/**
* {@inheritdoc}
*/
public function buildForm(array $form, array &$form_state)
{
$active = \Drupal::linkGenerator()->getActive();
$language_url = \Drupal::languageManager()->getLanguage(Language::TYPE_URL);
$unique_id = uniqid();
$module_path = drupal_get_path('module', 'lang_dropdown');
$options = $js_settings = $hidden_elements = array();
$selected_option_language_icon = $language_selected = $language_session_selected = '';
$form['lang_dropdown_type'] = array('#type' => 'value', '#default_value' => $this->type);
$form['lang_dropdown_tohome'] = array('#type' => 'value', '#default_value' => $this->settings['tohome']);
$language_objects = language_list();
// Support Domain access
if ($domain_locale_exists = module_exists('domain_locale')) {
global $_domain;
$domain_languages = domain_locale_lookup($_domain['domain_id']);
}
// Now we iterate on $languages to build the needed options for the select element.
foreach ($this->languages as $lang_code => $lang_options) {
// The language is not enabled on this domain
if ($domain_locale_exists && !array_key_exists($lang_code, $domain_languages)) {
continue;
}
// There is no translation for this language and not all languages are shown
if (in_array('locale-untranslated', $lang_options['attributes']['class']) && !$this->settings['showall']) {
continue;
}
// Build the options in an assosiative array, so it will be ready for #options in select form element.
switch ($this->settings['display']) {
case LANGDROPDOWN_DISPLAY_TRANSLATED:
$options += array($lang_code => t($language_objects[$lang_code]->name));
break;
case LANGDROPDOWN_DISPLAY_NATIVE:
$options += array($lang_code => t($language_objects[$lang_code]->name, array(), array('langcode' => $lang_code)));
break;
case LANGDROPDOWN_DISPLAY_LANGCODE:
$options += array($lang_code => $lang_code);
break;
default:
$options += array($lang_code => t($language_objects[$lang_code]->name));
break;
}
// Identify selected language
if (isset($lang_options['route_name'])) {
$variables = array('options' => array());
if (!empty($link['language'])) {
$variables['options']['language'] = $link['language'];
}
if ($lang_options['route_name'] == $active['route_name'] && (empty($variables['options']['language']) || $variables['options']['language']->id == $active['language']) && $lang_options['route_parameters'] == $active['parameters']) {
$language_selected = $lang_code;
}
} elseif (isset($lang_options['href'])) {
$is_current_path = $lang_options['href'] == current_path() || $lang_options['href'] == '<front>' && drupal_is_front_page();
$is_current_language = empty($lang_options['language']) || $lang_options['language']->id == $language_url->id;
if ($is_current_path && $is_current_language) {
$language_selected = $lang_code;
}
}
// Identify if session negotiation had set session-active class
// the trim is needed because of a bug in locale.inc, drupal version <7.24 at least
if (in_array('session-active', array_map('trim', $lang_options['attributes']['class']))) {
$language_session_selected = $lang_code;
}
// Now we build our hidden form inputs to handle the redirections.
$href = isset($lang_options['href']) && $this->settings['tohome'] == 0 ? $lang_options['href'] : '<front>';
if (!isset($lang_options['query'])) {
$lang_options['query'] = drupal_get_query_parameters();
}
$hidden_elements[$lang_code] = array('#type' => 'hidden', '#default_value' => url($href, $lang_options));
// Handle flags with Language icons module using JS widget.
if (module_exists('languageicons') && $this->settings['widget']) {
$languageicons_path = variable_get('languageicons_path', drupal_get_path('module', 'languageicons') . '/flags/*.png');
$js_settings['languageicons'][$lang_code] = file_create_url(str_replace('*', $lang_code, $languageicons_path));
}
}
// If session-active is set that's the selected language otherwise rely on $language_selected
$selected_option = $language_session_selected == '' ? $language_selected : $language_session_selected;
// Icon for the selected language
if (module_exists('languageicons') && !$this->settings['widget']) {
$selected_option_language_icon = theme('languageicons_icon', array('language' => (object) array('language' => $selected_option), 'title' => $language_names[$selected_option]));
}
// Add required files and settings for JS widget.
