Стековая навигация

demosourse

Шаблон простой стековой навигации.

HTML

<!-- navigation -->
<nav class="pages-nav">
<div class="pages-nav__item"><a class="link link--page" href="#page-home">Home</a></div>
<div class="pages-nav__item"><a class="link link--page" href="#page-docu">Documentation</a></div>
<div class="pages-nav__item"><a class="link link--page" href="#page-manuals">Manuals</a></div>
<div class="pages-nav__item"><a class="link link--page" href="#page-software">Software</a></div>
<div class="pages-nav__item"><a class="link link--page" href="#page-custom">Customization & Settings</a></div>
<div class="pages-nav__item"><a class="link link--page" href="#page-training">Training</a></div>
<div class="pages-nav__item pages-nav__item--small"><a class="link link--page link--faded" href="#page-buy">Where to buy</a></div>
<div class="pages-nav__item pages-nav__item--small"><a class="link link--page link--faded" href="#page-blog">Blog & News</a></div>
<div class="pages-nav__item pages-nav__item--small"><a class="link link--page link--faded" href="#page-contact">Contact</a></div>
<div class="pages-nav__item pages-nav__item--social">
<a class="link link--social link--faded" href="#"><i class="fa fa-twitter"></i><span class="text-hidden">Twitter</span></a>
<a class="link link--social link--faded" href="#"><i class="fa fa-linkedin"></i><span class="text-hidden">LinkedIn</span></a>
<a class="link link--social link--faded" href="#"><i class="fa fa-facebook"></i><span class="text-hidden">Facebook</span></a>
<a class="link link--social link--faded" href="#"><i class="fa fa-youtube-play"></i><span class="text-hidden">YouTube</span></a>
</div>
</nav>
<!-- /navigation-->
<!-- pages stack -->
<div class="pages-stack">
<!-- page -->
<div class="page" id="page-home">
<!-- page content -->
</div>
<!-- /page -->
<div class="page" id="page-docu">
<!-- page content -->
</div>
<div class="page" id="page-manuals">
<!-- page content -->
</div>
<div class="page" id="page-software">
<!-- page content -->
</div>
<div class="page" id="page-custom">
<!-- page content -->
</div>
<div class="page" id="page-training">
<!-- page content -->
</div>
<div class="page" id="page-buy">
<!-- page content -->
</div>
<div class="page" id="page-blog">
<!-- page content -->
</div>
<div class="page" id="page-contact">
<!-- page content -->
</div>
</div>
<!-- /pages-stack -->
<button class="menu-button"><span>Menu</span></button>
<script src="js/classie.js"></script>
<script src="js/main.js"></script>

CSS

html.js,
.js body {
	overflow: hidden;
	height: 100vh;
}

/* Pages nav */

.pages-nav {
	display: -webkit-flex;
	display: flex;
	-webkit-flex-wrap: wrap;
	flex-wrap: wrap;
	-webkit-justify-content: center;
	justify-content: center;
	-webkit-align-items: center;
	align-items: center;
	padding: 20px;
	text-align: center;
	background: #0e0f0f;
}

.js .pages-nav {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 50vh;
	padding: 30px;
	pointer-events: none;
	opacity: 0;
	background: transparent;
	-webkit-transition: -webkit-transform 1.2s, opacity 1.2s;
	transition: transform 1.2s, opacity 1.2s;
	-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
	transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
	-webkit-transform: translate3d(0, 150px, 0);
	transform: translate3d(0, 150px, 0);
}

.js .pages-nav--open {
	pointer-events: auto;
	opacity: 1;
	-webkit-transform: translate3d(0, 0, 0);
	transform: translate3d(0, 0, 0);
}

.pages-nav__item {
	width: 33%;
	padding: 1em;
}

.js .pages-nav__item {
	padding: 0 10%;
}

.pages-nav .pages-nav__item--social {
	width: 100%;
	opacity: 0;
	-webkit-transition: -webkit-transform 1.2s, opacity 1.2s;
	transition: transform 1.2s, opacity 1.2s;
	-webkit-transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
	transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
	-webkit-transform: translate3d(0, 20px, 0);
	transform: translate3d(0, 20px, 0);
}

