/**
* 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();
}
/**
* Renders the state machine.
*
* @param \Finite\StateMachine\StateMachineInterface $stateMachine
* @param string $target
* @throws Exception
*/
public function render(StateMachineInterface $stateMachine)
{
$this->graph = new Digraph('state_machine');
$this->addNodes($stateMachine);
$this->addEdges($stateMachine);
$this->graph->end();
return $this->graph->render();
}
public function testRender()
{
$graph = new Digraph('G');
$this->assertEquals("digraph G {\n};\n", $graph->render(), "Render empty graph");
$this->assertEquals(" digraph G {\n };\n", $graph->render(1), "Render empty graph with indent");
$this->assertEquals(" digraph G {\n };\n", $graph->render(1, " "), "Render empty graph with indent and spaces");
$mock = $this->getMock('Alom\\Graphviz\\Digraph\\InstructionInterface', array('render'));
$mock->expects($this->once())->method('render')->with(2, " ")->will($this->returnValue(" foobarbaz;\n"));
$graph->append($mock);
$this->assertEquals(" digraph G {\n foobarbaz;\n };\n", $graph->render(1, " "), "Render with statements");
}
/**
* {@inheritDoc}
*/
public function render($indent = 0, $spaces = self::DEFAULT_INDENT)
{
if (isset($this->options['graph'])) {
$this->attr('graph', $this->options['graph']);
}
// Only one vhost asked ?
if (isset($this->options['vhost'])) {
$this->buildVhost($this->options['vhost']);
return parent::render($indent, $spaces);
}
$cluster = 0;
foreach ($this->definitions['vhosts'] as $vhost) {
$this->append(new Subgraph("cluster_{$cluster}", $this, $vhost['name'], $this->definitions));
$cluster++;
}
return parent::render($indent, $spaces);
}
/**
* (non-PHPdoc)
* @see \Alom\Graphviz\Graph::render()
*/
public function render($indent = 0, $spaces = ' ')
{
$str = parent::render($indent, $spaces);
// if (null == $filename) {
// $stream = tmpfile();
// $meta = stream_get_meta_data($stream);
// $filename = $meta["uri"];
// } else {
// $stream = fopen($filename, 'w');
// }
$stream = tmpfile();
$meta = stream_get_meta_data($stream);
$filename = $meta["uri"];
fwrite($stream, $str);
// echo '<pre>';
// var_dump($str);
// echo '</pre>';
exec($this->command . " " . $filename, $res, $status);
if ($status !== 0) {
echo '<p class="alert">' . var_dump($res) . '</p>';
}
$res = implode("\n", $res);
return $res;
}
