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127 lines
3.6 KiB
HTML
127 lines
3.6 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<title>Document</title>
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</head>
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<body>
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<div id="mountNode"></div>
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<script src="../build/g6.js"></script>
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<script>
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/**
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* 该案例演示如何自定义折线，有两种方式：
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* 1、继承line，复写getPath和getShapeStyle方法；
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* 2、复写draw方法。
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* by siogo 提供的 issue（https://github.com/antvis/g6/issues/814）
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*
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*/
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G6.registerNode('circleNode', {
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drawShape(cfg, group) {
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const keyShape = group.addShape('circle', {
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attrs: {
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x: 0,
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y: 0,
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r: 30,
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fill: '#87e8de'
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}
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});
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return keyShape;
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}
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}, 'circle');
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const data = {
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nodes: [
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{id: '7', x: 200, y: 200, size: 40, shape: 'circleNode',anchorPoints: [[1, 0.5], [1, 0]]},
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{id: '8', x: 400, y: 400, size: 40, shape: 'circleNode',anchorPoints: [[0, 0.5], [0, 1]]},
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],
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edges: [
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{source: '7', target: '8', shape: 'line-arrow-self',sourceAnchor: 0,targetAnchor: 0,}
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]
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};
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const graph = new G6.Graph({
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container: 'mountNode',
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width: 500,
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height: 500,
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modes: {
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// 支持的 behavior
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default: [ 'drag-node'],
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}
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});
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G6.registerEdge('line-arrow', {
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draw(cfg, group) {
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const { startPoint, endPoint } = cfg
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const keyShape = group.addShape('path', {
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attrs: {
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path: [
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['M', startPoint.x, startPoint.y],
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['L', endPoint.x / 3 + 2 / 3 * startPoint.x , startPoint.y],
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['L', endPoint.x / 3 + 2 / 3 * startPoint.x , endPoint.y],
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['L', endPoint.x, endPoint.y]
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],
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stroke: '#BBB',
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lineWidth: 1,
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startArrow: {
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path: 'M 6,0 L -6,-6 L -3,0 L -6,6 Z',
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d: 6
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},
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endArrow: {
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path: 'M 6,0 L -6,-6 L -3,0 L -6,6 Z',
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d: 6
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},
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className: 'edge-shape'
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}
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});
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return keyShape
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}
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});
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G6.registerEdge('line-arrow-self', {
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getPath(points) {
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const startPoint = points[0]
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const endPoint = points[1]
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return [
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['M', startPoint.x, startPoint.y],
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['L', endPoint.x / 3 + 2 / 3 * startPoint.x , startPoint.y],
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['L', endPoint.x / 3 + 2 / 3 * startPoint.x , endPoint.y],
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['L', endPoint.x, endPoint.y]
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]
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},
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getShapeStyle(cfg) {
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const startPoint = cfg.startPoint;
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const endPoint = cfg.endPoint;
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const controlPoints = this.getControlPoints(cfg);
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let points = [ startPoint ]; // 添加起始点
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// 添加控制点
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if (controlPoints) {
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points = points.concat(controlPoints);
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}
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// 添加结束点
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points.push(endPoint);
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const path = this.getPath(points);
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const style = G6.Util.mix({}, G6.Global.defaultEdge.style, {
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stroke: '#BBB',
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lineWidth: 1,
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path,
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startArrow: {
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path: 'M 6,0 L -6,-6 L -3,0 L -6,6 Z',
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d: 6
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},
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endArrow: {
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path: 'M 6,0 L -6,-6 L -3,0 L -6,6 Z',
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d: 6
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},
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}, cfg.style);
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return style;
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},
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}, 'line');
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graph.data(data)
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graph.render()
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</script>
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</body>
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</html> |