# The LearningOnline Network
# Documents
#
# $Id: londocs.pm,v 1.325.2.8 2010/02/10 17:41:40 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
package Apache::londocs;
use strict;
use Apache::Constants qw(:common :http);
use Apache::imsexport;
use Apache::lonnet;
use Apache::loncommon;
use LONCAPA::map();
use Apache::lonratedt();
use Apache::lonxml;
use Apache::lonclonecourse;
use Apache::lonnavmaps;
use HTML::Entities;
use GDBM_File;
use Apache::lonlocal;
use Cwd;
use LONCAPA qw(:DEFAULT :match);
my $iconpath;
my %hash;
my $hashtied;
my %alreadyseen=();
my $hadchanges;
my %help=();
sub mapread {
my ($coursenum,$coursedom,$map)=@_;
return
&LONCAPA::map::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
$map);
}
sub storemap {
my ($coursenum,$coursedom,$map)=@_;
my ($outtext,$errtext)=
&LONCAPA::map::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
$map,1);
if ($errtext) { return ($errtext,2); }
$hadchanges=1;
return ($errtext,0);
}
sub authorhosts {
my %outhash=();
my $home=0;
my $other=0;
foreach my $key (keys(%env)) {
if ($key=~/^user\.role\.(au|ca)\.(.+)$/) {
my $role=$1;
my $realm=$2;
my ($start,$end)=split(/\./,$env{$key});
if (($start) && ($start>time)) { next; }
if (($end) && (time>$end)) { next; }
my ($ca,$cd);
if ($1 eq 'au') {
$ca=$env{'user.name'};
$cd=$env{'user.domain'};
} else {
($cd,$ca)=($realm=~/^\/($match_domain)\/($match_username)$/);
}
my $allowed=0;
my $myhome=&Apache::lonnet::homeserver($ca,$cd);
my @ids=&Apache::lonnet::current_machine_ids();
foreach my $id (@ids) { if ($id eq $myhome) { $allowed=1; } }
if ($allowed) {
$home++;
$outhash{'home_'.$ca.'@'.$cd}=1;
} else {
$outhash{'otherhome_'.$ca.'@'.$cd}=$myhome;
$other++;
}
}
}
return ($home,$other,%outhash);
}
sub dumpbutton {
my ($home,$other,%outhash)=&authorhosts();
my $crstype = &Apache::loncommon::course_type();
if ($home+$other==0) { return ''; }
if ($home) {
return '
'.
&mt('Dump '.$crstype.
' DOCS to Construction Space: available on other servers').
'
';
}
}
sub clean {
my ($title)=@_;
$title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
return $title;
}
sub dumpcourse {
my ($r) = @_;
my $crstype = &Apache::loncommon::course_type();
$r->print(&Apache::loncommon::start_page('Dump '.$crstype.' DOCS to Construction Space').
'');
}
}
sub exportbutton {
my $crstype = &Apache::loncommon::course_type();
return '
';
}
sub exportcourse {
my $r=shift;
my $crstype = &Apache::loncommon::course_type();
my %discussiontime = &Apache::lonnet::dump('discussiontimes',
$env{'course.'.$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)) {
$r->print(&Apache::loncommon::start_page('Export '.$crstype.' to IMS Package').
'
'.&mt('IMS Export Failed').'
'.
'
');
if ($crstype eq 'Community') {
$r->print(&mt('Unable to retrieve information about community contents'));
} else {
$r->print(&mt('Unable to retrieve information about course contents'));
}
$r->print('
');
if ($crstype eq 'Community') {
$r->print(&mt('Return to Community Editor'));
} else {
$r->print(&mt('Return to Course Editor'));
}
$r->print('');
&Apache::lonnet::logthis('IMS export failed - could not create navmap object in '.lc($crstype).':'.$env{'request.course.id'});
return;
}
my $it=$navmap->getIterator(undef,undef,undef,1,undef,undef);
my $curRes;
my $outcome;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['finishexport']);
if ($env{'form.finishexport'}) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['archive','discussion']);
my @exportitems = &Apache::loncommon::get_env_multiple('form.archive');
my @discussions = &Apache::loncommon::get_env_multiple('form.discussion');
if (@exportitems == 0 && @discussions == 0) {
$outcome =
'
'
.&mt('As you did not select any content items or discussions'
.' for export, an IMS package has not been created.')
.'
'
.'
'
.&mt('Please [_1]go back[_2] to select either content items'
.' or discussions for export.'
,''
,'')
.'
';
} else {
my $now = time;
my %symbs;
my $manifestok = 0;
my $imsresources;
my $tempexport;
my $copyresult;
my $ims_manifest = &create_ims_store($now,\$manifestok,\$outcome,\$tempexport);
if ($manifestok) {
&build_package($now,$navmap,\@exportitems,\@discussions,\$outcome,$tempexport,\$copyresult,$ims_manifest);
close($ims_manifest);
#Create zip file in prtspool
my $imszipfile = '/prtspool/'.
$env{'user.name'}.'_'.$env{'user.domain'}.'_'.
time.'_'.rand(1000000000).'.zip';
my $cwd = &Cwd::getcwd();
my $imszip = '/home/httpd/'.$imszipfile;
chdir $tempexport;
open(OUTPUT, "zip -r $imszip * 2> /dev/null |");
close(OUTPUT);
chdir $cwd;
$outcome .= '
'
.&mt('[_1]Your IMS package[_2] is ready for download.'
,'','')
.'
';
if ($copyresult) {
$outcome .= '
'
.&mt('The following errors occurred during export - [_1]'
,$copyresult)
.'
';
}
} else {
$outcome = '
'
.&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.')
.'
';
}
}
$r->print(&Apache::loncommon::start_page('Export '.$crstype.' to IMS Package'));
$r->print(&Apache::lonhtmlcommon::breadcrumbs('IMS Export'));
$r->print($outcome);
$r->print(&Apache::loncommon::end_page());
} else {
my $display='');
}
}
sub create_ims_store {
my ($now,$manifestok,$outcome,$tempexport) = @_;
$$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
my $ims_manifest;
if (!-e $$tempexport) {
mkdir($$tempexport,0700);
}
$$tempexport .= '/'.$now;
if (!-e $$tempexport) {
mkdir($$tempexport,0700);
}
$$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
if (!-e $$tempexport) {
mkdir($$tempexport,0700);
}
if (!-e "$$tempexport/resources") {
mkdir("$$tempexport/resources",0700);
}
# open manifest file
my $manifest = '/imsmanifest.xml';
my $manifestfilename = $$tempexport.$manifest;
if ($ims_manifest = Apache::File->new('>'.$manifestfilename)) {
$$manifestok=1;
print $ims_manifest
''."\n".
''."\n".
' '.$env{'request.course.id'}.''.$env{'course.'.$env{'request.course.id'}.'.description'}.''."\n".
' '."\n".
' '."\n".
' '.$env{'course.'.$env{'request.course.id'}.'.description'}.''
} else {
$$outcome .= 'An error occurred opening the IMS manifest file. '
;
}
return $ims_manifest;
}
sub build_package {
my ($now,$navmap,$exportitems,$discussions,$outcome,$tempexport,$copyresult,$ims_manifest) = @_;
# first iterator to look for dependencies
my $it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
my $curRes;
my $count = 0;
my $depth = 0;
my $lastcontainer = 0;
my %parent = ();
my @dependencies = ();
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
while ($curRes = $it->next()) {
if (ref($curRes)) {
$count ++;
}
if ($curRes == $it->BEGIN_MAP()) {
$depth++;
$parent{$depth} = $lastcontainer;
}
if ($curRes == $it->END_MAP()) {
$depth--;
$lastcontainer = $parent{$depth};
}
if (ref($curRes)) {
if ($curRes->is_sequence() || $curRes->is_page()) {
$lastcontainer = $count;
}
if (grep(/^$count$/,@$exportitems)) {
&get_dependencies($exportitems,\%parent,$depth,\@dependencies);
}
}
}
# second iterator to build manifest and store resources
$it = $navmap->getIterator(undef,undef,undef,1,undef,undef);
$depth = 0;
my $prevdepth;
$count = 0;
my $imsresources;
my $pkgdepth;
while ($curRes = $it->next()) {
if ($curRes == $it->BEGIN_MAP()) {
$prevdepth = $depth;
$depth++;
}
if ($curRes == $it->END_MAP()) {
$prevdepth = $depth;
$depth--;
}
if (ref($curRes)) {
$count ++;
if ((grep(/^$count$/,@$exportitems)) || (grep(/^$count$/,@dependencies))) {
my $symb = $curRes->symb();
my $isvisible = 'true';
my $resourceref;
if ($curRes->randomout()) {
$isvisible = 'false';
}
unless ($curRes->is_sequence()) {
$resourceref = 'identifierref="RES-'.$env{'request.course.id'}.'-'.$count.'"';
}
my $step = $prevdepth - $depth;
if (($step >= 0) && ($count > 1)) {
while ($step >= 0) {
print $ims_manifest "\n".' '."\n";
$step --;
}
}
$prevdepth = $depth;
my $itementry =
''.
