--- loncom/interface/londocs.pm	2007/07/14 00:10:13	1.292
+++ loncom/interface/londocs.pm	2008/12/21 16:15:39	1.314.2.4
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.292 2007/07/14 00:10:13 albertel Exp $
+# $Id: londocs.pm,v 1.314.2.4 2008/12/21 16:15:39 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -228,11 +228,19 @@ sub dumpcourse {
 	my $title=$origcrsdata{'description'};
 	$title=~s/[\/\s]+/\_/gs;
 	$title=&clean($title);
-	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3><input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
+	$r->print('<h3>'.&mt('Folder in Construction Space').'</h3>'
+                 .'<input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
 	&tiehash();
-	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3><table border="2"><tr><th>'.&mt('Internal Filename').'</th><th>'.&mt('Title').'</th><th>'.&mt('Save as ...').'</th></tr>');
+	$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3>'
+                 .&Apache::loncommon::start_data_table()
+                 .&Apache::loncommon::start_data_table_header_row()
+                 .'<th>'.&mt('Internal Filename').'</th>'
+                 .'<th>'.&mt('Title').'</th>'
+                 .'<th>'.&mt('Save as ...').'</th>'
+                 .&Apache::loncommon::end_data_table_header_row());
 	foreach (&Apache::lonclonecourse::crsdirlist($origcrsid,'userfiles')) {
-	    $r->print('<tr><td>'.$_.'</td>');
+	    $r->print(&Apache::loncommon::start_data_table_row()
+                     .'<td>'.$_.'</td>');
 	    my ($ext)=($_=~/\.(\w+)$/);
 	    my $title=$hash{'title_'.$hash{
 		'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}};
@@ -245,12 +253,13 @@ sub dumpcourse {
 	    $title=~s/\.(\w+)$//;
 	    $title=&clean($title);
 	    $title.='.'.$ext;
-	    $r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td></tr>\n");
+	    $r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td>"
+                     .&Apache::loncommon::end_data_table_row());
 	}
-	$r->print("</table>\n");
+	$r->print(&Apache::loncommon::end_data_table());
 	&untiehash();
 	$r->print(
-  '<p><input type="submit" name="dumpcourse" value="'.&mt('Dump [_1] DOCS',$type).'" /></p></form>');
+  '<p><input type="submit" name="dumpcourse" value="'.&mt("Dump $type DOCS").'" /></p></form>');
     }
 }
 
@@ -271,6 +280,15 @@ sub exportcourse {
                                                $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
     my $numdisc = keys %discussiontime;
     my $navmap = Apache::lonnavmaps::navmap->new();
+    if (!defined($navmap)) {
+        $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package').
+                  '<h2>IMS Export Failed</h2>'.
+                  '<div class="LC_error">'.
+                  &mt('Unable to retrieve information about course contents').
+                  '</div><a href="/adm/coursedocs">'.&mt('Return to Course Editor').'</a>');
+        &Apache::lonnet::logthis('IMS export failed - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
+        return;
+    }
     my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
     my $curRes;
     my $outcome;
@@ -309,10 +327,10 @@ sub exportcourse {
                 chdir $cwd;
                 $outcome .= &mt('Download the zip file from <a href="[_1]">IMS '.lc($type).' archive</a><br />',$imszipfile,);
                 if ($copyresult) {
-                    $outcome .= 'The following errors occurred during export - '.$copyresult;
+                    $outcome .= &mt('The following errors occurred during export - [_1]',$copyresult);
                 }
             } else {
-                $outcome = '<br />Unfortunately you will not be able to retrieve an IMS archive of this posts at this time, because there was a problem creating a manifest file.<br />';
+                $outcome = '<br />'.&mt('Unfortunately you will not be able to retrieve an IMS archive of this posts at this time, because there was a problem creating a manifest file.').'<br />';
             }
         }
         $r->print(&Apache::loncommon::start_page('Export '.lc($type).' to IMS content package'));
@@ -462,8 +480,7 @@ function containerCheck(item) {
 	$r->print($display.'</table>'.
                   '<p><input type="hidden" name="finishexport" value="1">'.
                   '<input type="submit" name="exportcourse" value="'.
-                  &mt('Export '.$type.' DOCS').'" /></p></form>'.
-		  &Apache::loncommon::end_page());
+                  &mt('Export '.$type.' DOCS').'" /></p></form>');
     }
 }
 
