Beispiel #1
0
 /**
  * {@inheritdoc}
  */
 public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL)
 {
     parent::init($view, $display, $options);
     $this->definition['field_name'] = $this->definition['entity field'];
     $field_storage = $this->getFieldStorageDefinition();
     // We may have not a valid workflow field.
     if (FALSE && $field_storage) {
         // Set valueOptions here so getValueOptions() will just return it.
         $this->valueOptions = options_allowed_values($field_storage);
         // $this->valueOptions = workflow_state_allowed_values($field_storage);
     } else {
         // TODO D8. This is a hack. It doesn't work.
         // The default options_allowed_values only reads field_name. Repair that.
         $field_name = $this->definition['entity field'];
         $field_storage = new FieldStorageConfig(['field_name' => $field_name, 'type' => 'testtype', 'entity_type' => $options['entity_type']]);
         $field_storage->set('allowed_values_function', 'workflow_state_allowed_values');
         $wid = '';
         // Set valueOptions here so getValueOptions() will just return it.
         // $this->valueOptions = options_allowed_values($field_storage);
         // $this->valueOptions = workflow_state_allowed_values($field_storage);
         $this->valueOptions = workflow_get_workflow_state_names($wid, $options['group_info']['widget'] == 'select');
     }
 }
 /**
  * Generate an element.
  *
  * This function is an internal function, to be reused in:
  * - TransitionElement
  * - TransitionDefaultWidget
  *
  * Usage:
  *  @example $element['#default_value'] = $transition;
  *  @example $element += WorkflowTransitionElement::transitionElement($element, $form_state, $form);
  */
 public static function transitionElement(&$element, FormStateInterface $form_state, &$complete_form)
 {
     // $element = [];
     /*
      * Input.
      */
     // A Transition object must have been set explicitly.
     /* @var $transition WorkflowTransitionInterface */
     $transition = $element['#default_value'];
     /* @var $user \Drupal\Core\Session\AccountInterface */
     $user = \Drupal::currentUser();
     $force = FALSE;
     /*
      * Derived input.
      */
     $field_name = $transition->getFieldName();
     $workflow = $transition->getWorkflow();
     $wid = $transition->getWorkflowId();
     if ($transition->getTargetEntityTypeId() == 'comment') {
         /* @var $comment_entity CommentInterface */
         $comment_entity = $transition->getTargetEntity();
         $entity = $comment_entity ? $comment_entity->getCommentedEntity() : NULL;
         $entity_type = $comment_entity ? $comment_entity->getCommentedEntityTypeId() : '';
         $entity_id = $comment_entity ? $comment_entity->getCommentedEntityId() : '';
         $transition->from_sid = $entity->{$field_name}->value;
     } else {
         $entity = $transition->getTargetEntity();
         $entity_type = $transition->getTargetEntityTypeId();
         $entity_id = $transition->getTargetEntityId();
     }
     if ($transition->isExecuted()) {
         // We are editing an existing/executed/not-scheduled transition.
         // Only the comments may be changed!
         $current_sid = $from_sid = $transition->getFromSid();
         // The states may not be changed anymore.
         $to_state = $transition->getToState();
         $options = array($to_state->id() => $to_state->label());
         // We need the widget to edit the comment.
         $show_widget = TRUE;
         $default_value = $transition->getToSid();
     } elseif ($entity) {
         // Normal situation: adding a new transition on an new/existing entity.
         // Get the scheduling info, only when updating an existing entity.
         // This may change the $default_value on the Form.
         // Technically you could have more than one scheduled transition, but
         // this will only add the soonest one.
         // @todo?: Read the history with an explicit langcode.
         $langcode = '';
         // $entity->language()->getId();
         if ($entity_id && ($scheduled_transition = WorkflowScheduledTransition::loadByProperties($entity_type, $entity_id, [], $field_name, $langcode))) {
             $transition = $scheduled_transition;
         }
         $current_sid = $from_sid = $transition->getFromSid();
         $current_state = $from_state = $transition->getFromState();
         $options = $current_state ? $current_state->getOptions($entity, $field_name, $user, $force) : [];
         $show_widget = $from_state ? $from_state->showWidget($entity, $field_name, $user, $force) : [];
         $default_value = $from_sid;
         $default_value = $from_state && $from_state->isCreationState() ? $workflow->getFirstSid($entity, $field_name, $user, $force) : $default_value;
         $default_value = $transition->isScheduled() ? $transition->getToSid() : $default_value;
     } elseif (!$entity) {
         // Sometimes, no entity is given. We encountered the following cases:
         // - D7: the Field settings page,
         // - D7: the VBO action form;
         // - D7/D8: the Advance Action form on admin/config/system/actions;
         // If so, show all options for the given workflow(s).
         if (!($temp_state = $transition->getFromState())) {
             $temp_state = $transition->getToState();
         }
         $options = $temp_state ? $temp_state->getOptions($entity, $field_name, $user, $force) : workflow_get_workflow_state_names($wid, $grouped = TRUE, $all = FALSE);
         $show_widget = TRUE;
         $current_sid = $transition->getToSid();
         // TODO
         $default_value = $from_sid = $transition->getToSid();
         // TODO
     } else {
         // We are in trouble! A message is already set in workflow_node_current_state().
         $options = array();
         $show_widget = FALSE;
     }
     // Fetch the form ID. This is unique for each entity, to allow multiple form per page (Views, etc.).
     // Make it uniquer by adding the field name, or else the scheduling of
     // multiple workflow_fields is not independent of eachother.
     // IF we are truely on a Transition form (so, not a Node Form with widget)
     // then change the form id, too.
     $form_id = 'workflow_transition_form';
     // TODO D8-port: add $form_id for widget and History tab.
     //    $form_id = $this->getFormId();
     /*
     if (!isset($form_state->getValue('build_info')['base_form_id'])) {
       // Strange: on node form, the base_form_id is node_form,
       // but on term form, it is not set.