''.$curRes->title().'';
print $ims_manifest "\n".$itementry;
unless ($curRes->is_sequence()) {
my $content_file;
my @hrefs = ();
&process_content($count,$curRes,$cdom,$cnum,$symb,\$content_file,\@hrefs,$copyresult,$tempexport);
if ($content_file) {
$imsresources .= "\n".
' '."\n".
' '."\n";
foreach my $item (@hrefs) {
$imsresources .=
' '."\n";
}
if (grep(/^$count$/,@$discussions)) {
my $ressymb = $symb;
my $mode;
if ($ressymb =~ m|adm/($match_domain)/($match_username)/(\d+)/bulletinboard$|) {
unless ($ressymb =~ m|adm/wrapper/adm|) {
$ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
}
$mode = 'board';
}
my %extras = (
caller => 'imsexport',
tempexport => $tempexport.'/resources',
count => $count
);
my $discresult = &Apache::lonfeedback::list_discussion($mode,undef,$ressymb,\%extras);
}
$imsresources .= ' '."\n";
}
}
$pkgdepth = $depth;
}
}
}
while ($pkgdepth > 0) {
print $ims_manifest " \n";
$pkgdepth --;
}
my $resource_text = qq|
$imsresources
|;
print $ims_manifest $resource_text;
}
sub get_dependencies {
my ($exportitems,$parent,$depth,$dependencies) = @_;
if ($depth > 1) {
if ((!grep(/^$$parent{$depth}$/,@$exportitems)) && (!grep(/^$$parent{$depth}$/,@$dependencies))) {
push(@{$dependencies},$$parent{$depth});
if ($depth > 2) {
&get_dependencies($exportitems,$parent,$depth-1,$dependencies);
}
}
}
}
sub process_content {
my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
my $content_type;
my $message;
my @uploads = ();
if ($curRes->is_sequence()) {
$content_type = 'sequence';
} elsif ($curRes->is_page()) {
$content_type = 'page'; # need to handle individual items in pages.
} elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
$content_type = 'syllabus';
my $contents = &Apache::imsexport::templatedpage($content_type);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-\.sequence___\d+___ext-) {
$content_type = 'external';
my $title = $curRes->title;
my $contents = &Apache::imsexport::external($symb,$title);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-adm/navmaps$-) {
$content_type = 'navmap';
} elsif ($symb =~ m-adm/[^/]+/[^/]+/(\d+)/smppg$-) {
$content_type = 'simplepage';
my $contents = &Apache::imsexport::templatedpage($content_type,$1,$count,\@uploads);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-lib/templates/simpleproblem\.problem$-) {
$content_type = 'simpleproblem';
my $contents = &Apache::imsexport::simpleproblem($symb);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-lib/templates/examupload\.problem$-) {
$content_type = 'examupload';
} elsif ($symb =~ m-adm/($match_domain)/($match_username)/(\d+)/bulletinboard$-) {
$content_type = 'bulletinboard';
my $contents = &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-adm/([^/]+)/([^/]+)/aboutme$-) {
$content_type = 'aboutme';
my $contents = &Apache::imsexport::templatedpage($content_type,undef,$count,\@uploads,$1,$2);
if ($contents) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-\.(sequence|page)___\d+___uploaded/$cdom/$cnum/-) {
$$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
} elsif ($symb =~ m-\.(sequence|page)___\d+___([^/]+)/([^/]+)-) {
my $canedit = 0;
if ($2 eq $env{'user.domain'} && $3 eq $env{'user.name'}) {
$canedit= 1;
}
# only include problem code where current user is author
if ($canedit) {
$$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'resource');
} else {
$$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'noedit');
}
} elsif ($symb =~ m-uploaded/$cdom/$cnum-) {
$$content_file = &replicate_content($cdom,$cnum,$tempexport,$symb,$count,\$message,$href,'uploaded');
}
if (@uploads > 0) {
foreach my $item (@uploads) {
my $uploadmsg = '';
&replicate_content($cdom,$cnum,$tempexport,$item,$count,\$uploadmsg,$href,'templateupload');
if ($uploadmsg) {
$$copyresult .= $uploadmsg."\n";
}
}
}
if ($message) {
$$copyresult .= $message."\n";
}
}
sub replicate_content {
my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
my ($map,$ind,$url);
if ($caller eq 'templateupload') {
$url = $symb;
$url =~ s#//#/#g;
} else {
($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
}
my $content;
my $filename;
my $repstatus;
my $content_name;
if ($url =~ m-/([^/]+)$-) {
$filename = $1;
if (!-e $tempexport.'/resources') {
mkdir($tempexport.'/resources',0700);
}
if (!-e $tempexport.'/resources/'.$count) {
mkdir($tempexport.'/resources/'.$count,0700);
}
my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
my $copiedfile;
if ($copiedfile = Apache::File->new('>'.$destination)) {
my $content;
if ($caller eq 'resource') {
my $respath = $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
my $filepath = &Apache::lonnet::filelocation($respath,$url);
$content = &Apache::lonnet::getfile($filepath);
if ($content eq -1) {
$$message = 'Could not copy file '.$filename;
} else {
&extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'resource');
$repstatus = 'ok';
}
} elsif ($caller eq 'uploaded' || $caller eq 'templateupload') {
my $rtncode;
$repstatus = &Apache::lonnet::getuploaded('GET',$url,$cdom,$cnum,\$content,$rtncode);
if ($repstatus eq 'ok') {
if ($url =~ /\.html?$/i) {
&extract_media($url,$cdom,$cnum,\$content,$count,$tempexport,$href,$message,'uploaded');
}
} else {
$$message = 'Could not render '.$url.' server message - '.$rtncode." \n";
}
} elsif ($caller eq 'noedit') {
# Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this.
