DS-842 from trail to user box; add to all themes; keep URI when changing language

dspace-xmlui/src/main/java/org/dspace/app/xmlui/aspect/viewArtifacts/Navigation.java

@@ -130,7 +130,7 @@ public class Navigation extends AbstractDSpaceTransformer implements CacheablePr
         pageMeta.addMetadata("page","contactURL").addContent(contextPath + "/contact");
         pageMeta.addMetadata("page","feedbackURL").addContent(contextPath + "/feedback");
 
-        // Add the locale meta data including language dependent labels
+        // Add the locale metadata including language-dependent labels
         Locale[] locales = I18nUtil.getSupportedLocales();
         for (int i=0; i < locales.length; i++)
         {

dspace-xmlui/src/main/webapp/themes/Kubrick/lib/css/style.css

@@ -1983,3 +1983,7 @@ background-color: rgb(255, 255, 255);
 margin: 2px 2px 0px 2px;
 /* border: 1px solid rgb(240, 240, 210); */
 }
+
+#ds-language-selection {
+text-align: right;
+}

dspace-xmlui/src/main/webapp/themes/Mirage/lib/xsl/core/page-structure.xsl

@@ -384,27 +384,12 @@
                     </xsl:otherwise>
                 </xsl:choose>
                 
-                <!-- Display a language selection if more than 1 language is supported -->
-                <xsl:if test="count(/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='page'][@qualifier='supportedLocale']) &gt; 1">
-                    <div id="ds-language-selection">
-                        <xsl:for-each select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='page'][@qualifier='supportedLocale']">
-                            <xsl:variable name="locale" select="."/>
-                            <a>
-                                <xsl:attribute name="href">
-                                    <xsl:value-of select="concat($context-path,'/?locale-attribute=')"/>
-                                    <xsl:value-of select="$locale"/>
-                                </xsl:attribute>
-                                <xsl:value-of select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='supportedLocale'][@qualifier=$locale]"/>
-                            </a>
-                        </xsl:for-each>
-                    </div>
-                </xsl:if>
+                <xsl:call-template name="languageSelection" />
                 
             </div>
         </div>
     </xsl:template>
 
-
     <!-- The header (distinct from the HTML head element) contains the title, subtitle, login box and various
         placeholders for header images -->
     <xsl:template name="buildTrail">

dspace-xmlui/src/main/webapp/themes/dri2xhtml-alt/core/global-variables.xsl

@@ -50,4 +50,17 @@
     -->
     <xsl:variable name="theme-path" select="concat($context-path,'/themes/',/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='theme'][@qualifier='path'])"/>
 
+    <!--
+        Full URI of the current page. Composed of scheme, server name and port and request URI.
+    -->
+    <xsl:variable name="current-uri">
+        <xsl:value-of select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='request'][@qualifier='scheme']"/>
+        <xsl:text>://</xsl:text>
+        <xsl:value-of select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='request'][@qualifier='serverName']"/>
+        <xsl:text>:</xsl:text>
+        <xsl:value-of select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='request'][@qualifier='serverPort']"/>
+        <xsl:text>/</xsl:text>
+        <xsl:value-of select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='request'][@qualifier='URI']"/>
+    </xsl:variable>
+
 </xsl:stylesheet>

dspace-xmlui/src/main/webapp/themes/dri2xhtml-alt/core/page-structure.xsl

@@ -354,6 +354,7 @@
                 </xsl:otherwise>
             </xsl:choose>
 
+            <xsl:call-template name="languageSelection" />
         </div>
     </xsl:template>
 
@@ -583,4 +584,23 @@
         </xsl:if>
     </xsl:variable>
     
+    <!-- Display language selection if more than 1 language is supported -->
+    <xsl:template name="languageSelection">
+        <xsl:if test="count(/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='page'][@qualifier='supportedLocale']) &gt; 1">
+            <div id="ds-language-selection">
+                <xsl:for-each select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='page'][@qualifier='supportedLocale']">
+                    <xsl:variable name="locale" select="."/>
+                    <a>
+                        <xsl:attribute name="href">
+                            <xsl:value-of select="$current-uri"/>
+                            <xsl:text>?locale-attribute=</xsl:text>
+                            <xsl:value-of select="$locale"/>
+                        </xsl:attribute>
+                        <xsl:value-of select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='supportedLocale'][@qualifier=$locale]"/>
+                    </a>
+                </xsl:for-each>
+            </div>
+        </xsl:if>
+    </xsl:template>
+
 </xsl:stylesheet>

dspace-xmlui/src/main/webapp/themes/dri2xhtml/structural.xsl

@@ -48,6 +48,19 @@
     -->
     <xsl:variable name="theme-path" select="concat($context-path,'/themes/',/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='theme'][@qualifier='path'])"/>
 
+    <!--
+        Full URI of the current page. Composed of scheme, server name and port and request URI.
+    -->
+    <xsl:variable name="current-uri">
+        <xsl:value-of select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='request'][@qualifier='scheme']"/>
+        <xsl:text>://</xsl:text>
+        <xsl:value-of select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='request'][@qualifier='serverName']"/>
+        <xsl:text>:</xsl:text>
+        <xsl:value-of select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='request'][@qualifier='serverPort']"/>
+        <xsl:text>/</xsl:text>
+        <xsl:value-of select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='request'][@qualifier='URI']"/>
+    </xsl:variable>
+
     <!--
         Requested Page URI. Some functions may alter behavior of processing depending if URI matches a pattern.
         Specifically, adding a static page will need to override the DRI, to directly add content.
@@ -373,6 +386,9 @@
                                 <i18n:text>xmlui.dri2xhtml.structural.logout</i18n:text>
                             </a>
                         </p>
+                        <p>
+                            <xsl:call-template name="languageSelection" />
+                        </p>
                     </div>
                 </xsl:when>
                 <xsl:otherwise>
@@ -386,6 +402,9 @@
                                 <i18n:text>xmlui.dri2xhtml.structural.login</i18n:text>
                             </a>
                         </p>
+                        <p>
+                            <xsl:call-template name="languageSelection" />
+                        </p>
                     </div>
                 </xsl:otherwise>
             </xsl:choose>
@@ -3798,5 +3817,24 @@
         <xsl:apply-templates select="$metsDoc/mets:METS/mets:fileSec" mode="artifact-preview"/>
 
     </xsl:template>
+    
+    <!-- Display language selection if more than 1 language is supported -->
+    <xsl:template name="languageSelection">
+        <xsl:if test="count(/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='page'][@qualifier='supportedLocale']) &gt; 1">
+            <div id="ds-language-selection">
+                <xsl:for-each select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='page'][@qualifier='supportedLocale']">
+                    <xsl:variable name="locale" select="."/>
+                    <a>
+                        <xsl:attribute name="href">
+                            <xsl:value-of select="$current-uri"/>
+                            <xsl:text>?locale-attribute=</xsl:text>
+                            <xsl:value-of select="$locale"/>
+                        </xsl:attribute>
+                        <xsl:value-of select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='supportedLocale'][@qualifier=$locale]"/>
+                    </a>
+                </xsl:for-each>
+            </div>
+        </xsl:if>
+    </xsl:template>
 
 </xsl:stylesheet>