if ($this->settings['widget'] == LANGDROPDOWN_MSDROPDOWN) {
drupal_add_library('lang_dropdown', 'msdropdown');
$js_settings += array('widget' => 'msdropdown', 'visibleRows' => $this->settings['msdropdown']['visible_rows'], 'roundedCorner' => $this->settings['msdropdown']['rounded'], 'animStyle' => $this->settings['msdropdown']['animation'], 'event' => $this->settings['msdropdown']['event']);
$selected_skin = $this->settings['msdropdown']['skin'];
if ($selected_skin == 'custom') {
$custom_skin = check_plain($this->settings['msdropdown']['custom_skin']);
drupal_add_css(_lang_dropdown_get_msdropdown_path() . '/css/msdropdown/' . $custom_skin . '.css');
$js_settings += array('mainCSS' => $custom_skin);
} else {
$skins = _lang_dropdown_get_msdropdown_skins();
$skin_data = $skins[$selected_skin];
drupal_add_css($skin_data['file']);
$js_settings += array('mainCSS' => $skin_data['mainCSS']);
}
drupal_add_js(array('lang_dropdown' => array($unique_id => array('jsWidget' => $js_settings))), 'setting');
} else {
if ($this->settings['widget'] == LANGDROPDOWN_CHOSEN) {
drupal_add_library('lang_dropdown', 'chosen');
$js_settings += array('widget' => 'chosen', 'disable_search' => $this->settings['chosen']['disable_search'], 'no_results_text' => $this->settings['chosen']['no_results_text']);
drupal_add_js(array('lang_dropdown' => array($unique_id => array('jsWidget' => $js_settings))), 'setting');
} else {
if ($this->settings['widget'] == LANGDROPDOWN_DDSLICK) {
drupal_add_library('lang_dropdown', 'ddslick');
$selected_skin = $this->settings['ddslick']['skin'];
if ($selected_skin == 'custom') {
$custom_skin = check_plain($this->settings['ddslick']['custom_skin']);
drupal_add_css(_lang_dropdown_get_ddslick_path() . '/' . $custom_skin . '.css');
$ddsSkin = $custom_skin;
} else {
$skins = _lang_dropdown_get_ddslick_skins();
$skin_data = $skins[$selected_skin];
drupal_add_css($skin_data['file']);
$ddsSkin = $selected_skin;
}
$js_settings += array('widget' => 'ddslick', 'width' => $this->settings['width'], 'height' => $this->settings['ddslick']['ddslick_height'], 'showSelectedHTML' => $this->settings['ddslick']['showSelectedHTML'], 'imagePosition' => $this->settings['ddslick']['imagePosition']);
drupal_add_js(array('lang_dropdown' => array($unique_id => array('jsWidget' => $js_settings))), 'setting');
}
}
}
$this->settings['languageicons']['flag_position'] ? $flag_position = '#suffix' : ($flag_position = '#prefix');
// Now we build the $form array.
$form['lang_dropdown_select'] = array('#type' => 'select', '#default_value' => isset($selected_option) ? $selected_option : key($options), '#options' => $options, '#attributes' => array('style' => 'width:' . $this->settings['width'] . 'px', 'class' => array('lang-dropdown-select-element'), 'id' => 'lang-dropdown-select-' . $unique_id), '#attached' => array('js' => array($module_path . '/js/lang_dropdown.js'), 'css' => $this->settings['widget'] ? array() : array($module_path . '/css/lang_dropdown.css')));
if (empty($hidden_elements)) {
return array();
}
$form += $hidden_elements;
if (module_exists('languageicons')) {
$form['lang_dropdown_select'][$flag_position] = $selected_option_language_icon;
}
$form['#attributes']['class'] = array('lang_dropdown_form', $this->type);
$form['#attributes']['id'] = 'lang_dropdown_form_' . $unique_id;
if ($this->settings['widget'] == LANGDROPDOWN_DDSLICK) {
$form['#attributes']['class'][] = $ddsSkin;
}
$form['submit'] = array('#type' => 'submit', '#value' => t('Go'), '#prefix' => "<noscript><div>\n", '#suffix' => "\n</div></noscript>");
return $form;
}
/**
* {@inheritdoc}
*/
public function build()
{
// prevent erroneous configuration
if ($this->configuration['widget'] == LANGDROPDOWN_MSDROPDOWN && !_lang_dropdown_get_msdropdown_path()) {
return array();
}
if ($this->configuration['widget'] == LANGDROPDOWN_CHOSEN && !_lang_dropdown_get_chosen_path()) {
return array();
}
if ($this->configuration['widget'] == LANGDROPDOWN_DDSLICK && !_lang_dropdown_get_ddslick_path()) {
return array();
}
$build = array();
$path = drupal_is_front_page() ? '<front>' : current_path();
list(, $type) = explode(':', $this->getPluginId());
$languages = language_negotiation_get_switch_links($type, $path);
$user = \Drupal::currentUser();
$roles = $user->getRoles();
foreach ($languages->links as $langcode => $link) {
$hide_language = true;
foreach ($roles as $key => $role) {
if (!isset($this->configuration['hidden_languages'][$role]) || !in_array($langcode, $this->configuration['hidden_languages'][$role])) {
$hide_language = false;
break;
}
}
if ($hide_language) {
unset($languages->links[$langcode]['href']);
$languages->links[$langcode]['attributes']['class'][] = 'locale-untranslated';
}
}
if (empty($languages->links)) {
return array();
}
//$form = drupal_get_form('lang_dropdown_form', $languages, $type, $this->configuration);
$lang_dropdown_form = new LanguageDropdownForm($languages->links, $type, $this->configuration);
$form = \Drupal::formBuilder()->getForm($lang_dropdown_form);
return array('lang_dropdown_form' => $form);
if (!empty($languages->links)) {
$build = array('#theme' => 'links__language_block', '#links' => $languages->links, '#attributes' => array('class' => array("language-dropdown-switcher-{$links->method_id}")));
}
return $build;
}
