# The LearningOnline Network
# Documents
#
# $Id: londocs.pm,v 1.178 2005/06/08 17:42:01 www 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::lonratedt;
use Apache::lonratsrv;
use Apache::lonxml;
use Apache::loncreatecourse;
use Apache::lonnavmaps;
use HTML::Entities;
use GDBM_File;
use Apache::lonlocal;
use Cwd;
my $iconpath;
my %hash;
my $hashtied;
my %alreadyseen=();
my $hadchanges;
# Available help topics
my %help=();
# Mapread read maps into lonratedt::global arrays
# @order and @resources, determines status
# sets @order - pointer to resources in right order
# sets @resources - array with the resources with correct idx
#
sub mapread {
my ($coursenum,$coursedom,$map)=@_;
return
&Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
$map);
}
sub storemap {
my ($coursenum,$coursedom,$map)=@_;
my ($outtext,$errtext)=
&Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
$map,1);
if ($errtext) { return ($errtext,2); }
$hadchanges=1;
return ($errtext,0);
}
# ----------------------------------------- Return hash with valid author names
sub authorhosts {
my %outhash=();
my $home=0;
my $other=0;
foreach (keys %env) {
if ($_=~/^user\.role\.(au|ca)\.(.+)$/) {
my $role=$1;
my $realm=$2;
my ($start,$end)=split(/\./,$env{$_});
if (($start) && ($start>time)) { next; }
if (($end) && (time>$end)) { next; }
my $ca; my $cd;
if ($1 eq 'au') {
$ca=$env{'user.name'};
$cd=$env{'user.domain'};
} else {
($cd,$ca)=($realm=~/^\/(\w+)\/(\w+)$/);
}
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,$other,%outhash);
}
# ------------------------------------------------------ Generate "dump" button
sub dumpbutton {
my ($home,$other,%outhash)=&authorhosts();
if ($home+$other==0) { return ''; }
my $output='</td><td bgcolor="#DDDDCC">';
if ($home) {
return '</td><td bgcolor="#DDDDCC">'.
'<input type="submit" name="dumpcourse" value="'.
&mt('Dump Course DOCS to Construction Space').'" />'.
&Apache::loncommon::help_open_topic('Docs_Dump_Course_Docs');
} else {
return'</td><td bgcolor="#DDDDCC">'.
&mt('Dump Course DOCS to Construction Space: available on other servers');
}
}
sub clean {
my ($title)=@_;
$title=~s/[^\w\/\!\$\%\^\*\-\_\=\+\;\:\,\\\|\`\~]+/\_/gs;
return $title;
}
# -------------------------------------------------------- Actually dump course
sub dumpcourse {
my $r=shift;
my $html=&Apache::lonxml::xmlbegin();
$r->print($html.'<head><title>Dump DOCS</title></head>'.
&Apache::loncommon::bodytag('Dump Course DOCS to Construction Space').
'<form name="dumpdoc" method="post">');
my ($home,$other,%outhash)=&authorhosts();
unless ($home) { 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_'.$env{'form.authorspace'}}) { return ''; }
my ($ca,$cd)=split(/\@/,$env{'form.authorspace'});
$r->print('<h3>'.&mt('Copying Files').'</h3>');
my $title=$env{'form.authorfolder'};
$title=&clean($title);
my %replacehash=();
foreach (keys %env) {
if ($_=~/^form\.namefor\_(.+)/) {
$replacehash{$1}=$env{$_};
}
}
my $crs='/uploaded/'.$env{'request.course.id'}.'/';
$crs=~s/\_/\//g;
foreach (keys %replacehash) {
my $newfilename=$title.'/'.$replacehash{$_};
$newfilename=&clean($newfilename);
my @dirs=split(/\//,$newfilename);
my $path='/home/'.$ca.'/public_html';
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; }
}
}
$r->print('<br /><tt>'.$_.'</tt> => <tt>'.$newfilename.'</tt>: ');
if (my $fh=Apache::File->new('>'.$path.'/'.$newfilename)) {
if ($_=~/\.(sequence|page|html|htm|xml|xhtml)$/) {
print $fh &Apache::loncreatecourse::rewritefile(
&Apache::loncreatecourse::readfile($env{'request.course.id'},$_),
(%replacehash,$crs => '')
);
} else {
print $fh
&Apache::loncreatecourse::readfile($env{'request.course.id'},$_);
}
$fh->close();
} else {
$fail=1;
}
if ($fail) {
$r->print('<font color="red">fail</font>');
} else {
$r->print('<font color="green">ok</font>');
}
}
} else {
# Input form
unless ($home==1) {
$r->print(
'<h3>'.&mt('Select the Construction Space').'</h3><select name="authorspace">');
}
foreach (sort keys %outhash) {
if ($_=~/^home_(.+)$/) {
if ($home==1) {
$r->print(
'<input type="hidden" name="authorspace" value="'.$1.'" />');
} else {
$r->print('<option value="'.$1.'">'.$1.' - '.
&Apache::loncommon::plainname(split(/\@/,$1)).'</option>');
}
}
}
unless ($home==1) {
$r->print('</select>');
}
my $title=$origcrsdata{'description'};
$title=~s/\s+/\_/gs;
$title=&clean($title);
$r->print('<h3>'.&mt('Folder in Construction Space').'</h3><input type="text" size="50" name="authorfolder" value="'.$title.'" /><br />');
&tiehash();
$r->print('<h3>'.&mt('Filenames in Construction Space').'</h3><table border="2"><tr><th>'.&mt('Internal Filename').'</th><th>'.&mt('Title').'</th><th>'.&mt('Save as ...').'</th></tr>');
foreach (&Apache::loncreatecourse::crsdirlist($origcrsid,'userfiles')) {
$r->print('<tr><td>'.$_.'</td>');
my ($ext)=($_=~/\.(\w+)$/);
my $title=$hash{'title_'.$hash{
'ids_/uploaded/'.$origcrsdata{'domain'}.'/'.$origcrsdata{'num'}.'/'.$_}};
$title=~s/:/:/g;
$r->print('<td>'.($title?$title:' ').'</td>');
unless ($title) {
$title=$_;
}
$title=~s/\.(\w+)$//;
$title=&clean($title);
$title.='.'.$ext;
$r->print("\n<td><input type='text' size='60' name='namefor_".$_."' value='".$title."' /></td></tr>\n");
}
$r->print("</table>\n");
&untiehash();
$r->print(
'<p><input type="submit" name="dumpcourse" value="'.&mt('Dump Course DOCS').'" /></p></form>');
}
}
# ------------------------------------------------------ Generate "export" button
sub exportbutton {
return '';
return '</td><td bgcolor="#DDDDCC">'.
'<input type="submit" name="exportcourse" value="'.
&mt('Export Course to IMS').'" />'.
&Apache::loncommon::help_open_topic('Docs_Export_Course_Docs');
}
sub exportcourse {
my $r=shift;
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();
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 = '<br />As you did not select any content items or discussions for export, an IMS package has not been created. Please <a href="javascript:history.go(-1)">go back</a> 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;
$outcome .= 'Download the zip file from <a href="'.$imszipfile.'">IMS course archive</a><br />';
if ($copyresult) {
$outcome .= 'The following errors occurred during export - '.$copyresult;
}
} else {
$outcome = '<br />Unfortunately you will not be able to retrieve an IMS archive of this posts at this time, because there was a problem creating a manifest file.<br />';
}
}
my $html=&Apache::lonxml::xmlbegin();
$r->print($html.'<head><title>Export Course</title></head>'.
&Apache::loncommon::bodytag('Export course to IMS content package'));
$r->print($outcome);
$r->print('</body></html>');
} else {
my $display;
$display = '<form name="exportdoc" method="post">'."\n";
$display .= 'Choose which items you wish to export from your course.<br /><br />';
$display .= '<table border="0" cellspacing="0" cellpadding="3">'.
'<tr><td><fieldset><legend> <b>Content items</b></legend>'.
'<input type="button" value="check all" '.
'onclick="javascript:checkAll(document.exportdoc.archive)" />'.
' <input type="button" value="uncheck all"'.
' onclick="javascript:uncheckAll(document.exportdoc.archive)" /></fieldset></td>'.
'<td> </td><td> </td>'.
'<td align="right"><fieldset><legend> <b>Discussion posts'.
'</b></legend><input type="button" value="check all"'.
' onclick="javascript:checkAll(document.exportdoc.discussion)" />'.
' <input type="button" value="uncheck all"'.
' onclick="javascript:uncheckAll(document.exportdoc.discussion)" /></fieldset></td>'.
'</tr></table>';
my $curRes;
my $depth = 0;
my $count = 0;
my $boards = 0;
my $startcount = 5;
my %parent = ();
my %children = ();
my $lastcontainer = $startcount;
my @bgcolors = ('#F6F6F6','#FFFFFF');
$display .= '<table cellspacing="0"><tr>'.
'<td><b>Export content item?<br /></b></td><td> </td><td align="right">'."\n";
if ($numdisc > 0) {
$display.='<b>Export discussion posts?</b>'."\n";
}
$display.=' </td></tr>';
while ($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)) {
my $symb = $curRes->symb();
my $ressymb = $symb;
if ($ressymb =~ m|adm/(\w+)/(\w+)/(\d+)/bulletinboard$|) {
unless ($ressymb =~ m|adm/wrapper/adm|) {
$ressymb = 'bulletin___'.$3.'___adm/wrapper/adm/'.$1.'/'.$2.'/'.$3.'/bulletinboard';
}
}
my $color = $count%2;
$display .='<tr bgcolor='.$bgcolors[$color].'><td>'."\n".
