--- loncom/interface/londocs.pm	2013/12/24 19:15:10	1.573
+++ loncom/interface/londocs.pm	2015/08/20 00:28:52	1.596
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.573 2013/12/24 19:15:10 raeburn Exp $
+# $Id: londocs.pm,v 1.596 2015/08/20 00:28:52 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -46,6 +46,7 @@ use Apache::lonsimplepage();
 use HTML::Entities;
 use HTML::TokeParser;
 use GDBM_File;
+use File::MMagic;
 use Apache::lonlocal;
 use Cwd;
 use LONCAPA qw(:DEFAULT :match);
@@ -301,14 +302,14 @@ ENDJS
                 if ($contents{content}) {
                     $content .= '
 <div class="LC_Box">
-<h4 class="LC_hcell">Content</h4>'.
+<h4 class="LC_hcell">'.&mt('Content').'</h4>'.
 $contents{content}.'
 </div>';
                 }
                 if ($contents{webreferences}) {
                     $content .= ' 
 <div class="LC_Box">
-<h4 class="LC_hcell">Web References</h4>'.
+<h4 class="LC_hcell">'.&mt('Web References').'</h4>'.
 $contents{webreferences}.'
 </div>';
                 }
@@ -976,7 +977,7 @@ sub docs_change_log {
 
 sub update_paste_buffer {
     my ($coursenum,$coursedom,$folder) = @_;
-    my (@possibles,%removals,%cuts);
+    my (@possibles,%removals,%cuts,$output);
     if ($env{'form.multiremove'}) {
         $env{'form.multiremove'} =~ s/,$//;
         map { $removals{$_} = 1; } split(/,/,$env{'form.multiremove'});
@@ -1044,10 +1045,12 @@ sub update_paste_buffer {
         next if (exists($pasteurls{$coursedom.'_'.$coursenum.'_'.$url}));
         my ($suffix,$errortxt,$locknotfreed) =
             &new_timebased_suffix($env{'user.domain'},$env{'user.name'},'paste');
-        push(@newpaste,$suffix);
-        if ($locknotfreed) {
-            return $locknotfreed;
-            last;
+        if ($suffix ne '') {
+            push(@newpaste,$suffix);
+        } else {
+            if ($locknotfreed) {
+                return $locknotfreed;
+            }
         }
         if (&is_supplemental_title($title)) {
             &Apache::lonnet::appenv({'docs.markedcopy_supplemental_'.$suffix => $title});
@@ -1081,12 +1084,17 @@ sub update_paste_buffer {
                 }
             }
         }
+        if ($locknotfreed) {
+            $output = $locknotfreed;
+            last;
+        }
     }
     if (@newpaste) {
         $addtoenv{'docs.markedcopies'} = join(',',(@currpaste,@newpaste));
     }
     &Apache::lonnet::appenv(\%addtoenv);
     delete($env{'form.markcopy'});
+    return $output;
 }
 
 sub recurse_uploaded_maps {
@@ -1124,6 +1132,7 @@ sub print_paste_buffer {
 
     my @currpaste = split(/,/,$env{'docs.markedcopies'});
     my ($pasteitems,@pasteable);
+    my $clipboardcount = 0;
 
