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98 lines
2.3 KiB
JavaScript
98 lines
2.3 KiB
JavaScript
import { Graph, Extensions, extend } from '@antv/g6';
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const ExtGraph = extend(Graph, {
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layouts: {
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fruchterman: Extensions.FruchtermanLayout,
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},
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});
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const container = document.getElementById('container');
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const width = container.scrollWidth;
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const height = container.scrollHeight || 500;
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fetch('https://gw.alipayobjects.com/os/antvdemo/assets/data/relations.json')
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.then((res) => res.json())
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.then((data) => {
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const graph = new ExtGraph({
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container: 'container',
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width,
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height,
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transforms: ['transform-v4-data'],
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node: {
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labelShape: {
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text: {
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fields: ['id'],
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formatter: (node) => node.id,
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},
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},
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labelBackgroundShape: {},
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animates: {
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update: [
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{
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fields: ['opacity'],
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shapeId: 'haloShape',
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},
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{
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fields: ['lineWidth'],
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shapeId: 'keyShape',
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},
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],
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},
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},
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layout: {
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type: 'fruchterman',
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speed: 20,
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gravity: 1,
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animated: true,
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maxIteration: 500,
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},
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theme: {
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type: 'spec',
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specification: {
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node: {
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dataTypeField: 'cluster',
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},
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edge: {
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dataTypeField: 'cluster',
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},
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},
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},
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autoFit: 'view',
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modes: {
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default: ['zoom-canvas', 'drag-canvas', 'drag-node', 'click-select'],
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},
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data,
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});
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/******** 拖拽固定节点的逻辑 *********/
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graph.on('node:dragstart', function (e) {
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graph.stopLayout();
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});
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graph.on('node:drag', function (e) {
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refreshDragedNodePosition(e);
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});
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graph.on('node:dragend', (e) => {
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graph.layout();
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});
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function refreshDragedNodePosition(e) {
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const { x, y } = e.canvas;
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graph.updateData('node', {
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id: e.itemId,
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data: {
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fx: x,
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fy: y,
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x,
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y,
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},
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});
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}
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/*********************************/
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if (typeof window !== 'undefined')
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window.onresize = () => {
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if (!graph || graph.destroyed) return;
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if (!container || !container.scrollWidth || !container.scrollHeight) return;
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graph.setSize([container.scrollWidth, container.scrollHeight]);
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};
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});
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