implemented conference hotlists and SIG list management from the Top page;

cleaned up remaining SQL statements using text columns instead of column
indexes with the ResultSet; fleshed out specifics in the TODO for
SIG administration

TODO

@@ -1,8 +1,11 @@
 Lots!
 
-- A bunch of the SIG-level functionality is not fully implemented.  We need
-  invites, some admin functions, and the "Manage" button on the "top
-  content" window to work.
+- Unimplemented functions on the SIG Administration page:
+  Set SIG Features (sigadmin, command=F)
+  Membership Control (sigadmin, command=M)
+  Delete SIG (sigadmin, command=DEL)
+
+- Implement SIG invitations ("Invite" button on the profile).
 
 - Should we provide the sysadmin the ability to disable SIG creation for
   non-admin users?  Maybe there needs to be a "global" set of levels that
@@ -13,8 +16,6 @@ Lots!
   before we go live.  (It plugs into the Administrative SIG features.)
 
 - Unimplemented functions on the Top page:
-  Manage SIG list (SIG sidebox)
-  Manage Conference Hotlist (Conference sidebox)
   Customize Sideboxes
 
 - The plan for the "main" part of the Top page is to let a sysadmin put
@@ -25,21 +26,8 @@ Lots!
 - Implement quick e-mail from the user profile display (engine support and
   UI).
 
-- More SELECT queries that specify discrete columns need to start using
-  numeric indexes to retrieve the column data, instead of names.  This will
-  make the retrieval process more efficient, and make for shorter SQL
-  statements in the case of joined queries (no need to SELECT table.column
-  AS name).
-
 - Slippage during posting is still untested.
 
-- We need a "manage" button at conference list level so we can use that to
-  manage the ordering of conferences.  This operation should be accessible
-  only to users with "create" privilege on the SIG.
-
-- Conference hotlist is now partially implemented, but we need some more work
-  at engine level.
-
 - Not everybody likes purple.  Provide a way to change the default colors.
   Probably via entries in render-config.xml.  Of course, if we go to a
   different rendering system eventually, we won't need this.

etc/web.xml

@@ -72,11 +72,19 @@
   <servlet>
     <servlet-name>account</servlet-name>
     <description>
-      Displays the "accounts" page of the Venice application.
+      Account management operations - login, logout, create, verify email, enter profile.
     </description>
     <servlet-class>com.silverwrist.venice.servlets.Account</servlet-class>
   </servlet>
 
+  <servlet>
+    <servlet-name>settings</servlet-name>
+    <description>
+      User customization and settings operations.
+    </description>
+    <servlet-class>com.silverwrist.venice.servlets.Settings</servlet-class>
+  </servlet>
+
   <servlet>
     <servlet-name>userdisplay</servlet-name>
     <description>
@@ -200,6 +208,11 @@
     <url-pattern>/account</url-pattern>
   </servlet-mapping>
 
+  <servlet-mapping>
+    <servlet-name>settings</servlet-name>
+    <url-pattern>/settings</url-pattern>
+  </servlet-mapping>
+
   <servlet-mapping>
     <servlet-name>userdisplay</servlet-name>
     <url-pattern>/user/*</url-pattern>

setup/database.sql

@@ -306,7 +306,8 @@ CREATE TABLE confhotlist (
     sequence SMALLINT NOT NULL,
     sigid INT NOT NULL,
     confid INT NOT NULL,
-    PRIMARY KEY (uid, sequence)
+    PRIMARY KEY (uid, sigid, confid),
+    INDEX inorder (uid, sequence)
 );
 
 # The "bozo filter" list for a conference, for use by users in filtering out
@@ -1368,7 +1369,7 @@ INSERT INTO confs (confid, createdate, read_lvl, post_lvl, create_lvl, hide_lvl,
                    delete_lvl, top_topic, name, descr)
     VALUES (1, '2000-12-01 00:00:00', 63000, 63000, 63000, 63000, 64999, 64999, 65500, 0,
             'Administrative Notes', 'Used to store notes and discussions between the site administrators.');
-INSERT INTO sigtoconf (sigid, confid, sequence) VALUES (1, 1, 100);
+INSERT INTO sigtoconf (sigid, confid, sequence) VALUES (1, 1, 10);
 INSERT INTO confalias (confid, alias) VALUES (1, 'Admin_Notes');
 
 # Make the Administrator the host-of-record of the "Administrative Notes" conference.
@@ -1405,7 +1406,7 @@ INSERT INTO confs (confid, createdate, read_lvl, post_lvl, create_lvl, hide_lvl,
                    delete_lvl, top_topic, name, descr)
     VALUES (2, '2000-12-01 00:00:00', 6500, 6500, 6500, 52500, 52500, 52500, 58000, 0, 'General Discussion',
             'Your place for general discussion about the system and general topics.');
-INSERT INTO sigtoconf (sigid, confid, sequence) VALUES (2, 2, 100);
+INSERT INTO sigtoconf (sigid, confid, sequence) VALUES (2, 2, 10);
 INSERT INTO confalias (confid, alias) VALUES (2, 'General');
 
 # Make the Administrator the host-of-record of the "General Discussion" conference.
@@ -1417,7 +1418,7 @@ INSERT INTO confs (confid, createdate, read_lvl, post_lvl, create_lvl, hide_lvl,
                    delete_lvl, top_topic, name, descr)
     VALUES (3, '2000-12-01 00:00:00', 6500, 6500, 6500, 52500, 52500, 52500, 58000, 0, 'Test Postings',
             'Use this conference to test the conferencing system.');
-INSERT INTO sigtoconf (sigid, confid, sequence) VALUES (2, 3, 200);
+INSERT INTO sigtoconf (sigid, confid, sequence) VALUES (2, 3, 20);
 INSERT INTO confalias (confid, alias) VALUES (3, 'Test');
 
 # Make the Administrator the host-of-record of the "Test Postings" conference.

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

@@ -149,4 +149,8 @@ public interface ConferenceContext
 
   public abstract SIGContext getEnclosingSIG();
 
+  public abstract void removeFromHotlist() throws DataException;
+
+  public abstract void setHotlistSequence(int seq) throws DataException;
+
 } // end interface ConferenceContext

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

@@ -151,4 +151,6 @@ public interface SIGContext extends SearchMode
 
   public abstract List getMemberList() throws DataException;
 
+  public abstract boolean canManageConferences();
+
 } // end interface SIGContext

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

@@ -7,7 +7,7 @@
  * 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 Community System.
+ * 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
@@ -520,7 +520,7 @@ class CategoryDescriptorImpl implements CategoryDescriptor, Cloneable
     { // get a database connection
       conn = datapool.getConnection();
       Statement stmt = conn.createStatement();
-      StringBuffer sql = new StringBuffer("SELECT COUNT(*) AS total FROM refcategory WHERE name ");
+      StringBuffer sql = new StringBuffer("SELECT COUNT(*) FROM refcategory WHERE name ");
 
       switch (mode)
       { // compose SQL in different ways depending on the search term
@@ -556,7 +556,7 @@ class CategoryDescriptorImpl implements CategoryDescriptor, Cloneable
       if (!(rs.next()))
 	throw new InternalStateError("getSearchCategoryCount search failure (MUST have 1 row!)");
 
-      return rs.getInt("total");
+      return rs.getInt(1);
 
     } // end try
     catch (SQLException e)

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

@@ -1288,7 +1288,7 @@ class ConferenceCoreData implements ConferenceData
 	rs = stmt.executeQuery(sql.toString());
 	if (!(rs.next()))
 	  throw new InternalStateError("bogus query in createConference - must return at least 1 row!");
-	new_sequence = (short)(rs.getShort(1) + 100);
+	new_sequence = (short)(rs.getShort(1) + 10);
 
 	// insert the record into the conferences table!
 	sql.setLength(0);

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

@@ -572,9 +572,23 @@ class ConferenceSIGContextImpl implements ConferenceSIGContext
 
   public void setHideList(SIGBackend sig, boolean flag) throws DataException
   {
+    if (logger.isDebugEnabled())
+      logger.debug("setHideList(conf #" + confid + ", " + flag + ")");
+
     if (deleted)
+    { // aiyaiyai - we're deleted
+      logger.error("conference deleted, can't change a thing");
       throw new DataException("This conference has been deleted.");
 
