EntityReference::formElement() - Code Metrics - Inspection of "Issue #2614092: Only display the field widget opti..." - drupal-media/entity_browser - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — 8.x-1.x (#123)

unknown

created 2015-12-08 06:30 UTC

EntityReference::formElement() D

↳ Parent: EntityReference

Complexity

Conditions	14
Paths	14

Size

Total Lines	120
Code Lines	75

Duplication

Lines	8
Ratio	6.67 %

Importance

Changes	17
Bugs	1	Features	1

Metric	Value
c	17
b	1
f	1
dl	8
loc	120
rs	4.9517
cc	14
eloc	75
nc	14
nop	5

How to fix Long Method Complexity

<?php

/**
 * @file
 * Contains \Drupal\entity_browser\Plugin\Field\FieldWidget\EntityReference.
 */

namespace Drupal\entity_browser\Plugin\Field\FieldWidget;

use Drupal\Component\Utility\Html;
use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Entity\EntityManagerInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Core\Field\WidgetBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\entity_browser\Events\Events;
use Drupal\entity_browser\Events\RegisterJSCallbacks;
use Drupal\entity_browser\FieldWidgetDisplayManager;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;

/**
 * Plugin implementation of the 'entity_reference' widget for entity browser.

 * @FieldWidget(
 *   id = "entity_browser_entity_reference",
 *   label = @Translation("Entity browser"),
 *   description = @Translation("Uses entity browser to select entities."),
 *   multiple_values = TRUE,
 *   field_types = {
 *     "entity_reference"
 *   }
 * )
 */
class EntityReference extends WidgetBase implements ContainerFactoryPluginInterface {

  /**
   * Entity manager service
   *
   * @var \Drupal\Core\Entity\EntityManagerInterface
   */
  protected $entityManager;

  /**
   * Field widget display plugin manager.
   *
   * @var \Drupal\entity_browser\FieldWidgetDisplayManager
   */
  protected $fieldDisplayManager;

  /**
   * Constructs widget plugin.
   *
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
   *   The definition of the field to which the widget is associated.
   * @param array $settings
   *   The widget settings.
   * @param array $third_party_settings
   *   Any third party settings.
   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
   *   Entity manager service.
   * @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher
   *   Event dispatcher.
   * @param \Drupal\entity_browser\FieldWidgetDisplayManager $field_display_manager
   *   Field widget display plugin manager.
   */
  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, array $third_party_settings, EntityManagerInterface $entity_manager, EventDispatcherInterface $event_dispatcher, FieldWidgetDisplayManager $field_display_manager) {
    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $third_party_settings);
    $this->entityManager = $entity_manager;
    $this->fieldDisplayManager = $field_display_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static(
      $plugin_id,
      $plugin_definition,
      $configuration['field_definition'],
      $configuration['settings'],
      $configuration['third_party_settings'],
      $container->get('entity.manager'),
      $container->get('event_dispatcher'),
      $container->get('plugin.manager.entity_browser.field_widget_display')
    );
  }

  /**
   * {@inheritdoc}
   */
  public static function defaultSettings() {
    return array(
      'entity_browser' => NULL,
      'field_widget_display' => NULL,
      'field_widget_display_settings' => [],
    ) + parent::defaultSettings();
  }

  /**
   * {@inheritdoc}
   */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $element = parent::settingsForm($form, $form_state);

    $browsers = [];
    /** @var \Drupal\entity_browser\EntityBrowserInterface $browser */
    foreach ($this->entityManager->getStorage('entity_browser')->loadMultiple() as $browser) {
      $browsers[$browser->id()] = $browser->label();
    }

    $element['entity_browser'] = [
      '#title' => t('Entity browser'),
      '#type' => 'select',
      '#default_value' => $this->getSetting('entity_browser'),
      '#options' => $browsers,
    ];

    $target_type = $this->fieldDefinition->getFieldStorageDefinition()->getSetting('target_type');
    $entity_type = \Drupal::entityTypeManager()->getStorage($target_type)->getEntityType();

    $displays = [];
    foreach ($this->fieldDisplayManager->getDefinitions() as $id => $definition) {
      if ($this->fieldDisplayManager->createInstance($id)->isApplicable($entity_type)) {
        $displays[$id] = $definition['label'];
      }
    }

