Better handling of path or location for administration links.

library/model/src/link/cms_local_link.e

@@ -90,6 +90,10 @@ feature -- Element change
 				children := lst
 			end
 			lst.force (lnk)
+			if not is_expanded then
+				set_expandable (True)
+				set_collapsed (True)
+			end
 		end
 
 	remove_link (lnk: CMS_LINK)
@@ -102,6 +106,8 @@ feature -- Element change
 				lst.prune_all (lnk)
 				if lst.is_empty then
 					children := Void
+					set_collapsed (False)
+					set_expandable (False)
 				end
 			end
 		end
@@ -110,6 +116,12 @@ feature -- Element change
 			-- Set `children' to `lst'.	
 		do
 			children := lst
+			if lst /= Void and then not lst.is_empty then
+				if not is_expanded then
+					set_expandable (True)
+					set_collapsed (True)
+				end
+			end
 		ensure
 			children_set: children = lst
 		end
@@ -184,6 +196,6 @@ feature {NONE} -- Implementation
 invariant
 
 note
-	copyright: "2011-2016, Javier Velilla, Jocelyn Fiat, Eiffel Software and others"
+	copyright: "2011-2017, Javier Velilla, Jocelyn Fiat, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 end

src/service/cms_api.e

@@ -256,13 +256,17 @@ feature -- Access: url
 	administration_path (a_relative_path: detachable READABLE_STRING_8): STRING_8
 		do
 			create Result.make_from_string (setup.administration_base_path)
-			if a_relative_path /= Void and then not a_relative_path.is_empty then
+			if a_relative_path /= Void then
+				if a_relative_path.is_empty then
+					Result.append_character ('/')
+				else
 					if a_relative_path[1] /= '/' then
 						Result.append_character ('/')
 					end
 					Result.append (a_relative_path)
 				end
 			end
+		end
 
 	administration_path_location (a_relative_location: detachable READABLE_STRING_8): STRING_8
 		require
@@ -270,10 +274,16 @@ feature -- Access: url
 		do
 			create Result.make_from_string (administration_base_path_location)
 			if a_relative_location /= Void then
+				if a_relative_location.is_empty then
 					Result.append_character ('/')
+				else
+					if a_relative_location[1] /= '/' then
+						Result.append_character ('/')
+					end
 					Result.append (a_relative_location)
 				end
 			end
+		end
 
 feature {NONE} -- Url implementation.		
 
@@ -282,9 +292,11 @@ feature {NONE} -- Url implementation.
 
 feature -- CMS links
 
-	administration_link (a_title: READABLE_STRING_GENERAL; a_location: READABLE_STRING_8): CMS_LOCAL_LINK
+	administration_link (a_title: READABLE_STRING_GENERAL; a_relative_location: detachable READABLE_STRING_8): CMS_LOCAL_LINK
+		require
+			no_first_slash: a_relative_location = Void or else not a_relative_location.starts_with_general ("/")
 		do
-			Result := local_link (a_title, administration_path_location (a_location))
+			Result := local_link (a_title, administration_path_location (a_relative_location))
 		end
 
 	local_link (a_title: READABLE_STRING_GENERAL; a_location: READABLE_STRING_8): CMS_LOCAL_LINK

src/service/cms_execution.e

@@ -160,7 +160,7 @@ feature -- Settings: router
 			l_api.logger.put_debug (generator + ".setup_router_for_administration", Void)
 
 				-- Configure root of api handler.
-			l_router.set_base_url (l_api.administration_path (""))
+			l_router.set_base_url (l_api.administration_path (Void))
 			
 				-- Include routes from modules.
 			across

src/service/handler/cms_admin_install_handler.e

@@ -105,7 +105,7 @@ feature -- HTTP Methods
 					s.append ("</li>%N")
 				end
 				s.append ("</ul>")
-				s.append ("<div>Back to the " + r.link ("Administration", api.administration_path (""), Void) + " ...</div>")
+				s.append ("<div>Back to the " + r.link ("Administration", api.administration_path (Void), Void) + " ...</div>")
 				r.set_main_content (s)
 			end
 			r.set_title (r.translation ("CMS Installation ...", Void))

src/service/response/cms_response.e

@@ -1333,9 +1333,11 @@ feature -- Generation
 
 feature -- Helpers: cms link
 
-	administration_link (a_title: READABLE_STRING_GENERAL; a_location: READABLE_STRING_8): CMS_LOCAL_LINK
+	administration_link (a_title: READABLE_STRING_GENERAL; a_relative_location: detachable READABLE_STRING_8): CMS_LOCAL_LINK
+		require
+			no_first_slash: a_relative_location = Void or else not a_relative_location.starts_with_general ("/")
 		do
-			Result := api.administration_link (a_title, a_location)
+			Result := api.administration_link (a_title, a_relative_location)
 		end
 
 	local_link (a_title: READABLE_STRING_GENERAL; a_location: READABLE_STRING_8): CMS_LOCAL_LINK