680b84b9d8
System Administration menu; also added "Post & Go Topics" as an option for the post box in conferencing
339 lines
9.8 KiB
Java
339 lines
9.8 KiB
Java
/*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
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*
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* Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
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* WARRANTY OF ANY KIND, either express or implied. See the License for the specific
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* language governing rights and limitations under the License.
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*
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* The Original Code is the Venice Web Communities System.
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*
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* The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
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* for Silverwrist Design Studios. Portions created by Eric J. Bowersox are
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* Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios. All Rights Reserved.
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*
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* Contributor(s):
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*/
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package com.silverwrist.venice.servlets.format;
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import java.io.*;
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import java.util.*;
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import javax.servlet.*;
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import javax.servlet.http.*;
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import com.silverwrist.util.StringUtil;
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import com.silverwrist.venice.ValidationException;
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import com.silverwrist.venice.security.Role;
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import com.silverwrist.venice.core.*;
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public class ConferenceMembership implements JSPRender, SearchMode
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{
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/*--------------------------------------------------------------------------------
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* Static data members
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*--------------------------------------------------------------------------------
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*/
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// Attribute name for request attribute
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protected static final String ATTR_NAME = "com.silverwrist.venice.content.ConferenceMembership";
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/*--------------------------------------------------------------------------------
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* Attributes
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*--------------------------------------------------------------------------------
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*/
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private VeniceEngine engine; // reference to the engine
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private SIGContext sig; // the SIG we're in
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private ConferenceContext conf; // the conference being listed
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private List display_list = null; // list of members to display
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private boolean conf_members = false; // is this a list of conference members?
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private int field = -1; // search field
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private int mode = -1; // search mode
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private String term = null; // search term
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private int offset = 0; // search result offset
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private int find_count = -1; // search results count
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private List role_choices; // the list of security roles
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/*--------------------------------------------------------------------------------
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* Constructors
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*--------------------------------------------------------------------------------
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*/
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public ConferenceMembership(VeniceEngine engine, SIGContext sig, ConferenceContext conf)
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{
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this.engine = engine;
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this.sig = sig;
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this.conf = conf;
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this.role_choices = Role.getConferenceMemberLevelChoices();
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} // end constructor
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/*--------------------------------------------------------------------------------
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* Internal functions
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*--------------------------------------------------------------------------------
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*/
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private static int getParamInt(ServletRequest request, String name, int default_val)
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{
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String str = request.getParameter(name);
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if (str==null)
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return -1;
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try
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{ // parse the integer value
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return Integer.parseInt(str);
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} // end try
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catch (NumberFormatException nfe)
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{ // in case of conversion error, return default
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return default_val;
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} // end catch
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} // end getParamInt
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private static boolean isImageButtonClicked(ServletRequest request, String name)
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{
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String val = request.getParameter(name + ".x");
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return (val!=null);
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} // end isImageButtonClicked
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/*--------------------------------------------------------------------------------
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* External static functions
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*--------------------------------------------------------------------------------
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*/
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public static ConferenceMembership retrieve(ServletRequest request)
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{
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return (ConferenceMembership)(request.getAttribute(ATTR_NAME));
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} // end retrieve
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/*--------------------------------------------------------------------------------
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* Implementations from interface VeniceContent
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*--------------------------------------------------------------------------------
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*/
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public String getPageTitle(RenderData rdat)
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{
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return "Membership in Conference " + conf.getName();
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} // end getPageTitle
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/*--------------------------------------------------------------------------------
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* Implementations from interface JSPRender
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*--------------------------------------------------------------------------------
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*/
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public void store(ServletRequest request)
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{
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request.setAttribute(ATTR_NAME,this);
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} // end store
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public String getTargetJSPName()
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{
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return "conf_member.jsp";
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} // end getTargetJSPName
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/*--------------------------------------------------------------------------------
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* External operations
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*--------------------------------------------------------------------------------
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*/
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public void doConferenceMemberList() throws DataException, AccessError
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{
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this.display_list = conf.getMemberList();
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this.conf_members = true;
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this.term = "";
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} // end doConferenceMemberList
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public void doSearch(ServletRequest request) throws ValidationException, DataException, AccessError
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{
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// Validate the search field parameter.
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field = getParamInt(request,"field",FIELD_USER_NAME);
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if ( (field!=FIELD_USER_NAME) && (field!=FIELD_USER_DESCRIPTION) && (field!=FIELD_USER_GIVEN_NAME)
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&& (field!=FIELD_USER_FAMILY_NAME))
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throw new ValidationException("The field search parameter is not valid.");
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// Validate the search mode parameter.