    $id = Html::getUniqueId('field-' . $this->fieldDefinition->getName() . '-display-settings-wrapper');
    $element['field_widget_display'] = [
      '#title' => t('Entity display plugin'),
      '#type' => 'select',
      '#default_value' => $this->getSetting('field_widget_display'),
      '#options' => $displays,
      '#ajax' => [
        'callback' => array($this, 'updateSettingsAjax'),
        'wrapper' => $id,
      ],
    ];

    $element['field_widget_display_settings'] = [
      '#type' => 'fieldset',
      '#title' => t('Entity display plugin configuration'),
      '#tree' => TRUE,
      '#prefix' => '<div id="' . $id . '">',
      '#suffix' => '</div>',
    ];

    if ($this->getSetting('field_widget_display')) {
      $element['field_widget_display_settings'] += $this->fieldDisplayManager
        ->createInstance(
          $form_state->getValue(
            ['fields', $this->fieldDefinition->getName(), 'settings_edit_form', 'settings', 'field_widget_display'],
            $this->getSetting('field_widget_display')
          ),
          $form_state->getValue(
            ['fields', $this->fieldDefinition->getName(), 'settings_edit_form', 'settings', 'field_widget_display_settings'],
            $this->getSetting('field_widget_display_settings')
          ) + ['entity_type' => $this->fieldDefinition->getFieldStorageDefinition()->getSetting('target_type')]
        )
        ->settingsForm($form, $form_state);
    }

    return $element;
  }

  /**
   * Ajax callback that updates field widget display settings fieldset.
   */
  public function updateSettingsAjax(array $form, FormStateInterface $form_state) {
    return $form['fields'][$this->fieldDefinition->getName()]['plugin']['settings_edit_form']['settings']['field_widget_display_settings'];
  }

    /**
   * {@inheritdoc}
   */
  public function settingsSummary() {
    $summary = [];
    $entity_browser_id = $this->getSetting('entity_browser');
    $field_widget_display = $this->getSetting('field_widget_display');

    if (empty($entity_browser_id)) {
      return [t('No entity browser selected.')];
    }
    else {
      $browser = $this->entityManager->getStorage('entity_browser')
        ->load($entity_browser_id);
      $summary[] = t('Entity browser: @browser', ['@browser' => $browser->label()]);
    }

    if (!empty($field_widget_display)) {
      $plugin = $this->fieldDisplayManager->getDefinition($field_widget_display);
      $summary[] = t('Entity display: @name', ['@name' => $plugin['label']]);
    }

    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {

    $entity_type = $this->fieldDefinition->getFieldStorageDefinition()->getSetting('target_type');
    $entity_storage = $this->entityManager->getStorage($entity_type);
    $field_widget_display = $this->fieldDisplayManager->createInstance(
      $this->getSetting('field_widget_display'),
      $this->getSetting('field_widget_display_settings') + ['entity_type' => $this->fieldDefinition->getFieldStorageDefinition()->getSetting('target_type')]
    );

    $ids = [];
    $entities = [];
    if (($trigger = $form_state->getTriggeringElement()) && in_array($this->fieldDefinition->getName(), $trigger['#parents'])) {
      // Submit was triggered by hidden "target_id" element when entities were
      // added via entity browser.
      if (!empty($trigger['#ajax']['event']) && $trigger['#ajax']['event'] == 'entity_browser_value_updated') {

        $parents = $trigger['#parents'];
      }
      // Submit was triggered by one of the "Remove" buttons. We need to walk
      // few levels up to read value of "target_id" element.
      elseif ($trigger['#type'] == 'submit' && strpos($trigger['#name'], $this->fieldDefinition->getName() . '_remove_') === 0) {
        $parents = array_merge(array_slice($trigger['#parents'], 0, -4), ['target_id']);
      }

      if (isset($parents) && $value = $form_state->getValue($parents)) {
        $ids = explode(' ', $value);
        $entities = $entity_storage->loadMultiple($ids);
      }
    }
    // We are loading for for the first time so we need to load any existing
    // values that might already exist on the entity. Also, remove any leftover
    // data from removed entity references.
    else {
      foreach ($items as $item) {
        $entity = $entity_storage->load($item->target_id);
        if (!empty($entity)) {
          $entities[$item->target_id] = $entity;
        }
      }
      $ids = array_keys($entities);
    }
    $ids = array_filter($ids);

