translation_reminder.module

<?php
/**
 * @file
 * Improves node translation workflow by adding options to node form.
 */

/**
 * Implementation of hook_init().
 */
function translation_reminder_init() {
  // Add JS and CSS to node form pages.
  // We can’t do this in hook_form_alter() because it won’t get called
  // for node preview pages.
  if (arg(0) == 'node' && arg(1) == 'add' or arg(0) == 'node' && is_numeric(arg(1)) && arg(2) == 'edit') {
    $module_path = drupal_get_path('module', 'translation_reminder');
    drupal_add_js($module_path . '/translation_reminder.js');
    drupal_add_css($module_path . '/translation_reminder.css');
  }
}

/**
 * Implementation of hook_form_alter().
 */
function translation_reminder_form_alter(&$form, $form_state, $form_id) {
  if (preg_match('/_node_form$/', $form_id)) {
    $languages = language_list();
    $node = $form['#node'];
    // Only display if more than one language is available and
    // if node is translatable.
    if (count($languages) > 1 && variable_get('language_content_type_' . $node->type, 0) > 1) {
      include_once './includes/locale.inc';
      $query = _locale_translate_seek_query();
      // Create form item.
      $form['translation_options'] = array(
        '#attributes' => array('class' => 'translation-reminder-options'),
        '#type' => 'radios',
        '#title' => t('Translation Options'),
        '#description' => t('Which action would you like to take after saving?'),
        '#default_value' => '',
        '#options' => array(
          '' => t('Do not create translation'),
        ),
        // Give item heavy weight to display close to save button.
        '#weight' => 101,
        '#prefix' => '<div id="translation-reminder-options" class="warning">',
        '#suffix' => '</div>',
      );
      // Add translate option for each active language.
      foreach ($languages as $language) {
        $form['translation_options']['#options'][$language->language] = t('Create @language translation', array('@language' => t($language->name)));
      }
      // Editing translation.
      if (isset($form['nid']['#value']) && !empty($form['nid']['#value'])) {
        $nid = $form['nid']['#value'];
      }
      // Creating new translation.
      else if (isset($query['translation']) && !empty($query['translation'])) {
        $nid = $query['translation'];
        if (!empty($query['language'])) {
          // Remove option to translate into current node language.
          unset($form['translation_options']['#options'][$query['language']]);
        }
      }
      if (is_numeric($nid)) {
        $result = db_fetch_object(db_query("SELECT n.tnid, n.nid, n.title, n.language FROM {node} n WHERE n.nid = '%d' LIMIT 1", $nid));
        $tnid = $result->tnid;
        $translations = $tnid > 0 ? translation_node_get_translations($tnid) : array($result->language => $result);
        if (is_array($translations)) {
          $options = array();
          foreach ($translations as $lang => $node) {
            // Remove option to translate into current node language.
            if ($node->nid == $nid && $lang == $form['#node']->language && !empty($lang)) {
              unset($form['translation_options']['#options'][$lang]);
            }
            // Otherwise add option to edit existing translation.
            else if (!empty($lang)) {
              $options[$lang] = t('Edit @language translation', array('@language' => t($languages[$lang]->name)));
            }
          }
          if (!empty($options)) {
            if ((count($form['translation_options']['#options']) - count($options)) == 1) {
              $options[''] = t('Do not edit translations');
            }
            else {
              $options[''] = t('Do not create or edit translations');
            }
            $form['translation_options']['#options'] = array_merge($form['translation_options']['#options'], $options);
          }
        }
      }
      // Process form after node_form_submit().
      $form['buttons']['submit']['#submit'][] = 'translation_reminder_node_form_submit';
    }
  }
}

/**
 * Process node form.
 */
function translation_reminder_node_form_submit($form, &$form_state) {
  global $language;
  $languages = language_list();
  if (!empty($form_state['values']['translation_options'])) {
    $nid = $form_state['nid'];
    $translation_lang = $form_state['values']['translation_options'];
    $tnid = db_result(db_query("SELECT n.tnid FROM {node} n WHERE n.nid = '%d' LIMIT 1", $nid));
    $translations = $tnid > 0 ? translation_node_get_translations($tnid) : array();
    if (in_array($translation_lang, array_keys($translations))) {
      // Translation exists.
      $redirect = array('node/' . $translations[$translation_lang]->nid . '/edit', 'query' => array());
    }
    else if ($form_state['node']['language'] != $translation_lang) {
      // Create new translation.
      $redirect = array(
        'node/add/' . str_replace('_', '-', $form_state['node']['type']),
        'query' => array(
          'translation' => $nid,
          'language' => $translation_lang,
        ),
      );
      $name = $languages[$translation_lang]->name;
      drupal_set_message(t('Enter the information for the @language version below.', array('@language' => t($name))));
    }
    if (!empty($redirect)) {
      //Switch user language?
      $language = variable_get('i18n_translation_switch', 0) ? $languages[$translation_lang] : $language->language ;
      if (isset($_REQUEST['destination'])) {
        $destination = array('destination' => $_REQUEST['destination']);
        $redirect['query'] = array_merge($redirect['query'], $destination);
        unset($_REQUEST['destination']);
      }
      $form_state['redirect'] =  $redirect;
    }
  }
}