+    } // end if
+
+    if (flag==hide_list)
+    { // this is a no-op
+      logger.warn("setHideList for this conference is a no-op");
+      return;
+
+    } // end if
+
     Connection conn = null;  // database connection
     AuditRecord ar = null;   // audit record
       
@@ -585,8 +599,10 @@ class ConferenceSIGContextImpl implements ConferenceSIGContext
       // create the SQL statement
       Statement stmt = conn.createStatement();
       StringBuffer sql = new StringBuffer("UPDATE sigtoconf SET hide_list = ");
-      sql.append(hide_list ? '1' : '0').append(" WHERE sigid = ").append(this.sig.realSIGID());
+      sql.append(flag ? '1' : '0').append(" WHERE sigid = ").append(this.sig.realSIGID());
       sql.append(" AND confid = ").append(confid).append(';');
+      if (logger.isDebugEnabled())
+	logger.debug("SQL: " + sql.toString());
 
       // execute the update
       stmt.executeUpdate(sql.toString());

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

@@ -7,7 +7,7 @@
  * 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 Community System.
+ * 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
@@ -1359,6 +1359,70 @@ class ConferenceUserContextImpl implements ConferenceContext, ConferenceBackend
 
   } // end getEnclosingSIG
 
+  public void removeFromHotlist() throws DataException
+  {
+    Connection conn = null;
+
+    try
+    { // retrieve a connection from the datapool
+      conn = datapool.getConnection();
+      Statement stmt = conn.createStatement();
+
+      // create the DELETE statement and just execute it blind (if this conference is not in the hotlist,
+      // the DELETE is a no-op).
+      StringBuffer sql = new StringBuffer("DELETE FROM confhotlist WHERE uid = ");
+      sql.append(sig.realUID()).append(" AND sigid = ").append(sig.realSIGID()).append(" AND confid = ");
+      sql.append(confid).append(';');
+      stmt.executeUpdate(sql.toString());
+
+    } // end try
+    catch (SQLException e)
+    { // this becomes a DataException
+      logger.error("DB error removing from hotlist: " + e.getMessage(),e);
+      throw new DataException("error removing from hotlist: " + e.getMessage(),e);
+
+    } // end catch
+    finally
+    { // make sure we release the connection before we go
+      if (conn!=null)
+	datapool.releaseConnection(conn);
+
+    } // end finally
+
+  } // end removeFromHotlist
+
+  public void setHotlistSequence(int seq) throws DataException
+  {
+    Connection conn = null;
+
+    try
+    { // retrieve a connection from the datapool
+      conn = datapool.getConnection();
+      Statement stmt = conn.createStatement();
+
+      // create the UPDATE statement and just execute it blind (if this conference is not in the hotlist,
+      // the UPDATE is a no-op).
+      StringBuffer sql = new StringBuffer("UPDATE confhotlist SET sequence = ");
+      sql.append(seq).append(" WHERE uid = ").append(sig.realUID()).append(" AND sigid = ");
+      sql.append(sig.realSIGID()).append(" AND confid = ").append(confid).append(';');
+      stmt.executeUpdate(sql.toString());
+
+    } // end try
+    catch (SQLException e)
+    { // this becomes a DataException
+      logger.error("DB error setting hotlist sequence: " + e.getMessage(),e);
+      throw new DataException("error setting hotlist sequence: " + e.getMessage(),e);
+
+    } // end catch
+    finally
+    { // make sure we release the connection before we go
+      if (conn!=null)
+	datapool.releaseConnection(conn);
+
+    } // end finally
+
+  } // end setHotlistSequence
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface UserBackend
    *--------------------------------------------------------------------------------

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

@@ -651,9 +651,9 @@ class ContactInfoImpl implements ContactInfo, Stashable
 	
 	// now read back the contact ID we just added
 	int new_contactid;
-	ResultSet rs = stmt.executeQuery("SELECT LAST_INSERT_ID() AS blort;");
+	ResultSet rs = stmt.executeQuery("SELECT LAST_INSERT_ID();");
 	if (rs.next())
-	  new_contactid = rs.getInt("blort");
+	  new_contactid = rs.getInt(1);
 	else
 	  throw new DataException("unable to read back new contact ID");
 

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

@@ -7,7 +7,7 @@
  * 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 Community System.
+ * 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
@@ -1280,7 +1280,7 @@ class SIGCoreData implements SIGData, SIGDataBackend
     { // get a database connection and create the appropriate SELECT statement
       conn = datapool.getConnection();
       Statement stmt = conn.createStatement();
-      StringBuffer sql = new StringBuffer("SELECT COUNT(*) AS total FROM sigmember WHERE sigid = ");
+      StringBuffer sql = new StringBuffer("SELECT COUNT(*) FROM sigmember WHERE sigid = ");
       sql.append(sigid);
       if (!include_hidden)
 	sql.append(" AND hidden = 0");
@@ -1291,7 +1291,7 @@ class SIGCoreData implements SIGData, SIGDataBackend
       if (!(rs.next()))
 	throw new InternalStateError("getMemberCount query failure - must have ONE row!");
 
-      return rs.getInt("total");
+      return rs.getInt(1);
 
     } // end try
     catch (SQLException e)
@@ -1709,9 +1709,9 @@ class SIGCoreData implements SIGData, SIGDataBackend
 	stmt.executeUpdate(sql.toString()); // here we go!
 
 	// Get the SIGID of the new SIG!
-	rs = stmt.executeQuery("SELECT LAST_INSERT_ID() AS blort;");
+	rs = stmt.executeQuery("SELECT LAST_INSERT_ID();");
 	if (rs.next())
-	  new_sigid = rs.getInt("blort");
+	  new_sigid = rs.getInt(1);
 	else
 	{ // we should have gotten a SIGID back!
 	  logger.error("readback of new SIGID failed!");

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

@@ -7,7 +7,7 @@
  * 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 Community System.
+ * 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
@@ -1124,6 +1124,20 @@ class SIGUserContextImpl implements SIGContext, SIGBackend
 
   } // end getMemberList
 
+  public boolean canManageConferences()
+  {
+    SIGData sd = getSIGDataNE();
+    if (sd==null)
+      return false;
+    if (!(sd.checkMembership(level,is_member)))
+      return false;
+    if (sd.isFeaturePresent("CONF"))
+      return sd.canCreateSIGSubObjects(level);
+    else
+      return false;
+
+  } // end canManageConferences
+
   /*--------------------------------------------------------------------------------
    * Implementations from interface UserBackend
    *--------------------------------------------------------------------------------
@@ -1241,20 +1255,18 @@ class SIGUserContextImpl implements SIGContext, SIGBackend
     { // get a database connection
       conn = datapool.getConnection();
       Statement stmt = conn.createStatement();
-      StringBuffer sql = new StringBuffer("SELECT sm.sigid AS sigid, sm.granted_lvl AS level, "
-					  + "sm.locked AS locked, s.signame AS name, s.alias AS alias "
+      StringBuffer sql = new StringBuffer("SELECT sm.sigid, sm.granted_lvl, sm.locked, s.signame, s.alias "
 					  + "FROM sigmember sm, sigs s WHERE sm.sigid = s.sigid "
 					  + "AND sm.uid = ");
       sql.append(user.realUID()).append(" ORDER BY s.signame;");
       ResultSet rs = stmt.executeQuery(sql.toString());
       while (rs.next())
       { // create the user contexts and add them to the return vector
-	int the_sigid = rs.getInt("sigid");
+	int the_sigid = rs.getInt(1);
 	if (logger.isDebugEnabled())
 	  logger.debug("...found SIG #" + String.valueOf(the_sigid));
-	SIGContext tmp = new SIGUserContextImpl(engine,user,datapool,the_sigid,rs.getInt("level"),
-						rs.getBoolean("locked"),rs.getString("name"),
-						rs.getString("alias"));
+	SIGContext tmp = new SIGUserContextImpl(engine,user,datapool,the_sigid,rs.getInt(2),rs.getBoolean(3),
+						rs.getString(4),rs.getString(5));
 	rc.add(tmp);
 
