ColorField.php

<?php

namespace Drupal\color_field\Plugin\migrate\field;

use Drupal\migrate\Plugin\MigrationInterface;
use Drupal\migrate_drupal\Plugin\migrate\field\FieldPluginBase;

/**
 * Field Plugin for color field migrations.
 *
 * @MigrateField(
 *   id = "color_field",
 *   core = {7},
 *   type_map = {
 *     "color_field_rgb" = "color_field_type",
 *   },
 *   source_module = "color_field",
 *   destination_module = "color_field",
 * )
 */
class ColorField extends FieldPluginBase {
    
    /**
     * {@inheritdoc}
     */
    public function defineValueProcessPipeline(MigrationInterface $migration, $field_name, $data) {
        $process = [
            'plugin' => 'sub_process',
            'source' => $field_name,
            'process' => [
                'color' => 'rgb',
                'opacity' => 'opacity',
            ],
        ];
        $migration->setProcessOfProperty($field_name, $process);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getFieldWidgetMap() {
        return [
            'color_field_default_widget' => 'color_field_widget_box',
            'color_field_simple_widget' => 'color_field_widget_grid',
            'color_field_spectrum_widget' => 'color_field_widget_html5',
            'color_field_plain_text' => 'color_field_widget_default',
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    public function getFieldFormatterMap() {
        return [
            'color_field_default_formatter' => 'color_field_formatter_text',
            'color_field_css_declaration' => 'color_field_formatter_css',
            'color_field_swatch' => 'color_field_formatter_swatch',
        ];
    }

}