/**
* Creates a class inheritance diagram.
*
* @param DOMDocument $structure
* @param DocBlox_Transformer_Transformation $transformation
*
* @return void
*/
public function processClass(DOMDocument $structure, DocBlox_Transformer_Transformation $transformation)
{
$filename = $transformation->getTransformer()->getTarget() . DIRECTORY_SEPARATOR . $transformation->getArtifact();
$graph = DocBlox_GraphViz_Graph::create()->setRankSep('1.0')->setCenter('true')->setRank('source')->setRankDir('RL')->setSplines('true')->setConcentrate('true');
$xpath = new DOMXPath($structure);
$qry = $xpath->query("/project/namespace");
/** @var DOMElement $element */
foreach ($qry as $element) {
$this->buildNamespaceTree($graph, $element, $xpath, '');
}
// link all extended relations
$qry = $xpath->query('/project/file/interface[extends]|/project/file/class[extends]');
/** @var DOMElement $element */
foreach ($qry as $element) {
$from_name = $element->getElementsByTagName('full_name')->item(0)->nodeValue;
$to_name = $element->getElementsByTagName('extends')->item(0)->nodeValue;
if (!$to_name) {
continue;
}
$from = $graph->findNode(str_replace(array('\\', '$'), '_', $from_name));
$to = $graph->findNode(str_replace(array('\\', '$'), '_', $to_name));
if ($from === null) {
$from = DocBlox_GraphViz_Node::create(str_replace(array('\\', '$'), '_', $from_name));
$from->setFontColor('gray');
$from->setLabel(addslashes($from_name));
$graph->setNode($from);
}
if ($to === null) {
$to = DocBlox_GraphViz_Node::create(str_replace(array('\\', '$'), '_', $to_name));
$to->setFontColor('gray');
$to->setLabel(addslashes($to_name));
$graph->setNode($to);
}
$edge = DocBlox_GraphViz_Edge::create($from, $to);
$edge->setArrowHead('empty');
$graph->link($edge);
}
// link all implemented relations
$qry = $xpath->query('/project/file/interface[imports]|/project/file/class[implements]');
/** @var DOMElement $element */
foreach ($qry as $element) {
$from_name = $element->getElementsByTagName('full_name')->item(0)->nodeValue;
foreach ($element->getElementsByTagName('implements') as $implements) {
$to_name = $implements->nodeValue;
if (!$to_name) {
continue;
}
$from = $graph->findNode(str_replace(array('\\', '$'), '_', $from_name));
$to = $graph->findNode(str_replace(array('\\', '$'), '_', $to_name));
if ($from === null) {
$from = DocBlox_GraphViz_Node::create(str_replace(array('\\', '$'), '_', $from_name));
$from->setFontColor('gray');
$from->setLabel(addslashes($from_name));
$graph->setNode($from);
}
if ($to === null) {
$to = DocBlox_GraphViz_Node::create(str_replace(array('\\', '$'), '_', $to_name));
$to->setFontColor('gray');
$to->setLabel(addslashes($to_name));
$graph->setNode($to);
}
$edge = DocBlox_GraphViz_Edge::create($from, $to);
$edge->setStyle('dotted');
$edge->setArrowHead('empty');
$graph->link($edge);
}
}
$graph->export('svg', $filename);
$svg = simplexml_load_file($filename);
$script = $svg->addChild('script');
$script->addAttribute('xlink:href', 'js/SVGPan.js', 'http://www.w3.org/1999/xlink');
// for the SVGPan file to work no viewBox may be defined and the id of the first <g> node must be renamed to 'viewport'
unset($svg['viewBox']);
$svg->g['id'] = 'viewport';
$svg->asXML($filename);
}
<?php
include 'Graph.php';
include 'Edge.php';
include 'Node.php';
include 'Attribute.php';
$graph = DocBlox_GraphViz_Graph::create();
echo $graph->addGraph($graph2 = DocBlox_GraphViz_Graph::create('cluster_bla')->setNode(DocBlox_GraphViz_Node::create('node3')))->setNode(DocBlox_GraphViz_Node::create('node1')->setStyle('filled')->setColor('lightgrey')->setFontSize('20'))->setNode(DocBlox_GraphViz_Node::create('node2'))->link(DocBlox_GraphViz_Edge::create($graph->node1, $graph->node2))->link(DocBlox_GraphViz_Edge::create($graph->node1, $graph2->node3))->link(DocBlox_GraphViz_Edge::create($graph2->node3, $graph->node2));
$graph->export('png', 'test2.png');
