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Diff for /loncom/interface/lonfeedback.pm between versions 1.145 and 1.285

version 1.145, 2004/12/09 21:58:29	version 1.285, 2010/01/24 15:30:04
Line 35 use Apache::lonmsg();	Line 35 use Apache::lonmsg();
use Apache::loncommon();	use Apache::loncommon();
use Apache::lontexconvert();	use Apache::lontexconvert();
use Apache::lonlocal; # must not have ()	use Apache::lonlocal; # must not have ()
	use Apache::lonnet;
use Apache::lonhtmlcommon();	use Apache::lonhtmlcommon();
use Apache::lonnavmaps;	use Apache::lonnavmaps;
use Apache::lonenc();	use Apache::lonenc();
	use Apache::lonrss();
use HTML::LCParser();	use HTML::LCParser();
	#use HTML::Tidy::libXML;
use Apache::lonspeller();	use Apache::lonspeller();
	use Apache::longroup;
use Cwd;	use Cwd;
	use LONCAPA;

sub discussion_open {	sub discussion_open {
my ($status,$symb)=@_;	my ($status,$symb)=@_;
	if ($env{'request.role.adv'}) { return 1; }
if (defined($status) &&	if (defined($status) &&
!($status eq 'CAN_ANSWER' \|\| $status eq 'CANNOT_ANSWER'	!($status eq 'CAN_ANSWER' \|\| $status eq 'CANNOT_ANSWER'
\|\| $status eq 'OPEN')) {	\|\| $status eq 'OPEN')) {
Line 61 sub discussion_visible {	Line 67 sub discussion_visible {
if (not &discussion_open($status)) {	if (not &discussion_open($status)) {
my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');	my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {	if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
if (!$ENV{'request.role.adv'}) { return 0; }	if (!$env{'request.role.adv'}) { return 0; }
}	}
}	}
return 1;	return 1;
}	}

sub list_discussion {	sub list_discussion {
my ($mode,$status,$ressymb)=@_;	my ($mode,$status,$ressymb,$imsextras,$group)=@_;
my $outputtarget=$ENV{'form.grade_target'};	unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
if (defined($ENV{'form.export'})) {	unless ($ressymb) { return ''; }
if($ENV{'form.export'}) {	$ressymb=&wrap_symb($ressymb);
	my $outputtarget=$env{'form.grade_target'};
	if (defined($env{'form.export'})) {
	if($env{'form.export'}) {
	$outputtarget = 'export';
	}
	}
	if (defined($imsextras)) {
	if ($$imsextras{'caller'} eq 'imsexport') {
$outputtarget = 'export';	$outputtarget = 'export';
}	}
}	}
if (not &discussion_visible($status)) { return ''; }	if (not &discussion_visible($status)) {
my @bgcols = ("#cccccc","#eeeeee");	if ($mode ne 'board') {
	&Apache::lonenc::check_encrypt(\$ressymb);
	return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
	}
	}
	if ($group ne '' && $mode eq 'board') {
	if (&check_group_priv($group,'vgb') ne 'ok') {
	return '';
	}
	}

	my ($blocked,$blocktext) =
	&Apache::loncommon::blocking_status('boards');
	if ($blocked) {
	$blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
	&Apache::lonenc::check_encrypt(\$ressymb);
	if ($mode ne 'board') {
	$blocktext.=&send_message_link($ressymb).'</div>';
	}else{
	$blocktext.="</div>";
	}
	return $blocktext;
	}

	my @bgcols = ("LC_disc_old_item","LC_disc_new_item");
my $discussiononly=0;	my $discussiononly=0;
if ($mode eq 'board') { $discussiononly=1; }	if ($mode eq 'board') { $discussiononly=1; }
unless ($ENV{'request.course.id'}) { return ''; }	unless ($env{'request.course.id'}) { return ''; }
my $crs='/'.$ENV{'request.course.id'};	my $crs='/'.$env{'request.course.id'};
my $cid=$ENV{'request.course.id'};	my $cid=$env{'request.course.id'};
if ($ENV{'request.course.sec'}) {	if ($env{'request.course.sec'}) {
$crs.='_'.$ENV{'request.course.sec'};	$crs.='_'.$env{'request.course.sec'};
}	}
$crs=~s/\_/\//g;	$crs=~s/\_/\//g;
unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
unless ($ressymb) { return ''; }
$ressymb=&wrap_symb($ressymb);
my $encsymb=&Apache::lonenc::check_encrypt($ressymb);	my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)	my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
&& ($ressymb=~/\.(problem\|exam\|quiz\|assess\|survey\|form)$/));	&& ($ressymb=~/\.(problem\|exam\|quiz\|assess\|survey\|form\|task)$/));

my %usernamesort = ();	my %usernamesort = ();
my %namesort =();	my %namesort =();
Line 107 sub list_discussion {	Line 142 sub list_discussion {
my $toggkey = $ressymb.'_readtoggle';	my $toggkey = $ressymb.'_readtoggle';
my $readkey = $ressymb.'_read';	my $readkey = $ressymb.'_read';
$ressymb=$encsymb;	$ressymb=$encsymb;
my %dischash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$ENV{'user.domain'},$ENV{'user.name'});	my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'});
my %discinfo = ();	my %discinfo = ();
my $showonlyunread = 0;	my $showonlyunread = 0;
my $showunmark = 0;	my $showunmark = 0;
Line 116 sub list_discussion {	Line 151 sub list_discussion {
my $previous = 0;	my $previous = 0;
my $visit = 0;	my $visit = 0;
my $newpostsflag = 0;	my $newpostsflag = 0;
my @posters = split/\&/,$dischash{$userpickkey};	my @posters = split(/\&/,$dischash{$userpickkey});

# Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.	# Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts.
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']);	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']);
my $sortposts = $ENV{'form.sortposts'};	my $sortposts = $env{'form.sortposts'};
my $statusfilter = $ENV{'form.statusfilter'};	my $statusfilter = $env{'form.statusfilter'};
my @sectionpick = ();	my @sectionpick = split(/,/,$env{'form.sectionpick'});
if ($ENV{'form.sectionpick'} =~ /,/) {	my @grouppick = split(/,/,$env{'form.grouppick'});
@sectionpick = split/,/,$ENV{'form.sectionpick'};	my @rolefilter = split(/,/,$env{'form.rolefilter'});
} else {
$sectionpick[0] = $ENV{'form.sectionpick'};	my $totposters = $env{'form.totposters'};
}	$previous = $env{'form.previous'};
my @rolefilter = ();
if ($ENV{'form.rolefilter'} =~ /,/) {
@rolefilter = split/,/,$ENV{'form.rolefilter'};
} else {
$rolefilter[0] = $ENV{'form.rolefilter'};
}
my $totposters = $ENV{'form.totposters'};
$previous = $ENV{'form.previous'};
if ($previous > 0) {	if ($previous > 0) {
$prevread = $previous;	$prevread = $previous;
} elsif (defined($dischash{$lastkey})) {	} elsif (defined($dischash{$lastkey})) {
Line 144 sub list_discussion {	Line 171 sub list_discussion {
}	}
}	}

	my $cdom = $env{'course.'.$cid.'.domain'};
	my $cnum = $env{'course.'.$cid.'.num'};
	my $crstype = &Apache::loncommon::course_type();

# Get information about students and non-students in course for filtering display of posts	# Get information about students and non-students in course for filtering display of posts
my %roleshash = ();	my %roleshash = ();
my %roleinfo = ();	my %roleinfo = ();
if ($ENV{'form.rolefilter'}) {	my ($classgroups,$studentgroups);
%roleshash = &Apache::lonnet::dump('nohist_userroles',$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	if ($env{'form.rolefilter'}) {
foreach (keys %roleshash) {	%roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
my ($role,$uname,$udom,$sec) = split/:/,$_;	foreach my $rolekey (keys(%roleshash)) {
	my ($role,$uname,$udom,$sec) = split(/:/,$rolekey);
if ($role =~ /^cr/) {	if ($role =~ /^cr/) {
$role = 'cr';	$role = 'cr';
}	}
my ($end,$start) = split/:/,$roleshash{$_};	my ($end,$start) = split(/:/,$roleshash{$rolekey});
my $now = time;	my $now = time;
my $status = 'Active';	my $status = 'Active';
if (($now < $start) \|\| ($end > 0 && $now > $end)) {	if (($now < $start) \|\| ($end > 0 && $now > $end)) {
$status = 'Expired';	$status = 'Expired';
}	}
if ($uname && $udom) {	if ($uname && $udom) {
push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status;	push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status);
}	}
}	}
my ($classlist) = &Apache::loncoursedata::get_classlist(	my ($classlist,$keylist) =
$ENV{'request.course.id'},	&Apache::loncoursedata::get_classlist($cdom,$cnum);
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
my $sec_index = &Apache::loncoursedata::CL_SECTION();	my $sec_index = &Apache::loncoursedata::CL_SECTION();
my $status_index = &Apache::loncoursedata::CL_STATUS();	my $status_index = &Apache::loncoursedata::CL_STATUS();
while (my ($student,$data) = each %$classlist) {	while (my ($student,$data) = each %$classlist) {
my ($section,$status) = ($data->[$sec_index],	my ($section,$status) = ($data->[$sec_index],
$data->[$status_index]);	$data->[$status_index]);
push @{$roleinfo{$student}}, 'st:'.$section.':'.$status;	push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status);
}	}
	($classgroups,$studentgroups) =
	&Apache::loncoursedata::get_group_memberships($classlist,$keylist,
	$cdom,$cnum);
}	}

# Get discussion display default settings for user	# Get discussion display default settings for user
if ($ENV{'environment.discdisplay'} eq 'unread') {	if ($env{'environment.discdisplay'} eq 'unread') {
$showonlyunread = 1;	$showonlyunread = 1;
}	}
if ($ENV{'environment.discmarkread'} eq 'ondisp') {	if ($env{'environment.discmarkread'} eq 'ondisp') {
$markondisp = 1;	$markondisp = 1;
}	}

Line 214 sub list_discussion {	Line 247 sub list_discussion {
}	}
$visit ++;	$visit ++;

my $seeid=&Apache::lonnet::allowed('rin',$crs);	my $seeid;
	if (($group ne '') && ($mode eq 'board') &&
	($ressymb =~ m\|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$\|)) {
	if (&check_group_priv($group,'dgp') eq 'ok') {
	$seeid = 1;
	}
	} else {
	$seeid=&Apache::lonnet::allowed('rin',$crs);
	}
my @discussionitems=();	my @discussionitems=();
my %shown = ();	my %shown = ();
my @posteridentity=();	my @posteridentity=();
Line 229 sub list_discussion {	Line 270 sub list_discussion {
my %notshown = ();	my %notshown = ();
my %newitem = ();	my %newitem = ();
my $maxdepth=0;	my $maxdepth=0;
	my %anonhash=();
	my $anoncnt=0;
my $target='';	my $target='';
unless ($ENV{'browser.interface'} eq 'textual' \|\|	unless ($env{'browser.interface'} eq 'textual' \|\|
$ENV{'environment.remote'} eq 'off' ) {	$env{'environment.remote'} eq 'off' ) {
$target='target="LONcom"';	$target='target="LONcom"';
}	}

my $now = time;	my $now = time;
$discinfo{$visitkey} = $visit;	$discinfo{$visitkey} = $visit;

&Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});	&Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'});
&build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,$statusfilter,$toggkey,$outputtarget);	&build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);

my $discussion='';	my $discussion='';
my $manifestfile;	my $manifestfile;
Line 251 sub list_discussion {	Line 293 sub list_discussion {

my $function = &Apache::loncommon::get_users_function();	my $function = &Apache::loncommon::get_users_function();
my $color = &Apache::loncommon::designparm($function.'.tabbg',	my $color = &Apache::loncommon::designparm($function.'.tabbg',
$ENV{'user.domain'});	$env{'user.domain'});
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'cuse' => 'Current discussion settings',	'cuse' => 'Current discussion settings',
'allposts' => 'All posts',	'allposts' => 'All posts',
Line 268 sub list_discussion {	Line 310 sub list_discussion {
'disp' => 'Display',	'disp' => 'Display',
'nolo' => 'Not new',	'nolo' => 'Not new',
'togg' => 'Toggle read/unread',	'togg' => 'Toggle read/unread',
	'aner' => 'An error occurred opening the manifest file.',
	'difo' => 'Discussion for',
	'aerr' => 'An error occurred opening the export file for posting',
	'aysu' => 'Are you sure you want to delete this post?',
	'dpwn' => 'Deleted posts will no longer be visible to you and other students',
	'bwco' => 'but will continue to be visible to your instructor',
	'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
);	);

my $currdisp = $lt{'allposts'};	my $currdisp = $lt{'allposts'};
Line 308 sub list_discussion {	Line 357 sub list_discussion {
$togglink = 'toggoff';	$togglink = 'toggoff';
}	}

$chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;	$chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink;

if ($newpostsflag) {	if ($newpostsflag) {
$chglink .= '&previous='.$prevread;	$chglink .= '&previous='.$prevread;
}	}
	$chglink.=&group_args($group);

if ($visible) {	if ($visible) {
# Print the discusssion	# Print the discusssion
if ($outputtarget eq 'tex') {	if ($outputtarget eq 'tex') {
$discussion.='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.	$discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
'\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.	'\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
'\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.	'\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
'\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.	'\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
'\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}</tex>';	'\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>';
} elsif ($outputtarget eq 'export') {	} elsif ($outputtarget eq 'export') {
# Create temporary directory if this is an export	# Create temporary directory if this is an export
my $now = time;	my $now = time;
$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';	if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
if (!-e $tempexport) {	$tempexport = $$imsextras{'tempexport'};
mkdir($tempexport,0700);	if (!-e $tempexport) {
}	mkdir($tempexport,0700);
$tempexport .= '/'.$now;	}
if (!-e $tempexport) {	$tempexport .= '/'.$$imsextras{'count'};
mkdir($tempexport,0700);	if (!-e $tempexport) {
	mkdir($tempexport,0700);
	}
	} else {
	$tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports';
	if (!-e $tempexport) {
	mkdir($tempexport,0700);
	}
	$tempexport .= '/'.$now;
	if (!-e $tempexport) {
	mkdir($tempexport,0700);
	}
	$tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'};
}	}
$tempexport .= '/'.$ENV{'user.domain'}.'_'.$ENV{'user.name'};
if (!-e $tempexport) {	if (!-e $tempexport) {
mkdir($tempexport,0700);	mkdir($tempexport,0700);
}	}
Line 342 sub list_discussion {	Line 403 sub list_discussion {
my $manifestfilename = $tempexport.$manifest;	my $manifestfilename = $tempexport.$manifest;
if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {	if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
$manifestok=1;	$manifestok=1;
print $manifestfile qq\|	print $manifestfile qq\|<?xml version="1.0" encoding="UTF-8"?>
<?xml version="1.0" encoding="UTF-8"?>
<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"	<manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1	identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1
imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">	imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd">
<organizations default="$ressymb">	<organizations default="$ressymb">
<organization identifier="$ressymb">	<organization identifier="$ressymb">
<title>Discussion for $ressymb</title>\n\|;	<title>$lt{'difo'} $ressymb</title>\n\|;
} else {	} else {
$discussion .= 'An error occurred opening the manifest file.<br />';	$discussion .= $lt{'aner'}.'<br />';
}	}
} else {	} else {
my $colspan=$maxdepth+1;	my $colspan=$maxdepth+1;
$discussion.= qq\|	#JW
<script>	$discussion.= &Apache::lonhtmlcommon::scripttag(qq\|
function studentdelete (symb,idx,newflag,previous) {	function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
var symbparm = symb+':::'+idx	var symbparm = symb+':::'+idx
var prevparm = ""	var prevparm = ""
if (newflag == 1) {	if (newflag == 1) {
prevparm = "&previous="+previous	prevparm = "&previous="+previous
	}
	if (caller == 'studentdelete') {
	if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
	document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm
	}
	} else {
	if (caller == 'seeiddelete') {
	if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) {
	document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm
	}
	}
}	}
if (confirm("Are you sure you want to delete this post?\\nDeleted posts will no longer be visible to you and other students,\\nbut will continue to be visible to your instructor")) {
document.location.href = "/adm/feedback?hide="+symbparm+prevparm
}
}	}
</script>	\|);
\|;	$discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'.
$discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">';	"\n".'<table class="LC_discussion">';
$discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.	$discussion .= &action_links_bar($colspan,$ressymb,$visible,
'<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';	$newpostsflag,$group,
if ($visible>2) {	$prevread,$markondisp);
$discussion.='<td align="left">'.	my $escsymb=&escape($ressymb);
'<a href="/adm/feedback?cmd=threadedon&symb='.$ressymb;	my $numhidden = keys(%notshown);
if ($newpostsflag) {
$discussion .= '&previous='.$prevread;
}
$discussion .='">'.&mt('Threaded View').'</a>  '.
'<a href="/adm/feedback?cmd=threadedoff&symb='.$ressymb;
if ($newpostsflag) {
$discussion .= '&previous='.$prevread;
}
$discussion .='">'.&mt('Chronological View').'</a>
<a href= "/adm/feedback?cmd=sortfilter&symb='.$ressymb;
if ($newpostsflag) {
$discussion .= '&previous='.$prevread;
}
$discussion .='">'.&mt('Sorting/Filtering options').'</a> &nbsp';
} else {
$discussion .= '<td align="left">';
}
$discussion .='<a href= "/adm/feedback?export='.$ressymb;
if ($newpostsflag) {
$discussion .= '&previous='.$prevread;
}
$discussion .= '">'.&mt('Export').'?</a>  </td>';
if ($newpostsflag) {
if (!$markondisp) {
$discussion .='<td align="right"><a href="/adm/feedback?markread=1&symb='.$ressymb.'">'.&mt('Mark NEW posts no longer new').'</a>  ';
} else {
$discussion .= '<td> </td>';
}
} else {
$discussion .= '<td> </td>';
}
$discussion .= '</tr></table></td></tr>';

my $numhidden = keys %notshown;
if ($numhidden > 0) {	if ($numhidden > 0) {
my $colspan = $maxdepth+1;	my $colspan = $maxdepth+1;
$discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.	$discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
'<a href="/adm/feedback?allposts=1&symb='.$ressymb;	'<a href="/adm/feedback?allposts=1&symb='.$escsymb;
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .= '&previous='.$prevread;	$discussion .= '&previous='.$prevread;
}	}
	$discussion .= &group_args($group);
$discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.	$discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
$numhidden.' ';	$numhidden.' ';
if ($showunmark) {	if ($showunmark) {
Line 431 imscp_v1p1.xsd http://www.imsglobal.org/	Line 466 imscp_v1p1.xsd http://www.imsglobal.org/
# Choose sort mechanism	# Choose sort mechanism
my @showposts = ();	my @showposts = ();
if ($sortposts eq 'descdate') {	if ($sortposts eq 'descdate') {
@showposts = (sort { $b <=> $a } keys %alldiscussion);	@showposts = (sort { $b <=> $a } keys(%alldiscussion));
} elsif ($sortposts eq 'thread') {	} elsif ($sortposts eq 'thread') {
@showposts = (sort { $a <=> $b } keys %alldiscussion);	@showposts = (sort { $a <=> $b } keys(%alldiscussion));
} elsif ($sortposts eq 'subject') {	} elsif ($sortposts eq 'subject') {
foreach (sort keys %subjectsort) {	foreach my $key (sort(keys(%subjectsort))) {
push @showposts, @{$subjectsort{$_}};	push(@showposts, @{$subjectsort{$key}});
}	}
} elsif ($sortposts eq 'username') {	} elsif ($sortposts eq 'username') {
foreach my $domain (sort keys %usernamesort) {	foreach my $domain (sort(keys(%usernamesort))) {
foreach (sort keys %{$usernamesort{$domain}}) {	foreach my $key (sort(keys(%{$usernamesort{$domain}}))) {
push @showposts, @{$usernamesort{$domain}{$_}};	push(@showposts, @{$usernamesort{$domain}{$key}});
}	}
}	}
} elsif ($sortposts eq 'lastfirst') {	} elsif ($sortposts eq 'lastfirst') {
foreach my $last (sort keys %namesort) {	foreach my $last (sort(keys(%namesort))) {
foreach (sort keys %{$namesort{$last}}) {	foreach my $key (sort(keys(%{$namesort{$last}}))) {
push @showposts, @{$namesort{$last}{$_}};	push(@showposts, @{$namesort{$last}{$key}});
}	}
}	}
} else {	} else {
@showposts = (sort { $a <=> $b } keys %alldiscussion);	@showposts = (sort { $a <=> $b } keys(%alldiscussion));
}	}
my $currdepth = 0;	my $currdepth = 0;
my $firstidx = $alldiscussion{$showposts[0]};	my $firstidx = $alldiscussion{$showposts[0]};
foreach (@showposts) {	foreach my $post (@showposts) {
unless (($sortposts eq 'thread') \|\| (($sortposts eq '') && ($ENV{'environment.threadeddiscussion'})) \|\| ($outputtarget eq 'export')) {	unless (($sortposts eq 'thread') \|\| (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) \|\| ($outputtarget eq 'export')) {
$alldiscussion{$_} = $_;	$alldiscussion{$post} = $post;
}	}
unless ( ($notshown{$alldiscussion{$_}} eq '1') \|\| ($shown{$alldiscussion{$_}} == 0) ) {	unless ( ($notshown{$alldiscussion{$post}} eq '1') \|\| ($shown{$alldiscussion{$post}} == 0) ) {
if ($outputtarget ne 'tex' && $outputtarget ne 'export') {	if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
$discussion.="\n<tr>";	$discussion.="\n<tr>";
}	}
my $thisdepth=$depth[$alldiscussion{$_}];	my $thisdepth=$depth[$alldiscussion{$post}];
if ($outputtarget ne 'tex' && $outputtarget ne 'export') {	if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
for (1..$thisdepth) {	for (1..$thisdepth) {
$discussion.='<td>   </td>';	$discussion.='<td>   </td>';
Line 472 imscp_v1p1.xsd http://www.imsglobal.org/	Line 507 imscp_v1p1.xsd http://www.imsglobal.org/
my $colspan=$maxdepth-$thisdepth+1;	my $colspan=$maxdepth-$thisdepth+1;
if ($outputtarget eq 'tex') {	if ($outputtarget eq 'tex') {
#cleanup block	#cleanup block
$discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;	$discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/;
$discussionitems[$alldiscussion{$_}]=~s/<tr([^>])><td([^>])>/<tr><td TeXwidth="20 mm" align="left">/;	$discussionitems[$alldiscussion{$post}]=~s/<tr([^>])><td([^>])>/<tr><td TeXwidth="20 mm" align="left">/;
my $threadinsert='';	my $threadinsert='';
if ($thisdepth > 0) {	if ($thisdepth > 0) {
$threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';	$threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
}	}
$discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;	$discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
$discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit\|Hide\|Delete\|Reply\|Submissions)<\/a>//g;	$discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit\|Hide\|Delete\|Reply\|Submissions)<\/a>//g;
$discussionitems[$alldiscussion{$_}]=~s/(<b>\|<\/b>\|<\/a>\|<a([^>]+)>)//g;	$discussionitems[$alldiscussion{$post}]=~s/(<b>\|<\/b>\|<\/a>\|<a([^>]+)>)//g;

$discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}];	$discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
$discussion.=$discussionitems[$alldiscussion{$_}];	$discussion.=$discussionitems[$alldiscussion{$post}];
} elsif ($outputtarget eq 'export') {	} elsif ($outputtarget eq 'export') {
my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html';	my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html';
if ($manifestok) {	if ($manifestok) {
if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) {	if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) {
print $manifestfile ' </item>'."\n";	print $manifestfile ' </item>'."\n";
}	}
$currdepth = $depth[$alldiscussion{$_}];	$currdepth = $depth[$alldiscussion{$post}];
print $manifestfile "\n".	print $manifestfile "\n".
'<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'.	'<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
$imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'.	$imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
'<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>';	'<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
$imsresources .= "\n".	$imsresources .= "\n".
'<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'.	'<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
'<file href="'.$alldiscussion{$_}.'.html">'."\n".	'<file href="'.$postfilename.'">'."\n".
$imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n".	$imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
'</resource>';	'</resource>';
}	}
my $postingfile;	my $postingfile;
my $postingfilename = $tempexport.'/'.$postfilename;	my $postingfilename = $tempexport.'/'.$postfilename;
if ($postingfile = Apache::File->new('>'.$postingfilename)) {	if ($postingfile = Apache::File->new('>'.$postingfilename)) {
print $postingfile '<html><head><title>Discussion Post</title></head><body>'.	print $postingfile '<html><head><title>Discussion Post</title></head><body>'.
$imsitems{$alldiscussion{$_}}{'title'}.' '.	$imsitems{$alldiscussion{$post}}{'title'}.' '.
$imsitems{$alldiscussion{$_}}{'sender'}.	$imsitems{$alldiscussion{$post}}{'sender'}.
$imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'.	$imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'.
$imsitems{$alldiscussion{$_}}{'message'}.'<br />'.	$imsitems{$alldiscussion{$post}}{'message'}.'<br />'.
$imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n";	$imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n";
close($postingfile);	close($postingfile);
} else {	} else {
$discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />';	$discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />';
}	}
$copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport);	$copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
} else {	} else {
$discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}].	$discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
'" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}].	'" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
'</td></tr>';	'</td></tr>';
}	}
}	}
Line 526 imscp_v1p1.xsd http://www.imsglobal.org/	Line 561 imscp_v1p1.xsd http://www.imsglobal.org/
my $colspan=$maxdepth+1;	my $colspan=$maxdepth+1;
$discussion .= <<END;	$discussion .= <<END;
<tr bgcolor="#FFFFFF">	<tr bgcolor="#FFFFFF">
<td colspan="$colspan" valign="top">	<td colspan="$colspan" class="LC_disc_action_links_bar">
<table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">	<table class="LC_disc_action_table">
<tr>	<tr>
<td align="left">	<td align="left">
<table border="0" cellpadding="0" cellspacing="4">	<table border="0" cellpadding="0" cellspacing="4">
<tr>	<tr>
<td>	<td>
<font size="-1"><b>$lt{'cuse'}</b>:</td>	<font size="-1"><b>$lt{'cuse'}</b>:</font></td>
<td> </td>	<td> </td>
<td><font size="-1">	<td><font size="-1">
END	END
Line 555 END	Line 590 END
</font></td>	</font></td>
<td> </td>	<td> </td>
<td align="left">	<td align="left">
<font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>	<font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font>
</td>	</td>
</tr>	</tr>
</table>	</table>
Line 565 END	Line 600 END
my %sort_types = ();	my %sort_types = ();
my %role_types = ();	my %role_types = ();
my %status_types = ();	my %status_types = ();
&sort_filter_names(\%sort_types,\%role_types,\%status_types);	&sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);

$discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';	$discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';
if (defined($ENV{'form.totposters'})) {	if (defined($env{'form.totposters'})) {
$discussion .= &mt('Posts by').':';	$discussion .= &mt('Posts by').':';
if ($totposters > 0) {	if ($totposters > 0) {
foreach my $poster (@posters) {	foreach my $poster (@posters) {
$poster =~ s/:/\@/;
$discussion .= ' '.$poster.',';	$discussion .= ' '.$poster.',';
}	}
$discussion =~ s/,$//;	$discussion =~ s/,$//;
Line 582 END	Line 616 END
} else {	} else {
my $filterchoice ='';	my $filterchoice ='';
if (@sectionpick > 0) {	if (@sectionpick > 0) {
$filterchoice = '<i>'.&mt('sections').'</i>- '.$ENV{'form.sectionpick'};	$filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'};
	$filterchoice .= '    ';
	}
	if (@grouppick > 0) {
	$filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'};
$filterchoice .= '    ';	$filterchoice .= '    ';
}	}
if (@rolefilter > 0) {	if (@rolefilter > 0) {
$filterchoice .= '<i>'.&mt('roles').'</i>-';	$filterchoice .= '<i>'.&mt('roles').'</i>-';
foreach (@rolefilter) {	foreach my $role (@rolefilter) {
$filterchoice .= ' '.$role_types{$_}.',';	$filterchoice .= ' '.$role_types{$role}.',';
}	}
$filterchoice =~ s/,$//;	$filterchoice =~ s/,$//;
$filterchoice .= '<br /> &nbsp    &nbsp ';	$filterchoice .= '<br />'.(' ' x8);
}	}
if ($statusfilter) {	if ($statusfilter) {
$filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};	$filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter};
Line 603 END	Line 641 END
}	}
}	}
if ($dischash{$toggkey}) {	if ($dischash{$toggkey}) {
my $storebutton = &mt('Store read/unread changes');	my $storebutton = &mt('Save read/unread changes');
$discussion.='<td align="right">'.	$discussion.='<td align="right">'.
'<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n".	'<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n".
'<input type="button" name="readoptions" value="'.$storebutton.'"'.	'<input type="button" name="readoptions" value="'.$storebutton.'"'.
' onClick="this.form.submit();">'."\n".	' onclick="this.form.submit();" />'."\n".
'</td>';	'</td>';
}	}
$discussion .= (<<END);	$discussion .= (<<END);
Line 615 END	Line 653 END
</table>	</table>
</td>	</td>
</tr>	</tr>
</table>
<br /><br /></form>
END	END
	$discussion .= &action_links_bar($colspan,$ressymb,$visible,
	$newpostsflag,$group,
	$prevread,$markondisp);
	$discussion .= "
	</table>
	<br /><br /></form>\n";
}	}
if ($outputtarget eq 'export') {	if ($outputtarget eq 'export') {
if ($manifestok) {	if ($manifestok) {
Line 634 END	Line 676 END
</manifest>	</manifest>
\|;	\|;
close($manifestfile);	close($manifestfile);
	if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) {
	$discussion = $copyresult;
	} else {

#Create zip file in prtspool	#Create zip file in prtspool

my $imszipfile = '/prtspool/'.	my $imszipfile = '/prtspool/'.
$ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.	$env{'user.name'}.'_'.$env{'user.domain'}.'_'.
time.'_'.rand(1000000000).'.zip';	time.'_'.rand(1000000000).'.zip';
# zip can cause an sh launch which can pass along all of %ENV	my $cwd = &getcwd();
# which can be too large for /bin/sh to handle	my $imszip = '/home/httpd/'.$imszipfile;
my %oldENV=%ENV;	chdir $tempexport;
undef(%ENV);	open(OUTPUT, "zip -r $imszip * 2> /dev/null \|");
my $cwd = &getcwd();	close(OUTPUT);
my $imszip = '/home/httpd/'.$imszipfile;	chdir $cwd;
chdir $tempexport;	$discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />';
open(OUTPUT, "zip -r $imszip * 2> /dev/null \|");	if ($copyresult) {
close(OUTPUT);	$discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult;
chdir $cwd;	}
%ENV=%oldENV;
undef(%oldENV);
$discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />';
if ($copyresult) {
$discussion .= 'The following errors occurred during export - <br />'.$copyresult;
}	}
} else {	} else {
$discussion .= '<br />Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.<br />';	$discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />';
}	}
return $discussion;	return $discussion;
}	}
Line 665 END	Line 705 END
if ($discussiononly) {	if ($discussiononly) {
my $now = time;	my $now = time;
my $attachnum = 0;	my $attachnum = 0;
my $newattachmsg = '';	my $currnewattach = [];
my @currnewattach = ();	my $currdelold = [];
my @currdelold = ();
my $comment = '';	my $comment = '';
my $subject = '';	my $subject = '';
if ($ENV{'form.origpage'}) {	if ($env{'form.origpage'}) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']);
$subject = &Apache::lonnet::unescape($ENV{'form.subject'});	$subject = &unescape($env{'form.subject'});
$comment = &Apache::lonnet::unescape($ENV{'form.comment'});	$comment = &unescape($env{'form.comment'});
my @keepold = ();	my @keepold = ();
&process_attachments(\@currnewattach,\@currdelold,\@keepold);	&process_attachments($currnewattach,$currdelold,\@keepold);
if (@currnewattach > 0) {	if (@{$currnewattach} > 0) {
$attachnum += @currnewattach;	$attachnum += @{$currnewattach};
}	}
}	}
if (&discussion_open($status)) {	if (&discussion_open($status)) {
$discussion.=(<<ENDDISCUSS);	if (($group ne '') && ($mode eq 'board')) {
<form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data">	if (&check_group_priv($group,'pgd') eq 'ok') {
<input type="submit" name="discuss" value="Post Discussion" />	$discussion .=
<input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />	&postingform_display($mode,$ressymb,$now,$subject,
<input type="hidden" name="symb" value="$ressymb" />	$comment,$outputtarget,$attachnum,
<input type="hidden" name="sendit" value="true" />	$currnewattach,$currdelold,
<input type="hidden" name="timestamp" value="$now" />	$group,$crstype);
<br /><a name="newpost"></a>
<font size="1">Note: in anonymous discussion, your name is visible only
to course faculty</font><br />
<b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
<textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>
ENDDISCUSS
if ($ENV{'form.origpage'}) {
$discussion.='<input type="hidden" name="origpage" value="'.$ENV{'form.origpage'}.'" />'."\n";
foreach (@currnewattach) {
$discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";
}
}
$discussion.="</form>\n";
if ($outputtarget ne 'tex') {
$discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode);
if (@currnewattach > 0) {
$newattachmsg .= '<b>New attachments</b><br />';
if (@currnewattach > 1) {
$newattachmsg .= '<ol>';
foreach my $item (@currnewattach) {
$item =~ m#.*/([^/]+)$#;
$newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
}
$newattachmsg .= '</ol>'."\n";
} else {
$currnewattach[0] =~ m#.*/([^/]+)$#;
$newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n";
}
}	}
$discussion.=$newattachmsg;	} else {
$discussion.=&generate_preview_button();	$discussion.=
}	&postingform_display($mode,$ressymb,$now,$subject,
	$comment,$outputtarget,$attachnum,
	$currnewattach,$currdelold,'',$crstype);
	}
}	}
} else {	} else {
	$discussion.='<div class="LC_feedback_link">';
if (&discussion_open($status) &&	if (&discussion_open($status) &&
&Apache::lonnet::allowed('pch',	&Apache::lonnet::allowed('pch',
$ENV{'request.course.id'}.	$env{'request.course.id'}.
($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {	($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
if ($outputtarget ne 'tex') {	if ($outputtarget ne 'tex') {
$discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='.	$discussion.= &send_feedback_link($ressymb,$target);
$ressymb.':::" '.$target.'>'.	}
'<img src="/adm/lonMisc/chat.gif" border="0" />'.
&mt('Post Discussion').'</a></td></tr></table>';
}
}	}
	if ($outputtarget ne 'tex') {
	$discussion.= &send_message_link($ressymb);
	}
	$discussion.='</div>';
}	}
return $discussion;	return $discussion;
}	}

	sub send_feedback_link {
	my ($ressymb,$target) = @_;
	my $output = '<span class="LC_feedback_link">'.
	' <a href="/adm/feedback?replydisc='.
	&escape($ressymb).':::" '.$target.'>'.
	'<img alt="" class="LC_noBorder" src="'.
	&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').
	'" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>';
	return $output;
	}

	sub send_message_link {
	my ($ressymb) = @_;
	my $output = '<span class="LC_message_link">'.
	' <a href="/adm/feedback?sendmessageonly=1&symb='.
	&escape($ressymb).'"><img alt="" class="LC_noBorder" src="'.
	&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').
	'" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>';
	return $output;
	}

	sub action_links_bar {
	my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
	my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'.
	'<table width="100%" class="LC_disc_action_table"><tr>'.
	'<td class="LC_disc_action_left">';
	my $escsymb=&escape($ressymb);
	if ($visible>2) {
	$discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
	if ($newpostsflag) {
	$discussion .= '&previous='.$prevread;
	}
	$discussion .= &group_args($group);
	$discussion .='">'.&mt('Threaded View').'</a>  '.
	'<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
	if ($newpostsflag) {
	$discussion .= '&previous='.$prevread;
	}
	$discussion .= &group_args($group);
	$discussion .='">'.&mt('Chronological View').'</a>
	<a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb;
	if ($newpostsflag) {
	$discussion .= '&previous='.$prevread;
	}
	$discussion .= &group_args($group);
	$discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2);
	}
	$discussion .='<a href="/adm/feedback?export='.$escsymb;
	if ($newpostsflag) {
	$discussion .= '&previous='.$prevread;
	}
	$discussion .= &group_args($group);
	$discussion .= '">'.&mt('Export').'?</a>  </td>';
	if ($newpostsflag) {
	if (!$markondisp) {
	$discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
	$discussion .= &group_args($group);
	$discussion .= '">'.
	&mt('Preferences on what is marked as NEW').
	'</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
	$discussion .= &group_args($group);
	$discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
	} else {
	$discussion .= '<td> </td>';
	}
	} else {
	$discussion .= '<td> </td>';
	}
	$discussion .= '</tr></table></td></tr>';
	return $discussion;
	}

	sub postingform_display {
	my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
	$currnewattach,$currdelold,$group,$crstype) = @_;
	my $newattachmsg;
	my %lt = &Apache::lonlocal::texthash(
	'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
	'title' => 'Title',
	'podi' => 'Post Discussion',
	'poan' => 'Post Anonymous Discussion',
	'newa' => 'New attachments',
	);
	if ($crstype eq 'Community') {
	$lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
	}
	my $postingform = (<<ENDDISCUSS);
	<form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />
	<input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
	<input type="hidden" name="sendit" value="true" />
	<input type="hidden" name="timestamp" value="$now" />
	<br /><a name="newpost"></a>
	<font size="1">$lt{'note'}</font><br />
	<b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />
	<textarea name="comment" cols="80" rows="14" >$comment</textarea>
	ENDDISCUSS
	if ($env{'form.origpage'}) {
	$postingform .= '<input type="hidden" name="origpage" value="'.
	$env{'form.origpage'}.'" />'."\n";
	foreach my $att (@{$currnewattach}) {
	$postingform .= '<input type="hidden" name="currnewattach" '.
	'value="'.$att.'" />'."\n";
	}
	}
	if (exists($env{'form.ref'})) {
	$postingform .= '<input type="hidden" name="ref" value="'.
	$env{'form.ref'}.'" />';
	}
	if ($group ne '') {
	$postingform .='<input type="hidden" name="group" value="'.$group.'" />';
	}
	my $blockblog = &Apache::loncommon::blocking_status('blogs');
	if (!$blockblog) {
	$postingform .= &add_blog_checkbox($crstype);
	}
	$postingform .= "</form>\n";
	if ($outputtarget ne 'tex') {
	$postingform .= &generate_attachments_button('',$attachnum,$ressymb,
	$now,$currnewattach,
	$currdelold,'',$mode,
	$blockblog);
	if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
	$newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
	if (@{$currnewattach} > 1) {
	$newattachmsg .= '<ol>';
	foreach my $item (@{$currnewattach}) {
	$item =~ m#.*/([^/]+)$#;
	$newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
	}
	$newattachmsg .= '</ol>'."\n";
	} else {
	$$currnewattach[0] =~ m#.*/([^/]+)$#;
	$newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
	}
	}
	$postingform .= $newattachmsg;
	$postingform .= &generate_preview_button();
	}
	return $postingform;
	}

sub build_posting_display {	sub build_posting_display {
my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$statusfilter,$toggkey,$outputtarget) = @_;	my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
my @original=();	my @original=();
my @index=();	my @index=();
	my $skip_group_check = 0;
my $symb=&Apache::lonenc::check_decrypt($ressymb);	my $symb=&Apache::lonenc::check_decrypt($ressymb);
my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},	my $escsymb=&escape($ressymb);
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'});

	my $see_anonymous =
	&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));

	if ((@{$grouppick} == 0) \|\| (grep(/^all$/,@{$grouppick}))) {
	$skip_group_check = 1;
	}
if ($contrib{'version'}) {	if ($contrib{'version'}) {
my $oldest = $contrib{'1:timestamp'};	my $oldest = $contrib{'1:timestamp'};
if ($prevread eq '0') {	if ($prevread eq '0') {
Line 753 sub build_posting_display {	Line 918 sub build_posting_display {
}	}
my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);	my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp);
if ($sortposts) {	if ($sortposts) {
($skiptest,$roleregexp,$secregexp,$statusregexp) = &filter_regexp($rolefilter,$sectionpick,$statusfilter);	($skiptest,$roleregexp,$secregexp,$statusregexp) =
	&filter_regexp($rolefilter,$sectionpick,$statusfilter);
$rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;	$rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
}	}
for (my $id=1;$id<=$contrib{'version'};$id++) {	for (my $id=1;$id<=$contrib{'version'};$id++) {
Line 768 sub build_posting_display {	Line 934 sub build_posting_display {
my $origindex='0.';	my $origindex='0.';
my $numoldver=0;	my $numoldver=0;
if ($contrib{$idx.':replyto'}) {	if ($contrib{$idx.':replyto'}) {
if ( (($ENV{'environment.threadeddiscussion'}) && ($sortposts eq '')) \|\| ($sortposts eq 'thread') \|\| ($outputtarget eq 'export')) {	if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) \|\| ($sortposts eq 'thread') \|\| ($outputtarget eq 'export')) {
# this is a follow-up message	# this is a follow-up message
$original[$idx]=$original[$contrib{$idx.':replyto'}];	$original[$idx]=$original[$contrib{$idx.':replyto'}];
$$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;	$$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1;
Line 792 sub build_posting_display {	Line 958 sub build_posting_display {
$$visible++;	$$visible++;
if ($contrib{$idx.':history'}) {	if ($contrib{$idx.':history'}) {
if ($contrib{$idx.':history'} =~ /:/) {	if ($contrib{$idx.':history'} =~ /:/) {
my @oldversions = split/:/,$contrib{$idx.':history'};	my @oldversions = split(/:/,$contrib{$idx.':history'});
$numoldver = @oldversions;	$numoldver = @oldversions;
} else {	} else {
$numoldver = 1;	$numoldver = 1;
Line 805 sub build_posting_display {	Line 971 sub build_posting_display {
my %allattachments = ();	my %allattachments = ();
my ($screenname,$plainname);	my ($screenname,$plainname);
my $sender = &mt('Anonymous');	my $sender = &mt('Anonymous');
	# Anonymous users getting number within a discussion
	# Since idx is in static order, this should give the same sequence every time.
	my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'};
	unless ($$anonhash{$key}) {
	$anoncnt++;
	$$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;
	}
my ($message,$subject,$vgrlink,$ctlink);	my ($message,$subject,$vgrlink,$ctlink);
&get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);	&get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver);