 # Construct identifiers for current contents of user's paste buffer
     foreach my $suffix (@currpaste) {
@@ -1132,6 +1141,7 @@ sub print_paste_buffer {
         my $url = $env{'docs.markedcopy_url_'.$suffix};
         if (($cid =~ /^$match_domain\_$match_courseid$/) &&
             ($url ne '')) {
+            $clipboardcount ++;
             my ($is_external,$othercourse,$fromsupp,$is_uploaded_map,$parent,
                 $canpaste,$nopaste,$othercrs,$areachange);
             my $extension = (split(/\./,$env{'docs.markedcopy_url_'.$suffix}))[-1];
@@ -1154,9 +1164,7 @@ sub print_paste_buffer {
                     if (($srcdom ne $coursedom) || ($srcnum ne $coursenum)) {
                         $othercourse = 1;
                         if ($env{"user.priv.cm./$srcdom/$srcnum"} =~ /\Q:mdc&F\E/) {
-                            if ($canpaste) {
-                                $othercrs = '<br />'.&mt('(from another course)');
-                            }
+                            $othercrs = '<br />'.&mt('(from another course)');
                         } else {
                             $canpaste = 0;
                             $nopaste = &mt('Paste from another course unavailable.'); 
@@ -1170,10 +1178,20 @@ sub print_paste_buffer {
                         }
                         $is_uploaded_map = 1;
                     }
+                } elsif ($url =~ m{^/adm/($match_domain)/($match_username)/\d+/(bulletinboard|smppg)$}) {
+                    if ($cid ne $env{'request.course.id'}) {
+                        my ($srcdom,$srcnum) = split(/_/,$cid);
+                        if ($env{"user.priv.cm./$srcdom/$srcnum"} =~ /\Q:mdc&F\E/) {
+                            $othercrs = '<br />'.&mt('(from another course)');
+                        } else {
+                            $canpaste = 0;
+                            $nopaste = &mt('Paste from another course unavailable.');
+                        }       
+                    }
                 }
-            }
-            if ($canpaste) {
-               push(@pasteable,$suffix);
+                if ($canpaste) {
+                    push(@pasteable,$suffix);
+                }  
             }
             my $buffer;
             if ($is_external) {
@@ -1187,10 +1205,14 @@ sub print_paste_buffer {
                     $icon = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL'));
                     $icon .= '/navmap.folder.closed.gif';
                 }
+                my $title = $env{'docs.markedcopy_title_'.$suffix};
+                if ($title eq '') {
+                    ($title) = ($url =~ m{/([^/]+)$});
+                }
                 $buffer = '<img src="'.$icon.'" alt="" class="LC_icon" />'.
                           ': '.
                           &Apache::loncommon::parse_supplemental_title(
-                             &LONCAPA::map::qtescape($env{'docs.markedcopy_title_'.$suffix}));
+                             &LONCAPA::map::qtescape($title));
             }
             $pasteitems .= '<div class="LC_left_float">';
             my ($options,$onclick);
@@ -1225,11 +1247,23 @@ sub print_paste_buffer {
         $pasteitems .= '<div style="padding:0;clear:both;margin:0;border:0"></div>';
         $form_start = '<form name="pasteform" action="/adm/coursedocs" method="post" onsubmit="return validateClipboard();">';
         if (@pasteable) {
-            $buttons = '<input type="submit" name="pastemarked" value="'.&mt('Paste selected').'" />'.('&nbsp;'x2);
+            my $value = &mt('Paste to current folder');
+            if ($container eq 'page') {
+                $value = &mt('Paste to current page');
+            } 
+            $buttons = '<input type="submit" name="pastemarked" value="'.$value.'" />'.('&nbsp;'x2);
         }
-        $buttons .= '<input type="submit" name="clearmarked" value="'.&mt('Clear selected').'" />'.
-                    '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />';
-        $form_end = '</form>';
+        $buttons .= '<input type="submit" name="clearmarked" value="'.&mt('Remove from clipboard').'" />'.('&nbsp;'x2);
+        if ($clipboardcount > 1) {
+            $buttons .=
+                '<span style="text-decoration:line-through">'.('&nbsp;'x20).'</span>'.('&nbsp;'x2).
+                '<input type="button" name="checkallclip" value="'.&mt('Check all').'" style="height:20px;" onclick="checkClipboard();" />'.
+                ('&nbsp;'x2).
+                '<input type="button" name="uncheckallclip" value="'.&mt('Uncheck all').'" style="height:20px;" onclick="uncheckClipboard();" />'.
+                ('&nbsp;'x2);
+        }
+        $form_end = '<input type="hidden" name="folderpath" value="'.&HTML::Entities::encode($env{'form.folderpath'},'<>&"').'" />'.
+                    '</form>';
     } else {
         $pasteitems = &mt('Clipboard is empty');
     }
@@ -1327,29 +1361,34 @@ sub supp_pasteable {
 }
 
 sub paste_popup_js {
-    my %lt = &Apache::lonlocal::texthash(
+    my %html_js_lt = &Apache::lonlocal::texthash(
                                           show => 'Show Options',
                                           hide => 'Hide Options',
+                                        );
+    my %js_lt = &Apache::lonlocal::texthash(
                                           none => 'No items selected from clipboard.',
                                         );
+    &html_escape(\%html_js_lt);
+    &js_escape(\%html_js_lt);
+    &js_escape(\%js_lt);
     return <<"END";
 
 function showPasteOptions(suffix) {
     document.getElementById('pasteoptions_'+suffix).style.display='block';
-    document.getElementById('pasteoptionstext_'+suffix).innerHTML = '&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:hidePasteOptions(\\''+suffix+'\\');" class="LC_menubuttons_link">$lt{'hide'}</a>';
+    document.getElementById('pasteoptionstext_'+suffix).innerHTML = '&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:hidePasteOptions(\\''+suffix+'\\');" class="LC_menubuttons_link">$html_js_lt{'hide'}</a>';
     return;
 }
 
 function hidePasteOptions(suffix) {
     document.getElementById('pasteoptions_'+suffix).style.display='none';
-    document.getElementById('pasteoptionstext_'+suffix).innerHTML ='&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:showPasteOptions(\\''+suffix+'\\')" class="LC_menubuttons_link">$lt{'show'}</a>';
+    document.getElementById('pasteoptionstext_'+suffix).innerHTML ='&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:showPasteOptions(\\''+suffix+'\\')" class="LC_menubuttons_link">$html_js_lt{'show'}</a>';
     return;
 }
 
 function showOptions(caller,suffix) {
     if (document.getElementById('pasteoptionstext_'+suffix)) {
         if (caller.checked) {
-            document.getElementById('pasteoptionstext_'+suffix).innerHTML ='&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:showPasteOptions(\\''+suffix+'\\')" class="LC_menubuttons_link">$lt{'show'}</a>';
+            document.getElementById('pasteoptionstext_'+suffix).innerHTML ='&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:showPasteOptions(\\''+suffix+'\\')" class="LC_menubuttons_link">$html_js_lt{'show'}</a>';
         } else {
             document.getElementById('pasteoptionstext_'+suffix).innerHTML ='';
         }
@@ -1378,11 +1417,29 @@ function validateClipboard() {
     if (numchk > 0) { 
         return true;
     } else {
-        alert("$lt{'none'}");
+        alert("$js_lt{'none'}");
         return false;
     }
 }
 
+function checkClipboard() {
+    if (document.pasteform.pasting.length > 1) {
+        for (var i=0; i<document.pasteform.pasting.length; i++) {
+            document.pasteform.pasting[i].checked = true;
+        } 
+    }
+    return;
+}
+
+function uncheckClipboard() {
+    if (document.pasteform.pasting.length >1) {
+        for (var i=0; i<document.pasteform.pasting.length; i++) {
+            document.pasteform.pasting[i].checked = false;
+        }
+    }
+    return;
+}
+
 END
 
