/**
* Will return the script required by GraphViz (dot) to render the graph
*
* @param StateMachine $sm
* @return string
*/
public function render(StateMachine $sm)
{
$graph = new Digraph('G');
$graph->set('truecolor', true);
foreach ($sm->getStates() as $state) {
$graph->node($state->getValue(), $this->renderState($state, $this->profile['states']));
}
foreach ($sm->getStates() as $state) {
/** @var Event[] $connectors */
$connectors = array_merge($state->getEvents(), $state->getTimeOuts());
foreach ($connectors as $event) {
$p = $this->profile['events']['default'];
foreach ($this->profile['events']['exclusiveRoles'] as $exclusiveRole => $roleProfile) {
if ($event->isExclusiveTo($exclusiveRole)) {
$p = array_merge($p, $roleProfile);
break;
}
}
if ($event instanceof Timeout) {
$p = array_merge($p, $this->profile['events']['timeout']);
} elseif ($event->isRefresh()) {
$p = array_merge($p, $this->profile['events']['refresh']);
}
$fontcolor = $p['fontcolor'];
$fillcolor = $p['fillcolor'];
$color = $p['color'];
$style = $p['style'];
$graph->edge([$state->getValue(), $event->getTarget()], ['label' => chr(1) . '<<table border="0" cellspacing="0" cellpadding="2"><tr><td>' . $event->getLabel() . '</td></tr></table>>', 'margin' => 10, 'arrowsize' => 0.6, 'fontsize' => 9, 'fontname' => 'Helvetica Neue', 'fontcolor' => $fontcolor, 'fillcolor' => $fillcolor, 'color' => $color, 'style' => $style]);
}
}
return $graph->render();
}