Line 824 sub build_posting_display {	Line 997 sub build_posting_display {

if ($subject eq '') {	if ($subject eq '') {
if (defined($$subjectsort{'__No subject'})) {	if (defined($$subjectsort{'__No subject'})) {
push @{$$subjectsort{'__No subject'}}, $idx;	push(@{$$subjectsort{'__No subject'}}, $idx);
} else {	} else {
@{$$subjectsort{'__No subject'}} = ("$idx");	@{$$subjectsort{'__No subject'}} = ("$idx");
}	}
} else {	} else {
if (defined($$subjectsort{$subject})) {	if (defined($$subjectsort{$subject})) {
push @{$$subjectsort{$subject}}, $idx;	push(@{$$subjectsort{$subject}}, $idx);
} else {	} else {
@{$$subjectsort{$subject}} = ("$idx");	@{$$subjectsort{$subject}} = ("$idx");
}	}
}	}
if ((!$contrib{$idx.':anonymous'}) \|\| ($seeid)) {	if (!$contrib{$idx.':anonymous'} \|\| $see_anonymous) {
$sender=&Apache::loncommon::aboutmewrapper(	$sender=&Apache::loncommon::aboutmewrapper(
$plainname,	$plainname,
$contrib{$idx.':sendername'},	$contrib{$idx.':sendername'},
$contrib{$idx.':senderdomain'}).' ('.	$contrib{$idx.':senderdomain'}).' ('.
$contrib{$idx.':sendername'}.' at '.	$contrib{$idx.':sendername'}.':'.
$contrib{$idx.':senderdomain'}.')';	$contrib{$idx.':senderdomain'}.')';
if ($contrib{$idx.':anonymous'}) {	if ($contrib{$idx.':anonymous'}) {
$sender.=' ['.&mt('anonymous').'] '.	$sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
$screenname;	$screenname;
}	}
	if ($see_anonymous) {
	$sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
	}
# Set up for sorting by domain, then username	# Set up for sorting by domain, then username
unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {	unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) {
%{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();	%{$$usernamesort{$contrib{$idx.':senderdomain'}}} = ();
}	}
if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {	if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) {
push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx;	push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx);
} else {	} else {
@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");	@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx");
}	}
Line 872 sub build_posting_display {	Line 1047 sub build_posting_display {
%{$$namesort{$lastname}} = ();	%{$$namesort{$lastname}} = ();
}	}
if (defined($$namesort{$lastname}{$firstname})) {	if (defined($$namesort{$lastname}{$firstname})) {
push @{$$namesort{$lastname}{$firstname}}, $idx;	push(@{$$namesort{$lastname}{$firstname}}, $idx);
} else {	} else {
@{$$namesort{$lastname}{$firstname}} = ("$idx");	@{$$namesort{$lastname}{$firstname}} = ("$idx");
}	}
if ($ENV{'course.'.$ENV{'request.course.id'}.'.allow_discussion_post_editing'} =~ m/yes/i) {	if (&editing_allowed($escsymb.':::'.$idx,$group)) {
if (($ENV{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($ENV{'user.name'} eq $contrib{$idx.':sendername'})) {	if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
$sender.=' <a href="/adm/feedback?editdisc='.	$sender.=' <a href="/adm/feedback?editdisc='.
$ressymb.':::'.$idx;	$escsymb.':::'.$idx;
if ($newpostsflag) {	if ($$newpostsflag) {
$sender .= '&previous='.$prevread;	$sender .= '&previous='.$prevread;
}	}
$sender .= '" '.$target.'>'.&mt('Edit').'</a>';	$sender .= &group_args($group);
	$sender .= '" '.$target.'>'.&mt('Edit').'</a>';

unless ($seeid) {	unless ($seeid) {
$sender.=" <a href=\"javascript:studentdelete('$ressymb','$idx','$newpostsflag','$prevread')";	my $grpargs = &group_args($group);
	$sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
$sender .= '">'.&mt('Delete').'</a>';	$sender .= '">'.&mt('Delete').'</a>';
}	}
}	}
Line 894 sub build_posting_display {	Line 1072 sub build_posting_display {
if ($hidden) {	if ($hidden) {
unless ($studenthidden) {	unless ($studenthidden) {
$sender.=' <a href="/adm/feedback?unhide='.	$sender.=' <a href="/adm/feedback?unhide='.
$ressymb.':::'.$idx;	$escsymb.':::'.$idx;
if ($newpostsflag) {	if ($$newpostsflag) {
$sender .= '&previous='.$prevread;	$sender .= '&previous='.$prevread;
}	}
$sender .= '">'.&mt('Make Visible').'</a>';	$sender .= '">'.&mt('Make Visible').'</a>';
}	}
} else {	} else {
$sender.=' <a href="/adm/feedback?hide='.	$sender.=' <a href="/adm/feedback?hide='.
$ressymb.':::'.$idx;	$escsymb.':::'.$idx;
if ($newpostsflag) {	if ($$newpostsflag) {
$sender .= '&previous='.$prevread;	$sender .= '&previous='.$prevread;
}	}
	$sender .= &group_args($group);
$sender .= '">'.&mt('Hide').'</a>';	$sender .= '">'.&mt('Hide').'</a>';
}	}
$sender.=' <a href="/adm/feedback?deldisc='.	my $grpargs = &group_args($group);
$ressymb.':::'.$idx;	$sender.=
if ($newpostsflag) {	" <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
$sender .= '&previous='.$prevread;	$sender .= &mt('Delete').'</a>';
}
$sender .= '">'.&mt('Delete').'</a>';
}	}
} else {	} else {
if ($screenname) {	if ($screenname) {
$sender='<i>'.$screenname.'</i>';	$sender='<i>'.$screenname.'</i>';
	} else {
	$sender='<i>'.$$anonhash{$key}.'</i>';
}	}
# Set up for sorting by domain, then username for anonymous	# Set up for sorting by domain, then username for anonymous
unless (defined($$usernamesort{'__anon'})) {	unless (defined($$usernamesort{'__anon'})) {
%{$$usernamesort{'__anon'}} = ();	%{$$usernamesort{'__anon'}} = ();
}	}
if (defined($$usernamesort{'__anon'}{'__anon'})) {	if (defined($$usernamesort{'__anon'}{'__anon'})) {
push @{$$usernamesort{'__anon'}{'__anon'}}, $idx;	push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx);
} else {	} else {
@{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");	@{$$usernamesort{'__anon'}{'__anon'}} = ("$idx");
}	}
Line 933 sub build_posting_display {	Line 1112 sub build_posting_display {
%{$$namesort{'__anon'}} = ();	%{$$namesort{'__anon'}} = ();
}	}
if (defined($$namesort{'__anon'}{'__anon'})) {	if (defined($$namesort{'__anon'}{'__anon'})) {
push @{$$namesort{'__anon'}{'__anon'}}, $idx;	push(@{$$namesort{'__anon'}{'__anon'}}, $idx);
} else {	} else {
@{$$namesort{'__anon'}{'__anon'}} = ("$idx");	@{$$namesort{'__anon'}{'__anon'}} = ("$idx");
}	}
}	}
if (&discussion_open($status) &&	if (&discussion_open($status)) {
&Apache::lonnet::allowed('pch',	if (($group ne '') &&
$ENV{'request.course.id'}.	(&check_group_priv($group,'pgd') eq 'ok')) {
($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {	$sender.=' <a href="/adm/feedback?replydisc='.
$sender.=' <a href="/adm/feedback?replydisc='.	$escsymb.':::'.$idx;
$ressymb.':::'.$idx;	if ($$newpostsflag) {
if ($newpostsflag) {	$sender .= '&previous='.$prevread;
$sender .= '&previous='.$prevread;	}
	$sender .= &group_args($group);
	$sender .= '" '.$target.'>'.&mt('Reply').'</a>';
	} elsif (&Apache::lonnet::allowed('pch',
	$env{'request.course.id'}.
	($env{'request.course.sec'}?'/'.
	$env{'request.course.sec'}:''))) {
	$sender.=' <a href="/adm/feedback?replydisc='.
	$escsymb.':::'.$idx;
	if ($$newpostsflag) {
	$sender .= '&previous='.$prevread;
	}
	$sender .= '" '.$target.'>'.&mt('Reply').'</a>';
}	}
$sender .= '" '.$target.'>'.&mt('Reply').'</a>';
}	}
if ($viewgrades) {	if ($viewgrades) {
$vgrlink=&Apache::loncommon::submlink('Submissions',	$vgrlink=&Apache::loncommon::submlink('Submissions',
$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);	$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
}	}
if ($$dischash{$readkey}=~/\.$idx\./) {	if ($$dischash{$readkey}=~/\.$idx\./) {
$ctlink = '<b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" />';	$ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
} else {	} else {
$ctlink = '<b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" />';	$ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
}	}
}	}
#figure out at what position this needs to print	#figure out at what position this needs to print
}	}
if ($outputtarget eq 'export' \|\| $message) {	if ($outputtarget eq 'export' \|\| $message) {
my $thisindex=$idx;	my $thisindex=$idx;
if ( (($ENV{'environment.threadeddiscussion'}) && ($sortposts eq '')) \|\| ($sortposts eq 'thread') \|\| ($outputtarget eq 'export')) {	if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) \|\| ($sortposts eq 'thread') \|\| ($outputtarget eq 'export')) {
$thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);	$thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2);
}	}
$$alldiscussion{$thisindex}=$idx;	$$alldiscussion{$thisindex}=$idx;
Line 981 sub build_posting_display {	Line 1171 sub build_posting_display {
$$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};	$$imsitems{$idx}{'attach'}=$attachtxt{$numoldver};
$$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};	$$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'};
$$imsitems{$idx}{'sender'}=$plainname.' ('.	$$imsitems{$idx}{'sender'}=$plainname.' ('.
$contrib{$idx.':sendername'}.' at '.	$contrib{$idx.':sendername'}.':'.
$contrib{$idx.':senderdomain'}.')';	$contrib{$idx.':senderdomain'}.')';
$$imsitems{$idx}{'isanonymous'}='false';	$$imsitems{$idx}{'isanonymous'}='false';
if ($contrib{$idx.':anonymous'}) {	if ($contrib{$idx.':anonymous'}) {
Line 1004 sub build_posting_display {	Line 1194 sub build_posting_display {
my $uname = $contrib{$idx.':sendername'};	my $uname = $contrib{$idx.':sendername'};
my $udom = $contrib{$idx.':senderdomain'};	my $udom = $contrib{$idx.':senderdomain'};
my $poster = $uname.':'.$udom;	my $poster = $uname.':'.$udom;
if (defined($ENV{'form.totposters'})) {	if ($env{'form.totposters'} ne '') {
if ($totposters == 0) {	if ($totposters == 0) {
$$shown{$idx} = 0;	$$shown{$idx} = 0;
} elsif ($totposters > 0) {	} elsif ($totposters > 0) {
Line 1029 sub build_posting_display {	Line 1219 sub build_posting_display {
}	}
}	}
}	}
	if ($$shown{$idx} && !$skip_group_check) {
	my $showflag = 0;
	if (ref($$classgroups{$poster}{active}) eq 'HASH') {
	foreach my $grp (@{$grouppick}) {
	if (grep/^\Q$grp\E$/,
	keys(%{$$classgroups{$poster}{active}})) {
	$showflag = 1;
	last;
	}
	}
	}
	if ($showflag) {
	$$shown{$idx} = 1;
	} else {
	$$shown{$idx} = 0;
	}
	}
} else {	} else {
$$shown{$idx} = 1;	$$shown{$idx} = 1;
}	}
Line 1037 sub build_posting_display {	Line 1244 sub build_posting_display {
if ($prevread > 0 && $prevread <= $posttime) {	if ($prevread > 0 && $prevread <= $posttime) {
$$newitem{$idx} = 1;	$$newitem{$idx} = 1;
$$discussionitems[$idx] .= '	$$discussionitems[$idx] .= '
<p><table border="0" width="100%">	<table border="0" width="100%">
<tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';	<tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>';
} else {	} else {
$$newitem{$idx} = 0;	$$newitem{$idx} = 0;
$$discussionitems[$idx] .= '	$$discussionitems[$idx] .= '
<p><table border="0" width="100%">	<table border="0" width="100%">
<tr><td align="left"> </td>';	<tr><td align="left"> </td>';
}	}
$$discussionitems[$idx] .= '<td align ="left">  '.	$$discussionitems[$idx] .= '<td align="left">  '.
'<b>'.$subject.'</b>  '.	'<b>'.$subject.'</b>  '.
$sender.'</b> '.$vgrlink.' ('.	'<b>'.$sender.'</b> '.$vgrlink.' ('.
&Apache::lonlocal::locallocaltime($posttime).')</td>';	&Apache::lonlocal::locallocaltime($posttime).')</td>';
if ($$dischash{$toggkey}) {	if ($$dischash{$toggkey}) {
$$discussionitems[$idx].='<td align="right">  '.	$$discussionitems[$idx].='<td align="right">  '.
$ctlink.'</td>';	$ctlink.'</td>';
}	}
$$discussionitems[$idx].= '</tr></table><blockquote>'.	$$discussionitems[$idx].= '</tr></table><blockquote>'.
$message.'</blockquote></p>';	$message.'</blockquote>';
if ($contrib{$idx.':history'}) {	if ($contrib{$idx.':history'}) {
my @postversions = ();	my @postversions = ();
$$discussionitems[$idx] .= &mt('This post has been edited by the author.');	$$discussionitems[$idx] .= &mt('This post has been edited by the author.');
if ($seeid) {	if ($seeid) {
$$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$ressymb.':::'.$idx.'">'.&mt('Display all versions').'</a>';	$$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;
	$$discussionitems[$idx] .= &group_args($group);
	$$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>';
}	}
$$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');	$$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: ');
if ($contrib{$idx.':history'} =~ m/:/) {	if ($contrib{$idx.':history'} =~ m/:/) {
@postversions = split/:/,$contrib{$idx.':history'};	@postversions = split(/:/,$contrib{$idx.':history'});
} else {	} else {
@postversions = ("$contrib{$idx.':history'}");	@postversions = ("$contrib{$idx.':history'}");
}	}
Line 1086 sub filter_regexp {	Line 1295 sub filter_regexp {
my $skiptest = 1;	my $skiptest = 1;
if (@{$rolefilter} > 0) {	if (@{$rolefilter} > 0) {
my @okrolefilter = ();	my @okrolefilter = ();
foreach (@{$rolefilter}) {	foreach my $role (@{$rolefilter}) {
unless ($_ eq '') {	unless ($role eq '') {
push @okrolefilter, $_;	push(@okrolefilter, $role);
}	}
}	}
if (@okrolefilter > 0) {	if (@okrolefilter > 0) {
Line 1106 sub filter_regexp {	Line 1315 sub filter_regexp {
}	}
if (@{$sectionpick} > 0) {	if (@{$sectionpick} > 0) {
my @oksectionpick = ();	my @oksectionpick = ();
foreach (@{$sectionpick}) {	foreach my $sec (@{$sectionpick}) {
unless ($_ eq '') {	unless ($sec eq '') {
push @oksectionpick, $_;	push(@oksectionpick, $sec);
}	}
}	}
if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {	if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) {
Line 1122 sub filter_regexp {	Line 1331 sub filter_regexp {
$secregexp .= '[^:]*';	$secregexp .= '[^:]*';
}	}
}	}

if (defined($statusfilter) && $statusfilter ne '') {	if (defined($statusfilter) && $statusfilter ne '') {
if ($statusfilter eq 'all') {	if ($statusfilter eq 'all') {
$statusregexp = '[^:]+';	$statusregexp = '[^:]+';
Line 1142 sub get_post_contents {	Line 1352 sub get_post_contents {
%{$$imsfiles{$idx}}=();	%{$$imsfiles{$idx}}=();
if ($type eq 'allversions') {	if ($type eq 'allversions') {
unless($seeid) {	unless($seeid) {
$discussion=&mt('You do not have privileges to view all versions of posts.').&mt('Please select a different role');	$discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.');
return $discussion;	return $discussion;
}	}
}	}
# $$screenname=&Apache::loncommon::screenname(	# $$screenname=&Apache::loncommon::screenname(
# $$contrib{$idx.':sendername'},	# $$contrib{$idx.':sendername'},
# $$contrib{$idx.':senderdomain'});	# $$contrib{$idx.':senderdomain'});
# $$plainname=&Apache::loncommon::nickname(	$$plainname=&Apache::loncommon::nickname(
# $$contrib{$idx.':sendername'},	$$contrib{$idx.':sendername'},
# $$contrib{$idx.':senderdomain'});	$$contrib{$idx.':senderdomain'});
($$screenname,$$plainname)=($$contrib{$idx.':screenname'},	$$screenname=$$contrib{$idx.':screenname'};
$$contrib{$idx.':plainname'});
my $sender=&Apache::loncommon::aboutmewrapper(	my $sender=&Apache::loncommon::aboutmewrapper(
$$plainname,	$$plainname,
$$contrib{$idx.':sendername'},	$$contrib{$idx.':sendername'},
$$contrib{$idx.':senderdomain'}).' ('.	$$contrib{$idx.':senderdomain'}).' ('.
$$contrib{$idx.':sendername'}.' at '.	$$contrib{$idx.':sendername'}.':'.
$$contrib{$idx.':senderdomain'}.')';	$$contrib{$idx.':senderdomain'}.')';
my $attachmenturls = $$contrib{$idx.':attachmenturl'};	my $attachmenturls = $$contrib{$idx.':attachmenturl'};
my @postversions = ();	my @postversions = ();
if ($type eq 'allversions' \|\| $type eq 'export') {	if ($type eq 'allversions' \|\| $type eq 'export') {
$start = 0;	$start = 0;
if ($$contrib{$idx.':history'}) {	if ($$contrib{$idx.':history'}) {
if ($$contrib{$idx.':history'} =~ m/:/) {	@postversions = split(/:/,$$contrib{$idx.':history'});
@postversions = split/:/,$$contrib{$idx.':history'};
} else {
@postversions = ("$$contrib{$idx.':history'}");
}
}	}
&get_post_versions($messages,$$contrib{$idx.':message'},1);	&get_post_versions($messages,$$contrib{$idx.':message'},1);
&get_post_versions($subjects,$$contrib{$idx.':subject'},1);	&get_post_versions($subjects,$$contrib{$idx.':subject'},1);
push @postversions,$$contrib{$idx.':timestamp'};	push(@postversions,$$contrib{$idx.':timestamp'});
$end = @postversions;	$end = @postversions;
} else {	} else {
&get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);	&get_post_versions($messages,$$contrib{$idx.':message'},1,$numver);
Line 1190 sub get_post_contents {	Line 1396 sub get_post_contents {
my ($timesent,$attachmsg);	my ($timesent,$attachmsg);
my %currattach = ();	my %currattach = ();
$timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);	$timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
$$messages{$i}=~s/\n/\<br \/\>/g;	&newline_to_br(\$messages->{$i});
$$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});	$$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
$$subjects{$i}=~s/\n/\<br \/\>/g;	$$subjects{$i}=~s/\n/\<br \/\>/g;
$$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});	$$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
Line 1200 sub get_post_contents {	Line 1406 sub get_post_contents {
if ($type eq 'export') {	if ($type eq 'export') {
$$imsfiles{$idx}{$i} = '';	$$imsfiles{$idx}{$i} = '';
if ($attachmsg) {	if ($attachmsg) {
$$attachtxt{$i} = '<br />Attachments:<br />';	$$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />';
foreach (sort keys %currattach) {	foreach my $key (sort(keys(%currattach))) {
if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {	if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
my $fname = $1.$3.'/'.$4;	my $fname = $1.$3.'/'.$4;
$$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n";	$$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n";
$$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';	$$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />';
}	}
}	}
}	}
} else {	} else {
if ($attachmsg) {	if ($attachmsg) {
$$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />';	$$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />';
} else {	} else {
$$attachtxt{$i} = '';	$$attachtxt{$i} = '';
}	}
Line 1225 END	Line 1431 END
}	}
}	}
if ($type eq 'allversions') {	if ($type eq 'allversions') {
$discussion.=('</ul></body></html>');	$discussion.='</ul>';
return $discussion;	return $discussion;
} else {	} else {
return;	return;
Line 1235 END	Line 1441 END
sub replicate_attachments {	sub replicate_attachments {
my ($attachrefs,$tempexport) = @_;	my ($attachrefs,$tempexport) = @_;
my $response;	my $response;
foreach my $id (keys %{$attachrefs}) {	foreach my $id (keys(%{$attachrefs})) {
if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {	if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
my $path = $tempexport;	my $path = $tempexport;
my $tail = $1.'/'.$2.$4;	my $tail = $1.'/'.$2.$4;
my @extras = split/\//,$tail;	my @extras = split(/\//,$tail);
my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;	my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5;
if (!-e $destination) {	if (!-e $destination) {
my $i= 0;	my $i= 0;
Line 1258 sub replicate_attachments {	Line 1464 sub replicate_attachments {
print $attachcopy $content;	print $attachcopy $content;
close($attachcopy);	close($attachcopy);
} else {	} else {
$response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n";	$response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n";
}	}
} else {	} else {
&Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");	&Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode");
$response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n";	$response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n";
}	}
}	}
}	}
Line 1271 sub replicate_attachments {	Line 1477 sub replicate_attachments {
}	}

sub mail_screen {	sub mail_screen {
my ($r,$feedurl,$options) = @_;	my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_;
if (exists($ENV{'form.origpage'})) {	if (exists($env{'form.origpage'})) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss']);	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
}	}
my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion',
'','onLoad="window.focus();setposttype();"');	my %lt = &Apache::lonlocal::texthash(
my $title=&Apache::lonnet::gettitle($feedurl);	'myqu' => 'My question/comment/feedback:',
if (!$title) { $title = $feedurl; }	'title' => 'Title',
	'reta' => 'Retained attachments',
	'atta' => 'Attachment',
	);
	my $restitle = &get_resource_title($caller_symb,$feedurl);
my $quote='';	my $quote='';
my $subject = '';	my $subject = '';
my $comment = '';	my $comment = '';
Line 1296 sub mail_screen {	Line 1506 sub mail_screen {
my $attachnum = 0;	my $attachnum = 0;
my $anonchk = (<<END);	my $anonchk = (<<END);
function anonchk() {	function anonchk() {
if (document.mailform.anondiscuss.checked == true) {	for (var i=0; i < document.mailform.discuss.length; i++) {
document.attachment.anondiscuss.value = '1'	if (document.mailform.discuss[i].checked) {
}	document.attachment.discuss.value =
if (document.mailform.discuss.checked == true) {	document.mailform.discuss[i].value;
document.attachment.discuss.value = '1'	}
}	}
	if (document.mailform.blog.checked) {
	document.attachment.blog.value = 1;
	}
return	return
}	}
END	END
my $anonscript;	my $anonscript;
if (exists($ENV{'form.origpage'})) {	if (exists($env{'form.origpage'})) {
$anonscript = (<<END);	$anonscript = (<<END);
function setposttype() {	function setposttype() {
var anondisc = $ENV{'form.anondiscuss'};	var disc = "$env{'form.discuss'}";
var disc = $ENV{'form.discuss'};	for (var i=0; i < document.mailform.discuss.length; i++) {
if (anondisc == 1) {	if (disc == document.mailform.discuss[i].value) {
document.mailform.anondiscuss.checked = true	document.mailform.discuss[i].checked = 1;
	}
}	}
if (disc == 1) {	var blog = "$env{'form.blog'}";
document.mailform.discuss.checked = true	if (blog == 1) {
	document.mailform.blog.checked=1;
}	}
return	return
}	}
Line 1327 END	Line 1542 END
}	}
END	END
}	}
if (($ENV{'form.replydisc'}) \|\| ($ENV{'form.editdisc'})) {	if (($env{'form.replydisc'}) \|\| ($env{'form.editdisc'})) {
if ($ENV{'form.replydisc'}) {	if ($env{'form.replydisc'}) {
($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});	($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
} else {	} else {
($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});	($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
}	}
my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
unless (($contrib{'hidden'}=~/\.$idx\./) \|\| ($contrib{'deleted'}=~/\.$idx\./)) {	unless (($contrib{'hidden'}=~/\.$idx\./) \|\| ($contrib{'deleted'}=~/\.$idx\./)) {
if ($contrib{$idx.':history'}) {	if ($contrib{$idx.':history'}) {
if ($contrib{$idx.':history'} =~ /:/) {	if ($contrib{$idx.':history'} =~ /:/) {
my @oldversions = split/:/,$contrib{$idx.':history'};	my @oldversions = split(/:/,$contrib{$idx.':history'});
$numoldver = @oldversions;	$numoldver = @oldversions;
} else {	} else {
$numoldver = 1;	$numoldver = 1;
}	}
}	}
if ($ENV{'form.replydisc'}) {	if ($env{'form.replydisc'}) {
if ($contrib{$idx.':history'}) {	if ($contrib{$idx.':history'}) {
if ($contrib{$idx.':history'} =~ /:/) {	if ($contrib{$idx.':history'} =~ /:/) {
my @oldversions = split/:/,$contrib{$idx.':history'};	my @oldversions = split(/:/,$contrib{$idx.':history'});
$numoldver = @oldversions;	$numoldver = @oldversions;
} else {	} else {
$numoldver = 1;	$numoldver = 1;
}	}
}	}
my $message;
if ($idx > 0) {	if ($idx > 0) {
my %msgversions = ();	my %msgversions = ();
&get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);	&get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver);
$message = $msgversions{$numoldver};	$quote = $msgversions{$numoldver};
}	}
$message=~s/\n/\<br \/\>/g;
$quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>';
if ($idx > 0) {	if ($idx > 0) {
my %subversions = ();	my %subversions = ();
&get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);	&get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver);
$subject = 'Re: '.$subversions{$numoldver};	$subject = &mt('Re: ').$subversions{$numoldver};
}	}
$subject = &HTML::Entities::encode($subject,'<>&"');	$subject = &HTML::Entities::encode($subject,'<>&"');
} else {	} else {
Line 1381 END	Line 1593 END
if (defined($contrib{$idx.':replyto'})) {	if (defined($contrib{$idx.':replyto'})) {
$parentmsg = $contrib{$idx.':replyto'};	$parentmsg = $contrib{$idx.':replyto'};
}	}
unless (exists($ENV{'form.origpage'})) {	unless (exists($env{'form.origpage'})) {
my $anonflag = 0;	my $anonflag = 'nonanon';
if ($contrib{$idx.':anonymous'}) {	if ($contrib{$idx.':anonymous'}) {
$anonflag = 1;	$anonflag = 'anon';
}	}
$anonscript = (<<END);	$anonscript = (<<END);
function setposttype () {	function setposttype () {
var currtype = $anonflag	var currtype = "$anonflag";
if (currtype == 1) {	for (var i=0; i<document.mailform.discuss.length; i++) {
document.mailform.elements.discuss.checked = false	if (document.mailform.elements.discuss[i].value == currtype ) {
document.mailform.elements.anondiscuss.checked = true	document.mailform.elements.discuss[i].checked=1;
}	}
if (currtype == 0) {
document.mailform.elements.anondiscuss.checked = false
document.mailform.elements.discuss.checked = true
}	}
return	return
}	}
Line 1403 END	Line 1612 END
}	}
}	}
}	}
if ($ENV{'form.previous'}) {	if ($env{'form.previous'}) {
$prevtag = '<input type="hidden" name="previous" value="'.$ENV{'form.previous'}.'" />';	$prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />';
}	}
}	}