.pages-nav--open .pages-nav__item--social {
	opacity: 1;
	-webkit-transition-delay: 0.35s;
	transition-delay: 0.35s;
	-webkit-transform: translate3d(0, 0, 0);
	transform: translate3d(0, 0, 0);
}

.link {
	font-size: 0.85em;
	font-weight: bold;
	position: relative;
	letter-spacing: 1px;
	text-transform: uppercase;
}

.link:hover,
.link:focus {
	color: #fff;
}

.link--page {
	display: block;
	color: #cecece;
}

.link--page:not(.link--faded)::before {
	content: '';
	position: absolute;
	top: 100%;
	left: 50%;
	width: 30px;
	height: 2px;
	margin: 5px 0 0 -15px;
	background: #fff;
	-webkit-transition: -webkit-transform 0.3s;
	transition: transform 0.3s;
	-webkit-transform: scale3d(0, 1, 1);
	transform: scale3d(0, 1, 1);
}

.link--page:hover:before {
	-webkit-transform: scale3d(1, 1, 1);
	transform: scale3d(1, 1, 1);
}

.link--faded {
	color: #4f4f64;
}

.link--faded:hover,
.link--faded:focus {
	color: #5c5edc;
}

.link--page.link--faded {
	font-size: 0.65em;
}

.link--social {
	font-size: 1.5em;
	margin: 0 0.75em;
}

.text-hidden {
	position: absolute;
	display: block;
	overflow: hidden;
	width: 0;
	height: 0;
	color: transparent;
}

/* Pages stack */

.js .pages-stack {
	z-index: 100;
	pointer-events: none;
	-webkit-perspective: 1200px;
	perspective: 1200px;
	-webkit-perspective-origin: 50% -50%;
	perspective-origin: 50% -50%;
}

.js .page {
	position: relative;
	z-index: 5;
	overflow: hidden;
	width: 100%;
	height: 100vh;
	pointer-events: auto;
	background: #2a2b30;
	box-shadow: 0 -1px 10px rgba(0, 0, 0, 0.1);
}

.js .pages-stack--open .page {
	cursor: pointer;
	-webkit-transition: -webkit-transform 0.45s, opacity 0.45s;
	transition: transform 0.45s, opacity 0.45s;
	-webkit-transition-timing-function: cubic-bezier(0.6, 0, 0.4, 1);
	transition-timing-function: cubic-bezier(0.6, 0, 0.4, 1);
}

.js .page--inactive {
	position: absolute;
	z-index: 0;
	top: 0;
	opacity: 0;
}

/* page content */

.info {
	font-size: 1.25em;
	max-width: 50%;
	margin-top: 1.5em;
}

.poster {
	position: absolute;
	bottom: 4vh;
	left: 60%;
	max-width: 100%;
	max-height: 80%;
}

/* Menu button */

.menu-button {
	position: absolute;
	z-index: 1000;
	top: 30px;
	left: 30px;
	width: 30px;
	height: 24px;
	padding: 0;
	cursor: pointer;
	border: none;
	outline: none;
	background: transparent;
}

.no-js .menu-button {
	display: none;
}

.menu-button::before,
.menu-button::after,
.menu-button span {
	background: #5f656f;
}

.menu-button::before,
.menu-button::after {
	content: '';
	position: absolute;
	top: 50%;
	left: 0;
	width: 100%;
	height: 2px;
	pointer-events: none;
	-webkit-transition: -webkit-transform 0.25s;
	transition: transform 0.25s;
	-webkit-transform-origin: 50% 50%;
	transform-origin: 50% 50%;
}

.menu-button span {
	position: absolute;
	left: 0;
	overflow: hidden;
	width: 100%;
	height: 2px;
	text-indent: 200%;
	-webkit-transition: opacity 0.25s;
	transition: opacity 0.25s;
}

.menu-button::before {
	-webkit-transform: translate3d(0, -10px, 0) scale3d(0.8, 1, 1);
	transform: translate3d(0, -10px, 0) scale3d(0.8, 1, 1);
}

.menu-button::after {
	-webkit-transform: translate3d(0, 10px, 0) scale3d(0.8, 1, 1);
	transform: translate3d(0, 10px, 0) scale3d(0.8, 1, 1);
}

.menu-button--open span {
	opacity: 0;
}

.menu-button--open::before {
	-webkit-transform: rotate3d(0, 0, 1, 45deg);
	transform: rotate3d(0, 0, 1, 45deg);
}