    $hidden_id = Html::getUniqueId('edit-' . $this->fieldDefinition->getName() . '-target-id');
    $details_id = Html::getUniqueId('edit-' . $this->fieldDefinition->getName());
    /** @var \Drupal\entity_browser\EntityBrowserInterface $entity_browser */
    $entity_browser = $this->entityManager->getStorage('entity_browser')->load($this->getSetting('entity_browser'));

    $element += [
      '#id' => $details_id,
      '#type' => 'details',
      '#open' => !empty($ids),
      'target_id' => [
        '#type' => 'hidden',
        '#id' => $hidden_id,
        // We need to repeat ID here as it is otherwise skipped when rendering.
        '#attributes' => ['id' => $hidden_id],
        '#default_value' => $ids,
        // #ajax is officially not supported for hidden elements but if we
        // specify event manually it works.
        '#ajax' => [
          'callback' => [get_class($this), 'updateWidgetCallback'],
          'wrapper' => $details_id,
          'event' => 'entity_browser_value_updated',
        ],
      ],
    ];

    $cardinality = $this->fieldDefinition->getFieldStorageDefinition()->getCardinality();
    if ($cardinality == FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED || count($ids) < $cardinality) {
      $element['entity_browser'] = $entity_browser->getDisplay()->displayEntityBrowser();
      $element['#attached']['library'][] = 'entity_browser/entity_reference';
      $element['#attached']['drupalSettings']['entity_browser'] = [
        $entity_browser->getDisplay()->getUuid() => [
          'cardinality' => $this->fieldDefinition->getFieldStorageDefinition()->getCardinality(),
          'selector' => '#'.$element['target_id']['#attributes']['id'],
        ]
      ];
    }

    $field_parents = $element['#field_parents'];

    $element['current'] = [
      '#theme_wrappers' => ['container'],
      '#attributes' => ['class' => ['entities-list']],
      'items' => array_map(
        function($id) use ($entity_storage, $field_widget_display, $details_id, $field_parents, $entities) {
          $entity = $entities[$id];

          $display = $field_widget_display->view($entity);
          if (is_string($display)) {
            $display = ['#markup' => $display];
          }

          return [
            '#theme_wrappers' => ['container'],
            '#attributes' => [
              'class' => ['item-container'],
              'data-entity-id' => $entity->id()
            ],
            'display' => $display,
            'remove_button' => [
              '#type' => 'submit',
              '#value' => $this->t('Remove'),
              '#ajax' => [
                'callback' => [get_class($this), 'updateWidgetCallback'],
                'wrapper' => $details_id,
              ],
              '#submit' => [[get_class($this), 'removeItemSubmit']],
              '#name' => $this->fieldDefinition->getName() . '_remove_' . $id,
              '#limit_validation_errors' => [array_merge($field_parents, [$this->fieldDefinition->getName()])],
              '#attributes' => ['data-entity-id' => $id],
            ]
          ];

        },
        $ids
      ),
    ];

    return $element;
  }

  /**
   * {@inheritdoc}
   */
  public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
    $ids = empty($values['target_id']) ? [] : explode(' ', trim($values['target_id']));
    $return = [];
    foreach ($ids as $id) {
      $return[]['target_id'] = $id;
    }

    return $return;
  }

  /**
   * AJAX form callback.
   */
  public static function updateWidgetCallback(array &$form, FormStateInterface $form_state) {
    $trigger = $form_state->getTriggeringElement();
    // AJAX requests can be triggered by hidden "target_id" element when entities
    // are added or by one of the "Remove" buttons. Depending on that we need to
    // figure out where root of the widget is in the form structure and use this
    // information to return correct part of the form.
    if (!empty($trigger['#ajax']['event']) && $trigger['#ajax']['event'] == 'entity_browser_value_updated') {

      $parents = array_slice($trigger['#array_parents'], 0, -2);
    }
    elseif ($trigger['#type'] == 'submit' && strpos($trigger['#name'], '_remove_')) {
      $parents = array_slice($trigger['#array_parents'], 0, -4);
    }

    return NestedArray::getValue($form, $parents);
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
  }

  /**
   * Submit callback for remove buttons.
   */
  public static function removeItemSubmit(&$form, FormStateInterface $form_state) {
    $triggering_element = $form_state->getTriggeringElement();
    if (!empty($triggering_element['#attributes']['data-entity-id'])) {
      $id = $triggering_element['#attributes']['data-entity-id'];
      $parents = array_slice($triggering_element['#parents'], 0, -4);
      $array_parents = array_slice($triggering_element['#array_parents'], 0, -4);

