added the Member List functionality to communities

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

@@ -213,6 +213,29 @@ public class CommunityOperations extends VeniceServlet
 
     } // end if ("I" command)
 
+    if (cmd.equals("M"))
+    { // "M" = List Members
+      CommunityContext comm = getCommunityParameter(request,user,true,"top");
+      if (logger.isDebugEnabled())
+	logger.debug("Member list for community: " + comm.getName());
+
+      try
+      { // return the view dialog
+	ViewCommunityMembers view = new ViewCommunityMembers(engine,comm);
+	view.doInitialList();
+	changeMenuCommunity(request,comm);
+	return view;
+
+      } // end try
+      catch (DataException de)
+      { // unable to get community members list
+	return new ErrorBox("Database Error","Database error getting community members list: "
+			                     + de.getMessage(),"top");
+
+      } // end catch
+
+    } // end if ("M" command)
+
     // this is an error!
     logger.error("invalid command to CommunityOperations.doGet: " + cmd);
     return new ErrorBox("Internal Error","Invalid command to CommunityOperations.doGet","top");
@@ -230,6 +253,7 @@ public class CommunityOperations extends VeniceServlet
     if (cmd.equals("J"))
     { // "J" = Join Community (requires community parameter)
       CommunityContext comm = getCommunityParameter(request,user,true,"top");
+      setMyLocation(request,"sigops?cmd=J&sig=" + comm.getCommunityID());
       JoinKeyDialog dlg = makeJoinKeyDialog();
 
       if (dlg.isButtonClicked(request,"cancel")) // cancel - go back to community opening page
@@ -336,6 +360,7 @@ public class CommunityOperations extends VeniceServlet
     if (cmd.equals("I"))
     { // "I" = Send invitation (requires community parameter)
       CommunityContext comm = getCommunityParameter(request,user,true,"top");
+      setMyLocation(request,"sigops?cmd=I&sig=" + comm.getCommunityID());
       String on_error = "sig/" + comm.getAlias();
 
       if (isImageButtonClicked(request,"cancel")) // cancel - go back to community opening page
@@ -376,6 +401,37 @@ public class CommunityOperations extends VeniceServlet
 
     } // end if ("I" command)
 
+    if (cmd.equals("M"))
+    { // "M" = Display Members List
+      CommunityContext comm = getCommunityParameter(request,user,true,"top");
+      setMyLocation(request,"sigops?cmd=M&sig=" + comm.getCommunityID());
+      String on_error = "sig/" + comm.getAlias();
+      if (logger.isDebugEnabled())
+	logger.debug("Member list for community: " + comm.getName());
+
+      try
+      { // generate the members list
+	ViewCommunityMembers view = new ViewCommunityMembers(engine,comm);
+	view.doSearch(request);
+	changeMenuCommunity(request,comm);
+	return view;
+
+      } // end try
+      catch (ValidationException ve)
+      { // validation error - throw it back to the user
+	return new ErrorBox(null,ve.getMessage() + " Please try again.",
+			    "sigops?cmd=M&sig=" + comm.getCommunityID());
+
+      } // end catch
+      catch (DataException de)
+      { // unable to get community members list
+	return new ErrorBox("Database Error","Database error getting community members list: "
+			                     + de.getMessage(),on_error);
+
+      } // end catch
+
+    } // end if ("M" command)
+
     // this is an error!
     logger.error("invalid command to CommunityOperations.doPost: " + cmd);
     return new ErrorBox("Internal Error","Invalid command to CommunityOperations.doPost","top");
@@ -383,3 +439,6 @@ public class CommunityOperations extends VeniceServlet
   } // end doVenicePost
 
 } // end class CommunityOperations
+
+
+

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

@@ -0,0 +1,63 @@
+/*
+ * 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 javax.servlet.*;
+import javax.servlet.http.*;
+import org.apache.log4j.*;
+import com.silverwrist.venice.servlets.format.RenderConfig;
+import com.silverwrist.venice.servlets.format.RenderData;
+
+public class MemberRedirect extends HttpServlet
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  private static Category logger = Category.getInstance(MemberRedirect.class);
+
+  /*--------------------------------------------------------------------------------
+   * Overrides from class HttpServlet
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getServletInfo()
+  {
+    String rc = "MemberRedirect servlet - Generates the member list for the community\n"
+              + "Part of the Venice Web Communities System\n";
+    return rc;
+
+  } // end getServletInfo
+
+  public void doGet(HttpServletRequest request, HttpServletResponse response)
+      throws ServletException, IOException
+  {
+    if (logger.isDebugEnabled())
+      logger.debug("Hit MemberRedirect");
+    ServletContext ctxt = getServletContext();
+    RenderData rdat = RenderConfig.createRenderData(ctxt,request,response);
+    String url = "sigops?cmd=M&sig=" + request.getParameter("sig");
+    if (logger.isDebugEnabled())
+      logger.debug("Bouncing to URL: " + url);
+    rdat.redirectTo(url);
+
+  } // end doGet
+
+} // end class MemberRedirect