$repstatus = 'ok';
$content = 'Not the owner of this resource';
}
if ($repstatus eq 'ok') {
print $copiedfile $content;
}
close($copiedfile);
} else {
$$message = 'Could not open destination file for '.$filename." \n";
}
} else {
$$message = 'Could not determine name of file for '.$symb." \n";
}
if ($repstatus eq 'ok') {
$content_name = 'resources/'.$count.'/'.$filename;
}
return $content_name;
}
sub extract_media {
my ($url,$cdom,$cnum,$content,$count,$tempexport,$href,$message,$caller) = @_;
my ($dirpath,$container);
my %allfiles = ();
my %codebase = ();
if ($url =~ m-(.*/)([^/]+)$-) {
$dirpath = $1;
$container = $2;
} else {
$dirpath = $url;
$container = '';
}
&Apache::lonnet::extract_embedded_items(undef,\%allfiles,\%codebase,$content);
foreach my $embed_file (keys(%allfiles)) {
my $filename;
if ($embed_file =~ m#([^/]+)$#) {
$filename = $1;
} else {
$filename = $embed_file;
}
my $newname = 'res/'.$filename;
my ($rtncode,$embed_content,$repstatus);
my $embed_url;
if ($embed_file =~ m-^/-) {
$embed_url = $embed_file; # points to absolute path
} else {
if ($embed_file =~ m-https?://-) {
next; # points to url
} else {
$embed_url = $dirpath.$embed_file; # points to relative path
}
}
if ($caller eq 'resource') {
my $respath = $Apache::lonnet::perlvar{'lonDocRoot'}.'/res';
my $embed_path = &Apache::lonnet::filelocation($respath,$embed_url);
$embed_content = &Apache::lonnet::getfile($embed_path);
unless ($embed_content eq -1) {
$repstatus = 'ok';
}
} elsif ($caller eq 'uploaded') {
$repstatus = &Apache::lonnet::getuploaded('GET',$embed_url,$cdom,$cnum,\$embed_content,$rtncode);
}
if ($repstatus eq 'ok') {
my $destination = $tempexport.'/resources/'.$count.'/res';
if (!-e "$destination") {
mkdir($destination,0755);
}
$destination .= '/'.$filename;
my $copiedfile;
if ($copiedfile = Apache::File->new('>'.$destination)) {
print $copiedfile $embed_content;
push(@{$href},'resources/'.$count.'/res/'.$filename);
my $attrib_regexp = '';
if (@{$allfiles{$embed_file}} > 1) {
$attrib_regexp = join('|',@{$allfiles{$embed_file}});
} else {
$attrib_regexp = $allfiles{$embed_file}[0];
}
$$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$embed_file\E(['"]?)#$1$newname$2#gi;
if ($caller eq 'resource' && $container =~ /\.(problem|library)$/) {
$$content =~ s#\Q$embed_file\E#$newname#gi;
}
}
} else {
$$message .= 'replication of embedded file - '.$embed_file.' in '.$url.' failed, reason -'.$rtncode." \n";
}
}
return;
}
sub store_template {
my ($contents,$tempexport,$count,$content_type) = @_;
if ($contents) {
if ($tempexport) {
if (!-e $tempexport.'/resources') {
mkdir($tempexport.'/resources',0700);
}
if (!-e $tempexport.'/resources/'.$count) {
mkdir($tempexport.'/resources/'.$count,0700);
}
my $destination = $tempexport.'/resources/'.$count.'/'.$content_type.'.xml';
my $storetemplate;
if ($storetemplate = Apache::File->new('>'.$destination)) {
print $storetemplate $contents;
close($storetemplate);
}
if ($content_type eq 'external') {
return 'resources/'.$count.'/'.$content_type.'.html';
} else {
return 'resources/'.$count.'/'.$content_type.'.xml';
}
}
}
}
sub group_import {
my ($coursenum, $coursedom, $folder, $container, $caller, @files) = @_;
while (@files) {
my ($name, $url, $residx) = @{ shift(@files) };
if (($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/(default_\d+\.)(page|sequence)$})
&& ($caller eq 'londocs')
&& (!&Apache::lonnet::stat_file($url))) {
my $errtext = '';
my $fatal = 0;
my $newmapstr = '';
$env{'form.output'}=$newmapstr;
my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,
'output',$1.$2);
if ($result != m|^/uploaded/|) {
$errtext.='Map not saved: A network error occurred when trying to save the new map. ';
$fatal = 2;
}
if ($fatal) {
return ($errtext,$fatal);
}
}
if ($url) {
if (!$residx
|| defined($LONCAPA::map::zombies[$residx])) {
$residx = &LONCAPA::map::getresidx($url,$residx);
push(@LONCAPA::map::order, $residx);
}
my $ext = 'false';
if ($url=~m{^http://} || $url=~m{^https://}) { $ext = 'true'; }
$url = &LONCAPA::map::qtunescape($url);
$name = &LONCAPA::map::qtunescape($name);
$LONCAPA::map::resources[$residx] =
join(':', ($name, $url, $ext, 'normal', 'res'));
}
}
return &storemap($coursenum, $coursedom, $folder.'.'.$container);
}
sub breadcrumbs {
my ($allowed,$crstype)=@_;
&Apache::lonhtmlcommon::clear_breadcrumbs();
my (@folders);
if ($env{'form.pagepath'}) {
@folders = split('&',$env{'form.pagepath'});
} else {
@folders=split('&',$env{'form.folderpath'});
}
my $folderpath;
my $cpinfo='';
my $plain='';
my $randompick=-1;
my $isencrypted=0;
my $ishidden=0;
my $is_random_order=0;
while (@folders) {
my $folder=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, 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) {
$name = &mt('Supplemental '.$crstype.' Documents');
} else {
$name = &mt($crstype.' Documents');
}
}
&Apache::lonhtmlcommon::add_breadcrumb(
{'href'=>$url.$cpinfo,
'title'=>$name,
'text'=>''.
$name.'',
'no_mt'=>1,
});
$plain.=$name.' > ';
}
$plain=~s/\>\;\s*$//;
return (&Apache::lonhtmlcommon::breadcrumbs(undef,undef,0,'nohelp',
'LC_docs_path'),$randompick,$ishidden,$isencrypted,$plain,$is_random_order);
}
sub log_docs {
return &Apache::lonnet::instructor_log('docslog',@_);
}
{
my @oldresources=();
my @oldorder=();
my $parmidx;
my %parmaction=();
my %parmvalue=();
my $changedflag;
sub snapshotbefore {
@oldresources=@LONCAPA::map::resources;
@oldorder=@LONCAPA::map::order;
$parmidx=undef;
%parmaction=();
%parmvalue=();
$changedflag=0;
}
sub remember_parms {
my ($idx,$parameter,$action,$value)=@_;
$parmidx=$idx;
$parmaction{$parameter}=$action;
$parmvalue{$parameter}=$value;
$changedflag=1;
}
sub log_differences {
my ($plain)=@_;
my %storehash=('folder' => $plain,
'currentfolder' => $env{'form.folder'});
if ($parmidx) {
$storehash{'parameter_res'}=$oldresources[$parmidx];
foreach my $parm (keys(%parmaction)) {
$storehash{'parameter_action_'.$parm}=$parmaction{$parm};
$storehash{'parameter_value_'.$parm}=$parmvalue{$parm};
}
}
my $maxidx=$#oldresources;
if ($#LONCAPA::map::resources>$#oldresources) {
$maxidx=$#LONCAPA::map::resources;
}
for (my $idx=0; $idx<=$maxidx; $idx++) {
if ($LONCAPA::map::resources[$idx] ne $oldresources[$idx]) {
$storehash{'before_resources_'.$idx}=$oldresources[$idx];
$storehash{'after_resources_'.$idx}=$LONCAPA::map::resources[$idx];
$changedflag=1;
}
if ($LONCAPA::map::order[$idx] ne $oldorder[$idx]) {
$storehash{'before_order_res_'.$idx}=$oldresources[$oldorder[$idx]];
$storehash{'after_order_res_'.$idx}=$LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
$changedflag=1;
}
}
$storehash{'maxidx'}=$maxidx;
if ($changedflag) { &log_docs(\%storehash); }
}
}
sub docs_change_log {
my ($r)=@_;
my $folder=$env{'form.folder'};
$r->print(&Apache::loncommon::start_page('Course Document Change Log'));
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Course Document Change Log'));
my %docslog=&Apache::lonnet::dump('nohist_docslog',
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
if ((keys(%docslog))[0]=~/^error\:/) { undef(%docslog); }
$r->print('');
$r->print(&Apache::loncommon::start_data_table().&Apache::loncommon::start_data_table_header_row().
'
'.&mt('Time').'
'.&mt('User').'
'.&mt('Folder').'
'.&mt('Before').'
'.
&mt('After').'
'.
&Apache::loncommon::end_data_table_header_row());
my $shown=0;
foreach my $id (sort { $docslog{$b}{'exe_time'}<=>$docslog{$a}{'exe_time'} } (keys(%docslog))) {
if ($env{'form.displayfilter'} eq 'currentfolder') {
if ($docslog{$id}{'logentry'}{'currentfolder'} ne $folder) { next; }
}
my @changes=keys(%{$docslog{$id}{'logentry'}});
if ($env{'form.displayfilter'} eq 'containing') {
my $wholeentry=$docslog{$id}{'exe_uname'}.':'.$docslog{$id}{'exe_udom'}.':'.
&Apache::loncommon::plainname($docslog{$id}{'exe_uname'},$docslog{$id}{'exe_udom'});
foreach my $key (@changes) {
$wholeentry.=':'.$docslog{$id}{'logentry'}{$key};
}
if ($wholeentry!~/\Q$env{'form.containingphrase'}\E/i) { next; }
}
my $count = 0;
my $time =
&Apache::lonlocal::locallocaltime($docslog{$id}{'exe_time'});
my $plainname =
&Apache::loncommon::plainname($docslog{$id}{'exe_uname'},
$docslog{$id}{'exe_udom'});
my $about_me_link =
&Apache::loncommon::aboutmewrapper($plainname,
$docslog{$id}{'exe_uname'},
$docslog{$id}{'exe_udom'});
my $send_msg_link='';
if ((($docslog{$id}{'exe_uname'} ne $env{'user.name'})
|| ($docslog{$id}{'exe_udom'} ne $env{'user.domain'}))) {
$send_msg_link =' '.
