Plugin type manager for field formatters.
Expanded class hierarchy of FormatterPluginManager
class FormatterPluginManager extends PluginManagerBase {
/**
* An array of formatter options for each field type.
*
* @var array
*/
protected $formatterOptions;
/**
* Constructs a FormatterPluginManager object.
*
* @param \Traversable $namespaces
* An object that implements \Traversable which contains the root paths
* keyed by the corresponding namespace to look for plugin implementations,
*/
public function __construct(\Traversable $namespaces) {
$annotation_namespaces = array(
'Drupal\\field\\Annotation' => $namespaces['Drupal\\field'],
);
$this->discovery = new AnnotatedClassDiscovery('field/formatter', $namespaces, $annotation_namespaces, 'Drupal\\field\\Annotation\\FieldFormatter');
$this->discovery = new AlterDecorator($this->discovery, 'field_formatter_info');
$this->discovery = new CacheDecorator($this->discovery, 'field_formatter_types', 'field');
}
/**
* {@inheritdoc}
*/
public function createInstance($plugin_id, array $configuration) {
$plugin_definition = $this->discovery
->getDefinition($plugin_id);
$plugin_class = DefaultFactory::getPluginClass($plugin_id, $plugin_definition);
return new $plugin_class($plugin_id, $plugin_definition, $configuration['instance'], $configuration['settings'], $configuration['label'], $configuration['view_mode']);
}
/**
* Overrides PluginManagerBase::getInstance().
*
* @param array $options
* An array with the following key/value pairs:
* - instance: (FieldInstance) The field instance.
* - view_mode: (string) The view mode.
* - prepare: (bool, optional) Whether default values should get merged in
* the 'configuration' array. Defaults to TRUE.
* - configuration: (array) the configuration for the formatter. The
* following key value pairs are allowed, and are all optional if
* 'prepare' is TRUE:
* - label: (string) Position of the label. The default 'field' theme
* implementation supports the values 'inline', 'above' and 'hidden'.
* Defaults to 'above'.
* - type: (string) The formatter to use. Defaults to the
* 'default_formatter' for the field type, specified in
* hook_field_info(). The default formatter will also be used if the
* requested formatter is not available.
* - settings: (array) Settings specific to the formatter. Each setting
* defaults to the default value specified in the formatter definition.
*
* @return \Drupal\field\Plugin\Type\Formatter\FormatterInterface
* A formatter object.
*/
public function getInstance(array $options) {
$configuration = $options['configuration'];
$instance = $options['instance'];
$field = field_info_field($instance['field_name']);
// Fill in default configuration if needed.
if (!isset($options['prepare']) || $options['prepare'] == TRUE) {
$configuration = $this
->prepareConfiguration($field['type'], $configuration);
}
$plugin_id = $configuration['type'];
// Switch back to default formatter if either:
// - $type_info doesn't exist (the widget type is unknown),
// - the field type is not allowed for the widget.
$definition = $this
->getDefinition($configuration['type']);
if (!isset($definition['class']) || !in_array($field['type'], $definition['field_types'])) {
// Grab the default widget for the field type.
$field_type_definition = field_info_field_types($field['type']);
$plugin_id = $field_type_definition['default_formatter'];
}
$configuration += array(
'instance' => $instance,
'view_mode' => $options['view_mode'],
);
return $this
->createInstance($plugin_id, $configuration);
}
/**
* Merges default values for formatter configuration.
*
* @param string $field_type
* The field type.
* @param array $properties
* An array of formatter configuration.
*
* @return array
* The display properties with defaults added.
*/
public function prepareConfiguration($field_type, array $configuration) {
// Fill in defaults for missing properties.
$configuration += array(
'label' => 'above',
'settings' => array(),
);
// If no formatter is specified, use the default formatter.
if (!isset($configuration['type'])) {
$field_type = field_info_field_types($field_type);
$configuration['type'] = $field_type['default_formatter'];
}
// Fill in default settings values for the formatter.
$configuration['settings'] += field_info_formatter_settings($configuration['type']);
return $configuration;
}
/**
* Returns an array of formatter options for a field type.
*
* @param string|null $field_type
* (optional) The name of a field type, or NULL to retrieve all formatters.
*
* @return array
* If no field type is provided, returns a nested array of all formatters,
* keyed by field type.
*/
public function getOptions($field_type = NULL) {
if (!isset($this->formatterOptions)) {
$field_types = field_info_field_types();
$options = array();
foreach ($this
->getDefinitions() as $name => $formatter) {
foreach ($formatter['field_types'] as $formatter_field_type) {
// Check that the field type exists.
if (isset($field_types[$formatter_field_type])) {
$options[$formatter_field_type][$name] = $formatter['label'];
}
}
}
$this->formatterOptions = $options;
}
if ($field_type) {
return !empty($this->formatterOptions[$field_type]) ? $this->formatterOptions[$field_type] : array();
}
return $this->formatterOptions;
}
}
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
FormatterPluginManager:: |
protected | property | An array of formatter options for each field type. | |
FormatterPluginManager:: |
public | function |
Returns a preconfigured instance of a plugin. Overrides PluginManagerBase:: |
|
FormatterPluginManager:: |
public | function |
Overrides PluginManagerBase::getInstance(). Overrides PluginManagerBase:: |
|
FormatterPluginManager:: |
public | function | Returns an array of formatter options for a field type. | |
FormatterPluginManager:: |
public | function | Merges default values for formatter configuration. | |
FormatterPluginManager:: |
public | function | Constructs a FormatterPluginManager object. | |
PluginManagerBase:: |
protected | property | A set of defaults to be referenced by $this->processDefinition() if additional processing of plugins is necessary or helpful for development purposes. | 3 |
PluginManagerBase:: |
protected | property | The object that discovers plugins managed by this manager. | |
PluginManagerBase:: |
protected | property | The object that instantiates plugins managed by this manager. | |
PluginManagerBase:: |
protected | property | The object that returns the preconfigured plugin instance appropriate for a particular runtime condition. | |
PluginManagerBase:: |
public | function |
Clears static and persistent plugin definition caches. Overrides CachedDiscoveryInterface:: |
|
PluginManagerBase:: |
public | function |
Gets a specific plugin definition. Overrides DiscoveryInterface:: |
|
PluginManagerBase:: |
public | function |
Gets the definition of all plugins for this type. Overrides DiscoveryInterface:: |
|
PluginManagerBase:: |
public | function | Performs extra processing on plugin definitions. | 2 |