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)

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