&Apache::loncommon::messagewrapper(&mt('Send message'),
$docslog{$id}{'exe_uname'},
$docslog{$id}{'exe_udom'});
}
$r->print(&Apache::loncommon::start_data_table_row());
$r->print('
');
# Before
for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
if ($oldname ne $newname) {
$r->print(&LONCAPA::map::qtescape($oldname));
}
}
$r->print('
');
for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
if ($docslog{$id}{'logentry'}{'before_order_res_'.$idx}) {
$r->print('
');
for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
my $oldname=(split(/\:/,$docslog{$id}{'logentry'}{'before_resources_'.$idx}))[0];
my $newname=(split(/\:/,$docslog{$id}{'logentry'}{'after_resources_'.$idx}))[0];
if ($oldname ne '' && $oldname ne $newname) {
$r->print(&LONCAPA::map::qtescape($newname));
}
}
$r->print('
');
for (my $idx=0;$idx<=$docslog{$id}{'logentry'}{'maxidx'};$idx++) {
if ($docslog{$id}{'logentry'}{'after_order_res_'.$idx}) {
$r->print('
');
if ($docslog{$id}{'logentry'}{'parameter_res'}) {
$r->print(&LONCAPA::map::qtescape((split(/\:/,$docslog{$id}{'logentry'}{'parameter_res'}))[0]).':
');
foreach my $parameter ('randompick','hiddenresource','encrypturl','randomorder') {
if ($docslog{$id}{'logentry'}{'parameter_action_'.$parameter}) {
$r->print('
');
}
sub do_paste_from_buffer {
my ($coursenum,$coursedom,$folder) = @_;
if (!$env{'form.pastemarked'}) {
return;
}
# paste resource to end of list
my $url=&LONCAPA::map::qtescape($env{'docs.markedcopy_url'});
my $title=&LONCAPA::map::qtescape($env{'docs.markedcopy_title'});
# Maps need to be copied first
if (($url=~/\.(page|sequence)$/) && ($url=~/^\/uploaded\//)) {
$title=&mt('Copy of').' '.$title;
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/}{};
my $paste_map_result =
&Apache::lonclonecourse::writefile($env{'request.course.id'},$storefn,
&Apache::lonnet::getfile($url));
if ($paste_map_result eq '/adm/notfound.html') {
if ($url=~/\.page$/) {
return &mt('Paste failed: an error occurred saving the composite page');
} else {
return &mt('Paste failed: an error occurred saving the folder');
}
}
$url = $newurl;
}
# published maps can only exists once, so remove it from paste buffer when done
if (($url=~/\.(page|sequence)$/) && ($url=~m {^/res/})) {
&Apache::lonnet::delenv('docs.markedcopy');
}
if ($url=~ m{/smppg$}) {
my $db_name = &Apache::lonsimplepage::get_db_name($url);
if ($db_name =~ /^smppage_/) {
#simple pages, need to copy the db contents to a new one.
my %contents=&Apache::lonnet::dump($db_name,$coursedom,$coursenum);
my $now = time();
$db_name =~ s{_\d*$ }{_$now}x;
my $result=&Apache::lonnet::put($db_name,\%contents,
$coursedom,$coursenum);
$url =~ s{/(\d*)/smppg$ }{/$now/smppg}x;
$title=&mt('Copy of').' '.$title;
}
}
$title = &LONCAPA::map::qtunescape($title);
my $ext='false';
if ($url=~m{^http(|s)://}) { $ext='true'; }
$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);
return 'ok';
# 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',
'randomorder' => 'string_yesno',);
my $valid_parameters_re = join('|',keys(%parameter_type));
# set parameters
sub update_parameter {
return 0 if ($env{'form.changeparms'} !~ /^($valid_parameters_re)$/);
my $which = $env{'form.changeparms'};
my $idx = $env{'form.setparms'};
if ($env{'form.'.$which.'_'.$idx}) {
my $value = ($which eq 'randompick') ? $env{'form.'.$which.'_'.$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');
}
return 1;
}
sub handle_edit_cmd {
my ($coursenum,$coursedom) =@_;
my ($cmd,$idx)=split('_',$env{'form.cmd'});
my $ratstr = $LONCAPA::map::resources[$LONCAPA::map::order[$idx]];
my ($title, $url, @rrest) = split(':', $ratstr);
if ($cmd eq 'del') {
if (($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) &&
($url!~/\.(page|sequence|problem|exam|quiz|assess|survey|form|library|task)$/)) {
&Apache::lonnet::removeuploadedurl($url);
} else {
&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
}
splice(@LONCAPA::map::order, $idx, 1);
} elsif ($cmd eq 'cut') {
&LONCAPA::map::makezombie($LONCAPA::map::order[$idx]);
splice(@LONCAPA::map::order, $idx, 1);
} elsif ($cmd eq 'up'
&& ($idx) && (defined($LONCAPA::map::order[$idx-1]))) {
@LONCAPA::map::order[$idx-1,$idx] = @LONCAPA::map::order[$idx,$idx-1];
} elsif ($cmd eq 'down'
&& defined($LONCAPA::map::order[$idx+1])) {
@LONCAPA::map::order[$idx+1,$idx] = @LONCAPA::map::order[$idx,$idx+1];
} elsif ($cmd eq 'rename') {
my $comment = &LONCAPA::map::qtunescape($env{'form.title'});
if ($comment=~/\S/) {
$LONCAPA::map::resources[$LONCAPA::map::order[$idx]]=
$comment.':'.join(':', $url, @rrest);
}
# Devalidate title cache
my $renamed_url=&LONCAPA::map::qtescape($url);
&Apache::lonnet::devalidate_title_cache($renamed_url);
} else {
return 0;
}
return 1;
}
sub editor {
my ($r,$coursenum,$coursedom,$folder,$allowed,$upload_output,$crstype)=@_;
my $container= ($env{'form.pagepath'}) ? 'page'
: 'sequence';
my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
$folder.'.'.$container);
return $errtext if ($fatal);
if ($#LONCAPA::map::order<1) {
my $idx=&LONCAPA::map::getresidx();
if ($idx<=0) { $idx=1; }
$LONCAPA::map::order[0]=$idx;
$LONCAPA::map::resources[$idx]='';
}
my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,$is_random_order)=
&breadcrumbs($allowed,$crstype);
$r->print($breadcrumbtrail);
# ------------------------------------------------------------ Process commands
# ---------------- if they are for this folder and user allowed to make changes
if (($allowed) && ($env{'form.folder'} eq $folder)) {
# set parameters and change order
&snapshotbefore();
if (&update_parameter()) {
($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
return $errtext if ($fatal);
}
if ($env{'form.newpos'} && $env{'form.currentpos'}) {
# change order
my $res = splice(@LONCAPA::map::order,$env{'form.currentpos'}-1,1);
splice(@LONCAPA::map::order,$env{'form.newpos'}-1,0,$res);
($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
return $errtext if ($fatal);
}
if ($env{'form.pastemarked'}) {
my $paste_res =
&do_paste_from_buffer($coursenum,$coursedom,$folder);
if ($paste_res eq 'ok') {
($errtext,$fatal) = &storemap($coursenum,$coursedom,$folder.'.'.$container);
return $errtext if ($fatal);
} elsif ($paste_res ne '') {
$r->print('
'.$paste_res.'
');
}
}
$r->print($upload_output);
if (&handle_edit_cmd()) {
($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
return $errtext if ($fatal);
}
# Group import/search
if ($env{'form.importdetail'}) {
my @imports;
foreach my $item (split(/\&/,$env{'form.importdetail'})) {
if (defined($item)) {
my ($name,$url,$residx)=
map {&unescape($_)} split(/\=/,$item);
push(@imports, [$name, $url, $residx]);
}
}
($errtext,$fatal)=&group_import($coursenum, $coursedom, $folder,
$container,'londocs',@imports);
return $errtext if ($fatal);
}
# Loading a complete map
if ($env{'form.loadmap'}) {
if ($env{'form.importmap'}=~/\w/) {
foreach my $res (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
my ($title,$url,$ext,$type)=split(/\:/,$res);
my $idx=&LONCAPA::map::getresidx($url);
$LONCAPA::map::resources[$idx]=$res;
$LONCAPA::map::order[$#LONCAPA::map::order+1]=$idx;
}
($errtext,$fatal)=&storemap($coursenum,$coursedom,
$folder.'.'.$container);
return $errtext if ($fatal);
} else {
$r->print('
'.&mt('No map selected.').'
');
}
}
&log_differences($plain);
}
# ---------------------------------------------------------------- End commands
# ---------------------------------------------------------------- Print screen
my $idx=0;
my $shown=0;
if (($ishidden) || ($isencrypted) || ($randompick>=0) || ($is_random_order)) {
$r->print('
'.&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.').'
');
}
if ($is_random_order) {
$r->print('
'.&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.').'
