public function BlazyManagerBase::attach in Blazy 7

Same name and namespace in other branches

1. 8.2 src/BlazyManagerBase.php \Drupal\blazy\BlazyManagerBase::attach()
2. 8 src/BlazyManagerBase.php \Drupal\blazy\BlazyManagerBase::attach()

Returns array of needed assets suitable for #attached property.

Return value

array Returns the required library array.

Overrides BlazyManagerInterface::attach

1 call to BlazyManagerBase::attach()

BlazyManager::setAttachments in src/BlazyManager.php

Provides attachment and cache for both theme_field() and theme_item_list().

File

src/BlazyManagerBase.php, line 89

Class

BlazyManagerBase

Implements BlazyManagerInterface.

Namespace

Drupal\blazy

Code

public function attach(array $attach) {
  $load = [];
  $lazy = !empty($attach['blazy']) || isset($attach['lazy']) && $attach['lazy'] == 'blazy';

  // Allow both variants of grid or column to co-exist for different fields.
  if (!empty($attach['style'])) {
    foreach ([
      'column',
      'grid',
    ] as $grid) {
      $attach[$grid] = $attach['style'];
    }
  }
  if (!empty($attach['fx']) && $attach['fx'] == 'blur') {
    $load['library'][] = [
      'blazy',
      'fx.blur',
    ];
  }
  foreach ([
    'column',
    'filter',
    'grid',
    'media',
    'ratio',
  ] as $component) {
    if (!empty($attach[$component])) {
      $load['library'][] = [
        'blazy',
        $component,
      ];
    }
  }
  foreach ([
    'lightbox',
    'colorbox',
    'photobox',
  ] as $box) {
    if (!empty($attach[$box])) {
      $load['library'][] = [
        'blazy',
        $box,
      ];
    }
  }

  // Picture integration.
  if (!empty($attach['resimage'])) {
    $load['library'][] = [
      'picture',
      'picturefill_head',
    ];
    $load['library'][] = [
      'picture',
      'picturefill',
    ];
    $load['library'][] = [
      'picture',
      'picture.ajax',
    ];
    if ($lazy) {
      $load['library'][] = [
        'picture',
        'lazysizes',
      ];
      $load['library'][] = [
        'picture',
        'lazysizes_aspect_ratio',
      ];
    }
  }

  // Core Blazy libraries, enforced to prevent JS error when optional.
  $load['js'][] = [
    'data' => [
      'blazy' => $this
        ->config('blazy', BlazyDefault::formSettings()['blazy']),
      'blazyIo' => $this
        ->getIoSettings($attach),
    ],
    'type' => 'setting',
  ];
  $load['library'][] = [
    'blazy',
    'load',
  ];

  // Adds AJAX helper to revalidate IO, if using IO with VIS, or alike.
  if (!empty($attach['use_ajax'])) {
    $load['library'][] = [
      'blazy',
      'bio.ajax',
    ];
  }
  drupal_alter('blazy_attach', $load, $attach);
  return $load;
}