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<?php
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/**
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* @file
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* Helper functions for taxonomy administration.
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*/
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/**
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* This is the callback for taxonomy translations.
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*
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* Gets the urls:
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* admin/content/taxonomy/%taxonomy_vocabulary/translation
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* admin/content/taxonomy/i18n/term/xx
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* admin/content/taxonomy/i18n/term/new/xx
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* admin/content/taxonomy/vid/translation/op/trid
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*/
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function i18n_taxonomy_page_vocabulary($vocabulary, $op = NULL, $tid = NULL) {
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switch ($op) {
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case 'edit':
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drupal_set_title(t('Edit term translations'));
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$output = drupal_get_form('i18n_taxonomy_translation_term_form', $vocabulary, $tid);
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break;
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default:
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$output = i18n_taxonomy_translation_overview($vocabulary);
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}
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return $output;
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}
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/**
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* Produces a vocabulary translation form.
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*/
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function i18n_taxonomy_translation_term_form($form, $form_state, $vocabulary, $translation_set = NULL, $source = NULL) {
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$form['translation_set'] = array('#type' => 'value', '#value' => $translation_set);
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$translations = $translation_set ? $translation_set->get_translations() : array();
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$form['vocabulary'] = array('#type' => 'value', '#value' => $vocabulary);
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$form['translations'] = array(
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'#type' => 'fieldset',
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'#title' => t('Select translations'),
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'#description' => t('Select existing terms or type new ones that will be created for each language.'),
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'#tree' => TRUE
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);
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// List of terms for languages.
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foreach (i18n_language_list() as $lang => $langname) {
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if ($source && $source->language == $lang) {
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// This is the source term, we don't change it
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$form['source_term'] = array('#type' => 'value', '#value' => $source);
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$form['translations'][$lang] = array(
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'#title' => $langname,
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'#type' => 'item',
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'#markup' => $source->name,
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'#langcode' => $lang,
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);
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}
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else {
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$form['translations'][$lang] = array(
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'#title' => $langname,
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'#type' => 'textfield',
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'#default_value' => isset($translations[$lang]) ? $translations[$lang]->name : '',
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'#autocomplete_path' => 'i18n/taxonomy/autocomplete/vocabulary/' . $vocabulary->machine_name . '/' . $lang,
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'#langcode' => $lang,
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'#maxlength' => 1024,
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'#element_validate' => array('i18n_taxonomy_autocomplete_validate'),
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);
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}
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}
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Save')
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);
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if ($translation_set) {
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$form['delete'] = array(
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'#type' => 'submit',
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'#value' => t('Delete')
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);
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}
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return $form;
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}
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/**
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* Form element validate handler for taxonomy term autocomplete element.
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*/
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function i18n_taxonomy_autocomplete_validate($element, &$form_state) {
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// Autocomplete widgets do not send their tids in the form, so we must detect
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// them here and process them independently.
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$value = array();
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if ($tags = $element['#value']) {
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// Collect candidate vocabularies.
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$vocabulary = $form_state['values']['vocabulary'];
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$vocabularies[$vocabulary->vid] = $vocabulary;
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// Translate term names into actual terms.
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$typed_terms = drupal_explode_tags($tags);
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foreach ($typed_terms as $typed_term) {
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// See if the term exists in the chosen vocabulary and return the tid;
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// otherwise, create a new 'autocreate' term for insert/update.
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if ($possibilities = taxonomy_term_load_multiple(array(), array('name' => trim($typed_term), 'vid' => $vocabulary->vid, 'language' => $element['#langcode']))) {
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$term = array_pop($possibilities);
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}
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else {
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$vocabulary = reset($vocabularies);
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$term = array(
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'tid' => 'autocreate',
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'vid' => $vocabulary->vid,
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'name' => $typed_term,
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'vocabulary_machine_name' => $vocabulary->machine_name,
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'language' => $element['#langcode'],
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);
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}
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$value[] = (array)$term;
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}
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}
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form_set_value($element, $value, $form_state);
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}
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/**
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* Form callback: Process vocabulary translation form.
