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- <?php
- namespace Drupal\Core\Ajax;
- /**
- * An AJAX command for marking HTML elements as changed.
- *
- * This command instructs the client to mark each of the elements matched by the
- * given selector as 'ajax-changed'.
- *
- * This command is implemented by Drupal.AjaxCommands.prototype.changed()
- * defined in misc/ajax.js.
- *
- * @ingroup ajax
- */
- class ChangedCommand implements CommandInterface {
- /**
- * A CSS selector string.
- *
- * If the command is a response to a request from an #ajax form element then
- * this value can be NULL.
- *
- * @var string
- */
- protected $selector;
- /**
- * An optional CSS selector for elements to which asterisks will be appended.
- *
- * @var string
- */
- protected $asterisk;
- /**
- * Constructs a ChangedCommand object.
- *
- * @param string $selector
- * CSS selector for elements to be marked as changed.
- * @param string $asterisk
- * CSS selector for elements to which an asterisk will be appended.
- */
- public function __construct($selector, $asterisk = '') {
- $this->selector = $selector;
- $this->asterisk = $asterisk;
- }
- /**
- * Implements Drupal\Core\Ajax\CommandInterface:render().
- */
- public function render() {
- return [
- 'command' => 'changed',
- 'selector' => $this->selector,
- 'asterisk' => $this->asterisk,
- ];
- }
- }
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