drupal/core/modules/field/field.deprecated.inc

928 lines
34 KiB
PHP

<?php
/**
* @file
* This file contains functions marked as deprecated.
*/
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\ContentEntityInterface;
use Drupal\Core\Language\Language;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\entity\Entity\EntityDisplay;
use Drupal\field\Field;
/**
* Returns information about field types.
*
* @param $field_type
* (optional) A field type name. If omitted, all field types will be returned.
*
* @return
* Either a field type definition, or an array of all existing field types,
* keyed by field type name.
*
* @deprecated as of Drupal 8.0. Use
* \Drupal::service('plugin.manager.field.field_type')->getDefinition()
* or
* \Drupal::service('plugin.manager.field.field_type')->getConfigurableDefinitions().
*/
function field_info_field_types($field_type = NULL) {
if ($field_type) {
return \Drupal::service('plugin.manager.field.field_type')->getDefinition($field_type);
}
else {
return \Drupal::service('plugin.manager.field.field_type')->getConfigurableDefinitions();
}
}
/**
* Returns a field type's default settings.
*
* @param $type
* A field type name.
*
* @return
* The field type's default settings, or an empty array if type or settings
* are not defined.
*
* @deprecated as of Drupal 8.0. Use
* \Drupal::service('plugin.manager.field.field_type')->getDefaultSettings()
*/
function field_info_field_settings($type) {
return \Drupal::service('plugin.manager.field.field_type')->getDefaultSettings($type);
}
/**
* Returns a field type's default instance settings.
*
* @param $type
* A field type name.
*
* @return
* The field type's default instance settings, or an empty array if type or
* settings are not defined.
*
* @deprecated as of Drupal 8.0. Use
* \Drupal::service('plugin.manager.field.field_type')->getDefaultInstanceSettings()
*/
function field_info_instance_settings($type) {
return \Drupal::service('plugin.manager.field.field_type')->getDefaultInstanceSettings($type);
}
/**
* Returns information about field widgets from AnnotatedClassDiscovery.
*
* @param string $widget_type
* (optional) A widget type name. If omitted, all widget types will be
* returned.
*
* @return array
* Either a single widget type description, as provided by class annotations,
* or an array of all existing widget types, keyed by widget type name.
*
* @deprecated as of Drupal 8.0. Use
* \Drupal::service('plugin.manager.field.widget')->getDefinition()
* or
* \Drupal::service('plugin.manager.field.widget')->getDefinitions()
*/
function field_info_widget_types($widget_type = NULL) {
if ($widget_type) {
return \Drupal::service('plugin.manager.field.widget')->getDefinition($widget_type);
}
else {
return \Drupal::service('plugin.manager.field.widget')->getDefinitions();
}
}
/**
* Returns a field widget's default settings.
*
* @param $type
* A widget type name.
*
* @return
* The widget type's default settings, as provided by
* hook_field_widget_info(), or an empty array if type or settings are
* undefined.
*
* @deprecated as of Drupal 8.0. Use
* \Drupal::service('plugin.manager.field.widget')->getDefaultSettings()
*/
function field_info_widget_settings($type) {
return \Drupal::service('plugin.manager.field.widget')->getDefaultSettings($type);
}
/**
* Returns information about field formatters from hook_field_formatter_info().
*
* @param string $formatter_type
* (optional) A formatter type name. If omitted, all formatter types will be
* returned.
*
* @return array
* Either a single formatter type description, as provided by class
* annotations, or an array of all existing formatter types, keyed by
* formatter type name.
*
* @deprecated as of Drupal 8.0. Use
* \Drupal::service('plugin.manager.field.formatter')->getDefinition()
* or
* \Drupal::service('plugin.manager.field.formatter')->getDefinitions()
*/
function field_info_formatter_types($formatter_type = NULL) {
if ($formatter_type) {
return \Drupal::service('plugin.manager.field.formatter')->getDefinition($formatter_type);
}
else {
return \Drupal::service('plugin.manager.field.formatter')->getDefinitions();
}
}
/**
* Returns a field formatter's default settings.
*
* @param $type
* A field formatter type name.
*
* @return
* The formatter type's default settings, as provided by
* hook_field_formatter_info(), or an empty array if type or settings are
* undefined.
