(function( $, window, undefined ) {
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var language = window.navigator.language.replace("-","_"),
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defaultFolder = "i18n",
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mobile = $.mobile,
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version = mobile.version;
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mobile.i18n = {
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/**
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* 获得国际化信息
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* @param {String} key 国际化信息字符串，如"user.name"
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* @param {Object} context 国际化信息上下文，默认为window.i18n
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* @method getText
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*/
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getText: function( key, context ){
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if( !key || typeof( key ) !== "string" ) return;
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var parts = key.split("."),
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obj = context || window.i18n || window;
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if ( typeof( obj ) !== "object" ) return;
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for( var i=0, p ; p = parts[i]; i++){
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obj = ( p in obj ) ? obj[p] : undefined;
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if ( obj === undefined ) return;
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}
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return obj;
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},
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/**
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* 处理某个DOM元素中的国际化标签
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* @param {DOM}
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* @return {jQuery} 封装后的jQuery对象
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*/
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applyI18n: function( ele ){
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var $eles = $( ele ),
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getText = this.getText;
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if( $eles.length ===0 ) return;
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var applyContext = function() {
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var inputs = "input,textarea,select",
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$this = $( this ),
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key = $this.attr( "data-i18n" ),
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value = getText( key ),
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reg = new RegExp( "\\b" + this.nodeName.toLowerCase() + "\\b" );
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inputs.match( reg ) ? $this.val( value ) : $this.text( value );
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};
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var apply2Ele = function( $ele ) {
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$ele.children().length === 0 ?
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$ele.each( applyContext ) :
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$ele.find( "[data-i18n]" ).each( applyContext );
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};
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return $eles.each( function(){
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var $ele = $(this),
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isScriptEle = $ele[0].tagName.toLowerCase() === "script",
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scriptType = $ele[0].type,
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$div = $("<div></div>");
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if( scriptType === "" || scriptType === "text/javascript" ) return;
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apply2Ele( isScriptEle ? $div.html( $ele.html() ) : $ele );
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isScriptEle && $ele.html( $div.html() );
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});
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},
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/**
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* 获得当前浏览器的语言
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* @return {String} 返回当前语言类型，如"zh-CN"、"en-US"等
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*/
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getLanguage: function() {
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return language.replace("_","-");
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}
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};
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var loadJSON = function( folder ) {
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var url = folder + "/" + language + ".json?_=" + new Date().getTime();
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$.ajax({
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url: url,
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async: false,
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dataType: "json",
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success: function( msg ){
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window.i18n = msg;
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},
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error: function(){
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console.error("error: Could not find file " + url )
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}
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});
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}, i18n = mobile.i18n;
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// 检测是否开启国际化，用于可以在$(document).bind("mobileinit",function(){})中进行设置
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if( mobile.i18nEnabled ) {
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var path = $("script").filter(function(){ return this.src.match(/jquery\.mobile/)})[0].src,
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reg = new RegExp("(.*?)\/\\w+\/jquery\.mobile-" + version +"(?:\.min)?\.js$");
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path = path.match(reg)[1];
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loadJSON( path + "/" + ( mobile.i18nFolder || defaultFolder ) ) ;
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// 页面渲染前进行国际化信息替换
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$(document).bind("pagebeforecreate", function( evt ) {
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var $page = $( evt.target );
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i18n.applyI18n( $().add( $page ).add( $page.find( "script" ) ) );
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});
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}
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})( jQuery, this );
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