001
014
015 package com.liferay.taglib.ui;
016
017 import com.liferay.portal.kernel.language.LanguageUtil;
018 import com.liferay.portal.kernel.portletdisplaytemplate.PortletDisplayTemplateManagerUtil;
019 import com.liferay.portal.kernel.servlet.taglib.ui.LanguageEntry;
020 import com.liferay.portal.kernel.util.ArrayUtil;
021 import com.liferay.portal.kernel.util.HttpUtil;
022 import com.liferay.portal.kernel.util.JavaConstants;
023 import com.liferay.portal.kernel.util.LocaleUtil;
024 import com.liferay.portal.kernel.util.Validator;
025 import com.liferay.portal.kernel.util.WebKeys;
026 import com.liferay.portal.theme.ThemeDisplay;
027 import com.liferay.portal.util.PortalUtil;
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 PortletDisplayTemplateManagerUtil.getDisplayStyle(
103 _ddmTemplateKey);
104 }
105
106 return null;
107 }
108
109 protected long getDisplayStyleGroupId() {
110 if (_ddmTemplateGroupId > 0) {
111 return _ddmTemplateGroupId;
112 }
113
114 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
115 WebKeys.THEME_DISPLAY);
116
117 return themeDisplay.getScopeGroupId();
118 }
119
120 protected String getFormAction() {
121 String formAction = _formAction;
122
123 if (Validator.isNotNull(formAction)) {
124 return formAction;
125 }
126
127 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
128 WebKeys.THEME_DISPLAY);
129
130 formAction =
131 themeDisplay.getPathMain() +
132 "/portal/update_language?p_l_id=" + themeDisplay.getPlid();
133 formAction = HttpUtil.setParameter(
134 formAction, "redirect", PortalUtil.getCurrentURL(request));
135
136 return formAction;
137 }
138
139 protected List<LanguageEntry> getLanguageEntries(
140 Collection<Locale> locales, boolean displayCurrentLocale,
141 String formAction, String parameterName) {
142
143 List<LanguageEntry> languageEntries = new ArrayList<>();
144
145 Map<String, Integer> counts = new HashMap<>();
146
147 for (Locale locale : locales) {
148 Integer count = counts.get(locale.getLanguage());
149
150 if (count == null) {
151 count = Integer.valueOf(1);
152 }
153 else {
154 count = Integer.valueOf(count.intValue() + 1);
155 }
156
157 counts.put(locale.getLanguage(), count);
158 }
159
160 Set<String> duplicateLanguages = new HashSet<>();
161
162 for (Locale locale : locales) {
163 Integer count = counts.get(locale.getLanguage());
164
165 if (count.intValue() != 1) {
166 duplicateLanguages.add(locale.getLanguage());
167 }
168 }
169
170 Locale currentLocale = null;
171
172 if (Validator.isNotNull(_languageId)) {
173 currentLocale = LocaleUtil.fromLanguageId(_languageId);
174 }
175 else {
176 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
177 WebKeys.THEME_DISPLAY);
178
179 currentLocale = themeDisplay.getLocale();
180 }
181
182 for (Locale locale : locales) {
183 String url = null;
184
185 if (!LocaleUtil.equals(locale, currentLocale)) {
186 url = HttpUtil.setParameter(
187 formAction, parameterName, LocaleUtil.toLanguageId(locale));
188 }
189 else if (!displayCurrentLocale) {
190 continue;
191 }
192
193 languageEntries.add(
194 new LanguageEntry(
195 duplicateLanguages, currentLocale, locale, url));
196 }
197
198 return languageEntries;
199 }
200
201 protected Collection<Locale> getLocales() {
202 if (ArrayUtil.isNotEmpty(_languageIds)) {
203 return Arrays.asList(LocaleUtil.fromLanguageIds(_languageIds));
204 }
205
206 ThemeDisplay themeDisplay = (ThemeDisplay)request.getAttribute(
207 WebKeys.THEME_DISPLAY);
208
209 return LanguageUtil.getAvailableLocales(themeDisplay.getSiteGroupId());
210 }
211
212 protected String getNamespacedName() {
213 String name = _name;
214
215 if (!_useNamespace) {
216 return name;
217 }
218
219 PortletRequest portletRequest = (PortletRequest)request.getAttribute(
220 JavaConstants.JAVAX_PORTLET_REQUEST);
221 PortletResponse portletResponse = (PortletResponse)request.getAttribute(
222 JavaConstants.JAVAX_PORTLET_RESPONSE);
223
224 String namespace = AUIUtil.getNamespace(
225 portletRequest, portletResponse);
226
227 if (Validator.isNotNull(namespace)) {
228 name = namespace.concat(name);
229 }
230
231 return name;
232 }
233
234 @Override
235 protected String getPage() {
236 return _PAGE;
237 }
238
239 @Override
240 protected void setAttributes(HttpServletRequest request) {
241 request.setAttribute(
242 "liferay-ui:language:displayCurrentLocale",
243 String.valueOf(_displayCurrentLocale));
244 request.setAttribute(
245 "liferay-ui:language:displayStyle", getDisplayStyle());
246 request.setAttribute(
247 "liferay-ui:language:displayStyleGroupId",
248 getDisplayStyleGroupId());
249 request.setAttribute("liferay-ui:language:formAction", getFormAction());
250 request.setAttribute("liferay-ui:language:formName", _formName);
251 request.setAttribute(
252 "liferay-ui:language:languageEntries",
253 getLanguageEntries(
254 getLocales(), _displayCurrentLocale, getFormAction(),
255 getNamespacedName()));
256 request.setAttribute("liferay-ui:language:languageId", _languageId);
257 request.setAttribute("liferay-ui:language:name", _name);
258 }
259
260 private static final String _PAGE = "/html/taglib/ui/language/page.jsp";
261
262 private long _ddmTemplateGroupId;
263 private String _ddmTemplateKey;
264 private boolean _displayCurrentLocale = true;
265 private String _formAction;
266 private String _formName = "fm";
267 private String _languageId;
268 private String[] _languageIds;
269 private String _name = "languageId";
270 private boolean _useNamespace = true;
271
272 }