Issue #3274968 by yash.rode, huzooka: Migrate Chosen from D7 to D9

 * @see https://harvesthq.github.com/chosen/

 */

use Drupal\Component\Plugin\Exception\PluginException;

use Drupal\Core\Form\FormStateInterface;

use Drupal\Core\Render\Element;

use Drupal\Core\Routing\RouteMatchInterface;

use Drupal\Core\Url;

use Drupal\migrate\Exception\RequirementsException;

use Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase;

/**

 * Define chosen library url.

  }

}

/**

 * Implements hook_migration_plugins_alter().

 */

function chosen_migration_plugins_alter(array &$migrations) {

  // Check if the module is enabled on source site.

  try {

    $variable_source = \Drupal::service('plugin.manager.migration')

      ->createStubMigration([

        'id' => 'foo',

        'idMap' => ['plugin' => 'null'],

        'source' => [

          'plugin' => 'variable',

          'ignore_map' => TRUE,

        ],

        'destination' => ['plugin' => 'null'],

      ])

      ->getSourcePlugin();

    if (!$variable_source instanceof DrupalSqlBase) {

      return;

    }

    $variable_source->checkRequirements();

  }

  catch (PluginException $e) {

    // The 'variable' source plugin isn't available because Migrate Drupal

    // isn't enabled. There is nothing we can do.

    return;

  }

  catch (RequirementsException $e) {

    // The source database is not a Drupal 7 database.

    return;

  }

  $system_data = $variable_source->getSystemData();

  if (empty($system_data['module']['chosen']['status'])) {

    unset($migrations['d7_chosen_settings']);

    return;

  }

  $chosen_migration = array_filter(

    $migrations,

    function ($definition) {

      return $definition['id'] === 'd7_field_instance_widget_settings';

    }

  );

  foreach (array_keys($chosen_migration) as $plugin_id) {

    $migrations[$plugin_id]['process']['options/type'][] = ['plugin' => 'chosen'];

  }

}

id: d7_chosen_settings

label: Chosen settings

migration_tags:

  - Drupal 7

  - Configuration

source:

  plugin: variable

  variables:

    - chosen_minimum_single

    - chosen_minimum_multiple

    - chosen_disable_search_threshold

    - chosen_minimum_width

    - chosen_jquery_selector

    - chosen_search_contains

    - chosen_disable_search

    - chosen_include

    - chosen_allow_single_deselect

    - chosen_placeholder_text_multiple

    - chosen_placeholder_text_single

    - chosen_no_results_text

    - chosen_disabled_themes

  source_module: chosen

process:

  minimum_single:

    plugin: default_value

    source: chosen_minimum_single

    strict: true

    default_value: 20

  minimum_multiple:

    plugin: default_value

    source: chosen_minimum_multiple

    strict: true

    default_value: 20

  disable_search_threshold:

    plugin: default_value

    source: chosen_disable_search_threshold

    strict: true

    default_value: 0

  minimum_width:

    plugin: default_value

    source: chosen_minimum_width

    strict: true

    default_value: ''

  jquery_selector:

    plugin: default_value

    source: chosen_jquery_selector

    strict: true

    default_value: 'select:visible'

  search_contains:

    plugin: default_value

    source: chosen_search_contains

    strict: true

    default_value: FALSE

  disable_search:

    plugin: default_value

    source: chosen_disable_search

    strict: true

    default_value: FALSE

  chosen_include:

    plugin: default_value

    source: chosen_include

    strict: true

    default_value: 2

  allow_single_deselect:

    plugin: default_value

    source: chosen_allow_single_deselect

    strict: true

    default_value: FALSE

  placeholder_text_multiple:

    plugin: default_value

    source: chosen_placeholder_text_multiple

    strict: true

    default_value: 'Choose some options'

  placeholder_text_single:

    plugin: default_value

    source: chosen_placeholder_text_single

    strict: true

    default_value: 'No results match'

  no_results_text:

    plugin: default_value

    source: chosen_no_results_text

    strict: true

    default_value: 'No results match'

  disabled_themes:

    plugin: default_value

    source: chosen_disabled_themes

    default_value: []

destination:

  plugin: config

  config_name: 'chosen.settings'

<?php

namespace Drupal\chosen\Plugin\migrate\process;

use Drupal\migrate\MigrateExecutableInterface;

use Drupal\migrate\ProcessPluginBase;

use Drupal\migrate\Row;

/**

 * Changes widget type based on source field's widget type.

 *

 * @MigrateProcessPlugin(

 *   id = "chosen",

 *   handle_multiples = TRUE

 * )

 */

class Chosen extends ProcessPluginBase {

  /**

   * {@inheritdoc}

   */

  public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {

    if ($value !== 'options_select' || empty($row->getSourceProperty('widget/settings/apply_chosen'))) {

      return $value;

    }

    return 'chosen_select';

  }

}

<?php

// phpcs:ignoreFile

/**

 * @file

 * A database agnostic dump for testing purposes.

 *

 * This file was generated by the Drupal 9.2.6 db-tools.php script.