       // In both cases, it is OK.
     }
     else {
       workflow_debug( __FILE__ , __FUNCTION__, __LINE__);  // @todo D8-port: still test this snippet.
       if ($form_state['build_info']['base_form_id'] == 'workflow_transition_form') {
         $form_state['build_info']['form_id'] = $form_id;
       }
     }
     */
     /*
      * Output: generate the element.
      */
     // Get settings from workflow. @todo : implement default_settings.
     if ($workflow) {
         $workflow_settings = $workflow->options;
     } else {
         // @TODO D8-port: now only tested with Action.
         $workflow_settings = ['name_as_title' => 0, 'options' => "radios", 'schedule_timezone' => 1, 'comment_log_node' => "1", 'comment_log_tab' => "1", 'watchdog_log' => TRUE];
     }
     // Current sid and default value may differ in a scheduled transition.
     // Set 'grouped' option. Only valid for select list and undefined/multiple workflows.
     $settings_options_type = $workflow_settings['options'];
     $grouped = $settings_options_type == 'select';
     $workflow_settings['comment'] = $workflow_settings['comment_log_node'];
     // vs. ['comment_log_tab'];
     // TODO D8-port: remove following code.
     //    workflow_debug( __FILE__ , __FUNCTION__, __LINE__);  // @todo D8-port: still test this snippet.
     /*
         // Change settings locally.
         if (!$field_name) {
           // This is a Workflow Node workflow. Set widget options as in v7.x-1.2
           if ($form_state['build_info']['base_form_id'] == 'node_form') {
             $workflow_settings['comment'] = isset($workflow_settings['comment_log_node']) ? $workflow_settings['comment_log_node'] : 1; // vs. ['comment_log_tab'];
             $workflow_settings['current_status'] = TRUE;
           }
           else {
             $workflow_settings['comment'] = isset($workflow_settings['comment_log_tab']) ? $workflow_settings['comment_log_tab'] : 1; // vs. ['comment_log_node'];
             $workflow_settings['current_status'] = TRUE;
           }
         }
     */
     // Capture settings to format the form/widget.
     $settings_title_as_name = !empty($workflow_settings['name_as_title']);
     $settings_fieldset = isset($workflow_settings['fieldset']) ? $workflow_settings['fieldset'] : 0;
     $settings_options_type = $workflow_settings['options'];
     // Display scheduling form if user has permission.
     // Not shown on new entity (not supported by workflow module, because that
     // leaves the entity in the (creation) state until scheduling time.)
     // Not shown when editing existing transition.
     $type_id = $workflow ? $workflow->id() : '';
     // Might be empty on Action configuration.
     $settings_schedule = !$transition->isExecuted() && $user->hasPermission("schedule {$type_id} workflow_transition");
     if ($settings_schedule) {
         // TODO D8-port: check below code: form on VBO.
         // workflow_debug( __FILE__ , __FUNCTION__, __LINE__);  // @todo D8-port: still test this snippet.
         $step = $form_state->getValue('step');
         if (isset($step) && $form_state->getValue('step') == 'views_bulk_operations_config_form') {
             // On VBO 'modify entity values' form, leave field settings.
             $settings_schedule = TRUE;
         } else {
             // ... and cannot be shown on a Content add page (no $entity_id),
             // ...but can be shown on a VBO 'set workflow state to..'page (no entity).
             $settings_schedule = !($entity && !$entity_id);
         }
     }
     $settings_schedule_timezone = !empty($workflow_settings['schedule_timezone']);
     // Show comment, when both Field and Instance allow this.
     $settings_comment = $workflow_settings['comment'];
     $transition_is_scheduled = $transition->isScheduled();
     // Save the current value of the entity in the form, for later Workflow-module specific references.
     // We add prefix, since #tree == FALSE.
     $element['workflow_transition'] = array('#type' => 'value', '#value' => $transition);
     // Decide if we show a widget or a formatter.
     // There is no need for a widget when the only option is the current sid.
     // Add a state formatter before the rest of the form,
     // when transition is scheduled or widget is hidden.
     if (!$show_widget || $transition_is_scheduled || $transition->isExecuted()) {
         $element['workflow_current_state'] = workflow_state_formatter($entity, $field_name, $current_sid);
         // Set a proper weight, which works for Workflow Options in select list AND action buttons.
         $element['workflow_current_state']['#weight'] = -0.005;
     }
     $element['#tree'] = TRUE;
     // Add class following node-form pattern (both on form and container).
     $workflow_type_id = $workflow ? $workflow->id() : '';
     $element['#attributes']['class'][] = 'workflow-transition-' . $workflow_type_id . '-container';
     $element['#attributes']['class'][] = 'workflow-transition-container';
     if (!$show_widget) {
         // Show no widget.
         $element['to_sid']['#type'] = 'value';
         $element['to_sid']['#value'] = $default_value;
         $element['to_sid']['#options'] = $options;
         // In case action buttons need them.
         $element['comment']['#type'] = 'value';
         $element['comment']['#value'] = '';
         return $element;
         // <-- exit.
     } else {
         // TODO: repair the usage of $settings_title_as_name: no container if no details (schedule/comment).
         // Prepare a UI wrapper. This might be a fieldset.
         if ($settings_fieldset == 0) {
             // Use 'container'.
             $element += array('#type' => 'container');
         } else {
             $element += array('#type' => 'details', '#title' => t('@label', array('@label' => $workflow->label())), '#collapsible' => TRUE, '#open' => $settings_fieldset == 2 ? FALSE : TRUE);
         }
         // This overrides BaseFieldDefinition. @todo: apply for form and widget.
         // The 'options' widget. May be removed later if 'Action buttons' are chosen.
         // The help text is not available for container. Let's add it to the
         // State box. N.B. it is emptyu on Workflow Tab, Node View page.
         $help_text = isset($element['#description']) ? $element['#description'] : '';
         // This overrides BaseFieldDefinition. @todo: apply for form and widget.