       } // end while
@@ -1457,7 +1469,7 @@ class SIGUserContextImpl implements SIGContext, SIGBackend
     { // get a database connection
       conn = datapool.getConnection();
       Statement stmt = conn.createStatement();
-      StringBuffer sql = new StringBuffer("SELECT COUNT(*) AS total FROM sigs WHERE ");
+      StringBuffer sql = new StringBuffer("SELECT COUNT(*) FROM sigs WHERE ");
 
       switch (field)
       {
@@ -1506,7 +1518,7 @@ class SIGUserContextImpl implements SIGContext, SIGBackend
       if (!(rs.next()))
 	throw new InternalStateError("getSearchSIGCount search failure (MUST have 1 row!)");
 
-      return rs.getInt("total");
+      return rs.getInt(1);
 
     } // end try
     catch (SQLException e)
@@ -1590,7 +1602,7 @@ class SIGUserContextImpl implements SIGContext, SIGBackend
     { // get a database connection
       conn = datapool.getConnection();
       Statement stmt = conn.createStatement();
-      StringBuffer sql = new StringBuffer("SELECT COUNT(*) AS total FROM sigs WHERE catid = ");
+      StringBuffer sql = new StringBuffer("SELECT COUNT(*) FROM sigs WHERE catid = ");
       sql.append(catid);
       if (Capability.hideHiddenDirectorySIGs(user.realBaseLevel()))
 	sql.append(" AND hide_dir = 0");
@@ -1605,7 +1617,7 @@ class SIGUserContextImpl implements SIGContext, SIGBackend
       if (!(rs.next()))
 	throw new InternalStateError("getNumSIGsInCategory search failure (MUST have 1 row!)");
 
-      return rs.getInt("total");
+      return rs.getInt(1);
 
     } // end try
     catch (SQLException e)

src/com/silverwrist/venice/servlets/Account.java

@@ -7,7 +7,7 @@
  * 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 Community System.
+ * 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

src/com/silverwrist/venice/servlets/ConfOperations.java

@@ -100,6 +100,33 @@ public class ConfOperations extends VeniceServlet
       
   } // end validateNewTopic
 
+  private static boolean getFlag(ServletRequest request, String param, String on_error) throws ErrorBox
+  {
+    String foo = request.getParameter(param);
+    if (foo==null)
+      throw new ErrorBox(null,"Parameter not specified!",on_error);
+
+    int value;
+    try
+    { // try to get a numeric value
+      value = Integer.parseInt(foo);
+
+    } // end try
+    catch (NumberFormatException nfe)
+    { // unable to decode value
+      throw new ErrorBox(null,"Invalid parameter value!",on_error);
+
+    } // end catch
+
+    if (value==0)
+      return false;
+    else if (value==1)
+      return true;
+    else
+      throw new ErrorBox(null,"Invalid parameter value!",on_error);
+
+  } // end getFlag
+
   /*--------------------------------------------------------------------------------
    * Overrides from class HttpServlet
    *--------------------------------------------------------------------------------
@@ -118,6 +145,26 @@ public class ConfOperations extends VeniceServlet
    *--------------------------------------------------------------------------------
    */
 
+  /*
+   * ConfOperations commands:
+   * A = Manage Conference Aliases (requires conference parameter)
+   * C = Create conference
+   * DEL = Delete conference (requires conference parameter)
+   * E = Edit Conference Settings (requires conference parameter)
+   * FX = Fixseen (requires conference parameter)
+   * H = Add Conference to Hotlist (requires conference parameter)
+   * M = Manage Conference Membership (requires conference parameter)
+   * Q = Display Conference Manage menu (requires conference parameter)
+   * RP = Report on Posters (requires conference parameter)
+   * RR = Report on Readers (requires conference parameter)
+   * S = Manage conference ordering/sequence
+   * SDEL = Delete conference from sequence manager menu
+   * SH = Hide/show conference from sequence manager menu
+   * SS = Change conference sequence from sequence manager menu
+   * T = Create topic (requires conference parameter)
+   * Other = Display list of conferences in SIG
+   */
+
   protected VeniceContent doVeniceGet(HttpServletRequest request, VeniceEngine engine,
 				      UserContext user, RenderData rdat)
       throws ServletException, IOException, VeniceServletResult
@@ -130,6 +177,167 @@ public class ConfOperations extends VeniceServlet
     // get the command we want to use
     String cmd = getStandardCommandParam(request);
 
+    if (cmd.equals("S"))
+    { // "S" = Manage conferences sequence
+      if (!(sig.canManageConferences()))
+	return new ErrorBox("Access Error","You are not permitted to manage conferences in this SIG.",
+			    on_error);
+
+      try
+      { // display the Conference Sequence screen
+	setMyLocation(request,"confops?cmd=S&sig=" + sig.getSIGID());
+	return new ConferenceSequence(sig);
+
+      } // end try
+      catch (DataException de)
+      { // oops - database error here
+	return new ErrorBox("Database Error","Database error getting conference list: " + de.getMessage(),
+			    on_error);
+
+      } // end catch
+      catch (AccessError ae)
+      { // some sort of access error - display an error dialog
+	return new ErrorBox("Access Error",ae.getMessage(),on_error);
+
+      } // end catch
+
+    } // end if ("S" command)
+
+    if (cmd.equals("SH"))
+    { // "SH" = Hide/show conference (requires conference parameter)
+      if (!(sig.canManageConferences()))
+	return new ErrorBox("Access Error","You are not permitted to manage conferences in this SIG.",
+			    on_error);
+
+      ConferenceContext conf = getConferenceParameter(request,sig,true,on_error);
+      on_error = "confops?sig=" + sig.getSIGID() + "&cmd=S";
+
+      if (!(conf.canChangeConference()))
+	return new ErrorBox("Access Error","You do not have permission to modify this conference.",on_error);
+
+      boolean new_flag = getFlag(request,"flag",on_error);
+
+      try
+      { // go set the hide flag
+	conf.setHideList(new_flag);
+
+      } // end try
+      catch (DataException de)
+      { // database error - display appropriate dialog
+	return new ErrorBox("Database Error","Database error setting hide flag: " + de.getMessage(),
+			    on_error);
+
+      } // end catch
+      catch (AccessError ae)
+      { // some sort of access error - display an error dialog
+	return new ErrorBox("Access Error",ae.getMessage(),on_error);
+
+      } // end catch
+
+      throw new RedirectResult(on_error);  // trap back to the main display
+
+    } // end if ("SH" command)
+
+    if (cmd.equals("SS"))
+    { // "SS" = Change conference sequence (requires conference parameter)
+      if (!(sig.canManageConferences()))
+	return new ErrorBox("Access Error","You are not permitted to manage conferences in this SIG.",
+			    on_error);
+
+      ConferenceContext conf = getConferenceParameter(request,sig,true,on_error);
+      on_error = "confops?sig=" + sig.getSIGID() + "&cmd=S";
+
+      // we need a second conference parameter to exchange with
+      ConferenceContext other_conf = getConferenceParameter(request.getParameter("oc"),sig,true,on_error);
+
+      if (!(conf.canChangeConference()) || !(other_conf.canChangeConference()))
+	return new ErrorBox("Access Error","You do not have permission to modify this conference.",on_error);
+
+      try
+      { // get the two sequences
+	short this_seq = conf.getSequence();
+	short other_seq = other_conf.getSequence();
+
+	// now exchange them
+	conf.setSequence(other_seq);
+	boolean restore = true;
+	try
+	{ // set the second conference sequence
+	  other_conf.setSequence(this_seq);
+	  restore = false;
+
+	} // end try
+	finally
+	{ // undo first set on error
+	  if (restore)
+	    conf.setSequence(this_seq);
+
+	} // end finally
+
+      } // end try
+      catch (DataException de)
+      { // database error - display appropriate dialog
+	return new ErrorBox("Database Error","Database error changing sequence: " + de.getMessage(),
+			    on_error);
+
+      } // end catch
+      catch (AccessError ae)
+      { // some sort of access error - display an error dialog
+	return new ErrorBox("Access Error",ae.getMessage(),on_error);
+
+      } // end catch
+
+      throw new RedirectResult(on_error);  // trap back to the main display
+
+    } // end if ("SS" command)
+
+    if (cmd.equals("SDEL"))
+    { // "SDEL" = Delete conference (requires conference parameter)
+      if (!(sig.canManageConferences()))
+	return new ErrorBox("Access Error","You are not permitted to manage conferences in this SIG.",
+			    on_error);
+
+      ConferenceContext conf = getConferenceParameter(request,sig,true,on_error);
+      on_error = "confops?sig=" + sig.getSIGID() + "&cmd=S";
+
+      if (!(conf.canDeleteConference()))
+	return new ErrorBox("Access Error","You do not have permission to delete this conference.",on_error);
+
+      if (ConfirmBox.isConfirmed(request,DELETE_CONFIRM_ATTR,DELETE_CONFIRM_PARAM))
+      { // we are confirmed - delete the conference!
+	try
+	{ // tell it to go away
+	  conf.delete();
+
+	} // end try
+	catch (DataException de)
+	{ // something wrong in the database
+	  return new ErrorBox("Database Error","Database error deleting conference: " + de.getMessage(),
+			      on_error);
+
+	} // end catch
+	catch (AccessError ae)
+	{ // some lack of access is causing problems
+	  return new ErrorBox("Access Error",ae.getMessage(),on_error);
+
+	} // end catch
+
+	// that's it - trap back to the main display
+	throw new RedirectResult(on_error);
+
+      } // end if
+      else
+      { // generate a confirmation box and wait for confirmation
+	String message = "You are about to permanently delete the \"" + conf.getName() + "\" conference!  "
+	               + "Are you sure you want to do this?";
+	return new ConfirmBox(request,DELETE_CONFIRM_ATTR,DELETE_CONFIRM_PARAM,"Delete Conference",message,
+			      "confops?sig=" + sig.getSIGID() + "&conf=" + conf.getConfID() + "&cmd=SDEL",
+			      on_error);
+
+      } // end else
+
+    } // end if ("SDEL" command)
+
     if (cmd.equals("C"))
     { // "C" = "Create conference"
       if (!(sig.canCreateConference()))