 }
@@ -1424,6 +1481,7 @@ sub do_paste_from_buffer {
 
     foreach my $suffix (@topaste) {
         my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url_'.$suffix});
+        my $cid=&LONCAPA::map::qtescape($env{'docs.markedcopy_crs_'.$suffix});
 # Supplemental content may only include certain types of content
 # Early out if pasted content is not supported in Supplemental area
         if ($folder =~ /^supplemental/) {
@@ -1445,8 +1503,19 @@ sub do_paste_from_buffer {
             }
             $srcdom{$suffix} = $srcd;
             $srcnum{$suffix} = $srcn;
+        } elsif ($url =~ m{^/adm/$match_domain/$match_username/\d+/(bulletinboard|smppg)$}) {
+            my ($srcd,$srcn) = split(/_/,$cid);
+# When paste buffer was populated using an active role in a different course
+# check for mdc privilege in the course from which the resource was pasted
+            if (($srcd ne $coursedom) || ($srcn ne $coursenum)) {
+                unless ($env{"user.priv.cm./$srcd/$srcn"} =~ /\Q:mdc&F\E/) {
+                    $notincrs{$suffix} = 1;
+                    next;
+                }
+            }
+            $srcdom{$suffix} = $srcd;
+            $srcnum{$suffix} = $srcn;
         }
-
         push(@dopaste,$suffix);
         if ($url=~/\.(page|sequence)$/) {
             $is_map{$suffix} = 1; 
@@ -1544,6 +1613,7 @@ sub do_paste_from_buffer {
         }
         my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url_'.$suffix});
         my $title=&LONCAPA::map::qtescape($env{'docs.markedcopy_title_'.$suffix});
+        my $cid=&LONCAPA::map::qtescape($env{'docs.markedcopy_crs_'.$suffix}); 
         my $oldurl = $url;
         if ($is_map{$suffix}) {
 # If pasting a map, check if map contains other maps
@@ -1604,13 +1674,21 @@ sub do_paste_from_buffer {
         }
         if ($url=~ m{/(bulletinboard|smppg)$}) {
             my $prefix = $1;
+            my $fromothercrs; 
             #need to copy the db contents to a new one, unless this is a move.
             my %info = (
                          src  => $url,
                          cdom => $coursedom,
                          cnum => $coursenum,
-            );
-            unless ($env{'form.docs.markedcopy_options_'.$suffix} eq 'move') {
+                       );
+            if (($srcdom{$suffix} =~ /^$match_domain$/) && ($srcnum{$suffix} =~ /^$match_courseid$/)) {
+                unless (($srcdom{$suffix} eq $coursedom) && ($srcnum{$suffix} eq $coursenum)) {
+                    $fromothercrs = 1;
+                    $info{'cdom'} = $srcdom{$suffix};
+                    $info{'cnum'} = $srcnum{$suffix};
+                }
+            }
+            unless (($env{'form.docs.markedcopy_options_'.$suffix} eq 'move') && (!$fromothercrs)) {
                 my (%lockerr,$msg); 
                 my ($newurl,$result,$errtext) =
                     &dbcopy(\%info,$coursedom,$coursenum,\%lockerr);
@@ -1871,8 +1949,8 @@ sub get_newmap_url {
 sub dbcopy {
     my ($dbref,$coursedom,$coursenum,$lockerrorsref) = @_;
     my ($url,$result,$errtext);
-    $url = $dbref->{'src'};
     if (ref($dbref) eq 'HASH') {
+        $url = $dbref->{'src'};
         if ($url =~ m{/(smppg|bulletinboard)$}) {
             my $prefix = $1;
             if (($dbref->{'cdom'} =~ /^$match_domain$/) && 
@@ -1910,7 +1988,7 @@ sub dbcopy {
                         my $photo = $contents{'uploaded.photourl'};
                         my ($subdir,$fname) =
                             ($photo =~ m{^/uploaded/$match_domain/$match_courseid/+(bulletin|simplepage)/(?:|\d+/)([^/]+)$});
-                        my $newphoto; 
+                        my $newphoto;
                         if ($fname ne '') {
                             my $content = &Apache::lonnet::getfile($photo);
                             unless ($content eq '-1') {
@@ -2569,26 +2647,44 @@ sub update_parameter {
         }
         return $haschanges;
     } else {
-        return 0 if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
+        my $haschanges = 0;
+        return $haschanges if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
 
         my $which = $env{'form.changeparms'};
         my $idx = $env{'form.setparms'};
+        my $oldvalue = 0;
+        my $newvalue = 0;
+        my $current = (&LONCAPA::map::getparameter($idx,'parameter_'.$which))[0];
+        if ($which eq 'randompick') {
+            if ($current =~ /^(\d+)$/) {
+                $oldvalue = $1;
+            }
+        } elsif ($current =~ /^yes$/i) {
+            $oldvalue = 1;
+        }
         if ($env{'form.'.$which.'_'.$idx}) {
-	    my $value = ($which eq 'randompick') ? $env{'form.rpicknum_'.$idx}
-	                                         : 'yes';
-	    &LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $value,
-				          $parameter_type{$which});
-	    &remember_parms($idx,$which,'set',$value);
-        } else {
-	    &LONCAPA::map::delparameter($idx,'parameter_'.$which);
-
-	    &remember_parms($idx,$which,'del');
+	    $newvalue = ($which eq 'randompick') ? $env{'form.rpicknum_'.$idx}
+	                                         : 1;
         }
-        return 1;
+        if ($oldvalue ne $newvalue) {
+            $haschanges = 1;
+            if ($newvalue) {
+                my $storeval = 'yes';
+                if ($which eq 'randompick') {
+                    $storeval = $newvalue;
+                }
+	        &LONCAPA::map::storeparameter($idx, 'parameter_'.$which, $storeval,
+				              $parameter_type{$which});
+	        &remember_parms($idx,$which,'set',$storeval);
+            } else {
+	        &LONCAPA::map::delparameter($idx,'parameter_'.$which);
+	        &remember_parms($idx,$which,'del');
+            }
+        }
+        return $haschanges;
     }
 }
 
