--- loncom/interface/slotrequest.pm	2023/07/07 03:52:40	1.145
+++ loncom/interface/slotrequest.pm	2025/03/20 17:59:20	1.150
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler for requesting to have slots added to a students record
 #
-# $Id: slotrequest.pm,v 1.145 2023/07/07 03:52:40 raeburn Exp $
+# $Id: slotrequest.pm,v 1.150 2025/03/20 17:59:20 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -50,7 +50,7 @@ sub fail {
     } else {
 	$r->print('<p>'.&mt('Failed.').'</p>');
     }
-    
+
     &return_link($r);
     &end_page($r);
 }
@@ -60,8 +60,8 @@ sub start_page {
     my $args;
     if (ref($brcrum) eq 'ARRAY') {
         $args = {bread_crumbs => $brcrum};
-        if ($bread_crumbs_component) {    
-            $args->{bread_crumbs_component} = $bread_crumbs_component;    
+        if ($bread_crumbs_component) {
+            $args->{bread_crumbs_component} = $bread_crumbs_component;
         }
     }
     if (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) {
@@ -104,7 +104,7 @@ sub start_page {
 
 sub end_page {
     my ($r)=@_;
-    $r->print(&Apache::loncommon::end_page());
+    $r->print('</div>'.&Apache::loncommon::end_page());
 }
 
 sub reservation_js {
@@ -284,7 +284,7 @@ function uncheckSlotRadio() {
     }
     if (slotpicks.length) {
         for (var i=0; i<slotpicks.length; i++) {
-            slotpicks[i].checked = false;  
+            slotpicks[i].checked = false;
         }
     }
 }
@@ -333,7 +333,7 @@ function toggleSlotMap(maprownum,rownum)
             for (var i=0; i<resrows.length; i++) {
                 resrows[i].style.display = rowdisplay;
                 if (rowdisplay == 'table-row') {
-                    mapbgidx ++;        
+                    mapbgidx ++;
                     var bgcolnew = mapbgidx % 2;
                     var bgcolold = (mapbgidx+1) % 2;
                     var k = i+parseInt(rownum)+1; 
@@ -368,7 +368,7 @@ function toggleSlotMap(maprownum,rownum)
                             if (table.rows[i].style.display != 'none') {
                                 idx ++;
                                 var bgcolnew = idx % 2;
-                                var bgcolold = (idx+1) % 2;  
+                                var bgcolold = (idx+1) % 2;
                                 j = i+1;
                                 if (document.getElementById('LC_slotmaprow_'+j)) {
                                     document.getElementById('LC_slotmaprow_'+j).className = rowclasses[bgcolnew];
@@ -412,7 +412,7 @@ sub get_course {
 
 sub get_reservation_ids {
     my ($slot_name)=@_;
-    
+
     my ($cnum,$cdom)=&get_course();
 
     my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
@@ -457,7 +457,7 @@ sub check_for_reservation {
 	|| &Apache::lonnet::error($course)
 	|| &Apache::lonnet::error(%slots)) {
 	return 'error: Unable to determine current status';
-    }    
+    }
     my @got;
     my @sorted_slots = &Apache::loncommon::sorted_slots(\@slots,\%slots,'starttime');
     foreach my $slot_name (@sorted_slots) {
@@ -592,7 +592,7 @@ sub make_reservation {
     foreach my $other_slot (split(/:/, $value)) {
 	if ($other_slot eq $slot_name) {
 	    my %consumed=&Apache::lonnet::dump('slot_reservations', $cdom,
-					       $cnum, "^$slot_name\0");   
+					       $cnum, "^$slot_name\0");
 	    if (&Apache::lonnet::error($value)) { 
 		return 'error: Unable to determine current status';
 	    }
@@ -618,14 +618,14 @@ sub make_reservation {
 	my $num=(split('\0',$id))[1];
 	if ($num > $last) { $last=$num; }
     }
-    
+
     my $wanted=$last+1;
     &Apache::lonxml::debug("wanted $wanted<br />");
     if (scalar(@ids) >= $max) {
 	# full up
 	return undef;
     }
-    
+
     my %reservation=('name'      => $env{'user.name'}.':'.$env{'user.domain'},
 		     'timestamp' => time,
 		     'symb'      => $symb_for_db);
@@ -704,7 +704,7 @@ sub remove_registration {
 
