# The LearningOnline Network
# Documents
#
# $Id: londocs.pm,v 1.487 2012/05/15 01:41:27 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 Apache::lonhtmlcommon;
use LONCAPA::map();
use Apache::lonratedt();
use Apache::lonxml;
use Apache::lonclonecourse;
use Apache::lonnavmaps;
use Apache::lonnavdisplay();
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) {
$allowed=1;
last;
}
}
if ($allowed) {
$home++;
$outhash{'home_'.$ca.':'.$cd}=1;
} else {
$outhash{'otherhome_'.$ca.':'.$cd}=$myhome;
$other++;
}
}
}
return ($home,$other,%outhash);
}
sub clean {
my ($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.' Content to Authoring Space')."\n".
&Apache::lonhtmlcommon::breadcrumbs('Dump '.$crstype.' Content to Authoring Space')."\n");
$r->print(&startContentScreen('tools'));
my ($home,$other,%outhash)=&authorhosts();
unless ($home) {
$r->print(&endContentScreen());
return '';
}
my $origcrsid=$env{'request.course.id'};
my %origcrsdata=&Apache::lonnet::coursedescription($origcrsid);
if (($env{'form.authorspace'}) && ($env{'form.authorfolder'}=~/\w/)) {
# Do the dumping
unless ($outhash{'home_'.$env{'form.authorspace'}}) {
$r->print(&endContentScreen());
return '';
}
my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
$r->print('
'.&mt('Copying Files').'
');
my $title=$env{'form.authorfolder'};
$title=&clean($title);
my %replacehash=();
foreach my $key (keys(%env)) {
if ($key=~/^form\.namefor\_(.+)/) {
$replacehash{$1}=$env{$key};
}
}
my $crs='/uploaded/'.$env{'request.course.id'}.'/';
$crs=~s/\_/\//g;
foreach my $item (keys(%replacehash)) {
my $newfilename=$title.'/'.$replacehash{$item};
$newfilename=~s/\.(\w+)$//;
my $ext=$1;
$newfilename=&clean($newfilename);
$newfilename.='.'.$ext;
my @dirs=split(/\//,$newfilename);
my $path=$r->dir_config('lonDocRoot')."/priv/$cd/$ca";
my $makepath=$path;
my $fail=0;
for (my $i=0;$i<$#dirs;$i++) {
$makepath.='/'.$dirs[$i];
unless (-e $makepath) {
unless(mkdir($makepath,0777)) { $fail=1; }
}
}
$r->print(' '.$item.' => '.$newfilename.': ');
if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
if ($item=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
print $fh &Apache::lonclonecourse::rewritefile(
&Apache::lonclonecourse::readfile($env{'request.course.id'},$item),
(%replacehash,$crs => '')
);
} else {
print $fh
&Apache::lonclonecourse::readfile($env{'request.course.id'},$item);
}
$fh->close();
} else {
$fail=1;
}
if ($fail) {
$r->print(''.&mt('fail').'');
} else {
$r->print(''.&mt('ok').'');
}
}
} else {
$r->print(&mt('Searching ...').' ');
$r->rflush();
# Input form
$r->print('');
}
$r->print(&endContentScreen());
}
sub group_import {
my ($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 $url;
if ($allowed) {
$url = '/adm/coursedocs?folderpath=';
} else {
$url = '/adm/supplemental?folderpath=';
}
$url .= &escape($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') {
$name = &mt('Supplemental '.$crstype.' Content');
}
&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',
undef, undef, 1 ),$randompick,$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,$coursenum,$coursedom,$folder,$allowed,$crstype,$iconpath)=@_;
my $supplementalflag=($env{'form.folderpath'}=~/^supplemental/);
my $js = ''."\n";
$r->print(&Apache::loncommon::start_page('Content Change Log',$js));
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Content Change Log'));
$r->print(&startContentScreen('docs'));
my %orderhash;
my $container='sequence';
my $pathitem;
if ($env{'form.pagepath'}) {
$container='page';
$pathitem = '';
} else {
my $folderpath=$env{'form.folderpath'};
if ($folderpath eq '') {
$folderpath = 'default&'.&escape(&mt('Main '.$crstype.' Documents'));
}
$pathitem = '';
}
my $readfile="/uploaded/$coursedom/$coursenum/$folder.$container";
my $jumpto = $readfile;
$jumpto =~ s{^/}{};
my $tid = 1;
my ($breadcrumbtrail) = &breadcrumbs($allowed,$crstype);
$r->print($breadcrumbtrail.
