class Comment

class Comment extends WizardPluginBase {
    
    /**
     * Set the created column.
     *
     * @var string
     */
    protected $createdColumn = 'created';
    
    /**
     * Set default values for the filters.
     */
    protected $filters = [
        'status_node' => [
            'value' => TRUE,
            'table' => 'node_field_data',
            'field' => 'status',
            'plugin_id' => 'boolean',
            'relationship' => 'node',
            'entity_type' => 'node',
            'entity_field' => 'status',
        ],
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function rowStyleOptions() {
        $options = [];
        $options['entity:comment'] = $this->t('comments');
        $options['fields'] = $this->t('fields');
        return $options;
    }
    
    /**
     * {@inheritdoc}
     */
    protected function defaultDisplayOptions() {
        $display_options = parent::defaultDisplayOptions();
        // Add permission-based access control.
        $display_options['access']['type'] = 'perm';
        $display_options['access']['options']['perm'] = 'access comments';
        // Add a relationship to nodes.
        $display_options['relationships']['node']['id'] = 'node';
        $display_options['relationships']['node']['table'] = 'comment_field_data';
        $display_options['relationships']['node']['field'] = 'node';
        $display_options['relationships']['node']['entity_type'] = 'comment_field_data';
        $display_options['relationships']['node']['required'] = 1;
        $display_options['relationships']['node']['plugin_id'] = 'standard';
        // Remove the default fields, since we are customizing them here.
        unset($display_options['fields']);
        
        /* Field: Comment: Title */
        $display_options['fields']['subject']['id'] = 'subject';
        $display_options['fields']['subject']['table'] = 'comment_field_data';
        $display_options['fields']['subject']['field'] = 'subject';
        $display_options['fields']['subject']['entity_type'] = 'comment';
        $display_options['fields']['subject']['entity_field'] = 'subject';
        $display_options['fields']['subject']['label'] = '';
        $display_options['fields']['subject']['alter']['alter_text'] = 0;
        $display_options['fields']['subject']['alter']['make_link'] = 0;
        $display_options['fields']['subject']['alter']['absolute'] = 0;
        $display_options['fields']['subject']['alter']['trim'] = 0;
        $display_options['fields']['subject']['alter']['word_boundary'] = 0;
        $display_options['fields']['subject']['alter']['ellipsis'] = 0;
        $display_options['fields']['subject']['alter']['strip_tags'] = 0;
        $display_options['fields']['subject']['alter']['html'] = 0;
        $display_options['fields']['subject']['hide_empty'] = 0;
        $display_options['fields']['subject']['empty_zero'] = 0;
        $display_options['fields']['subject']['plugin_id'] = 'field';
        $display_options['fields']['subject']['type'] = 'string';
        $display_options['fields']['subject']['settings'] = [
            'link_to_entity' => TRUE,
        ];
        return $display_options;
    }

}