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<?php
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// $Id: languageicons.module,v 1.4 2009/02/02 20:10:33 freso Exp $
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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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* @author Jose A. Reyero, 2007
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*/
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/**
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* Implementation of 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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'arguments' => array('language' => NULL, 'title' => NULL),
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),
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'languageicons_place' => array(
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'arguments' => 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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* Implementation of hook_help().
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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 read the <a href="@i18n">on-line help pages</a>.', array('@i18n' => 'http://drupal.org/node/31631')) .'</p>';
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return $output;
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case 'admin/settings/languageicons':
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$output .= '<p>'. t('To enable multilingual support for specific content types go to !configure_content_types.', array('!configure_content_types' => l(t('configure content types'), 'admin/content/types'))) .'</p>';
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return $output;
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function languageicons_menu() {
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$items['admin/settings/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 $items;
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}
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/**
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* Implementation of hook_alter_translation_link().
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*
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* Adds language icons to normal translation links.
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*/
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function languageicons_translation_link_alter(&$links, $path) {
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if (variable_get('languageicons_show_block', 1)) {
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foreach (array_keys($links) as $langcode) {
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languageicons_link_add($links[$langcode]);
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}
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}
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}
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/**
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* Implementation of hook_link_alter().
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*
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* Adds language icons to node links.
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*/
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function languageicons_link_alter(&$links, $node) {
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if (variable_get('languageicons_show_node', 1) && (!empty($node->tnid)) && $translations = module_invoke('translation', 'node_get_translations', $node->tnid)) {
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$languages = language_list();
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foreach ($translations as $langcode => $translation) {
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$index = 'node_translation_'. $langcode;
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if (!empty($links[$index])) {
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languageicons_link_add($links[$index]);
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}
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}
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}
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}
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/**
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* Add language icon to link.
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*
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* The language icon may be a different language as the destination page, can be passed in 'language_icon'.
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*/
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function languageicons_link_add(&$link, $title = NULL) {
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$language = isset($link['language_icon']) ? $link['language_icon'] : $link['language'];
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$title = $title ? $title : $link['title'];
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if ($icon = theme('languageicons_icon', $language, $title)) {
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$link['title'] = theme('languageicons_place', $link['title'], $icon);
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$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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function theme_languageicons_icon($language, $title = NULL) {
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if ($path = variable_get('languageicons_path', drupal_get_path('module', 'languageicons') .'/flags/*.png')) {
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$src = base_path() . str_replace('*', $language->language, $path);
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$title = $title ? $title : $language->native;
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$attribs = array('class' => 'language-icon', 'alt' => $title);
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if ($size = variable_get('languageicons_size', '16x12')) {
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list($width, $height) = explode('x', $size);
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$attribs += array('width' => $width, 'height' => $height);
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}
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return "<img src='$src' ". drupal_attributes($attribs) .' />';
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}
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}
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/**
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* Theme language icon and text.
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*
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* @ingroup themeable
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*/
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function theme_languageicons_place($text, $icon, $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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