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Diff for /loncom/interface/lonfeedback.pm between versions 1.244 and 1.345

version 1.244, 2007/02/28 16:30:40	version 1.345, 2012/03/16 01:43:48
Line 41 use Apache::lonnavmaps;	Line 41 use Apache::lonnavmaps;
use Apache::lonenc();	use Apache::lonenc();
use Apache::lonrss();	use Apache::lonrss();
use HTML::LCParser();	use HTML::LCParser();
	#use HTML::Tidy::libXML;
use Apache::lonspeller();	use Apache::lonspeller();
use Apache::longroup;	use Apache::longroup;
use Cwd;	use Cwd;
Line 48 use LONCAPA;	Line 49 use LONCAPA;

sub discussion_open {	sub discussion_open {
my ($status,$symb)=@_;	my ($status,$symb)=@_;
	# Advanced roles can always discuss
if ($env{'request.role.adv'}) { return 1; }	if ($env{'request.role.adv'}) { return 1; }
	# Get discussion closing date
	my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
	# If it is defined and in the future, the instructor wants this discussion to be open
	if (defined($close) && $close ne '' && $close > time) {
	return 1;
	}
	# It was not explicitly open, check if the problem is available.
	# If the problem is not available, close the discussion
if (defined($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')) {
return 0;	return 0;
}	}
my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);	# The problem is available, but check if the instructor explictly closed discussion
if (defined($close) && $close ne '' && $close < time) {	if (defined($close) && $close ne '' && $close < time) {
return 0;	return 0;
}	}
Line 72 sub discussion_visible {	Line 82 sub discussion_visible {
return 1;	return 1;
}	}

	sub discussion_vote_available {
	my ($status,$symb)=@_;
	my $canvote=&Apache::lonnet::EXT('resource.0.discussvote',$symb);
	if ((lc($canvote) eq 'yes') \|\|
	((lc($canvote) eq 'notended') && (&discussion_open($status,$symb)))) {
	return 1;
	}
	}

	sub get_realsymb {
	my ($symb) = @_;
	my $realsymb = $symb;
	if ($symb=~/^bulletin___/) {
	my $filename=(&Apache::lonnet::decode_symb($symb))[2];
	$filename=~s{^adm/wrapper/}{};
	$realsymb=&Apache::lonnet::symbread($filename);
	}
	return $realsymb;
	}

sub list_discussion {	sub list_discussion {
my ($mode,$status,$ressymb,$imsextras,$group)=@_;	my ($mode,$status,$ressymb,$imsextras,$group)=@_;
unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }	unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); }
Line 91 sub list_discussion {	Line 121 sub list_discussion {
if (not &discussion_visible($status)) {	if (not &discussion_visible($status)) {
if ($mode ne 'board') {	if ($mode ne 'board') {
&Apache::lonenc::check_encrypt(\$ressymb);	&Apache::lonenc::check_encrypt(\$ressymb);
return &send_message_link($ressymb);	return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>";
}	}
}	}
if ($group ne '' && $mode eq 'board') {	if ($group ne '' && $mode eq 'board') {
Line 103 sub list_discussion {	Line 133 sub list_discussion {
my ($blocked,$blocktext) =	my ($blocked,$blocktext) =
&Apache::loncommon::blocking_status('boards');	&Apache::loncommon::blocking_status('boards');
if ($blocked) {	if ($blocked) {
	$blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>";
&Apache::lonenc::check_encrypt(\$ressymb);	&Apache::lonenc::check_encrypt(\$ressymb);
if ($mode ne 'board') {	if ($mode ne 'board') {
$blocktext.='<br />'.&send_message_link($ressymb);	$blocktext.=&send_message_link($ressymb).'</div>';
	}else{
	$blocktext.="</div>";
}	}
return $blocktext;	return $blocktext;
}	}

my @bgcols = ("#cccccc","#eeeeee");	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 ''; }
Line 122 sub list_discussion {	Line 155 sub list_discussion {
$crs=~s/\_/\//g;	$crs=~s/\_/\//g;
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)
&& ($ressymb=~/\.(problem\|exam\|quiz\|assess\|survey\|form\|task)$/));	&& ($ressymb=~/$LONCAPA::assess_re/));

my %usernamesort = ();	my %usernamesort = ();
my %namesort =();	my %namesort =();
Line 169 sub list_discussion {	Line 202 sub list_discussion {

my $cdom = $env{'course.'.$cid.'.domain'};	my $cdom = $env{'course.'.$cid.'.domain'};
my $cnum = $env{'course.'.$cid.'.num'};	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 = ();
Line 251 sub list_discussion {	Line 285 sub list_discussion {
} else {	} else {
$seeid=&Apache::lonnet::allowed('rin',$crs);	$seeid=&Apache::lonnet::allowed('rin',$crs);
}	}

