SystemBrandingBlock.php
Same filename in other branches
Namespace
Drupal\system\Plugin\BlockFile
-
core/
modules/ system/ src/ Plugin/ Block/ SystemBrandingBlock.php
View source
<?php
namespace Drupal\system\Plugin\Block;
use Drupal\Core\Block\Attribute\Block;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Cache\Cache;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\Core\Url;
use Drupal\system\Form\SystemBrandingOffCanvasForm;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Provides a block to display 'Site branding' elements.
*/
class SystemBrandingBlock extends BlockBase implements ContainerFactoryPluginInterface {
/**
* Stores the configuration factory.
*
* @var \Drupal\Core\Config\ConfigFactoryInterface
*/
protected $configFactory;
/**
* Creates a SystemBrandingBlock instance.
*
* @param array $configuration
* A configuration array containing information about the plugin instance.
* @param string $plugin_id
* The plugin_id for the plugin instance.
* @param mixed $plugin_definition
* The plugin implementation definition.
* @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
* The factory for configuration objects.
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, ConfigFactoryInterface $config_factory) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->configFactory = $config_factory;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static($configuration, $plugin_id, $plugin_definition, $container->get('config.factory'));
}
/**
* {@inheritdoc}
*/
public function defaultConfiguration() {
return [
'use_site_logo' => TRUE,
'use_site_name' => TRUE,
'use_site_slogan' => TRUE,
'label_display' => FALSE,
];
}
/**
* {@inheritdoc}
*/
public function blockForm($form, FormStateInterface $form_state) {
// Get permissions.
$url_system_theme_settings = new Url('system.theme_settings');
if ($url_system_theme_settings->access()) {
// Provide links to the Appearance Settings page if the user has access to
// administer themes.
$site_logo_description = $this->t('Defined on the <a href="@appearance">Appearance Settings</a> page.', [
'@appearance' => $url_system_theme_settings->toString(),
]);
}
else {
// Explain that the user does not have access to the Appearance and Theme
// Settings pages.
$site_logo_description = $this->t('Defined on the Appearance or Theme Settings page. You do not have the appropriate permissions to change the site logo.');
}
$url_system_site_information_settings = new Url('system.site_information_settings');
if ($url_system_site_information_settings->access()) {
// Get paths to settings pages.
$site_information_url = $url_system_site_information_settings->toString();
// Provide link to Site Information page if the user has access to
// administer site configuration.
$site_name_description = $this->t('Defined on the <a href=":information">Site Information</a> page.', [
':information' => $site_information_url,
]);
$site_slogan_description = $this->t('Defined on the <a href=":information">Site Information</a> page.', [
':information' => $site_information_url,
]);
}
else {
// Explain that the user does not have access to the Site Information
// page.
$site_name_description = $this->t('Defined on the Site Information page. You do not have the appropriate permissions to change the site logo.');
$site_slogan_description = $this->t('Defined on the Site Information page. You do not have the appropriate permissions to change the site logo.');
}
$form['block_branding'] = [
'#type' => 'fieldset',
'#title' => $this->t('Toggle branding elements'),
'#description' => $this->t('Choose which branding elements you want to show in this block instance.'),
];
$form['block_branding']['use_site_logo'] = [
'#type' => 'checkbox',
'#title' => $this->t('Site logo'),
'#description' => $site_logo_description,
'#default_value' => $this->configuration['use_site_logo'],
];
$form['block_branding']['use_site_name'] = [
'#type' => 'checkbox',
'#title' => $this->t('Site name'),
'#description' => $site_name_description,
'#default_value' => $this->configuration['use_site_name'],
];
$form['block_branding']['use_site_slogan'] = [
'#type' => 'checkbox',
'#title' => $this->t('Site slogan'),
'#description' => $site_slogan_description,
'#default_value' => $this->configuration['use_site_slogan'],
];
return $form;
}
/**
* {@inheritdoc}
*/
public function blockSubmit($form, FormStateInterface $form_state) {
$block_branding = $form_state->getValue('block_branding');
$this->configuration['use_site_logo'] = $block_branding['use_site_logo'];
$this->configuration['use_site_name'] = $block_branding['use_site_name'];
$this->configuration['use_site_slogan'] = $block_branding['use_site_slogan'];
}
/**
* {@inheritdoc}
*/
public function build() {
$build = [];
$site_config = $this->configFactory
->get('system.site');
$build['site_logo'] = [
'#theme' => 'image',
'#uri' => theme_get_setting('logo.url'),
'#alt' => $this->t('Home'),
'#access' => $this->configuration['use_site_logo'],
];
$build['site_name'] = [
'#markup' => $site_config->get('name'),
'#access' => $this->configuration['use_site_name'],
];
$build['site_slogan'] = [
'#markup' => $site_config->get('slogan'),
'#access' => $this->configuration['use_site_slogan'],
];
return $build;
}
/**
* {@inheritdoc}
*/
public function getCacheTags() {
return Cache::mergeTags(parent::getCacheTags(), $this->configFactory
->get('system.site')
->getCacheTags());
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
SystemBrandingBlock | Provides a block to display 'Site branding' elements. |
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