      // Find and remove correct entity.
      $values = explode(' ', $form_state->getValue(array_merge($parents, ['target_id'])));
      $values = array_filter(
        $values,
        function($item) use ($id) { return $item != $id; }
      );
      $values = implode(' ', $values);

      // Set new value for this widget.
      $target_id_element = &NestedArray::getValue($form, array_merge($array_parents, ['target_id']));
      $form_state->setValueForElement($target_id_element, $values);
      NestedArray::setValue($form_state->getUserInput(), $target_id_element['#parents'], $values);

      // Rebuild form.
      $form_state->setRebuild();
    }
  }
}


1		<?php
2
3		/**
4		* @file
5		* Contains \Drupal\entity_browser\Plugin\Field\FieldWidget\EntityReference.
6		*/
7
8		namespace Drupal\entity_browser\Plugin\Field\FieldWidget;
9
10		use Drupal\Component\Utility\Html;
11		use Drupal\Component\Utility\NestedArray;
12		use Drupal\Core\Entity\EntityManagerInterface;
13		use Drupal\Core\Field\FieldDefinitionInterface;
14		use Drupal\Core\Field\FieldItemListInterface;
15		use Drupal\Core\Field\FieldStorageDefinitionInterface;
16		use Drupal\Core\Field\WidgetBase;
17		use Drupal\Core\Form\FormStateInterface;
18		use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
19		use Drupal\entity_browser\Events\Events;
20		use Drupal\entity_browser\Events\RegisterJSCallbacks;
21		use Drupal\entity_browser\FieldWidgetDisplayManager;
22		use Symfony\Component\DependencyInjection\ContainerInterface;
23		use Symfony\Component\EventDispatcher\EventDispatcherInterface;
24
25		/**
26		* Plugin implementation of the 'entity_reference' widget for entity browser.
27
28		* @FieldWidget(
29		* id = "entity_browser_entity_reference",
30		* label = @Translation("Entity browser"),
31		* description = @Translation("Uses entity browser to select entities."),
32		* multiple_values = TRUE,
33		* field_types = {
34		* "entity_reference"
35		* }
36		* )
37		*/
38		class EntityReference extends WidgetBase implements ContainerFactoryPluginInterface {
39
40		/**
41		* Entity manager service
42		*
43		* @var \Drupal\Core\Entity\EntityManagerInterface
44		*/
45		protected $entityManager;
46
47		/**
48		* Field widget display plugin manager.
49		*
50		* @var \Drupal\entity_browser\FieldWidgetDisplayManager
51		*/
52		protected $fieldDisplayManager;
53
54		/**
55		* Constructs widget plugin.
56		*
57		* @param string $plugin_id
58		* The plugin_id for the plugin instance.
59		* @param mixed $plugin_definition
60		* The plugin implementation definition.
61		* @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
62		* The definition of the field to which the widget is associated.
63		* @param array $settings
64		* The widget settings.
65		* @param array $third_party_settings
66		* Any third party settings.
67		* @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
68		* Entity manager service.
69		* @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher
70		* Event dispatcher.
71		* @param \Drupal\entity_browser\FieldWidgetDisplayManager $field_display_manager
72		* Field widget display plugin manager.
73		*/
74		public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, array $third_party_settings, EntityManagerInterface $entity_manager, EventDispatcherInterface $event_dispatcher, FieldWidgetDisplayManager $field_display_manager) {
75		parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $third_party_settings);
76		$this->entityManager = $entity_manager;
77		$this->fieldDisplayManager = $field_display_manager;
78		}
79
80		/**
81		* {@inheritdoc}
82		*/
83		public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
84		return new static(
85		$plugin_id,
86		$plugin_definition,
87		$configuration['field_definition'],
88		$configuration['settings'],
89		$configuration['third_party_settings'],
90		$container->get('entity.manager'),
91		$container->get('event_dispatcher'),
92		$container->get('plugin.manager.entity_browser.field_widget_display')
93		);
94		}
95
96		/**
97		* {@inheritdoc}
98		*/
99		public static function defaultSettings() {
100		return array(
101		'entity_browser' => NULL,
102		'field_widget_display' => NULL,
103		'field_widget_display_settings' => [],
104		) + parent::defaultSettings();
105		}
106
107		/**
108		* {@inheritdoc}
109		*/
110		public function settingsForm(array $form, FormStateInterface $form_state) {
