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product-tiles-with-quick-view-functionality.html
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product-tiles-with-quick-view-functionality.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Flickity - product tiles with quick view functionality accessible boilerplate</title>
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/flickity/2.2.2/flickity.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css">
<meta name="description" content="Pre-built code sample for an accessible carousel of product tiles with quick view functionality using Flickity.">
<meta name="keywords" content="accessible, accessibility, wcag, Flickity, responsive, carousel, slider, jQuery, plugin, CSS3, swipe, touch">
<!-- Open Graph -->
<meta property="og:title" content="Flickity - product tiles with quick view functionality accessible boilerplate">
<meta property="og:description" content="Pre-built code sample for an accessible carousel of product tiles with quick view functionality using Flickity.">
<meta property="og:type" content="website">
<!-- Twitter Card -->
<meta name="twitter:card" content="summary">
<meta name="twitter:title" content="Flickity - product tiles with quick view functionality accessible boilerplate">
<meta name="twitter:description" content="Pre-built code sample for an accessible carousel of product tiles with quick view functionality using Flickity.">
<meta name="twitter:creator" content="Accessible_360">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=yes">
</head>
<body>
<main>
<section class="carousel" aria-label="carousel with tiles">
<p class="sr-only">This is a carousel with tiles that activate modal dialogs. Use the previous and next buttons to navigate.</p>
<!-- Previous button -->
<button class="button is-control previous-button">
<span class="fas fa-angle-left" aria-hidden="true"></span>
<span class="sr-only">Previous tiles</span>
</button>
<!-- Slide content -->
<div class="tiles">
<button class="tile tile-1">
<div class="sr-only">tile 1 of 5,</div>
<img src="../images/galina-n-300x300.jpg" class="product-image" alt="Succulent in planter">
<div class="overlay">
<div class="quick-view-button">Quick view</div>
</div>
</button>
<button class="tile tile-2">
<div class="sr-only">tile 2 of 5,</div>
<img src="../images/curology-300x300.jpg" class="product-image" alt="Lotion bottle with text Curology on it">
<div class="overlay">
<div class="quick-view-button">Quick view</div>
</div>
</button>
<button class="tile tile-3">
<div class="sr-only">tile 3 of 5,</div>
<img src="../images/imani-clovis-300x300.jpg" class="product-image" alt="Black running shoe falling downward">
<div class="overlay">
<div class="quick-view-button">Quick view</div>
</div>
</button>
<button class="tile tile-4">
<div class="sr-only">tile 4 of 5,</div>
<img src="../images/rachit-tank-300x300.jpg" class="product-image" alt="Wristwatch laid on table">
<div class="overlay">
<div class="quick-view-button">Quick view</div>
</div>
</button>
<button class="tile tile-5">
<div class="sr-only">tile 5 of 5,</div>
<img src="../images/deanna-alys-300x300.jpg" class="product-image" alt="Lotion bottle with succulent and water bottle in background">
<div class="overlay">
<div class="quick-view-button">Quick view</div>
</div>
</button>
</div>
<!-- Next button -->
<button class="button is-control next-button">
<span class="fas fa-angle-right" aria-hidden="true"></span>
<span class="sr-only">Next tiles</span>
</button>
</section>
<a href="https://accessible360.com" class="credits" target="_blank">
Built by <b><u>Accessible360</u></b> <img src="https://assets.codepen.io/3609497/accessible360-logo-black.png" alt="">
</a>
<!-- Quick view dialog - reused for each tile -->
<div class="dialog is-hidden" role="dialog" aria-modal="true">
<div class="overlay">
<button class="close-button first-focusable-element">
<span class="fa fa-times" aria-hidden="true"></span>
<span class="sr-only">Close</span>
</button>
<h2 class="title">Quick view</h2>
<p>This is a fake modal. Press Escape to close, or activate any of the buttons.</p>
<button class="ok-button last-focusable-element">OK</button>
</div>
</div>
</main>
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/flickity/2.2.2/flickity.pkgd.min.js"></script>
<script>
var $carousel;
var tilesContainer, tiles;
var previousButton, nextButton;
var dialog, dialogOverlay, dialogCloseButton, dialogOkButton;
// CSS variables with tile sizing parameters defined at :root
var tileWidth, tileMargin;
var leftMostTileIndex = 0;
window.addEventListener('DOMContentLoaded', function(e) {
tileWidth = parseInt(getComputedStyle(document.documentElement).getPropertyValue('--tile-width'));
tileMargin = parseInt(getComputedStyle(document.documentElement).getPropertyValue('--tile-margin'));
tilesContainer = document.querySelector('.carousel .tiles');
previousButton = document.querySelector('.carousel .previous-button');
nextButton = document.querySelector('.carousel .next-button');
dialog = document.querySelector('.dialog');
dialogOverlay = dialog.querySelector('.overlay');
dialogCloseButton = dialogOverlay.querySelector('.close-button');
dialogOkButton = dialogOverlay.querySelector('.ok-button');
/**
Initialize Flickity with the recommended configuration options
*/
$carousel = $('.carousel .tiles').flickity({
// Default previous/next buttons are placed after the slides, so they are hard to find. They can't be moved using config options, so we'll need to create custom controls.
