class BusinessRuleForm in Business Rules 8

Same name and namespace in other branches

2.x src/Form/BusinessRuleForm.php \Drupal\business_rules\Form\BusinessRuleForm

Class BusinessRuleForm.

@package Drupal\business_rules\Form

View source

class BusinessRuleForm extends EntityForm {

  /**
   * The business rules Util.
   *
   * @var \Drupal\business_rules\Util\BusinessRulesUtil
   */
  public $util;

  /**
   * The reactsOnManager.
   *
   * @var \Drupal\business_rules\Plugin\BusinessRulesReactsOnManager
   */
  protected $reactsOnManager;

  /**
   * The form step.
   *
   * @var int
   */
  protected $step = 1;

  /**
   * The Business Rule flowchart.
   *
   * @var \Drupal\business_rules\Util\Flowchart\Flowchart
   */
  private $chart;

  /**
   * We don't want to use the same wait two times for an item.
   *
   * @var array
   */
  private $usedWeight = [];

  /**
   * BusinessRuleForm constructor.
   *
   * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
   *   The services container.
   */
  public function __construct(ContainerInterface $container) {
    $this->util = $container
      ->get('business_rules.util');
    $this->entityTypeManager = $container
      ->get('entity_type.manager');
    $this->reactsOnManager = $container
      ->get('plugin.manager.business_rules.reacts_on');
    $this->chart = $container
      ->get('business_rules.flowchart');
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container);
  }

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $form = parent::form($form, $form_state);

    /** @var \Drupal\business_rules\Entity\BusinessRule $business_rule */
    $business_rule = $this->entity;
    if ($this->step === 1 && $business_rule
      ->isNew()) {
      $form['reacts_on'] = [
        '#type' => 'select',
        '#title' => $this
          ->t('Reacts on event'),
        '#description' => $this
          ->t('Whenever the event occurs, rule evaluation is triggered.'),
        '#options' => BusinessRule::getEventTypes(),
        '#default_value' => $business_rule
          ->getReactsOn(),
        '#required' => TRUE,
      ];
    }
    if ($this->step > 1 || !$business_rule
      ->isNew()) {
      $reactsOn = $business_rule
        ->getReactsOn() ? $business_rule
        ->getReactsOn() : $form_state
        ->getValue('reacts_on');
      $definition = $this->reactsOnManager
        ->getDefinition($reactsOn);
      $reflection = new \ReflectionClass($definition['class']);
      $custom_rule = $reflection
        ->newInstance($definition, $definition['id'], $definition);
      $form['label_reacts_on'] = [
        '#type' => 'item',
        '#title' => $this
          ->t('Reacts on event'),
        '#markup' => $definition['label'],
        '#description' => $definition['description'],
      ];
      $form['label'] = [
        '#type' => 'textfield',
        '#title' => $this
          ->t('Label'),
        '#maxlength' => 255,
        '#default_value' => $business_rule
          ->label(),
        '#description' => $this
          ->t("Label for the Rule."),
        '#required' => TRUE,
      ];
      $form['id'] = [
        '#type' => 'machine_name',
        '#default_value' => $business_rule
          ->id(),
        '#machine_name' => [
          'exists' => '\\Drupal\\business_rules\\Entity\\BusinessRule::load',
        ],
        '#disabled' => !$business_rule
          ->isNew(),
      ];
      $form['description'] = [
        '#type' => 'textarea',
        '#title' => $this
          ->t('Description'),
        '#description' => $this
          ->t('A good description for Business Rule.'),
        '#required' => TRUE,
        '#default_value' => $business_rule
          ->getDescription(),
      ];
      $form['tags'] = [
        '#type' => 'textfield',
        '#title' => $this
          ->t('Tags'),
        '#default_value' => implode(', ', $business_rule
          ->getTags()),
        '#description' => $this
          ->t('List of comma-separated tags.'),
        '#required' => FALSE,
        '#autocomplete_route_name' => 'business_rules.autocomplete_tags',
        '#autocomplete_route_parameters' => [],
      ];
      $form['status'] = [
        '#type' => 'checkbox',
        '#title' => $this
          ->t('Enabled'),
        '#default_value' => $business_rule
          ->isNew() ? 1 : $business_rule
          ->isEnabled(),
      ];
      $form['entity'] = $this
        ->getEntityInformationForm($definition);

