--- loncom/interface/lonparmset.pm	2010/02/15 00:17:12	1.493
+++ loncom/interface/lonparmset.pm	2010/06/18 11:11:08	1.498
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.493 2010/02/15 00:17:12 raeburn Exp $
+# $Id: lonparmset.pm,v 1.498 2010/06/18 11:11:08 bisitz Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -248,37 +248,6 @@ Variables used (guessed by Jeremy):
 
 =item parse_key()
 
-=item check_cloners() :
-
-Checks if new users included in list of allowed cloners
-are valid users.  Replaces supplied list with 
-cleaned list containing only users with valid usernames
-and domains.
-
-Inputs: $clonelist, $oldcloner 
-where $clonelist is ref to array of requested cloners,
-and $oldcloner is ref to array of currently allowed
-cloners.
-
-Returns: string - comma separated list of requested
-cloners (username:domain) who do not exist in system.
-
-=item change_clone() :
-
-Modifies the list of courses a user can clone (stored
-in the user's environment.db file), called when a
-change is made to the list of users allowed to clone
-a course.
-
-Inputs: $action,$cloner
-where $action is add or drop, and $cloner is identity of 
-user for whom cloning ability is to be changed in course. 
-
-
-=item check_cloners()
-
-=item change_clone()
-
 =item header()
 
 Output html header for page
@@ -1767,35 +1736,58 @@ sub mapmenu {
     $r->print(&Apache::lonhtmlcommon::row_title(&mt('Select Enclosing Map or Folder'),'','',' id="mapmenu"'));
     if ((ref($tree) eq 'ARRAY') && (ref($treeinfo) eq 'HASH')) {
         my $icon = '<img src="/adm/lonIcons/navmap.folder.open.gif" alt="" />';
-        $r->print(&Apache::loncommon::start_data_table()
-                 .&Apache::loncommon::start_data_table_row()
-                 .'<td>'.$icon
-                 .'<label>&nbsp;'
-                 .'<input type="radio" name="pschp" checked="checked" value="all" />'
-                 .&mt('All Maps or Folders')
-                 .'</label></td>'
-                 .&Apache::loncommon::end_data_table_row()
+        my $whitespace =
+            '<img src="'
+           .&Apache::loncommon::lonhttpdurl('/adm/lonIcons/whitespace_21.gif')
+           .'" alt="" />';
+
+        # Info about selectable folders/maps
+        $r->print(
+            '<div class="LC_info">'
+           .&mt('You can only select those maps and folders which can be currently parameterized.')
+         # .' '.&Apache::loncommon::help_open_topic('...') # Later: Add further help
+           .'</div>'
+        );
+
+
+        $r->print(&Apache::loncommon::start_data_table());
+
+        # Display row: "All Maps or Folders"
+        $r->print(
+            &Apache::loncommon::start_data_table_row()
+           .'<td>'
+           .'<label>'
+           .'<input type="radio" name="pschp"'
+        );
+        $r->print(' checked="checked"') if ($pschp eq 'all' || !$pschp);
+        $r->print(
+            ' value="all" />&nbsp;'.$icon.'&nbsp;'
+           .&mt('All Maps or Folders')
+           .'</label>'
+           .'<hr /></td>'
+           .&Apache::loncommon::end_data_table_row()
         );
-        my $whitespace = '<img src="'
-                        .&Apache::loncommon::lonhttpdurl("/adm/lonIcons/whitespace_21.gif")
-                        .'" alt="" />';
+
+        # Display row: "Main Course Documents"
         if (exists($$allmaps{1})) {
-            $r->print(&Apache::loncommon::start_data_table_row()
-                .'<td>'.$icon
-                .'<label>&nbsp;'
-                .'<input type="radio" name="pschp" value="1"'
+            $r->print(
+                &Apache::loncommon::start_data_table_row()
+               .'<td>'
+               .'<label>'
+               .'<input type="radio" name="pschp" value="1"'
             );
-            if ($pschp eq 1) {
-                $r->print(' checked="checked"');
-            }
-            $r->print('/>'
-                .$$maptitles{1}
-                .($$allmaps{1} !~/^uploaded/?' ['.$$allmaps{1}.']':'')
-                .'</label>'
-                .'</td>'
-                .&Apache::loncommon::end_data_table_row()