src/com/silverwrist/venice/servlets/Settings.java

@@ -0,0 +1,267 @@
+/*
+ * 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) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.servlets;
+
+import java.io.*;
+import java.util.*;
+import javax.servlet.*;
+import javax.servlet.http.*;
+import org.apache.log4j.*;
+import com.silverwrist.venice.core.*;
+import com.silverwrist.venice.servlets.format.*;
+
+public class Settings extends VeniceServlet
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  private static final String UNJOIN_CONFIRM_ATTR = "servlets.Settings.unjoin.confirm";
+  private static final String UNJOIN_CONFIRM_PARAM = "confirm";
+
+  private static Category logger = Category.getInstance(Settings.class.getName());
+
+  /*--------------------------------------------------------------------------------
+   * Internal functions
+   *--------------------------------------------------------------------------------
+   */
+
+  private static int findHotlistIndex(List hotlist, ServletRequest request) throws ErrorBox
+  {
+    String foo = request.getParameter("sig");
+    if (foo==null)
+      throw new ErrorBox(null,"Parameter not specified!","settings?cmd=H");
+    int sigid;
+    try
+    { // this is the SIG id of the hotlist entry
+      sigid = Integer.parseInt(foo);
+
+    } // end try
+    catch (NumberFormatException nfe)
+    { // conversion error...
+      throw new ErrorBox(null,"Parameter invalid!","settings?cmd=H");
+
+    } // end catch
+
+    foo = request.getParameter("conf");
+    if (foo==null)
+      throw new ErrorBox(null,"Parameter not specified!","settings?cmd=H");
+    int confid;
+    try
+    { // this is the conference id of the hotlist entry
+      confid = Integer.parseInt(foo);
+
+    } // end try
+    catch (NumberFormatException nfe)
+    { // conversion error...
+      throw new ErrorBox(null,"Parameter invalid!","settings?cmd=H");
+
+    } // end catch
+
+    for (int i=0; i<hotlist.size(); i++)
+    { // look at the hotlist entries to find the right index
+      ConferenceHotlistEntry hle = (ConferenceHotlistEntry)(hotlist.get(i));
+      if (   (hle.getConference().getConfID()==confid)
+	  && (hle.getConference().getEnclosingSIG().getSIGID()==sigid))
+	return i;
+
+    } // end for
+
+    throw new ErrorBox(null,"Hotlist entry not found!","settings?cmd=H");
+
+  } // end findHotlistIndex
+
+  /*--------------------------------------------------------------------------------
+   * Overrides from class HttpServlet
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getServletInfo()
+  {
+    String rc = "Settings servlet - Handles per-user customization and settings information\n"
+              + "Part of the Venice Web Communities System\n";
+    return rc;
+
+  } // end getServletInfo
+
+  /*--------------------------------------------------------------------------------
+   * Overrides from class VeniceServlet
+   *--------------------------------------------------------------------------------
+   */
+
+  protected VeniceContent doVeniceGet(HttpServletRequest request, VeniceEngine engine,
+				      UserContext user, RenderData rdat)
+      throws ServletException, IOException, VeniceServletResult
+  {
+    String cmd = getStandardCommandParam(request);
+
+    if (cmd.equals("H"))
+    { // "H" - Manage Conference Hotlist
+      try
+      { // return the hotlist viewer
+	setMyLocation(request,"settings?cmd=H");
+	return new Hotlist(user);
+
+      } // end try
+      catch (DataException de)
+      { // oops...can't get it!
+	return new ErrorBox("Database Error","Error getting hotlist: " + de.getMessage(),"top");
+
+      } // end catch
+
+    } // end if ("H" command)
+
+    if (cmd.equals("HU") || cmd.equals("HD") || cmd.equals("HX"))
+    { // one of the commands for modifying the user hotlist
+      try
+      { // start by getting the hotlist and localizing the entry we want to modify
+	List hotlist = user.getConferenceHotlist();
+	int ndx = findHotlistIndex(hotlist,request);
+	ConferenceHotlistEntry hle = (ConferenceHotlistEntry)(hotlist.get(ndx));
+	ConferenceContext conf = hle.getConference();
+
+	if (cmd.equals("HX"))
+	  conf.removeFromHotlist();  // pretty straightforward
+	else
+	{ // moving up or down - find the entry to switch places with
+	  int other_ndx;
+	  if (cmd.equals("HU"))
+	  { // moving up!
+	    if (ndx==0)
+	      return null;  // can't move up from here
+	    other_ndx = ndx - 1;
+
+	  } // end if
+	  else
+	  { // moving down
+	    other_ndx = ndx + 1;
+	    if (other_ndx==hotlist.size())
+	      return null;  // can't move down from here
+
+	  } // end else
+
+	  // find the sequence numbers and the other conference object
+	  int my_seq = hle.getSequence();
+	  hle = (ConferenceHotlistEntry)(hotlist.get(other_ndx));
+	  ConferenceContext other_conf = hle.getConference();
+	  int other_seq = hle.getSequence();
+
+	  // now reset the sequences
+	  conf.setHotlistSequence(other_seq);
+	  boolean restore = true;
+	  try
+	  { // reset the other conference sequence, too
+	    other_conf.setHotlistSequence(my_seq);
+	    restore = false;
+
+	  } // end try
+	  finally
+	  { // restore the original conference sequence on error
+	    if (restore)
+	      conf.setHotlistSequence(my_seq);
+
+	  } // end finally
+
+	} // end else (moving up or down)
+
+      } // end try
+      catch (DataException de)
+      { // there's a data exception somewhere
+	return new ErrorBox("Database Error","Error adjusting hotlist: " + de.getMessage(),"settings?cmd=H");
+
+      } // end catch
+
+      try
+      { // return the hotlist viewer
+	setMyLocation(request,"settings?cmd=H");
+	return new Hotlist(user);
+
+      } // end try
+      catch (DataException de)
+      { // oops...can't get it!
+	return new ErrorBox("Database Error","Error getting hotlist: " + de.getMessage(),"top");
+
+      } // end catch
+
+    } // end if (one of the "H" subcommands)
+
+    if (cmd.equals("S"))
+    { // "S" - display the user's SIG list 
+      try
+      { // return the SIG list viewer
+	setMyLocation(request,"settings?cmd=S");
+	return new UserSIGList(user);
+
+      } // end try
+      catch (DataException de)
+      { // oops...can't get it!
+	return new ErrorBox("Database Error","Error getting SIGs list: " + de.getMessage(),"top");
+
+      } // end catch
+     
+    } // end if ("S" command)
+
+    if (cmd.equals("SX"))
+    { // "SX" - unjoin the specified SIG
+      SIGContext sig = getSIGParameter(request,user,true,"settings?cmd=S");
+
+      if (!(sig.canUnjoin()))
+	return new ErrorBox("SIG Error","You cannot unjoin this SIG.","settings?cmd=S");
+      
+      // OK, let's test for a confirmation...
+      if (ConfirmBox.isConfirmed(request,UNJOIN_CONFIRM_ATTR,UNJOIN_CONFIRM_PARAM))
+      { // OK, if you say so, let's unjoin!
+	try
+	{ // do the unjoin now...
+	  sig.unjoin();
+
+	} // end try
+	catch (AccessError ae)
+	{ // access error
+	  return new ErrorBox("Access Error","Unable to unjoin SIG: " + ae.getMessage(),"settings?cmd=S");
+
+	} // end catch
+	catch (DataException de)
+	{ // data exception doing something
+	  return new ErrorBox("Database Error","Database error unjoining SIG: " + de.getMessage(),
+			      "settings?cmd=S");
+
+	} // end catch
+
+	// after which, redirect back to the top
+	throw new RedirectResult("settings?cmd=S");
+
+      } // end if
+      else
+      { // not a proper confirmation - display the confirm box
+	String message = "Are you sure you want to unjoin the '" + sig.getName() + "' SIG?";
+	return new ConfirmBox(request,UNJOIN_CONFIRM_ATTR,UNJOIN_CONFIRM_PARAM,"Unjoining SIG",
+			      message,"settings?cmd=SX&sig=" + sig.getSIGID(),"settings?cmd=S");
+
+      } // end else
+
+    } // end if ("SX" command)
+
+    // command not found!
+    logger.error("invalid command to Settings.doGet: " + cmd);
+    return new ErrorBox("Internal Error","Invalid command to Settings.doGet","top");
+
+  } // end doVeniceGet
+
+} // end class Settings

