color,
|
||||
},
|
||||
};
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
setNodes([
|
||||
{
|
||||
id: '1',
|
||||
type: 'input',
|
||||
data: { label: 'An input node' },
|
||||
position: { x: 0, y: 50 },
|
||||
sourcePosition: Position.Right,
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
type: 'selectorNode',
|
||||
data: { onChange: onChange, color: initBgColor },
|
||||
style: { border: '1px solid #777', padding: 10 },
|
||||
position: { x: 250, y: 50 },
|
||||
},
|
||||
{
|
||||
id: '3',
|
||||
type: 'output',
|
||||
data: { label: 'Output A' },
|
||||
position: { x: 550, y: 25 },
|
||||
targetPosition: Position.Left,
|
||||
},
|
||||
{
|
||||
id: '4',
|
||||
type: 'output',
|
||||
data: { label: 'Output B' },
|
||||
position: { x: 550, y: 100 },
|
||||
targetPosition: Position.Left,
|
||||
},
|
||||
]);
|
||||
|
||||
setEdges([
|
||||
{
|
||||
id: 'e1-2',
|
||||
source: '1',
|
||||
target: '2',
|
||||
animated: true,
|
||||
style: { stroke: '#fff' },
|
||||
},
|
||||
{
|
||||
id: 'e2a-3',
|
||||
source: '2',
|
||||
sourceHandle: 'a',
|
||||
target: '3',
|
||||
animated: true,
|
||||
style: { stroke: '#fff' },
|
||||
},
|
||||
{
|
||||
id: 'e2b-4',
|
||||
source: '2',
|
||||
sourceHandle: 'b',
|
||||
target: '4',
|
||||
animated: true,
|
||||
style: { stroke: '#fff' },
|
||||
},
|
||||
]);
|
||||
}, []);
|
||||
|
||||
const onConnect = useCallback(
|
||||
(connection: Connection) =>
|
||||
setEdges((eds) => addEdge({ ...connection, animated: true, style: { stroke: '#fff' } }, eds)),
|
||||
[setEdges]
|
||||
);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onConnect={onConnect}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
onInit={onInit}
|
||||
nodeTypes={nodeTypes}
|
||||
connectionLineStyle={connectionLineStyle}
|
||||
snapToGrid={true}
|
||||
snapGrid={snapGrid}
|
||||
fitView
|
||||
minZoom={0.3}
|
||||
maxZoom={2}
|
||||
>
|
||||
<MiniMap
|
||||
nodeStrokeColor={(n: Node): string => {
|
||||
if (n.type === 'input') return '#0041d0';
|
||||
if (n.type === 'selectorNode') return bgColor;
|
||||
if (n.type === 'output') return '#ff0072';
|
||||
|
||||
return '#eee';
|
||||
}}
|
||||
nodeColor={(n: Node): string => {
|
||||
if (n.type === 'selectorNode') return bgColor;
|
||||
|
||||
return '#fff';
|
||||
}}
|
||||
/>
|
||||
<Controls />
|
||||
<Background bgColor={bgColor} />
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default CustomNodeFlow;
|
||||
@@ -0,0 +1,100 @@
|
||||
import {
|
||||
ReactFlow,
|
||||
useReactFlow,
|
||||
Node,
|
||||
Edge,
|
||||
ReactFlowProvider,
|
||||
Background,
|
||||
BackgroundVariant,
|
||||
Panel,
|
||||
} from '@xyflow/react';
|
||||
|
||||
const defaultNodes: 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 defaultEdges: Edge[] = [
|
||||
{ id: 'e1-2', source: '1', target: '2' },
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
];
|
||||
|
||||
const defaultEdgeOptions = {
|
||||
animated: true,
|
||||
};
|
||||
|
||||
const DefaultNodes = () => {
|
||||
const instance = useReactFlow();
|
||||
|
||||
const logToObject = () => console.log(instance.toObject());
|
||||
const resetTransform = () => instance.setViewport({ x: 0, y: 0, zoom: 1 });
|
||||
|
||||
const updateNodePositions = () => {
|
||||
instance.setNodes((nodes) =>
|
||||
nodes.map((node) => {
|
||||
node.position = {
|
||||
x: Math.random() * 400,
|
||||
y: Math.random() * 400,
|
||||
};
|
||||
|
||||
return node;
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
const updateEdgeColors = () => {
|
||||
instance.setEdges((edges) =>
|
||||
edges.map((edge) => {
|
||||
edge.style = {
|
||||
stroke: '#ff5050',
|
||||
};
|
||||
|
||||
return edge;
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
return (
|
||||
<ReactFlow defaultNodes={defaultNodes} defaultEdges={defaultEdges} defaultEdgeOptions={defaultEdgeOptions} fitView>
|
||||
<Background variant={BackgroundVariant.Lines} />
|
||||
|
||||
<Panel position="top-right">
|
||||
<button onClick={resetTransform}>reset transform</button>
|
||||
<button onClick={updateNodePositions}>change pos</button>
|
||||
<button onClick={updateEdgeColors}>red edges</button>
|
||||
<button onClick={logToObject}>toObject</button>
|
||||
</Panel>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default function App() {
|
||||
return (
|
||||
<ReactFlowProvider>
|
||||
<DefaultNodes />
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,32 @@
|
||||
import { memo, FC } from 'react';
|
||||
import { Handle, Position, NodeProps, Connection, Edge } from '@xyflow/react';
|
||||
|
||||
const onConnect = (params: Connection | Edge) => console.log('handle onConnect', params);
|
||||
|
||||
const labelStyle = {
|
||||
display: 'flex',
|
||||
alignItems: 'center',
|
||||
};
|
||||
|
||||
const dragHandleStyle = {
|
||||
display: 'inline-block',
|
||||
width: 25,
|
||||
height: 25,
|
||||
backgroundColor: 'teal',
|
||||
marginLeft: 5,
|
||||
borderRadius: '50%',
|
||||
};
|
||||
|
||||
const ColorSelectorNode: FC<NodeProps> = () => {
|
||||
return (
|
||||
<>
|
||||
<Handle type="target" position={Position.Left} onConnect={onConnect} />
|
||||
<div style={labelStyle}>
|
||||
Only draggable here → <span className="custom-drag-handle" style={dragHandleStyle} />
|
||||
</div>
|
||||
<Handle type="source" position={Position.Right} />
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(ColorSelectorNode);
|
||||
@@ -0,0 +1,40 @@
|
||||
import { MouseEvent } from 'react';
|
||||
import { ReactFlow, Node, Edge, useNodesState, useEdgesState } from '@xyflow/react';
|
||||
|
||||
import DragHandleNode from './DragHandleNode';
|
||||
|
||||
const nodeTypes = {
|
||||
dragHandleNode: DragHandleNode,
|
||||
};
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '2',
|
||||
type: 'dragHandleNode',
|
||||
dragHandle: '.custom-drag-handle',
|
||||
style: { border: '1px solid #ddd', padding: '20px 40px' },
|
||||
position: { x: 200, y: 200 },
|
||||
data: null,
|
||||
},
|
||||
];
|
||||
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
|
||||
const initialEdges: Edge[] = [];
|
||||
|
||||
const DragHandleFlow = () => {
|
||||
const [nodes, , onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges] = useEdgesState(initialEdges);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
onNodesChange={onNodesChange}
|
||||
edges={edges}
|
||||
nodeTypes={nodeTypes}
|
||||
onNodeClick={onNodeClick}
|
||||
/>
|
||||
);
|
||||
};
|
||||
|
||||
export default DragHandleFlow;
|
||||
@@ -0,0 +1,35 @@
|
||||
import { DragEvent } from 'react';
|
||||
|
||||
import styles from './dnd.module.css';
|
||||
|
||||
const onDragStart = (event: DragEvent, nodeType: string) => {
|
||||
event.dataTransfer.setData('application/reactflow', nodeType);
|
||||
event.dataTransfer.effectAllowed = 'move';
|
||||
};
|
||||
|
||||
const Sidebar = () => {
|
||||
return (
|
||||
<aside className={styles.aside}>
|
||||
<div className={styles.description}>You can drag these nodes to the pane on the left.</div>
|
||||
<div className="react-flow__node-input" onDragStart={(event: DragEvent) => onDragStart(event, 'input')} draggable>
|
||||
Input Node
|
||||
</div>
|
||||
<div
|
||||
className="react-flow__node-default"
|
||||
onDragStart={(event: DragEvent) => onDragStart(event, 'default')}
|
||||
draggable
|
||||
>
|
||||
Default Node
|
||||
</div>
|
||||
<div
|
||||
className="react-flow__node-output"
|
||||
onDragStart={(event: DragEvent) => onDragStart(event, 'output')}
|
||||
draggable
|
||||
>
|
||||
Output Node
|
||||
</div>
|
||||
</aside>
|
||||
);
|
||||
};
|
||||
|
||||
export default Sidebar;
|
||||
@@ -0,0 +1,37 @@
|
||||
.dndflow {
|
||||
flex-direction: column;
|
||||
display: flex;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
.aside {
|
||||
border-right: 1px solid #eee;
|
||||
padding: 15px 10px;
|
||||
font-size: 12px;
|
||||
background: #fcfcfc;
|
||||
}
|
||||
|
||||
.aside > * {
|
||||
margin-bottom: 10px;
|
||||
cursor: grab;
|
||||
}
|
||||
|
||||
.description {
|
||||
margin-bottom: 10px;
|
||||
}
|
||||
|
||||
.wrapper {
|
||||
flex-grow: 1;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
@media screen and (min-width: 768px) {
|
||||
.aside {
|
||||
width: 20%;
|
||||
max-width: 180px;
|
||||
}
|
||||
|
||||
.dndflow {
|
||||
flex-direction: row;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,91 @@
|
||||
import { useState, DragEvent } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
ReactFlowProvider,
|
||||
addEdge,
|
||||
ReactFlowInstance,
|
||||
Connection,
|
||||
Edge,
|
||||
Node,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
Controls,
|
||||
NodeOrigin,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import Sidebar from './Sidebar';
|
||||
|
||||
import styles from './dnd.module.css';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'input',
|
||||
data: { label: 'input node' },
|
||||
position: { x: 250, y: 5 },
|
||||
},
|
||||
];
|
||||
|
||||
const onDragOver = (event: DragEvent) => {
|
||||
event.preventDefault();
|
||||
event.dataTransfer.dropEffect = 'move';
|
||||
};
|
||||
|
||||
let id = 0;
|
||||
const getId = () => `dndnode_${id++}`;
|
||||
|
||||
const nodeOrigin: NodeOrigin = [0.5, 0.5];
|
||||
|
||||
const DnDFlow = () => {
|
||||
const [reactFlowInstance, setReactFlowInstance] = useState<ReactFlowInstance>();
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState([]);
|
||||
|
||||
const onConnect = (params: Connection | Edge) => setEdges((eds) => addEdge(params, eds));
|
||||
const onInit = (rfi: ReactFlowInstance) => setReactFlowInstance(rfi);
|
||||
|
||||
const onDrop = (event: DragEvent) => {
|
||||
event.preventDefault();
|
||||
|
||||
if (reactFlowInstance) {
|
||||
const type = event.dataTransfer.getData('application/reactflow');
|
||||
const position = reactFlowInstance.project({
|
||||
x: event.clientX,
|
||||
y: event.clientY - 40,
|
||||
});
|
||||
const newNode: Node = {
|
||||
id: getId(),
|
||||
type,
|
||||
position,
|
||||
data: { label: `${type} node` },
|
||||
};
|
||||
|
||||
setNodes((nds) => nds.concat(newNode));
|
||||
}
|
||||
};
|
||||
|
||||
return (
|
||||
<div className={styles.dndflow}>
|
||||
<ReactFlowProvider>
|
||||
<div className={styles.wrapper}>
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodesChange={onNodesChange}
|
||||
onConnect={onConnect}
|
||||
onInit={onInit}
|
||||
onDrop={onDrop}
|
||||
onDragOver={onDragOver}
|
||||
nodeOrigin={nodeOrigin}
|
||||
>
|
||||
<Controls />
|
||||
</ReactFlow>
|
||||
</div>
|
||||
<Sidebar />
|
||||
</ReactFlowProvider>
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
export default DnDFlow;
|
||||
@@ -0,0 +1,19 @@
|
||||
import { ConnectionLineComponentProps, getStraightPath } from '@xyflow/react';
|
||||
|
||||
function CustomConnectionLine({ fromX, fromY, toX, toY, connectionLineStyle }: ConnectionLineComponentProps) {
|
||||
const [edgePath] = getStraightPath({
|
||||
sourceX: fromX,
|
||||
sourceY: fromY,
|
||||
targetX: toX,
|
||||
targetY: toY,
|
||||
});
|
||||
|
||||
return (
|
||||
<g>
|
||||
<path style={connectionLineStyle} fill="none" d={edgePath} />
|
||||
<circle cx={toX} cy={toY} fill="black" r={3} stroke="black" strokeWidth={1.5} />
|
||||
</g>
|
||||
);
|
||||
}
|
||||
|
||||
export default CustomConnectionLine;
|
||||
@@ -0,0 +1,37 @@
|
||||
import { Handle, NodeProps, Position, ReactFlowState, useStore } from '@xyflow/react';
|
||||
|
||||
const connectionNodeIdSelector = (state: ReactFlowState) => state.connectionStartHandle?.nodeId;
|
||||
|
||||
export default function CustomNode({ id }: NodeProps) {
|
||||
const connectionNodeId = useStore(connectionNodeIdSelector);
|
||||
const isConnecting = !!connectionNodeId;
|
||||
const isTarget = connectionNodeId && connectionNodeId !== id;
|
||||
|
||||
const targetHandleStyle = { zIndex: isTarget ? 3 : 1 };
|
||||
const label = isTarget ? 'Drop here' : 'Drag to connect';
|
||||
|
||||
return (
|
||||
<div className="customNode">
|
||||
<div
|
||||
className="customNodeBody"
|
||||
style={{
|
||||
borderStyle: isTarget ? 'dashed' : 'solid',
|
||||
backgroundColor: isTarget ? '#ffcce3' : '#ccd9f6',
|
||||
}}
|
||||
>
|
||||
{!isConnecting && (
|
||||
<Handle className="customHandle" style={{ zIndex: 2 }} position={Position.Right} type="source" />
|
||||
)}
|
||||
|
||||
<Handle
|
||||
className="customHandle"
|
||||
style={targetHandleStyle}
|
||||
position={Position.Left}
|
||||
type="target"
|
||||
isConnectableStart={false}
|
||||
/>
|
||||
{label}
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,26 @@
|
||||
import { useCallback } from 'react';
|
||||
import { useStore, getStraightPath, EdgeProps } from '@xyflow/react';
|
||||
|
||||
import { getEdgeParams } from './utils.js';
|
||||
|
||||
function FloatingEdge({ id, source, target, markerEnd, style }: EdgeProps) {
|
||||
const sourceNode = useStore(useCallback((store) => store.nodes.find((n) => n.id === source), [source]));
|
||||
const targetNode = useStore(useCallback((store) => store.nodes.find((n) => n.id === target), [target]));
|
||||
|
||||
if (!sourceNode || !targetNode) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const { sx, sy, tx, ty } = getEdgeParams(sourceNode, targetNode);
|
||||
|
||||
const [edgePath] = getStraightPath({
|
||||
sourceX: sx,
|
||||
sourceY: sy,
|
||||
targetX: tx,
|
||||
targetY: ty,
|
||||
});
|
||||
|
||||
return <path id={id} className="react-flow__edge-path" d={edgePath} markerEnd={markerEnd} style={style} />;
|
||||
}
|
||||
|
||||
export default FloatingEdge;
|
||||
@@ -0,0 +1,85 @@
|
||||
import { useCallback } from 'react';
|
||||
import { ReactFlow, Node, Edge, addEdge, useNodesState, useEdgesState, MarkerType, OnConnect } from '@xyflow/react';
|
||||
|
||||
import CustomNode from './CustomNode';
|
||||
import FloatingEdge from './FloatingEdge';
|
||||
import CustomConnectionLine from './CustomConnectionLine';
|
||||
|
||||
import '@xyflow/react/dist/style.css';
|
||||
import './style.css';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'custom',
|
||||
position: { x: 0, y: 0 },
|
||||
data: {},
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
type: 'custom',
|
||||
position: { x: 250, y: 320 },
|
||||
data: {},
|
||||
},
|
||||
{
|
||||
id: '3',
|
||||
type: 'custom',
|
||||
position: { x: 40, y: 300 },
|
||||
data: {},
|
||||
},
|
||||
{
|
||||
id: '4',
|
||||
type: 'custom',
|
||||
position: { x: 300, y: 0 },
|
||||
data: {},
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [];
|
||||
|
||||
const connectionLineStyle = {
|
||||
strokeWidth: 3,
|
||||
stroke: 'black',
|
||||
};
|
||||
|
||||
const nodeTypes = {
|
||||
custom: CustomNode,
|
||||
};
|
||||
|
||||
const edgeTypes = {
|
||||
floating: FloatingEdge,
|
||||
};
|
||||
|
||||
const defaultEdgeOptions = {
|
||||
style: { strokeWidth: 3, stroke: 'black' },
|
||||
type: 'floating',
|
||||
markerEnd: {
|
||||
type: MarkerType.ArrowClosed,
|
||||
color: 'black',
|
||||
},
|
||||
};
|
||||
|
||||
const EasyConnectExample = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
|
||||
const onConnect: OnConnect = useCallback((params) => setEdges((eds) => addEdge(params, eds)), [setEdges]);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onConnect={onConnect}
|
||||
fitView
|
||||
nodeTypes={nodeTypes}
|
||||
edgeTypes={edgeTypes}
|
||||
defaultEdgeOptions={defaultEdgeOptions}
|
||||
connectionLineComponent={CustomConnectionLine}
|
||||
connectionLineStyle={connectionLineStyle}
|
||||
/>
|
||||
);
|
||||
};
|
||||
|
||||
export default EasyConnectExample;
|
||||
@@ -0,0 +1,42 @@
|
||||
.customNodeBody {
|
||||
width: 150px;
|
||||
height: 80px;
|
||||
border: 3px solid black;
|
||||
position: relative;
|
||||
overflow: hidden;
|
||||
border-radius: 10px;
|
||||
display: flex;
|
||||
justify-content: center;
|
||||
align-items: center;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.customNode:before {
|
||||
content: '';
|
||||
position: absolute;
|
||||
top: -10px;
|
||||
left: 50%;
|
||||
height: 20px;
|
||||
width: 40px;
|
||||
transform: translate(-50%, 0);
|
||||
background: #d6d5e6;
|
||||
z-index: 1000;
|
||||
line-height: 1;
|
||||
border-radius: 4px;
|
||||
color: #fff;
|
||||
font-size: 9px;
|
||||
border: 2px solid #222138;
|
||||
}
|
||||
|
||||
div.customHandle {
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
background: blue;
|
||||
position: absolute;
|
||||
top: 0;
|
||||
left: 0;
|
||||
border-radius: 0;
|
||||
transform: none;
|
||||
border: none;
|
||||
opacity: 0;
|
||||
}
|
||||
@@ -0,0 +1,102 @@
|
||||
import { Node, Position, MarkerType, XYPosition } from '@xyflow/react';
|
||||
|
||||
// this helper function returns the intersection point
|
||||
// of the line between the center of the intersectionNode and the target node
|
||||
function getNodeIntersection(intersectionNode: Node, targetNode: Node) {
|
||||
// https://math.stackexchange.com/questions/1724792/an-algorithm-for-finding-the-intersection-point-between-a-center-of-vision-and-a
|
||||
const {
|
||||
width: intersectionNodeWidth,
|
||||
height: intersectionNodeHeight,
|
||||
positionAbsolute: intersectionNodePosition,
|
||||
} = intersectionNode;
|
||||
const targetPosition = targetNode.positionAbsolute!;
|
||||
|
||||
const w = intersectionNodeWidth! / 2;
|
||||
const h = intersectionNodeHeight! / 2;
|
||||
|
||||
const x2 = intersectionNodePosition!.x + w;
|
||||
const y2 = intersectionNodePosition!.y + h;
|
||||
const x1 = targetPosition.x + w;
|
||||
const y1 = targetPosition.y + h;
|
||||
|
||||
const xx1 = (x1 - x2) / (2 * w) - (y1 - y2) / (2 * h);
|
||||
const yy1 = (x1 - x2) / (2 * w) + (y1 - y2) / (2 * h);
|
||||
const a = 1 / (Math.abs(xx1) + Math.abs(yy1));
|
||||
const xx3 = a * xx1;
|
||||
const yy3 = a * yy1;
|
||||
const x = w * (xx3 + yy3) + x2;
|
||||
const y = h * (-xx3 + yy3) + y2;
|
||||
|
||||
return { x, y };
|
||||
}
|
||||
|
||||
// returns the position (top,right,bottom or right) passed node compared to the intersection point
|
||||
function getEdgePosition(node: Node, intersectionPoint: XYPosition) {
|
||||
const n = { ...node.positionAbsolute, ...node };
|
||||
const nx = Math.round(n.x!);
|
||||
const ny = Math.round(n.y!);
|
||||
const px = Math.round(intersectionPoint.x);
|
||||
const py = Math.round(intersectionPoint.y);
|
||||
|
||||
if (px <= nx + 1) {
|
||||
return Position.Left;
|
||||
}
|
||||
if (px >= nx + n.width! - 1) {
|
||||
return Position.Right;
|
||||
}
|
||||
if (py <= ny + 1) {
|
||||
return Position.Top;
|
||||
}
|
||||
if (py >= n.y! + n.height! - 1) {
|
||||
return Position.Bottom;
|
||||
}
|
||||
|
||||
return Position.Top;
|
||||
}
|
||||
|
||||
// returns the parameters (sx, sy, tx, ty, sourcePos, targetPos) you need to create an edge
|
||||
export function getEdgeParams(source: Node, target: Node) {
|
||||
const sourceIntersectionPoint = getNodeIntersection(source, target);
|
||||
const targetIntersectionPoint = getNodeIntersection(target, source);
|
||||
|
||||
const sourcePos = getEdgePosition(source, sourceIntersectionPoint);
|
||||
const targetPos = getEdgePosition(target, targetIntersectionPoint);
|
||||
|
||||
return {
|
||||
sx: sourceIntersectionPoint.x,
|
||||
sy: sourceIntersectionPoint.y,
|
||||
tx: targetIntersectionPoint.x,
|
||||
ty: targetIntersectionPoint.y,
|
||||
sourcePos,
|
||||
targetPos,
|
||||
};
|
||||
}
|
||||
|
||||
export function createNodesAndEdges() {
|
||||
const nodes = [];
|
||||
const edges = [];
|
||||
const center = { x: window.innerWidth / 2, y: window.innerHeight / 2 };
|
||||
|
||||
nodes.push({ id: 'target', data: { label: 'Target' }, position: center });
|
||||
|
||||
for (let i = 0; i < 8; i++) {
|
||||
const degrees = i * (360 / 8);
|
||||
const radians = degrees * (Math.PI / 180);
|
||||
const x = 250 * Math.cos(radians) + center.x;
|
||||
const y = 250 * Math.sin(radians) + center.y;
|
||||
|
||||
nodes.push({ id: `${i}`, data: { label: 'Source' }, position: { x, y } });
|
||||
|
||||
edges.push({
|
||||
id: `edge-${i}`,
|
||||
target: 'target',
|
||||
source: `${i}`,
|
||||
type: 'floating',
|
||||
markerEnd: {
|
||||
type: MarkerType.Arrow,
|
||||
},
|
||||
});
|
||||
}
|
||||
|
||||
return { nodes, edges };
|
||||
}
|
||||
@@ -0,0 +1,61 @@
|
||||
import { FC, MouseEvent } from 'react';
|
||||
