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<?php
namespace Drupal\field_states_ui;
use Drupal\Core\Cache\CacheBackendInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\WidgetInterface;
use Drupal\Core\Form\FormState;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Link;
use Drupal\Core\Plugin\DefaultPluginManager;
use Drupal\Core\Url;
use Drupal\field_ui\Form\EntityFormDisplayEditForm;
use Psr\Log\LoggerInterface;
/**
* Manages field state plugins.
*
* @see hook_field_state_info_alter()
* @see \Drupal\field_states_ui\Annotation\FieldState
* @see \Drupal\field_states_ui\FieldStateInterface
* @see \Drupal\field_states_ui\FieldStateBase
* @see plugin_api
*/
class FieldStateManager extends DefaultPluginManager {
/**
* LoggerInterface.
*
* @var \Psr\Log\LoggerInterface
*/
private $logger;
/**
* Constructs a new FieldStateManager.
*
* @param \Traversable $namespaces
* An object that implements \Traversable which contains the root paths
* keyed by the corresponding namespace to look for plugin implementations.
* @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
* Cache backend instance to use.
* @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
* The module handler.
* @param \Psr\Log\LoggerInterface $logger
* The logger.
*/
public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler, LoggerInterface $logger) {
parent::__construct('Plugin/FieldState', $namespaces, $module_handler, 'Drupal\\field_states_ui\\FieldStateInterface', 'Drupal\\field_states_ui\\Annotation\\FieldState');
$this->alterInfo('field_state_info');
$this->setCacheBackend($cache_backend, 'field_state_plugins');
$this->logger = $logger;
}
/**
* Apply the field states to a form element.
*
* Due to various form elements having different array structure, the states
* array has to be put in a different spot for different widgets. Most common
* locations are `value` and `target_id` or for multiple value forms, on the
* wrapper.
*
* @param array $element
* The field widget form elements as constructed by
* \Drupal\Core\Field\WidgetBase::formMultipleElements().
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
* @param array $context
* An associative array containing the following key-value pairs:
* - form: The form structure to which widgets are being attached. This may be
* a full form structure, or a sub-element of a larger form.
* - widget: The widget plugin instance.
* - items: The field values, as a
* \Drupal\Core\Field\FieldItemListInterface object.
* - default: A boolean indicating whether the form is being shown as a dummy
* form to set default values.
*
* @see hook_field_widget_multivalue_form_alter().
*/
public function apply(&$element, FormStateInterface $form_state, $context) {
/** @var \Drupal\Core\Field\PluginSettingsInterface $plugin */
$plugin = $context['widget'];
// Check that it is enabled for this field.
if (empty($plugin->getThirdPartySettings('field_states_ui')['field_states'])) {
return;
}
$states = $plugin->getThirdPartySettings('field_states_ui')['field_states'];
/** @var \Drupal\Core\Field\FieldItemListInterface $field_item */
$field_item = $context['items'];
$field_definition = $field_item->getFieldDefinition();
$type = $field_definition->getType();
$plugin_id = $plugin->getPluginId();
// Handle the type of field appropriately.
switch ($type) {
case 'entity_reference':
switch ($plugin_id) {
case 'chosen_select':
case 'options_select':
case 'options_buttons':
case 'media_library_widget':
$target =& $element;
break;
case 'entity_browser_entity_reference':
if (!isset($element[0])) {
$target =& $element;
}
else {
$target =& $element[0];
}
break;
case 'entity_reference_autocomplete':
case 'entity_reference_autocomplete_tags':
if (!isset($element[0])) {
$target =& $element['target_id'];
}
else {
$target =& $element[0]['target_id'];
}
break;
default:
// Log a notice so that user(s) can report unrecognized field
// plugin_id.