-
 sub handle_edit_cmd {
     my ($coursenum,$coursedom) =@_;
     if ($env{'form.cmd'} eq '') {
@@ -2680,7 +2776,7 @@ sub editor {
 	&snapshotbefore();
 
 	if (&update_parameter()) {
-	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
+	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container,1);
 	    return $errtext if ($fatal);
 	}
 
@@ -2744,7 +2840,7 @@ sub editor {
 # Rename, cut, copy or remove a single resource
 	if (&handle_edit_cmd()) {
             my $contentchg;
-            if ($env{'form.cmd'} =~ m{^(del|cut)_}) {
+            if ($env{'form.cmd'} =~ m{^(remove|cut)_}) {
                 $contentchg = 1;
             }
 	    ($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container,$contentchg);
@@ -2776,7 +2872,7 @@ sub editor {
                     my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
                     $name=&LONCAPA::map::qtescape($name);
                     $url=&LONCAPA::map::qtescape($url);
-                    next unless ($name && $url);
+                    next unless $url;
                     my %denied =
                         &action_restrictions($coursenum,$coursedom,$url,
                                              $env{'form.folderpath'},\%curr_groups);
@@ -3141,7 +3237,7 @@ sub process_file_upload {
     my $quotatype = 'unofficial';
     if ($crstype eq 'Community') {
         $quotatype = 'community';    
-    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.instcode'}) {
+    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.coursecode'}) {
         $quotatype = 'official';
     } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.textbook'}) {
         $quotatype = 'textbook';
@@ -3149,7 +3245,8 @@ sub process_file_upload {
     if (&Apache::loncommon::get_user_quota($coursenum,$coursedom,'course',$quotatype)) {
         $filesize = int($filesize/1000); #expressed in kb
         $$upload_output = &Apache::loncommon::excess_filesize_warning($coursenum,$coursedom,'course',
-                                                                      $env{'form.uploaddoc.filename'},$filesize,'upload');
+                                                                      $env{'form.uploaddoc.filename'},$filesize,
+                                                                      'upload',$quotatype);
         return if ($$upload_output);
     }
     my ($parseaction,$showupload,$nextphase,$mimetype);
@@ -3247,7 +3344,8 @@ sub process_file_upload {
                     $$upload_output .= &mt('No embedded items identified').'<br />';
                 }
                 $$upload_output = '<div id="uploadfileresult">'.$$upload_output.'</div>';
-            } elsif (&Apache::loncommon::is_archive_file($mimetype)) {
+            } elsif ((&Apache::loncommon::is_archive_file($mimetype)) &&
+                     ($env{'form.uploaddoc.filename'} =~ /\.(zip|tar|bz2|gz|tar.gz|tar.bz2|tgz)$/i)) {
                 $nextphase = 'decompress_uploaded';
                 my $position = scalar(@LONCAPA::map::order)-1;
                 my $noextract = &return_to_editor();
@@ -3309,7 +3407,7 @@ sub is_supplemental_title {
 sub entryline {
     my ($index,$title,$url,$folder,$allowed,$residx,$coursenum,$coursedom,
         $crstype,$pathitem,$supplementalflag,$container,$filtersref,$currgroups)=@_;
-    my ($foldertitle,$renametitle);
+    my ($foldertitle,$renametitle,$oldtitle);
     if (&is_supplemental_title($title)) {
 	($title,$foldertitle,$renametitle) = &Apache::loncommon::parse_supplemental_title($title);
     } else {
@@ -3322,7 +3420,10 @@ sub entryline {
 
