g6/demos/custom-node-line-chart.html

194 lines
5.3 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>折线图节点</title>
<style>
#mountNode {
background:#001528;
}
</style>
</head>
<body>
<div id="mountNode"></div>
<script src="../build/g6.js"></script>
<script>
/**
* 该案例演示如何自定义一个折线图节点
* by 镜曦
*
*/
// 自定义折线图节点
G6.registerNode('circleLine', {
draw(cfg, group) {
const size = cfg.size || [40, 40]; // 如果没有 size 时的默认大小
const width = size[0];
const height = size[1];
const baseR = 30;
let nowAngle = 0;
// Ref line
let refR = baseR;
const refInc = 10;
for(let i = 0; i< 5; i++){
group.addShape('circle', {
// attrs: style
attrs: {
x: 0, // 居中
y: 0,
r: refR += refInc,
stroke:'rgba(255,255,255,0.4)',
lineDash:[4, 4],
}
});
}
const everyIncAngle = 2 * Math.PI * (360 / 5 / 5) / 360;
cfg.details.forEach(cat =>{
// 计算一系列点的位置
const postions = [];
cat.values.forEach((item, index) =>{
const r = baseR + item;
const xPos = r * Math.cos(nowAngle);
const yPos = r * Math.sin(nowAngle);
nowAngle += everyIncAngle;
postions.push([xPos, yPos]);
if(index === 4){
const r = baseR + item;
const xPos = r * Math.cos(nowAngle );
const yPos = r * Math.sin(nowAngle );
postions.push([xPos, yPos]);
}
});
const pathArrayL = postions.map(item =>(["L", ...item]));
// 添加连线
const shape = group.addShape('path', {
attrs: {
path: [
['M', 0, 0 ], // 上部顶点
...pathArrayL,
['Z'] // 封闭
],
stroke: cat.color // 颜色应用到边上,如果应用到填充,则使用 fill: cfg.color
}
});
// 添加标注点
postions.forEach(( pos, index )=>{
if(index !== 5){
const littleCircle = group.addShape('circle', {
// attrs: style
attrs: {
x: pos[0], // 居中
y: pos[1],
r: 2,
fill: 'black',
stroke:cat.color,
cursor: "pointer",
}
});
// 加上交互动画
littleCircle.on('mouseenter', function(evt) {
littleCircle.animate({
r: 5,
repeat: false
}, 200);
});
littleCircle.on('mouseleave', function(evt) {
littleCircle.animate({
r: 2,
repeat: false
}, 200);
});
// 设置class
littleCircle.set("className", 'littleCircle');
}
})
/*
const shape = group.addShape('path', {
attrs: {
path: [
['M', 0, 0 ], // 上部顶点
['L', width / 2, 0], // 右侧点
['L', 0, height / 2], // 下部
['L', - width / 2, 0], // 左侧
['Z'] // 封闭
],
stroke: cfg.color // 颜色应用到边上,如果应用到填充,则使用 fill: cfg.color
}
});
*/
});
// 添加一个和背景色相同的圆形
group.addShape('circle', {
// attrs: style
attrs: {
x: 0, // 居中
y: 0,
r: baseR,
fill: cfg.centerColor,
stroke:'darkgray',
}
});
if(cfg.label) {
group.addShape('text', {
// attrs: style
attrs: {
x: 0, // 居中
y: 0,
textAlign: 'center',
textBaseline: 'middle',
text: cfg.label,
fill: 'white',
fontStyle:'bold',
}
});
}
return group;
}
});
const graph = new G6.Graph({
container: 'mountNode',
width: 500,
height: 500
})
const data = {
nodes: [
{
id: 'nodeB',
x: 400,
y: 150,
label: 'Line',
shape:'circleLine',
anchorPoints: [
[0, 0.5], [1, 0.5]
],
details:[
{cat:'pv', values:[20,30,40,30,30], color:"#25cbfd"},
{cat:'dal', values:[40,30,20,30,50], color:"#feff7b"},
{cat:'uv', values:[40,30,30,40,40], color:"#feab3a"},
{cat:'sal', values:[20,30,50,20,20], color:"#fe5766"},
{cat:'cal', values:[10,10,20,20,20], color:"#16c176"},
],
centerColor:'#0066FF',
}
]
}
graph.data(data)
graph.render()
</script>
</body>
</html>