'<input type="checkbox" name="archive" value="'.$count.'" ';
if (($curRes->is_sequence()) || ($curRes->is_page())) {
my $checkitem = $count + $boards + $startcount;
$display .= 'onClick="javascript:propagateCheck('."'$checkitem'".')"';
}
$display .= ' />'."\n";
for (my $i=0; $i<$depth; $i++) {
$display .= '<img src="/adm/lonIcons/whitespace1.gif" width="25" height="1" alt="" border="0" /><img src="/adm/lonIcons/whitespace1.gif" width="25" height="1" alt="" border="0" />'."\n";
}
if ($curRes->is_sequence()) {
$display .= '<img src="/adm/lonIcons/navmap.folder.open.gif"> '."\n";
$lastcontainer = $count + $startcount + $boards;
} elsif ($curRes->is_page()) {
$display .= '<img src="/adm/lonIcons/navmap.page.open.gif"> '."\n";
$lastcontainer = $count + $startcount + $boards;
}
my $currelem = $count+$boards+$startcount;
$children{$parent{$depth}} .= $currelem.':';
$display .= ' '.$curRes->title().'</td>';
if ($discussiontime{$ressymb} > 0) {
$boards ++;
$currelem = $count+$boards+$startcount;
$display .= '<td> </td><td align="right"><input type="checkbox" name="discussion" value="'.$count.'" /> </td>'."\n";
} else {
$display .= '<td colspan="2"> </td>'."\n";
}
}
}
my $scripttag = qq|
<script>
function checkAll(field) {
if (field.length > 0) {
for (i = 0; i < field.length; i++) {
field[i].checked = true ;
}
} else {
field.checked = true
}
}
function uncheckAll(field) {
if (field.length > 0) {
for (i = 0; i < field.length; i++) {
field[i].checked = false ;
}
} else {
field.checked = false ;
}
}
function propagateCheck(item) {
if (document.exportdoc.elements[item].checked == true) {
containerCheck(item)
}
}
function containerCheck(item) {
document.exportdoc.elements[item].checked = true
var numitems = $count + $boards + $startcount
var parents = new Array(numitems)
for (var i=$startcount; i<numitems; i++) {
parents[i] = new Array
}
|;
foreach my $container (sort { $a <=> $b } keys %children) {
my @contents = split/:/,$children{$container};
for (my $i=0; $i<@contents; $i ++) {
$scripttag .= ' parents['.$container.']['.$i.'] = '.$contents[$i]."\n";
}
}
$scripttag .= qq|
if (parents[item].length > 0) {
for (var j=0; j<parents[item].length; j++) {
containerCheck(parents[item][j])
}
}
}
</script>
|;
my $html=&Apache::lonxml::xmlbegin();
$r->print($html.'<head><title>Export Course</title>'.$scripttag.'</head>'.
&Apache::loncommon::bodytag('Export course to IMS content package'
));
$r->print($display.'</table>'.
'<p><input type="hidden" name="finishexport" value="1">'.
'<input type="submit" name="exportcourse" value="'.
&mt('Export Course DOCS').'" /></p></form></body></html>');
}
}
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)) {
$$manifestok=1;
print $ims_manifest
'<?xml version="1.0" encoding="UTF-8"?>'."\n".
'<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1"'.
' xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"'.
' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'.
' identifier="MANIFEST-'.$env{'request.course.id'}.'-'.$now.'"'.
' xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1imscp_v1p1.xsd'.
' http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">'."\n".
' <organizations default="ORG-'.$env{'request.course.id'}.'-'.$now.'">'."\n".
' <organization identifier="ORG-'.$env{'request.course.id'}.'-'.$now.'"'.
' structure="hierarchical">'."\n".
' <title>'.$env{'request.'.$env{'request.course.id'}.'.description'}.'</title>'
} else {
$$outcome .= 'An error occurred opening the IMS manifest file.<br />'
;
}
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;
my $included = 0;
while ($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'}.'-'.$count.'"';
}
if (($depth <= $prevdepth) && ($count > 1) && ($included)) {
print $ims_manifest "\n".' </item>'."\n";
}
$included = 1;
$prevdepth = $depth;
my $itementry =
'<item identifier="ITEM-'.$env{'request.course.id'}.'-'.$count.
'" isvisible="'.$isvisible.'" '.$resourceref.'>'.
'<title>'.$curRes->title().'</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) {
$imsresources .= "\n".
' <resource identifier="RES-'.$env{'request.course.id'}.'-'.$count.
'" type="webcontent" href="'.$content_file.'">'."\n".
' <file href="'.$content_file.'" />'."\n";
foreach (@hrefs) {
$imsresources .=
' <file href="'.$_.'" />'."\n";
}
if (grep/^$count$/,@$discussions) {
my $ressymb = $symb;
my $mode;
if ($ressymb =~ m|adm/(\w+)/(\w+)/(\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 .= ' </resource>'."\n";
}
}
$pkgdepth = $depth;
} else {
$included = 0;
}
}
}
while ($pkgdepth > 0) {
print $ims_manifest " </item>\n";
$pkgdepth --;
}
my $resource_text = qq|
</organization>
</organizations>
<resources>
$imsresources
</resources>
</manifest>
|;
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, $$parent{$depth};
if ($depth > 2) {
&get_dependencies($exportitems,$parent,$depth-1,$dependencies);
}
}
}
}
sub process_content {
my ($count,$curRes,$cdom,$cnum,$symb,$content_file,$href,$copyresult,$tempexport) = @_;
my $content_type;
my $message;
# find where user is author or co-author
my @uploads = ();
if ($curRes->is_sequence()) {
$content_type = 'sequence';
} elsif ($curRes->is_page()) {
$content_type = 'page'; # need to handle individual items in pages.
} elsif ($symb =~ m-public/$cdom/$cnum/syllabus$-) {
$content_type = 'syllabus';
my $contents = &Apache::imsexport::templatedpage($content_type);
if ($contents) {
$$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) {
$$content_file = &store_template($contents,$tempexport,$count,$content_type);
}
} elsif ($symb =~ m-lib/templates/examupload\.problem-m) {
$content_type = 'examupload';
} elsif ($symb =~ m-adm/(\w+)/(\w+)/(\d+)/bulletinboard$-) {
$content_type = 'bulletinboard';
my $contents = &Apache::imsexport::templatedpage($content_type,$3,$count,\@uploads,$1,$2);
if ($contents) {
$$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'}) {
$canedit= 1;
}
if ($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) {
$$copyresult .= $message."\n";
}
}
sub replicate_content {
my ($cdom,$cnum,$tempexport,$symb,$count,$message,$href,$caller) = @_;
my ($map,$ind,$url);
if ($caller eq 'templateupload') {
$url = $symb;
$url =~ s#//#/#g;
} else {
($map,$ind,$url)=&Apache::lonnet::decode_symb($symb);
}
my $content;
my $filename;
my $repstatus;
my $content_name;
if ($url =~ m-/([^/]+)$-) {
$filename = $1;
if (!-e $tempexport.'/resources') {
mkdir($tempexport.'/resources',0700);
}
if (!-e $tempexport.'/resources/'.$count) {
mkdir($tempexport.'/resources/'.$count,0700);
}
my $destination = $tempexport.'/resources/'.$count.'/'.$filename;
my $copiedfile;
if ($copiedfile = Apache::File->new('>'.$destination)) {
my $content;
if ($caller eq 'resource') {
$content = &Apache::lonnet::getfile('/home/httpd/html/res/'.$url);
if ($content eq -1) {
$$message = 'Could not copy file '.$filename;
} else {
&extract_media($content,$count,$tempexport,$href,'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(\$content,$count,$tempexport,$href,'uploaded');
}
} else {
$$message = 'Could not render '.$url.' server message - '.$rtncode;
}
} elsif ($caller eq 'noedit') {
# Need to render the resource without the LON-CAPA Internal header and the Post discussion footer, and then set $content equal to this.
$repstatus = 'ok';
$content = 'Not the owner of this resource';
}
if ($repstatus eq 'ok') {
print $copiedfile $content;
}
close($copiedfile);
} else {
$$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 = $count.'/'.$filename;
}
return $content_name;
}
sub extract_media {
my ($content,$count,$tempexport,$href,$caller) = @_;
# @$href will contain path to any embedded resources in the content.
# For LON-CAPA problems this would be images. applets etc.
# For uploaded HTML files this would be images etc.
# paths will be in the form $count/res/$file, and urls in the $content will be rewritten with the new paths.
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 $count.'/'.$content_type.'.html';
} else {
return $count.'/'.$content_type.'.xml';
}
}
}
}
# Imports the given (name, url) resources into the course
# coursenum, coursedom, and folder must precede the list
sub group_import {
my $coursenum = shift;
my $coursedom = shift;
my $folder = shift;
my $container = shift;
my $caller = shift;
while (@_) {
my $name = shift;
my $url = shift;
if (($url =~ m#^/uploaded/$coursedom/$coursenum/(default_\d+\.)(page|sequence)$#) && ($caller eq 'londocs')) {
my $errtext = '';
my $fatal = 0;
my $newmapstr = '<map>'."\n".
