SugarCRM源码分析之国际化语言

来源：互联网发布：android 解析json 编辑：程序博客网时间：2024/05/21 06:59
本篇主要分析下SugarCRM中的语言包源码。
./include/entryPoints.phpSugarApplication::preLoadLanguages();/** * Load only bare minimum of language that can be done before user init and MVC stuff */static function preLoadLanguages(){    if (!empty($_SESSION['authenticated_user_language'])) {        $GLOBALS['current_language'] = $_SESSION['authenticated_user_language'];    } else {        // 加载配种文件中的默认语言zh_ch        $GLOBALS['current_language'] = $GLOBALS['sugar_config']['default_language'];    }    // 记录日志，若要执行，需把配置文件中的level改为debug    $GLOBALS['log']->debug('current_language is: ' . $GLOBALS['current_language']);    // set module and application string arrays based upon selected language    // 获取语言包    $GLOBALS['app_strings'] = return_application_language($GLOBALS['current_language']);}function return_application_language($language){    // $app_strings、$app_list_strings存放的都是语言包的译文    // 首次进来都为null    global $app_strings, $app_list_strings, $sugar_config;    // app_strings.zh_cn    $cache_key = 'app_strings.'.$language;    // Check for cached value    // 第一次没有    $cache_entry = sugar_cache_retrieve($cache_key);    if (!empty($cache_entry)) {        return $cache_entry;    }    $temp_app_strings = $app_strings;    $temp_app_list_strings = $app_list_strings;    $default_language = !empty($sugar_config['default_language']) ? $sugar_config['default_language'] : $language;    $langs = array();    if ($language != 'en_us') {        $langs[] = 'en_us';    }    if ($default_language != 'en_us' && $language != $default_language) {        $langs[] = $default_language;    }    /*    Array    (        [0] => en_us        [1] => zh_CN    )    */    $langs[] = $language;    $app_strings_array = array();    foreach ($langs as $lang) {        $app_list_strings = array();        foreach(SugarAutoLoader::existing(                "include/language/$lang.lang.php",                "include/language/$lang.lang.override.php",                "include/language/$lang.lang.php.override",                "custom/application/Ext/Language/$lang.lang.ext.php",                "custom/include/language/$lang.lang.php"        ) as $file) {            include $file;            $GLOBALS['log']->info("Found language file: $file");        }        $app_strings_array[] = $app_strings;    }    // 把二维的$app_strings_array数组变为一维$app_strings的    $app_strings = array();    foreach ($app_strings_array as $app_strings_item) {        $app_strings = sugarLangArrayMerge($app_strings, $app_strings_item);    }    if (!isset($app_strings)) {        $GLOBALS['log']->fatal("Unable to load the application language strings");        return null;    }    // If we are in debug mode for translating, turn on the prefix now!    if (!empty($sugar_config['translation_string_prefix'])) {        foreach ($app_strings as $entry_key=>$entry_value) {            $app_strings[$entry_key] = $language.' '.$entry_value;        }    }    if (isset($_SESSION['show_deleted'])) {        $app_strings['LBL_DELETE_BUTTON'] = $app_strings['LBL_UNDELETE_BUTTON'];        $app_strings['LBL_DELETE_BUTTON_LABEL'] = $app_strings['LBL_UNDELETE_BUTTON_LABEL'];        $app_strings['LBL_DELETE_BUTTON_TITLE'] = $app_strings['LBL_UNDELETE_BUTTON_TITLE'];        $app_strings['LBL_DELETE'] = $app_strings['LBL_UNDELETE'];    }    // 返回热键,若是没有HTTP_USER_AGENT的话alt+    $app_strings['LBL_ALT_HOT_KEY'] = get_alt_hot_key();    $return_value = $app_strings;    $app_strings = $temp_app_strings;    $app_list_strings = $temp_app_list_strings;    // 放入缓存    sugar_cache_put($cache_key, $return_value);    return $return_value;}function sugarLangArrayMerge($gimp, $dom){    if (is_array($gimp) && is_array($dom)) {        foreach ($dom as $domKey => $domVal) {            if (isset($gimp[$domKey])) {                if (is_array($domVal)) {                    $tempArr = array();                    foreach ( $domVal as $domArrKey => $domArrVal )                        if (!empty($domArrVal)) // SP-1818: should not overwrite if string is empty                            $tempArr[$domArrKey] = $domArrVal;                    foreach ( $gimp[$domKey] as $gimpArrKey => $gimpArrVal )                        if ( !isset($tempArr[$gimpArrKey]) )                            $tempArr[$gimpArrKey] = $gimpArrVal;                    $domVal = $tempArr;                }                if (!empty($domVal)) { // SP-1818: should not overwrite if string is empty                    $gimp[$domKey] = $domVal;                }            } else {                $gimp[$domKey] = $domVal;            }        }    }    // if the passed value for gimp isn't an array, then return the $dom    elseif (is_array($dom)) {        return $dom;    }    return $gimp;}function get_alt_hot_key(){    $ua = '';    if ( isset($_SERVER['HTTP_USER_AGENT']) )        $ua = strtolower($_SERVER['HTTP_USER_AGENT']);    $isMac = strpos($ua, 'mac') !== false;    $isLinux = strpos($ua, 'linux') !== false;    if (!$isMac && !$isLinux && strpos($ua, 'mozilla') !== false) {       if (preg_match('/firefox\/(\d)?\./', $ua, $matches)) {             return $matches[1] < 2 ? 'Alt+' : 'Alt+Shift+';       }    }    return $isMac ? 'Ctrl+' : 'Alt+';}
代码分析完后，了解了./include/language存放的是SugarCRM通用的语言配置，也就是下载了SugarCRM之后就有的，如果想配置个性化的，那么需要在./custome/inclde/language里配置，前提是在配置文件里加上本地默认的语言选项（'default_language' => 'zh_CN'）。
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