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<?php
namespace Drupal\Core\Condition;
use Drupal\Component\Plugin\Context\ContextInterface;
use Drupal\Core\Plugin\DefaultLazyPluginCollection;
/**
* Provides a collection of condition plugins.
*/
class ConditionPluginCollection extends DefaultLazyPluginCollection {
/**
* An array of collected contexts for conditions.
*
* @var \Drupal\Component\Plugin\Context\ContextInterface[]
*/
protected $conditionContexts = [];
/**
* {@inheritdoc}
*
* @return \Drupal\Core\Condition\ConditionInterface
* The condition plugin instance for the given instance ID.
*/
public function &get($instance_id) {
return parent::get($instance_id);
}
/**
* {@inheritdoc}
*/
public function getConfiguration() {
$configuration = parent::getConfiguration();
// Remove configuration if it matches the defaults.
foreach ($configuration as $instance_id => $instance_config) {
$default_config = [];
$default_config['id'] = $instance_id;
$default_config += $this->get($instance_id)->defaultConfiguration();
// In order to determine if a plugin is configured, we must compare it to
// its default configuration. The default configuration of a plugin does
// not contain context_mapping and it is not used when the plugin is not
// configured, so remove the context_mapping from the instance config to
// compare the remaining values.
unset($instance_config['context_mapping']);
ksort($default_config);
ksort($instance_config);
// With PHP 8 type juggling, there should not be an issue using equal
// operator instead of identical operator. Allowing looser comparison here
// will prevent configuration from being erroneously exported when values
// are updated via form elements that return values of the wrong type, for
// example, '0'/'1' vs FALSE/TRUE.
if ($default_config == $instance_config) {
unset($configuration[$instance_id]);
}
}
return $configuration;
}
/**
* Sets the condition context for a given name.
*
* @param string $name
* The name of the context.
* @param \Drupal\Component\Plugin\Context\ContextInterface $context
* The context to add.
*
* @return $this
*/
public function addContext($name, ContextInterface $context) {
$this->conditionContexts[$name] = $context;
return $this;
}
/**
* Gets the values for all defined contexts.
*
* @return \Drupal\Component\Plugin\Context\ContextInterface[]
* An array of set contexts, keyed by context name.
*/
public function getConditionContexts() {
return $this->conditionContexts;
}
}
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