'<resource id="1" src="" type="start"></resource>'."\n".
'<link from="1" to="2" index="1"></link>'."\n".
'<resource id="2" src="" type="finish"></resource>'."\n".
'</map>';
$env{'form.output'}=$newmapstr;
my $home=&Apache::lonnet::homeserver($coursenum,$coursedom);
my $result=&Apache::lonnet::finishuserfileupload($coursenum,$coursedom,$home,
'output',$1.$2);
if ($result != m|^/uploaded/|) {
$errtext.='Map not saved: A network error occured when trying to save the new map. ';
$fatal = 2;
}
if ($fatal) {
return ($errtext,$fatal);
}
}
if ($url) {
my $idx = &Apache::lonratedt::getresidx($url);
$Apache::lonratedt::order[$#Apache::lonratedt::order+1]=$idx;
my $ext = 'false';
if ($url=~/^http:\/\//) { $ext = 'true'; }
$url =~ s/:/\:/g;
$name =~ s/:/\:/g;
$Apache::lonratedt::resources[$idx] =
join ':', ($name, $url, $ext, 'normal', 'res');
}
}
return &storemap($coursenum, $coursedom, $folder.'.'.$container);
}
sub breadcrumbs {
my ($where)=@_;
&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='';
if ($env{'form.markedcopy_url'}) {
&Apache::lonnet::logthis('Found '.$env{'form.markedcopy_url'});
$cpinfo='&markedcopy_url='.
&Apache::lonnet::escape($env{'form.markedcopy_url'}).
'&markedcopy_title='.
&Apache::lonnet::escape($env{'form.markedcopy_title'});
}
while (@folders) {
my $folder=shift(@folders);
my $foldername=shift(@folders);
if ($folderpath) {$folderpath.='&';}
$folderpath.=$folder.'&'.$foldername;
my $url='/adm/coursedocs?folderpath='.
&Apache::lonnet::escape($folderpath);
&Apache::lonhtmlcommon::add_breadcrumb(
{'href'=>$url.$cpinfo,
'title'=>&Apache::lonnet::unescape($foldername),
'text'=>'<font size="+1">'.
&Apache::lonnet::unescape($foldername).'</font>'
});
}
return &Apache::lonhtmlcommon::breadcrumbs(undef,undef,undef,undef,undef,
0,'nohelp');
}
sub editor {
my ($r,$coursenum,$coursedom,$folder,$allowed)=@_;
my $errtext='';
my $fatal=0;
my $container='sequence';
if ($env{'form.pagepath'}) {
$container='page';
}
($errtext,$fatal)=
&mapread($coursenum,$coursedom,$folder.'.'.$container);
if ($#Apache::lonratedt::order<1) {
my $idx=&Apache::lonratedt::getresidx();
if ($idx<=0) { $idx=1; }
$Apache::lonratedt::order[0]=$idx;
$Apache::lonratedt::resources[$idx]='';
}
if (defined($env{'form.markcopy'})) {
# Mark for copying
my ($title,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$env{'form.markcopy'}]]);
$env{'form.markedcopy_title'}=$title;
$env{'form.markedcopy_url'}=$url;
}
$r->print(&breadcrumbs($folder));
if ($fatal) {
$r->print('<p><font color="red">'.$errtext.'</font></p>');
} else {
# ------------------------------------------------------------ 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
if (defined($env{'form.setparms'})) {
my $idx=$env{'form.setparms'};
# set parameters
if ($env{'form.randpick_'.$idx}) {
&Apache::lonratedt::storeparameter($idx,'parameter_randompick',$env{'form.randpick_'.$idx},'int_pos');
} else {
&Apache::lonratedt::delparameter($idx,'parameter_randompick');
}
if ($env{'form.hidprs_'.$idx}) {
&Apache::lonratedt::storeparameter($idx,'parameter_hiddenresource','yes','string_yesno');
} else {
&Apache::lonratedt::delparameter($idx,'parameter_hiddenresource');
}
if ($env{'form.encprs_'.$idx}) {
&Apache::lonratedt::storeparameter($idx,'parameter_encrypturl','yes','string_yesno');
} else {
&Apache::lonratedt::delparameter($idx,'parameter_encrypturl');
}
if ($env{'form.newpos'}) {
# change order
my $newpos=$env{'form.newpos'}-1;
my $currentpos=$env{'form.currentpos'}-1;
my $i;
my @neworder=();
if ($newpos>$currentpos) {
# moving stuff up
for ($i=0;$i<$currentpos;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i];
}
for ($i=$currentpos;$i<$newpos;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i+1];
}
$neworder[$newpos]=$Apache::lonratedt::order[$currentpos];
for ($i=$newpos+1;$i<=$#Apache::lonratedt::order;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i];
}
} else {
# moving stuff down
for ($i=0;$i<$newpos;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i];
}
$neworder[$newpos]=$Apache::lonratedt::order[$currentpos];
for ($i=$newpos+1;$i<$currentpos+1;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i-1];
}
for ($i=$currentpos+1;$i<=$#Apache::lonratedt::order;$i++) {
$neworder[$i]=$Apache::lonratedt::order[$i];
}
}
@Apache::lonratedt::order=@neworder;
}
# store the changed version
($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
if ($fatal) {
$r->print('<p><font color="red">'.$errtext.'</font></p>');
return;
}
}
if ($env{'form.pastemarked'}) {
# paste resource to end of list
my $url=$env{'form.markedcopy_url'};
my $title=$env{'form.markedcopy_title'};
# Maps need to be copied first
if (($url=~/\.(page|sequence)$/) || ($url=~/^\/uploaded\//)) {
$title=&mt('Copy of').' '.$title;
my $newid=$$.time;
$url=~/^(.+)\.(\w+)$/;
my $newurl=$1.$newid.'.'.$2;
my $storefn=$newurl;
$storefn=~s/^\/\w+\/\w+\/\w+\///;
&Apache::loncreatecourse::writefile
($env{'request.course.id'},$storefn,
&Apache::lonnet::getfile($url));
$url=$newurl;
}
$title=~s/\</\<\;/g;
$title=~s/\>/\>\;/g;
$title=~s/\:/\:/g;
my $ext='false';
if ($url=~/^http\:\/\//) { $ext='true'; }
$url=~s/\:/\:/g;
# Now insert the URL at the bottom
my $newidx=1+$#Apache::lonratedt::resources;
$Apache::lonratedt::resources[$newidx]=
$title.':'.$url.':'.$ext.':normal:res';
$Apache::lonratedt::order[1+$#Apache::lonratedt::order]=$newidx;
# Store the result
($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
if ($fatal) {
$r->print('<p><font color="red">'.$errtext.'</font></p>');
return;
}
}
# upload a file, if present
if (($env{'form.uploaddoc.filename'}) &&
($env{'form.cmd'}=~/^upload_(\w+)/)) {
if ( ($folder=~/^$1/) || ($1 eq 'default') ) {
# 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 $newidx=$#Apache::lonratedt::resources+1;
my $url=&Apache::lonnet::userfileupload('uploaddoc',1,'docs/'.$newidx);
my $ext='false';
if ($url=~/^http\:\/\//) { $ext='true'; }
$url=~s/\:/\:/g;
my $comment=$env{'form.comment'};
$comment=~s/\</\<\;/g;
$comment=~s/\>/\>\;/g;
$comment=~s/\:/\:/g;
if ($folder=~/^supplemental/) {
$comment=time.'___&&&___'.$env{'user.name'}.'___&&&___'.
