Adaptive tabs

Adaptive tabs.markdown

Adaptive tabs

Tabs that animate to the height of their content when switched.

// With bonus color switcher

A Pen by Lewi Hussey on CodePen.

License.

index.html

<nav class="bg-color">Adaptive tabs</nav>

<section class="wrapper">
	<ul class="tabs">
		<li class="active">Colors</li>
		<li>Favorite movies</li>
		<li>About</li>
	</ul>

	<ul class="tab__content">
		<li class="active">
			<div class="content__wrapper">
				<h2 class="text-color">Pick a color</h2>
				
				<ul class="colors">
					<li data-color="#2ecc71"></li>
					<li data-color="#D64A4B"></li>
					<li data-color="#8e44ad"></li>
					<li class="active-color" data-color="#46a1de"></li>
					<li data-color="#bdc3c7"></li>
				</ul>
			</div>
		</li>
		<li>
			<div class="content__wrapper">
				<h2 class="text-color">Her</h2>
				
				<img src="http://lewihussey.com/codepen-img/her.jpg">
			</div>
		</li>
		<li>
			<div class="content__wrapper">
				<h2 class="text-color">About</h2>
				
				<p>Created by <a class="text-color" href="http://lewihussey.com" target="_blank">Lewi Hussey</a></p>
			</div>
		</li>
	</ul>
</section>

<footer>By Lewi Hussey</footer>

script.js

$(document).ready(function(){
	
	// Variables
	var clickedTab = $(".tabs > .active");
	var tabWrapper = $(".tab__content");
	var activeTab = tabWrapper.find(".active");
	var activeTabHeight = activeTab.outerHeight();
	
	// Show tab on page load
	activeTab.show();
	
	// Set height of wrapper on page load
	tabWrapper.height(activeTabHeight);
	
	$(".tabs > li").on("click", function() {
		
		// Remove class from active tab
		$(".tabs > li").removeClass("active");
		
		// Add class active to clicked tab
		$(this).addClass("active");
		
		// Update clickedTab variable
		clickedTab = $(".tabs .active");
		
		// fade out active tab
		activeTab.fadeOut(250, function() {
			
			// Remove active class all tabs
			$(".tab__content > li").removeClass("active");
			
			// Get index of clicked tab
			var clickedTabIndex = clickedTab.index();

			// Add class active to corresponding tab
			$(".tab__content > li").eq(clickedTabIndex).addClass("active");
			
			// update new active tab
			activeTab = $(".tab__content > .active");
			
			// Update variable
			activeTabHeight = activeTab.outerHeight();
			
			// Animate height of wrapper to new tab height
			tabWrapper.stop().delay(50).animate({
				height: activeTabHeight
			}, 500, function() {
				
				// Fade in active tab
				activeTab.delay(50).fadeIn(250);
				
			});
		});
	});
	
	// Variables
	var colorButton = $(".colors li");
	
	colorButton.on("click", function(){
		
		// Remove class from currently active button
		$(".colors > li").removeClass("active-color");
		
		// Add class active to clicked button
		$(this).addClass("active-color");
		
		// Get background color of clicked
		var newColor = $(this).attr("data-color");
		
		// Change background of everything with class .bg-color
		$(".bg-color").css("background-color", newColor);
		
		// Change color of everything with class .text-color
		$(".text-color").css("color", newColor);
	});
});

scripts

<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>

style.css

*{
	box-sizing: border-box;
	padding: 0;
	margin: 0;
}

body{
	font-family: 'Open Sans', sans-serif;
	color: rgb(80, 85, 90);
	padding: 100px 20px;
}

nav{
	z-index: 9;
	border-bottom: 1px solid rgba(0, 0, 0, .1);
	color: white;
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	padding: 20px 0;
	text-align: center;
}

.bg-color{
	background-color: #46a1de;
	transition-duration: .5s;
}

.text-color{
	color: #46a1de;
	transition-duration: .5s;
}

footer{
	padding: 40px 0;
	text-align: center;
	opacity: .33;
	color: white;
}

.wrapper{
	min-width: 600px;
	max-width: 900px;
	margin: 0 auto;
}

.tabs{
	display: table;
	table-layout: fixed;
	width: 100%;
	-webkit-transform: translateY(5px);
	transform: translateY(5px);
	
	>li{
		transition-duration: .25s;
		display: table-cell;
		list-style: none;
		text-align: center;
		padding: 20px 20px 25px 20px;
		position: relative;
		overflow: hidden;
		cursor: pointer;
		color: white;
		
		&:before{
			z-index: -1;
			position: absolute;
			content: "";
			width: 100%;
			height: 120%;
			top: 0;
			left: 0;
			background-color: rgba(255, 255, 255, .3);
			-webkit-transform: translateY(100%);
			transform: translateY(100%);
			transition-duration: .25s;
			border-radius: 5px 5px 0 0;
		}
		
		&:hover{
			&:before{
				-webkit-transform: translateY(70%);
				transform: translateY(70%);
			}
		}
		
		&.active{
			color: rgb(80, 85, 90);
			
			&:before{
				transition-duration: .5s;
				background-color: white;
				-webkit-transform: translateY(0);
				transform: translateY(0);
			}
		}
	}
}

.tab__content{
	background-color: white;
	position: relative;
	width: 100%;
	border-radius: 5px;
	
	>li{
		width: 100%;
		position: absolute;
		top: 0;
		left: 0;
		
		display: none;
		list-style: none;
		
		.content__wrapper{
			text-align: center;
			border-radius: 5px;
			width: 100%;
			padding: 45px 40px 40px 40px;
			background-color: white;
		}
	}
}

.content__wrapper{
	h2{
		width: 100%;
		text-align: center;
		padding-bottom: 20px;
		font-weight: 300;
	}
	
	img{
		width: 100%;
		height: auto;
		border-radius: 5px;
	}
}

.colors{
	text-align: center;
	padding-top: 20px;
	
	>li{
		list-style: none;
		width: 50px;
		height: 50px;
		border-radius: 50%;
		border-bottom: 5px solid rgba(0, 0, 0, .1);
		display: inline-block;
		margin: 0 10px;
		cursor: pointer;
		transition-duration: .2s;
		box-shadow: 0 2px 1px rgba(0, 0, 0, .2);
		
		&:hover{
			-webkit-transform: scale(1.2);
			transform: scale(1.2);
			border-bottom: 10px solid rgba(0, 0, 0, .15);
			box-shadow: 0 10px 10px rgba(0, 0, 0, .2);
		}
		
		&.active-color{
			-webkit-transform: scale(1.2) translateY(-10px);
			transform: scale(1.2) translateY(-10px);
			box-shadow: 0 10px 10px rgba(0, 0, 0, .2);
			border-bottom: 20px solid rgba(0, 0, 0, .15);
		}
		
		&:nth-child(1){
			background-color: #2ecc71;
		}
		
		&:nth-child(2){
			background-color: #D64A4B;
		}
		
		&:nth-child(3){
			background-color: #8e44ad;
		}
		
		&:nth-child(4){
			background-color: #46a1de;
		}
		
		&:nth-child(5){
			background-color: #bdc3c7;
		}
	}
}