<?php

/**

 * @file

 * User page callbacks for the Translation module.

 */

/**

 * Page callback: Displays a list of a node's translations.

 *

 * @param $node

 *   A node object.

 *

 * @return

 *   A render array for a page containing a list of content.

 *

 * @see translation_menu()

 */

function translation_node_overview($node) {

  include_once DRUPAL_ROOT . '/includes/language.inc';

  if ($node->tnid) {

    // Already part of a set, grab that set.

    $tnid = $node->tnid;

    $translations = translation_node_get_translations($node->tnid);

  }

  else {

    // We have no translation source nid, this could be a new set, emulate that.

    $tnid = $node->nid;

    $translations = array(entity_language('node', $node) => $node);

  }

  $type = variable_get('translation_language_type', LANGUAGE_TYPE_INTERFACE);

  $header = array(t('Language'), t('Title'), t('Status'), t('Operations'));

  foreach (language_list() as $langcode => $language) {

    $options = array();

    $language_name = $language->name;

    if (isset($translations[$langcode])) {

      // Existing translation in the translation set: display status.

      // We load the full node to check whether the user can edit it.

      $translation_node = node_load($translations[$langcode]->nid);

      $path = 'node/' . $translation_node->nid;

      $links = language_negotiation_get_switch_links($type, $path);

      $title = empty($links->links[$langcode]['href']) ? l($translation_node->title, $path) : l($translation_node->title, $links->links[$langcode]['href'], $links->links[$langcode]);

      if (node_access('update', $translation_node)) {

        $text = t('edit');

        $path = 'node/' . $translation_node->nid . '/edit';

        $links = language_negotiation_get_switch_links($type, $path);

        $options[] = empty($links->links[$langcode]['href']) ? l($text, $path) : l($text, $links->links[$langcode]['href'], $links->links[$langcode]);

      }

      $status = $translation_node->status ? t('Published') : t('Not published');

      $status .= $translation_node->translate ? ' - <span class="marker">' . t('outdated') . '</span>' : '';

      if ($translation_node->nid == $tnid) {

        $language_name = t('<strong>@language_name</strong> (source)', array('@language_name' => $language_name));

      }

    }

    else {

      // No such translation in the set yet: help user to create it.

      $title = t('n/a');

      if (node_access('create', $node)) {

        $text = t('add translation');

        $path = 'node/add/' . str_replace('_', '-', $node->type);

        $links = language_negotiation_get_switch_links($type, $path);

        $query = array('query' => array('translation' => $node->nid, 'target' => $langcode));

        $options[] = empty($links->links[$langcode]['href']) ? l($text, $path, $query) : l($text, $links->links[$langcode]['href'], array_merge_recursive($links->links[$langcode], $query));

      }

      $status = t('Not translated');

    }

    $rows[] = array($language_name, $title, $status, implode(" | ", $options));

  }

  drupal_set_title(t('Translations of %title', array('%title' => $node->title)), PASS_THROUGH);

  $build['translation_node_overview'] = array(

    '#theme' => 'table',

    '#header' => $header,

    '#rows' => $rows,

  );

  return $build;

}