<template>
<div class="header">
<!-- <div id="container"></div> -->
<div>Tree Id:0 Tree Size: 15</div>
<div class="main-content-box">
<svg id="svg-canvas" width=850 height=400>
<g />
<rect />
</svg>
</div>
</div>
</template>
<script>
import G6 from "@antv/g6";
import dagreD3 from "dagre-d3";
import * as d3 from "d3";
export default {
name: "nodeByDiy",
data() {
return {
state: [],
edg: [],
g,
listData: null,
};
},
mounted() {
// this.getInit()
this.fn();
//獲取D3
this.$nextTick(() => {});
},
methods: {
fn() {
this.state = [
{ label: "ppppppppp\n節點1", class: "type-suss" },
{ label: "ppppppppp\n節點2", class: "type-TOP" },
{ label: "ppppppppp\n節點3111", class: "type-TOP" },
{ label: "ppppppppp\n節點5111", class: "type-TOP" },
{ label: "ppppppppp\n節點6", class: "type-TOP" },
{ label: "ppppppppp\n節點7", class: "type-TOP" },
{ label: "ppppppppp\n節點8", class: "type-TOP" },
];
this.edg = [
{ start: 0, end: 1, option: {} },
{ start: 0, end: 2, option: {} },
{ start: 1, end: 4, option: {} },
{ start: 1, end: 5, option: {} },
{ start: 2, end: 6, option: {} },
{ start: 2, end: 3, option: {} },
];
this.g = new dagreD3.graphlib.Graph()
.setGraph({})
.setDefaultEdgeLabel(function () {
return {};
});
var render = new dagreD3.render();
var svg = d3.select("#svgCanvas"); //聲明節點
svg.select("g").remove(); //刪除以前的節點，清空畫面
var svgGroup = svg.append("g");
var inner = svg.select("g");
var zoom = d3.zoom().on("zoom", function () {
//添加鼠標滾輪放大縮小事件
inner.attr("transform", d3.event.transform);
});
svg.call(zoom);
this.drawNode(); //畫點
this.drawEdg(); // 畫連線
render(d3.select("svg g"), this.g); //渲染節點
let max =
svg._groups[0][0].clientWidth > svg._groups[0][0].clientHeight
? svg._groups[0][0].clientWidth
: svg._groups[0][0].clientHeight;
var initialScale = max / 779; //initialScale元素放大倍數，隨着父元素寬高發生變化時改變初始渲染大小
var tWidth =
(svg._groups[0][0].clientWidth - this.g.graph().width * initialScale) /
2; //水平居中
var tHeight =
(svg._groups[0][0].clientHeight -
this.g.graph().height * initialScale) /
2; //垂直居中
svg.call(
zoom.transform,
d3.zoomIdentity.translate(tWidth, tHeight).scale(initialScale)
); //元素水平垂直居中
},
drawNode() {
for (let i in this.state) {
//畫點
let el = this.state[i];
this.g.setNode(i, {
rx : 5,
ry: 5,
width: 150,
height:60,
id: i,
label: el.label,
class: el.class,
style: "fill: #3c79f2;",
});
}
},
drawEdg() {
for (let i in this.edg) {
// 畫連線
let el = this.edg[i];
this.g.setEdge(el.start, el.end, {
style: "stroke: #0fb2cc; fill: none;",
arrowheadStyle: "fill: #0fb2cc;stroke: #0fb2cc;",
arrowhead: "vee",
});
}
},
getInit() {
var g = new dagreD3.graphlib.Graph();
console.log(g, "ggg");
// 注冊節點。類型為開始或者結束類型
G6.registerNode(
"start-or-end",
{
drawShape: function (_cfg, group) {
let width = cfg.size[0];
let height = cfg.size[1];
let stroke = cfg.style.stroke; // 樣式屬性，元素的描邊色
let fill = cfg.style.fill; // 樣式屬性，元素的填充色
let rect = group.addShape("rect", {
attrs: {
x: -width / 2,
y: -height / 2,
width,
height,
radius: height / 2,
stroke,
fill,
lineWidth: 1,
},
name: "start-or-end",