$this->logger
->notice(t('Field type: "@type" with plugin_id "@id" was unrecognized. Please report on the @link. For quickest resolution, please include what module it comes from.', [
'@type' => $type,
'@id' => $plugin_id,
'@link' => Link::fromTextAndUrl(t('Field States UI Issue Queue'), Url::fromUri('https://www.drupal.org/project/issues/field_states_ui'))->toString(),
]));
if (isset($element[0]['target_id'])) {
$target =& $element[0]['target_id'];
}
elseif (isset($element['target_id'])) {
$target =& $element['target_id'];
}
else {
$target =& $element;
}
break;
}
break;
case 'boolean':
switch ($plugin_id) {
case 'options_buttons':
$target =& $element[0];
break;
case 'boolean_checkbox':
$target =& $element['value'];
break;
default:
$target =& $element[0]['value'];
break;
}
break;
case 'address_country':
case 'decimal':
case 'float':
case 'integer':
case 'string':
case 'string_long':
$target =& $element[0]['value'];
break;
case 'text_with_summary':
case 'text_long':
case 'list_float':
case 'list_integer':
case 'list_string':
case 'link':
case 'entity_reference_revisions':
case 'datetime':
case 'color_field_type':
case 'address_zone':
case 'address':
if (!isset($element[0])) {
$target =& $element;
}
else {
$target =& $element[0];
}
break;
case 'name':
$target =& $element[0];
$container = TRUE;
break;
default:
// Log a notice so that user(s) can report unrecognized field types.
$this->logger
->notice(t('Field type: "@type" was unrecognized. Please report on the @link. For quickest resolution, please include the element details: @details', [
'@type' => $type,
'@link' => Link::fromTextAndUrl(t('Field States UI Issue Queue'), Url::fromUri('https://www.drupal.org/project/issues/field_states_ui'))->toString(),
'@details' => var_export(array_keys($element[0]), TRUE),
]));
$target =& $element[0];
$container = TRUE;
break;
}
if (!isset($target['#field_parents'])) {
$parents = [];
$this->logger
->notice(t('#field_parents key not found. This will may cause problems. If so, please report on the @link. For quickest resolution, please include the element details: @details', [
'@link' => Link::fromTextAndUrl(t('Field States UI Issue Queue'), Url::fromUri('https://www.drupal.org/project/issues/field_states_ui'))->toString(),
'@details' => var_export(array_keys($element[0]), TRUE),
]));
}
else {
$parents = $target['#field_parents'];
}
if (isset($element['#cardinality_multiple']) && $element['#cardinality_multiple']) {
// Multiple widget field. Put states on the wrapper.
$element = [
'element' => $element,
'#type' => 'container',
'#states' => $this->getStates($states, $form_state, $context, $element, $parents),
];
}
elseif (isset($container)) {
// Add a container element and set states on that to ensure it works.
// This increases divitis which is already common on Drupal forms so
// it is better to handle the element properly. There are elements that it
// does make sense to do this to (ie name) but avoid if possible.
$element = [
'element' => $element,
'#type' => 'container',
'#states' => $this->getStates($states, $form_state, $context, $element, $parents),
];
}
else {
$target['#states'] = $this->getStates($states, $form_state, $context, $element, $parents);
}
}
/**
* Returns the field states for a given element.
*
* @param array[] $field_states
* An array of field state configuration.
* @param \Drupal\Core\Form\FormStateInterface $form_state
* Provides an interface for an object containing the current state of a form.
* @param array $context
* An associative array containing the following key-value pairs:
* - form: The form structure to which widgets are being attached. This may be
* a full form structure, or a sub-element of a larger form.
* - widget: The widget plugin instance.
* - items: The field values, as a
* \Drupal\Core\Field\FieldItemListInterface object.
* - delta: The order of this item in the array of subelements (0, 1, 2, etc).
* - default: A boolean indicating whether the form is being shown as a dummy
* form to set default values.
* @param array $element
* The field widget form element as constructed by
* \Drupal\Core\Field\WidgetBaseInterface::form().
* @param array $parents
* The current element's parents in the form.
*
* @return array
* An array of states to render.
*/
protected function getStates(array $field_states, FormStateInterface $form_state, array $context, array $element, array $parents) {
$states = [];
foreach ($field_states as $state) {
if (!isset($state['id'])) {
continue;
}
try {
/** @var \Drupal\field_states_ui\FieldStateInterface $field_state */
$field_state = $this->createInstance($state['id'], $state);
} catch (\Exception $exception) {
continue;
}
$field_state->applyState($states, $form_state, $context, $element, $parents);
}
return $states;
}
/**
* Implements hook_field_widget_third_party_settings_form().