import { EdgeProps, getBezierPath, EdgeLabelRenderer, useStore } from '@xyflow/react';
|
||||
|
||||
const CustomEdge: FC<EdgeProps> = ({
|
||||
id,
|
||||
source,
|
||||
target,
|
||||
sourceX,
|
||||
sourceY,
|
||||
targetX,
|
||||
targetY,
|
||||
sourcePosition,
|
||||
targetPosition,
|
||||
data,
|
||||
}) => {
|
||||
const isConnectedNodeDragging = useStore((s) =>
|
||||
s.nodes.find((n) => n.dragging && (target === n.id || source === n.id))
|
||||
);
|
||||
|
||||
const [edgePath, labelX, labelY] = getBezierPath({
|
||||
sourceX,
|
||||
sourceY,
|
||||
sourcePosition,
|
||||
targetX,
|
||||
targetY,
|
||||
targetPosition,
|
||||
});
|
||||
|
||||
const onClick = (event: MouseEvent) => {
|
||||
event.preventDefault();
|
||||
event.stopPropagation();
|
||||
|
||||
console.log('click', data.text);
|
||||
};
|
||||
|
||||
return (
|
||||
<>
|
||||
<path id={id} className="react-flow__edge-path" d={edgePath} />
|
||||
|
||||
<EdgeLabelRenderer>
|
||||
<div
|
||||
style={{
|
||||
position: 'absolute',
|
||||
transform: `translate(-50%, -50%) translate(${labelX}px,${labelY}px)`,
|
||||
background: '#ffcc00',
|
||||
padding: 10,
|
||||
zIndex: isConnectedNodeDragging ? 10 : 0,
|
||||
pointerEvents: 'all',
|
||||
}}
|
||||
className="nodrag nopan"
|
||||
>
|
||||
{data.text}
|
||||
<input style={{ display: 'block' }} />
|
||||
<button onClick={onClick}>send</button>
|
||||
</div>
|
||||
</EdgeLabelRenderer>
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default CustomEdge;
|
||||
@@ -0,0 +1,51 @@
|
||||
import { FC } from 'react';
|
||||
import { EdgeProps, getBezierPath, EdgeLabelRenderer, useStore } from '@xyflow/react';
|
||||
|
||||
const CustomEdge: FC<EdgeProps> = ({
|
||||
id,
|
||||
source,
|
||||
target,
|
||||
sourceX,
|
||||
sourceY,
|
||||
targetX,
|
||||
targetY,
|
||||
sourcePosition,
|
||||
targetPosition,
|
||||
data,
|
||||
}) => {
|
||||
const isConnectedNodeDragging = useStore((s) =>
|
||||
s.nodes.find((n) => n.dragging && (target === n.id || source === n.id))
|
||||
);
|
||||
|
||||
const [edgePath, labelX, labelY] = getBezierPath({
|
||||
sourceX,
|
||||
sourceY,
|
||||
sourcePosition,
|
||||
targetX,
|
||||
targetY,
|
||||
targetPosition,
|
||||
});
|
||||
|
||||
return (
|
||||
<>
|
||||
<path id={id} className="react-flow__edge-path" d={edgePath} />
|
||||
|
||||
<EdgeLabelRenderer>
|
||||
<div
|
||||
style={{
|
||||
position: 'absolute',
|
||||
transform: `translate(-50%, -50%) translate(${labelX}px,${labelY}px)`,
|
||||
background: 'white',
|
||||
border: '1px solid #555',
|
||||
padding: 5,
|
||||
zIndex: isConnectedNodeDragging ? 10 : 0,
|
||||
}}
|
||||
>
|
||||
{data.text}
|
||||
</div>
|
||||
</EdgeLabelRenderer>
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default CustomEdge;
|
||||
@@ -0,0 +1,207 @@
|
||||
import { MouseEvent, useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
Controls,
|
||||
Background,
|
||||
MiniMap,
|
||||
addEdge,
|
||||
Connection,
|
||||
Edge,
|
||||
EdgeTypes,
|
||||
MarkerType,
|
||||
Node,
|
||||
useEdgesState,
|
||||
useNodesState,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import CustomEdge from './CustomEdge';
|
||||
import CustomEdge2 from './CustomEdge2';
|
||||
|
||||
const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
const onEdgeClick = (_: MouseEvent, edge: Edge) => console.log('click', edge);
|
||||
const onEdgeDoubleClick = (_: MouseEvent, edge: Edge) => console.log('dblclick', edge);
|
||||
const onEdgeMouseEnter = (_: MouseEvent, edge: Edge) => console.log('enter', edge);
|
||||
const onEdgeMouseMove = (_: MouseEvent, edge: Edge) => console.log('move', edge);
|
||||
const onEdgeMouseLeave = (_: MouseEvent, edge: Edge) => console.log('leave', edge);
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'input',
|
||||
data: { label: 'Input 1' },
|
||||
position: { x: 250, y: 0 },
|
||||
},
|
||||
{ id: '2', data: { label: 'Node 2' }, position: { x: 150, y: 100 } },
|
||||
{ id: '2a', data: { label: 'Node 2a' }, position: { x: 0, y: 180 } },
|
||||
{ id: '2b', data: { label: 'Node 2b' }, position: { x: -40, y: 300 } },
|
||||
{ id: '3', data: { label: 'Node 3' }, position: { x: 250, y: 200 } },
|
||||
{ id: '4', data: { label: 'Node 4' }, position: { x: 400, y: 300 } },
|
||||
{ id: '3a', data: { label: 'Node 3a' }, position: { x: 150, y: 300 } },
|
||||
{ id: '5', data: { label: 'Node 5' }, position: { x: 250, y: 400 } },
|
||||
{
|
||||
id: '6',
|
||||
type: 'output',
|
||||
data: { label: 'Output 6' },
|
||||
position: { x: 50, y: 550 },
|
||||
},
|
||||
{
|
||||
id: '7',
|
||||
type: 'output',
|
||||
data: { label: 'Output 7' },
|
||||
position: { x: 250, y: 550 },
|
||||
},
|
||||
{
|
||||
id: '8',
|
||||
type: 'output',
|
||||
data: { label: 'Output 8' },
|
||||
position: { x: 525, y: 600 },
|
||||
},
|
||||
{
|
||||
id: '9',
|
||||
type: 'output',
|
||||
data: { label: 'Output 9' },
|
||||
position: { x: 675, y: 500 },
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [
|
||||
{
|
||||
id: 'e1-2',
|
||||
source: '1',
|
||||
target: '2',
|
||||
label: 'bezier edge (default)',
|
||||
className: 'normal-edge',
|
||||
},
|
||||
{
|
||||
id: 'e2-2a',
|
||||
source: '2',
|
||||
target: '2a',
|
||||
type: 'smoothstep',
|
||||
label: 'smoothstep edge',
|
||||
},
|
||||
{
|
||||
id: 'e2a-2b',
|
||||
source: '2a',
|
||||
target: '2b',
|
||||
type: 'simplebezier',
|
||||
label: 'simple bezier edge',
|
||||
},
|
||||
{ id: 'e2-3', source: '2', target: '3', type: 'step', label: 'step edge' },
|
||||
{
|
||||
id: 'e3-4',
|
||||
source: '3',
|
||||
target: '4',
|
||||
type: 'straight',
|
||||
label: 'straight edge',
|
||||
},
|
||||
{
|
||||
id: 'e3-3a',
|
||||
source: '3',
|
||||
target: '3a',
|
||||
type: 'straight',
|
||||
label: 'label only edge',
|
||||
style: { stroke: 'none' },
|
||||
},
|
||||
{
|
||||
id: 'e3-5',
|
||||
source: '4',
|
||||
target: '5',
|
||||
animated: true,
|
||||
label: 'animated styled edge',
|
||||
style: { stroke: 'red' },
|
||||
},
|
||||
{
|
||||
id: 'e5-7',
|
||||
source: '5',
|
||||
target: '7',
|
||||
label: 'label with styled bg',
|
||||
labelBgPadding: [8, 4],
|
||||
labelBgBorderRadius: 4,
|
||||
labelBgStyle: { fill: '#FFCC00', color: '#fff', fillOpacity: 0.7 },
|
||||
markerEnd: {
|
||||
type: MarkerType.ArrowClosed,
|
||||
},
|
||||
},
|
||||
{
|
||||
id: 'e5-8',
|
||||
source: '5',
|
||||
target: '8',
|
||||
type: 'custom',
|
||||
data: { text: 'custom edge' },
|
||||
},
|
||||
{
|
||||
id: 'e5-9',
|
||||
source: '5',
|
||||
target: '9',
|
||||
type: 'custom2',
|
||||
data: { text: 'custom edge 2' },
|
||||
},
|
||||
{
|
||||
id: 'e5-6',
|
||||
source: '5',
|
||||
target: '6',
|
||||
label: (
|
||||
<>
|
||||
<tspan>i am using</tspan>
|
||||
<tspan dy={10} x={0}>
|
||||
{'<tspan>'}
|
||||
</tspan>
|
||||
</>
|
||||
),
|
||||
labelStyle: { fill: 'red', fontWeight: 700 },
|
||||
style: { stroke: '#ffcc00' },
|
||||
markerEnd: {
|
||||
type: MarkerType.Arrow,
|
||||
color: '#FFCC00',
|
||||
markerUnits: 'userSpaceOnUse',
|
||||
width: 20,
|
||||
height: 20,
|
||||
strokeWidth: 2,
|
||||
},
|
||||
markerStart: {
|
||||
type: MarkerType.ArrowClosed,
|
||||
color: '#FFCC00',
|
||||
orient: 'auto-start-reverse',
|
||||
markerUnits: 'userSpaceOnUse',
|
||||
width: 20,
|
||||
height: 20,
|
||||
},
|
||||
},
|
||||
];
|
||||
|
||||
const edgeTypes: EdgeTypes = {
|
||||
custom: CustomEdge,
|
||||
custom2: CustomEdge2,
|
||||
};
|
||||
|
||||
const EdgesFlow = () => {
|
||||
const [nodes, , onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = useCallback((params: Connection | Edge) => setEdges((eds) => addEdge(params, eds)), [setEdges]);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onConnect={onConnect}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
snapToGrid={true}
|
||||
edgeTypes={edgeTypes}
|
||||
onEdgeClick={onEdgeClick}
|
||||
onEdgeDoubleClick={onEdgeDoubleClick}
|
||||
onEdgeMouseEnter={onEdgeMouseEnter}
|
||||
onEdgeMouseMove={onEdgeMouseMove}
|
||||
onEdgeMouseLeave={onEdgeMouseLeave}
|
||||
>
|
||||
<MiniMap />
|
||||
<Controls />
|
||||
<Background />
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default EdgesFlow;
|
||||
@@ -0,0 +1,122 @@
|
||||
import { ReactFlow, Node, Edge, Position, MarkerType } from '@xyflow/react';
|
||||
|
||||
const nodes: Node[] = [
|
||||
// LTR
|
||||
{
|
||||
id: '1',
|
||||
position: { x: 50, y: -100 },
|
||||
data: { label: 'Source' },
|
||||
sourcePosition: Position.Right,
|
||||
targetPosition: Position.Right,
|
||||
style: { background: 'rgba(255,255,255,0.5)' },
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
position: { x: -100, y: 0 },
|
||||
data: { label: 'Target' },
|
||||
sourcePosition: Position.Left,
|
||||
targetPosition: Position.Left,
|
||||
style: { background: 'rgba(255,255,255,0.5)' },
|
||||
},
|
||||
// Right Right
|
||||
{
|
||||
id: '3',
|
||||
position: { x: -100, y: 250 },
|
||||
data: { label: 'Source' },
|
||||
sourcePosition: Position.Right,
|
||||
targetPosition: Position.Right,
|
||||
style: { background: 'rgba(255,255,255,0.5)' },
|
||||
},
|
||||
{
|
||||
id: '4',
|
||||
position: { x: 50, y: 150 },
|
||||
data: { label: 'Target' },
|
||||
sourcePosition: Position.Right,
|
||||
targetPosition: Position.Right,
|
||||
style: { background: 'rgba(255,255,255,0.5)' },
|
||||
},
|
||||
// Right Top
|
||||
{
|
||||
id: '5',
|
||||
position: { x: -100, y: 450 },
|
||||
data: { label: 'Source' },
|
||||
sourcePosition: Position.Right,
|
||||
targetPosition: Position.Right,
|
||||
style: { background: 'rgba(255,255,255,0.5)' },
|
||||
},
|
||||
{
|
||||
id: '6',
|
||||
position: { x: 100, y: 400 },
|
||||
data: { label: 'Target' },
|
||||
sourcePosition: Position.Top,
|
||||
targetPosition: Position.Top,
|
||||
style: { background: 'rgba(255,255,255,0.5)' },
|
||||
},
|
||||
// Right Bottom
|
||||
{
|
||||
id: '7',
|
||||
position: { x: 100, y: 700 },
|
||||
data: { label: 'Source' },
|
||||
sourcePosition: Position.Right,
|
||||
targetPosition: Position.Right,
|
||||
style: { background: 'rgba(255,255,255,0.5)' },
|
||||
},
|
||||
{
|
||||
id: '8',
|
||||
position: { x: -100, y: 600 },
|
||||
data: { label: 'Target' },
|
||||
sourcePosition: Position.Bottom,
|
||||
targetPosition: Position.Bottom,
|
||||
style: { background: 'rgba(255,255,255,0.5)' },
|
||||
},
|
||||
];
|
||||
|
||||
const edges: Edge[] = [
|
||||
{
|
||||
id: 'e1-2',
|
||||
source: '1',
|
||||
target: '2',
|
||||
pathOptions: {
|
||||
offset: 30,
|
||||
},
|
||||
interactionWidth: 0,
|
||||
},
|
||||
{
|
||||
id: 'e3-4',
|
||||
source: '3',
|
||||
target: '4',
|
||||
pathOptions: {
|
||||
borderRadius: 2,
|
||||
},
|
||||
interactionWidth: 0,
|
||||
},
|
||||
|
||||
{
|
||||
id: 'e4-5',
|
||||
source: '5',
|
||||
target: '6',
|
||||
},
|
||||
|
||||
{
|
||||
id: 'e7-8',
|
||||
source: '7',
|
||||
target: '8',
|
||||
},
|
||||
];
|
||||
|
||||
const defaultEdgeOptions = {
|
||||
label: 'Edge Label',
|
||||
type: 'smoothstep',
|
||||
markerEnd: {
|
||||
type: MarkerType.ArrowClosed,
|
||||
},
|
||||
style: {
|
||||
strokeWidth: 1,
|
||||
},
|
||||
};
|
||||
|
||||
const SimpleEdge = () => {
|
||||
return <ReactFlow defaultNodes={nodes} defaultEdges={edges} fitView defaultEdgeOptions={defaultEdgeOptions} />;
|
||||
};
|
||||
|
||||
export default SimpleEdge;
|
||||
@@ -0,0 +1,54 @@
|
||||
import { useCallback } from 'react';
|
||||
|
||||
import {
|
||||
ReactFlow,
|
||||
Background,
|
||||
Controls,
|
||||
MiniMap,
|
||||
addEdge,
|
||||
ReactFlowInstance,
|
||||
Connection,
|
||||
Edge,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import { getElements } from './utils';
|
||||
|
||||
const onInit = (reactFlowInstance: ReactFlowInstance) => {
|
||||
reactFlowInstance.fitView();
|
||||
console.log(reactFlowInstance.getNodes());
|
||||
};
|
||||
|
||||
const { nodes: initialNodes, edges: initialEdges } = getElements();
|
||||
|
||||
const multiSelectionKeyCode = ['ShiftLeft', 'ShiftRight'];
|
||||
const deleteKeyCode = ['AltLeft+KeyD', 'Backspace'];
|
||||
|
||||
const EdgeTypesFlow = () => {
|
||||
const [nodes, , onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = useCallback((params: Connection | Edge) => setEdges((eds) => addEdge(params, eds)), [setEdges]);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onInit={onInit}
|
||||
onConnect={onConnect}
|
||||
minZoom={0.2}
|
||||
selectionKeyCode="a+s"
|
||||
multiSelectionKeyCode={multiSelectionKeyCode}
|
||||
deleteKeyCode={deleteKeyCode}
|
||||
zoomActivationKeyCode="z"
|
||||
>
|
||||
<MiniMap />
|
||||
<Controls />
|
||||
<Background />
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default EdgeTypesFlow;
|
||||
@@ -0,0 +1,114 @@
|
||||
import { Edge, Node, Position } from '@xyflow/react';
|
||||
|
||||
const nodeWidth = 80;
|
||||
const nodeGapWidth = nodeWidth * 2;
|
||||
const nodeStyle = { width: nodeWidth, fontSize: 11, color: 'white' };
|
||||
|
||||
const sourceTargetPositions = [
|
||||
{ source: Position.Bottom, target: Position.Top },
|
||||
{ source: Position.Right, target: Position.Left },
|
||||
];
|
||||
const nodeColors = [
|
||||
['#0c5956', '#1e9e99', '#4cb3ac', '#6ec9c0', '#8ddfd4'],
|
||||
['#0f4c75', '#1b5d8b', '#276fa1', '#3282b8', '#4fa6e0'],
|
||||
];
|
||||
const edgeTypes = ['default', 'step', 'smoothstep', 'straight', 'simplebezier'];
|
||||
const offsets = [
|
||||
{
|
||||
x: 0,
|
||||
y: -nodeGapWidth,
|
||||
},
|
||||
{
|
||||
x: nodeGapWidth,
|
||||
y: -nodeGapWidth,
|
||||
},
|
||||
{
|
||||
x: nodeGapWidth,
|
||||
y: 0,
|
||||
},
|
||||
{
|
||||
x: nodeGapWidth,
|
||||
y: nodeGapWidth,
|
||||
},
|
||||
{
|
||||
x: 0,
|
||||
y: nodeGapWidth,
|
||||
},
|
||||
{
|
||||
x: -nodeGapWidth,
|
||||
y: nodeGapWidth,
|
||||
},
|
||||
{
|
||||
x: -nodeGapWidth,
|
||||
y: 0,
|
||||
},
|
||||
{
|
||||
x: -nodeGapWidth,
|
||||
y: -nodeGapWidth,
|
||||
},
|
||||
];
|
||||
|
||||
let id = 0;
|
||||
const getNodeId = (): string => (id++).toString();
|
||||
|
||||
export function getElements(): { nodes: Node[]; edges: Edge[] } {
|
||||
const initialElements = { nodes: [] as Node[], edges: [] as Edge[] };
|
||||
|
||||
for (let sourceTargetIndex = 0; sourceTargetIndex < sourceTargetPositions.length; sourceTargetIndex++) {
|
||||
const currSourceTargetPos = sourceTargetPositions[sourceTargetIndex];
|
||||
|
||||
for (let edgeTypeIndex = 0; edgeTypeIndex < edgeTypes.length; edgeTypeIndex++) {
|
||||
const currEdgeType = edgeTypes[edgeTypeIndex];
|
||||
|
||||
for (let offsetIndex = 0; offsetIndex < offsets.length; offsetIndex++) {
|
||||
const currOffset = offsets[offsetIndex];
|
||||
|
||||
const style = {
|
||||
...nodeStyle,
|
||||
background: nodeColors[sourceTargetIndex][edgeTypeIndex],
|
||||
};
|
||||
const sourcePosition = {
|
||||
x: offsetIndex * nodeWidth * 4,
|
||||
y: edgeTypeIndex * 300 + sourceTargetIndex * edgeTypes.length * 300,
|
||||
};
|
||||
const sourceId = getNodeId();
|
||||
const sourceData = { label: `Source ${sourceId}` };
|
||||
const sourceNode: Node = {
|
||||
id: sourceId,
|
||||
style,
|
||||
data: sourceData,
|
||||
position: sourcePosition,
|
||||
sourcePosition: currSourceTargetPos.source,
|
||||
targetPosition: currSourceTargetPos.target,
|
||||
};
|
||||
|
||||
const targetId = getNodeId();
|
||||
const targetData = { label: `Target ${targetId}` };
|
||||
const targetPosition = {
|
||||
x: sourcePosition.x + currOffset.x,
|
||||
y: sourcePosition.y + currOffset.y,
|
||||
};
|
||||
const targetNode: Node = {
|
||||
id: targetId,
|
||||
style,
|
||||
data: targetData,
|
||||
position: targetPosition,
|
||||
sourcePosition: currSourceTargetPos.source,
|
||||
targetPosition: currSourceTargetPos.target,
|
||||
};
|
||||
|
||||
initialElements.nodes.push(sourceNode);
|
||||
initialElements.nodes.push(targetNode);
|
||||
|
||||
initialElements.edges.push({
|
||||
id: `${sourceId}-${targetId}`,
|
||||
source: sourceId,
|
||||
target: targetId,
|
||||
type: currEdgeType,
|
||||
} as Edge);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return initialElements;
|
||||
}
|
||||
@@ -0,0 +1,35 @@
|
||||
import { FC } from 'react';
|
||||
import { BaseEdge, EdgeProps, getBezierPath } from '@xyflow/react';
|
||||
|
||||
const CustomEdge: FC<EdgeProps> = ({
|
||||
id,
|
||||
sourceX,
|
||||
sourceY,
|
||||
targetX,
|
||||
targetY,
|
||||
sourcePosition,
|
||||
targetPosition,
|
||||
data,
|
||||
}) => {
|
||||
const [edgePath] = getBezierPath({
|
||||
sourceX,
|
||||
sourceY,
|
||||
sourcePosition,
|
||||
targetX,
|
||||
targetY,
|
||||
targetPosition,
|
||||
});
|
||||
|
||||
return (
|
||||
<>
|
||||
<BaseEdge path={edgePath} id={id} />
|
||||
<text>
|
||||
<textPath href={`#${id}`} style={{ fontSize: '12px' }} startOffset="50%" textAnchor="middle">
|
||||
{data.text}
|
||||
</textPath>
|
||||
</text>
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default CustomEdge;
|
||||
@@ -0,0 +1,41 @@
|
||||
import { FC } from 'react';
|
||||
import { EdgeProps, getBezierPath, EdgeText, BaseEdge } from '@xyflow/react';
|
||||
|
||||
const CustomEdge: FC<EdgeProps> = ({
|
||||
id,
|
||||
sourceX,
|
||||
sourceY,
|
||||
targetX,
|
||||
targetY,
|
||||
sourcePosition,
|
||||
targetPosition,
|
||||
data,
|
||||
}) => {
|
||||
const [edgePath, labelX, labelY] = getBezierPath({
|
||||
sourceX,
|
||||
sourceY,
|
||||
sourcePosition,
|
||||
targetX,
|
||||
targetY,
|
||||
targetPosition,
|
||||
});
|
||||
|
||||
return (
|
||||
<>
|
||||
<BaseEdge id={id} path={edgePath} />
|
||||
<EdgeText
|
||||
x={labelX}
|
||||
y={labelY}
|
||||
label={data.text}
|
||||
labelStyle={{ fill: 'white' }}
|
||||
labelShowBg
|
||||
labelBgStyle={{ fill: 'red' }}
|
||||
labelBgPadding={[2, 4]}
|
||||
labelBgBorderRadius={2}
|
||||
onClick={() => console.log(data)}
|
||||
/>
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default CustomEdge;
|
||||
@@ -0,0 +1,207 @@
|
||||
import { MouseEvent, useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
Controls,
|
||||
Background,
|
||||
MiniMap,
|
||||
addEdge,
|
||||
Connection,
|
||||
Edge,
|
||||
EdgeTypes,
|
||||
MarkerType,
|
||||
Node,
|
||||
useEdgesState,
|
||||
useNodesState,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import CustomEdge from './CustomEdge';
|
||||
import CustomEdge2 from './CustomEdge2';
|
||||
|
||||
const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
const onEdgeClick = (_: MouseEvent, edge: Edge) => console.log('click', edge);
|
||||
const onEdgeDoubleClick = (_: MouseEvent, edge: Edge) => console.log('dblclick', edge);
|
||||
const onEdgeMouseEnter = (_: MouseEvent, edge: Edge) => console.log('enter', edge);
|
||||
const onEdgeMouseMove = (_: MouseEvent, edge: Edge) => console.log('move', edge);
|
||||
const onEdgeMouseLeave = (_: MouseEvent, edge: Edge) => console.log('leave', edge);
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'input',
|
||||
data: { label: 'Input 1' },
|
||||
position: { x: 250, y: 0 },
|
||||
},
|
||||
{ id: '2', data: { label: 'Node 2' }, position: { x: 150, y: 100 } },
|
||||
{ id: '2a', data: { label: 'Node 2a' }, position: { x: 0, y: 180 } },
|
||||
{ id: '2b', data: { label: 'Node 2b' }, position: { x: -40, y: 300 } },
|
||||
{ id: '3', data: { label: 'Node 3' }, position: { x: 250, y: 200 } },
|
||||
{ id: '4', data: { label: 'Node 4' }, position: { x: 400, y: 300 } },
|
||||
{ id: '3a', data: { label: 'Node 3a' }, position: { x: 150, y: 300 } },
|
||||
{ id: '5', data: { label: 'Node 5' }, position: { x: 250, y: 400 } },
|
||||
{
|
||||
id: '6',
|
||||
type: 'output',
|
||||
data: { label: 'Output 6' },
|
||||
position: { x: 50, y: 550 },
|
||||
},
|
||||
{
|
||||
id: '7',
|
||||
type: 'output',
|
||||
data: { label: 'Output 7' },
|
||||
position: { x: 250, y: 550 },
|
||||
},
|
||||
{
|
||||
id: '8',
|
||||
type: 'output',
|
||||
data: { label: 'Output 8' },
|
||||
position: { x: 525, y: 600 },
|
||||
},
|
||||
{
|
||||
id: '9',
|
||||
type: 'output',
|
||||
data: { label: 'Output 9' },
|
||||
position: { x: 675, y: 500 },
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [
|
||||
{
|
||||
id: 'e1-2',
|
||||
source: '1',
|
||||
target: '2',
|
||||
label: 'bezier edge (default)',
|
||||
className: 'normal-edge',
|
||||
},
|
||||
{
|
||||
id: 'e2-2a',
|
||||
source: '2',
|
||||
target: '2a',
|
||||
type: 'smoothstep',
|
||||
label: 'smoothstep edge',
|
||||
