I have been experimenting with CSS and JavaScript to create a dynamic graph based on a data table. You can view the graph that I need to replicate using CSS and JavaScript in this PDF. The example provided below showcases what I am attempting to achieve, although it is not dynamic.
/*CSS Code*/
* {margin: 0; padding: 0;}
.tree ul {
padding-top: 20px; position: relative;
transition: all 0.5s;
-webkit-transition: all 0.5s;
-moz-transition: all 0.5s;
}
.tree li {
float: left; text-align: center;
list-style-type: none;
position: relative;
padding: 20px 5px 0 5px;
transition: all 0.5s;
-webkit-transition: all 0.5s;
-moz-transition: all 0.5s;
}
/*Using ::before and ::after for connectors*/
.tree li::before, .tree li::after{
content: '';
position: absolute; top: 0; right: 50%;
border-top: 1px solid #ccc;
width: 50%; height: 20px;
}
.tree li::after{
right: auto; left: 50%;
border-left: 1px solid #ccc;
}
/*Removing connectors from elements without siblings*/
.tree li:only-child::after, .tree li:only-child::before {
display: none;
}
/*Adjusting spacing for single children*/
.tree li:only-child{ padding-top: 0;}
/*Removing connectors from first and last child*/
.tree li:first-child::before, .tree li:last-child::after{
border: 0 none;
}
/*Adding vertical connector to last nodes*/
.tree li:last-child::before{
border-right: 1px solid #ccc;
border-radius: 0 5px 0 0;
-webkit-border-radius: 0 5px 0 0;
-moz-border-radius: 0 5px 0 0;
}
.tree li:first-child::after{
border-radius: 5px 0 0 0;
-webkit-border-radius: 5px 0 0 0;
-moz-border-radius: 5px 0 0 0;
}
/*Vertically connecting parents*/
.tree ul ul::before{
content: '';
position: absolute; top: 0; left: 50%;
border-left: 1px solid #ccc;
width: 0; height: 20px;
}
.tree li a{
border: 1px solid #ccc;
padding: 5px 10px;
text-decoration: none;
color: #666;
font-family: arial, verdana, tahoma;
font-size: 11px;
display: inline-block;
border-radius: 5px;
-webkit-border-radius: 5px;
-moz-border-radius: 5px;
transition: all 0.5s;
-webkit-transition: all 0.5s;
-moz-transition: all 0.5s;
}
/*Hover effects*/
.tree li a:hover, .tree li a:hover+ul li a {
background: #c8e4f8; color: #000; border: 1px solid #94a0b4;
}
.tree li a:hover+ul li::after,
.tree li a:hover+ul li::before,
.tree li a:hover+ul::before,
.tree li a:hover+ul ul::before{
border-color: #94a0b4;
}
<div class="tree">
<ul>
<li>
<a href="#">level_0</a>
<ul>
<li>
<a href="#">service_0</a>
<ul>
<li>
<a href="#">output_0</a>
</li>
</ul>
</li>
<li>
<a href="#">service_1</a>
<ul>
<li><a href="#">output_0</a></li>
<li>
<a href="#">output_1</a>
<ul>
<li>
<a href="#">input_0</a>
</li>
<li>
<a href="#">input_1</a>
</li>
<li>
<a href="#">input_2</a>
</li>
</ul>
</li>
<li><a href="#">output_2</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>