*/
public function settingsForm(WidgetInterface $plugin, FieldDefinitionInterface $field_definition, $form_mode, $form, FormStateInterface $form_state) {
$field_name = $field_definition->getName();
$element = [
'form' => [
'#type' => 'fieldset',
'#title' => t('Manage Field States'),
'#description' => t('Configure field states - ie automatic hiding/showing of fields.'),
'list' => [
'#type' => 'table',
'#header' => [
t('Type'),
t('Comparison'),
t('Operations'),
],
'#empty' => t('There are no field states applied to this field currently. Add one by selecting an option below.'),
],
],
];
$cancel = [
'#type' => 'submit',
'#value' => t('Cancel'),
'#submit' => [
[
self::class,
'settingsSubmit',
],
],
'#field_name' => $field_name,
'#limit_validation_errors' => [],
'#op' => 'cancel',
];
// Display and maintain existing form states with edit options.
$field_states_settings = $plugin->getThirdPartySettings('field_states_ui');
if (!empty($field_states_settings['field_states'])) {
$element['field_states'] = [];
foreach ($field_states_settings['field_states'] as $key => $state) {
if (!isset($state['id'])) {
continue;
}
$field_state = $this->createInstance($state['id'], $state);
$element['form']['list'][$key] = [
'type' => [
'#type' => 'markup',
'#markup' => $field_state->label(),
],
'comparison' => $field_state->getSummary(),
'operations' => [
'edit' => [
'#type' => 'submit',
'#value' => t('Edit'),
'#op' => 'edit',
'#submit' => [
[
self::class,
'settingsSubmit',
],
],
'#field_name' => $field_name,
'#key' => $key,
'#name' => 'edit-' . $key,
],
'delete' => [
'#type' => 'submit',
'#value' => t('Delete'),
'#op' => 'delete',
'#submit' => [
[
self::class,
'settingsSubmit',
],
],
'#field_name' => $field_name,
'#key' => $key,
'#name' => 'delete-' . $key,
],
],
];
$element['field_states'][$field_state->getUuid()] = [
'uuid' => [
'#type' => 'hidden',
'#value' => $field_state->getUuid(),
],
'id' => [
'#type' => 'hidden',
'#value' => $field_state->getPluginId(),
],
'data' => $field_state->getConfigurationForForm(),
];
}
}
// Provide form elements to edit/add form states.
if ($form_state->get('field_states_ui_edit') == $field_name) {
if ($form_state->get('field_states_ui_target')) {
$target = $form_state->get('field_states_ui_target');
$states = $plugin->getThirdPartySettings('field_states_ui')['field_states'];
if (!isset($states[$target])) {
return $element;
}
$type = $states[$target]['id'];
$field_state = $this->createInstance($type, $states[$target]);
$title = t('Edit field state: @type', [
'@type' => $field_state->label(),
]);
$submit_label = t('Update State');
$op = 'process_update';
}
else {
$type = $form_state->getValue([
'fields',
$field_name,
'settings_edit_form',
'third_party_settings',
'field_states_ui',
'form',
'type',
]);
$field_state = $this->createInstance($type);
$title = t('Add new field state: @type', [
'@type' => $field_state->label(),
]);
$submit_label = t('Add');
$op = 'new';
}
$element['form']['edit'] = $field_state->buildConfigurationForm([], $form_state);
$element['form']['edit']['#type'] = 'fieldset';
$element['form']['edit']['#title'] = $title;
$element['form']['edit']['submit'] = [
'save' => [
'#type' => 'submit',
'#value' => $submit_label,
'#validate' => [
[
self::class,
'settingsValidate',
],
],
'#submit' => [
[
self::class,
'settingsSubmit',
],
],
'#field_name' => $field_name,
'#op' => $op,
'#plugin' => $type,
],
'cancel' => $cancel,
];
}
elseif ($form_state->get('field_states_ui_edit') == 'delete') {
$element['form']['delete'] = [
'#type' => 'fieldset',
'#tree' => FALSE,
'#title' => t('Delete field state?'),
'delete_submit' => [
'#type' => 'submit',
'#value' => t('Confirm Delete'),
'#submit' => [
[
self::class,
'settingsSubmit',
],
],
'#target' => $form_state->get('field_states_ui_target'),
'#op' => 'process_delete',
'#field_name' => $field_name,
],
'cancel' => $cancel,
];
}
else {
$field_state_options = [];
$field_states = $this->getDefinitions();
foreach ($field_states as $field_state => $definition) {
$field_state_options[$field_state] = $definition['label'];
}
$element['form']['type'] = [
'#type' => 'select',
'#title' => t('Field States'),
'#title_display' => 'invisible',
'#options' => $field_state_options,
'#empty_option' => t('Select a new field state'),
];
$element['form']['add'] = [
'#type' => 'submit',
'#value' => t('Add'),
'#validate' => [
[
self::class,
'settingsValidate',
],
],
'#submit' => [
[
self::class,
'settingsSubmit',
],
],
'#field_name' => $field_name,
'#op' => 'add',
];
}
return $element;
}
/**
* Submit function to add/edit field states.