},
|
||||
{
|
||||
id: 'e2a-2b',
|
||||
source: '2a',
|
||||
target: '2b',
|
||||
type: 'simplebezier',
|
||||
label: 'simple bezier edge',
|
||||
},
|
||||
{ id: 'e2-3', source: '2', target: '3', type: 'step', label: 'step edge' },
|
||||
{
|
||||
id: 'e3-4',
|
||||
source: '3',
|
||||
target: '4',
|
||||
type: 'straight',
|
||||
label: 'straight edge',
|
||||
},
|
||||
{
|
||||
id: 'e3-3a',
|
||||
source: '3',
|
||||
target: '3a',
|
||||
type: 'straight',
|
||||
label: 'label only edge',
|
||||
style: { stroke: 'none' },
|
||||
},
|
||||
{
|
||||
id: 'e3-5',
|
||||
source: '4',
|
||||
target: '5',
|
||||
animated: true,
|
||||
label: 'animated styled edge',
|
||||
style: { stroke: 'red' },
|
||||
},
|
||||
{
|
||||
id: 'e5-7',
|
||||
source: '5',
|
||||
target: '7',
|
||||
label: 'label with styled bg',
|
||||
labelBgPadding: [8, 4],
|
||||
labelBgBorderRadius: 4,
|
||||
labelBgStyle: { fill: '#FFCC00', color: '#fff', fillOpacity: 0.7 },
|
||||
markerEnd: {
|
||||
type: MarkerType.ArrowClosed,
|
||||
},
|
||||
},
|
||||
{
|
||||
id: 'e5-8',
|
||||
source: '5',
|
||||
target: '8',
|
||||
type: 'custom',
|
||||
data: { text: 'custom edge' },
|
||||
},
|
||||
{
|
||||
id: 'e5-9',
|
||||
source: '5',
|
||||
target: '9',
|
||||
type: 'custom2',
|
||||
data: { text: 'custom edge 2' },
|
||||
},
|
||||
{
|
||||
id: 'e5-6',
|
||||
source: '5',
|
||||
target: '6',
|
||||
label: (
|
||||
<>
|
||||
<tspan>i am using</tspan>
|
||||
<tspan dy={10} x={0}>
|
||||
{'<tspan>'}
|
||||
</tspan>
|
||||
</>
|
||||
),
|
||||
labelStyle: { fill: 'red', fontWeight: 700 },
|
||||
style: { stroke: '#ffcc00' },
|
||||
markerEnd: {
|
||||
type: MarkerType.Arrow,
|
||||
color: '#FFCC00',
|
||||
markerUnits: 'userSpaceOnUse',
|
||||
width: 20,
|
||||
height: 20,
|
||||
strokeWidth: 2,
|
||||
},
|
||||
markerStart: {
|
||||
type: MarkerType.ArrowClosed,
|
||||
color: '#FFCC00',
|
||||
orient: 'auto-start-reverse',
|
||||
markerUnits: 'userSpaceOnUse',
|
||||
width: 20,
|
||||
height: 20,
|
||||
},
|
||||
},
|
||||
];
|
||||
|
||||
const edgeTypes: EdgeTypes = {
|
||||
custom: CustomEdge,
|
||||
custom2: CustomEdge2,
|
||||
};
|
||||
|
||||
const EdgesFlow = () => {
|
||||
const [nodes, , onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = useCallback((params: Connection | Edge) => setEdges((eds) => addEdge(params, eds)), [setEdges]);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onConnect={onConnect}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
snapToGrid={true}
|
||||
edgeTypes={edgeTypes}
|
||||
onEdgeClick={onEdgeClick}
|
||||
onEdgeDoubleClick={onEdgeDoubleClick}
|
||||
onEdgeMouseEnter={onEdgeMouseEnter}
|
||||
onEdgeMouseMove={onEdgeMouseMove}
|
||||
onEdgeMouseLeave={onEdgeMouseLeave}
|
||||
>
|
||||
<MiniMap />
|
||||
<Controls />
|
||||
<Background />
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default EdgesFlow;
|
||||
@@ -0,0 +1,68 @@
|
||||
import { MouseEvent, CSSProperties, useCallback } from 'react';
|
||||
|
||||
import {
|
||||
ReactFlow,
|
||||
Background,
|
||||
BackgroundVariant,
|
||||
Controls,
|
||||
addEdge,
|
||||
Node,
|
||||
Connection,
|
||||
Edge,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
ReactFlowInstance,
|
||||
} from '@xyflow/react';
|
||||
|
||||
const onInit = (reactFlowInstance: ReactFlowInstance) => console.log('flow loaded:', reactFlowInstance);
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
|
||||
|
||||
const buttonStyle: CSSProperties = {
|
||||
position: 'absolute',
|
||||
left: 10,
|
||||
top: 10,
|
||||
zIndex: 4,
|
||||
};
|
||||
|
||||
const EmptyFlow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState([]);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState([]);
|
||||
|
||||
const onConnect = useCallback((params: Connection | Edge) => setEdges((els) => addEdge(params, els)), [setEdges]);
|
||||
const addRandomNode = () => {
|
||||
const nodeId = (nodes.length + 1).toString();
|
||||
const newNode: Node = {
|
||||
id: nodeId,
|
||||
data: { label: `Node: ${nodeId}` },
|
||||
position: {
|
||||
x: Math.random() * window.innerWidth,
|
||||
y: Math.random() * window.innerHeight,
|
||||
},
|
||||
};
|
||||
setNodes((nds) => nds.concat(newNode));
|
||||
};
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onInit={onInit}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onConnect={(p) => onConnect(p)}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
onlyRenderVisibleElements={false}
|
||||
>
|
||||
<Controls />
|
||||
<Background variant={BackgroundVariant.Lines} />
|
||||
|
||||
<button type="button" onClick={addRandomNode} style={buttonStyle}>
|
||||
add node
|
||||
</button>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default EmptyFlow;
|
||||
@@ -0,0 +1,56 @@
|
||||
import { ReactFlow, Background, BackgroundVariant, Node, Edge, SelectionMode, Controls, Panel } from '@xyflow/react';
|
||||
|
||||
const MULTI_SELECT_KEY = ['Meta', 'Shift'];
|
||||
|
||||
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 },
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
];
|
||||
|
||||
const onPaneContextMenu = (e: any) => {
|
||||
e.preventDefault();
|
||||
console.log('context menu');
|
||||
};
|
||||
|
||||
const panOnDrag = [1, 2];
|
||||
|
||||
const onMoveStart = (e: any) => console.log('move start', e);
|
||||
const onMove = (e: any) => console.log('move', e);
|
||||
const onMoveEnd = (e: any) => console.log('move end', e);
|
||||
|
||||
const BasicFlow = () => {
|
||||
return (
|
||||
<ReactFlow
|
||||
defaultNodes={initialNodes}
|
||||
defaultEdges={initialEdges}
|
||||
selectionOnDrag
|
||||
selectionMode={SelectionMode.Partial}
|
||||
panOnDrag={panOnDrag}
|
||||
panOnScroll
|
||||
zoomActivationKeyCode="Meta"
|
||||
multiSelectionKeyCode={MULTI_SELECT_KEY}
|
||||
onPaneContextMenu={onPaneContextMenu}
|
||||
fitView
|
||||
selectNodesOnDrag={false}
|
||||
onSelectionContextMenu={onPaneContextMenu}
|
||||
onMoveStart={onMoveStart}
|
||||
onMove={onMove}
|
||||
onMoveEnd={onMoveEnd}
|
||||
>
|
||||
<Background variant={BackgroundVariant.Cross} />
|
||||
<Controls />
|
||||
<Panel position="top-right">
|
||||
<input type={'text'} placeholder={'name'} />
|
||||
</Panel>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default BasicFlow;
|
||||
@@ -0,0 +1,37 @@
|
||||
import { FC } from 'react';
|
||||
import { getBezierPath, ConnectionLineComponentProps, Node } from '@xyflow/react';
|
||||
|
||||
import { getEdgeParams } from './utils';
|
||||
|
||||
const FloatingConnectionLine: FC<ConnectionLineComponentProps> = ({ toX, toY, fromPosition, toPosition, fromNode }) => {
|
||||
if (!fromNode) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const targetNode = {
|
||||
id: 'connection-target',
|
||||
width: 1,
|
||||
height: 1,
|
||||
position: { x: toX, y: toY },
|
||||
} as Node;
|
||||
|
||||
const { sx, sy } = getEdgeParams(fromNode, targetNode);
|
||||
|
||||
const [path] = getBezierPath({
|
||||
sourceX: sx,
|
||||
sourceY: sy,
|
||||
sourcePosition: fromPosition,
|
||||
targetPosition: toPosition,
|
||||
targetX: toX,
|
||||
targetY: toY,
|
||||
});
|
||||
|
||||
return (
|
||||
<g>
|
||||
<path fill="none" stroke="#222" strokeWidth={1.5} className="animated" d={path} />
|
||||
<circle cx={toX} cy={toY} fill="#fff" r={3} stroke="#222" strokeWidth={1.5} />
|
||||
</g>
|
||||
);
|
||||
};
|
||||
|
||||
export default FloatingConnectionLine;
|
||||
@@ -0,0 +1,36 @@
|
||||
import { FC, CSSProperties } from 'react';
|
||||
import { EdgeProps, useStore, getBezierPath } from '@xyflow/react';
|
||||
|
||||
import { getEdgeParams } from './utils';
|
||||
|
||||
const FloatingEdge: FC<EdgeProps> = ({ id, source, target, style }) => {
|
||||
const { sourceNode, targetNode } = useStore((s) => {
|
||||
const sourceNode = s.nodes.find((n) => n.id === source);
|
||||
const targetNode = s.nodes.find((n) => n.id === target);
|
||||
|
||||
return { sourceNode, targetNode };
|
||||
});
|
||||
|
||||
if (!sourceNode || !targetNode) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const { sx, sy, tx, ty, sourcePos, targetPos } = getEdgeParams(sourceNode, targetNode);
|
||||
|
||||
const [path] = getBezierPath({
|
||||
sourceX: sx,
|
||||
sourceY: sy,
|
||||
sourcePosition: sourcePos,
|
||||
targetPosition: targetPos,
|
||||
targetX: tx,
|
||||
targetY: ty,
|
||||
});
|
||||
|
||||
return (
|
||||
<g className="react-flow__connection">
|
||||
<path id={id} className="react-flow__edge-path" d={path} style={style as CSSProperties} />
|
||||
</g>
|
||||
);
|
||||
};
|
||||
|
||||
export default FloatingEdge;
|
||||
@@ -0,0 +1,54 @@
|
||||
import { useCallback } from 'react';
|
||||
|
||||
import {
|
||||
ReactFlow,
|
||||
Background,
|
||||
addEdge,
|
||||
ReactFlowInstance,
|
||||
EdgeTypes,
|
||||
Connection,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import styles from './style.module.css';
|
||||
|
||||
import FloatingConnectionLine from './FloatingConnectionLine';
|
||||
import FloatingEdge from './FloatingEdge';
|
||||
import { createElements } from './utils';
|
||||
|
||||
const onInit = (reactFlowInstance: ReactFlowInstance) => reactFlowInstance.fitView();
|
||||
|
||||
const { nodes: initialNodes, edges: initialEdges } =
|
||||
typeof window !== 'undefined' ? createElements() : { nodes: [], edges: [] };
|
||||
const edgeTypes: EdgeTypes = {
|
||||
floating: FloatingEdge,
|
||||
};
|
||||
|
||||
const FloatingEdges = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
|
||||
const onConnect = useCallback((connection: Connection) => {
|
||||
setEdges((eds) => addEdge(connection, eds));
|
||||
}, []);
|
||||
|
||||
return (
|
||||
<div className={styles.floatingedges}>
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onConnect={onConnect}
|
||||
onInit={onInit}
|
||||
edgeTypes={edgeTypes}
|
||||
connectionLineComponent={FloatingConnectionLine}
|
||||
>
|
||||
<Background />
|
||||
</ReactFlow>
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
export default FloatingEdges;
|
||||
@@ -0,0 +1,9 @@
|
||||
.floatingedges {
|
||||
flex-direction: column;
|
||||
display: flex;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
.floatingedges :global .react-flow__handle {
|
||||
opacity: 0;
|
||||
}
|
||||
@@ -0,0 +1,106 @@
|
||||
import { Position, XYPosition, Node, Edge } from '@xyflow/react';
|
||||
|
||||
// this helper function returns the intersection point
|
||||
// of the line between the center of the intersectionNode and the target node
|
||||
function getNodeIntersection(intersectionNode: Node, targetNode: Node): XYPosition {
|
||||
// https://math.stackexchange.com/questions/1724792/an-algorithm-for-finding-the-intersection-point-between-a-center-of-vision-and-a
|
||||
|
||||
const {
|
||||
width: intersectionNodeWidth,
|
||||
height: intersectionNodeHeight,
|
||||
position: intersectionNodePosition,
|
||||
} = intersectionNode;
|
||||
const targetPosition = targetNode.position;
|
||||
|
||||
const w = (intersectionNodeWidth ?? 0) / 2;
|
||||
const h = (intersectionNodeHeight ?? 0) / 2;
|
||||
|
||||
const x2 = intersectionNodePosition.x + w;
|
||||
const y2 = intersectionNodePosition.y + h;
|
||||
const x1 = targetPosition.x + w;
|
||||
const y1 = targetPosition.y + h;
|
||||
|
||||
const xx1 = (x1 - x2) / (2 * w) - (y1 - y2) / (2 * h);
|
||||
const yy1 = (x1 - x2) / (2 * w) + (y1 - y2) / (2 * h);
|
||||
const a = 1 / (Math.abs(xx1) + Math.abs(yy1));
|
||||
const xx3 = a * xx1;
|
||||
const yy3 = a * yy1;
|
||||
const x = w * (xx3 + yy3) + x2;
|
||||
const y = h * (-xx3 + yy3) + y2;
|
||||
|
||||
return { x, y };
|
||||
}
|
||||
|
||||
// returns the position (top,right,bottom or right) passed node compared to the intersection point
|
||||
function getEdgePosition(node: Node, intersectionPoint: XYPosition) {
|
||||
const n = { ...node.position, ...node };
|
||||
const nx = Math.round(n.x);
|
||||
const ny = Math.round(n.y);
|
||||
const px = Math.round(intersectionPoint.x);
|
||||
const py = Math.round(intersectionPoint.y);
|
||||
|
||||
if (px <= nx + 1) {
|
||||
return Position.Left;
|
||||
}
|
||||
if (px >= nx + (n.width ?? 0) - 1) {
|
||||
return Position.Right;
|
||||
}
|
||||
if (py <= ny + 1) {
|
||||
return Position.Top;
|
||||
}
|
||||
if (py >= n.y + (n.height ?? 0) - 1) {
|
||||
return Position.Bottom;
|
||||
}
|
||||
|
||||
return Position.Top;
|
||||
}
|
||||
|
||||
// returns the parameters (sx, sy, tx, ty, sourcePos, targetPos) you need to create an edge
|
||||
export function getEdgeParams(source: Node, target: Node) {
|
||||
const sourceIntersectionPoint = getNodeIntersection(source, target);
|
||||
const targetIntersectionPoint = getNodeIntersection(target, source);
|
||||
|
||||
const sourcePos = getEdgePosition(source, sourceIntersectionPoint);
|
||||
const targetPos = getEdgePosition(target, targetIntersectionPoint);
|
||||
|
||||
return {
|
||||
sx: sourceIntersectionPoint.x,
|
||||
sy: sourceIntersectionPoint.y,
|
||||
tx: targetIntersectionPoint.x,
|
||||
ty: targetIntersectionPoint.y,
|
||||
sourcePos,
|
||||
targetPos,
|
||||
};
|
||||
}
|
||||
|
||||
type NodesAndEdges = {
|
||||
nodes: Node[];
|
||||
edges: Edge[];
|
||||
};
|
||||
|
||||
export function createElements(): NodesAndEdges {
|
||||
const nodes: Node[] = [];
|
||||
const edges: Edge[] = [];
|
||||
|
||||
const center = { x: window.innerWidth / 2, y: window.innerHeight / 2 };
|
||||
|
||||
nodes.push({ id: 'target', data: { label: 'Target' }, position: center });
|
||||
|
||||
for (let i = 0; i < 8; i++) {
|
||||
const degrees = i * (360 / 8);
|
||||
const radians = degrees * (Math.PI / 180);
|
||||
const x = 250 * Math.cos(radians) + center.x;
|
||||
const y = 250 * Math.sin(radians) + center.y;
|
||||
|
||||
nodes.push({ id: `${i}`, data: { label: 'Source' }, position: { x, y } });
|
||||
|
||||
edges.push({
|
||||
id: `edge-${i}`,
|
||||
target: 'target',
|
||||
source: `${i}`,
|
||||
type: 'floating',
|
||||
});
|
||||
}
|
||||
|
||||
return { nodes, edges };
|
||||
}
|
||||
@@ -0,0 +1,102 @@
|
||||
import { useState, useEffect, useCallback } from 'react';
|
||||
|
||||
import {
|
||||
ReactFlow,
|
||||
addEdge,
|
||||
Connection,
|
||||
Edge,
|
||||
Node,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
MiniMap,
|
||||
Controls,
|
||||
} from '@xyflow/react';
|
||||
|
||||
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]);
|
||||
|
||||
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;
|
||||
@@ -0,0 +1,241 @@
|
||||
import { useState, MouseEvent as ReactMouseEvent, WheelEvent } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
addEdge,
|
||||
Node,
|
||||
Connection,
|
||||
Edge,
|
||||
PanOnScrollMode,
|
||||
Viewport,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
Controls,
|
||||
MiniMap,
|
||||
} from '@xyflow/react';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'input',
|
||||
data: { label: 'Node 1' },
|
||||
position: { x: 250, y: 5 },
|
||||
},
|
||||
{ id: '2', data: { label: 'Node 2' }, position: { x: 100, y: 100 } },
|
||||
{ id: '3', data: { label: 'Node 3' }, position: { x: 400, y: 100 } },
|
||||
{ id: '4', data: { label: 'Node 4' }, position: { x: 400, y: 200 } },
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [
|
||||
{ id: 'e1-2', source: '1', target: '2', animated: true },
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
];
|
||||
|
||||
const onNodeDragStart = (_: ReactMouseEvent, node: Node) => console.log('drag start', node);
|
||||
const onNodeDragStop = (_: ReactMouseEvent, node: Node) => console.log('drag stop', node);
|
||||
const onNodeClick = (_: ReactMouseEvent, node: Node) => console.log('click', node);
|
||||
const onEdgeClick = (_: ReactMouseEvent, edge: Edge) => console.log('click', edge);
|
||||
const onPaneClick = (event: ReactMouseEvent) => console.log('onPaneClick', event);
|
||||
const onPaneScroll = (event?: WheelEvent) => console.log('onPaneScroll', event);
|
||||
const onPaneContextMenu = (event: ReactMouseEvent) => console.log('onPaneContextMenu', event);
|
||||
const onMoveEnd = (_: TouchEvent | MouseEvent | null, viewport: Viewport) => console.log('onMoveEnd', viewport);
|
||||
|
||||
const InteractionFlow = () => {
|
||||
const [nodes, , onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = (params: Connection | Edge) => setEdges((els) => addEdge(params, els));
|
||||
|
||||
const [isSelectable, setIsSelectable] = useState<boolean>(false);
|
||||
const [isDraggable, setIsDraggable] = useState<boolean>(false);
|
||||
const [isConnectable, setIsConnectable] = useState<boolean>(false);
|
||||
const [zoomOnScroll, setZoomOnScroll] = useState<boolean>(false);
|
||||
const [zoomOnPinch, setZoomOnPinch] = useState<boolean>(false);
|
||||
const [panOnScroll, setPanOnScroll] = useState<boolean>(false);
|
||||
const [panOnScrollMode, setPanOnScrollMode] = useState<PanOnScrollMode>(PanOnScrollMode.Free);
|
||||
const [zoomOnDoubleClick, setZoomOnDoubleClick] = useState<boolean>(false);
|
||||
const [panOnDrag, setPanOnDrag] = useState<boolean>(true);
|
||||
const [captureZoomClick, setCaptureZoomClick] = useState<boolean>(false);
|
||||
const [captureZoomScroll, setCaptureZoomScroll] = useState<boolean>(false);
|
||||
const [captureElementClick, setCaptureElementClick] = useState<boolean>(false);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
elementsSelectable={isSelectable}
|
||||
nodesConnectable={isConnectable}
|
||||
nodesDraggable={isDraggable}
|
||||
zoomOnScroll={zoomOnScroll}
|
||||
zoomOnPinch={zoomOnPinch}
|
||||
panOnScroll={panOnScroll}
|
||||
panOnScrollMode={panOnScrollMode}
|
||||
zoomOnDoubleClick={zoomOnDoubleClick}
|
||||
onConnect={onConnect}
|
||||
onNodeClick={captureElementClick ? onNodeClick : undefined}
|
||||
onEdgeClick={captureElementClick ? onEdgeClick : undefined}
|
||||
onNodeDragStart={onNodeDragStart}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
panOnDrag={panOnDrag}
|
||||
onPaneClick={captureZoomClick ? onPaneClick : undefined}
|
||||
onPaneScroll={captureZoomScroll ? onPaneScroll : undefined}
|
||||
onPaneContextMenu={captureZoomClick ? onPaneContextMenu : undefined}
|
||||
onMoveEnd={onMoveEnd}
|
||||
>
|
||||
<MiniMap />
|
||||
<Controls />
|
||||
|
||||
<div style={{ position: 'absolute', left: 10, top: 10, zIndex: 4 }}>
|
||||
<div>
|
||||
<label htmlFor="draggable">
|
||||
nodesDraggable
|
||||
<input
|
||||
id="draggable"
|
||||
type="checkbox"
|
||||
checked={isDraggable}
|
||||
onChange={(event) => setIsDraggable(event.target.checked)}
|
||||
className="react-flow__draggable"
|
||||
/>
|
||||
</label>
|
||||
</div>
|
||||
<div>
|
||||
<label htmlFor="connectable">
|
||||
nodesConnectable
|
||||
<input
|
||||
id="connectable"
|
||||
type="checkbox"
|
||||
checked={isConnectable}
|
||||
onChange={(event) => setIsConnectable(event.target.checked)}
|
||||
className="react-flow__connectable"
|
||||
/>
|
||||
</label>
|
||||
</div>
|
||||
<div>
|
||||
<label htmlFor="selectable">
|
||||
elementsSelectable
|
||||
<input
|
||||
id="selectable"
|
||||
type="checkbox"
|
||||
checked={isSelectable}
|
||||
onChange={(event) => setIsSelectable(event.target.checked)}
|
||||
className="react-flow__selectable"
|
||||
/>
|
||||
</label>
|
||||
</div>
|
||||
<div>
|
||||
<label htmlFor="zoomonscroll">
|
||||
zoomOnScroll
|
||||
<input
|
||||
id="zoomonscroll"
|
||||
type="checkbox"
|
||||
checked={zoomOnScroll}
|
||||
onChange={(event) => setZoomOnScroll(event.target.checked)}
|
||||
className="react-flow__zoomonscroll"
|
||||
/>
|
||||
</label>
|
||||
</div>
|
||||
<div>
|
||||
<label htmlFor="zoomonpinch">
|
||||
zoomOnPinch
|
||||
<input
|
||||
id="zoomonpinch"
|
||||
type="checkbox"
|
||||
checked={zoomOnPinch}
|
||||
onChange={(event) => setZoomOnPinch(event.target.checked)}
|
||||
className="react-flow__zoomonpinch"
|
||||
/>
|
||||
</label>
|
||||
</div>
|
||||
<div>
|
||||
<label htmlFor="panonscroll">
|
||||
panOnScroll
|
||||
<input
|
||||
id="panonscroll"
|
||||
type="checkbox"
|
||||
checked={panOnScroll}
|
||||
onChange={(event) => setPanOnScroll(event.target.checked)}
|
||||
className="react-flow__panonscroll"
|
||||
/>
|
||||
</label>
|
||||
</div>
|
||||
<div>
|
||||
<label htmlFor="panonscrollmode">
|
||||
panOnScrollMode
|
||||
<select
|
||||
id="panonscrollmode"
|
||||
value={panOnScrollMode}
|
||||
