--- loncom/interface/loncommon.pm	2006/07/07 13:40:16	1.421
+++ loncom/interface/loncommon.pm	2006/07/20 22:44:04	1.436
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.421 2006/07/07 13:40:16 albertel Exp $
+# $Id: loncommon.pm,v 1.436 2006/07/20 22:44:04 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -285,7 +285,7 @@ sub browser_and_searcher_javascript {
 	}
         url += 'element=' + elementname + '';
         var title = 'Browser';
-        var options = 'scrollbars=1,resizable=1,menubar=1,location=1';
+        var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
         options += ',width=700,height=600';
         editbrowser = open(url,title,options,'1');
         editbrowser.focus();
@@ -306,7 +306,7 @@ sub browser_and_searcher_javascript {
 	}
         url += 'element=' + elementname + '';
         var title = 'Search';
-        var options = 'scrollbars=1,resizable=1,menubar=0';
+        var options = 'scrollbars=1,resizable=1,menubar=0,toolbar=1,location=1';
         options += ',width=700,height=600';
         editsearcher = open(url,title,options,'1');
         editsearcher.focus();
@@ -672,14 +672,14 @@ sub help_open_topic {
     {
 	$template .= 
   "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
-  "<td bgcolor='#5555FF'><a href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+  "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
     }
 
     # Add the graphic
     my $title = &mt('Online Help');
     my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");
     $template .= <<"ENDTEMPLATE";
- <a href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
+ <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
 ENDTEMPLATE
     if ($text ne '') { $template.='</td></tr></table>' };
     return $template;
@@ -706,39 +706,95 @@ sub helpLatexCheatsheet {
 	.'</td></tr></table>';
 }
 
-sub help_open_menu {
-    my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text) = @_;
-    $text = "" if (not defined $text);
-    $stayOnPage = 0 if (not defined $stayOnPage);
-    if ($env{'browser.interface'} eq 'textual' ||
-        $env{'environment.remote'} eq 'off' ) {
-        $stayOnPage=1;
+sub general_help {
+    my $helptopic='Student_Intro';
+    if ($env{'request.role'}=~/^(ca|au)/) {
+	$helptopic='Authoring_Intro';
+    } elsif ($env{'request.role'}=~/^cc/) {
+	$helptopic='Course_Coordination_Intro';
     }
-    $width = 620 if (not defined $width);
-    $height = 600 if (not defined $height);
-    my $link='';
-    my $title = &mt('Get help');
+    return $helptopic;
+}
+
+sub update_help_link {
+    my ($topic,$component_help,$faq,$bug,$stayOnPage) = @_;
     my $origurl = $ENV{'REQUEST_URI'};
     $origurl=~s|^/~|/priv/|;
     my $timestamp = time;
     foreach my $datum (\$topic,\$component_help,\$faq,\$bug,\$origurl) {
         $$datum = &escape($$datum);
     }
-    if (!$stayOnPage) {
-         $link = "javascript:helpMenu('open')";
-    } else {
-        $link = "javascript:helpMenu('display')";
-    }
+
     my $banner_link = "/adm/helpmenu?page=banner&amp;topic=$topic&amp;component_help=$component_help&amp;faq=$faq&amp;bug=$bug&amp;origurl=$origurl&amp;stamp=$timestamp&amp;stayonpage=$stayOnPage";
-    my $details_link = "/adm/helpmenu?page=body&amp;topic=$topic&amp;component_help=$component_help&amp;faq=$faq&amp;bug=$bug&amp;origurl=$origurl&amp;stamp=$timestamp";
-    my $template;
-    if ($text ne "") {
-	$template .= 
-  "<table bgcolor='#CC3300' cellspacing='1' cellpadding='1' border='0'><tr>".
-  "<td bgcolor='#CC6600'><a href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+    my $output .= <<"ENDOUTPUT";
+<script type="text/javascript">
+// <!-- BEGIN LON-CAPA Internal
+banner_link = '$banner_link';
+// END LON-CAPA Internal -->
+</script>
+ENDOUTPUT
+    return $output;
+}
+
+# now just updates the help link and generates a blue icon
+sub help_open_menu {
+    my ($topic,$component_help,$faq,$bug,$stayOnPage,$width,$height,$text) 
+	= @_;
+    
+    $stayOnPage = 0 if (not defined $stayOnPage);
+    if ($env{'browser.interface'} eq 'textual' ||
+	$env{'environment.remote'} eq 'off' ) {
+	$stayOnPage=1;
+    }
+    my $output;
+    if ($component_help) {
+	if (!$text) {
+	    $output=&help_open_topic($component_help,undef,$stayOnPage,
+				       $width,$height);
+	} else {
+	    my $help_text;
+	    $help_text=&unescape($topic);
+	    $output='<table><tr><td>'.
+		&help_open_topic($component_help,$help_text,$stayOnPage,
+				 $width,$height).'</td></tr></table>';
+	}
     }
+    my $banner_link = &update_help_link($topic,$component_help,$faq,$bug,$stayOnPage);
+    return $output.$banner_link;
+}
+
+sub top_nav_help {
+    my ($text) = @_;
+
+    $text = &mt($text);
+
+    my $stayOnPage = 
+	($env{'browser.interface'}  eq 'textual' ||
+	 $env{'environment.remote'} eq 'off' );
+    my $link=  ($stayOnPage) ? "javascript:helpMenu('display')"
+	                     : "javascript:helpMenu('open')";
+    my $banner_link = &update_help_link(undef,undef,undef,undef,$stayOnPage);
+
+    my $title = &mt('Get help');
+
+    return <<"END";
+$banner_link
+ <a href="$link" title="$title">$text</a>
+END
+}
+
+sub help_menu_js {
+    my ($text) = @_;
+
+    my $stayOnPage = 
+	($env{'browser.interface'}  eq 'textual' ||
+	 $env{'environment.remote'} eq 'off' );
+
+    my $width = 620;
+    my $height = 600;
+    my $helptopic=&general_help();
+    my $details_link = '/adm/help/'.$helptopic.'.hlp';
     my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
-    my $helpicon=&lonhttpdurl("/adm/lonIcons/helpgateway.gif");
     my $start_page =
         &Apache::loncommon::start_page('Help Menu', undef,
 				       {'frameset'    => 1,
@@ -750,10 +806,11 @@ sub help_open_menu {
         &Apache::loncommon::end_page({'frameset' => 1,
 				      'js_ready' => 1,});
 
