threadmode2.jsp

来自「Jive是基于JSP/JAVA技术构架的一个大型BBS论坛系统,这是Jive论坛」· JSP 代码 · 共 794 行 · 第 1/3 页

<%
/**
 *	$RCSfile: threadMode2.jsp,v $
 *	$Revision: 1.14 $
 *	$Date: 2002/08/10 18:07:46 $
 */
%>
<%@ page import="java.net.*,
                 java.text.*,
                 java.util.*,
                 com.jivesoftware.util.*,
                 com.jivesoftware.forum.*,
                 com.jivesoftware.forum.util.*"
    errorPage="error.jsp"
%>

<%! // Global vars, methods, etc..

    // Formatter for file attachment sizes.
    static final DecimalFormat sizeFormatter = new DecimalFormat("#,##0.0");
%>

<%@ include file="global.jsp" %>

<%  // Put the request URI and query string in the session as an attribute.
    // This is done so the error.jsp and auth.jsp pages can figure out what
    // page sent it an error and redirect appropriately.
    setRedirectURL(request);
%>

<%  //
    // This page displays the messages in the thread in a "flat" view.
    //

    // Get parameters
    long forumID = ParamUtils.getLongParameter(request,"forum",-1L);
    long threadID = ParamUtils.getLongParameter(request,"thread",-1L);
    long messageID = ParamUtils.getLongParameter(request,"message",-1L);
    int start = ParamUtils.getIntParameter(request,"start",0);
    int range = getMessageRange(request,response,pageUser);
    String searchWords = ParamUtils.getParameter(request,"q");
    boolean unlock = ParamUtils.getBooleanParameter(request,"unlock");
    boolean unarchive = ParamUtils.getBooleanParameter(request,"unarchive");

    // "nav" indicates if we show the next/prev links
    boolean nav = false;
    // Only show nav if the thread starting point and thread range are passed in:
    int threadStart = ParamUtils.getIntParameter(request,"tstart",-1);
    int threadRange = ParamUtils.getIntParameter(request,"trange",-1);
    int nextStart = threadStart;
    int prevStart = threadStart;
    if (threadStart > -1 && threadRange > -1) {
        nav = true;
        // If the starting point is not zero, back it up one (because the last thread
        // is likely the one before it)
        if (threadStart > 0) {
            threadStart--;
        }
        // Always increment the range by one since we don't know
        // if the last thread on the thread list page was clicked:
        threadRange++;
        // Adjust the start of the next & prev links
        nextStart ++;
        prevStart --;
        if (prevStart < 0) {
            prevStart = 0;
        }
    }

    boolean hilite = (searchWords != null);

    // Unescape search words:
    if (searchWords != null) {
        searchWords = new String(StringUtils.decodeHex(searchWords));
    }

    // Load the forum
    Forum forum = forumFactory.getForum(forumID);
    // The requested thread object
    ForumThread thread = forum.getThread(threadID);

    // Indicates if the pageUser is a moderator of this forum:
    boolean isModerator = isModerator(forumFactory, forum);

    // unlock or unarchive the thread if requested by the moderator:
    if (unlock) {
        if (!isModerator) {
            throw new UnauthorizedException("You do not have permission to unlock this topic");
        }
        thread.deleteProperty("locked");
        response.sendRedirect("thread.jsp?forum="+forumID+"&thread="+threadID+"&tstart="+threadStart+"&trange="+threadRange);
        return;
    }
    if (unarchive) {
        if (!isModerator) {
            throw new UnauthorizedException("You do not have permission to unarchive this topic");
        }
        thread.deleteProperty("archived");
        response.sendRedirect("thread.jsp?forum="+forumID+"&thread="+threadID+"&tstart="+threadStart+"&trange="+threadRange);
        return;
    }

    // Compute number of topics, messages in this forum, number of pages
    int numMessages = thread.getMessageCount();
	int numReplies = numMessages-1; // subtract 1 because the root message is counted
    int numPages = (int)Math.ceil((double)numMessages/(double)range);

	// Variables for message iteration
	Iterator messages = null;

    // Determine if we need to adjust the start index of the thread iterator.
    // If we're passed a message ID, we need to show the thread page that
    // messageID is contained on.
    //
    // Note: If your forum has an *extremely* large number of messages in each
    // thread, you might want to comment out the following "if" block of code.
    // The following block can be a performance bottleneck if all messages
    // are not in cache or if the message cache is too small.
    // The result of commenting out this code is that incoming links to this
    // page that use a message ID, ie: thread.jsp?forum=X&thread=Y&message=Z
    // will always start on the first page of the thread, not the page where
    // message Z is.
    if (messageID != -1) {
        // Check if the message ID is the same as the root message of the
        // thread. If it is, set the start index to 0 since that message will
        // be on the first page
        if (messageID == thread.getRootMessage().getID()) {
            start = 0;
        }
        else {
            // get an iterator of all messages
            messages = thread.messages();
            int index = 0;
            int messageRange = range;
            // loop through the messages
            while (messages.hasNext()) {
                ForumMessage message = (ForumMessage)messages.next();
                if (message.getID() != messageID) {
                    index++;
                }
                else {
                    // found the message, calculage what page we're on
                    start = (index/messageRange)*messageRange;
                    break;
                }
            }
        }
    }

