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<?php
namespace Drupal\facebook_comments\Plugin\Block;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Block\BlockPluginInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
class FacebookCommentsBlock extends BlockBase implements BlockPluginInterface {
public function build() {
$config = $this
->getConfiguration();
$style = $config['facebook_comments_style'];
$width = $config['facebook_comments_width'];
$fluid = $config['facebook_comments_width_fluid'];
$amount = $config['facebook_comments_amount'];
$config = \Drupal::config('facebook_comments.settings');
$appid = $config
->get('facebook_comments_appid');
$admins = $config
->get('facebook_comments_admins');
$ssl = $config
->get('facebook_comments_ssl');
$options = array(
'absolute' => TRUE,
);
$url = Url::fromRoute('<current>', array(), $options)
->toString();
$lang = _facebook_comments_get_language_code();
if ($ssl && strpos($url, "http://") !== FALSE) {
$url = str_ireplace("http://", "https://", $url);
}
if ($fluid) {
$class = "fb-comments-fluid";
}
else {
$class = "";
}
$output = array(
'#theme' => 'facebook_comments_block',
'#style' => $style,
'#amount' => $amount,
'#width' => $width,
'#class' => $class,
'#url' => $url,
'#lang' => $lang,
);
if ($fluid) {
$output['#attached']['library'][] = 'facebook_comments/fluid';
}
if ($appid) {
$a = array(
'#tag' => 'meta',
'#attributes' => array(
'property' => 'fb:app_id',
'content' => $appid,
),
);
$output['#attached']['html_head'][] = [
$a,
'facebook_comments',
];
}
elseif ($admins) {
$admin = explode(",", $admins);
foreach ($admin as $key => $value) {
$a = array(
'#tag' => 'meta',
'#attributes' => array(
'property' => 'fb:admins',
'content' => trim($value),
),
);
$output['#attached']['html_head'][] = [
$a,
'facebook_comments_' . $key,
];
}
}
return $output;
}
public function blockForm($form, FormStateInterface $form_state) {
$form = parent::blockForm($form, $form_state);
$config = $this
->getConfiguration();
$form['facebook_comments_style'] = array(
'#type' => 'select',
'#title' => $this
->t('Color Scheme'),
'#default_value' => isset($config['facebook_comments_style']) ? $config['facebook_comments_style'] : 'light',
'#options' => array(
'light' => $this
->t('Light'),
'dark' => $this
->t('Dark'),
),
);
$form['facebook_comments_width'] = array(
'#type' => 'textfield',
'#title' => $this
->t('Facebook comment plugin width'),
'#default_value' => isset($config['facebook_comments_width']) ? $config['facebook_comments_width'] : 208,
'#description' => $this
->t('The width of the Facebook comment plugin for this block, in pixels. Example: 208'),
);
$form['facebook_comments_width_fluid'] = array(
'#type' => 'checkbox',
'#title' => $this
->t('Fluid Facebook comment plugin width'),
'#default_value' => isset($config['facebook_comments_width_fluid']) ? $config['facebook_comments_width_fluid'] : 1,
'#description' => $this
->t('Make the width of the Facebook comment plugin for this block fluid (100%). This overrules the block width setting above.'),
);
$form['facebook_comments_amount'] = array(
'#type' => 'select',
'#title' => $this
->t('Amount of comments to display'),
'#options' => array(
1 => 1,
2 => 2,
3 => 3,
5 => 5,
7 => 7,
10 => 10,
15 => 15,
20 => 20,
30 => 30,
),
'#default_value' => isset($config['facebook_comments_amount']) ? $config['facebook_comments_amount'] : 5,
);
return $form;
}
public function blockSubmit($form, FormStateInterface $form_state) {
$this
->setConfigurationValue('facebook_comments_style', $form_state
->getValue('facebook_comments_style'));
$this
->setConfigurationValue('facebook_comments_width', $form_state
->getValue('facebook_comments_width'));
$this
->setConfigurationValue('facebook_comments_width_fluid', $form_state
->getValue('facebook_comments_width_fluid'));
$this
->setConfigurationValue('facebook_comments_amount', $form_state
->getValue('facebook_comments_amount'));
}
}