Mẫu menu cực cool với jQuery - Stripe Navigation

Chia sẻ

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1. HTML

<header class="cd-morph-dropdown">
    <a href="#0" class="nav-trigger">Open Nav<span aria-hidden="true"></span></a>
     
    <nav class="main-nav">
        <ul>
            <li class="has-dropdown gallery" data-content="about">
                <a href="#0">About</a>
            </li>
  
            <li class="has-dropdown links" data-content="pricing">
                <a href="#0">Pricing</a>
            </li>
  
            <li class="has-dropdown button" data-content="contact">
                <a href="#0">Contact</a>
            </li>
        </ul>
    </nav>
     
    <div class="morph-dropdown-wrapper">
        <div class="dropdown-list">
            <ul>
                <li id="about" class="dropdown gallery">
                    <!-- dropdown content here -->
                </li>
  
                <li id="pricing" class="dropdown links">
                    <!-- dropdown content here -->
                </li>
  
                <li id="contact" class="dropdown button">
                    <!-- dropdown content here -->
                </li>
            </ul>
  
            <div class="bg-layer" aria-hidden="true"></div>
        </div> <!-- dropdown-list -->
    </div> <!-- morph-dropdown-wrapper -->
</header>

2. CSS

/* -------------------------------- 
 
Primary style
 
-------------------------------- */
*, *::after, *::before {
  box-sizing: border-box;
}
 
html {
  font-size: 62.5%;
}
 
body {
  font-size: 1.6rem;
  font-family: "Lato", sans-serif;
  color: #1A1A1A;
  background-color: #FFFFFF;
}
 