111		$element = parent::settingsForm($form, $form_state);
112
113		$browsers = [];
114		/** @var \Drupal\entity_browser\EntityBrowserInterface $browser */
115		foreach ($this->entityManager->getStorage('entity_browser')->loadMultiple() as $browser) {
116		$browsers[$browser->id()] = $browser->label();
117		}
118
119		$element['entity_browser'] = [
120		'#title' => t('Entity browser'),
121		'#type' => 'select',
122		'#default_value' => $this->getSetting('entity_browser'),
123		'#options' => $browsers,
124		];
125
126		$target_type = $this->fieldDefinition->getFieldStorageDefinition()->getSetting('target_type');
127		$entity_type = \Drupal::entityTypeManager()->getStorage($target_type)->getEntityType();
128
129		$displays = [];
130		foreach ($this->fieldDisplayManager->getDefinitions() as $id => $definition) {
131		if ($this->fieldDisplayManager->createInstance($id)->isApplicable($entity_type)) {
132		$displays[$id] = $definition['label'];
133		}
134		}
135
136		$id = Html::getUniqueId('field-' . $this->fieldDefinition->getName() . '-display-settings-wrapper');
137		$element['field_widget_display'] = [
138		'#title' => t('Entity display plugin'),
139		'#type' => 'select',
140		'#default_value' => $this->getSetting('field_widget_display'),
141		'#options' => $displays,
142		'#ajax' => [
143		'callback' => array($this, 'updateSettingsAjax'),
144		'wrapper' => $id,
145		],
146		];
147
148		$element['field_widget_display_settings'] = [
149		'#type' => 'fieldset',
150		'#title' => t('Entity display plugin configuration'),
151		'#tree' => TRUE,
152		'#prefix' => '<div id="' . $id . '">',
153		'#suffix' => '</div>',
154		];
155
156		if ($this->getSetting('field_widget_display')) {
157		$element['field_widget_display_settings'] += $this->fieldDisplayManager
158		->createInstance(
159		$form_state->getValue(
160		['fields', $this->fieldDefinition->getName(), 'settings_edit_form', 'settings', 'field_widget_display'],
161		$this->getSetting('field_widget_display')
162		),
163		$form_state->getValue(
164		['fields', $this->fieldDefinition->getName(), 'settings_edit_form', 'settings', 'field_widget_display_settings'],
165		$this->getSetting('field_widget_display_settings')
166		) + ['entity_type' => $this->fieldDefinition->getFieldStorageDefinition()->getSetting('target_type')]
167		)
168		->settingsForm($form, $form_state);
169		}
170
171		return $element;
172		}
173
174		/**
175		* Ajax callback that updates field widget display settings fieldset.
176		*/
177		public function updateSettingsAjax(array $form, FormStateInterface $form_state) {
178		return $form['fields'][$this->fieldDefinition->getName()]['plugin']['settings_edit_form']['settings']['field_widget_display_settings'];
179		}
180
181		/**
182		* {@inheritdoc}
183		*/
184		public function settingsSummary() {
185		$summary = [];
186		$entity_browser_id = $this->getSetting('entity_browser');
187		$field_widget_display = $this->getSetting('field_widget_display');
188
189		if (empty($entity_browser_id)) {
190		return [t('No entity browser selected.')];
191		}
192		else {
193		$browser = $this->entityManager->getStorage('entity_browser')
194		->load($entity_browser_id);
195		$summary[] = t('Entity browser: @browser', ['@browser' => $browser->label()]);
196		}
197
198		if (!empty($field_widget_display)) {
199		$plugin = $this->fieldDisplayManager->getDefinition($field_widget_display);
200		$summary[] = t('Entity display: @name', ['@name' => $plugin['label']]);
201		}
202
203		return $summary;
204		}
205
206		/**
207		* {@inheritdoc}
208		*/
209		function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
		0 ignored issues – show Best Practice introduced 2015-11-21 14:29 UTC by Report Bug Copy Issue Report It is generally recommended to explicitly declare the visibility for methods. Adding explicit visibility (`private`, `protected`, or `public`) is generally recommend to communicate to other developers how, and from where this method is intended to be used. Loading history...
210		$entity_type = $this->fieldDefinition->getFieldStorageDefinition()->getSetting('target_type');
211		$entity_storage = $this->entityManager->getStorage($entity_type);
212		$field_widget_display = $this->fieldDisplayManager->createInstance(
213		$this->getSetting('field_widget_display'),
214		$this->getSetting('field_widget_display_settings') + ['entity_type' => $this->fieldDefinition->getFieldStorageDefinition()->getSetting('target_type')]
