with one switch, a system administrator can now disable the category support

(no searching for categories, no getting communities by category,
no category display on community profile, no changing a community's category)

etc/ui-config.xml

@@ -12,7 +12,7 @@
 
     The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
     for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
-    Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+    Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 
     Contributor(s): 
 -->
@@ -341,8 +341,8 @@ Text of this agreement is TBD.
       <title>Community Administration:</title>
       <subtitle>${name}</subtitle>
       <link href="comm/profile.js.vs?cc=${cid}" type="servlet">Community Profile</link>
-      <link href="comm/category.js.vs?cc=${cid}" type="servlet">Set Community Category</link>
-      <link href="TODO?cc=${cid}" type="servlet">Set Community Services</link>
+      <link href="comm/category.js.vs?cc=${cid}" ifdef="USECAT" type="servlet">Set Community Category</link>
+      <link href="TODO?cc=${cid}" disabled="true" type="servlet">Set Community Services</link>
       <link href="comm/set_member.js.vs?cc=${cid}" type="servlet">Membership Control</link>
       <link href="comm/email.js.vs?cc=${cid}" type="servlet">E-Mail To All Members</link>
       <link href="comm/audit.js.vs?cc=${cid}" type="servlet">Display Audit Records</link>
@@ -353,7 +353,7 @@ Text of this agreement is TBD.
     <menudef id="system.admin">
       <title>System Administration</title>
       <link href="sysadmin/global.js.vs" type="servlet">Edit Global Properties</link>
-      <link href="TODO" type="servlet">View/Edit Banned Users</link>
+      <link href="TODO" disabled="true" type="servlet">View/Edit Banned Users</link>
       <link href="sysadmin/find_user.js.vs" type="servlet">User Account Management</link>
       <link href="sysadmin/audit.js.vs" type="servlet">System Audit Logs</link>
       <link href="sysadmin/import.js.vs" type="servlet">Import User Accounts</link>
@@ -584,6 +584,7 @@ the community's host, or via an invitation e-mail message. Please enter it in th
       <rolelist name="create_lvl" capt="Security level required to create a new community" required="true"/>
       <header capt="Community Properties"/>
       <int name="comm_mbrs" capt="Number of community members to display per page" min="10" max="100"/>
+      <checkbox name="no_cats" capt="Disable community categorization system"/>
       <header capt="Conferencing Properties"/>
       <int name="posts_page" capt="Maximum number of posts to display per page" min="5" max="100"/>
       <int name="old_posts" capt='Number of "old" posts to display at top of page' min="1" max="5"/>

etc/web.xml

@@ -15,7 +15,7 @@
 
     The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
     for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
-    Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+    Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 
     Contributor(s): 
 -->
@@ -209,6 +209,11 @@
     <taglib-location>/WEB-INF/tlds/frame-taglib.tld</taglib-location>
   </taglib>
 
+  <taglib>
+    <taglib-uri>/tlds/global</taglib-uri>
+    <taglib-location>/WEB-INF/tlds/global-taglib.tld</taglib-location>
+  </taglib>
+
   <taglib>
     <taglib-uri>/tlds/user</taglib-uri>
     <taglib-location>/WEB-INF/tlds/user-taglib.tld</taglib-location>

scripts/comm/admin_menu.js

@@ -10,7 +10,7 @@
 // 
 // The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
 // for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
-// Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+// Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 // 
 // Contributor(s): 
 
@@ -43,4 +43,6 @@ menu = rinput.getMenu("community.admin",vars);
 // build a view around it and return it
 rc = new MenuView(menu);
 rc.menuSelector = Content.MENU_SELECTOR_COMMUNITY;
+if (rinput.engine.useCategories())
+  rc.define("USECAT");
 vlib.output(rc);

scripts/find.js

@@ -10,7 +10,7 @@
 // 
 // The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
 // for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
-// Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+// Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 // 
 // Contributor(s): 
 
@@ -35,6 +35,13 @@ if (rinput.hasParameter("disp"))
 
   } // end if
 
+  if ((disp==FindView.FD_CATEGORIES) && !(rinput.engine.useCategories()))
+  { // the display parameter is not correct
+    vlib.output(new ErrorBox(null,"Invalid display parameter.","top.js.vs"));
+    vlib.done();
+
+  } // end if
+
   // save off the session attribute
   rinput.setSessionAttribute(FindView.DISPLAY_PARAM_ATTRIBUTE,new java.lang.Integer(disp));
 
@@ -107,9 +114,14 @@ try
 
   if (disp==FindView.FD_COMMUNITIES)
   { // load the category ID and field parameters
-    catid = rinput.getParameterInt("cat",-1);
-    if (!(rinput.engine.isValidCategoryID(catid)))
-      throw new ValidationException("The category ID parameter is not valid.");
+    if (rinput.engine.useCategories())
+    { // don't try to get the category unless we support such a thing
+      catid = rinput.getParameterInt("cat",-1);
+      if (!(rinput.engine.isValidCategoryID(catid)))
+        throw new ValidationException("The category ID parameter is not valid.");
+
+    } // end if
+
     x = rinput.getParameterInt("field",SearchMode.FIELD_COMMUNITY_NAME);
     if ((x!=SearchMode.FIELD_COMMUNITY_NAME) && (x!=SearchMode.FIELD_COMMUNITY_SYNOPSIS))
       throw new ValidationException("The search field parameter is not valid.");
@@ -153,7 +165,7 @@ try
   // run the actual search!
   if (disp==FindView.FD_COMMUNITIES)
   { // need to work it differently if there's a category ID
-    if (catid>=0)
+    if (rinput.engine.useCategories() && (catid>=0))
     { // set up the category
       view.category = rinput.user.getCategoryDescriptor(catid);
       if (view.category.categoryID>=0)

scripts/sysadmin/global.js

@@ -10,7 +10,7 @@
 // 
 // The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
 // for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
-// Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+// Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 // 
 // Contributor(s): 
 
