--- loncom/interface/lonfeedback.pm	2006/08/14 21:44:14	1.215
+++ loncom/interface/lonfeedback.pm	2006/11/28 22:27:56	1.219
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Feedback
 #
-# $Id: lonfeedback.pm,v 1.215 2006/08/14 21:44:14 albertel Exp $
+# $Id: lonfeedback.pm,v 1.219 2006/11/28 22:27:56 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -92,6 +92,7 @@ sub list_discussion {
             return '';
         }
     }
+
     my @bgcols = ("#cccccc","#eeeeee");
     my $discussiononly=0;
     if ($mode eq 'board') { $discussiononly=1; }
@@ -392,15 +393,23 @@ imscp_v1p1.xsd http://www.imsglobal.org/
             my $colspan=$maxdepth+1;
             $discussion.= qq|
 <script>
-   function studentdelete (symb,idx,newflag,previous) {
+   function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
        var symbparm = symb+':::'+idx
        var prevparm = ""
        if (newflag == 1) {
            prevparm = "&previous="+previous
        }
-       if (confirm("Are you sure you want to delete this post?\\nDeleted posts will no longer be visible to you and other students,\\nbut will continue to be visible to your instructor")) {
-           document.location.href = "/adm/feedback?hide="+symbparm+prevparm
-       }  
+       if (caller == 'studentdelete') {
+           if (confirm("Are you sure you want to delete this post?\\nDeleted posts will no longer be visible to you and other students,\\nbut will continue to be visible to your instructor")) {
+               document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
+           }
+       } else {
+           if (caller == 'seeiddelete') {
+               if (confirm("Are you sure you want to delete this post?\\nDeleted posts will no longer be visible to you or anyone else")) {
+                   document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
+               }
+           }
+       }
    }
 </script>
             |;
@@ -752,13 +761,13 @@ END
 	    if ($outputtarget ne 'tex') {
 		$discussion.='<a href="/adm/feedback?replydisc='.
 		    &escape($ressymb).':::" '.$target.'>'.
-		    '<img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'.
+		    '<img alt="" src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'.
 		    &mt('Post Discussion').'</a><br />';
             }
 	}
-	$discussion.='<a href="/adm/feedback?sendmessageonly=1&symb='.
+	$discussion.='<a href="/adm/feedback?sendmessageonly=1&amp;symb='.
 	    &escape($ressymb).
-	    '"><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" border="0" />'.
+	    '"><img alt="" src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" border="0" />'.
 		    &mt('Send Message').'</a></td></tr></table>';
     }
     return $discussion;
@@ -982,7 +991,8 @@ sub build_posting_display {
                                     $sender .= '" '.$target.'>'.&mt('Edit').'</a>';
                                     
                                     unless ($seeid) {
-                                        $sender.=" <a href=\"javascript:studentdelete('$escsymb','$idx','$$newpostsflag','$prevread')";
+                                        my $grpargs = &group_args($group);
+                                        $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
                                         $sender .= '">'.&mt('Delete').'</a>';
                                     }
                                 }
@@ -1005,14 +1015,11 @@ sub build_posting_display {
                                     }
 				    $sender .= &group_args($group);
                                     $sender .= '">'.&mt('Hide').'</a>';
-			        }                     
-			        $sender.=' <a href="/adm/feedback?deldisc='.
-				        $escsymb.':::'.$idx;
-                                if ($$newpostsflag) {
-                                    $sender .= '&previous='.$prevread;
-                                }
-				$sender .= &group_args($group);
-                                $sender .= '">'.&mt('Delete').'</a>';
+			        }
+                                my $grpargs = &group_args($group);
+			        $sender.= 
+                                    " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
+                                $sender .= &mt('Delete').'</a>';
                             }
 		        } else {
 			    if ($screenname) {
@@ -1486,14 +1493,11 @@ END
                       $numoldver = 1;
                   }
               }
-              my $message;
               if ($idx > 0) {
                   my %msgversions = ();
                   &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
-                  $message = $msgversions{$numoldver};
+                  $quote = $msgversions{$numoldver};
               }
-	      &newline_to_br(\$message);
-	      $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
               if ($idx > 0) {
                   my %subversions = ();
                   &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
@@ -1588,6 +1592,11 @@ END
       &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
 				     {'add_entries' => \%onload});
 
+  if ($quote ne '') {
+      &newline_to_br(\$quote);
+      $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
+  }
+
   $r->print(<<END);
 $start_page
 <h2><tt>$title</tt></h2>
@@ -2546,9 +2555,9 @@ sub clear_out_html {
 	     H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);
   }
 # Do the substitution of everything that is not explicitly allowed
-  $message =~ s/\<(\/?\s*(\w*)[^\>\<]*)/
+  $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/
 	  {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\&lt;$1"}/ge;
-  $message =~ s/(\<?\s*(\w*)[^\<\>]*)\>/
+  $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/
 	  {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\&gt;"}/ge;
   return $message;
 }
@@ -2813,6 +2822,10 @@ sub show_preview {
     my ($r) = @_;
     &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;
+    my $start_page=
+	&Apache::loncommon::start_page('Preview',undef,
+				       {'only_body'   => 1,});
+
     my $message=&clear_out_html($env{'form.comment'});
     &newline_to_br(\$message);
     $message=&Apache::lonspeller::markeduptext($message);
@@ -2820,9 +2833,6 @@ sub show_preview {
     my $subject=&clear_out_html($env{'form.subject'},undef,1);
     $subject=~s/\n/\<br \/\>/g;
     $subject=&Apache::lontexconvert::msgtexconverted($subject);
-    my $start_page=
-	&Apache::loncommon::start_page('Preview',undef,
-				       {'only_body'   => 1,});
 					
     my $end_page = &Apache::loncommon::end_page();
 
@@ -2871,6 +2881,19 @@ ENDPREVIEW
 
 sub modify_attachments {
     my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;
+
+    my $js = <<END;
+<script type="text/javascript">
+ function setAction () {
+   document.modattachments.action = document.modattachments.origpage.value;
+   document.modattachments.submit();
+ }
+</script> 
+END
+
+    my $start_page = 
+	&Apache::loncommon::start_page('Discussion Post Attachments',$js);
+
     my $orig_subject = &unescape($env{'form.subject'});
     my $subject=&clear_out_html($orig_subject,undef,1);
     $subject=~s/\n/\<br \/\>/g;
@@ -2885,17 +2908,7 @@ sub modify_attachments {
         &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
     }
     &Apache::lonenc::check_encrypt(\$symb);
-    my $js = <<END;
-<script type="text/javascript">
- function setAction () {
-   document.modattachments.action = document.modattachments.origpage.value;
-   document.modattachments.submit();
- }
-</script> 
-END
 
-    my $start_page = 
-	&Apache::loncommon::start_page('Discussion Post Attachments',$js);
     my $end_page = 
 	&Apache::loncommon::end_page();