a {
  color: #DB6356;
  text-decoration: none;
}
 
/* -------------------------------- 
 
 Header
 
-------------------------------- */
.cd-morph-dropdown {
  position: relative;
  height: 60px;
  background-color: #FFFFFF;
}
.cd-morph-dropdown::before {
  /* never visible - used in JS to check mq */
  content: 'mobile';
  display: none;
}
.cd-morph-dropdown .nav-trigger {
  /* menu icon - visible on small screens only */
  position: absolute;
  top: 0;
  right: 0;
  height: 60px;
  width: 60px;
  /* replace text with icon */
  overflow: hidden;
  text-indent: 100%;
  white-space: nowrap;
  color: transparent;
}
.cd-morph-dropdown .nav-trigger span, .cd-morph-dropdown .nav-trigger span::after, .cd-morph-dropdown .nav-trigger span::before {
  /* these are the 3 lines of the menu icon */
  position: absolute;
  background-color: #1A1A1A;
  height: 3px;
  width: 26px;
}
.cd-morph-dropdown .nav-trigger span {
  left: 50%;
  top: 50%;
  bottom: auto;
  right: auto;
  -webkit-transform: translateX(-50%) translateY(-50%);
      -ms-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
  -webkit-transition: background-color .3s;
  transition: background-color .3s;
}
.cd-morph-dropdown .nav-trigger span::after, .cd-morph-dropdown .nav-trigger span::before {
  content: '';
  left: 0;
  -webkit-transition: -webkit-transform .3s;
  transition: -webkit-transform .3s;
  transition: transform .3s;
  transition: transform .3s, -webkit-transform .3s;
}
.cd-morph-dropdown .nav-trigger span::before {
  -webkit-transform: translateY(-9px);
      -ms-transform: translateY(-9px);
          transform: translateY(-9px);
}
.cd-morph-dropdown .nav-trigger span::after {
  -webkit-transform: translateY(9px);
      -ms-transform: translateY(9px);
          transform: translateY(9px);
}
.cd-morph-dropdown.nav-open .nav-trigger span {
  background-color: transparent;
}
.cd-morph-dropdown.nav-open .nav-trigger span::before {
  -webkit-transform: rotate(45deg);
      -ms-transform: rotate(45deg);
          transform: rotate(45deg);
}
.cd-morph-dropdown.nav-open .nav-trigger span::after {
  -webkit-transform: rotate(-45deg);
      -ms-transform: rotate(-45deg);
          transform: rotate(-45deg);
}
.cd-morph-dropdown .main-nav {
  display: none;
}
.cd-morph-dropdown .morph-dropdown-wrapper {
  display: none;
  position: absolute;
  top: 60px;
  left: 0;
  width: 100%;
  padding: 1.2em 5%;
  box-shadow: inset 0 1px 0 #e6e6e6;
  background-color: #FFFFFF;
}
.cd-morph-dropdown.nav-open .morph-dropdown-wrapper {
  display: block;
}
.cd-morph-dropdown .dropdown-list > ul > li {
  margin-bottom: 3.3em;
}
.cd-morph-dropdown .label {
  display: block;
  font-size: 2.2rem;
  color: #1A1A1A;
  margin-bottom: .8em;
}
.cd-morph-dropdown .content li::after {
  clear: both;
  content: "";
  display: block;
}
.cd-morph-dropdown .gallery .content li {
  margin-bottom: 1.4em;
}
.cd-morph-dropdown .gallery .content a {
  display: block;
}
.cd-morph-dropdown .gallery .content a::before {
  /* icon on the left */
  content: '';
  display: inline-block;
  float: left;
  height: 54px;
  width: 54px;
  margin-right: .6em;
  background: red;
  border-radius: 50%;
  -webkit-transition: background .2s;
  transition: background .2s;
}
.cd-morph-dropdown .gallery .content a span, .cd-morph-dropdown .gallery .content a em {
  display: block;
  line-height: 1.2;
}
.cd-morph-dropdown .gallery .content a em {
  font-size: 1.8rem;
  padding: .4em 0 .2em;
  color: #1A1A1A;
}
.cd-morph-dropdown .gallery .content a span {
  font-size: 1.4rem;
  color: #a6a6a6;
}
.cd-morph-dropdown .gallery .content a:hover::before {
  background-color: #1A1A1A;
}
.cd-morph-dropdown .gallery li:nth-of-type(1) a::before {
  background: #f4e58a url(../img/cd-gallery-icons.svg) no-repeat 0 0;
}
.cd-morph-dropdown .gallery li:nth-of-type(2) a::before {
  background: #F4AF6D url(../img/cd-gallery-icons.svg) no-repeat -54px 0;
}
.cd-morph-dropdown .gallery li:nth-of-type(3) a::before {
  background: #DB6356 url(../img/cd-gallery-icons.svg) no-repeat -108px 0;
}
.cd-morph-dropdown .gallery li:nth-of-type(4) a::before {
  background: #8D4645 url(../img/cd-gallery-icons.svg) no-repeat -162px 0;
}
.cd-morph-dropdown .links .content > ul > li {
  margin-top: 1em;
}
.cd-morph-dropdown .links-list a,
.cd-morph-dropdown .btn {
  display: block;
  margin-left: 14px;
  font-size: 2.2rem;
  line-height: 1.6;
}
.cd-morph-dropdown .links-list a:hover,
.cd-morph-dropdown .btn:hover {
  color: #1A1A1A;
}
.cd-morph-dropdown .content h2 {
  color: #a6a6a6;
  text-transform: uppercase;
  font-weight: bold;
  font-size: 1.3rem;
  margin: 20px 0 10px 14px;
}
@media only screen and (min-width: 1000px) {
  .cd-morph-dropdown {
    position: absolute;
    height: 80px;
    left: 0;
    top: 0;
    width: 100%;
    padding: 0;
    text-align: center;
    background-color: transparent;
  }
  .cd-morph-dropdown::before {
    content: 'desktop';
  }
  .cd-morph-dropdown .nav-trigger {
    display: none;
  }
  .cd-morph-dropdown .main-nav {
    display: inline-block;
  }
  .cd-morph-dropdown .main-nav > ul > li {
    display: inline-block;
    float: left;
  }
  .cd-morph-dropdown .main-nav > ul > li > a {
    display: block;
    padding: 0 1.8em;
    height: 70px;
    line-height: 70px;
    color: #FFFFFF;
    font-size: 1.8rem;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-transition: opacity .2s;
    transition: opacity .2s;
  }
  .cd-morph-dropdown.is-dropdown-visible .main-nav > ul > li > a {
    /* main navigation hover effect - on hover, reduce opacity of elements not hovered over */
    opacity: .6;
  }
  .cd-morph-dropdown.is-dropdown-visible .main-nav > ul > li.active > a {