@@ -52,6 +52,8 @@ if ("GET"==rinput.verb)
     dlg.setValue("conf_mbrs",props.conferenceMembersPerPage);
     if (props.displayPostPictures)
       dlg.setValue("pic_in_post",1);
+    if (props.disableCategories)
+      dlg.setValue("no_cats",1);
 
     rc = dlg;
 
@@ -100,6 +102,7 @@ if (op=="update")
     props.oldPostsAtTop = dlg.getValue("old_posts").intValue();
     props.conferenceMembersPerPage = dlg.getValue("conf_mbrs").intValue();
     props.displayPostPictures = dlg.getValue("pic_in_post").booleanValue();
+    props.disableCategories = dlg.getValue("no_cats").booleanValue();
     adm.properties = props;
 
     // done - bounce back to the menu

src/com/silverwrist/venice/core/GlobalProperties.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -33,6 +33,7 @@ public final class GlobalProperties
   private int audit_records_per_page;
   private int community_create_level;
   private boolean display_post_pictures;
+  private boolean disable_categories;
 
   /*--------------------------------------------------------------------------------
    * Constructor
@@ -50,6 +51,7 @@ public final class GlobalProperties
     audit_records_per_page = 100;
     community_create_level = 1000;   // this is actually the "normal user" security level
     display_post_pictures = false;
+    disable_categories = false;
 
   } // end constructor
 
@@ -166,4 +168,16 @@ public final class GlobalProperties
 
   } // end setDisplayPostPictures
 
+  public final boolean getDisableCategories()
+  {
+    return disable_categories;
+
+  } // end getDisableCategories
+
+  public final void setDisableCategories(boolean b)
+  {
+    disable_categories = b;
+
+  } // end setDisableCategories
+
 } // end class GlobalProperties

src/com/silverwrist/venice/core/VeniceEngine.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -89,4 +89,6 @@ public interface VeniceEngine extends SearchMode, ServiceGroup
 
   public abstract SecurityInfo getSecurityInfo();
 
+  public abstract boolean useCategories();
+
 } // end interface VeniceEngine

src/com/silverwrist/venice/core/impl/CommunityUserContextImpl.java

@@ -334,6 +334,8 @@ class CommunityUserContextImpl implements CommunityContext, CommunityBackend
 
   public int getCategoryID()
   {
+    if (env.getEngine().getParamBoolean(EngineBackend.BP_NOCATEGORIES))
+      return 0;
     CommunityData d = getDataNE();
     if (d!=null)
       return d.getCategoryID();
@@ -344,6 +346,8 @@ class CommunityUserContextImpl implements CommunityContext, CommunityBackend
 
   public CategoryDescriptor getCategory() throws DataException
   {
+    if (env.getEngine().getParamBoolean(EngineBackend.BP_NOCATEGORIES))
+      throw new DataException("The category system has been disabled on this site.");
     if (deleted)
       throw new DataException("This community has been deleted.");
     return new CategoryDescriptorImpl(env,getData().getCategoryID(),
@@ -571,6 +575,8 @@ class CommunityUserContextImpl implements CommunityContext, CommunityBackend
 
   public void setCategoryID(int catid) throws DataException, AccessError
   {
+    if (env.getEngine().getParamBoolean(EngineBackend.BP_NOCATEGORIES))
+      throw new DataException("The category system has been disabled on this site.");
     getData().testMembership(level,is_member);
     if (!(getData().canModifyCommunityProfile(level)))
     { // this user can't modify the community feature set

src/com/silverwrist/venice/core/impl/UserContextImpl.java

@@ -865,12 +865,16 @@ class UserContextImpl implements UserContext, UserBackend
 
   public List getRootCategoryList() throws DataException
   {
+    if (env.getEngine().getParamBoolean(EngineBackend.BP_NOCATEGORIES))
+      throw new DataException("The category system has been disabled on this site.");
     return CategoryDescriptorImpl.getTopLevelCategoryList(env,env.testPermission(EnvUser.PERM_SHOWHIDDENCATS));
 
   } // end getRootCategoryList
 
   public CategoryDescriptor getCategoryDescriptor(int catid) throws DataException
   {
+    if (env.getEngine().getParamBoolean(EngineBackend.BP_NOCATEGORIES))
+      throw new DataException("The category system has been disabled on this site.");
     return new CategoryDescriptorImpl(env,catid,!(env.testPermission(EnvUser.PERM_SHOWHIDDENCATS)));
 
   } // end getCategoryDescriptor
@@ -890,30 +894,40 @@ class UserContextImpl implements UserContext, UserBackend
 
   public List getCommunitiesInCategory(int catid, int offset, int count) throws DataException
   {
+    if (env.getEngine().getParamBoolean(EngineBackend.BP_NOCATEGORIES))
+      throw new DataException("The category system has been disabled on this site.");
     return CommunityUserContextImpl.getCommunitiesInCategory(env,catid,offset,count);
 
   } // end getCommunitiesInCategory
 
   public List getCommunitiesInCategory(CategoryDescriptor cat, int offset, int count) throws DataException
   {
+    if (env.getEngine().getParamBoolean(EngineBackend.BP_NOCATEGORIES))
+      throw new DataException("The category system has been disabled on this site.");
     return CommunityUserContextImpl.getCommunitiesInCategory(env,cat.getLinkedCategoryID(),offset,count);
 
   } // end getCommunitiesInCategory
 
   public int getNumCommunitiesInCategory(int catid) throws DataException
   {
+    if (env.getEngine().getParamBoolean(EngineBackend.BP_NOCATEGORIES))
+      throw new DataException("The category system has been disabled on this site.");
     return CommunityUserContextImpl.getNumCommunitiesInCategory(env,catid);
 