+            $r->print(' checked="checked"') if ($pschp eq '1');
+            $r->print(
+                '/>&nbsp;'.$icon.'&nbsp;'
+               .$$maptitles{1}
+               .($$allmaps{1} !~/^uploaded/?' ['.$$allmaps{1}.']':'')
+               .'</label>'
+               .'</td>'
+               .&Apache::loncommon::end_data_table_row()
             );
         }
+
+        # Display rows for all course maps and folders
         foreach my $id (@{$tree}) {
             my ($mapid,$resid)=split(/\./,$id);
             # Indentation
@@ -1811,22 +1803,32 @@ sub mapmenu {
             my $symb_name = $$symbp{$id};
             my ($front, $tail) = split (/___${resid}___/, $symb_name);
             $symb_name = $tail;
-            $r->print(&Apache::loncommon::start_data_table_row()
-                     .'<td>'.$indent.$icon
-                     .'<label>&nbsp;'
-                     .'<input type ="radio" name="pschp" value="'.$allmaps_inverted{$symb_name}.'"'
+            $r->print(
+                &Apache::loncommon::start_data_table_row()
+               .'<td>'
+               .'<label>'
             );
-            if ($pschp eq $allmaps_inverted{$symb_name}) {
-                $r->print(' checked="checked"');
+            # Only offer radio button for folders/maps which can be parameterized
+            if ($allmaps_inverted{$symb_name}) {
+                $r->print(
+                    '<input type ="radio" name="pschp"'
+                   .' value="'.$allmaps_inverted{$symb_name}.'"'
+                );
+                $r->print(' checked="checked"') if ($allmaps_inverted{$symb_name} eq $pschp);
+                $r->print('/>');
+            } else {
+                $r->print($whitespace);
             }
-            $r->print('/>'
-                     .$treeinfo->{$id}->{name}
-                     .($$allmaps{$mapid}!~/^uploaded/?' ['.$$allmaps{$mapid}.']':'')
-                     .'</label>'
-                     .'</td>'
-                     .&Apache::loncommon::end_data_table_row()
+            $r->print(
+                $indent.$icon.'&nbsp;'
+               .$treeinfo->{$id}->{name}
+               .($$allmaps{$mapid}!~/^uploaded/?' ['.$$allmaps{$mapid}.']':'')
+               .'</label>'
+               .'</td>'
+               .&Apache::loncommon::end_data_table_row()
             );
         }
+
         $r->print(&Apache::loncommon::end_data_table());
     }
 }
@@ -3020,7 +3022,7 @@ sub date_interval_selector {
     my %select = ((map {$_ => $_} (0..$max)),
               'select_form_order' => [0..$max]);
     $result .= &Apache::loncommon::select_form($amount,$name.'_'.$thiskey,
-                           %select);
+                           \%select);
     $result .= ' '.&mt($name);
     }
     $result .= '<input type="hidden" name="dateinterval_'.$thiskey.'" />';
@@ -3503,123 +3505,6 @@ sub parse_key {
 }
 
 
-
-sub extract_cloners {
-    my ($clonelist,$allowclone) = @_;
-    if ($clonelist =~ /,/) {
-        @{$allowclone} = split(/,/,$clonelist);
-    } else {
-        $$allowclone[0] = $clonelist;
-    }
-}
-
-sub check_cloners {
-    my ($clonelist,$oldcloner) = @_;
-    my ($clean_clonelist,%disallowed);
-    my @allowclone = ();
-    &extract_cloners($$clonelist,\@allowclone);
-    foreach my $currclone (@allowclone) {
-        if (!grep(/^\Q$currclone\E$/,@$oldcloner)) {
-            if ($currclone eq '*') {
-                $clean_clonelist .= $currclone.',';
-            } else {
-                my ($uname,$udom) = split(/:/,$currclone);
-                if ($uname eq '*') {
-                    if ($udom =~ /^$match_domain$/) {
-                        if (!&Apache::lonnet::domain($udom)) {
-                            $disallowed{'domain'} .= $currclone.',';
-                        } else {
-                            $clean_clonelist .= $currclone.',';
-                        }
-                    } else {
-                        $disallowed{'format'} .= $currclone.',';
-                    }
-                } elsif ($currclone !~/^($match_username)\:($match_domain)$/) {
-                    $disallowed{'format'} .= $currclone.',';
