--- loncom/interface/lonparmset.pm	2006/04/10 21:40:08	1.282
+++ loncom/interface/lonparmset.pm	2006/04/14 16:38:43	1.287
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.282 2006/04/10 21:40:08 albertel Exp $
+# $Id: lonparmset.pm,v 1.287 2006/04/14 16:38:43 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -394,9 +394,38 @@ sub storeparm_by_symb {
     return '';
 }
 
+{
+    my $logid;
+    sub log_parmset {
+	my ($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$cgroup)=@_;
+	$logid++;
+	my $id=time().'00000'.$$.'00000'.$logid;
+	&Apache::lonnet::put('nohist_parameterlog',
+			     {
+				 $id.'_exe_uname' => $env{'user.name'},
+				 $id.'_exe_udom'  => $env{'user.domain'},
+				 $id.'_exe_time'  => time(),
+				 $id.'_exe_ip'    => $ENV{'REMOTE_ADDR'},
+				 $id.'_symb'      => $symb,
+				 $id.'_spnam'     => $spnam,
+				 $id.'_snum'      => $snum,
+				 $id.'_nval'      => $nval,
+				 $id.'_ntype'     => $ntype,
+				 $id.'_uname'     => $uname,
+				 $id.'_udom'      => $udom,
+				 $id.'_csec'      => $csec,
+				 $id.'_cgroup'    => $cgroup
+			     },
+			     $env{'course.'.$env{'request.course.id'}.'.domain'},
+			     $env{'course.'.$env{'request.course.id'}.'.num'}
+			     );
+    }
+}
+
 sub storeparm_by_symb_inner {
 # ---------------------------------------------------------- Get symb, map, etc
     my ($symb,$spnam,$snum,$nval,$ntype,$uname,$udom,$csec,$cgroup)=@_;
+    &log_parmset(@_);
 # ---------------------------------------------------------- Construct prefixes
     $spnam=~s/\_([^\_]+)$/\.$1/;
     my $map=(&Apache::lonnet::decode_symb($symb))[0];    
@@ -635,7 +664,7 @@ sub startpage {
     my ($r) = @_;
 
     my %loaditems = ('onunload' => "pclose()",
-		     'onload'   => ="group_or_section('cgroup')",);
+		     'onload'   => "group_or_section('cgroup')",);
 
     my $start_page = 
 	&Apache::loncommon::start_page('Set/Modify Course Parameters',
@@ -3016,6 +3045,10 @@ ENDMAINFORMHEAD
           { text => 'Set Parameter Setting Default Actions',
             action => 'setdefaults',
             permission => $parm_permission,
+            },          
+	  { text => 'Parameter Change Log and Course Blog Posting',
+            action => 'parameterchangelog',
+            permission => $parm_permission,
             },
           );
     my $menu_html = '';
@@ -3283,6 +3316,121 @@ ENDYESNO
     return;
 }
 