    opacity: 1;
  }
  .cd-morph-dropdown .morph-dropdown-wrapper {
    /* dropdown wrapper - used to create the slide up/slide down effect when dropdown is revealed/hidden */
    display: block;
    top: 58px;
    /* overwrite mobile style */
    width: auto;
    padding: 0;
    box-shadow: none;
    background-color: transparent;
    /* Force Hardware acceleration */
    -webkit-transform: translateZ(0);
            transform: translateZ(0);
    will-change: transform;
    -webkit-transform: translateY(20px);
        -ms-transform: translateY(20px);
            transform: translateY(20px);
    -webkit-transition: -webkit-transform .3s;
    transition: -webkit-transform .3s;
    transition: transform .3s;
    transition: transform .3s, -webkit-transform .3s;
  }
  .cd-morph-dropdown.is-dropdown-visible .morph-dropdown-wrapper {
    -webkit-transform: translateY(0);
        -ms-transform: translateY(0);
            transform: translateY(0);
  }
  .cd-morph-dropdown .dropdown-list {
    position: absolute;
    top: 0;
    left: 0;
    visibility: hidden;
    -webkit-transform: translateZ(0);
            transform: translateZ(0);
    will-change: transform, width, height;
    -webkit-transition: visibility .3s;
    transition: visibility .3s;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
  }
  .no-csstransitions .cd-morph-dropdown .dropdown-list {
    display: none;
  }
  .cd-morph-dropdown .dropdown-list::before {
    /* dropdown top triangle */
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    right: auto;
    -webkit-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
            transform: translateX(-50%);
    height: 0;
    width: 0;
    border: 8px solid transparent;
    border-bottom-color: #FFFFFF;
    opacity: 0;
    -webkit-transition: opacity .3s;
    transition: opacity .3s;
  }
  .cd-morph-dropdown .dropdown-list > ul {
    position: relative;
    z-index: 1;
    height: 100%;
    width: 100%;
    overflow: hidden;
  }
  .cd-morph-dropdown.is-dropdown-visible .dropdown-list {
    visibility: visible;
    -webkit-transition: width .3s, height .3s, -webkit-transform .3s;
    transition: width .3s, height .3s, -webkit-transform .3s;
    transition: transform .3s, width .3s, height .3s;
    transition: transform .3s, width .3s, height .3s, -webkit-transform .3s;
  }
  .cd-morph-dropdown.is-dropdown-visible .dropdown-list::before {
    opacity: 1;
  }
  .cd-morph-dropdown .dropdown {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    visibility: hidden;
    width: 100%;
    -webkit-transition: opacity .3s, visibility .3s;
    transition: opacity .3s, visibility .3s;
  }
  .cd-morph-dropdown .dropdown.active {
    opacity: 1;
    visibility: visible;
  }
  .cd-morph-dropdown .dropdown.move-left .content {
    -webkit-transform: translateX(-100px);
        -ms-transform: translateX(-100px);
            transform: translateX(-100px);
  }
  .cd-morph-dropdown .dropdown.move-right .content {
    -webkit-transform: translateX(100px);
        -ms-transform: translateX(100px);
            transform: translateX(100px);
  }
  .cd-morph-dropdown .label {
    /* hide the label on bigger devices */
    display: none;
  }
  .cd-morph-dropdown .content {
    padding: 2.2em 1.8em;
    -webkit-transition: -webkit-transform .3s;
    transition: -webkit-transform .3s;
    transition: transform .3s;
    transition: transform .3s, -webkit-transform .3s;
    text-align: left;
  }
  .cd-morph-dropdown .content > ul::after {
    clear: both;
    content: "";
    display: block;
  }
  .cd-morph-dropdown .content > ul > li {
    width: 48%;
    float: left;
    margin-right: 4%;
    margin-top: 0;
  }
  .cd-morph-dropdown .content > ul > li:nth-of-type(2n) {
    margin-right: 0;
  }
  .cd-morph-dropdown .gallery .content {
    /* you need to set a width for the .content elements because they have a position absolute */
    width: 510px;
    padding-bottom: .8em;
  }
  .cd-morph-dropdown .gallery .content li {
    margin-bottom: 1.8em;
  }
  .cd-morph-dropdown .links .content > ul > li {
    margin-top: 0;
  }
  .cd-morph-dropdown .links .content,
  .cd-morph-dropdown .button .content {
    width: 390px;
  }
  .cd-morph-dropdown .links-list a {
    font-size: 1.6rem;
    margin-left: 0;
  }
  .cd-morph-dropdown .btn {
    display: block;
    width: 100%;
    height: 60px;
    margin: 1.5em 0 0;
    font-size: 1.8rem;
    text-align: center;
    color: #FFFFFF;
    line-height: 60px;
    background: #DB6356;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  .cd-morph-dropdown .btn:hover {
    background: #1A1A1A;
    color: #FFFFFF;
  }
  .cd-morph-dropdown .content h2 {
    font-size: 1.8rem;
    text-transform: none;
    font-weight: normal;
    color: #1A1A1A;
    margin: 0 0 .6em;
  }
  .cd-morph-dropdown .bg-layer {
    /* morph dropdown background */
    position: absolute;
    top: 0;
    left: 0;
    height: 1px;
    width: 1px;
    background: #FFFFFF;
    opacity: 0;
    -webkit-transition: opacity .3s;
    transition: opacity .3s;
    -webkit-transform-origin: top left;
        -ms-transform-origin: top left;
            transform-origin: top left;
    -webkit-transform: translateZ(0);
            transform: translateZ(0);
    will-change: transform;
    -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
  }
  .cd-morph-dropdown.is-dropdown-visible .bg-layer {
    opacity: 1;
    -webkit-transition: opacity .3s, -webkit-transform .3s;
    transition: opacity .3s, -webkit-transform .3s;
    transition: transform .3s, opacity .3s;
    transition: transform .3s, opacity .3s, -webkit-transform .3s;
  }
}
 
