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1 <?php
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2
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3 namespace Drupal\help;
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4
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5 use Drupal\Core\Cache\CacheBackendInterface;
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6 use Drupal\Core\Extension\ModuleHandlerInterface;
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7 use Drupal\Core\Plugin\DefaultPluginManager;
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8
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9 /**
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10 * Manages help page section plugins.
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11 *
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12 * @see \Drupal\help\HelpSectionPluginInterface
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13 * @see \Drupal\help\Plugin\HelpSection\HelpSectionPluginBase
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14 * @see \Drupal\help\Annotation\HelpSection
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15 * @see hook_help_section_info_alter()
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16 */
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17 class HelpSectionManager extends DefaultPluginManager {
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18
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19 /**
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20 * Constructs a new HelpSectionManager.
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21 *
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22 * @param \Traversable $namespaces
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23 * An object that implements \Traversable which contains the root paths
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24 * keyed by the corresponding namespace to look for plugin implementations.
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25 * @param \Drupal\Core\Cache\CacheBackendInterface $cache_backend
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26 * Cache backend instance to use.
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27 * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
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28 * The module handler for the alter hook.
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29 */
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30 public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
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31 parent::__construct('Plugin/HelpSection', $namespaces, $module_handler, 'Drupal\help\HelpSectionPluginInterface', 'Drupal\help\Annotation\HelpSection');
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32
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33 $this->alterInfo('help_section_info');
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34 $this->setCacheBackend($cache_backend, 'help_section_plugins');
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35 }
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36
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37 }
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