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<?php
namespace Drupal\field_group;
use Drupal\Core\Field\PluginSettingsBase;
use Drupal\Core\Form\FormStateInterface;
abstract class FieldGroupFormatterBase extends PluginSettingsBase implements FieldGroupFormatterInterface {
protected $group;
protected $settings;
protected $label;
protected $viewMode;
protected $context;
public function __construct($plugin_id, $plugin_definition, \stdClass $group, array $settings, $label) {
parent::__construct([], $plugin_id, $plugin_definition);
$this->group = $group;
$this->settings = $settings;
$this->label = $label;
$this->context = $group->context;
}
public function getLabel() {
return $this->label;
}
public function settingsForm() {
$class = get_class($this);
$form = [];
$form['label'] = [
'#type' => 'textfield',
'#title' => $this
->t('Field group label'),
'#default_value' => $this->label,
'#weight' => -5,
];
$form['show_empty_fields'] = [
'#type' => 'checkbox',
'#title' => $this
->t('Display element also when empty'),
'#description' => $this
->t('Display this field group even if the contained fields are currently empty.'),
'#default_value' => $this
->getSetting('show_empty_fields'),
];
$form['id'] = [
'#title' => $this
->t('ID'),
'#type' => 'textfield',
'#default_value' => $this
->getSetting('id'),
'#weight' => 10,
'#element_validate' => [
[
$class,
'validateId',
],
],
];
$form['classes'] = [
'#title' => $this
->t('Extra CSS classes'),
'#type' => 'textfield',
'#default_value' => $this
->getSetting('classes'),
'#weight' => 11,
'#element_validate' => [
[
$class,
'validateCssClass',
],
],
];
return $form;
}
public function settingsSummary() {
$summary = [];
if ($this
->getSetting('formatter')) {
$summary[] = $this->pluginDefinition['label'] . ': ' . $this
->getSetting('formatter');
}
if ($this
->getSetting('show_empty_fields')) {
$summary[] = $this
->t('Show Empty Fields');
}
if ($this
->getSetting('id')) {
$summary[] = $this
->t('Id: @id', [
'@id' => $this
->getSetting('id'),
]);
}
if ($this
->getSetting('classes')) {
$summary[] = \Drupal::translation()
->translate('Extra CSS classes: @classes', [
'@classes' => $this
->getSetting('classes'),
]);
}
return $summary;
}
public static function defaultSettings() {
return self::defaultContextSettings('view');
}
public static function defaultContextSettings($context) {
return [
'classes' => '',
'id' => '',
];
}
protected function getClasses() {
$classes = [];
if ($this
->getSetting('required_fields')) {
$classes[] = 'required-fields';
$classes[] = 'field-group-' . str_replace('_', '-', $this
->getBaseId());
}
if ($this
->getSetting('classes')) {
$classes = array_merge($classes, explode(' ', trim($this
->getSetting('classes'))));
}
return $classes;
}
public function preRender(&$element, $rendering_object) {
$element['#group_name'] = $this->group->group_name;
$element['#entity_type'] = $this->group->entity_type;
$element['#bundle'] = $this->group->bundle;
$element['#show_empty_fields'] = $this
->getSetting('show_empty_fields');
}
public function process(&$element, $processed_object) {
$element['#group_name'] = $this->group->group_name;
$element['#entity_type'] = $this->group->entity_type;
$element['#bundle'] = $this->group->bundle;
return $this
->preRender($element, $processed_object);
}
public static function validateCssClass(array $element, FormStateInterface $form_state) {
$form_state_values = $form_state
->getValues();
$plugin_name = $form_state
->get('plugin_settings_edit');
if (!empty($form_state_values['fields'][$plugin_name]['settings_edit_form']['settings']['classes']) && !preg_match('!^[A-Za-z0-9-_ ]+$!', $form_state_values['fields'][$plugin_name]['settings_edit_form']['settings']['classes'])) {
$form_state
->setError($element, t('The css class must include only letters, numbers, underscores and dashes.'));
}
}
public static function validateId(array $element, FormStateInterface $form_state) {
$form_state_values = $form_state
->getValues();
$plugin_name = $form_state
->get('plugin_settings_edit');
if (!empty($form_state_values['fields'][$plugin_name]['settings_edit_form']['settings']['id']) && !preg_match('!^[A-Za-z0-9-_]+$!', $form_state_values['fields'][$plugin_name]['settings_edit_form']['settings']['id'])) {
$form_state
->setError($element, t('The id must include only letters, numbers, underscores and dashes.'));
}
}
}