Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\text;
Chris@0: 
Chris@0: use Drupal\Core\TypedData\DataDefinitionInterface;
Chris@0: use Drupal\Core\TypedData\TypedDataInterface;
Chris@0: use Drupal\Core\TypedData\TypedData;
Chris@0: 
Chris@0: /**
Chris@0:  * A computed property for processing text with a format.
Chris@0:  *
Chris@0:  * Required settings (below the definition's 'settings' key) are:
Chris@0:  *  - text source: The text property containing the to be processed text.
Chris@0:  */
Chris@0: class TextProcessed extends TypedData {
Chris@0: 
Chris@0:   /**
Chris@0:    * Cached processed text.
Chris@0:    *
Chris@0:    * @var string|null
Chris@0:    */
Chris@0:   protected $processed = NULL;
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function __construct(DataDefinitionInterface $definition, $name = NULL, TypedDataInterface $parent = NULL) {
Chris@0:     parent::__construct($definition, $name, $parent);
Chris@0: 
Chris@0:     if ($definition->getSetting('text source') === NULL) {
Chris@0:       throw new \InvalidArgumentException("The definition's 'text source' key has to specify the name of the text property to be processed.");
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getValue() {
Chris@0:     if ($this->processed !== NULL) {
Chris@0:       return $this->processed;
Chris@0:     }
Chris@0: 
Chris@0:     $item = $this->getParent();
Chris@0:     $text = $item->{($this->definition->getSetting('text source'))};
Chris@0: 
Chris@0:     // Avoid running check_markup() on empty strings.
Chris@0:     if (!isset($text) || $text === '') {
Chris@0:       $this->processed = '';
Chris@0:     }
Chris@0:     else {
Chris@0:       $this->processed = check_markup($text, $item->format, $item->getLangcode());
Chris@0:     }
Chris@0:     return $this->processed;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function setValue($value, $notify = TRUE) {
Chris@0:     $this->processed = $value;
Chris@0:     // Notify the parent of any changes.
Chris@0:     if ($notify && isset($this->parent)) {
Chris@0:       $this->parent->onChange($this->name);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0: }