   } // end getNumCommunitiessInCategory
 
   public int getNumCommunitiesInCategory(CategoryDescriptor cat) throws DataException
   {
+    if (env.getEngine().getParamBoolean(EngineBackend.BP_NOCATEGORIES))
+      throw new DataException("The category system has been disabled on this site.");
     return CommunityUserContextImpl.getNumCommunitiesInCategory(env,cat.getLinkedCategoryID());
 
   } // end getNumCommunitiesInCategory
 
   public List searchForCategories(int mode, String term, int offset, int count) throws DataException
   {
+    if (env.getEngine().getParamBoolean(EngineBackend.BP_NOCATEGORIES))
+      throw new DataException("The category system has been disabled on this site.");
     return CategoryDescriptorImpl.searchForCategories(env,env.testPermission(EnvUser.PERM_SHOWHIDDENCATS),
 						      env.testPermission(EnvUser.PERM_SEARCHHIDDENCATS),mode,
 						      term,offset,count);
@@ -922,6 +936,8 @@ class UserContextImpl implements UserContext, UserBackend
 
   public int getSearchCategoryCount(int mode, String term) throws DataException
   {
+    if (env.getEngine().getParamBoolean(EngineBackend.BP_NOCATEGORIES))
+      throw new DataException("The category system has been disabled on this site.");
     return CategoryDescriptorImpl.getSearchCategoryCount(env,env.testPermission(EnvUser.PERM_SHOWHIDDENCATS),
 							 env.testPermission(EnvUser.PERM_SEARCHHIDDENCATS),
 							 mode,term);

src/com/silverwrist/venice/core/impl/VeniceEngineImpl.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -441,6 +441,7 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
     rc.setAuditRecordsPerPage(gp_ints[IP_NUMAUDITRECSPERPAGE]);
     rc.setCommunityCreateLevel(gp_ints[IP_CREATECOMMUNITYLVL]);
     rc.setDisplayPostPictures(global_flags.get(BP_POSTPICTURES));
+    rc.setDisableCategories(global_flags.get(BP_NOCATEGORIES));
     return rc;
 
   } // end createProperties
@@ -450,6 +451,8 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
     BitSet rc = new BitSet();
     if (global_flags.assign(BP_POSTPICTURES,props.getDisplayPostPictures()))
       rc.set(PROP_FLAGS);
+    if (global_flags.assign(BP_NOCATEGORIES,props.getDisableCategories()))
+      rc.set(PROP_FLAGS);
     if (gp_ints[IP_POSTSPERPAGE]!=props.getPostsPerPage())
     { // record variable change
       gp_ints[IP_POSTSPERPAGE] = props.getPostsPerPage();
@@ -1085,6 +1088,8 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
     checkInitialized();
     if (catid==-1)
       return true;  // valid by definition, it means "Top"
+    if (global_flags.get(BP_NOCATEGORIES))
+      return (catid==0);  // EJB 1/16/2001 - if categories are disabled, the only valid one is "unclassified"
     Connection conn = null;
 
     try
@@ -1477,6 +1482,12 @@ public class VeniceEngineImpl implements VeniceEngine, EngineBackend
 
   } // end getSecurityInfo
 
+  public boolean useCategories()
+  {
+    return !(global_flags.get(BP_NOCATEGORIES));
+
+  } // end useCategories
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface EngineBackend
    *--------------------------------------------------------------------------------

src/com/silverwrist/venice/core/internals/EngineBackend.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -51,6 +51,7 @@ public interface EngineBackend
 
   // Boolean parameter indexes
   public static final int BP_POSTPICTURES = 0;
+  public static final int BP_NOCATEGORIES = 1;
 
   // role parameter indexes
   public static final int ROLEP_CREATECOMMUNITY = 0;

src/com/silverwrist/venice/ui/jsp/GlobalCategoriesDisabledTag.java

@@ -0,0 +1,38 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.ui.jsp;
+
+import javax.servlet.jsp.*;
+import javax.servlet.jsp.tagext.*;
+import com.silverwrist.venice.core.*;
+import com.silverwrist.venice.ui.*;
+
+public class GlobalCategoriesDisabledTag extends VeniceTagSupport
+{
+  /*--------------------------------------------------------------------------------
+   * Overrides from class TagSupport
+   *--------------------------------------------------------------------------------
+   */
+
+  public int doStartTag() throws JspException
+  {
+    return (getRequestInput().getEngine().useCategories() ? SKIP_BODY : EVAL_BODY_INCLUDE);
+
+  } // end doStartTag
+
+} // end class GlobalCategoriesDisabledTag

src/com/silverwrist/venice/ui/jsp/GlobalCategoriesEnabledTag.java

@@ -0,0 +1,38 @@
+/*
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+ * 
+ * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+ * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+ * language governing rights and limitations under the License.
+ * 
+ * The Original Code is the Venice Web Communities System.
+ * 
+ * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+ * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+ * Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.ui.jsp;
+
+import javax.servlet.jsp.*;
+import javax.servlet.jsp.tagext.*;
+import com.silverwrist.venice.core.*;
+import com.silverwrist.venice.ui.*;
+
+public class GlobalCategoriesEnabledTag extends VeniceTagSupport
+{
+  /*--------------------------------------------------------------------------------
+   * Overrides from class TagSupport
+   *--------------------------------------------------------------------------------
+   */
+
+  public int doStartTag() throws JspException
+  {
+    return (getRequestInput().getEngine().useCategories() ? EVAL_BODY_INCLUDE : SKIP_BODY);
+
+  } // end doStartTag
+
+} // end class GlobalCategoriesEnabledTag

src/com/silverwrist/venice/ui/menus/CommunityMenu.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -70,6 +70,12 @@ public class CommunityMenu implements MenuComponent, ColorSelectors, LinkTypes
    */
 
   public void render(RequestOutput out, Writer wr) throws IOException
+  {
+    this.render(out,wr,Collections.EMPTY_SET);
+
+  } // end render
+
+  public void render(RequestOutput out, Writer wr, Set defines) throws IOException
   {
     if (wr==null)
       wr = out.getWriter();
@@ -86,7 +92,7 @@ public class CommunityMenu implements MenuComponent, ColorSelectors, LinkTypes
     while (it.hasNext())
     { // display each menu item in turn
       MenuComponent mc = (MenuComponent)(it.next());
-      mc.render(out,wr);
+      mc.render(out,wr,defines);
 