-                } else {
-                    if (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
-                        $disallowed{'newuser'} .= $currclone.',';
-                    } else {
-                        $clean_clonelist .= $currclone.',';
-                    }
-                }
-            }
-        } else {
-            $clean_clonelist .= $currclone.',';
-        }
-    }
-    foreach my $key (keys(%disallowed)) {
-        $disallowed{$key} =~ s/,$//;
-    }
-    if ($clean_clonelist) {
-        $clean_clonelist =~ s/,$//;
-    }
-    $$clonelist = $clean_clonelist;
-    return %disallowed;
-}
-
-sub change_clone {
-    my ($clonelist,$oldcloner) = @_;
-    my ($uname,$udom);
-    my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
-    my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
-    my $clone_crs = $cnum.':'.$cdom;
-
-    if ($cnum && $cdom) {
-        my @allowclone;
-        &extract_cloners($clonelist,\@allowclone);
-        foreach my $currclone (@allowclone) {
-            if (!grep(/^$currclone$/,@$oldcloner)) {
-                if ($currclone ne '*') {
-                    ($uname,$udom) = split(/:/,$currclone);
-                    if ($uname && $udom && $uname ne '*') {
-                        if (&Apache::lonnet::homeserver($uname,$udom) ne 'no_host') {
-                            my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
-                            if ($currclonecrs{'cloneable'} !~ /\Q$clone_crs\E/) {
-                                if ($currclonecrs{'cloneable'} eq '') {
-                                    $currclonecrs{'cloneable'} = $clone_crs;
-                                } else {
-                                    $currclonecrs{'cloneable'} .= ','.$clone_crs;
-                                }
-                                &Apache::lonnet::put('environment',\%currclonecrs,$udom,$uname);
-                            }
-                        }
-                    }
-                }
-            }
-        }
-        foreach my $oldclone (@$oldcloner) {
-            if (!grep(/^\Q$oldclone\E$/,@allowclone)) {
-                if ($oldclone ne '*') {
-                    ($uname,$udom) = split(/:/,$oldclone);
-                    if ($uname && $udom && $uname ne '*' ) {
-                        if (&Apache::lonnet::homeserver($uname,$udom) ne 'no_host') {
-                            my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
-                            my %newclonecrs = ();
-                            if ($currclonecrs{'cloneable'} =~ /\Q$clone_crs\E/) {
-                                if ($currclonecrs{'cloneable'} =~ /,/) {
-                                    my @currclonecrs = split/,/,$currclonecrs{'cloneable'};
-                                    foreach my $crs (@currclonecrs) {
-                                        if ($crs ne $clone_crs) {
-                                            $newclonecrs{'cloneable'} .= $crs.',';
-                                        }
-                                    }
-                                    $newclonecrs{'cloneable'} =~ s/,$//;
-                                } else {
-                                    $newclonecrs{'cloneable'} = '';
-                                }
-                                &Apache::lonnet::put('environment',\%newclonecrs,$udom,$uname);
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    }
-}
-
-
-
 sub header {
     return &Apache::loncommon::start_page('Parameter Manager');
 }
@@ -3653,12 +3538,6 @@ ENDMAINFORMHEAD
             linktitle => "Restrict metadata for this $lc_crstype." ,
             icon =>'contact-new.png'   ,
             },
-          { linktext => "Manage $crstype Slots",
-            url => '/adm/slotrequest?command=showslots',
-            permission => $vgr,
-            linktitle => "Manage slots for this $lc_crstype."  ,
-            icon => 'rsrv.png'  ,
-            },
           { linktext => 'Reset Student Access Times',
             url => '/adm/helper/resettimes.helper',
             permission => $mgr,