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Draw tree and dynamic design (diagram) using CSS and javascript

I tried to draw a dynamic graph using CSS and javascript according to the data table. on this pdf you will find a graph that I have to draw using css and javascript (html).
here is an example (html and css) of what I'm trying to do (but this example is not dynamic)

/*Now the CSS*/
* {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;
}

/*We will use ::before and ::after to draw the 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;
}

/*We need to remove left-right connectors from elements without 
any siblings*/
.tree li:only-child::after, .tree li:only-child::before {
	display: none;
}

/*Remove space from the top of single children*/
.tree li:only-child{ padding-top: 0;}

/*Remove left connector from first child and 
right connector from last child*/
.tree li:first-child::before, .tree li:last-child::after{
	border: 0 none;
}
/*Adding back the vertical connector to the 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;
}

/*Time to add downward connectors from 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;
}

/*Time for some hover effects*/
/*We will apply the hover effect the the lineage of the element also*/
.tree li a:hover, .tree li a:hover+ul li a {
	background: #c8e4f8; color: #000; border: 1px solid #94a0b4;
}
/*Connector styles on hover*/
.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>
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2 answers

I found a solution for my own problem, I do not know if this is a general solution.

EJS code

<div class="tree">
                            <ul>
                                <li>
                                    <a href="#">Niveau <%=level_selected%></a>
                                    <ul>
                                        <%var type_service = null;
                                            data.forEach(function(docService) {
                                            if(docService.type_service != type_service){%>
                                        <li>
                                            <a href="#"><%= docService.service%></a>
                                            <ul>
                                                <% var class_output = null;
                                                data.forEach(function(docOutput) {
                                                if(docOutput.type_service == docService.type_service){
                                                    if(docOutput.class_output != class_output){%>
                                                <li>
                                                    <a href="#"><%= docOutput.output%></a>
                                                    <ul>
                                                        <%
                                                        data.forEach(function(docInput) {
                                                        if(docInput.type_service == docService.type_service){
                                                        if((docInput.class_output == docOutput.class_output)&&(docInput.input != null)){ %>
                                                        <li>
                                                            <a href="#"><%=docInput.input%></a>
                                                        </li>
                                                        <%}}});%>
                                                    </ul>
                                                </li>
                                                <%}class_output=docOutput.class_output;
                                                }});%>

                                            </ul>
                                        </li>
                                        <% }type_service=docService.type_service;});%>
                                    </ul>
                                </li>
                            </ul>
                        </div>

I hope this solution will be useful for someone

0
source

css , -, . PDF .

$(function() {
  var tree = {
    label: "Level 0",
    child: [{
      label: "Service 0",
      child: [{
        label: "Output 0",
        child: []
      }]
    }, {
      label: "Service 1",
      child: [{
        label: "Output 0",
        child: []
      }, {
        label: "Output 1",
        child: [{
          label: "input 0",
          child: []
        }, {
          label: "Input 1",
          child: []
        }, {
          label: "Input 2",
          child: []
        }]
      }, {
        label: "Output 2",
        child: []
      }]
    }]
  }

  function buildTree(tree) {
    var html = ""
    var label = "<a href='#'>" + tree.label + "</a>"
    var child = tree.child
    html += "<li>" + label
    if (tree.child.length > 0) {
      html += "<ul>";
      $.each(tree.child, function(i, elem) {
        html += buildTree(elem);
      });
      html += "</ul>";
    } else {
      html += "</li>";
    }
    return html
  }
  $(".tree").append("<ul>"+buildTree(tree)+"</ul>")
})
/*Now the CSS*/

* {
  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;
}
/*We will use ::before and ::after to draw the 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;
}
/*We need to remove left-right connectors from elements without 
any siblings*/

.tree li:only-child::after,
.tree li:only-child::before {
  display: none;
}
/*Remove space from the top of single children*/

.tree li:only-child {
  padding-top: 0;
}
/*Remove left connector from first child and 
right connector from last child*/

.tree li:first-child::before,
.tree li:last-child::after {
  border: 0 none;
}
/*Adding back the vertical connector to the 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;
}
/*Time to add downward connectors from 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;
}
/*Time for some hover effects*/

/*We will apply the hover effect the the lineage of the element also*/

.tree li a:hover,
.tree li a:hover+ul li a {
  background: #c8e4f8;
  color: #000;
  border: 1px solid #94a0b4;
}
/*Connector styles on hover*/

.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;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="tree">
</div>
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Source: https://habr.com/ru/post/1648782/

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