WorkflowBundle/Admin/WorkflowAdmin.php

<?php

namespace WorkflowBundle\Admin;

use Base\AdminBundle\Admin\BaseAdmin;
use Sonata\AdminBundle\Datagrid\DatagridMapper;
use Sonata\AdminBundle\Datagrid\ListMapper;
use Sonata\AdminBundle\Form\FormMapper;
use Sonata\AdminBundle\Show\ShowMapper;
use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
use Symfony\Component\Yaml\Yaml;
use WorkflowBundle\Utils\WorkFlowEntityClasses;

class WorkflowAdmin extends BaseAdmin
{

    public function getTemplate($name)
    {
        switch ($name) {
            case 'edit':
                return 'WorkflowBundle:Workflow:workflow_edit.html.twig';
                break;

            default:
                return parent::getTemplate($name);
                break;
        }
    }

    /**
     * @param DatagridMapper $datagridMapper
     */
    protected function configureDatagridFilters(DatagridMapper $datagridMapper)
    {
        $datagridMapper
            ->add('name')
            ->add('description')
            ->add('enable')
            ->add('template')
        ;
    }

    /**
     * @param ListMapper $listMapper
     */
    protected function configureListFields(ListMapper $listMapper)
    {
        $listMapper
            ->add('name')
            ->add('description')
            ->add('enable')
            ->add('usedByDefault')
            ->add('_action', null, array(
                'actions' => array(
                    'show' => array(),
                    'edit' => array(),
                    'delete' => array()
                )
            ));
    }

    /**
     * @param FormMapper $formMapper
     */
    protected function configureFormFields(FormMapper $formMapper)
    {
        $template_example = 
"
initial_place: state_two
places:
  - state_one
  - state_two
  - state_three
transitions:
  one_to_two:
    from: state_one
    to: state_two
  two_to_three:
    from: state_two
    to: state_three
  two_to_one:
    from: state_two
    to: state_one
  three_to_one:
    from: state_three
    to: state_one
";        
        // Create => template_example
        $tempate_options = array(
            "attr" => array(
                'style' => 'height:500px;',
            ),
        );
        if (is_null($this->getSubject()->getId())) {
            $tempate_options['data'] = $template_example;
        } else {
            $this->parameters = array(
                'workflow_name' => $this->getSubject()->getName(),
                'workflow_subject' => $this->getSubject()->getSubject());
        }
                
        $formMapper
            ->add('name')
            ->add('description')
            ->add('enable')
            ->add('usedByDefault')
            ->add('type', ChoiceType::class, array(
                'choices' => array(
                    'state_machine' => 'state_machine', 
                    'workflow' => 'workflow',
                )))
            ->add('markingType', ChoiceType::class, array(
                'choices' => array(
                    'single_state' => 'single_state', 
                    'multiple_state' => 'multiple_state',
                )))
            ->add('markingName', ChoiceType::class, array(
                'choices' => array(
                    'currentState' => 'currentState',
                )))
            ->add('support', ChoiceType::class, array(
                'choices' => array_filter(WorkFlowEntityClasses::getChoices(), 'class_exists'),
                'multiple'   => true, 
                'required' => true,
                ))
            ->add('template', null, $tempate_options)

            ->setHelps(array(
               'name' => $this->trans("helps.workflow_label_name"),
               'type' => $this->trans("helps.workflow_label_type"),
               'markingType' => $this->trans("helps.workflow_label_marking_type"),
               'markingName' => $this->trans("helps.workflow_label_marking_name"),
               'template' => $this->trans("helps.workflow_label_template"),
            ));
    }

    /**
     * @param ShowMapper $showMapper
     */
    protected function configureShowFields(ShowMapper $showMapper)
    {
        $showMapper
            ->add('id')
            ->add('name')
            ->add('description')
            ->add('enable')
            ->add('usedByDefault')
            ->add('created')
            ->add('updated')
            ->add('type')
            ->add('markingType')
            ->add('markingName')
            ->add('support')
            ->add('template','string', array(
                'template' => 'WorkflowBundle:Workflow:show_template.html.twig'
            ));
    }

}