Improved taxonomy by supporting tags, multiple terms allowed, and required kind of vocabulary for specific content type.

Updated node web form, to support taxonomy editing if allowed (specific support for CMS_VOCABULARY.is_tags: BOOLEAN).
Added notion of required or optional module dependencies.

modules/taxonomy/cms_taxonomy_module.e

@@ -17,7 +17,8 @@ inherit
 			initialize,
 			install,
 			uninstall,
-			taxonomy_api
+			taxonomy_api,
+			permissions
 		end
 
 	CMS_HOOK_MENU_SYSTEM_ALTER
@@ -41,6 +42,16 @@ feature -- Access
 
 	name: STRING = "taxonomy"
 
+	permissions: LIST [READABLE_STRING_8]
+			-- List of permission ids, used by this module, and declared.
+		do
+			Result := Precursor
+			Result.force ("admin taxonomy")
+			Result.force ("update any taxonomy")
+			Result.force ("update page taxonomy") -- related to node module
+			Result.force ("update blog taxonomy") -- related to blog module
+		end
+
 feature {CMS_API} -- Module Initialization			
 
 	initialize (api: CMS_API)
@@ -53,6 +64,9 @@ feature {CMS_API} -- Module Initialization
 feature {CMS_API} -- Module management
 
 	install (api: CMS_API)
+		local
+			voc: CMS_VOCABULARY
+			l_taxonomy_api: like taxonomy_api
 		do
 				-- Schema
 			if attached {CMS_STORAGE_SQL_I} api.storage as l_sql_storage then
@@ -61,6 +75,13 @@ feature {CMS_API} -- Module management
 					api.logger.put_error ("Could not install database for taxonomy module", generating_type)
 				end
 				Precursor (api)
+
+				create l_taxonomy_api.make (api)
+				create voc.make ("Tags")
+				voc.set_description ("Enter comma separated tags.")
+				l_taxonomy_api.save_vocabulary (voc)
+				voc.set_is_tags (True)
+				l_taxonomy_api.associate_vocabulary_with_type (voc, "page")
 			end
 		end