         $element['to_sid'] = array('#type' => $wid ? $settings_options_type : 'select', '#title' => $settings_title_as_name && !$transition->isExecuted() ? t('Change !name state', array('!name' => $workflow->label())) : t('Target state'), '#access' => TRUE, '#options' => $options, '#default_value' => $default_value, '#description' => $help_text);
     }
     // Display scheduling form under certain conditions.
     if ($settings_schedule == TRUE) {
         $timezone = $user->getTimeZone();
         $timezone_options = array_combine(timezone_identifiers_list(), timezone_identifiers_list());
         $timestamp = $transition ? $transition->getTimestamp() : REQUEST_TIME;
         $hours = !$transition_is_scheduled ? '00:00' : format_date($timestamp, 'custom', 'H:i', $timezone);
         // Add a container, so checkbox and time stay together in extra fields.
         $element['workflow_scheduling'] = array('#type' => 'container', '#tree' => TRUE);
         $element['workflow_scheduling']['scheduled'] = array('#type' => 'radios', '#title' => t('Schedule'), '#options' => array('0' => t('Immediately'), '1' => t('Schedule for state change')), '#default_value' => $transition_is_scheduled ? '1' : '0', '#attributes' => array('class' => array(Html::getClass('scheduled_' . $form_id))));
         $element['workflow_scheduling']['date_time'] = array('#type' => 'details', '#open' => TRUE, '#attributes' => array('class' => array('container-inline')), '#prefix' => '<div style="margin-left: 1em;">', '#suffix' => '</div>', '#states' => array('visible' => array('input.' . Html::getClass('scheduled_' . $form_id) => array('value' => '1'))));
         $element['workflow_scheduling']['date_time']['workflow_scheduled_date'] = array('#type' => 'date', '#prefix' => t('At'), '#default_value' => implode('-', array('year' => date('Y', $timestamp), 'month' => date('m', $timestamp), 'day' => date('d', $timestamp))));
         $element['workflow_scheduling']['date_time']['workflow_scheduled_hour'] = array('#type' => 'textfield', '#title' => t('Time'), '#maxlength' => 7, '#size' => 6, '#default_value' => $hours, '#element_validate' => array('_workflow_transition_form_element_validate_time'));
         $element['workflow_scheduling']['date_time']['workflow_scheduled_timezone'] = array('#type' => $settings_schedule_timezone ? 'select' : 'hidden', '#title' => t('Time zone'), '#options' => $timezone_options, '#default_value' => array($timezone => $timezone));
         $element['workflow_scheduling']['date_time']['workflow_scheduled_help'] = array('#type' => 'item', '#prefix' => '<br />', '#description' => t('Please enter a time.
       If no time is included, the default will be midnight on the specified date.
       The current time is: @time.', array('@time' => format_date(REQUEST_TIME, 'custom', 'H:i', $timezone))));
     }
     // This overrides BaseFieldDefinition. @todo: apply for form and widget.
     $element['comment'] = array('#type' => 'textarea', '#required' => $settings_comment == '2', '#access' => $settings_comment != '0', '#title' => t('Workflow comment'), '#description' => t('A comment to put in the workflow log.'), '#default_value' => $transition ? $transition->getComment() : '', '#rows' => 2);
     // TODO D8: make transition fieldable.
     // Add the fields from the WorkflowTransition.
     // field_attach_form('WorkflowTransition', $transition, $element, $form_state);
     // TODO D8-port: test ActionButtons.
     // D7: Finally, add Submit buttons/Action buttons.
     // D8: In WorkflowTransitionForm, a default 'Submit' button is added over there.
     // D8: in Entity Formm, a button per permitted state is added in workflow_form_alter().
     if ($settings_options_type == 'buttons') {
         // D7: How do action buttons work? See also d.o. issue #2187151.
         // D7: Create 'action buttons' per state option. Set $sid property on each button.
         // 1. Admin sets ['widget']['options']['#type'] = 'buttons'.
         // 2. This function formElelent() creates 'action buttons' per state option;
         //    sets $sid property on each button.
         // 3. User clicks button.
         // 4. Callback _workflow_transition_form_validate_buttons() sets proper State.
         // 5. Callback _workflow_transition_form_validate_buttons() sets Submit function.
         // @todo: this does not work yet for the Add Comment form.
         // Performance: inform workflow_form_alter() to do its job.
         _workflow_use_action_buttons(TRUE);
         // Make sure the '#type' is not set to the invalid 'buttons' value.
         // It will be replaced by action buttons, but sometimes, the select box
         // is still shown.
         // @see workflowfield_form_alter().
         $element['to_sid']['#type'] = 'select';
         $element['to_sid']['#access'] = FALSE;
     }
     return $element;
 }
Beispiel #3
0
 /**
  * Helper function for list.module formatter.
  *
  * Callback function for the list module formatter.
  *
  * @see list_allowed_values
  *   "The strings are not safe for output. Keys and values of the array should
  *   "be sanitized through field_filter_xss() before being displayed.
  *
  * @return array
  *   The array of allowed values. Keys of the array are the raw stored values
  *   (number or text), values of the array are the display labels.
  *   It contains all possible values, beause the result is cached,
  *   and used for all nodes on a page.
  */
 public function getAllowedValues()
 {
     // Get all state names, including inactive states.
     $options = workflow_get_workflow_state_names(0, $grouped = FALSE, $all = TRUE);
     return $options;
 }
 /**
  * Implements hook_field_widget_form --> WidgetInterface::formElement().
  *
  * {@inheritdoc}
  *
  * Be careful: Widget may be shown in very different places. Test carefully!!
  *  - On a entity add/edit page
  *  - On a entity preview page
  *  - On a entity view page
  *  - On a entity 'workflow history' tab
  *  - On a comment display, in the comment history
  *  - On a comment form, below the comment history
  *
  * @todo D8: change "array $items" to "FieldInterface $items"
  */
 public function formElement(array $items, $delta, array $element, array &$form, array &$form_state)
 {
     global $user;
     // @todo #2287057: verify if formElement() really is only used for UI. If not, $user must be passed.