     } // end while
 
@@ -100,6 +106,12 @@ public class CommunityMenu implements MenuComponent, ColorSelectors, LinkTypes
   } // end render
 
   public void renderOnLeft(RequestOutput out, Writer wr) throws IOException
+  {
+    this.renderOnLeft(out,wr,Collections.EMPTY_SET);
+
+  } // end renderOnLeft
+
+  public void renderOnLeft(RequestOutput out, Writer wr, Set defines) throws IOException
   {
     if (wr==null)
       wr = out.getWriter();
@@ -114,7 +126,7 @@ public class CommunityMenu implements MenuComponent, ColorSelectors, LinkTypes
     while (it.hasNext())
     { // display each menu item in turn
       MenuComponent mc = (MenuComponent)(it.next());
-      mc.renderOnLeft(out,wr);
+      mc.renderOnLeft(out,wr,defines);
 
     } // end while
 

src/com/silverwrist/venice/ui/menus/HeaderItem.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -19,6 +19,7 @@ package com.silverwrist.venice.ui.menus;
 
 import java.io.IOException;
 import java.io.Writer;
+import java.util.Set;
 import org.w3c.dom.*;
 import com.silverwrist.util.DOMElementHelper;
 import com.silverwrist.venice.ui.RequestOutput;
@@ -50,21 +51,33 @@ class HeaderItem implements MenuComponent
    */
 
   public void render(RequestOutput out, Writer wr) throws IOException
+  {
+    this.render(out,wr,java.util.Collections.EMPTY_SET);
+
+  } // end render
+
+  public void render(RequestOutput out, Writer wr, Set defines) throws IOException
   {
     if (wr==null)
       wr = out.getWriter();
     wr.write("<FONT SIZE=+1><B>");
-    subitem.render(out,wr);
+    subitem.render(out,wr,defines);
     wr.write("</B></FONT><BR>\n");
 
   } // end render
 
   public void renderOnLeft(RequestOutput out, Writer wr) throws IOException
+  {
+    this.renderOnLeft(out,wr,java.util.Collections.EMPTY_SET);
+
+  } // end renderOnLeft
+
+  public void renderOnLeft(RequestOutput out, Writer wr, Set defines) throws IOException
   {
     if (wr==null)
       wr = out.getWriter();
     wr.write("<B>");
-    subitem.renderOnLeft(out,wr);
+    subitem.renderOnLeft(out,wr,defines);
     wr.write("</B><BR>\n");
 
   } // end renderOnLeft

src/com/silverwrist/venice/ui/menus/ImageItem.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -19,6 +19,7 @@ package com.silverwrist.venice.ui.menus;
 
 import java.io.IOException;
 import java.io.Writer;
+import java.util.Set;
 import org.w3c.dom.*;
 import com.silverwrist.util.DOMElementHelper;
 import com.silverwrist.venice.except.ConfigException;
@@ -72,6 +73,12 @@ class ImageItem implements MenuComponent
    */
 
   public void render(RequestOutput out, Writer wr) throws IOException
+  {
+    this.render(out,wr,java.util.Collections.EMPTY_SET);
+
+  } // end render
+
+  public void render(RequestOutput out, Writer wr, Set defines) throws IOException
   {
     if (wr==null)
       wr = out.getWriter();
@@ -94,7 +101,13 @@ class ImageItem implements MenuComponent
 
   public void renderOnLeft(RequestOutput out, Writer wr) throws IOException
   {
-    this.render(out,wr);
+    this.render(out,wr,java.util.Collections.EMPTY_SET);
+
+  } // end renderOnLeft
+
+  public void renderOnLeft(RequestOutput out, Writer wr, Set defines) throws IOException
+  {
+    this.render(out,wr,defines);
 
   } // end renderOnLeft
 

src/com/silverwrist/venice/ui/menus/LinkItem.java

@@ -20,6 +20,7 @@ package com.silverwrist.venice.ui.menus;
 import java.io.IOException;
 import java.io.Writer;
 import java.util.Map;
+import java.util.Set;
 import org.apache.log4j.*;
 import org.w3c.dom.*;
 import com.silverwrist.util.*;
@@ -48,6 +49,8 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
   private String target = null;       // target window for the link
   private String title = null;        // title (tooltip) for the link
   private String on_click = null;     // onClick JavaScript for the link
+  private String ifdef_sym = null;    // include only if defined
+  private String ifndef_sym = null;   // include only if NOT defined
   private int indent = 0;             // how many spaces do we indent this link?
   private MenuComponent contents;     // what does this link contain?  (image vs. text)
 
@@ -87,6 +90,12 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
     if (h.hasAttribute("onClick"))
       on_click = elt.getAttribute("onClick");
 