	# Is voting on discussions available
	my $realsymb = &get_realsymb($ressymb);
	my $canvote = &discussion_vote_available($status,$realsymb);

my @discussionitems=();	my @discussionitems=();
my %shown = ();	my %shown = ();
my @posteridentity=();	my @posteridentity=();
Line 267 sub list_discussion {	Line 306 sub list_discussion {
my $maxdepth=0;	my $maxdepth=0;
my %anonhash=();	my %anonhash=();
my $anoncnt=0;	my $anoncnt=0;
my $target='';
unless ($env{'browser.interface'} eq 'textual' \|\|
$env{'environment.remote'} eq 'off' ) {
$target='target="LONcom"';
}

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

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

my $discussion='';	my $discussion='';
my $manifestfile;	my $manifestfile;
Line 287 sub list_discussion {	Line 321 sub list_discussion {
my $copyresult;	my $copyresult;

my $function = &Apache::loncommon::get_users_function();	my $function = &Apache::loncommon::get_users_function();
my $color = &Apache::loncommon::designparm($function.'.tabbg',
$env{'user.domain'});
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'cuse' => 'Current discussion settings',	'cuse' => 'My settings for this discussion',
'allposts' => 'All posts',	'allposts' => 'All posts',
'unread' => 'New posts only',	'unread' => 'New posts only',
'unmark' => 'Unread only',	'unmark' => 'Unread only',
Line 312 sub list_discussion {	Line 344 sub list_discussion {
'dpwn' => 'Deleted posts will no longer be visible to you and other students',	'dpwn' => 'Deleted posts will no longer be visible to you and other students',
'bwco' => 'but will continue to be visible to your instructor',	'bwco' => 'but will continue to be visible to your instructor',
'depo' => 'Deleted posts will no longer be visible to you or anyone else.',	'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
	'discussions' => 'DISCUSSIONS'
);	);

my $currdisp = $lt{'allposts'};	my $currdisp = $lt{'allposts'};
Line 352 sub list_discussion {	Line 385 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);	$chglink.=&group_args($group);