$env{'user.domain'}.'___&&&___'.$comment;
}
$Apache::lonratedt::resources[$newidx]=
$comment.':'.$url.':'.$ext.':normal:res';
$Apache::lonratedt::order[$#Apache::lonratedt::order+1]=
$newidx;
($errtext,$fatal)=&storemap($coursenum,$coursedom,$folder.'.'.$container);
if ($fatal) {
$r->print('<p><font color="red">'.$errtext.'</font></p>');
return;
}
}
}
if ($env{'form.cmd'}) {
my ($cmd,$idx)=split(/\_/,$env{'form.cmd'});
if ($cmd eq 'del') {
my (undef,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]]);
if ($url=~m|/+uploaded/\Q$coursedom\E/\Q$coursenum\E/|) {
&Apache::lonnet::removeuploadedurl($url);
}
for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
$Apache::lonratedt::order[$i]=
$Apache::lonratedt::order[$i+1];
}
$#Apache::lonratedt::order--;
} elsif ($cmd eq 'cut') {
my (undef,$url)=split(':',$Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]]);
for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
$Apache::lonratedt::order[$i]=
$Apache::lonratedt::order[$i+1];
}
$#Apache::lonratedt::order--;
} elsif ($cmd eq 'up') {
if (($idx) && (defined($Apache::lonratedt::order[$idx-1]))) {
my $i=$Apache::lonratedt::order[$idx-1];
$Apache::lonratedt::order[$idx-1]=
$Apache::lonratedt::order[$idx];
$Apache::lonratedt::order[$idx]=$i;
}
} elsif ($cmd eq 'down') {
if (defined($Apache::lonratedt::order[$idx+1])) {
my $i=$Apache::lonratedt::order[$idx+1];
$Apache::lonratedt::order[$idx+1]=
$Apache::lonratedt::order[$idx];
$Apache::lonratedt::order[$idx]=$i;
}
} elsif ($cmd eq 'rename') {
my $ratstr = $Apache::lonratedt::resources[$Apache::lonratedt::order[$idx]];
my ($rtitle,@rrest)=split(/\:/,
$Apache::lonratedt::resources[
$Apache::lonratedt::order[$idx]]);
my $comment=
&HTML::Entities::decode($env{'form.title'});
$comment=~s/\</\<\;/g;
$comment=~s/\>/\>\;/g;
$comment=~s/\:/\:/g;
if ($comment=~/\S/) {
$Apache::lonratedt::resources[
$Apache::lonratedt::order[$idx]]=
$comment.':'.join(':',@rrest);
}
}
# Store the changed version
($errtext,$fatal)=&storemap($coursenum,$coursedom,
$folder.'.'.$container);
if ($fatal) {
$r->print('<p><font color="red">'.$errtext.'</font></p>');
return;
}
}
# Group import/search
if ($env{'form.importdetail'}) {
my @imports;
foreach (split(/\&/,$env{'form.importdetail'})) {
if (defined($_)) {
my ($name,$url)=split(/\=/,$_);
$name=&Apache::lonnet::unescape($name);
$url=&Apache::lonnet::unescape($url);
push @imports, $name, $url;
}
}
# Store the changed version
($errtext,$fatal)=group_import($coursenum, $coursedom, $folder,
$container,'londocs',@imports);
if ($fatal) {
$r->print('<p><font color="red">'.$errtext.'</font></p>');
return;
}
}
# Loading a complete map
if (($env{'form.importmap'}) && ($env{'form.loadmap'})) {
foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$env{'form.importmap'}))) {
my $idx=$#Apache::lonratedt::resources;
$idx++;
$Apache::lonratedt::resources[$idx]=$_;
$Apache::lonratedt::order
[$#Apache::lonratedt::order+1]=$idx;
}
# Store the changed version
($errtext,$fatal)=&storemap($coursenum,$coursedom,
$folder.'.'.$container);
if ($fatal) {
$r->print('<p><font color="red">'.$errtext.'</font></p>');
return;
}
}
}
# ---------------------------------------------------------------- End commands
# ---------------------------------------------------------------- Print screen
my $idx=0;
my $shown=0;
$r->print('<table>');
foreach (@Apache::lonratedt::order) {
my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);
unless ($name) { $name=(split(/\//,$url))[-1]; }
unless ($name) { $idx++; next; }
$r->print(&entryline($idx,$name,$url,$folder,$allowed,$_,$coursenum));
$idx++;
$shown++;
}
unless ($shown) {
$r->print('<tr><td>'.&mt('Currently no documents.').'</td></tr>');
}
$r->print("\n</table>\n");
if ($env{'form.markedcopy_url'}) {
$r->print(<<ENDPASTE);
<p><form name="pasteform" action="/adm/coursedocs" method="post">
<input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
<input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
ENDPASTE
$r->print(
'<input type="submit" name="pastemarked" value="'.&mt('Paste').
'" /> '.&Apache::loncommon::filedescription(
(split(/\./,$env{'form.markedcopy_url'}))[-1]).': '.
$env{'form.markedcopy_title'});
if ($container eq 'page') {
$r->print(<<PAGEINFO);
<input type="hidden" name="pagepath" value="$env{'form.pagepath'}" />
<input type="hidden" name="pagesymb" value="$env{'form.pagesymb'}" />
PAGEINFO
} else {
$r->print(<<FOLDERINFO);
<input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
FOLDERINFO
}
$r->print('</form></p>');
}
}
}
# --------------------------------------------------------------- An entry line
sub entryline {
my ($index,$title,$url,$folder,$allowed,$residx,$coursenum)=@_;
$title=~s/\&colon\;/\:/g;
$title=&HTML::Entities::encode(&HTML::Entities::decode(
&Apache::lonnet::unescape($title)),'"<>&\'');
my $renametitle=$title;
my $foldertitle=$title;
my $pagetitle=$title;
my $orderidx=$Apache::lonratedt::order[$index];
if ($title=~ /^(\d+)___&&&___(\w+)___&&&___(\w+)___&&&___(.*)$/ ) {
$foldertitle=&Apache::lontexconvert::msgtexconverted($4);
$renametitle=$4;
$title='<i>'.&Apache::lonlocal::locallocaltime($1).'</i> '.
&Apache::loncommon::plainname($2,$3).': <br />'.
$foldertitle;
}
$renametitle=~s/\"\;/\\\"/g;
my $line='<tr>';
# Edit commands
my $container;
my $folderpath;
if ($env{'form.folderpath'}) {
$container = 'sequence';
$folderpath=&Apache::lonnet::escape($env{'form.folderpath'});
# $htmlfoldername=&HTML::Entities::encode($env{'form.foldername'},'<>&"');
}
my ($pagepath,$pagesymb);
if ($env{'form.pagepath'}) {
$container = 'page';
$pagepath=&Apache::lonnet::escape($env{'form.pagepath'});
$pagesymb=&Apache::lonnet::escape($env{'form.pagesymb'});
}
my $cpinfo='';
if ($env{'form.markedcopy_url'}) {
$cpinfo='&markedcopy_url='.
&Apache::lonnet::escape($env{'form.markedcopy_url'}).
'&markedcopy_title='.
&Apache::lonnet::escape($env{'form.markedcopy_title'});
}
if ($allowed) {
my $incindex=$index+1;
my $selectbox='';
if (($folder!~/^supplemental/) &&
($#Apache::lonratedt::order>0) &&
((split(/\:/,
$Apache::lonratedt::resources[$Apache::lonratedt::order[0]]))[1]
ne '') &&
((split(/\:/,
$Apache::lonratedt::resources[$Apache::lonratedt::order[1]]))[1]
ne '')) {
$selectbox=
'<input type="hidden" name="currentpos" value="'.$incindex.'" />'.
'<select name="newpos" onChange="this.form.submit()">';
for (my $i=1;$i<=$#Apache::lonratedt::order+1;$i++) {
if ($i==$incindex) {
$selectbox.='<option value="" selected="1">('.$i.')</option>';
} else {
$selectbox.='<option value="'.$i.'">'.$i.'</option>';
}
}
$selectbox.='</select>';
}
my %lt=&Apache::lonlocal::texthash(
'up' => 'Move Up',
'dw' => 'Move Down',
'rm' => 'Remove',
'ct' => 'Cut',
'rn' => 'Rename',
'cp' => 'Copy');
if ($env{'form.pagepath'}) {
$line.=(<<END);
<form name="entry_$index" action="/adm/coursedocs" method="post">
<input type="hidden" name="pagepath" value="$env{'form.pagepath'}" />
<input type="hidden" name="pagesymb" value="$env{'form.pagesymb'}" />
<input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
<input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
<input type="hidden" name="setparms" value="$orderidx" />
<td><table border='0' cellspacing='2' cellpadding='0'>
<tr><td bgcolor="#DDDDDD">
<a href='/adm/coursedocs?cmd=up_$index&pagepath=$pagepath&pagesymb=$pagesymb$cpinfo'>
<img src="${iconpath}move_up.gif" alt='$lt{'up'}' border='0' /></a></td></tr>
<tr><td bgcolor="#DDDDDD">
<a href='/adm/coursedocs?cmd=down_$index&pagepath=$pagepath&pagesymb=$pagesymb$cpinfo'>
<img src="${iconpath}move_down.gif" alt='$lt{'dw'}' border='0' /></a></td></tr>
</table></td>
<td>$selectbox
</td><td bgcolor="#DDDDDD">
<a href='javascript:removeres("$pagepath","$index","$renametitle","page","$pagesymb");'>
<font size="-2" color="#990000">$lt{'rm'}</font></a>
<a href='javascript:cutres("$pagepath","$index","$renametitle","page","$pagesymb");'>
<font size="-2" color="#550044">$lt{'ct'}</font></a>
<a href='javascript:changename("$pagepath","$index","$renametitle","page","$pagesymb");'>
<font size="-2" color="#009900">$lt{'rn'}</font></a>
<a href='javascript:markcopy("$pagepath","$index","$renametitle","page","$pagesymb");'>
<font size="-2" color="#000099">$lt{'cp'}</font></a></td>
END
} else {
$line.=(<<END);
<form name="entry_$index" action="/adm/coursedocs" method="post">
<input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
<input type="hidden" name="markedcopy_url" value="$env{'form.markedcopy_url'}" />
<input type="hidden" name="markedcopy_title" value="$env{'form.markedcopy_title'}" />
<input type="hidden" name="setparms" value="$orderidx" />
<td><table border='0' cellspacing='2' cellpadding='0'>
<tr><td bgcolor="#DDDDDD">
<a href='/adm/coursedocs?cmd=up_$index&folderpath=$folderpath$cpinfo'>
<img src="${iconpath}move_up.gif" alt='$lt{'up'}' border='0' /></a></td></tr>
<tr><td bgcolor="#DDDDDD">
<a href='/adm/coursedocs?cmd=down_$index&folderpath=$folderpath$cpinfo'>
<img src="${iconpath}move_down.gif" alt='$lt{'dw'}' border='0' /></a></td></tr>
</table></td>
<td>$selectbox
</td><td bgcolor="#DDDDDD">
<a href='javascript:removeres("$folderpath","$index","$renametitle","sequence");'>
<font size="-2" color="#990000">$lt{'rm'}</font></a>
<a href='javascript:cutres("$folderpath","$index","$renametitle","sequence");'>
<font size="-2" color="#550044">$lt{'ct'}</font></a>
<a href='javascript:changename("$folderpath","$index","$renametitle","sequence");'>
<font size="-2" color="#009900">$lt{'rn'}</font></a>
<a href='javascript:markcopy("$folderpath","$index","$renametitle","sequence");'>
<font size="-2" color="#000099">$lt{'cp'}</font></a></td>
END
}
}
# Figure out what kind of a resource this is
my ($extension)=($url=~/\.(\w+)$/);
my $uploaded=($url=~/^\/*uploaded\//);
my $icon=&Apache::loncommon::icon($url);
my $isfolder=0;
my $ispage=0;
my $folderarg;
my $pagearg;
my $pagefile;
if ($uploaded) {
if ($extension eq 'sequence') {
$icon=$iconpath.'/folder_closed.gif';
$url=~/$coursenum\/([\/\w]+)\.sequence$/;
$url='/adm/coursedocs?';
$folderarg=$1;
$isfolder=1;
} elsif ($extension eq 'page') {
$icon=$iconpath.'/page.gif';
$url=~/$coursenum\/([\/\w]+)\.page$/;
$pagearg=$1;
$url='/adm/coursedocs?';
$ispage=1;
} else {
&Apache::lonnet::allowuploaded('/adm/coursedoc',$url);
}
}
$url=~s/^http\&colon\;\/\//\/adm\/wrapper\/ext\//;
if ((!$isfolder) && ($residx) && ($folder!~/supplemental/) && (!$ispage)) {
my $symb=&Apache::lonnet::symbclean(
&Apache::lonnet::declutter('uploaded/'.
