Line Ripple

The line ripple is used to highlight user-specified input above it. When a line ripple is active, the line’s color and thickness changes.

Design & API Documentation

Installation

npm install @material/line-ripple

Basic Usage

HTML Structure

<div class="mdc-line-ripple"></div>

Styles

@import "@material/line-ripple/mdc-line-ripple";

JavaScript Instantiation

import {MDCLineRipple} from '@material/line-ripple';

const lineRipple = new MDCLineRipple(document.querySelector('.mdc-line-ripple'));

Style Customization

CSS Classes

CSS Class | Description --- | --- mdc-line-ripple | Mandatory. mdc-line-ripple--active | Styles the line ripple as an active line ripple. mdc-line-ripple--deactivating | Styles the line ripple as a deactivating line ripple.

Sass Mixins

Mixin | Description --- | --- mdc-line-ripple-color($color) | Customizes the color of the line ripple when active.

MDCLineRipple Properties and Methods

Method Signature | Description --- | --- activate() => void | Proxies to the foundation's activate() method. deactivate() => void | Proxies to the foundation's deactivate() method. setRippleCenter(xCoordinate: number) => void | Proxies to the foundation's setRippleCenter(xCoordinate: number) method.

Usage Within Frameworks

If you are using a JavaScript framework, such as React or Angular, you can create a Line Ripple for your framework. Depending on your needs, you can use the Simple Approach: Wrapping MDC Web Vanilla Components, or the Advanced Approach: Using Foundations and Adapters. Please follow the instructions here.

MDCLineRippleAdapter

Method Signature | Description --- | --- addClass(className: string) => void | Adds a class to the root element. removeClass(className: string) => void | Removes a class from the root element. setStyle(propertyName: string, value: string) => void | Sets the style property with propertyName to value on the root element. registerEventHandler(evtType: EventType, handler: EventListener) => void | Registers an event listener on the root element for a given event. deregisterEventHandler(evtType: EventType, handler: EventListener) => void | Deregisters an event listener on the root element for a given event.

MDCLineRippleFoundation

Method Signature | Description --- | --- activate() => void | Activates the line ripple. deactivate() => void | Deactivates the line ripple. setRippleCenter(xCoordinate: number) => void | Sets the center of the ripple to the xCoordinate given. handleTransitionEnd(evt: Event) => void | Handles a transitionend event.