&generate_edit_table($tid,\%orderhash,undef,$iconpath,$jumpto,
$readfile));
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); }
my %saveable_parameters = ('show' => 'scalar',);
&Apache::loncommon::store_course_settings('docs_log',
\%saveable_parameters);
&Apache::loncommon::restore_course_settings('docs_log',
\%saveable_parameters);
if (!$env{'form.show'}) { $env{'form.show'}=10; }
# FIXME: internationalization seems wrong here
my %lt=('hiddenresource' => 'Resources hidden',
'encrypturl' => 'URL hidden',
'randompick' => 'Randomly pick',
'randomorder' => 'Randomly ordered',
'set' => 'set to',
'del' => 'deleted');
my $filter = &Apache::loncommon::display_filter('docslog')."\n".
$pathitem."\n".
''.
(' 'x2).'';
$r->print('
'.
&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}) {
# FIXME: internationalization seems wrong here
$r->print('
'.&Apache::loncommon::end_data_table_row());
$shown++;
if (!($env{'form.show'} eq &mt('all')
|| $shown<=$env{'form.show'})) { last; }
}
$r->print(&Apache::loncommon::end_data_table()."\n".
&makesimpleeditform($pathitem)."\n".
'');
$r->print(&endContentScreen());
}
sub update_paste_buffer {
my ($coursenum,$coursedom) = @_;
return if (!defined($env{'form.markcopy'}));
return if (!defined($env{'form.copyfolder'}));
return if ($env{'form.markcopy'} < 0);
my ($errtext,$fatal) = &mapread($coursenum,$coursedom,
$env{'form.copyfolder'});
return if ($fatal);
# Mark for copying
my ($title,$url)=split(':',$LONCAPA::map::resources[$LONCAPA::map::order[$env{'form.markcopy'}]]);
if (&is_supplemental_title($title)) {
&Apache::lonnet::appenv({'docs.markedcopy_supplemental' => $title});
($title) = &parse_supplemental_title($title);
} elsif ($env{'docs.markedcopy_supplemental'}) {
&Apache::lonnet::delenv('docs.markedcopy_supplemental');
}
$url=~s{http(:|:)//https(:|:)//}{https$2//};
&Apache::lonnet::appenv({'docs.markedcopy_title' => $title,
'docs.markedcopy_url' => $url});
delete($env{'form.markcopy'});
}
sub print_paste_buffer {
my ($r,$container) = @_;
return if (!defined($env{'docs.markedcopy_url'}));
$r->print('');
}
sub do_paste_from_buffer {
my ($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!~/$LONCAPA::assess_page_seq_re/)) {
&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,
$supplementalflag,$orderhash,$iconpath)=@_;
my $container= ($env{'form.pagepath'}) ? 'page'
: 'sequence';
my ($breadcrumbtrail,$randompick,$ishidden,$isencrypted,$plain,$is_random_order) =
&breadcrumbs($allowed,$crstype);
$r->print($breadcrumbtrail);
my $jumpto = "uploaded/$coursedom/$coursenum/$folder.$container";
unless ($allowed) {
$randompick = -1;
}
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]='';
}
# ------------------------------------------------------------ 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.')
.'
'
);
}
$r->print('
');
}
my ($to_show,$output);
&Apache::loncommon::start_data_table_count(); #setup a row counter
foreach my $res (@LONCAPA::map::order) {
my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$res]);
$name=&LONCAPA::map::qtescape($name);
$url=&LONCAPA::map::qtescape($url);
unless ($name) { $name=(split(/\//,$url))[-1]; }
unless ($name) { $idx++; next; }
$output .= &entryline($idx,$name,$url,$folder,$allowed,$res,
$coursenum,$crstype);
$idx++;
$shown++;
}
&Apache::loncommon::end_data_table_count();
if ($shown) {
$to_show = &Apache::loncommon::start_scrollbox('900px','880px','400px','contentscroll')
.&Apache::loncommon::start_data_table(undef,'contentlist');
if ($allowed) {
$to_show .= &Apache::loncommon::start_data_table_header_row()
.'