\n");
if ($allowed) {
&print_paste_buffer($r,$container);
}
return;
}
sub process_file_upload {
my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
# upload a file, if present
my $parseaction;
if ($env{'form.parserflag'}) {
$parseaction = 'parse';
}
my $phase_status;
my $folder=$env{'form.folder'};
if ($folder eq '') {
$folder='default';
}
if ( ($folder=~/^$uploadcmd/) || ($uploadcmd eq 'default') ) {
my $errtext='';
my $fatal=0;
my $container='sequence';
if ($env{'form.pagepath'}) {
$container='page';
}
($errtext,$fatal)=
&mapread($coursenum,$coursedom,$folder.'.'.$container);
if ($#LONCAPA::map::order<1) {
$LONCAPA::map::order[0]=1;
$LONCAPA::map::resources[1]='';
}
if ($fatal) {
return 'failed';
}
my $destination = 'docs/';
if ($folder =~ /^supplemental/) {
$destination = 'supplemental/';
}
if (($folder eq 'default') || ($folder eq 'supplemental')) {
$destination .= 'default/';
} elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
$destination .= $2.'/';
}
# this is for a course, not a user, so set coursedoc flag
# probably the only place in the system where this should be "1"
my $newidx=&LONCAPA::map::getresidx();
$destination .= $newidx;
my $url=&Apache::lonnet::userfileupload('uploaddoc',1,$destination,
$parseaction,$allfiles,
$codebase);
my $ext='false';
if ($url=~m{^http://}) { $ext='true'; }
$url = &LONCAPA::map::qtunescape($url);
my $comment=$env{'form.comment'};
$comment = &LONCAPA::map::qtunescape($comment);
if ($folder=~/^supplemental/) {
$comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
$env{'user.domain'}.'___&&&___'.$comment;
}
$LONCAPA::map::resources[$newidx]=
$comment.':'.$url.':'.$ext.':normal:res';
$LONCAPA::map::order[$#LONCAPA::map::order+1]= $newidx;
($errtext,$fatal)=&storemap($coursenum,$coursedom,
$folder.'.'.$container);
if ($fatal) {
$$upload_output .= '
'.$errtext.'
';
return 'failed';
} else {
if ($parseaction eq 'parse') {
my $total_embedded = scalar(keys(%{$allfiles}));
if ($total_embedded > 0) {
my $num = 0;
my $state = '
';
$phase_status = 'phasetwo';
$$upload_output .=
'This file contains embedded multimedia objects, which need to be uploaded to LON-CAPA. '.
&Apache::loncommon::ask_for_embedded_content(
'/adm/coursedocs',$state,$allfiles,$codebase);
} else {
$$upload_output .= 'No embedded items identified ';
}
}
}
}
return $phase_status;
}
sub process_secondary_uploads {
my ($upload_output,$coursedom,$coursenum,$formname,$num,$newidx) = @_;
my $folder=$env{'form.folder'};
my $destination = 'docs/';
if ($folder =~ /^supplemental/) {
$destination = 'supplemental/';
}
if (($folder eq 'default') || ($folder eq 'supplemental')) {
$destination .= 'default/';
} elsif ($folder =~ /^(default|supplemental)_(\d+)$/) {
$destination .= $2.'/';
}
$destination .= $newidx;
my ($url,$filename);
$url=&Apache::lonnet::userfileupload($formname.$num,1,$destination);
($filename) = ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E/\Q$destination\E/(.+)$});
return $filename;
}
sub is_supplemental_title {
my ($title) = @_;
return scalar($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/);
}
sub parse_supplemental_title {
my ($title) = @_;
my ($foldertitle,$renametitle);
if ($title =~ /&&&/) {
$title = &HTML::Entites::decode($title);
}
if ($title =~ m/^(\d+)___&&&___($match_username)___&&&___($match_domain)___&&&___(.*)$/) {
$renametitle=$4;
my ($time,$uname,$udom) = ($1,$2,$3);
$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
my $name = &Apache::loncommon::plainname($uname,$udom);
$name = &HTML::Entities::encode($name,'"<>&\'');
$renametitle = &HTML::Entities::encode($renametitle,'"<>&\'');
$title=''.&Apache::lonlocal::locallocaltime($time).' '.
$name.': '.$foldertitle;
}
if (wantarray) {
return ($title,$foldertitle,$renametitle);
}
return $title;
}
# --------------------------------------------------------------- An entry line
sub entryline {
my ($index,$title,$url,$folder,$allowed,$residx,$coursenum,$crstype)=@_;
my ($foldertitle,$pagetitle,$renametitle);
if (&is_supplemental_title($title)) {
($title,$foldertitle,$renametitle) = &parse_supplemental_title($title);
$pagetitle = $foldertitle;
} else {
$title=&HTML::Entities::encode($title,'"<>&\'');
$renametitle=$title;
$foldertitle=$title;
$pagetitle=$title;
}
my $orderidx=$LONCAPA::map::order[$index];
$renametitle=~s/\\/\\\\/g;
$renametitle=~s/\"\;/\\\"/g;
$renametitle=~s/ /%20/g;
my $line='
';
my ($form_start,$form_end);
# Edit commands
my ($container, $type, $esc_path, $path, $symb);
if ($env{'form.folderpath'}) {
$type = 'folder';
$container = 'sequence';
$esc_path=&escape($env{'form.folderpath'});
$path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
}
if ($env{'form.pagepath'}) {
$type = $container = 'page';
$esc_path=&escape($path = $env{'form.pagepath'});
$path = &HTML::Entities::encode($env{'form.pagepath'},'<>&"');
$symb=&escape($env{'form.pagesymb'});
}
my $cpinfo='';
if ($allowed) {
my $incindex=$index+1;
my $selectbox='';
if (($folder!~/^supplemental/) &&
($#LONCAPA::map::order>0) &&
((split(/\:/,
$LONCAPA::map::resources[$LONCAPA::map::order[0]]))[1]
ne '') &&
((split(/\:/,
$LONCAPA::map::resources[$LONCAPA::map::order[1]]))[1]
ne '')) {
$selectbox=
''.
'';
}
my %lt=&Apache::lonlocal::texthash(
'up' => 'Move Up',
'dw' => 'Move Down',
'rm' => 'Remove',
'ct' => 'Cut',
'rn' => 'Rename',
'cp' => 'Copy');
my $nocopy=0;
my $nocut=0;
if ($url=~/\.(page|sequence)$/) {
if ($url =~ m{/res/}) {
# no copy for published maps
$nocopy = 1;
} else {
foreach my $item (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$url),1)) {
my ($title,$url,$ext,$type)=split(/\:/,$item);
if (($url=~/\.(page|sequence)/) && ($type ne 'zombie')) {
$nocopy=1;
last;
}
}
}
}
if ($url=~/^\/res\/lib\/templates\//) {
$nocopy=1;
$nocut=1;
}
my $copylink=' ';
my $cutlink=' ';
my $skip_confirm = 0;
if ( $folder =~ /^supplemental/
|| ($url =~ m{( /smppg$
|/syllabus$
|/aboutme$
|/navmaps$
|/bulletinboard$
|\.html$
|^/adm/wrapper/ext)}x)) {
$skip_confirm = 1;
}
if (!$nocopy) {
$copylink=(<$lt{'cp'}
ENDCOPY
}
if (!$nocut) {
$cutlink=(<$lt{'ct'}
ENDCUT
}
$form_start = (<
END
$form_end = '';
$line.=(<
";
if (($allowed) && ($folder!~/^supplemental/)) {
my %lt=&Apache::lonlocal::texthash(
'hd' => 'Hidden',
'ec' => 'URL hidden');
my $enctext=
((&LONCAPA::map::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="checked"':'');
my $hidtext=
((&LONCAPA::map::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="checked"':'');
$line.=(<
$form_start
$form_end
$form_start
$form_end
$form_start $rand_order_text $form_end
$form_start $parameterset $form_end
ENDPARMS
}
$line.="
";
return $line;
}
=pod
=item tiehash()
tie the hash
=cut
sub tiehash {
my ($mode)=@_;
$hashtied=0;
if ($env{'request.course.fn'}) {
if ($mode eq 'write') {
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
&GDBM_WRCREAT(),0640)) {
$hashtied=2;
}
} else {
if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.".db",
&GDBM_READER(),0640)) {
$hashtied=1;
}
}
}
}
sub untiehash {
if ($hashtied) { untie %hash; }
$hashtied=0;
return OK;
}
sub checkonthis {
my ($r,$url,$level,$title)=@_;
$url=&unescape($url);
$alreadyseen{$url}=1;
$r->rflush();
if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
$r->print("\n ");
if ($level==0) {
$r->print(" ");
}
for (my $i=0;$i<=$level*5;$i++) {
$r->print(' ');
}
$r->print(''.
