/*
* 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 .
*
* 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 ,
* for Silverwrist Design Studios. Portions created by Eric J. Bowersox are
* Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios. All Rights Reserved.
*
* Contributor(s):
*/
package com.silverwrist.venice.ui.conf.view;
import java.awt.Dimension;
import java.util.*;
import javax.servlet.*;
import org.apache.log4j.*;
import com.silverwrist.util.StringUtil;
import com.silverwrist.venice.core.*;
import com.silverwrist.venice.except.*;
import com.silverwrist.venice.ui.*;
import com.silverwrist.venice.ui.conf.*;
import com.silverwrist.venice.ui.helpers.HTMLRendering;
import com.silverwrist.venice.ui.servlet.RequestImpl;
public class PostsView implements ContentJSP
{
/*--------------------------------------------------------------------------------
* Static data members
*--------------------------------------------------------------------------------
*/
private static Category logger = Category.getInstance(PostsView.class);
/*--------------------------------------------------------------------------------
* Attributes
*--------------------------------------------------------------------------------
*/
private CommunityContext comm;
private ConferenceContext conf;
private TopicContext topic;
private String qid = null;
private int first = 0;
private int last;
private int unread;
private boolean show_advanced = false;
private boolean no_bozos = false;
private RequestInput rinput = null;
private HTMLRendering html = null;
private List messages = Collections.EMPTY_LIST;
private TopicVisitOrder tvo = null;
private String topic_stem = "";
private String top_custom = "";
private String bottom_custom = "";
private Dimension photo_dims = null;
private Map photo_map = null;
private Set bozo_uids = new HashSet();
private String title = "";
private String subtitle = "";
/*--------------------------------------------------------------------------------
* Constructor
*--------------------------------------------------------------------------------
*/
public PostsView(CommunityContext comm, CurrentConference currc)
{
this.comm = comm;
this.conf = currc.getConference();
this.topic = currc.getTopic();
this.last = this.topic.getTotalMessages() - 1;
this.unread = this.topic.getUnreadMessages();
} // end constructor
/*--------------------------------------------------------------------------------
* Implementations from interface Content
*--------------------------------------------------------------------------------
*/
public boolean needFrame()
{
return true;
} // end needFrame
public int getMenuSelector()
{
return MENU_SELECTOR_COMMUNITY;
} // end getMenuSelector
public String getPageTitle(RequestOutput ro)
{
return title + ": " + subtitle;
} // end getPageTitle
public String getPageQID()
{
return qid;
} // end getPageQID
/*--------------------------------------------------------------------------------
* Implementations from interface ContentJSP
*--------------------------------------------------------------------------------
*/
public String getJSPName()
{
return "conf/posts.jsp";
} // end getJSPName
public void initialize(RequestInput req)
{
rinput = req;
html = (HTMLRendering)(req.queryService(HTMLRendering.class));
} // end initialize
public void terminate(RequestInput req)
{
rinput = null;
html = null;
} // end terminate
/*--------------------------------------------------------------------------------
* External operations
*--------------------------------------------------------------------------------
*/
public final CommunityContext getCommunity()
{
return comm;
} // end getCommunity
public final ConferenceContext getConference()
{
return conf;
} // end getConference
public final TopicContext getTopic()
{
return topic;
} // end getTopic
public final void setPageQID(String v)
{
if (rinput==null)
qid = v;
} // end setPageQID
public final int getFirst()
{
return first;
} // end getFirst
public final void setFirst(int v)
{
if (rinput==null)
first = v;
} // end setFirst
public final int getLast()
{
return last;
} // end getLast
public final void setLast(int v)
{
if (rinput==null)
last = v;
} // end setLast
public final int getUnread()
{
return unread;
} // end getUnread
public final void setUnread(int v)
{
if (rinput==null)
unread = v;
} // end setUnread
public final boolean getShowAdvanced()
{
return show_advanced;
} // end getShowAdvanced
public final void setShowAdvanced(boolean v)
{
if (rinput==null)
show_advanced = v;
} // end setShowAdvanced
public final boolean getNoBozos()
{
return no_bozos;
} // end getNoBozos
public final void setNoBozos(boolean v)
{
if (rinput==null)
no_bozos = v;
} // end setNoBozos
public final List getMessages()
{
return messages;
} // end getMessages
public final void setMessages(List v)
{
if (rinput==null)
messages = v;
} // end setMessages
public final TopicVisitOrder getTopicVisitOrder()
{
return tvo;
} // end getTopicVisitOrder
public final void setTopicVisitOrder(TopicVisitOrder v)
{
if (rinput==null)
tvo = v;
