Version 1

[yaffs-website] / web / core / lib / Drupal / Core / Ajax / ChangedCommand.php

diff --git a/web/core/lib/Drupal/Core/Ajax/ChangedCommand.php b/web/core/lib/Drupal/Core/Ajax/ChangedCommand.php
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+++ b/web/core/lib/Drupal/Core/Ajax/ChangedCommand.php
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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,
+    ];
+  }
+
+}