-    $template .= <<"ENDTEMPLATE";
- <script type="text/javascript">
+    my $template .= <<"ENDTEMPLATE";
+<script type="text/javascript">
 // <!-- BEGIN LON-CAPA Internal
 // <![CDATA[
+var banner_link = '';
 function helpMenu(target) {
     var caller = this;
     if (target == 'open') {
@@ -773,29 +830,14 @@ function helpMenu(target) {
     return;
 }
 function writeHelp(caller) {
-    caller.document.writeln('$start_page<frame name="bannerframe"  src="$banner_link" /><frame name="bodyframe" src="$details_link" /> $end_page')
+    caller.document.writeln('$start_page<frame name="bannerframe"  src="'+banner_link+'" /><frame name="bodyframe" src="$details_link" /> $end_page')
     caller.document.close()
     caller.focus()
 }
 // ]]>
 // END LON-CAPA Internal -->
- </script>
- <a href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help Menu)" /></a>
+</script>
 ENDTEMPLATE
-    if ($component_help) {
-	if (!$text) {
-	    $template=&help_open_topic($component_help,undef,$stayOnPage,
-				       $width,$height).' '.$template;
-	} else {
-	    my $help_text;
-	    $help_text=&unescape($topic);
-	    $template='<table><tr><td>'.
-		&help_open_topic($component_help,$help_text,$stayOnPage,
-				 $width,$height).'</td><td>'.$template.
-				 '</td></tr></table>';
-	}
-    }
-    if ($text ne '') { $template.='</td></tr></table>' };
     return $template;
 }
 
@@ -830,14 +872,14 @@ sub help_open_bug {
     {
 	$template .= 
   "<table bgcolor='#AA3333' cellspacing='1' cellpadding='1' border='0'><tr>".
-  "<td bgcolor='#FF5555'><a href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+  "<td bgcolor='#FF5555'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
     }
 
     # Add the graphic
     my $title = &mt('Report a Bug');
     my $bugicon=&lonhttpdurl("/adm/lonMisc/smallBug.gif");
     $template .= <<"ENDTEMPLATE";
- <a href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
+ <a target="_top" href="$link" title="$title"><img src="$bugicon" border="0" alt="(Bug: $topic)" /></a>
 ENDTEMPLATE
     if ($text ne '') { $template.='</td></tr></table>' };
     return $template;
@@ -875,14 +917,14 @@ sub help_open_faq {
     {
 	$template .= 
   "<table bgcolor='#337733' cellspacing='1' cellpadding='1' border='0'><tr>".
-  "<td bgcolor='#448844'><a href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
+  "<td bgcolor='#448844'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
     }
 
