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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, initNodeData } 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,
| data: initNodeData,
| });
|
| const rect2 = graph.addNode({
| x: 240,
| y: 240,
| width: 120,
| height: 40,
| label: '库存管理',
| ports: commonGraphPorts,
| attrs: commonGraphAttrs,
| data: initNodeData,
| });
|
| 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
| },
| }),
| )
|
|
| graph.fromJSON({
| "cells": [
| {
| "shape": "edge",
| "attrs": {
| "line": {
| "stroke": "#A2B1C3",
| "targetMarker": {
| "name": "block",
| "width": 12,
| "height": 8
| }
| }
| },
| "id": "2475ea4f-f0e3-4b44-add4-7d4950ddea45",
| "zIndex": 0,
| "source": {
| "cell": "71d8bc90-558f-489f-b432-a03d7af27cdc",
| "port": "port2"
| },
| "target": {
| "cell": "c5798537-a8a0-4d79-bd76-a4f663492126",
| "port": "port1"
| },
| "data": {
| "codeContent": null,
| "root": false,
| "isLogic": false,
| "logicBool": false,
| "searchLogicId": 1,
| "searchLogicBool": true,
| "searchIndex": 0
| },
| "labels": [
| {
| "attrs": {
| "label": {
| "text": ""
| }
| }
| }
| ]
| },
| {
| "shape": "edge",
| "attrs": {
| "line": {
| "stroke": "#A2B1C3",
| "targetMarker": {
| "name": "block",
| "width": 12,
| "height": 8
| }
| }
| },
| "id": "2c3744b4-45ce-44a6-b169-402eaec24174",
| "zIndex": 0,
| "source": {
| "cell": "c5798537-a8a0-4d79-bd76-a4f663492126",
| "port": "port2"
| },
| "target": {
| "cell": "3ca188b2-9ffe-4528-ba6e-c1568b6d7fe6",
| "port": "port1"
| },
| "data": {
| "codeContent": null,
| "root": false,
| "isLogic": false,
| "logicBool": false,
| "searchLogicId": 1,
| "searchLogicBool": true,
| "searchIndex": 0
| },
| "labels": [
| {
| "attrs": {
| "label": {
| "text": ""
| }
| }
| }
| ]
| },
| {
| "shape": "edge",
| "attrs": {
| "line": {
| "stroke": "#A2B1C3",
| "targetMarker": {
| "name": "block",
| "width": 12,
| "height": 8
| }
| }
| },
| "id": "56181ccf-a41c-4cd8-82d6-e2a4bde31ba9",
| "zIndex": 0,
| "source": {
| "cell": "3ca188b2-9ffe-4528-ba6e-c1568b6d7fe6",
| "port": "port2"
| },
| "target": {
| "cell": "63db5ce0-b916-44e4-a924-a79b35afe1d1",
| "port": "port1"
| },
| "data": {
| "codeContent": null,
| "root": false,
| "isLogic": false,
| "logicBool": true,
| "searchLogicId": 1,
| "searchLogicBool": true,
| "searchIndex": 0
| },
| "labels": [
| {
| "attrs": {
| "label": {
| "text": "true"
| }
| }
| }
| ]
| },
| {
| "shape": "edge",
| "attrs": {
| "line": {
| "stroke": "#A2B1C3",
| "targetMarker": {
| "name": "block",
| "width": 12,
| "height": 8
| }
| }
| },
| "id": "73ca24ef-e9d4-4f18-9f06-ca49ac65962a",
| "zIndex": 0,
| "source": {
| "cell": "cc993d9b-ce11-409d-92c6-7208682dcc8b",
| "port": "port4"
| },
| "target": {
| "cell": "06d450fc-474e-4b23-b40d-c89fde446b28",
| "port": "port3"
| },
| "data": {
| "codeContent": null,
| "root": false,
| "isLogic": false,
| "logicBool": false,
| "searchLogicId": 1,
| "searchLogicBool": true,
| "searchIndex": 0
| },
| "labels": [
| {
| "attrs": {
| "label": {
| "text": "false"
| }
| }
| }
| ]
| },
| {
| "shape": "edge",
| "attrs": {
| "line": {
| "stroke": "#A2B1C3",
| "targetMarker": {
| "name": "block",
| "width": 12,
| "height": 8
| }
| }
| },
| "id": "84a3a77c-79e8-4cf8-9bab-a72bbfc77f1d",
| "zIndex": 0,
| "source": {
| "cell": "cc993d9b-ce11-409d-92c6-7208682dcc8b",
| "port": "port2"
| },
| "target": {
| "cell": "cd9da0a4-5c2d-4f1b-9c51-403b32f1ad51",
| "port": "port1"
| },
| "data": {
| "codeContent": null,
| "root": false,
| "isLogic": false,
| "logicBool": true,
| "searchLogicId": 1,
| "searchLogicBool": true,
| "searchIndex": 0
| },
| "labels": [
| {
| "attrs": {
| "label": {
| "text": "true"
| }
| }
| }
| ]
| },
| {
| "shape": "edge",
| "attrs": {
| "line": {
| "stroke": "#A2B1C3",
| "targetMarker": {
| "name": "block",
| "width": 12,
| "height": 8
| }
| }
| },
| "id": "93d65ae7-f170-466a-92ea-f69614002800",
| "zIndex": 0,
| "source": {
| "cell": "c844f3d1-02a3-47d3-bcb9-51027c1deb1c",
| "port": "port2"
| },
| "target": {
| "cell": "cc993d9b-ce11-409d-92c6-7208682dcc8b",
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| "position": "right",
| "attrs": {
| "circle": {
| "r": 5,
| "magnet": true,
| "stroke": "#5F95FF",
| "strokeWidth": 1,
| "fill": "#fff",
| "style": {
| "visibility": "hidden"
| }
| }
| }
| }
| },
| "items": [
| {
| "id": "port1",
| "group": "top"
| },
| {
| "id": "port2",
| "group": "bottom"
| },
| {
| "id": "port3",
| "group": "left"
| },
| {
| "id": "port4",
| "group": "right"
| }
| ]
| }
| }
| ]
| })
|
|
| 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 n1Data = JSON.parse(JSON.stringify(initNodeData))
| n1Data.root = true;//设置为根节点
| const n1 = graph.createNode({
| shape: "rect",
| width: 80,
| height: 40,
| label: "程序入口",
| attrs: commonGraphAttrs,
| ports: commonGraphPorts,
| data: n1Data,
| })
|
| const n2 = graph.createNode({
| shape: "rect",
| width: 80,
| height: 40,
| label: "常用组件",
| attrs: commonGraphAttrs,
| ports: commonGraphPorts,
| data: initNodeData,
| })
|
| const n3Data = JSON.parse(JSON.stringify(initNodeData))
| n3Data.isLogic = true;//逻辑判断
| const n3 = graph.createNode({
| shape: 'path',
| width: 100,
| height: 60,
| // https://www.svgrepo.com/svg/13653/like
| path: 'M 50 0 L 100 50 L 50 100 L 0 50 Z',
| attrs: commonGraphAttrs,
| label: '逻辑判断',
| ports: commonGraphPorts,
| data: n3Data,
| })
|
| stencil.load([n1, n2, n3], '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} />
| </>
| );
| })
|
|