 sub remove_registration_user {
     my ($r) = @_;
-    
+
     my $slot_name = $env{'form.slotname'};
 
     my $name = &Apache::loncommon::plainname($env{'form.uname'},
@@ -714,7 +714,7 @@ sub remove_registration_user {
 
     my $msg = &mt('Remove [_1] from slot [_2] for [_3]',
 		  $name,$slot_name,$title);
-    
+
     &remove_registration_confirmation($r,$msg,['uname','udom','slotname',
 					       'entry','symb','context']);
 }
@@ -750,14 +750,14 @@ END_CONFIRM
 
 sub release_all_slot {
     my ($r,$mgr)=@_;
-    
+
     my $slot_name = $env{'form.slotname'};
 
     my ($cnum,$cdom)=&get_course();
 
     my %consumed=&Apache::lonnet::dump('slot_reservations',$cdom,$cnum,
 				       "^$slot_name\0");
-    
+
     $r->print('<p>'.&mt('Releasing reservations').'</p>');
 
     foreach my $entry (sort { $consumed{$a}{'name'} cmp 
@@ -801,7 +801,7 @@ sub release_slot {
     } else {
         $r->print("<p>$msg</p>");
     }
-    
+
     if ($mgr eq 'F') {
 	$r->print('<p><a href="/adm/slotrequest?command=showslots">'.
 		  &mt('Return to slot list').'</a></p>');
@@ -1166,7 +1166,7 @@ sub return_link {
     my $target = &return_target();
     if (($env{'form.command'} eq 'manageresv') || ($env{'form.context'} eq 'usermanage')) {
 	$r->print('<p><a href="/adm/slotrequest?command=manageresv" target="'.$target.'">'.
-                  &mt('Return to reservations').'</a></p>');  
+                  &mt('Return to reservations').'</a></p>'); 
     } else {
         $r->print('<p><a href="/adm/flip?postdata=return:" target="'.$target.'">'.
 	          &mt('Return to last resource').'</a></p>');
@@ -1340,7 +1340,7 @@ sub allowed_slot {
     if (($slot->{'endreserve'}) &&
         ($slot->{'endreserve'} < time)) {
         return 0;
-    }    
+    }
     &Apache::lonxml::debug("$slot_name reserve good");
 
     my $userallowed=0;
@@ -1473,7 +1473,7 @@ sub show_choices {
             }
         }
         my $showfilter = 'none';
-        $output .= '<fieldset><legend>'.&mt('Actions').'</legend>'."\n".
+        $output .= '<fieldset><legend>'.&mt('Actions').':</legend>'."\n".
                    '<form method="post" name="reservationdisplay_'.$num.
                    '" action="" onsubmit="toggleSlotDisplay(this.form,'."'$num'".');">';
         my @options = ('all','filter');
@@ -1487,7 +1487,7 @@ sub show_choices {
                      );
         foreach my $option (@options) {
             my $onclick = "toggleSlotDisplay(this.form,'$num');";
-            if (($option eq 'show') && ($env{'form.command'} eq 'manageresv')) {  
+            if (($option eq 'show') && ($env{'form.command'} eq 'manageresv')) {
                 $onclick .= "currSlotDisplay$num(this.form,'$num');"; 
             }
             $output .= '<span class="LC_nobreak"><label>'.
@@ -1507,7 +1507,7 @@ sub show_choices {
 // <![CDATA[
 function currSlotDisplay$num() {
     var currslot = new Array($numreserved);
-$js    
+$js
     for (var j=0; j<$numreserved; j++) {
         if (document.getElementById('LC_slotrow_$num\_'+currslot[j])) {
             document.getElementById('LC_slotrow_$num\_'+currslot[j]).style.display = '';
@@ -1670,7 +1670,7 @@ sub to_show {
 	}
 	return 0;
     }
-    
+
     return 1;
 }
 