     # Add the graphic
     my $title = &mt('View the FAQ');
     my $faqicon=&lonhttpdurl("/adm/lonMisc/smallFAQ.gif");
     $template .= <<"ENDTEMPLATE";
- <a href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
+ <a target="_top" href="$link" title="$title"><img src="$faqicon" border="0" alt="(FAQ: $topic)" /></a>
 ENDTEMPLATE
     if ($text ne '') { $template.='</td></tr></table>' };
     return $template;
@@ -1918,12 +1960,20 @@ sub get_related_words {
         return ();
     } 
     my @Words=();
+    my $count=0;
     if (exists($thesaurus_db{$keyword})) {
 	# The first element is the number of times
 	# the word appears.  We do not need it now.
-	(undef,@Words) = (split(/:/,$thesaurus_db{$keyword}));
-        for (my $i=0;$i<=$#Words;$i++) {
-            ($Words[$i],undef)= split(/\,/,$Words[$i]);
+	my (undef,@RelatedWords) = (split(/:/,$thesaurus_db{$keyword}));
+	my (undef,$mostfrequentcount)=split(/\,/,$RelatedWords[0]);
+	my $threshold=$mostfrequentcount/10;
+        foreach my $possibleword (@RelatedWords) {
+            my ($word,$wordcount)=split(/\,/,$possibleword);
+            if ($wordcount>$threshold) {
+		push(@Words,$word);
+                $count++;
+                if ($count>10) { last; }
+	    }
         }
     }
     untie %thesaurus_db;
@@ -2002,6 +2052,9 @@ sub nickname {
 
 sub getnames {
     my ($uname,$udom)=@_;
+    if ($udom eq 'public' && $uname eq 'public') {
+	return ('lastname' => &mt('Public'));
+    }
     my $id=$uname.':'.$udom;
     my ($names,$cached)=&Apache::lonnet::is_cached_new('namescache',$id);
     if ($cached) {
@@ -2839,6 +2892,7 @@ sub bodytag {
     } else {
         $role = &Apache::lonnet::plaintext($role);
     }
+
     if (!$realm) { $realm='&nbsp;'; }
 # Set messages
     my $messages=&domainlogo($domain);
@@ -2867,6 +2921,11 @@ sub bodytag {
     }
 
     my $name = &plainname($env{'user.name'},$env{'user.domain'});
+    if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
+	undef($role);
+    } else {
+	$name = &aboutmewrapper($name,$env{'user.name'},$env{'user.domain'});
+    }
     
     my $roleinfo=(<<ENDROLE);
 <td class="LC_title_bar_who">
@@ -3107,6 +3166,7 @@ sub standard_css {
     my $data_table_head      = $tabbg;
     my $data_table_light     = '#EEEEEE';
     my $data_table_dark      = '#DDD';
+    my $data_table_darker    = '#CCC';
     my $data_table_highlight = '#FFFF00';
     my $mail_new             = '#FFBB77';
     my $mail_new_hover       = '#DD9955';
@@ -3124,7 +3184,9 @@ sub standard_css {
 h1, h2, h3, th { font-family: $sans }
 a:focus { color: red; background: yellow } 
 table.thinborder { border-collapse: collapse; }
-table.thinborder tr th, table.thinborder tr td { border-style: solid; border-width: 1px}
+table.thinborder tr th {  border-style: solid; border-width: 1px; background: $tabbg;}
+table.thinborder tr td { border-style: solid; border-width: 1px}
+
 form, .inline { display: inline; }
 .center { text-align: center; }
 .LC_filename {font-family: $mono;}
@@ -3175,7 +3237,7 @@ table#LC_title_bar td {
 table#LC_title_bar td.LC_title_bar_who {
   background: $tabbg;
   color: $font;
-  font: medium $sans;
+  font: small $sans;
   text-align: right;
 }
 span.LC_title_bar_title {
@@ -3213,14 +3275,18 @@ table#LC_top_nav td a, div#LC_top_nav a
 }
 table#LC_top_nav td.LC_top_nav_logo {
   background: $tabbg;
-  text-align: right;
+  text-align: left;
   white-space: nowrap;
-  font-weight: bold;
+  width: 31px;
 }
 table#LC_top_nav td.LC_top_nav_logo img {
-  margin-left: 0.2em;
+  border: 0px;
   vertical-align: bottom;
 }
+table#LC_top_nav td.LC_top_nav_exit,
+table#LC_top_nav td.LC_top_nav_help {
+  width: 2.0em;
+}
 table.LC_breadcrumbs td, table.LC_docs_path td  {
   background: $tabbg;
   color: $font;
@@ -3264,6 +3330,10 @@ td.LC_menubuttons_img {
 table.LC_data_table, table.LC_mail_list {
   border: 1px solid #000000;
   border-collapse: separate;
+  border-spacing: 1px;
+}
+.LC_data_table_dense {
+  font-size: small;
 }
 table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th {
   font-weight: bold;
@@ -3272,11 +3342,14 @@ table.LC_data_table tr th, table.LC_cale
 }
 table.LC_data_table tr td {
   background-color: $data_table_light;
-  padding: 0px;
+  padding: 2px;
 }
 table.LC_data_table tr.LC_even_row td {
   background-color: $data_table_dark;
 }
+table.LC_data_table tr.LC_data_table_highlight td {
+  background-color: $data_table_darker;
+}
 table.LC_data_table tr.LC_empty_row td {
   background-color: #FFFFFF;
   font-weight: bold;
@@ -3492,11 +3565,9 @@ table.LC_pick_box td.LC_pick_box_title {
   font-weight: bold;
   text-align: right;
   width: 184px;
-}
-table.LC_pick_box td {
   padding: 8px;
 }
-table.LC_pick_box td.LC_pick_box_seperator {
+table.LC_pick_box td.LC_pick_box_separator {
   padding: 0px;
   height: 1px;
   background: black;
@@ -3505,6 +3576,35 @@ table.LC_pick_box td.LC_pick_box_submit
   text-align: right;
 }
 
