function TaxonomyHooks::help

Implements hook_help().

File

core/modules/taxonomy/src/Hook/TaxonomyHooks.php, line 19

Class

TaxonomyHooks

Hook implementations for taxonomy.

Namespace

Code

public function help($route_name, RouteMatchInterface $route_match) {
    switch ($route_name) {
        case 'help.page.taxonomy':
            $field_ui_url = \Drupal::moduleHandler()->moduleExists('field_ui') ? Url::fromRoute('help.page', [
                'name' => 'field_ui',
            ])->toString() : '#';
            $output = '';
            $output .= '<h2>' . t('About') . '</h2>';
            $output .= '<p>' . t('The Taxonomy module allows users who have permission to create and edit content to categorize (tag) content of that type. Users who have the <em>Administer vocabularies and terms</em> <a href=":permissions" title="Taxonomy module permissions">permission</a> can add <em>vocabularies</em> that contain a set of related <em>terms</em>. The terms in a vocabulary can either be pre-set by an administrator or built gradually as content is added and edited. Terms may be organized hierarchically if desired.', [
                ':permissions' => Url::fromRoute('user.admin_permissions.module', [
                    'modules' => 'taxonomy',
                ])->toString(),
            ]) . '</p>';
            $output .= '<p>' . t('For more information, see the <a href=":taxonomy">online documentation for the Taxonomy module</a>.', [
                ':taxonomy' => 'https://www.drupal.org/docs/8/core/modules/taxonomy',
            ]) . '</p>';
            $output .= '<h2>' . t('Uses') . '</h2>';
            $output .= '<dl>';
            $output .= '<dt>' . t('Managing vocabularies') . '</dt>';
            $output .= '<dd>' . t('Users who have the <em>Administer vocabularies and terms</em> permission can add and edit vocabularies from the <a href=":taxonomy_admin">Taxonomy administration page</a>. Vocabularies can be deleted from their <em>Edit vocabulary</em> page. Users with the <em>Taxonomy term: Administer fields</em> permission may add additional fields for terms in that vocabulary using the <a href=":field_ui">Field UI module</a>.', [
                ':taxonomy_admin' => Url::fromRoute('entity.taxonomy_vocabulary.collection')->toString(),
                ':field_ui' => $field_ui_url,
            ]) . '</dd>';
            $output .= '<dt>' . t('Managing terms') . '</dt>';
            $output .= '<dd>' . t('Users who have the <em>Administer vocabularies and terms</em> permission or the <em>Edit terms</em> permission for a particular vocabulary can add, edit, and organize the terms in a vocabulary from a vocabulary\'s term listing page, which can be accessed by going to the <a href=":taxonomy_admin">Taxonomy administration page</a> and clicking <em>List terms</em> in the <em>Operations</em> column. Users must have the <em>Administer vocabularies and terms</em> permission or the <em>Delete terms</em> permission for a particular vocabulary to delete terms.', [
                ':taxonomy_admin' => Url::fromRoute('entity.taxonomy_vocabulary.collection')->toString(),
            ]) . ' </dd>';
            $output .= '<dt>' . t('Classifying entity content') . '</dt>';
            $output .= '<dd>' . t('A user with the <em>Administer fields</em> permission for a certain entity type may add <em>Taxonomy term</em> reference fields to the entity type, which will allow entities to be classified using taxonomy terms. See the <a href=":entity_reference">Entity Reference help</a> for more information about reference fields. See the <a href=":field">Field module help</a> and the <a href=":field_ui">Field UI help</a> pages for general information on fields and how to create and manage them.', [
                ':field_ui' => $field_ui_url,
                ':field' => Url::fromRoute('help.page', [
                    'name' => 'field',
                ])->toString(),
                ':entity_reference' => Url::fromRoute('help.page', [
                    'name' => 'entity_reference',
                ])->toString(),
            ]) . '</dd>';
            $output .= '<dt>' . t('Adding new terms during content creation') . '</dt>';
            $output .= '<dd>' . t("Allowing users to add new terms gradually builds a vocabulary as content is added and edited. Users can add new terms if either of the two <em>Autocomplete</em> widgets is chosen for the Taxonomy term reference field in the <em>Manage form display</em> page for the field. You will also need to enable the <em>Create referenced entities if they don't already exist</em> option, and restrict the field to one vocabulary.") . '</dd>';
            $output .= '<dt>' . t('Configuring displays and form displays') . '</dt>';
            $output .= '<dd>' . t('See the <a href=":entity_reference">Entity Reference help</a> page for the field widgets and formatters that can be configured for any reference field on the <em>Manage display</em> and <em>Manage form display</em> pages. Taxonomy additionally provides an <em>RSS category</em> formatter that displays nothing when the entity item is displayed as HTML, but displays an RSS category instead of a list when the entity item is displayed in an RSS feed.', [
                ':entity_reference' => Url::fromRoute('help.page', [
                    'name' => 'entity_reference',
                ])->toString(),
            ]) . '</li>';
            $output .= '</ul>';
            $output .= '</dd>';
            $output .= '</dl>';
            return $output;
        case 'entity.taxonomy_vocabulary.collection':
            $output = '<p>' . t('Taxonomy is for categorizing content. Terms are grouped into vocabularies. For example, a vocabulary called "Fruit" would contain the terms "Apple" and "Banana".') . '</p>';
            return $output;
    }
}