src/com/silverwrist/venice/servlets/VeniceServlet.java

@@ -99,56 +99,6 @@ public abstract class VeniceServlet extends HttpServlet
 
   } // end getSIGParameter
 
-  private static ConferenceContext getConferenceParameter(String str, SIGContext sig, boolean required,
-							  String on_error) throws ErrorBox
-  {
-    if (StringUtil.isStringEmpty(str))
-    { // there's no conference parameter
-      if (required)
-      { // no conference parameter - bail out now!
-	logger.error("Conference parameter not specified!");
-	throw new ErrorBox(null,"No conference specified.",on_error);
-
-      } // end if
-      else
-      { // a null ConferenceContext is permitted
-	if (logger.isDebugEnabled())
-	  logger.debug("no conference specified");
-	return null;
-
-      } // end else
-
-    } // end if
-
-    ConferenceContext rc = null;
-    try
-    { // turn the string into a ConfID, and thence to a ConferenceContext
-      rc = sig.getConferenceContext(Integer.parseInt(str));
-      if (logger.isDebugEnabled())
-	logger.debug("found conf #" + rc.getConfID());
-
-    } // end try
-    catch (NumberFormatException nfe)
-    { // error in Integer.parseInt
-      logger.error("Cannot convert conference parameter '" + str + "'!");
-      throw new ErrorBox(null,"Invalid conference parameter.",on_error);
-
-    } // end catch
-    catch (AccessError ae)
-    { // these all get handled in pretty much the same way
-      throw new ErrorBox("Access Error",ae.getMessage(),on_error);
-
-    } // end catch
-    catch (DataException de)
-    { // error looking up the conference
-      throw new ErrorBox("Database Error","Database error finding conference: " + de.getMessage(),on_error);
-
-    } // end catch
-
-    return rc;
-
-  } // end getConferenceParameter
-
   private static TopicContext getTopicParameter(String str, ConferenceContext conf, boolean required,
 						String on_error) throws ErrorBox
   {
@@ -397,6 +347,56 @@ public abstract class VeniceServlet extends HttpServlet
 
   } // end getSIGParameter
 
+  protected static ConferenceContext getConferenceParameter(String str, SIGContext sig, boolean required,
+							    String on_error) throws ErrorBox
+  {
+    if (StringUtil.isStringEmpty(str))
+    { // there's no conference parameter
+      if (required)
+      { // no conference parameter - bail out now!
+	logger.error("Conference parameter not specified!");
+	throw new ErrorBox(null,"No conference specified.",on_error);
+
+      } // end if
+      else
+      { // a null ConferenceContext is permitted
+	if (logger.isDebugEnabled())
+	  logger.debug("no conference specified");
+	return null;
+
+      } // end else
+
+    } // end if
+
+    ConferenceContext rc = null;
+    try
+    { // turn the string into a ConfID, and thence to a ConferenceContext
+      rc = sig.getConferenceContext(Integer.parseInt(str));
+      if (logger.isDebugEnabled())
+	logger.debug("found conf #" + rc.getConfID());
+
+    } // end try
+    catch (NumberFormatException nfe)
+    { // error in Integer.parseInt
+      logger.error("Cannot convert conference parameter '" + str + "'!");
+      throw new ErrorBox(null,"Invalid conference parameter.",on_error);
+
+    } // end catch
+    catch (AccessError ae)
+    { // these all get handled in pretty much the same way
+      throw new ErrorBox("Access Error",ae.getMessage(),on_error);
+
+    } // end catch
+    catch (DataException de)
+    { // error looking up the conference
+      throw new ErrorBox("Database Error","Database error finding conference: " + de.getMessage(),on_error);
+
+    } // end catch
+
+    return rc;
+
+  } // end getConferenceParameter
+
   protected final static ConferenceContext getConferenceParameter(ServletRequest request, SIGContext sig,
 								  boolean required, String on_error)
       throws ErrorBox

src/com/silverwrist/venice/servlets/format/ConferenceListing.java

@@ -159,4 +159,10 @@ public class ConferenceListing implements JSPRender
 
   } // end canCreateConference
 
+  public boolean canManageConferences()
+  {
+    return sig.canManageConferences();
+
+  } // end canManageConferences
+
 } // end class ConferenceListing

