我正在使用Bootstrap 4将我的旧网站进行转型,这绝对是一个学习的过程。
我已经成功地制作了网站布局,但我意识到我的左侧垂直导航栏有很多链接。其中许多链接被分组在折叠的嵌套中。
我认为在导航栏顶部添加一个搜索栏会很好,这样我就可以根据输入到搜索栏的部分字符串过滤链接。 这适用于没有隐藏在隐藏div(或class = collapsed
boostrap 4 ul)内的链接。
我需要帮助修改我的代码以显示包括任何隐藏在折叠ul内的链接的过滤结果。
$('.search-filter').on('keyup', function() {
var input = $('.search-filter').val();
var filter = input.toLowerCase();
if (filter.length == 0) { // show all if filter is empty
$('a').each(function() {
$(this).show(); // show links
});
return;
} else {
$('a').removeClass('collapsed');
$('a').each(function() {
$(this).hide(); // hide all links once search is begun
});
$('a:contains("' + filter + '")').each(function() {
$(this).removeClass('collapsed'); // remove bootstrap 4 collapsed class designation
$(this).show(); // show only matched links to search string?
});
}
});
@import url('https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css');
.navbar-nav.sidebar-nav {
position: absolute;
left: 0;
top: 0;
margin-top: 56px;
padding-bottom: 56px;
height: 100vh;
background: #292b2c;
-webkit-flex-direction: column;
-ms-flex-direction: column;
flex-direction: column;
overflow: auto;
}
.navbar-brand {
display: inline-block;
padding-top: .25rem;
padding-bottom: .25rem;
margin-right: 1rem;
font-size: 1.25rem;
line-height: inherit;
white-space: nowrap;
color: #fff;
}
.navbar-nav .nav-link {
color: rgba(255, 255, 255, .5);
}
<div id="link-content">
<ul class="sidebar-nav navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#"><i class="fa fa-fw fa-home"></i> Home</a>
</li>
<li class="nav-item">
<label for="nav-search" class="col-2 col-form-label sr-only">Search links</label>
<div class="col p-2">
<input class="form-control form-control-sm search-filter" type="search" id="nav-search" placeholder="Search for tools">
</div>
</li>
<li class="nav-item">
<span class="navbar-brand">Popular tools</span>
</li>
<li class="nav-item">
<a class="nav-link" href="#"><i class="fa fa-fw fa-calculator"></i> Calculator</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#"><i class="fa fa-fw fa-battery-3"></i> Battery </a>
</li>
<li class="nav-item">
<a class="nav-link" href="#"><i class="fa fa-fw fa-database"></i> Pancake Batter</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#"><i class="fa fa-fw fa-clock-o"></i> Marzipan</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#"><i class="fa fa-fw fa-tags"></i> Cakes and Muffins</a>
</li>
<li class="nav-item">
<span class="navbar-brand">Categories</span>
</li>
<li class="nav-item">
<a class="nav-link nav-link-collapse collapsed" data-toggle="collapse" href="#collapseComponents"><i class="fa fa-fw fa-flask"></i> Cars</a>
<ul class="sidebar-second-level collapse" id="collapseComponents">
<li>
<a class="nav-link-collapse collapsed" data-toggle="collapse" href="#collapseMulti2">American</a>
<ul class="sidebar-third-level collapse" id="collapseMulti2">
<li>
<a href="#">Ford</a>
</li>
<li>
<a href="#">GMC</a>
</li>
</ul>
</li>
<li>
<a class="nav-link-collapse collapsed" data-toggle="collapse" href="#collapseMulti3">European</a>
<ul class="sidebar-third-level collapse" id="collapseMulti3">
<li>
<a href="#">BMW</a>
</li>
<li>
<a href="#">Audi</a>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js"></script>