onChange={(event) => setPanOnScrollMode(event.target.value as PanOnScrollMode)}
|
||||
className="react-flow__panonscrollmode"
|
||||
>
|
||||
<option value="free">free</option>
|
||||
<option value="horizontal">horizontal</option>
|
||||
<option value="vertical">vertical</option>
|
||||
</select>
|
||||
</label>
|
||||
</div>
|
||||
<div>
|
||||
<label htmlFor="zoomondbl">
|
||||
zoomOnDoubleClick
|
||||
<input
|
||||
id="zoomondbl"
|
||||
type="checkbox"
|
||||
checked={zoomOnDoubleClick}
|
||||
onChange={(event) => setZoomOnDoubleClick(event.target.checked)}
|
||||
className="react-flow__zoomondbl"
|
||||
/>
|
||||
</label>
|
||||
</div>
|
||||
<div>
|
||||
<label htmlFor="panondrag">
|
||||
panOnDrag
|
||||
<input
|
||||
id="panondrag"
|
||||
type="checkbox"
|
||||
checked={panOnDrag}
|
||||
onChange={(event) => setPanOnDrag(event.target.checked)}
|
||||
className="react-flow__panondrag"
|
||||
/>
|
||||
</label>
|
||||
</div>
|
||||
<div>
|
||||
<label htmlFor="capturezoompaneclick">
|
||||
capture onPaneClick
|
||||
<input
|
||||
id="capturezoompaneclick"
|
||||
type="checkbox"
|
||||
checked={captureZoomClick}
|
||||
onChange={(event) => setCaptureZoomClick(event.target.checked)}
|
||||
className="react-flow__capturezoompaneclick"
|
||||
/>
|
||||
</label>
|
||||
</div>
|
||||
<div>
|
||||
<label htmlFor="capturezoompanescroll">
|
||||
capture onPaneScroll
|
||||
<input
|
||||
id="capturezoompanescroll"
|
||||
type="checkbox"
|
||||
checked={captureZoomScroll}
|
||||
onChange={(event) => setCaptureZoomScroll(event.target.checked)}
|
||||
className="react-flow__capturezoompanescroll"
|
||||
/>
|
||||
</label>
|
||||
</div>
|
||||
<div>
|
||||
<label htmlFor="captureelementclick">
|
||||
capture onElementClick
|
||||
<input
|
||||
id="captureelementclick"
|
||||
type="checkbox"
|
||||
checked={captureElementClick}
|
||||
onChange={(event) => setCaptureElementClick(event.target.checked)}
|
||||
className="react-flow__captureelementclick"
|
||||
/>
|
||||
</label>
|
||||
</div>
|
||||
</div>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default InteractionFlow;
|
||||
@@ -0,0 +1,173 @@
|
||||
import { MouseEvent, useCallback, useState } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
MiniMap,
|
||||
Background,
|
||||
BackgroundVariant,
|
||||
Controls,
|
||||
ReactFlowProvider,
|
||||
Node,
|
||||
Edge,
|
||||
useReactFlow,
|
||||
XYPosition,
|
||||
} from '@xyflow/react';
|
||||
|
||||
const onNodeDrag = (_: MouseEvent, node: Node) => console.log('drag', node);
|
||||
const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
data: { label: 'Node 1' },
|
||||
position: { x: 0, y: 0 },
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
data: { label: 'Node 2' },
|
||||
position: { x: 0, y: 200 },
|
||||
},
|
||||
{
|
||||
id: '3',
|
||||
data: { label: 'Node 3' },
|
||||
position: { x: 200, y: 0 },
|
||||
},
|
||||
|
||||
{
|
||||
id: '4',
|
||||
data: { label: 'Node 4' },
|
||||
position: { x: 1000, y: 0 },
|
||||
},
|
||||
{
|
||||
id: '5',
|
||||
data: { label: 'Node 5' },
|
||||
position: { x: 1000, y: 200 },
|
||||
},
|
||||
{
|
||||
id: '6',
|
||||
data: { label: 'Node 6' },
|
||||
position: { x: 800, y: 0 },
|
||||
},
|
||||
|
||||
{
|
||||
id: '7',
|
||||
data: { label: 'Node 4' },
|
||||
position: { x: 0, y: 1000 },
|
||||
},
|
||||
{
|
||||
id: '8',
|
||||
data: { label: 'Node 5' },
|
||||
position: { x: 0, y: 800 },
|
||||
},
|
||||
{
|
||||
id: '9',
|
||||
data: { label: 'Node 6' },
|
||||
position: { x: 200, y: 1000 },
|
||||
},
|
||||
|
||||
{
|
||||
id: '10',
|
||||
data: { label: 'Node 4' },
|
||||
position: { x: 1000, y: 1000 },
|
||||
},
|
||||
{
|
||||
id: '11',
|
||||
data: { label: 'Node 5' },
|
||||
position: { x: 800, y: 1000 },
|
||||
},
|
||||
{
|
||||
id: '12',
|
||||
data: { label: 'Node 6' },
|
||||
position: { x: 1000, y: 800 },
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [];
|
||||
|
||||
const defaultEdgeOptions = { zIndex: 0 };
|
||||
|
||||
const BasicFlow = () => {
|
||||
const instance = useReactFlow();
|
||||
const [inverse, setInverse] = useState(false);
|
||||
|
||||
const updatePos = () => {
|
||||
instance.setNodes((nodes) =>
|
||||
nodes.map((node) => {
|
||||
node.position = {
|
||||
x: Math.random() * 400,
|
||||
y: Math.random() * 400,
|
||||
};
|
||||
|
||||
return node;
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
const logToObject = () => console.log(instance.toObject());
|
||||
const resetTransform = () => instance.setViewport({ x: 0, y: 0, zoom: 1 });
|
||||
const toggleInverse = () => setInverse(!inverse);
|
||||
|
||||
const toggleClassnames = () => {
|
||||
instance.setNodes((nodes) =>
|
||||
nodes.map((node) => {
|
||||
node.className = node.className === 'light' ? 'dark' : 'light';
|
||||
|
||||
return node;
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
const onMiniMapClick = useCallback((event: MouseEvent, pos: XYPosition) => {
|
||||
console.log(pos);
|
||||
}, []);
|
||||
|
||||
const onMiniMapNodeClick = useCallback((event: MouseEvent, node: Node) => {
|
||||
console.log(node);
|
||||
}, []);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
defaultNodes={initialNodes}
|
||||
defaultEdges={initialEdges}
|
||||
onNodeClick={onNodeClick}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
onNodeDrag={onNodeDrag}
|
||||
className="react-flow-basic-example"
|
||||
minZoom={0.2}
|
||||
maxZoom={4}
|
||||
defaultEdgeOptions={defaultEdgeOptions}
|
||||
selectNodesOnDrag={false}
|
||||
fitView
|
||||
>
|
||||
<Background variant={BackgroundVariant.Dots} />
|
||||
<MiniMap onClick={onMiniMapClick} onNodeClick={onMiniMapNodeClick} pannable zoomable inversePan={inverse} />
|
||||
<Controls />
|
||||
|
||||
<div style={{ position: 'absolute', right: 10, top: 10, zIndex: 4 }}>
|
||||
<button onClick={resetTransform} style={{ marginRight: 5 }}>
|
||||
reset transform
|
||||
</button>
|
||||
<button onClick={updatePos} style={{ marginRight: 5 }}>
|
||||
change pos
|
||||
</button>
|
||||
<button onClick={toggleClassnames} style={{ marginRight: 5 }}>
|
||||
toggle classnames
|
||||
</button>
|
||||
<button onClick={logToObject} style={{ marginRight: 5 }}>
|
||||
toObject
|
||||
</button>
|
||||
<button onClick={toggleInverse} style={{ marginRight: 5 }}>
|
||||
{inverse ? 'un-inverse pan' : 'inverse pan'}
|
||||
</button>
|
||||
</div>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default function App() {
|
||||
return (
|
||||
<ReactFlowProvider>
|
||||
<BasicFlow />
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,105 @@
|
||||
import { useCallback, MouseEvent } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
MiniMap,
|
||||
Background,
|
||||
Controls,
|
||||
ReactFlowProvider,
|
||||
Node,
|
||||
Edge,
|
||||
useReactFlow,
|
||||
useNodesState,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import './style.css';
|
||||
|
||||
const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'input',
|
||||
data: { label: 'Node 1' },
|
||||
position: { x: 0, y: 0 },
|
||||
className: 'light',
|
||||
style: {
|
||||
width: 200,
|
||||
height: 100,
|
||||
},
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
data: { label: 'Node 2' },
|
||||
position: { x: 0, y: 150 },
|
||||
className: 'light',
|
||||
},
|
||||
{
|
||||
id: '3',
|
||||
data: { label: 'Node 3' },
|
||||
position: { x: 250, y: 0 },
|
||||
className: 'light',
|
||||
},
|
||||
{
|
||||
id: '4',
|
||||
data: { label: 'Node' },
|
||||
position: { x: 350, y: 150 },
|
||||
style: {
|
||||
width: 50,
|
||||
height: 50,
|
||||
},
|
||||
className: 'light',
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [];
|
||||
|
||||
const defaultEdgeOptions = { zIndex: 0 };
|
||||
|
||||
const BasicFlow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const { getIntersectingNodes, isNodeIntersecting } = useReactFlow();
|
||||
|
||||
const onNodeDrag = useCallback((_: MouseEvent, node: Node) => {
|
||||
const intersections = getIntersectingNodes(node).map((n) => n.id);
|
||||
const isIntersecting = isNodeIntersecting(node, { x: 0, y: 0, width: 100, height: 100 });
|
||||
|
||||
console.log(isIntersecting);
|
||||
|
||||
setNodes((ns) =>
|
||||
ns.map((n) => ({
|
||||
...n,
|
||||
className: intersections.includes(n.id) ? 'highlight' : '',
|
||||
}))
|
||||
);
|
||||
}, []);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={initialEdges}
|
||||
onNodesChange={onNodesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
onNodeDrag={onNodeDrag}
|
||||
className="react-flow-basic-example"
|
||||
minZoom={0.2}
|
||||
maxZoom={4}
|
||||
fitView
|
||||
defaultEdgeOptions={defaultEdgeOptions}
|
||||
selectNodesOnDrag={false}
|
||||
>
|
||||
<Background />
|
||||
<MiniMap />
|
||||
<Controls />
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default function App() {
|
||||
return (
|
||||
<ReactFlowProvider>
|
||||
<BasicFlow />
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,4 @@
|
||||
.react-flow__node.highlight {
|
||||
background-color: #ff5050;
|
||||
color: white;
|
||||
}
|
||||
@@ -0,0 +1,118 @@
|
||||
import { useCallback } from 'react';
|
||||
import dagre from 'dagre';
|
||||
import {
|
||||
ReactFlow,
|
||||
Controls,
|
||||
ReactFlowProvider,
|
||||
addEdge,
|
||||
Connection,
|
||||
CoordinateExtent,
|
||||
Position,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
MarkerType,
|
||||
EdgeMarker,
|
||||
Panel,
|
||||
useReactFlow,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import initialItems from './initial-elements';
|
||||
|
||||
import styles from './layouting.module.css';
|
||||
|
||||
const dagreGraph = new dagre.graphlib.Graph();
|
||||
dagreGraph.setDefaultEdgeLabel(() => ({}));
|
||||
|
||||
const nodeExtent: CoordinateExtent = [
|
||||
[0, 0],
|
||||
[1000, 1000],
|
||||
];
|
||||
|
||||
const LayoutFlow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialItems.nodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialItems.edges);
|
||||
const { fitView } = useReactFlow();
|
||||
|
||||
const onConnect = useCallback(
|
||||
(connection: Connection) => {
|
||||
setEdges((eds) => addEdge(connection, eds));
|
||||
},
|
||||
[setEdges]
|
||||
);
|
||||
|
||||
const onLayout = (direction: string) => {
|
||||
const isHorizontal = direction === 'LR';
|
||||
dagreGraph.setGraph({ rankdir: direction });
|
||||
|
||||
nodes.forEach((node) => {
|
||||
dagreGraph.setNode(node.id, { width: 150, height: 50 });
|
||||
});
|
||||
|
||||
edges.forEach((edge) => {
|
||||
dagreGraph.setEdge(edge.source, edge.target);
|
||||
});
|
||||
|
||||
dagre.layout(dagreGraph);
|
||||
|
||||
const layoutedNodes = nodes.map((node) => {
|
||||
const nodeWithPosition = dagreGraph.node(node.id);
|
||||
node.targetPosition = isHorizontal ? Position.Left : Position.Top;
|
||||
node.sourcePosition = isHorizontal ? Position.Right : Position.Bottom;
|
||||
// we need to pass a slightly different position in order to notify react flow about the change
|
||||
// @TODO how can we change the position handling so that we dont need this hack?
|
||||
node.position = {
|
||||
x: nodeWithPosition.x + Math.random() / 1000,
|
||||
y: nodeWithPosition.y,
|
||||
};
|
||||
|
||||
return node;
|
||||
});
|
||||
|
||||
setNodes(layoutedNodes);
|
||||
};
|
||||
|
||||
const unselect = () => {
|
||||
setNodes((nds) => nds.map((n) => ({ ...n, selected: false })));
|
||||
};
|
||||
|
||||
const changeMarker = () => {
|
||||
setEdges((eds) =>
|
||||
eds.map((e) => ({
|
||||
...e,
|
||||
markerEnd: {
|
||||
type: (e.markerEnd as EdgeMarker)?.type === MarkerType.Arrow ? MarkerType.ArrowClosed : MarkerType.Arrow,
|
||||
},
|
||||
}))
|
||||
);
|
||||
};
|
||||
|
||||
return (
|
||||
<div className={styles.layoutflow}>
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onConnect={onConnect}
|
||||
nodeExtent={nodeExtent}
|
||||
onInit={() => onLayout('TB')}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
>
|
||||
<Controls />
|
||||
</ReactFlow>
|
||||
<Panel position="top-right">
|
||||
<button onClick={() => onLayout('TB')}>vertical layout</button>
|
||||
<button onClick={() => onLayout('LR')}>horizontal layout</button>
|
||||
<button onClick={() => unselect()}>unselect nodes</button>
|
||||
<button onClick={() => changeMarker()}>change marker</button>
|
||||
<button onClick={() => fitView()}>fitView</button>
|
||||
<button onClick={() => fitView({ nodes: nodes.slice(0, 2) })}>fitView partially</button>
|
||||
</Panel>
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
export default () => (
|
||||
<ReactFlowProvider>
|
||||
<LayoutFlow />
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
@@ -0,0 +1,135 @@
|
||||
import { Node, Edge, XYPosition, MarkerType } from '@xyflow/react';
|
||||
|
||||
const position: XYPosition = { x: 0, y: 0 };
|
||||
|
||||
const nodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'input',
|
||||
data: { label: 'input' },
|
||||
position,
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
data: { label: 'node 2' },
|
||||
position,
|
||||
},
|
||||
{
|
||||
id: '2a',
|
||||
data: { label: 'node 2a' },
|
||||
position,
|
||||
},
|
||||
{
|
||||
id: '2b',
|
||||
data: { label: 'node 2b' },
|
||||
position,
|
||||
},
|
||||
{
|
||||
id: '2c',
|
||||
data: { label: 'node 2c' },
|
||||
position,
|
||||
},
|
||||
{
|
||||
id: '2d',
|
||||
data: { label: 'node 2d' },
|
||||
position,
|
||||
},
|
||||
{
|
||||
id: '3',
|
||||
data: { label: 'node 3' },
|
||||
position,
|
||||
},
|
||||
{
|
||||
id: '4',
|
||||
data: { label: 'node 4' },
|
||||
position,
|
||||
},
|
||||
{
|
||||
id: '5',
|
||||
data: { label: 'node 5' },
|
||||
position,
|
||||
},
|
||||
{
|
||||
id: '6',
|
||||
type: 'output',
|
||||
data: { label: 'output' },
|
||||
position,
|
||||
},
|
||||
{
|
||||
id: '7',
|
||||
type: 'output',
|
||||
data: { label: 'output' },
|
||||
position: { x: 400, y: 450 },
|
||||
},
|
||||
];
|
||||
|
||||
const edges: Edge[] = [
|
||||
{
|
||||
id: 'e12',
|
||||
source: '1',
|
||||
target: '2',
|
||||
type: 'smoothstep',
|
||||
markerEnd: { type: MarkerType.Arrow },
|
||||
},
|
||||
{
|
||||
id: 'e13',
|
||||
source: '1',
|
||||
target: '3',
|
||||
type: 'smoothstep',
|
||||
markerEnd: { type: MarkerType.Arrow },
|
||||
},
|
||||
{
|
||||
id: 'e22a',
|
||||
source: '2',
|
||||
target: '2a',
|
||||
type: 'smoothstep',
|
||||
markerEnd: { type: MarkerType.Arrow },
|
||||
},
|
||||
{
|
||||
id: 'e22b',
|
||||
source: '2',
|
||||
target: '2b',
|
||||
type: 'smoothstep',
|
||||
markerEnd: { type: MarkerType.Arrow },
|
||||
},
|
||||
{
|
||||
id: 'e22c',
|
||||
source: '2',
|
||||
target: '2c',
|
||||
type: 'smoothstep',
|
||||
markerEnd: { type: MarkerType.Arrow },
|
||||
},
|
||||
{
|
||||
id: 'e2c2d',
|
||||
source: '2c',
|
||||
target: '2d',
|
||||
type: 'smoothstep',
|
||||
markerEnd: { type: MarkerType.Arrow },
|
||||
},
|
||||
|
||||
{
|
||||
id: 'e45',
|
||||
source: '4',
|
||||
target: '5',
|
||||
type: 'smoothstep',
|
||||
markerEnd: { type: MarkerType.Arrow },
|
||||
},
|
||||
{
|
||||
id: 'e56',
|
||||
source: '5',
|
||||
target: '6',
|
||||
type: 'smoothstep',
|
||||
markerEnd: { type: MarkerType.Arrow },
|
||||
},
|
||||
{
|
||||
id: 'e57',
|
||||
source: '5',
|
||||
target: '7',
|
||||
type: 'smoothstep',
|
||||
markerEnd: { type: MarkerType.Arrow },
|
||||
},
|
||||
];
|
||||
|
||||
const nodesAndEdges = { nodes, edges };
|
||||
|
||||
export default nodesAndEdges;
|
||||
@@ -0,0 +1,4 @@
|
||||
.layoutflow {
|
||||
flex-grow: 1;
|
||||
position: relative;
|
||||
}
|
||||
@@ -0,0 +1,87 @@
|
||||
import { FC } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
Background,
|
||||
addEdge,
|
||||
Node,
|
||||
Edge,
|
||||
Connection,
|
||||
ReactFlowProvider,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
MarkerType,
|
||||
MiniMap,
|
||||
} from '@xyflow/react';
|
||||
|
||||
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 />
|
||||
<MiniMap />
|
||||
</ReactFlow>
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
};
|
||||
|
||||
const MultiFlows: FC = () => (
|
||||
<div className={styles.multiflows}>
|
||||
<Flow id="flow-a" />
|
||||
<Flow id="flow-b" />
|
||||
</div>
|
||||
);
|
||||
|
||||
export default MultiFlows;
|
||||
@@ -0,0 +1,13 @@
|
||||
.multiflows {
|
||||
display: flex;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
.multiflows :global .react-flow {
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
.multiflows :global .react-flow:first-child {
|
||||
border-right: 2px solid #333;
|
||||
}
|
||||
@@ -0,0 +1,187 @@
|
||||
import { useState, MouseEvent, useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
Controls,
|
||||
MiniMap,
|
||||
Background,
|
||||
addEdge,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
Node,
|
||||
Edge,
|
||||
ReactFlowInstance,
|
||||
Connection,
|
||||
} from '@xyflow/react';
|
||||
|
||||
const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
const onEdgeClick = (_: MouseEvent, edge: Edge) => console.log('click', edge);
|
||||
|
||||
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',
|
||||
style: { backgroundColor: 'rgba(255, 0, 0, 0.8)', width: 200, height: 200 },
|
||||
},
|
||||
{
|
||||
id: '2a',
|
||||
data: { label: 'Node 2a' },
|
||||
position: { x: 10, y: 50 },
|
||||
parentNode: '2',
|
||||
},
|
||||
{
|
||||
id: '3',
|
||||
data: { label: 'Node 3' },
|
||||
position: { x: 320, y: 100 },
|
||||
className: 'light',
|
||||
},
|
||||
{
|
||||
id: '4',
|
||||
data: { label: 'Node 4' },
|
||||
position: { x: 320, y: 200 },
|
||||
className: 'light',
|
||||
style: { backgroundColor: 'rgba(255, 0, 0, 0.7)', width: 300, height: 300 },
|
||||
},
|
||||
{
|
||||
id: '4a',
|
||||
data: { label: 'Node 4a' },
|
||||
position: { x: 15, y: 65 },
|
||||
className: 'light',
|
||||
parentNode: '4',
|
||||
extent: 'parent',
|
||||
},
|
||||
{
|
||||
id: '4b',
|
||||
data: { label: 'Node 4b' },
|
||||
position: { x: 15, y: 120 },
|
||||
className: 'light',
|
||||
style: {
|
||||
backgroundColor: 'rgba(255, 0, 255, 0.7)',
|
||||
height: 150,
|
||||
width: 270,
|
||||
},
|
||||
parentNode: '4',
|
||||
},
|
||||
{
|
||||
id: '4b1',
|
||||
data: { label: 'Node 4b1' },
|
||||
position: { x: 20, y: 40 },
|
||||
className: 'light',
|
||||
parentNode: '4b',
|
||||
},
|
||||
{
|
||||
id: '4b2',
|
||||
data: { label: 'Node 4b2' },
|
||||
position: { x: 100, y: 100 },
|
||||
className: 'light',
|
||||
parentNode: '4b',
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [
|
||||
{ id: 'e1-2', source: '1', target: '2', animated: true },
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
{ id: 'e2a-4a', source: '2a', target: '4a' },
|
||||
{ id: 'e3-4', source: '3', target: '4' },
|
||||
{ id: 'e3-4b', source: '3', target: '4b' },
|
||||
{ id: 'e4a-4b1', source: '4a', target: '4b1' },
|
||||
{ id: 'e4a-4b2', source: '4a', target: '4b2' },
|
||||
{ id: 'e4b1-4b2', source: '4b1', target: '4b2' },
|
||||
];
|
||||
|
||||
const NestedFlow = () => {
|
||||
const [rfInstance, setRfInstance] = useState<ReactFlowInstance | null>(null);
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
|
||||
const onConnect = useCallback(
|
||||
(connection: Connection) => {
|
||||
setEdges((eds) => addEdge(connection, eds));
|
||||
},
|
||||
[setEdges]
|
||||
);
|
||||
const onInit = useCallback((reactFlowInstance: ReactFlowInstance) => setRfInstance(reactFlowInstance), []);
|
||||
|
||||
const updatePos = () => {
|
||||
setNodes((nds) => {
|
||||
return nds.map((n) => {
|
||||
n.position = {
|
||||
x: Math.random() * 400,
|
||||
y: Math.random() * 400,
|
||||
};
|
||||
|
||||
return n;
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
const logToObject = () => console.log(rfInstance?.toObject());
|
||||
const resetTransform = () => rfInstance?.setViewport({ x: 0, y: 0, zoom: 1 });
|
||||
|
||||
const toggleClassnames = () => {
|
||||
setNodes((nds) => {
|
||||
return nds.map((n) => {
|
||||
n.className = n.className === 'light' ? 'dark' : 'light';
|
||||
return n;
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
const toggleChildNodes = () => {
|
||||
setNodes((nds) => {
|
||||
return nds.map((n) => {
|
||||
n.hidden = !!n.parentNode && !n.hidden;
|
||||
return n;
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onInit={onInit}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onEdgeClick={onEdgeClick}