prevNextButtons: false,
// Disable keyboard navigation. Using the Left and Right arrow keys for navigation is not a problem, but this also makes the entire slide track focusable, which is awkward for keyboard-based users.
accessibility: false,
// Never use wrap-around with multiple visible slides. DOM order will not match visual appearance due to absolute positioning of slides.
wrapAround: false,
pageDots: false,
cellAlign: 'left',
on: {
ready: handleReady,
settle: handleSettle
}
});
// Go to the previous slide when the Previous button is activated
previousButton.addEventListener('click', function(e) {
$carousel.flickity('previous', true);
});
// Go to the next slide when the Next button is activated
nextButton.addEventListener('click', function(e) {
$carousel.flickity('next', true);
});
// Close the dialog when any of its interactive elements are activated
dialogCloseButton.addEventListener('click', closeDialog);
dialogOkButton.addEventListener('click', closeDialog);
// Clicking anywhere outside the dialog content should close the dialog
dialog.addEventListener('click', handleDialogClicks);
dialog.addEventListener('keydown', handleDialogKeypresses);
});
/**
When Flickity is initialized, tweak the focusable track, fully hide all non-visible slides, and set up click handlers on all tiles to launch the dialog.
*/
function handleReady() {
// Retrieve references to the most up-to-date elements
tiles = document.querySelectorAll('.carousel .tiles .tile');
// Add instructive ARIA label to the focusable track
tilesContainer.setAttribute('aria-label', 'Track of tiles. Use arrow keys to navigate.');
// Activating any tile should launch the quick view modal
tiles.forEach(function(tile) {
tile.addEventListener('click', openDialog);
});
// Ensure that all the non-visible slides are fully hidden
hideNonVisibleTiles();
}
/**
After a transition is complete, make sure all non-visible slides are fully hidden, and all visible content is operable
*/
function handleSettle(index) {
leftMostTileIndex = index;
// Ensure that all the non-visible slides are fully hidden
hideNonVisibleTiles();
// Allow interactive elements on the new current slide to receive keyboard focus
tiles[index].querySelectorAll('a, button').forEach(function(element) {
element.removeAttribute('tabindex');
});
}
/**
Fully hide non-visible slides for all users when they exit the view.
*/
function hideNonVisibleTiles() {
// Start by hiding all tiles from screen reader and keyboard users
tiles.forEach(function(tile) {
tile.setAttribute('aria-hidden', true);
tile.setAttribute('tabindex', -1);
});
// Figure out how many slides are visible (or partially visible)
var containerWidth = $(tilesContainer).width();
// How many tiles can fit into this container (including partially visible ones)?
// NOTE: this method assumes a constant slide width. Update as needed if you want to support variable slide width.
var numVisibleTiles = Math.ceil(containerWidth / (tileWidth + tileMargin));
// Make only the desired number of tiles available for screen reader and keyboard users
for(var i = leftMostTileIndex; i < leftMostTileIndex + numVisibleTiles; i++) {
if(i < tiles.length) {
tiles[i].removeAttribute('aria-hidden');
tiles[i].removeAttribute('tabindex');
}
}
}
/**
NOTE: Dialog window for demo purposes only!