	// Root message of the thread
	ForumMessage rootMessage = thread.getRootMessage();

    ResultFilter filter = ResultFilter.createDefaultMessageFilter();
    filter.setStartIndex(start);
    filter.setNumResults(range);
    // reinitialize the message iterator to show the appropriate range
    messages = thread.messages(filter);

    // A user manager lets us get information about users
    UserManager userManager = forumFactory.getUserManager();

    // Get a thread iterator (for the next/previous thread feature):
    ForumThreadIterator threadIterator = null;
    ForumThread prevThread = null;
    ForumThread nextThread = null;

    // Only get a next/prev iterator if it is turned on. The only case where
    // it should be turned off is when coming from the post page.
    if (nav) {
        // Get a list of threads:
        ResultFilter threadFilter = new ResultFilter();
        threadFilter.setStartIndex(threadStart);
        threadFilter.setNumResults(threadRange);
        threadIterator = forum.threads(threadFilter);
        // Set its index to this thread:
        threadIterator.setIndex(thread);
        // Get the previous and next threads:
        if (threadIterator.hasPrevious()) {
            prevThread = (ForumThread)threadIterator.previous();
            // advance the iterator pointer back to the original index
            threadIterator.next();
        }
        if (threadIterator.hasNext()) {
            nextThread = (ForumThread)threadIterator.next();
        }
    }

    // Get a watch manager to manage watches on this page.
    WatchManager watchManager = null;
    // Indicates if this thread is watched
    boolean isWatchedThread = false;
    if (!isGuest) {
        watchManager = forumFactory.getWatchManager();
        isWatchedThread = watchManager.isWatchedThread(pageUser, thread, WatchManager.NORMAL_WATCH);
    }

    String headerPaginatorHTML = "";
    if (numPages > 1) {
        headerPaginatorHTML = getThreadPaginator(forumID, threadID, numMessages, numReplies, numPages, start, range, true,locale);
    }
    String footerPaginatorHTML = "";
    if (numPages > 1) {
        footerPaginatorHTML = getThreadPaginator(forumID, threadID, numMessages, numReplies, numPages, start, range, false,locale);
    }

    // Add the subject of the root message to the title
    List titleDisplay = new ArrayList(1);
    titleDisplay.add(thread.getName());
    String title = SkinUtils.getLocalizedString("skin.default.thread.title", locale, titleDisplay);

    // Formatter for short dates
    SimpleDateFormat shortDateFormatter = new SimpleDateFormat("MMM, yyyy", locale);

    // Check if this topic is archived:
    boolean isArchived = "true".equals(thread.getProperty("archived"));

    // Check if this topic is locked:
    boolean isLocked = "true".equals(thread.getProperty("locked"));
%>

<%@ include file="header.jsp" %>

<table cellpadding="0" cellspacing="0" border="0" width="100%">
<tr>
    <td width="99%" valign="top">

    <font face="<%= JiveGlobals.getJiveProperty("skin.default.fontFace") %>"
     color="<%= JiveGlobals.getJiveProperty("skin.default.linkColor") %>">
    <b><%= rootMessage.getSubject() %></b>
    </font>
    <br>

    <%-- Breadcrumbs --%>

    <font size="<%= JiveGlobals.getJiveProperty("skin.default.fontSize") %>"
     face="<%= JiveGlobals.getJiveProperty("skin.default.fontFace") %>"
     color="<%= JiveGlobals.getJiveProperty("skin.default.linkColor") %>">
    <b>
    <a href="<%= JiveGlobals.getJiveProperty("skin.default.homeURL") %>"
    ><%= SkinUtils.getLocalizedString("skin.default.global.home",locale) %></a>
    &raquo;
    <a href="index.jsp" title="<%= SkinUtils.getLocalizedString("skin.default.global.go_back_to_forum_list",locale) %>"
    ><%= SkinUtils.getLocalizedString("skin.default.global.forums",locale) %></a>
    &raquo;
    <a href="forum.jsp?forum=<%= forumID %>" title="<%= SkinUtils.getLocalizedString("skin.default.global.go_back_to_topic_list",locale) %>"
    ><%= forum.getName() %></a>
    </b>
    </font>

    <p>

    <font size="<%= JiveGlobals.getJiveProperty("skin.default.fontSize") %>"
     face="<%= JiveGlobals.getJiveProperty("skin.default.fontFace") %>">

    <%= SkinUtils.getLocalizedString("skin.default.global.replies",locale) %><%= SkinUtils.getLocalizedString("skin.default.global.colon",locale) %>
    <b><%= SkinUtils.getLocalizedNumber(numReplies,locale) %></b>
    &nbsp;
    <%= SkinUtils.getLocalizedString("skin.default.global.pages",locale) %><%= SkinUtils.getLocalizedString("skin.default.global.colon",locale) %>
    <b><%= SkinUtils.getLocalizedNumber(numPages,locale) %></b>
    &nbsp;

    <%  // Print out the most recently reply in this thread (if there are replies):
        if (numReplies > 0) {
            ForumMessage lastPost = null;