*
* @deprecated as of Drupal 8.0. Use
* \Drupal::service('plugin.manager.field.formatter')->getDefaultSettings()
*/
function field_info_formatter_settings($type) {
return \Drupal::service('plugin.manager.field.formatter')->getDefaultSettings($type);
}
/**
* Returns a lightweight map of fields across bundles.
*
* The function only returns active, non deleted fields.
*
* @return
* An array keyed by entity type. Each value is an array which keys are
* field names and value is an array with two entries:
* - type: The field type.
* - bundles: The bundles in which the field appears.
* Example:
* @code
* array(
* 'node' => array(
* 'body' => array(
* 'bundles' => array(
* 'page', 'article'
* ),
* 'type' => 'text_with_summary',
* ),
* ),
* );
* @endcode
*
* @deprecated as of Drupal 8.0. Use
* Field::fieldInfo()->getFieldMap().
*/
function field_info_field_map() {
return Field::fieldInfo()->getFieldMap();
}
/**
* Returns data about an individual field.
*
* @param $entity_type
* The entity type.
* @param $field_name
* The name of the field to retrieve. $field_name can only refer to a
* non-deleted, active field. For deleted fields, use
* field_info_field_by_id(). To retrieve information about inactive fields,
* use field_read_fields().
*
* @return
* The field array, as returned by field_read_fields(), with an
* additional element 'bundles', whose value is an array of all the bundles
* this field belongs to keyed by entity type. NULL if the field was not
* found.
*
* @see field_info_field_by_id()
* @deprecated as of Drupal 8.0. Use
* Field::fieldInfo()->getField($field_name).
*/
function field_info_field($entity_type, $field_name) {
return Field::fieldInfo()->getField($entity_type, $field_name);
}
/**
* Returns data about an individual field, given a field ID.
*
* @param $field_id
* The ID of the field to retrieve. $field_id can refer to a deleted field,
* but not an inactive one.
*
* @return
* The field array, as returned by field_read_fields(), with an additional
* element 'bundles', whose value is an array of all the bundles this field
* belongs to.
*
* @see field_info_field()
*
* @deprecated as of Drupal 8.0. Use
* Field::fieldInfo()->getFieldById($field_id).
*/
function field_info_field_by_id($field_id) {
return Field::fieldInfo()->getFieldById($field_id);
}
/**
* Returns the same data as field_info_field_by_id() for every field.
*
* Use of this function should be avoided when possible, since it loads and
* statically caches a potentially large array of information.
*
* When iterating over the fields present in a given bundle after a call to
* field_info_instances($entity_type, $bundle), it is recommended to use
* field_info_field() on each individual field instead.
*
* @return
* An array, each key is a field ID and the values are field arrays as
* returned by field_read_fields(), with an additional element 'bundles',
* whose value is an array of all the bundle this field belongs to.
*
* @see field_info_field()
* @see field_info_field_by_id()
*
* @deprecated as of Drupal 8.0. Use
* Field::fieldInfo()->getFields().
*/
function field_info_field_by_ids() {
return Field::fieldInfo()->getFields();
}
/**
* Retrieves information about field instances.
*
* Use of this function to retrieve instances across separate bundles (i.e.
* when the $bundle parameter is NULL) should be avoided when possible, since
* it loads and statically caches a potentially large array of information.
* Use field_info_field_map() instead.
*
* When retrieving the instances of a specific bundle (i.e. when both
* $entity_type and $bundle_name are provided), the function also populates a
* static cache with the corresponding field definitions, allowing fast
* retrieval of field_info_field() later in the request.
*
* @param $entity_type
* (optional) The entity type for which to return instances.
* @param $bundle_name
* (optional) The bundle name for which to return instances. If $entity_type
* is NULL, the $bundle_name parameter is ignored.
*
* @return
* If $entity_type is not set, return all instances keyed by entity type and
* bundle name. If $entity_type is set, return all instances for that entity
* type, keyed by bundle name. If $entity_type and $bundle_name are set,
* return all instances for that bundle.
*
* @deprecated as of Drupal 8.0. Use
* Field::fieldInfo()->getInstances(),
* Field::fieldInfo()->getInstances($entity_type) or
* Field::fieldInfo()->getBundleInstances($entity_type, $bundle_name).
*/
function field_info_instances($entity_type = NULL, $bundle_name = NULL) {
$cache = Field::fieldInfo();
if (!isset($entity_type)) {
return $cache->getInstances();
}
if (!isset($bundle_name)) {
return $cache->getInstances($entity_type);
}
return $cache->getBundleInstances($entity_type, $bundle_name);
}
/**
* Returns an array of instance data for a specific field and bundle.
