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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\Ajax\DataCommand. | |
| */ | |
| namespace Drupal\Core\Ajax; | |
| /** | |
| * An AJAX command for implementing jQuery's data() method. | |
| * | |
| * This instructs the client to attach the name=value pair of data to the | |
| * selector via jQuery's data cache. | |
| * | |
| * This command is implemented by Drupal.AjaxCommands.prototype.data() defined | |
| * in misc/ajax.js. | |
| * | |
| * @ingroup ajax | |
| */ | |
| class DataCommand implements CommandInterface { | |
| /** | |
| * A CSS selector string for elements to which data will be attached. | |
| * | |
| * If the command is a response to a request from an #ajax form element then | |
| * this value can be NULL. | |
| * | |
| * @var string | |
| */ | |
| protected $selector; | |
| /** | |
| * The key of the data attached to elements matched by the selector. | |
| * | |
| * @var string | |
| */ | |
| protected $name; | |
| /** | |
| * The value of the data to be attached to elements matched by the selector. | |
| * | |
| * The data is not limited to strings; it can be any format. | |
| * | |
| * @var mixed | |
| */ | |
| protected $value; | |
| /** | |
| * Constructs a DataCommand object. | |
| * | |
| * @param string $selector | |
| * A CSS selector for the elements to which the data will be attached. | |
| * @param string $name | |
| * The key of the data to be attached to elements matched by the selector. | |
| * @param type $value | |
| * The value of the data to be attached to elements matched by the selector. | |
| */ | |
| public function __construct($selector, $name, $value) { | |
| $this->selector = $selector; | |
| $this->name = $name; | |
| $this->value = $value; | |
| } | |
| /** | |
| * Implements Drupal\Core\Ajax\CommandInterface:render(). | |
| */ | |
| public function render() { | |
| return array( | |
| 'command' => 'data', | |
| 'selector' => $this->selector, | |
| 'name' => $this->name, | |
| 'value' => $this->value, | |
| ); | |
| } | |
| } | |