@@ -818,7 +835,7 @@ sub extract_media {
         $dirpath = $url;
         $container = '';
     }
-    &Apache::lonnet::extract_embedded_items(undef,undef,\%allfiles,\%codebase,$content);
+    &Apache::lonnet::extract_embedded_items(undef,\%allfiles,\%codebase,$content);
     foreach my $embed_file (keys(%allfiles)) {
         my $filename;
         if ($embed_file =~ m#([^/]+)$#) {
@@ -924,7 +941,7 @@ sub group_import {
             my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
                                                 'output',$1.$2);
             if ($result != m|^/uploaded/|) {
-                $errtext.='Map not saved: A network error occured when trying to save the new map. ';
+                $errtext.='Map not saved: A network error occurred when trying to save the new map. ';
                 $fatal = 2;
             }
             if ($fatal) {
@@ -949,7 +966,7 @@ sub group_import {
 }
 
 sub breadcrumbs {
-    my ($where)=@_;
+    my ($where,$allowed,$type)=@_;
     &Apache::lonhtmlcommon::clear_breadcrumbs();
     my (@folders);
     if ($env{'form.pagepath'}) {
@@ -963,23 +980,32 @@ sub breadcrumbs {
     my $randompick=-1;
     my $isencrypted=0;
     my $ishidden=0;
+    my $is_random_order=0;
     while (@folders) {
 	my $folder=shift(@folders);
-	my $foldername=shift(@folders);
+    	my $foldername=shift(@folders);
 	if ($folderpath) {$folderpath.='&';}
 	$folderpath.=$folder.'&'.$foldername;
 	my $url='/adm/coursedocs?folderpath='.
 	    &escape($folderpath);
-            my $name=&unescape($foldername);
-# randompick number, hidden, encrypted is appended with ":"s to the foldername	
-            $name=~s/\:(\d*)\:(\w*)\:(\w*)$//;
-            if ($1 ne '') { 
+	    my $name=&unescape($foldername);
+# randompick number, hidden, encrypted, random order, is appended with ":"s to the foldername	
+ 	    $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)$//;
+	    if ($1 ne '') { 
                $randompick=$1;
             } else {
                $randompick=-1;
             }
             if ($2) { $ishidden=1; }
             if ($3) { $isencrypted=1; }
+	    if ($4 ne '') { $is_random_order = 1; }
+            if ($folder eq 'supplemental') {
+                if ($allowed) {
+                    $name = &mt('Supplemental '.$type.' Documents');
+                } else {
+                    $name = &mt($type.' Documents');
+                }
+            }
 	    &Apache::lonhtmlcommon::add_breadcrumb(
 		      {'href'=>$url.$cpinfo,
 		       'title'=>$name,
@@ -991,7 +1017,7 @@ sub breadcrumbs {
     }
     $plain=~s/\&gt\;\s*$//;
     return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
-					       'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain);
+					       'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain,$is_random_order);
 }
 
 sub log_docs {
@@ -1082,6 +1108,7 @@ sub docs_change_log {
     my %lt=('hiddenresource' => 'Resources hidden',
 	    'encrypturl'     => 'URL hidden',
 	    'randompick'     => 'Randomly pick',
+	    'randomorder'    => 'Randomly ordered',
 	    'set'            => 'set to',
 	    'del'            => 'deleted');
     $r->print(&Apache::loncommon::display_filter().
@@ -1164,7 +1191,7 @@ sub docs_change_log {
 	$r->print('</ul>');
 	if ($docslog{$id}{'logentry'}{'parameter_res'}) {
 	    $r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':<ul>');
-	    foreach my $parameter ('randompick','hiddenresource','encrypturl') {
+	    foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
 		if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
 		    $r->print('<li>'.
 			      &mt($lt{$parameter}.' '.$lt{$docslog{$id}{'logentry'}{'parameter_action_'.$parameter}}.' [_1]',
@@ -1198,12 +1225,15 @@ sub update_paste_buffer {
 # Mark for copying
     my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
     if (&is_supplemental_title($title)) {
+        &Apache::lonnet::appenv({'docs.markedcopy_supplemental' => $title});
 	($title) = &parse_supplemental_title($title);
+    } elsif ($env{'docs.markedcopy_supplemental'}) {
+        &Apache::lonnet::delenv('docs\\.markedcopy_supplemental');
     }
     $url=~s{http(&colon;|:)//https(&colon;|:)//}{https$2//};
 
-    &Apache::lonnet::appenv('docs.markedcopy_title' => $title,
-			    'docs.markedcopy_url'   => $url);
+    &Apache::lonnet::appenv({'docs.markedcopy_title' => $title,
+			    'docs.markedcopy_url'   => $url});
     delete($env{'form.markcopy'});
 }
 
@@ -1224,9 +1254,13 @@ ENDPASTE
 		  &LONCAPA::map::qtescape($env{'docs.markedcopy_url'}).')');
     }  else {
 	my $extension = (split(/\./,$env{'docs.markedcopy_url'}))[-1];
-	my $type = &Apache::loncommon::filedescription($extension);
-	my $icon = '<img src="'.&Apache::loncommon::icon($extension).
-	    '" alt="" class="LC_icon" />';
+	my $icon = &Apache::loncommon::icon($extension);
+	if ($extension eq 'sequence' &&
+	    $env{'docs.markedcopy_url'} =~ m{/default_\d+\.sequence$ }x) {
+	    $icon = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
+	    $icon .= '/folder_closed.gif';
+	}
+	$icon = '<img src="'.$icon.'" alt="" class="LC_icon" />';
 	$r->print($icon.$type.': '.  &parse_supplemental_title(&LONCAPA::map::qtescape($env{'docs.markedcopy_title'})));
     }
     if ($container eq 'page') {
@@ -1243,7 +1277,7 @@ ENDPASTE
 }
 
 sub do_paste_from_buffer {
-    my ($coursenum,$coursedom) = @_;
+    my ($coursenum,$coursedom,$folder) = @_;
 
     return 0 if (!$env{'form.pastemarked'});
 