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

@@ -34,6 +34,9 @@ public class TopicPosts implements JSPRender
 
   private static Category logger = Category.getInstance(TopicPosts.class);
 
+  private static int SCALING_NUM = 1;
+  private static int SCALING_DENOM = 2;
+
   // Attribute name for request attribute
   protected static final String ATTR_NAME = "com.silverwrist.venice.content.TopicPosts";
 
@@ -98,6 +101,9 @@ public class TopicPosts implements JSPRender
     HashSet saw_users = new HashSet();
     if (conf.displayPostPictures() && user.displayPostPictures())
     { // build up the mapping of UIDs to photo URLs
+      Dimension psz = engine.getUserPhotoSize();
+      photo_size = new Dimension((psz.width * SCALING_NUM) / SCALING_DENOM,
+				 (psz.height * SCALING_NUM) / SCALING_DENOM);
       photo_size = engine.getUserPhotoSize();
       uid_photos = new HashMap();
 

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

@@ -0,0 +1,332 @@
+/*
+ * 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.io.*;
+import java.util.*;
+import javax.servlet.*;
+import javax.servlet.http.*;
+import com.silverwrist.venice.ValidationException;
+import com.silverwrist.venice.core.*;
+
+public class ViewCommunityMembers implements JSPRender, SearchMode
+{
+  /*--------------------------------------------------------------------------------
+   * Static data members
+   *--------------------------------------------------------------------------------
+   */
+
+  // Attribute name for request attribute
+  protected static final String ATTR_NAME = "com.silverwrist.venice.content.ViewCommunityMembers";
+
+  /*--------------------------------------------------------------------------------
+   * Attributes
+   *--------------------------------------------------------------------------------
+   */
+
+  private VeniceEngine engine;            // engine context
+  private CommunityContext comm;          // community context
+  private List display_list = null;       // list of members to display
+  private boolean simple_list = false;    // simple list?
+  private int field = -1;                 // search field
+  private int mode = -1;                  // search mode
+  private String term = null;             // search term
+  private int offset = 0;                 // search result offset
+  private int find_count = -1;            // search results count
+
+  /*--------------------------------------------------------------------------------
+   * Constructor
+   *--------------------------------------------------------------------------------
+   */
+
+  public ViewCommunityMembers(VeniceEngine engine, CommunityContext comm)
+  {
+    this.engine = engine;
+    this.comm = comm;
+
+  } // end constructor
+
+  /*--------------------------------------------------------------------------------
+   * Internal functions
+   *--------------------------------------------------------------------------------
+   */
+
+  private static int getParamInt(ServletRequest request, String name, int default_val)
+  {
+    String str = request.getParameter(name);
+    if (str==null)
+      return -1;
+
+    try
+    { // parse the integer value
+      return Integer.parseInt(str);
+
+    } // end try
+    catch (NumberFormatException nfe)
+    { // in case of conversion error, return default
+      return default_val;
+
+    } // end catch
+
+  } // end getParamInt
+
+  private static boolean isImageButtonClicked(ServletRequest request, String name)
+  {
+    String val = request.getParameter(name + ".x");
+    return (val!=null);
+
+  } // end isImageButtonClicked
+
+  /*--------------------------------------------------------------------------------
+   * External static functions
+   *--------------------------------------------------------------------------------
+   */
+
+  public static ViewCommunityMembers retrieve(ServletRequest request)
+  {
+    return (ViewCommunityMembers)(request.getAttribute(ATTR_NAME));
+
+  } // end retrieve
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface VeniceContent
+   *--------------------------------------------------------------------------------
+   */
+
+  public String getPageTitle(RenderData rdat)
+  {
+    return "Members of Community " + comm.getName();
+
+  } // end getPageTitle
+
+  public String getPageQID()
+  {
+    return null;
+
+  } // end getPageQID
+
+  /*--------------------------------------------------------------------------------
+   * Implementations from interface JSPRender
+   *--------------------------------------------------------------------------------
+   */
+
+  public void store(ServletRequest request)
+  {
+    request.setAttribute(ATTR_NAME,this);
+
+  } // end store
+
+  public String getTargetJSPName()
+  {
+    return "view_member.jsp";
+
+  } // end getTargetJSPName
+
+  /*--------------------------------------------------------------------------------
+   * External operations