+    // load the "ifdef" and "ifndef" symbols
+    if (h.hasAttribute("ifdef"))
+      ifdef_sym = elt.getAttribute("ifdef");
+    if (h.hasAttribute("ifndef"))
+      ifndef_sym = elt.getAttribute("ifndef");
+
     // load the "disabled" attribute
     if (h.hasAttribute("disabled"))
       enabled = false;
@@ -120,6 +129,8 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
     this.target = other.target;
     this.title = other.title;
     this.on_click = StringUtil.replaceAllVariables(other.on_click,vars);
+    this.ifdef_sym = other.ifdef_sym;
+    this.ifndef_sym = other.ifndef_sym;
     this.indent = other.indent;
     this.contents = other.contents;
 
@@ -132,6 +143,16 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
 
   public void render(RequestOutput out, Writer wr) throws IOException
   {
+    this.render(out,wr,java.util.Collections.EMPTY_SET);
+
+  } // end render
+
+  public void render(RequestOutput out, Writer wr, Set defines) throws IOException
+  {
+    if ((ifdef_sym!=null) && !(defines.contains(ifdef_sym)))
+      return;
+    if ((ifndef_sym!=null) && defines.contains(ifndef_sym))
+      return;
     if (wr==null)
       wr = out.getWriter();
     for (int i=0; i<indent; i++)
@@ -152,7 +173,7 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
     } // end if
     else  // just disable the color
       wr.write(out.getFontTag(CONTENT_DISABLED,null));
-    contents.render(out,wr);
+    contents.render(out,wr,defines);
     if (enabled)
       wr.write("</A>");
     else
@@ -163,6 +184,16 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
 
   public void renderOnLeft(RequestOutput out, Writer wr) throws IOException
   {
+    this.renderOnLeft(out,wr,java.util.Collections.EMPTY_SET);
+
+  } // end renderOnLeft
+
+  public void renderOnLeft(RequestOutput out, Writer wr, Set defines) throws IOException
+  {
+    if ((ifdef_sym!=null) && !(defines.contains(ifdef_sym)))
+      return;
+    if ((ifndef_sym!=null) && defines.contains(ifndef_sym))
+      return;
     if (wr==null)
       wr = out.getWriter();
     for (int i=0; i<indent; i++)
@@ -181,7 +212,7 @@ class LinkItem implements MenuComponent, ColorSelectors, LinkTypes
     } // end if
     else
       wr.write(out.getFontTag(CONTENT_DISABLED,null));
-    contents.renderOnLeft(out,wr);
+    contents.renderOnLeft(out,wr,defines);
     wr.write("</FONT>");
     if (enabled)
       wr.write("</A>");

src/com/silverwrist/venice/ui/menus/Menu.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -137,6 +137,12 @@ public class Menu implements MenuComponent, ColorSelectors
    */
 
   public void render(RequestOutput out, Writer wr) throws IOException
+  {
+    this.render(out,wr,Collections.EMPTY_SET);
+
+  } // end render
+
+  public void render(RequestOutput out, Writer wr, Set defines) throws IOException
   {
     if (title!=null)
     { // write the header
@@ -160,7 +166,7 @@ public class Menu implements MenuComponent, ColorSelectors
     while (it.hasNext())
     { // render each menu item in turn
       MenuComponent mc = (MenuComponent)(it.next());
-      mc.render(out,wr);
+      mc.render(out,wr,defines);
 
     } // end while
 
@@ -176,6 +182,12 @@ public class Menu implements MenuComponent, ColorSelectors
   } // end render
 
   public void renderOnLeft(RequestOutput out, Writer wr) throws IOException
+  {
+    this.renderOnLeft(out,wr,Collections.EMPTY_SET);
+
+  } // end renderOnLeft
+
+  public void renderOnLeft(RequestOutput out, Writer wr, Set defines) throws IOException
   {
     if (wr==null)
       wr = out.getWriter();
@@ -191,7 +203,7 @@ public class Menu implements MenuComponent, ColorSelectors
     while (it.hasNext())
     { // render each menu item in turn
       MenuComponent mc = (MenuComponent)(it.next());
-      mc.renderOnLeft(out,wr);
+      mc.renderOnLeft(out,wr,defines);
 
     } // end while
 

src/com/silverwrist/venice/ui/menus/MenuComponent.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -19,14 +19,19 @@ package com.silverwrist.venice.ui.menus;
 
 import java.io.IOException;
 import java.io.Writer;
+import java.util.Set;
 import com.silverwrist.venice.ui.RequestOutput;
 
 public interface MenuComponent
 {
   public abstract void render(RequestOutput out, Writer wr) throws IOException;
 
+  public abstract void render(RequestOutput out, Writer wr, Set defines) throws IOException;
+
   public abstract void renderOnLeft(RequestOutput out, Writer wr) throws IOException;
 
+  public abstract void renderOnLeft(RequestOutput out, Writer wr, Set defines) throws IOException;
+
   public abstract String getTitle(RequestOutput out);
 
 } // end interface MenuComponent

src/com/silverwrist/venice/ui/menus/SeparatorItem.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -19,6 +19,7 @@ package com.silverwrist.venice.ui.menus;
 
 import java.io.IOException;
 import java.io.Writer;
+import java.util.Set;
 import com.silverwrist.venice.ui.RequestOutput;
 
 class SeparatorItem implements MenuComponent
@@ -54,9 +55,15 @@ class SeparatorItem implements MenuComponent
    */
 
   public void render(RequestOutput out, Writer wr) throws IOException
+  {
+    this.render(out,wr,java.util.Collections.EMPTY_SET);
+
+  } // end render
+
+  public void render(RequestOutput out, Writer wr, Set defines) throws IOException
   {
     if (subitem!=null)
-      subitem.render(out,wr);
+      subitem.render(out,wr,defines);
     if (wr==null)
       wr = out.getWriter();
     wr.write("<BR>\n");
@@ -64,9 +71,15 @@ class SeparatorItem implements MenuComponent
   } // end render
 
