Curved Menu

VanillaJS Curved Menu (circular navigation) with radius and angle control.

Preview

click here

Install

npm install --save curved-menu

import CurveMenu from 'curved-menu';

or use index.js file from dist folder. CurveMenu will be available on window.

Use

<div id="nav">
    <h3>Curved menu will initialize here.</h3>
    <h4>Check your console for info.</h4>

    <button id="button">Initialize Curved Menu</button>
</div>

var radius = 300; // radius of circle in px
var angle = 90; // span angle of points on circle (angle between first and last point)
var pointSize = 25; // size of points in px

// point elements (bullet/buttons)
var points = [
    { id: 'POINT_ID_1', label: 'Point label 1' },
    { id: 'POINT_ID_2', label: 'Point label 2' },
    { id: 'POINT_ID_3', label: 'Point label 3' },
    { id: 'POINT_ID_4', label: 'Point label 4' },
    { id: 'POINT_ID_5', label: 'Point label 5' },
];

// log notification (demo purpose only)
function insertNotification(message) {
    var notifier = document.getElementById('notifier');

    var notif = document.createElement('p');
    notif.textContent = message;

    notifier.appendChild(notif);
}

// once DOM is ready
window.addEventListener('DOMContentLoaded', function() {
    // DOM element for curve menu
    var navElem = document.getElementById('nav');

    // create curve menu instance
    var instance = new CurvedMenu(navElem, {
        radius: radius,
        angle: angle,
        pointSize: pointSize,
        points: points,
        onInit: function(  ) {
            insertNotification( 'Curved menu initialized!' );
            console.log( 'Curved menu initialized!' );
        },
        onClick: function( id ) {
            insertNotification( 'Clicked point id: ' + id );
            console.log( 'Selected point id: ', id );
        }
    });

    // initialize curve menu instance at your will
    document.getElementById('button').addEventListener('click', function(){
        if(instance) {
            // initialize
            instance.init();

            // set active point using `id`
            setTimeout(function() {
                instance.setActivePoint('POINT_ID_2');
            }, 2000);

            // destroy instance
            setTimeout(function() {
                // destory
                instance.destroy();

                setTimeout(function(){
                    // re-initialize
                    instance.init();
                }, 3000);
            }, 6000);
        }
    });
});

CSS classes

you can override style using these classes

• .curved-menu
• .curved-menu__curve-container
• .curved-menu__curve-container__curve
• .curved-menu__point
• .curved-menu__point__bullet
• .curved-menu__point__label

Need more development

This plugin was developed just to test circular geometry and SVG filters. It needs more functionality to dynamically add/remove points and add extra configurations. So, any help is appreciated.