      // Only show items if rule is already saved.
      if (!$business_rule
        ->isNew()) {
        $form['items_container'] = [
          '#type' => 'details',
          '#description' => $this
            ->t('The items are evaluated on the presented order. Drag them to change the order.'),
          '#title' => $this
            ->t('Items'),
          '#open' => TRUE,
        ];
        $form['items_container']['items'] = $this
          ->formItems($form, $form_state);
        if (!$business_rule
          ->isNew()) {
          $form['flowchart'] = [
            '#type' => 'details',
            '#title' => $this
              ->t('Flowchart'),
            '#open' => TRUE,
          ];
          $form['flowchart']['graph'] = $this->chart
            ->getGraph($business_rule);
          $form['#attached']['library'][] = 'business_rules/mxClient';
        }
      }

      // Process the form array by the Plugin.
      $custom_rule
        ->processForm($form, $form_state);
    }
    $form['#validate'][] = '::validateForm';
    return $form;
  }

  /**
   * Get the fields for entity type and bundle.
   *
   * @param array $rule_definition
   *   The rule definition.
   *
   * @return array
   *   The render array.
   */
  public function getEntityInformationForm(array $rule_definition) {
    $form = [];

    /** @var \Drupal\business_rules\BusinessRuleInterface $rule */
    $rule = $this->entity;
    $show_entity = FALSE;
    $show_bundle = FALSE;
    if ($rule_definition['hasTargetBundle']) {
      $show_entity = TRUE;
      $show_bundle = TRUE;
    }
    elseif ($rule_definition['hasTargetEntity']) {
      $show_entity = TRUE;
    }
    if ($show_entity) {
      $form['context'] = [
        '#type' => 'fieldset',
        '#title' => $this
          ->t('Context: This information cannot be changed after the business rule is saved.'),
      ];
      $form['context']['target_entity_type'] = [
        '#type' => 'select',
        '#options' => $this->util
          ->getEntityTypes(),
        '#required' => TRUE,
        '#title' => $this
          ->t('Target Entity Type'),
        '#description' => $this
          ->t('The Entity Type which this business rule is applicable.'),
        '#default_value' => $rule
          ->getTargetEntityType(),
        '#disabled' => $this->entity
          ->isNew() ? FALSE : TRUE,
      ];
    }
    if ($show_bundle) {
      $form['context']['target_entity_type']['#ajax'] = [
        'callback' => [
          $this,
          'targetEntityTypeCallback',
        ],
      ];
      $form['context']['target_bundle'] = [
        '#type' => 'select',
        '#title' => $this
          ->t('Target Bundle'),
        '#description' => $this
          ->t('The Bundle which this business rule is applicable.'),
        '#options' => $this->util
          ->getBundles($rule
          ->getTargetEntityType()),
        '#required' => TRUE,
        '#default_value' => $rule
          ->getTargetBundle(),
        '#disabled' => $this->entity
          ->isNew() ? FALSE : TRUE,
        '#prefix' => '<div id="target_bundle-wrapper">',
        '#suffix' => '</div>',
      ];
    }
    return $form;
  }

  /**
   * Provide the form fields for add Business Rule's Items.
   *
   * @param array $form
   *   The form array.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The form state object.
   *
   * @return array
   *   The render array.
   */
  public function formItems(array $form, FormStateInterface $form_state) {
    $user_input = $form_state
      ->getUserInput();

