g6/demos/tree-indented.html

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>缩进树</title>
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<style>
::-webkit-scrollbar {
display: none;
}
html,
body {
overflow: hidden;
}
</style>
</head>
<body>
<div id="mountNode"></div>
<script>/*Fixing iframe window.innerHeight 0 issue in Safari*/document.body.clientHeight;</script>
<script src="./assets/jquery-3.2.1.min.js"></script>
<script src="../build/g6.js"></script>
<script type="text/javascript">
G6.registerNode('treeNode', {
anchor: [
[ 0, 0.5 ],
[ 0.5, 1 ]
]
});
G6.registerEdge('VH', {
getPath(item) {
const points = item.getPoints();
const start = points[0];
const end = points[points.length - 1];
return [
[ 'M', start.x, start.y ],
[ 'L', start.x, end.y ],
[ 'L', end.x, end.y ]
];
}
});
$.getJSON('./assets/data/modeling-methods.json', function (data) {
var layout = new G6.Layouts.IndentedTree({
direction: 'LR', // 方向LR/RL/H
indent: 30, // 缩进量
getVGap() /* d */ {
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// 竖向间距
return 4;
}
})
var tree = new G6.Tree({
id: 'mountNode', // 容器ID
height: window.innerHeight, // 画布高
layout, // 缩进树布局
fitView: 'autoZoom' // 自动缩放
});
tree.node({
shape: 'treeNode',
size: 16
}).label(function (obj) {
return obj.name;
});
tree.edge({
shape: 'VH'
});
tree.on('afterchange', ()=>{
tree.getNodes().forEach(node=>{
const model = node.getModel();
const label = node.getLabel();
const keyShape = node.getKeyShape();
const children = node.getChildren();
const parent = node.getParent();
const box = keyShape.getBBox();
const labelBox = label.getBBox();
let dx = (box.maxX - box.minX + labelBox.maxX - labelBox.minX) / 2+ 8;
let dy = 0;
label.translate(dx, dy);
});
tree.draw();
});
tree.read({ roots: [data] });
});
</script>
</body>
</html>