g6/demos/contextmenu.html

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>右键菜单</title>
<style>
#contextMenu {
position: absolute;
list-style: none;
padding: 10px 5px;
left: -100px;
background: #ccc;
}
#contextMenu li {
cursor: pointer;
}
</style>
</head>
<body>
<div id="mountNode"></div>
<script src="../build/g6.js"></script>
<script src="../build/grid.js"></script>
<script>
const grid = new Grid()
const graph = new G6.Graph({
container: 'mountNode',
width: 800,
height: 600,
// plugins: [grid],
defaultNode: {
size: [40, 40]
},
modes: {
default: [ 'brush-select', 'drag-node' ]
}
});
G6.registerEdge('self-line', {
autoRotate: true,
drawLabel(cfg, group) {
const labelCfg = cfg.labelCfg || {}
const labelStyle = this.getLabelStyle(cfg, labelCfg, group)
const text = group.addShape('text', {
attrs: {
...labelStyle,
text: cfg.label,
fontSize: 12,
fill: '#404040',
stroke: 'white',
lineWidth: 5
},
className: 'edge-label',
})
return text
}
}, 'line')
const data = {
nodes: [
{
id: 'node1',
label: 'node1',
x: 500,
y: 200,
shape: 'rect'
},
{
id: 'node2',
label: 'node2',
x: 300,
y: 400,
shape: 'rect'
},
{
id: 'node3',
label: 'node3',
x: 200,
y: 300,
shape: 'rect'
}
],
edges: [
{
source: 'node1',
target: 'node2',
shape: 'self-line',
label: '测试文本'
},
{
source: 'node1',
target: 'node3',
shape: 'self-line',
label: '测试文本2',
labelCfg: {
autoRotate: true,
style: {
stroke: 'white',
lineWidth: 5
}
}
}
]
}
graph.data(data)
graph.render()
// 创建ul
const conextMenuContainer = document.createElement('ul')
conextMenuContainer.id = 'contextMenu';
// 创建li
const firstLi = document.createElement('li')
firstLi.innerText = '菜单项1'
conextMenuContainer.appendChild(firstLi)
const lastLi = document.createElement('li')
lastLi.innerText = '菜单项2'
conextMenuContainer.appendChild(lastLi)
document.body.appendChild(conextMenuContainer);
const menu = document.getElementById('contextMenu')
graph.on('node:contextmenu', evt => {
menu.style.left = evt.x + 'px'
menu.style.top = evt.y + 'px'
})
graph.on('node:mouseleave', evt => {
menu.style.left = '-100px'
})
</script>
</body>
</html>