src/com/silverwrist/venice/servlets/format/ConferenceSequence.java

@@ -0,0 +1,170 @@
+/*
+ * 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) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.servlets.format;
+
+import java.util.*;
+import javax.servlet.*;
+import javax.servlet.http.*;
+import com.silverwrist.venice.core.*;
+
+public class ConferenceSequence implements JSPRender
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  // Attribute name for request attribute
+  protected static final String ATTR_NAME = "com.silverwrist.venice.content.Hotlist";
+
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private SIGContext sig;
+  private List conf_list;
+  private Hashtable hidden_stat = new Hashtable();
+  private Hashtable next_id = new Hashtable();
+  private Hashtable prev_id = new Hashtable();
+
+  /*--------------------------------------------------------------------------------
+   * Constructor
+   *--------------------------------------------------------------------------------
+   */
+
+  public ConferenceSequence(SIGContext sig) throws DataException, AccessError
+  {
+    this.sig = sig;
+    this.conf_list = sig.getConferences();
+
+    Integer last_id = null;
+    for (int i=0; i<conf_list.size(); i++)
+    { // build up the "next_id" and "prev_id" mappings
+      ConferenceContext conf = (ConferenceContext)(conf_list.get(i));
+      Integer this_id = new Integer(conf.getConfID());
+
+      // save conference "hidden" status
+      hidden_stat.put(this_id,new Boolean(conf.getHideList()));
+
+      if (last_id!=null)
+      { // establish the "next" and "prev" IDs for the conferences
+	next_id.put(last_id,this_id);
+	prev_id.put(this_id,last_id);
+
+      } // end if
+
+      last_id = this_id;
+
+    } // end for
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * External static functions
+   *--------------------------------------------------------------------------------
+   */
+
+  public static ConferenceSequence retrieve(ServletRequest request)
+  {
+    return (ConferenceSequence)(request.getAttribute(ATTR_NAME));
+
+  } // end retrieve
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface VeniceContent
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getPageTitle(RenderData rdat)
+  {
+    return "Manage Conference List";
+
+  } // end getPageTitle
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface JSPRender
+   *--------------------------------------------------------------------------------
+   */
+
+  public void store(ServletRequest request)
+  {
+    request.setAttribute(ATTR_NAME,this);
+
+  } // end store
+
+  public String getTargetJSPName()
+  {
+    return "conf_sequence.jsp";
+
+  } // end getTargetJSPName
+
+  /*--------------------------------------------------------------------------------
+   * External operations
+   *--------------------------------------------------------------------------------
+   */
+
+  public int getSIGID()
+  {
+    return sig.getSIGID();
+
+  } // end getSIGID
+
+  public int getNumConferences()
+  {
+    return conf_list.size();
+
+  } // end getNumConferences
+
+  public ConferenceContext getConference(int ndx)
+  {
+    return (ConferenceContext)(conf_list.get(ndx));
+
+  } // end getConference
+
+  public boolean isConferenceHidden(ConferenceContext conf)
+  {
+    Boolean value = (Boolean)(hidden_stat.get(new Integer(conf.getConfID())));
+    if (value==null)
+      return false;
+    else
+      return value.booleanValue();
+
+  } // end isConferenceHidden
+
+  public int getNextConfID(ConferenceContext conf)
+  {
+    Integer value = (Integer)(next_id.get(new Integer(conf.getConfID())));
+    if (value==null)
+      return 0;
+    else
+      return value.intValue();
+
+  } // end getNextConfID
+
+  public int getPrevConfID(ConferenceContext conf)
+  {
+    Integer value = (Integer)(prev_id.get(new Integer(conf.getConfID())));
+    if (value==null)
+      return 0;
+    else
+      return value.intValue();
+
+  } // end getPrevConfID
+
+} // end class ConferenceSequence

src/com/silverwrist/venice/servlets/format/Hotlist.java

@@ -0,0 +1,112 @@
+/*
+ * 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) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.servlets.format;
+
+import java.util.*;
+import javax.servlet.*;
+import javax.servlet.http.*;
+import com.silverwrist.venice.core.*;
+
+public class Hotlist implements JSPRender
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  // Attribute name for request attribute
+  protected static final String ATTR_NAME = "com.silverwrist.venice.content.Hotlist";
+
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private UserContext uc;
+  private List hotlist;
+
+  /*--------------------------------------------------------------------------------
+   * Constructor
+   *--------------------------------------------------------------------------------
+   */
+
+  public Hotlist(UserContext uc) throws DataException
+  {
+    this.uc = uc;
+    this.hotlist = uc.getConferenceHotlist();
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * External static functions
+   *--------------------------------------------------------------------------------
+   */
+
+  public static Hotlist retrieve(ServletRequest request)
+  {
+    return (Hotlist)(request.getAttribute(ATTR_NAME));
+
+  } // end retrieve
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface VeniceContent
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getPageTitle(RenderData rdat)
+  {
+    return "Your Conference Hotlist";
+
+  } // end getPageTitle
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface JSPRender
+   *--------------------------------------------------------------------------------
+   */
+
+  public void store(ServletRequest request)
+  {
+    request.setAttribute(ATTR_NAME,this);
+
+  } // end store
+
+  public String getTargetJSPName()
+  {
+    return "hotlist.jsp";
+
+  } // end getTargetJSPName
+
+  /*--------------------------------------------------------------------------------
+   * External operations
+   *--------------------------------------------------------------------------------
+   */
+
+  public int getHotlistSize()
+  {
+    return hotlist.size();
+
+  } // end getHotlistSize
+
+  public ConferenceContext getConference(int ndx)
+  {
+    ConferenceHotlistEntry tmp = (ConferenceHotlistEntry)(hotlist.get(ndx));
+    return tmp.getConference();
+
+  } // end getConference
+
+} // end class Hotlist

src/com/silverwrist/venice/servlets/format/SideBoxConferences.java

@@ -94,9 +94,12 @@ public class SideBoxConferences implements ContentRender
     else
       out.write(rdat.getStdFontTag(null,2) + "<EM>You have no conferences in your hotlist.</EM></FONT>\n");
 
-    // write the link at the end
-    out.write("<P>" + rdat.getStdFontTag(null,1) + "<B>[ <A HREF=\"" + rdat.getEncodedServletPath("TODO")
-	      + "\">Manage</A> ]</B></FONT>");
+    if (uc.isLoggedIn())
+    { // write the link at the end
+      out.write("<P>" + rdat.getStdFontTag(null,1) + "<B>[ <A HREF=\""
+	        + rdat.getEncodedServletPath("settings?cmd=H") + "\">Manage</A> ]</B></FONT>");
+
+    } // end if
 
   } // end renderHere
 

src/com/silverwrist/venice/servlets/format/SideBoxSIGs.java

@@ -92,10 +92,12 @@ public class SideBoxSIGs implements ContentRender
     else
       out.write(rdat.getStdFontTag(null,2) + "<EM>You are not a member of any SIGs.</EM></FONT>\n");
 
-    // write the two links at the end
-    out.write("<P>" + rdat.getStdFontTag(null,1) + "<B>[ <A HREF=\"" + rdat.getEncodedServletPath("TODO")
-	      + "\">Manage</A> | <A HREF=\"" + rdat.getEncodedServletPath("sigops?cmd=C")
-	      + "\">Create New</A> ]</B></FONT>");
+    if (uc.isLoggedIn())
+    { // write the two links at the end
+      out.write("<P>" + rdat.getStdFontTag(null,1) + "<B>[ <A HREF=\""
+		+ rdat.getEncodedServletPath("settings?cmd=S") + "\">Manage</A> | <A HREF=\""
+                + rdat.getEncodedServletPath("sigops?cmd=C") + "\">Create New</A> ]</B></FONT>");
+    } // end if
 
   } // end renderHere
 

src/com/silverwrist/venice/servlets/format/UserSIGList.java

@@ -0,0 +1,111 @@
+/*
+ * 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) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ */
+package com.silverwrist.venice.servlets.format;
+
+import java.util.*;
+import javax.servlet.*;
+import javax.servlet.http.*;
+import com.silverwrist.venice.core.*;
+
+public class UserSIGList implements JSPRender
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  // Attribute name for request attribute
+  protected static final String ATTR_NAME = "com.silverwrist.venice.content.Hotlist";
+
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private UserContext uc;
+  private List sig_list;
+
+  /*--------------------------------------------------------------------------------
+   * Constructor
+   *--------------------------------------------------------------------------------
+   */
+
+  public UserSIGList(UserContext uc) throws DataException
+  {
+    this.uc = uc;
+    this.sig_list = uc.getMemberSIGs();
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * External static functions
+   *--------------------------------------------------------------------------------
+   */
+
+  public static UserSIGList retrieve(ServletRequest request)
+  {
+    return (UserSIGList)(request.getAttribute(ATTR_NAME));
+
+  } // end retrieve
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface VeniceContent
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getPageTitle(RenderData rdat)
+  {
+    return "Your SIGs";
+
+  } // end getPageTitle
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface JSPRender
+   *--------------------------------------------------------------------------------
+   */
+
+  public void store(ServletRequest request)
+  {
+    request.setAttribute(ATTR_NAME,this);
+
+  } // end store
+
+  public String getTargetJSPName()
+  {
+    return "siglist.jsp";
+
+  } // end getTargetJSPName
+
+  /*--------------------------------------------------------------------------------
+   * External operations
+   *--------------------------------------------------------------------------------
+   */
+
+  public int getNumSIGs()
+  {
+    return sig_list.size();
+
+  } // end getNumSIGs
+
+  public SIGContext getSIG(int ndx)
+  {
+    return (SIGContext)(sig_list.get(ndx));
+
+  } // end getSIG
+
+} // end class UserSIGList