@@ -1730,7 +1730,7 @@ sub show_table {
         );
         return;
     }
-    
+
     my %Saveable_Parameters = ('show'              => 'array',
 			       'when'              => 'scalar',
 			       'order'             => 'scalar',
@@ -1820,7 +1820,7 @@ sub show_table {
     my $name_filter = {'type'  => $name_filter_type,
 		       'value' => $env{'form.name_filter_value'},};
 
-    
+
     #deleted slot filtering
     #default to hide if no value
     $env{'form.deleted'} ||= 'hide';
@@ -1833,40 +1833,36 @@ sub show_table {
 <input type="hidden" name="command" value="showslots" />');
     $r->print('<div>');
     $r->print('<table class="inline">
-      <tr><th>'.&mt('Show').'</th>
-          <th>'.&mt('Student Display').'</th>
-          <th>'.&mt('Open').'</th>
-          <th>'.&mt('Slot Name Filter').'</th>
+      <tr><th><label for="show">'.&mt('Show').'</label></th>
+          <th><label for="studisplay">'.&mt('Student Display').'</label></th>
+          <th><label for="when">'.&mt('Open').'</label></th>
+          <th><label for="name_filter_type">'.&mt('Slot Name Filter').'</label></th>
           <th>'.&mt('Options').'</th>
       </tr>
-      <tr><td valign="top">'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order).
+      <tr><td valign="top">'.&Apache::loncommon::multiple_select_form('show',\@show,6,\%show_fields,\@show_order,'show').
 	      '</td>
            <td valign="top">
          '.&Apache::loncommon::multiple_select_form('studisplay',\@stu_display,
 						    6,\%stu_display_fields,
-						    \@stu_display_order).'
+						    \@stu_display_order,'studisplay').'
            </td>
-           <td valign="top">'.&Apache::loncommon::select_form($when,'when',\%when_fields).
+           <td valign="top">'.&Apache::loncommon::select_form($when,'when',\%when_fields,'','','when').
           '</td>
-           <td valign="top">'.&Apache::loncommon::select_form($name_filter_type,
+           <td valign="top"><span class="LC_nobreak">'.&Apache::loncommon::select_form($name_filter_type,
 						 'name_filter_type',
-						 \%name_filter_type_fields).
-	      '<br />'.
+						 \%name_filter_type_fields,'','','name_filter_type').
+	      '&nbsp;'.
 	      &Apache::lonhtmlcommon::textbox('name_filter_value',
 					      $env{'form.name_filter_value'},
-					      15).
-          '</td>
+					      15,'aria-label="'.&mt('Name filter').'"').
+          '</span></td>
            <td valign="top">
-            <table>
-              <tr>
-                <td rowspan="2">'.&mt('Deleted slots:').'</td>
-                <td><label>'.$show_radio.&mt('Show').'</label></td>
-              </tr>
-              <tr>
-                <td><label>'.$hide_radio.&mt('Hide').'</label></td>
-              </tr>
-            </table>
-	  </td>
+             <fieldset class="LC_delete_slot">
+              <legend>'.&mt('Deleted slots').'</legend>
+               <span class="LC_nobreak"><label>'.$show_radio.&mt('Show').'</label>&nbsp;&nbsp;&nbsp;
+               <label>'.$hide_radio.&mt('Hide').'</label></span>
+             </fieldset>
+	   </td>
        </tr>
     </table>');
     $r->print('</div>');
@@ -1874,7 +1870,7 @@ sub show_table {
     my $linkstart='<a href="/adm/slotrequest?command=showslots&amp;order=';
     my $tableheader = &Apache::loncommon::start_data_table().
 	              &Apache::loncommon::start_data_table_header_row().'
-	              <th></th>';
+	              <th><span class="LC_visually_hidden">'.&mt('Action').'</span></th>';
     foreach my $which (@show_order) {
 	if ($which ne 'proctor' && exists($show{$which})) {
 	    $tableheader .= '<th>'.$linkstart.$which.'">'.$show_fields{$which}.'</a></th>';
@@ -1900,7 +1896,7 @@ sub show_table {
 		return lc($a) cmp lc($b);
 	    }
 	} elsif ($env{'form.order'} eq 'uniqueperiod') {
-	    
+
 	    if ($slots{$a}->{'uniqueperiod'}[0] 
 		ne $slots{$b}->{'uniqueperiod'}[0]) {
 		return ($slots{$a}->{'uniqueperiod'}[0]
@@ -1934,7 +1930,7 @@ sub show_table {
 	}
 	my $description=&get_description($slot,$slots{$slot});
 	my ($id_count,$ids);
-	    
+
 	if (exists($show{'scheduled'}) || exists($show{'space'}) ) {
 	    my $re_str = "$slot\0";
 	    my @this_slot = grep(/^\Q$re_str\E/,keys(%consumed));
@@ -2041,11 +2037,11 @@ sub show_table {
         my ($edit,$delete,$showlog,$remove_all);
         if ($mgr) {
 	    $edit=(<<"EDITLINK");
-<a href="/adm/helper/newslot.helper?name=$slot">$lt{'edit'}</a>
+<p class="LC_medium_line"><a href="/adm/helper/newslot.helper?name=$slot">$lt{'edit'}</a></p>
 EDITLINK
 