     $field = $this->field;
     $instance = $this->instance;
     $entity = $this->entity;
     $entity_type = $this->entity_type;
     $entity_id = $entity ? entity_id($entity_type, $entity) : 0;
     $field_name = $field['field_name'];
     $current_sid = FALSE;
     // $field['settings']['wid'] can be numeric or named.
     // $wid may not be specified.
     $wid = $field['settings']['wid'];
     $workflow = workflow_load_single($wid);
     $workflow_label = $workflow ? check_plain(t($workflow->label())) : '';
     // Capture settings to format the form/widget.
     $settings_title_as_name = !empty($field['settings']['widget']['name_as_title']);
     $settings_options_type = $field['settings']['widget']['options'];
     // The schedule can be hidden via field settings, ...
     $settings_schedule = !empty($field['settings']['widget']['schedule']);
     if ($settings_schedule) {
         if (isset($form_state['step']) && $form_state['step'] == 'views_bulk_operations_config_form') {
             // On VBO 'modify entity values' form, leave field settings.
             $settings_schedule = TRUE;
         } else {
             // ... and cannot be shown on a Content add page (no $entity_id),
             // ...but can be shown on a VBO 'set workflow state to..'page (no entity).
             $settings_schedule = !($entity && !$entity_id);
         }
     }
     $settings_schedule_timezone = !empty($field['settings']['widget']['schedule_timezone']);
     // Show comment, when both Field and Instance allow this.
     $settings_comment = $field['settings']['widget']['comment'];
     $options = array();
     if (!$entity) {
         // Sometimes, no entity is given. We encountered the following cases:
         // - the Field settings page,
         // - the VBO action form;
         // - the Advance Action form on admin/config/system/actions;
         // If so, show all options for the given workflow(s).
         // Set 'grouped' option. This is only valid for select list.
         $grouped = $settings_options_type == 'select';
         $options = workflow_get_workflow_state_names($wid, $grouped, $all = FALSE);
         $show_widget = TRUE;
         $default_value = isset($items[0]['value']) ? $items[0]['value'] : '0';
     } else {
         $force = FALSE;
         $current_sid = workflow_node_current_state($entity, $entity_type, $field_name);
         if ($current_state = workflow_state_load_single($current_sid)) {
             // $grouped = TRUE; // Grouped options only makes sense for multiple workflows.
             $options = $current_state->getOptions($entity_type, $entity, $field_name, $user, $force);
             $show_widget = $current_state->showWidget($entity_type, $entity, $field_name, $user, $force);
             // Determine the default value. If we are in CreationState, use a fast alternative for $workflow->getFirstSid().
             $default_value = $current_state->isCreationState() ? key($options) : $current_sid;
         } else {
             // We are in trouble! A message is already set in workflow_node_current_state().
             $show_widget = FALSE;
             $default_value = $current_sid;
         }
     }
     // Get the scheduling info. This may change the $current_sid on the Form.
     $scheduled = '0';
     $timestamp = REQUEST_TIME;
     $comment = NULL;
     if ($settings_schedule) {
         // Read scheduled information.
         // Technically you could have more than one scheduled, but this will only add the soonest one.
         foreach (WorkflowScheduledTransition::load($entity_type, $entity_id, $field_name) as $scheduled_transition) {
             $scheduled = '1';
             $default_value = $scheduled_transition->new_sid;
             $timestamp = $scheduled_transition->scheduled;
             $comment = $scheduled_transition->comment;
             break;
         }
     }
     // Fetch the form ID. This is unique for each entity, to allow multiple form per page (Views, etc.).
     // Make it uniquer by adding the field name, or else the scheduling of
     // multiple workflow_fields is not indendent.
     $form_id = $form_state['build_info']['form_id'] . '_' . $field_name;
     // Prepare a UI wrapper. This might be a fieldset.
     $element['workflow']['#type'] = 'container';
     // 'fieldset';
     $element['workflow']['#attributes'] = array('class' => array('workflow-form-container'));
     // Save the current value of the node in the form, for later Workflow-module specific references.
     // We add prefix, since #tree == FALSE.
     $element['workflow']['workflow_entity'] = array('#type' => 'value', '#value' => $this->entity);
     $element['workflow']['workflow_entity_type'] = array('#type' => 'value', '#value' => $this->entity_type);
     $element['workflow']['workflow_field'] = array('#type' => 'value', '#value' => $field);
     $element['workflow']['workflow_instance'] = array('#type' => 'value', '#value' => $instance);
     // Save the form_id, so the form values can be retrieved in submit function.
     $element['workflow']['form_id'] = array('#type' => 'value', '#value' => $form_id);
     // First of all, we add the default value in the place were normal fields
     // have it. This is to cater for 'preview' of the entity.
     $element['#default_value'] = $default_value;
     // Decide if we show a widget or a formatter.
     // There is no need to a widget when the only choice is the current sid.
     if (!$show_widget) {
         $element['workflow']['workflow_sid'] = workflow_state_formatter($entity_type, $entity, $field, $instance, $default_value);
         return $element;
         // <---- exit.
     }
     // The 'options' widget. May be removed later if 'Action buttons' are chosen.