215		);
216
217		$ids = [];
218		$entities = [];
219		if (($trigger = $form_state->getTriggeringElement()) && in_array($this->fieldDefinition->getName(), $trigger['#parents'])) {
220		// Submit was triggered by hidden "target_id" element when entities were
221		// added via entity browser.
222	View Code Duplication	if (!empty($trigger['#ajax']['event']) && $trigger['#ajax']['event'] == 'entity_browser_value_updated') {
		0 ignored issues – show Duplication introduced 2015-11-21 14:29 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. 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. Loading history...
223		$parents = $trigger['#parents'];
224		}
225		// Submit was triggered by one of the "Remove" buttons. We need to walk
226		// few levels up to read value of "target_id" element.
227		elseif ($trigger['#type'] == 'submit' && strpos($trigger['#name'], $this->fieldDefinition->getName() . '_remove_') === 0) {
228		$parents = array_merge(array_slice($trigger['#parents'], 0, -4), ['target_id']);
229		}
230
231		if (isset($parents) && $value = $form_state->getValue($parents)) {
232		$ids = explode(' ', $value);
233		$entities = $entity_storage->loadMultiple($ids);
234		}
235		}
236		// We are loading for for the first time so we need to load any existing
237		// values that might already exist on the entity. Also, remove any leftover
238		// data from removed entity references.
239		else {
240		foreach ($items as $item) {
241		$entity = $entity_storage->load($item->target_id);
242		if (!empty($entity)) {
243		$entities[$item->target_id] = $entity;
244		}
245		}
246		$ids = array_keys($entities);
247		}
248		$ids = array_filter($ids);
249
250		$hidden_id = Html::getUniqueId('edit-' . $this->fieldDefinition->getName() . '-target-id');
251		$details_id = Html::getUniqueId('edit-' . $this->fieldDefinition->getName());
252		/** @var \Drupal\entity_browser\EntityBrowserInterface $entity_browser */
253		$entity_browser = $this->entityManager->getStorage('entity_browser')->load($this->getSetting('entity_browser'));
254
255		$element += [
256		'#id' => $details_id,
257		'#type' => 'details',
258		'#open' => !empty($ids),
259		'target_id' => [
260		'#type' => 'hidden',
261		'#id' => $hidden_id,
262		// We need to repeat ID here as it is otherwise skipped when rendering.
263		'#attributes' => ['id' => $hidden_id],
264		'#default_value' => $ids,
265		// #ajax is officially not supported for hidden elements but if we
266		// specify event manually it works.
267		'#ajax' => [
268		'callback' => [get_class($this), 'updateWidgetCallback'],
269		'wrapper' => $details_id,
270		'event' => 'entity_browser_value_updated',
271		],
272		],
273		];
274
275		$cardinality = $this->fieldDefinition->getFieldStorageDefinition()->getCardinality();
276		if ($cardinality == FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED \|\| count($ids) < $cardinality) {
277		$element['entity_browser'] = $entity_browser->getDisplay()->displayEntityBrowser();
278		$element['#attached']['library'][] = 'entity_browser/entity_reference';
279		$element['#attached']['drupalSettings']['entity_browser'] = [
280		$entity_browser->getDisplay()->getUuid() => [
281		'cardinality' => $this->fieldDefinition->getFieldStorageDefinition()->getCardinality(),
282		'selector' => '#'.$element['target_id']['#attributes']['id'],
283		]
284		];
285		}
286
287		$field_parents = $element['#field_parents'];
288
289		$element['current'] = [
290		'#theme_wrappers' => ['container'],
291		'#attributes' => ['class' => ['entities-list']],
292		'items' => array_map(
293		function($id) use ($entity_storage, $field_widget_display, $details_id, $field_parents, $entities) {
294		$entity = $entities[$id];
295
296		$display = $field_widget_display->view($entity);
297		if (is_string($display)) {
298		$display = ['#markup' => $display];
299		}
300
301		return [
302		'#theme_wrappers' => ['container'],
303		'#attributes' => [
304		'class' => ['item-container'],
305		'data-entity-id' => $entity->id()
306		],
307		'display' => $display,
308		'remove_button' => [
309		'#type' => 'submit',
310		'#value' => $this->t('Remove'),
311		'#ajax' => [
312		'callback' => [get_class($this), 'updateWidgetCallback'],
313		'wrapper' => $details_id,
314		],
315		'#submit' => [[get_class($this), 'removeItemSubmit']],
316		'#name' => $this->fieldDefinition->getName() . '_remove_' . $id,