Line 363 sub list_discussion {	Line 396 sub list_discussion {
# Print the discusssion	# Print the discusssion
if ($outputtarget eq 'tex') {	if ($outputtarget eq 'tex') {
$discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.	$discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
'\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.	'\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\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') {
Line 398 sub list_discussion {	Line 430 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
Line 412 imscp_v1p1.xsd http://www.imsglobal.org/	Line 443 imscp_v1p1.xsd http://www.imsglobal.org/
}	}
} else {	} else {
my $colspan=$maxdepth+1;	my $colspan=$maxdepth+1;
$discussion.= qq\|	$discussion.= &Apache::lonhtmlcommon::scripttag(qq\|
<script>
function verifydelete (caller,symb,idx,newflag,previous,groupparm) {	function verifydelete (caller,symb,idx,newflag,previous,groupparm) {
var symbparm = symb+':::'+idx	var symbparm = symb+':::'+idx
var prevparm = ""	var prevparm = ""
if (newflag == 1) {	if (newflag == 1) {
prevparm = "&previous="+previous	prevparm = "&previous="+previous
}	}
if (caller == 'studentdelete') {	if (caller == 'studentdelete') {
if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {	if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) {
Line 432 imscp_v1p1.xsd http://www.imsglobal.org/	Line 462 imscp_v1p1.xsd http://www.imsglobal.org/
}	}
}	}
}	}
</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 width="100%" class="LC_discussion">';
$discussion .= &action_links_bar($colspan,$ressymb,$visible,	$discussion .= &action_links_bar($colspan,$ressymb,$visible,
$newpostsflag,$group,	$newpostsflag,$group,
$prevread,$markondisp);	$prevread,$markondisp);
Line 445 imscp_v1p1.xsd http://www.imsglobal.org/	Line 475 imscp_v1p1.xsd http://www.imsglobal.org/
$discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.	$discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'.
'<a href="/adm/feedback?allposts=1&symb='.$escsymb;	'<a href="/adm/feedback?allposts=1&symb='.$escsymb;
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .= '&previous='.$prevread;	$discussion .= '&previous='.$prevread;
}	}
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.	$discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '.
Line 497 imscp_v1p1.xsd http://www.imsglobal.org/	Line 527 imscp_v1p1.xsd http://www.imsglobal.org/
my $thisdepth=$depth[$alldiscussion{$post}];	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>';
}	}
}	}
my $colspan=$maxdepth-$thisdepth+1;	my $colspan=$maxdepth-$thisdepth+1;
Line 510 imscp_v1p1.xsd http://www.imsglobal.org/	Line 540 imscp_v1p1.xsd http://www.imsglobal.org/
$threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';	$threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>';
}	}
$discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;	$discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/;
$discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit\|Hide\|Delete\|Reply\|Submissions)<\/a>//g;
$discussionitems[$alldiscussion{$post}]=~s/(<b>\|<\/b>\|<\/a>\|<a([^>]+)>)//g;	$discussionitems[$alldiscussion{$post}]=~s/(<b>\|<\/b>\|<\/a>\|<a([^>]+)>)//g;

$discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];	$discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}];
Line 525 imscp_v1p1.xsd http://www.imsglobal.org/	Line 554 imscp_v1p1.xsd http://www.imsglobal.org/
print $manifestfile "\n".	print $manifestfile "\n".
'<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.	'<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'.
$imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.	$imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'.
'<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>';	'<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>';
$imsresources .= "\n".	$imsresources .= "\n".
'<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".	'<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n".
'<file href="'.$postfilename.'">'."\n".	'<file href="'.$postfilename.'">'."\n".
$imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n".	$imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n".
'</resource>';	'</resource>';
}	}
my $postingfile;	my $postingfile;
Line 547 imscp_v1p1.xsd http://www.imsglobal.org/	Line 576 imscp_v1p1.xsd http://www.imsglobal.org/
}	}
$copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);	$copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport);
} else {	} else {
$discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$post}}].	$discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}].
'" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].	'" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}].
'</td></tr>';	'</td></tr>';
}	}
Line 556 imscp_v1p1.xsd http://www.imsglobal.org/	Line 585 imscp_v1p1.xsd http://www.imsglobal.org/
unless ($outputtarget eq 'tex' \|\| $outputtarget eq 'export') {	unless ($outputtarget eq 'tex' \|\| $outputtarget eq 'export') {
my $colspan=$maxdepth+1;	my $colspan=$maxdepth+1;
$discussion .= <<END;	$discussion .= <<END;
<tr bgcolor="#FFFFFF">	<tr>
<td colspan="$colspan" valign="top">	<td colspan="$colspan">
<table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2">	<table width="100%">
<tr>	<tr>
<td align="left">	<td class="LC_disc_action_left">
<table border="0" cellpadding="0" cellspacing="4">	<font size="-1"><b>$lt{'cuse'}</b>:
<tr>
<td>
<font size="-1"><b>$lt{'cuse'}</b>:</td>
<td> </td>
<td><font size="-1">
END	END
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .=	$discussion .=
Line 583 END	Line 607 END
}	}
}	}
$discussion .= <<END;	$discussion .= <<END;
</font></td>	<b><a href="$chglink">$lt{'chgt'}</a></b></font>
<td> </td>
<td align="left">
<font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b>
</td>
</tr>
</table>
</td>	</td>
END	END
if ($sortposts) {	if ($sortposts) {
my %sort_types = ();	my %sort_types = ();
my %role_types = ();	my %role_types = ();
my %status_types = ();	my %status_types = ();
&sort_filter_names(\%sort_types,\%role_types,\%status_types);	&sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);

$discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />';	$discussion .= '<td class="LC_disc_action_right"><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$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) {
Line 625 END	Line 643 END
$filterchoice .= ' '.$role_types{$role}.',';	$filterchoice .= ' '.$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{$statusfilter};
Line 633 END	Line 651 END
if ($filterchoice) {	if ($filterchoice) {
$discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;	$discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice;
}	}
$discussion .= '</font></td>';
}	}
	$discussion .= '</font></td>';

}	}
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 653 END	Line 672 END
$discussion .= &action_links_bar($colspan,$ressymb,$visible,	$discussion .= &action_links_bar($colspan,$ressymb,$visible,
$newpostsflag,$group,	$newpostsflag,$group,
$prevread,$markondisp);	$prevread,$markondisp);
$discussion .= "	$discussion .= "</table></form>\n";
</table>
<br /><br /></form>\n";
}	}
if ($outputtarget eq 'export') {	if ($outputtarget eq 'export') {
if ($manifestok) {	if ($manifestok) {
Line 715 END	Line 732 END
$attachnum += @{$currnewattach};	$attachnum += @{$currnewattach};
}	}
}	}
if (&discussion_open($status)) {	if ((&discussion_open($status)) && ($outputtarget ne 'tex')) {
if (($group ne '') && ($mode eq 'board')) {	if (($group ne '') && ($mode eq 'board')) {
if (&check_group_priv($group,'pgd') eq 'ok') {	if ((&check_group_priv($group,'pgd') eq 'ok') &&
	($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) {
$discussion .=	$discussion .=
&postingform_display($mode,$ressymb,$now,$subject,	&postingform_display($mode,$ressymb,$now,$subject,
$comment,$outputtarget,$attachnum,	$comment,$outputtarget,$attachnum,
$currnewattach,$currdelold,	$currnewattach,$currdelold,
$group);	$group,$crstype);
}	}
} else {	} else {
$discussion.=	if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}.
&postingform_display($mode,$ressymb,$now,$subject,	($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {
$comment,$outputtarget,$attachnum,
$currnewattach,$currdelold);	$discussion.=
	&postingform_display($mode,$ressymb,$now,$subject,
	$comment,$outputtarget,$attachnum,
	$currnewattach,$currdelold,'',$crstype);
	} else {
	$discussion.= '<span class="LC_feedback_link">'.
	&mt('This discussion is closed.').'</span>';
	}
}	}
}	}
} else {	if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) {
$discussion.='<table class="LC_feedback_link"><tr><td>';	$discussion.= '<span class="LC_feedback_link">'.
	&mt('This discussion is closed.').'</span>';
	}
	} elsif ($outputtarget ne 'tex') {
	$discussion.='<div class="LC_feedback_link">';
if (&discussion_open($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') {	$discussion.= &send_feedback_link($ressymb);
$discussion.= &send_feedback_link($ressymb,$target).	if ($env{'request.role.adv'}) {
'<br />';	my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb);
	my $canvote = &Apache::lonnet::EXT('resource.0.discussvote',$ressymb);
	if (defined($close) && $close ne '' && $close < time) {
	if ($canvote eq 'notended') {
	$discussion .= ' '.&mt('(Posting and voting closed for [_1] roles)',
	&Apache::lonnet::plaintext('st',$crstype));
	} else {
	$discussion .= ' '.&mt('(Closed for [_1] roles)',
	&Apache::lonnet::plaintext('st',$crstype));
	}
	}
}	}
}	} else {
if ($outputtarget ne 'tex') {	$discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>';
$discussion.= &send_message_link($ressymb);
}	}
$discussion.='</td></tr></table>';	$discussion.= &send_message_link($ressymb).'</div>';
}	}
return $discussion;	return $discussion;
}	}


	sub discussion_link {
	my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds,$title)=@_;
	my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item;
	if ($flag) { $link .= '&previous='.$prev; }
	if ($adds) { $link .= $adds; }
	my $width=600;
	my $height=600;
	if (($cmd eq 'hide') \|\| ($cmd eq 'unhide') \|\| ($cmd eq 'like') \|\| ($cmd eq 'unlike')) {
	$width=300;
	$height=200;
	}
	return &Apache::loncommon::modal_link($link,$linktext,$width,$height,undef,undef,$title);
	}