 	    $delete=(<<"DELETELINK");
-<a href="/adm/slotrequest?command=delete&amp;slotname=$slot">$lt{'delete'}</a>
+<p class="LC_medium_line"><a href="/adm/slotrequest?command=delete&amp;slotname=$slot">$lt{'delete'}</a></p>
 DELETELINK
 
             $remove_all=&remove_link($slot,'remove all').'<br />';
@@ -2058,7 +2054,7 @@ DELETELINK
         }
 
         $showlog=(<<"LOGLINK");
-<a href="/adm/slotrequest?command=slotlog&amp;slotname=$slot">$lt{'slotlog'}</a>
+<p class="LC_medium_line"><a href="/adm/slotrequest?command=slotlog&amp;slotname=$slot">$lt{'slotlog'}</a></p>
 LOGLINK
 
 	if ($slots{$slot}{'type'} ne 'schedulable_student') {
@@ -2298,7 +2294,10 @@ sub manage_reservations {
     my $slotheader = '<p>'.
                  &mt('Your reservation status for any such assignments is listed below:').
                  '</p>'.
-                 '<table class="LC_data_table LC_tableOfContent" id="LC_slot_reservations">'."\n";
+                 '<table class="LC_data_table LC_tableOfContent" id="LC_slot_reservations">'."\n".
+                 '<tr class="LC_visually_hidden">'.
+                 '<th>'.&mt('Resource or Folder').'</th>'.
+                 '<th colspan="2">'.&mt('Reservation Status').'</th></tr>'."\n";
     my $shownheader = 0;
     my $currmap;
     my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
@@ -2332,8 +2331,8 @@ sub manage_reservations {
                             $arrowstate = 'closed';
                         }
                         $row .= '<td>'.$spacers.'<img src="/adm/lonIcons/arrow.'.$arrowstate.'.gif" '.
-                                'id="arrow'.$mapnum.'" '.'alt="arrow" onmouseover="this.style.cursor=\'pointer\'" '.
-                                'onclick="'."toggleSlotMap('$mapnum','$rownum');".'" />'.
+                                'id="arrow'.$mapnum.'" '.'alt="arrow" onmouseover="this.style.cursor=\'pointer\'" tabindex="0" '.
+                                'onclick="'."toggleSlotMap('$mapnum','$rownum');".'" onkeydown="'."toggleSlotMap('$mapnum','$rownum');".'" />'.
                                 $icon.('&nbsp;' x6).'</td>'."\n";
                         if (ref($output{$currmap}) eq 'HASH') {
                             my $formnum = $mapnum.'_'.$reservable+1;
@@ -2374,7 +2373,7 @@ sub manage_reservations {
                 $container{$currcontainer} = $resource;
                 $container_title{$currcontainer} = $resource->compTitle();
             }
-            if (($resource->is_problem() || $resource->is_tool)) {
+            if ($resource->is_problem() || $resource->is_tool()) {
                 next unless (exists($output{$symb}));
                 $reservable ++;
                 $rownum ++;
@@ -2488,7 +2487,7 @@ sub slot_chooser {
                                         }
                                     }
                                 }
-                                next if ($exclude);   
+                                next if ($exclude);
                             }
                         }
                     }
@@ -2914,11 +2913,19 @@ sub display_filter {
     my ($formname,$cdom,$cnum,$curr,$version,$allsymbs) = @_;
     my $nolink = 1;
     my (%titles,%maptitles);
-    my $output = '<br /><table><tr><td valign="top">'.
-                 '<span class="LC_nobreak"><b>'.&mt('Changes/page:').'</b><br />'.
-                 &Apache::lonmeta::selectbox('show',$curr->{'show'},'',undef,
-                                              (&mt('all'),5,10,20,50,100,1000,10000)).
-                 '</td><td>&nbsp;&nbsp;</td>';
+    my $output = '<br /><table><tr><th class="LC_log_filter">'.
