--- loncom/interface/loncommon.pm	2009/03/25 15:49:47	1.776
+++ loncom/interface/loncommon.pm	2009/03/27 02:14:43	1.780
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.776 2009/03/25 15:49:47 bisitz Exp $
+# $Id: loncommon.pm,v 1.780 2009/03/27 02:14:43 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -4505,7 +4505,7 @@ body{
   }
 a:link, a:visited { font-size:100%; }
 
-a:focus { color: red; background: yellow } 
+a:focus { color: red; background: yellow }
 table.thinborder,
 table.thinborder tr th {
   border-style: solid;
@@ -4528,7 +4528,19 @@ form, .inline { display: inline; }
 .LC_400Box {width:400px; }
 /* end */
 
-.LC_filename {font-family: $mono; white-space:pre;}
+.LC_filename {
+  font-family: $mono;
+  white-space:pre;
+}
+
+.LC_fileicon {
+  border: none;
+  height: 1.3em;
+  vertical-align: text-bottom;
+  margin-right: 0.3em;
+  text-decoration:none;
+}
+
 .LC_error {
   color: red;
   font-size: larger;
@@ -4578,7 +4590,7 @@ table#LC_top_nav, table#LC_menubuttons,t
   padding: 0px;
 }
 
-table#LC_title_bar, table.LC_breadcrumbs, 
+table#LC_title_bar, table.LC_breadcrumbs,
 table#LC_title_bar.LC_with_remote {
   width: 100%;
   border-color: $pgbg;
@@ -4655,6 +4667,10 @@ table#LC_top_nav td.LC_top_nav_logo img
   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_top_nav td.LC_top_nav_login {
   width: 4.0em;
   text-align: center;
@@ -4665,9 +4681,20 @@ table.LC_breadcrumbs td, table.LC_docs_p
   font-family: $sans;
   font-size: smaller;
 }
+table.LC_breadcrumbs td.LC_breadcrumbs_component,
+table.LC_docs_path td.LC_docs_path_component {
+  background: $tabbg;
+  color: $font;
+  font-family: $sans;
+  font-size: larger;
+  text-align: right;
+}
 td.LC_table_cell_checkbox {
   text-align: center;
 }
+table#LC_mainmenu td.LC_mainmenu_column {
+    vertical-align: top;
+}
 
 .LC_fontsize_small
 {
@@ -4704,7 +4731,7 @@ td.LC_table_cell_checkbox {
 }
 
 td.LC_menubuttons_text {
- 	color: $font; 	
+ 	color: $font;
 }
 
 
@@ -4775,7 +4802,7 @@ table.LC_data_table tr.LC_info_row > td
   font-weight: bold;
   text-align: left;
 }
-table.LC_data_table tr.LC_odd_row > td, 
+table.LC_data_table tr.LC_odd_row > td,
 table.LC_pick_box tr > td.LC_odd_row,
 table.LC_aboutme_port tr td {
   background-color: $data_table_light;
@@ -4870,13 +4897,19 @@ table.LC_calendar tr td {
 table.LC_calendar tr td.LC_calendar_day_empty {
   background-color: $data_table_dark;
 }
-
+table.LC_calendar tr td.LC_calendar_day_current {
+  background-color: $data_table_highlight;
+}
 table.LC_mail_list tr.LC_mail_new {
   background-color: $mail_new;
 }
 table.LC_mail_list tr.LC_mail_new:hover {
   background-color: $mail_new_hover;
 }
+table.LC_mail_list tr.LC_mail_even{
+}
+table.LC_mail_list tr.LC_mail_odd{
+}
 table.LC_mail_list tr.LC_mail_read {
   background-color: $mail_read;
 }
@@ -4896,12 +4929,21 @@ table.LC_mail_list tr.LC_mail_other:hove
   background-color: $mail_other_hover;
 }
 