*/
function openDialog(e) {
e.preventDefault();
triggeringElement = e.target;
dialog.classList.remove('is-hidden');
dialogCloseButton.focus();
}
function closeDialog() {
triggeringElement.focus();
dialog.classList.add('is-hidden');
}
function handleDialogClicks(e) {
if(!dialogOverlay.contains(e.target)) {
closeDialog();
}
}
function handleDialogKeypresses(e) {
switch(e.key) {
case 'Escape':
closeDialog();
break;
case 'Tab':
if(e.shiftKey && document.activeElement === dialogCloseButton) {
e.preventDefault();
dialogOkButton.focus();
} else if(!e.shiftKey && document.activeElement === dialogOkButton) {
e.preventDefault();
dialogCloseButton.focus();
}
break;
}
}
</script>
<style>
/**
Setup for code demo only
*/
:root {
--tile-width: 200px;
--tile-margin: 10px;
--carousel-height: 175px;
}
body {
margin: 10px;
font-family: Arial, Helvetica, sans-serif;
}
/**
Container
*/
.carousel {
position: relative;
max-width: 700px;
height: var(--carousel-height);
}
/**
Controls (previous/next buttons)
*/
.button.is-control {
background: 0;
border: 0;
padding: 0 10px;
z-index: 1;
cursor: pointer;
font-size: 40px;
color: rgba(0,0,0,.6);
transition: all .2s linear;
}
.button.is-control:hover {
color: rgba(0,0,0,1);
}
.button.is-control:focus {
outline: none;
background-color: rgba(0,0,0,.8);
color: rgba(255,255,255,1);
border-radius: 5px;
}
.previous-button {
position: absolute;
left: 0;
top: 60px;
}
.next-button {
position: absolute;
right: 0;
top: 60px;
}
/**
Collection of all tiles
*/
.tiles {
overflow: hidden;
height: var(--carousel-height);
width: calc(100% - 100px);
margin-left: 50px;
}
/**
Single tile
*/
.tile {
width: var(--tile-width);
height: var(--carousel-height);
margin-right: var(--tile-margin);
border: 0;
background: none;
padding: 0;
overflow: hidden;
position: relative;
cursor: pointer;
}
.tile .product-image {
width: 100%;
height: 100%;
object-fit: cover;
}
.tile .overlay {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
display: flex;
justify-content: center;
align-items: center;
background-color: rgba(0,0,0,.6);
transition: opacity .1s linear;
opacity: 0;
}
.tile:focus .overlay,
.tile:hover .overlay {
opacity: 1;
}
.tile .overlay .quick-view-button {
padding: 10px 15px;
background: rgba(0,0,0,.7);
border: 3px solid white;
box-shadow: 0 0 15px 0 rgba(0,0,0,.6);
color: white;
font-size: 14px;
text-transform: uppercase;
font-weight: bold;
}
/**
Quick view dialog
*/
.dialog {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: rgba(0,0,0,.6);
z-index: 100;
display: flex;
justify-content: center;
align-items: center;
}
.dialog.is-hidden {
display: none;
}
.dialog .overlay {
background-color: white;
border-radius: 10px;
position: relative;
width: 80%;
max-width: 400px;
padding: 20px;
}
.dialog .overlay .close-button {
position: absolute;
top: 15px;
right: 10px;
background: none;
border: 0;
font-size: 18px;
cursor: pointer;
}
.dialog .overlay .title {
margin: 0;
}
.dialog .overlay .ok-button {
background: royalblue;
border: 0;
color: white;
border-radius: 5px;
padding: 10px 15px;
cursor: pointer;
}
.dialog .overlay .ok-button:focus {
outline-offset: 5px;
}
/** Credits at bottom */
.credits {
display: inline-block;
margin-top: 20px;
margin-left: 40px;
padding: 10px;
font-size: 14px;
color: black;
text-decoration: none;
opacity: .7;
}
.credits img {
height: 30px;
margin-left: 5px;
margin-top: -2px;
vertical-align: middle;
}
.credits:hover,
.credits:focus {
opacity: 1;
}
</style>
</body>
</html>