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<?php |
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/** |
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* Contains \Drupal\entity_browser\Plugin\EntityBrowser\SelectionDisplay\NewDisplay. |
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*/ |
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namespace Drupal\entity_browser\Plugin\EntityBrowser\SelectionDisplay; |
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use Drupal\Component\Utility\Html; |
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use Drupal\Component\Utility\NestedArray; |
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use Drupal\Core\Form\FormStateInterface; |
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use Drupal\entity_browser\SelectionDisplayBase; |
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/** |
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* Show current selection and delivers selected entities. |
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* |
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* @EntityBrowserSelectionDisplay( |
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* id = "new_display", |
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* label = @Translation("New selection display"), |
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* description = @Translation("Show current selection display and delivers selected entities.") |
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* ) |
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*/ |
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class NewDisplay extends SelectionDisplayBase { |
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/** |
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* {@inheritdoc} |
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*/ |
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public function defaultConfiguration() { |
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return array( |
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'view' => NULL, |
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'view_display' => NULL, |
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) + parent::defaultConfiguration(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getForm(array &$original_form, FormStateInterface $form_state) { |
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$form = []; |
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$form['#attached']['library'][] = 'entity_browser/new_display'; |
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$selected_entities = $form_state->get(['entity_browser', 'selected_entities']); |
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$ids = array_keys($selected_entities); |
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$hidden_id = Html::getUniqueId('edit-selected-target-id'); |
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$details_id = Html::getUniqueId('edit-selected'); |
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$form += [ |
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'#id' => $details_id, |
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'#type' => 'details', |
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'#open' => !empty($ids), |
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'target_id' => [ |
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'#type' => 'hidden', |
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'#id' => $hidden_id, |
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// We need to repeat ID here as it is otherwise skipped when rendering. |
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'#attributes' => ['id' => $hidden_id], |
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'#default_value' => $ids, |
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// #ajax is officially not supported for hidden elements but if we |
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// specify event manually it works. |
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'#ajax' => [ |
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'callback' => [get_class($this), 'updateWidgetCallback'], |
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'wrapper' => $details_id, |
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'event' => 'entity_browser_selected_updated', |
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], |
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], |
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]; |
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$form['current'] = [ |
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'#theme_wrappers' => ['container'], |
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'#attributes' => ['class' => ['selected-entities-list']], |
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'items' => array_map( |
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function($id) use ($selected_entities, $details_id) { |
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$entity = $selected_entities[$id]; |
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return [ |
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'#theme_wrappers' => ['container'], |
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'#attributes' => [ |
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'class' => ['selected-item-container'], |
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'data-entity-id' => $entity->id() |
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], |
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'display' => ['#markup' => $entity->label()], |
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'remove_button' => [ |
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'#type' => 'submit', |
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'#value' => $this->t('Remove'), |
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'#ajax' => [ |
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'callback' => [get_class($this), 'updateWidgetCallback'], |
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'wrapper' => $details_id, |
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], |
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'#submit' => [[get_class($this), 'removeItemSubmit']], |
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'#name' => 'remove_' . $id, |
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'#attributes' => ['data-entity-id' => $id] |
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], |
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]; |
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}, |
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$ids |
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), |
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]; |
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$form['use_selected'] = array( |
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'#type' => 'submit', |
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'#value' => t('Use selected'), |
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'#name' => 'use_selected', |
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); |
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return $form; |
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} |
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/** |
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* Submit callback for remove buttons. |
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*/ |
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public static function removeItemSubmit(&$form, FormStateInterface $form_state) { |
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$triggering_element = $form_state->getTriggeringElement(); |
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if (!empty($triggering_element['#attributes']['data-entity-id'])) { |
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$id = $triggering_element['#attributes']['data-entity-id']; |
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$parents = array_slice($triggering_element['#parents'], 0, -4); |
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$array_parents = array_slice($triggering_element['#array_parents'], 0, -4); |
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// Find and remove correct entity. |
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$values = explode(' ', $form_state->getValue(array_merge($parents, ['target_id']))); |
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$values = array_filter( |
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$values, |
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function($item) use ($id) { return $item != $id; } |
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); |
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$values = implode(' ', $values); |
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// Set new value for this widget. |
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$target_id_element = &NestedArray::getValue($form, array_merge($array_parents, ['target_id'])); |
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$form_state->setValueForElement($target_id_element, $values); |
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NestedArray::setValue($form_state->getUserInput(), $target_id_element['#parents'], $values); |
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// Rebuild form. |
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$form_state->setRebuild(); |
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} |
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} |
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/** |
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* AJAX form callback. |
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*/ |
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View Code Duplication |
public static function updateWidgetCallback(array &$form, FormStateInterface $form_state) { |
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$trigger = $form_state->getTriggeringElement(); |
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// AJAX requests can be triggered by hidden "target_id" element when entities |
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// are added or by one of the "Remove" buttons. Depending on that we need to |
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// figure out where root of the widget is in the form structure and use this |
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// information to return correct part of the form. |
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if (!empty($trigger['#ajax']['event']) && $trigger['#ajax']['event'] == 'entity_browser_selected_updated') { |
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$parents = array_slice($trigger['#array_parents'], 0, -2); |
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} |
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elseif ($trigger['#type'] == 'submit' && strpos($trigger['#name'], '_remove_')) { |
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$parents = array_slice($trigger['#array_parents'], 0, -4); |
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} |
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return NestedArray::getValue($form, $parents); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function submit(array &$form, FormStateInterface $form_state) { |
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if ($form_state->getTriggeringElement()['#name'] == 'use_selected') { |
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$this->selectionDone($form_state); |
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} |
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} |
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} |
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drupal-media /
entity_browser
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.