@@ -1253,9 +1287,33 @@ sub do_paste_from_buffer {
 # Maps need to be copied first
     if (($url=~/\.(page|sequence)$/) && ($url=~/^\/uploaded\//)) {
 	$title=&mt('Copy of').' '.$title;
-	my $newid=$$.time;
-	$url=~/^(.+)\.(\w+)$/;
-	my $newurl=$1.$newid.'.'.$2;
+        my $newid=$$.int(rand(100)).time;
+	my ($oldid,$ext) = ($url=~/^(.+)\.(\w+)$/);
+        if ($oldid =~ m{^(/uploaded/\Q$coursedom\E/\Q$coursenum\E/)(\D+)(\d+)$}) {
+            my $path = $1;
+            my $prefix = $2;
+            my $ancestor = $3;
+            if (length($ancestor) > 10) {
+                $ancestor = substr($ancestor,-10,10);
+            }
+            $oldid = $path.$prefix.$ancestor;
+        }
+        my $counter = 0;
+        my $newurl=$oldid.$newid.'.'.$ext;
+        my $is_unique = &uniqueness_check($newurl);
+        while (!$is_unique && $counter < 100) {
+            $counter ++;
+            $newid ++;
+            $newurl = $oldid.$newid;
+            $is_unique = &uniqueness_check($newurl);
+        }
+        if (!$is_unique) {
+            if ($url=~/\.page$/) {
+                return &mt('Paste failed: an error occurred creating a unique URL for the composite page');
+            } else {
+                return &mt('Paste failed: an error occurred creating a unique URL for the folder');
+            }
+        }
 	my $storefn=$newurl;
 	$storefn=~s{^/\w+/$match_domain/$match_username/}{};
 	&Apache::lonclonecourse::writefile($env{'request.course.id'},$storefn,
@@ -1285,14 +1343,43 @@ sub do_paste_from_buffer {
     $url       = &LONCAPA::map::qtunescape($url);
 # Now insert the URL at the bottom
     my $newidx = &LONCAPA::map::getresidx($url);
+    if ($env{'docs.markedcopy_supplemental'}) {
+        if ($folder =~ /^supplemental/) {
+            $title = $env{'docs.markedcopy_supplemental'};
+        } else {
+            (undef,undef,$title) = 
+                &parse_supplemental_title($env{'docs.markedcopy_supplemental'});
+        }
+    } else {
+        if ($folder=~/^supplemental/) {
+           $title=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
+                  $env{'user.domain'}.'___&&&___'.$title;
+        }
+    }
+
     $LONCAPA::map::resources[$newidx]= 	$title.':'.$url.':'.$ext.':normal:res';
     push(@LONCAPA::map::order, $newidx);
 # Store the result
 }
 
+sub uniqueness_check {
+    my ($newurl) = @_;
+    my $unique = 1;
+    foreach my $res (@LONCAPA::map::order) {
+        my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
+        $url=&LONCAPA::map::qtescape($url);
+        if ($newurl eq $url) {
+            $unique = 0;
+            last;    
+        }
+    }
+    return $unique;
+}
+
 my %parameter_type = ( 'randompick'     => 'int_pos',
 		       'hiddenresource' => 'string_yesno',
-		       'encrypturl'     => 'string_yesno',);
+		       'encrypturl'     => 'string_yesno',
+		       'randomorder'    => 'string_yesno',);
 my $valid_parameters_re = join('|',keys(%parameter_type));
 # set parameters
 sub update_parameter {
@@ -1304,7 +1391,6 @@ sub update_parameter {
     if ($env{'form.'.$which.'_'.$idx}) {
 	my $value = ($which eq 'randompick') ? $env{'form.'.$which.'_'.$idx}
 	                                     : 'yes';
-	&Apache::lonnet::logthis("val $value");
 	&LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $value,
 				      $parameter_type{$which});
 	&remember_parms($idx,$which,'set',$value);
@@ -1363,7 +1449,7 @@ sub handle_edit_cmd {
 }
 
 sub editor {
-    my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$which)=@_;
+    my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$type)=@_;
 
     my $container= ($env{'form.pagepath'}) ? 'page'
 		                           : 'sequence';
@@ -1379,8 +1465,8 @@ sub editor {
         $LONCAPA::map::resources[$idx]='';
     }
     
-    my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain)=
-	&breadcrumbs($folder);
+    my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,$is_random_order)=
+	&breadcrumbs($folder,$allowed,$type);
     $r->print($breadcrumbtrail);
     