+table.LC_group_priv_box {
+  background: white;
+  border: 1px solid black;
+  border-spacing: 1px;
+}
+table.LC_group_priv_box td.LC_pick_box_title {
+  background: $tabbg;
+  font-weight: bold;
+  text-align: right;
+  width: 184px;
+}
+table.LC_group_priv_box td.LC_groups_fixed {
+  background: $data_table_light;
+  text-align: center;
+}
+table.LC_group_priv_box td.LC_groups_optional {
+  background: $data_table_dark;
+  text-align: center;
+}
+table.LC_group_priv_box td.LC_groups_functionality {
+  background: $data_table_darker;
+  text-align: center;
+  font-weight: bold;
+}
+table.LC_group_priv td {
+  text-align: left;
+  padding: 0px;
+}
+
 table.LC_notify_front_page {
   background: white;
   border: 1px solid black;
@@ -3513,6 +3613,36 @@ table.LC_notify_front_page {
 table.LC_notify_front_page td {
   padding: 8px;
 }
+.LC_navbuttons {
+  margin: 2ex 0ex 2ex 0ex;
+}
+.LC_topic_bar {
+  font-family: $sans;
+  font-weight: bold;
+  width: 100%;
+  background: $tabbg;
+  vertical-align: middle;
+  margin: 2ex 0ex 2ex 0ex;
+}
+.LC_topic_bar span {
+  vertical-align: middle;
+}
+.LC_topic_bar img {
+  vertical-align: bottom;
+}
+table.LC_course_group_status {
+  margin: 20px;
+}
+table.LC_status_selector td {
+  vertical-align: top;
+  text-align: center;
+  padding: 4px;
+}
+table.LC_descriptive_input td.LC_description {
+  vertical-align: top;
+  text-align: right;
+  font-weight: bold;
+}
 
 END
 }
@@ -3567,6 +3697,11 @@ sub headtag {
     if ($args->{'force_register'}) {
 	$result .= &Apache::lonmenu::registerurl(1);
     }
+    if (!$args->{'no_nav_bar'} 
+	&& !$args->{'only_body'}
+	&& !$args->{'frameset'}) {
+	$result .= &help_menu_js();
+    }
 
     if (ref($args->{'redirect'})) {
 	my ($time,$url,$inhibit_continue) = @{$args->{'redirect'}};
@@ -3736,7 +3871,7 @@ sub start_page {
     #&Apache::lonnet::logthis("start_page ".join(':',caller(0)));
     my %head_args;
     foreach my $arg ('redirect','force_register','domain','function',
-		     'bgcolor') {
+		     'bgcolor','frameset','no_nav_bar','body_only') {
 	if (defined($args->{$arg})) {
 	    $head_args{$arg} = $args->{$arg};
 	}
@@ -3884,8 +4019,10 @@ sub simple_error_page {
 {
     my $row_count;
     sub start_data_table {
+	my ($add_class) = @_;
+	my $css_class = (join(' ','LC_data_table',$add_class));
 	undef($row_count);
-	return '<table class="LC_data_table">'."\n";
+	return '<table class="'.$css_class.'">'."\n";
     }
 
     sub end_data_table {
@@ -3894,8 +4031,11 @@ sub simple_error_page {
     }
 
     sub start_data_table_row {
+	my ($add_class) = @_;
 	$row_count++;
-	return  '<tr '.(($row_count % 2)?'':'class="LC_even_row"').'>'."\n";;
+	my $css_class = ($row_count % 2)?'':'LC_even_row';
+	$css_class = (join(' ',$css_class,$add_class));
+	return  '<tr class="'.$css_class.'">'."\n";;
     }
 
     sub end_data_table_row {