   public void renderOnLeft(RequestOutput out, Writer wr) throws IOException
+  {
+    this.renderOnLeft(out,wr,java.util.Collections.EMPTY_SET);
+
+  } // end renderOnLeft
+
+  public void renderOnLeft(RequestOutput out, Writer wr, Set defines) throws IOException
   {
     if (subitem!=null)
-      subitem.renderOnLeft(out,wr);
+      subitem.renderOnLeft(out,wr,defines);
     if (wr==null)
       wr = out.getWriter();
     wr.write("<BR>\n");

src/com/silverwrist/venice/ui/menus/TextItem.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -19,6 +19,7 @@ package com.silverwrist.venice.ui.menus;
 
 import java.io.IOException;
 import java.io.Writer;
+import java.util.Set;
 import com.silverwrist.util.StringUtil;
 import com.silverwrist.venice.ui.RequestOutput;
 
@@ -48,6 +49,12 @@ class TextItem implements MenuComponent
    */
 
   public void render(RequestOutput out, Writer wr) throws IOException
+  {
+    this.render(out,wr,java.util.Collections.EMPTY_SET);
+
+  } // end render
+
+  public void render(RequestOutput out, Writer wr, Set defines) throws IOException
   {
     if (wr==null)
       out.write(contents);
@@ -58,10 +65,13 @@ class TextItem implements MenuComponent
 
   public void renderOnLeft(RequestOutput out, Writer wr) throws IOException
   {
-    if (wr==null)
-      out.write(contents);
-    else
-      wr.write(contents);
+    this.render(out,wr,java.util.Collections.EMPTY_SET);
+
+  } // end renderOnLeft
+
+  public void renderOnLeft(RequestOutput out, Writer wr, Set defines) throws IOException
+  {
+    this.render(out,wr,defines);
 
   } // end renderOnLeft
 

src/com/silverwrist/venice/ui/view/MenuView.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -33,6 +33,7 @@ public class MenuView implements ContentDirect
   private int menu_selector = MENU_SELECTOR_NOCHANGE;
   private String qid = null;
   private MenuComponent component;
+  private Set defines = Collections.EMPTY_SET;
 
   /*--------------------------------------------------------------------------------
    * Constructor
@@ -81,7 +82,7 @@ public class MenuView implements ContentDirect
 
   public void render(RequestOutput out) throws IOException
   {
-    component.render(out,null);
+    component.render(out,null,defines);
 
   } // end render
 
@@ -102,4 +103,12 @@ public class MenuView implements ContentDirect
 
   } // end setPageQID
 
+  public final void define(String symbol)
+  {
+    if (defines==Collections.EMPTY_SET)
+      defines = new HashSet();
+    defines.add(symbol);
+
+  } // end define
+
 } // end class MenuView

tlds/global-taglib.tld

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
+<!--
+    The contents of this file are subject to the Mozilla Public License Version 1.1
+    (the "License"); you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
+
+    Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
+    WARRANTY OF ANY KIND, either express or implied. See the License for the specific
+    language governing rights and limitations under the License.
+
+    The Original Code is the Venice Web Communities System.
+
+    The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
+    for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
+    Copyright (C) 2002 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+
+    Contributor(s): 
+-->
+<!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN"
+                        "http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd">
+
+<taglib>
+  <!-- after this the default space is
+       "http://java.sun.com/j2ee/dtds/jsptaglibrary_1_2.dtd" -->
+
+  <tlibversion>0.1</tlibversion>
+  <jspversion>1.1</jspversion>
+  <shortname>global</shortname>
+  <uri></uri>
+  <info>Tag library used to access various global elements.</info>
+
+  <tag>
+    <name>categories_enabled</name>
+    <tagclass>com.silverwrist.venice.ui.jsp.GlobalCategoriesEnabledTag</tagclass>
+    <info>Includes its content if categories are enabled in the engine.</info>
+    <bodycontent>JSP</bodycontent>
+  </tag>
+
+  <tag>
+    <name>categories_disabled</name>
+    <tagclass>com.silverwrist.venice.ui.jsp.GlobalCategoriesDisabledTag</tagclass>
+    <info>Includes its content if categories are disabled in the engine.</info>
+    <bodycontent>JSP</bodycontent>
+  </tag>
+
+</taglib>

web/format/comm/profile.jsp

@@ -11,7 +11,7 @@
   
   The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
   for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
-  Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+  Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 
   Contributor(s): 
 --%>
@@ -20,6 +20,7 @@
 <%@ page import = "com.silverwrist.venice.ui.view.FindView" %>
 <%@ page import = "com.silverwrist.venice.ui.view.JSPView" %>
 <%@ taglib uri="/tlds/util" prefix="util" %>
+<%@ taglib uri="/tlds/global" prefix="global" %>
 <%@ taglib uri="/tlds/user" prefix="user" %>
 <%@ taglib uri="/tlds/community" prefix="comm" %>
 <%
@@ -66,17 +67,23 @@
   </util:font></TD>
 