 # ------------------------------------------------------------ Process commands
@@ -1405,7 +1491,7 @@ sub editor {
 	}
 	    
 	if ($env{'form.pastemarked'}) {
-	    &do_paste_from_buffer($coursenum,$coursedom);
+	    &do_paste_from_buffer($coursenum,$coursedom,$folder);
 	    ($errtext,$fatal) = &storemap($coursenum,$coursedom,$folder.'.'.$container);
 	    return $errtext if ($fatal);
 	}
@@ -1453,7 +1539,7 @@ sub editor {
 # ---------------------------------------------------------------- Print screen
     my $idx=0;
     my $shown=0;
-    if (($ishidden) || ($isencrypted) || ($randompick>=0)) {
+    if (($ishidden) || ($isencrypted) || ($randompick>=0) || ($is_random_order)) {
 	$r->print('<p>'.&mt('Parameters').':<ul>'.
 		  ($randompick>=0?'<li>'.&mt('randomly pick [_1] resources',$randompick).'</li>':'').
 		  ($ishidden?'<li>'.&mt('contents hidden').'</li>':'').
@@ -1463,6 +1549,9 @@ sub editor {
     if ($randompick>=0) {
 	$r->print('<p>'.&mt('Caution: this folder is set to randomly pick a subset of resources. Adding or removing resources from this folder will change the set of resources that the students see, resulting in spurious or missing credit for completed problems, not limited to ones you modify. Do not modify the contents of this folder if it is in active student use.').'</p>');
     }
+    if ($is_random_order) {
+	$r->print('<p>'.&mt('Caution: this folder is set to randomly order its contents. Adding or removing resources from this folder will change the order of resources shown.').'</p>');
+    }
     $r->print('<table class="LC_docs_editor">');
     foreach my $res (@LONCAPA::map::order) {
 	my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
@@ -1479,8 +1568,9 @@ sub editor {
 	$r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
     }
     $r->print("\n</table>\n");
-    
-    &print_paste_buffer($r,$container);
+    if ($allowed) {
+        &print_paste_buffer($r,$container);
+    }
     return;
 }
 
@@ -1561,8 +1651,8 @@ sub process_file_upload {
 
                     $$upload_output .= 
 			'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA.<br />'.
-			&ask_for_embedded_content('/adm/coursedocs',
-						  $state,$allfiles,$codebase);
+			&Apache::loncommon::ask_for_embedded_content(
+                            '/adm/coursedocs',$state,$allfiles,$codebase);
                 } else {
                     $$upload_output .= 'No embedded items identified<br />';
                 }
@@ -1572,55 +1662,6 @@ sub process_file_upload {
     return $phase_status;
 }
 
