function translation_node_view

Implements hook_node_view().

Displays translation links with language names if this node is part of a translation set. If no language provider is enabled, "fall back" to simple links built through the result of translation_node_get_translations().

File

modules/translation/translation.module, line 216

Code

function translation_node_view($node, $view_mode) {
    // If the site has no translations or is not multilingual we have no content
    // translation links to display.
    if (isset($node->tnid) && drupal_multilingual() && ($translations = translation_node_get_translations($node->tnid))) {
        $languages = language_list('enabled');
        $languages = $languages[1];
        // There might be a language provider enabled defining custom language
        // switch links which need to be taken into account while generating the
        // content translation links. As custom language switch links are available
        // only for configurable language types and interface language is the only
        // configurable language type in core, we use it as default. Contributed
        // modules can change this behavior by setting the system variable below.
        $type = variable_get('translation_language_type', LANGUAGE_TYPE_INTERFACE);
        $custom_links = language_negotiation_get_switch_links($type, "node/{$node->nid}");
        $links = array();
        foreach ($translations as $langcode => $translation) {
            // Do not show links to the same node, to unpublished translations or to
            // translations in disabled languages.
            if ($translation->status && isset($languages[$langcode]) && $langcode != entity_language('node', $node)) {
                $language = $languages[$langcode];
                $key = "translation_{$langcode}";
                if (isset($custom_links->links[$langcode])) {
                    $links[$key] = $custom_links->links[$langcode];
                }
                else {
                    $links[$key] = array(
                        'href' => "node/{$translation->nid}",
                        'title' => $language->native,
                        'language' => $language,
                    );
                }
                // Custom switch links are more generic than content translation links,
                // hence we override existing attributes with the ones below.
                $links[$key] += array(
                    'attributes' => array(),
                );
                $attributes = array(
                    'title' => $translation->title,
                    'class' => array(
                        'translation-link',
                    ),
                );
                $links[$key]['attributes'] = $attributes + $links[$key]['attributes'];
            }
        }
        $node->content['links']['translation'] = array(
            '#theme' => 'links__node__translation',
            '#links' => $links,
            '#attributes' => array(
                'class' => array(
                    'links',
                    'inline',
                ),
            ),
        );
    }
}