317		'#limit_validation_errors' => [array_merge($field_parents, [$this->fieldDefinition->getName()])],
318		'#attributes' => ['data-entity-id' => $id],
319		]
320		];
321
322		},
323		$ids
324		),
325		];
326
327		return $element;
328		}
329
330		/**
331		* {@inheritdoc}
332		*/
333		public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
334		$ids = empty($values['target_id']) ? [] : explode(' ', trim($values['target_id']));
335		$return = [];
336		foreach ($ids as $id) {
337		$return[]['target_id'] = $id;
338		}
339
340		return $return;
341		}
342
343		/**
344		* AJAX form callback.
345		*/
346		public static function updateWidgetCallback(array &$form, FormStateInterface $form_state) {
347		$trigger = $form_state->getTriggeringElement();
348		// AJAX requests can be triggered by hidden "target_id" element when entities
349		// are added or by one of the "Remove" buttons. Depending on that we need to
350		// figure out where root of the widget is in the form structure and use this
351		// information to return correct part of the form.
352	View Code Duplication	if (!empty($trigger['#ajax']['event']) && $trigger['#ajax']['event'] == 'entity_browser_value_updated') {
		0 ignored issues – show Duplication introduced 2015-11-21 14:29 UTC by Report Bug Copy Issue Report This code seems to be duplicated across your project. 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. Loading history...
353		$parents = array_slice($trigger['#array_parents'], 0, -2);
354		}
355		elseif ($trigger['#type'] == 'submit' && strpos($trigger['#name'], '_remove_')) {
356		$parents = array_slice($trigger['#array_parents'], 0, -4);
357		}
358
359		return NestedArray::getValue($form, $parents);
		0 ignored issues – show Bug introduced 2015-11-21 14:29 UTC by Report Bug Copy Issue Report The variable `$parents` does not seem to be defined for all execution paths leading up to this point. If you define a variable conditionally, it can happen that it is not defined for all execution paths. Let’s take a look at an example: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } // $x is potentially undefined here. echo $x; } In the above example, the variable `$x` is defined if you pass “foo” or “bar” as argument for `$a`. However, since the `switch` statement has no default case statement, if you pass any other value, the variable `$x` would be undefined. Available Fixes Check for existence of the variable explicitly: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } if (isset($x)) { // Make sure it's always set. echo $x; } } Define a default value for the variable: function myFunction($a) { $x = ''; // Set a default which gets overridden for certain paths. switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; } echo $x; } Add a value for the missing path: function myFunction($a) { switch ($a) { case 'foo': $x = 1; break; case 'bar': $x = 2; break; // We add support for the missing case. default: $x = ''; break; } echo $x; } Loading history...
360		}
361
362		/**
363		* Submit callback for remove buttons.
364		*/
365		public static function removeItemSubmit(&$form, FormStateInterface $form_state) {
366		$triggering_element = $form_state->getTriggeringElement();
367		if (!empty($triggering_element['#attributes']['data-entity-id'])) {
368		$id = $triggering_element['#attributes']['data-entity-id'];
369		$parents = array_slice($triggering_element['#parents'], 0, -4);
370		$array_parents = array_slice($triggering_element['#array_parents'], 0, -4);
371
372		// Find and remove correct entity.
373		$values = explode(' ', $form_state->getValue(array_merge($parents, ['target_id'])));
374		$values = array_filter(
375		$values,
376		function($item) use ($id) { return $item != $id; }
377		);
378		$values = implode(' ', $values);
379
380		// Set new value for this widget.
381		$target_id_element = &NestedArray::getValue($form, array_merge($array_parents, ['target_id']));
382		$form_state->setValueForElement($target_id_element, $values);
383		NestedArray::setValue($form_state->getUserInput(), $target_id_element['#parents'], $values);
384
385		// Rebuild form.
386		$form_state->setRebuild();
387		}
388		}
389		}
390

drupal-media / entity_browser

Pull Request — 8.x-1.x (#123)

EntityReference::formElement() D

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

Available Fixes

Duplication Side-by-Side

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