     $renametitle=~s/\\/\\\\/g;
     $renametitle=~s/\&quot\;/\\\"/g;
+    $renametitle=~s/"/%22/g;
     $renametitle=~s/ /%20/g;
+    $oldtitle = $renametitle;
+    $renametitle=~s/\&#39;/\\\'/g;
     my $line=&Apache::loncommon::start_data_table_row();
     my ($form_start,$form_end,$form_common,$form_param);
 # Edit commands
@@ -3472,7 +3573,7 @@ ENDREM
             }
         }
         $renamelink=(<<ENDREN);
-<a href='javascript:changename("$esc_path","$index","$renametitle");' class="LC_docs_rename">$lt{'rn'}</a>
+<a href='javascript:changename("$esc_path","$index","$oldtitle");' class="LC_docs_rename">$lt{'rn'}</a>
 ENDREN
 	$line.=(<<END);
 <td>
@@ -3787,6 +3888,7 @@ sub new_timebased_suffix {
     if ($type eq 'paste') {
         $prefix = $type;
         $namespace = 'courseeditor';
+        $idtype = 'addcode';
     } elsif ($type eq 'map') {
         $prefix = 'docs';
         if ($area eq 'supplemental') {
@@ -3798,9 +3900,8 @@ sub new_timebased_suffix {
         $prefix = $type;
         $namespace = 'templated';
     }
-    $idtype = 'concat';
     my ($suffix,$freedlock,$error) =
-        &Apache::lonnet::get_timebased_id($prefix,'num',$namespace,$dom,$num);
+        &Apache::lonnet::get_timebased_id($prefix,'num',$namespace,$dom,$num,$idtype);
     if (!$suffix) {
         if ($type eq 'paste') {
             $errtext = &mt('Failed to acquire a unique timestamp-based suffix when adding to the paste buffer.');
@@ -3820,9 +3921,19 @@ sub new_timebased_suffix {
             '<div class="LC_error">'.
             &mt('There was a problem removing a lockfile.').' ';
         if ($type eq 'paste') {
-            &mt('This will prevent use of the paste buffer until th next log-in.');
+            if ($freedlock eq 'nolock') {
+                $locknotfreed =
+                    '<div class="LC_error">'.
+                    &mt('A lockfile was not released when you added content to the clipboard earlier in this session.').' '.
+ 
+                    &mt('As a result addition of items to the clipboard will be unavailable until your next log-in.');
+            } else { 
+                $locknotfreed .=
+                    &mt('This will prevent addition of items to the clipboard until your next log-in.');
+            }
         } elsif ($type eq 'map') {
-            &mt('This will prevent creation of additional folders or composite pages in this course.');
+            $locknotfreed .=
+                &mt('This will prevent creation of additional folders or composite pages in this course.');
         } elsif ($type eq 'smppg') {
             $locknotfreed .=
                 &mt('This will prevent creation of additional simple pages in this course.');
@@ -4468,12 +4579,8 @@ sub handler {
         $allowed = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
     }
 
-    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['chooseserver',
-                                            'inhibitmenu']);
-  if ($allowed && $env{'form.chooseserver'}) {
-      &choose_dump_server($r);
-      return OK;
-  } elsif ($allowed && $env{'form.verify'}) {
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['inhibitmenu']);
+  if ($allowed && $env{'form.verify'}) {
       &init_breadcrumbs('verify','Verify Content','Docs_Verify_Content');
       &verifycontent($r);
   } elsif ($allowed && $env{'form.listsymbs'}) {
@@ -4691,7 +4798,9 @@ sub handler {
               .'// <![CDATA['."\n"
               .$script."\n"
               .'// ]]>'."\n"
-              .'</script>'."\n";
+              .'</script>'."\n"
+              .'<script type="text/javascript" 
+                src="/res/adm/includes/file_upload.js"></script>'."\n";
 
     # Breadcrumbs
     &Apache::lonhtmlcommon::clear_breadcrumbs();
@@ -4815,11 +4924,36 @@ sub handler {
                 'title' => 'Title',
                 'comment' => 'Comment',
                 'parse' => 'Upload embedded images/multimedia files if HTML file',
-					  );
+                'bb5'      => 'Blackboard 5',
+                'bb6'      => 'Blackboard 6',
+                'angel5'   => 'ANGEL 5.5',
+                'webctce4' => 'WebCT 4 Campus Edition',
+        );
 # -----------------------------------------------------------------------------
+
+    # Calculate free quota space for a user or course. A javascript function checks
+    # file size to determine if upload should be allowed.
+    my $quotatype = 'unofficial';
+    if ($crstype eq 'Community') {
+        $quotatype = 'community';    
+    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.coursecode'}) {
+        $quotatype = 'official';
+    } elsif ($env{'course.'.$coursedom.'_'.$coursenum.'.internal.textbook'}) {
+        $quotatype = 'textbook';
+    }
+    my $disk_quota = &Apache::loncommon::get_user_quota($coursenum,$coursedom,
+                     'course',$quotatype); # expressed in MB
+    my $current_disk_usage = 0;
+    foreach my $subdir ('docs','supplemental') {
+        $current_disk_usage += &Apache::lonnet::diskusage($coursedom,$coursenum,
+                               "userfiles/$subdir",1); # expressed in kB
+    }
+    my $free_space = 1024 * ((1024 * $disk_quota) - $current_disk_usage);
+
 	my $fileupload=(<<FIUP);
 	$lt{'file'}:<br />
-	<input type="file" name="uploaddoc" size="40" />
+	<input type="file" name="uploaddoc" class="flUpload" size="40" />
+    <input type="hidden" id="free_space" value="$free_space" />
 FIUP
 