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mode = getParamInt(request,"mode",SEARCH_PREFIX);
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if ((mode!=SEARCH_PREFIX) && (mode!=SEARCH_SUBSTRING) && (mode!=SEARCH_REGEXP))
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throw new ValidationException("The search mode parameter is not valid.");
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// Retrieve the search term parameter.
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term = request.getParameter("term");
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if (term==null)
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term = "";
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// Retrieve the offset and find count parameters.
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offset = getParamInt(request,"ofs",0);
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find_count = getParamInt(request,"fcount",-1);
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// Adjust the search return offset based on the command button click.
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int count = getNumResultsDisplayed();
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if (isImageButtonClicked(request,"search"))
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offset = 0;
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else if (isImageButtonClicked(request,"previous"))
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{ // adjust the offset in the reverse direction
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offset -= count;
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if (offset<0)
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offset = 0;
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} // end else if
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else if (isImageButtonClicked(request,"next"))
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offset += count; // go forwards instead
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else
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throw new ValidationException("Unable to determine what action triggered the form.");
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// Perform the search!
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List intermediate = sig.searchForMembers(field,mode,term,offset,count);
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if (find_count<0)
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find_count = sig.getSearchMemberCount(field,mode,term);
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// Create the real display list by getting the conference security levels.
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Iterator it = intermediate.iterator();
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Vector rc = new Vector(count+1);
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while (it.hasNext())
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{ // loop around and find the member level of every one
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UserFound uf = (UserFound)(it.next());
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int new_level = conf.getMemberLevel(uf.getUID());
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if (new_level==-1)
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new_level = 0;
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rc.add(uf.createNewLevel(new_level));
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} // end while
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display_list = rc; // save display list for display
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} // end doSearch
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public int getSIGID()
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{
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return sig.getSIGID();
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} // end getSIGID
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public int getConfID()
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{
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return conf.getConfID();
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} // end getConfID
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public String getSIGName()
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{
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return sig.getName();
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} // end getSIGName
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public String getConfName()
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{
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return conf.getName();
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} // end getConfName
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public String getLocator()
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{
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return "sig=" + sig.getSIGID() + "&conf=" + conf.getConfID();
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} // end getLocator
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public boolean displayList()
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{
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if ((display_list==null) || (display_list.size()==0))
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return false;
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if (conf_members && (display_list.size()>engine.getMaxNumConferenceMembersDisplay()))
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return false;
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return true;
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} // end displayList
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public boolean conferenceMemberList()
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{
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return conf_members;
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} // end conferenceMemberList
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public int getSearchField()
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{
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return field;
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} // end getSearchField
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public int getSearchMode()
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{
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return mode;
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} // end getSearchMode
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public boolean searchFieldIs(int value)
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{
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return (field==value);
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} // end searchFieldIs
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public boolean searchModeIs(int value)
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{
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return (mode==value);
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} // end searchModeIs
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public String getSearchTerm()
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{
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return term;
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} // end getSearchTerm
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public int getFindCount()
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{
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return find_count;
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} // end getFindCount
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public int getOffset()
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{
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return offset;
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} // end getOffset
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public int getSize()
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{
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return display_list.size();
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} // end getSize
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public int getNumResultsDisplayed()
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{
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return engine.getStdNumSearchResults();
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} // end getNumResultsDisplayed
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public UserFound getItem(int ndx)
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{
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return (UserFound)(display_list.get(ndx));
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} // end getItem
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public void outputDropDown(Writer out, int uid, int cur_level) throws IOException
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{
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out.write("<INPUT TYPE=HIDDEN NAME=\"zxcur_" + uid + "\" VALUE=\"" + cur_level + "\">\n");
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out.write("<SELECT NAME=\"zxnew_" + uid + "\" SIZE=1>\n");
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Iterator it = role_choices.iterator();
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while (it.hasNext())
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{ // output the <OPTION> lines for the dropdown
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Role r = (Role)(it.next());
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out.write("<OPTION VALUE=\"" + r.getLevel() + "\"");
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if (r.getLevel()==cur_level)
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out.write(" SELECTED");
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out.write(">" + StringUtil.encodeHTML(r.getName()) + "</OPTION>\n");
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} // end while
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out.write("</SELECT>\n");
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} // end outputDropDown
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} // end class ConferenceMembership
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