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annotate core/lib/Drupal/Core/Ajax/CommandWithAttachedAssetsTrait.php @ 19:fa3358dc1485 tip
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author | Chris Cannam |
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date | Wed, 28 Aug 2019 13:14:47 +0100 |
parents | 4c8ae668cc8c |
children |
rev | line source |
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Chris@0 | 1 <?php |
Chris@0 | 2 |
Chris@0 | 3 namespace Drupal\Core\Ajax; |
Chris@0 | 4 |
Chris@0 | 5 use Drupal\Core\Asset\AttachedAssets; |
Chris@0 | 6 |
Chris@0 | 7 /** |
Chris@0 | 8 * Trait for Ajax commands that render content and attach assets. |
Chris@0 | 9 * |
Chris@0 | 10 * @ingroup ajax |
Chris@0 | 11 */ |
Chris@0 | 12 trait CommandWithAttachedAssetsTrait { |
Chris@0 | 13 |
Chris@0 | 14 /** |
Chris@0 | 15 * The attached assets for this Ajax command. |
Chris@0 | 16 * |
Chris@0 | 17 * @var \Drupal\Core\Asset\AttachedAssets |
Chris@0 | 18 */ |
Chris@0 | 19 protected $attachedAssets; |
Chris@0 | 20 |
Chris@0 | 21 /** |
Chris@0 | 22 * Processes the content for output. |
Chris@0 | 23 * |
Chris@0 | 24 * If content is a render array, it may contain attached assets to be |
Chris@0 | 25 * processed. |
Chris@0 | 26 * |
Chris@0 | 27 * @return string|\Drupal\Component\Render\MarkupInterface |
Chris@0 | 28 * HTML rendered content. |
Chris@0 | 29 */ |
Chris@0 | 30 protected function getRenderedContent() { |
Chris@0 | 31 $this->attachedAssets = new AttachedAssets(); |
Chris@0 | 32 if (is_array($this->content)) { |
Chris@0 | 33 $html = \Drupal::service('renderer')->renderRoot($this->content); |
Chris@0 | 34 $this->attachedAssets = AttachedAssets::createFromRenderArray($this->content); |
Chris@0 | 35 return $html; |
Chris@0 | 36 } |
Chris@0 | 37 else { |
Chris@0 | 38 return $this->content; |
Chris@0 | 39 } |
Chris@0 | 40 } |
Chris@0 | 41 |
Chris@0 | 42 /** |
Chris@0 | 43 * Gets the attached assets. |
Chris@0 | 44 * |
Chris@0 | 45 * @return \Drupal\Core\Asset\AttachedAssets|null |
Chris@0 | 46 * The attached assets for this command. |
Chris@0 | 47 */ |
Chris@0 | 48 public function getAttachedAssets() { |
Chris@0 | 49 return $this->attachedAssets; |
Chris@0 | 50 } |
Chris@0 | 51 |
Chris@0 | 52 } |