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*/
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function i18n_taxonomy_translation_term_form_submit($form, &$form_state) {
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$translation_set = $form_state['values']['translation_set'];
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$vocabulary = $form_state['values']['vocabulary'];
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switch ($form_state['values']['op']) {
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case t('Save'):
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$term_translations = array_filter($form_state['values']['translations']);
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foreach ($term_translations as $lang => $lang_terms) {
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$item = reset($lang_terms);
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if ($item['tid'] == 'autocreate') {
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$term = (object) $item;
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unset($term->tid);
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taxonomy_term_save($term);
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}
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else {
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$term = (object) $item;
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}
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$translations[$lang] = $term;
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}
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if (!empty($form_state['values']['source_term'])) {
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$term = $form_state['values']['source_term'];
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$translations[$term->language] = $term;
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}
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if (!empty($translations)) {
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$translation_set = $translation_set ? $translation_set : i18n_translation_set_create('taxonomy_term', $vocabulary->machine_name);
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$translation_set
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->reset_translations($translations)
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->save(TRUE);
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drupal_set_message(t('Term translations have been updated.'));
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}
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else {
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drupal_set_message(t('There are no translations to be saved.'), 'error');
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}
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break;
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case t('Delete'):
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$translation_set->delete(TRUE);
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drupal_set_message(t('The term translation has been deleted.'));
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$form_state['redirect'] = 'admin/structure/taxonomy/' . $form_state['values']['vocabulary']->machine_name . '/translation';
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break;
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}
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}
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/**
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* Generate a tabular listing of translations for vocabularies.
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*/
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function i18n_taxonomy_translation_sets_overview($vocabulary) {
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module_load_include('admin.inc', 'i18n_translation');
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drupal_set_title($vocabulary->name);
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$query = db_select('i18n_translation_set', 't')
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->condition('t.bundle', $vocabulary->machine_name);
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return i18n_translation_admin_overview('taxonomy_term', $query);
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}
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/**
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* Callback for term translation tab.
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*/
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function i18n_taxonomy_translation_term_overview($term) {
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if ($term->i18n_tsid) {
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// Already part of a set, grab that set.
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$i18n_tsid = $term->i18n_tsid;
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$translation_set = i18n_translation_set_load($term->i18n_tsid);
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$translation_set->get_translations();
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$translations = $translation_set->get_translations();
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}
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else {
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// We have no translation source nid, this could be a new set, emulate that.
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$i18n_tsid = $term->tid;
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$translations = array($term->language => $term);
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}
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$type = variable_get('translation_language_type', LANGUAGE_TYPE_INTERFACE);
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$header = array(t('Language'), t('Title'), t('Operations'));
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foreach (i18n_language_list() as $langcode => $language_name) {
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$options = array();
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if (isset($translations[$langcode])) {
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// Existing translation in the translation set: display status.
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// We load the full node to check whether the user can edit it.
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$translation_term = taxonomy_term_load($translations[$langcode]->tid);
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$path = 'taxonomy/term/' . $translation_term->tid;
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$title = l($translation_term->name, $path);
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$options['edit'] = array(
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'#type' => 'link',
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'#title' => t('edit'),
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'#href' => $path . '/edit',
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'#options' => array(
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'query' => drupal_get_destination(),
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),
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);
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if ($translation_term->tid == $i18n_tsid) {
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$language_name = t('<strong>@language_name</strong> (source)', array('@language_name' => $language_name));
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}
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}
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else {
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// No such translation in the set yet: help user to create it.
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$title = t('n/a');
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$options['add'] = array(
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'#type' => 'link',
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'#title' => t('add translation'),
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'#href' => 'admin/structure/taxonomy/' . $term->vocabulary_machine_name . '/add',
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'#options' => array(
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'query' => array('translation' => $term->tid, 'target' => $langcode) + drupal_get_destination()
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),
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);
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}
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$rows[$langcode] = array(
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'language' => $language_name,
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'title' => $title,
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'operations' => array('data' => $options),
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);
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}
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drupal_set_title(t('Translations of term %title', array('%title' => $term->name)), PASS_THROUGH);
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$build['translation_overview'] = array(
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'#theme' => 'table',
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'#header' => $header,
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'#rows' => $rows,
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);
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return $build;
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}
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