/* -------------------------------- 
 
Main site content
 
-------------------------------- */
.cd-main-content {
  min-height: 100vh;
  background-color: #548c7e;
}
@media only screen and (min-width: 1000px) {
  .cd-main-content {
    padding-top: 80px;
  }
}

3. JAVASCRIPT

jQuery(document).ready(function($){
    function morphDropdown( element ) {
        this.element = element;
        this.mainNavigation = this.element.find('.main-nav');
        this.mainNavigationItems = this.mainNavigation.find('.has-dropdown');
        this.dropdownList = this.element.find('.dropdown-list');
        this.dropdownWrappers = this.dropdownList.find('.dropdown');
        this.dropdownItems = this.dropdownList.find('.content');
        this.dropdownBg = this.dropdownList.find('.bg-layer');
        this.mq = this.checkMq();
        this.bindEvents();
    }
 
    morphDropdown.prototype.checkMq = function() {
        //check screen size
        var self = this;
    return window.getComputedStyle(self.element.get(0), '::before').getPropertyValue('content').replace(/"/g, "").replace(/"/g, "").split(', ');
    };
 
    morphDropdown.prototype.bindEvents = function() {
        var self = this;
        //hover over an item in the main navigation
        this.mainNavigationItems.mouseenter(function(event){
            //hover over one of the nav items -> show dropdown
            self.showDropdown($(this));
        }).mouseleave(function(){
            setTimeout(function(){
                //if not hovering over a nav item or a dropdown -> hide dropdown
                if( self.mainNavigation.find('.has-dropdown:hover').length == 0 && self.element.find('.dropdown-list:hover').length == 0 ) self.hideDropdown();
            }, 50);
        });
         
        //hover over the dropdown
        this.dropdownList.mouseleave(function(){
            setTimeout(function(){
                //if not hovering over a dropdown or a nav item -> hide dropdown
                (self.mainNavigation.find('.has-dropdown:hover').length == 0 && self.element.find('.dropdown-list:hover').length == 0 ) && self.hideDropdown();
            }, 50);
        });
 