+                 '<span class="LC_nobreak"><label for="show">'.&mt('Changes/page:').'</label></span></th>'.
+                 '<th class="LC_log_filter">'.&mt('Window during which changes occurred:').'</th>';
+    if (ref($allsymbs) eq 'ARRAY') {
+        $output.= '<th class="LC_log_filter"><label for="resource">'.&mt('Resource').'</label></th>'.
+                  '<th class="LC_log_filter"><label for="chgcontext">'.&mt('Context').'</label></th>';
+    } else {
+        $output.= '<th class="LC_log_filter"><label for="action">'.&mt('Action').'</label></th>';
+    }
+    $output .= '</tr><tr><td class="LC_log_filter">'.
+               &Apache::lonmeta::selectbox('show',$curr->{'show'},'','show',undef,
+                                           (&mt('all'),5,10,20,50,100,1000,10000)).
+               '</td>';
     my $startform =
         &Apache::lonhtmlcommon::date_setter($formname,'log_start_date',
                                             $curr->{'log_start_date'},undef,
@@ -2929,13 +2936,13 @@ sub display_filter {
                                             undef,undef,undef,undef,undef,undef,$nolink);
     my $crstype = &Apache::loncommon::course_type();
     my %lt = &reservationlog_contexts($crstype);
-    $output .= '<td valign="top"><b>'.&mt('Window during which changes occurred:').
-               '</b><br /><table><tr><td>'.&mt('After:').
-               '</td><td>'.$startform.'</td></tr><tr><td>'.&mt('Before:').'</td><td>'.
-               $endform.'</td></tr></table></td><td>&nbsp;&nbsp;</td>';
+    $output .= '<td class="LC_log_filter"><table><tr><th>'.&mt('After:').'</th>'.
+               '<td>'.$startform.'</td></tr>'.
+               '<tr><th>'.&mt('Before:').'</th>'.
+               '<td>'.$endform.'</td></tr></table>'.
+               '</td>';
     if (ref($allsymbs) eq 'ARRAY') {
-        $output .= '<td valign="top"><b>'.&mt('Resource').'</b><br />'.
-                   '<select name="resource"><option value="any"';
+        $output .= '<td class="LC_log_filter"><select name="resource" id="resource"><option value="any"';
         if ($curr->{'resource'} eq 'any') {
             $output .= ' selected="selected"';
         }
@@ -2948,8 +2955,8 @@ sub display_filter {
             }
             $output .= '  <option value="'.$symb.'"'.$selstr.'>'.$title.'</option>';
         }
-        $output .= '</select></td><td>&nbsp;&nbsp;</td><td valign="top"><b>'.
-                   &mt('Context:').'</b><br /><select name="chgcontext">';
+        $output .= '</select></td>'.
+                   '<td class="LC_log_filter"><select name="chgcontext" id="chgcontext">';
         foreach my $chgtype ('any','user','manage','parameter') {
             my $selstr = '';
             if ($curr->{'chgcontext'} eq $chgtype) {
@@ -2959,8 +2966,7 @@ sub display_filter {
         }
         $output .= '</select></td>';
     } else {
-        $output .= '<td valign="top"><b>'.&mt('Action').'</b><br />'.
-                   '<select name="action"><option value="any"';
+        $output .= '<td class="LC_log_filter"><select name="action" id="action"><option value="any"';
         if ($curr->{'action'} eq 'any') {
             $output .= ' selected="selected"';
         }
@@ -2974,7 +2980,7 @@ sub display_filter {
         }
         $output .= '</select></td>';
     }
-    $output .= '<td>&nbsp;&nbsp;</td></tr></table>'.
+    $output .= '</tr></table>'.
                '<p><input type="submit" value="'.
                &mt('Update Display').'" /></p>'.
                '<p class="LC_info">'.
@@ -3024,15 +3030,15 @@ sub slot_change_messaging {
 }
 
