class SystemBrandingBlock

Same name in other branches
  1. 9 core/modules/system/src/Plugin/Block/SystemBrandingBlock.php \Drupal\system\Plugin\Block\SystemBrandingBlock
  2. 8.9.x core/modules/system/src/Plugin/Block/SystemBrandingBlock.php \Drupal\system\Plugin\Block\SystemBrandingBlock
  3. 10 core/modules/system/src/Plugin/Block/SystemBrandingBlock.php \Drupal\system\Plugin\Block\SystemBrandingBlock

Provides a block to display 'Site branding' elements.

Hierarchy

Expanded class hierarchy of SystemBrandingBlock

File

core/modules/system/src/Plugin/Block/SystemBrandingBlock.php, line 19

Namespace

Drupal\system\Plugin\Block
View source
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());
    }

}

Members

Title Sort descending Modifiers Object type Summary Member alias Overriden Title Overrides
BlockBase::buildConfigurationForm public function Form constructor. Overrides PluginFormInterface::buildConfigurationForm 2
BlockPluginInterface::BLOCK_LABEL_VISIBLE constant Indicates the block label (title) should be displayed to end users.
BlockPluginTrait::$inPreview protected property Whether the plugin is being rendered in preview mode.
BlockPluginTrait::$transliteration protected property The transliteration service.
BlockPluginTrait::access public function
BlockPluginTrait::baseConfigurationDefaults protected function Returns generic default configuration for block plugins.
BlockPluginTrait::blockAccess protected function Indicates whether the block should be shown. 18
BlockPluginTrait::blockValidate public function 3
BlockPluginTrait::buildConfigurationForm public function Creates a generic configuration form for all block types. Individual
block plugins can add elements to this form by overriding
BlockBase::blockForm(). Most block plugins should not override this
method unless they need to alter the generic form elements.
Aliased as: traitBuildConfigurationForm
BlockPluginTrait::calculateDependencies public function 1
BlockPluginTrait::getConfiguration public function 1
BlockPluginTrait::getMachineNameSuggestion public function 1
BlockPluginTrait::getPreviewFallbackString public function 3
BlockPluginTrait::label public function
BlockPluginTrait::setConfiguration public function
BlockPluginTrait::setConfigurationValue public function
BlockPluginTrait::setInPreview public function
BlockPluginTrait::setTransliteration public function Sets the transliteration service.
BlockPluginTrait::submitConfigurationForm public function Most block plugins should not override this method. To add submission
handling for a specific block type, override BlockBase::blockSubmit().
BlockPluginTrait::transliteration protected function Wraps the transliteration service.
BlockPluginTrait::validateConfigurationForm public function Most block plugins should not override this method. To add validation
for a specific block type, override BlockBase::blockValidate().
1
ContextAwarePluginAssignmentTrait::addContextAssignmentElement protected function Builds a form element for assigning a context to a given slot.
ContextAwarePluginAssignmentTrait::contextHandler protected function Wraps the context handler.
ContextAwarePluginTrait::$context protected property The data objects representing the context of this plugin.
ContextAwarePluginTrait::getCacheContexts public function 10
ContextAwarePluginTrait::getCacheMaxAge public function 6
ContextAwarePluginTrait::getContext public function
ContextAwarePluginTrait::getContextDefinition public function
ContextAwarePluginTrait::getContextDefinitions public function
ContextAwarePluginTrait::getContextMapping public function 1
ContextAwarePluginTrait::getContexts public function
ContextAwarePluginTrait::getContextValue public function
ContextAwarePluginTrait::getContextValues public function
ContextAwarePluginTrait::getPluginDefinition abstract public function 1
ContextAwarePluginTrait::setContext public function 1
ContextAwarePluginTrait::setContextMapping public function
ContextAwarePluginTrait::setContextValue public function
ContextAwarePluginTrait::validateContexts public function
DerivativeInspectionInterface::getBaseId public function Gets the base_plugin_id of the plugin instance. 1
DerivativeInspectionInterface::getDerivativeId public function Gets the derivative_id of the plugin instance. 1
MessengerTrait::$messenger protected property The messenger. 16
MessengerTrait::messenger public function Gets the messenger. 16
MessengerTrait::setMessenger public function Sets the messenger.
PluginInspectionInterface::getPluginId public function Gets the plugin ID of the plugin instance. 2
PluginWithFormsTrait::getFormClass public function Implements \Drupal\Core\Plugin\PluginWithFormsInterface::getFormClass().
PluginWithFormsTrait::hasFormClass public function Implements \Drupal\Core\Plugin\PluginWithFormsInterface::hasFormClass().
StringTranslationTrait::$stringTranslation protected property The string translation service. 3
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
SystemBrandingBlock::$configFactory protected property Stores the configuration factory.
SystemBrandingBlock::blockForm public function Overrides BlockPluginTrait::blockForm
SystemBrandingBlock::blockSubmit public function Overrides BlockPluginTrait::blockSubmit
SystemBrandingBlock::build public function Builds and returns the renderable array for this block plugin. Overrides BlockPluginInterface::build
SystemBrandingBlock::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
SystemBrandingBlock::defaultConfiguration public function Overrides BlockPluginTrait::defaultConfiguration
SystemBrandingBlock::getCacheTags public function Overrides ContextAwarePluginTrait::getCacheTags
SystemBrandingBlock::__construct public function Creates a SystemBrandingBlock instance. Overrides BlockPluginTrait::__construct

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