Файл: framework/javascript/i18n.js
Строк: 332
<?php
if(typeof(ss) == 'undefined') ss = {};
/*
* Lightweight clientside i18n implementation.
* Caution: Only available after DOM loaded because we need to detect the language
*
* For non-i18n stub implementation, see framework/javascript/i18nx.js
*
* Based on jQuery i18n plugin: 1.0.0 Feb-10-2008
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
* Based on 'javascript i18n that almost doesn't suck' by markos
* http://markos.gaivo.net/blog/?p=100
*/
ss.i18n = {
currentLocale: null,
defaultLocale: 'en_US',
lang: {},
inited: false,
init: function() {
if(this.inited) return;
this.currentLocale = this.detectLocale();
this.inited = true;
},
/**
* set_locale()
* Set locale in long format, e.g. "de_AT" for Austrian German.
* @param string locale
*/
setLocale: function(locale) {
this.currentLocale = locale;
},
/**
* getLocale()
* Get locale in long format. Falls back to i18n.defaut_locale.
* @return string
*/
getLocale: function() {
return (this.currentLocale) ? this.currentLocale : this.defaultLocale;
},
/**
* _()
* The actual translation function. Looks the given string up in the
* dictionary and returns the translation if one exists. If a translation
* is not found, returns the original word
*
* @param string entity A "long" locale format, e.g. "de_DE" (Required)
* @param string fallbackString (Required)
* @param int priority (not used)
* @param string context Give translators context for the string
* @return string : Translated word
*
*/
_t: function (entity, fallbackString, priority, context) {
this.init();
var langName = this.getLocale().replace(/_[w]+/i, '');
var defaultlangName = this.defaultLocale.replace(/_[w]+/i, '');
if (this.lang && this.lang[this.getLocale()] && this.lang[this.getLocale()][entity]) {
return this.lang[this.getLocale()][entity];
} else if (this.lang && this.lang[langName] && this.lang[langName][entity]) {
return this.lang[langName][entity];
} else if (this.lang && this.lang[this.defaultLocale] && this.lang[this.defaultLocale][entity]) {
return this.lang[this.defaultLocale][entity];
} else if (this.lang && this.lang[defaultlangName] && this.lang[defaultlangName][entity]) {
return this.lang[defaultlangName][entity];
} else if(fallbackString) {
return fallbackString;
} else {
return '';
}
},
/**
* Add entities to a dictionary. If a dictionary doesn't
* exist for this locale, its automatically created.
* Existing entities are overwritten.
*
* @param string locale
* @param Object dict
*/
addDictionary: function(locale, dict) {
if(!this.lang[locale]) this.lang[locale] = {};
for(entity in dict) {
this.lang[locale][entity] = dict[entity];
}
},
/**
* Get dictionary for a specific locale.
*
* @param string locale
*/
getDictionary: function(locale) {
return this.lang[locale];
},
/**
* stripStr()
*
* @param string str : The string to strip
* @return string result : Stripped string
*
*/
stripStr: function(str) {
return str.replace(/^s*/, "").replace(/s*$/, "");
},
/**
* stripStrML()
*
* @param string str : The multi-line string to strip
* @return string result : Stripped string
*
*/
stripStrML: function(str) {
// Split because m flag doesn't exist before JS1.5 and we need to
// strip newlines anyway
var parts = str.split('n');
for (var i=0; i<parts.length; i++)
parts[i] = stripStr(parts[i]);
// Don't join with empty strings, because it "concats" words
// And strip again
return stripStr(parts.join(" "));
},
/**
* Substitutes %s with parameters
* given in list. %%s is used to escape %s.
*
* @param string S : The string to perform the substitutions on.
* @return string The new string with substitutions made
*/
sprintf: function(S) {
if (arguments.length == 1) return S;
var args = [],
len = arguments.length,
index = 0,
regx = new RegExp('(.?)(%s)', 'g'),
result;
for (var i=1; i<len; ++i) {
args.push(arguments[i]);
};
result = S.replace(regx, function(match, subMatch1, subMatch2, offset, string){
if (subMatch1 == '%') return match; // skip %%s
return subMatch1 + args[index++];
});
return result;
},
/**
* Substitutes variables with a list of injections.
*
* @param string S : The string to perform the substitutions on.
* @param object map : An object with the substitions map e.g. {var: value}
* @return string The new string with substitutions made
*/
inject: function(S, map) {
var regx = new RegExp("{([A-Za-z0-9_]*)}", "g"),
result;
result = S.replace(regx, function(match, key, offset, string){
return (map[key]) ? map[key] : match;
});
return result;
},
/**
* Detect document language settings by looking at <meta> tags.
* If no match is found, returns this.defaultLocale.
*
* @todo get by <html lang=''> - needs modification of SSViewer
*
* @return string Locale in mixed lowercase/uppercase format suitable
* for usage in ss.i18n.lang arrays (e.g. 'en_US').
*/
detectLocale: function() {
var rawLocale;
var detectedLocale;
// get by container tag
rawLocale = jQuery('html').attr('lang') || jQuery('body').attr('lang');
// get by meta
if(!rawLocale) {
var metas = document.getElementsByTagName('meta');
for(var i=0; i<metas.length; i++) {
if(metas[i].attributes['http-equiv'] && metas[i].attributes['http-equiv'].nodeValue.toLowerCase() == 'content-language') {
rawLocale = metas[i].attributes['content'].nodeValue;
}
}
}
// fallback to default locale
if(!rawLocale) rawLocale = this.defaultLocale;
var rawLocaleParts = rawLocale.match(/([^-|_]*)[-|_](.*)/);
// get locale (e.g. 'en_US') from common name (e.g. 'en')
// by looking at ss.i18n.lang tables
if(rawLocale.length == 2) {
for(compareLocale in ss.i18n.lang) {
if(compareLocale.substr(0,2).toLowerCase() == rawLocale.toLowerCase()) {
detectedLocale = compareLocale;
break;
}
}
} else if(rawLocaleParts) {
detectedLocale = rawLocaleParts[1].toLowerCase() + '_' + rawLocaleParts[2].toUpperCase();
}
return detectedLocale;
},
/**
* Attach an event listener to the given object.
* Modeled after behaviour.js, but externalized
* to keep the i18n library standalone for now.
*/
addEvent: function(obj, evType, fn, useCapture){
if (obj.addEventListener){
obj.addEventListener(evType, fn, useCapture);
return true;
} else if (obj.attachEvent){
var r = obj.attachEvent("on"+evType, fn);
return r;
} else {
alert("Handler could not be attached");
}
}
};
ss.i18n.addEvent(window, "load", function() {
ss.i18n.init();
});
?>