lang.php

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<?php
class Lang {
    private $languages = array();   
    private $defaultlang;           
    function __construct() {
        global $session, $cfg;

        /* set installed languages array */
        if ($langs = $cfg->getConfig("LANGUAGES")) {
            $this->languages = array_flip(explode("|", $langs));
            foreach ($this->languages as $key => $value) {
                $this->languages[$key] = $this->getLangName($key);
            }
            $this->languages = array_flip($this->languages);
        }
        $this->defaultlang = $cfg->getConfig("DEFAULT_LANG");
        if (!$session->getValue("language")) {
            /* set default language */
            $session->setValue("language", $this->defaultlang);
        }
    }

    private function getLangName($code) {
        $res = mysql_query("SELECT name FROM languages WHERE id = '" . $code . "'");
        if (mysql_num_rows($res) > 0) {
            $line = mysql_fetch_assoc($res);
            mysql_free_result($res);
            return $line['name'];
        }
    }

    private function languageExists($langid) {
        return in_array($langid, $this->languages);
    }

    public function getText($text, $pars = "") {
        if (is_array($pars)) {
            return vsprintf($text, $pars);
        } else {
            if ($pars <> "") {
                return sprintf($text, $pars);
            } else {
                return $text;
            }
        }
    }

    public function setLanguage($langid) {
        global $session;

        if ($this->languageExists($langid)) {
            $session->setValue("language", $langid);
        } else {
            $session->setValue("language", $this->defaultlang);
        }
    }

    public function getCurrentLanguage() {
        global $session;

        $l = $session->getValue("language");
        if (!isset($l)) {
            $l = $this->defaultlang;
        }
        return $l;
    }

    function getLanguageMenu() {
        global $cfg, $session;

        /* before session cookie initialization no languages appear to be set in the language menu */
        $currlang = $session->getValue("language");
        if (!isset($currlang)) { $currlang = $cfg->getConfig("DEFAULT_LANG"); }

        $qs = CMSkey::getQueryString("lang");
        if ($qs) {
            $qs .= "&amp;lang=";
        } else {
            $qs = "?lang=";
        }
        foreach ($this->languages as $k => $l) {
            if ($lm) { $lm .= "&nbsp;|&nbsp;"; }

            $item = $k;
            if ($currlang != $l) {
                $item = "<a href=\"" . $cfg->getConfig("DEFAULT_PAGE") . $qs . $l . "\">" . $item . "</a>";
            }
            $lm .= $item;
        }

        return $lm;
    }
}
?>

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