     $element['workflow']['workflow_sid'] = array('#type' => $settings_options_type, '#title' => $settings_title_as_name ? t('Change !name state', array('!name' => $workflow_label)) : t('Target state'), '#options' => $options, '#default_value' => $default_value);
     // Display scheduling form, but only if entity is being edited and user has
     // permission. State change cannot be scheduled at entity creation because
     // that leaves the entity in the (creation) state.
     if ($settings_schedule == TRUE && user_access('schedule workflow transitions')) {
         if (variable_get('configurable_timezones', 1) && $user->uid && drupal_strlen($user->timezone)) {
             $timezone = $user->timezone;
         } else {
             $timezone = variable_get('date_default_timezone', 0);
         }
         $timezones = drupal_map_assoc(timezone_identifiers_list());
         $hours = format_date($timestamp, 'custom', 'H:i', $timezone);
         $element['workflow']['workflow_scheduled'] = array('#type' => 'radios', '#title' => t('Schedule'), '#options' => array('0' => t('Immediately'), '1' => t('Schedule for state change')), '#default_value' => $scheduled, '#attributes' => array('id' => 'scheduled_' . $form_id));
         $element['workflow']['workflow_scheduled_date_time'] = array('#type' => 'fieldset', '#title' => t('At'), '#attributes' => array('class' => array('container-inline')), '#prefix' => '<div style="margin-left: 1em;">', '#suffix' => '</div>', '#states' => array('visible' => array(':input[id="' . 'scheduled_' . $form_id . '"]' => array('value' => '1'))));
         $element['workflow']['workflow_scheduled_date_time']['workflow_scheduled_date'] = array('#type' => 'date', '#default_value' => array('day' => date('j', $timestamp), 'month' => date('n', $timestamp), 'year' => date('Y', $timestamp)));
         $element['workflow']['workflow_scheduled_date_time']['workflow_scheduled_hour'] = array('#type' => 'textfield', '#title' => t('Time'), '#maxlength' => 7, '#size' => 6, '#default_value' => $scheduled ? $hours : '00:00', '#element_validate' => array('_workflow_transition_form_element_validate_time'));
         $element['workflow']['workflow_scheduled_date_time']['workflow_scheduled_timezone'] = array('#type' => $settings_schedule_timezone ? 'select' : 'hidden', '#title' => t('Time zone'), '#options' => $timezones, '#default_value' => array($timezone => $timezone));
         $element['workflow']['workflow_scheduled_date_time']['workflow_scheduled_help'] = array('#type' => 'item', '#prefix' => '<br />', '#description' => t('Please enter a time.
       If no time is included, the default will be midnight on the specified date.
       The current time is: @time.', array('@time' => format_date(REQUEST_TIME, 'custom', 'H:i', $timezone))));
     }
     $element['workflow']['workflow_comment'] = array('#type' => $settings_comment == '0' ? 'hidden' : 'textarea', '#required' => $settings_comment == '2', '#title' => t('Workflow comment'), '#description' => t('A comment to put in the workflow log.'), '#default_value' => $comment, '#rows' => 2);
     // Finally, add Submit buttons/Action buttons.
     // Either a default 'Submit' button is added, or a button per permitted state.
     if ($settings_options_type == 'buttons') {
         // How do action buttons work? See also d.o. issue #2187151.
         // Create 'action buttons' per state option. Set $sid property on each button.
         // 1. Admin sets ['widget']['options']['#type'] = 'buttons'.
         // 2. This function formElelent() creates 'action buttons' per state option;
         //    sets $sid property on each button.
         // 3. User clicks button.
         // 4. Callback _workflow_transition_form_validate_buttons() sets proper State.
         // 5. Callback _workflow_transition_form_validate_buttons() sets Submit function.
         // @todo: this does not work yet for the Add Comment form.
         // Performance: inform workflow_form_alter() to do its job.
         _workflow_use_action_buttons(TRUE);
     }
     $submit_functions = empty($instance['widget']['settings']['submit_function']) ? array() : array($instance['widget']['settings']['submit_function']);
     if ($settings_options_type == 'buttons' || $submit_functions) {
         $element['workflow']['actions']['#type'] = 'actions';
         $element['workflow']['actions']['submit'] = array('#type' => 'submit', '#value' => t('Update workflow'), '#weight' => -5, '#attributes' => array('class' => array('form-save-default-button')));
         // The 'add submit' can explicitely set by workflowfield_field_formatter_view(),
         // to add the submit button on the Content view page and the Workflow history tab.
         // Add a submit button, but only on Entity View and History page.
         // Add the submit function only if one provided. Set the submit_callback accordingly.
         if ($submit_functions) {
             $element['workflow']['actions']['submit']['#submit'] = $submit_functions;
         } else {
             // '#submit' Must be empty, or else the submit function is not called.
             // $element['workflow']['actions']['submit']['#submit'] = array();
         }
     } else {
         // In some cases, no submit callback function is specified. This is
         // explicitly done on e.g., the node edit form, because the workflow form
         // is 'just a field'.
         // So, no Submit button is to be shown.
     }
     return $element;
 }
 /**
  * {@inheritdoc}
  */
 public function buildForm(array $form, FormStateInterface $form_state)
 {
     // Get the Workflow from the page.
     /* @var $workflow \Drupal\workflow\Entity\Workflow */
     if (!($workflow = workflow_ui_url_get_workflow())) {
         return $form;
     }
     $wid = $workflow->getWorkflowId();
     $form = parent::buildForm($form, $form_state);
     // Build select options for reassigning states.
     // We put a blank state first for validation.
     $state_options = workflow_get_workflow_state_names($wid, $grouped = FALSE, $all = FALSE);
     // Is this the last state available?
     $form['#last_mohican'] = count($state_options) == 1;
     // Create a placeholder WorkflowState (It must NOT be saved to DB). Add it to the item list.
     $sid = '';
     $placeholder = $workflow->createState($sid, FALSE);
     $placeholder->set('label', '');
     $this->entities['placeholder'] = $placeholder;
     $form['entities']['placeholder'] = $this->buildRow($placeholder);
     // Rename 'submit' button.
     $form['actions']['submit']['#value'] = t('Save');
     return $form;
 }
 /**
  * {@inheritdoc}
  *
  * @param array $form
  * @param array $form_state
  * @param WorkflowTransition
  *  The Transition to be edited, created.
  *
  * @return
  *  The enhanced form structure.
  */
 public function buildForm(array $form, array &$form_state)
 {
     global $user;
     /* @var $transition WorkflowTransition */
     $transition = NULL;
     if (isset($form_state['WorkflowTransition'])) {
         // If provided, get data from WorkflowTransition.