-sub ask_for_embedded_content {
-    my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
-    my $upload_output = '
-   <form name="upload_embedded" action="'.$actionurl.'"
-                  method="post" enctype="multipart/form-data">';
-    $upload_output .= $state;
-    $upload_output .= '<b>Upload embedded files</b>:<br />'.
-	&Apache::loncommon::start_data_table();
-
-    my $num = 0;
-    foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) {
-	$upload_output .= &Apache::loncommon::start_data_table_row().
-	    '<td>'.$embed_file.'</td><td>';
-	if ($args->{'ignore_remote_references'}
-	    && $embed_file =~ m{^\w+://}) {
-	    $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
-	} elsif ($args->{'error_on_invalid_names'}
-	    && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
-	    
-	    $upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>';
-	    
-	} else {
-
-	    $upload_output .='
-           <input name="embedded_item_'.$num.'" type="file" value="bob" />
-           <input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />';
-	    my $attrib = join(':',@{$$allfiles{$embed_file}});
-	    $upload_output .=
-		"\n\t\t".
-		'<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
-		$attrib.'" />';
-	    if (exists($$codebase{$embed_file})) {
-		$upload_output .= 
-		    "\n\t\t".
-		    '<input name="codebase_'.$num.'" type="hidden" value="'.
-		    &escape($$codebase{$embed_file}).'" />';
-	    }
-	}
-	$upload_output .= '</td>'.&Apache::loncommon::end_data_table_row();
-	$num++;
-    }
-    $upload_output .= &Apache::loncommon::end_data_table().'<br />
-   <input type ="hidden" name="number_embedded_items" value="'.$num.'" />
-   <input type ="submit" value="'.&mt('Upload Listed Files').'" />
-   '.&mt('(only files for which a location has been provided will be uploaded)').'
-   </form>';
-    return $upload_output;
-}
-
 sub process_secondary_uploads {
     my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
     my $folder=$env{'form.folder'};
@@ -1692,7 +1733,6 @@ sub entryline {
     my $line='<tr>';
     my ($form_start,$form_end);
 # Edit commands
-    my $container;
     my ($container, $type, $esc_path, $path, $symb);
     if ($env{'form.folderpath'}) {
 	$type = 'folder';
@@ -1745,7 +1785,7 @@ sub entryline {
 		# no copy for published maps
 		$nocopy = 1;
 	    } else {
-		foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url))) {
+		foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url),1)) {
 		    my ($title,$url,$ext,$type)=split(/\:/,$_);
 		    if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
 			$nocopy=1;
@@ -1885,7 +1925,7 @@ END
 	    $url.=(($url=~/\?/)?'&':'?').'symb='.&escape($symb);
 	}
     }
-    my $parameterset='&nbsp;';
+    my ($parameterset,$rand_order_text) = ('&nbsp;', '&nbsp;');
     if ($isfolder || $extension eq 'sequence') {
 	my $foldername=&escape($foldertitle);
 	my $folderpath=$env{'form.folderpath'};
@@ -1897,7 +1937,9 @@ END
                                                .':'.((&LONCAPA::map::getparameter($orderidx,
                                               'parameter_hiddenresource'))[0]=~/^yes$/i)
                                                .':'.((&LONCAPA::map::getparameter($orderidx,
-                                              'parameter_encrypturl'))[0]=~/^yes$/i);
+                                              'parameter_encrypturl'))[0]=~/^yes$/i)
+                                               .':'.((&LONCAPA::map::getparameter($orderidx,
+                                              'parameter_randomorder'))[0]=~/^yes$/i);
 	$url.='folderpath='.&escape($folderpath).$cpinfo;
 	$parameterset='<label>'.&mt('Randomly Pick: ').
 	    '<input type="text" size="4" onChange="this.form.changeparms.value='."'randompick'".';this.form.submit()" name="randompick_'.$orderidx.'" value="'.
@@ -1905,7 +1947,10 @@ END
                                               'parameter_randompick'))[0].
                                               '" />'.
 '<a href="javascript:void(0)">'.&mt('Save').'</a></label>';
-       
+    	my $ro_set=
+	    ((&LONCAPA::map::getparameter($orderidx,'parameter_randomorder'))[0]=~/^yes$/i?' checked="checked"':'');
+	$rand_order_text ='
+<span class="LC_nobreak"><label><input type="checkbox" name="randomorder_'.$orderidx.'" onClick="this.form.changeparms.value=\'randomorder\';this.form.submit()" '.$ro_set.' /> '.&mt('Random Order').' </label></span>';
     }
     if ($ispage) {
         my $pagename=&escape($pagetitle);
@@ -1957,6 +2002,7 @@ END
     <label><input type="checkbox" name="encrypturl_$orderidx" onClick="this.form.changeparms.value='encrypturl';this.form.submit()" $enctext /> $lt{'ec'}</label>
     $form_end
   </td>
+  <td class="LC_docs_entry_parameter">$form_start $rand_order_text $form_end</td>
   <td class="LC_docs_entry_parameter">$form_start $parameterset $form_end</td>
 ENDPARMS
     }
@@ -1999,6 +2045,9 @@ sub checkonthis {
     $r->rflush();
     if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
        $r->print("\n<br />");
+       if ($level==0) {
+           $r->print("<br />");
+       }
        for (my $i=0;$i<=$level*5;$i++) {
            $r->print('&nbsp;');
        }
@@ -2008,7 +2057,7 @@ sub checkonthis {
 	  my $result=&Apache::lonnet::repcopy(
                               &Apache::lonnet::filelocation('',$url));
           if ($result eq 'ok') {
-             $r->print('<font color="green">'.&mt('ok').'</font>');
+             $r->print('<span class="LC_success">'.&mt('ok').'</span>');
              $r->rflush();
              &Apache::lonnet::countacc($url);
              $url=~/\.(\w+)$/;
@@ -2018,7 +2067,7 @@ sub checkonthis {
                  for (my $i=0;$i<=$level*5;$i++) {
                      $r->print('&nbsp;');
                  }
-                 $r->print('- '.&mt('Rendering').': ');
+                 $r->print('- '.&mt('Rendering:').' ');
 		 my ($errorcount,$warningcount)=split(/:/,
 	       &Apache::lonnet::ssi_body($url,
 			       ('grade_target'=>'web',
@@ -2027,13 +2076,11 @@ sub checkonthis {
                      ($warningcount)) {
 		     if ($errorcount) {
                         $r->print('<img src="/adm/lonMisc/bomb.gif" /><span class="LC_error">'.
-			  $errorcount.' '.
-				  &mt('error(s)').'</span> ');
+                          &mt('[quant,_1,error]',$errorcount).'</span>');
                      }
 		     if ($warningcount) {
                         $r->print('<span class="LC_warning">'.
-			  $warningcount.' '.
-				  &mt('warning(s)').'</span>');
+                          &mt('[quant,_1,warning]',$warningcount).'</span>');
                      }
                  } else {
                      $r->print('<span class="LC_success">'.&mt('ok').'</span>');
@@ -2051,15 +2098,15 @@ sub checkonthis {
              $r->print('<span class="LC_error">'.&mt('connection down').'</span>');
           } elsif ($result eq 'not_found') {
 	      unless ($url=~/\$/) {
-		  $r->print('<span class="LC_error">'.&mt('not found').'</b></font>');
+		  $r->print('<span class="LC_error">'.&mt('not found').'</b></span>');
 	      } else {
 		  $r->print('<span class="LC_unknown">'.&mt('unable to verify variable URL').'</span>');
 	      }
           } else {
              $r->print('<span class="LC_error">'.&mt('access denied').'</span>');
           }
-      }
-   }
+       }
+    }
 }
 
 
@@ -2069,14 +2116,23 @@ sub checkonthis {
 sub list_symbs {
     my ($r) = @_;
 