 	my $checkbox=(<<CHBO);
@@ -4846,10 +4980,10 @@ CHBO
         $lt{'cms'}:&nbsp; 
         <select name="source">
         <option value="-1" selected="selected">$lt{'se'}</option>
-        <option value="bb5">Blackboard 5</option>
-        <option value="bb6">Blackboard 6</option>
-        <option value="angel5">ANGEL 5.5</option>
-        <option value="webctce4">WebCT 4 Campus Edition</option>
+        <option value="bb5">$lt{'bb5'}</option>
+        <option value="bb6">$lt{'bb6'}</option>
+        <option value="angel5">$lt{'angel5'}</option>
+        <option value="webctce4">$lt{'webctce4'}</option>
         </select>
         <input type="hidden" name="folder" value="$imsfolder" />
         </p>
@@ -4866,7 +5000,7 @@ IMSFORM
         <fieldset id="uploaddocform" style="display: none;">
         <legend>$lt{'upfi'}</legend>
 	<input type="hidden" name="active" value="aa" />
-	$fileupload
+    $fileupload
 	<br />
 	$lt{'title'}:<br />
 	<input type="text" size="60" name="comment" />
@@ -5422,7 +5556,7 @@ sub decompression_info {
     my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
     my $container='sequence';
     my ($pathitem,$hiddenelem);
-    my @hiddens = ('newidx','comment','position','folderpath');
+    my @hiddens = ('newidx','comment','position','folderpath','archiveurl');
     if ($env{'form.folderpath'} =~ /\:1$/) {
         $container='page';
     }
@@ -5430,7 +5564,7 @@ sub decompression_info {
     foreach my $item (@hiddens) {
         if ($env{'form.'.$item}) {
             $hiddenelem .= '<input type="hidden" name="'.$item.'" value="'.
-                           $env{'form.'.$item}.'" />'."\n";
+                           &HTML::Entities::encode($env{'form.'.$item},'<>&"').'" />'."\n";
         }
     }
     return ($destination,$dir_root,$londocroot,$docudom,$docuname,$container,
@@ -5487,25 +5621,34 @@ sub remove_archive {
         } else {
             $delwarning = &mt('An error occurred retrieving the contents of the current folder.');
         }
-        $delwarning .= &mt('As a result the archive file has not been removed.');
+        $delwarning .= ' '.&mt('As a result the archive file has not been removed.');
     } else {
         my $currcmd = $env{'form.cmd'};
         my $position = $env{'form.position'};
+        my $archiveidx = $position;
         if ($position > 0) {
-            $env{'form.cmd'} = 'remove_'.$position;
-            my ($title,$url,@rrest) = 
-                split(/:/,$LONCAPA::map::resources[$LONCAPA::map::order[$position]]);
-            if (&handle_edit_cmd($docuname,$docudom)) {
-                ($errtext,$fatal) = &storemap($docuname,$docudom,$map,1);
-                if ($fatal) {
-                    if ($container eq 'page') {
-                        $delwarning = &mt('An error occurred updating the contents of the current page.');
+            if (($env{'form.autoextract_camtasia'}) && (scalar(@LONCAPA::map::order) == 2)) {
+                $archiveidx = $position-1;
+            }
+            $env{'form.cmd'} = 'remove_'.$archiveidx;
+            my ($title,$url,@rrest) =
+                split(/:/,$LONCAPA::map::resources[$LONCAPA::map::order[$archiveidx]]);
+            if ($url eq $env{'form.archiveurl'}) {
+                if (&handle_edit_cmd($docuname,$docudom)) {
+                    ($errtext,$fatal) = &storemap($docuname,$docudom,$map,1);
+                    if ($fatal) {
+                        if ($container eq 'page') {
+                            $delwarning = &mt('An error occurred updating the contents of the current page.');
+                        } else {
+                            $delwarning = &mt('An error occurred updating the contents of the current folder.');
+                        }
                     } else {
-                        $delwarning = &mt('An error occurred updating the contents of the current folder.');
+                        $delresult = &mt('Archive file removed.');
                     }
-                } else {
-                    $delresult = &mt('Archive file removed.');
                 }
+            } else {
+                $delwarning .=  &mt('Archive file had unexpected item number in folder.').
+                                ' '.&mt('As a result the archive file has not been removed.');
             }
         }
         $env{'form.cmd'} = $currcmd;
@@ -5708,7 +5851,7 @@ END
 
 sub editing_js {
     my ($udom,$uname,$supplementalflag) = @_;
-    my %lt = &Apache::lonlocal::texthash(
+    my %js_lt = &Apache::lonlocal::texthash(
                                           p_mnf => 'Name of New Folder',
                                           t_mnf => 'New Folder',
                                           p_mnp => 'Name of New Page',
@@ -5746,7 +5889,7 @@ sub editing_js {
                                           noch    => 'No changes to settings specified.',
                                           noac    => 'No actions selected.',
                                         );
-
+    &js_escape(\%js_lt);
     my $crstype = &Apache::loncommon::course_type();
     my $docs_folderpath = &HTML::Entities::encode($env{'environment.internal.'.$env{'request.course.id'}.'.docs_folderpath.folderpath'},'<>&"');
     my $main_container_page;
@@ -5768,6 +5911,7 @@ sub editing_js {
             if (&Apache::lonnet::is_on_map($res)) {
                 $backtourl = &HTML::Entities::encode(&Apache::lonnet::clutter($res),'<>&"').'?symb='.
                              &HTML::Entities::encode($caller,'<>&"');
+                $backtourl = &Apache::loncommon::escape_single($backtourl);
             } else {
                 $backtourl = '/adm/navmaps';
             }
@@ -5790,7 +5934,7 @@ sub editing_js {
 
     return <<ENDNEWSCRIPT;
 function makenewfolder(targetform,folderseq) {
-    var foldername=prompt('$lt{"p_mnf"}','$lt{"t_mnf"}');
+    var foldername=prompt('$js_lt{"p_mnf"}','$js_lt{"t_mnf"}');
     if (foldername) {
        targetform.importdetail.value=escape(foldername)+"="+folderseq;
         targetform.submit();
@@ -5798,7 +5942,7 @@ function makenewfolder(targetform,folder
 }
 
 function makenewpage(targetform,folderseq) {
-    var pagename=prompt('$lt{"p_mnp"}','$lt{"t_mnp"}');
+    var pagename=prompt('$js_lt{"p_mnp"}','$js_lt{"t_mnp"}');
     if (pagename) {
         targetform.importdetail.value=escape(pagename)+"="+folderseq;
         targetform.submit();
@@ -5806,7 +5950,7 @@ function makenewpage(targetform,folderse
 }
 
