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<?php
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/**
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* @file
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* Icons for language links.
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*
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* This is a spin off from the Internationalization (i18n) package.
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*/
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/**
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* Implements hook_theme().
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*/
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function languageicons_theme() {
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return array(
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'languageicons_icon' => array(
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'variables' => array('language' => NULL, 'title' => NULL),
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),
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'languageicons_place' => array(
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'variables' => array('text' => NULL, 'icon' => NULL, 'separator' => ' '),
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),
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);
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}
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/**
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* Implements hook_help().
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*
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* @todo The @handbook link needs to change to a module specific one.
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*/
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function languageicons_help($path, $arg) {
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switch ($path) {
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case 'admin/help#languageicons':
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$output = '<p>' . t('This module manages language icons for multilingual sites:') . '</p>';
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$output .= '<ul>';
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$output .= '<li>' . t('Automatically adds icons to language links.') . '</li>';
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$output .= '<li>' . t('Provides related theme functions.') . '</li>';
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$output .= '</ul>';
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$output .= '<p>' . t('For more information, please see <a href="@handbook">the online handbook section</a>.', array('@handbook' => 'http://drupal.org/node/133977')) . '</p>';
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return $output;
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case 'admin/config/regional/language/icons':
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$output = '<p>' . t('To enable multilingual support for specific content types go to <a href="@configure_content_types">configure content types</a>.', array('@configure_content_types' => url('admin/structure/types'))) . '</p>';
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return $output;
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}
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}
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/**
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* Implements hook_menu().
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*/
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function languageicons_menu() {
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$items['admin/config/regional/language/icons'] = array(
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'title' => 'Icons',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('languageicons_admin_settings'),
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'weight' => 10,
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'type' => MENU_LOCAL_TASK,
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'access arguments' => array('administer languages'),
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'file' => 'languageicons.admin.inc',
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);
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return $items;
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}
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/**
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* Implements hook_language_switch_links_alter().
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*
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* Adds language icons to language switcher block links.
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*
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* @todo Figure out a way to either ignore node links or specifically target
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* them here. See http://drupal.org/node/1005144 for more info.
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*/
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function languageicons_language_switch_links_alter(array &$links, $type, $path) {
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if (variable_get('languageicons_show_block', 1) || variable_get('languageicons_show_node', 1)) {
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foreach (array_keys($links) as $langcode) {
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if (!isset($links[$langcode]['language'])) {
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$lang_obj['language'] = $langcode;
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$links[$langcode]['language'] = (object) $lang_obj;
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}
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languageicons_link_add($links[$langcode]);
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}
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}
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}
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/**
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* Add language icon to link.
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*
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* The language icon may be a different language as the destination page, can be passed in 'language_icon'.
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*/
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function languageicons_link_add(&$link, $title = NULL) {
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$language = isset($link['language_icon']) ? $link['language_icon'] : $link['language'];
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$title = $title ? $title : $link['title'];
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$icon = theme('languageicons_icon', array(
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'language' => $language,
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'title' => check_plain($title),
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));
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if ($icon) {
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$link['title'] = theme('languageicons_place', array(
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'text' => check_plain($link['title']),
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'icon' => $icon,
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));
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$link['html'] = TRUE;
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}
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}
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/**
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* Theme language icon.
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*
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* This function can be overridden for no language icons.
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*
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* @seealso theme_image()
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*/
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function theme_languageicons_icon($variables) {
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$language = $variables['language'];
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$title = $variables['title'];
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if ($path = variable_get('languageicons_path', drupal_get_path('module', 'languageicons') . '/flags/*.png')) {
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$title = $title ? $title : $language->native;
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// Build up $image for theme_image() consumption.
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$image = array(
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'path' => str_replace('*', $language->language, check_plain($path)),
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'alt' => $title,
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'title' => $title,
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'attributes' => array(
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'class' => array('language-icon'),
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),
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);
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if ($size = check_plain(variable_get('languageicons_size', '16x12'))) {
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list($width, $height) = explode('x', $size);
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$image += array('width' => $width, 'height' => $height);
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}
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return theme('image', $image);
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}
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}
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/**
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* Theme language icon and text.
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*
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* @ingroup themeable
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*/
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function theme_languageicons_place($variables) {
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$text = $variables['text'];
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$icon = $variables['icon'];
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$separator = $variables['separator'];
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switch (variable_get('languageicons_placement', 'before')) {
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case 'after':
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return $text . $separator . $icon;
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case 'replace':
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return $icon;
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case 'before':
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default:
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return $icon . $separator . $text;
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}
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}
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