FieldInstanceWidgetSettings.php

<?php

namespace Drupal\field\Plugin\migrate\process\d6;

use Drupal\migrate\Attribute\MigrateProcess;
use Drupal\migrate\MigrateExecutableInterface;
use Drupal\migrate\ProcessPluginBase;
use Drupal\migrate\Row;
// cspell:ignore filefield imagefield optionwidgets

/**
 * Get the field instance widget settings.
 */
class FieldInstanceWidgetSettings extends ProcessPluginBase {
    
    /**
     * {@inheritdoc}
     *
     * Get the field instance default/mapped widget settings.
     */
    public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
        [
            $widget_type,
            $widget_settings,
        ] = $value;
        return $this->getSettings($widget_type, $widget_settings);
    }
    
    /**
     * Merge the default D8 and specified D6 settings for a widget type.
     *
     * @param string $widget_type
     *   The widget type.
     * @param array $widget_settings
     *   The widget settings from D6 for this widget.
     *
     * @return array
     *   A valid array of settings.
     */
    public function getSettings($widget_type, $widget_settings) {
        $progress = $widget_settings['progress_indicator'] ?? 'throbber';
        $size = $widget_settings['size'] ?? 60;
        $rows = $widget_settings['rows'] ?? 5;
        $settings = [
            'text_textfield' => [
                'size' => $size,
                'placeholder' => '',
            ],
            'text_textarea' => [
                'rows' => $rows,
                'placeholder' => '',
            ],
            'number' => [
                'placeholder' => '',
            ],
            'email_textfield' => [
                'placeholder' => '',
            ],
            'link' => [
                'placeholder_url' => '',
                'placeholder_title' => '',
            ],
            'filefield_widget' => [
                'progress_indicator' => $progress,
            ],
            'imagefield_widget' => [
                'progress_indicator' => $progress,
                'preview_image_style' => 'thumbnail',
            ],
            'optionwidgets_onoff' => [
                'display_label' => FALSE,
            ],
            'phone_textfield' => [
                'placeholder' => '',
            ],
        ];
        return $settings[$widget_type] ?? [];
    }

}