($title?$title:$url).' ');
if ($url=~/^\/res\//) {
my $result=&Apache::lonnet::repcopy(
&Apache::lonnet::filelocation('',$url));
if ($result eq 'ok') {
$r->print(''.&mt('ok').'');
$r->rflush();
&Apache::lonnet::countacc($url);
$url=~/\.(\w+)$/;
if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
$r->print(' ');
$r->rflush();
for (my $i=0;$i<=$level*5;$i++) {
$r->print(' ');
}
$r->print('- '.&mt('Rendering:').' ');
my ($errorcount,$warningcount)=split(/:/,
&Apache::lonnet::ssi_body($url,
('grade_target'=>'web',
'return_only_error_and_warning_counts' => 1)));
if (($errorcount) ||
($warningcount)) {
if ($errorcount) {
$r->print(''.
&mt('[quant,_1,error]',$errorcount).'');
}
if ($warningcount) {
$r->print(''.
&mt('[quant,_1,warning]',$warningcount).'');
}
} else {
$r->print(''.&mt('ok').'');
}
$r->rflush();
}
my $dependencies=
&Apache::lonnet::metadata($url,'dependencies');
foreach my $dep (split(/\,/,$dependencies)) {
if (($dep=~/^\/res\//) && (!$alreadyseen{$dep})) {
&checkonthis($r,$dep,$level+1);
}
}
} elsif ($result eq 'unavailable') {
$r->print(''.&mt('connection down').'');
} elsif ($result eq 'not_found') {
unless ($url=~/\$/) {
$r->print(''.&mt('not found').'');
} else {
$r->print(''.&mt('unable to verify variable URL').'');
}
} else {
$r->print(''.&mt('access denied').'');
}
}
}
}
=pod
=item list_symbs()
List Symbs
=cut
sub list_symbs {
my ($r) = @_;
my $crstype = &Apache::loncommon::course_type();
$r->print(&Apache::loncommon::start_page('Symb List'));
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Symb List'));
my $navmap = Apache::lonnavmaps::navmap->new();
if (!defined($navmap)) {
$r->print('
'.&mt('Retrieval of List Failed').'
'.
'
'.
&mt('Unable to retrieve information about course contents').
'
');
&Apache::lonnet::logthis('Symb list failed - could not create navmap object in '.lc($crstype).':'.$env{'request.course.id'});
} else {
$r->print("
\n");
foreach my $res ($navmap->retrieveResources()) {
$r->print($res->compTitle()."\t".$res->symb()."\n");
}
$r->print("\n
\n");
}
$r->print(''.&mt('Return to DOCS').'');
}
sub verifycontent {
my ($r) = @_;
my $crstype = &Apache::loncommon::course_type();
my $loaderror=&Apache::lonnet::overloaderror($r);
if ($loaderror) { return $loaderror; }
$r->print(&Apache::loncommon::start_page('Verify '.$crstype.' Documents'));
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$crstype.' Documents'));
$hashtied=0;
undef %alreadyseen;
%alreadyseen=();
&tiehash();
foreach my $key (keys(%hash)) {
if ($hash{$key}=~/\.(page|sequence)$/) {
if (($key=~/^src_/) && ($alreadyseen{&unescape($hash{$key})})) {
$r->print(''.
&mt('The following sequence or page is included more than once in your '.$crstype.': ').
&unescape($hash{$key}).' '.
&mt('Note that grading records for problems included in this sequence or folder will overlap.'));
}
}
if (($key=~/^src\_(.+)$/) && (!$alreadyseen{&unescape($hash{$key})})) {
&checkonthis($r,$hash{$key},0,$hash{'title_'.$1});
}
}
&untiehash();
$r->print('
'.&mt('Done').'.
'.''.
&mt('Return to DOCS').'');
}
sub devalidateversioncache {
my $src=shift;
&Apache::lonnet::devalidate_cache_new('courseresversion',$env{'request.course.id'}.'_'.
&Apache::lonnet::clutter($src));
}
sub checkversions {
my ($r) = @_;
my $crstype = &Apache::loncommon::course_type();
$r->print(&Apache::loncommon::start_page("Check $crstype Document Versions"));
$r->print(&Apache::lonhtmlcommon::breadcrumbs("Check $crstype Document Versions"));
my $header='';
my $startsel='';
my $monthsel='';
my $weeksel='';
my $daysel='';
my $allsel='';
my %changes=();
my $starttime=0;
my $haschanged=0;
my %setversions=&Apache::lonnet::dump('resourceversions',
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
$hashtied=0;
&tiehash();
my %newsetversions=();
if ($env{'form.setmostrecent'}) {
$haschanged=1;
foreach my $key (keys(%hash)) {
if ($key=~/^ids\_(\/res\/.+)$/) {
$newsetversions{$1}='mostrecent';
&devalidateversioncache($1);
}
}
} elsif ($env{'form.setcurrent'}) {
$haschanged=1;
foreach my $key (keys(%hash)) {
if ($key=~/^ids\_(\/res\/.+)$/) {
my $getvers=&Apache::lonnet::getversion($1);
if ($getvers>0) {
$newsetversions{$1}=$getvers;
&devalidateversioncache($1);
}
}
}
} elsif ($env{'form.setversions'}) {
$haschanged=1;
foreach my $key (keys(%env)) {
if ($key=~/^form\.set_version_(.+)$/) {
my $src=$1;
if (($env{$key}) && ($env{$key} ne $setversions{$src})) {
$newsetversions{$src}=$env{$key};
&devalidateversioncache($src);
}
}
}
}
if ($haschanged) {
if (&Apache::lonnet::put('resourceversions',\%newsetversions,
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
$r->print('
'.&mt('Your Version Settings have been Saved').'
');
} else {
$r->print('
'.&mt('An Error Occured while Attempting to Save your Version Settings').'
');
}
&mark_hash_old();
}
&changewarning($r,'');
if ($env{'form.timerange'} eq 'all') {
# show all documents
$header=&mt('All Documents in '.$crstype);
$allsel=1;
foreach my $key (keys(%hash)) {
if ($key=~/^ids\_(\/res\/.+)$/) {
my $src=$1;
$changes{$src}=1;
}
}
} else {
# show documents which changed
%changes=&Apache::lonnet::dump
('versionupdate',$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
my $firstkey=(keys(%changes))[0];
unless ($firstkey=~/^error\:/) {
unless ($env{'form.timerange'}) {
$env{'form.timerange'}=604800;
}
my $seltext=&mt('during the last').' '.$env{'form.timerange'}.' '
.&mt('seconds');
if ($env{'form.timerange'}==-1) {
$seltext='since start of course';
$startsel='selected';
$env{'form.timerange'}=time;
}
$starttime=time-$env{'form.timerange'};
if ($env{'form.timerange'}==2592000) {
$seltext=&mt('during the last month').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
$monthsel='selected';
} elsif ($env{'form.timerange'}==604800) {
$seltext=&mt('during the last week').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
$weeksel='selected';
} elsif ($env{'form.timerange'}==86400) {
$seltext=&mt('since yesterday').' ('.&Apache::lonlocal::locallocaltime($starttime).')';
$daysel='selected';
}
$header=&mt('Content changed').' '.$seltext;
} else {
$header=&mt('No content modifications yet.');
}
}
%setversions=&Apache::lonnet::dump('resourceversions',
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
my %lt=&Apache::lonlocal::texthash
('st' => 'Version changes since start of '.$crstype,
'lm' => 'Version changes since last Month',
'lw' => 'Version changes since last Week',
'sy' => 'Version changes since Yesterday',
'al' => 'All Resources (possibly large output)',
'sd' => 'Display',
'fi' => 'File',
'md' => 'Modification Date',
'mr' => 'Most recently published Version',
've' => 'Version used in '.$crstype,
'vu' => 'Set Version to be used in '.$crstype,
'sv' => 'Set Versions to be used in '.$crstype.' according to Selections below',
'sm' => 'Keep all Resources up-to-date with most recent Versions (default)',
'sc' => 'Set all Resource Versions to current Version (Fix Versions)',
'di' => 'Differences');
$r->print(<
$header
ENDHEADERS
foreach my $key (sort(keys(%changes))) {
if ($changes{$key}>$starttime) {
my ($root,$extension)=($key=~/^(.*)\.(\w+)$/);
my $currentversion=&Apache::lonnet::getversion($key);
if ($currentversion<0) {
$currentversion=&mt('Could not be determined.');
}
my $linkurl=&Apache::lonnet::clutter($key);
$r->print(
'
In '.$crstype.': '.