|
||||
onConnect={onConnect}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
className="react-flow-basic-example"
|
||||
minZoom={0.2}
|
||||
maxZoom={4}
|
||||
onlyRenderVisibleElements={false}
|
||||
>
|
||||
<MiniMap pannable />
|
||||
<Controls />
|
||||
<Background />
|
||||
|
||||
<div style={{ position: 'absolute', right: 10, top: 10, zIndex: 4 }}>
|
||||
<button onClick={resetTransform} style={{ marginRight: 5 }}>
|
||||
reset transform
|
||||
</button>
|
||||
<button onClick={updatePos} style={{ marginRight: 5 }}>
|
||||
change pos
|
||||
</button>
|
||||
<button onClick={toggleClassnames} style={{ marginRight: 5 }}>
|
||||
toggle classnames
|
||||
</button>
|
||||
<button style={{ marginRight: 5 }} onClick={toggleChildNodes}>
|
||||
toggleChildNodes
|
||||
</button>
|
||||
<button onClick={logToObject}>toObject</button>
|
||||
</div>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default NestedFlow;
|
||||
@@ -0,0 +1,36 @@
|
||||
import { memo, FC } from 'react';
|
||||
import { Handle, Position, NodeProps, NodeResizeControl } from '@xyflow/react';
|
||||
|
||||
import ResizeIcon from './ResizeIcon';
|
||||
|
||||
const controlStyle = {
|
||||
background: 'transparent',
|
||||
border: 'none',
|
||||
};
|
||||
|
||||
const CustomResizerNode: FC<NodeProps> = ({ data }) => {
|
||||
return (
|
||||
<>
|
||||
<NodeResizeControl
|
||||
minWidth={data.minWidth ?? undefined}
|
||||
maxWidth={data.maxWidth ?? undefined}
|
||||
minHeight={data.minHeight ?? undefined}
|
||||
maxHeight={data.maxHeight ?? undefined}
|
||||
shouldResize={data.shouldResize ?? undefined}
|
||||
onResizeStart={data.onResizeStart ?? undefined}
|
||||
onResize={data.onResize ?? undefined}
|
||||
onResizeEnd={data.onResizeEnd ?? undefined}
|
||||
keepAspectRatio={data.keepAspectRatio ?? undefined}
|
||||
style={controlStyle}
|
||||
>
|
||||
<ResizeIcon />
|
||||
</NodeResizeControl>
|
||||
|
||||
<Handle type="target" position={Position.Left} />
|
||||
<div>{data.label}</div>
|
||||
<Handle type="source" position={Position.Right} />
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(CustomResizerNode);
|
||||
@@ -0,0 +1,26 @@
|
||||
import { memo, FC } from 'react';
|
||||
import { Handle, Position, NodeProps, NodeResizer } from '@xyflow/react';
|
||||
|
||||
const DefaultResizerNode: FC<NodeProps> = ({ data, selected }) => {
|
||||
return (
|
||||
<>
|
||||
<NodeResizer
|
||||
minWidth={data.minWidth ?? undefined}
|
||||
maxWidth={data.maxWidth ?? undefined}
|
||||
minHeight={data.minHeight ?? undefined}
|
||||
maxHeight={data.maxHeight ?? undefined}
|
||||
isVisible={data.isVisible ?? selected}
|
||||
shouldResize={data.shouldResize ?? undefined}
|
||||
onResizeStart={data.onResizeStart ?? undefined}
|
||||
onResize={data.onResize ?? undefined}
|
||||
onResizeEnd={data.onResizeEnd ?? undefined}
|
||||
keepAspectRatio={data.keepAspectRatio ?? undefined}
|
||||
/>
|
||||
<Handle type="target" position={Position.Left} />
|
||||
<div>{data.label}</div>
|
||||
<Handle type="source" position={Position.Right} />
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(DefaultResizerNode);
|
||||
@@ -0,0 +1,40 @@
|
||||
import { memo, FC } from 'react';
|
||||
import { Handle, Position, NodeProps, NodeResizeControl } from '@xyflow/react';
|
||||
|
||||
const HorizontalResizerNode: FC<NodeProps> = ({ data }) => {
|
||||
return (
|
||||
<>
|
||||
<NodeResizeControl
|
||||
minWidth={data.minWidth ?? undefined}
|
||||
maxWidth={data.maxWidth ?? undefined}
|
||||
minHeight={data.minHeight ?? undefined}
|
||||
maxHeight={data.maxHeight ?? undefined}
|
||||
shouldResize={data.shouldResize ?? undefined}
|
||||
onResizeStart={data.onResizeStart ?? undefined}
|
||||
onResize={data.onResize ?? undefined}
|
||||
onResizeEnd={data.onResizeEnd ?? undefined}
|
||||
keepAspectRatio={data.keepAspectRatio ?? undefined}
|
||||
color="red"
|
||||
position={Position.Left}
|
||||
/>
|
||||
<NodeResizeControl
|
||||
minWidth={data.minWidth ?? undefined}
|
||||
maxWidth={data.maxWidth ?? undefined}
|
||||
minHeight={data.minHeight ?? undefined}
|
||||
maxHeight={data.maxHeight ?? undefined}
|
||||
shouldResize={data.shouldResize ?? undefined}
|
||||
onResizeStart={data.onResizeStart ?? undefined}
|
||||
onResize={data.onResize ?? undefined}
|
||||
onResizeEnd={data.onResizeEnd ?? undefined}
|
||||
keepAspectRatio={data.keepAspectRatio ?? undefined}
|
||||
color="red"
|
||||
position={Position.Right}
|
||||
/>
|
||||
<Handle type="target" position={Position.Top} />
|
||||
<div style={{ padding: 10 }}>{data.label}</div>
|
||||
<Handle type="source" position={Position.Bottom} />
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(HorizontalResizerNode);
|
||||
@@ -0,0 +1,24 @@
|
||||
function ResizeIcon() {
|
||||
return (
|
||||
<svg
|
||||
xmlns="http://www.w3.org/2000/svg"
|
||||
width="8"
|
||||
height="8"
|
||||
viewBox="0 0 24 24"
|
||||
strokeWidth="2"
|
||||
stroke="currentColor"
|
||||
fill="none"
|
||||
strokeLinecap="round"
|
||||
strokeLinejoin="round"
|
||||
style={{ position: 'absolute', right: 2, bottom: 2 }}
|
||||
>
|
||||
<path stroke="none" d="M0 0h24v24H0z" fill="none" />
|
||||
<polyline points="16 20 20 20 20 16" />
|
||||
<line x1="14" y1="14" x2="20" y2="20" />
|
||||
<polyline points="8 4 4 4 4 8" />
|
||||
<line x1="4" y1="4" x2="10" y2="10" />
|
||||
</svg>
|
||||
);
|
||||
}
|
||||
|
||||
export default ResizeIcon;
|
||||
@@ -0,0 +1,40 @@
|
||||
import { memo, FC } from 'react';
|
||||
import { Handle, Position, NodeProps, NodeResizeControl } from '@xyflow/react';
|
||||
|
||||
const CustomNode: FC<NodeProps> = ({ id, data }) => {
|
||||
return (
|
||||
<>
|
||||
<NodeResizeControl
|
||||
minWidth={data.minWidth ?? undefined}
|
||||
maxWidth={data.maxWidth ?? undefined}
|
||||
minHeight={data.minHeight ?? undefined}
|
||||
maxHeight={data.maxHeight ?? undefined}
|
||||
shouldResize={data.shouldResize ?? undefined}
|
||||
onResizeStart={data.onResizeStart ?? undefined}
|
||||
onResize={data.onResize ?? undefined}
|
||||
onResizeEnd={data.onResizeEnd ?? undefined}
|
||||
keepAspectRatio={data.keepAspectRatio ?? undefined}
|
||||
color="red"
|
||||
position={Position.Top}
|
||||
/>
|
||||
<NodeResizeControl
|
||||
minWidth={data.minWidth ?? undefined}
|
||||
maxWidth={data.maxWidth ?? undefined}
|
||||
minHeight={data.minHeight ?? undefined}
|
||||
maxHeight={data.maxHeight ?? undefined}
|
||||
shouldResize={data.shouldResize ?? undefined}
|
||||
onResizeStart={data.onResizeStart ?? undefined}
|
||||
onResize={data.onResize ?? undefined}
|
||||
onResizeEnd={data.onResizeEnd ?? undefined}
|
||||
keepAspectRatio={data.keepAspectRatio ?? undefined}
|
||||
color="red"
|
||||
position={Position.Bottom}
|
||||
/>
|
||||
<Handle type="target" position={Position.Left} />
|
||||
<div style={{ padding: 10 }}>{data.label}</div>
|
||||
<Handle type="source" position={Position.Right} />
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(CustomNode);
|
||||
@@ -0,0 +1,154 @@
|
||||
import { useCallback, useState } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
Controls,
|
||||
addEdge,
|
||||
Connection,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
Panel,
|
||||
Node,
|
||||
Edge,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import DefaultResizer from './DefaultResizer';
|
||||
import CustomResizer from './CustomResizer';
|
||||
import VerticalResizer from './VerticalResizer';
|
||||
import HorizontalResizer from './HorizontalResizer';
|
||||
|
||||
import '@xyflow/react/dist/style.css';
|
||||
|
||||
const nodeTypes = {
|
||||
defaultResizer: DefaultResizer,
|
||||
customResizer: CustomResizer,
|
||||
verticalResizer: VerticalResizer,
|
||||
horizontalResizer: HorizontalResizer,
|
||||
};
|
||||
|
||||
const nodeStyle = {
|
||||
border: '1px solid #222',
|
||||
fontSize: 10,
|
||||
backgroundColor: '#ddd',
|
||||
};
|
||||
|
||||
const initialEdges: Edge[] = [];
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'defaultResizer',
|
||||
data: { label: 'default resizer' },
|
||||
position: { x: 0, y: 0 },
|
||||
style: { ...nodeStyle },
|
||||
},
|
||||
{
|
||||
id: '1a',
|
||||
type: 'defaultResizer',
|
||||
data: {
|
||||
label: 'default resizer with min and max dimensions',
|
||||
minWidth: 100,
|
||||
minHeight: 80,
|
||||
maxWidth: 200,
|
||||
maxHeight: 200,
|
||||
},
|
||||
position: { x: 0, y: 60 },
|
||||
style: { ...nodeStyle, width: 100, height: 80 },
|
||||
},
|
||||
{
|
||||
id: '1b',
|
||||
type: 'defaultResizer',
|
||||
data: {
|
||||
label: 'default resizer with initial size and aspect ratio',
|
||||
keepAspectRatio: true,
|
||||
minWidth: 100,
|
||||
minHeight: 60,
|
||||
maxWidth: 400,
|
||||
maxHeight: 400,
|
||||
},
|
||||
position: { x: 250, y: 0 },
|
||||
style: {
|
||||
width: 174,
|
||||
height: 123,
|
||||
...nodeStyle,
|
||||
},
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
type: 'customResizer',
|
||||
data: { label: 'custom resize icon' },
|
||||
position: { x: 0, y: 200 },
|
||||
style: { width: 100, height: 60, ...nodeStyle },
|
||||
},
|
||||
{
|
||||
id: '3',
|
||||
type: 'verticalResizer',
|
||||
data: { label: 'vertical resizer' },
|
||||
position: { x: 250, y: 200 },
|
||||
style: { ...nodeStyle },
|
||||
},
|
||||
{
|
||||
id: '3a',
|
||||
type: 'verticalResizer',
|
||||
data: {
|
||||
label: 'vertical resizer with min/maxHeight and aspect ratio',
|
||||
minHeight: 50,
|
||||
maxHeight: 200,
|
||||
keepAspectRatio: true,
|
||||
},
|
||||
position: { x: 400, y: 200 },
|
||||
style: { ...nodeStyle, height: 50 },
|
||||
},
|
||||
{
|
||||
id: '4',
|
||||
type: 'horizontalResizer',
|
||||
data: {
|
||||
label: 'horizontal resizer with aspect ratio',
|
||||
keepAspectRatio: true,
|
||||
minHeight: 20,
|
||||
maxHeight: 80,
|
||||
maxWidth: 300,
|
||||
},
|
||||
position: { x: 250, y: 300 },
|
||||
style: { ...nodeStyle },
|
||||
},
|
||||
{
|
||||
id: '4a',
|
||||
type: 'horizontalResizer',
|
||||
data: { label: 'horizontal resizer with maxWidth', maxWidth: 300 },
|
||||
position: { x: 250, y: 400 },
|
||||
style: { ...nodeStyle },
|
||||
},
|
||||
];
|
||||
|
||||
const CustomNodeFlow = () => {
|
||||
const [snapToGrid, setSnapToGrid] = useState(false);
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
|
||||
const onConnect = useCallback(
|
||||
(connection: Connection) => setEdges((eds) => addEdge({ ...connection }, eds)),
|
||||
[setEdges]
|
||||
);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onConnect={onConnect}
|
||||
nodeTypes={nodeTypes}
|
||||
minZoom={0.2}
|
||||
maxZoom={5}
|
||||
snapToGrid={snapToGrid}
|
||||
fitView
|
||||
>
|
||||
<Controls />
|
||||
<Panel position="bottom-right">
|
||||
<button onClick={() => setSnapToGrid((s) => !s)}>snapToGrid: {snapToGrid ? 'on' : 'off'}</button>
|
||||
</Panel>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default CustomNodeFlow;
|
||||
@@ -0,0 +1,19 @@
|
||||
import { memo, FC } from 'react';
|
||||
import { Handle, Position, NodeProps, NodeToolbar } from '@xyflow/react';
|
||||
|
||||
const CustomNode: FC<NodeProps> = ({ id, data }) => {
|
||||
return (
|
||||
<>
|
||||
<NodeToolbar isVisible={data.toolbarVisible} position={data.toolbarPosition} align={data.toolbarAlign}>
|
||||
<button>delete</button>
|
||||
<button>copy</button>
|
||||
<button>expand</button>
|
||||
</NodeToolbar>
|
||||
<div>{data.label}</div>
|
||||
<Handle type="target" position={Position.Left} />
|
||||
<Handle type="source" position={Position.Right} />
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(CustomNode);
|
||||
@@ -0,0 +1,15 @@
|
||||
import { NodeToolbar, ReactFlowState, useStore } from '@xyflow/react';
|
||||
|
||||
const selectedNodesSelector = (state: ReactFlowState) =>
|
||||
state.nodes.filter((node) => node.selected).map((node) => node.id);
|
||||
|
||||
export default function SelectedNodesToolbar() {
|
||||
const selectedNodeIds = useStore(selectedNodesSelector);
|
||||
const isVisible = selectedNodeIds.length > 1;
|
||||
|
||||
return (
|
||||
<NodeToolbar nodeId={selectedNodeIds} isVisible={isVisible}>
|
||||
<button>Selection action</button>
|
||||
</NodeToolbar>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,76 @@
|
||||
import {
|
||||
ReactFlow,
|
||||
MiniMap,
|
||||
Background,
|
||||
BackgroundVariant,
|
||||
Controls,
|
||||
Node,
|
||||
Edge,
|
||||
NodeTypes,
|
||||
Position,
|
||||
NodeOrigin,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import CustomNode from './CustomNode';
|
||||
import SelectedNodesToolbar from './SelectedNodesToolbar';
|
||||
|
||||
const nodeTypes: NodeTypes = {
|
||||
custom: CustomNode,
|
||||
};
|
||||
|
||||
const positions = ['top', 'right', 'bottom', 'left'];
|
||||
const alignments = ['start', 'center', 'end'];
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '4',
|
||||
type: 'custom',
|
||||
data: { label: 'toolbar top', toolbarPosition: Position.Top },
|
||||
position: { x: 0, y: -200 },
|
||||
className: 'react-flow__node-default',
|
||||
},
|
||||
];
|
||||
|
||||
positions.forEach((position, posIndex) => {
|
||||
alignments.forEach((align, alignIndex) => {
|
||||
const id = `node-${align}-${position}`;
|
||||
initialNodes.push({
|
||||
id,
|
||||
type: 'custom',
|
||||
data: {
|
||||
label: `toolbar ${position} ${align}`,
|
||||
toolbarPosition: position as Position,
|
||||
toolbarAlign: align,
|
||||
toolbarVisible: true,
|
||||
},
|
||||
className: 'react-flow__node-default',
|
||||
position: { x: posIndex * 300, y: alignIndex * 100 },
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
const initialEdges: Edge[] = [];
|
||||
|
||||
const defaultEdgeOptions = { zIndex: 0 };
|
||||
const nodeOrigin: NodeOrigin = [0.5, 0.5];
|
||||
|
||||
export default function NodeToolbarExample() {
|
||||
return (
|
||||
<ReactFlow
|
||||
defaultNodes={initialNodes}
|
||||
defaultEdges={initialEdges}
|
||||
className="react-flow-node-toolbar-example"
|
||||
minZoom={0.2}
|
||||
maxZoom={4}
|
||||
fitView
|
||||
defaultEdgeOptions={defaultEdgeOptions}
|
||||
nodeTypes={nodeTypes}
|
||||
nodeOrigin={nodeOrigin}
|
||||
>
|
||||
<Background variant={BackgroundVariant.Dots} />
|
||||
<MiniMap />
|
||||
<Controls />
|
||||
<SelectedNodesToolbar />
|
||||
</ReactFlow>
|
||||
);
|
||||
}
|
||||
@@ -0,0 +1,66 @@
|
||||
import { CSSProperties, useCallback } from 'react';
|
||||
import { ReactFlow, addEdge, Node, Position, Connection, Edge, useNodesState, useEdgesState } from '@xyflow/react';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
sourcePosition: Position.Right,
|
||||
type: 'input',
|
||||
data: { label: 'Input' },
|
||||
position: { x: 0, y: 80 },
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
type: 'output',
|
||||
sourcePosition: Position.Right,
|
||||
targetPosition: Position.Left,
|
||||
data: { label: 'A Node' },
|
||||
position: { x: 250, y: 0 },
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [{ id: 'e1-2', source: '1', type: 'smoothstep', target: '2', animated: true }];
|
||||
|
||||
const buttonStyle: CSSProperties = {
|
||||
position: 'absolute',
|
||||
right: 10,
|
||||
top: 30,
|
||||
zIndex: 4,
|
||||
};
|
||||
|
||||
const NodeTypeChangeFlow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = useCallback((params: Connection | Edge) => setEdges((eds) => addEdge(params, eds)), [setEdges]);
|
||||
const changeType = () => {
|
||||
setNodes((nds) =>
|
||||
nds.map((node) => {
|
||||
if (node.type === 'input') {
|
||||
return node;
|
||||
}
|
||||
|
||||
return {
|
||||
...node,
|
||||
type: node.type === 'default' ? 'output' : 'default',
|
||||
};
|
||||
})
|
||||
);
|
||||
};
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onConnect={onConnect}
|
||||
fitView
|
||||
>
|
||||
<button onClick={changeType} style={buttonStyle}>
|
||||
change type
|
||||
</button>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default NodeTypeChangeFlow;
|
||||
@@ -0,0 +1,89 @@
|
||||
import { useState, CSSProperties, FC, useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
addEdge,
|
||||
Node,
|
||||
Position,
|
||||
Connection,
|
||||
Edge,
|
||||
NodeProps,
|
||||
NodeTypes,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
} from '@xyflow/react';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
sourcePosition: Position.Right,
|
||||
type: 'input',
|
||||
data: { label: 'Input' },
|
||||
position: { x: 0, y: 80 },
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
type: 'a',
|
||||
sourcePosition: Position.Right,
|
||||
targetPosition: Position.Left,
|
||||
data: { label: 'A Node' },
|
||||
position: { x: 250, y: 0 },
|
||||
},
|
||||
];
|
||||
|
||||
const buttonStyle: CSSProperties = {
|
||||
position: 'absolute',
|
||||
right: 10,
|
||||
top: 30,
|
||||
zIndex: 4,
|
||||
};
|
||||
|
||||
const nodeStyles: CSSProperties = {
|
||||
padding: '10px 15px',
|
||||
border: '1px solid #ddd',
|
||||
};
|
||||
|
||||
const NodeA: FC<NodeProps> = () => {
|
||||
return <div style={nodeStyles}>A</div>;
|
||||
};
|
||||
|
||||
const NodeB: FC<NodeProps> = () => {
|
||||
return <div style={nodeStyles}>B</div>;
|
||||
};
|
||||
|
||||
type NodeTypesObject = {
|
||||
[key: string]: NodeTypes;
|
||||
};
|
||||
|
||||
const nodeTypesObjects: NodeTypesObject = {
|
||||
a: {
|
||||
a: NodeA,
|
||||
},
|
||||
b: {
|
||||
b: NodeB,
|
||||
},
|
||||
};
|
||||
|
||||
const NodeTypeChangeFlow = () => {
|
||||
const [nodeTypesId, setNodeTypesId] = useState<string>('a');
|
||||
const [nodes, , onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState([]);
|
||||
const onConnect = useCallback((params: Connection | Edge) => setEdges((eds) => addEdge(params, eds)), [setEdges]);
|
||||
const changeType = () => setNodeTypesId((nt) => (nt === 'a' ? 'b' : 'a'));
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onConnect={onConnect}
|
||||
nodeTypes={nodeTypesObjects[nodeTypesId]}
|
||||
>
|
||||
<button onClick={changeType} style={buttonStyle}>
|
||||
change type
|
||||
</button>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default NodeTypeChangeFlow;
|
||||
@@ -0,0 +1,238 @@
|
||||
import { MouseEvent as ReactMouseEvent, CSSProperties, useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
addEdge,
|
||||
Node,
|
||||
Viewport,
|
||||
SnapGrid,
|
||||
Connection,
|
||||
Edge,
|
||||
ReactFlowInstance,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
OnSelectionChangeParams,
|
||||
Controls,
|
||||
Background,
|
||||
MiniMap,
|
||||
} from '@xyflow/react';
|
||||
|
||||
const onNodeDragStart = (_: ReactMouseEvent, node: Node, nodes: Node[]) => console.log('drag start', node, nodes);
|
||||
const onNodeDrag = (_: ReactMouseEvent, node: Node, nodes: Node[]) => console.log('drag', node, nodes);
|
||||
const onNodeDragStop = (_: ReactMouseEvent, node: Node, nodes: Node[]) => console.log('drag stop', node, nodes);
|
||||
const onNodeDoubleClick = (_: ReactMouseEvent, node: Node) => console.log('node double click', node);
|
||||
const onPaneClick = (event: ReactMouseEvent) => console.log('pane click', event);
|
||||
const onPaneScroll = (event?: ReactMouseEvent) => console.log('pane scroll', event);
|
||||
const onPaneContextMenu = (event: ReactMouseEvent) => console.log('pane context menu', event);
|
||||
const onSelectionDrag = (_: ReactMouseEvent, nodes: Node[]) => console.log('selection drag', nodes);
|
||||
const onSelectionDragStart = (_: ReactMouseEvent, nodes: Node[]) => console.log('selection drag start', nodes);
|
||||
const onSelectionDragStop = (_: ReactMouseEvent, nodes: Node[]) => console.log('selection drag stop', nodes);
|
||||
const onSelectionContextMenu = (event: ReactMouseEvent, nodes: Node[]) => {
|
||||
event.preventDefault();
|
||||
console.log('selection context menu', nodes);
|
||||
};
|
||||
const onNodeClick = (_: ReactMouseEvent, node: Node) => console.log('node click:', node);
|
||||
|
||||
const onSelectionChange = ({ nodes, edges }: OnSelectionChangeParams) => console.log('selection change', nodes, edges);
|
||||
const onInit = (reactFlowInstance: ReactFlowInstance) => {
|
||||
console.log('pane ready:', reactFlowInstance);
|
||||
};
|
||||
|
||||
const onMoveStart = (_: MouseEvent | TouchEvent | null, viewport: Viewport) => console.log('zoom/move start', viewport);
|
||||
const onMoveEnd = (_: MouseEvent | TouchEvent | null, viewport: Viewport) => console.log('zoom/move end', viewport);