*
* @param array $form
* The whole EntityFormDisplay form array
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The form state.
*/
public static function settingsSubmit(array $form, FormStateInterface $form_state) {
$trigger = $form_state->getTriggeringElement();
$field_name = $trigger['#field_name'];
$form_state->set('plugin_settings_edit', $field_name);
/** @var \Drupal\Core\Entity\EntityFormInterface $form_object */
$form_object = $form_state->getFormObject();
/** @var \Drupal\Core\Entity\Entity\EntityFormDisplay $entity */
$entity = $form_object->getEntity();
// Show the add new field state form for the specified field state type.
if ($trigger['#op'] == 'add') {
$form_state->set('field_states_ui_edit', $field_name);
}
elseif ($trigger['#op'] == 'cancel') {
$form_state->set('field_states_ui_edit', NULL);
$form_state->set('field_states_ui_target', NULL);
}
elseif ($trigger['#op'] == 'edit') {
$form_state->set('field_states_ui_edit', $field_name);
$form_state->set('field_states_ui_target', $trigger['#key']);
}
elseif ($trigger['#op'] == 'delete') {
$form_state->set('field_states_ui_edit', 'delete');
$form_state->set('field_states_ui_target', $trigger['#key']);
}
elseif ($trigger['#op'] == 'process_delete') {
$field = $entity->getComponent($field_name);
unset($field['third_party_settings']['field_states_ui']['field_states'][$form_state->get('field_states_ui_target')]);
$entity->setComponent($field_name, $field);
$entity->save();
$form_state->set('field_states_ui_edit', NULL);
$form_state->set('field_states_ui_target', NULL);
}
elseif ($trigger['#op'] == 'new') {
$field = $entity->getComponent($field_name);
$field_state = self::getManager()->createInstance($trigger['#plugin']);
$field_state_data = $form_state->getValue([
'fields',
$field_name,
'settings_edit_form',
'third_party_settings',
'field_states_ui',
'form',
'edit',
]);
$field_state->submitConfigurationForm($form, (new FormState())->setValues($field_state_data));
$field['third_party_settings']['field_states_ui']['field_states'][$field_state->getUuid()] = $field_state->getConfiguration();
$entity->setComponent($field_name, $field);
$entity->save();
$form_state->set('field_states_ui_edit', NULL);
}
elseif ($trigger['#op'] == 'process_update') {
$field = $entity->getComponent($field_name);
$target = $form_state->get('field_states_ui_target');
$field_state = self::getManager()->createInstance($trigger['#plugin'], $field['third_party_settings']['field_states_ui']['field_states'][$target]);
$field_state_data = $form_state->getValue([
'fields',
$field_name,
'settings_edit_form',
'third_party_settings',
'field_states_ui',
'form',
'edit',
]);
$field_state->submitConfigurationForm($form, (new FormState())->setValues($field_state_data));
$field['third_party_settings']['field_states_ui']['field_states'][$field_state->getUuid()] = $field_state->getConfiguration();
$entity->setComponent($field_name, $field);
$entity->save();
$form_state->set('field_states_ui_edit', NULL);
$form_state->set('field_states_ui_target', NULL);
}
$form_state->setRebuild();
}
/**
* Validation function for adding/editing field states.
*
* @param array $form
* The whole EntityFormDisplay form array
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The form state.
*/
public static function settingsValidate(array $form, FormStateInterface $form_state) {
$trigger = $form_state->getTriggeringElement();
$field_name = $trigger['#field_name'];
$op = $trigger['#op'];
if ($op == 'add') {
$element = "fields][{$field_name}][settings_edit_form][third_party_settings][field_states_ui][form][type";
$type = $form_state->getValue([
'fields',
$field_name,
'settings_edit_form',
'third_party_settings',
'field_states_ui',
'form',
'type',
]);
if (!$type) {
$form_state->setErrorByName($element, t('You must select a field state to add.'));
}
}
}
protected static function getManager() {
return \Drupal::service('plugin.manager.field_states_ui.fieldstate');
}
}
Classes
Titre | Deprecated | Résumé |
---|---|---|
FieldStateManager | Manages field state plugins. |