class ScrollTopCommand

Same name in this branch
  1. 10 core/modules/views/src/Ajax/ScrollTopCommand.php \Drupal\views\Ajax\ScrollTopCommand
Same name in other branches
  1. 9 core/modules/views/src/Ajax/ScrollTopCommand.php \Drupal\views\Ajax\ScrollTopCommand
  2. 8.9.x core/modules/views/src/Ajax/ScrollTopCommand.php \Drupal\views\Ajax\ScrollTopCommand
  3. 11.x core/modules/views/src/Ajax/ScrollTopCommand.php \Drupal\views\Ajax\ScrollTopCommand
  4. 11.x core/lib/Drupal/Core/Ajax/ScrollTopCommand.php \Drupal\Core\Ajax\ScrollTopCommand

Provides an AJAX command for scrolling to the top of an element.

This command is implemented in Drupal.AjaxCommands.prototype.scrollTop.

Hierarchy

Expanded class hierarchy of ScrollTopCommand

2 files declare their use of ScrollTopCommand
ScrollTopCommand.php in core/modules/views/src/Ajax/ScrollTopCommand.php
ViewAjaxController.php in core/modules/views/src/Controller/ViewAjaxController.php

File

core/lib/Drupal/Core/Ajax/ScrollTopCommand.php, line 10

Namespace

Drupal\Core\Ajax
View source 
class ScrollTopCommand implements CommandInterface {
    
    /**
     * A CSS selector string.
     *
     * @var string
     */
    protected $selector;
    
    /**
     * Constructs a \Drupal\Core\Ajax\ScrollTopCommand object.
     *
     * @param string $selector
     *   A CSS selector.
     */
    public function __construct($selector) {
        $this->selector = $selector;
    }
    
    /**
     * {@inheritdoc}
     */
    public function render() : array {
        return [
            'command' => 'scrollTop',
            'selector' => $this->selector,
        ];
    }

}

Members

Title Modifiers Object type Summary Overriden Title
ScrollTopCommand::$selector protected property A CSS selector string.
ScrollTopCommand::render public function Return an array to be run through json_encode and sent to the client. Overrides CommandInterface::render
ScrollTopCommand::__construct public function Constructs a \Drupal\Core\Ajax\ScrollTopCommand object.

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