$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
$env{'course.'.$env{'request.course.id'}.'.num'}.'/'.$folder.
'.sequence').
'___'.$residx.'___'.
&Apache::lonnet::declutter($url));
(undef,undef,$url)=&Apache::lonnet::decode_symb($symb);
$url=&Apache::lonnet::clutter($url);
if ($url=~/^\/*uploaded\//) {
$url=~/\.(\w+)$/;
my $embstyle=&Apache::loncommon::fileembstyle($1);
if (($embstyle eq 'img') || ($embstyle eq 'emb')) {
$url='/adm/wrapper'.$url;
} elsif ($embstyle eq 'ssi') {
#do nothing with these
} elsif ($url!~/\.(sequence|page)$/) {
$url='/adm/coursedocs/showdoc'.$url;
}
} elsif ($url=~m|^/ext/|) {
$url='/adm/wrapper'.$url;
}
$url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);
if ($container eq 'page') {
my $symb=$env{'form.pagesymb'};
$url=&Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
$url.=(($url=~/\?/)?'&':'?').'symb='.&Apache::lonnet::escape($symb);
}
}
my $parameterset=' ';
if ($isfolder) {
my $foldername=&Apache::lonnet::escape($foldertitle);
my $folderpath=$env{'form.folderpath'};
if ($folderpath) { $folderpath.='&' };
$folderpath.=$folderarg.'&'.$foldername;
$url.='folderpath='.&Apache::lonnet::escape($folderpath).$cpinfo;
$parameterset='<label>'.&mt('Randomly Pick: ').
'<input type="text" size="4" onChange="this.form.submit()" name="randpick_'.$orderidx.'" value="'.
(&Apache::lonratedt::getparameter($orderidx,
'parameter_randompick'))[0].
'" />'.
'<font size="-2"><a href="javascript:void(0)">'.&mt('Store').'</a></font></label>';
}
if ($ispage) {
my $pagename=&Apache::lonnet::escape($pagetitle);
my $pagepath;
my $folderpath=$env{'form.folderpath'};
if ($folderpath) { $pagepath = $folderpath.'&' };
$pagepath.=$pagearg.'&'.$pagename;
my $symb=$env{'form.pagesymb'};
if (!$symb) {
my $path='uploaded/'.
$env{'course.'.$env{'request.course.id'}.'.domain'}.'/'.
$env{'course.'.$env{'request.course.id'}.'.num'}.'/';
$symb=&Apache::lonnet::encode_symb($path.$folder.'.sequence',
$residx,
$path.$pagearg.'.page');
}
$url.='pagepath='.&Apache::lonnet::escape($pagepath).
'&pagesymb='.&Apache::lonnet::escape($symb).$cpinfo;
}
$line.='<td bgcolor="#FFFFBB"><a href="'.$url.'"><img src="'.$icon.
'" border="0"></a></td>'.
"<td bgcolor='#FFFFBB'><a href='$url'>$title</a></td>";
if (($allowed) && ($folder!~/^supplemental/)) {
my %lt=&Apache::lonlocal::texthash(
'hd' => 'Hidden',
'ec' => 'URL hidden');
my $enctext=
((&Apache::lonratedt::getparameter($orderidx,'parameter_encrypturl'))[0]=~/^yes$/i?' checked="1"':'');
my $hidtext=
((&Apache::lonratedt::getparameter($orderidx,'parameter_hiddenresource'))[0]=~/^yes$/i?' checked="1"':'');
$line.=(<<ENDPARMS);
<td bgcolor="#BBBBFF"><font size='-2'>
<nobr><label><input type="checkbox" name="hidprs_$orderidx" onClick="this.form.submit()" $hidtext /> $lt{'hd'}</label></nobr></td>
<td bgcolor="#BBBBFF"><font size='-2'>
<nobr><label><input type="checkbox" name="encprs_$orderidx" onClick="this.form.submit()" $enctext /> $lt{'ec'}</label></nobr></td>
<td bgcolor="#BBBBFF"><font size="-2">$parameterset</font></td>
ENDPARMS
}
$line.="</form></tr>";
return $line;
}
# ---------------------------------------------------------------- tie the hash
sub tiehash {
my ($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; }
$hashtied=0;
}
# --------------------------------------------------------------- check on this
sub checkonthis {
my ($r,$url,$level,$title)=@_;
$url=&Apache::lonnet::unescape($url);
$alreadyseen{$url}=1;
$r->rflush();
if (($url) && ($url!~/^\/uploaded\//) && ($url!~/\*$/)) {
$r->print("\n<br />");
for (my $i=0;$i<=$level*5;$i++) {
$r->print(' ');
}
$r->print('<a href="'.$url.'" target="cat">'.
($title?$title:$url).'</a> ');
if ($url=~/^\/res\//) {
my $result=&Apache::lonnet::repcopy(
&Apache::lonnet::filelocation('',$url));
if ($result eq 'ok') {
$r->print('<font color="green">'.&mt('ok').'</font>');
$r->rflush();
&Apache::lonnet::countacc($url);
$url=~/\.(\w+)$/;
if (&Apache::loncommon::fileembstyle($1) eq 'ssi') {
$r->print('<br />');
$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('<img src="/adm/lonMisc/bomb.gif" /><font color="red"><b>'.
$errorcount.' '.
&mt('error(s)').'</b></font> ');
}
if ($warningcount) {
$r->print('<font color="blue">'.
$warningcount.' '.
&mt('warning(s)').'</font>');
}
} else {
$r->print('<font color="green">'.&mt('ok').'</font>');
}
$r->rflush();
}
my $dependencies=
&Apache::lonnet::metadata($url,'dependencies');
foreach (split(/\,/,$dependencies)) {
if (($_=~/^\/res\//) && (!$alreadyseen{$_})) {
&checkonthis($r,$_,$level+1);
}
}
} elsif ($result eq 'unavailable') {
$r->print('<font color="red"><b>'.&mt('connection down').'</b></font>');
} elsif ($result eq 'not_found') {
unless ($url=~/\$/) {
$r->print('<font color="red"><b>'.&mt('not found').'</b></font>');
} else {
$r->print('<font color="yellow"><b>'.&mt('unable to verify variable URL').'</b></font>');
}
} else {
$r->print('<font color="red"><b>'.&mt('access denied').'</b></font>');
}
}
}
}
#
# -------------------------------------------------------------- Verify Content
#
sub verifycontent {
my $r=shift;
my $loaderror=&Apache::lonnet::overloaderror($r);
if ($loaderror) { return $loaderror; }
my $html=&Apache::lonxml::xmlbegin();
$r->print($html.'<head><title>Verify Content</title></head>'.
&Apache::loncommon::bodytag('Verify Course Documents'));
$hashtied=0;
undef %alreadyseen;
%alreadyseen=();
&tiehash();
foreach (keys %hash) {
if ($hash{$_}=~/\.(page|sequence)$/) {
if (($_=~/^src_/) && ($alreadyseen{&Apache::lonnet::unescape($hash{$_})})) {
$r->print('<hr /><font color="red">'.
&mt('The following sequence or page is included more than once in your course: ').
&Apache::lonnet::unescape($hash{$_}).'</font><br />'.