} // end setTopicVisitOrder
public final String getTopicStem()
{
return topic_stem;
} // end getTopicStem
public final void setTopicStem(String v)
{
if (rinput==null)
topic_stem = v;
} // end setTopicStem
public final String getTopCustom()
{
return top_custom;
} // end getTopCustom
public final void setTopCustom(String v)
{
if (rinput==null)
top_custom = ((v==null) ? "" : v);
} // end setTopCustom
public final String getBottomCustom()
{
return bottom_custom;
} // end getBottomCustom
public final void setBottomCustom(String v)
{
if (rinput==null)
bottom_custom = ((v==null) ? "" : v);
} // end setBottomCustom
public final Dimension getPhotoDims()
{
return photo_dims;
} // end getPhotoDims
public final void setPhotoDims(Dimension v)
{
if (rinput==null)
photo_dims = v;
} // end setPhotoDims
public final Map getPhotoMap()
{
return photo_map;
} // end getPhotoMap
public final Set getBozoUIDs()
{
return bozo_uids;
} // end getBozoUIDs
public final String getTitle()
{
return title;
} // end getTitle
public final void setTitle(String v)
{
if (rinput==null)
title = ((v==null) ? "" : v);
} // end setTitle
public final String getSubtitle()
{
return subtitle;
} // end getSubtitle
public final void setSubtitle(String v)
{
if (rinput==null)
subtitle = ((v==null) ? "" : v);
} // end setSubtitle
public final void buildInternals(UserContext user) throws DataException
{
if (rinput!=null)
return;
if (photo_dims!=null)
photo_map = new HashMap();
HashSet saw_users = new HashSet();
Iterator it = messages.iterator();
boolean get_photo = true;
while (it.hasNext())
{ // get the user names of all users on the page
TopicMessageContext msg = (TopicMessageContext)(it.next());
Integer the_uid = new Integer(msg.getCreatorUID());
if (!(saw_users.contains(the_uid)))
{ // only check a UID once
saw_users.add(the_uid);
get_photo = true;
if (topic.isBozo(the_uid.intValue()))
{ // this user is filtered
bozo_uids.add(the_uid);
get_photo = no_bozos; // get photo if bozo filter overridden
} // end if
if (get_photo && (photo_dims!=null))
{ // store the user photo URL
String url = user.getProfile(the_uid.intValue()).getPhotoURL();
if (url!=null)
photo_map.put(the_uid,url);
} // end if
} // end if
// else ignore the uID
} // end while
} // end buildInternals
public final boolean canDoNextTopic()
{
if (tvo!=null)
return tvo.isNext();
else
return false;
} // end canDoNextTopic
public final short getNextTopic()
{
if (tvo!=null)
return tvo.getNext();
else
return -1;
} // else getNextTopic
public final int getPageSize()
{
return ((rinput==null) ? 0 : rinput.getEngine().getNumPostsPerPage());
} // end getPageSize
public final boolean bozoFilterUser(int uid)
{
if (no_bozos)
return false;
else
return bozo_uids.contains(new Integer(uid));
} // end bozoFilterUser
public final boolean showBozoFilteredIndicator(int uid)
{
if (no_bozos)
return bozo_uids.contains(new Integer(uid));
else
return false;
} // end showBozoFilteredIndicator
public final String getUserPhotoTag(RequestOutput ro, int uid)
{
if ((photo_dims==null) || (photo_map==null))
return ""; // user photos not enabled
HTMLRendering html = (HTMLRendering)(ro.queryService(HTMLRendering.class));
return html.getUserPhotoTag((String)(photo_map.get(new Integer(uid))),photo_dims);
} // end getUserPhotoTag
public final String formatDate(Date date)
{
return ((html==null) ? null : html.formatDate(date));
} // end formatDate
public final boolean showFilterButton(int uid)
{
return !(bozo_uids.contains(new Integer(uid))) && topic.canSetBozo(uid);
} // end showFilterButton
/*--------------------------------------------------------------------------------
* External static operations
*--------------------------------------------------------------------------------
*/
public static final PostsView get(ServletRequest sreq) throws ServletException
{
Object obj = sreq.getAttribute(RequestImpl.REQUEST_CONTENT);
if (obj==null)
throw new ServletException("PostsView.get: unable to get request content");
if (obj instanceof PostsView)
return (PostsView)obj;
throw new ServletException("PostsView.get: request content is not a PostsView object");
} // end get
public static final String getPosterName(TopicMessageContext msg)
{
try
{ // have to guard agains a DataException here
return msg.getCreatorName();
} // end try
catch (DataException de)
{ // just return "unknown" on failure
return "(unknown)";
} // end catch
} // end getPosterName
public static final String getMessageBodyText(TopicMessageContext msg)
{
try
{ // have to guard against a DataException here
return msg.getBodyText();
} // end try
catch (DataException de)
{ // just return an error message
return "(Unable to retrieve message data: " + StringUtil.encodeHTML(de.getMessage()) + ")";
} // end catch
} // end getMessageBodyText
public static final boolean displayAttachmentInNewWindow(TopicMessageContext msg)
{
if (!(msg.hasAttachment()))
return false;
String type = msg.getAttachmentType();
return (type.startsWith("text/") || type.startsWith("image/"));
} // end displayAttachmentInNewWindow
} // end class PostView