if ($ENV{'form.origpage'}) {	if ($env{'form.origpage'}) {
$subject = &Apache::lonnet::unescape($ENV{'form.subject'});	$subject = &unescape($env{'form.subject'});
$comment = &Apache::lonnet::unescape($ENV{'form.comment'});	$comment = &unescape($env{'form.comment'});
&process_attachments(\@currnewattach,\@currdelold,\@keepold);	&process_attachments(\@currnewattach,\@currdelold,\@keepold);
}	}
my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();	my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders();
my $send=&mt('Send');	my $send=&mt('Send');
$r->print(<<END);	my $alert = &mt('Please select a feedback type.');
<html>	my $js= <<END;
<head>
<title>The LearningOnline Network with CAPA</title>
<meta http-equiv="pragma" content="no-cache"></meta>
$htmlheader
<script type="text/javascript">	<script type="text/javascript">
//<!--	//<!--
function gosubmit() {	function gosubmit() {
var rec=0;	var rec=0;
if (typeof(document.mailform.elements.author)!="undefined") {
if (document.mailform.elements.author.checked) {
rec=1;
}
}
if (typeof(document.mailform.elements.question)!="undefined") {
if (document.mailform.elements.question.checked) {
rec=1;
}
}
if (typeof(document.mailform.elements.course)!="undefined") {
if (document.mailform.elements.course.checked) {
rec=1;
}
}
if (typeof(document.mailform.elements.policy)!="undefined") {
if (document.mailform.elements.policy.checked) {
rec=1;
}
}
if (typeof(document.mailform.elements.discuss)!="undefined") {	if (typeof(document.mailform.elements.discuss)!="undefined") {
if (document.mailform.elements.discuss.checked) {	if (typeof(document.mailform.elements.discuss.length) == "undefined") {
rec=1;	if (document.mailform.elements.discuss.checked ) {
}	rec=1;
}	}
if (typeof(document.mailform.elements.anondiscuss)!="undefined") {	} else {
if (document.mailform.elements.anondiscuss.checked) {	for (var i=0; i<document.mailform.elements.discuss.length; i++) {
	if (document.mailform.elements.discuss[i].checked ) {
	rec=1;
	}
	}
	}
	}
	if (typeof(document.mailform.elements.blog)!="undefined") {
	if (document.mailform.elements.blog.checked) {
rec=1;	rec=1;
}	}
}	}
Line 1463 $htmlheader	Line 1655 $htmlheader
}	}
document.mailform.submit();	document.mailform.submit();
} else {	} else {
alert('Please check a feedback type.');	alert('$alert');
}	}
}	}
$anonchk	$anonchk
$anonscript	$anonscript
//-->	//-->
</script>	</script>
</head>	END
$bodytag
<h2><tt>$title</tt></h2>	# Breadcrumbs
	my $brcrum = [{'href' => '',
	'text' => 'Resource Feedback and Discussion'}];

	my %onload = ('onload' => 'window.focus();setposttype();');
	my $start_page=
	&Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
	{'add_entries' => \%onload,
	'bread_crumbs' => $brcrum,});

	if ($quote ne '') {
	&newline_to_br(\$quote);
	$quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
	}

	$r->print(<<END);
	$start_page
	<h2><tt>$restitle</tt></h2>
<form action="/adm/feedback" method="post" name="mailform"	<form action="/adm/feedback" method="post" name="mailform"
enctype="multipart/form-data">	enctype="multipart/form-data">
$prevtag	$prevtag
<input type="hidden" name="postdata" value="$feedurl" />	<input type="hidden" name="postdata" value="$feedurl" />
END	END
if ($ENV{'form.replydisc'}) {	if ($env{'form.replydisc'}) {
$r->print(<<END);	$r->print(<<END);
<input type="hidden" name="replydisc" value="$ENV{'form.replydisc'}" />	<input type="hidden" name="replydisc" value="$env{'form.replydisc'}" />
END	END
} elsif ($ENV{'form.editdisc'}) {	} elsif ($env{'form.editdisc'}) {
$r->print(<<END);	$r->print(<<END);
<input type="hidden" name="editdisc" value ="$ENV{'form.editdisc'}" />	<input type="hidden" name="editdisc" value="$env{'form.editdisc'}" />
<input type="hidden" name="parentmsg" value ="$parentmsg" />	<input type="hidden" name="parentmsg" value="$parentmsg" />
END	END
}	}
$r->print(<<END);	$r->print(<<END);
Please check at least one of the following feedback types:
$options<hr />	$options<hr />
$quote	$quote
<p>My question/comment/feedback:</p>	<p>$lt{'myqu'}</p>
<p>	<p>
$latexHelp	$latexHelp
Title: <input type="text" name="subject" size="30" value="$subject" /></p>	</p>
<p>	<p>
<textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment	$lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>
</textarea></p>
<p>	<p>
	<textarea name="comment" id="comment" cols="60" rows="10">$comment
	</textarea></p>
END	END
if ( ($ENV{'form.editdisc'}) \|\| ($ENV{'form.replydisc'}) ) {	if ( ($env{'form.editdisc'}) \|\| ($env{'form.replydisc'}) ) {
if ($ENV{'form.origpage'}) {	if ($env{'form.origpage'}) {
foreach (@currnewattach) {	foreach my $attach (@currnewattach) {
$r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");	$r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n");
}	}
foreach (@currdelold) {	foreach my $oldatt (@currdelold) {
$r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");	$r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n");
}	}
}	}
if ($ENV{'form.editdisc'}) {	if ($env{'form.editdisc'}) {
if ($attachmenturls) {	if ($attachmenturls) {
&extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);	&extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold);
$attachnum = scalar(keys %currattach);	$attachnum = scalar(keys(%currattach));
foreach (keys %currattach) {	foreach my $key (keys(%currattach)) {
$r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n");	$r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n");
}	}
}	}
}	}
} else {	} else {
$r->print(<<END);	$r->print(<<END);
Attachment (128 KB max size): <input type="file" name="attachment" />	<p>
	$lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
</p>	</p>
END	END
}	}
	if (exists($env{'form.group'})) {
	$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
	}
	if (exists($env{'form.ref'})) {
	$r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
	}
$r->print(<<END);	$r->print(<<END);
<p>	<p>
<input type="hidden" name="sendit" value="1" />	<input type="hidden" name="sendit" value="1" />
<input type="button" value="$send" onClick='gosubmit();' />	<input type="button" value="$send" onclick='gosubmit();' />
</p>	</p>
</form>	</form>
END	END
if ($ENV{'form.editdisc'} \|\| $ENV{'form.replydisc'}) {	if ($env{'form.editdisc'} \|\| $env{'form.replydisc'}) {
my $now = time;	my $now = time;
my $ressymb = $symb;	my $ressymb = $symb;
	&Apache::lonenc::check_encrypt(\$ressymb);
my $postidx = '';	my $postidx = '';
if ($ENV{'form.editdisc'}) {	if ($env{'form.editdisc'}) {
$postidx = $idx;	$postidx = $idx;
}	}
if (@currnewattach > 0) {	if (@currnewattach > 0) {
$attachnum += @currnewattach;	$attachnum += @currnewattach;
}	}
$r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver));	my $blockblog = &Apache::loncommon::blocking_status('blogs');
	$r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog));
if ($attachnum > 0) {	if ($attachnum > 0) {
if (@currnewattach > 0) {	if (@currnewattach > 0) {
$newattachmsg .= '<b>New attachments</b><br />';	$newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />';
if (@currnewattach > 1) {	if (@currnewattach > 1) {
$newattachmsg .= '<ol>';	$newattachmsg .= '<ol>';
foreach my $item (@currnewattach) {	foreach my $item (@currnewattach) {
Line 1559 END	Line 1777 END
}	}
}	}
if ($attachmsg) {	if ($attachmsg) {
$r->print("<b>Retained attachments</b>:$attachmsg<br />\n");	$r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n");
}	}
if ($newattachmsg) {	if ($newattachmsg) {
$r->print("$newattachmsg<br />");	$r->print("$newattachmsg<br />");
Line 1568 END	Line 1786 END
}	}
$r->print(&generate_preview_button().	$r->print(&generate_preview_button().
&Apache::lonhtmlcommon::htmlareaselectactive('comment').	&Apache::lonhtmlcommon::htmlareaselectactive('comment').
'</body></html>');	&Apache::loncommon::end_page());

}	}

sub print_display_options {	sub print_display_options {
Line 1578 sub print_display_options {	Line 1797 sub print_display_options {

my $function = &Apache::loncommon::get_users_function();	my $function = &Apache::loncommon::get_users_function();
my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',	my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
$ENV{'user.domain'});	$env{'user.domain'});
my $bodytag=&Apache::loncommon::bodytag('Discussion options',
'','');

my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'dido' => 'Discussion display options',
'pref' => 'Display Preference',	'pref' => 'Display Preference',
'curr' => 'Current setting ',	'curr' => 'Current setting ',
'actn' => 'Action',	'actn' => 'Action',
'deff' => 'Default for all discussions',	'deff' => 'Default for all discussions',
'prca' => 'Preferences can be set for this discussion that determine ....',	'prca' => 'Preferences can be set for this discussion that determine ....',
'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and',	'whpo' => 'Which posts are displayed when you display this discussion board or resource, and',
'unwh' => 'Under what circumstances posts are identified as "NEW", and',	'unwh' => 'Under what circumstances posts are identified as "NEW", and',
'wipa' => 'Whether individual posts can be marked as read/unread',	'wipa' => 'Whether individual posts can be marked as read/unread',
'allposts' => 'All posts',	'allposts' => 'All posts',
'unread' => 'New posts only',	'unread' => 'New posts only',
'unmark' => 'Posts not marked read',	'unmark' => 'Posts not marked read',
'ondisp' => 'Once displayed',	'ondisp' => 'Once displayed',
'onmark' => 'Once marked not NEW ',	'onmark' => 'Once marked not NEW',
'toggon' => 'Shown',	'toggon' => 'Shown',
'toggoff' => 'Not shown',	'toggoff' => 'Not shown',
'disa' => 'Posts displayed?',	'disa' => 'Posts displayed?',
Line 1641 sub print_display_options {	Line 1857 sub print_display_options {
$currtogg = $lt{'toggon'};	$currtogg = $lt{'toggon'};
$disctogg = 'toggon';	$disctogg = 'toggon';
}	}
$r->print(<<END);
<html>	my $js = <<END;
<head>	<script type="text/javascript">
<title>$lt{'dido'}</title>
<meta http-equiv="pragma" content="no-cache" />
<script>
function discdispChk(caller) {	function discdispChk(caller) {
var disctogg = '$toggchg'	var disctogg = '$toggchg'
if (caller == 0) {	if (caller == 0) {
Line 1713 function setDisp() {	Line 1926 function setDisp() {
}	}
}	}
</script>	</script>
</head>	END
$bodytag

	my $start_page =
	&Apache::loncommon::start_page('Discussion display options',$js);
	my $end_page =
	&Apache::loncommon::end_page();
	$r->print(<<END);
	$start_page
<form name="modifydisp" method="post" action="/adm/feedback">	<form name="modifydisp" method="post" action="/adm/feedback">
$lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>	$lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol>
<br />	<br />
<table border="0" cellpadding="0" cellspacing="0">	END
<tr>	$r->print(&Apache::loncommon::start_data_table());
<td width="100%" bgcolor="#000000">	$r->print(<<END);
<table width="100%" border="0" cellpadding="1" cellspacing="0">	<tr>
<tr>	<th>$lt{'pref'}</td>
<td width="100%" bgcolor="#000000">	<th>$lt{'curr'}</td>
<table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">	<th>$lt{'actn'}?</td>
<tr bgcolor="$tabcolor">
<td><b>$lt{'pref'}</b></td>
<td><b>$lt{'curr'}</b></td>
<td><b>$lt{'actn'}?</b></td>
</tr>	</tr>
<tr bgcolor="#dddddd">	END
	$r->print(&Apache::loncommon::start_data_table_row());
	$r->print(<<END);
<td>$lt{'disa'}</td>	<td>$lt{'disa'}</td>
<td>$lt{$discdisp}</td>	<td>$lt{$discdisp}</td>
<td><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"	<td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
<br />	<br />
<input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"	<label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
</td>	</td>
</tr><tr bgcolor="#eeeeee">	END
	$r->print(&Apache::loncommon::end_data_table_row());
	$r->print(&Apache::loncommon::start_data_table_row());
	$r->print(<<END);
<td>$lt{'npmr'}</td>	<td>$lt{'npmr'}</td>
<td>$lt{$discmark}</td>	<td>$lt{$discmark}</td>
<td><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</td>	<td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td>
</tr><tr bgcolor="#dddddd">	END
	$r->print(&Apache::loncommon::end_data_table_row());
	$r->print(&Apache::loncommon::start_data_table_row());
	$r->print(<<END);
<td>$lt{'dotm'}</td>	<td>$lt{'dotm'}</td>
<td>$lt{$disctogg}</td>	<td>$lt{$disctogg}</td>
<td><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</td>	<td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
</tr>	END
</table>	my $save = &mt('Save');
</td>	$r->print(&Apache::loncommon::end_data_table_row());
</tr>	$r->print(&Apache::loncommon::end_data_table());
</table>	$r->print(<<END);
</td>
</tr>
</table>
<br />	<br />
<br />	<br />
<input type="hidden" name="symb" value="$symb" />	<input type="hidden" name="symb" value="$symb" />
<input type="hidden" name="previous" value="$previous" />	<input type="hidden" name="previous" value="$previous" />
<input type="hidden" name="$dispchgA" value=""/>	<input type="hidden" name="$dispchgA" value="" />
<input type="hidden" name="$dispchgB" value=""/>	<input type="hidden" name="$dispchgB" value="" />
<input type="hidden" name="$markchg" value=""/>	<input type="hidden" name="$markchg" value="" />
<input type="hidden" name="$toggchg" value="" />	<input type="hidden" name="$toggchg" value="" />
<input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" />	<input type="button" name="sub" value="$save" onclick="javascript:setDisp()" />
	END
	if (exists($env{'form.group'})) {
	$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
	}
	if (exists($env{'form.ref'})) {
	$r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
	}
	$r->print("
<br />	<br />
<br />	<br />
</form>	</form>
</body>	$end_page
</html>	");
END
return;	return;
}	}

Line 1778 sub print_sortfilter_options {	Line 2006 sub print_sortfilter_options {
$r->send_http_header;	$r->send_http_header;

&Apache::lonenc::check_encrypt(\$symb);	&Apache::lonenc::check_encrypt(\$symb);
my @sections = ();	my @sections;
my $section_sel = '';	my $section_sel = '';
my $numsections = 0;
my $numvisible = 5;	my $numvisible = 5;
my %sectioncount = ();	my @groups;
	my $group_sel = '';
$numsections = &Apache::loncommon::get_sections($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},$ENV{'course.'.$ENV{'request.course.id'}.'.num'},\%sectioncount);	my $numgroupvis = 5;
	my %sectioncount = &Apache::loncommon::get_sections();
if ($ENV{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section	my @courseroles = qw(st ad ep ta in);
@sections = ('all',$ENV{'request.course.sec'});	my $crstype = &Apache::loncommon::course_type();
	my $ccrole = 'cc';
	if ($crstype eq 'Community') {
	$ccrole = 'co';
	}
	push(@courseroles,$ccrole);

	if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
	@sections = ('all',$env{'request.course.sec'});
$numvisible = 2;	$numvisible = 2;
} else {	} else {
@sections = sort {$a cmp $b} keys(%sectioncount);	@sections = sort {$a cmp $b} keys(%sectioncount);
	if (scalar(@sections) < 4) {
	$numvisible = scalar(@sections) + 1;
	}
unshift(@sections,'all'); # Put 'all' at the front of the list	unshift(@sections,'all'); # Put 'all' at the front of the list
if ($numsections < 4) {
$numvisible = $numsections + 1;	}
	foreach my $sec (@sections) {
	$section_sel .= " <option value=\"$sec\">$sec</option>\n";
	}

	if (&check_group_priv() eq 'ok') {
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
	@groups = sort {$a cmp $b} keys(%curr_groups);
	if (scalar(@groups) < 4) {
	$numgroupvis = scalar(@groups) + 1;
	}
	unshift(@groups,'all'); # Put 'all' at the front of the list
	} else {
	my @coursegroups = split(/:/,$env{'request.course.groups'});
	if (@coursegroups > 0) {
	@coursegroups = sort {$a cmp $b} @coursegroups;
	@groups = ('all',@coursegroups);
	if (scalar(@groups) < 4) {
	$numgroupvis = scalar(@groups) + 1;
	}
	} else {
	@groups = ('all');
	$numgroupvis = 1;
}	}
}	}
foreach (@sections) {	foreach my $group (@groups) {
$section_sel .= " <option value=\"$_\" />$_\n";	$group_sel .= " <option value=\"$group\">$group</option>\n";
}	}

my $function = &Apache::loncommon::get_users_function();	my $function = &Apache::loncommon::get_users_function();
my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',	my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg',
$ENV{'user.domain'});	$env{'user.domain'});
my $bodytag=&Apache::loncommon::bodytag('Discussion options',
'','');
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'diso' => 'Discussion sorting and filtering options',
'diop' => 'Display Options',	'diop' => 'Display Options',
'curr' => 'Current setting ',	'curr' => 'Current setting ',
'actn' => 'Action',	'actn' => 'Action',
Line 1815 sub print_sortfilter_options {	Line 2074 sub print_sortfilter_options {
'spur' => 'Specific user roles',	'spur' => 'Specific user roles',
'sprs' => 'Specific role status',	'sprs' => 'Specific role status',
'spse' => 'Specific sections',	'spse' => 'Specific sections',
	'spgr' => 'Specific groups',
'psub' => 'Pick specific users (by name)',	'psub' => 'Pick specific users (by name)',
'shal' => 'Show a list of current posters'	'shal' => 'Show a list of current posters',
	'stor' => 'Save changes',
);	);

my %sort_types = ();	my %sort_types = ();
my %role_types = ();	my %role_types = ();
my %status_types = ();	my %status_types = ();
&sort_filter_names(\%sort_types,\%role_types,\%status_types);	&sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);

$r->print(<<END);	my $js = <<END;
<html>
<head>
<title>$lt{'diso'}</title>
<meta http-equiv="pragma" content="no-cache" />
<script type="text/javascript">	<script type="text/javascript">
function verifyFilter() {	function verifyFilter() {
var rolenum = 0	var rolenum = 0
Line 1850 function verifyFilter() {	Line 2107 function verifyFilter() {
if (secnum == 0) {	if (secnum == 0) {
document.modifyshown.sectionpick.options[0].selected = true	document.modifyshown.sectionpick.options[0].selected = true
}	}

	var grpnum = 0
	for (var i=0; i<document.modifyshown.grouppick.length; i++) {
	if (document.modifyshown.grouppick.options[i].selected == true) {
	grpnum ++
	}
	}
	if (grpnum == 0) {
	document.modifyshown.grouppick.options[0].selected = true
	}

document.modifyshown.submit();	document.modifyshown.submit();
}	}
</script>	</script>
</head>	END
$bodytag
	my $start_page=
	&Apache::loncommon::start_page('Discussion options',$js);
	my $end_page=
	&Apache::loncommon::end_page();

	$r->print(<<END);
	$start_page
<form name="modifyshown" method="post" action="/adm/feedback">	<form name="modifyshown" method="post" action="/adm/feedback">
<b>$lt{'diso'}</b><br/> $lt{'prca'}	<b>$lt{'diso'}</b><br/> $lt{'prca'}
<br /><br />	<br /><br />
<table border="0">	<table border="0">
<tr>	<tr>
<td><b>$lt{'soor'}</b></td>	<th>$lt{'soor'}</th>
<td> </td>	<th> </th>
<td><b>$lt{'sprs'}</b></td>	<th>$lt{'sprs'}</th>
<td> </td>	<th> </th>
<td><b>$lt{'spur'}</b></td>	<th>$lt{'spur'}</th>
<td> </td>	<th> </th>
<td><b>$lt{'spse'}</b></td>	<th>$lt{'spse'}</th>
<td> </td>	<th> </th>
<td><b>$lt{'psub'}</b></td>	<th>$lt{'spgr'}</th>
	<th> </th>
	<th>$lt{'psub'}</th>
</tr>	</tr>
<tr>	<tr>
<td align="center">	<td align="center" valign="top">
<select name="sortposts">	<select name="sortposts">
<option value="ascdate" selected="selected" />$sort_types{'ascdate'}	<option value="ascdate" selected="selected">$sort_types{'ascdate'}</option>
<option value="descdate" />$sort_types{'descdate'}	<option value="descdate">$sort_types{'descdate'}</option>
<option value="thread" />$sort_types{'thread'}	<option value="thread">$sort_types{'thread'}</option>
<option value="subject" />$sort_types{'subject'}	<option value="subject">$sort_types{'subject'}</option>
<option value="username" />$sort_types{'username'}	<option value="username">$sort_types{'username'}</option>
<option value="lastfirst" />$sort_types{'lastfirst'}	<option value="lastfirst">$sort_types{'lastfirst'}</option>
</select>	</select>
</td>	</td>
<td> </td>	<td> </td>
<td align="center">	<td align="center" valign="top">
<select name="statusfilter">	<select name="statusfilter">
<option value="all" selected="selected" />$status_types{'all'}	<option value="all" selected="selected">$status_types{'all'}</option>
<option value="Active" />$status_types{'Active'}	<option value="Active">$status_types{'Active'}</option>
<option value="Expired" />$status_types{'Expired'}	<option value="Expired">$status_types{'Expired'}</option>
	<option value="Future">$status_types{'Future'}</option>
</select>	</select>
</td>	</td>
<td> </td>	<td> </td>
<td align="center">	<td align="center" valign="top">
<select name="rolefilter" multiple="true" size="5">	<select name="rolefilter" multiple="multiple" size="5">
<option value="all" />$role_types{'all'}	<option value="all">$role_types{'all'}</option>
<option value="st" />$role_types{'st'}	<option value="st">$role_types{'st'}</option>
<option value="cc" />$role_types{'cc'}	<option value="$ccrole">$role_types{$ccrole}</option>
<option value="in" />$role_types{'in'}	<option value="in">$role_types{'in'}</option>
<option value="ta" />$role_types{'ta'}	<option value="ta">$role_types{'ta'}</option>
<option value="ep" />$role_types{'ep'}	<option value="ep">$role_types{'ep'}</option>
<option value="ad" />$role_types{'ad'}	<option value="ad">$role_types{'ad'}</option>
<option value="cr" />$role_types{'cr'}	<option value="cr">$role_types{'cr'}</option>
</select>	</select>
</td>	</td>
<td> </td>	<td> </td>
<td align="center">	<td align="center" valign="top">
<select name="sectionpick" multiple="true" size="$numvisible">	<select name="sectionpick" multiple="multiple" size="$numvisible">
$section_sel	$section_sel
</select>	</select>
</td>	</td>
<td> </td>	<td> </td>
<td><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</td>	<td align="center" valign="top">
	<select name="grouppick" multiple="multiple" size="$numvisible">
	$group_sel
	</select>
	</td>
	<td> </td>
	<td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td>
</tr>	</tr>
</table>	</table>
<br />	<br />
<br />	<br />
<input type="hidden" name="previous" value="$previous" />	<input type="hidden" name="previous" value="$previous" />
<input type="hidden" name="applysort" value="$symb" />	<input type="hidden" name="applysort" value="$symb" />
<input type="button" name="sub" value="Store Changes" onClick="verifyFilter()" />	<input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
	END
	if (exists($env{'form.group'})) {
	$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
	}
	if (exists($env{'form.ref'})) {
	$r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />');
	}
	$r->print("
<br />	<br />
<br />	<br />
</form>	</form>
</body>	$end_page
</html>	");
END
}	}

sub print_showposters {	sub print_showposters {
my ($r,$symb,$previous,$feedurl,$sortposts) = @_;	my ($r,$symb,$previous,$feedurl,$sortposts) = @_;

