--- loncom/interface/lonmenu.pm	2009/02/26 21:56:59	1.253
+++ loncom/interface/lonmenu.pm	2009/05/18 16:29:55	1.266
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines to control the menu
 #
-# $Id: lonmenu.pm,v 1.253 2009/02/26 21:56:59 kaisler Exp $
+# $Id: lonmenu.pm,v 1.266 2009/05/18 16:29:55 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -51,8 +51,6 @@ described at http://www.lon-capa.org.
 
 =over
 
-=item show_course()
-
 Little texts
 
 =item initlittle()
@@ -150,31 +148,15 @@ use vars qw(@desklines %category_names %
 
 my @inlineremote;
 
-
-
-sub show_course {
-    my $course = !$env{'user.adv'};
-    if (!$env{'user.adv'}) {
-	foreach my $env (keys(%env)) {
-	    next if ($env !~ m/^user\.priv\./);
-	    if ($env !~ m/^user\.priv\.(?:st|cm)/) {
-		$course = 0;
-		last;
-	    }
-	}
-    }
-    return $course;
-}
-
 sub initlittle {
     return &Apache::lonlocal::texthash('ret' => 'Return to Last Location',
 				       'nav' => 'Navigate Contents',
 				       'main' => 'Main Menu',
-                                       'roles' => (&show_course()?
+                                       'roles' => (&Apache::loncommon::show_course()?
                                                     'Courses':'Roles'),
                                        'other' => 'Other Roles',
                                        'docs' => 'Edit Course',
-                                       'exit' => 'Exit',
+                                       'exit' => 'Logout',
                                        'login' => 'Log In',
 				       'launch' => 'Launch Remote Control',
                                        'groups' => 'Groups',
@@ -348,6 +330,12 @@ ENDCRELOAD
         my $form=&serverform();
 	my $utility=&utilityfunctions();
 
