--- loncom/interface/lonparmset.pm	2000/11/20 22:56:01	1.1
+++ loncom/interface/lonparmset.pm	2000/11/21 22:57:53	1.3
@@ -9,7 +9,7 @@
 #
 # 10/11,10/12,10/16 Gerd Kortemeyer)
 #
-# 11/20 Gerd Kortemeyer
+# 11/20,11/21 Gerd Kortemeyer
 
 package Apache::lonparmset;
 
@@ -18,6 +18,83 @@ use Apache::lonnet;
 use Apache::Constants qw(:common :http REDIRECT);
 use GDBM_File;
 
+my %courseopt;
+my %useropt;
+my %bighash;
+my %parmhash;
+
+my @ids;
+my %symbp;
+my %typep;
+
+my $uname;
+my $udom;
+my $uhome;
+
+my $csec;
+
+my $fcat;
+
+# -------------------------------------------- Figure out a cascading parameter
+
+sub parmval {
+    my ($what,$id)=@_;
+# ----------------------------------------------------- Cascading lookup scheme
+       my $symbparm=$symbp{$id}.'.'.$what;
+       my $reslevel=
+	    $ENV{'request.course.id'}.'.'.$symbparm;
+       my $seclevel=
+            $ENV{'request.course.id'}.'.'.
+		$ENV{'request.course.sec'}.'.'.$what;
+       my $courselevel=
+            $ENV{'request.course.id'}.'.'.$what;
+
+# ----------------------------------------------------------- first, check user
+
+      if ($uname) {
+       if ($useropt{$reslevel}) { return $useropt{$reslevel}; }
+       if ($useropt{$seclevel}) { return $useropt{$seclevel}; }
+       if ($useropt{$courselevel}) { return $useropt{$courselevel}; }
+      }
+
+# -------------------------------------------------------- second, check course
+
+       if ($courseopt{$reslevel}) { return $courseopt{$reslevel}; }
+       if ($courseopt{$seclevel}) { return $courseopt{$seclevel}; }  
+       if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; }
+
+# ------------------------------------------------------ third, check map parms
+
+       my $thisparm=$parmhash{$symbparm};
+       if ($thisparm) { return $thisparm; }
+     
+# --------------------------------------------- last, look in resource metadata
+
+        my $filename='/home/httpd/res/'.$bighash{'src_'.$id}.'.meta';
+        if (-e $filename) {
+            my @content;
+            {
+             my $fh=Apache::File->new($filename);
+             @content=<$fh>;
+            }
+            if (join('',@content)=~
+                 /\<$what[^\>]*\>([^\<]*)\<\/$what\>/) {
+	        return $1;
+ 	    }
+        }
+    return '';
+}
+
+# ---------------------------------------------------------------- Sort routine
+
+sub bycat {
+    if ($fcat eq '') {
+        $a<=>$b;
+    } else {
+        &parmval('0.'.$fcat,$a)<=>&parmval('0.'.$fcat,$b);
+    }
+}
+
 # ================================================================ Main Handler
 
 sub handler {
@@ -33,16 +110,103 @@ sub handler {
 
    if (($ENV{'request.course.fn'}) && 
        (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'}))) {
+# -------------------------------------------------------- Variable declaration
 
-      my %bighash;
-      if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
-                       &GDBM_READER,0640)) {
+      %courseopt=();
+      %useropt=();
+      %bighash=();
+
+      @ids=();
+      %symbp=();
+      %typep=();
+
+      $uname=$ENV{'form.uname'};
+      $udom=$ENV{'form.udom'};
+      unless ($udom) { $uname=''; }
+      $uhome='';
+      my $message='';
+      if ($uname) {
+	  $uhome=&Apache::lonnet::homeserver($uname,$udom);
+      }
+      if ($uhome eq 'no_host') { 
+          $message=
+         "<h3><font color=red>Unknown User $uname at Domain $udom</font></h3>";
+          $uname=''; 
+      }
+
+      $csec=$ENV{'form.csec'};
+      unless ($csec) { $csec=''; }
+      $fcat=$ENV{'form.fcat'};
+      unless ($fcat) { $fcat=''; }
+
+# ------------------------------------------------------------------- Tie hashs
+      if ((tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
+                       &GDBM_READER,0640)) &&
+          (tie(%parmhash,'GDBM_File',
+           $ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640))) {
+
+# -------------------------------------------------------------- Get coursedata
+        my $reply=&Apache::lonnet::reply('dump:'.
+              $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'.
+              $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.':resourcedata',
+              $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
+        if ($reply!~/^error\:/) {
+           map {
+             my ($name,$value)=split(/\=/,$_);
+             $courseopt{unescape($name)}=unescape($value);  
+           } split(/\&/,$reply);
+        }
+# --------------------------------------------------- Get userdata (if present)
+        if ($uname) {
+           my $reply=
+       &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
+           if ($reply!~/^error\:/) {
+              map {
+                my ($name,$value)=split(/\=/,$_);
+                $useropt{unescape($name)}=unescape($value);  
+              } split(/\&/,$reply);
+           }
+        }
+# --------------------------------------------------------- Get all assessments
+        map {
+	    if ($_=~/^src\_(\d+)\.(\d+)$/) {
+	       my $mapid=$1;
+               my $resid=$2;
+               my $id=$mapid.'.'.$resid;
+               if ($bighash{$_}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
+		   $ids[$#ids+1]=$id;
+                   $typep{$id}=$1;
+                   $symbp{$id}=
+		    &Apache::lonnet::declutter($bighash{'map_id_'.$mapid}).
+			'___'.$resid.'___'.
+			    &Apache::lonnet::declutter($bighash{$_});
+	       }
+            }
+        } keys %bighash;
+# ------------------------------------------------------------------- Sort this
+         @ids=sort bycat @ids;
+# ------------------------------------------------------------------ Start page
          $r->content_type('text/html');
          $r->send_http_header;
-	 $r->print('<html><body bgcolor="#FFFFFF">');
-
+	 $r->print(
+  '<html><body bgcolor="#FFFFFF"><h1>Set Assessment Parameters</h1>');
+	$r->print("<h2>Course: $ENV{'course.'.
+                   $ENV{'request.course.id'}.'.description'}</h2>");
+	 if ($csec) {
+            $r->print("<h3>Section/Group: $csec</h3>");
+	 }
+	 if ($uname) {
+            $r->print("<h3>For User $uname at Domain $udom");
+	 }
+	 if ($uhome eq 'no_host') {
+            $r->print($message);
+         }
+ 	 map {
+	     $r->print($_.'<br>');
+	 } @ids;
          $r->print('</body></html>');
          untie(%bighash);
+	 untie(%parmhash);
       }
    } else {
 # ----------------------------- Not in a course, or not allowed to modify parms