001
014
015 package com.liferay.taglib.ui;
016
017 import com.liferay.portal.kernel.language.LanguageUtil;
018 import com.liferay.portal.kernel.servlet.taglib.ui.LanguageEntry;
019 import com.liferay.portal.kernel.util.ArrayUtil;
020 import com.liferay.portal.kernel.util.HttpUtil;
021 import com.liferay.portal.kernel.util.JavaConstants;
022 import com.liferay.portal.kernel.util.LocaleUtil;
023 import com.liferay.portal.kernel.util.Validator;
024 import com.liferay.portal.kernel.util.WebKeys;
025 import com.liferay.portal.theme.ThemeDisplay;
026 import com.liferay.portal.util.PortalUtil;
027 import com.liferay.portlet.portletdisplaytemplate.util.PortletDisplayTemplateUtil;
028 import com.liferay.taglib.aui.AUIUtil;
029 import com.liferay.taglib.util.IncludeTag;
030
031 import java.util.ArrayList;
032 import java.util.Arrays;
033 import java.util.Collection;
034 import java.util.HashMap;
035 import java.util.HashSet;
036 import java.util.List;
037 import java.util.Locale;
038 import java.util.Map;
039 import java.util.Set;
040
041 import javax.portlet.PortletRequest;
042 import javax.portlet.PortletResponse;
043
044 import javax.servlet.http.HttpServletRequest;
045
046
049 public class LanguageTag extends IncludeTag {
050
051 public void setDdmTemplateGroupId(long ddmTemplateGroupId) {
052 _ddmTemplateGroupId = ddmTemplateGroupId;
053 }
054
055 public void setDdmTemplateKey(String ddmTemplateKey) {
056 _ddmTemplateKey = ddmTemplateKey;
057 }
058
059 public void setDisplayCurrentLocale(boolean displayCurrentLocale) {
060 _displayCurrentLocale = displayCurrentLocale;
061 }
062
063 public void setFormAction(String formAction) {
064 _formAction = formAction;
065 }
066
067 public void setFormName(String formName) {
068 _formName = formName;
069 }
070
071 public void setLanguageId(String languageId) {
072 _languageId = languageId;
073 }
074
075 public void setLanguageIds(String[] languageIds) {
076 _languageIds = languageIds;
077 }
078
079 public void setName(String name) {
080 _name = name;
081 }
082
083 public void setUseNamespace(boolean useNamespace) {
084 _useNamespace = useNamespace;
085 }
086
087 @Override
088 protected void cleanUp() {
089 _ddmTemplateGroupId = 0;
090 _ddmTemplateKey = null;
091 _displayCurrentLocale = true;
092 _formAction = null;
093 _formName = "fm";
094 _languageId = null;
095 _languageIds = null;
096 _name = "languageId";
097 _useNamespace = true;
098 }
099
100 protected String getDisplayStyle() {
101 if (Validator.isNotNull(_ddmTemplateKey)) {
102 return PortletDisplayTemplateUtil.getDisplayStyle(_ddmTemplateKey);
103 }
104
105 return null;
106 }
107
108 protected String getFormAction() {
109 String formAction = _formAction;
110
111 if (Validator.isNotNull(formAction)) {
112 return formAction;
113 }
114
115 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
116 WebKeys.THEME_DISPLAY);
117
118 formAction =
119 themeDisplay.getPathMain() +
120 "/portal/update_language?p_l_id=" + themeDisplay.getPlid();
121 formAction = HttpUtil.setParameter(
122 formAction, "redirect", PortalUtil.getCurrentURL(request));
123
124 return formAction;
125 }
126
127 protected List<LanguageEntry> getLanguageEntries(
128 Collection<Locale> locales, boolean displayCurrentLocale,
129 String formAction, String parameterName) {
130
131 List<LanguageEntry> languageEntries = new ArrayList<>();
132
133 Map<String, Integer> counts = new HashMap<>();
134
135 for (Locale locale : locales) {
