/**
* Creates an array of dot-graph node from the given state machine.
* One node is created for each state within the state machine.
* Also the 'uml start node' is added in addition to the state nodes.
*
* @param StateMachineInterface $state_machine
*
* @return array An array of strings, that represent the particular dot-graph nodes.
*/
protected function getNodes(StateMachineInterface $state_machine)
{
$state_nodes = [];
foreach ($state_machine->getStates() as $state) {
$state_nodes[] = $this->createStateNode($state_machine, $state);
}
$state_nodes[] = sprintf('0 [label="X" fontsize="%s" margin="0" fontname="%s" width="0.15" color="%s" shape="circle"]', self::STATE_NODE_FONTSIZE, self::STATE_NODE_FONTNAME, self::STATE_NODE_COLOR);
return $state_nodes;
}
