Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\Ajax;
Chris@0: 
Chris@0: /**
Chris@0:  * An AJAX command for calling the jQuery css() method.
Chris@0:  *
Chris@0:  * The 'css' command will instruct the client to use the jQuery css() method to
Chris@0:  * apply the CSS arguments to elements matched by the given selector.
Chris@0:  *
Chris@0:  * This command is implemented by Drupal.AjaxCommands.prototype.css() defined
Chris@0:  * in misc/ajax.js.
Chris@0:  *
Chris@0:  * @see http://docs.jquery.com/CSS/css#properties
Chris@0:  *
Chris@0:  * @ingroup ajax
Chris@0:  */
Chris@0: class CssCommand implements CommandInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * A CSS selector string.
Chris@0:    *
Chris@0:    * If the command is a response to a request from an #ajax form element then
Chris@0:    * this value can be NULL.
Chris@0:    *
Chris@0:    * @var string
Chris@0:    */
Chris@0:   protected $selector;
Chris@0: 
Chris@0:   /**
Chris@0:    * An array of property/value pairs to set in the CSS for the selector.
Chris@0:    *
Chris@0:    * @var array
Chris@0:    */
Chris@0:   protected $css = [];
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a CssCommand object.
Chris@0:    *
Chris@0:    * @param string $selector
Chris@0:    *   A CSS selector for elements to which the CSS will be applied.
Chris@0:    * @param array $css
Chris@0:    *   An array of CSS property/value pairs to set.
Chris@0:    */
Chris@0:   public function __construct($selector, array $css = []) {
Chris@0:     $this->selector = $selector;
Chris@0:     $this->css = $css;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Adds a property/value pair to the CSS to be added to this element.
Chris@0:    *
Chris@0:    * @param $property
Chris@0:    *   The CSS property to be changed.
Chris@0:    * @param $value
Chris@0:    *   The new value of the CSS property.
Chris@0:    *
Chris@0:    * @return $this
Chris@0:    */
Chris@0:   public function setProperty($property, $value) {
Chris@0:     $this->css[$property] = $value;
Chris@0:     return $this;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Implements Drupal\Core\Ajax\CommandInterface:render().
Chris@0:    */
Chris@0:   public function render() {
Chris@0: 
Chris@0:     return [
Chris@0:       'command' => 'css',
Chris@0:       'selector' => $this->selector,
Chris@0:       'argument' => $this->css,
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0: }