*
* The function populates a static cache with all fields and instances used in
* the bundle, allowing fast retrieval of field_info_field() or
* field_info_instance() later in the request.
*
* @param $entity_type
* The entity type for the instance.
* @param $field_name
* The field name for the instance.
* @param $bundle_name
* The bundle name for the instance.
*
* @return
* An associative array of instance data for the specific field and bundle;
* NULL if the instance does not exist.
*
* @deprecated as of Drupal 8.0. Use
* Field::fieldInfo()->getInstance($entity_type, $bundle_name, $field_name).
*/
function field_info_instance($entity_type, $field_name, $bundle_name) {
return Field::fieldInfo()->getInstance($entity_type, $bundle_name, $field_name);
}
/**
* Reads a single field record directly from the database.
*
* Generally, you should use the field_info_field() instead.
*
* This function will not return deleted fields. Use field_read_fields() instead
* for this purpose.
*
* @param $entity_type
* The entity type.
* @param $field_name
* The field name to read.
* @param array $include_additional
* The default behavior of this function is to not return a field that is
* inactive. Setting $include_additional['include_inactive'] to TRUE will
* override this behavior.
*
* @return
* A field definition array, or FALSE.
*
* @deprecated as of Drupal 8.0. Use
* entity_load('field_entity', 'field_name').
*/
function field_read_field($entity_type, $field_name, $include_additional = array()) {
$fields = field_read_fields(array('entity_type' => $entity_type, 'name' => $field_name), $include_additional);
return $fields ? current($fields) : FALSE;
}
/**
* Reads in fields that match an array of conditions.
*
* @param array $conditions
* An array of conditions to match against. Keys are names of properties found
* in field configuration files, and values are conditions to match.
* @param array $include_additional
* The default behavior of this function is to not return fields that are
* inactive or have been deleted. Setting
* $include_additional['include_inactive'] or
* $include_additional['include_deleted'] to TRUE will override this behavior.
*
* @return
* An array of fields matching $params. If
* $include_additional['include_deleted'] is TRUE, the array is keyed by
* field ID, otherwise it is keyed by field name.
*
* @deprecated as of Drupal 8.0. Use
* entity_load_multiple_by_properties('field_entity', $conditions).
*/
function field_read_fields($conditions = array(), $include_additional = array()) {
// Include inactive fields if specified in the $include_additional parameter.
$include_inactive = isset($include_additional['include_inactive']) && $include_additional['include_inactive'];
// Include deleted fields if specified either in the $include_additional or
// the $conditions parameters.
$include_deleted = (isset($include_additional['include_deleted']) && $include_additional['include_deleted']) || (isset($conditions['deleted']) && $conditions['deleted']);
// Pass include_inactive and include_deleted to the $conditions array.
$conditions['include_inactive'] = $include_inactive;
$conditions['include_deleted'] = $include_deleted;
return entity_load_multiple_by_properties('field_entity', $conditions);
}
/**
* Reads a single instance record from the database.
*
* Generally, you should use field_info_instance() instead, as it provides
* caching and allows other modules the opportunity to append additional
* formatters, widgets, and other information.
*
* @param $entity_type
* The type of entity to which the field is bound.
* @param $field_name
* The field name to read.
* @param $bundle
* The bundle to which the field is bound.
* @param array $include_additional
* The default behavior of this function is to not return an instance that has
* been deleted, or whose field is inactive. Setting
* $include_additional['include_inactive'] or
* $include_additional['include_deleted'] to TRUE will override this behavior.
*
* @return
* An instance structure, or FALSE.
*
* @deprecated as of Drupal 8.0. Use
* entity_load('field_instance', 'field_name').
*/
function field_read_instance($entity_type, $field_name, $bundle, $include_additional = array()) {
$instances = field_read_instances(array('entity_type' => $entity_type, 'field_name' => $field_name, 'bundle' => $bundle), $include_additional);
return $instances ? current($instances) : FALSE;
}
/**
* Reads in field instances that match an array of conditions.
*
* @param $param
* An array of properties to use in selecting a field instance. Keys are names
* of properties found in field instance configuration files, and values are
* conditions to match.