         // This happens when calling entity_ui_get_form(), like in the
         // WorkflowTransition Comment Edit form.
         $transition = $form_state['WorkflowTransition'];
         $field_name = $transition->field_name;
         $workflow = $transition->getWorkflow();
         $wid = $transition->wid;
         $entity = $this->entity = $transition->getEntity();
         $entity_type = $this->entity_type = $transition->entity_type;
         // Figure out the $entity's bundle and id.
         list(, , $entity_bundle) = entity_extract_ids($entity_type, $entity);
         $entity_id = entity_id($entity_type, $entity);
         // Show the current state and the Workflow form to allow state changing.
         // N.B. This part is replicated in hook_node_view, workflow_tab_page, workflow_vbo, transition_edit.
         // @todo: support multiple workflows per entity.
         // For workflow_tab_page with multiple workflows, use a separate view. See [#2217291].
         $field = _workflow_info_field($field_name, $workflow);
         $instance = $this->instance + field_info_instance($entity_type, $field_name, $entity_bundle);
     } else {
         // Get data from normal parameters.
         $entity = $this->entity;
         $entity_type = $this->entity_type;
         $entity_id = $entity ? entity_id($entity_type, $entity) : 0;
         $field = $this->field;
         $field_name = $field['field_name'];
         $instance = $this->instance;
         // $field['settings']['wid'] can be numeric or named.
         // $wid may not be specified.
         $wid = $field['settings']['wid'];
         $workflow = workflow_load_single($wid);
     }
     $force = FALSE;
     // Get values.
     // Current sid and default value may differ in a scheduled transition.
     // Set 'grouped' option. Only valid for select list and undefined/multiple workflows.
     $settings_options_type = $field['settings']['widget']['options'];
     $grouped = $settings_options_type == 'select';
     if ($transition) {
         // If a Transition is passed as parameter, use this.
         if ($transition->isExecuted()) {
             // We are editing an existing/executed/not-scheduled transition.
             // Only the comments may be changed!
             // Fetch the old state for the formatter on top of form.
             $current_state = $transition->getOldState();
             $current_sid = $current_state->sid;
             // The states may not be changed anymore.
             $new_state = $transition->getNewState();
             $options = array($new_state->sid => $new_state->label());
             // We need the widget to edit the comment.
             $show_widget = TRUE;
         } else {
             $current_state = $transition->getOldState();
             $current_sid = $current_state->sid;
             $options = $current_state->getOptions($entity_type, $entity, $field_name, $user, $force);
             $show_widget = $current_state->showWidget($entity_type, $entity, $field_name, $user, $force);
         }
         $default_value = $transition->new_sid;
     } elseif (!$entity) {
         // Sometimes, no entity is given. We encountered the following cases:
         // - the Field settings page,
         // - the VBO action form;
         // - the Advance Action form on admin/config/system/actions;
         // If so, show all options for the given workflow(s).
         $options = workflow_get_workflow_state_names($wid, $grouped, $all = FALSE);
         $show_widget = TRUE;
         $default_value = $current_sid = isset($items[0]['value']) ? $items[0]['value'] : '0';
     } else {
         $current_sid = workflow_node_current_state($entity, $entity_type, $field_name);
         if ($current_state = workflow_state_load_single($current_sid)) {
             /* @var $current_state WorkflowTransition */
             $options = $current_state->getOptions($entity_type, $entity, $field_name, $user, $force);
             $show_widget = $current_state->showWidget($entity_type, $entity, $field_name, $user, $force);
             $default_value = !$current_state->isCreationState() ? $current_sid : $workflow->getFirstSid($entity_type, $entity, $field_name, $user, FALSE);
         } else {
             // We are in trouble! A message is already set in workflow_node_current_state().
             $options = array();
             $show_widget = FALSE;
             $default_value = $current_sid;
         }
         // Get the scheduling info. This may change the $default_value on the Form.
         // Read scheduled information, only if an entity exists.
         // Technically you could have more than one scheduled, but this will only add the soonest one.
         foreach (WorkflowScheduledTransition::load($entity_type, $entity_id, $field_name, 1) as $transition) {
             $default_value = $transition->new_sid;
             break;
         }
     }
     // Prepare a new transition, if still not provided.
     if (!$transition) {
         $transition = new WorkflowTransition(array('old_sid' => $default_value, 'stamp' => REQUEST_TIME));
     }
     // Fetch the form ID. This is unique for each entity, to allow multiple form per page (Views, etc.).
     // Make it uniquer by adding the field name, or else the scheduling of
     // multiple workflow_fields is not independent of each other.
     // IF we are truly on a Transition form (so, not a Node Form with widget)
     // then change the form id, too.
     $form_id = $this->getFormId();
     if (!isset($form_state['build_info']['base_form_id'])) {
         // Strange: on node form, the base_form_id is node_form,
         // but on term form, it is not set.
         // In both cases, it is OK.
     } else {
         if ($form_state['build_info']['base_form_id'] == 'workflow_transition_wrapper_form') {
             $form_state['build_info']['base_form_id'] = 'workflow_transition_form';
         }
         if ($form_state['build_info']['base_form_id'] == 'workflow_transition_form') {
             $form_state['build_info']['form_id'] = $form_id;
         }
     }
     $workflow_label = $workflow ? check_plain(t($workflow->label())) : '';
     // Change settings locally.
     if (!$field_name) {
         // This is a Workflow Node workflow. Set widget options as in v7.x-1.2
         if ($form_state['build_info']['base_form_id'] == 'node_form') {
             $field['settings']['widget']['comment'] = isset($workflow->options['comment_log_node']) ? $workflow->options['comment_log_node'] : 1;
             // vs. ['comment_log_tab'];
             $field['settings']['widget']['current_status'] = TRUE;
         } else {
             $field['settings']['widget']['comment'] = isset($workflow->options['comment_log_tab']) ? $workflow->options['comment_log_tab'] : 1;
             // vs. ['comment_log_node'];
             $field['settings']['widget']['current_status'] = TRUE;
         }
     }
     // Capture settings to format the form/widget.
