public function testCreate()
{
$tree = new Tree();
$this->assertEquals($tree->getRoot(), null);
$this->assertEquals($tree->infixeList(), [0 => null]);
}
/**
* Simple recursive visualisation.
*
* @param Tree $tree
* @return string
*/
public function render(Tree $tree)
{
echo '<!doctype html>
<html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
<style type="text/css">
.node {
border: 1px solid #0f0;
border-radius: 50px;
height: 90px;
width: 90px;
padding: 10px;
text-align: center;
}
.spacer {
height: 100px;
}
.black {
border-color: #000;
}
.red {
border-color: #F00;
}
.leaf {
background: #eee2c1;
}
.top, .bottom {
height: 20px;
}
.left, .right {
display: inline-block;
}
.parent, .root {
border: 1px solid;
height: 24px;
width: 24px;
padding: 2px;
border-radius: 12px;
text-align: center;
display: inline-block;
}
.parent, .root, .glyphicon-remove {
color: #999;
}
.parent {
border-color: #ccc;
background: #eee;
}
.root {
border-color: #aad;
background: #ccf;
color: #aad;
}
</style>
</head>
<body>
<table class="table">
<tr>
';
$this->infixeRender($tree->getRoot());
echo '
</tr>
</table>
</body>
</html>
';
}
