/**
* {@inheritdoc}
*/
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)) {
$display = entity_get_display($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'] = array('#markup' => t('You are changing from @old to @new layout for @bundle in @view_mode view mode.', array('@old' => $old_layout_info['label'], '@new' => $new_layout['label'], '@bundle' => $bundle, '@view_mode' => $display_mode)), '#prefix' => "<div class='change-ds-layout-info'>", '#suffix' => "</div>");
// Old region options.
$regions = array();
foreach ($old_layout_info['regions'] as $key => $info) {
$regions[$key] = $info['label'];
}
// Let other modules alter the regions.
// For old regions.
$context = array('entity_type' => $entity_type, 'bundle' => $bundle, 'view_mode' => $display_mode);
$region_info = array('region_options' => $regions);
\Drupal::moduleHandler()->alter('ds_layout_region', $context, $region_info);
$regions = $region_info['region_options'];
$form['#old_layout_info']['layout']['regions'] = $regions;
// For new regions.
$new_regions = array();
foreach ($new_layout['regions'] as $key => $info) {
$new_regions[$key] = $info['label'];
}
$region_info = array('region_options' => $new_regions);
\Drupal::moduleHandler()->alter('ds_layout_region', $context, $region_info);
$new_layout['regions'] = $region_info['region_options'];
$form['#new_layout']['regions'] = $new_layout['regions'];
// Display the region options
$selectable_regions = array('' => t('- None -')) + $new_layout['regions'];
$form['regions_pre']['#markup'] = '<div class="ds-layout-regions">';
foreach ($regions as $region => $region_title) {
$form['region_' . $region] = array('#type' => 'container');
$form['region_' . $region]['ds_label_' . $region] = array('#markup' => 'Fields in <span class="change-ds-layout-old-region"> ' . $region_title . '</span> go into');
$form['region_' . $region]['ds_' . $region] = array('#type' => 'select', '#options' => $layout_options = $selectable_regions, '#default_value' => $region);
}
$form['regions_post']['#markup'] = '</div>';
// Show previews from old and new layouts
$form['preview'] = array('#type' => 'container', '#prefix' => '<div class="ds-layout-preview">', '#suffix' => '</div>');
$fallback_image = drupal_get_path('module', 'ds') . '/images/preview.png';
$old_image = isset($old_layout_info['icon']) && !empty($old_layout_info['icon']) ? $old_layout_info['icon'] : $fallback_image;
$new_image = isset($new_layout['icon']) && !empty($new_layout['icon']) ? $new_layout['icon'] : $fallback_image;
$arrow = drupal_get_path('module', 'ds') . '/images/arrow.png';
$form['preview']['old_layout'] = array('#markup' => '<div class="ds-layout-preview-image"><img src="' . base_path() . $old_image . '"/></div>');
$form['preview']['arrow'] = array('#markup' => '<div class="ds-layout-preview-arrow"><img src="' . base_path() . $arrow . '"/></div>');
$form['preview']['new_layout'] = array('#markup' => '<div class="ds-layout-preview-image"><img src="' . base_path() . $new_image . '"/></div>');
$form['#attached']['library'][] = 'ds/admin';
// Submit button
$form['actions'] = array('#type' => 'actions');
$form['actions']['submit'] = array('#type' => 'submit', '#value' => t('Save'), '#prefix' => '<div class="ds-layout-change-save">', '#suffix' => '</div>');
} else {
$form['nothing'] = array('#markup' => t('No valid configuration found.'));
}
return $form;
}
