001/*
002 *  Copyright 2012 GWT-Bootstrap
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package com.github.gwtbootstrap.datetimepicker.client.ui.util;
017
018import java.util.ArrayList;
019import java.util.List;
020
021import com.github.gwtbootstrap.client.ui.resources.JavaScriptInjector;
022import com.github.gwtbootstrap.datetimepicker.client.ui.resources.Resources;
023import com.google.gwt.resources.client.TextResource;
024
025/**
026 * A utility class to get the User's Browser Locale.
027 *
028 * @author Carlos A Becker
029 * @author Alain Penders
030 * @since 2.1.1.0
031 */
032public class LocaleUtil {
033
034        private static String locale = null;
035        private static String LANGUAGE = null;
036
037        private static List<String> loaded = new ArrayList<String>();
038
039
040        public static String getLanguage() {
041                if (LANGUAGE == null) {
042                        setupLocale();
043                }
044                return LANGUAGE;
045        }
046
047
048        /**
049         * Get the string of locale based on user's browser configuration.
050         *
051         * @return
052         */
053        public static String getLocale() {
054                if (locale == null) {
055                        locale = getBrowserLocale();
056                }
057                return locale;
058        }
059
060
061        public static TextResource getLocaleJsResource() {
062                String locale = getLocale();
063                if (locale == null) {
064                        return null;
065                }
066                return setupLocale();
067        }
068
069
070        private static final native String getBrowserLocale() /*-{
071       return $wnd.navigator.userLanguage || $wnd.navigator.language;
072   }-*/;
073
074
075        public static final void forceLocale(String locale_) {
076                locale = locale_;
077                TextResource t = setupLocale();
078                if (loaded.contains(locale) && t != null) {
079                        JavaScriptInjector.inject(t.getText());
080                }
081        }
082
083
084        private static TextResource setupLocale() {
085                Resources r = Resources.RESOURCES;
086                TextResource tr = null;
087
088        /*
089           Script used to gen the basic if-else block:
090           for a in `ls`; do echo "else if(locale.equals(\"`echo $a | cut -f2 -d.`\")) { tr = r.`echo $a | cut -f2 -d.`(); LANGUAGE = \"`echo $a | cut -f2 -d.`\"; }"; done
091        */
092
093                if (locale.equals("bg")) {
094                        tr = r.bg();
095                        LANGUAGE = "bg";
096                }
097                else if (locale.equals("ca")) {
098                        tr = r.cs();
099                        LANGUAGE = "ca";
100                }
101                else if (locale.equals("cs")) {
102                        tr = r.cs();
103                        LANGUAGE = "cs";
104                }
105                else if (locale.equals("da")) {
106                        tr = r.da();
107                        LANGUAGE = "da";
108                }
109                else if (locale.equals("de")) {
110                        tr = r.de();
111                        LANGUAGE = "de";
112                }
113                else if (locale.equals("el")) {
114                        tr = r.es();
115                        LANGUAGE = "el";
116                }
117                else if (locale.equals("es")) {
118                        tr = r.es();
119                        LANGUAGE = "es";
120                }
121                else if (locale.equals("fi")) {
122                        tr = r.fi();
123                        LANGUAGE = "fi";
124                }
125                else if (locale.equals("fr")) {
126                        tr = r.fr();
127                        LANGUAGE = "fr";
128                }
129                else if (locale.equals("he")) {
130                        tr = r.id();
131                        LANGUAGE = "he";
132                }
133                else if (locale.equals("hr")) {
134                        tr = r.id();
135                        LANGUAGE = "hr";
136                }
137                else if (locale.equals("id")) {
138                        tr = r.id();
139                        LANGUAGE = "id";
140                }
141                else if (locale.equals("is")) {
142                        tr = r.is();
143                        LANGUAGE = "is";
144                }
145                else if (locale.equals("it")) {
146                        tr = r.it();
147                        LANGUAGE = "it";
148                }
149                else if (locale.equals("ja")) {
150                        tr = r.ja();
151                        LANGUAGE = "ja";
152                }
153                else if (locale.equals("kr")) {
154                        tr = r.kr();
155                        LANGUAGE = "kr";
156                }
157                else if (locale.equals("lt")) {
158                        tr = r.lt();
159                        LANGUAGE = "lt";
160                }
161                else if (locale.equals("lv")) {
162                        tr = r.lv();
163                        LANGUAGE = "lv";
164                }
165                else if (locale.equals("ms")) {
166                        tr = r.ms();
167                        LANGUAGE = "ms";
168                }
169                else if (locale.equals("nb")) {
170                        tr = r.nb();
171                        LANGUAGE = "nb";
172                }
173                else if (locale.equals("nl")) {
174                        tr = r.nl();
175                        LANGUAGE = "nl";
176                }
177                else if (locale.equals("pl")) {
178                        tr = r.pl();
179                        LANGUAGE = "pl";
180                }
181                else if (locale.equals("pt-BR")) {
182                        tr = r.pt_BR();
183                        LANGUAGE = "pt-BR";
184                }
185                else if (locale.equals("pt")) {
186                        tr = r.pt();
187                        LANGUAGE = "pt";
188                }
189                else if (locale.equals("ro")) {
190                        tr = r.ru();
191                        LANGUAGE = "ro";
192                }
193                else if (locale.equals("ru")) {
194                        tr = r.ru();
195                        LANGUAGE = "ru";
196                }
197                else if (locale.equals("sk")) {
198                        tr = r.sl();
199                        LANGUAGE = "sk";
200                }
201                else if (locale.equals("sl")) {
202                        tr = r.sl();
203                        LANGUAGE = "sl";
204                }
205                else if (locale.equals("sv")) {
206                        tr = r.sv();
207                        LANGUAGE = "sv";
208                }
209                else if (locale.equals("sw")) {
210                        tr = r.sv();
211                        LANGUAGE = "sw";
212                }
213                else if (locale.equals("th")) {
214                        tr = r.th();
215                        LANGUAGE = "th";
216                }
217                else if (locale.equals("tr")) {
218                        tr = r.tr();
219                        LANGUAGE = "tr";
220                }
221                else if (locale.equals("uk")) {
222                        tr = r.tr();
223                        LANGUAGE = "uk";
224                }
225                else if (locale.equals("zh-CN")) {
226                        tr = r.zh_CN();
227                        LANGUAGE = "zh-TW";
228                }
229                else if (locale.equals("zh-TW")) {
230                        tr = r.zh_TW();
231                        LANGUAGE = "zh-TW";
232                }
233                else {
234                        tr = null;
235                        LANGUAGE = "en";
236                }
237
238                loaded.add(LANGUAGE);
239
240                return tr;
241        }
242}