public function __construct(GraphViz $graphviz = null)
{
if ($graphviz === null) {
$graphviz = new GraphViz();
$graphviz->setFormat('png');
}
$this->graphviz = $graphviz;
}
/**
* @return string
*/
private static function getGroupLayoutScript()
{
$script = '';
foreach (self::$groupLayout as $attr => $val) {
$script .= self::EOL . $attr . '=' . parent::escape($val) . ';';
}
return $script;
}
require_once __DIR__ . '/vendor/autoload.php';
use Example\Order\Process\Postpayment;
use Example\Order\Process\Prepayment;
use Metabor\NamedCollection;
use Metabor\Statemachine\Graph\GraphBuilder;
use Fhaculty\Graph\Graph;
use Graphp\GraphViz\GraphViz;
try {
$processes = new NamedCollection();
$processes->add(new Prepayment());
$processes->add(new Postpayment());
if (isset($_GET['process'])) {
$processName = strtolower($_GET['process']);
if ($processes->has($processName)) {
$process = $processes->get($processName);
}
}
if (!isset($process)) {
$processNames = $processes->getNames();
$processName = reset($processNames);
$process = $processes->get($processName);
}
$graph = new Graph();
$builder = new GraphBuilder($graph);
$builder->addStateCollection($process);
$viz = new GraphViz();
$viz->setFormat('svg');
echo file_get_contents($viz->createImageFile($graph));
} catch (Exception $e) {
echo $e->getMessage();
}
public function setFormat($format)
{
$this->graphviz->setFormat($format);
return $this;
}
public function testEscaping()
{
$graph = new Graph();
$graph->createVertex('a');
$graph->createVertex('b¹²³ is; ok\\ay, "right"?');
$graph->createVertex(3);
$graph->createVertex(4)->setAttribute('graphviz.label', 'normal');
$graph->createVertex(5)->setAttribute('graphviz.label', GraphViz::raw('<raw>'));
$expected = <<<VIZ
graph G {
"a"
"b¹²³ is; ok\\\\ay, "right"?"
3
4 [label="normal"]
5 [label=<raw>]
}
VIZ;
$this->assertEquals($expected, $this->graphViz->createScript($graph));
}