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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, | |
); | |
} | |
} | |