.menu-button--open::after {
	-webkit-transform: rotate3d(0, 0, 1, -45deg);
	transform: rotate3d(0, 0, 1, -45deg);
}

@media screen and (max-width: 60em) {
	.info {
		max-width: 100%;
	}
	.poster {
		position: relative;
		top: auto;
		left: auto;
		display: block;
		max-width: 100%;
		max-height: 50vh;
		margin: 0 0 0 50%;
	}
	.pages-nav__item {
		width: 50%;
		min-height: 20px;
	}
	.link--page {
		overflow: hidden;
		white-space: nowrap;
		text-overflow: ellipsis;
	}
	.link--social {
		margin: 0 0.1em;
	}
}

@media screen and (max-width: 40em) {
	.js .pages-nav {
		display: block;
		padding: 10px 20px 0 20px;
		text-align: left;
	}
	.js .pages-nav__item {
		width: 100%;
		padding: 4px 0;
	}
	.js .pages-nav__item--small {
		display: inline-block;
		width: auto;
		margin-right: 5px;
	}
	.pages-nav__item--social {
		font-size: 0.9em;
	}
	.menu-button {
		top: 15px;
		right: 10px;
		left: auto;
	}
	.info {
		font-size: 0.85em;
	}
	.poster {
		margin: 1em;
	}
}

JavaScript

/**
 * main.js
 * http://www.codrops.com
 *
 * Licensed under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 *
 * Copyright 2015, Codrops
 * http://www.codrops.com
 */
;(function(window) {

	'use strict';

	var support = { transitions: Modernizr.csstransitions },
		// transition end event name
		transEndEventNames = { 'WebkitTransition': 'webkitTransitionEnd', 'MozTransition': 'transitionend', 'OTransition': 'oTransitionEnd', 'msTransition': 'MSTransitionEnd', 'transition': 'transitionend' },
		transEndEventName = transEndEventNames[ Modernizr.prefixed( 'transition' ) ],
		onEndTransition = function( el, callback ) {
			var onEndCallbackFn = function( ev ) {
				if( support.transitions ) {
					if( ev.target != this ) return;
					this.removeEventListener( transEndEventName, onEndCallbackFn );
				}
				if( callback && typeof callback === 'function' ) { callback.call(this); }
			};
			if( support.transitions ) {
				el.addEventListener( transEndEventName, onEndCallbackFn );
			}
			else {
				onEndCallbackFn();
			}
		},
		// the pages wrapper
		stack = document.querySelector('.pages-stack'),
		// the page elements
		pages = [].slice.call(stack.children),
		// total number of page elements
		pagesTotal = pages.length,
		// index of current page
		current = 0,
		// menu button
		menuCtrl = document.querySelector('button.menu-button'),
		// the navigation wrapper
		nav = document.querySelector('.pages-nav'),
		// the menu nav items
		navItems = [].slice.call(nav.querySelectorAll('.link--page')),
		// check if menu is open
		isMenuOpen = false;

	function init() {
		buildStack();
		initEvents();
	}

	function buildStack() {
		var stackPagesIdxs = getStackPagesIdxs();

		// set z-index, opacity, initial transforms to pages and add class page--inactive to all except the current one
		for(var i = 0; i < pagesTotal; ++i) {
			var page = pages[i],
				posIdx = stackPagesIdxs.indexOf(i);

			if( current !== i ) {
				classie.add(page, 'page--inactive');

				if( posIdx !== -1 ) {
					// visible pages in the stack
					page.style.WebkitTransform = 'translate3d(0,100%,0)';
					page.style.transform = 'translate3d(0,100%,0)';
				}
				else {
					// invisible pages in the stack
					page.style.WebkitTransform = 'translate3d(0,75%,-300px)';
					page.style.transform = 'translate3d(0,75%,-300px)';
				}
			}
			else {
				classie.remove(page, 'page--inactive');
			}

			page.style.zIndex = i < current ? parseInt(current - i) : parseInt(pagesTotal + current - i);

			if( posIdx !== -1 ) {
				page.style.opacity = parseFloat(1 - 0.1 * posIdx);
			}
			else {
				page.style.opacity = 0;
			}
		}
	}