    /** @var \Drupal\business_rules\Entity\BusinessRule $rule */
    $rule = $this->entity;
    $label = $this
      ->t('Item');
    $label_plural = $this
      ->t('Items');
    $items = $rule
      ->getItems();
    uasort($items, function ($a, $b) {
      return $a
        ->getWeight() < $b
        ->getWeight() ? -1 : 1;
    });
    $header = [
      'type' => $this
        ->t('Type'),
      'label' => $label,
      'weight' => $this
        ->t('Weight'),
      'id' => $this
        ->t('Machine name'),
      'subtype' => $this
        ->t('Subtype'),
      'description' => $this
        ->t('Description'),
      'operations' => $this
        ->t('Operations'),
      'business_rule_item_type' => [
        'data' => '',
        'width' => '0px',
      ],
    ];
    $table['items'] = [
      '#type' => 'table',
      '#header' => $header,
      '#attributes' => [
        'id' => 'business_rules-items',
      ],
      '#empty' => $this
        ->t('There are currently no @label in this rule. Add one by selecting an option below.', [
        '@label' => $label_plural,
      ]),
      '#tabledrag' => [
        [
          'action' => 'order',
          'relationship' => 'sibling',
          'group' => 'items-order-weight',
        ],
      ],
    ];
    if (is_array($items)) {
      foreach ($items as $value) {
        if ($value
          ->getType() == 'condition') {
          $item = Condition::load($value
            ->getId());
        }
        elseif ($value
          ->getType() == 'action') {
          $item = Action::load($value
            ->getId());
        }
        $item_weight = !empty($item) ? $value
          ->getWeight() : '';
        $route_remove_item = 'business_rules.items.remove';
        if (!empty($item)) {
          $key = $item
            ->id();
          $listBuilder = $this->entityTypeManager
            ->getListBuilder($item
            ->getEntityTypeId());
          $operations = $listBuilder
            ->buildOperations($item);
          $operations['#links']['remove'] = [
            'title' => $this
              ->t('Remove'),
            'url' => Url::fromRoute($route_remove_item, [
              'business_rule' => $rule
                ->id(),
              'item_type' => $value
                ->getType(),
              'item_id' => $item
                ->id(),
              'method' => 'nojs',
            ], [
              'attributes' => [
                'class' => [
                  'use-ajax',
                ],
              ],
            ]),
            'weight' => 1,
          ];
          uasort($operations['#links'], function ($a, $b) {
            return $a['weight'] < $b['weight'] ? -1 : 1;
          });
          foreach ($operations['#links'] as $i => $link) {
            $uri = $this->util
              ->getCurrentUri()
              ->toString();
            $operations['#links'][$i]['url']
              ->setRouteParameter('destination', $uri);
          }
          $item_weight = $this
            ->generateItemWeight('item', $item_weight);
          $weight = [
            '#type' => 'weight',
            '#title' => $this
              ->t('Weight for item'),
            '#title_display' => 'invisible',
            '#default_value' => $item_weight,
            '#delta' => 100,
            '#attributes' => [
              'class' => [
                'items-order-weight',
              ],
            ],
          ];
          $table['items'][$key] = [
            '#attributes' => [
              'class' => 'draggable',
              'id' => $item
                ->id(),
            ],
            '#weight' => isset($user_input['effects']) ? $user_input['effects'][$key]['weight'] : NULL,
            'type' => [
              '#markup' => $item
                ->getBusinessRuleItemTranslatedType(),
            ],
            'item' => [
              '#tree' => FALSE,
              'label' => [
                '#markup' => $item
                  ->label(),
              ],
            ],
            'weight' => $weight,
            'id' => [
              '#markup' => $item
                ->id(),
            ],
            'subtype' => [
              '#markup' => $item
                ->getTypeLabel(),
            ],
            'description' => [
              '#markup' => $item
                ->getDescription(),
            ],
            'operations' => $operations,
            'business_rule_item_type' => [
              '#type' => 'value',
              '#value' => $value
                ->getType(),
            ],
          ];
        }
      }
    }
    $add_condition = Link::createFromRoute($this
      ->t('Add Condition'), 'business_rules.items.table', [
      'business_rule' => $rule
        ->id(),
      'item_type' => 'condition',
      'method' => 'nojs',
    ], [
      'attributes' => [
        'class' => [
          'use-ajax',
        ],
      ],
    ]);
    $add_action = Link::createFromRoute($this
      ->t('Add Action'), 'business_rules.items.table', [
      'business_rule' => $rule
        ->id(),
      'item_type' => 'action',
      'method' => 'nojs',
    ], [
      'attributes' => [
        'class' => [
          'use-ajax',
        ],
      ],
    ]);
    $table['add'][] = [
      'data' => [
        'add' => [
          '#type' => 'markup',
          '#markup' => $add_condition
            ->toString() . ' | ' . $add_action
            ->toString(),
          '#prefix' => '<div id="business_rule-add_buttons">',
          '#suffix' => '</div>',
        ],
      ],
    ];
    return $table;
  }

  /**
   * Generate the item weight.
   *
   * @param string $settings_type
   *   The settings type.
   * @param int $weight
   *   The item weight.
   *
   * @return int
   *   The generated weight.
   */
  private function generateItemWeight($settings_type, $weight) {
    if (!isset($this->usedWeight[$settings_type])) {
      $this->usedWeight[$settings_type][] = $weight;
      return $weight;
    }
    if (!in_array($weight, $this->usedWeight[$settings_type])) {
      $this->usedWeight[$settings_type][] = $weight;
      return $weight;
    }
    else {
      $weight++;
      return $this
        ->generateItemWeight($settings_type, $weight);
    }
  }

