g6/demos/layout.html

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2018-06-05 23:58:10 +08:00
<!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>布局-综合场景</title>
</head>
<body>
<button id="change_layout">栅格布局</button>
<button id="random_layout">打散布局</button>
<button id="layout">整理布局</button>
<div id="mountNode"></div>
<script src="../build/g6.js"></script>
<script src="../build/utilRandomData.js"></script>
<script src="../build/behaviourAnalysis.js"></script>
<script>
const Util = G6.Util;
const data = Util.createChainData(50);
const width = window.innerWidth;
const height = window.innerHeight;
const num = 50;
let setCol = 5;
let node;
// 布局生成器
const layoutCreator = col => {
return nodes => {
const hgap = 76;
const vgap = 50;
nodes.forEach((node, index) => {
if (parseInt(index / col) % 2 === 0) {
node.x = (col - index % col) * hgap;
} else {
node.x = index % col * hgap + hgap;
}
node.y = parseInt(index / col) * vgap + vgap / 2;
});
}
};
const graph = new G6.Graph({
container: 'mountNode',
width,
height,
animate: true,
layout: {
processer: layoutCreator(setCol),
auto: false
},
modes: {
default: ['panNode']
},
});
graph.read(data);
graph.layout();
document.getElementById('layout').onclick = () => {
graph.layout();
};
document.getElementById('change_layout').onclick = () => {
if (setCol === 5) {
setCol = 6;
} else {
setCol = 5;
}
graph.changeLayout(layoutCreator(setCol));
};
document.getElementById('random_layout').onclick = () => {
graph.changeLayout(nodes => {
nodes.forEach(node => {
node.x = width * Math.random();
node.y = height * Math.random();
})
});
};
</script>
</body>
</html>