	&Apache::loncommon::content_type($r,'text/html');
	$r->send_http_header;

&Apache::lonenc::check_encrypt(\$symb);	&Apache::lonenc::check_encrypt(\$symb);
my $crs='/'.$ENV{'request.course.id'};	my $crs='/'.$env{'request.course.id'};
if ($ENV{'request.course.sec'}) {	if ($env{'request.course.sec'}) {
$crs.='_'.$ENV{'request.course.sec'};	$crs.='_'.$env{'request.course.sec'};
}	}
$crs=~s/\_/\//g;	$crs=~s/\_/\//g;
my $seeid=&Apache::lonnet::allowed('rin',$crs);	my $seeid;
my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	my $group = $env{'form.group'};
	my $ressymb = &wrap_symb($symb);
	if (($group ne '') &&
	($ressymb =~ m\|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$\|)) {
	if (&check_group_priv($group,'dgp') eq 'ok') {
	$seeid = 1;
	}
	} else {
	$seeid=&Apache::lonnet::allowed('rin',$crs);
	}
	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
	$cdom,$cnum);
my %namesort = ();	my %namesort = ();
my %postcounts = ();	my %postcounts = ();
my %lt=&Apache::lonlocal::texthash(
'diso' => 'Discussion filtering options',	my %lt = &Apache::lonlocal::texthash(
);	sele => 'Select',
my $bodytag=&Apache::loncommon::bodytag('Discussion options',	full => 'Fullname',
'','');	usdo => 'Username:domain',
	post => 'Posts',
	);
if ($contrib{'version'}) {	if ($contrib{'version'}) {
for (my $idx=1;$idx<=$contrib{'version'};$idx++) {	for (my $idx=1;$idx<=$contrib{'version'};$idx++) {
my $hidden=($contrib{'hidden'}=~/\.$idx\./);	my $hidden=($contrib{'hidden'}=~/\.$idx\./);
my $deleted=($contrib{'deleted'}=~/\.$idx\./);	my $deleted=($contrib{'deleted'}=~/\.$idx\./);
unless ((($hidden) && (!$seeid)) \|\| ($deleted)) {	unless ((($hidden) && (!$seeid)) \|\| ($deleted)) {
if ((!$contrib{$idx.':anonymous'}) \|\| ($seeid)) {	if ((!$contrib{$idx.':anonymous'}) \|\| (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});	my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});
my $lastname = $names{'lastname'};	my $lastname = $names{'lastname'};
my $firstname = $names{'firstname'};	my $firstname = $names{'firstname'};
Line 1967 sub print_showposters {	Line 2274 sub print_showposters {
$postcounts{$poster} ++;	$postcounts{$poster} ++;
if (defined($namesort{$lastname}{$firstname})) {	if (defined($namesort{$lastname}{$firstname})) {
if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {	if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) {
push @{$namesort{$lastname}{$firstname}}, $poster;	push(@{$namesort{$lastname}{$firstname}}, $poster);
}	}
} else {	} else {
@{$namesort{$lastname}{$firstname}} = ("$poster");	@{$namesort{$lastname}{$firstname}} = ("$poster");
Line 1976 sub print_showposters {	Line 2283 sub print_showposters {
}	}
}	}
}	}

	my $start_page = &Apache::loncommon::start_page('Discussion options');
	my $table_start =&Apache::loncommon::start_data_table();
$r->print(<<END);	$r->print(<<END);
<html>	$start_page
<head>
<title>$lt{'diso'}</title>
<meta http-equiv="pragma" content="no-cache" />
</head>
$bodytag
<form name="pickpostersform" method="post">	<form name="pickpostersform" method="post">
<table border="0">	<br />
<tr>	$table_start
<td bgcolor="#777777">	<tr>
<table border="0" cellpadding="3">	<th>#</th>
<tr bgcolor="#e6ffff">	<th>$lt{'sele'}</th>
<td><b>No.</b></td>	<th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th>
<td><b>Select</b></td>	<th>$lt{'post'}</th>
<td><b>Fullname</b><font color="#999999">(Username/domain)</font></td>
<td><b>Posts</td>
</tr>	</tr>
END	END
my $count = 0;	my $count = 0;
foreach my $last (sort keys %namesort) {	foreach my $last (sort(keys(%namesort))) {
foreach my $first (sort keys %{$namesort{$last}}) {	foreach my $first (sort(keys(%{$namesort{$last}}))) {
foreach (sort @{$namesort{$last}{$first}}) {	foreach my $user (sort(@{$namesort{$last}{$first}})) {
my ($uname,$udom) = split/:/,$_;	my ($uname,$udom) = split(/:/,$user);
if (!$uname \|\| !$udom) {	if (!$uname \|\| !$udom) {
next;	next;
} else {	} else {
$count ++;	$count ++;
$r->print('<tr bgcolor="#ffffe6"><td align="right">'.$count.'</td><td align="center"><input name="stuinfo" type="checkbox" value="'.$_.'" /></td><td>'.$last.', '.$first.' ('.$uname.','.$udom.')</td><td>'.$postcounts{$_}.'</td></tr>');	$r->print(&Apache::loncommon::start_data_table_row().
	'<td align="right">'.$count.'</td>
	<td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td>
	<td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td>
	<td>'.$postcounts{$user}.'</td>'.
	&Apache::loncommon::end_data_table_row());
}	}
}	}
}	}
}	}
	$r->print(&Apache::loncommon::end_data_table());
	my $end_page = &Apache::loncommon::end_page();
$r->print(<<END);	$r->print(<<END);
</table>
</td>
</tr>
</table>
<br />	<br />
<input type="hidden" name="sortposts" value="$sortposts" />	<input type="hidden" name="sortposts" value="$sortposts" />
<input type="hidden" name="userpick" value="$symb" />	<input type="hidden" name="userpick" value="$symb" />
<input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" />	<input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" />
</form>	</form>
</body>	$end_page
</html>
END	END
}	}

Line 2028 sub get_post_versions {	Line 2333 sub get_post_versions {
my ($versions,$incoming,$htmldecode,$numver) = @_;	my ($versions,$incoming,$htmldecode,$numver) = @_;
if ($incoming =~ /^<version num="0">/) {	if ($incoming =~ /^<version num="0">/) {
my $p = HTML::LCParser->new(\$incoming);	my $p = HTML::LCParser->new(\$incoming);
my $done = 0;	my $done = 0;

while ( (my $token = $p->get_tag("version")) && (!$done)) {	while ( (my $token = $p->get_tag("version")) && (!$done)) {
my $num = $token->[1]{num};	my $num = $token->[1]{num};
my $text = $p->get_text("/version");	my $text = $p->get_text("/version");
Line 2085 sub get_post_attachments {	Line 2391 sub get_post_attachments {
return;	return;
}	}

sub fail_redirect {;	sub fail_redirect {
my ($r,$feedurl) = @_;	my ($r,$feedurl) = @_;
if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };	if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
$r->print (<<ENDFAILREDIR);	my %lt = &Apache::lonlocal::texthash(
<html>	'sorr' => 'Sorry, no recipients ...',
<head><title>Feedback not sent</title>	);
<meta http-equiv="pragma" content="no-cache" />	my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
<meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />	$r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
</head>	{'redirect' => [2,$feedurl],
<body bgcolor="#FFFFFF">	'only_body' => 1,}));
<img align="right" src="/adm/lonIcons/lonlogos.gif" />	$r->print(<<ENDFAILREDIR);
<b>Sorry, no recipients ...</b>	<img align="right" src="$logo" />
<br /><a href="$feedurl">Continue</a>	<b>$lt{'sorr'}</b>
</body>
</html>
ENDFAILREDIR	ENDFAILREDIR
	$r->print(&Apache::loncommon::end_page());
}	}

sub redirect_back {	sub redirect_back {
my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$numpicks) = @_;	my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_;
my $sorttag = '';	my $sorttag = '';
my $roletag = '';	my $roletag = '';
my $statustag = '';	my $statustag = '';
my $sectag = '';	my $sectag = '';
	my $grptag = '';
my $userpicktag = '';	my $userpicktag = '';
my $qrystr = '';	my $qrystr = '';
my $prevtag = '';	my $prevtag = '';

&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;	$r->send_http_header;

&dewrapper(\$feedurl);	&dewrapper(\$feedurl);
if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };	if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
if ($previous > 0) {	if ($previous > 0) {
$qrystr = 'previous='.$previous;	$qrystr = 'previous='.$previous;
if ($feedurl =~ /\?register=1/) {	if ($feedurl =~ /\?register=1/) {
$feedurl .= '&'.$qrystr;	$feedurl .= '&'.$qrystr;
} else {	} else {
$feedurl .= '?'.$qrystr;	$feedurl .= '?'.$qrystr;
}	}
Line 2130 sub redirect_back {	Line 2435 sub redirect_back {
if (defined($sort)) {	if (defined($sort)) {
my $sortqry = 'sortposts='.$sort;	my $sortqry = 'sortposts='.$sort;
if (($feedurl =~ /\?register=1/) \|\| ($feedurl =~ /\?previous=/)) {	if (($feedurl =~ /\?register=1/) \|\| ($feedurl =~ /\?previous=/)) {
$feedurl .= '&'.$sortqry;	$feedurl .= '&'.$sortqry;
} else {	} else {
$feedurl .= '?'.$sortqry;	$feedurl .= '?'.$sortqry;
}	}
$sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';	$sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />';
if (defined($numpicks)) {	if (defined($numpicks)) {
my $userpickqry = 'totposters='.$numpicks;	my $userpickqry = 'totposters='.$numpicks;
$feedurl .= '&'.$userpickqry;	$feedurl .= '&'.$userpickqry;
$userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';	$userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />';
} else {	} else {
if (ref($sectionpick) eq 'ARRAY') {	if (ref($sectionpick) eq 'ARRAY') {
$feedurl .= '&sectionpick=';	$feedurl .= '&sectionpick=';
$sectag .= '<input type="hidden" name="sectionpick" value="';	$sectag .= '<input type="hidden" name="sectionpick" value="';
foreach (@{$sectionpick}) {	foreach my $sec (@{$sectionpick}) {
$feedurl .= $_.',';	$feedurl .= $sec.',';
$sectag .= $_.',';	$sectag .= $sec.',';
}	}
$feedurl =~ s/,$//;	$feedurl =~ s/,$//;
$sectag =~ s/,$//;	$sectag =~ s/,$//;
$sectag .= '" />';	$sectag .= '" />';
} else {	} else {
$feedurl .= '&sectionpick='.$sectionpick;	$feedurl .= '&sectionpick='.$sectionpick;
$sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';	$sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />';
}	}
	if (ref($grouppick) eq 'ARRAY') {
	$feedurl .= '&grouppick=';
	$sectag .= '<input type="hidden" name="grouppick" value="';
	foreach my $grp (@{$grouppick}) {
	$feedurl .= $grp.',';
	$grptag .= $grp.',';
	}
	$feedurl =~ s/,$//;
	$grptag =~ s/,$//;
	$grptag .= '" />';
	} else {
	$feedurl .= '&grouppick='.$grouppick;
	$grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />';
	}
if (ref($rolefilter) eq 'ARRAY') {	if (ref($rolefilter) eq 'ARRAY') {
$feedurl .= '&rolefilter=';	$feedurl .= '&rolefilter=';
$roletag .= '<input type="hidden" name="rolefilter" value="';	$roletag .= '<input type="hidden" name="rolefilter" value="';
foreach (@{$rolefilter}) {	foreach my $role (@{$rolefilter}) {
$feedurl .= $_.',';	$feedurl .= $role.',';
$roletag .= $_.',';	$roletag .= $role.',';
}	}
$feedurl =~ s/,$//;	$feedurl =~ s/,$//;
$roletag =~ s/,$//;	$roletag =~ s/,$//;
$roletag .= '" />';	$roletag .= '" />';
} else {	} else {
$feedurl .= '&rolefilter='.$rolefilter;	$feedurl .= '&rolefilter='.$rolefilter;
$roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';	$roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />';
}	}
$feedurl .= '&statusfilter='.$statusfilter;	$feedurl .= '&statusfilter='.$statusfilter;
$statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';	$statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />';
}	}
}	}
$feedurl=&Apache::lonenc::check_encrypt($feedurl);	my $grouptag;
$r->print (<<ENDREDIR);	if ($group ne '') {
<html>	$grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
<head>	my $refarg;
<title>Feedback sent</title>	if (exists($env{'form.ref'})) {
<meta http-equiv="pragma" content="no-cache" />	$refarg = '&ref='.$env{'form.ref'};
<meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />	$grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
</head>	}
<body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>	if ($feedurl =~ /\?/) {
<img align="right" src="/adm/lonIcons/lonlogos.gif" />	$feedurl .= '&group='.$group.$refarg;
	} else {
	$feedurl .= '?group='.$group.$refarg;
	}
	}
	&Apache::lonenc::check_encrypt(\$feedurl);
	my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
	my %onload;
	if ($env{'environment.remote'} ne 'off') {
	$onload{'onload'} =
	"if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
	}
	my $start_page=
	&Apache::loncommon::start_page('Feedback sent',undef,
	{'redirect' => [0,$feedurl],
	'only_body' => 1,
	'add_entries' => \%onload});
	my $end_page = &Apache::loncommon::end_page();
	$r->print(<<ENDREDIR);
	$start_page
	<img align="right" src="$logo" />
$typestyle	$typestyle
<b>Sent $sendsomething message(s), and $sendposts post(s).</b>	<b>Sent $sendsomething message(s), and $sendposts post(s).</b>
	$blog
	$toolarge
<font color="red">$status</font>	<font color="red">$status</font>
<form name="reldt" action="$feedurl" target="loncapaclient">	<form name="reldt" action="$feedurl" target="loncapaclient">
$prevtag	$prevtag
Line 2191 $sorttag	Line 2532 $sorttag
$statustag	$statustag
$roletag	$roletag
$sectag	$sectag
	$grptag
$userpicktag	$userpicktag
	$grouptag
</form>	</form>
<br /><a href="$feedurl">Continue</a>	$end_page
</body>
</html>
ENDREDIR	ENDREDIR
}	}

sub no_redirect_back {	sub no_redirect_back {
my ($r,$feedurl) = @_;	my ($r,$feedurl) = @_;
my $nofeed=&mt('Sorry, no feedback possible on this resource ...');	my $nofeed=&mt('Sorry, no feedback possible on this resource ...');
my $continue=&mt('Continue');
$r->print (<<ENDNOREDIR);	my %onload;
<html>	if ($env{'environment.remote'} ne 'off') {
<head><title>Feedback not sent</title>	$onload{'onload'} =
<meta http-equiv="pragma" content="no-cache" />	"if (window.name!='loncapaclient') { self.window.close(); }";
ENDNOREDIR	}

if ($feedurl!~/^\/adm\/feedback/) {	my %body_options = ('only_body' => 1,
$r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='.	'bgcolor' => '#FFFFFF',
&Apache::lonenc::check_encrypt($feedurl).'">');	'add_entries' => \%onload,);

	if ($feedurl !~ m{^/adm/feedback}) {
	$body_options{'rediect'} = [2,$feedurl];
}	}
$feedurl=&Apache::lonenc::check_encrypt($feedurl);	my $start_page=
	&Apache::loncommon::start_page('Feedback not sent',undef,
	\%body_options);

	my $end_page = &Apache::loncommon::end_page();

	&Apache::lonenc::check_encrypt(\$feedurl);
	my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
$r->print (<<ENDNOREDIRTWO);	$r->print (<<ENDNOREDIRTWO);
</head>	$start_page
<body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'>	<img align="right" src="$logo" />
<img align="right" src="/adm/lonIcons/lonlogos.gif" />
<b>$nofeed</b>	<b>$nofeed</b>
<br /><a href="$feedurl">$continue</a>	<br />
</body>	$end_page
</html>
ENDNOREDIRTWO	ENDNOREDIRTWO
}	}

sub screen_header {	sub screen_header {
my ($feedurl,$symb) = @_;	my ($feedurl,$symb) = @_;
	my $crscontent = &mt('Question/Comment/Feedback about course content');
	my $crspolicy = &mt('Question/Comment/Feedback about course policy');
	my $contribdisc = &mt('Contribution to course discussion of resource');
	my $anoncontrib = &mt('Anonymous contribution to course discussion of resource');
	my $namevis = &mt('name only visible to course faculty');
	my $crstype;
	if ($env{'request.course.id'}) {
	$crstype = &Apache::loncommon::course_type();
	if ($crstype eq 'Community') {
	$crscontent = &mt('Question/Comment/Feedback about community content');
	$crspolicy = &mt('Question/Comment/Feedback about community policy');
	$contribdisc = &mt('Contribution to community discussion of resource');
	$anoncontrib = &mt('Anonymous contribution to community discussion of resource');
	$namevis = &mt('name only visible to community facilitators');
	}
	}
my $msgoptions='';	my $msgoptions='';
my $discussoptions='';	my $discussoptions='';
unless (($ENV{'form.replydisc'}) \|\| ($ENV{'form.editdisc'})) {	unless (($env{'form.replydisc'}) \|\| ($env{'form.editdisc'})) {
if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/)) {	if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
$msgoptions=	$msgoptions=
'<p><input type="checkbox" name="author" /> '.	'<p><label><input type="radio" name="discuss" value="author" /> '.
&mt('Feedback to resource author').'</p>';	&mt('Feedback to resource author').'</label></p>';
	}
	my %optionhash=();
	foreach my $type ('question','comment','policy') {
	$optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'};
}	}
if (&feedback_available(1)) {	if (&feedback_available(1)) {
$msgoptions.=	$msgoptions.=
'<br /><input type="checkbox" name="question" /> '.	'<p><label><input type="radio" name="discuss" value="question" /> '.
&mt('Question about resource content');	($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';
}	}
if (&feedback_available(0,1)) {	if (&feedback_available(0,1)) {
$msgoptions.=	$msgoptions.=
'<br /><input type="checkbox" name="course" /> '.	'<p><label><input type="radio" name="discuss" value="course" /> '.
&mt('Question/Comment/Feedback about course content');	($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
	'</label></p>';
}	}
if (&feedback_available(0,0,1)) {	if (&feedback_available(0,0,1)) {
$msgoptions.=	$msgoptions.=
'<br /><input type="checkbox" name="policy" /> '.	'<p><label><input type="radio" name="discuss" value="policy" /> '.
&mt('Question/Comment/Feedback about course policy');	($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
	'</label></p>';
}	}
}	}
if ($ENV{'request.course.id'}) {	if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
if (&discussion_open(undef,$symb) &&	my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
	if (!$blocked && &discussion_open(undef,$symb) &&
&Apache::lonnet::allowed('pch',	&Apache::lonnet::allowed('pch',
$ENV{'request.course.id'}.	$env{'request.course.id'}.
($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {	($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
$discussoptions='<input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '.	$discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
($ENV{'form.replydisc'}?' checked="1"':'').' /> '.	$contribdisc.
&mt('Contribution to course discussion of resource');	'</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
$discussoptions.='<br /><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '.	$anoncontrib.
&mt('Anonymous contribution to course discussion of resource').	' <i>('.$namevis.')</i></label> '.
' <i>('.&mt('name only visible to course faculty').')</i>';	'<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
	my $blockblog = &Apache::loncommon::blocking_status('blogs');
	if (!$blockblog) {
	$discussoptions.= &add_blog_checkbox($crstype);
	}
}	}
}	}
if ($msgoptions) { $msgoptions='<h2><img src="/adm/lonMisc/feedback.gif" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }	if ($msgoptions) {
	$msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />'
	.' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>'
	.$msgoptions;
	}
if ($discussoptions) {	if ($discussoptions) {
$discussoptions='<h2><img src="/adm/lonMisc/chat.gif" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }	$discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
	.' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>'
	.$discussoptions;
	}
return $msgoptions.$discussoptions;	return $msgoptions.$discussoptions;
}	}

