language_selection_page.helpers.inc in Language Selection Page 7.2

This file contains all the custom functions needed for the module.

File

includes/language_selection_page.helpers.inc

<?php

/**
 * @file
 * This file contains all the custom functions needed for the module.
 */

/**
 * Return an array with the real language count from DB and the one from vars.
 *
 * @return array
 */
function language_selection_page_check_language_count() {

  // We cannot rely on the variables from Features or system.
  $language_count = language_list('enabled');
  return array(
    'db' => count($language_count[1]),
    'vars' => variable_get('language_count', 1),
  );
}

/**
 * Callback to check if a language has been detected.
 *
 * @return bool|mixed
 *   If no language is detected returns FALSE or the language object.
 */
function language_selection_page_is_negotiation_detected() {
  if (!isset($GLOBALS['language']->provider)) {
    return FALSE;
  }
  if ($GLOBALS['language']->provider == 'language-default') {
    return FALSE;
  }
  return $GLOBALS['language'];
}

/**
 * Callback that fills an array for the template.
 *
 * Alter it with an alter hook: hook_language_selection_page_data_alter().
 *
 * @param string $from
 *   The path the user is coming from. This is the path the user will be
 *   proposed to go in different languages.
 *
 * @return array
 */
function language_selection_page_selection_page_data($from = '<front>') {
  $language_selection_page = array();
  $language_none_object = new StdClass();
  $language_none_object->language = LANGUAGE_NONE;
  $query = drupal_get_query_parameters();
  $url = url($from, array(
    'query' => $query,
    'language' => $language_none_object,
  ));
  unset($query['q']);

  // prepare information about the link the user is coming from
  $language_selection_page['from'] = array(
    'text' => $from,
    'query' => $query,
    'url' => $url,
    'link' => l($url, $from, array(
      'query' => $query,
      'language' => $language_none_object,
    )),
  );

  // prepare the links per language
  $language_enabled = language_list('enabled');
  foreach ($language_enabled['1'] as $language) {

    // @TODO: is prefix check necessary?
    if (!$language->prefix) {
      continue;
    }
    $language_selection_page['links'][] = array(
      'language' => $language,
      'from' => $from,
      'query' => $query,
      'url' => url($from, array(
        'query' => $query,
        'language' => $language,
      )),
      'link' => l($language->native, $from, array(
        'query' => $query,
        'language' => $language,
        'attributes' => array(
          'class' => array(
            'language_selection_page_link',
            'language_selection_page_link_' . drupal_html_class($language->language),
          ),
        ),
      )),
    );
  }

  // before we start processing the gathered data, we let other modules alter it
  // by letting them implement hook_language_selection_page_data_alter(&$data)
  drupal_alter('language_selection_page_data', $language_selection_page);
  return $language_selection_page;
}

Functions

Name	Description
language_selection_page_check_language_count	Return an array with the real language count from DB and the one from vars.
language_selection_page_is_negotiation_detected	Callback to check if a language has been detected.
language_selection_page_selection_page_data	Callback that fills an array for the template.