     $settings_title_as_name = !empty($field['settings']['widget']['name_as_title']);
     $settings_fieldset = isset($field['settings']['widget']['fieldset']) ? $field['settings']['widget']['fieldset'] : 0;
     $settings_options_type = $field['settings']['widget']['options'];
     // The scheduling info can be hidden via field settings, ...
     // You may not schedule an existing Transition.
     // You must have the correct permission.
     $settings_schedule = !empty($field['settings']['widget']['schedule']) && !$transition->isExecuted() && user_access('schedule workflow transitions');
     if ($settings_schedule) {
         if (isset($form_state['step']) && $form_state['step'] == 'views_bulk_operations_config_form') {
             // On VBO 'modify entity values' form, leave field settings.
             $settings_schedule = TRUE;
         } else {
             // ... and cannot be shown on a Content add page (no $entity_id),
             // ...but can be shown on a VBO 'set workflow state to..'page (no entity).
             $settings_schedule = !($entity && !$entity_id);
         }
     }
     $settings_schedule_timezone = !empty($field['settings']['widget']['schedule_timezone']);
     // Show comment, when both Field and Instance allow this.
     $settings_comment = $field['settings']['widget']['comment'];
     // Save the current value of the node in the form, for later Workflow-module specific references.
     // We add prefix, since #tree == FALSE.
     $element['workflow']['workflow_entity'] = array('#type' => 'value', '#value' => $this->entity);
     $element['workflow']['workflow_entity_type'] = array('#type' => 'value', '#value' => $this->entity_type);
     $element['workflow']['workflow_field'] = array('#type' => 'value', '#value' => $field);
     $element['workflow']['workflow_instance'] = array('#type' => 'value', '#value' => $instance);
     // Save the form_id, so the form values can be retrieved in submit function.
     $element['workflow']['form_id'] = array('#type' => 'value', '#value' => $form_id);
     // Save the hid, when editing an existing transition.
     $element['workflow']['workflow_hid'] = array('#type' => 'hidden', '#value' => $transition->hid);
     // Add the default value in the place where normal fields
     // have it. This is to cater for 'preview' of the entity.
     $element['#default_value'] = $default_value;
     // Decide if we show a widget or a formatter.
     // There is no need for a widget when the only option is the current sid.
     // Show state formatter before the rest of the form,
     // when transition is scheduled or widget is hidden.
     if (!$show_widget || $transition->isScheduled() || $transition->isExecuted()) {
         $form['workflow_current_state'] = workflow_state_formatter($entity_type, $entity, $field, $instance, $current_sid);
         // Set a proper weight, which works for Workflow Options in select list AND action buttons.
         $form['workflow_current_state']['#weight'] = -0.005;
     }
     // Add class following node-form pattern (both on form and container).
     $workflow_type_id = $workflow ? $workflow->getName() : 'none';
     // No workflow on New Action form.
     $element['workflow']['#attributes']['class'][] = 'workflow-transition-container';
     $element['workflow']['#attributes']['class'][] = 'workflow-transition-' . $workflow_type_id . '-container';
     // Add class for D7-backwards compatibility (only on container).
     $element['workflow']['#attributes']['class'][] = 'workflow-form-container';
     if (!$show_widget) {
         // Show no widget.
         $element['workflow']['workflow_sid']['#type'] = 'value';
         $element['workflow']['workflow_sid']['#value'] = $default_value;
         $element['workflow']['workflow_sid']['#options'] = $options;
         // In case action buttons need them.
         $form += $element;
         return $form;
         // <---- exit.
     } else {
         // Prepare a UI wrapper. This might be a fieldset or a container.
         if ($settings_fieldset == 0) {
             // Use 'container'.
             $element['workflow'] += array('#type' => 'container');
         } else {
             $element['workflow'] += array('#type' => 'fieldset', '#title' => t($workflow_label), '#collapsible' => TRUE, '#collapsed' => $settings_fieldset == 1 ? FALSE : TRUE);
         }
         // The 'options' widget. May be removed later if 'Action buttons' are chosen.
         // The help text is not available for container. Let's add it to the
         // State box.
         $help_text = isset($instance['description']) ? $instance['description'] : '';
         $element['workflow']['workflow_sid'] = array('#type' => $settings_options_type, '#title' => $settings_title_as_name ? t('Change !name state', array('!name' => $workflow_label)) : t('Target state'), '#access' => TRUE, '#options' => $options, '#default_value' => $default_value, '#description' => $help_text);
     }
     // Display scheduling form, but only if entity is being edited and user has
     // permission. State change cannot be scheduled at entity creation because
     // that leaves the entity in the (creation) state.
     if ($settings_schedule == TRUE) {
         if (variable_get('configurable_timezones', 1) && $user->uid && drupal_strlen($user->timezone)) {
             $timezone = $user->timezone;
         } else {
             $timezone = variable_get('date_default_timezone', 0);
         }
         $timezones = drupal_map_assoc(timezone_identifiers_list());
         $timestamp = $transition->getTimestamp();
         $hours = !$transition->isScheduled() ? '00:00' : format_date($timestamp, 'custom', 'H:i', $timezone);
         // Add a container, so checkbox and time stay together in extra fields.