        //click on an item in the main navigation -> open a dropdown on a touch device
        this.mainNavigationItems.on('touchstart', function(event){
            var selectedDropdown = self.dropdownList.find('#'+$(this).data('content'));
            if( !self.element.hasClass('is-dropdown-visible') || !selectedDropdown.hasClass('active') ) {
                event.preventDefault();
                self.showDropdown($(this));
            }
        });
 
        //on small screens, open navigation clicking on the menu icon
        this.element.on('click', '.nav-trigger', function(event){
            event.preventDefault();
            self.element.toggleClass('nav-open');
        });
    };
 
    morphDropdown.prototype.showDropdown = function(item) {
        this.mq = this.checkMq();
        if( this.mq == 'desktop') {
            var self = this;
            var selectedDropdown = this.dropdownList.find('#'+item.data('content')),
                selectedDropdownHeight = selectedDropdown.innerHeight(),
                selectedDropdownWidth = selectedDropdown.children('.content').innerWidth(),
                selectedDropdownLeft = item.offset().left + item.innerWidth()/2 - selectedDropdownWidth/2;
 
            //update dropdown position and size
            this.updateDropdown(selectedDropdown, parseInt(selectedDropdownHeight), selectedDropdownWidth, parseInt(selectedDropdownLeft));
            //add active class to the proper dropdown item
            this.element.find('.active').removeClass('active');
            selectedDropdown.addClass('active').removeClass('move-left move-right').prevAll().addClass('move-left').end().nextAll().addClass('move-right');
            item.addClass('active');
            //show the dropdown wrapper if not visible yet
            if( !this.element.hasClass('is-dropdown-visible') ) {
                setTimeout(function(){
                    self.element.addClass('is-dropdown-visible');
                }, 10);
            }
        }
    };
 
    morphDropdown.prototype.updateDropdown = function(dropdownItem, height, width, left) {
        this.dropdownList.css({
            '-moz-transform': 'translateX(' + left + 'px)',
            '-webkit-transform': 'translateX(' + left + 'px)',
            '-ms-transform': 'translateX(' + left + 'px)',
            '-o-transform': 'translateX(' + left + 'px)',
            'transform': 'translateX(' + left + 'px)',
            'width': width+'px',
            'height': height+'px'
        });
 
        this.dropdownBg.css({
            '-moz-transform': 'scaleX(' + width + ') scaleY(' + height + ')',
            '-webkit-transform': 'scaleX(' + width + ') scaleY(' + height + ')',
            '-ms-transform': 'scaleX(' + width + ') scaleY(' + height + ')',
            '-o-transform': 'scaleX(' + width + ') scaleY(' + height + ')',
            'transform': 'scaleX(' + width + ') scaleY(' + height + ')'
        });
    };
 
    morphDropdown.prototype.hideDropdown = function() {
        this.mq = this.checkMq();
        if( this.mq == 'desktop') {
            this.element.removeClass('is-dropdown-visible').find('.active').removeClass('active').end().find('.move-left').removeClass('move-left').end().find('.move-right').removeClass('move-right');
        }
    };
 
    morphDropdown.prototype.resetDropdown = function() {
        this.mq = this.checkMq();
        if( this.mq == 'mobile') {
            this.dropdownList.removeAttr('style');
        }
    };
 
    var morphDropdowns = [];
    if( $('.cd-morph-dropdown').length > 0 ) {
        $('.cd-morph-dropdown').each(function(){
            //create a morphDropdown object for each .cd-morph-dropdown
            morphDropdowns.push(new morphDropdown($(this)));
        });
 
        var resizing = false;
 
        //on resize, reset dropdown style property
        updateDropdownPosition();
        $(window).on('resize', function(){
            if( !resizing ) {
                resizing =  true;
                (!window.requestAnimationFrame) ? setTimeout(updateDropdownPosition, 300) : window.requestAnimationFrame(updateDropdownPosition);
            }
        });
 
        function updateDropdownPosition() {
            morphDropdowns.forEach(function(element){
                element.resetDropdown();
            });
 
            resizing = false;
        };
    }
});

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