Files
xyflow/src/container/ReactFlow/index.tsx
T

134 lines
3.9 KiB
TypeScript

import React, { useMemo, CSSProperties, HTMLAttributes } from 'react';
import cx from 'classnames';
import { StoreProvider } from 'easy-peasy';
const nodeEnv: string = process.env.NODE_ENV as string;
if (nodeEnv !== 'production') {
const whyDidYouRender = require('@welldone-software/why-did-you-render');
whyDidYouRender(React);
}
import GraphView from '../GraphView';
import DefaultNode from '../../components/Nodes/DefaultNode';
import InputNode from '../../components/Nodes/InputNode';
import OutputNode from '../../components/Nodes/OutputNode';
import { createNodeTypes } from '../NodeRenderer/utils';
import SelectionListener from '../../components/SelectionListener';
import BezierEdge from '../../components/Edges/BezierEdge';
import StraightEdge from '../../components/Edges/StraightEdge';
import StepEdge from '../../components/Edges/StepEdge';
import { createEdgeTypes } from '../EdgeRenderer/utils';
import store from '../../store';
import { Elements, NodeTypesType, EdgeTypesType, OnLoadFunc, Node, Edge, Connection } from '../../types';
import '../../style.css';
export interface ReactFlowProps extends Omit<HTMLAttributes<HTMLDivElement>, 'onLoad'> {
elements: Elements;
onElementClick?: (element: Node | Edge) => void;
onElementsRemove?: (elements: Elements) => void;
onNodeDragStart?: (node: Node) => void;
onNodeDragStop?: (node: Node) => void;
onConnect?: (connection: Edge | Connection) => void;
onLoad?: OnLoadFunc;
onMove?: () => void;
onSelectionChange?: (elements: Elements | null) => void;
nodeTypes: NodeTypesType;
edgeTypes: EdgeTypesType;
connectionLineType: string;
connectionLineStyle: CSSProperties;
deleteKeyCode: number;
selectionKeyCode: number;
snapToGrid: boolean;
snapGrid: [number, number];
onlyRenderVisibleNodes: boolean;
isInteractive: boolean;
selectNodesOnDrag: boolean;
}
const ReactFlow = ({
style,
onElementClick,
elements = [],
className,
children,
nodeTypes,
edgeTypes,
onLoad,
onMove,
onElementsRemove,
onConnect,
onNodeDragStart,
onNodeDragStop,
onSelectionChange,
connectionLineType,
connectionLineStyle,
deleteKeyCode,
selectionKeyCode,
snapToGrid,
snapGrid,
onlyRenderVisibleNodes,
isInteractive,
selectNodesOnDrag,
}: ReactFlowProps) => {
const nodeTypesParsed = useMemo(() => createNodeTypes(nodeTypes), []);
const edgeTypesParsed = useMemo(() => createEdgeTypes(edgeTypes), []);
return (
<div style={style} className={cx('react-flow', className)}>
<StoreProvider store={store}>
<GraphView
onLoad={onLoad}
onMove={onMove}
onElementClick={onElementClick}
onNodeDragStart={onNodeDragStart}
onNodeDragStop={onNodeDragStop}
nodeTypes={nodeTypesParsed}
edgeTypes={edgeTypesParsed}
connectionLineType={connectionLineType}
connectionLineStyle={connectionLineStyle}
selectionKeyCode={selectionKeyCode}
onElementsRemove={onElementsRemove}
deleteKeyCode={deleteKeyCode}
elements={elements}
onConnect={onConnect}
snapToGrid={snapToGrid}
snapGrid={snapGrid}
onlyRenderVisibleNodes={onlyRenderVisibleNodes}
isInteractive={isInteractive}
selectNodesOnDrag={selectNodesOnDrag}
/>
{onSelectionChange && <SelectionListener onSelectionChange={onSelectionChange} />}
{children}
</StoreProvider>
</div>
);
};
ReactFlow.displayName = 'ReactFlow';
ReactFlow.defaultProps = {
nodeTypes: {
input: InputNode,
default: DefaultNode,
output: OutputNode,
},
edgeTypes: {
default: BezierEdge,
straight: StraightEdge,
step: StepEdge,
},
connectionLineType: 'bezier',
connectionLineStyle: {},
deleteKeyCode: 8,
selectionKeyCode: 16,
snapToGrid: false,
snapGrid: [16, 16],
onlyRenderVisibleNodes: true,
isInteractive: true,
selectNodesOnDrag: true,
};
export default ReactFlow;