+	my $messagelink = "";
+	if(&Apache::lonmsg::mynewmail()){
+		$messagelink = '<a href="javascript:go(\'/adm/communicate\');">Message(new)</a>'
+	}else{
+		$messagelink = '<a href="javascript:go(\'/adm/communicate\');">Message</a>'
+	}
         my $helplink=&Apache::loncommon::top_nav_help('Help');
 	return (<<ENDINLINEMENU);
 <script type="text/javascript">
@@ -358,19 +346,19 @@ $utility
 </script>
 <ol class="LC_smallMenu LC_right">
 	<li>$logo</li>
-	<li><a href="javascript:go('/adm/communicate');">Message</a></li>
+	<li>$messagelink</li>
 	<li>$roles</li>
 	<li>$helplink</li>
 	<li><a href="/adm/logout" target="_top">$lt{'exit'}</a></li>
 </ol>
-<ol id="LC_TabMainMenuContent">
+<ul id="LC_TabMainMenuContent">
 <li><a href="/adm/menu" target="_top">$lt{'main'}</a></li>
 $reloadlink
 $navmaps
 $docs
 $groups
 $role_selector
-</ol>
+</ul>
 $form
 <script type="text/javascript">
 // END LON-CAPA Internal
@@ -495,7 +483,7 @@ sub innerregister {
         if ($env{'request.symb'} ne '' &&
 	    $env{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form|task)$/) {
 	    if (&Apache::lonnet::allowed('mgr',$crs)) {
-		$hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_3]',
+		$hwkadd.=&switch('','',7,2,'pgrd.gif','problem[_1]','grades[_4]',
                        "gocmd('/adm/grades','gradingmenu')",
                        'Modify user grades for this assessment resource');
             } elsif (&Apache::lonnet::allowed('vgr',$crs)) {
@@ -516,6 +504,12 @@ sub innerregister {
         ### resource
         ###
         my $editbutton = '';
+        my $noeditbutton = 1;
+        my ($cnum,$cdom);
+        if ($env{'request.course.id'}) {
+            $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+            $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+        }
         if ($env{'user.author'}) {
             if ($env{'request.role'}=~/^(aa|ca|au)/) {
                 # Set defaults for authors
@@ -543,6 +537,7 @@ sub innerregister {
 		foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
 		if (!$allowed) {
 		    $editbutton=&switch('','',6,1,$top,,$bottom,$action,$desc);
+                    $noeditbutton = 0;
                 }
             }
             ##
@@ -551,30 +546,53 @@ sub innerregister {
             my $cfile='';
             my $cfuname='';
             my $cfudom='';
+            my $uploaded;
             if ($env{'request.filename'}) {
                 my $file=&Apache::lonnet::declutter($env{'request.filename'});
-                $file=~s/^($match_domain)\/($match_username)/\/priv\/$2/;
-                # Check that the user has permission to edit this resource
-                ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
-                if (defined($cfudom)) {
-		    my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
-		    my $allowed=0;
-		    my @ids=&Apache::lonnet::current_machine_ids();
-		    foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
-		    if ($allowed) {
-                        $cfile=$file;
+                if (defined($cnum) && defined($cdom)) {
+                    $uploaded = &is_course_upload($file,$cnum,$cdom);
+                }
+                if (!$uploaded) {
+                    $file=~s/^($match_domain)\/($match_username)/\/priv\/$2/;
+                    # Check that the user has permission to edit this resource
+                    ($cfuname,$cfudom)=&Apache::loncacc::constructaccess($file,$1);
+                    if (defined($cfudom)) {
+		        my $home=&Apache::lonnet::homeserver($cfuname,$cfudom);
+		        my $allowed=0;
+		        my @ids=&Apache::lonnet::current_machine_ids();
+		        foreach my $id (@ids) { if ($id eq $home) { $allowed=1; } }
+		        if ($allowed) {
+                            $cfile=$file;
+                        }
                     }
                 }
-            }        
+            }
             # Finally, turn the button on or off
             if ($cfile && !$const_space) {
                 $editbutton=&switch
                     ('','',6,1,'pcstr.gif','edit[_1]','resource[_2]',
                      "go('".$cfile."');","Edit this resource");
+                $noeditbutton = 0;
             } elsif ($editbutton eq '') {
                 $editbutton=&clear(6,1);
             }
         }
+        if (($noeditbutton) && ($env{'request.filename'})) { 
+            if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
+                my $file=&Apache::lonnet::declutter($env{'request.filename'});
+                if (defined($cnum) && defined($cdom)) {
+                    if (&is_course_upload($file,$cnum,$cdom)) {
+                        my $cfile = &edit_course_upload($file,$cnum,$cdom);
+                        if ($cfile) {
+                            $editbutton=&switch
+                                        ('','',6,1,'pcstr.gif','edit[_1]',
+                                         'resource[_2]',"go('".$cfile."');",
+                                         'Edit this resource');
+                        }
+                    }
+                }
+            }
+        }
         ###
         ###
 # Prepare the rest of the buttons
@@ -592,7 +610,7 @@ sub innerregister {
                 $menuitems=(<<ENDMENUITEMS);
 s&6&1&list.gif&list[_1]&dir[_1]&golist('$esc_currdir')&List current directory
 s&6&2&rtrv.gif&retrieve[_1]&version[_1]&gocstr('/adm/retrieve','/~$uname/$cleandisfn')&Retrieve old version
-s&6&3&pub.gif&publish[_1]&resource[_1]&gocstr('/adm/publish','/~$uname/$cleandisfn')&Publish this resource
+s&6&3&pub.gif&publish[_1]&resource[_3]&gocstr('/adm/publish','/~$uname/$cleandisfn')&Publish this resource
 s&7&1&del.gif&delete[_1]&resource[_2]&gocstr('/adm/cfile?action=delete','/~$uname/$cleandisfn')&Delete this resource
 s&7&2&prt.gif&prepare[_1]&printout[_1]&gocstr('/adm/printout','/~$uname/$cleandisfn')&Prepare a printable document
 ENDMENUITEMS
@@ -625,7 +643,7 @@ $menuitems.="Make notes and annotations
             unless ($env{'request.noversionuri'}=~/\/(bulletinboard|smppg|navmaps|syllabus|aboutme)(\?|$)/) {
 		if (!$env{'request.enc'}) {
 		    $menuitems.=(<<ENDREALRES);
-s&6&3&catalog.gif&catalog[_1]&info[_1]&catalog_info()&Show catalog information
+s&6&3&catalog.gif&catalog[_2]&info[_1]&catalog_info()&Show Metadata
 ENDREALRES
                 }
 	        $menuitems.=(<<ENDREALRES);
@@ -809,6 +827,42 @@ ENDDONOTREGTHIS
     return $result;
 }
 