});
return rect;
},
},
"single-node"
);
console.log(G6.registerNode, "G6.registerNode");
// 注冊節點。類型為子流程類型節點
G6.registerNode(
"sub-process",
{
drawShape: function (cfg, group) {
console.log(cfg, "---", group, "gr");
let width = cfg.size[0];
let height = cfg.size[1];
let stroke = cfg.style.stroke;
let fill = cfg.style.fill;
//大的矩形
let subProcess = group.addShape("rect", {
attrs: {
x: -width / 2,
y: -height / 2,
height,
width,
fill,
stroke,
},
name: "sub-process",
});
// 左邊
group.addShape("rect", {
attrs: {
x: -(width / 2 - 20),
y: -height / 2,
height,
width: 1,
fill: "#fff",
stroke: "#fff",
},
});
// 右邊
group.addShape("rect", {
attrs: {
x: width / 2 - 20,
y: -height / 2,
height,
width: 1,
fill: "#fff",
stroke: "#fff",
},
});
return subProcess;
},
},
"rect"
);
// 注冊節點。類型為文檔類型節點
G6.registerNode(
"document-node",
{
drawShape: function (cfg, group) {
let width = cfg.size[0];
let height = cfg.size[1];
let stroke = cfg.style.stroke;
let fill = cfg.style.fill;
let documentNodes = group.addShape("path", {
attrs: {
path: [
["M", -width / 2, 0 - height / 2], // 坐上
["L", width / 2, -height / 2], // 右上
["L", width / 2, height / 3], // 右下
[
"C",
width / 4,
-height / 8,
-width / 4,
(height * 6) / 8,
-width / 2,
height / 2,
], // 弧線
["Z"],
],
fill,
stroke,
},
name: "document-node",
});
return documentNodes;
},
},
"single-node"
);
// 注冊邊。繼承polyline，添加流動效果
G6.registerEdge(
"cus-polyline",
{
afterDraw(cfg, group) {
let shape = group.get("children")[0];
let index = 0;
shape.animate(
() => {
index++;
if (index > 9) {
index = 0;
}
let animateLine = {
lineDash: [4, 5, 1, 2],
lineDashOffset: -index,
};
return animateLine;
},
{
repeat: true,
duration: 5000,
}
);
},
},
"polyline"
);
const width = document.getElementById("container").scrollWidth * 0.95;
// console.log(width, 'width-node');
const height = document.getElementById("container").scrollHeight || 800;
// console.log(height, 'height-node');
const graph = new G6.Graph({
container: "container",
width,
height,
modes: {
default: [
"drag-canvas",
// 'drag-node', // 拖動元素
// 'zoom-canvas' //畫面縮放
],
},
// 節點在默認狀態下的樣式配置（style）和其他配置
defaultNode: {
type: "rect",
// type: 'circle',
size: [80, 75], // 節點大小
color: "#3e62ae",
// 節點樣式配置
style: {
fill: "#DEE9FF", // 節點填充色
stroke: "#5B8FF9", // 節點描邊色
// lineWidth: 1, // 節點描邊粗細
},
// 節點上的標簽文本配置
labelCfg: {
style: {
fill: "#ffffff", // 節點標簽文字顏色
fontSize: 16,
},
},
F: [
[0, 0.5],
[0.5, 0],
[1, 0.5],
[0.5, 1],
],
},
// 邊在默認狀態下的樣式配置（style）和其他配置
defaultEdge: {
type: "cus-polyline",
// 邊樣式配置
style: {
offset: 30,
endArrow: true,
stroke: "blue", // 邊描邊顏色
// opacity: 0.6, // 邊透明度
},
},
layout: {
// type: 'force', // 設置布局算法為 force
linkDistance: 100, // 設置邊長為 100
preventOverlap: true, // 設置防止重疊
},
});
graph.data(this.gDatas);
console.log(graph, "graph- datanode11");
graph.render();
graph.fitView();
},
},
};
</script>
<style lang='scss' scoped>
.main-content-box {
border: solid 1px #000;
}
#svg-canvas {
padding-top: 20px;
margin-left: 25%;
// width: 100%;
// height: 100%;
}
</style>