class SettingsCommand in Drupal 9

AJAX command for adjusting Drupal's JavaScript settings.

The 'settings' command instructs the client either to use the given array as the settings for ajax-loaded content or to extend drupalSettings with the given array, depending on the value of the $merge parameter.

This command is implemented by Drupal.AjaxCommands.prototype.settings() defined in misc/ajax.js.

Hierarchy

• class \Drupal\Core\Ajax\SettingsCommand implements CommandInterface

Related topics

Ajax API

Overview for Drupal's Ajax API.

3 files declare their use of SettingsCommand

AjaxCommandsTest.php in core/tests/Drupal/Tests/Core/Ajax/AjaxCommandsTest.php

ajax_forms_test.module in core/modules/system/tests/modules/ajax_forms_test/ajax_forms_test.module

Simpletest mock module for Ajax forms testing.

FrameworkTest.php in core/modules/system/tests/src/Functional/Ajax/FrameworkTest.php

File

core/lib/Drupal/Core/Ajax/SettingsCommand.php, line 17

Namespace

Drupal\Core\Ajax

class SettingsCommand implements CommandInterface {

  /**
   * An array of key/value pairs of JavaScript settings.
   *
   * This will be used for all commands after this if they do not include their
   * own settings array.
   *
   * @var array
   */
  protected $settings;

  /**
   * Whether the settings should be merged into the global drupalSettings.
   *
   * By default (FALSE), the settings that are passed to Drupal.attachBehaviors
   * will not include the global drupalSettings.
   *
   * @var bool
   */
  protected $merge;

  /**
   * Constructs a SettingsCommand object.
   *
   * @param array $settings
   *   An array of key/value pairs of JavaScript settings.
   * @param bool $merge
   *   Whether the settings should be merged into the global drupalSettings.
   */
  public function __construct(array $settings, $merge = FALSE) {
    $this->settings = $settings;
    $this->merge = $merge;
  }

  /**
   * Implements Drupal\Core\Ajax\CommandInterface:render().
   */
  public function render() {
    return [
      'command' => 'settings',
      'settings' => $this->settings,
      'merge' => $this->merge,
    ];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
SettingsCommand::$merge	protected	property	Whether the settings should be merged into the global drupalSettings.
SettingsCommand::$settings	protected	property	An array of key/value pairs of JavaScript settings.
SettingsCommand::render	public	function	Implements Drupal\Core\Ajax\CommandInterface:render(). Overrides CommandInterface::render
SettingsCommand::__construct	public	function	Constructs a SettingsCommand object.