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| import React, { useRef, useEffect } from "react";
| import { Graph, Shape } from "@antv/x6";
| import { Snapline } from '@antv/x6-plugin-snapline';
| import { Selection } from '@antv/x6-plugin-selection';
| import { Keyboard } from '@antv/x6-plugin-keyboard';
| import { Clipboard } from '@antv/x6-plugin-clipboard';
| import { Stencil } from '@antv/x6-plugin-stencil';
| import { History } from '@antv/x6-plugin-history'
| import { Transform } from '@antv/x6-plugin-transform'
| import { commonGraphPorts, commonGraphAttrs, initGraphConnecting } from "./GraphConfig";
|
| export const GraphComponent = React.forwardRef((props, ref) => {
| const container = useRef(null);
| const stencilContainer = useRef(null);
|
| useEffect(() => {
| const graph = initGrap();
| initBind(graph);
| initStencil(graph);
|
| return () => graph.dispose();
| })
|
| function initGrap() {
| ref.current = new Graph({
| container: container.current,
| width: document.documentElement.clientWidth,
| height: document.documentElement.clientHeight - 100,
| // width: 200,
| // height: 500,
| connecting: initGraphConnecting,
| });
|
| const graph = ref.current;
|
| const rect = graph.addNode({
| x: 60,
| y: 60,
| width: 120,
| height: 40,
| label: '订单管理',
| ports: commonGraphPorts,
| attrs: commonGraphAttrs,
| });
|
| const rect2 = graph.addNode({
| x: 240,
| y: 240,
| width: 120,
| height: 40,
| label: '库存管理',
| ports: commonGraphPorts,
| attrs: commonGraphAttrs,
| });
|
| graph.use(
| new Snapline({
| enabled: true,
| }),
| )
|
| graph.use(
| new Selection({
| enabled: true,
| multiple: true,
| rubberband: true,
| movable: true,
| showNodeSelectionBox: true,
| }),
| )
|
| graph.use(
| new History({
| enabled: true,
| }),
| )
|
| graph.use(
| new Transform({
| resizing: {
| enabled: true
| },
| }),
| )
|
| props.initHandle();//通知父组件初始化完成
| return graph;
| }
|
| function initStencil(graph) {
| const stencil = new Stencil({
| title: '全部',
| target: graph,
| search(cell, keyword) {
| return cell.label.indexOf(keyword) !== -1
| },
| placeholder: '搜索组件',
| notFoundText: '组件不存在',
| collapsable: true,
| stencilGraphHeight: 0,
| groups: [
| {
| name: 'group1',
| title: '常用组件',
| }
| ],
| })
|
| stencilContainer.current.appendChild(stencil.container)
|
| const n1 = graph.createNode({
| shape: "rect",
| width: 80,
| height: 40,
| label: "默认组件",
| attrs: commonGraphAttrs,
| ports: commonGraphPorts
| })
|
| const n2 = graph.createNode({
| shape: "rect",
| width: 80,
| height: 40,
| label: "测试组件",
| attrs: commonGraphAttrs,
| ports: commonGraphPorts
| })
|
| stencil.load([n1, n2], 'group1')
| }
|
| function initBind(graph) {
| graph.use(
| new Clipboard({
| enabled: true,
| }),
| )
|
| graph.use(
| new Keyboard({
| enabled: true,
| global: true,
| })
| )
|
| graph.bindKey('ctrl+c', () => {
| const cells = graph.getSelectedCells()
| if (cells.length) {
| graph.copy(cells)
| }
| return false
| })
|
| graph.bindKey('ctrl+v', () => {
| if (!graph.isClipboardEmpty()) {
| const cells = graph.paste({ offset: 32 })
| graph.cleanSelection()
| graph.select(cells)
| }
| return false
| })
|
| graph.bindKey('ctrl+z', () => {
| if (graph.canUndo()) {
| graph.undo()
| }
| return false
| })
|
| graph.bindKey('ctrl+y', () => {
| if (graph.canRedo()) {
| graph.redo()
| }
| return false
| })
|
| graph.bindKey('del', (e) => {
| let nodeSelected = graph.getSelectedCells(); // 获取选中的元素
| nodeSelected.forEach(cell => {
| graph.removeCell(cell)
| })
| return false
| })
|
| graph.on('node:mouseenter', ({ node }) => {
| const ports = document.querySelectorAll(".x6-port-body")
| for (let i = 0, len = ports.length; i < len; i += 1) {
| ports[i].style.visibility = 'visible'
| }
| })
|
| graph.on('node:mouseleave', ({ node }) => {
| const ports = document.querySelectorAll(".x6-port-body")
| for (let i = 0, len = ports.length; i < len; i += 1) {
| ports[i].style.visibility = 'hidden'
| }
| })
|
| }
|
| return (
| <>
| <div className="app-stencil" ref={stencilContainer} />
| <div className="app-content" ref={container} />
| </>
| );
| })
|
|