   <TD ALIGN=LEFT CLASS="content"><util:font color="content.fg" size="content">
-    <comm:is_public><B><U>Public Community</U></B><BR></comm:is_public>
-    <comm:is_private><B><U>Private Community</U></B><BR></comm:is_private>
-    <B>Category:</B>
-    <% CategoryDescriptor cat = (CategoryDescriptor)(view.getRequestAttribute("category")); %>
-    <% for (int i=0; i<cat.getNumLevels(); i++) { %>
-      <% if (i>0) { %>: <% } %>
-      <util:xlink>
-        <util:href type="servlet">find.js.vs?disp=<%= FindView.FD_COMMUNITIES %>&cat=<%= cat.getIDAtLevel(i) %></util:href>
-        <util:text><util:escape><%= cat.getTitleAtLevel(i) %></util:escape></util:text>
-      </util:xlink>
-    <% } // end for %><P>
+    <comm:is_public><B><U>Public Community</U></B></comm:is_public>
+    <comm:is_private><B><U>Private Community</U></B></comm:is_private>
+    <global:categories_enabled>
+      <BR>
+      <B>Category:</B>
+      <% CategoryDescriptor cat = (CategoryDescriptor)(view.getRequestAttribute("category")); %>
+      <% for (int i=0; i<cat.getNumLevels(); i++) { %>
+        <% if (i>0) { %>: <% } %>
+        <util:xlink>
+          <util:href type="servlet">
+            find.js.vs?disp=<%= FindView.FD_COMMUNITIES %>&cat=<%= cat.getIDAtLevel(i) %>
+          </util:href>
+          <util:text><util:escape><%= cat.getTitleAtLevel(i) %></util:escape></util:text>
+        </util:xlink>
+      <% } // end for %>
+    </global:categories_enabled>
+    <P>
 
     <EM><util:escape><comm:synopsis/></util:escape></EM><P>
     <% UserProfile prof = (UserProfile)(view.getRequestAttribute("host.profile")); %>

web/format/find.jsp

@@ -11,7 +11,7 @@
   
   The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
   for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
-  Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+  Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 
   Contributor(s): 
 --%>
@@ -20,8 +20,10 @@
 <%@ page import = "com.silverwrist.venice.core.*" %>
 <%@ page import = "com.silverwrist.venice.ui.view.FindView" %>
 <%@ taglib uri="/tlds/util" prefix="util" %>
+<%@ taglib uri="/tlds/global" prefix="global" %>
 <%
   FindView data = FindView.get(request);
+  CategoryDescriptor cat = null;
 %>
 <util:comment>Find page</util:comment>
 <util:menuheader caption="Find:">
@@ -47,17 +49,19 @@
       <util:text>Users</util:text>
     </util:menuheaderitem>
   <% } // end if %>
-  <% if (data.testDisplayMode(FindView.FD_CATEGORIES)) { %>
-    <util:menuheaderitem selected="true">
-      <util:href type="servlet">find.js.vs?disp=<%= FindView.FD_CATEGORIES %></util:href>
-      <util:text>Categories</util:text>
-    </util:menuheaderitem>
-  <% } else { %>
-    <util:menuheaderitem>
-      <util:href type="servlet">find.js.vs?disp=<%= FindView.FD_CATEGORIES %></util:href>
-      <util:text>Categories</util:text>
-    </util:menuheaderitem>
-  <% } // end if %>
+  <global:categories_enabled>
+    <% if (data.testDisplayMode(FindView.FD_CATEGORIES)) { %>
+      <util:menuheaderitem selected="true">
+        <util:href type="servlet">find.js.vs?disp=<%= FindView.FD_CATEGORIES %></util:href>
+        <util:text>Categories</util:text>
+      </util:menuheaderitem>
+    <% } else { %>
+      <util:menuheaderitem>
+        <util:href type="servlet">find.js.vs?disp=<%= FindView.FD_CATEGORIES %></util:href>
+        <util:text>Categories</util:text>
+      </util:menuheaderitem>
+    <% } // end if %>
+  </global:categories_enabled>
   <% if (data.testDisplayMode(FindView.FD_POSTS)) { %>
     <util:menuheaderitem selected="true">
       <util:href type="servlet">find.js.vs?disp=<%= FindView.FD_POSTS %></util:href>
@@ -113,11 +117,17 @@
         </SELECT><BR>
       </util:font>
     <% } else if (data.testDisplayMode(FindView.FD_CATEGORIES)) { %>
-      <util:comment>Find Categories form</util:comment>
-      <util:font color="content.fg" size="content-heading"><B>Find Categories:</B></util:font>
-      <util:font color="content.fg" size="content">
-        Display all categories whose name&nbsp;&nbsp;
-      </util:font>
+      <global:categories_enabled>
+        <util:comment>Find Categories form</util:comment>
+        <util:font color="content.fg" size="content-heading"><B>Find Categories:</B></util:font>
+        <util:font color="content.fg" size="content">
+          Display all categories whose name&nbsp;&nbsp;
+        </util:font>
+      </global:categories_enabled>
+      <global:categories_disabled>
+        <%-- shouldn't get here --%>
+        <H1><FONT COLOR="red">Display parameter invalid!</FONT></H1>
+      </global:categories_disabled>
     <% } else { %>
       <%-- shouldn't get here --%>
       <H1><FONT COLOR="red">Display parameter invalid!</FONT></H1>
@@ -141,56 +151,64 @@
 </DIV></util:form>
 
