JSFiddle - React, Tailwind, and code Playground

Bootstrap-styled tree widget

by Ben Clayton

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.1/css/bootstrap-combined.min.css">
<script src="http://netdna.bootstrapcdn.com/twitter-bootstrap/2.3.1/js/bootstrap.min.js"></script>
<div class="tree well">
    <ul>
        <li>
            <span><i class="icon-folder-open"></i> NAVIGATION</span>
            <ul>
                <li>
                	<span><i class="leaf"></i> <a href="javascript:alert('Main')">MAIN</a></span>
                    
                </li>
                
                <li>
                	<span><i class="leaf"></i> <a href="">SUB</a></span>
                    
                </li>

                <li>
                	<span><i class="leaf"></i> <a href="">LOCATION</a></span>
                    
                </li>

                <li>
                	<span><i class="leaf"></i> <a href="">SECONDARY</a></span>
                    
                </li>
                <li>
                	<span><i class="leaf"></i> <a href="">CONTENT QUICK LINKS</a></span>
                    
                </li>


            </ul>
        </li>



        <li>
            <span><i class="icon-folder-open"></i> Content</span>
            <ul>
                <li>
                	<span><i class="leaf"></i> <a href="">MAIN HEADING</a></span>
                    
                </li>
                
                <li>
                	<span><i class="leaf"></i> <a href="">SUB HEADING</a></span>
                    
                </li>

                <li>
                	<span><i class="leaf"></i> <a href="">TERTIARY HEADING</a></span>
                    
                </li>

                <li>
                	<span><i class="leaf"></i> <a href="">BODY COPY</a></span>
                    
                </li>


            </ul>
        </li>



    </ul>
</div>

CSS

.tree {
    font-size:12px;
    min-height:15px;
    padding:12px;
    margin-bottom:10px;
    background-color:#fbfbfb;
    border:1px solid #999;
    -webkit-border-radius:4px;
    -moz-border-radius:4px;
    border-radius:4px;
    -webkit-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);
    -moz-box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05);
    box-shadow:inset 0 1px 1px rgba(0, 0, 0, 0.05)
}
.tree a {color:grey}
.tree a:hover {color:red;text-decoration: none;}

.tree li span {background-color:#FFDDEE}
.tree li li span {background-color:#DDFFEE}

.tree li {
    list-style-type:none;
    margin:0;
    padding:3px 3px 0 3px;
    position:relative
}
.tree li::before, .tree li::after {
    content:'';
    left:-20px;
    position:absolute;
    right:auto
}
.tree li::before {
    border-left:1px solid #999;
    bottom:50px;
    height:100%;
    top:0;
    width:1px
}
.tree li::after {
    border-top:1px solid #999;
    height:20px;
    top:15px;
    width:25px
}
.tree li span {
    -moz-border-radius:5px;
    -webkit-border-radius:5px;
    border:1px solid #999;
    border-radius:5px;
    display:inline-block;
    padding:3px 8px;
    text-decoration:none
}
.tree li.parent_li>span {
    cursor:pointer
}
.tree>ul>li::before, .tree>ul>li::after {
    border:0
}
.tree li:last-child::before {
    height:30px
}
.tree li.parent_li>span:hover, .tree li.parent_li>span:hover+ul li span {
    background:#eee;
    border:1px solid #94a0b4;
    color:#000
}

JavaScript

$(function () {
    $('.tree li:has(ul)').addClass('parent_li').find(' > span').attr('title', 'Collapse this branch');
    $('.tree li.parent_li > span').on('click', function (e) {
        var children = $(this).parent('li.parent_li').find(' > ul > li');
        if (children.is(":visible")) {
            children.hide('fast');
            $(this).attr('title', 'Expand this branch').find(' > i').addClass('icon-plus-sign').removeClass('icon-minus-sign');
        } else {
            children.show('fast');
            $(this).attr('title', 'Collapse this branch').find(' > i').addClass('icon-minus-sign').removeClass('icon-plus-sign');
        }
        e.stopPropagation();
    });
});