&mt('Note that grading records for problems included in this sequence or folder will overlap.<hr />'));
}
}
if (($_=~/^src\_(.+)$/) && (!$alreadyseen{&Apache::lonnet::unescape($hash{$_})})) {
&checkonthis($r,$hash{$_},0,$hash{'title_'.$1});
}
}
&untiehash();
$r->print('<h1>'.&mt('Done').'.</h1>'.'<a href="/adm/coursedocs">'.
&mt('Return to DOCS').'</a>');
}
# -------------------------------------------------------------- Check Versions
sub checkversions {
my $r=shift;
my $html=&Apache::lonxml::xmlbegin();
$r->print($html.'<head><title>Check Versions</title></head>'.
&Apache::loncommon::bodytag('Check Course 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'}) {
$haschanged=1;
foreach (keys %hash) {
if ($_=~/^ids\_(\/res\/.+)$/) {
$newsetversions{$1}='mostrecent';
}
}
} elsif ($env{'form.setcurrent'}) {
$haschanged=1;
foreach (keys %hash) {
if ($_=~/^ids\_(\/res\/.+)$/) {
my $getvers=&Apache::lonnet::getversion($1);
if ($getvers>0) {
$newsetversions{$1}=$getvers;
}
}
}
} elsif ($env{'form.setversions'}) {
$haschanged=1;
foreach (keys %env) {
if ($_=~/^form\.set_version_(.+)$/) {
my $src=$1;
if (($env{$_}) && ($env{$_} ne $setversions{$src})) {
$newsetversions{$src}=$env{$_};
}
}
}
}
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('<h1>'.&mt('Your Version Settings have been Stored').'</h1>');
} else {
$r->print('<h1><font color="red">'.&mt('An Error Occured while Attempting to Store your Version Settings').'</font></h1>');
}
&mark_hash_old();
}
&changewarning($r,'');
if ($env{'form.timerange'} eq 'all') {
# show all documents
$header=&mt('All Documents in Course');
$allsel=1;
foreach (keys %hash) {
if ($_=~/^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 Course',
'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 Course',
'vu' => 'Set Version to be used in Course',
'sv' => 'Set Versions to be used in Course 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');
$r->print(<<ENDHEADERS);
<form action="/adm/coursedocs" method="post">
<input type="hidden" name="versions" value="1" />
<input type="submit" name="setmostrecent" value="$lt{'sm'}" />
<input type="submit" name="setcurrent" value="$lt{'sc'}" /><hr />
<select name="timerange">
<option value='all' $allsel>$lt{'al'}</option>
<option value="-1" $startsel>$lt{'st'}</option>
<option value="2592000" $monthsel>$lt{'lm'}</option>
<option value="604800" $weeksel>$lt{'lw'}</option>
<option value="86400" $daysel>$lt{'sy'}</option>
</select>
<input type="submit" name="display" value="$lt{'sd'}" />
<h3>$header</h3>
<input type="submit" name="setversions" value="$lt{'sv'}" />
<table border="0">
ENDHEADERS
foreach (sort keys %changes) {
if ($changes{$_}>$starttime) {
my ($root,$extension)=($_=~/^(.*)\.(\w+)$/);
my $currentversion=&Apache::lonnet::getversion($_);
if ($currentversion<0) {
$currentversion=&mt('Could not be determined.');
}
my $linkurl=&Apache::lonnet::clutter($_);
$r->print(
'<tr><td colspan="5"><br /><br /><font size="+1"><b>'.
&Apache::lonnet::gettitle($linkurl).
'</b></font></td></tr>'.
'<tr><td> </td>'.
'<td colspan="4">'.
'<a href="'.$linkurl.'" target="cat">'.$linkurl.
'</a></td></tr>'.
'<tr><td></td>'.
'<td title="'.$lt{'md'}.'">'.
&Apache::lonlocal::locallocaltime(
&Apache::lonnet::metadata($root.'.'.$extension,
'lastrevisiondate')
).
'</td>'.
'<td title="'.$lt{'mr'}.'"><nobr>Most Recent: '.
'<font size="+1">'.$currentversion.'</font>'.
'</nobr></td>'.
'<td title="'.$lt{'ve'}.'"><nobr>In Course: '.
'<font size="+1">');
# Used in course
my $usedversion=$hash{'version_'.$linkurl};
if (($usedversion) && ($usedversion ne 'mostrecent')) {
$r->print($usedversion);
} else {
$r->print($currentversion);
}
$r->print('</font></nobr></td><td title="'.$lt{'vu'}.'">'.
'<nobr>Use: ');
# Set version
$r->print(&Apache::loncommon::select_form($setversions{$linkurl},
'set_version_'.$linkurl,
('select_form_order' =>
['',1..$currentversion,'mostrecent'],
'' => '',
'mostrecent' => 'most recent',
map {$_,$_} (1..$currentversion))));
$r->print('</nobr></td></tr><tr><td></td>');
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('<td valign="top"><font size="-2">');
my $cols_output = 1;
for (my $prevvers=$lastold;$prevvers<$currentversion;$prevvers++) {
my $url=$root.'.'.$prevvers.'.'.$extension;
$r->print('<nobr><a href="'.&Apache::lonnet::clutter($url).
'">'.&mt('Version').' '.$prevvers.'</a> ('.
&Apache::lonlocal::locallocaltime(
&Apache::lonnet::metadata($url,
'lastrevisiondate')
).
')');
if (&Apache::loncommon::fileembstyle($extension) eq 'ssi') {
$r->print(' <a href="/adm/diff?filename='.
&Apache::lonnet::clutter($root.'.'.$extension).
'&versionone='.$prevvers.
'">'.&mt('Diffs').'</a>');
}
$r->print('</nobr><br />');
if (++$entries_count % $entries_per_col == 0) {
$r->print('</font></td>');
if ($cols_output != 4) {
$r->print('<td valign="top"><font size="-2">');
$cols_output++;
}
}
}
while($cols_output++ < 4) {
$r->print('</font></td><td><font>')
}
$r->print('</font></td></tr>'."\n");
}
}
$r->print('</table></form>');
$r->print('<h1>'.&mt('Done').'.</h1>');
&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 $path=&Apache::lonnet::escape($env{'form.folderpath'});
if (!defined($url)) {
if (defined($env{'form.pagepath'})) {
$pathvar='pagepath';
$path=&Apache::lonnet::escape($env{'form.pagepath'});
$path.='&symb='.&Apache::lonnet::escape($env{'form.pagesymb'});
}
$url='/adm/coursedocs?'.$pathvar.'='.$path;
}
if (!defined($message)) {
$message='Changes will become active for your current session after [_1], or the next time you log in.';
}
$r->print(
'<script>function reinit(tf) { tf.submit();'.$postexec.' }</script>'.
'<form method="post" action="/adm/roles" target="loncapaclient">'.
'<input type="hidden" name="orgurl" value="'.$url.
'" /><input type="hidden" name="selectrole" value="1" /><h3><font color="red">'.
&mt($message,' <input type="hidden" name="'.
$env{'request.role'}.'" value="1" /><input type="button" value="'.
&mt('re-initializing course').'" onClick="reinit(this.form)" />').
$help{'Caching'}.'</font></h3></form>');
}
# ================================================================ Main Handler
sub handler {
my $r = shift;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
# --------------------------------------------- Initialize help topics for this
foreach ('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') {
$help{$_}=&Apache::loncommon::help_open_topic('Docs_'.$_);
}
# 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');
$help{'Caching'} = &Apache::loncommon::help_open_topic('Caching');
if ($env{'form.verify'}) {
&verifycontent($r);
} elsif ($env{'form.versions'}) {
&checkversions($r);
} elsif ($env{'form.dumpcourse'}) {
&dumpcourse($r);
} elsif ($env{'form.exportcourse'}) {
&exportcourse($r);
} else {
# is this a standard course?
my $standard=($env{'request.course.uri'}=~/^\/uploaded\//);
my $forcestandard = 0;
my $forcesupplement;
my $script='';
my $allowed;
my $events='';
my $showdoc=0;
my $containertag;
my $uploadtag;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['folderpath','pagepath','pagesymb','markedcopy_url','markedcopy_title']);
if ($env{'form.folderpath'}) {
my (@folderpath)=split('&',$env{'form.folderpath'});
$env{'form.foldername'}=&Apache::lonnet::unescape(pop(@folderpath));
$env{'form.folder'}=pop(@folderpath);
}
if ($env{'form.pagepath'}) {
my (@pagepath)=split('&',$env{'form.pagepath'});
$env{'form.pagename'}=&Apache::lonnet::unescape(pop(@pagepath));
$env{'form.folder'}=pop(@pagepath);
$containertag = '<input type="hidden" name="pagepath" value="" />'.
'<input type="hidden" name="pagesymb" value="" />';
$uploadtag = '<input type="hidden" name="pagepath" value="'.$env{'form.pagepath'}.'" />'.
'<input type="hidden" name="pagesymb" value="'.$env{'form.pagesymb'}.'" />';
}
if ($r->uri=~/^\/adm\/coursedocs\/showdoc\/(.*)$/) {
$showdoc='/'.$1;
}
unless ($showdoc) { # got called from remote
if (($env{'form.folder'}=~/^default_/) ||
($env{'form.folder'} =~ m#^\d+/(pages|sequences)/#)) {
$forcestandard = 1;
}
$forcesupplement=($env{'form.folder'}=~/^supplemental_/);
# does this user have privileges to post, etc?
$allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
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;
$script='</script>'.&Apache::lonmenu::registerurl(1,undef).'<script>';
$events='onLoad="'.&Apache::lonmenu::loadevents.