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

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

sub action_links_bar {	sub action_links_bar {
my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;	my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_;
my $discussion = '<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'.	my $discussion = '<tr><td colspan="'.$colspan.'">'.
'<table border="0" width="100%" bgcolor="#DDDDBB"><tr>';	'<table width="100%"><tr>'.
	'<td class="LC_disc_action_left">';
my $escsymb=&escape($ressymb);	my $escsymb=&escape($ressymb);
if ($visible>2) {	if ($visible) {
$discussion .= '<td align="left">'.	$discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
'<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb;
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .= '&previous='.$prevread;	$discussion .= '&previous='.$prevread;
}	}
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .='">'.&mt('Threaded View').'</a>  '.	$discussion .='">'.&mt('Threaded View').'</a>  '.
'<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;	'<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb;
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .= '&previous='.$prevread;	$discussion .= '&previous='.$prevread;
}	}
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .='">'.&mt('Chronological View').'</a>	$discussion .='">'.&mt('Chronological View').'</a>  ';
<a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb;
	my $otherviewurl='/adm/feedback?cmd=sortfilter&symb='.$escsymb.'&inhibitmenu=yes&modal=yes';
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .= '&previous='.$prevread;	$otherviewurl .= '&previous='.$prevread;
}	}
$discussion .= &group_args($group);	$otherviewurl .= &group_args($group);
$discussion .='">'.&mt('Sorting/Filtering options').'</a> &nbsp';	$discussion .= &Apache::loncommon::modal_link($otherviewurl,&mt('Other Views ...'),800,340);
} else {	$discussion .= '<br />';
$discussion .= '<td align="left">';
}	}
$discussion .='<a href= "/adm/feedback?export='.$escsymb;	$discussion .='<a href="/adm/feedback?export='.$escsymb;
if ($newpostsflag) {	if ($newpostsflag) {
$discussion .= '&previous='.$prevread;	$discussion .= '&previous='.$prevread;
}	}
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .= '">'.&mt('Export').'?</a>  </td>';	$discussion .= '">'.&mt('Export').'</a>';
	if (&Apache::lonnet::allowed('rin',$env{'request.course.id'})) {
	$discussion .= '  ';
	$discussion .='<a href="/adm/feedback?undeleteall='.$escsymb;
	if ($newpostsflag) {
	$discussion .= '&previous='.$prevread;
	}
	$discussion .= &group_args($group);
	$discussion .= '">'.&mt('Undelete all deleted entries').'</a>';
	}
	$discussion.='</td>';
if ($newpostsflag) {	if ($newpostsflag) {
if (!$markondisp) {	if (!$markondisp) {
$discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions';	$discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions';
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .= '">'.	$discussion .= '">'.
&mt('Preferences on what is marked as NEW').	&mt('My general preferences on what is marked as NEW').
'</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;	'</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb;
$discussion .= &group_args($group);	$discussion .= &group_args($group);
$discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>';	$discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>';
} else {	} else {
$discussion .= '<td> </td>';	$discussion .= '<td> </td>';
}	}
Line 826 sub action_links_bar {	Line 892 sub action_links_bar {