web/format/conf_sequence.jsp

@@ -0,0 +1,140 @@
+<%--
+  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) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+
+  Contributor(s): 
+--%>
+<%@ page import = "java.util.*" %>
+<%@ page import = "com.silverwrist.util.StringUtil" %>
+<%@ page import = "com.silverwrist.venice.core.*" %>
+<%@ page import = "com.silverwrist.venice.servlets.Variables" %>
+<%@ page import = "com.silverwrist.venice.servlets.format.*" %>
+<%
+  ConferenceSequence data = ConferenceSequence.retrieve(request);
+  Variables.failIfNull(data);
+  RenderData rdat = RenderConfig.createRenderData(application,request,response);
+%>
+<% if (rdat.useHTMLComments()) { %><!-- Manage conference list for SIG #<%= data.getSIGID() %> --><% } %>
+<% rdat.writeContentHeader(out,"Manage Conference List",null); %>
+<%= rdat.getStdFontTag(null,2) %>
+  <A HREF="<%= rdat.getEncodedServletPath("confops?sig=" + data.getSIGID()) %>">Return to Conference List</A>
+</FONT><P>
+<% if (data.getNumConferences()>0) { %>
+  <TABLE BORDER=0 ALIGN=CENTER CELLPADDING=0 CELLSPACING=2>
+    <% for (int i=0; i<data.getNumConferences(); i++) { %>
+      <%
+        ConferenceContext conf = data.getConference(i);
+        String partial = "confops?sig=" + data.getSIGID() + "&conf=" + conf.getConfID();
+        String tail, image, alt;
+      %>
+      <TR VALIGN=TOP>
+        <TD ALIGN=CENTER WIDTH=16>
+          <%
+            if (data.isConferenceHidden(conf))
+            { // conference is hidden - this command will show it
+              tail = "&cmd=SH&flag=0";
+              image = "icn_off.gif";
+              alt = "Hidden (toggle)";
+
+            } // end if
+            else
+            { // conference is non-hidden - this command will hide it
+              tail = "&cmd=SH&flag=1";
+              image = "icn_on.gif";
+              alt = "Displayed (toggle)";
+
+            } // end else
+          %>
+          <A HREF="<%= rdat.getEncodedServletPath(partial + tail) %>"><IMG
+             SRC="<%= rdat.getFullImagePath(image) %>" ALT="<%= alt %>" WIDTH=16 HEIGHT=16 BORDER=0></A>
+        </TD>
+        <TD ALIGN=CENTER WIDTH=16>
+          <% if (i==(data.getNumConferences()-1)) { %>&nbsp;<% } else { %>
+            <% tail = "&cmd=SS&oc=" + data.getNextConfID(conf); %>
+            <A HREF="<%= rdat.getEncodedServletPath(partial + tail) %>"><IMG
+             SRC="<%= rdat.getFullImagePath("icn_down.gif") %> ALT="Move Down" BORDER=0 WIDTH=16
+             HEIGHT=16></A>
+          <% } // end if %>
+        </TD>
+        <TD ALIGN=CENTER WIDTH=16>
+          <% if (i==0) { %>&nbsp;<% } else { %>
+            <% tail = "&cmd=SS&oc=" + data.getPrevConfID(conf); %>
+            <A HREF="<%= rdat.getEncodedServletPath(partial + tail) %>"><IMG
+             SRC="<%= rdat.getFullImagePath("icn_up.gif") %> ALT="Move Up" BORDER=0 WIDTH=16
+             HEIGHT=16></A>
+          <% } // end if %>
+        </TD>
+        <TD ALIGN=CENTER WIDTH=16>
+          <A HREF="<%= rdat.getEncodedServletPath(partial + "&cmd=SDEL") %>"><IMG
+           SRC="<%= rdat.getFullImagePath("icn_x.gif") %> ALT="Remove" BORDER=0 WIDTH=16
+           HEIGHT=16></A>
+        </TD>
+        <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+          <%= StringUtil.encodeHTML(conf.getName()) %>
+	</FONT></TD>
+      </TR>
+    <% } // end for %>
+  </TABLE><P>
+
+  <TABLE BORDER=0 CELLPADDING=2 CELLSPACING=0>
+    <TR VALIGN=TOP>
+      <TD ALIGN=CENTER WIDTH=16>
+        <IMG SRC="<%= rdat.getFullImagePath("icn_on.gif") %> ALT="Displayed (toggle)" BORDER=0 WIDTH=16
+	     HEIGHT=16>
+      </TD>
+      <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+        This indicates that the conference is displayed in the SIG's conference list.  Click the symbol
+	to hide it.
+      </FONT></TD>
+    </TR>
+    <TR VALIGN=TOP>
+      <TD ALIGN=CENTER WIDTH=16>
+        <IMG SRC="<%= rdat.getFullImagePath("icn_off.gif") %> ALT="Hidden (toggle)" BORDER=0 WIDTH=16
+	     HEIGHT=16>
+      </TD>
+      <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+        This indicates that the conference is hidden in the SIG's conference list.  Click the symbol
+	to display it.
+      </FONT></TD>
+    </TR>
+    <TR VALIGN=TOP>
+      <TD ALIGN=CENTER WIDTH=16>
+        <IMG SRC="<%= rdat.getFullImagePath("icn_down.gif") %> ALT="Move Down" BORDER=0 WIDTH=16 HEIGHT=16>
+      </TD>
+      <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+        Click this symbol to move the specified conference down in the SIG's conference list.
+      </FONT></TD>
+    </TR>
+    <TR VALIGN=TOP>
+      <TD ALIGN=CENTER WIDTH=16>
+        <IMG SRC="<%= rdat.getFullImagePath("icn_up.gif") %> ALT="Move Up" BORDER=0 WIDTH=16 HEIGHT=16>
+      </TD>
+      <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+        Click this symbol to move the specified conference up in the SIG's conference list.
+      </FONT></TD>
+    </TR>
+    <TR VALIGN=TOP>
+      <TD ALIGN=CENTER WIDTH=16>
+        <IMG SRC="<%= rdat.getFullImagePath("icn_x.gif") %> ALT="Remove" BORDER=0 WIDTH=16 HEIGHT=16>
+      </TD>
+      <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+        Click this symbol to delete the specified conference.  You will be prompted to confirm this
+	action.
+      </FONT></TD>
+    </TR>
+  </TABLE>
+<% } else { %>
+  <%= rdat.getStdFontTag(null,2) %><EM>There are no conferences in this SIG.</EM></FONT>
+<% } // end if %>
+<% rdat.writeFooter(out); %>

web/format/conferences.jsp

@@ -55,11 +55,17 @@
 <% } else { %>
   <EM>No conferences found in this SIG.</EM><BR>
 <% } // end if (conferences present) %>
-<% if (data.canCreateConference()) { %>
 <P>
 <DIV ALIGN="LEFT">
-    <A HREF="<%= rdat.getEncodedServletPath("confops?cmd=C&sig=" + data.getSIGID()) %>"><IMG
-     SRC="<%= rdat.getFullImagePath("bn_create_new.gif") %>" ALT="Create New" WIDTH=80 HEIGHT=24 BORDER=0></A>
-  </DIV>
+  <% if (data.canManageConferences()) { %>
+    <A HREF="<%= rdat.getEncodedServletPath("confops?cmd=S&sig=" + data.getSIGID()) %>"><IMG
+     SRC="<%= rdat.getFullImagePath("bn_manage.gif") %>" ALT="Manage" WIDTH=80 HEIGHT=24
+     BORDER=0></A>&nbsp;
   <% } // end if %>
+  <% if (data.canCreateConference()) { %>
+    <A HREF="<%= rdat.getEncodedServletPath("confops?cmd=C&sig=" + data.getSIGID()) %>"><IMG
+     SRC="<%= rdat.getFullImagePath("bn_create_new.gif") %>" ALT="Create New" WIDTH=80 HEIGHT=24
+     BORDER=0></A>&nbsp;
+  <% } // end if %>
+</DIV>
 <% rdat.writeFooter(out); %>