|
||||
const onEdgeContextMenu = (_: ReactMouseEvent, edge: Edge) => console.log('edge context menu', edge);
|
||||
const onEdgeMouseEnter = (_: ReactMouseEvent, edge: Edge) => console.log('edge mouse enter', edge);
|
||||
const onEdgeMouseMove = (_: ReactMouseEvent, edge: Edge) => console.log('edge mouse move', edge);
|
||||
const onEdgeMouseLeave = (_: ReactMouseEvent, edge: Edge) => console.log('edge mouse leave', edge);
|
||||
const onEdgeDoubleClick = (_: ReactMouseEvent, edge: Edge) => console.log('edge double click', edge);
|
||||
const onNodesDelete = (nodes: Node[]) => console.log('nodes delete', nodes);
|
||||
const onEdgesDelete = (edges: Edge[]) => console.log('edges delete', edges);
|
||||
const onPaneMouseMove = (e: ReactMouseEvent) => console.log('pane move', e.clientX, e.clientY);
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'input',
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
Welcome to <strong>React Flow!</strong>
|
||||
</>
|
||||
),
|
||||
},
|
||||
position: { x: 250, y: 0 },
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
This is a <strong>default node</strong>
|
||||
</>
|
||||
),
|
||||
},
|
||||
position: { x: 100, y: 100 },
|
||||
},
|
||||
{
|
||||
id: '3',
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
This one has a <strong>custom style</strong>
|
||||
</>
|
||||
),
|
||||
},
|
||||
position: { x: 400, y: 100 },
|
||||
style: {
|
||||
background: '#D6D5E6',
|
||||
color: '#333',
|
||||
border: '1px solid #222138',
|
||||
width: 180,
|
||||
},
|
||||
},
|
||||
{
|
||||
id: '4',
|
||||
position: { x: 250, y: 200 },
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
You can find the docs on{' '}
|
||||
<a href="https://github.com/wbkd/react-flow" target="_blank" rel="noopener noreferrer">
|
||||
Github
|
||||
</a>
|
||||
</>
|
||||
),
|
||||
},
|
||||
},
|
||||
{
|
||||
id: '5',
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
Or check out the other <strong>examples</strong>
|
||||
</>
|
||||
),
|
||||
},
|
||||
position: { x: 250, y: 325 },
|
||||
},
|
||||
{
|
||||
id: '6',
|
||||
type: 'output',
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
An <strong>output node (not deletable)</strong>
|
||||
</>
|
||||
),
|
||||
},
|
||||
position: { x: 100, y: 480 },
|
||||
deletable: false,
|
||||
},
|
||||
{
|
||||
id: '7',
|
||||
type: 'output',
|
||||
data: { label: 'Another output node' },
|
||||
position: { x: 400, y: 450 },
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [
|
||||
{ id: 'e1-2', source: '1', target: '2', label: 'this is an edge label' },
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
{
|
||||
id: 'e3-4',
|
||||
source: '3',
|
||||
target: '4',
|
||||
animated: true,
|
||||
label: 'animated edge',
|
||||
},
|
||||
{ id: 'e4-5', source: '4', target: '5', label: 'edge with arrow head' },
|
||||
{
|
||||
id: 'e5-6',
|
||||
source: '5',
|
||||
target: '6',
|
||||
type: 'smoothstep',
|
||||
deletable: false,
|
||||
label: 'smooth step edge (not deletable)',
|
||||
},
|
||||
{
|
||||
id: 'e5-7',
|
||||
source: '5',
|
||||
target: '7',
|
||||
type: 'step',
|
||||
style: { stroke: '#f6ab6c' },
|
||||
label: 'a step edge',
|
||||
animated: true,
|
||||
labelStyle: { fill: '#f6ab6c', fontWeight: 700 },
|
||||
},
|
||||
];
|
||||
|
||||
const connectionLineStyle: CSSProperties = { stroke: '#ddd' };
|
||||
const snapGrid: SnapGrid = [25, 25];
|
||||
|
||||
const nodeStrokeColor = (n: Node): string => {
|
||||
if (n.style?.background) return n.style.background as string;
|
||||
if (n.type === 'input') return '#0041d0';
|
||||
if (n.type === 'output') return '#ff0072';
|
||||
if (n.type === 'default') return '#1a192b';
|
||||
|
||||
return '#eee';
|
||||
};
|
||||
|
||||
const nodeColor = (n: Node): string => {
|
||||
if (n.style?.background) return n.style.background as string;
|
||||
|
||||
return '#fff';
|
||||
};
|
||||
|
||||
const OverviewFlow = () => {
|
||||
const [nodes, , onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = useCallback((params: Connection | Edge) => setEdges((eds) => addEdge(params, eds)), [setEdges]);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onConnect={onConnect}
|
||||
onPaneClick={onPaneClick}
|
||||
onPaneScroll={onPaneScroll}
|
||||
onPaneContextMenu={onPaneContextMenu}
|
||||
onNodeDragStart={onNodeDragStart}
|
||||
onNodeDrag={onNodeDrag}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
onNodeDoubleClick={onNodeDoubleClick}
|
||||
onSelectionDragStart={onSelectionDragStart}
|
||||
onSelectionDrag={onSelectionDrag}
|
||||
onSelectionDragStop={onSelectionDragStop}
|
||||
onSelectionContextMenu={onSelectionContextMenu}
|
||||
onSelectionChange={onSelectionChange}
|
||||
onMoveStart={onMoveStart}
|
||||
onMoveEnd={onMoveEnd}
|
||||
onInit={onInit}
|
||||
connectionLineStyle={connectionLineStyle}
|
||||
snapToGrid={true}
|
||||
snapGrid={snapGrid}
|
||||
onEdgeContextMenu={onEdgeContextMenu}
|
||||
onEdgeMouseEnter={onEdgeMouseEnter}
|
||||
onEdgeMouseMove={onEdgeMouseMove}
|
||||
onEdgeMouseLeave={onEdgeMouseLeave}
|
||||
onEdgeDoubleClick={onEdgeDoubleClick}
|
||||
fitView
|
||||
fitViewOptions={{ padding: 0.2 }}
|
||||
attributionPosition="top-right"
|
||||
maxZoom={Infinity}
|
||||
onNodesDelete={onNodesDelete}
|
||||
onEdgesDelete={onEdgesDelete}
|
||||
onPaneMouseMove={onPaneMouseMove}
|
||||
>
|
||||
<MiniMap nodeStrokeColor={nodeStrokeColor} nodeColor={nodeColor} nodeBorderRadius={2} />
|
||||
<Controls />
|
||||
<Background color="#aaa" gap={25} />
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default OverviewFlow;
|
||||
@@ -0,0 +1,37 @@
|
||||
import { useReactFlow, useStore } from '@xyflow/react';
|
||||
|
||||
import styles from './provider.module.css';
|
||||
|
||||
const Sidebar = () => {
|
||||
const { setNodes } = useReactFlow();
|
||||
const nodeInfos = useStore((store) =>
|
||||
store.nodes.map((n) => `Node ${n.id} - x: ${n.position.x.toFixed(2)}, y: ${n.position.y.toFixed(2)}`)
|
||||
);
|
||||
const transform = useStore((store) => store.transform);
|
||||
|
||||
const selectAll = () => {
|
||||
setNodes((nodes) => nodes.map((n) => ({ ...n, selected: true })));
|
||||
};
|
||||
|
||||
return (
|
||||
<aside className={styles.aside}>
|
||||
<div className={styles.description}>
|
||||
This is an example of how you can access the internal state outside of the ReactFlow component.
|
||||
</div>
|
||||
<div className={styles.title}>Zoom & pan transform</div>
|
||||
<div className={styles.transform}>
|
||||
[{transform[0].toFixed(2)}, {transform[1].toFixed(2)}, {transform[2].toFixed(2)}]
|
||||
</div>
|
||||
<div className={styles.title}>Nodes</div>
|
||||
{nodeInfos.map((info, index) => (
|
||||
<div key={index}>{info}</div>
|
||||
))}
|
||||
|
||||
<div className={styles.selectall}>
|
||||
<button onClick={selectAll}>select all nodes</button>
|
||||
</div>
|
||||
</aside>
|
||||
);
|
||||
};
|
||||
|
||||
export default Sidebar;
|
||||
@@ -0,0 +1,68 @@
|
||||
import { MouseEvent, useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
Controls,
|
||||
ReactFlowProvider,
|
||||
addEdge,
|
||||
Node,
|
||||
Connection,
|
||||
Edge,
|
||||
ConnectionMode,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
ReactFlowInstance,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import Sidebar from './Sidebar';
|
||||
|
||||
import styles from './provider.module.css';
|
||||
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
const onInit = (reactFlowInstance: ReactFlowInstance) => console.log('pane ready:', reactFlowInstance);
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'input',
|
||||
data: { label: 'Node 1' },
|
||||
position: { x: 250, y: 5 },
|
||||
},
|
||||
{ id: '2', data: { label: 'Node 2' }, position: { x: 100, y: 100 } },
|
||||
{ id: '3', data: { label: 'Node 3' }, position: { x: 400, y: 100 } },
|
||||
{ id: '4', data: { label: 'Node 4' }, position: { x: 400, y: 200 } },
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [
|
||||
{ id: 'e1-2', source: '1', target: '2', animated: true },
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
];
|
||||
|
||||
const ProviderFlow = () => {
|
||||
const [nodes, , onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = useCallback((params: Edge | Connection) => setEdges((els) => addEdge(params, els)), [setEdges]);
|
||||
|
||||
return (
|
||||
<div className={styles.providerflow}>
|
||||
<ReactFlowProvider>
|
||||
<Sidebar />
|
||||
<div className={styles.wrapper}>
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onConnect={onConnect}
|
||||
onInit={onInit}
|
||||
connectionMode={ConnectionMode.Loose}
|
||||
>
|
||||
<Controls />
|
||||
</ReactFlow>
|
||||
</div>
|
||||
</ReactFlowProvider>
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
export default ProviderFlow;
|
||||
@@ -0,0 +1,45 @@
|
||||
.providerflow {
|
||||
flex-direction: column;
|
||||
display: flex;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
.aside {
|
||||
border-right: 1px solid #eee;
|
||||
padding: 15px 10px;
|
||||
font-size: 12px;
|
||||
background: #fcfcfc;
|
||||
}
|
||||
|
||||
.description {
|
||||
margin-bottom: 10px;
|
||||
}
|
||||
|
||||
.title {
|
||||
font-weight: 700;
|
||||
margin-bottom: 5px;
|
||||
}
|
||||
|
||||
.transform {
|
||||
margin-bottom: 20px;
|
||||
}
|
||||
|
||||
.wrapper {
|
||||
flex-grow: 1;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
.selectall {
|
||||
margin-top: 10px;
|
||||
}
|
||||
|
||||
@media screen and (min-width: 768px) {
|
||||
.providerflow {
|
||||
flex-direction: row;
|
||||
}
|
||||
|
||||
.aside {
|
||||
width: 20%;
|
||||
max-width: 250px;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,72 @@
|
||||
import React, { memo, useCallback, Dispatch, FC } from 'react';
|
||||
import { useReactFlow, Edge, Node, ReactFlowJsonObject } from '@xyflow/react';
|
||||
import localforage from 'localforage';
|
||||
|
||||
import styles from './save.module.css';
|
||||
|
||||
localforage.config({
|
||||
name: 'react-flow',
|
||||
storeName: 'flows',
|
||||
});
|
||||
|
||||
const flowKey = 'example-flow';
|
||||
|
||||
const getNodeId = () => `randomnode_${+new Date()}`;
|
||||
|
||||
type ControlsProps = {
|
||||
setNodes: Dispatch<React.SetStateAction<Node<any>[]>>;
|
||||
setEdges: Dispatch<React.SetStateAction<Edge<any>[]>>;
|
||||
};
|
||||
|
||||
const Controls: FC<ControlsProps> = ({ setNodes, setEdges }) => {
|
||||
const { setViewport, toObject } = useReactFlow();
|
||||
|
||||
const onSave = useCallback(() => {
|
||||
const flow = toObject();
|
||||
localforage.setItem(flowKey, flow);
|
||||
}, [toObject]);
|
||||
|
||||
const onRestore = useCallback(() => {
|
||||
const restoreFlow = async () => {
|
||||
const flow: ReactFlowJsonObject | null = await localforage.getItem(flowKey);
|
||||
|
||||
if (flow) {
|
||||
const { x, y, zoom } = flow.viewport;
|
||||
|
||||
setNodes(flow.nodes || []);
|
||||
setEdges(flow.edges || []);
|
||||
setViewport({ x, y, zoom: zoom || 0 });
|
||||
}
|
||||
};
|
||||
|
||||
restoreFlow();
|
||||
}, [setNodes, setEdges, setViewport]);
|
||||
|
||||
const onAdd = useCallback(() => {
|
||||
const newNode = {
|
||||
id: `random_node-${getNodeId()}`,
|
||||
data: { label: 'Added node' },
|
||||
position: {
|
||||
x: Math.random() * window.innerWidth - 100,
|
||||
y: Math.random() * window.innerHeight,
|
||||
},
|
||||
};
|
||||
setNodes((nds) => nds.concat(newNode));
|
||||
}, [setNodes]);
|
||||
|
||||
return (
|
||||
<div className={styles.controls}>
|
||||
<button className={styles.button} onClick={onSave}>
|
||||
save
|
||||
</button>
|
||||
<button className={styles.button} onClick={onRestore}>
|
||||
restore
|
||||
</button>
|
||||
<button className={styles.button} onClick={onAdd}>
|
||||
add node
|
||||
</button>
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(Controls);
|
||||
@@ -0,0 +1,42 @@
|
||||
import { useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
ReactFlowProvider,
|
||||
Node,
|
||||
addEdge,
|
||||
Connection,
|
||||
Edge,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import Controls from './Controls';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{ id: '1', data: { label: 'Node 1' }, position: { x: 100, y: 100 } },
|
||||
{ id: '2', data: { label: 'Node 2' }, position: { x: 100, y: 200 } },
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [{ id: 'e1-2', source: '1', target: '2' }];
|
||||
|
||||
const SaveRestore = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = useCallback((params: Connection | Edge) => setEdges((eds) => addEdge(params, eds)), [setEdges]);
|
||||
|
||||
return (
|
||||
<ReactFlowProvider>
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onConnect={onConnect}
|
||||
>
|
||||
<Controls setNodes={setNodes} setEdges={setEdges} />
|
||||
</ReactFlow>
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
};
|
||||
|
||||
export default SaveRestore;
|
||||
@@ -0,0 +1,11 @@
|
||||
.controls {
|
||||
position: absolute;
|
||||
right: 10px;
|
||||
top: 10px;
|
||||
z-index: 4;
|
||||
font-size: 12px;
|
||||
}
|
||||
|
||||
.button {
|
||||
margin-left: 5px;
|
||||
}
|
||||
@@ -0,0 +1,85 @@
|
||||
import { useState, useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
ReactFlowInstance,
|
||||
Edge,
|
||||
Node,
|
||||
NodeChange,
|
||||
applyNodeChanges,
|
||||
Connection,
|
||||
addEdge,
|
||||
applyEdgeChanges,
|
||||
EdgeChange,
|
||||
Controls,
|
||||
Background,
|
||||
MiniMap,
|
||||
Panel,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import { getNodesAndEdges } from './utils';
|
||||
|
||||
const onInit = (reactFlowInstance: ReactFlowInstance) => {
|
||||
reactFlowInstance.fitView();
|
||||
console.log(reactFlowInstance.getNodes());
|
||||
};
|
||||
|
||||
const { nodes: initialNodes, edges: initialEdges } = getNodesAndEdges(25, 25);
|
||||
|
||||
const StressFlow = () => {
|
||||
const [nodes, setNodes] = useState<Node[]>(initialNodes);
|
||||
const [edges, setEdges] = useState<Edge[]>(initialEdges);
|
||||
const onConnect = useCallback((connection: Connection) => {
|
||||
setEdges((eds) => addEdge(connection, eds));
|
||||
}, []);
|
||||
const updatePos = () => {
|
||||
setNodes((nds) => {
|
||||
return nds.map((n) => {
|
||||
return {
|
||||
...n,
|
||||
position: {
|
||||
x: Math.random() * window.innerWidth,
|
||||
y: Math.random() * window.innerHeight,
|
||||
},
|
||||
};
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
const updateElements = () => {
|
||||
const grid = Math.ceil(Math.random() * 10);
|
||||
const initialElements = getNodesAndEdges(grid, grid);
|
||||
setNodes(initialElements.nodes);
|
||||
setEdges(initialElements.edges);
|
||||
};
|
||||
|
||||
const onNodesChange = useCallback((changes: NodeChange[]) => {
|
||||
setNodes((ns) => applyNodeChanges(changes, ns));
|
||||
}, []);
|
||||
|
||||
const onEdgeChange = useCallback((changes: EdgeChange[]) => {
|
||||
setEdges((es) => applyEdgeChanges(changes, es));
|
||||
}, []);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onInit={onInit}
|
||||
onConnect={onConnect}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgeChange}
|
||||
minZoom={0.2}
|
||||
>
|
||||
<MiniMap />
|
||||
<Controls />
|
||||
<Background />
|
||||
|
||||
<Panel position="top-right">
|
||||
<button onClick={updatePos}>change pos</button>
|
||||
<button onClick={updateElements}>update elements</button>
|
||||
</Panel>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default StressFlow;
|
||||
@@ -0,0 +1,43 @@
|
||||
import { Node, Edge } from '@xyflow/react';
|
||||
|
||||
type ElementsCollection = {
|
||||
nodes: Node[];
|
||||
edges: Edge[];
|
||||
};
|
||||
|
||||
export function getNodesAndEdges(xElements = 10, yElements = 10): ElementsCollection {
|
||||
const initialNodes = [];
|
||||
const initialEdges: Edge[] = [];
|
||||
let nodeId = 1;
|
||||
let recentNodeId = null;
|
||||
|
||||
for (let y = 0; y < yElements; y++) {
|
||||
for (let x = 0; x < xElements; x++) {
|
||||
const position = { x: x * 100, y: y * 50 };
|
||||
const data = { label: `Node ${nodeId}` };
|
||||
const node = {
|
||||
id: nodeId.toString(),
|
||||
style: { width: 50, fontSize: 11 },
|
||||
data,
|
||||
position,
|
||||
};
|
||||
initialNodes.push(node);
|
||||
|
||||
if (recentNodeId && nodeId <= xElements * yElements) {
|
||||
initialEdges.push({
|
||||
id: `${x}-${y}`,
|
||||
source: recentNodeId.toString(),
|
||||
target: nodeId.toString(),
|
||||
});
|
||||
}
|
||||
|
||||
recentNodeId = nodeId;
|
||||
nodeId++;
|
||||
}
|
||||
}
|
||||
|
||||
return {
|
||||
nodes: initialNodes,
|
||||
edges: initialEdges,
|
||||
};
|
||||
}
|
||||
@@ -0,0 +1,27 @@
|
||||
import React, { memo, FC, CSSProperties } from 'react';
|
||||
|
||||
import { Handle, NodeProps, Position } from '@xyflow/react';
|
||||
|
||||
const infoStyle: CSSProperties = { fontSize: 11 };
|
||||
const idStyle: CSSProperties = {
|
||||
fontSize: 10,
|
||||
color: '#888899',
|
||||
position: 'absolute',
|
||||
top: 2,
|
||||
left: 2,
|
||||
};
|
||||
|
||||
const DebugNode: FC<NodeProps> = ({ zIndex, xPos, yPos, id }) => {
|
||||
return (
|
||||
<>
|
||||
<Handle type="target" position={Position.Top} />
|
||||
<div style={idStyle}>{id}</div>
|
||||
<div style={infoStyle}>
|
||||
x:{Math.round(xPos || 0)} y:{Math.round(yPos || 0)} z:{zIndex}
|
||||
</div>
|
||||
<Handle type="source" position={Position.Bottom} />
|
||||
</>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(DebugNode);
|
||||
@@ -0,0 +1,237 @@
|
||||
import { useState, MouseEvent, useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
addEdge,
|
||||
Node,
|
||||
Edge,
|
||||
ReactFlowInstance,
|
||||
Connection,
|
||||
MarkerType,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
Controls,
|
||||
MiniMap,
|
||||
Background,
|
||||
Panel,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import DebugNode from './DebugNode';
|
||||
|
||||
const onNodeDrag = (_: MouseEvent, node: Node, nodes: Node[]) => console.log('drag', node, nodes);
|
||||
const onNodeDragStop = (_: MouseEvent, node: Node, nodes: Node[]) => console.log('drag stop', node, nodes);
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
const onEdgeClick = (_: MouseEvent, edge: Edge) => console.log('click', edge);
|
||||
|
||||
const defaultViewport = { x: 0, y: 0, zoom: 1.5 };
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'input',
|
||||
data: { label: 'Node 1' },
|
||||
position: { x: 250, y: 5 },
|
||||
className: 'light',
|
||||
origin: [0.5, 0.5],
|
||||
},
|
||||
{
|
||||
id: '4',
|
||||
data: { label: 'Node 4' },
|
||||
position: { x: 100, y: 200 },
|
||||
className: 'light',
|
||||
origin: [0.5, 0.5],
|
||||
style: {
|
||||
backgroundColor: 'rgba(255,50, 50, 0.5)',
|
||||
width: 500,
|
||||
height: 300,
|
||||
},
|
||||
},
|
||||
{
|
||||
id: '4a',
|
||||
data: { label: 'Node 4a' },
|
||||
position: { x: 15, y: 15 },
|
||||
className: 'light',
|
||||
parentNode: '4',
|
||||
origin: [0.5, 0.5],
|
||||
|
||||
extent: [
|
||||
[0, 0],
|
||||
[100, 100],
|
||||
],
|
||||
},
|
||||
{
|
||||
id: '4b',
|
||||
data: { label: 'Node 4b' },
|
||||
position: { x: 100, y: 60 },
|
||||
className: 'light',
|
||||
style: {
|
||||
backgroundColor: 'rgba(50, 50, 255, 0.5)',
|
||||
height: 200,
|
||||
width: 300,
|
||||
},
|
||||
parentNode: '4',
|
||||
},
|
||||
{
|
||||
id: '4b1',
|
||||
data: { label: 'Node 4b1' },
|
||||
position: { x: 40, y: 20 },
|
||||
className: 'light',
|
||||
parentNode: '4b',
|
||||
},
|
||||
{
|
||||
id: '4b2',
|
||||
data: { label: 'Node 4b2' },
|
||||
position: { x: 20, y: 100 },
|
||||
className: 'light',
|
||||
parentNode: '4b',
|
||||
},
|
||||
{
|
||||
id: '5',
|
||||
type: 'group',
|
||||
data: { label: 'Node 5' },
|
||||
position: { x: 650, y: 250 },
|
||||
className: 'light',
|
||||
style: { width: 400, height: 150 },
|
||||
zIndex: 1000,
|
||||
},
|
||||
{
|
||||
id: '5a',
|
||||
data: { label: 'Node 5a' },
|
||||
position: { x: 0, y: 0 },
|
||||
className: 'light',
|
||||
parentNode: '5',
|
||||
extent: 'parent',
|
||||
},
|
||||
{
|
||||
id: '5b',
|
||||
data: { label: 'Node 5b' },
|
||||
position: { x: 225, y: 50 },
|
||||
className: 'light',
|
||||
parentNode: '5',
|
||||
expandParent: true,
|
||||
},
|
||||
{
|
||||
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',
