Treeview / Древовидная структура

index.html

    <div id="collapseDVR3" class="panel-collapse collapse in">
        <div class="tree ">
            <ul>
                <li> <span><i class="fa fa-folder-open"></i> Менюшка</span> 
                    <ul>
                        <li>	<span><i class="fa fa-minus-square"></i> другая Менюшка</span> 
                            <ul>
                                <li> <span> ещё одна Менюшка </span> </li>
                            </ul>
                        </li>
                        <li>	<span><i class="fa fa-minus-square"></i> другая </span>
                            <ul>
                                <li> <span> Менюшка </span></li>
                                <li>	<span><i class="fa fa-minus-square"></i> Менюшка</span>
                                    <ul>
                                        <li> <span><i class="fa fa-minus-square"></i> Менюшка</span>
                                            <ul>
                                                <li> <span> Менюшка</span></li>
                                                <li> <span> Менюшка</span></li>
                                            </ul>
                                        </li>
                                        <li> <span> Менюшка</span> </li>
                                        <li> <span> Менюшка</span> </li>
                                    </ul>
                                </li>
                                <li> <span> Менюшка</span></li>
                            </ul>
                        </li>
                    </ul>
                </li>
                <li> <span><i class="fa fa-folder-open"></i> Менюшка2</span>
                    <ul>
                        <li>	<span> Менюшка</span> </li>
                    </ul>
                </li>
            </ul>
        </div>
    </div>

script.js

 $(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('fa-plus-square').removeClass('fa-minus-square');
          } else {
              children.show('fast');
              $(this).attr('title', 'Collapse this branch').find(' > i').addClass('fa-minus-square').removeClass('fa-plus-square');
          }
          e.stopPropagation();
      });
  });

scripts

<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.1.1/js/bootstrap.min.js"></script>

style.css

/* original idea http://www.bootply.com/phf8mnMtpe */

.tree {
    min-height:20px;
    padding:19px;
    margin-bottom:20px;
    background-color:#fbfbfb;
    -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 li {
    list-style-type:none;
    margin:0;
    padding:10px 5px 0 5px;
    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:30px;
    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
}

styles

<link href="https://netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css" rel="stylesheet" />
<link href="https://netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.min.css" rel="stylesheet" />

treeview.markdown

Treeview / Древовидная структура

Treeview, bootstrap support

A Pen by AxeLVaisper on CodePen.

License.