* @param $include_additional
* The default behavior of this function is to not return field instances that
* have been marked deleted, or whose field is inactive. Setting
* $include_additional['include_inactive'] or
* $include_additional['include_deleted'] to TRUE will override this behavior.
*
* @return
* An array of instances matching the arguments.
*
* @deprecated as of Drupal 8.0. Use
* entity_load_multiple_by_properties('field_instance', $conditions).
*/
function field_read_instances($conditions = array(), $include_additional = array()) {
// Include instances of inactive fields if specified in the
// $include_additional parameter.
$include_inactive = isset($include_additional['include_inactive']) && $include_additional['include_inactive'];
// Include deleted instances if specified either in the $include_additional
// or the $conditions parameters.
$include_deleted = (isset($include_additional['include_deleted']) && $include_additional['include_deleted']) || (isset($conditions['deleted']) && $conditions['deleted']);
// Pass include_inactive and include_deleted to the $conditions array.
$conditions['include_inactive'] = $include_inactive;
$conditions['include_deleted'] = $include_deleted;
return entity_load_multiple_by_properties('field_instance', $conditions);
}
/**
* Adds form elements for all fields for an entity to a form structure.
*
* The form elements for the entity's fields are added by reference as direct
* children in the $form parameter. This parameter can be a full form structure
* (most common case for entity edit forms), or a sub-element of a larger form.
*
* By default, submitted field values appear at the top-level of
* $form_state['values']. A different location within $form_state['values'] can
* be specified by setting the '#parents' property on the incoming $form
* parameter. Because of name clashes, two instances of the same field cannot
* appear within the same $form element, or within the same '#parents' space.
*
* For each call to field_attach_form(), field values are processed by calling
* field_attach_extract_form_values() on the same $form element.
*
* Sample resulting structure in $form:
* @code
* '#parents' => The location of field values in $form_state['values'],
* '#entity_type' => The name of the entity type,
* '#bundle' => The name of the bundle,
* // One sub-array per field appearing in the entity, keyed by field name.
* // The structure of the array differs slightly depending on whether the
* // widget is 'single-value' (provides the input for one field value,
* // most common case), and will therefore be repeated as many times as
* // needed, or 'multiple-values' (one single widget allows the input of
* // several values, e.g checkboxes, select box...).
* 'field_foo' => array(
* '#access' => TRUE if the current user has 'edit' grants for the field,
* FALSE if not.
* 'widget' => array(
* '#field_name' => The name of the field,
* '#language' => $langcode,
* '#field_parents' => The 'parents' space for the field in the form,
* equal to the #parents property of the $form parameter received by
* field_attach_form(),
* '#required' => Whether or not the field is required,
* '#title' => The label of the field instance,
* '#description' => The description text for the field instance,
*
* // Only for 'single' widgets:
* '#theme' => 'field_multiple_value_form',
* '#cardinality' => The field cardinality,
* '#cardinality_multiple => TRUE if the field can contain multiple items,
* FALSE otherwise.
* // One sub-array per copy of the widget, keyed by delta.
* 0 => array(
* '#entity_type' => The name of the entity type,
* '#bundle' => The name of the bundle,
* '#field_name' => The name of the field,
* '#field_parents' => The 'parents' space for the field in the form,
* equal to the #parents property of the $form parameter received by
* field_attach_form(),
* '#title' => The title to be displayed by the widget,
* '#default_value' => The field value for delta 0,
* '#required' => Whether the widget should be marked required,
* '#delta' => 0,
* // The remaining elements in the sub-array depend on the widget.
* '#type' => The type of the widget,
* ...
* ),
* 1 => array(
* ...
* ),
*
* // Only for multiple widgets:
* '#entity_type' => The name of the entity type,
* '#bundle' => $instance['bundle'],
* // The remaining elements in the sub-array depend on the widget.
* '#type' => The type of the widget,
* ...
* ),
* ...
* ),
* )
* @endcode
*
* Additionally, some processing data is placed in $form_state, and can be
* accessed by field_form_get_state() and field_form_set_state().
*
* @param \Drupal\Core\Entity\EntityInterface $entity
* The entity for which to load form elements, used to initialize
* default form values.
* @param $form
* The form structure to fill in. This can be a full form structure, or a
* sub-element of a larger form. The #parents property can be set to control
* the location of submitted field values within $form_state['values']. If
* not specified, $form['#parents'] is set to an empty array, placing field
* values at the top-level of $form_state['values'].