 <%-- Display the current category --%>
-<% CategoryDescriptor cat = data.getCategory(); %>
-<% if (cat!=null) { %>
-  <util:comment>Display Category Name</util:comment>
-  <HR><util:font color="content.fg" size="subhead">
-    <B>Category:
-      <% if (cat.getCategoryID()<0) { %>
-        Top
-      <% } else { %>
-        <util:xlink>
-          <util:href type="servlet">find.js.vs?disp=<%= FindView.FD_COMMUNITIES %></util:href>
-          <util:text>Top</util:text>
-        </util:xlink>
-        <% for (int i=0; i<cat.getNumLevels(); i++) { %>
-          <% if (i<(cat.getNumLevels()-1)) { %>
-            :
-            <util:xlink>
-              <util:href type="servlet">find.js.vs?disp=<%= FindView.FD_COMMUNITIES %>&cat=<%= cat.getIDAtLevel(i) %></util:href>
-              <util:text><util:escape><%= cat.getTitleAtLevel(i) %></util:escape></util:text>
-            </util:xlink>
-          <% } else { %>
-            : <util:escape><%= cat.getTitleAtLevel(i) %></util:escape>
-          <% } // end if %>
-        <% } // end for %>
-      <% } // end if (displaying the subcategory tree) %> 
-    </B><P>
-
-    <%-- Display the subcategory list --%>
-    <% List subcats = data.getSubCategories(); %>
-    <% if ((subcats!=null) && (subcats.size()>0)) { %>
-      <util:comment>Display Subcategory List</util:comment>
-      <B>Subcategories:</B><BR>
-      <TABLE BORDER=0 CELLPADDING=0 CELLSPACING=2>
-        <% Iterator it = subcats.iterator(); %>
-        <% while (it.hasNext()) { %>
-          <TR VALIGN=TOP>
-            <TD ALIGN=CENTER WIDTH=14><util:stdbullet/></TD>
-            <TD ALIGN=LEFT CLASS="content"><util:font color="content.fg" size="content">
-              <% CategoryDescriptor c = (CategoryDescriptor)(it.next()); %>
-              <B><util:xlink>
-                <util:href type="servlet">find.js.vs?disp=<%= FindView.FD_COMMUNITIES %>&cat=<%= c.getLinkedCategoryID() %></util:href>
-                <util:text><util:escape><%= c.getTitleAtLevel(c.getNumLevels()-1) %></util:escape></util:text>
+<global:categories_enabled>
+  <% cat = data.getCategory(); %>
+  <% if (cat!=null) { %>
+    <util:comment>Display Category Name</util:comment>
+    <HR><util:font color="content.fg" size="subhead">
+      <B>Category:
+        <% if (cat.getCategoryID()<0) { %>
+          Top
+        <% } else { %>
+          <util:xlink>
+            <util:href type="servlet">find.js.vs?disp=<%= FindView.FD_COMMUNITIES %></util:href>
+            <util:text>Top</util:text>
+          </util:xlink>
+          <% for (int i=0; i<cat.getNumLevels(); i++) { %>
+            <% if (i<(cat.getNumLevels()-1)) { %>
+              :
+              <util:xlink>
+                <util:href type="servlet">
+                  find.js.vs?disp=<%= FindView.FD_COMMUNITIES %>&cat=<%= cat.getIDAtLevel(i) %>
+                </util:href>
+                <util:text><util:escape><%= cat.getTitleAtLevel(i) %></util:escape></util:text>
               </util:xlink>
-              <% if (c.isSymbolicLink()) { %><EM>@</EM><% } %>
-            </util:font></TD>
-          </TR>
-        <% } // end while %>
-      </TABLE>
-    <% } // end if (displaying subcategory list) %>
-  </util:font>
-<% } // end if (category specified) %>
+            <% } else { %>
+              : <util:escape><%= cat.getTitleAtLevel(i) %></util:escape>
+            <% } // end if %>
+          <% } // end for %>
+        <% } // end if (displaying the subcategory tree) %> 
+      </B><P>
+
+      <%-- Display the subcategory list --%>
+      <% List subcats = data.getSubCategories(); %>
+      <% if ((subcats!=null) && (subcats.size()>0)) { %>
+        <util:comment>Display Subcategory List</util:comment>
+        <B>Subcategories:</B><BR>
+        <TABLE BORDER=0 CELLPADDING=0 CELLSPACING=2>
+          <% Iterator it = subcats.iterator(); %>
+          <% while (it.hasNext()) { %>
+            <TR VALIGN=TOP>
+              <TD ALIGN=CENTER WIDTH=14><util:stdbullet/></TD>
+              <TD ALIGN=LEFT CLASS="content"><util:font color="content.fg" size="content">
+                <% CategoryDescriptor c = (CategoryDescriptor)(it.next()); %>
+                <B><util:xlink>
+                  <util:href type="servlet">
+                    find.js.vs?disp=<%= FindView.FD_COMMUNITIES %>&cat=<%= c.getLinkedCategoryID() %>
+                  </util:href>
+                  <util:text>
+                    <util:escape><%= c.getTitleAtLevel(c.getNumLevels()-1) %></util:escape>
+                  </util:text>
+                </util:xlink>
+                <% if (c.isSymbolicLink()) { %><EM>@</EM><% } %>
+              </util:font></TD>
+            </TR>
+          <% } // end while %>
+        </TABLE>
+      <% } // end if (displaying subcategory list) %>
+    </util:font>
+  <% } // end if (category specified) %>
+</global:categories_enabled>
 
 <%-- Display the search results --%>
 <% List results = data.getResults(); %>
@@ -332,11 +350,15 @@
                 <BR><EM><util:escape><%= uf.getDescription() %></util:escape></EM>
               <% } // end if %>
             <% } else if (data.testDisplayMode(FindView.FD_CATEGORIES)) { %>
-              <% CategoryDescriptor cd = (CategoryDescriptor)item; %>
-              <util:xlink>
-                <util:href type="servlet">find.js.vs?disp=<%= FindView.FD_COMMUNITIES %>&cat=<%= cd.getLinkedCategoryID() %></util:href>
-                <util:text><util:escape><%= cd.toString() %></util:escape></util:text>
-              </util:xlink>
+              <global:categories_enabled>
+                <% CategoryDescriptor cd = (CategoryDescriptor)item; %>
+                <util:xlink>
+                  <util:href type="servlet">
+                    find.js.vs?disp=<%= FindView.FD_COMMUNITIES %>&cat=<%= cd.getLinkedCategoryID() %>
+                  </util:href>
+                  <util:text><util:escape><%= cd.toString() %></util:escape></util:text>
+                </util:xlink>
+              </global:categories_enabled>
             <% } // end if %>
           </util:font></TD>
         <% } // end if %>