npm install cytoscape-node-html-labelcyInstance.nodeHtmlLabel( [{ tpl: d => '<div>' + d + '</div>' }] );
This extension provide ability adding labels for Cytoscape nodes.
Demo: https://kaluginserg.github.io/cytoscape-node-html-label/
- optimised for high performance with high number nodes, for smooth panning and zooming.
- customizable any labels with different templates.
- Cytoscape.js ^3.0.0
Download the library:
- via npm:
npm install cytoscape-node-html-label, - via bower:
bower install cytoscape-node-html-label, or - via direct download in the repository (probably from a tag).
<script src="http://cytoscape.github.io/cytoscape.js/api/cytoscape.js-latest/cytoscape.min.js"></script>
<script src="cytoscape-node-html-label.js"></script>require() the library as appropriate for your project:
CommonJS:
var cytoscape = require('cytoscape');
var nodeHtmlLabel = require('cytoscape-node-html-label');
nodeHtmlLabel( cytoscape ); // register extensionAMD:
require(['cytoscape', 'cytoscape-node-html-label'], function( cytoscape, nodeHtmlLabel ){
nodeHtmlLabel( cytoscape ); // register extension
});nodeHtmlLabel parameter is an array of options:
cyInstance.nodeHtmlLabel(
[
{
query: 'node', // cytoscape query selector
halign: 'center', // title vertical position. Can be 'left',''center, 'right'
valign: 'center', // title vertical position. Can be 'top',''center, 'bottom'
halignBox: 'center', // title vertical position. Can be 'left',''center, 'right'
valignBox: 'center', // title relative box vertical position. Can be 'top',''center, 'bottom'
cssClass: '', // any classes will be as attribute of <div> container for every title
tpl: function(data){return '<span>' + data + '</span>';} // your html template here
}
]
);Code example:
// create Cy instance
var cyInstance = cytoscape({
container: document.getElementById('cy'),
layout: {
name: 'random'
},
elements: [ // your cy elements
{ group: "nodes", data: { id: 'a1', name: 'a10' }, classes: 'l1' },
{ group: "nodes", data: { id: 'a1', name: 'a10' }, classes: 'l1' },
{ group: "nodes", data: { id: 'a1', name: 'a10' }, classes: 'l1' },
{ group: "nodes", data: { id: 'a5', name: 'a5' }, classes: 'l2' }
]
});
// set nodeHtmlLabel for your Cy instance
cyInstance.nodeHtmlLabel([{
query: '.l1',
valign: "top",
halign: "left",
valignBox: "top",
halignBox: "left",
tpl: function(data) {
return '<p class="cy-title__p1">' + data.id + '</p>' + '<p class="cy-title__p2">' + data.name + '</p>';
}
},
{
query: '.l2',
tpl: function(data) {
return '<p class="cy-title__p1">' + data.id + '</p>' + '<p class="cy-title__p2">' + data.name + '</p>';
}
}
]);Demo here: https://kaluginserg.github.io/cytoscape-node-html-label/
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