class AccountHeaderElement in Open Social 8.9

Provides an account header item element.

Example:

$build["account_block"] = [
  "#type" => "account_header_element",
];

Plugin annotation

@RenderElement("account_header_element");

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\Core\Render\Element\RenderElement implements ElementInterface
      • class \Drupal\social_user\Element\AccountHeaderElement

See also

Plugin API

6 #type uses of AccountHeaderElement

AccountHeaderBlock::build in modules/social_features/social_user/src/Plugin/Block/AccountHeaderBlock.php

Builds and returns the renderable array for this block plugin.

hook_social_user_account_header_items in modules/social_features/social_user/social_user.api.php

Allows a module to add a link in the account header block.

LanguageSwitcherBlock::build in modules/custom/social_language/src/Plugin/Block/LanguageSwitcherBlock.php

Builds and returns the renderable array for this block plugin.

social_activity_social_user_account_header_items in modules/social_features/social_activity/social_activity.module

Implements hook_social_user_account_header_items().

social_group_social_user_account_header_items in modules/social_features/social_group/social_group.module

Implements hook_social_user_account_header_items().

... See full list

File

modules/social_features/social_user/src/Element/AccountHeaderElement.php, line 24

Namespace

Drupal\social_user\Element

class AccountHeaderElement extends RenderElement {

  /**
   * {@inheritdoc}
   */
  public function getInfo() {
    $class = get_class($this);
    return [
      "#pre_render" => [
        [
          $class,
          "preRenderAccountHeaderElement",
        ],
      ],
      // The default title attribute for the link.
      "#title" => "",
      // The default href for the link.
      "#url" => Url::fromRoute("<none>"),
      // An optional image used in the link (supersedes the icon).
      "#image" => NULL,
      // An optional icon used in the link.
      "#icon" => NULL,
      // A label for the link, used on mobile.
      "#label" => "",
      // The number of notifications for this menu item.
      // Will be rendered as a visual indicator if greater than 0.
      "#notification_count" => NULL,
    ];
  }

  /**
   * Returns an array that can be provided as an item in an item_list.
   *
   * @param array $item
   *   The render array for this account header element as defined in getInfo.
   *
   * @return array
   *   A render array for an element usable in item_list.
   */
  public static function preRenderAccountHeaderElement(array $item) {

    // Retrieve the item children, if any, sorted by weight.
    $children = Element::children($item, TRUE);

    // The link attributes are for the top level link containe in the <li>.
    $link_attributes = [];

    // The link text is a label with an optional icon or image. If an icon or
    // image is used the CSS hides the label for larger screens.
    $link_text = [];

    // If this link has children then it"s a dropdown.
    if (!empty($children)) {
      $link_attributes = [
        "data-toggle" => "dropdown",
        "aria-expanded" => "true",
        "aria-haspopup" => "true",
        "role" => "button",
        "class" => "dropdown-toggle clearfix",
      ];
    }

    // We always add the title attribute to the link.
    $link_attributes["title"] = $item["#title"];

    // Depending on whether an icon, image or title was set. Configure the link.
    if (!empty($item["#image"])) {

      // The image should be a renderable array so we just add it as link text.
      $link_text[] = $item["#image"];
    }
    elseif (!empty($item["#icon"])) {

      // The icon is an SVG icon name without prefix.
      $link_text[] = [
        "#type" => "inline_template",
        "#template" => "<svg class='navbar-nav__icon icon-{{ icon }}'><use xlink:href='#icon-{{ icon }}' /></svg>",
        '#context' => [
          'icon' => $item['#icon'],
        ],
      ];
    }

    // Allow this menu item to include a notification count.
    if ($item['#notification_count'] !== NULL) {
      $count_classes = $item['#notification_count'] > 0 ? [
        'badge',
        'badge-accent',
        'badge--pill',
      ] : [
        'sr-only',
      ];
      $link_text[] = [
        "#type" => "inline_template",
        "#template" => "<span{{ attributes }}>{{ count }}</span>",
        '#context' => [
          'attributes' => new Attribute([
            'class' => $count_classes,
          ]),
          'count' => $item['#notification_count'] > 99 ? "99+" : $item['#notification_count'],
        ],
      ];
    }

    // We always render the label but hide it for non-screenreader users in case
    // an image or icon is used.
    $label_class = !empty($item['#image']) || !empty($item['#icon']) ? 'sr-only' : NULL;
    $link_text[] = [
      "#type" => "inline_template",
      "#template" => "<span{{ attributes }}>{{ label }}</span>",
      '#context' => [
        'attributes' => new Attribute([
          'class' => [
            $label_class,
          ],
        ]),
        'label' => $item['#label'],
      ],
    ];

    // If the URL is empty then we use a button instead.
    if ($item['#url'] === "") {

      // A custom button is rendered because the Drupal built in button element
      // is not meant to be used outside of forms.
      $element = [
        "#type" => "unwrapped_container",
        "link" => [
          "#type" => "inline_template",
          '#template' => "<button {{ attributes }}>{{ label }}</button>",
          '#context' => [
            "attributes" => new Attribute($link_attributes),
            "label" => $link_text,
          ],
        ],
      ];
    }
    else {
      $element = [
        "#type" => "unwrapped_container",
        "link" => [
          "#type" => "link",
          "#attributes" => $link_attributes,
          "#url" => $item["#url"],
          "#title" => $link_text,
        ],
      ];
    }

    // If there are children we add them to a sublist.
    if (!empty($children)) {
      $element["menu_links"] = [
        "#theme" => "item_list",
        '#list_type' => 'ul',
        '#attributes' => [
          'class' => [
            'dropdown-menu',
          ],
        ],
        "#items" => array_intersect_key($item, array_flip($children)),
      ];
    }
    return $element;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AccountHeaderElement::getInfo	public	function	Returns the element properties for this element. Overrides ElementInterface::getInfo
AccountHeaderElement::preRenderAccountHeaderElement	public static	function	Returns an array that can be provided as an item in an item_list.
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginBase::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object.	92
RenderElement::preRenderAjaxForm	public static	function	Adds Ajax information about an element to communicate with JavaScript.
RenderElement::preRenderGroup	public static	function	Adds members of this group as actual elements for rendering.
RenderElement::processAjaxForm	public static	function	Form element processing handler for the #ajax form property.	1
RenderElement::processGroup	public static	function	Arranges elements into groups.
RenderElement::setAttributes	public static	function	Sets a form element's class attribute. Overrides ElementInterface::setAttributes
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
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.