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| import React, { useEffect, useState } from 'react';
| import ReactDOM from 'react-dom';
| import { data } from './data';
| import G6 from '@antv/g6';
| import "./index.css"
|
| export default function() {
| const ref = React.useRef(null);
| let graph = null;
|
| useEffect(() => {
| if (!graph) {
| graph = new G6.Graph({
| container: ReactDOM.findDOMNode(ref.current),
| width: document.documentElement.clientWidth,
| height: document.documentElement.clientHeight,
| modes: {
| default: [
| 'drag-canvas',
| 'zoom-canvas',
| 'drag-node',
| ],
| edit: ['click-select']
| },
| layout: {
| type: 'dagre',
| direction: 'LR',
| },
| defaultNode: {
| shape: 'node',
| type: 'rect',
| labelCfg: {
| style: {
| fill: '#000000A6',
| fontSize: 14,
| },
| },
| style: {
| // 仅在 keyShape 上生效
| fill: 'lightblue',
| stroke: '#888',
| lineWidth: 1,
| radius: 7,
| },
| linkPoints: {
| top: true,
| bottom: true,
| left: true,
| right: true,
| // ... 四个圆的样式可以在这里指定
| },
| },
| defaultEdge: {
| shape: 'polyline',
| },
| nodeStateStyles: {
| // 各状态下的样式，平铺的配置项仅在 keyShape 上生效。需要在其他 shape 样式上响应状态变化则写法不同，参见上文提到的 配置状态样式 链接
| hover: {
| fillOpacity: 0.1,
| lineWidth: 1,
| },
| },
| });
| }
| graph.data(data);
| graph.render();
|
| // 监听鼠标进入节点事件
| graph.on('node:mouseenter', (evt) => {
| const node = evt.item;
| // 激活该节点的 hover 状态
| graph.setItemState(node, 'hover', true);
| });
|
| // 监听鼠标离开节点事件
| graph.on('node:mouseleave', (evt) => {
| const node = evt.item;
| // 关闭该节点的 hover 状态
| graph.setItemState(node, 'hover', false);
| });
|
| graph.on('node:click', (evt) => {
| const node = evt.item;
| const model = node.getModel();
| // 在这里打开模态框或者编辑表格，传入model以便用于初始化编辑内容
| showModal(model);
| });
| }, []);
|
| return <div ref={ref}></div>;
| }
|
|