+sub parm_change_log {
+    my ($r)=@_;
+    &startpage($r);
+
+    my @ids=();
+    my %symbp=();
+    my %mapp=();
+    my %typep=();
+    my %keyp=();
+    my %uris=();
+    my %maptitles=();
+
+# -------------------------------------------------------- Variable declaration
+
+    my %allmaps=();
+    my %alllevs=();
+
+    my $uname;
+    my $udom;
+    my $uhome;
+    my $csec;
+    my $cgroup;
+    my $grouplist;
+    my @usersgroups = ();
+ 
+    my $coursename=$env{'course.'.$env{'request.course.id'}.'.description'};
+
+    $alllevs{'Resource Level'}='full';
+    $alllevs{'Map/Folder Level'}='map';
+    $alllevs{'Course Level'}='general';
+
+    my %allparms;
+    my %allparts;
+    my %keyorder;
+# --------------------------------------------------------- Get all assessments
+    &extractResourceInformation(\@ids, \%typep,\%keyp, \%allparms, \%allparts, \%allmaps, 
+				\%mapp, \%symbp,\%maptitles,\%uris,
+				\%keyorder);
+
+    $mapp{'0.0'} = '';
+    $symbp{'0.0'} = '';
+
+    my %level=&Apache::lonlocal::texthash('parmlevel_14' => 'General Course',
+					  'parmlevel_13' => 'Map or Folder level in course',
+					  'parmlevel_12' => 'Resource default',
+					  'parmlevel_11' => 'Map default',
+					  'parmlevel_10' => 'Resource level in course',
+					  'parmlevel_9' => 'General for section',
+					  'parmlevel_8' => 'Map or Folder level for section',
+					  'parmlevel_7' => 'Resource level in section',
+					  'parmlevel_6' => 'General for group',
+					  'parmlevel_5' => 'Map or Folder level for group',
+					  'parmlevel_4' => 'Resource level in group',
+					  'parmlevel_3' => 'General for specific student',
+					  'parmlevel_2' => 'Map or Folder level for specific student',
+					  'parmlevel_1' => 'Resource level for specific student');
+
+#    $id.'_exe_uname' => $env{'user.name'},
+#    $id.'_exe_udom'  => $env{'user.domain'},
+#    $id.'_exe_time'  => time(),
+#    $id.'_exe_ip'    => $ENV{'REMOTE_ADDR'},
+#    $id.'_symb'      => $symb,
+#    $id.'_spnam'     => $spnam,
+#    $id.'_snum'      => $snum,
+#    $id.'_nval'      => $nval,
+#    $id.'_ntype'     => $ntype,
+#    $id.'_uname'     => $uname,
+#    $id.'_udom'      => $udom,
+#    $id.'_csec'      => $csec,
+#    $id.'_cgroup'    => $cgroup
+    my %parmlog=&Apache::lonnet::dump('nohist_parameterlog',
+				      $env{'course.'.$env{'request.course.id'}.'.domain'},
+				      $env{'course.'.$env{'request.course.id'}.'.num'});
+    my %exetime=();
+    foreach my $key (keys(%parmlog)) {
+	if ($key=~/^(.+)\_exe\_time$/) {
+	    $exetime{$1}=$parmlog{$key};
+	}
+    }
+    $r->print('<table border="2">');
+    foreach my $id (sort { $exetime{$a}<=>$exetime{$b} } (keys(%exetime))) {
+        my ($part,$name)=($parmlog{$id.'_spnam'}=~/^(.*)[\_\.]([^\_\.]+)$/);
+        my $spnam=$part.'_'.$name;
+	$r->print('<tr><td>'.
+		  &Apache::lonlocal::locallocaltime($parmlog{$id.'_exe_time'}).
+		  '</td><td>'.
+		  &Apache::loncommon::aboutmewrapper(
+						     &Apache::loncommon::plainname($parmlog{$id.'_exe_uname'},
+										   $parmlog{$id.'_exe_udom'}),
+						     $parmlog{$id.'_exe_uname'},
+						     $parmlog{$id.'_exe_udom'}).'<br /><tt>'.
+		  $parmlog{$id.'_exe_uname'}.':'.$parmlog{$id.'_exe_udom'}.'</tt>'.
+		  ((($parmlog{$id.'_exe_uname'} ne $env{'user.name'}) ||
+		    ($parmlog{$id.'_exe_udom'} ne $env{'user.domain'}))?
+		   '<br />'.&Apache::loncommon::messagewrapper(&mt('Send message'),
+							       $parmlog{$id.'_exe_uname'},
+							       $parmlog{$id.'_exe_udom'}):'').
+		  '</td><td>'.
+                  $level{'parmlevel_'.$parmlog{$id.'_snum'}}.
+                  '</td><td>'.
+                  &mt($allparms{$name}).'<br /><tt>'.$name.'</tt>'.
+                  '</td><td>'.
+                  ($part?&mt('Part: [_1]',$part):&mt('All parts')).
+		  '</td><td>'.
+                  $parmlog{$id.'_symb'}.
+		  '</td><td>'.
+		  ($parmlog{$id.'_nval'}?
+		   (&isdateparm($spnam)?&Apache::lonlocal::locallocaltime($parmlog{$id.'_nval'}):$parmlog{$id.'_nval'})
+		   :&mt('Deleted Parameter')).
+		  '</td></tr>');
+    }
+    $r->print('</table>');
+    $r->print(&Apache::loncommon::end_page());
+}
+
 ##################################################
 ##################################################
 
@@ -3375,8 +3523,11 @@ sub handler {
 						    text=>"Table Mode",
 						    help => 'Course_Setting_Parameters'});
 	    &assessparms($r);
-        }
-        
+        } elsif ($env{'form.action'} eq 'parameterchangelog' && $parm_permission) {
+            &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/parmset?action=settable',
+						    text=>"Parameter Change Log and Course Blog Posting"});
+	    &parm_change_log($r);
+	}       
     } else {
 # ----------------------------- Not in a course, or not allowed to modify parms
 	$env{'user.error.msg'}=