Line 2284 sub resource_output {	Line 2667 sub resource_output {
}	}

sub clear_out_html {	sub clear_out_html {
my ($message,$override)=@_;	my ($message,$override,$ignore_htmlarea)=@_;
unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }	if (!$ignore_htmlarea
	&& !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
# Always allow the <m>-tag	# Always allow the <m>-tag
my %html=(M=>1);	my %html=(M=>1);
# Check if more is allowed	# Check if more is allowed
my $cid=$ENV{'request.course.id'};	my $cid=$env{'request.course.id'};
if (($ENV{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) \|\|	if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) \|\|
($override)) {	($override)) {
# allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>	# allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG>
# <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>	# <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB>
# <SUP>	# <SUP> <TABLE> <TR> <TD> <TH> <TBODY>
%html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,	%html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1,
BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,	BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1,
M=>1, SUB=>1, SUP=>1, SPAN=>1,	M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,
H1=>1, H2=>1, H3=>1, H4=>1, H5=>1);	H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1,
	TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1);
}	}
# Do the substitution of everything that is not explicitly allowed	# Do the substitution of everything that is not explicitly allowed
$message =~ s/\<(\/?\s(\w+)[^\>\<])/	$message =~ s/\<(\/?\s(\w+)[^\>\<])/
Line 2309 sub clear_out_html {	Line 2694 sub clear_out_html {
}	}

sub assemble_email {	sub assemble_email {
my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_;	my ($message,$prevattempts,$usersaw,$useranswer)=@_;
	my %lt = &Apache::lonlocal::texthash(
	'prev' => 'Previous attempts of student (if applicable)',
	'orig' => 'Original screen output (if applicable)',
	'corr' => 'Correct Answer(s) (if applicable)',
	);
	if (&Apache::loncommon::course_type() eq 'Community') {
	$lt{'prev'} = &mt('Previous attempts of member (if applicable)');
	}
my $email=<<"ENDEMAIL";	my $email=<<"ENDEMAIL";
$message	$message
ENDEMAIL	ENDEMAIL
my $citations=<<"ENDCITE";	my $citations=<<"ENDCITE";
<h2>Previous attempts of student (if applicable)</h2>	<h2>$lt{'prev'}</h2>
$prevattempts	$prevattempts
<br /><hr />	<br /><hr />
<h2>Original screen output (if applicable)</h2>	<h2>$lt{'orig'}</h2>
$usersaw	$usersaw
<h2>Correct Answer(s) (if applicable)</h2>	<h2>$lt{'corr'}</h2>
$useranswer	$useranswer
ENDCITE	ENDCITE
return ($email,$citations);	return ($email,$citations);
}	}

sub secapply {
my $rec=shift;
my $defaultflag=shift;
$rec=~s/\s+//g;
$rec=~s/\@/\:/g;
my ($adr,$sections)=($rec=~/^([^$]+)\(([^$]+)\)/);
if ($sections) {
foreach (split(/\;/,$sections)) {
if (($_ eq $ENV{'request.course.sec'}) \|\|
($defaultflag && ($_ eq '*'))) {
return $adr;
}
}
} else {
return $rec;
}
return '';
}

sub decide_receiver {
my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_;
my $typestyle='';
my %to=();
if ($ENV{'form.author'}\|\|$author) {
$typestyle.='Submitting as Author Feedback<br>';
$feedurl=~/^\/res\/(\w+)\/(\w+)\//;
$to{$2.':'.$1}=1;
}
if ($ENV{'form.question'}\|\|$question) {
$typestyle.='Submitting as Question<br>';
foreach (split(/\,/,
$ENV{'course.'.$ENV{'request.course.id'}.'.question.email'})
) {
my $rec=&secapply($_,$defaultflag);
if ($rec) { $to{$rec}=1; }
}
}
if ($ENV{'form.course'}\|\|$course) {
$typestyle.='Submitting as Comment<br />';
foreach (split(/\,/,
$ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'})
) {
my $rec=&secapply($_,$defaultflag);
if ($rec) { $to{$rec}=1; }
}
}
if ($ENV{'form.policy'}\|\|$policy) {
$typestyle.='Submitting as Policy Feedback<br />';
foreach (split(/\,/,
$ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'})
) {
my $rec=&secapply($_,$defaultflag);
if ($rec) { $to{$rec}=1; }
}
}
if ((scalar(%to) eq '0') && (!$defaultflag)) {
($typestyle,%to)=
&decide_receiver($feedurl,$author,$question,$course,$policy,1);
}
return ($typestyle,%to);
}

sub feedback_available {	sub feedback_available {
my ($question,$course,$policy)=@_;	my ($question,$course,$policy)=@_;
my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy);	my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question,
	$course,$policy);
return scalar(%to);	return scalar(%to);
}	}

sub send_msg {	sub send_msg {
my ($feedurl,$email,$citations,$attachmenturl,%to)=@_;	my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
my $status='';	my $status='';
my $sendsomething=0;	my $sendsomething=0;
foreach (keys %to) {	my $restitle = &get_resource_title($symb,$feedurl);
if ($_) {	if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
my $declutter=&Apache::lonnet::declutter($feedurl);	unless ($title=~/\w/) { $title=&mt('Feedback'); }
unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_),	foreach my $key (keys(%to)) {
'Feedback ['.$declutter.']',$email,$citations,$feedurl,	if ($key) {
$attachmenturl)=~/ok/) {	my ($user,$domain) = split(/\:/,$key,2);
$status.='<br />'.&mt('Error sending message to').' '.$_.'<br />';	if (!defined($user)) {
} else {	$status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
$sendsomething++;	} elsif (!defined($domain)) {
}	$status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
	} else {
	unless (&Apache::lonmsg::user_normal_msg($user,$domain,
	$title.' ['.$restitle.']',$email,$citations,$feedurl,
	$attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {
	$status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';
	} else {
	$sendsomething++;
	}
	}
	}
}	}
}

my %record=&Apache::lonnet::restore('_feedback');	my %record=&Apache::lonnet::restore('_feedback');
my ($temp)=keys %record;	my ($temp)=keys(%record);
unless ($temp=~/^error\:/) {	unless ($temp=~/^error\:/) {
my %newrecord=();	my %newrecord=();
$newrecord{'resource'}=$feedurl;	$newrecord{'resource'}=$feedurl;
$newrecord{'subnumber'}=$record{'subnumber'}+1;	$newrecord{'subnumber'}=$record{'subnumber'}+1;
unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {	unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
$status.='<br />'.&mt('Not registered').'<br />';	$status.='<br />'.&mt('Not registered').'<br />';
}	}
}	}

return ($status,$sendsomething);	return ($status,$sendsomething);
}	}

sub adddiscuss {	sub adddiscuss {
Line 2434 sub adddiscuss {	Line 2777 sub adddiscuss {
$realsymb=&Apache::lonnet::symbread($filename);	$realsymb=&Apache::lonnet::symbread($filename);
}	}
if (&discussion_open(undef,$realsymb) &&	if (&discussion_open(undef,$realsymb) &&
&Apache::lonnet::allowed('pch',$ENV{'request.course.id'}.	&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
($ENV{'request.course.sec'}?'/'.$ENV{'request.course.sec'}:''))) {	($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {

my %contrib=('message' => $email,	my %contrib=('message' => $email,
'sendername' => $ENV{'user.name'},	'sendername' => $env{'user.name'},
'senderdomain' => $ENV{'user.domain'},	'senderdomain' => $env{'user.domain'},
'screenname' => $ENV{'environment.screenname'},	'screenname' => $env{'environment.screenname'},
'plainname' => $ENV{'environment.firstname'}.' '.	'plainname' => $env{'environment.firstname'}.' '.
$ENV{'environment.middlename'}.' '.	$env{'environment.middlename'}.' '.
$ENV{'environment.lastname'}.' '.	$env{'environment.lastname'}.' '.
$ENV{'enrironment.generation'},	$env{'enrironment.generation'},
'attachmenturl'=> $attachmenturl,	'attachmenturl'=> $attachmenturl,
'subject' => $subject);	'subject' => $subject);
if ($ENV{'form.replydisc'}) {	if ($env{'form.replydisc'}) {
$contrib{'replyto'}=(split(/\:\:\:/,$ENV{'form.replydisc'}))[1];	$contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1];
}	}
if ($anon) {	if ($anon) {
$contrib{'anonymous'}='true';	$contrib{'anonymous'}='true';
}	}
if (($symb) && ($email)) {	if (($symb) && ($email)) {
if ($ENV{'form.editdisc'}) {	my $now = time;
my %newcontrib = ();	if ($env{'form.editdisc'}) {
$contrib{'ip'}=$ENV{'REMOTE_ADDR'};	$contrib{'ip'}=$ENV{'REMOTE_ADDR'};
$contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};	$contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'};
$contrib{'timestamp'} = time;	$contrib{'timestamp'} = $now;
$contrib{'history'} = '';	$contrib{'history'} = '';
my $numoldver = 0;	my $numoldver = 0;
my ($oldsymb,$oldidx)=split(/\:\:\:/,$ENV{'form.editdisc'});	my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'});
&Apache::lonenc::check_decrypt(\$oldsymb);	&Apache::lonenc::check_decrypt(\$oldsymb);
$oldsymb=~s\|(bulletin___\d+___)adm/wrapper/\|$1\|;	$oldsymb=~s\|(bulletin___\d+___)adm/wrapper/\|$1\|;
# get timestamp for last post and history	# get timestamp for last post and history
my %oldcontrib=&Apache::lonnet::restore($oldsymb,$ENV{'request.course.id'},	my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'},
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
if (defined($oldcontrib{$oldidx.':replyto'})) {	if (defined($oldcontrib{$oldidx.':replyto'})) {
$contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};	$contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'};
}	}
if (defined($oldcontrib{$oldidx.':history'})) {	if (defined($oldcontrib{$oldidx.':history'})) {
if ($oldcontrib{$oldidx.':history'} =~ /:/) {	if ($oldcontrib{$oldidx.':history'} =~ /:/) {
my @oldversions = split/:/,$oldcontrib{$oldidx.':history'};	my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'});
$numoldver = @oldversions;	$numoldver = @oldversions;
} else {	} else {
$numoldver = 1;	$numoldver = 1;
Line 2498 sub adddiscuss {	Line 2841 sub adddiscuss {
}	}
}	}
$contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};	$contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'};
foreach (keys %contrib) {	my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'},
my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_;	$oldsymb,$oldidx,\%contrib,
$newcontrib{$key} = $contrib{$_};	$env{'course.'.$env{'request.course.id'}.'.domain'},
}	$env{'course.'.$env{'request.course.id'}.'.num'});
my $put_reply = &Apache::lonnet::putstore($ENV{'request.course.id'},
\%newcontrib,
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
$status='Editing class discussion'.($anon?' (anonymous)':'');	$status='Editing class discussion'.($anon?' (anonymous)':'');
} else {	} else {
$status='Adding to class discussion'.($anon?' (anonymous)':'').': '.	$status='Adding to class discussion'.($anon?' (anonymous)':'').': '.
&Apache::lonnet::store(\%contrib,$symb,$ENV{'request.course.id'},	&Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'},
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
}	}
my %storenewentry=($symb => time);	my %storenewentry=($symb => $now);
$status.='<br />'.&mt('Updating discussion time').': '.	$status.='<br />'.&mt('Updating discussion time').': '.
&Apache::lonnet::put('discussiontimes',\%storenewentry,	&Apache::lonnet::put('discussiontimes',\%storenewentry,
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
}	}
my %record=&Apache::lonnet::restore('_discussion');	my %record=&Apache::lonnet::restore('_discussion');
my ($temp)=keys %record;	my ($temp)=keys(%record);
unless ($temp=~/^error\:/) {	unless ($temp=~/^error\:/) {
my %newrecord=();	my %newrecord=();
$newrecord{'resource'}=$symb;	$newrecord{'resource'}=$symb;
Line 2534 sub adddiscuss {	Line 2873 sub adddiscuss {
return $status.'<br />';	return $status.'<br />';
}	}

	sub get_discussion_info {
	my ($idx,%contrib) = @_;
	my $changelast = 0;
	my $count = 0;
	my $hiddenflag = 0;
	my $deletedflag = 0;
	my ($hidden,$deleted,%info,$newlastdisc);
	my $version = $contrib{'version'};
	if ($version) {
	for (my $id=$version; $id>0; $id--) {
	my $vkeys=$contrib{$id.':keys'};
	my @keys=split(/:/,$vkeys);
	if (grep(/^hidden$/,@keys)) {
	if (!$hiddenflag) {
	$hidden = $contrib{$id.':hidden'};
	$hiddenflag = 1;
	}
	} elsif (grep(/^deleted$/,@keys)) {
	if (!$deletedflag) {
	$deleted = $contrib{$id.':deleted'};
	$deletedflag = 1;
	}
	} else {
	if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) {
	$count++;
	$info{$count}{'id'} = $id;
	$info{$count}{'timestamp'}=$contrib{$id.':timestamp'};
	}
	}
	}
	if ($info{'1'}{'id'} == $idx) {
	$changelast = 1;
	if ($count > 1) {
	$newlastdisc = $info{'2'}{'timestamp'};
	} else {
	$newlastdisc = 0;
	}
	}
	}
	return ($changelast,$newlastdisc);
	}

# ----------------------------------------------------------- Preview function	# ----------------------------------------------------------- Preview function

sub show_preview {	sub show_preview {
my $r=shift;	my ($r) = @_;
&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;	$r->send_http_header;
my $message=&clear_out_html($ENV{'form.comment'});	my $start_page=
$message=~s/\n/\<br \/\>/g;	&Apache::loncommon::start_page('Preview',undef,
	{'only_body' => 1,});

	my $message=&clear_out_html($env{'form.comment'});
	&newline_to_br(\$message);
$message=&Apache::lonspeller::markeduptext($message);	$message=&Apache::lonspeller::markeduptext($message);
$message=&Apache::lontexconvert::msgtexconverted($message);	$message=&Apache::lontexconvert::msgtexconverted($message);
my $subject=&clear_out_html($ENV{'form.subject'});	my $subject=&clear_out_html($env{'form.subject'},undef,1);
$subject=~s/\n/\<br \/\>/g;	$subject=~s/\n/\<br \/\>/g;
$subject=&Apache::lontexconvert::msgtexconverted($subject);	$subject=&Apache::lontexconvert::msgtexconverted($subject);
$r->print('<table border="2"><tr><td>'.
'<b>Subject:</b> '.$subject.'<br /><br />'.	my $end_page = &Apache::loncommon::end_page();
$message.'</td></tr></table>');
	$r->print($start_page
	.'<h1>'.&mt('Preview').'</h1>'
	.&Apache::lonhtmlcommon::start_pick_box()
	.&Apache::lonhtmlcommon::row_title(&mt('Subject'))
	.$subject
	.&Apache::lonhtmlcommon::row_closure()
	.&Apache::lonhtmlcommon::row_title(&mt('Message'))
	.$message
	.&Apache::lonhtmlcommon::row_closure(1)
	.&Apache::lonhtmlcommon::end_pick_box()
	.$end_page
	);
	}

	sub contains_block_html {
	my ($message)=@_;
	return ($message =~ m/
	<(br\|h1\|h2\|h3\|h4\|h5\|h6\|p\|ol\|ul\|table\|pre\|address\|blockquote\|center\|div)
	[\s]*
	([\w]+\=['"][\w]+['"])*
	[\s]*
	(
	[\s]*[\/]>\|
	>.<\/\1[\s]>
	)/xs );
	}

	sub tidy_html {
	my ($message)=@_;
	# my $tidy = HTML::Tidy::libXML->new();
	# my $xhtml = $tidy->clean($message, 'utf-8', 1);
	# $xhtml =~ m/<body>(.*)<\/body>/is;
	# my $clean = $1;
	# # remove any empty block-level tags
	# $clean =~ s/<(table\|p\|div\|tbody\|blockquote\|m\|pre\|algebra\|center\|ol\|ul\|span\|h1\|h2\|h3\|h4\|h5\|h6)\s*\/>//i;
	# $message=$clean;
	return $message;
	}

	sub newline_to_br {
	my ($message)=@_;
	my $newmessage;
	my $parser=HTML::LCParser->new($message);
	while (my $token=$parser->get_token()) {
	if ($token->[0] eq 'T') {
	my $text=$token->[1];
	$text=~s/\n/\<br \/\>/g;
	$newmessage.=$text;
	} elsif ($token->[0] eq 'D' \|\| $token->[0] eq 'C') {
	$newmessage.=$token->[1];
	} elsif ($token->[0] eq 'PI' \|\| $token->[0] eq 'E') {
	$newmessage.=$token->[2];
	} elsif ($token->[0] eq 'S') {
	$newmessage.=$token->[4];
	}

	}
	$$message=$newmessage;
}	}

sub generate_preview_button {	sub generate_preview_button {
	my ($formname,$fieldname)=@_;
	unless ($formname) { $formname='mailform'; }
	unless ($fieldname) { $fieldname='comment'; }
my $pre=&mt("Show Preview and Check Spelling");	my $pre=&mt("Show Preview and Check Spelling");
return(<<ENDPREVIEW);	return(<<ENDPREVIEW);
	<br />
<form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">	<form name="preview" action="/adm/feedback?preview=1" method="post" target="preview">
<input type="hidden" name="subject">	<input type="hidden" name="subject" />
<input type="hidden" name="comment" />	<input type="hidden" name="comment" />
<input type="button" value="$pre"	<input type="button" value="$pre"
onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=document.mailform.comment.value;this.form.subject.value=document.mailform.subject.value;this.form.submit();" />	onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />
</form>	</form>
ENDPREVIEW	ENDPREVIEW
}	}

sub modify_attachments {	sub modify_attachments {
my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_;	my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls,
my $orig_subject = &Apache::lonnet::unescape($ENV{'form.subject'});	$attachmaxtext,$toolarge)=@_;
my $subject=&clear_out_html($orig_subject);
	my %lt = &Apache::lonlocal::texthash(
	'subj' => 'Subject',
	'thfo' => 'The following attachments were part of the most recent saved version of this posting.',
	'chth' => 'Check the checkboxes for any you wish to remove.',
	'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
	'adda' => 'Add a new attachment to this post.',
	'stch' => 'Save Changes',
	);
	my $js = <<END;
	<script type="text/javascript">
	function setAction () {
	document.modattachments.action = document.modattachments.origpage.value;
	document.modattachments.submit();
	}
	</script>
	END

	# Breadcrumbs
	my $brcrum = [{'href' => '',
	'text' => 'Discussion Post Attachments'}];
	my $start_page =
	&Apache::loncommon::start_page('Discussion Post Attachments',$js,
	{'bread_crumbs' => $brcrum,});

	my $orig_subject = &unescape($env{'form.subject'});
	my $subject=&clear_out_html($orig_subject,undef,1);
$subject=~s/\n/\<br \/\>/g;	$subject=~s/\n/\<br \/\>/g;
$subject=&Apache::lontexconvert::msgtexconverted($subject);	$subject=&Apache::lontexconvert::msgtexconverted($subject);
my $timestamp=$ENV{'form.timestamp'};	my $timestamp=$env{'form.timestamp'};
my $numoldver=$ENV{'form.numoldver'};	my $numoldver=$env{'form.numoldver'};
my $bodytag=&Apache::loncommon::bodytag('Discussion Post Attachments',
'','');
my $msg = '';	my $msg = '';
my %attachments = ();	my %attachments = ();
my %currattach = ();	my %currattach = ();
Line 2581 sub modify_attachments {	Line 3053 sub modify_attachments {
&extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);	&extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold);
}	}
&Apache::lonenc::check_encrypt(\$symb);	&Apache::lonenc::check_encrypt(\$symb);

	my $end_page =
	&Apache::loncommon::end_page();

$r->print(<<END);	$r->print(<<END);
<html>	$start_page
<head>	$toolarge
<title>Managing Attachments</title>
<script>
function setAction () {
document.modattachments.action = document.modattachments.origpage.value;
document.modattachments.submit();
}
</script>
</head>
$bodytag
<form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">	<form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
<table border="2">	<br />
	<table class="LC_data_table">
<tr>	<tr>
<td>	<td colspan="2">
<b>Subject:</b> $subject</b><br /><br />	<b>Subject:</b> <b>$subject</b><br /><br />
END	END
if ($idx) {	if ($idx) {
if ($attachmenturls) {	if ($attachmenturls) {
my @currold = keys %currattach;	my @currold = keys(%currattach);
if (@currold > 0) {	if (@currold > 0) {
$r->print("The following attachments were part of the most recent saved version of this posting.<br />Check the checkboxes for any you wish to remove<br />\n");	$r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
foreach my $id (@currold) {	foreach my $id (@currold) {
my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});	my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
$attachurl =~ m#/([^/]+)$#;	$attachurl =~ m#/([^/]+)$#;
$r->print('<input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'<br />'."\n");	$r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
}	}
$r->print("<br />");	$r->print("<br />");
}	}
}	}
}	}
if (@{$currnewattach} > 0) {	if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
$r->print("The following attachments have been uploaded for inclusion with this posting.<br />Check the checkboxes for any you wish to remove<br />\n");	$r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");
foreach (@{$currnewattach}) {	foreach my $attach (@{$currnewattach}) {
$_ =~ m#/([^/]+)$#;	$attach =~ m#/([^/]+)$#;
$r->print('<input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'<br />'."\n");	$r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
}	}
$r->print("<br />");	$r->print("<br />");
}	}
$r->print(<<END);	$r->print(<<END);
Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />	</td></tr>
	<tr>
	<td>
	$lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" />
</td>	</td>
</tr>	</tr>
	<tr>
	<td colspan="2">$attachmaxtext</td>
	</tr>
</table>	</table>
<input type="hidden" name="subject" value="$ENV{'form.subject'}" />	<input type="hidden" name="subject" value="$env{'form.subject'}" />
<input type="hidden" name="comment" value="$ENV{'form.comment'}" />	<input type="hidden" name="comment" value="$env{'form.comment'}" />
<input type="hidden" name="timestamp" value="$ENV{'form.timestamp'}" />	<input type="hidden" name="timestamp" value="$env{'form.timestamp'}" />
<input type="hidden" name="idx" value="$ENV{'form.idx'}" />	<input type="hidden" name="idx" value="$env{'form.idx'}" />
<input type="hidden" name="numoldver" value="$ENV{'form.numoldver'}" />	<input type="hidden" name="numoldver" value="$env{'form.numoldver'}" />
<input type="hidden" name="origpage" value="$ENV{'form.origpage'}" />	<input type="hidden" name="origpage" value="$env{'form.origpage'}" />
<input type="hidden" name="anondiscuss" value="$ENV{'form.anondiscuss'}" />	<input type="hidden" name="blog" value="$env{'form.blog'}" />
<input type="hidden" name="discuss" value="$ENV{'form.discuss'}" />	<input type="hidden" name="discuss" value="$env{'form.discuss'}" />
END	END
foreach (@{$currnewattach}) {	foreach my $item (@{$currnewattach}) {
$r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n");	$r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n");
}	}
foreach (@{$currdelold}) {	foreach my $item (@{$currdelold}) {
$r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n");	$r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
}	}
$r->print(<<END);	$r->print(<<END);
<input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/>	<input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
</form>	</form>
</body>	$end_page
</html>
END	END
return;	return;
}	}

sub process_attachments {	sub process_attachments {
my ($currnewattach,$currdelold,$keepold) = @_;	my ($currnewattach,$currdelold,$keepold) = @_;
if (exists($ENV{'form.currnewattach'})) {
if (ref($ENV{'form.currnewattach'}) eq 'ARRAY') {	@{$currnewattach}=
@{$currnewattach} = @{$ENV{'form.currnewattach'}};	&Apache::loncommon::get_env_multiple('form.currnewattach');
} else {	@{$currdelold}=
$$currnewattach[0] = $ENV{'form.currnewattach'};	&Apache::loncommon::get_env_multiple('form.deloldattach');
}	if (exists($env{'form.delnewattach'})) {
}	my @currdelnew =
if (exists($ENV{'form.deloldattach'})) {	&Apache::loncommon::get_env_multiple('form.delnewattach');
if (ref($ENV{'form.deloldattach'}) eq 'ARRAY') {
@{$currdelold} = @{$ENV{'form.deloldattach'}};
} else {
$$currdelold[0] = $ENV{'form.deloldattach'};
}
}
if (exists($ENV{'form.delnewattach'})) {
my @currdelnew = ();
my @currnew = ();	my @currnew = ();
if (ref($ENV{'form.delnewattach'}) eq 'ARRAY') {
@currdelnew = @{$ENV{'form.delnewattach'}};
} else {
$currdelnew[0] = $ENV{'form.delnewattach'};
}
foreach my $newone (@{$currnewattach}) {	foreach my $newone (@{$currnewattach}) {
my $delflag = 0;	my $delflag = 0;
foreach (@currdelnew) {	foreach my $item (@currdelnew) {
if ($newone eq $_) {	if ($newone eq $item) {
$delflag = 1;	$delflag = 1;
last;	last;
}	}
}	}
unless ($delflag) {	unless ($delflag) {
push @currnew, $newone;	push(@currnew, $newone);
}	}
}	}
@{$currnewattach} = @currnew;	@{$currnewattach} = @currnew;
}	}
if (exists($ENV{'form.keepold'})) {	@{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold');
if (ref($ENV{'form.keepold'}) eq 'ARRAY') {
@{$keepold} = @{$ENV{'form.keepold'}};
} else {
$$keepold[0] = $ENV{'form.keepold'};
}
}
}	}