'" onUnload="'.&Apache::lonmenu::unloadevents.'"';
}
# 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 $plainname=&Apache::lonnet::escape(
&Apache::loncommon::plainname($uname,$udom));
# graphics settings
$iconpath = &Apache::loncommon::lonhttpdurl($r->dir_config('lonIconsURL') . "/");
my $now=time;
# print screen
my $html=&Apache::lonxml::xmlbegin();
$r->print(<<ENDDOCUMENT);
$html
<head>
<title>The LearningOnline Network with CAPA</title>
<script>
$script
</script>
ENDDOCUMENT
if ($allowed) {
$r->print(<<ENDNEWSCRIPT);
<script>
function makenewfolder(targetform,folderseq) {
var foldername=prompt('Name of New Folder','New Folder');
if (foldername) {
targetform.importdetail.value=foldername+"="+folderseq;
targetform.submit();
}
}
function makenewpage(targetform,folderseq) {
var pagename=prompt('Name of New Page','New Page');
if (pagename) {
targetform.importdetail.value=pagename+"="+folderseq;
targetform.submit();
}
}
function makenewext(targetname) {
this.document.forms.extimport.useform.value=targetname;
window.open('/adm/rat/extpickframe.html');
}
function makeexamupload() {
var title=prompt('Listed Title for the Uploaded Score');
if (title) {
this.document.forms.newexamupload.importdetail.value=
title+'=/res/lib/templates/examupload.problem';
this.document.forms.newexamupload.submit();
}
}
function makesmppage() {
var title=prompt('Listed Title for the Page');
if (title) {
this.document.forms.newsmppg.importdetail.value=
title+'=/adm/$udom/$uname/$now/smppg';
this.document.forms.newsmppg.submit();
}
}
function makesmpproblem() {
var title=prompt('Listed Title for the Problem');
if (title) {
this.document.forms.newsmpproblem.importdetail.value=
title+'=/res/lib/templates/simpleproblem.problem';
this.document.forms.newsmpproblem.submit();
}
}
function makebulboard() {
var title=prompt('Listed Title for the Bulletin Board');
if (title) {
this.document.forms.newbul.importdetail.value=
title+'=/adm/$udom/$uname/$now/bulletinboard';
this.document.forms.newbul.submit();
}
}
function makeabout() {
var user=prompt("Enter user\@domain for User's 'About Me' Page");
if (user) {
var comp=new Array();
comp=user.split('\@');
if ((typeof(comp[0])!=undefined) && (typeof(comp[1])!=undefined)) {
if ((comp[0]) && (comp[1])) {
this.document.forms.newaboutsomeone.importdetail.value=
'About '+user+'=/adm/'+comp[1]+'/'+comp[0]+'/aboutme';
this.document.forms.newaboutsomeone.submit();
} else {
alert("Not a valid user\@domain");
}
} else {
alert("Please enter both user and domain in the format user\@domain");
}
}
}
function makeims() {
var caller = document.forms.ims.folder.value;
var newlocation = "/adm/imsimportdocs?folder="+caller+"&phase=one";
newWindow = window.open("","IMSimport","HEIGHT=700,WIDTH=750,scrollbars=yes");
newWindow.location.href = newlocation;
}
function finishpick() {
var title=this.document.forms.extimport.title.value;
var url=this.document.forms.extimport.url.value;
var form=this.document.forms.extimport.useform.value;
eval
('this.document.forms.'+form+'.importdetail.value="'+title+'='+url+
'";this.document.forms.'+form+'.submit();');
}
function changename(folderpath,index,oldtitle,container,pagesymb) {
var title=prompt('New Title',oldtitle);
if (title) {
this.document.forms.renameform.title.value=title;
this.document.forms.renameform.cmd.value='rename_'+index;
if (container == 'sequence') {
this.document.forms.renameform.folderpath.value=folderpath;
}
if (container == 'page') {
this.document.forms.renameform.pagepath.value=folderpath;
this.document.forms.renameform.pagesymb.value=pagesymb;
}
this.document.forms.renameform.submit();
}
}
function removeres(folderpath,index,oldtitle,container,pagesymb) {
if (confirm('WARNING: Removing a resource makes associated grades and scores inaccessible!\\nRemove "'+oldtitle+'"?')) {
this.document.forms.renameform.cmd.value='del_'+index;
if (container == 'sequence') {
this.document.forms.renameform.folderpath.value=folderpath;
}
if (container == 'page') {
this.document.forms.renameform.pagepath.value=folderpath;
this.document.forms.renameform.pagesymb.value=pagesymb;
}
this.document.forms.renameform.submit();
}
}
function cutres(folderpath,index,oldtitle,container,pagesymb) {
if (confirm('WARNING: Cutting a resource makes associated grades and scores inaccessible,\\neven if it is pasted in again elsewhere!\\nCut "'+oldtitle+'"?')) {
this.document.forms.renameform.cmd.value='cut_'+index;
this.document.forms.renameform.markcopy.value=index;
if (container == 'sequence') {
this.document.forms.renameform.folderpath.value=folderpath;
}
if (container == 'page') {
this.document.forms.renameform.pagepath.value=folderpath;
this.document.forms.renameform.pagesymb.value=pagesymb;
}
this.document.forms.renameform.submit();
}
}
function markcopy(folderpath,index,oldtitle,container,pagesymb) {
this.document.forms.renameform.markcopy.value=index;
if (container == 'sequence') {
this.document.forms.renameform.folderpath.value=folderpath;
}
if (container == 'page') {
this.document.forms.renameform.pagepath.value=folderpath;
this.document.forms.renameform.pagesymb.value=pagesymb;
}
this.document.forms.renameform.submit();
}
</script>
ENDNEWSCRIPT
}
# -------------------------------------------------------------------- Body tag
$r->print('</head>'.
&Apache::loncommon::bodytag('Course Documents','',$events,
'','',$showdoc).
&Apache::loncommon::help_open_menu('','','','',273,'RAT'));
unless ($showdoc) {
# -----------------------------------------------------------------------------
my %lt=&Apache::lonlocal::texthash(
'uplm' => 'Upload a new main course document',
'upls' => 'Upload a new supplemental course document',
'impp' => 'Import a document',
'pubd' => 'Published documents',
'copm' => 'All documents out of a published map',
'spec' => 'Special documents',
'upld' => 'Upload Document',
'srch' => 'Search',
'impo' => 'Import',
'selm' => 'Select Map',
'load' => 'Load Map',
'newf' => 'New Folder',
'newp' => 'New Composite Page',
'extr' => 'External Resource',
'syll' => 'Syllabus',
'navc' => 'Navigate Contents',
'sipa' => 'Simple Page',
'sipr' => 'Simple Problem',
'scuf' => 'Score Upload Form',
'bull' => 'Bulletin Board',
'mypi' => 'My Personal Info',
'abou' => 'About User',
'imsf' => 'Import IMS package',
'file' => 'File',
'title' => 'Title',
'comment' => 'Comment'
);
# -----------------------------------------------------------------------------
if ($allowed) {
my $dumpbut=&dumpbutton();
my $exportbut=&exportbutton();
my %lt=&Apache::lonlocal::texthash(
'vc' => 'Verify Content',
'cv' => 'Check/Set Resource Versions',
);
my $folderpath=$env{'form.folderpath'};
if (!$folderpath) {
if ($env{'form.folder'} eq '' ||
$env{'form.folder'} eq 'supplemental') {
$folderpath='default&'.
&Apache::lonnet::escape(&mt('Main Course Documents'));
}
}
unless ($env{'form.pagepath'}) {
$containertag = '<input type="hidden" name="folderpath" value="" />';
$uploadtag = '<input type="hidden" name="folderpath" value="'.$folderpath.'" />';
}
$r->print(<<ENDCOURSEVERIFY);
<form name="renameform" method="post" action="/adm/coursedocs">
<input type="hidden" name="title" />
<input type="hidden" name="cmd" />
<input type="hidden" name="markcopy" />
$containertag
</form>
<form name="simpleedit" method="post" action="/adm/coursedocs">
<input type=hidden name="importdetail" value="">
$uploadtag
</form>
<form action="/adm/coursedocs" method="post" name="courseverify">
<table bgcolor="#AAAAAA" width="100%" cellspacing="4" cellpadding="4">
<tr><td bgcolor="#DDDDCC">
<input type="submit" name="verify" value="$lt{'vc'}" />$help{'Verify_Content'}
</td><td bgcolor="#DDDDCC">
<input type="submit" name="versions" value="$lt{'cv'}" />$help{'Check_Resource_Versions'}
$dumpbut
$exportbut
</td></tr></table>
</form>
ENDCOURSEVERIFY
$r->print(&Apache::loncommon::help_open_topic('Docs_Adding_Course_Doc',
&mt('Editing the Table of Contents for your Course')));
}
# --------------------------------------------------------- Standard documents
$r->print('<table border=2 cellspacing=4 cellpadding=4>');
if (($standard) && ($allowed) && (!$forcesupplement)) {
$r->print('<tr><td bgcolor="#BBBBBB">');