 sub upload_start {
-    my ($r)=@_;    
+    my ($r)=@_;
     $r->print(
         &Apache::grades::checkforfile_js()
-       .'<h2>'.&mt('Upload a file containing the slot definitions').'</h2>'
+       .'<h2 class="LC_heading_2">'.&mt('Upload a file containing the slot definitions').'</h2>'
        .'<form method="post" enctype="multipart/form-data"'
        .' action="/adm/slotrequest" name="slotupload">'
        .'<input type="hidden" name="command" value="csvuploadmap" />'
        .&Apache::lonhtmlcommon::start_pick_box()
-       .&Apache::lonhtmlcommon::row_title(&mt('File'))
+       .&Apache::lonhtmlcommon::row_title('<label for="upfile">'.&mt('File').'</label>')
        .&Apache::loncommon::upfile_select_html()
        .&Apache::lonhtmlcommon::row_closure()
        .&Apache::lonhtmlcommon::row_title(
@@ -3065,7 +3071,7 @@ sub csvuploadmap_header {
 
     $r->print(
         '<form method="post" enctype="multipart/form-data" action="/adm/slotrequest" name="slotupload">'
-       .'<h2>'.&mt('Identify fields in uploaded list').'</h2>'
+       .'<h2 class="LC_heading_2">'.&mt('Identify fields in uploaded list').'</h2>'
        .'<div class="LC_columnSection">'
        .&Apache::loncommon::help_open_topic(
             'Slot About',&mt('Help on slots'))
@@ -3477,7 +3483,7 @@ sub handler {
         if (ref($brcrum) eq 'ARRAY') {
             push(@{$brcrum},{href=>"/adm/slotrequest?command=showresv",text=>$title});
         }
-    } elsif (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) {  
+    } elsif (($env{'form.requestattempt'}) || ($env{'form.command'} eq 'manageresv')) {
         if ($env{'form.command'} eq 'manageresv') {
             $title = 'Manage Reservations';
             $brcrum =[{href=>"/adm/slotrequest?command=manageresv",text=>$title}];
@@ -3520,6 +3526,7 @@ sub handler {
         $js = &reservation_js(\%slots,$consumed_uniqueperiods,$available,$got_slots,$symb);
     }
     &start_page($r,$title,$brcrum,$bread_crumbs_component,$js,$mgr);
+    $r->print('<div class="LC_landmark" role="main">'."\n");
 
     if ($env{'form.command'} eq 'manageresv') {
         $allavailable = $available;