-table.LC_data_table tr > td.LC_browser_file {
+table.LC_data_table tr > td.LC_browser_file,
+table.LC_data_table tr > td.LC_browser_file_published {
   background: #CCFF88;
 }
-table.LC_data_table tr > td.LC_browser_file_locked {
+table.LC_data_table tr > td.LC_browser_file_locked,
+table.LC_data_table tr > td.LC_browser_file_unpublished {
   background: #FFAA99;
 }
+table.LC_data_table tr > td.LC_browser_file_obsolete {
+  background: #AAAAAA;
+}
+table.LC_data_table tr > td.LC_browser_file_modified,
+table.LC_data_table tr > td.LC_browser_file_metamodified {
+  background: #FFFF77;
+}
 table.LC_data_table tr.LC_browser_folder > td {
   background: #CCCCFF;
 }
@@ -4953,7 +4995,7 @@ span.LC_parm_folder, span.LC_parm_symb {
 }
 
 td.LC_parm_overview_level_menu, td.LC_parm_overview_map_menu,
-td.LC_parm_overview_parm_selectors {
+td.LC_parm_overview_parm_selectors,td.LC_parm_overview_restrictions  {
   border: 1px solid black;
   border-collapse: collapse;
 }
@@ -5165,7 +5207,7 @@ table.LC_descriptive_input td.LC_descrip
 div.LC_feedback_link {
   clear: both;
   background: white;
-  width: 100%;  
+  width: 100%;
 }
 span.LC_feedback_link {
   background: $feedback_link_bg;
@@ -5196,7 +5238,7 @@ table.LC_prior_tries td {
   background: #FFAAAA ! important;
   color: black;
 }
-.LC_answer_not_charged_try, 
+.LC_answer_not_charged_try,
 .LC_answer_no_grade,
 .LC_answer_late {
   background: #FFFFAA;
@@ -5206,8 +5248,14 @@ table.LC_prior_tries td {
   background: #AAAAFF;
   color: black;
 }
-
-
+.LC_answer_no_message {
+  background: #FFFFFF;
+  color: black;
+}
+.LC_answer_unknown {
+  background: orange;
+  color: black;
+}
 span.LC_prior_numerical,
 span.LC_prior_string,
 span.LC_prior_custom,
@@ -5254,7 +5302,10 @@ table.LC_docs_documents {
   border-width: 0px;
   border-collapse: collapse;
 }
-
+table.LC_docs_documents td.LC_docs_document {
+  border: 2px solid black;
+  padding: 4px;
+}
 .LC_docs_entry_move {
   border: 0px;
   border-collapse: collapse;
@@ -5327,7 +5378,7 @@ table.LC_double_column tr td.LC_left_col
 
 table.LC_double_column tr td.LC_right_col {
   top: 2px;
-  right: 2px; 
+  right: 2px;
   width: 47%;
   vertical-align: top;
 }
@@ -5405,7 +5456,7 @@ table.LC_scantron_action tr th {
   font-weight:bold;
   font-style:normal;
 }
-.LC_edit_problem_header, 
+.LC_edit_problem_header,
 div.LC_edit_problem_footer {
   font-weight: normal;
   font-size:  medium;
@@ -5473,7 +5524,13 @@ table#LC_mainmenu td.LC_mainmenu_col_fie
   vertical-align: top;
   width: 45%;
 }
-
+.LC_mainmenu_fieldset_category {
+  color: $font;
+  background: $pgbg;
+  font-family: $sans;
+  font-size: small;
+  font-weight: bold;
+}
 div.LC_createcourse {
     margin: 10px 10px 10px 10px;
 }
@@ -5496,7 +5553,7 @@ ul.LC_TabContent   li:hover a{
         text-decoration:none;
 }
 
-h1 { 
+h1 {
 	padding:5px 10px 5px 20px;
 	line-height:130%;
 }
@@ -5511,7 +5568,7 @@ h2,h3,h4,h5,h6
         padding:3px 15px 3px 15px;
         margin:0px;
 	background-color:$tabbg;
-	border-bottom:solid 1px $lg_border_color;       
+	border-bottom:solid 1px $lg_border_color;
 }
 .LC_noBorder {
         border:0px;
@@ -5531,7 +5588,7 @@ p, .LC_ContentBox {
 