+    my $type = &Apache::loncommon::course_type();
     $r->print(&Apache::loncommon::start_page('Symb List'));
     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Symb List'));
     my $navmap = Apache::lonnavmaps::navmap->new();
-    $r->print("<pre>\n");
-    foreach my $res ($navmap->retrieveResources()) {
-	$r->print($res->compTitle()."\t".$res->symb()."\n");
+    if (!defined($navmap)) {
+        $r->print('<h2>'.&mt('Retrieval of List Failed').'</h2>'.
+                  '<div class="LC_error">'.
+                  &mt('Unable to retrieve information about course contents').
+                  '</div>');
+        &Apache::lonnet::logthis('Symb list failed - could not create navmap object in '.lc($type).':'.$env{'request.course.id'});
+    } else {
+        $r->print("<pre>\n");
+        foreach my $res ($navmap->retrieveResources()) {
+	    $r->print($res->compTitle()."\t".$res->symb()."\n");
+        }
+        $r->print("\n</pre>\n");
     }
-    $r->print("\n</pre>\n");
     $r->print('<a href="/adm/coursedocs">'.&mt('Return to DOCS').'</a>');
 }
 
@@ -2424,7 +2480,7 @@ sub init_breadcrumbs {
     my ($form,$text)=@_;
     &Apache::lonhtmlcommon::clear_breadcrumbs();
     &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs",
-					    text=>&Apache::loncommon::course_type()." Documents",
+					    text=>"Edit ".&Apache::loncommon::course_type(),
 					    faq=>273,
 					    bug=>'Instructor Interface',
                                             help => 'Docs_Adding_Course_Doc'});
@@ -2498,6 +2554,26 @@ sub handler {
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
 					    ['folderpath','pagepath',
 					     'pagesymb']);
+# No folderpath, no pagepath, see if we have something stored
+    if ((!$env{'form.folderpath'}) && (!$env{'form.pagepath'})) {
+        &Apache::loncommon::restore_course_settings('docs_folderpath',
+                                              {'folderpath' => 'scalar'});
+    }
+    if (!$env{'form.folderpath'}) {
+        &Apache::loncommon::restore_course_settings('docs_folderpath',
+                                              {'pagepath' => 'scalar'});
+    }
+    if ($env{'form.pagepath'}) {
+       $env{'form.folderpath'}='';
+    }
+    if ($env{'form.folderpath'} =~ /^supplemental_\d+/) {
+        $env{'form.folderpath'} = 'supplemental&'.
+                                  &escape(&mt('Supplemental '.$type.' Documents')).'&'.
+                                  $env{'form.folderpath'};
+    }
+    &Apache::loncommon::store_course_settings('docs_folderpath',
+                                                {'pagepath' => 'scalar',
+                                                 'folderpath' => 'scalar'});
     if ($env{'form.folderpath'}) {
 	my (@folderpath)=split('&',$env{'form.folderpath'});
 	$env{'form.foldername'}=&unescape(pop(@folderpath));
@@ -2559,9 +2635,13 @@ sub handler {
       if (($env{'form.uploaddoc.filename'}) &&
 	  ($env{'form.cmd'}=~/^upload_(\w+)/)) {
 # Process file upload - phase one - upload and parse primary file.  
+	  undef($hadchanges);
           $upload_result = &process_file_upload(\$upload_output,$coursenum,
 						$coursedom,\%allfiles,
 						\%codebase,$1);
+	  if ($hadchanges) {
+	      &mark_hash_old();
+	  }
           if ($upload_result eq 'phasetwo') {
               $r->print($upload_output);
           }
@@ -2663,6 +2743,7 @@ sub handler {
                 'bull' => 'Bulletin Board',
                 'mypi' => 'My Personal Info',
                 'grpo' => 'Group Files',
+                'rost' => 'Course Roster',
 		'abou' => 'About User',
                 'imsf' => 'Import IMS package',
                 'file' =>  'File',
@@ -2733,7 +2814,8 @@ ENDCOURSEVERIFY
 		     &mt('Editing the Table of Contents for your '.$type)));
     }
 # --------------------------------------------------------- Standard documents
-    $r->print('<table class="LC_docs_documents">');#border=2 cellspacing=4 cellpadding=4>');
+    $r->print('<table class="LC_docs_documents">');
+
     if (($standard) && ($allowed) && (!$forcesupplement)) {
 	$r->print('<tr><td class="LC_docs_document">');
 #  '<h2>'.&mt('Main Course Documents').
@@ -2742,6 +2824,8 @@ ENDCOURSEVERIFY
        if ($folder eq '' || $folder eq 'supplemental') {
            $folder='default';
 	   $env{'form.folderpath'}='default&'.&escape(&mt('Main '.$type.' Documents'));
+           $uploadtag = '<input type="hidden" name="folderpath" value="'.
+	       &HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
        }
        my $postexec='';
        if ($folder eq 'default') {
@@ -2751,7 +2835,7 @@ ENDCOURSEVERIFY
        }
        $hadchanges=0;
        my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,
-			   $upload_output);
+			   $upload_output,$type);
        if ($error) {
 	   $r->print('<p><span class="LC_error">'.$error.'</span></p>');
        }