	// event binding
	function initEvents() {
		// menu button click
		menuCtrl.addEventListener('click', toggleMenu);

		// navigation menu clicks
		navItems.forEach(function(item) {
			// which page to open?
			var pageid = item.getAttribute('href').slice(1);
			item.addEventListener('click', function(ev) {
				ev.preventDefault();
				openPage(pageid);
			});
		});

		// clicking on a page when the menu is open triggers the menu to close again and open the clicked page
		pages.forEach(function(page) {
			var pageid = page.getAttribute('id');
			page.addEventListener('click', function(ev) {
				if( isMenuOpen ) {
					ev.preventDefault();
					openPage(pageid);
				}
			});
		});

		// keyboard navigation events
		document.addEventListener( 'keydown', function( ev ) {
			if( !isMenuOpen ) return;
			var keyCode = ev.keyCode || ev.which;
			if( keyCode === 27 ) {
				closeMenu();
			}
		} );
	}

	// toggle menu fn
	function toggleMenu() {
		if( isMenuOpen ) {
			closeMenu();
		}
		else {
			openMenu();
			isMenuOpen = true;
		}
	}

	// opens the menu
	function openMenu() {
		// toggle the menu button
		classie.add(menuCtrl, 'menu-button--open')
		// stack gets the class "pages-stack--open" to add the transitions
		classie.add(stack, 'pages-stack--open');
		// reveal the menu
		classie.add(nav, 'pages-nav--open');

		// now set the page transforms
		var stackPagesIdxs = getStackPagesIdxs();
		for(var i = 0, len = stackPagesIdxs.length; i < len; ++i) {
			var page = pages[stackPagesIdxs[i]];
			page.style.WebkitTransform = 'translate3d(0, 75%, ' + parseInt(-1 * 200 - 50*i) + 'px)'; // -200px, -230px, -260px
			page.style.transform = 'translate3d(0, 75%, ' + parseInt(-1 * 200 - 50*i) + 'px)';
		}
	}

	// closes the menu
	function closeMenu() {
		// same as opening the current page again
		openPage();
	}

	// opens a page
	function openPage(id) {
		var futurePage = id ? document.getElementById(id) : pages[current],
			futureCurrent = pages.indexOf(futurePage),
			stackPagesIdxs = getStackPagesIdxs(futureCurrent);

		// set transforms for the new current page
		futurePage.style.WebkitTransform = 'translate3d(0, 0, 0)';
		futurePage.style.transform = 'translate3d(0, 0, 0)';
		futurePage.style.opacity = 1;

		// set transforms for the other items in the stack
		for(var i = 0, len = stackPagesIdxs.length; i < len; ++i) {
			var page = pages[stackPagesIdxs[i]];
			page.style.WebkitTransform = 'translate3d(0,100%,0)';
			page.style.transform = 'translate3d(0,100%,0)';
		}

		// set current
		if( id ) {
			current = futureCurrent;
		}

		// close menu..
		classie.remove(menuCtrl, 'menu-button--open');
		classie.remove(nav, 'pages-nav--open');
		onEndTransition(futurePage, function() {
			classie.remove(stack, 'pages-stack--open');
			// reorganize stack
			buildStack();
			isMenuOpen = false;
		});
	}

	// gets the current stack pages indexes. If any of them is the excludePage then this one is not part of the returned array
	function getStackPagesIdxs(excludePageIdx) {
		var nextStackPageIdx = current + 1 < pagesTotal ? current + 1 : 0,
			nextStackPageIdx_2 = current + 2 < pagesTotal ? current + 2 : 1,
			idxs = [],

			excludeIdx = excludePageIdx || -1;

		if( excludePageIdx != current ) {
			idxs.push(current);
		}
		if( excludePageIdx != nextStackPageIdx ) {
			idxs.push(nextStackPageIdx);
		}
		if( excludePageIdx != nextStackPageIdx_2 ) {
			idxs.push(nextStackPageIdx_2);
		}

		return idxs;
	}

	init();

})(window);

Данный урок подготовлен для вас командой сайта ruseller.com
Источник урока: http://tympanus.net/codrops/2015/10/21/page-stack-navigation/
Перевел: Станислав Протасевич
Урок создан: 26 Октября 2015
Просмотров: 8924
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