sub postingform_display {	sub postingform_display {
my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,	my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum,
$currnewattach,$currdelold,$group) = @_;	$currnewattach,$currdelold,$group,$crstype) = @_;
my $newattachmsg;	my $newattachmsg;
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',	'note' => 'Note: in anonymous discussion, your name is visible only to course faculty',
Line 835 sub postingform_display {	Line 901 sub postingform_display {
'poan' => 'Post Anonymous Discussion',	'poan' => 'Post Anonymous Discussion',
'newa' => 'New attachments',	'newa' => 'New attachments',
);	);
my $postingform = (<<ENDDISCUSS);	if ($crstype eq 'Community') {
	$lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
	}
	my ($postingform,$textareaclass);
	if (&Apache::lonhtmlcommon::htmlareabrowser()) {
	$postingform = &Apache::lonhtmlcommon::htmlareaselectactive();
	$textareaclass = 'class="LC_richDefaultOff"';
	if ($env{'request.course.id'}) {
	unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\syes\s$/i) \|\| ($env{'form.sendmessageonly'})) {
	undef($textareaclass);
	}
	}
	}
	$postingform .= (<<ENDDISCUSS);
<form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" />	<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="$ressymb" />	<input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" />
<input type="hidden" name="sendit" value="true" />	<input type="hidden" name="sendit" value="true" />
<input type="hidden" name="timestamp" value="$now" />	<input type="hidden" name="timestamp" value="$now" />
<br /><a name="newpost"></a>	<a name="newpost"></a>
<font size="1">$lt{'note'}</font><br />	<font size="1">$lt{'note'}</font><br />
<b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br />	<b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br />
<textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea>	<textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea>
ENDDISCUSS	ENDDISCUSS
if ($env{'form.origpage'}) {	if ($env{'form.origpage'}) {
$postingform .= '<input type="hidden" name="origpage" value="'.	$postingform .= '<input type="hidden" name="origpage" value="'.
Line 862 ENDDISCUSS	Line 941 ENDDISCUSS
}	}
my $blockblog = &Apache::loncommon::blocking_status('blogs');	my $blockblog = &Apache::loncommon::blocking_status('blogs');
if (!$blockblog) {	if (!$blockblog) {
$postingform .= &add_blog_checkbox();	$postingform .= &add_blog_checkbox($crstype);
}	}
$postingform .= "</form>\n";	$postingform .= "</form>\n";
if ($outputtarget ne 'tex') {	$postingform .= &generate_attachments_button('',$attachnum,$ressymb,
$postingform .= &generate_attachments_button('',$attachnum,$ressymb,
$now,$currnewattach,	$now,$currnewattach,
$currdelold,'',$mode,	$currdelold,'',$mode,
$blockblog);	$blockblog);
if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {	if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
$newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';	$newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />';
if (@{$currnewattach} > 1) {	if (@{$currnewattach} > 1) {
$newattachmsg .= '<ol>';	$newattachmsg .= '<ol>';
foreach my $item (@{$currnewattach}) {	foreach my $item (@{$currnewattach}) {
$item =~ m#.*/([^/]+)$#;	$item =~ m#.*/([^/]+)$#;
$newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";	$newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n";
}	}
$newattachmsg .= '</ol>'."\n";	$newattachmsg .= '</ol>'."\n";
} else {	} else {
$$currnewattach[0] =~ m#.*/([^/]+)$#;	$$currnewattach[0] =~ m#.*/([^/]+)$#;
$newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";	$newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n";
}	}
}
$postingform .= $newattachmsg;
$postingform .= &generate_preview_button();
}	}
	$postingform .= $newattachmsg;
	$postingform .= &generate_preview_button();
return $postingform;	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,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;	my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$canvote,$prevread,$sortposts,$ressymb,$readkey,$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 $skip_group_check = 0;
my $symb=&Apache::lonenc::check_decrypt($ressymb);	my $symb=&Apache::lonenc::check_decrypt($ressymb);
my $escsymb=&escape($ressymb);	my $escsymb=&escape($ressymb);
	# These are the discussion contributions
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 (%likes,%userlikes,%userunlikes,@theselikes,$oneplus,$twoplus,$oneminus,$twominus);
	my $thisuser=$env{'user.name'}.':'.$env{'user.domain'};
	if ($seeid \|\| $canvote) {
	# And these are the likes/unlikes
	%likes=&Apache::lonnet::dump('disclikes',
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'},
	'^'.$symb.':');
	# Array with likes to figure out averages, etc.
	@theselikes=();
	# Hashes containing likes and unlikes for this user.
	%userlikes=();
	%userunlikes=();
	}
	# Is the user allowed to see the real name behind anonymous postings?
	my $see_anonymous =
	&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));