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [
|
||||
{
|
||||
id: 'e1-2',
|
||||
source: '1',
|
||||
target: '2',
|
||||
markerEnd: {
|
||||
type: MarkerType.Arrow,
|
||||
strokeWidth: 2,
|
||||
width: 15,
|
||||
height: 15,
|
||||
color: '#f00',
|
||||
},
|
||||
},
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
{ id: 'e3-4', source: '3', target: '4', zIndex: 100 },
|
||||
{ id: 'e3-4b', source: '3', target: '4b' },
|
||||
{ id: 'e4a-4b1', source: '4a', target: '4b1' },
|
||||
{ id: 'e4a-4b2', source: '4a', target: '4b2', zIndex: 100 },
|
||||
{ id: 'e4b1-4b2', source: '4b1', target: '4b2' },
|
||||
];
|
||||
|
||||
const nodeTypes = {
|
||||
default: DebugNode,
|
||||
};
|
||||
|
||||
const Subflow = () => {
|
||||
const [rfInstance, setRfInstance] = useState<ReactFlowInstance | null>(null);
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
|
||||
const onConnect = useCallback((connection: Connection) => setEdges((eds) => addEdge(connection, eds)), [setEdges]);
|
||||
const onInit = useCallback((reactFlowInstance: ReactFlowInstance) => setRfInstance(reactFlowInstance), []);
|
||||
|
||||
const updatePos = () => {
|
||||
setNodes((nds) => {
|
||||
return nds.map((n) => {
|
||||
if (!n.parentNode) {
|
||||
n.position = {
|
||||
x: Math.random() * 400,
|
||||
y: Math.random() * 400,
|
||||
};
|
||||
}
|
||||
|
||||
return n;
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
const logToObject = () => console.log(rfInstance?.toObject());
|
||||
const resetTransform = () => rfInstance?.setViewport({ x: 0, y: 0, zoom: 1 });
|
||||
|
||||
const toggleClassnames = () => {
|
||||
setNodes((nds) => {
|
||||
return nds.map((n) => {
|
||||
n.className = n.className === 'light' ? 'dark' : 'light';
|
||||
return n;
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
const toggleChildNodes = () => {
|
||||
setNodes((nds) => {
|
||||
return nds.map((n) => {
|
||||
n.hidden = !!n.parentNode && !n.hidden;
|
||||
return n;
|
||||
});
|
||||
});
|
||||
};
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onInit={onInit}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onEdgeClick={onEdgeClick}
|
||||
onConnect={onConnect}
|
||||
onNodeDrag={onNodeDrag}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
className="react-flow-basic-example"
|
||||
defaultViewport={defaultViewport}
|
||||
minZoom={0.2}
|
||||
maxZoom={4}
|
||||
onlyRenderVisibleElements={false}
|
||||
nodeTypes={nodeTypes}
|
||||
fitView
|
||||
>
|
||||
<MiniMap />
|
||||
<Controls />
|
||||
<Background />
|
||||
|
||||
<Panel position="top-right">
|
||||
<button onClick={resetTransform} style={{ marginRight: 5 }}>
|
||||
reset transform
|
||||
</button>
|
||||
<button onClick={updatePos} style={{ marginRight: 5 }}>
|
||||
change pos
|
||||
</button>
|
||||
<button onClick={toggleClassnames} style={{ marginRight: 5 }}>
|
||||
toggle classnames
|
||||
</button>
|
||||
<button style={{ marginRight: 5 }} onClick={toggleChildNodes}>
|
||||
toggleChildNodes
|
||||
</button>
|
||||
<button onClick={logToObject}>toObject</button>
|
||||
</Panel>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default Subflow;
|
||||
@@ -0,0 +1,128 @@
|
||||
import { MouseEvent, useCallback } from 'react';
|
||||
import { ReactFlow, addEdge, Node, Connection, Edge, useNodesState, useEdgesState } from '@xyflow/react';
|
||||
|
||||
const onNodeDragStop = (_: MouseEvent, node: Node) => console.log('drag stop', node);
|
||||
const onNodeClick = (_: MouseEvent, node: Node) => console.log('click', node);
|
||||
|
||||
const nodesA: Node[] = [
|
||||
{
|
||||
id: '1a',
|
||||
type: 'input',
|
||||
data: { label: 'Node 1' },
|
||||
position: { x: 250, y: 5 },
|
||||
className: 'light',
|
||||
ariaLabel: 'Input Node 1',
|
||||
},
|
||||
{
|
||||
id: '2a',
|
||||
data: { label: 'Node 2' },
|
||||
position: { x: 100, y: 100 },
|
||||
className: 'light',
|
||||
ariaLabel: 'Default Node 2',
|
||||
},
|
||||
{
|
||||
id: '3a',
|
||||
data: { label: 'Node 3' },
|
||||
position: { x: 400, y: 100 },
|
||||
className: 'light',
|
||||
},
|
||||
{
|
||||
id: '4a',
|
||||
data: { label: 'Node 4' },
|
||||
position: { x: 400, y: 200 },
|
||||
className: 'light',
|
||||
},
|
||||
];
|
||||
|
||||
const edgesA: Edge[] = [
|
||||
{ id: 'e1-2', source: '1a', target: '2a', ariaLabel: undefined },
|
||||
{ id: 'e1-3', source: '1a', target: '3a' },
|
||||
];
|
||||
|
||||
const nodesB: Node[] = [
|
||||
{
|
||||
id: 'inputb',
|
||||
type: 'input',
|
||||
data: { label: 'Input' },
|
||||
position: { x: 300, y: 5 },
|
||||
className: 'light',
|
||||
ariaLabel: 'Input Node',
|
||||
},
|
||||
{
|
||||
id: '1b',
|
||||
data: { label: 'Node 1' },
|
||||
position: { x: 0, y: 100 },
|
||||
className: 'light',
|
||||
ariaLabel: 'Node with id 1',
|
||||
},
|
||||
{
|
||||
id: '2b',
|
||||
data: { label: 'Node 2' },
|
||||
position: { x: 200, y: 100 },
|
||||
className: 'light',
|
||||
ariaLabel: 'Node with id 2',
|
||||
},
|
||||
{
|
||||
id: '3b',
|
||||
data: { label: 'Node 3' },
|
||||
position: { x: 400, y: 100 },
|
||||
className: 'light',
|
||||
},
|
||||
{
|
||||
id: '4b',
|
||||
data: { label: 'Node 4' },
|
||||
position: { x: 600, y: 100 },
|
||||
className: 'light',
|
||||
},
|
||||
];
|
||||
|
||||
const edgesB: Edge[] = [
|
||||
{ id: 'e1b', source: 'inputb', target: '1b', ariaLabel: 'edge to connect' },
|
||||
{ id: 'e2b', source: 'inputb', target: '2b' },
|
||||
{ id: 'e3b', source: 'inputb', target: '3b' },
|
||||
{ id: 'e4b', source: 'inputb', target: '4b' },
|
||||
];
|
||||
|
||||
const onNodeDrag = (_: MouseEvent, node: Node) => console.log('drag', node.position);
|
||||
|
||||
const BasicFlow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(nodesA);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(edgesA);
|
||||
|
||||
const onConnect = useCallback((params: Connection | Edge) => setEdges((eds) => addEdge(params, eds)), [setEdges]);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onConnect={onConnect}
|
||||
onNodeDragStop={onNodeDragStop}
|
||||
onNodeDrag={onNodeDrag}
|
||||
>
|
||||
<div style={{ position: 'absolute', right: 10, top: 10, zIndex: 4 }}>
|
||||
<button
|
||||
onClick={() => {
|
||||
setNodes(nodesA);
|
||||
setEdges(edgesA);
|
||||
}}
|
||||
style={{ marginRight: 5 }}
|
||||
>
|
||||
flow a
|
||||
</button>
|
||||
<button
|
||||
onClick={() => {
|
||||
setNodes(nodesB);
|
||||
setEdges(edgesB);
|
||||
}}
|
||||
>
|
||||
flow b
|
||||
</button>
|
||||
</div>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default BasicFlow;
|
||||
@@ -0,0 +1,50 @@
|
||||
import { useCallback } from 'react';
|
||||
import { ReactFlow, Node, Edge, useNodesState, useEdgesState, Position, Connection, addEdge } from '@xyflow/react';
|
||||
|
||||
import styles from './touch-device.module.css';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
data: { label: 'Node 1' },
|
||||
position: { x: 100, y: 100 },
|
||||
sourcePosition: Position.Right,
|
||||
targetPosition: Position.Left,
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
data: { label: 'Node 2' },
|
||||
position: { x: 300, y: 100 },
|
||||
sourcePosition: Position.Right,
|
||||
targetPosition: Position.Left,
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [];
|
||||
|
||||
const TouchDeviceFlow = () => {
|
||||
const [nodes, , onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = useCallback((connection: Connection) => setEdges((eds) => addEdge(connection, eds)), [setEdges]);
|
||||
const onConnectStart = useCallback(() => console.log('connect start'), []);
|
||||
const onConnectEnd = useCallback(() => console.log('connect end'), []);
|
||||
const onClickConnectStart = useCallback(() => console.log('click connect start'), []);
|
||||
const onClickConnectEnd = useCallback(() => console.log('click connect end'), []);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onConnect={onConnect}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onConnectStart={onConnectStart}
|
||||
onConnectEnd={onConnectEnd}
|
||||
onClickConnectStart={onClickConnectStart}
|
||||
onClickConnectEnd={onClickConnectEnd}
|
||||
className={styles.flow}
|
||||
/>
|
||||
);
|
||||
};
|
||||
|
||||
export default TouchDeviceFlow;
|
||||
@@ -0,0 +1,19 @@
|
||||
.flow :global .react-flow__handle {
|
||||
width: 20px;
|
||||
height: 20px;
|
||||
border-radius: 3px;
|
||||
background-color: #9f7aea;
|
||||
}
|
||||
|
||||
.flow :global .react-flow__handle.connecting {
|
||||
animation: bounce 1600ms infinite ease-out;
|
||||
}
|
||||
|
||||
@keyframes bounce {
|
||||
0% {
|
||||
transform: translate(0, -50%) scale(1);
|
||||
}
|
||||
50% {
|
||||
transform: translate(0, -50%) scale(1.1);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,21 @@
|
||||
import { memo, FC, CSSProperties } from 'react';
|
||||
import { Handle, Position, NodeProps } from '@xyflow/react';
|
||||
|
||||
const nodeStyles: CSSProperties = {
|
||||
padding: '10px 15px',
|
||||
border: '1px solid #ddd',
|
||||
};
|
||||
|
||||
const CustomNode: FC<NodeProps> = ({ id }) => {
|
||||
return (
|
||||
<div style={nodeStyles}>
|
||||
<div>node {id}</div>
|
||||
<Handle type="source" id="left" position={Position.Left} />
|
||||
<Handle type="source" id="right" position={Position.Right} />
|
||||
<Handle type="source" id="top" position={Position.Top} />
|
||||
<Handle type="source" id="bottom" position={Position.Bottom} />
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(CustomNode);
|
||||
@@ -0,0 +1,229 @@
|
||||
import { MouseEvent, useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
useReactFlow,
|
||||
NodeTypes,
|
||||
addEdge,
|
||||
ReactFlowProvider,
|
||||
Node,
|
||||
Connection,
|
||||
Edge,
|
||||
ConnectionLineType,
|
||||
ConnectionMode,
|
||||
updateEdge,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import CustomNode from './CustomNode';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '00',
|
||||
type: 'custom',
|
||||
position: { x: 300, y: 250 },
|
||||
data: null,
|
||||
},
|
||||
{
|
||||
id: '01',
|
||||
type: 'custom',
|
||||
position: { x: 100, y: 50 },
|
||||
data: null,
|
||||
},
|
||||
{
|
||||
id: '02',
|
||||
type: 'custom',
|
||||
position: { x: 500, y: 50 },
|
||||
data: null,
|
||||
},
|
||||
{
|
||||
id: '03',
|
||||
type: 'custom',
|
||||
position: { x: 500, y: 500 },
|
||||
data: null,
|
||||
},
|
||||
{
|
||||
id: '04',
|
||||
type: 'custom',
|
||||
position: { x: 100, y: 500 },
|
||||
data: null,
|
||||
},
|
||||
{
|
||||
id: '10',
|
||||
type: 'custom',
|
||||
position: { x: 300, y: 5 },
|
||||
data: null,
|
||||
},
|
||||
{
|
||||
id: '20',
|
||||
type: 'custom',
|
||||
position: { x: 600, y: 250 },
|
||||
data: null,
|
||||
},
|
||||
{
|
||||
id: '30',
|
||||
type: 'custom',
|
||||
position: { x: 300, y: 600 },
|
||||
data: null,
|
||||
},
|
||||
{
|
||||
id: '40',
|
||||
type: 'custom',
|
||||
position: { x: 5, y: 250 },
|
||||
data: null,
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [
|
||||
{
|
||||
id: 'e0-1a',
|
||||
source: '00',
|
||||
target: '01',
|
||||
sourceHandle: 'left',
|
||||
targetHandle: 'bottom',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
{
|
||||
id: 'e0-1b',
|
||||
source: '00',
|
||||
target: '01',
|
||||
sourceHandle: 'top',
|
||||
targetHandle: 'right',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
{
|
||||
id: 'e0-2a',
|
||||
source: '00',
|
||||
target: '02',
|
||||
sourceHandle: 'top',
|
||||
targetHandle: 'left',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
{
|
||||
id: 'e0-2b',
|
||||
source: '00',
|
||||
target: '02',
|
||||
sourceHandle: 'right',
|
||||
targetHandle: 'bottom',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
{
|
||||
id: 'e0-3a',
|
||||
source: '00',
|
||||
target: '03',
|
||||
sourceHandle: 'right',
|
||||
targetHandle: 'top',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
{
|
||||
id: 'e0-3b',
|
||||
source: '00',
|
||||
target: '03',
|
||||
sourceHandle: 'bottom',
|
||||
targetHandle: 'left',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
{
|
||||
id: 'e0-4a',
|
||||
source: '00',
|
||||
target: '04',
|
||||
sourceHandle: 'bottom',
|
||||
targetHandle: 'right',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
{
|
||||
id: 'e0-4b',
|
||||
source: '00',
|
||||
target: '04',
|
||||
sourceHandle: 'left',
|
||||
targetHandle: 'top',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
{
|
||||
id: 'e0-10',
|
||||
source: '00',
|
||||
target: '10',
|
||||
sourceHandle: 'top',
|
||||
targetHandle: 'bottom',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
{
|
||||
id: 'e0-20',
|
||||
source: '00',
|
||||
target: '20',
|
||||
sourceHandle: 'right',
|
||||
targetHandle: 'left',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
{
|
||||
id: 'e0-30',
|
||||
source: '00',
|
||||
target: '30',
|
||||
sourceHandle: 'bottom',
|
||||
targetHandle: 'top',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
{
|
||||
id: 'e0-40',
|
||||
source: '00',
|
||||
target: '40',
|
||||
sourceHandle: 'left',
|
||||
targetHandle: 'right',
|
||||
type: 'smoothstep',
|
||||
},
|
||||
];
|
||||
|
||||
const nodeTypes: NodeTypes = {
|
||||
custom: CustomNode,
|
||||
};
|
||||
|
||||
let id = 4;
|
||||
const getId = () => `${id++}`;
|
||||
|
||||
const UpdateNodeInternalsFlow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const { project } = useReactFlow();
|
||||
|
||||
const onConnect = useCallback((params: Edge | Connection) => setEdges((els) => addEdge(params, els)), [setEdges]);
|
||||
const onEdgeUpdate = useCallback(
|
||||
(oldEdge: Edge, newConnection: Connection) => setEdges((els) => updateEdge(oldEdge, newConnection, els)),
|
||||
[]
|
||||
);
|
||||
|
||||
const onPaneClick = useCallback(
|
||||
(evt: MouseEvent) =>
|
||||
setNodes((nds) =>
|
||||
nds.concat({
|
||||
id: getId(),
|
||||
position: project({ x: evt.clientX, y: evt.clientY - 40 }),
|
||||
type: 'custom',
|
||||
data: null,
|
||||
})
|
||||
),
|
||||
[project, setNodes]
|
||||
);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
nodeTypes={nodeTypes}
|
||||
onConnect={onConnect}
|
||||
onPaneClick={onPaneClick}
|
||||
connectionLineType={ConnectionLineType.Bezier}
|
||||
connectionMode={ConnectionMode.Loose}
|
||||
onEdgeUpdate={onEdgeUpdate}
|
||||
/>
|
||||
);
|
||||
};
|
||||
|
||||
const WrappedFlow = () => (
|
||||
<ReactFlowProvider>
|
||||
<UpdateNodeInternalsFlow />
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
|
||||
export default WrappedFlow;
|
||||
@@ -0,0 +1,140 @@
|
||||
import { useState, useCallback, MouseEvent as ReactMouseEvent } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
Controls,
|
||||
updateEdge,
|
||||
addEdge,
|
||||
applyNodeChanges,
|
||||
applyEdgeChanges,
|
||||
ReactFlowInstance,
|
||||
Connection,
|
||||
Edge,
|
||||
Node,
|
||||
NodeChange,
|
||||
EdgeChange,
|
||||
HandleType,
|
||||
} from '@xyflow/react';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'input',
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
Node <strong>A</strong>
|
||||
</>
|
||||
),
|
||||
},
|
||||
position: { x: 250, y: 0 },
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
Node <strong>B</strong>
|
||||
</>
|
||||
),
|
||||
},
|
||||
position: { x: 75, y: 0 },
|
||||
},
|
||||
{
|
||||
id: '3',
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
Node <strong>C</strong>
|
||||
</>
|
||||
),
|
||||
},
|
||||
position: { x: 400, y: 100 },
|
||||
style: {
|
||||
background: '#D6D5E6',
|
||||
color: '#333',
|
||||
border: '1px solid #222138',
|
||||
width: 180,
|
||||
},
|
||||
},
|
||||
{
|
||||
id: '4',
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
Node <strong>D</strong>
|
||||
</>
|
||||
),
|
||||
},
|
||||
position: { x: -75, y: 100 },
|
||||
},
|
||||
{
|
||||
id: '5',
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
Node <strong>E</strong>
|
||||
</>
|
||||
),
|
||||
},
|
||||
position: { x: 150, y: 100 },
|
||||
},
|
||||
{
|
||||
id: '6',
|
||||
data: {
|
||||
label: (
|
||||
<>
|
||||
Node <strong>F</strong>
|
||||
</>
|
||||
),
|
||||
},
|
||||
position: { x: 150, y: 250 },
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [
|
||||
{ id: 'e1-3', source: '1', target: '3', label: 'This edge can only be updated from source', updatable: 'source' },
|
||||
{ id: 'e2-4', source: '2', target: '4', label: 'This edge can only be updated from target', updatable: 'target' },
|
||||
{ id: 'e5-6', source: '5', target: '6', label: 'This edge can be updated from both sides' },
|
||||
];
|
||||
|
||||
const onInit = (reactFlowInstance: ReactFlowInstance) => reactFlowInstance.fitView();
|
||||
const onEdgeUpdateStart = (_: ReactMouseEvent, edge: Edge, handleType: HandleType) =>
|
||||
console.log(`start update ${handleType} handle`, edge);
|
||||
const onEdgeUpdateEnd = (_: MouseEvent | TouchEvent, edge: Edge, handleType: HandleType) =>
|
||||
console.log(`end update ${handleType} handle`, edge);
|
||||
|
||||
const UpdatableEdge = () => {
|
||||
const [nodes, setNodes] = useState<Node[]>(initialNodes);
|
||||
const [edges, setEdges] = useState<Edge[]>(initialEdges);
|
||||
const onEdgeUpdate = (oldEdge: Edge, newConnection: Connection) =>
|
||||
setEdges((els) => updateEdge(oldEdge, newConnection, els));
|
||||
const onConnect = (connection: Connection) => setEdges((els) => addEdge(connection, els));
|
||||
|
||||
const onNodesChange = useCallback((changes: NodeChange[]) => {
|
||||
console.log(changes);
|
||||
setNodes((ns) => applyNodeChanges(changes, ns));
|
||||
}, []);
|
||||
|
||||
const onEdgesChange = useCallback((changes: EdgeChange[]) => {
|
||||
setEdges((es) => applyEdgeChanges(changes, es));
|
||||
}, []);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onInit={onInit}
|
||||
snapToGrid={true}
|
||||
onEdgeUpdate={onEdgeUpdate}
|
||||
onConnect={onConnect}
|
||||
onEdgeUpdateStart={onEdgeUpdateStart}
|
||||
onEdgeUpdateEnd={onEdgeUpdateEnd}
|
||||
>
|
||||
<Controls />
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default UpdatableEdge;
|
||||
@@ -0,0 +1,88 @@
|
||||
import { useEffect, useState } from 'react';
|
||||
import { ReactFlow, Node, Edge, useNodesState, useEdgesState } from '@xyflow/react';
|
||||
|
||||
import styles from './updatenode.module.css';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{ id: '1', data: { label: '-' }, position: { x: 100, y: 100 } },
|
||||
{ id: '2', data: { label: 'Node 2' }, position: { x: 100, y: 200 } },
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [{ id: 'e1-2', source: '1', target: '2' }];
|
||||
|
||||
const UpdateNode = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
|
||||
const [nodeName, setNodeName] = useState<string>('Node 1');
|
||||
const [nodeBg, setNodeBg] = useState<string>('#eee');
|
||||
const [nodeHidden, setNodeHidden] = useState<boolean>(false);
|
||||
|
||||
useEffect(() => {
|
||||
setNodes((nds) =>
|
||||
nds.map((n) => {
|
||||
if (n.id === '1') {
|
||||
// it's important that you create a new object here in order to notify react flow about the change
|
||||
n.data = {
|
||||
...n.data,
|
||||
label: nodeName,
|
||||
};
|
||||
}
|
||||
|
||||
return n;
|
||||
})
|
||||
);
|
||||
}, [nodeName]);
|
||||
|
||||
useEffect(() => {
|
||||
setNodes((nds) =>
|
||||
nds.map((n) => {
|
||||
if (n.id === '1') {
|
||||
// it's important that you create a new object here in order to notify react flow about the change
|
||||
n.style = { ...n.style, backgroundColor: nodeBg };
|
||||
}
|
||||
|
||||
return n;
|
||||
})
|
||||
);
|
||||
}, [nodeBg]);
|
||||
|
||||
useEffect(() => {
|
||||
setNodes((nds) =>
|
||||
nds.map((n) => {
|
||||
if (n.id === '1' || n.id === 'e1-2') {
|
||||
// when you update a simple type you can just update the value
|
||||
n.hidden = nodeHidden;
|
||||
}
|
||||
|
||||
return n;
|
||||
})
|
||||
);
|
||||
}, [nodeHidden]);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
minZoom={0.2}
|
||||
maxZoom={4}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
>
|
||||
<div className={styles.controls}>
|
||||
<label>label:</label>
|
||||
<input value={nodeName} onChange={(evt) => setNodeName(evt.target.value)} />
|
||||
|
||||
<label className={styles.bgLabel}>background:</label>
|
||||
<input value={nodeBg} onChange={(evt) => setNodeBg(evt.target.value)} />
|
||||
|
||||
<div className="updatenode__checkboxwrapper">
