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<?php
namespace Drupal\ds\Form;
use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\ds\Ds;
use Symfony\Component\DependencyInjection\ContainerInterface;
class ChangeLayoutForm extends FormBase {
protected $entityTypeManager;
protected $entityFieldManager;
public function __construct(EntityTypeManagerInterface $entityTypeManager, EntityFieldManagerInterface $entityFieldManager) {
$this->entityTypeManager = $entityTypeManager;
$this->entityFieldManager = $entityFieldManager;
}
public static function create(ContainerInterface $container) {
return new static($container
->get('entity_type.manager'), $container
->get('entity_field.manager'));
}
public function getFormId() {
return 'ds_change_layout';
}
public function buildForm(array $form, FormStateInterface $form_state, $entity_type = '', $bundle = '', $display_mode = '', $new_layout = '') {
$old_layout = NULL;
$all_layouts = Ds::getLayouts();
if (!empty($entity_type) && !empty($bundle) && !empty($display_mode)) {
$display = $this->entityTypeManager
->getStorage('entity_view_display')
->load($entity_type . '.' . $bundle . '.' . $display_mode);
$old_layout = $display
->getThirdPartySettings('ds');
}
if ($old_layout && isset($all_layouts[$new_layout])) {
$new_layout_key = $new_layout;
$new_layout = $all_layouts[$new_layout];
$old_layout_info = $all_layouts[$old_layout['layout']['id']];
$form['#entity_type'] = $entity_type;
$form['#entity_bundle'] = $bundle;
$form['#mode'] = $display_mode;
$form['#old_layout'] = $old_layout;
$form['#old_layout_info'] = $old_layout_info;
$form['#new_layout'] = $new_layout;
$form['#new_layout_key'] = $new_layout_key;
$form['info'] = [
'#markup' => $this
->t('You are changing from @old to @new layout for @bundle in @view_mode view mode.', [
'@old' => $old_layout_info
->getLabel(),
'@new' => $new_layout
->getLabel(),
'@bundle' => $bundle,
'@view_mode' => $display_mode,
]),
'#prefix' => "<div class='change-ds-layout-info'>",
'#suffix' => "</div>",
];
$regions = [];
foreach ($old_layout_info
->getRegions() as $key => $info) {
$regions[$key] = $info['label'];
}
$context = [
'entity_type' => $entity_type,
'bundle' => $bundle,
'view_mode' => $display_mode,
];
$region_info = [
'region_options' => $regions,
];
\Drupal::moduleHandler()
->alter('ds_layout_region', $context, $region_info);
$regions = $region_info['region_options'];
$save_regions = [];
foreach ($regions as $key => $info) {
$save_regions[$key] = [
'label' => $info,
];
}
$form['#old_layout_info']
->setRegions($save_regions);
$new_regions = [];
foreach ($new_layout
->getRegions() as $key => $info) {
$new_regions[$key] = $info['label'];
}
$region_info = [
'region_options' => $new_regions,
];
\Drupal::moduleHandler()
->alter('ds_layout_region', $context, $region_info);
$new_layout
->setRegions($region_info['region_options']);
$selectable_regions = [
'' => $this
->t('- None -'),
] + $new_layout
->getRegions();
$form['regions_pre']['#markup'] = '<div class="ds-layout-regions">';
foreach ($regions as $region => $region_title) {
$form['region_' . $region] = [
'#type' => 'container',
];
$form['region_' . $region]['ds_label_' . $region] = [
'#markup' => 'Fields in <span class="change-ds-layout-old-region"> ' . $region_title . '</span> go into',
];
$form['region_' . $region]['ds_' . $region] = [
'#type' => 'select',
'#options' => $layout_options = $selectable_regions,
'#default_value' => $region,
];
}
$form['regions_post']['#markup'] = '</div>';
$form['preview'] = [
'#type' => 'container',
'#prefix' => '<div class="ds-layout-preview">',
'#suffix' => '</div>',
];
$fallback_image = drupal_get_path('module', 'ds') . '/images/preview.png';
$old_image = $old_layout_info
->getIconPath() ?: $fallback_image;
$new_image = $new_layout
->getIconPath() ?: $fallback_image;
$arrow = drupal_get_path('module', 'ds') . '/images/arrow.png';
$form['preview']['old_layout'] = [
'#markup' => '<div class="ds-layout-preview-image"><img src="' . base_path() . $old_image . '"/></div>',
];
$form['preview']['arrow'] = [
'#markup' => '<div class="ds-layout-preview-arrow"><img src="' . base_path() . $arrow . '"/></div>',
];
$form['preview']['new_layout'] = [
'#markup' => '<div class="ds-layout-preview-image"><img src="' . base_path() . $new_image . '"/></div>',
];
$form['#attached']['library'][] = 'ds/admin';
$form['actions'] = [
'#type' => 'actions',
];
$form['actions']['submit'] = [
'#type' => 'submit',
'#value' => $this
->t('Save'),
'#prefix' => '<div class="ds-layout-change-save">',
'#suffix' => '</div>',
];
}
else {
$form['nothing'] = [
'#markup' => $this
->t('No valid configuration found.'),
];
}
return $form;
}
public function submitForm(array &$form, FormStateInterface $form_state) {
$old_layout = $form['#old_layout'];
$new_layout = $form['#new_layout'];
$old_layout_info = $form['#old_layout_info'];
$new_layout_key = $form['#new_layout_key'];
$entity_type = $form['#entity_type'];
$bundle = $form['#entity_bundle'];
$display_mode = $form['#mode'];
$third_party_settings = $old_layout;
$third_party_settings['layout']['id'] = $new_layout_key;
$third_party_settings['layout']['library'] = NULL;
if ($library = $new_layout
->getLibrary()) {
$third_party_settings['layout']['library'] = $library;
}
unset($third_party_settings['regions']);
$third_party_settings['layout']['settings']['wrappers'] = [];
foreach ($new_layout
->getRegions() as $region_name => $content) {
$third_party_settings['layout']['settings']['wrappers'][$region_name] = 'div';
}
$fields = [];
foreach ($old_layout_info
->getRegions() as $region => $region_title) {
$new_region = $form_state
->getValue('ds_' . $region);
if ($new_region != '' && isset($old_layout['regions'][$region])) {
foreach ($old_layout['regions'][$region] as $field) {
if (!isset($third_party_settings['regions'][$new_region])) {
$third_party_settings['regions'][$new_region] = [];
}
$third_party_settings['regions'][$new_region][] = $field;
$fields[$field] = $new_region;
}
}
}
$entity_display = $this->entityTypeManager
->getStorage('entity_view_display')
->load($entity_type . '.' . $bundle . '.' . $display_mode);
foreach (array_keys($third_party_settings) as $key) {
$entity_display
->setThirdPartySetting('ds', $key, $third_party_settings[$key]);
}
foreach ($entity_display
->getComponents() as $name => $options) {
if (isset($options['region']) && isset($fields[$name])) {
$options['region'] = $fields[$name];
$entity_display
->setComponent($name, $options);
}
}
$groups = $entity_display
->getThirdPartySettings('field_group');
if (!empty($groups)) {
foreach (array_keys($groups) as $group_name) {
$region = 'hidden';
if (isset($fields[$group_name])) {
$region = $fields[$group_name];
}
$groups[$group_name]['region'] = $region;
$entity_display
->setThirdPartySetting('field_group', $group_name, $groups[$group_name]);
}
}
$entity_display
->save();
$this->entityFieldManager
->clearCachedFieldDefinitions();
$this
->messenger()
->addMessage($this
->t('The layout change has been saved.'));
}
}