* @param $form_state
* An associative array containing the current state of the form.
* @param $langcode
* The language the field values are going to be entered, if no language
* is provided the default site language will be used.
* @param array $options
* An associative array of additional options. See field_invoke_method() for
* details.
*
* @deprecated as of Drupal 8.0. Use the entity system instead.
*
* @see field_form_get_state()
* @see field_form_set_state()
*/
function field_attach_form(EntityInterface $entity, &$form, &$form_state, $langcode = NULL, array $options = array()) {
// Set #parents to 'top-level' by default.
$form += array('#parents' => array());
// Get the entity_form_display object for this form.
$form_display = $form_state['form_display'];
$form += (array) field_invoke_method('form', _field_invoke_widget_target($form_display), $entity, $form, $form_state, $options);
$form['#entity_type'] = $entity->entityType();
$form['#bundle'] = $entity->bundle();
// Let other modules make changes to the form.
// Avoid \Drupal::moduleHandler()->invokeAll()
// to let parameters be taken by reference.
foreach (\Drupal::moduleHandler()->getImplementations('field_attach_form') as $module) {
$function = $module . '_field_attach_form';
$function($entity, $form, $form_state, $langcode);
}
}
/**
* Performs field validation against form-submitted field values.
*
* There are two levels of validation for fields in forms: widget validation and
* and field validation.
* - Widget validation steps are specific to a given widget's own form structure
* and UI metaphors. They are executed through FAPI's #element_validate
* property during normal form validation.
* - Field validation steps are common to a given field type, independently of
* the specific widget being used in a given form. They are defined in the
* field type's implementation of hook_field_validate().
*
* This function performs field validation in the context of a form submission.
* It converts field validation errors into form errors on the correct form
* elements. Fieldable entity types should call this function during their own
* form validation function.
*
* @param \Drupal\Core\Entity\ContentEntityInterface $entity
* The entity being submitted. The actual field values will be read
* from $form_state['values'].
* @param $form
* The form structure where field elements are attached to. This might be a
* full form structure, or a sub-element of a larger form.
* @param $form_state
* An associative array containing the current state of the form.
* @param array $options
* An associative array of additional options. See field_invoke_method() for
* details.
*
* @deprecated as of Drupal 8.0. Use the entity system instead.
*/
function field_attach_form_validate(ContentEntityInterface $entity, $form, &$form_state, array $options = array()) {
$has_violations = FALSE;
foreach ($entity as $field_name => $field) {
$definition = $field->getDefinition();
if ($definition->isFieldConfigurable() && (empty($options['field_name']) || $options['field_name'] == $field_name)) {
$field_violations = $field->validate();
if (count($field_violations)) {
$has_violations = TRUE;
// Place violations in $form_state.
$field_state = field_form_get_state($form['#parents'], $field_name, $form_state);
$field_state['constraint_violations'] = $field_violations;
field_form_set_state($form['#parents'], $field_name, $form_state, $field_state);
}
}
}
if ($has_violations) {
// Map errors back to form elements.
$form_display = $form_state['form_display'];
field_invoke_method('flagErrors', _field_invoke_widget_target($form_display), $entity, $form, $form_state, $options);
}
}
/**
* Populates an entity object with values from a form submission.
*
* Currently, this accounts for drag-and-drop reordering of field values, and
* filtering of empty values.
*
* @param \Drupal\Core\Entity\EntityInterface $entity
* The entity being submitted. The actual field values will be read
* from $form_state['values'].
* @param $form
* The form structure where field elements are attached to. This might be a
* full form structure, or a sub-element of a larger form.
* @param $form_state
* An associative array containing the current state of the form.
* @param array $options
* An associative array of additional options. See field_invoke_method() for
* details.
*
* @deprecated as of Drupal 8.0. Use the entity system instead.
*/
function field_attach_extract_form_values(EntityInterface $entity, $form, &$form_state, array $options = array()) {
// Extract field values from submitted values.
$form_display = $form_state['form_display'];
field_invoke_method('extractFormValues', _field_invoke_widget_target($form_display), $entity, $form, $form_state, $options);
// Let other modules act on submitting the entity.
// Avoid \Drupal::moduleHandler()->invokeAll()
// to let $form_state be taken by reference.
foreach (\Drupal::moduleHandler()->getImplementations('field_attach_extract_form_values') as $module) {
$function = $module . 'field_attach_extract_form_values';
$function($entity, $form, $form_state);
}
}
/**
* Prepares field data prior to display.