web/format/hotlist.jsp

@@ -0,0 +1,99 @@
+<%--
+  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) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+
+  Contributor(s): 
+--%>
+<%@ page import = "java.util.*" %>
+<%@ page import = "com.silverwrist.util.StringUtil" %>
+<%@ page import = "com.silverwrist.venice.core.*" %>
+<%@ page import = "com.silverwrist.venice.servlets.Variables" %>
+<%@ page import = "com.silverwrist.venice.servlets.format.*" %>
+<%
+  Hotlist data = Hotlist.retrieve(request);
+  Variables.failIfNull(data);
+  RenderData rdat = RenderConfig.createRenderData(application,request,response);
+%>
+<% if (rdat.useHTMLComments()) { %><!-- User conference hotlist --><% } %>
+<% rdat.writeContentHeader(out,"Your Conference Hotlist",null); %>
+<%= rdat.getStdFontTag(null,2) %>
+  <A HREF="<%= rdat.getEncodedServletPath("top") %>">Return to Front Page</A>
+</FONT><P>
+<% if (data.getHotlistSize()>0) { %>
+  <TABLE BORDER=0 ALIGN=CENTER CELLPADDING=0 CELLSPACING=2>
+    <% for (int i=0; i<data.getHotlistSize(); i++) { %>
+      <%
+        ConferenceContext conf = data.getConference(i);
+        String partial = "settings?sig=" + conf.getEnclosingSIG().getSIGID() + "&conf=" + conf.getConfID();
+      %>
+      <TR VALIGN=TOP>
+        <TD ALIGN=CENTER WIDTH=16>
+          <% if (i==(data.getHotlistSize()-1)) { %>&nbsp;<% } else { %>
+            <A HREF="<%= rdat.getEncodedServletPath(partial + "&cmd=HD") %>"><IMG
+             SRC="<%= rdat.getFullImagePath("icn_down.gif") %> ALT="Move Down" BORDER=0 WIDTH=16
+             HEIGHT=16></A>
+          <% } // end if %>
+        </TD>
+        <TD ALIGN=CENTER WIDTH=16>
+          <% if (i==0) { %>&nbsp;<% } else { %>
+            <A HREF="<%= rdat.getEncodedServletPath(partial + "&cmd=HU") %>"><IMG
+             SRC="<%= rdat.getFullImagePath("icn_up.gif") %> ALT="Move Up" BORDER=0 WIDTH=16
+             HEIGHT=16></A>
+          <% } // end if %>
+        </TD>
+        <TD ALIGN=CENTER WIDTH=16>
+          <A HREF="<%= rdat.getEncodedServletPath(partial + "&cmd=HX") %>"><IMG
+           SRC="<%= rdat.getFullImagePath("icn_x.gif") %> ALT="Remove" BORDER=0 WIDTH=16
+           HEIGHT=16></A>
+        </TD>
+        <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+          <%= StringUtil.encodeHTML(conf.getName()) %>
+          (<%= StringUtil.encodeHTML(conf.getEnclosingSIG().getName()) %>)
+        </FONT></TD>
+      </TR>
+    <% } // end for %>
+  </TABLE><P>
+  <TABLE BORDER=0 CELLPADDING=2 CELLSPACING=0>
+    <TR VALIGN=TOP>
+      <TD ALIGN=CENTER WIDTH=16>
+        <IMG SRC="<%= rdat.getFullImagePath("icn_down.gif") %> ALT="Move Down" BORDER=0 WIDTH=16 HEIGHT=16>
+      </TD>
+      <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+        Click this symbol to move the specified conference down in your hotlist.
+      </FONT></TD>
+    </TR>
+    <TR VALIGN=TOP>
+      <TD ALIGN=CENTER WIDTH=16>
+        <IMG SRC="<%= rdat.getFullImagePath("icn_up.gif") %> ALT="Move Up" BORDER=0 WIDTH=16 HEIGHT=16>
+      </TD>
+      <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+        Click this symbol to move the specified conference up in your hotlist.
+      </FONT></TD>
+    </TR>
+    <TR VALIGN=TOP>
+      <TD ALIGN=CENTER WIDTH=16>
+        <IMG SRC="<%= rdat.getFullImagePath("icn_x.gif") %> ALT="Remove" BORDER=0 WIDTH=16 HEIGHT=16>
+      </TD>
+      <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+        Click this symbol to remove the specified conference from your hotlist.
+      </FONT></TD>
+    </TR>
+  </TABLE>
+<% } else { %>
+  <%= rdat.getStdFontTag(null,2) %><EM>
+    You have no conferences in your conference hotlist.  You can add conferences to your hotlist
+    by visiting the conferences and pressing the "Add to Hotlist" button.
+  </EM></FONT>
+<% } // end if %>
+<% rdat.writeFooter(out); %>

web/format/siglist.jsp

@@ -0,0 +1,65 @@
+<%--
+  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) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+
+  Contributor(s): 
+--%>
+<%@ page import = "java.util.*" %>
+<%@ page import = "com.silverwrist.util.StringUtil" %>
+<%@ page import = "com.silverwrist.venice.core.*" %>
+<%@ page import = "com.silverwrist.venice.servlets.Variables" %>
+<%@ page import = "com.silverwrist.venice.servlets.format.*" %>
+<%
+  UserSIGList data = UserSIGList.retrieve(request);
+  Variables.failIfNull(data);
+  RenderData rdat = RenderConfig.createRenderData(application,request,response);
+%>
+<% if (rdat.useHTMLComments()) { %><!-- User conference hotlist --><% } %>
+<% rdat.writeContentHeader(out,"Your SIGs",null); %>
+<%= rdat.getStdFontTag(null,2) %>
+  <A HREF="<%= rdat.getEncodedServletPath("top") %>">Return to Front Page</A>
+</FONT><P>
+<% if (data.getNumSIGs()>0) { %>
+  <TABLE BORDER=0 ALIGN=CENTER CELLPADDING=0 CELLSPACING=2>
+    <% for (int i=0; i<data.getNumSIGs(); i++) { %>
+      <% SIGContext sig = data.getSIG(i); %>
+      <TR>
+        <TD ALIGN=CENTER WIDTH=16>
+	  <% if (sig.canUnjoin()) { %>
+            <A HREF="<%= rdat.getEncodedServletPath("settings?cmd=SX&sig=" + sig.getSIGID()) %>"><IMG
+             SRC="<%= rdat.getFullImagePath("icn_x.gif") %> ALT="Unjoin" BORDER=0 WIDTH=16
+             HEIGHT=16></A>
+          <% } else { %>&nbsp;<% } %>
+        </TD>
+        <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+          <A HREF="<%= rdat.getEncodedServletPath("sig/" + sig.getAlias()) %>"><%= StringUtil.encodeHTML(sig.getName()) %></A>
+        </FONT></TD>
+      </TR>
+    <% } // end for %>
+  </TABLE><P>
+
+  <TABLE BORDER=0 CELLPADDING=2 CELLSPACING=0>
+    <TR VALIGN=TOP>
+      <TD ALIGN=CENTER WIDTH=16>
+        <IMG SRC="<%= rdat.getFullImagePath("icn_x.gif") %> ALT="Unjoin" BORDER=0 WIDTH=16 HEIGHT=16>
+      </TD>
+      <TD ALIGN=LEFT><%= rdat.getStdFontTag(null,2) %>
+        Click this symbol to unjoin the specified SIG.
+      </FONT></TD>
+    </TR>
+  </TABLE>
+<% } else { %>
+  <%= rdat.getStdFontTag(null,2) %><EM>You are not a member of any SIGs.</EM></FONT>
+<% } // end if %>
+<% rdat.writeFooter(out); %>