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https://github.com/silverstripe/silverstripe-framework
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ENHANCEMENT Added javascript i18n support through Requirements::process_i18n_javascript() and ss.i18n javascript lib
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@63566 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Ingo Schommer
parent
ef7f988b3b
commit
7c0b69ea34
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@ -284,6 +284,9 @@ class Requirements {
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// Combine files - updates Requirements::$javascript and Requirements::$css
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self::process_combined_files();
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//
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self::process_i18n_javascript();
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foreach(array_diff_key(self::$javascript,self::$blocked) as $file => $dummy) {
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$path = self::path_for_file($file);
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@ -346,6 +349,35 @@ class Requirements {
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return $content;
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}
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/**
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* Automatically includes the necessary lang-files from the module
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* according to the locale set in {@link i18n::$current_locale}.
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* Assumes that a subfolder /javascript exists relative to the included
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* javascript file, with a file named after the locale -
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* so usually <mymodule>/javascript/lang/en_US.js.
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*
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* Caution: Assumes the manual inclusion of sapphire/javascript/i18n.js
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* before
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*/
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protected static function process_i18n_javascript() {
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foreach(array_diff_key(self::$javascript,self::$blocked) as $file => $dummy) {
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if(preg_match('/^http[s]?/', $file)) continue;
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$absolutePath = Director::baseFolder() . '/' . $file;
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$absoluteLangPath = dirname($absolutePath) . '/lang/' . i18n::get_locale() . '.js';
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$absoluteDefaultLangPath = dirname($absolutePath) . '/lang/' . i18n::default_locale() . '.js';
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foreach(array($absoluteDefaultLangPath, $absoluteLangPath) as $path) {
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if(Director::fileExists($path)) {
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$langFile = Director::makeRelative($path);
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// Remove rogue leading slashes from Director::makeRelative()
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$langFile = preg_replace('/^\//', '', $langFile);
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self::$javascript[$langFile] = true;
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}
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}
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}
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}
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/**
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*
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*
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@ -1,12 +1,183 @@
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/**
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* Misc helpers
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*/
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var i18n = Class.create();
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i18n = {
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}
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if(typeof(ss) == 'undefined') ss = {};
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var _t = function() {
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/*
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* Lightweight clientside i18n implementation.
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* Caution: Only available after DOM loaded because we need to detect the language
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*
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* Based on jQuery i18n plugin: 1.0.0 Feb-10-2008
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* @requires jQuery v1.1 or later
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*
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* Examples at: http://recurser.com/articles/2008/02/21/jquery-i18n-translation-plugin/
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* Dual licensed under the MIT and GPL licenses:
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* http://www.opensource.org/licenses/mit-license.php
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* http://www.gnu.org/licenses/gpl.html
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*
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* Based on 'javascript i18n that almost doesn't suck' by markos
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* http://markos.gaivo.net/blog/?p=100
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*/
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ss.i18n = Class.create();
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ss.i18n = {
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currentLocale: null,
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}
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defaultLocale: 'en_US',
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lang: {},
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init: function() {
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this.currentLocale = this.detectLocale();
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},
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/**
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* set_locale()
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* Set locale in long format, e.g. "de_AT" for Austrian German.
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* @param string locale
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*/
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setLocale: function(locale) {
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this.currentLocale = locale;
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},
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/**
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* getLocale()
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* Get locale in long format. Falls back to i18n.defaut_locale.
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* @return string
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*/
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getLocale: function() {
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return (this.currentLocale) ? this.currentLocale : this.defaultLocale;
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},
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/**
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* _()
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* The actual translation function. Looks the given string up in the
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* dictionary and returns the translation if one exists. If a translation
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* is not found, returns the original word
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*
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* @param string entity
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* @param string fallbackString
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* @param int priority (not used)
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* @param string context Give translators context for the string
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* @return string : Translated word
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*
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*/
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_t: function (entity, fallbackString, priority, context) {
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if (this.lang && this.lang[this.getLocale()] && this.lang[this.getLocale()][entity]) {
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return this.lang[this.getLocale()][entity];
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} else if (this.lang && this.lang[this.defaultLocale] && this.lang[this.defaultLocale][entity]) {
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return this.lang[this.defaultLocale][entity];
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} else if(fallbackString) {
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return fallbackString;
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} else {
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return '';
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}
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},
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addDictionary: function(locale, dict) {
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if(typeof(this.lang[locale])) {
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this.lang[locale] = dict;
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} else {
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this.lang[locale] += dict;
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}
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},
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/**
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* stripStr()
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*
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* @param string str : The string to strip
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* @return string result : Stripped string
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*
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*/
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stripStr: function(str) {
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return str.replace(/^\s*/, "").replace(/\s*$/, "");
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},
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/**
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* stripStrML()
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*
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* @param string str : The multi-line string to strip
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* @return string result : Stripped string
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*
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*/
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stripStrML: function(str) {
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// Split because m flag doesn't exist before JS1.5 and we need to
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// strip newlines anyway
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var parts = str.split('\n');
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for (var i=0; i<parts.length; i++)
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parts[i] = stripStr(parts[i]);
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// Don't join with empty strings, because it "concats" words
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// And strip again
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return stripStr(parts.join(" "));
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},
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/*
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* printf()
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* C-printf like function, which substitutes %s with parameters
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* given in list. %%s is used to escape %s.
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*
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* Doesn't work in IE5.0 (splice)
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*
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* @param string S : string to perform printf on.
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* @param string L : Array of arguments for printf()
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*/
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printf: function(S) {
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if (arguments.length == 1) return S;
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var nS = "";
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var tS = S.split("%s");
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var args = [];
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for (var i=1, len = arguments.length; i <len; ++i) {
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args.push(arguments[i]);
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};
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for(var i=0; i<args.length; i++) {
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if (tS[i].lastIndexOf('%') == tS[i].length-1 && i != args.length-1)
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tS[i] += "s"+tS.splice(i+1,1)[0];
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nS += tS[i] + args[i];
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}
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return nS + tS[tS.length-1];
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},
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/**
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* Detect document language settings by looking at <meta> tags.
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* If no match is found, returns this.defaultLocale.
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*
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* @todo get by <html lang=''> - needs modification of SSViewer
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*
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* @return string Locale in mixed lowercase/uppercase format suitable
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* for usage in ss.i18n.lang arrays (e.g. 'en_US').
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*/
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detectLocale: function() {
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var rawLocale;
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var detectedLocale;
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// get by meta
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$$('meta').each(function(el) {
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if(el.attributes['http-equiv'] && el.attributes['http-equiv'].nodeValue.toLowerCase() == 'content-language') {
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rawLocale = el.attributes['content'].nodeValue;
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}
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});
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// fallback to default locale
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if(!rawLocale) rawLocale = this.defaultLocale;
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var rawLocaleParts = rawLocale.match(/([^-|_]*)[-|_](.*)/);
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// get locale (e.g. 'en_US') from common name (e.g. 'en')
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// by looking at ss.i18n.lang tables
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if(rawLocale.length == 2) {
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for(compareLocale in ss.i18n.lang) {
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if(compareLocale.substr(0,2).toLowerCase() == rawLocale.toLowerCase()) {
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detectedLocale = compareLocale;
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break;
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}
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}
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} else if(rawLocaleParts) {
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detectedLocale = rawLocaleParts[1].toLowerCase() + '_' + rawLocaleParts[2].toUpperCase();
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}
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return detectedLocale;
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}
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};
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Event.observe(window, "load", function() {
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ss.i18n.init();
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});
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