|
||||
<label>hidden:</label>
|
||||
<input type="checkbox" checked={nodeHidden} onChange={(evt) => setNodeHidden(evt.target.checked)} />
|
||||
</div>
|
||||
</div>
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default UpdateNode;
|
||||
@@ -0,0 +1,21 @@
|
||||
.controls {
|
||||
position: absolute;
|
||||
right: 10px;
|
||||
top: 10px;
|
||||
z-index: 4;
|
||||
font-size: 12px;
|
||||
}
|
||||
|
||||
.controlsLabel {
|
||||
display: block;
|
||||
}
|
||||
|
||||
.bgLabel {
|
||||
margin-top: 10px;
|
||||
}
|
||||
|
||||
.checkboxWrapper {
|
||||
margin-top: 10px;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
}
|
||||
@@ -0,0 +1,11 @@
|
||||
import { useKeyPress } from '@xyflow/react';
|
||||
|
||||
const UseKeyPressComponent = () => {
|
||||
const metaPressed = useKeyPress(['Meta']);
|
||||
|
||||
console.log({ metaPressed });
|
||||
|
||||
return <div />;
|
||||
};
|
||||
|
||||
export default UseKeyPressComponent;
|
||||
@@ -0,0 +1,84 @@
|
||||
import { useCallback, useEffect } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
Background,
|
||||
MiniMap,
|
||||
Node,
|
||||
addEdge,
|
||||
ReactFlowProvider,
|
||||
Edge,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
OnConnect,
|
||||
useNodesInitialized,
|
||||
} from '@xyflow/react';
|
||||
|
||||
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',
|
||||
hidden: true,
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [
|
||||
{ id: 'e1-2', source: '1', target: '2', animated: true },
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
// { id: 'e3-4', source: '3', target: '4' }
|
||||
];
|
||||
|
||||
const UseZoomPanHelperFlow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
|
||||
const onConnect: OnConnect = useCallback((params) => setEdges((eds) => addEdge(params, eds)), []);
|
||||
const initialized = useNodesInitialized();
|
||||
|
||||
useEffect(() => {
|
||||
console.log('initialized', initialized);
|
||||
}, [initialized]);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onConnect={onConnect}
|
||||
fitView
|
||||
maxZoom={Infinity}
|
||||
>
|
||||
<Background />
|
||||
<MiniMap />
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
const WrappedFlow = () => (
|
||||
<ReactFlowProvider>
|
||||
<UseZoomPanHelperFlow />
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
|
||||
export default WrappedFlow;
|
||||
@@ -0,0 +1,36 @@
|
||||
import { useState, memo, FC, useMemo, CSSProperties } from 'react';
|
||||
import { Handle, Position, NodeProps, useUpdateNodeInternals } from '@xyflow/react';
|
||||
|
||||
const nodeStyles: CSSProperties = { padding: 10, border: '1px solid #ddd' };
|
||||
|
||||
const CustomNode: FC<NodeProps> = ({ id }) => {
|
||||
const [handleCount, setHandleCount] = useState(1);
|
||||
const updateNodeInternals = useUpdateNodeInternals();
|
||||
|
||||
const handles = useMemo(
|
||||
() =>
|
||||
Array.from({ length: handleCount }, (x, i) => {
|
||||
const handleId = `handle-${i}`;
|
||||
return <Handle key={handleId} type="source" position={Position.Right} id={handleId} style={{ top: 10 * i }} />;
|
||||
}),
|
||||
[handleCount]
|
||||
);
|
||||
|
||||
return (
|
||||
<div style={nodeStyles}>
|
||||
<Handle type="target" position={Position.Left} />
|
||||
<div>output handle count: {handleCount}</div>
|
||||
<button
|
||||
onClick={() => {
|
||||
setHandleCount((c) => c + 1);
|
||||
updateNodeInternals(id);
|
||||
}}
|
||||
>
|
||||
add handle
|
||||
</button>
|
||||
{handles}
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(CustomNode);
|
||||
@@ -0,0 +1,76 @@
|
||||
import { useCallback } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
addEdge,
|
||||
ReactFlowProvider,
|
||||
Node,
|
||||
Connection,
|
||||
Edge,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
useOnSelectionChange,
|
||||
OnSelectionChangeParams,
|
||||
} from '@xyflow/react';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'default',
|
||||
data: { label: 'Node 1' },
|
||||
position: { x: 250, y: 5 },
|
||||
},
|
||||
{
|
||||
id: '2',
|
||||
type: 'default',
|
||||
data: { label: 'Node 2' },
|
||||
position: { x: 250, y: 100 },
|
||||
},
|
||||
];
|
||||
|
||||
const initialEdges: Edge[] = [
|
||||
{
|
||||
id: 'e1-2',
|
||||
source: '1',
|
||||
target: '2',
|
||||
},
|
||||
];
|
||||
|
||||
const SelectionLogger = () => {
|
||||
const onChange = useCallback(({ nodes, edges }: OnSelectionChangeParams) => {
|
||||
console.log(nodes, edges);
|
||||
}, []);
|
||||
|
||||
useOnSelectionChange({
|
||||
onChange,
|
||||
});
|
||||
|
||||
return null;
|
||||
};
|
||||
|
||||
const Flow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = useCallback((params: Edge | Connection) => setEdges((els) => addEdge(params, els)), [setEdges]);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onConnect={onConnect}
|
||||
/>
|
||||
);
|
||||
};
|
||||
|
||||
const WrappedFlow = () => (
|
||||
<ReactFlowProvider>
|
||||
<Flow />
|
||||
<SelectionLogger />
|
||||
<div style={{ position: 'absolute', right: 10, top: 10, zIndex: 4 }}>
|
||||
<input type={'text'} placeholder={'name'} />
|
||||
</div>
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
|
||||
export default WrappedFlow;
|
||||
@@ -0,0 +1,169 @@
|
||||
import { useCallback, MouseEvent, useEffect } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
Background,
|
||||
MiniMap,
|
||||
Node,
|
||||
addEdge,
|
||||
useReactFlow,
|
||||
ReactFlowProvider,
|
||||
Connection,
|
||||
Edge,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
Panel,
|
||||
} from '@xyflow/react';
|
||||
|
||||
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 },
|
||||
{ id: 'e1-3', source: '1', target: '3' },
|
||||
// { id: 'e3-4', source: '3', target: '4' }
|
||||
];
|
||||
|
||||
let id = 5;
|
||||
|
||||
const getId = () => `${id++}`;
|
||||
|
||||
const UseZoomPanHelperFlow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
|
||||
const onConnect = (params: Connection | Edge) => setEdges((eds) => addEdge(params, eds));
|
||||
const {
|
||||
project,
|
||||
setCenter,
|
||||
zoomIn,
|
||||
zoomOut,
|
||||
fitView,
|
||||
addNodes,
|
||||
setNodes: setNodesHook,
|
||||
addEdges,
|
||||
getNodes,
|
||||
getEdges,
|
||||
deleteElements,
|
||||
} = useReactFlow();
|
||||
|
||||
const onPaneClick = useCallback(
|
||||
(evt: MouseEvent) => {
|
||||
const projectedPosition = project({
|
||||
x: evt.clientX,
|
||||
y: evt.clientY - 40,
|
||||
});
|
||||
|
||||
setNodes((nds) =>
|
||||
nds.concat({
|
||||
id: getId(),
|
||||
position: projectedPosition,
|
||||
data: {
|
||||
label: `${projectedPosition.x}-${projectedPosition.y}`,
|
||||
},
|
||||
})
|
||||
);
|
||||
},
|
||||
[project, setNodes]
|
||||
);
|
||||
|
||||
const onNodeClick = useCallback(
|
||||
(_: MouseEvent, node: Node) => {
|
||||
const { x, y } = node.position;
|
||||
setCenter(x, y, { zoom: 1, duration: 1200 });
|
||||
},
|
||||
[setCenter]
|
||||
);
|
||||
|
||||
const onAddNode = useCallback(() => {
|
||||
const newNode = {
|
||||
id: getId(),
|
||||
position: { x: Math.random() * 500, y: Math.random() * 500 },
|
||||
data: {
|
||||
label: 'New Node',
|
||||
},
|
||||
};
|
||||
|
||||
addNodes(newNode);
|
||||
}, [addNodes]);
|
||||
|
||||
const logNodes = useCallback(() => {
|
||||
console.log('nodes', getNodes());
|
||||
console.log('edges', getEdges());
|
||||
}, [getNodes, getEdges]);
|
||||
|
||||
const deleteSelectedElements = useCallback(() => {
|
||||
const selectedNodes = nodes.filter((node) => node.selected);
|
||||
const selectedEdges = edges.filter((edge) => edge.selected);
|
||||
deleteElements({ nodes: selectedNodes, edges: selectedEdges });
|
||||
}, [deleteElements, nodes, edges]);
|
||||
|
||||
const deleteSomeElements = useCallback(() => {
|
||||
deleteElements({ nodes: [{ id: '2' }], edges: [{ id: 'e1-3' }] });
|
||||
}, []);
|
||||
|
||||
useEffect(() => {
|
||||
addEdges({ id: 'e3-4', source: '3', target: '4' });
|
||||
}, [addEdges]);
|
||||
|
||||
const onResetNodes = useCallback(() => setNodesHook(initialNodes), [setNodesHook]);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onNodeClick={onNodeClick}
|
||||
onConnect={onConnect}
|
||||
onPaneClick={onPaneClick}
|
||||
fitView
|
||||
fitViewOptions={{ duration: 1200, padding: 0.2 }}
|
||||
maxZoom={Infinity}
|
||||
>
|
||||
<Panel position="top-right">
|
||||
<button onClick={() => zoomIn({ duration: 1200 })}>zoomIn</button>
|
||||
<button onClick={() => zoomOut({ duration: 0 })}>zoomOut</button>
|
||||
<button onClick={() => fitView({ duration: 1200, padding: 0.3 })}>fitView</button>
|
||||
<button onClick={onAddNode}>add node</button>
|
||||
<button onClick={onResetNodes}>reset nodes</button>
|
||||
<button onClick={logNodes}>useNodes</button>
|
||||
<button onClick={deleteSelectedElements}>deleteSelectedElements</button>
|
||||
<button onClick={deleteSomeElements}>deleteSomeElements</button>
|
||||
</Panel>
|
||||
<Background />
|
||||
<MiniMap />
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
const WrappedFlow = () => (
|
||||
<ReactFlowProvider>
|
||||
<UseZoomPanHelperFlow />
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
|
||||
export default WrappedFlow;
|
||||
@@ -0,0 +1,36 @@
|
||||
import { useState, memo, FC, useMemo, CSSProperties } from 'react';
|
||||
import { Handle, Position, NodeProps, useUpdateNodeInternals } from '@xyflow/react';
|
||||
|
||||
const nodeStyles: CSSProperties = { padding: 10, border: '1px solid #ddd' };
|
||||
|
||||
const CustomNode: FC<NodeProps> = ({ id }) => {
|
||||
const [handleCount, setHandleCount] = useState(1);
|
||||
const updateNodeInternals = useUpdateNodeInternals();
|
||||
|
||||
const handles = useMemo(
|
||||
() =>
|
||||
Array.from({ length: handleCount }, (x, i) => {
|
||||
const handleId = `handle-${i}`;
|
||||
return <Handle key={handleId} type="source" position={Position.Right} id={handleId} style={{ top: 10 * i }} />;
|
||||
}),
|
||||
[handleCount]
|
||||
);
|
||||
|
||||
return (
|
||||
<div style={nodeStyles}>
|
||||
<Handle type="target" position={Position.Left} />
|
||||
<div>output handle count: {handleCount}</div>
|
||||
<button
|
||||
onClick={() => {
|
||||
setHandleCount((c) => c + 1);
|
||||
updateNodeInternals([id]);
|
||||
}}
|
||||
>
|
||||
add handle
|
||||
</button>
|
||||
{handles}
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
export default memo(CustomNode);
|
||||
@@ -0,0 +1,74 @@
|
||||
import { useCallback, MouseEvent } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
NodeTypes,
|
||||
addEdge,
|
||||
useReactFlow,
|
||||
ReactFlowProvider,
|
||||
Node,
|
||||
Connection,
|
||||
Edge,
|
||||
Position,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import CustomNode from './CustomNode';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{
|
||||
id: '1',
|
||||
type: 'custom',
|
||||
data: { label: 'Node 1' },
|
||||
position: { x: 250, y: 5 },
|
||||
},
|
||||
];
|
||||
|
||||
const nodeTypes: NodeTypes = {
|
||||
custom: CustomNode,
|
||||
};
|
||||
|
||||
let id = 5;
|
||||
const getId = (): string => `${id++}`;
|
||||
|
||||
const UpdateNodeInternalsFlow = () => {
|
||||
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState([]);
|
||||
const onConnect = useCallback((params: Edge | Connection) => setEdges((els) => addEdge(params, els)), [setEdges]);
|
||||
|
||||
const { project } = useReactFlow();
|
||||
|
||||
const onPaneClick = useCallback(
|
||||
(evt: MouseEvent) =>
|
||||
setNodes((nds) =>
|
||||
nds.concat({
|
||||
id: getId(),
|
||||
position: project({ x: evt.clientX, y: evt.clientY - 40 }),
|
||||
data: { label: 'new node' },
|
||||
targetPosition: Position.Left,
|
||||
sourcePosition: Position.Right,
|
||||
})
|
||||
),
|
||||
[project, setNodes]
|
||||
);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
nodeTypes={nodeTypes}
|
||||
onConnect={onConnect}
|
||||
onPaneClick={onPaneClick}
|
||||
/>
|
||||
);
|
||||
};
|
||||
|
||||
const WrappedFlow = () => (
|
||||
<ReactFlowProvider>
|
||||
<UpdateNodeInternalsFlow />
|
||||
</ReactFlowProvider>
|
||||
);
|
||||
|
||||
export default WrappedFlow;
|
||||
@@ -0,0 +1,50 @@
|
||||
import { ReactFlowState, useStore } from '@xyflow/react';
|
||||
import { shallow } from 'zustand/shallow';
|
||||
|
||||
import styles from './validation.module.css';
|
||||
|
||||
const selector = (state: ReactFlowState) => ({
|
||||
connectionPosition: state.connectionPosition,
|
||||
connectionStatus: state.connectionStatus,
|
||||
connectionStartNodeId: state.connectionStartHandle?.nodeId,
|
||||
connectionStartHandleType: state.connectionStartHandle?.type,
|
||||
connectionEndNodeId: state.connectionEndHandle?.nodeId,
|
||||
connectionEndHandleType: state.connectionEndHandle?.type,
|
||||
});
|
||||
|
||||
function ConnectionStatus() {
|
||||
const {
|
||||
connectionPosition,
|
||||
connectionStatus,
|
||||
connectionStartNodeId,
|
||||
connectionStartHandleType,
|
||||
connectionEndNodeId,
|
||||
connectionEndHandleType,
|
||||
} = useStore(selector, shallow);
|
||||
|
||||
if (!connectionPosition) {
|
||||
return null;
|
||||
}
|
||||
|
||||
return (
|
||||
<div className={styles.connectionstatus}>
|
||||
{connectionStartNodeId ? (
|
||||
<>
|
||||
<div>
|
||||
<strong>connection info</strong>
|
||||
</div>
|
||||
<div>position: {JSON.stringify(connectionPosition)}</div>
|
||||
<div>status: {connectionStatus}</div>
|
||||
<div>from node id: {connectionStartNodeId}</div>
|
||||
<div>from handle type: {connectionStartHandleType}</div>
|
||||
<div>to node id: {connectionEndNodeId}</div>
|
||||
<div>to handle type: {connectionEndHandleType}</div>
|
||||
</>
|
||||
) : (
|
||||
'no connection data'
|
||||
)}
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
export default ConnectionStatus;
|
||||
@@ -0,0 +1,109 @@
|
||||
import { FC, useCallback, useState } from 'react';
|
||||
import {
|
||||
ReactFlow,
|
||||
addEdge,
|
||||
Handle,
|
||||
Connection,
|
||||
Position,
|
||||
Node,
|
||||
NodeProps,
|
||||
NodeTypes,
|
||||
useNodesState,
|
||||
useEdgesState,
|
||||
OnConnectStart,
|
||||
OnConnectEnd,
|
||||
OnConnect,
|
||||
updateEdge,
|
||||
Edge,
|
||||
IsValidConnection,
|
||||
} from '@xyflow/react';
|
||||
|
||||
import ConnectionStatus from './ConnectionStatus';
|
||||
|
||||
import styles from './validation.module.css';
|
||||
|
||||
const initialNodes: Node[] = [
|
||||
{ id: '0', type: 'custominput', position: { x: 0, y: 150 }, data: null },
|
||||
{ id: 'A', type: 'customnode', position: { x: 250, y: 0 }, data: null },
|
||||
{ id: 'B', type: 'customnode', position: { x: 250, y: 150 }, data: null },
|
||||
{ id: 'C', type: 'customnode', position: { x: 250, y: 300 }, data: null },
|
||||
];
|
||||
|
||||
const isValidConnection: IsValidConnection = (connection) => connection.target === 'B';
|
||||
|
||||
const CustomInput: FC<NodeProps> = () => (
|
||||
<>
|
||||
<div>Only connectable with B</div>
|
||||
<Handle type="source" position={Position.Right} />
|
||||
</>
|
||||
);
|
||||
|
||||
const CustomNode: FC<NodeProps> = ({ id }) => (
|
||||
<>
|
||||
<Handle type="target" position={Position.Left} isConnectableStart={false} />
|
||||
<div>{id}</div>
|
||||
<Handle type="source" position={Position.Right} />
|
||||
</>
|
||||
);
|
||||
|
||||
const nodeTypes: NodeTypes = {
|
||||
custominput: CustomInput,
|
||||
customnode: CustomNode,
|
||||
};
|
||||
|
||||
const ValidationFlow = () => {
|
||||
const [value, setValue] = useState(0);
|
||||
const [nodes, , onNodesChange] = useNodesState(initialNodes);
|
||||
const [edges, setEdges, onEdgesChange] = useEdgesState([]);
|
||||
|
||||
const onConnectStart: OnConnectStart = useCallback(
|
||||
(event, params) => {
|
||||
console.log('on connect start', params, event, value);
|
||||
setValue(1);
|
||||
},
|
||||
[value]
|
||||
);
|
||||
|
||||
const onConnect: OnConnect = useCallback(
|
||||
(params) => {
|
||||
console.log('on connect', params);
|
||||
setEdges((eds) => addEdge(params, eds));
|
||||
},
|
||||
[setEdges]
|
||||
);
|
||||
|
||||
const onConnectEnd: OnConnectEnd = useCallback(
|
||||
(event) => {
|
||||
console.log('on connect end', event, value);
|
||||
setValue(0);
|
||||
},
|
||||
[value]
|
||||
);
|
||||
|
||||
const onEdgeUpdate = useCallback(
|
||||
(oldEdge: Edge, newConnection: Connection) => setEdges((els) => updateEdge(oldEdge, newConnection, els)),
|
||||
[setEdges]
|
||||
);
|
||||
|
||||
return (
|
||||
<ReactFlow
|
||||
nodes={nodes}
|
||||
edges={edges}
|
||||
onNodesChange={onNodesChange}
|
||||
onEdgesChange={onEdgesChange}
|
||||
onConnect={onConnect}
|
||||
selectNodesOnDrag={false}
|
||||
className={styles.validationflow}
|
||||
nodeTypes={nodeTypes}
|
||||
onConnectStart={onConnectStart}
|
||||
onConnectEnd={onConnectEnd}
|
||||
onEdgeUpdate={onEdgeUpdate}
|
||||
isValidConnection={isValidConnection}
|
||||
fitView
|
||||
>
|
||||
<ConnectionStatus />
|
||||
</ReactFlow>
|
||||
);
|
||||
};
|
||||
|
||||
export default ValidationFlow;
|
||||
@@ -0,0 +1,48 @@
|
||||
.validationflow {
|
||||
}
|
||||
|
||||
.validationflow :global .react-flow__node {
|
||||
width: 150px;
|
||||
border-radius: 5px;
|
||||
padding: 10px;
|
||||
color: #555;
|
||||
border: 1px solid #ddd;
|
||||
text-align: center;
|
||||
font-size: 12px;
|
||||
}
|
||||
|
||||
.validationflow :global .react-flow__node-customnode {
|
||||
background: #e6e6e9;
|
||||
border: 1px solid #ddd;
|
||||
}
|
||||
|
||||
.validationflow :global .react-flow__node-custominput .react-flow__handle {
|
||||
background: #e6e6e9;
|
||||
}
|
||||
|
||||
.validationflow :global .react-flow__node-custominput {
|
||||
background: #fff;
|
||||
}
|
||||
|
||||
.validationflow :global .connecting {
|
||||
background: #ff6060;
|
||||
}
|
||||
|
||||
.validationflow :global .valid {
|
||||
background: #55dd99;
|
||||
}
|
||||
|
||||
.validationflow :global .valid .react-flow__connection-path {
|
||||
stroke: #55dd99;
|
||||
}
|
||||
|
||||
.validationflow :global .invalid .react-flow__connection-path {
|
||||
stroke: #ff6060;
|
||||
}
|
||||
|
||||
.connectionstatus {
|
||||
position: absolute;
|
||||
bottom: 20px;
|
||||
left: 50%;
|
||||
transform: translateX(-50%);
|
||||
}
|
||||
@@ -0,0 +1,82 @@
|
||||
body {
|
||||
font-family: sans-serif;
|
||||
color: #111;
|
||||
}
|
||||
|
||||
html,
|
||||
body,
|
||||
#root {
|
||||
margin: 0;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
#root {
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
}
|
||||
|
||||
header {
|
||||
padding: 10px;
|
||||
border-bottom: 1px solid #eee;
|
||||
display: flex;
|
||||
font-weight: 700;
|
||||
align-items: center;
|
||||
}
|
||||
|
||||
.logo {
|
||||
text-decoration: none;
|
||||
display: block;
|
||||
line-height: 1;
|
||||
}
|
||||
|
||||
header a,
|
||||
header a:focus,
|
||||
header a:active,
|
||||
header a:visited {
|
||||
color: #111;
|
||||
}
|
||||
|
||||
header a:hover {
|
||||
color: #333;
|
||||
}
|
||||
|
||||
header select {
|
||||
margin-left: 1em;
|
||||
}
|
||||
|
||||
.overview-example__add {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.react-flow__node a {
|
||||
font-weight: 700;
|
||||
color: #111;
|
||||
}
|
||||
|
||||
.react-flow__node.dark-node {
|
||||
background: #0041d0;
|
||||
color: #f8f8f8;
|
||||
}
|
||||
|
||||
.react-flow__node.dark {
|
||||
background: #557;
|
||||
color: #f8f8f8;
|
||||
}
|
||||
|
||||
.react-flow__node-selectorNode {
|
||||
font-size: 12px;
|
||||
background: #f0f2f3;
|
||||
border: 1px solid 555;
|
||||
border-radius: 5px;
|
||||
text-align: center;
|
||||
}
|
||||
|
||||
.react-flow__node-selectorNode .react-flow__handle {
|
||||
border-color: #f0f2f3;
|
||||
}
|
||||
|
||||
@media screen and (min-width: 768px) {
|
||||
.overview-example__add {
|
||||
display: block;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,12 @@
|
||||
import { StrictMode } from 'react';
|
||||
import { createRoot } from 'react-dom/client';
|
||||
import App from './App';
|
||||
|
||||
import './index.css';
|
||||
import '@xyflow/react/dist/style.css';
|
||||
|
||||
createRoot(document.getElementById('root') as HTMLElement).render(
|
||||
<StrictMode>
|
||||
<App />
|
||||
</StrictMode>
|
||||
);
|
||||
Vendored
+1
@@ -0,0 +1 @@
|
||||
/// <reference types="vite/client" />
|
||||
Reference in New Issue
Block a user