VIVO-12 NIHVIVO-4011 Provide config and GUI for selecting Locale

webapp/web/WEB-INF/resources/startup_listeners.txt

@@ -55,6 +55,9 @@ edu.cornell.mannlib.vitro.webapp.services.shortview.ShortViewServiceSetup
 
 edu.ucsf.vitro.opensocial.OpenSocialSmokeTests
 
+# For multiple language support
+edu.cornell.mannlib.vitro.webapp.i18n.selection.LocaleSelectionSetup
+
 # The Solr index uses a "public" permission, so the PropertyRestrictionPolicyHelper 
 #   and the PermissionRegistry must already be set up.
 edu.cornell.mannlib.vitro.webapp.search.solr.SolrSetup

webapp/web/WEB-INF/web.xml

@@ -78,6 +78,16 @@
     <url-pattern>/*</url-pattern>
   </filter-mapping>
 
+  <filter>
+    <description>Override the Locale in the HttpRequest, if appropriate.</description>
+    <filter-name>Locale selection filter</filter-name>
+    <filter-class>edu.cornell.mannlib.vitro.webapp.i18n.selection.LocaleSelectionFilter</filter-class>
+  </filter>
+  <filter-mapping>
+    <filter-name>Locale selection filter</filter-name>
+    <url-pattern>/*</url-pattern>
+  </filter-mapping>
+
   <filter>
     <filter-name>JSession Strip Filter</filter-name>
     <filter-class>edu.cornell.mannlib.vitro.webapp.filters.JSessionStripFilter</filter-class>
@@ -1338,6 +1348,16 @@
     <url-pattern>/orng/*</url-pattern>
   </servlet-mapping>
 
+  <servlet>
+    <description>Multiple-language support. Allows user to select his preferred langauge</description>
+    <servlet-name>LocaleSelectionController</servlet-name>
+    <servlet-class>edu.cornell.mannlib.vitro.webapp.i18n.selection.LocaleSelectionController</servlet-class>
+  </servlet>
+  <servlet-mapping>
+    <servlet-name>LocaleSelectionController</servlet-name>
+    <url-pattern>/selectLocale</url-pattern>
+  </servlet-mapping>
+
 
   <!-- ==================== tag libraries ============================== -->
   <jsp-config>

webapp/web/templates/freemarker/page/partials/identity.ftl

@@ -8,6 +8,7 @@
 
     <nav role="navigation">
         <ul id="header-nav" role="list">
+            <#include "languageSelector.ftl">
             <#if user.loggedIn>
                 <li role="listitem">${user.loginName}</li>
                 <li role="listitem"><a href="${urls.logout}" title="End your session">Log out</a></li>

webapp/web/templates/freemarker/page/partials/languageSelector.ftl

@@ -0,0 +1,31 @@
+<#-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
+
+<#-- 
+  How can this done with images instead of buttons containing images?
+  Why don't the "alt" values show as tooltips?"
+  What was the right way to do this?
+ -->
+
+<#-- This is included by identity.ftl --> 
+<#if selectLocale??>
+    <li>
+      <form method="get" action="${selectLocale.selectLocaleUrl}" >
+        <#list selectLocale.locales as locale>
+          <button type="submit" name="selection" value="${locale.code}">
+            <img src="${locale.imageUrl}" height="15" align="middle" alt="${locale.label}"/>
+          </button>
+          <#if locale_has_next>|</#if>
+        </#list>
+      </form>
+    </li>
+</#if>
+
+<#-- 
+ * selectLocale
+ * -- selectLocaleUrl
+ * -- locales [list of maps]
+ *    -- [map]
+ *       -- code
+ *       -- label (tooltip relative to the current Locale)
+ *       -- imageUrl
+-->