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demo-compound-snap.html
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demo-compound-snap.html
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<!DOCTYPE>
<html>
<head>
<title>cytoscape-edgehandles.js compound snapping demo</title>
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1, maximum-scale=1">
<script src="https://unpkg.com/cytoscape/dist/cytoscape.min.js"></script>
<!-- for testing with local version of cytoscape.js -->
<!--<script src="../cytoscape.js/build/cytoscape.js"></script>-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.10/lodash.js"></script>
<script src="cytoscape-edgehandles.js"></script>
<style>
body {
font-family: helvetica neue, helvetica, liberation sans, arial, sans-serif;
font-size: 14px;
}
#cy {
position: absolute;
left: 0;
top: 0;
bottom: 0;
right: 0;
z-index: 999;
}
h1 {
opacity: 0.5;
font-size: 1em;
font-weight: bold;
}
#buttons {
position: absolute;
right: 0;
top: 0;
z-index: 99999;
margin: 1em;
}
</style>
<script>
document.addEventListener('DOMContentLoaded', function(){
var cy = window.cy = cytoscape({
container: document.getElementById('cy'),
layout: {
name: 'preset'
},
style: [
{
selector: 'node[name]',
style: {
'content': 'data(name)'
}
},
{
selector: 'edge',
style: {
'curve-style': 'bezier',
'target-arrow-shape': 'triangle'
}
},
// some style for the extension
{
selector: '.eh-handle',
style: {
'background-color': 'red',
'width': 12,
'height': 12,
'shape': 'ellipse',
'overlay-opacity': 0,
'border-width': 12, // makes the handle easier to hit
'border-opacity': 0
}
},
{
selector: '.eh-hover',
style: {
'background-color': 'red'
}
},
{
selector: '.eh-source',
style: {
'border-width': 2,
'border-color': 'red'
}
},
{
selector: '.eh-target',
style: {
'border-width': 2,
'border-color': 'red'
}
},
{
selector: '.eh-preview, .eh-ghost-edge',
style: {
'background-color': 'red',
'line-color': 'red',
'target-arrow-color': 'red',
'source-arrow-color': 'red'
}
},
{
selector: '.eh-ghost-edge.eh-preview-active',
style: {
'opacity': 0
}
}
],
elements: [
{
"data": {
"id": "n0"
},
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"x": 125.89481087721484,
"y": 376.7227274889126
},
"group": "nodes",
"removed": false,
"selected": false,
"selectable": true,
"locked": false,
"grabbable": true,
"pannable": false,
"classes": ""
},
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"data": {
"id": "n0:n0",
"parent": "n0"
},
"position": {
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