public function Section::insertComponent in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/layout_builder/src/Section.php \Drupal\layout_builder\Section::insertComponent()

Inserts a component at a specified delta.

Parameters

int $delta: The zero-based delta in which to insert the component.

\Drupal\layout_builder\SectionComponent $new_component: The component being inserted.

Return value

$this

Throws

\OutOfBoundsException Thrown when the specified delta is invalid.

1 call to Section::insertComponent()

Section::insertAfterComponent in core/modules/layout_builder/src/Section.php

Inserts a component after a specified existing component.

File

core/modules/layout_builder/src/Section.php, line 295

Class

Section

Provides a domain object for layout sections.

Namespace

Drupal\layout_builder

Code

public function insertComponent($delta, SectionComponent $new_component) {
  $components = $this
    ->getComponentsByRegion($new_component
    ->getRegion());
  $count = count($components);
  if ($delta > $count) {
    throw new \OutOfBoundsException(sprintf('Invalid delta "%s" for the "%s" component', $delta, $new_component
      ->getUuid()));
  }

  // If the delta is the end of the list, append the component instead.
  if ($delta === $count) {
    return $this
      ->appendComponent($new_component);
  }

  // Find the weight of the component that exists at the specified delta.
  $weight = array_values($components)[$delta]
    ->getWeight();
  $this
    ->setComponent($new_component
    ->setWeight($weight++));

  // Increase the weight of every subsequent component.
  foreach (array_slice($components, $delta) as $component) {
    $component
      ->setWeight($weight++);
  }
  return $this;
}