'.&mt('Move').'
'
.'
'.&mt('Actions').'
'
.'
'.&mt('Document').'
';
if ($folder !~ /^supplemental/) {
$to_show .= '
'
.&Apache::loncommon::end_scrollbox();
}
my $tid = 1;
if ($supplementalflag) {
$tid = 2;
}
if ($allowed) {
my $readfile="/uploaded/$coursedom/$coursenum/$folder.$container";
$r->print(&generate_edit_table($tid,$orderhash,$to_show,$iconpath,$jumpto,
$readfile));
&print_paste_buffer($r,$container);
} else {
if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
#Function Box for Supplemental Content for users with mdc priv.
my $funcname = &mt('Folder Editor');
$r->print(
&Apache::loncommon::head_subbox(
&Apache::lonhtmlcommon::start_funclist().
&Apache::lonhtmlcommon::add_item_funclist(
''.
''.
''.$funcname.'').
&Apache::lonhtmlcommon::end_funclist()));
}
$r->print($to_show);
}
return;
}
sub process_file_upload {
my ($upload_output,$coursenum,$coursedom,$allfiles,$codebase,$uploadcmd) = @_;
# upload a file, if present
my ($parseaction,$showupload,$nextphase,$mimetype);
if ($env{'form.parserflag'}) {
$parseaction = 'parse';
}
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) {
$$upload_output = '
'.&mt('The uploaded file has not been stored as an error occurred reading the contents of the current folder.').'
';
return;
}
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 context to coursedoc.
my $newidx=&LONCAPA::map::getresidx();
$destination .= $newidx;
my $url=&Apache::lonnet::userfileupload('uploaddoc','coursedoc',$destination,
$parseaction,$allfiles,
$codebase,undef,undef,undef,undef,
undef,undef,\$mimetype);
if ($url =~ m{^/uploaded/\Q$coursedom\E/\Q$coursenum\E.*/([^/]+)$}) {
my $stored = $1;
$showupload = '
'.
&Apache::loncommon::end_data_table_header_row()."\n");
my $count;
foreach my $res ($navmap->retrieveResources()) {
$r->print(&Apache::loncommon::start_data_table_row().
'
'.$res->compTitle().'
'.
'
'.$res->symb().'
'.
&Apache::loncommon::start_data_table_row());
$count ++;
}
if (!$count) {
$r->print(&Apache::loncommon::start_data_table_row().
'
'.&mt("$crstype is empty").'
'.
&Apache::loncommon::end_data_table_row());
}
$r->print(&Apache::loncommon::end_data_table());
}
}
sub verifycontent {
my ($r) = @_;
my $crstype = &Apache::loncommon::course_type();
$r->print(&Apache::loncommon::start_page('Verify '.$crstype.' Documents'));
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Verify '.$crstype.' Documents'));
$r->print(&startContentScreen('tools'));
$r->print('
'.&mt($crstype.' content verification').'
');
$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').'
');
}
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"));
$r->print(&startContentScreen('tools'));
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(&Apache::loncommon::confirmwrapper(
&Apache::lonhtmlcommon::confirm_success(&mt('Your Version Settings have been Saved'))));
} else {
$r->print(&Apache::loncommon::confirmwrapper(
&Apache::lonhtmlcommon::confirm_success(&mt('An Error Occured while Attempting to Save your Version Settings'),1)));
}
&mark_hash_old();
}
&changewarning($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 '.$crstype,
'lm' => 'Version changes since last Month',
'lw' => 'Version changes since last Week',
'sy' => 'Version changes since Yesterday',
'al' => 'All Resources (possibly large output)',
'cd' => 'Change display',
'sd' => 'Display',
'fi' => 'File',
'md' => 'Modification Date',
'mr' => 'Most recently published Version',
've' => 'Version used in '.$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',
'save' => 'Save changes',
'vers' => 'Version choice(s) for specific resources',
'act' => 'Actions');
$r->print(<$header