+sub is_course_upload {
+    my ($file,$cnum,$cdom) = @_;
+    my $uploadpath = &LONCAPA::propath($cdom,$cnum);
+    $uploadpath =~ s{^\/}{};
+    if (($file =~ m{^\Q$uploadpath\E/userfiles/docs/}) ||
+        ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/docs/})) {
+        return 1;
+    }
+    return;
+}
+
+sub edit_course_upload {
+    my ($file,$cnum,$cdom) = @_;
+    my $cfile;
+    if ($file =~/\.(htm|html|css|js|txt)$/) {
+        my $ext = $1;
+        my $url = &Apache::lonnet::hreflocation('',$file);
+        my $home = &Apache::lonnet::homeserver($cnum,$cdom);
+        my @ids=&Apache::lonnet::current_machine_ids();
+        my $dest;
+        if ($home && grep(/^\Q$home\E$/,@ids)) {
+            $dest = $url.'?forceedit=1';
+        } else {
+            unless (&Apache::lonnet::get_locks()) {
+                $dest = '/adm/switchserver?otherserver='.
+                        $home.'&role='.$env{'request.role'}.
+                        '&url='.$url.'&forceedit=1';
+            }
+        }
+        if ($dest) {
+            $cfile = &HTML::Entities::encode($dest,'"<>&');
+        }
+    }
+    return $cfile;
+}
+
 sub loadevents() {
     if ($env{'request.state'} eq 'construct' ||
 	$env{'request.noversionuri'} =~ m{^/res/adm/pages/}) { return ''; }
@@ -916,8 +970,9 @@ sub load_remote_msg {
         ($env{'environment.remote'} eq 'off')) { return ''; }
 
     my $esclowerurl=&escape($lowerurl);
-    my $link=&mt('<a href="[_1]">Continue</a> on in Inline Menu mode',
-		 "/adm/remote?action=collapse&amp;url=$esclowerurl");
+    my $link=&mt('[_1]Continue[_2] on in Inline Menu mode'
+                ,'<a href="/adm/remote?action=collapse&amp;url='.$esclowerurl.'">'
+                ,'</a>');
     return(<<ENDREMOTEFORM);
 <p>
 <form name="wheel">
@@ -1133,7 +1188,7 @@ sub rawconfig {
     my $uname=$env{'user.name'};
     my $udom=$env{'user.domain'};
     my $adv=$env{'user.adv'};
-    my $show_course=&show_course();
+    my $show_course=&Apache::loncommon::show_course();
     my $author=$env{'user.author'};
     my $crs='';
     if ($env{'request.course.id'}) {
@@ -1470,16 +1525,16 @@ function set_bookmark() {
    bmquery=window.open('','bmquery','width=365,height=165,scrollbars=0');
    bmquery.document.write(
    '$start_page_bookmark'
-   +"<center><form method='post'"
-   +" name='newlink' action='/adm/bookmarks' target='bmquery' "
-   +">\\n <table width=340 height=150 "
-   +"bgcolor='ffffff' align=center><tr><td>Link Name:<br /><input "
-   +"type='text' name='title' size=45 value='"+clienttitle+"' />"
-   +"<br />Address:<br /><input type='text' name='address' size='45' "
-   +"value='"+clienthref+"' /><br /><center><input type='submit' "
-   +"value='Save' /> <input type='button' value='Close' "
-   +"onclick='javascript:window.close();' /><\\/center><\\/td>"
-   +"<\\/tr><\\/table><\\/form><\\/center>"
+   +'<center><form method="post"'
+   +' name="newlink" action="/adm/bookmarks" target="bmquery" '
+   +'> <table width="340" height="150" '
+   +'bgcolor="#FFFFFF" align="center"><tr><td>Link Name:<br /><input '
+   +'type="text" name="title" size="45" value="'+clienttitle+'" />'
+   +'<br />Address:<br /><input type="text" name="address" size="45" '
+   +'value="'+clienthref+'" /><br /><center><input type="submit" '
+   +'value="Save" /> <input type="button" value="Close" '
+   +'onclick="javascript:window.close();" /></center></td>'
+   +'</tr></table></form></center>'
    +'$end_page_bookmark' );
    bmquery.document.close();
 }
@@ -1555,7 +1610,7 @@ sub hidden_button_check {
 sub roles_selector {
     my ($cdom,$cnum) = @_;
     my $now = time;
-    my (%courseroles,%seccount,%gotnosection);
+    my (%courseroles,%seccount);
     my $is_cc;
     my $role_selector;
     if ($env{'user.role.cc./'.$cdom.'/'.$cnum}) {
@@ -1570,35 +1625,9 @@ sub roles_selector {
         }
     }
     if ($is_cc) {
-        my %adv_roles =
-             &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
-        foreach my $role (keys(%adv_roles)) {
-            my ($urole,$usec) = split(/:/,$role);
-            if (!$gotnosection{$urole}) {
-                $seccount{$urole} ++;
-                $gotnosection{$urole} = 1;
-            }
-            if (ref($courseroles{$urole}) eq 'ARRAY') {
-                if ($usec ne '') {
-                    if (!grep(/^Q$usec\E$/,@{$courseroles{$urole}})) {
-                        push(@{$courseroles{$urole}},$usec);
-                        $seccount{$urole} ++;
-                    }
-                }
-            } else {
-                @{$courseroles{$urole}} = ();
-                if ($usec ne '') {
-                    $seccount{$urole} ++;
-                    push(@{$courseroles{$urole}},$usec);
-                }
-            }
-        }
-        my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum);
-        @{$courseroles{'st'}} = ();
-        if (keys(%sections_count) > 0) {
-            push(@{$courseroles{'st'}},keys(%sections_count));
-        }
+        &get_all_courseroles($cdom,$cnum,\%courseroles,\%seccount);
     } else {
+        my %gotnosection;
         foreach my $item (keys(%env)) {
             if ($item =~ m-^user\.role\.([^.]+)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
                 my $role = $1;
@@ -1614,7 +1643,7 @@ sub roles_selector {
                 }
                 if (ref($courseroles{$role}) eq 'ARRAY') {
                     if ($sec ne '') {
-                        if (!grep(/^Q$sec\E$/,@{$courseroles{$role}})) {
+                        if (!grep(/^\Q$sec\E$/,@{$courseroles{$role}})) {
                             push(@{$courseroles{$role}},$sec);
                             $seccount{$role} ++;
                         }
@@ -1656,6 +1685,61 @@ sub roles_selector {
     return $role_selector;
 }
 
