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<?php |
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/** |
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* @file |
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* Allows to flexibly create, browse and select entities. |
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*/ |
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use \Drupal\Core\Form\FormStateInterface; |
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use \Drupal\Core\Render\Element; |
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use Drupal\Core\Url; |
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/** |
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* Implements hook_theme(). |
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* |
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* Overrides the core html theme to use a custom template for iframes. |
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*/ |
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function entity_browser_theme() { |
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return [ |
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'html__entity_browser__iframe' => [ |
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'template' => 'html--entity-browser--iframe', |
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'render element' => 'html', |
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'preprocess functions' => ['template_preprocess_html'] |
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], |
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'html__entity_browser__modal' => [ |
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'template' => 'html--entity-browser--iframe', |
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'render element' => 'html', |
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'preprocess functions' => ['template_preprocess_html'] |
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], |
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'page__entity_browser__iframe' => [ |
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'template' => 'page--entity-browser--iframe', |
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'render element' => 'html', |
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'preprocess functions' => ['template_preprocess_page'] |
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], |
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'page__entity_browser__modal' => [ |
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'template' => 'page--entity-browser--iframe', |
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'render element' => 'html', |
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'preprocess functions' => ['template_preprocess_page'] |
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], |
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]; |
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} |
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/** |
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* Implements hook_form_alter(). |
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*/ |
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function entity_browser_form_alter(&$form, FormStateInterface &$form_state) { |
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$entity_browser_dialog_edit = \Drupal::service('request_stack')->getCurrentRequest()->get('_route'); |
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if ($entity_browser_dialog_edit == 'entity_browser.edit_form') { |
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// Let's allow the save button only. |
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foreach (Element::children($form['actions']) as $key) { |
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$form['actions'][$key]['#access'] = $key == 'submit'; |
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} |
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// Use Ajax. |
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$form['actions']['submit']['#ajax'] = [ |
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'url' => Url::fromRoute('entity_browser.edit_form', ['entity_type' => $form_state->getFormObject()->getEntity()->getEntityTypeId(), 'entity' => $form_state->getFormObject()->getEntity()->id()]) |
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]; |
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} |
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} |
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/** |
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* Implements hook_preprocess_page__entity_browser__iframe(). |
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* |
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* Tries to figure out where messages block lives and display it separately. |
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*/ |
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function entity_browser_preprocess_page__entity_browser__iframe(&$variables) { |
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$variables['messages'] = ''; |
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$blocks = \Drupal::entityTypeManager()->getStorage('block')->loadByProperties([ |
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'theme' => \Drupal::theme()->getActiveTheme()->getName(), |
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'plugin' => 'system_messages_block', |
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]); |
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if (($messages = current($blocks)) && !empty($variables['page'][$messages->getRegion()][$messages->id()])) { |
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$variables['messages'] = $variables['page'][$messages->getRegion()][$messages->id()]; |
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} |
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} |
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/** |
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* Implements hook_preprocess_page__entity_browser__modal(). |
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* |
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* Tries to figure out where messages block lives and display it separately. |
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*/ |
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function entity_browser_preprocess_page__entity_browser__modal(&$variables) { |
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entity_browser_preprocess_page__entity_browser__iframe($variables); |
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} |
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drupal-media /
entity_browser