 */

use Drupal\Core\Database\Database;

$connection = Database::getConnection();

include 'drupal7' . DIRECTORY_SEPARATOR . 'field_config.php';

include 'drupal7' . DIRECTORY_SEPARATOR . 'field_config_instance.php';

include 'drupal7' . DIRECTORY_SEPARATOR . 'node.php';

include 'drupal7' . DIRECTORY_SEPARATOR . 'node_type.php';

include 'drupal7' . DIRECTORY_SEPARATOR . 'system.php';

include 'drupal7' . DIRECTORY_SEPARATOR . 'taxonomy_vocabulary.php';

include 'drupal7' . DIRECTORY_SEPARATOR . 'variable.php';

<?php

// phpcs:ignoreFile

/**

 * @file

 * A database agnostic dump for testing purposes.

 *

 * This file was generated by the Drupal 9.2.6 db-tools.php script.

 */

use Drupal\Core\Database\Database;

$connection = Database::getConnection();

$connection->schema()->createTable('field_config', array(

  'fields' => array(

    'id' => array(

      'type' => 'serial',

      'not null' => TRUE,

      'size' => 'normal',

    ),

    'field_name' => array(

      'type' => 'varchar',

      'not null' => TRUE,

      'length' => '32',

    ),

    'type' => array(

      'type' => 'varchar',

      'not null' => TRUE,

      'length' => '128',

    ),

    'module' => array(

      'type' => 'varchar',

      'not null' => TRUE,

      'length' => '128',

      'default' => '',

    ),

    'active' => array(

      'type' => 'int',

      'not null' => TRUE,

      'size' => 'tiny',

      'default' => '0',

    ),

    'storage_type' => array(

      'type' => 'varchar',

      'not null' => TRUE,

      'length' => '128',

    ),

    'storage_module' => array(

      'type' => 'varchar',

      'not null' => TRUE,

      'length' => '128',

      'default' => '',

    ),

    'storage_active' => array(

      'type' => 'int',

      'not null' => TRUE,

      'size' => 'tiny',

      'default' => '0',

    ),

    'locked' => array(

      'type' => 'int',

      'not null' => TRUE,

      'size' => 'tiny',

      'default' => '0',

    ),

    'data' => array(

      'type' => 'blob',

      'not null' => TRUE,

      'size' => 'big',

    ),

    'cardinality' => array(

      'type' => 'int',

      'not null' => TRUE,

      'size' => 'tiny',

      'default' => '0',

    ),

    'translatable' => array(

      'type' => 'int',

      'not null' => TRUE,

      'size' => 'tiny',

      'default' => '0',

    ),

    'deleted' => array(

      'type' => 'int',

      'not null' => TRUE,

      'size' => 'tiny',

      'default' => '0',

    ),

  ),

  'primary key' => array(

    'id',

  ),

  'indexes' => array(

    'field_name' => array(

      'field_name',

    ),

    'active' => array(

      'active',

    ),

    'storage_active' => array(

      'storage_active',

    ),

    'deleted' => array(

      'deleted',

    ),

    'module' => array(

      'module',

    ),

    'storage_module' => array(

      'storage_module',

    ),

    'type' => array(

      'type',

    ),

    'storage_type' => array(

      'storage_type',

    ),

  ),

  'mysql_character_set' => 'utf8mb3',

));

$connection->insert('field_config')

->fields(array(

  'id',

  'field_name',

  'type',

  'module',

  'active',

  'storage_type',

  'storage_module',

  'storage_active',

  'locked',

  'data',

  'cardinality',

  'translatable',

  'deleted',

))

->values(array(

  'id' => '15',

  'field_name' => 'field_car_type',

  'type' => 'list_text',

  'module' => 'list',

  'active' => '1',

  'storage_type' => 'field_sql_storage',

  'storage_module' => 'field_sql_storage',

  'storage_active' => '1',

  'locked' => '0',

  'data' => 'a:7:{s:12:"translatable";s:1:"0";s:12:"entity_types";a:0:{}s:8:"settings";a:2:{s:14:"allowed_values";a:3:{s:3:"red";s:3:"red";s:4:"blue";s:4:"blue";s:5:"green";s:5:"green";}s:23:"allowed_values_function";s:0:"";}s:7:"storage";a:5:{s:4:"type";s:17:"field_sql_storage";s:8:"settings";a:0:{}s:6:"module";s:17:"field_sql_storage";s:6:"active";s:1:"1";s:7:"details";a:1:{s:3:"sql";a:2:{s:18:"FIELD_LOAD_CURRENT";a:1:{s:25:"field_data_field_car_type";a:1:{s:5:"value";s:20:"field_car_type_value";}}s:19:"FIELD_LOAD_REVISION";a:1:{s:29:"field_revision_field_car_type";a:1:{s:5:"value";s:20:"field_car_type_value";}}}}}s:12:"foreign keys";a:0:{}s:7:"indexes";a:1:{s:5:"value";a:1:{i:0;s:5:"value";}}s:2:"id";s:2:"15";}',

  'cardinality' => '2',

  'translatable' => '0',

  'deleted' => '0',

))

->execute();