implemented the rest of the functions on the "posts" page; fixed post links

so they work now; added the HTML Reference (originally from CW); added the
post output filtering to turn the "pseudo-URIs" in the database into real
URIs

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

@@ -38,6 +38,7 @@ public class TopicPosts implements JSPRender
    *--------------------------------------------------------------------------------
    */
 
+  private VeniceEngine engine;
   private SIGContext sig;
   private ConferenceContext conf;
   private TopicContext topic;
@@ -47,6 +48,7 @@ public class TopicPosts implements JSPRender
   private int unread;
   private List messages;
   private TopicVisitOrder visit_order;
+  private String topic_stem;
   private String cache_locator = null;
 
   /*--------------------------------------------------------------------------------
@@ -54,10 +56,11 @@ public class TopicPosts implements JSPRender
    *--------------------------------------------------------------------------------
    */
 
-  public TopicPosts(HttpServletRequest request, SIGContext sig, ConferenceContext conf, TopicContext topic,
-		    int first, int last, boolean read_new, boolean show_advanced)
+  public TopicPosts(HttpServletRequest request, VeniceEngine engine, SIGContext sig, ConferenceContext conf,
+		    TopicContext topic, int first, int last, boolean read_new, boolean show_advanced)
       throws DataException, AccessError
   {
+    this.engine = engine;
     this.sig = sig;
     this.conf = conf;
     this.topic = topic;
@@ -70,6 +73,8 @@ public class TopicPosts implements JSPRender
     this.messages = topic.getMessages(first,last);
     this.visit_order = TopicVisitOrder.retrieve(request.getSession(true),conf.getConfID());
     visit_order.visit(topic.getTopicNumber());
+    List aliases = conf.getAliases();
+    topic_stem = (String)(aliases.get(0)) + "." + String.valueOf(topic.getTopicNumber()) + ".";
 
   } // end constructor
 
@@ -192,6 +197,14 @@ public class TopicPosts implements JSPRender
 
   } // end getNextLocator
 
+  public String getRestoreLocator()
+  {
+    StringBuffer buf = new StringBuffer("rtop=");
+    buf.append(topic.getTopicNumber()).append("&rct=").append(unread);
+    return buf.toString();
+
+  } // end getRestoreLocator
+
   public String getIdentifyingData()
   {
     StringBuffer buf = new StringBuffer("Posts ");
@@ -262,7 +275,7 @@ public class TopicPosts implements JSPRender
 
   public boolean canDeleteTopic()
   {
-    return false;  // TODO: fix me
+    return topic.canDelete();
 
   } // end canDeleteTopic
 
@@ -274,7 +287,7 @@ public class TopicPosts implements JSPRender
 
   public String getScrollUpLocator()
   {
-    int new_first = first - 20;  // TODO: configurable
+    int new_first = first - engine.getNumPostsPerPage();
     int new_last = last - 1;
     if (new_first<0)
     { // normalize so we start at 0
@@ -291,14 +304,14 @@ public class TopicPosts implements JSPRender
 
   public boolean canScrollDown()
   {
-    return ((topic.getTotalMessages() - (1 + last))>=20); // TODO: configurable
+    return ((topic.getTotalMessages() - (1 + last))>=engine.getNumPostsPerPage());
 
   } // end canScrollDown
 
   public String getScrollDownLocator()
   {
     StringBuffer buf = new StringBuffer("p1=");
-    buf.append(last+1).append("&p2=").append(last+20);  // TODO: configurable
+    buf.append(last+1).append("&p2=").append(last+engine.getNumPostsPerPage());
     return buf.toString();
 
   } // end getScrollDownLocator
@@ -313,7 +326,7 @@ public class TopicPosts implements JSPRender
   {
     int my_last = topic.getTotalMessages();
     StringBuffer buf = new StringBuffer("p1=");
-    buf.append(my_last-20).append("&p2=").append(my_last-1);  // TODO: configurable
+    buf.append(my_last-engine.getNumPostsPerPage()).append("&p2=").append(my_last-1);
     return buf.toString();
 
   } // end getScrollToEndLocator
@@ -351,4 +364,16 @@ public class TopicPosts implements JSPRender
 
   } // end getDefaultPseud
 
+  public String getMessageReference(TopicMessageContext msg)
+  {
+    return topic_stem + String.valueOf(msg.getPostNumber());
+
+  } // end getMessageReference
+
+  public int getNumPostsPerPage()
+  {
+    return engine.getNumPostsPerPage();
+
+  } // end getNumPostsPerPage
+
 } // end class TopicPosts