         $element['workflow']['workflow_scheduling'] = array('#type' => 'container', '#tree' => TRUE);
         $element['workflow']['workflow_scheduling']['scheduled'] = array('#type' => 'radios', '#title' => t('Schedule'), '#options' => array('0' => t('Immediately'), '1' => t('Schedule for state change')), '#default_value' => $transition->isScheduled() ? '1' : '0', '#attributes' => array('class' => array(drupal_html_class('scheduled_' . $form_id))));
         $element['workflow']['workflow_scheduling']['date_time'] = array('#type' => 'fieldset', '#title' => t('At'), '#attributes' => array('class' => array('container-inline')), '#prefix' => '<div style="margin-left: 1em;">', '#suffix' => '</div>', '#states' => array('visible' => array('input.' . drupal_html_class('scheduled_' . $form_id) => array('value' => '1'))));
         $element['workflow']['workflow_scheduling']['date_time']['workflow_scheduled_date'] = array('#type' => 'date', '#default_value' => array('day' => date('j', $timestamp), 'month' => date('n', $timestamp), 'year' => date('Y', $timestamp)));
         $element['workflow']['workflow_scheduling']['date_time']['workflow_scheduled_hour'] = array('#type' => 'textfield', '#title' => t('Time'), '#maxlength' => 7, '#size' => 6, '#default_value' => $hours, '#element_validate' => array('_workflow_transition_form_element_validate_time'));
         $element['workflow']['workflow_scheduling']['date_time']['workflow_scheduled_timezone'] = array('#type' => $settings_schedule_timezone ? 'select' : 'hidden', '#title' => t('Time zone'), '#options' => $timezones, '#default_value' => array($timezone => $timezone));
         $element['workflow']['workflow_scheduling']['date_time']['workflow_scheduled_help'] = array('#type' => 'item', '#prefix' => '<br />', '#description' => t('Please enter a time.
       If no time is included, the default will be midnight on the specified date.
       The current time is: @time.', array('@time' => format_date(REQUEST_TIME, 'custom', 'H:i', $timezone))));
     }
     $element['workflow']['workflow_comment'] = array('#type' => 'textarea', '#required' => $settings_comment == '2', '#access' => $settings_comment != '0', '#title' => t('Workflow comment'), '#description' => t('A comment to put in the workflow log.'), '#default_value' => $transition->comment, '#rows' => 2);
     // Add the fields and extra_fields from the WorkflowTransition.
     // Because we have a 'workflow' wrapper, it doesn't work flawlessly.
     field_attach_form('WorkflowTransition', $transition, $element['workflow'], $form_state);
     // Undo the following elements from field_attach_from. They mess up $this->getTransition().
     // - '#parents' corrupts the Defaultwidget.
     unset($element['workflow']['#parents']);
     // - '#pre_render' adds the exra_fields from workflow_field_extra_fields().
     //   That doesn't work, since 'workflow' is not of #type 'form', but
     //   'container' or 'fieldset', and must be executed separately,.
     $element['workflow']['#pre_render'] = array_diff($element['workflow']['#pre_render'], array('_field_extra_fields_pre_render'));
     // Add extra fields.
     $rescue_value = $element['workflow']['#type'];
     $element['workflow']['#type'] = 'form';
     $element['workflow'] = _field_extra_fields_pre_render($element['workflow']);
     $element['workflow']['#type'] = $rescue_value;
     // Finally, add Submit buttons/Action buttons.
     // Either a default 'Submit' button is added, or a button per permitted state.
     if ($settings_options_type == 'buttons') {
         // How do action buttons work? See also d.o. issue #2187151.
         // Create 'action buttons' per state option. Set $sid property on each button.
         // 1. Admin sets ['widget']['options']['#type'] = 'buttons'.
         // 2. This function formElement() creates 'action buttons' per state option;
         //    sets $sid property on each button.
         // 3. User clicks button.
         // 4. Callback _workflow_transition_form_validate_buttons() sets proper State.
         // 5. Callback _workflow_transition_form_validate_buttons() sets Submit function.
         // @todo: this does not work yet for the Add Comment form.
         // Performance: inform workflow_form_alter() to do its job.
         _workflow_use_action_buttons(TRUE);
         // Hide the options box. It will be replaced by action buttons.
         $element['workflow']['workflow_sid']['#type'] = 'select';
         $element['workflow']['workflow_sid']['#access'] = FALSE;
     }
     if ($form_state['build_info']['base_form_id'] == 'workflow_transition_form') {
         // Add action buttons on WorkflowTransitionForm (history tab, formatter)
         // but not on Entity form, and not if action_buttons is selected.
         // you can explicitly NOT add a submit button, e.g., on VBO page.
         if ($instance['widget']['settings']['submit_function'] !== '') {
             // @todo D8: put buttons outside of 'workflow' element, in the standard location.
             $element['workflow']['actions']['#type'] = 'actions';
             $element['workflow']['actions']['submit'] = array('#type' => 'submit', '#value' => t('Update workflow'), '#weight' => -5, '#attributes' => array('class' => array('form-save-default-button')));
             // The 'add submit' can explicitly set by workflowfield_field_formatter_view(),
             // to add the submit button on the Content view page and the Workflow history tab.
             // Add a submit button, but only on Entity View and History page.
             // Add the submit function only if one provided. Set the submit_callback accordingly.
             if (!empty($instance['widget']['settings']['submit_function'])) {
                 $element['workflow']['actions']['submit']['#submit'] = array($instance['widget']['settings']['submit_function']);
             } else {
                 // '#submit' Must be empty, or else the submit function is not called.
                 // $element['workflow']['actions']['submit']['#submit'] = array();
             }
         }
     }
     /*
         $submit_functions = empty($instance['widget']['settings']['submit_function']) ? array() : array($instance['widget']['settings']['submit_function']);
         if ($settings_options_type == 'buttons' || $submit_functions) {
         }
         else {
      // In some cases, no submit callback function is specified. This is
      // explicitly done on e.g., the node edit form, because the workflow form
      // is 'just a field'.
      // So, no Submit button is to be shown.
         }
     */
     $form += $element;
     // Add class following node-form pattern (both on form and container).
     $workflow_type_id = $workflow ? $workflow->getName() : 'none';
     // No workflow on New Action form.
     $form['#attributes']['class'][] = 'workflow-transition-form';
     $form['#attributes']['class'][] = 'workflow-transition-' . $workflow_type_id . '-form';
     return $form;
 }