 }
 .LC_FormSectionClearButton input {
-        background-color:transparent;    	    
+        background-color:transparent;
         border:0px;
         cursor:pointer;
         text-decoration:underline;
@@ -5608,7 +5665,7 @@ ul.LC_TabContent li{
 	background-color:$tabbg;
 	border-bottom:solid 1px $lg_border_color;
 }
-ul.LC_TabContent li a, ul.LC_TabContent li{ 
+ul.LC_TabContent li a, ul.LC_TabContent li{
 	color:rgb(47,47,47);
 	text-decoration:none;
 	font-size:95%;
@@ -5650,7 +5707,7 @@ ol#LC_MenuBreadcrumbs, ol#LC_PathBreadcr
 ol#LC_MenuBreadcrumbs li, ol#LC_PathBreadcrumbs li {
 /*
 	background: url(/adm/lonIcons/arrow_white.png) no-repeat left center;
-*/	
+*/
 	display: inline;
 	padding: 0px 0px 0px 10px;
 	vertical-align: bottom;
@@ -5697,6 +5754,7 @@ dl.LC_ListStyleClean dd {
 .LC_ListStyleClean,
 .LC_ListStyleSimple,
 .LC_ListStyleNormal,
+.LC_ListStyle_Border,
 .LC_ListStyleSpecial
 	{
 	/*display:block;	*/
@@ -5833,7 +5891,7 @@ table em{
 	font-weight: bold;
 	font-style: normal;
 }
-table.LC_tableBrowseRes, 
+table.LC_tableBrowseRes,
 table.LC_tableOfContent{
         border:none;
 	border-spacing: 1;
@@ -5896,7 +5954,7 @@ ul#LC_toolbar li a:hover{
 }
 
 ul#LC_toolbar{
-	padding:0; 
+	padding:0;
 	margin: 2px;
 	list-style:none;
 	position:relative;
@@ -5918,8 +5976,8 @@ a.LC_toolbarItem{
 	margin:0;
 	height: 32px;
 	width: 32px;
-	color:white; 
-	border:0 none;	
+	color:white;
+	border:0 none;
 	background-repeat:no-repeat;
 	background-color:transparent;
 }
@@ -6959,6 +7017,8 @@ If the user's status includes multiple t
 the largest default quota which applies to the user determines the
 default quota returned.
 
+=back
+
 =cut
 
 ###############################################
@@ -7507,8 +7567,57 @@ sub get_institutional_codes {
 
 =pod
 
+=head1 Slot Helpers
+
+=over 4
+
+=item * sorted_slots()
+
+Sorts an array of slot names in order of slot start time (earliest first). 
+
+Inputs:
+
+=over 4
+
+slotsarr  - Reference to array of unsorted slot names.
+
+slots     - Reference to hash of hash, where outer hash keys are slot names.
+
 =back
 
+Returns:
+
+=over 4
+
+sorted   - An array of slot names sorted by the start time of the slot.
+
+=back
+
+=back
+
+=cut
+
+
+sub sorted_slots {
+    my ($slotsarr,$slots) = @_;
+    my @sorted;
+    if ((ref($slotsarr) eq 'ARRAY') && (ref($slots) eq 'HASH')) {
+        @sorted =
+            sort {
+                     if (ref($slots->{$a}) && ref($slots->{$b})) {
+                         return $slots->{$a}{'starttime'} <=> $slots->{$b}{'starttime'}
+                     }
+                     if (ref($slots->{$a})) { return -1;}
+                     if (ref($slots->{$b})) { return 1;}
+                     return 0;
+                 } @{$slotsarr};
+    }
+    return @sorted;
+}
+
+
+=pod
+
 =head1 HTTP Helpers
 
 =over 4