--- loncom/interface/loncommon.pm	2022/12/31 14:08:58	1.1400
+++ loncom/interface/loncommon.pm	2023/06/10 23:55:36	1.1406
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.1400 2022/12/31 14:08:58 raeburn Exp $
+# $Id: loncommon.pm,v 1.1406 2023/06/10 23:55:36 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1851,7 +1851,7 @@ sub colorfuleditor_js {
                     if (document.getElementById('crsres_include_'+element)) {
                         include = document.getElementById('crsres_include_'+element).value;
                     }
-                    populateCrsSelects(form,dirsel,filesel,1,include,1,0,1,1);
+                    populateCrsSelects(form,dirsel,filesel,1,include,1,0,1,1,0);
                 }
             }
             if (document.getElementById('chooser_'+element+'_upload')) {
@@ -1859,7 +1859,7 @@ sub colorfuleditor_js {
                 if (currcrsupload == 'none') {
                     dirsel = 'crsauthorpath_'+element;
                     filesel = '';
-                    populateCrsSelects(form,dirsel,filesel,0,'',1,0,1,0);
+                    populateCrsSelects(form,dirsel,filesel,0,'',1,0,1,0,1);
                 }
             }
         }
@@ -1874,6 +1874,16 @@ sub colorfuleditor_js {
                     if (document.getElementById('coursepath_'+element).length) {
                         numdirs = document.getElementById('coursepath_'+element).length;
                     }
+                    if ((document.getElementById('hascrsres_'+element)) &&
+                        (document.getElementById('nocrsres_'+element))) {
+                        if (numdirs) {
+                            document.getElementById('hascrsres_'+element).style.display='inline-block';
+                            document.getElementById('nocrsres_'+element).style.display='none';
+                        } else {
+                            document.getElementById('hascrsres_'+element).style.display='none';
+                            document.getElementById('nocrsres_'+element).style.display='inline-block';
+                        }
+                    }
                     form.elements['coursepath_'+element].selectedIndex = 0;
                     if (numdirs > 1) {
                         var selelem = form.elements['coursefile_'+element];
@@ -2266,7 +2276,7 @@ sub import_crsauthor_form {
     return (0) unless (($cnum ne '') && ($cdom ne ''));
     my @ids=&Apache::lonnet::current_machine_ids();
     my ($output,$is_home,$toppath,%subdirs,%files,%selimport_menus,$include,$exclude);
-    
+
     if (grep(/^\Q$crshome\E$/,@ids)) {
         $is_home = 1;
     }
@@ -2278,25 +2288,29 @@ sub import_crsauthor_form {
         $js_only = join(',',map { &js_escape($_); } sort(keys(%{$include})));
     }
     $exclude = &Apache::lonnet::priv_exclude();
-    &Apache::lonnet::recursedirs($is_home,1,$include,$exclude,1,$toppath,'',\%subdirs,\%files);
+    &Apache::lonnet::recursedirs($is_home,1,$include,$exclude,1,0,$toppath,'',\%subdirs,\%files);
     my $numdirs = scalar(keys(%files));
     my %lt = &Apache::lonlocal::texthash (
         fnam => 'Filename',
         dire => 'Directory',
         se   => 'Select',
     );
-    $output = $lt{'dire'}.
+    $output = $lt{'dire'}.': '.
               '<select id="'.$firstselectname.'" name="'.$firstselectname.'" '.
-              'onchange="populateCrsSelects(this.form,'."'$firstselectname','$secondselectname',1,'$js_only',0,1,0,0".');">'.
+              'onchange="populateCrsSelects(this.form,'."'$firstselectname','$secondselectname',1,'$js_only',0,1,0,0,0".');">'.
               '<option value="" selected="selected">'.$lt{'se'}.'</option>';
+    if ($files{'/'}) {
+        $output .= '<option value="/">/</option>'."\n";
+    }
     foreach my $key (sort { lc($a) cmp lc($b) } (keys(%files))) {
+        next if ($key eq '/');
         $output .= '<option value="'.$key.'">'.$key.'</option>'."\n";
     }
     $output .= '</select><br />'."\n".
-               $lt{'fnam'}.'<select id="'.$secondselectname.'" name="'.$secondselectname.'">'."\n".
+               $lt{'fnam'}.':&nbsp;<select id="'.$secondselectname.'" name="'.$secondselectname.'">'."\n".
                '<option value="" selected="selected"></option>'."\n".
-               '</select>'."\n";
-    $output .= '<input type="hidden" id="crsres_include_'.$suffix.'" value="'.$only.'" />';
+               '</select>'."\n".
+               '<input type="hidden" id="crsres_include_'.$suffix.'" value="'.$only.'" />';
     return ($numdirs,$output);
 }
 
@@ -2310,7 +2324,7 @@ sub show_crsfiles_js {
     my $js = <<"END";
 