136 Integer count = counts.get(locale.getLanguage());
137
138 if (count == null) {
139 count = new Integer(1);
140 }
141 else {
142 count = new Integer(count.intValue() + 1);
143 }
144
145 counts.put(locale.getLanguage(), count);
146 }
147
148 Set<String> duplicateLanguages = new HashSet<>();
149
150 for (Locale locale : locales) {
151 Integer count = counts.get(locale.getLanguage());
152
153 if (count.intValue() != 1) {
154 duplicateLanguages.add(locale.getLanguage());
155 }
156 }
157
158 Locale currentLocale = null;
159
160 if (Validator.isNotNull(_languageId)) {
161 currentLocale = LocaleUtil.fromLanguageId(_languageId);
162 }
163 else {
164 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
165 WebKeys.THEME_DISPLAY);
166
167 currentLocale = themeDisplay.getLocale();
168 }
169
170 for (Locale locale : locales) {
171 String url = null;
172
173 if (!LocaleUtil.equals(locale, currentLocale)) {
174 url = HttpUtil.setParameter(
175 formAction, parameterName, LocaleUtil.toLanguageId(locale));
176 }
177 else if (!displayCurrentLocale) {
178 continue;
179 }
180
181 languageEntries.add(
182 new LanguageEntry(
183 duplicateLanguages, currentLocale, locale, url));
184 }
185
186 return languageEntries;
187 }
188
189 protected Collection<Locale> getLocales() {
190 if (ArrayUtil.isNotEmpty(_languageIds)) {
191 return Arrays.asList(LocaleUtil.fromLanguageIds(_languageIds));
192 }
193
194 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
195 WebKeys.THEME_DISPLAY);
196
197 return LanguageUtil.getAvailableLocales(themeDisplay.getSiteGroupId());
198 }
199
200 protected String getNamespacedName() {
201 String name = _name;
202
203 if (!_useNamespace) {
204 return name;
205 }
206
207 PortletRequest portletRequest = (PortletRequest)request.getAttribute(
208 JavaConstants.JAVAX_PORTLET_REQUEST);
209 PortletResponse portletResponse = (PortletResponse)request.getAttribute(
210 JavaConstants.JAVAX_PORTLET_RESPONSE);
211
212 String namespace = AUIUtil.getNamespace(
213 portletRequest, portletResponse);
214
215 if (Validator.isNotNull(namespace)) {
216 name = namespace.concat(name);
217 }
218
219 return name;
220 }
221
222 @Override
223 protected String getPage() {
224 return _PAGE;
225 }
226
227 @Override
228 protected void setAttributes(HttpServletRequest request) {
229 request.setAttribute(
230 "liferay-ui:language:displayCurrentLocale",
231 String.valueOf(_displayCurrentLocale));
232 request.setAttribute(
233 "liferay-ui:language:displayStyle", getDisplayStyle());
234 request.setAttribute(
235 "liferay-ui:language:displayStyleGroupId", _ddmTemplateGroupId);
236 request.setAttribute("liferay-ui:language:formAction", getFormAction());
237 request.setAttribute("liferay-ui:language:formName", _formName);
238 request.setAttribute(
239 "liferay-ui:language:languageEntries",
240 getLanguageEntries(
241 getLocales(), _displayCurrentLocale, getFormAction(),
242 getNamespacedName()));
243 request.setAttribute("liferay-ui:language:languageId", _languageId);
244 request.setAttribute("liferay-ui:language:name", _name);
245 }
246
247 private static final String _PAGE = "/html/taglib/ui/language/page.jsp";
248
249 private long _ddmTemplateGroupId;
250 private String _ddmTemplateKey;
251 private boolean _displayCurrentLocale = true;
252 private String _formAction;
253 private String _formName = "fm";
254 private String _languageId;
255 private String[] _languageIds;
256 private String _name = "languageId";
257 private boolean _useNamespace = true;
258
259 }