sub generate_attachments_button {	sub generate_attachments_button {
my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_;	my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,
	$numoldver,$mode,$blockblog) = @_;
my $origpage = $ENV{'REQUEST_URI'};	my $origpage = $ENV{'REQUEST_URI'};
my $att=$attachnum.' '.&mt("attachments");	my $att=$attachnum.' '.&mt("attachments");
	my %lt = &Apache::lonlocal::texthash(
	'clic' => 'Click to add/remove attachments',
	);
my $response = (<<END);	my $response = (<<END);
	<br />
<form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">	<form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
Click to add/remove attachments: <input type="button" value="$att"	$lt{'clic'}: <input type="button" value="$att"
onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);	onclick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);
END	END
	if (!$blockblog) {
	$response .= 'setblogvalue();';
	}
unless ($mode eq 'board') {	unless ($mode eq 'board') {
$response .= 'javascript:anonchk();';	$response .= 'javascript:anonchk();';
}	}
Line 2716 this.form.submit();" />	Line 3178 this.form.submit();" />
<input type="hidden" name="timestamp" value="$now" />	<input type="hidden" name="timestamp" value="$now" />
<input type="hidden" name="subject" />	<input type="hidden" name="subject" />
<input type="hidden" name="comment" />	<input type="hidden" name="comment" />
<input type="hidden" name="anondiscuss" value = "0";	<input type="hidden" name="blog" value="0" />
<input type="hidden" name="discuss" value = "0";	<input type="hidden" name="discuss" value="0" />
<input type="hidden" name="numoldver" value="$numoldver" />	<input type="hidden" name="numoldver" value="$numoldver" />
ENDATTACH	ENDATTACH
if (defined($deloldattach)) {	if (defined($deloldattach)) {
if (@{$deloldattach} > 0) {	if (@{$deloldattach} > 0) {
foreach (@{$deloldattach}) {	foreach my $delatt (@{$deloldattach}) {
$response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n";	$response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n";
}	}
}	}
}	}
if (defined($currnewattach)) {	if (defined($currnewattach)) {
if (@{$currnewattach} > 0) {	if (@{$currnewattach} > 0) {
foreach (@{$currnewattach}) {	foreach my $attach (@{$currnewattach}) {
$response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n";	$response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n";
}	}
}	}
}	}
Line 2742 sub extract_attachments {	Line 3204 sub extract_attachments {
my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;	my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_;
%{$attachments}=();	%{$attachments}=();
&get_post_attachments($attachments,$attachmenturls);	&get_post_attachments($attachments,$attachmenturls);
foreach my $id (sort keys %{$attachments}) {	foreach my $id (sort(keys(%{$attachments}))) {
if (exists($$attachments{$id}{$numoldver})) {	if (exists($$attachments{$id}{$numoldver})) {
if (defined($currdelold)) {	if (defined($currdelold)) {
if (@{$currdelold} > 0) {	if (@{$currdelold} > 0) {
Line 2757 sub extract_attachments {	Line 3219 sub extract_attachments {
}	}
}	}
}	}
my @attached = (sort { $a <=> $b } keys %{$currattach});	my @attached = (sort { $a <=> $b } keys(%{$currattach}));
if (@attached == 1) {	if (@attached == 1) {
my $id = $attached[0];	my $id = $attached[0];
my $attachurl;	my $attachurl;
Line 2773 sub extract_attachments {	Line 3235 sub extract_attachments {
$attachurl);	$attachurl);
} elsif (@attached > 1) {	} elsif (@attached > 1) {
$$message.='<ol>';	$$message.='<ol>';
foreach (@attached) {	foreach my $attach (@attached) {
my $id = $_;	my $id = $attach;
my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});	my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'});
my ($fname)	my ($fname)
=($attachurl=~m\|/([^/]+)$\|);	=($attachurl=~m\|/([^/]+)$\|);
Line 2794 sub construct_attachmenturl {	Line 3256 sub construct_attachmenturl {
my $newattachmenturl;	my $newattachmenturl;
my $startnum = 0;	my $startnum = 0;
my $currver = 0;	my $currver = 0;
if (($ENV{'form.editdisc'}) && ($idx)) {	if (($env{'form.editdisc'}) && ($idx)) {
my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
$oldattachmenturl = $contrib{$idx.':attachmenturl'};	$oldattachmenturl = $contrib{$idx.':attachmenturl'};
if ($contrib{$idx.':history'}) {	if ($contrib{$idx.':history'}) {
if ($contrib{$idx.':history'} =~ /:/) {	if ($contrib{$idx.':history'} =~ /:/) {
my @oldversions = split/:/,$contrib{$idx.':history'};	my @oldversions = split(/:/,$contrib{$idx.':history'});
$currver = 1 + scalar(@oldversions);	$currver = 1 + scalar(@oldversions);
} else {	} else {
$currver = 2;	$currver = 2;
Line 2814 sub construct_attachmenturl {	Line 3276 sub construct_attachmenturl {
my %attachments = ();	my %attachments = ();
my $prevver = $currver-1;	my $prevver = $currver-1;
&get_post_attachments(\%attachments,$oldattachmenturl);	&get_post_attachments(\%attachments,$oldattachmenturl);
my $numattach = scalar(keys %attachments);	my $numattach = scalar(keys(%attachments));
$startnum += $numattach;	$startnum += $numattach;
foreach my $num (sort {$a <=> $b} keys %attachments) {	foreach my $num (sort {$a <=> $b} keys(%attachments)) {
$newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';	$newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>';
foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) {	foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) {
unless ($_ eq 'filename') {	unless ($item eq 'filename') {
$newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>';	$newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>';
}	}
}	}
if (grep/^$num$/,@{$keepold}) {	if (grep/^$num$/,@{$keepold}) {
Line 2845 sub construct_attachmenturl {	Line 3307 sub construct_attachmenturl {
return $newattachmenturl;	return $newattachmenturl;
}	}

	sub add_blog_checkbox {
	my ($crstype) = @_;
	my $checkstatus;
	if ($env{'form.blog'}) {
	$checkstatus = 'checked="checked"';
	}
	my $output = '
	<script type="text/javascript">
	function setblogvalue() {
	if (document.mailform.blog.checked) {
	document.attachment.blog.value = 1;
	} else {
	document.attachment.blog.value = 0;
	}
	}
	</script><br />
	<label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
	if ($crstype eq 'Community') {
	$output .= &mt('Add to my public community blog');
	} else {
	$output .= &mt('Add to my public course blog');
	}
	$output .= '</label><br />'."\n";
	return $output;
	}

sub has_discussion {	sub has_discussion {
my $resourcesref = shift;	my $resourcesref = shift;
my $navmap = Apache::lonnavmaps::navmap->new();	my $navmap = Apache::lonnavmaps::navmap->new();
my @allres=$navmap->retrieveResources();	if (defined($navmap)) {
foreach my $resource (@allres) {	my @allres=$navmap->retrieveResources();
if ($resource->hasDiscussion()) {	foreach my $resource (@allres) {
my $ressymb;	if ($resource->hasDiscussion()) {
if ($resource->symb() =~ m-(___adm/\w+/\w+)/(\d+)/bulletinboard$-) {	my $ressymb = $resource->wrap_symb();
$ressymb = 'bulletin___'.$2.$1.'/'.$2.'/bulletinboard';	if (ref($resourcesref) eq 'ARRAY') {
} else {	push(@{$resourcesref}, $ressymb);
$ressymb = $resource->symb();	}
}	}
push @{$resourcesref}, $ressymb;
}	}
	} else {
	&Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.');
}	}
return;	return;
}	}

sub sort_filter_names {	sub sort_filter_names {
my ($sort_types,$role_types,$status_types) = @_;	my ($sort_types,$role_types,$status_types,$crstype) = @_;
%{$sort_types} = (	if (ref($sort_types) eq 'HASH') {
	%{$sort_types} = (
ascdate => 'Date order - oldest first',	ascdate => 'Date order - oldest first',
descdate => 'Date order - newest first',	descdate => 'Date order - newest first',
thread => 'Threaded',	thread => 'Threaded',
Line 2873 sub sort_filter_names {	Line 3363 sub sort_filter_names {
username => 'By domain and username',	username => 'By domain and username',
lastfirst => 'By last name, first name'	lastfirst => 'By last name, first name'
);	);
%{$role_types} = (	}
all => 'All roles',	my @courseroles = qw(st in ta ep ad);
st => 'Students',	if ($crstype eq 'Community') {
cc => 'Course Coordinators',	push(@courseroles,'co');
in => 'Instructors',	} else {
ta => 'TAs',	push(@courseroles,'cc');
ep => 'Exam proctors',	}
ad => 'Administrators',	if (ref($role_types) eq 'HASH') {
cr => 'Custom roles'	foreach my $role (@courseroles) {
);	$role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype);
%{$status_types} = (	}
	$role_types->{'all'} = 'All roles';
	$role_types->{'cr'} = 'Custom role';
	}
	if (ref($status_types) eq 'HASH') {
	%{$status_types} = (
all => 'Roles of any status',	all => 'Roles of any status',
Active => 'Only active roles',	Active => 'Only active roles',
Expired => 'Only inactive roles'	Expired => 'Only past roles',
	Future => 'Only future roles',
);	);
	}
}	}

sub handler {	sub handler {
Line 2901 sub handler {	Line 3398 sub handler {
# --------------------------- Get query string for limited number of parameters	# --------------------------- Get query string for limited number of parameters

&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export']);	['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']);
	my $group = $env{'form.group'};
if ($ENV{'form.discsymb'}) {	my %attachmax = (
my ($symb,$feedurl) = &get_feedurl_and_clean_symb($ENV{'form.discsymb'});	text => &mt('(128 KB max size)'),
	num => 131072,
	);
	if ($env{'form.editdisc'}) {
	if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
	my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
	my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
	my $feedurl=&Apache::lonnet::clutter($url);
	&redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef,
	undef,undef,undef,$group);
	return OK;
	}
	}
	if ($env{'form.discsymb'}) {
	my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'});
my $readkey = $symb.'_read';	my $readkey = $symb.'_read';
my $chgcount = 0;	my $chgcount = 0;
my %readinghash = &Apache::lonnet::get('nohist_'.$ENV{'request.course.id'}.'_discuss',[$readkey],$ENV{'user.domain'},$ENV{'user.name'});	my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'});
foreach my $key (keys %ENV) {	foreach my $key (keys(%env)) {
if ($key =~ m/^form\.postunread_(\d+)/) {	if ($key =~ m/^form\.postunread_(\d+)/) {
if ($readinghash{$readkey} =~ /\.$1\./) {	if ($readinghash{$readkey} =~ /\.$1\./) {
$readinghash{$readkey} =~ s/\.$1\.//;	$readinghash{$readkey} =~ s/\.$1\.//;
Line 2922 sub handler {	Line 3433 sub handler {
}	}
}	}
if ($chgcount > 0) {	if ($chgcount > 0) {
&Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',	&Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
\%readinghash,$ENV{'user.domain'},$ENV{'user.name'});	\%readinghash,$env{'user.domain'},$env{'user.name'});
}	}
&redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',	&redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />',
'0','0','',$ENV{'form.previous'},'','','',);	'0','0','','',$env{'form.previous'},'','','',
	undef,undef,undef,$group);
return OK;	return OK;
}	}
if ($ENV{'form.allversions'}) {	if ($env{'form.allversions'}) {
&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
	&Apache::loncommon::no_cache($r);
$r->send_http_header;	$r->send_http_header;
my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions');
$r->print(<<END);	# Breadcrumbs
<html>	my $brcrum = [{'href' => '',
<head>	'text' => 'Discussion Post Versions'}];
<title>Post Versions</title>
<meta http-equiv="pragma" content="no-cache" />	$r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,
</head>	{'bread_crumbs' => $brcrum,})
$bodytag	);
END
my $crs='/'.$ENV{'request.course.id'};	my $crs='/'.$env{'request.course.id'};
if ($ENV{'request.course.sec'}) {	if ($env{'request.course.sec'}) {
$crs.='_'.$ENV{'request.course.sec'};	$crs.='_'.$env{'request.course.sec'};
}	}
$crs=~s\|_\|/\|g;	$crs=~s\|_\|/\|g;
my $seeid=&Apache::lonnet::allowed('rin',$crs);	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.allversions'});	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'});
($symb)=&get_feedurl_and_clean_symb($symb);	($symb)=&get_feedurl_and_clean_symb($symb);
	my $ressymb = &wrap_symb($symb);
	my $group = $env{'form.group'};
	my $seeid;
	if (($group ne '') && (($ressymb =~ m\|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$\|))) {
	if (&check_group_priv($group,'dgp') eq 'ok') {
	$seeid = 1;
	}
	} else {
	$seeid = &Apache::lonnet::allowed('rin',$crs);
	}
if ($idx > 0) {	if ($idx > 0) {
my %messages = ();	my %messages = ();
my %subjects = ();	my %subjects = ();
Line 2956 END	Line 3480 END
my %allattachments = ();	my %allattachments = ();
my %imsfiles = ();	my %imsfiles = ();
my ($screenname,$plainname);	my ($screenname,$plainname);
my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
$r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));	$r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname));
}	}
	$r->print(&Apache::loncommon::end_page());
return OK;	return OK;
}	}
if ($ENV{'form.posterlist'}) {	if ($env{'form.posterlist'}) {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.applysort'});	my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
&print_showposters($r,$symb,$ENV{'form.previous'},$feedurl,	&print_showposters($r,$symb,$env{'form.previous'},$feedurl,
$ENV{'form.sortposts'});	$env{'form.sortposts'});
return OK;	return OK;
}	}
if ($ENV{'form.userpick'}) {	if ($env{'form.userpick'}) {
my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');	my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo');
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.userpick'});	my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'});
my $numpicks = @posters;	my $numpicks = @posters;
my %discinfo;	my %discinfo;
$discinfo{$symb.'_userpick'} = join('&',@posters);	$discinfo{$symb.'_userpick'} = join('&',@posters);
&Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',	&Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});	\%discinfo,$env{'user.domain'},$env{'user.name'});
&redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0',	&redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
'',$ENV{'form.previous'},$ENV{'form.sortposts'},'','','',	'',$env{'form.previous'},$env{'form.sortposts'},'','','',
$numpicks);	'',$numpicks,$group);
return OK;	return OK;
}	}
if ($ENV{'form.applysort'}) {	if ($env{'form.applysort'}) {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.applysort'});	my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'});
&redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0',	&redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','',
'',$ENV{'form.previous'},$ENV{'form.sortposts'},	'',$env{'form.previous'},$env{'form.sortposts'},
$ENV{'form.rolefilter'},$ENV{'form.statusfilter'},	$env{'form.rolefilter'},$env{'form.statusfilter'},
$ENV{'form.sectionpick'});	$env{'form.sectionpick'},$env{'form.grouppick'},
	undef,$group);
return OK;	return OK;
} elsif ($ENV{'form.cmd'} eq 'sortfilter') {	} elsif ($env{'form.cmd'} eq 'sortfilter') {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.symb'});	my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
&print_sortfilter_options($r,$symb,$ENV{'form.previous'},$feedurl);	&print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl);
return OK;	return OK;
} elsif ($ENV{'form.navtime'}) {	} elsif ($env{'form.navtime'}) {
my %discinfo = ();	my %discinfo = ();
my @resources = ();	my @resources = ();
if (defined($ENV{'form.navmaps'})) {	if (defined($env{'form.navmaps'})) {
if ($ENV{'form.navmaps'} =~ /:/) {	if ($env{'form.navmaps'} =~ /:/) {
@resources = split/:/,$ENV{'form.navmaps'};	@resources = split(/:/,$env{'form.navmaps'});
} else {	} else {
@resources = ("$ENV{'form.navmaps'}");	@resources = ("$env{'form.navmaps'}");
}	}
} else {	} else {
&has_discussion(\@resources);	&has_discussion(\@resources);
}	}
my $numitems = @resources;	my $numitems = @resources;
my $feedurl = '/adm/navmaps';	my $feedurl = '/adm/navmaps';
if ($ENV{'form.navurl'}) { $feedurl .= '?'.$ENV{'form.navurl'}; }	if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; }
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'mnpa' => 'Marked "New" posts as read in a total of',	'mnpa' => 'Marked "New" posts as read in a total of',
'robb' => 'resources/bulletin boards.',	'robb' => 'resources/bulletin boards.',
'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.'	'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.'
);	);
foreach (@resources) {	foreach my $res (@resources) {
# backward compatibility (bulletin boards used to be 'wrapped')	my $ressymb=$res;
my $ressymb=$_;
&Apache::lonenc::check_decrypt(\$ressymb);	&Apache::lonenc::check_decrypt(\$ressymb);
if ($ressymb =~ m/bulletin___\d+___/) {
unless ($ressymb =~ m\|bulletin___\d+___adm/wrapper\|) {
$ressymb=~s\|(bulletin___\d+___)\|$1adm/wrapper/\|;
}
}
my $lastkey = $ressymb.'_lastread';	my $lastkey = $ressymb.'_lastread';
$discinfo{$lastkey} = $ENV{'form.navtime'};	$discinfo{$lastkey} = $env{'form.navtime'};
}	}
my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";	my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>";
if ($numitems > 0) {	if ($numitems > 0) {
&Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',	&Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});	\%discinfo,$env{'user.domain'},$env{'user.name'});
} else {	} else {
$textline = "<b>$lt{'twnp'}</b>";	$textline = "<b>$lt{'twnp'}</b>";
}	}
&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;	$r->send_http_header;
	my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
	my %onload;
	if ($env{'environment.remote'} ne 'off') {
	$onload{'onload'} =
	"if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
	}

	my $start_page=
	&Apache::loncommon::start_page('New posts marked as read',undef,
	{'redirect' => [2,$feedurl],
	'only_body' => 1,
	'add_entries' => \%onload});
	my $end_page = &Apache::loncommon::end_page();
$r->print (<<ENDREDIR);	$r->print (<<ENDREDIR);
<html>	$start_page
<head>	<img align="right" src="$logo" />
<title>New posts marked as read</title>
<meta http-equiv="pragma" content="no-cache" />
<meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" />
</head>
<body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'>
<img align="right" src="/adm/lonIcons/lonlogos.gif" />
$textline	$textline
<form name="reldt" action="$feedurl" target="loncapaclient">	<form name="reldt" action="$feedurl" target="loncapaclient">
</form>	</form>
<br /><a href="$feedurl">Continue</a>	<br />
</body>	$end_page
</html>
ENDREDIR	ENDREDIR
return OK;	return OK;
} elsif ($ENV{'form.modifydisp'}) {	} elsif ($env{'form.modifydisp'}) {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.modifydisp'});	my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'});
my ($dispchgA,$dispchgB,$markchg,$toggchg) =	my ($dispchgA,$dispchgB,$markchg,$toggchg) =
split(/_/,$ENV{'form.changes'});	split(/_/,$env{'form.changes'});
&print_display_options($r,$symb,$ENV{'form.previous'},$dispchgA,	&print_display_options($r,$symb,$env{'form.previous'},$dispchgA,
$dispchgB,$markchg,$toggchg,$feedurl);	$dispchgB,$markchg,$toggchg,$feedurl);
return OK;	return OK;
} elsif ($ENV{'form.markondisp'} \|\| $ENV{'form.markonread'} \|\|	} elsif ($env{'form.markondisp'} \|\| $env{'form.markonread'} \|\|
$ENV{'form.allposts'} \|\| $ENV{'form.onlyunread'} \|\|	$env{'form.allposts'} \|\| $env{'form.onlyunread'} \|\|
$ENV{'form.onlyunmark'} \|\| $ENV{'form.toggoff'} \|\|	$env{'form.onlyunmark'} \|\| $env{'form.toggoff'} \|\|
$ENV{'form.toggon'} \|\| $ENV{'form.markread'}) {	$env{'form.toggon'} \|\| $env{'form.markread'}) {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.symb'});	my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
my %discinfo;	my %discinfo;
# ------------------------ Modify setting for read/unread toggle for each post	# ------------------------ Modify setting for read/unread toggle for each post
if ($ENV{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }	if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; }
if ($ENV{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }	if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; }
# --------- Modify setting for identification of 'NEW' posts in this discussion	# --------- Modify setting for identification of 'NEW' posts in this discussion
if ($ENV{'form.markondisp'}) {	if ($env{'form.markondisp'}) {
$discinfo{$symb.'_lastread'} = time;	$discinfo{$symb.'_lastread'} = time;
$discinfo{$symb.'_markondisp'} = 1;	$discinfo{$symb.'_markondisp'} = 1;
}	}
if ($ENV{'form.markonread'}) {	if ($env{'form.markonread'}) {
if ( $ENV{'form.previous'} > 0 ) {	if ( $env{'form.previous'} > 0 ) {
$discinfo{$symb.'_lastread'} = $ENV{'form.previous'};	$discinfo{$symb.'_lastread'} = $env{'form.previous'};
}	}
$discinfo{$symb.'_markondisp'} = 0;	$discinfo{$symb.'_markondisp'} = 0;
}	}
# --------------------------------- Modify display setting for this discussion	# --------------------------------- Modify display setting for this discussion
if ($ENV{'form.allposts'}) {	if ($env{'form.allposts'}) {
$discinfo{$symb.'_showonlyunread'} = 0;	$discinfo{$symb.'_showonlyunread'} = 0;
$discinfo{$symb.'_showonlyunmark'} = 0;	$discinfo{$symb.'_showonlyunmark'} = 0;
}	}
if ($ENV{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }	if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; }
if ($ENV{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }	if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; }
# ----------------------------------------------------- Mark new posts not NEW	# ----------------------------------------------------- Mark new posts not NEW
if ($ENV{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }	if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; }
&Apache::lonnet::put('nohist_'.$ENV{'request.course.id'}.'_discuss',	&Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',
\%discinfo,$ENV{'user.domain'},$ENV{'user.name'});	\%discinfo,$env{'user.domain'},$env{'user.name'});
my $previous=$ENV{'form.previous'};	my $previous=$env{'form.previous'};
if ($ENV{'form.markondisp'}) { $previous=undef; }	if ($env{'form.markondisp'}) { $previous=undef; }
&redirect_back($r,$feedurl,&mt('Changed display status').'<br />',	&redirect_back($r,$feedurl,&mt('Changed display status').'<br />',
'0','0','',$previous);	'0','0','','',$previous,'','','','','','',$group);
return OK;	return OK;
} elsif (($ENV{'form.hide'}) \|\| ($ENV{'form.unhide'})) {	} elsif (($env{'form.hide'}) \|\| ($env{'form.unhide'})) {
# ----------------------------------------------------------------- Hide/unhide	# ----------------------------------------------------------------- Hide/unhide
my $entry=$ENV{'form.hide'}?$ENV{'form.hide'}:$ENV{'form.unhide'};	my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'};
my ($symb,$idx)=split(/\:\:\:/,$entry);	my ($symb,$idx)=split(/\:\:\:/,$entry);
($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);	($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);

my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},	my $crs='/'.$env{'request.course.id'};
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	if ($env{'request.course.sec'}) {
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$crs.='_'.$env{'request.course.sec'};

my $currenthidden=$contrib{'hidden'};
my $currentstudenthidden=$contrib{'studenthidden'};

my $crs='/'.$ENV{'request.course.id'};
if ($ENV{'request.course.sec'}) {
$crs.='_'.$ENV{'request.course.sec'};
}	}
$crs=~s/\_/\//g;	$crs=~s/\_/\//g;
my $seeid=&Apache::lonnet::allowed('rin',$crs);	my $seeid=&Apache::lonnet::allowed('rin',$crs);

if ($ENV{'form.hide'}) {	if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) {
	&redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','',
	undef,undef,$group,);
	return OK;
	}