 
-    function populateCrsSelects (form,dirsel,filesel,exc,include,setdir,setfile,recurse,nonemptydir) {
+    function populateCrsSelects (form,dirsel,filesel,exc,include,setdir,setfile,recurse,nonemptydir,addtopdir) {
         var relpath = '';
         if ((setfile) && (dirsel != null) && (dirsel != 'undefined') && (dirsel != '')) {
             var currdir = form.elements[dirsel].options[form.elements[dirsel].selectedIndex].value;
@@ -2340,7 +2354,7 @@ sub show_crsfiles_js {
         if (exc) {
             exclude = '$exclude';
         }
-        var params = "role=course&files=1&rec="+recurse+"&nonempty="+nonemptydir+"&exc="+exclude+"&inc="+include+"&path="+relpath;
+        var params = "role=course&files=1&rec="+recurse+"&nonempty="+nonemptydir+"&exc="+exclude+"&inc="+include+"&addtop="+addtopdir+"&path="+relpath;
         http.open("POST", url, true);
         http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
         http.onreadystatechange = function() {
@@ -2358,11 +2372,7 @@ sub show_crsfiles_js {
                         }
                         var len = data.dirs.length;
                         if (len) {
-                            if (len > 1) {
-                                selelem.options[selelem.options.length] = new Option('$se','');
-                            }
-                        }
-                        if (len) {
+                            selelem.options[selelem.options.length] = new Option('$se','');
                             var j;
                             for (j = 0; j < len; j++) {
                                 selelem.options[selelem.options.length] = new Option(data.dirs[j],data.dirs[j]);
@@ -2771,7 +2781,7 @@ sub display_filter {
     my $onchange = "javascript:toggleHistoryOptions(this,'containingphrase','$context',
                                                     '$secondid','$thirdid')";
     return '<span class="LC_nobreak"><label>'.&mt('Records: [_1]',
-			       &Apache::lonmeta::selectbox('show',$env{'form.show'},undef,
+			       &Apache::lonmeta::selectbox('show',$env{'form.show'},'',undef,
 							   (&mt('all'),10,20,50,100,1000,10000))).
 	   '</label></span> <span class="LC_nobreak">'.
            &mt('Filter: [_1]',
@@ -6366,7 +6376,7 @@ Returns: HTML div with CSTR path and rec
 =cut
 
 sub CSTR_pageheader {
-    my ($trailfile,$frameset) = @_;
+    my ($trailfile,$frameset,$title,$diraction) = @_;
     if ($trailfile eq '') {
         $trailfile = $env{'request.filename'};
     }
@@ -6389,13 +6399,15 @@ sub CSTR_pageheader {
         $lastitem = $thisdisfn;
     }
 
-    my ($crsauthor,$title);
+    my $crsauthor;
     if (($env{'request.course.id'}) &&
         ($env{'course.'.$env{'request.course.id'}.'.num'} eq $uname) &&
         ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom)) {
         $crsauthor = 1;
-        $title = &mt('Course Authoring Space');
-    } else {
+        if ($title eq '') {
+            $title = &mt('Course Authoring Space');
+        }
+    } elsif ($title eq '') {
         $title = &mt('Authoring Space');
     }
 
@@ -6412,7 +6424,7 @@ sub CSTR_pageheader {
     }
 
     my $output =
-         '<div>'
+         '<div style="display:inline-block">'
         .&Apache::loncommon::help_open_menu('','',3,'Authoring') #FIXME: Broken? Where is it?
         .'<b>'.$title.'</b> '
         .'<form name="dirs" method="post" action="'.$formaction.'"'.$target.'>'
@@ -6435,7 +6447,7 @@ sub CSTR_pageheader {
             .'</form>'
             .&Apache::lonmenu::constspaceform($frameset);
     }
-    $output .= '</div>';
+    $output .= '</div>'.$diraction;
 
     return $output;
 }
@@ -8150,6 +8162,11 @@ fieldset {
   /* overflow: hidden; */
 }
 
+fieldset#LC_selectuser {
+    margin: 0;
+    padding: 0;
+}
+
 article.geogebraweb div {
     margin: 0;
 }
@@ -9749,6 +9766,50 @@ sub symb_from_tinyurl {
     }
 }
 
+sub usable_exttools {
+    my %tooltypes;
+    if ($env{'request.course.id'}) {
+        if ($env{'course.'.$env{'request.course.id'}.'.internal.exttool'}) {
+           if ($env{'course.'.$env{'request.course.id'}.'.internal.exttool'} eq 'both') {
+               %tooltypes = (
+                             crs => 1,
+                             dom => 1,
+                            );
+           } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.exttool'} eq 'crs') {
+               $tooltypes{'crs'} = 1;
+           } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.exttool'} eq 'dom') {
+               $tooltypes{'dom'} = 1;
+           }
+        } else {
+            my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+            my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+            my $crstype = lc($env{'course.'.$env{'request.course.id'}.'.type'});
+            if ($crstype eq '') {
+                $crstype = 'course';
+            }
+            if ($crstype eq 'course') {
+                if ($env{'course.'.$env{'request.course.id'}.'internal.coursecode'}) {
+                    $crstype = 'official';
+                } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) {
+                    $crstype = 'textbook';
+                } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.lti'}) {
+                    $crstype = 'lti';
+                } else {
+                    $crstype = 'unofficial';
+                }
+            }
+            my %domdefaults = &Apache::lonnet::get_domain_defaults($cdom);
+            if ($domdefaults{$crstype.'domexttool'}) {
+                $tooltypes{'dom'} = 1;
+            }
+            if ($domdefaults{$crstype.'exttool'}) {
+                $tooltypes{'crs'} = 1;
+            }
+        }
+    }
+    return %tooltypes;
+}
+
 sub wishlist_window {
     return(<<'ENDWISHLIST');
 <script type="text/javascript">
@@ -18599,8 +18660,10 @@ sub parse_supplemental_title {
         my $name =  &plainname($uname,$udom);
         $name = &HTML::Entities::encode($name,'"<>&\'');
         $renametitle = &HTML::Entities::encode($renametitle,'"<>&\'');
-        $title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.
-            $name.': <br />'.$foldertitle;
+        $title='<i>'.&Apache::lonlocal::locallocaltime($time).'</i> '.$name;
+        if ($foldertitle ne '') {
+            $title .= ': <br />'.$foldertitle;
+        }
     }
     if (wantarray) {
         return ($title,$foldertitle,$renametitle);