+   *--------------------------------------------------------------------------------
+   */
+
+  public void doInitialList() throws DataException
+  {
+    display_list = comm.getMemberList();
+    simple_list = true;
+    term = "";
+    offset = 0;
+    find_count = display_list.size();
+
+  } // end doInitialList
+
+  public void doSearch(ServletRequest request) throws ValidationException, DataException
+  {
+    // Get the "simple list" parameter.
+    int slp = getParamInt(request,"sl",1);
+    simple_list = (slp==1);
+
+    if (simple_list)
+    { // Retrieve the offset and find count parameters.
+      offset = getParamInt(request,"ofs",0);
+      find_count = getParamInt(request,"fcount",-1);
+
+      // Adjust the search return offset based on the command button click.
+      int count = getNumResultsDisplayed();
+      if (isImageButtonClicked(request,"search"))
+	throw new ValidationException("Invalid button click.");  // this can't happen
+      else if (isImageButtonClicked(request,"previous"))
+      { // adjust the offset in the reverse direction
+	offset -= count;
+	if (offset<0)
+	  offset = 0;
+
+      } // end else if
+      else if (isImageButtonClicked(request,"next"))
+	offset += count;  // go forwards instead
+      else
+	throw new ValidationException("Unable to determine what action triggered the form.");
+
+      // Get the member list and offset it if necessary.
+      List tmp = comm.getMemberList();
+      if (find_count<0)
+	find_count = tmp.size();
+      if (offset>0)
+	display_list = tmp.subList(offset,tmp.size());
+      else
+	display_list = tmp;
+
+      term = "";  // null out the search term
+
+    } // end if
+    else
+    { // Validate the search field parameter.
+      field = getParamInt(request,"field",FIELD_USER_NAME);
+      if (   (field!=FIELD_USER_NAME) && (field!=FIELD_USER_DESCRIPTION) && (field!=FIELD_USER_GIVEN_NAME)
+	  && (field!=FIELD_USER_FAMILY_NAME))
+	throw new ValidationException("The field search parameter is not valid.");
+
+      // Validate the search mode parameter.
+      mode = getParamInt(request,"mode",SEARCH_PREFIX);
+      if ((mode!=SEARCH_PREFIX) && (mode!=SEARCH_SUBSTRING) && (mode!=SEARCH_REGEXP))
+	throw new ValidationException("The search mode parameter is not valid.");
+
+      // Retrieve the search term parameter.
+      term = request.getParameter("term");
+      if (term==null)
+	term = "";
+
+      // Retrieve the offset and find count parameters.
+      offset = getParamInt(request,"ofs",0);
+      find_count = getParamInt(request,"fcount",-1);
+
+      // Adjust the search return offset based on the command button click.
+      int count = getNumResultsDisplayed();
+      if (isImageButtonClicked(request,"search"))
+	offset = 0;
+      else if (isImageButtonClicked(request,"previous"))
+      { // adjust the offset in the reverse direction
+	offset -= count;
+	if (offset<0)
+	  offset = 0;
+
+      } // end else if
+      else if (isImageButtonClicked(request,"next"))
+	offset += count;  // go forwards instead
+      else
+	throw new ValidationException("Unable to determine what action triggered the form.");
+
+      // Perform the search!
+      display_list = comm.searchForMembers(field,mode,term,offset,count);
+      if (find_count<0)
+	find_count = comm.getSearchMemberCount(field,mode,term);
+
+    } // end else
+
+  } // end doSearch
+
+  public int getNumResultsDisplayed()
+  {
+    return engine.getStdNumSearchResults();
+
+  } // end getNumResultsDisplayed
+
+  public String getCommunityName()
+  {
+    return comm.getName();
+
+  } // end getCommunityName
+
+  public int getCommunityID()
+  {
+    return comm.getCommunityID();
+
+  } // end getCommunityID
+
+  public boolean getSimpleList()
+  {
+    return simple_list;
+
+  } // end getSimpleList
+
+  public int getSimpleListParam()
+  {
+    return (simple_list ? 1 : 0);
+
+  } // end getSimpleListParam
+
+  public int getSearchField()
+  {
+    return field;
+
+  } // end getSearchField
+
+  public int getSearchMode()
+  {
+    return mode;
+
+  } // end getSearchMode
+
+  public boolean searchFieldIs(int value)
+  {
+    return (field==value);
+
+  } // end searchFieldIs
+
+  public boolean searchModeIs(int value)
+  {
+    return (mode==value);
+
+  } // end searchModeIs
+
+  public String getSearchTerm()
+  {
+    return term;
+
+  } // end getSearchTerm
+
+  public int getFindCount()
+  {
+    return find_count;
+
+  } // end getFindCount
+
+  public int getOffset()
+  {
+    return offset;
+
+  } // end getOffset
+
+  public int getSize()
+  {
+    return display_list.size();
+
+  } // end getSize
+
+  public boolean displayList()
+  {
+    if ((display_list==null) || (display_list.size()==0))
+      return false;
+    return true;
+
+  } // end displayList
+
+  public UserFound getItem(int ndx)
+  {
+    return (UserFound)(display_list.get(ndx));
+
+  } // end getItem
+
+} // end class ViewCommunityMembers