'');
# Used in course
my $usedversion=$hash{'version_'.$linkurl};
if (($usedversion) && ($usedversion ne 'mostrecent')) {
$r->print($usedversion);
} else {
$r->print($currentversion);
}
$r->print('
');
my $lastold=1;
for (my $prevvers=1;$prevvers<$currentversion;$prevvers++) {
my $url=$root.'.'.$prevvers.'.'.$extension;
if (&Apache::lonnet::metadata($url,'lastrevisiondate')<
$starttime) {
$lastold=$prevvers;
}
}
#
# Code to figure out how many version entries should go in
# each of the four columns
my $entries_per_col = 0;
my $num_entries = ($currentversion-$lastold);
if ($num_entries % 4 == 0) {
$entries_per_col = $num_entries/4;
} else {
$entries_per_col = $num_entries/4 + 1;
}
my $entries_count = 0;
$r->print('
');
my $cols_output = 1;
for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
my $url=$root.'.'.$prevvers.'.'.$extension;
$r->print(''.&mt('Version').' '.$prevvers.' ('.
&Apache::lonlocal::locallocaltime(
&Apache::lonnet::metadata($url,
'lastrevisiondate')
).
')');
if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
$r->print(' '.&mt('Diffs').'');
}
$r->print(' ');
if (++$entries_count % $entries_per_col == 0) {
$r->print('
');
&untiehash();
}
sub mark_hash_old {
my $retie_hash=0;
if ($hashtied) {
$retie_hash=1;
&untiehash();
}
&tiehash('write');
$hash{'old'}=1;
&untiehash();
if ($retie_hash) { &tiehash(); }
}
sub is_hash_old {
my $untie_hash=0;
if (!$hashtied) {
$untie_hash=1;
&tiehash();
}
my $return=$hash{'old'};
if ($untie_hash) { &untiehash(); }
return $return;
}
sub changewarning {
my ($r,$postexec,$message,$url)=@_;
if (!&is_hash_old()) { return; }
my $pathvar='folderpath';
my $path=&escape($env{'form.folderpath'});
if (!defined($url)) {
if (defined($env{'form.pagepath'})) {
$pathvar='pagepath';
$path=&escape($env{'form.pagepath'});
$path.='&pagesymb='.&escape($env{'form.pagesymb'});
}
$url='/adm/coursedocs?'.$pathvar.'='.$path;
}
my $course_type = &Apache::loncommon::course_type();
if (!defined($message)) {
$message='Changes will become active for your current session after [_1], or the next time you log in.';
}
$r->print("\n\n".
''."\n".
''."\n\n");
}
sub init_breadcrumbs {
my ($form,$text)=@_;
&Apache::lonhtmlcommon::clear_breadcrumbs();
&Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs",
text=>&Apache::loncommon::course_type().' Editor',
faq=>273,
bug=>'Instructor Interface',
help => 'Docs_Adding_Course_Doc'});
&Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/coursedocs?".$form.'=1',
text=>$text,
faq=>273,
bug=>'Instructor Interface'});
}
sub handler {
my $r = shift;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
my $crstype = &Apache::loncommon::course_type();
# --------------------------------------------- Initialize help topics for this
foreach my $topic ('Adding_Course_Doc','Main_Course_Documents',
'Adding_External_Resource','Navigate_Content',
'Adding_Folders','Docs_Overview', 'Load_Map',
'Supplemental','Score_Upload_Form','Adding_Pages',
'Importing_LON-CAPA_Resource','Uploading_From_Harddrive',
'Check_Resource_Versions','Verify_Content') {
$help{$topic}=&Apache::loncommon::help_open_topic('Docs_'.$topic);
}
# Composite help files
$help{'Syllabus'} = &Apache::loncommon::help_open_topic(
'Docs_About_Syllabus,Docs_Editing_Templated_Pages');
$help{'Simple Page'} = &Apache::loncommon::help_open_topic(
'Docs_About_Simple_Page,Docs_Editing_Templated_Pages');
$help{'Simple Problem'} = &Apache::loncommon::help_open_topic(
'Option_Response_Simple');
$help{'Bulletin Board'} = &Apache::loncommon::help_open_topic(
'Docs_About_Bulletin_Board,Docs_Editing_Templated_Pages');
$help{'My Personal Info'} = &Apache::loncommon::help_open_topic(
'Docs_About_My_Personal_Info,Docs_Editing_Templated_Pages');
$help{'Group Files'} = &Apache::loncommon::help_open_topic('Docs_About_Group_Files');
$help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
# does this user have privileges to modify docs
my $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
if ($allowed && $env{'form.verify'}) {
&init_breadcrumbs('verify','Verify Content');
&verifycontent($r);
} elsif ($allowed && $env{'form.listsymbs'}) {
&init_breadcrumbs('listsymbs','List Symbs');
&list_symbs($r);
} elsif ($allowed && $env{'form.docslog'}) {
&init_breadcrumbs('docslog','Show Log');
&docs_change_log($r);
} elsif ($allowed && $env{'form.versions'}) {
&init_breadcrumbs('versions','Check/Set Resource Versions');
&checkversions($r);
} elsif ($allowed && $env{'form.dumpcourse'}) {
&init_breadcrumbs('dumpcourse','Dump '.&Apache::loncommon::course_type().' DOCS to Construction Space');
&dumpcourse($r);
} elsif ($allowed && $env{'form.exportcourse'}) {
&init_breadcrumbs('exportcourse','IMS Export');
&exportcourse($r);
} else {
# is this a standard course?
my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
my $forcestandard = 0;
my $forcesupplement;
my $script='';
my $showdoc=0;
my $containertag;
my $uploadtag;
&Apache::loncommon::get_unprocessed_cgi($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+/) {
$env{'form.folderpath'} = 'supplemental&'.
&escape(&mt('Supplemental '.$crstype.' 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));
$env{'form.folder'}=pop(@folderpath);
}
if ($env{'form.pagepath'}) {
my (@pagepath)=split('&',$env{'form.pagepath'});
$env{'form.pagename'}=&unescape(pop(@pagepath));
$env{'form.folder'}=pop(@pagepath);
$containertag = ''.
'';
$uploadtag = ''.
'';
}
if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
$showdoc='/'.$1;
}
unless ($showdoc) { # got called from remote
if (($env{'form.folder'}=~/^(?:group|default)_/) ||
($env{'form.folder'} =~ m:^\d+/(pages|sequences)/:)) {
$forcestandard = 1;
}
$forcesupplement=($env{'form.folder'}=~/^supplemental_/);
if ($allowed) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
$script=&Apache::lonratedt::editscript('simple');
}
} else { # got called in sequence from course
$allowed=0;
}
# get course data
my $coursenum=$env{'course.'.$env{'request.course.id'}.'.num'};
my $coursedom=$env{'course.'.$env{'request.course.id'}.'.domain'};
# get personal data
my $uname=$env{'user.name'};
my $udom=$env{'user.domain'};
my $plainname=&escape(&Apache::loncommon::plainname($uname,$udom));
# graphics settings
$iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
if ($allowed) {
$script .= &editing_js($udom,$uname);
}
# -------------------------------------------------------------------- Body tag
$script = ''."\n";
my $brcrum = [{href=>"/adm/createuser",text=>"$crstype Documents"}];
$r->print(&Apache::loncommon::start_page("$crstype Documents", $script,
{'force_register' => $showdoc,
'bread_crumbs' => $brcrum}).
&Apache::loncommon::help_open_menu('','',273,'RAT'));
my %allfiles = ();
my %codebase = ();
my ($upload_result,$upload_output);
if ($allowed) {
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);
}
} elsif ($env{'form.phasetwo'}) {
my %newname = ();
my %origname = ();
my %attribs = ();
my $updateflag = 0;
my $residx = $env{'form.newidx'};
my $primary_url = &unescape($env{'form.primaryurl'});
