skillset_inview-8.x-1.x-dev/src/Plugin/Field/FieldType/SkillsetItem.php

<?php
namespace Drupal\skillset_inview\Plugin\Field\FieldType;

use Drupal\Core\Field\FieldItemBase;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\TypedData\DataDefinition;

/**
 * Plugin implementation of the 'skillset_item' field type.
 *
 * @FieldType(
 *   id = "skillset_item",
 *   label = @Translation("Skillset Item"),
 *   module = "skillset_inview",
 *   description = @Translation("Stores a title and a percentage value for a skillset."),
 *   default_widget = "skillset_item_widget",
 *   default_formatter = "skillset_item_formatter"
 * )
 */
class SkillsetItem extends FieldItemBase {

  /**
   * {@inheritdoc}
   */
  public static function schema(FieldStorageDefinitionInterface $field_definition) {
    return [
      'columns' => [
        'title' => [
          'type' => 'varchar',
          'length' => 255,
          'not null' => FALSE,
        ],
        'percentage' => [
          'type' => 'float',
          'not null' => FALSE,
        ],
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function isEmpty() {
    $title = $this->get('title')->getValue();
    $percentage = $this->get('percentage')->getValue();
    return $title === NULL || $title === '' || $percentage === NULL;
  }

  /**
   * {@inheritdoc}
   */
  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
    $properties['title'] = DataDefinition::create('string')
      ->setLabel(t('Title'))
      ->setRequired(TRUE);

    $properties['percentage'] = DataDefinition::create('float')
      ->setLabel(t('Percentage'))
      ->setRequired(TRUE);

    return $properties;
  }

  /**
   * {@inheritdoc}
   */
  public function getValue() {
    return [
      'title' => $this->get('title')->getValue(),
      'percentage' => $this->get('percentage')->getValue(),
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function setValue($values, $notify = TRUE) {
    $this->set('title', $values['title']);
    $this->set('percentage', $values['percentage']);
    parent::setValue($values, $notify);
  }

  /**
   * {@inheritdoc}
   */
  public function setProperty($property_name, $value) {
    parent::setProperty($property_name, $value);
  }
}