Quel est le moyen le plus simple de créer un menu déroulant à plusieurs niveaux dans Bootstrap 4? Tous les exemples que j'ai réussi à trouver sur SO étaient soit trop compliqués, soit exclus de la navigation.
J'ai juste essayé de placer un menu déroulant dans un menu déroulant, mais cela ne semble pas fonctionner. Quelqu'un peut-il m'aider avec celui-ci?
Voici le schéma de base de mon code:
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>
<nav class="navbar navbar-toggleable-md navbar-light bg-faded">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="#">Navbar</a>
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link 1</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="http://example.com" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown link
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
</ul>
</div>
</nav>
J'utilise le css suivant et javacript. Il utilise une classe supplémentaire dropdown-submenu
. Je l'ai testé avec Bootstrap 4 beta.
Il supporte les sous-menus multi-niveaux.
$('.dropdown-menu a.dropdown-toggle').on('click', function(e) {
if (!$(this).next().hasClass('show')) {
$(this).parents('.dropdown-menu').first().find('.show').removeClass('show');
}
var $subMenu = $(this).next('.dropdown-menu');
$subMenu.toggleClass('show');
$(this).parents('li.nav-item.dropdown.show').on('hidden.bs.dropdown', function(e) {
$('.dropdown-submenu .show').removeClass('show');
});
return false;
});
.dropdown-submenu {
position: relative;
}
.dropdown-submenu a::after {
transform: rotate(-90deg);
position: absolute;
right: 6px;
top: .8em;
}
.dropdown-submenu .dropdown-menu {
top: 0;
left: 100%;
margin-left: .1rem;
margin-right: .1rem;
}
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/css/bootstrap.min.css" integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js" integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/js/bootstrap.min.js" integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1" crossorigin="anonymous"></script>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="http://example.com" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown link
</a>
<ul class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
<li><a class="dropdown-item" href="#">Action</a></li>
<li><a class="dropdown-item" href="#">Another action</a></li>
<li class="dropdown-submenu">
<a class="dropdown-item dropdown-toggle" href="#">Submenu</a>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Submenu action</a></li>
<li><a class="dropdown-item" href="#">Another submenu action</a></li>
<li class="dropdown-submenu">
<a class="dropdown-item dropdown-toggle" href="#">Subsubmenu</a>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Subsubmenu action</a></li>
<li><a class="dropdown-item" href="#">Another subsubmenu action</a></li>
</ul>
</li>
<li class="dropdown-submenu">
<a class="dropdown-item dropdown-toggle" href="#">Second subsubmenu</a>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Subsubmenu action</a></li>
<li><a class="dropdown-item" href="#">Another subsubmenu action</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</nav>
Mis à jour en 2018
Voici une autre variante de la barre de navigation Bootstrap 4.1 avec liste déroulante à plusieurs niveaux. Celui-ci utilise un minimum de CSS pour le sous-menu, et peut être repositionné comme souhaité:
https://www.codeply.com/go/nG6iMAmI2X
.dropdown-submenu {
position: relative;
}
.dropdown-submenu .dropdown-menu {
top: 0;
left: 100%;
margin-top: -1px;
}
jQuery pour contrôler l’affichage des sous-menus:
$('.dropdown-submenu > a').on("click", function(e) {
var submenu = $(this);
$('.dropdown-submenu .dropdown-menu').removeClass('show');
submenu.next('.dropdown-menu').addClass('show');
e.stopPropagation();
});
$('.dropdown').on("hidden.bs.dropdown", function() {
// hide any open menus when parent closes
$('.dropdown-menu.show').removeClass('show');
});
Voir cette réponse pour activer le sous-menus Bootstrap 4 en survol
J'ai trouvé ceci menu multipoint qui fonctionne très bien dans tous les appareils.
Aussi, ayez style de survol
Il supporte les sous-menus multi-niveaux avec bootstrap 4.
$( document ).ready( function () {
$( '.navbar a.dropdown-toggle' ).on( 'click', function ( e ) {
var $el = $( this );
var $parent = $( this ).offsetParent( ".dropdown-menu" );
$( this ).parent( "li" ).toggleClass( 'show' );
if ( !$parent.parent().hasClass( 'navbar-nav' ) ) {
$el.next().css( { "top": $el[0].offsetTop, "left": $parent.outerWidth() - 4 } );
}
$( '.navbar-nav li.show' ).not( $( this ).parents( "li" ) ).removeClass( "show" );
return false;
} );
} );
.navbar-light .navbar-nav .nav-link {
color: rgb(64, 64, 64);
}
.btco-menu li > a {
padding: 10px 15px;
color: #000;
}
.btco-menu .active a:focus,
.btco-menu li a:focus ,
.navbar > .show > a:focus{
background: transparent;
outline: 0;
}
.dropdown-menu .show > .dropdown-toggle::after{
transform: rotate(-90deg);
}
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>
<nav class="navbar navbar-toggleable-md navbar-light bg-faded btco-menu">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="#">Navbar</a>
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Features</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Pricing</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="https://bootstrapthemes.co" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown link</a>
<ul class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
<li><a class="dropdown-item" href="#">Action</a></li>
<li><a class="dropdown-item" href="#">Another action</a></li>
<li><a class="dropdown-item dropdown-toggle" href="#">Submenu</a>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Submenu action</a></li>
<li><a class="dropdown-item" href="#">Another submenu action</a></li>
<li><a class="dropdown-item dropdown-toggle" href="#">Subsubmenu</a>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Subsubmenu action</a></li>
<li><a class="dropdown-item" href="#">Another subsubmenu action</a></li>
</ul>
</li>
<li><a class="dropdown-item dropdown-toggle" href="#">Second subsubmenu</a>
<ul class="dropdown-menu">
<li><a class="dropdown-item" href="#">Subsubmenu action</a></li>
<li><a class="dropdown-item" href="#">Another subsubmenu action</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</nav>
Ce qui suit est une liste déroulante MultiLevel basée sur bootstrap4. J'ai essayé que cela corresponde à la liste déroulante de base bootstrap4.
.dropdown-submenu{
position: relative;
}
.dropdown-submenu a::after{
transform: rotate(-90deg);
position: absolute;
right: 3px;
top: 40%;
}
.dropdown-submenu:hover .dropdown-menu, .dropdown-submenu:focus .dropdown-menu{
display: flex;
flex-direction: column;
position: absolute !important;
margin-top: -30px;
left: 100%;
}
@media (max-width: 992px) {
.dropdown-menu{
width: 50%;
}
.dropdown-menu .dropdown-submenu{
width: auto;
}
}
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>
<nav class="navbar navbar-toggleable-md navbar-light bg-faded">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="#">Navbar</a>
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link 1</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="http://example.com" id="navbarDropdownMenuLink" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown link
</a>
<ul class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
<li><a class="dropdown-item" href="#">Action</a></li>
<li><a class="dropdown-item" href="#">Another action</a></li>
<li class="dropdown-submenu"><a class="dropdown-item dropdown-toggle" data-toggle="dropdown" href="#">Something else here</a>
<ul class="dropdown-menu">
<a class="dropdown-item" href="#">A</a>
<a class="dropdown-item" href="#">b</a>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</nav>