QuickNodeContent.php

<?php


/**
 * @file
 * Contains \Drupal\quicktabs\Plugin\QuickContent\QuickNodeContent.
 */
namespace Drupal\quicktabs\Plugin\QuickContent;

use Drupal\quicktabs\QuickContent;
use Drupal\quicktabs\QuicktabContentInterface;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Class for tab content of type "node" - this is for rendering a node as tab
 * content.
 * @QuicktabFormat{
 *  id = "quicknodecontent"
 * }
 */
class QuickNodeContent extends QuickContent implements QuicktabContentInterface {
    
    /**
     * {@inheritdoc}
     */
    public static function getType() {
        return 'node';
    }
    
    /**
     * {@inheritdoc}
     */
    public function optionsForm($delta, $qt, $form) {
        $tab = $this->settings;
        $form = array();
        $form['node']['nid'] = array(
            '#type' => 'textfield',
            '#title' => t('Node'),
            '#description' => t('The node ID of the node.'),
            '#maxlength' => 10,
            '#size' => 20,
            '#default_value' => isset($tab['nid']) ? $tab['nid'] : '',
        );
        $entity_info = \Drupal::entityManager()->getDefinition('node');
        $view_modes = array();
        foreach ($entity_info['view modes'] as $view_mode_name => $view_mode) {
            $view_modes[$view_mode_name] = $view_mode['label'];
        }
        $form['node']['view_mode'] = array(
            '#type' => 'select',
            '#title' => t('View mode'),
            '#options' => $view_modes,
            '#default_value' => isset($tab['view_mode']) ? $tab['view_mode'] : 'full',
        );
        $form['node']['hide_title'] = array(
            '#type' => 'checkbox',
            '#title' => t('Hide the title of this node'),
            '#default_value' => isset($tab['hide_title']) ? $tab['hide_title'] : 1,
        );
        return $form;
    }
    
    /**
     * {@inheritdoc}
     */
    public function render($hide_empty = FALSE, $args = array()) {
        if ($this->rendered_content) {
            return $this->rendered_content;
        }
        $item = $this->settings;
        if (!empty($args)) {
            // The args have been passed in from an ajax request.
            // The first element of the args array is the qt_name, which we don't need
            // for this content type.
            array_shift($args);
            list($item['nid'], $item['view_mode'], $item['hide_title']) = $args;
        }
        $output = array();
        if (isset($item['nid'])) {
            $node = \Drupal::entityManager()->getStorage('node')
                ->load($item['nid']);
            if (!empty($node)) {
                if (node_access('view', $node)) {
                    $buildmode = $item['view_mode'];
                    $nstruct = node_view($node, $buildmode);
                    if ($item['hide_title']) {
                        $nstruct['#node']->title = NULL;
                    }
                    $output = $nstruct;
                }
                elseif (!$hide_empty) {
                    $output = array(
                        '#markup' => theme('quicktabs_tab_access_denied', array(
                            'tab' => $item,
                        )),
                    );
                }
            }
        }
        return $output;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getAjaxKeys() {
        return array(
            'nid',
            'view_mode',
            'hide_title',
        );
    }
    
    /**
     * {@inheritdoc}
     */
    public function getUniqueKeys() {
        return array(
            'nid',
        );
    }

}