  /**
   * {@inheritdoc}
   */
  protected function actionsElement(array $form, FormStateInterface $form_state) {
    $actions = parent::actionsElement($form, $form_state);
    if (!$this->entity
      ->isNew()) {
      $actions['done'] = [
        '#type' => 'submit',
        '#value' => $this
          ->t('Done'),
        '#submit' => [
          '::submitForm',
          '::save',
        ],
        '#op' => 'done',
        '#weight' => 7,
        '#validate' => [
          '::validateForm',
        ],
      ];
    }
    elseif ($this->step === 1) {
      $actions['submit']['#value'] = $this
        ->t('Continue');
    }
    $actions['submit']['#op'] = 'save';
    return $actions;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    if ($this->step < 2 && $this->entity
      ->isNew()) {
      $this->step++;
      $form_state
        ->setRebuild();
      return $form;
    }
    else {

      /** @var \Drupal\business_rules\Entity\BusinessRule $business_rule */
      $business_rule = $this->entity;
      $items = $form_state
        ->getValue('items');
      $business_rule
        ->set('items', []);
      $br_items = [];
      if (is_array($items)) {
        foreach ($items as $key => $value) {
          $itemObj = new BusinessRulesItemObject($key, $value['business_rule_item_type'], $value['weight']);
          $br_items[$value['weight']] = $itemObj;
        }
      }
      ksort($br_items);
      foreach ($br_items as $item) {
        $business_rule
          ->addItem($item);
      }
      $business_rule
        ->setTags(explode(',', $form_state
        ->getValue('tags')));
      $status = $business_rule
        ->save();

      // As the rule may need to be executed under a cached hook, we need to
      // invalidate all rendered caches.
      Cache::invalidateTags([
        'rendered',
      ]);
      switch ($status) {
        case SAVED_NEW:
          drupal_set_message($this
            ->t('Created the %label Rule.', [
            '%label' => $business_rule
              ->label(),
          ]));
          break;
        default:
          drupal_set_message($this
            ->t('Saved the %label Rule.', [
            '%label' => $business_rule
              ->label(),
          ]));
      }
      if (isset($form_state
        ->getTriggeringElement()['#op'])) {
        $op = $form_state
          ->getTriggeringElement()['#op'];
        if ($op == 'save') {
          $form_state
            ->setRedirectUrl($business_rule
            ->urlInfo('edit-form', [
            'business_rule' => $business_rule
              ->id(),
          ]));
        }
        else {
          $form_state
            ->setRedirectUrl($business_rule
            ->urlInfo('collection'));
        }
      }
    }
    return $status;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {

    // Validate de Business Rule Machine Name.
    $id = $form_state
      ->getValue('id');
    if ($id && $this->entity
      ->isNew()) {
      $br = BusinessRule::load($id);
      if (!empty($br)) {
        $form_state
          ->setErrorByName('id', $this
          ->t('The machine-readable name is already in use. It must be unique.'));
      }
    }
  }