 function makeexamupload() {
-   var title=prompt('$lt{"p_mxu"}');
+   var title=prompt('$js_lt{"p_mxu"}');
    if (title) {
     this.document.forms.newexamupload.importdetail.value=
 	escape(title)+'=/res/lib/templates/examupload.problem';
@@ -5815,7 +5959,7 @@ function makeexamupload() {
 }
 
 function makesmppage() {
-   var title=prompt('$lt{"p_msp"}');
+   var title=prompt('$js_lt{"p_msp"}');
    if (title) {
     this.document.forms.newsmppg.importdetail.value=
 	escape(title)+'=/adm/$udom/$uname/new/smppg';
@@ -5824,7 +5968,7 @@ function makesmppage() {
 }
 
 function makewebpage(type) {
-   var title=prompt('$lt{"p_mwp"}');
+   var title=prompt('$js_lt{"p_mwp"}');
    var formname;
    if (type == 'supp') {
        formname = this.document.forms.supwebpage;
@@ -5839,7 +5983,7 @@ function makewebpage(type) {
 }
 
 function makesmpproblem() {
-   var title=prompt('$lt{"p_msb"}');
+   var title=prompt('$js_lt{"p_msb"}');
    if (title) {
     this.document.forms.newsmpproblem.importdetail.value=
 	escape(title)+'=/res/lib/templates/simpleproblem.problem';
@@ -5848,7 +5992,7 @@ function makesmpproblem() {
 }
 
 function makedropbox() {
-   var title=prompt('$lt{"p_mdb"}');
+   var title=prompt('$js_lt{"p_mdb"}');
    if (title) {
     this.document.forms.newdropbox.importdetail.value=
         escape(title)+'=/res/lib/templates/DropBox.problem';
@@ -5857,7 +6001,7 @@ function makedropbox() {
 }
 
 function makebulboard() {
-   var title=prompt('$lt{"p_mbb"}');
+   var title=prompt('$js_lt{"p_mbb"}');
    if (title) {
     this.document.forms.newbul.importdetail.value=
 	escape(title)+'=/adm/$udom/$uname/new/bulletinboard';
@@ -5866,20 +6010,20 @@ function makebulboard() {
 }
 
 function makeabout() {
-   var user=prompt("$lt{'p_mab'}");
+   var user=prompt("$js_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=
-		   '$lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
+		   '$js_lt{"p_mab2"}'+escape(user)+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
        this.document.forms.newaboutsomeone.submit();
    } else {
-       alert("$lt{'p_mab_alrt1'}");
+       alert("$js_lt{'p_mab_alrt1'}");
    }
 } else {
-   alert("$lt{'p_mab_alrt2'}");
+   alert("$js_lt{'p_mab_alrt2'}");
 }
 }
 }
@@ -5917,11 +6061,11 @@ function toggleMap(caller) {
 
 function makeims(imsform) {
     if ((imsform.uploaddoc.value == '')  || (!imsform.uploaddoc.value)) {
-        alert("$lt{'imsfile'}");
+        alert("$js_lt{'imsfile'}");
         return;
     }
     if (imsform.source.selectedIndex == 0) {
-        alert("$lt{'imscms'}");
+        alert("$js_lt{'imscms'}");
         return;
     }
     newWindow = window.open('', 'IMSimport',"HEIGHT=700,WIDTH=750,scrollbars=yes");
@@ -5929,7 +6073,7 @@ function makeims(imsform) {
 }
 
 function changename(folderpath,index,oldtitle) {
-var title=prompt('$lt{"p_chn"}',oldtitle);
+var title=prompt('$js_lt{"p_chn"}',oldtitle);
 if (title) {
 this.document.forms.renameform.markcopy.value='';
 this.document.forms.renameform.title.value=title;
@@ -5953,7 +6097,7 @@ function updatePick(targetform,index,cal
         picknumtext = document.getElementById('randompicknum_'+index);
     }
     if (pickitem.checked) {
-        var picknum=prompt('$lt{"rpck"}',picknumitem.value);
+        var picknum=prompt('$js_lt{"rpck"}',picknumitem.value);
         if (picknum == '' || picknum == null) {
             if (caller == 'check') {
                 pickitem.checked=false;
@@ -6141,14 +6285,14 @@ function checkForSubmit(targetform,param
             targetform.markcopy.value=idx+':'+param;
             targetform.copyfolder.value=folder+'.'+container;
             if (param == 'remove') {
-                if (skip_confirm || confirm('$lt{"p_rmr1"}\\n\\n$lt{"p_rmr2a"} "'+oldtitle+'" $lt{"p_rmr2b"}')) {
+                if (skip_confirm || confirm('$js_lt{"p_rmr1"}\\n\\n$js_lt{"p_rmr2a"} "'+oldtitle+'" $js_lt{"p_rmr2b"}')) {
                     targetform.markcopy.value='';
                     targetform.copyfolder.value='';
                     targetform.submit();
                 }
             }
             if (param == 'cut') {
-                if (skip_confirm || confirm('$lt{"p_ctr1a"}\\n$lt{"p_ctr1b"}\\n\\n$lt{"p_ctr2a"} "'+oldtitle+'" $lt{"p_ctr2b"}')) {
+                if (skip_confirm || confirm('$js_lt{"p_ctr1a"}\\n$js_lt{"p_ctr1b"}\\n\\n$js_lt{"p_ctr2a"} "'+oldtitle+'" $js_lt{"p_ctr2b"}')) {
                     targetform.submit();
                     return;
                 }
@@ -6327,7 +6471,7 @@ function togglePick(caller,value) {
         }
         document.getElementById('multi'+caller).style.display=disp;
         if (value == 1) {
-            document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',1);" style="text-decoration:none;">$lt{'more'}</a>'; 
+            document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',1);" style="text-decoration:none;">$js_lt{'more'}</a>'; 
         } else {
             document.getElementById('more'+caller).innerHTML = '';
         }
@@ -6353,10 +6497,10 @@ function togglePick(caller,value) {
 