*
* This function lets field types and formatters load additional data needed for
* display that is not automatically loaded during entity loading. It accepts an
* array of entities to allow query optimization when displaying lists of
* entities.
*
* field_attach_prepare_view() and field_attach_view() are two halves of the
* same operation. It is safe to call field_attach_prepare_view() multiple times
* on the same entity before calling field_attach_view() on it, but calling any
* Field API operation on an entity between passing that entity to these two
* functions may yield incorrect results.
*
* @param $entity_type
* The type of entities in $entities; e.g. 'node' or 'user'.
* @param array $entities
* An array of entities, keyed by entity ID.
* @param array $displays
* An array of entity display objects, keyed by bundle name.
* @param $langcode
* (Optional) The language the field values are to be shown in. If no language
* is provided the current language is used.
*
* @deprecated as of Drupal 8.0. Use the entity system instead.
*/
function field_attach_prepare_view($entity_type, array $entities, array $displays, $langcode = NULL) {
// To ensure hooks are only run once per entity, only process items without
// the _field_view_prepared flag.
// @todo: resolve this more generally for both entity and field level hooks.
$prepare = array();
foreach ($entities as $id => $entity) {
if (empty($entity->_field_view_prepared)) {
// Add this entity to the items to be prepared.
$prepare[$id] = $entity;
// Mark this item as prepared.
$entity->_field_view_prepared = TRUE;
}
}
// Then let the formatters do their own specific massaging. For each
// instance, call the prepareView() method on the formatter object handed by
// the entity display.
$target_function = function (FieldDefinitionInterface $field_definition, $bundle) use ($displays) {
if (isset($displays[$bundle])) {
return $displays[$bundle]->getRenderer($field_definition->getFieldName());
}
};
$null = NULL;
field_invoke_method_multiple('prepareView', $target_function, $prepare, $null, $null);
}
/**
* Returns a renderable array for the fields on an entity.
*
* Each field is displayed according to the display options specified in the
* $display parameter for the given view mode.
*
* field_attach_prepare_view() and field_attach_view() are two halves of the
* same operation. It is safe to call field_attach_prepare_view() multiple times
* on the same entity before calling field_attach_view() on it, but calling any
* Field API operation on an entity between passing that entity to these two
* functions may yield incorrect results.
*
* @param \Drupal\Core\Entity\EntityInterface $entity
* The entity with fields to render.
* @param \Drupal\entity\Entity\EntityDisplay $display
* The entity display object.
* @param $langcode
* The language the field values are to be shown in. If no language is
* provided the current language is used.
* @param array $options
* An associative array of additional options. See field_invoke_method() for
* details.
*
* @return array
* A renderable array for the field values.
*
* @deprecated as of Drupal 8.0. Use the entity system instead.
*/
function field_attach_view(EntityInterface $entity, EntityDisplay $display, $langcode = NULL, array $options = array()) {
// For each field, call the view() method on the formatter object handed
// by the entity display.
$target_function = function (FieldDefinitionInterface $field_definition) use ($display) {
return $display->getRenderer($field_definition->getFieldName());
};
$null = NULL;
$output = field_invoke_method('view', $target_function, $entity, $null, $null, $options);
// Let other modules alter the renderable array.
$view_mode = $display->originalMode;
$context = array(
'entity' => $entity,
'view_mode' => $view_mode,
'display_options' => $view_mode,
'langcode' => $langcode,
);
drupal_alter('field_attach_view', $output, $context);
// Reset the _field_view_prepared flag set in field_attach_prepare_view(),
// in case the same entity is displayed with different settings later in
// the request.
unset($entity->_field_view_prepared);
return $output;
}
/**
* Returns the field items in the language they currently would be displayed.
*
* @param \Drupal\Core\Entity\EntityInterface $entity
* The entity containing the data to be displayed.
* @param $field_name
* The field to be displayed.
* @param $langcode
* (optional) The language code $entity->{$field_name} has to be displayed in.
* Defaults to the current language.
*
* @return
* An array with available field items keyed by delta.
*
* @deprecated as of Drupal 8.0. Use
* $entity->getTranslation($langcode)->{$field_name}
*/
function field_get_items(EntityInterface $entity, $field_name, $langcode = NULL) {
$langcode = field_language($entity, $field_name, $langcode);
return isset($entity->{$field_name}[$langcode]) ? $entity->{$field_name}[$langcode] : array();
}
/**
* Helper function to get the default value for a field on an entity.