# '<h2>'.&mt('Main Course Documents').
# ($allowed?' '.$help{'Main_Course_Documents'}:'').'</h2>');
my $folder=$env{'form.folder'};
if ($folder eq '' || $folder eq 'supplemental') {
$folder='default';
$env{'form.folderpath'}='default&'.&Apache::lonnet::escape(&mt('Main Course Documents'));
}
my $postexec='';
if ($folder eq 'default') {
$r->print('<script>this.window.name="loncapaclient";</script>');
} else {
#$postexec='self.close();';
}
$hadchanges=0;
&editor($r,$coursenum,$coursedom,$folder,$allowed);
if ($hadchanges) {
&mark_hash_old()
}
&changewarning($r,$postexec);
my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
'.sequence';
my $pageseq = '/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
'.page';
$r->print(<<ENDFORM);
<table cellspacing=4 cellpadding=4><tr>
<th bgcolor="#DDDDDD">$lt{'uplm'}</th>
<th bgcolor="#DDDDDD">$lt{'impp'}</th>
<th bgcolor="#DDDDDD">$lt{'spec'}</th>
</tr>
<tr><td bgcolor="#DDDDDD">
$lt{'file'}:<br />
<form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
<input type="file" name="uploaddoc" size="40">
<br />
$lt{'title'}:<br />
<input type="text" size="50" name="comment">
$uploadtag
<input type="hidden" name="cmd" value="upload_default">
<nobr>
<input type="submit" value="$lt{'upld'}">
$help{'Uploading_From_Harddrive'}
</nobr>
</form>
</td>
<td bgcolor="#DDDDDD">
<form action="/adm/coursedocs" method="post" name="simpleeditdefault">
$lt{'pubd'}<br />
$uploadtag
<input type=button onClick="javascript:groupsearch()" value="$lt{'srch'}">
<nobr>
<input type=button onClick="javascript:groupimport();" value="$lt{'impo'}">
$help{'Importing_LON-CAPA_Resource'}
</nobr>
<p>
<hr />
$lt{'copm'}
<input type="text" size="20" name="importmap"><br />
<nobr><input type=button
onClick="javascript:openbrowser('simpleeditdefault','importmap','sequence,page','')"
value="$lt{'selm'}"> <input type="submit" name="loadmap" value="$lt{'load'}">
$help{'Load_Map'}</nobr>
</p>
</form>
ENDFORM
unless ($env{'form.pagepath'}) {
$r->print(<<ENDFORM);
<hr />
<form action="/adm/coursedocs" method="post" name="newext">
$uploadtag
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newext" type="button" onClick="javascript:makenewext('newext');"
value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
</nobr>
</form>
<form action="/adm/imsimportdocs" method="post" name="ims">
<input type="hidden" name="folder" value="$folder" />
<input name="imsimport" type="button" value="$lt{'imsf'}" onClick="javascript:makeims();" />
</nobr>
</form>
ENDFORM
}
$r->print('</td><td bgcolor="#DDDDDD">');
unless ($env{'form.pagepath'}) {
$r->print(<<ENDFORM);
<form action="/adm/coursedocs" method="post" name="newfolder">
<input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newfolder" type="button"
onClick="javascript:makenewfolder(this.form,'$folderseq');"
value="$lt{'newf'}" />$help{'Adding_Folders'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="newpage">
<input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newpage" type="button"
onClick="javascript:makenewpage(this.form,'$pageseq');"
value="$lt{'newp'}" />$help{'Adding_Pages'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="newsyl">
$uploadtag
<input type=hidden name="importdetail"
value="Syllabus=/public/$coursedom/$coursenum/syllabus">
<nobr>
<input name="newsyl" type="submit" value="$lt{'syll'}" />
$help{'Syllabus'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="newnav">
$uploadtag
<input type=hidden name="importdetail"
value="Navigate Content=/adm/navmaps">
<nobr>
<input name="newnav" type="submit" value="$lt{'navc'}" />
$help{'Navigate_Content'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="newsmppg">
$uploadtag
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newsmppg" type="button" value="$lt{'sipa'}"
onClick="javascript:makesmppage();" /> $help{'Simple Page'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="newsmpproblem">
$uploadtag
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newsmpproblem" type="button" value="$lt{'sipr'}"
onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="newexamupload">
$uploadtag
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newexamupload" type="button" value="$lt{'scuf'}"
onClick="javascript:makeexamupload();" />
$help{'Score_Upload_Form'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="newbul">
$uploadtag
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newbulletin" type="button" value="$lt{'bull'}"
onClick="javascript:makebulboard();" />
$help{'Bulletin Board'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="newaboutme">
$uploadtag
<input type=hidden name="importdetail"
value="$plainname=/adm/$udom/$uname/aboutme">
<nobr>
<input name="newaboutme" type="submit" value="$lt{'mypi'}" />
$help{'My Personal Info'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="newaboutsomeone">
$uploadtag
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newaboutsomeone" type="button" value="$lt{'abou'}"
onClick="javascript:makeabout();" />
</nobr>
ENDFORM
}
if ($env{'form.pagepath'}) {
$r->print(<<ENDBLOCK);
<form action="/adm/coursedocs" method="post" name="newsmpproblem">
$uploadtag
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newsmpproblem" type="button" value="$lt{'sipr'}"
onClick="javascript:makesmpproblem();" />$help{'Simple Problem'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="newexamupload">
$uploadtag
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newexamupload" type="button" value="$lt{'scuf'}"
onClick="javascript:makeexamupload();" />
$help{'Score_Upload_Form'}
</nobr>
ENDBLOCK
$r->print('</form>');
}
$r->print('</td></tr>'."\n".
'</table>');
$r->print('</td></tr>');
}
# ----------------------------------------------------- Supplemental documents
if (!$forcestandard) {
$r->print('<tr><td bgcolor="#BBBBBB">');
# '<h2>'.&mt('Supplemental Course Documents').
# ($allowed?' '.$help{'Supplemental'}:'').'</h2>');
my $folder=$env{'form.folder'};
unless ($folder=~/^supplemental/) {
$folder='supplemental';
}
if ($folder =~ /^supplemental$/ &&
$env{'form.folderpath'} =~ /^default\&/) {
$env{'form.folderpath'}='supplemental&'.
&Apache::lonnet::escape(&mt('Supplemental Course Documents'));
}
&editor($r,$coursenum,$coursedom,$folder,$allowed);
if ($allowed) {
my $folderseq=
'/uploaded/'.$coursedom.'/'.$coursenum.'/supplemental_'.time.
'.sequence';
$r->print(<<ENDSUPFORM);
<table cellspacing=4 cellpadding=4><tr>
<th bgcolor="#DDDDDD">$lt{'upls'}</th>
<th bgcolor="#DDDDDD">$lt{'spec'}</th>
</tr>
<tr><td bgcolor="#DDDDDD">
<form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
<input type="file" name="uploaddoc" size="40">
<br />$lt{'comment'}:<br />
<textarea cols=50 rows=4 name='comment'>
</textarea>
<br />
<input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
<input type="hidden" name="cmd" value="upload_supplemental">
<nobr>
<input type="submit" value="$lt{'upld'}">
$help{'Uploading_From_Harddrive'}
</nobr>
</form>
</td>
<td bgcolor="#DDDDDD">
<form action="/adm/coursedocs" method="post" name="supnewfolder">
<input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newfolder" type="button"
onClick="javascript:makenewfolder(this.form,'$folderseq');"
value="$lt{'newf'}" /> $help{'Adding_Folders'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="supnewext">
<input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
<input type=hidden name="importdetail" value="">
<nobr>
<input name="newext" type="button"
onClick="javascript:makenewext('supnewext');"
value="$lt{'extr'}" /> $help{'Adding_External_Resource'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="supnewsyl">
<input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
<input type=hidden name="importdetail"
value="Syllabus=/public/$coursedom/$coursenum/syllabus">
<nobr>
<input name="newsyl" type="submit" value="$lt{'syll'}" />
$help{'Syllabus'}
</nobr>
</form>
<form action="/adm/coursedocs" method="post" name="subnewaboutme">
<input type="hidden" name="folderpath" value="$env{'form.folderpath'}" />
<input type=hidden name="importdetail"
value="$plainname=/adm/$udom/$uname/aboutme">
<nobr>
<input name="newaboutme" type="submit" value="$lt{'mypi'}" />
$help{'My Personal Info'}
</nobr>
</form>
</td></tr>
</table></td></tr>
ENDSUPFORM
}
}
if ($allowed) {
$r->print('<form name="extimport"><input type="hidden" name="title"><input type="hidden" name="url"><input type="hidden" name="useform"></form>');
}
$r->print('</table>');
} else {
# -------------------------------------------------------- This is showdoc mode
$r->print("<h1>".&mt('Uploaded Document').' - '.
&Apache::lonnet::gettitle($r->uri).'</h1><p>'.
&mt('It is recommended that you use an up-to-date virus scanner before handling this file.')."</p><p><table>".
&entryline(0,&mt("Click to download or use your browser's Save Link function"),$showdoc).'</table></p>');
}
}
$r->print('</body></html>');
return OK;
}
1;
__END__
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