+sub get_all_courseroles {
+    my ($cdom,$cnum,$courseroles,$seccount) = @_;
+    unless ((ref($courseroles) eq 'HASH') && (ref($seccount) eq 'HASH')) {
+        return;
+    }
+    my ($result,$cached) = 
+        &Apache::lonnet::is_cached_new('getcourseroles',$cdom.'_'.$cnum);
+    if (defined($cached)) {
+        if (ref($result) eq 'HASH') {
+            if ((ref($result->{'roles'}) eq 'HASH') && 
+                (ref($result->{'seccount'}) eq 'HASH')) {
+                %{$courseroles} = %{$result->{'roles'}};
+                %{$seccount} = %{$result->{'seccount'}};
+                return;
+            }
+        }
+    }
+    my %gotnosection;
+    my %adv_roles =
+         &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
+    foreach my $role (keys(%adv_roles)) {
+        my ($urole,$usec) = split(/:/,$role);
+        if (!$gotnosection{$urole}) {
+            $seccount->{$urole} ++;
+            $gotnosection{$urole} = 1;
+        }
+        if (ref($courseroles->{$urole}) eq 'ARRAY') {
+            if ($usec ne '') {
+                if (!grep(/^Q$usec\E$/,@{$courseroles->{$urole}})) {
+                    push(@{$courseroles->{$urole}},$usec);
+                    $seccount->{$urole} ++;
+                }
+            }
+        } else {
+            @{$courseroles->{$urole}} = ();
+            if ($usec ne '') {
+                $seccount->{$urole} ++;
+                push(@{$courseroles->{$urole}},$usec);
+            }
+        }
+    }
+    my %sections_count = &Apache::loncommon::get_sections($cdom,$cnum,['st']);
+    @{$courseroles->{'st'}} = ();
+    if (keys(%sections_count) > 0) {
+        push(@{$courseroles->{'st'}},keys(%sections_count));
+        $seccount->{'st'} = scalar(keys(%sections_count)); 
+    }
+    my $rolehash = {
+                     'roles'    => $courseroles,
+                     'seccount' => $seccount,
+                   };
+    &Apache::lonnet::do_cache_new('getcourseroles',$cdom.'_'.$cnum,$rolehash);
+    return;
+}
+
 sub jump_to_role {
     my ($cdom,$cnum,$seccount,$courseroles) = @_;
     my %lt = &Apache::lonlocal::texthash(