 function toggleCheckUncheck(caller,more) {
     if (more == 1) {
-        document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',0);" style="text-decoration:none;">$lt{'less'}</a>';
+        document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',0);" style="text-decoration:none;">$js_lt{'less'}</a>';
         document.getElementById('allfields'+caller).style.display='block';
     } else {
-        document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',1);" style="text-decoration:none;">$lt{'more'}</a>';
+        document.getElementById('more'+caller).innerHTML = '&nbsp;&nbsp;<a href="javascript:toggleCheckUncheck(\\''+caller+'\\',1);" style="text-decoration:none;">$js_lt{'more'}</a>';
         document.getElementById('allfields'+caller).style.display='none';
     }
     resize_scrollbox('contentscroll','1','1');
@@ -6512,12 +6656,12 @@ function checkSubmits() {
         if (numchanges > 0) {
             if ((cutwarnings > 0) || (remwarnings > 0)) {
                 if (remwarnings > 0) {
-                    if (!confirm('$lt{"p_rmr1"}\\n\\n$lt{"p_rmr3a"} '+remwarnings+' $lt{"p_rmr3b"}')) {
+                    if (!confirm('$js_lt{"p_rmr1"}\\n\\n$js_lt{"p_rmr3a"} '+remwarnings+' $js_lt{"p_rmr3b"}')) {
                         return false;
                     }
                 }
                 if (cutwarnings > 0) {
-                    if (!confirm('$lt{"p_ctr1a"}\\n$lt{"p_ctr1b"}\\n\\n$lt{"p_ctr3a"} '+cutwarnings+' $lt{"p_ctr3b"}')) {
+                    if (!confirm('$js_lt{"p_ctr1a"}\\n$js_lt{"p_ctr1b"}\\n\\n$js_lt{"p_ctr3a"} '+cutwarnings+' $js_lt{"p_ctr3b"}')) {
                         return false;
                     }
                 }
@@ -6533,12 +6677,12 @@ function checkSubmits() {
         }
     }
     if ((dosettings == 1) && (doactions == 1)) {
-        alert("$lt{'noor'}");
+        alert("$js_lt{'noor'}");
     } else {
         if (dosettings == 1) {
-            alert("$lt{'noch'}");
+            alert("$js_lt{'noch'}");
         } else {
-            alert("$lt{'noac'}");
+            alert("$js_lt{'noac'}");
         }
     }
     return false;
@@ -6653,13 +6797,19 @@ ENDINJECT
 
 sub dump_switchserver_js {
     my @hosts = @_;
-    my %lt = &Apache::lonlocal::texthash(
-        dump => 'Copying Content to Authoring Space requires switching server.',
+    my %js_lt = &Apache::lonlocal::texthash(
+        dump => 'Copying content to Authoring Space requires switching server.',
+        swit => 'Switch server?',
+    );
+    my %html_js_lt = &Apache::lonlocal::texthash(
         swit => 'Switch server?',
         duco => 'Copying Content to Authoring Space',
         yone => 'You need to switch to a server housing an Authoring Space for which you are author or co-author.',
         chos => 'Choose server',
     );
+    &js_escape(\%js_lt);
+    &html_escape(\%html_js_lt);
+    &js_escape(\%html_js_lt);
     my $role = $env{'request.role'};
     my $js = <<"ENDSWJS";
 <script type="text/javascript">
@@ -6700,7 +6850,7 @@ ENDSWJS
 
 function dump_needs_switchserver(url) {
     if (url!='' && url!= null) {
-        if (confirm("$lt{'dump'}\\n$lt{'swit'}")) {
+        if (confirm("$js_lt{'dump'}\\n$js_lt{'swit'}")) {
             go(url);
         }
     }
@@ -6711,13 +6861,13 @@ function choose_switchserver_window() {
     newWindow = window.open('','ChooseServer','height=400,width=500,scrollbars=yes')
     newWindow.document.open();
     newWindow.document.writeln('$startpage');
-    newWindow.document.write('<h3>$lt{'duco'}<\\/h3>\\n'+
-       '<p>$lt{'yone'}<\\/p>\\n'+
-       '<div class="LC_left_float"><fieldset><legend>$lt{'chos'}<\\/legend>\\n'+
+    newWindow.document.write('<h3>$html_js_lt{'duco'}<\\/h3>\\n'+
+       '<p>$html_js_lt{'yone'}<\\/p>\\n'+
+       '<div class="LC_left_float"><fieldset><legend>$html_js_lt{'chos'}<\\/legend>\\n'+
        '<form name="setserver" method="post" action="" \\/>\\n'+
        '$hostpicker\\n'+
        '<br \\/><br \\/>\\n'+
-       '<input type="button" name="makeswitch" value="$lt{'swit'}" '+
+       '<input type="button" name="makeswitch" value="$html_js_lt{'swit'}" '+
        'onclick="write_switchserver();" \\/>\\n'+
        '<\\/form><\\/fieldset><\\/div><br clear="all" \\/>\\n');
     newWindow.document.writeln('$endpage');