# Process file upload - phase two - gather secondary files.
for (my $i=0; $i<$env{'form.phasetwo'}; $i++) {
if ($env{'form.embedded_item_'.$i.'.filename'}) {
my $javacodebase;
$newname{$i} = &process_secondary_uploads(\$upload_output,$coursedom,$coursenum,'embedded_item_',$i,$residx);
$origname{$i} = &unescape($env{'form.embedded_orig_'.$i});
if (exists($env{'form.embedded_codebase_'.$i})) {
$javacodebase = &unescape($env{'form.embedded_codebase_'.$i});
$origname{$i} =~ s#^\Q$javacodebase\E/##;
}
my @attributes = ();
if ($env{'form.embedded_attrib_'.$i} =~ /:/) {
@attributes = split(/:/,$env{'form.embedded_attrib_'.$i});
} else {
@attributes = ($env{'form.embedded_attrib_'.$i});
}
foreach my $attr (@attributes) {
push(@{$attribs{$i}},&unescape($attr));
}
if ($javacodebase) {
$codebase{$i} = $javacodebase;
$codebase{$i} =~ s#/$##;
$updateflag = 1;
}
}
unless ($newname{$i} eq $origname{$i}) {
$updateflag = 1;
}
}
# Process file upload - phase three - modify primary file
if ($updateflag) {
my ($content,$rtncode);
my $updateflag = 0;
my $getstatus = &Apache::lonnet::getuploaded('GET',$primary_url,$coursedom,$coursenum,\$content,\$rtncode);
if ($getstatus eq 'ok') {
foreach my $item (keys(%newname)) {
if ($newname{$item} ne $origname{$item}) {
my $attrib_regexp = '';
if (@{$attribs{$item}} > 1) {
$attrib_regexp = join('|',@{$attribs{$item}});
} else {
$attrib_regexp = $attribs{$item}[0];
}
if ($content =~ m#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#) {
}
$content =~ s#($attrib_regexp\s*=\s*['"]?)\Q$origname{$item}\E(['"]?)#$1$newname{$item}$2#gi;
}
if (exists($codebase{$item})) {
$content =~ s/(codebase\s*=\s*["']?)\Q$codebase{$item}\E(["']?)/$1.$2/i; #' stupid emacs
}
}
# Save edited file.
my $saveresult;
my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
my $url = &Apache::lonnet::store_edited_file($primary_url,$content,$docudom,$docuname,\$saveresult);
} else {
&Apache::lonnet::logthis('retrieval of uploaded file - '.$primary_url.' - for editing, failed: '.$getstatus);
}
}
}
}
unless ($showdoc || $upload_result eq 'phasetwo') {
# -----------------------------------------------------------------------------
my %lt=&Apache::lonlocal::texthash(
'uplm' => 'Upload a new main '.lc($crstype).' document',
'upls' => 'Upload a new supplemental '.lc($crstype).' document',
'impp' => 'Import a document',
'pubd' => 'Published documents',
'copm' => 'All documents out of a published map into this folder',
'spec' => 'Special documents',
'upld' => 'Upload Document',
'srch' => 'Search',
'impo' => 'Import',
'book' => 'Import Bookmarks',
'selm' => 'Select Map',
'load' => 'Load Map',
'reco' => 'Recover Deleted Resources',
'newf' => 'New Folder',
'newp' => 'New Composite Page',
'extr' => 'External Resource',
'syll' => 'Syllabus',
'navc' => 'Navigate Contents',
'sipa' => 'Simple Course Page',
'sipr' => 'Simple Problem',
'drbx' => 'Drop Box',
'scuf' => 'Score Upload Form',
'bull' => 'Discussion Board',
'mypi' => 'My Personal Information Page',
'grpo' => 'Group Portfolios',
'rost' => 'Course Roster',
'abou' => 'About User',
'imsf' => 'IMS Import',
'imsl' => 'Import IMS package',
'file' => 'File',
'title' => 'Title',
'comment' => 'Comment',
'parse' => 'If HTML file, upload embedded images/multimedia files'
);
# -----------------------------------------------------------------------------
my %tabtitles = (
main => {
Course => &mt('Main Course Documents'),
Community => &mt('Main Community Documents'),
},
supplemental => {
Course => &mt('Supplemental Course Documents'),
Community => &mt('Supplemental Community Documents'),
},
);
if ($allowed) {
&update_paste_buffer($coursenum,$coursedom);
my $dumpbut=&dumpbutton();
my $exportbut=&exportbutton();
my %lt=&Apache::lonlocal::texthash(
'vc' => 'Verify Content',
'cv' => 'Check/Set Resource Versions',
'ls' => 'List Symbs',
'sl' => 'Show Log'
);
my $folderpath=$env{'form.folderpath'};
if (!$folderpath) {
if ($env{'form.folder'} eq '' ||
$env{'form.folder'} eq 'supplemental') {
$folderpath='default&'.&escape($tabtitles{'main'}{$crstype});
}
}
unless ($env{'form.pagepath'}) {
$containertag = '';
$uploadtag = '';
}
$r->print(<
$containertag
ENDCOURSEVERIFY
$r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
&mt('Editing the Table of Contents for your '.$crstype)));
}
# --------------------------------------------------------- Standard documents
$r->print('
');
if (($standard) && ($allowed) && (!$forcesupplement)) {
$r->print('
');
my $folder=$env{'form.folder'};
if ($folder eq '' || $folder eq 'supplemental') {
$folder='default';
$env{'form.folderpath'}='default&'.&escape(&mt('Main '.$crstype.' Documents'));
$uploadtag = '';
}
my $postexec='';
if ($folder eq 'default') {
$r->print(''."\n"
);
} else {
#$postexec='self.close();';
}
$hadchanges=0;
my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,
$upload_output,$crstype);
if ($error) {
$r->print('
'.$error.'
');
}
if ($hadchanges) {
&mark_hash_old();
}
&changewarning($r,$postexec);
my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
'.sequence';
my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
'.page';
my $container='sequence';
if ($env{'form.pagepath'}) {
$container='page';
}
my $readfile='/uploaded/'.$coursedom.'/'.$coursenum.'/'.$folder.'.'.$container;
$r->print(<
');
my $folder=$env{'form.folder'};
unless ($folder=~/^supplemental/) {
$folder='supplemental';
}
if ($folder =~ /^supplemental$/ &&
(($env{'form.folderpath'} =~ /^default\&/) || ($env{'form.folderpath'} eq ''))) {
$env{'form.folderpath'} = 'supplemental&'.
&escape($tabtitles{'supplemental'}{$crstype});
}
my $error = &editor($r,$coursenum,$coursedom,$folder,$allowed,'',$crstype);
if ($error) {
$r->print('
'.$error.'
');
}
if ($allowed) {
my $folderseq=
'/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
'.sequence';
my $path = &HTML::Entities::encode($env{'form.folderpath'},'<>&"');
$r->print(<
$lt{'upls'}
$lt{'spec'}
ENDSUPFORM
}
}
$r->print('');
if ($allowed) {
$r->print('
');
}
} else {
unless ($upload_result eq 'phasetwo') {
# -------------------------------------------------------- This is showdoc mode
$r->print("
'.
&mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."
".
&entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'
');
}
}
}
$r->print(&Apache::loncommon::end_page());
return OK;
}
sub editing_js {
my ($udom,$uname) = @_;
my $now = time();
my %lt = &Apache::lonlocal::texthash(
p_mnf => 'Name of New Folder',
t_mnf => 'New Folder',
p_mnp => 'Name of New Page',
t_mnp => 'New Page',
p_mxu => 'Title for the Uploaded Score',
p_msp => 'Name of the Simple Course Page',
p_msb => 'Title for the Problem',
p_mdb => 'Title for the Drop Box',
p_mbb => 'Title for the Discussion Board',
p_mab => "Enter user:domain for User's 'About Me' Page",
p_mab2 => "About [_99]",
p_mab_alrt1 => 'Not a valid user:domain',
p_mab_alrt2 => 'Please enter both user and domain in the format user:domain',
p_chn => 'New Title',
p_rmr1 => 'WARNING: Removing a resource makes associated grades and scores inaccessible!',
p_rmr2a => 'Remove[_99]',
p_rmr2b => '?[_99]',
p_ctr1a => 'WARNING: Cutting a resource makes associated grades and scores inaccessible!',
p_ctr1b => 'Grades remain inaccessible if resource is pasted into another folder.',
p_ctr2a => 'Cut[_98]',
p_ctr2b => '?[_98]'
);
return <
'.
&mt('[quant,_1,error]',$errorcount).'');
}
if ($warningcount) {
$r->print(''.
&mt('[quant,_1,warning]',$warningcount).'');
}
} else {
$r->print(''.&mt('ok').'');
}
$r->rflush();
}
my $dependencies=
&Apache::lonnet::metadata($url,'dependencies');
foreach my $dep (split(/\,/,$dependencies)) {
if (($dep=~/^\/res\//) && (!$alreadyseen{$dep})) {
&checkonthis($r,$dep,$level+1);
}
}
} elsif ($result eq 'unavailable') {
$r->print(''.&mt('connection down').'');
} elsif ($result eq 'not_found') {
unless ($url=~/\$/) {
$r->print(''.&mt('not found').'');
} else {
$r->print(''.&mt('unable to verify variable URL').'');
}
} else {
$r->print(''.&mt('access denied').'');
}
}
}
}
=pod
=item list_symbs()
List Symbs
=cut
sub list_symbs {
my ($r) = @_;
my $crstype = &Apache::loncommon::course_type();
$r->print(&Apache::loncommon::start_page('Symb List'));
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Symb List'));
my $navmap = Apache::lonnavmaps::navmap->new();
if (!defined($navmap)) {
$r->print('