  /**
   * Populates target_bundle options according to the selected entity type.
   *
   * @param array $form
   *   The form array.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The form state object.
   *
   * @return \Drupal\Core\Ajax\AjaxResponse
   *   The AjaxResponse.
   */
  public function targetEntityTypeCallback(array &$form, FormStateInterface $form_state) {
    $target_entity_type = $form_state
      ->getValue('target_entity_type');
    if (!empty($target_entity_type)) {
      $form['entity']['context']['target_bundle']['#options'] = $this->util
        ->getBundles($target_entity_type);
    }
    $response = new AjaxResponse();
    $response
      ->addCommand(new ReplaceCommand('#target_bundle-wrapper', $form['entity']['context']['target_bundle']));
    return $response;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
BusinessRuleForm::$chart	private	property	The Business Rule flowchart.
BusinessRuleForm::$reactsOnManager	protected	property	The reactsOnManager.
BusinessRuleForm::$step	protected	property	The form step.
BusinessRuleForm::$usedWeight	private	property	We don't want to use the same wait two times for an item.
BusinessRuleForm::$util	public	property	The business rules Util.
BusinessRuleForm::actionsElement	protected	function	Returns the action form element for the current entity form. Overrides EntityForm::actionsElement
BusinessRuleForm::create	public static	function	Instantiates a new instance of this class. Overrides FormBase::create
BusinessRuleForm::form	public	function	Gets the actual form array to be built. Overrides EntityForm::form
BusinessRuleForm::formItems	public	function	Provide the form fields for add Business Rule's Items.
BusinessRuleForm::generateItemWeight	private	function	Generate the item weight.
BusinessRuleForm::getEntityInformationForm	public	function	Get the fields for entity type and bundle.
BusinessRuleForm::save	public	function	Form submission handler for the 'save' action. Overrides EntityForm::save
BusinessRuleForm::targetEntityTypeCallback	public	function	Populates target_bundle options according to the selected entity type.
BusinessRuleForm::validateForm	public	function	Form validation handler. Overrides FormBase::validateForm
BusinessRuleForm::__construct	public	function	BusinessRuleForm constructor.
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
EntityForm::$entity	protected	property	The entity being used by this form.	7
EntityForm::$entityTypeManager	protected	property	The entity type manager.	3
EntityForm::$moduleHandler	protected	property	The module handler service.
EntityForm::$operation	protected	property	The name of the current operation.
EntityForm::$privateEntityManager	private	property	The entity manager.
EntityForm::actions	protected	function	Returns an array of supported actions for the current entity form.	29
EntityForm::afterBuild	public	function	Form element #after_build callback: Updates the entity with submitted data.
EntityForm::buildEntity	public	function	Builds an updated entity object based upon the submitted form values. Overrides EntityFormInterface::buildEntity	2
EntityForm::buildForm	public	function	Form constructor. Overrides FormInterface::buildForm	10
EntityForm::copyFormValuesToEntity	protected	function	Copies top-level form values to entity properties	7
EntityForm::getBaseFormId	public	function	Returns a string identifying the base form. Overrides BaseFormIdInterface::getBaseFormId	5
EntityForm::getEntity	public	function	Gets the form entity. Overrides EntityFormInterface::getEntity
EntityForm::getEntityFromRouteMatch	public	function	Determines which entity will be used by this form from a RouteMatch object. Overrides EntityFormInterface::getEntityFromRouteMatch	1
EntityForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId	10
EntityForm::getOperation	public	function	Gets the operation identifying the form. Overrides EntityFormInterface::getOperation
EntityForm::init	protected	function	Initialize the form state and the entity before the first form build.	3
EntityForm::prepareEntity	protected	function	Prepares the entity object before the form is built first.	3
EntityForm::prepareInvokeAll	protected	function	Invokes the specified prepare hook variant.
EntityForm::processForm	public	function	Process callback: assigns weights and hides extra fields.
EntityForm::setEntity	public	function	Sets the form entity. Overrides EntityFormInterface::setEntity
EntityForm::setEntityManager	public	function	Sets the entity manager for this form. Overrides EntityFormInterface::setEntityManager
EntityForm::setEntityTypeManager	public	function	Sets the entity type manager for this form. Overrides EntityFormInterface::setEntityTypeManager
EntityForm::setModuleHandler	public	function	Sets the module handler for this form. Overrides EntityFormInterface::setModuleHandler
EntityForm::setOperation	public	function	Sets the operation for this form. Overrides EntityFormInterface::setOperation
EntityForm::submitForm	public	function	This is the default entity object builder function. It is called before any other submit handler to build the new entity object to be used by the following submit handlers. At this point of the form workflow the entity is validated and the form state… Overrides FormInterface::submitForm	17
EntityForm::__get	public	function
EntityForm::__set	public	function
FormBase::$configFactory	protected	property	The config factory.	1
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	1
FormBase::container	private	function	Returns the service container.
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
LinkGeneratorTrait::$linkGenerator	protected	property	The link generator.	1
LinkGeneratorTrait::getLinkGenerator Deprecated	protected	function	Returns the link generator.
LinkGeneratorTrait::l Deprecated	protected	function	Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated	public	function	Sets the link generator service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator	protected	property	The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated	protected	function	Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated	public	function	Sets the URL generator service.
UrlGeneratorTrait::url Deprecated	protected	function	Generates a URL or path for a specific route based on the given parameters.

You are here

class BusinessRuleForm in Business Rules 8

Hierarchy

File

Namespace

Members

API Navigation