*
* @param \Drupal\Core\Entity\EntityInterface $entity
* The entity for the operation.
* @param $field
* The field structure.
* @param $instance
* The instance structure.
* @param $langcode
* The field language to fill-in with the default value.
*
* @return array
* The default value for the field.
*
* @deprecated as of Drupal 8.0. Use
* $instance->getFieldDefaultValue($entity)
*/
function field_get_default_value(EntityInterface $entity, $field, $instance, $langcode = NULL) {
return $instance->getFieldDefaultValue($entity);
}
/**
* Determines whether the user has access to a given field.
*
* @param string $op
* The operation to be performed. Possible values:
* - edit
* - view
* @param \Drupal\field\FieldInterface $field
* The field on which the operation is to be performed.
* @param $entity_type
* The type of $entity; for example, 'node' or 'user'.
* @param $entity
* (optional) The entity for the operation.
* @param $account
* (optional) The account to check, if not given use currently logged in user.
*
* @return
* TRUE if the operation is allowed; FALSE if the operation is denied.
*
* @deprecated as of Drupal 8.0. Use
* Drupal\Core\Entity\EntityAccessControllerInterface::fieldAccess()
*/
function field_access($op, FieldInterface $field, $entity_type, $entity = NULL, $account = NULL) {
$access_controller = \Drupal::entityManager()->getAccessController($entity_type);
$items = $entity ? $entity->get($field->id()) : NULL;
return $access_controller->fieldAccess($op, $field, $account, $items);
}
/**
* Ensures that a given language code is valid.
*
* Checks whether the given language code is one of the enabled language codes.
* Otherwise, it returns the current, global language code; or the site's
* default language code, if the additional parameter $default is TRUE.
*
* @param $langcode
* The language code to validate.
* @param $default
* Whether to return the default language code or the current language code in
* case $langcode is invalid.
*
* @return
* A valid language code.
*
* @deprecated This has been deprecated in favor of the Entity Field API.
*/
function field_valid_language($langcode, $default = TRUE) {
$languages = field_content_languages();
if (in_array($langcode, $languages)) {
return $langcode;
}
return $default ? language_default()->id : language(Language::TYPE_CONTENT)->id;
}
/**
* Returns the display language code for the fields attached to the given
* entity.
*
* The actual language code for each given field is determined based on the
* requested language code and the actual data available in the fields
* themselves.
* If there is no registered translation handler for the given entity type, the
* display language code to be used is just Language::LANGCODE_NOT_SPECIFIED, as
* no other language code is allowed by field_available_languages().
*
* If translation handlers are found, we let modules provide alternative display
* language codes for fields not having the requested language code available.
*
* @param \Drupal\Core\Entity\EntityInterface $entity
* The entity to be displayed.
* @param $field_name
* (optional) The name of the field to be displayed. Defaults to NULL. If
* no value is specified, the display language codes for every field attached
* to the given entity will be returned.
* @param $langcode
* (optional) The language code $entity has to be displayed in. Defaults to
* NULL. If no value is given the current language will be used.
*
* @return
* A language code if a field name is specified, an array of language codes
* keyed by field name otherwise.
*
* @see \Drupal\Core\Language\LanguageManager::getFallbackCandidates()
* @see \Drupal\Core\Entity\EntityInterface::getFieldLangcode()
*
* @deprecated This has been deprecated in favor of the Entity Field API.
*/
function field_language(EntityInterface $entity, $field_name = NULL, $langcode = NULL) {
$langcode = \Drupal::entityManager()->getTranslationFromContext($entity, $langcode)->language()->id;
$definitions = $entity->getPropertyDefinitions();
$translatable = field_has_translation_handler($entity->entityType());
if (!isset($field_name)) {
$display_langcodes = array();
foreach ($definitions as $name => $definition) {
if ($definition->isFieldConfigurable()) {
$display_langcodes[$name] = $translatable ? $langcode : Language::LANGCODE_NOT_SPECIFIED;
}
}
return $display_langcodes;
}
elseif ($definitions[$field_name]->isFieldConfigurable()) {
return $translatable ? $langcode : Language::LANGCODE_NOT_SPECIFIED;
}
}