@@ -2788,7 +2872,7 @@ $uploadtag
 <br />
 <span class="LC_nobreak">
 <label>$lt{'parse'}?
-<input type="checkbox" name="parserflag" />
+<input type="checkbox" name="parserflag" checked="checked" />
 </label>
 </span>
 <br />
@@ -2868,7 +2952,7 @@ value="$lt{'newp'}" />$help{'Adding_Page
 <br /><form action="/adm/coursedocs" method="post" name="newsyl">
 $uploadtag
 <input type="hidden" name="importdetail" 
-value="Syllabus=/public/$coursedom/$coursenum/syllabus" />
+value="$lt{'syll'}=/public/$coursedom/$coursenum/syllabus" />
 <span class="LC_nobreak">
 <input name="newsyl" type="submit" value="$lt{'syll'}" /> 
  $help{'Syllabus'}
@@ -2877,7 +2961,7 @@ value="Syllabus=/public/$coursedom/$cour
 <br /><form action="/adm/coursedocs" method="post" name="newnav">
 $uploadtag
 <input type="hidden" name="importdetail" 
-value="Navigate Content=/adm/navmaps" />
+value="$lt{'navc'}=/adm/navmaps" />
 <span class="LC_nobreak">
 <input name="newnav" type="submit" value="$lt{'navc'}" />
 $help{'Navigate_Content'}
@@ -2945,12 +3029,21 @@ onClick="javascript:makeabout();" />
 <br /><form action="/adm/coursedocs" method="post" name="newgroupfiles">
 $uploadtag
 <input type="hidden" name="importdetail"
-value="Group Files=/adm/$coursedom/$coursenum/aboutme" />
+value="$lt{'grpo'}=/adm/$coursedom/$coursenum/aboutme" />
 <span class="LC_nobreak">
 <input name="newgroupfiles" type="submit" value="$lt{'grpo'}" />
 $help{'Group Files'}
 </span>
 </form>
+<br /><form action="/adm/coursedocs" method="post" name="newroster">
+$uploadtag
+<input type="hidden" name="importdetail" 
+value="$lt{'rost'}=/adm/viewclasslist" />
+<span class="LC_nobreak">
+<input name="newroster" type="submit" value="$lt{'rost'}" />
+$help{'Course Roster'}
+</span>
+</form>
 ENDFORM
        }
        if ($env{'form.pagepath'}) {
@@ -2988,11 +3081,11 @@ ENDBLOCK
 	   $folder='supplemental';
        }
        if ($folder =~ /^supplemental$/ &&
-	   $env{'form.folderpath'} =~ /^default\&/) {
-	   $env{'form.folderpath'}='supplemental&'.
-	       &escape(&mt('Supplemental '.$type.' Documents'));
+	   (($env{'form.folderpath'} =~ /^default\&/) || ($env{'form.folderpath'} eq ''))) {
+          $env{'form.folderpath'} = 'supplemental&'.
+                                    &escape(&mt('Supplemental '.$type.' Documents'));
        }
-       my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed);
+       my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$type);
        if ($error) {
 	   $r->print('<p><span class="LC_error">'.$error.'</span></p>');
        }
@@ -3100,10 +3193,33 @@ ENDSUPFORM
 sub editing_js {
     my ($udom,$uname) = @_;
     my $now = time();
+    my %lt = &Apache::lonlocal::texthash(
+                                          p_mnf => 'Name of New Folder',
+                                          t_mnf => 'New Folder',
+                                          p_mnp => 'Name of New Page',
+                                          t_mnp => 'New Page',
+                                          p_mxu => 'Title for the Uploaded Score',
+                                          p_msp => 'Title for the Page',
+                                          p_msb => 'Title for the Problem',
+                                          p_mdb => 'Title for the Drop Box',
+                                          p_mbb => 'Title for the Bulletin Board',
+                                          p_mab => "Enter user:domain for User's 'About Me' Page",
+                                          p_mab2 => "About [_99]",
+                                          p_mab_alrt1 => 'Not a valid user:domain',
+                                          p_mab_alrt2 => 'Please enter both user and domain in the format user:domain',
+                                          p_chn => 'New Title',
+                                          p_rmr1 => 'WARNING: Removing a resource makes associated grades and scores inaccessible!',
+                                          p_rmr2a => 'Remove[_99]',
+                                          p_rmr2b => '?[_99]',
+                                          p_ctr1a => 'WARNING: Cutting a resource makes associated grades and scores inaccessible!',
+                                          p_ctr1b => 'Grades remain inaccessible if resource is pasted into another folder.',
+                                          p_ctr2a => 'Cut[_98]',
+                                          p_ctr2b => '?[_98]'
+                                        );
 
     return <<ENDNEWSCRIPT;
 function makenewfolder(targetform,folderseq) {
-    var foldername=prompt('Name of New Folder','New Folder');
+    var foldername=prompt('$lt{"p_mnf"}','$lt{"t_mnf"}');
     if (foldername) {
        targetform.importdetail.value=escape(foldername)+"="+folderseq;
         targetform.submit();
@@ -3111,7 +3227,7 @@ function makenewfolder(targetform,folder
 }
 