	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'});

	my $currenthidden=$contrib{'hidden'};
	my $currentstudenthidden=$contrib{'studenthidden'};

	if ($env{'form.hide'}) {
$currenthidden.='.'.$idx.'.';	$currenthidden.='.'.$idx.'.';
unless ($seeid) {	unless ($seeid) {
$currentstudenthidden.='.'.$idx.'.';	$currentstudenthidden.='.'.$idx.'.';
Line 3123 ENDREDIR	Line 3655 ENDREDIR
$currenthidden=~s/\.$idx\.//g;	$currenthidden=~s/\.$idx\.//g;
}	}
my %newhash=('hidden' => $currenthidden);	my %newhash=('hidden' => $currenthidden);
if ( ($ENV{'form.hide'}) && (!$seeid) ) {	if ( ($env{'form.hide'}) && (!$seeid) ) {
$newhash{'studenthidden'} = $currentstudenthidden;	$newhash{'studenthidden'} = $currentstudenthidden;
}	}
	if ($env{'form.hide'}) {
&Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},	my $changelast = 0;
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	my $newlast;
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	($changelast,$newlast) = &get_discussion_info($idx,%contrib);
	if ($changelast) {
	&Apache::lonnet::put('discussiontimes',{$symb => $newlast},
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'});
	}
	}
	&Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'});

&redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',	&redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
'0','0','',$ENV{'form.previous'});	'0','0','','',$env{'form.previous'},undef,undef,undef,
	undef,undef,undef,$group);
return OK;	return OK;
} elsif ($ENV{'form.cmd'}=~/^(threadedoff\|threadedon)$/) {	} elsif ($env{'form.cmd'}=~/^(threadedoff\|threadedon)$/) {
my ($symb,$feedurl)=&get_feedurl_and_clean_symb($ENV{'form.symb'});	my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'});
if ($ENV{'form.cmd'} eq 'threadedon') {	if ($env{'form.cmd'} eq 'threadedon') {
&Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});	&Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'});
&Apache::lonnet::appenv('environment.threadeddiscussion' => 'on');	&Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'});
} else {	} else {
&Apache::lonnet::del('environment',['threadeddiscussion']);	&Apache::lonnet::del('environment',['threadeddiscussion']);
&Apache::lonnet::delenv('environment\.threadeddiscussion');	&Apache::lonnet::delenv('environment.threadeddiscussion');
}	}
&redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',	&redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />',
'0','0','',$ENV{'form.previous'});	'0','0','','',$env{'form.previous'},undef,undef,undef,
	undef,undef,undef,$group);
return OK;	return OK;
} elsif ($ENV{'form.deldisc'}) {	} elsif ($env{'form.deldisc'}) {
# --------------------------------------------------------------- Hide for good	# --------------------------------------------------------------- Hide for good
my ($symb,$idx)=split(/\:\:\:/,$ENV{'form.deldisc'});	my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'});
($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);	($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
	my ($changelast,$newlast) = &get_discussion_info($idx,%contrib);
	if ($changelast) {
	&Apache::lonnet::put('discussiontimes',{$symb => $newlast},
	$env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'});
	}
my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");	my %newhash=('deleted' => $contrib{'deleted'}.".$idx.");
&Apache::lonnet::store(\%newhash,$symb,$ENV{'request.course.id'},	&Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'},
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
&redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',	&redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />',
'0','0','',$ENV{'form.previous'});	'0','0','','',$env{'form.previous'},undef,undef,undef,
	undef,undef,undef,$group);
return OK;	return OK;
} elsif ($ENV{'form.preview'}) {	} elsif ($env{'form.preview'}) {
# -------------------------------------------------------- User wants a preview	# -------------------------------------------------------- User wants a preview
&show_preview($r);	&show_preview($r);
return OK;	return OK;
} elsif ($ENV{'form.attach'}) {	} elsif ($env{'form.attach'}) {
# -------------------------------------------------------- Work on attachments	# -------------------------------------------------------- Work on attachments
&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;	$r->send_http_header;
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']);	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']);
my (@currnewattach,@currdelold,@keepold);	my (@currnewattach,@currdelold,@keepold,$toolarge);
&process_attachments(\@currnewattach,\@currdelold,\@keepold);	&process_attachments(\@currnewattach,\@currdelold,\@keepold);
if (exists($ENV{'form.addnewattach.filename'})) {	if (exists($env{'form.addnewattach.filename'})) {
unless (length($ENV{'form.addnewattach'})>131072) {	if (length($env{'form.addnewattach'})<=$attachmax{'num'}) {
my $subdir = 'feedback/'.$ENV{'form.timestamp'};	my $subdir = 'feedback/'.$env{'form.timestamp'};
my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);	my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir);
push @currnewattach, $newattachment;	push(@currnewattach, $newattachment);
	} else {
	$toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
}	}
}	}
my $attachmenturls;	my $attachmenturls;
my ($symb) = &get_feedurl_and_clean_symb($ENV{'form.attach'});	my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'});
my $idx = $ENV{'form.idx'};	my $idx = $env{'form.idx'};
if ($idx) {	if ($idx) {
my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},	$env{'course.'.$env{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});	$env{'course.'.$env{'request.course.id'}.'.num'});
$attachmenturls = $contrib{$idx.':attachmenturl'};	$attachmenturls = $contrib{$idx.':attachmenturl'};
}	}
&modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,	&modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx,
$attachmenturls);	$attachmenturls,$attachmax{'text'},$toolarge);
return OK;	return OK;
} elsif ($ENV{'form.export'}) {	} elsif ($env{'form.export'}) {
&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;	$r->send_http_header;
my ($symb,$feedurl) = &get_feedurl_and_clean_symb($ENV{'form.export'});	my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'});
my $mode='board';	my $mode='board';
my $status='OPEN';	my $status='OPEN';
my $previous=$ENV{'form.previous'};	my $previous=$env{'form.previous'};
if ($feedurl =~ /\.(problem\|exam\|quiz\|assess\|survey\|form\|library)$/) {	if ($feedurl =~ /\.(problem\|exam\|quiz\|assess\|survey\|form\|library\|task)$/) {
$mode='problem';	$mode='problem';
$status=$Apache::inputtags::status[-1];	$status=$Apache::inputtags::status[-1];
}	}
my $discussion = &list_discussion($mode,$status,$symb);	my $discussion = &list_discussion($mode,$status,$symb);
my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion');	my $start_page =
$r->print($bodytag.$discussion);	&Apache::loncommon::start_page('Resource Feedback and Discussion');
	my $end_page =
	&Apache::loncommon::end_page();
	$r->print($start_page.$discussion.$end_page);
return OK;	return OK;
} else {	} else {
# ------------------------------------------------------------- Normal feedback	# ------------------------------------------------------------- Normal feedback
my $feedurl=$ENV{'form.postdata'};	my $feedurl=$env{'form.postdata'};
$feedurl=~s/^http\:\/\///;	$feedurl=~s/^https?\:\/\///;
$feedurl=~s/^$ENV{'SERVER_NAME'}//;	$feedurl=~s/^$ENV{'SERVER_NAME'}//;
$feedurl=~s/^$ENV{'HTTP_HOST'}//;	$feedurl=~s/^$ENV{'HTTP_HOST'}//;
$feedurl=~s/\?.+$//;	$feedurl=~s/\?.+$//;

my $symb;	my $symb;
if ($ENV{'form.replydisc'}) {	if ($env{'form.replydisc'}) {
$symb=(split(/\:\:\:/,$ENV{'form.replydisc'}))[0];	$symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0];
my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);	} elsif ($env{'form.editdisc'}) {
$feedurl=&Apache::lonnet::clutter($url);	$symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
} elsif ($ENV{'form.editdisc'}) {	} elsif ($env{'form.origpage'}) {
$symb=(split(/\:\:\:/,$ENV{'form.editdisc'}))[0];
my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);
$feedurl=&Apache::lonnet::clutter($url);
} elsif ($ENV{'form.origpage'}) {
$symb="";	$symb="";
} else {	} else {
$symb=&Apache::lonnet::symbread($feedurl);	$symb=&Apache::lonnet::symbread($feedurl);
}	}
unless ($symb) {	unless ($symb) {
$symb=$ENV{'form.symb'};	$symb=$env{'form.symb'};
if ($symb) {	}
my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb);	if (defined($symb)) {
$feedurl=&Apache::lonnet::clutter($url);	($symb,$feedurl)=&get_feedurl_and_clean_symb($symb);
}	} else {
	# backward compatibility (bulletin boards used to be 'wrapped')
	&Apache::lonenc::check_decrypt(\$feedurl);
	&dewrapper(\$feedurl);
}	}
&Apache::lonenc::check_decrypt(\$symb);
my $goahead=1;	my $goahead=1;
if ($feedurl=~/\.(problem\|exam\|quiz\|assess\|survey\|form)$/) {	if ($feedurl=~/\.(problem\|exam\|quiz\|assess\|survey\|form\|task)$/) {
unless ($symb) { $goahead=0; }	unless ($symb) { $goahead=0; }
}	}
# backward compatibility (bulletin boards used to be 'wrapped')
if ($feedurl=~m\|^/adm/wrapper/adm/.*/bulletinboard$\|) {
$feedurl=~s\|^/adm/wrapper\|\|;
}
if (!$goahead) {	if (!$goahead) {
# Ambiguous Problem Resource	# Ambiguous Problem Resource
$r->internal_redirect('/adm/ambiguous');	$r->internal_redirect('/adm/ambiguous');
Line 3254 ENDREDIR	Line 3802 ENDREDIR
($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)	($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:)
)	)
\|\|	\|\|
($ENV{'request.course.id'} && ($feedurl!~m:^/adm:))	($env{'request.course.id'} && ($feedurl!~m:^/adm:))
\|\|	\|\|
($ENV{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))	($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/))
) {	) {
&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;	$r->send_http_header;
# Unable to give feedback	# Unable to give feedback
	&Apache::lonenc::check_encrypt(\$feedurl);
&no_redirect_back($r,$feedurl);	&no_redirect_back($r,$feedurl);
	return OK;
}	}
# --------------------------------------------------- Print login screen header	# --------------------------------------------------- Print login screen header
unless ($ENV{'form.sendit'}) {	unless ($env{'form.sendit'}) {
	&Apache::lonenc::check_encrypt(\$feedurl);
&Apache::loncommon::content_type($r,'text/html');	&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;	$r->send_http_header;
	if (($env{'form.replydisc'}) \|\| ($env{'form.editdisc'})) {
	my ($blocked,$blocktext) =
	&Apache::loncommon::blocking_status('boards');
	if ($blocked) {
	$r->print(&blocked_reply_or_edit($blocktext));
	return OK;
	}
	}
my $options=&screen_header($feedurl,$symb);	my $options=&screen_header($feedurl,$symb);
if ($options) {	if ($options) {
&mail_screen($r,$feedurl,$options);	&mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
} else {	} else {
&fail_redirect($r,$feedurl);	&fail_redirect($r,$feedurl);
}	}
Line 3278 ENDREDIR	Line 3837 ENDREDIR

# Get previous user input	# Get previous user input
my $prevattempts=&Apache::loncommon::get_previous_attempt(	my $prevattempts=&Apache::loncommon::get_previous_attempt(
$symb,$ENV{'user.name'},$ENV{'user.domain'},	$symb,$env{'user.name'},$env{'user.domain'},
$ENV{'request.course.id'});	$env{'request.course.id'});

# Get output from resource	# Get output from resource
	&Apache::lonenc::check_encrypt(\$feedurl);
my $usersaw=&resource_output($feedurl);	my $usersaw=&resource_output($feedurl);

# Get resource answer (need to allow student to view grades for this to work)	# Get resource answer (need to allow student to view grades for this to work)
&Apache::lonnet::appenv(('allowed.vgr'=>'F'));	&Apache::lonnet::appenv({'allowed.vgr'=>'F'});
my $useranswer=&Apache::loncommon::get_student_answers(	my $usersymb = &Apache::lonenc::check_encrypt($symb);
$symb,$ENV{'user.name'},$ENV{'user.domain'},	my $useranswer=
$ENV{'request.course.id'});	&Apache::loncommon::get_student_answers(
	$usersymb,$env{'user.name'},$env{'user.domain'},
	$env{'request.course.id'});
&Apache::lonnet::delenv('allowed.vgr');	&Apache::lonnet::delenv('allowed.vgr');
# Get attachments, if any, and not too large	# Get attachments, if any, and not too large
my $attachmenturl='';	my $attachmenturl='';
if (($ENV{'form.origpage'}) \|\| ($ENV{'form.editdisc'}) \|\|	my $toolarge='';
($ENV{'form.replydisc'})) {	if (($env{'form.origpage'}) \|\| ($env{'form.editdisc'}) \|\|
	($env{'form.replydisc'})) {
my ($symb,$idx);	my ($symb,$idx);
if ($ENV{'form.replydisc'}) {	if ($env{'form.replydisc'}) {
($symb,$idx)=split(/\:\:\:/,$ENV{'form.replydisc'});	($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'});
} elsif ($ENV{'form.editdisc'}) {	} elsif ($env{'form.editdisc'}) {
($symb,$idx)=split(/\:\:\:/,$ENV{'form.editdisc'});	($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'});
} elsif ($ENV{'form.origpage'}) {	} elsif ($env{'form.origpage'}) {
$symb = $ENV{'form.symb'};	$symb = $env{'form.symb'};
}	}
&Apache::lonenc::check_decrypt(\$symb);	&Apache::lonenc::check_decrypt(\$symb);
my @currnewattach = ();	my @currnewattach = ();
Line 3309 ENDREDIR	Line 3872 ENDREDIR
&process_attachments(\@currnewattach,\@deloldattach,\@keepold);	&process_attachments(\@currnewattach,\@deloldattach,\@keepold);
$symb=~s\|(bulletin___\d+___)adm/wrapper/\|$1\|;	$symb=~s\|(bulletin___\d+___)adm/wrapper/\|$1\|;
$attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);	$attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx);
} elsif ($ENV{'form.attachment.filename'}) {	} elsif ($env{'form.attachment.filename'}) {
unless (length($ENV{'form.attachment'})>131072) {	if (length($env{'form.attachment'})<=$attachmax{'num'}) {
$attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback');	my $now = time;
}	my $subdir = 'feedback/'.$now;
	$attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir);
	} else {
	$toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>';
	}
}	}
# Filter HTML out of message (could be nasty)	# Filter HTML out of message (could be nasty)
my $message=&clear_out_html($ENV{'form.comment'});	my $message=&clear_out_html($env{'form.comment'});

# Assemble email	# Assemble email
my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts,	my ($email,$citations)=&assemble_email($message,$prevattempts,
$usersaw,$useranswer);	$usersaw,$useranswer);

# Who gets this?	# Who gets this?
my ($typestyle,%to) = &decide_receiver($feedurl);	my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);

# Actually send mail	# Actually send mail
my ($status,$numsent)=&send_msg($feedurl,$email,$citations,	my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'},
$attachmenturl,%to);	undef,1),
	$feedurl,$email,$citations,
	$attachmenturl,$usersymb,%to);

# Discussion? Store that.	# Discussion? Store that.

my $numpost=0;	my $numpost=0;
if ($ENV{'form.discuss'} \|\| $ENV{'form.anondiscuss'}) {	if ( ($env{'form.discuss'} ne ''
my $subject = &clear_out_html($ENV{'form.subject'});	&& $env{'form.discuss'} !~ /^(?:author\|question\|course\|policy)/)
my $anonmode=(defined($ENV{'form.anondiscuss'}));	\|\| $env{'form.anondiscuss'} ne '') {
	my $subject = &clear_out_html($env{'form.subject'},undef,1);
	my $anonmode=($env{'form.discuss'} eq 'anon' \|\| $env{'form.anondiscuss'} );
$typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,	$typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
$subject);	$subject);
$numpost++;	$numpost++;
}	}

	# Add to blog?

	my $blog='';
	if ($env{'form.blog'}) {
	my $subject = &clear_out_html($env{'form.subject'},undef,1);
	$status.=&Apache::lonrss::addentry($env{'user.name'},
	$env{'user.domain'},
	'CourseBlog_'.$env{'request.course.id'},
	$subject,$message,$feedurl,'public');
	if (&Apache::loncommon::course_type() eq 'Community') {
	$blog='<br />'.&mt('Added to my community blog').'<br />';
	} else {
	$blog='<br />'.&mt('Added to my course blog').'<br />';
	}
	}

# Receipt screen and redirect back to where came from	# Receipt screen and redirect back to where came from
&redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$ENV{'form.previous'});	&redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
}	}
return OK;	return OK;
	}

	sub blocked_reply_or_edit {
	my ($blocktext) = @_;
	return
	&Apache::loncommon::start_page('Resource Feedback and Discussion').
	$blocktext.'<br /><br /><a href="javascript:history.go(-1)">'.
	&mt('Back to previous page').
	&Apache::loncommon::end_page();
}	}

sub wrap_symb {	sub wrap_symb {
Line 3379 sub get_feedurl_and_clean_symb {	Line 3974 sub get_feedurl_and_clean_symb {
my $feedurl = &get_feedurl($symb);	my $feedurl = &get_feedurl($symb);
return ($symb,$feedurl);	return ($symb,$feedurl);
}	}

	sub editing_allowed {
	my ($postid,$group) = @_;
	$postid = &unescape($postid);
	my $can_edit = 0;
	if ($group ne '') {
	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
	if ($postid =~ m\|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)\|) {
	if (&check_group_priv($group,'egp') eq 'ok') {
	$can_edit = 1;
	}
	return $can_edit;
	}
	}
	my $cid = $env{'request.course.id'};
	my $role = (split(/\./,$env{'request.role'}))[0];
	my $section = $env{'request.course.sec'};
	my $allow_editing_config =
	$env{'course.'.$cid.'.allow_discussion_post_editing'};
	if ($allow_editing_config =~ m/^\syes\s$/i) {
	$can_edit = 1;
	} else {
	foreach my $editor (split(/,/,$allow_editing_config)) {
	my ($editor_role,$editor_sec) = split(/:/,$editor);
	if ($editor_role eq $role
	&& defined($editor_sec)
	&& defined($section)
	&& $editor_sec eq $section) {
	$can_edit = 1;
	last;
	}
	if ($editor_role eq $role
	&& !defined($editor_sec)) {
	$can_edit = 1;
	}
	}
	}
	return $can_edit;
	}

	sub check_group_priv {
	my ($group,$grp_priv) = @_;
	foreach my $priv ('mdg','vcg') {
	my $checkcourse = $env{'request.course.id'}.
	($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'');
	if (&Apache::lonnet::allowed($priv,$checkcourse)) {
	return 'ok';
	}
	}
	if ($grp_priv && $group ne '') {
	if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) {
	return 'ok';
	}
	}
	return '';
	}

	sub group_args {
	my ($group) = @_;
	if ($group eq '') { return ''; }
	my $extra_args = '&group='.$group;
	if (exists($env{'form.ref'})) {
	$extra_args .= '&ref='.$env{'form.ref'};
	}
	return $extra_args;
	}

	sub get_resource_title {
	my ($symb,$feedurl) = @_;
	my ($restitle,$plainurl);
	if (defined($symb)) {
	my $plain_symb = &Apache::lonenc::check_decrypt($symb);
	$restitle = &Apache::lonnet::gettitle($plain_symb);
	}
	if (defined($feedurl)) {
	$plainurl = &Apache::lonenc::check_decrypt($feedurl);
	}
	if (!defined($restitle)) {
	if (defined($feedurl)) {
	$restitle = &Apache::lonnet::gettitle($plainurl);
	}
	}
	if ($plainurl ne $feedurl) {
	my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-);
	if ($plain_filename eq $restitle) {
	$restitle = &mt('Untitled resource');
	}
	}
	if ($restitle eq '') {
	$restitle = &mt('Untitled resource');
	}
	return $restitle;
	}

1;	1;
__END__	__END__


	=pod

	=head1 NAME

	Apache::lonfeedback.pm

	=head1 SYNOPSIS

	Handles feedback from students to instructors and system administrators.

	Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework.

	Used by lonmsg.pm.

	This is part of the LearningOnline Network with CAPA project
	described at http://www.lon-capa.org.

	=head1 OVERVIEW

	None

	=head1 SUBROUTINES

	=over

	=item discussion_open()

	=item discussion_visible()

	=item list_discussion()

	=item send_feedback_link()

	=item send_message_link()

	=item action_links_bar()

	=item postingform_display()

	=item build_posting_display

	=item filter_regexp()

	=item get_post_contents()

	=item replicate_attachments()

	=item mail_screen()

	=item print_display_options()

	=item print_sortfilter_options()

	=item print_showposters()

	=item get_post_versions()

	=item get_post_attachments()

	=item fail_redirect()

	=item redirect_back()

	=item no_redirect_back()

	=item screen_header()

	=item resource_output()

	=item clear_out_html()

	=item assemble_email()

	=item feedback_available()

	=item send_msg()

	=item adddiscuss()

	=item get_discussion_info()

	=item show_preview()

	=item newline_to_br()

	=item tidy_html()

	=item generate_preview_button()

	=item modify_attachments()

	=item process_attachments()

	=item generate_attachments_button()

	=item extract_attachments()

	=item construct_attachmenturl()

	=item add_blog_checkbox()

	=item has_discussion()

	=item sort_filter_names()

	=item handler()

	=item blocked_reply_or_edit()

	=item wrap_symb()

	=item dewrapper()

	=item get_feedurl()

	=item get_feedurl_and_clean_symb()

	=item editing_allowed()

	=item check_group_priv()

	=item group_args()

	=item get_resource_title()

	=back

	=cut

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.

Removed from v.1.145
changed lines
	Added in v.1.285