/**
 * Internationalization plugin
 * 
 * Depends on jWYSIWYG
 */
(function($) {
if (undefined === $.wysiwyg) {
	throw "wysiwyg.i18n.js depends on $.wysiwyg";
}

/*
 * Wysiwyg namespace: public properties and methods
 */
var i18n = {
	name: "i18n",
	version: "",
	defaults: {
		lang: "en",			// change to your language by passing lang option
		wysiwygLang: "en"	// default WYSIWYG language
	},
	lang: {},
	options: {},

	init: function(Wysiwyg, lang) {
		if (!lang) {
			lang = this.defaults.lang;
		}

		if ((lang !== this.defaults.wysiwygLang) && (undefined === $.wysiwyg.i18n.lang[lang])) {
			if ($.wysiwyg.autoload) {
				$.wysiwyg.autoload.lang("lang_" + lang + ".js", function() {
						$.wysiwyg.i18n.init(Wysiwyg, lang);
					}
				);
			}
			else {
				throw 'Language "' + lang + '" not found in $.wysiwyg.i18n. You need to include this language file';
			}
		}

		this.options.lang = lang;
		
		this.translateControls(Wysiwyg);
	},

	translateControls: function(Wysiwyg) {
		Wysiwyg.ui.toolbar.find("li").each(function() {
			if (Wysiwyg.controls[$(this).attr("class")]) {
				$(this).attr("title", $.wysiwyg.i18n.t(Wysiwyg.controls[$(this).attr("class")]["tooltip"], "controls"));
			}
		});
	},

	run: function(object, lang) {
		if ("object" !== typeof(object) || !object.context) {
			object = this;
		}

		if (!object.each) {
			console.error("Something goes wrong, check object");
		}

		return object.each(function() {
			var oWysiwyg = $(this).data("wysiwyg");

			if (!oWysiwyg) {
				return this;
			}

			$.wysiwyg.i18n.init(oWysiwyg, lang);
		});
	},

	t: function(phrase, section, lang) {
		var i, section_array, object;

		if (!lang) {
			lang = this.options.lang;
		}

		if ((lang === this.defaults.wysiwygLang) || (!this.lang[lang])) {
			return phrase;
		}

		object = this.lang[lang];
		section_array = section.split(".");
		for (i = 0; i < section_array.length; i += 1) {
			if (object[section_array[i]]) {
				object = object[section_array[i]];
			}
		}

		if (object[phrase]) {
			return object[phrase];
		}

		return phrase;
	}
};

$.wysiwyg.plugin.register(i18n);

})(jQuery);