 function makenewpage(targetform,folderseq) {
-    var pagename=prompt('Name of New Page','New Page');
+    var pagename=prompt('$lt{"p_mnp"}','$lt{"t_mnp"}');
     if (pagename) {
         targetform.importdetail.value=escape(pagename)+"="+folderseq;
         targetform.submit();
@@ -3135,7 +3251,7 @@ function edittext(targetname,residx,titl
 }
 
 function makeexamupload() {
-   var title=prompt('Listed Title for the Uploaded Score');
+   var title=prompt('$lt{"p_mxu"}');
    if (title) { 
     this.document.forms.newexamupload.importdetail.value=
 	escape(title)+'=/res/lib/templates/examupload.problem';
@@ -3144,7 +3260,7 @@ function makeexamupload() {
 }
 
 function makesmppage() {
-   var title=prompt('Listed Title for the Page');
+   var title=prompt('$lt{"p_msp"}');
    if (title) { 
     this.document.forms.newsmppg.importdetail.value=
 	escape(title)+'=/adm/$udom/$uname/$now/smppg';
@@ -3153,7 +3269,7 @@ function makesmppage() {
 }
 
 function makesmpproblem() {
-   var title=prompt('Listed Title for the Problem');
+   var title=prompt('$lt{"p_msb"}');
    if (title) { 
     this.document.forms.newsmpproblem.importdetail.value=
 	escape(title)+'=/res/lib/templates/simpleproblem.problem';
@@ -3162,7 +3278,7 @@ function makesmpproblem() {
 }
 
 function makedropbox() {
-   var title=prompt('Listed Title for the Drop Box');
+   var title=prompt('$lt{"p_mdb"}');
    if (title) { 
     this.document.forms.newdropbox.importdetail.value=
         escape(title)+'=/res/lib/templates/DropBox.problem';
@@ -3171,7 +3287,7 @@ function makedropbox() {
 }
 
 function makebulboard() {
-   var title=prompt('Listed Title for the Bulletin Board');
+   var title=prompt('$lt{"p_mbb"}');
    if (title) {
     this.document.forms.newbul.importdetail.value=
 	escape(title)+'=/adm/$udom/$uname/$now/bulletinboard';
@@ -3180,20 +3296,20 @@ function makebulboard() {
 }
 
 function makeabout() {
-   var user=prompt("Enter user:domain for User's 'About Me' Page");
+   var user=prompt("$lt{'p_mab'}");
    if (user) {
        var comp=new Array();
        comp=user.split(':');
        if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
 	   if ((comp[0]) && (comp[1])) {
 	       this.document.forms.newaboutsomeone.importdetail.value=
-		   'About '+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
+		   '$lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
 	       this.document.forms.newaboutsomeone.submit();
 	   } else {
-               alert("Not a valid user:domain");
+               alert("$lt{'p_mab_alrt1'}");
            }
        } else {
-           alert("Please enter both user and domain in the format user:domain"); 
+           alert("$lt{'p_mab_alrt2'}");
        }
    }
 }
@@ -3215,7 +3331,7 @@ function finishpick() {
 }
 
 function changename(folderpath,index,oldtitle,container,pagesymb) {
-    var title=prompt('New Title',oldtitle);
+    var title=prompt('$lt{"p_chn"}',oldtitle);
     if (title) {
 	this.document.forms.renameform.markcopy.value=-1;
 	this.document.forms.renameform.title.value=title;
@@ -3232,7 +3348,7 @@ function changename(folderpath,index,old
 }
 
 function removeres(folderpath,index,oldtitle,container,pagesymb,skip_confirm) {
-    if (skip_confirm || confirm('WARNING: Removing a resource makes associated grades and scores inaccessible!\\nRemove "'+oldtitle+'"?')) {
+    if (skip_confirm || confirm('$lt{"p_rmr1"}\\n\\n$lt{"p_rmr2a"} "'+oldtitle+'" $lt{"p_rmr2b"}')) {
 	this.document.forms.renameform.markcopy.value=-1;
 	this.document.forms.renameform.cmd.value='del_'+index;
         if (container == 'sequence') {
@@ -3247,7 +3363,7 @@ function removeres(folderpath,index,oldt
 }
 
 function cutres(folderpath,index,oldtitle,container,pagesymb,folder,skip_confirm) {
-    if (skip_confirm || confirm('WARNING: Cutting a resource makes associated grades and scores inaccessible!\\nGrades remain inaccessible if resource is pasted into another folder.\\nCut "'+oldtitle+'"?')) {
+    if (skip_confirm || confirm('$lt{"p_ctr1a"}\\n$lt{"p_ctr1b"}\\n\\n$lt{"p_ctr2a"} "'+oldtitle+'" $lt{"p_ctr2b"}')) {
 	this.document.forms.renameform.cmd.value='cut_'+index;
 	this.document.forms.renameform.markcopy.value=index;
 	this.document.forms.renameform.copyfolder.value=folder+'.'+container;