if ((@{$grouppick} == 0) \|\| (grep(/^all$/,@{$grouppick}))) {	if ((@{$grouppick} == 0) \|\| (grep(/^all$/,@{$grouppick}))) {
$skip_group_check = 1;	$skip_group_check = 1;
}	}
	# Deletions and hiddens are just lists. Split them up into a hash for quicker lookup
	my (%deletions,%hiddens);
	if ($contrib{'deleted'}) {
	my $deleted = $contrib{'deleted'};
	$deleted =~ s/^\.//;
	$deleted =~ s/\.$//;
	%deletions = map { $_ => 1 } (split(/\.\./,$deleted));
	}
	if ($contrib{'hidden'}) {
	my $hidden = $contrib{'hidden'};
	$hidden =~ s/^\.//;
	$hidden =~ s/\.$//;
	%hiddens = map { $_ => 1 } (split(/\.\./,$hidden));
	}
	# Versions if store/restore are used to actually store the messages.
if ($contrib{'version'}) {	if ($contrib{'version'}) {
my $oldest = $contrib{'1:timestamp'};	my $oldest = $contrib{'1:timestamp'};
if ($prevread eq '0') {	if ($prevread eq '0') {
Line 914 sub build_posting_display {	Line 1024 sub build_posting_display {
($skiptest,$roleregexp,$secregexp,$statusregexp) =	($skiptest,$roleregexp,$secregexp,$statusregexp) =
&filter_regexp($rolefilter,$sectionpick,$statusfilter);	&filter_regexp($rolefilter,$sectionpick,$statusfilter);
$rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;	$rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
}	}
	if ($seeid \|\| $canvote) {
	# We need to go through this twice, first to get the likes/dislikes, then to actually build the display
	for (my $id=1;$id<=$contrib{'version'};$id++) {
	my $idx=$id;
	next if ($contrib{$idx.':deleted'});
	next if ($contrib{$idx.':hidden'});
	unless ((($hiddens{$idx}) && (!$seeid)) \|\| ($deletions{$idx}) \|\| (!$contrib{$idx.':message'})) {
	if ($likes{$symb.':'.$idx.':likes'} ne '') {
	push(@theselikes,$likes{$symb.':'.$idx.':likes'});
	if (ref($likes{$symb.':'.$idx.':likers'}) eq 'HASH') {
	if (exists($likes{$symb.':'.$idx.':likers'}{$thisuser})) {
	$userlikes{$idx} = 1;
	}
	}
	if (ref($likes{$symb.':'.$idx.':unlikers'}) eq 'HASH') {
	if (exists($likes{$symb.':'.$idx.':unlikers'}{$thisuser})) {
	$userunlikes{$idx} = 1;
	}
	}
	}
	}
	}
	# Figure out average likes and standard deviation if there are enough
	# discussions to warrant that
	my $ave=0;
	my $stddev=10000;
	if ($#theselikes>1) {
	my $sum=0;
	my $num=$#theselikes+1;
	foreach my $thislike (@theselikes) {
	$sum+=$thislike;
	}
	$ave=$sum/$num;
	my $sumsq=0;
	foreach my $thislike (@theselikes) {
	$sumsq+=($thislike-$ave)*($thislike-$ave);
	}
	$stddev=sqrt($sumsq/$num);
	}
	# Now we know the average likes $ave and the standard deviation $stddev
	# Get the boundaries for markup
	$oneplus=$ave+$stddev;
	$twoplus=$ave+2.*$stddev;
	$oneminus=$ave-$stddev;
	$twominus=$ave-2.*$stddev;
	}
	#
	# This is now the real loop. Go through all entries, pick up what we need
	#
for (my $id=1;$id<=$contrib{'version'};$id++) {	for (my $id=1;$id<=$contrib{'version'};$id++) {
my $idx=$id;	my $idx=$id;
	next if ($contrib{$idx.':deleted'});
	next if ($contrib{$idx.':hidden'});
	# If we get here, we are actually going to display the message - we don't know where and we don't know if we display
	# previous edits, but it counts as one entry
my $posttime = $contrib{$idx.':timestamp'};	my $posttime = $contrib{$idx.':timestamp'};
if ($prevread <= $posttime) {	if ($prevread <= $posttime) {
$$newpostsflag = 1;	$$newpostsflag = 1;
}	}
my $hidden=($contrib{'hidden'}=~/\.$idx\./);
my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);	my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
my $deleted=($contrib{'deleted'}=~/\.$idx\./);
my $origindex='0.';	my $origindex='0.';
my $numoldver=0;	my $numoldver=0;
if ($contrib{$idx.':replyto'}) {	if ($contrib{$idx.':replyto'}) {
Line 947 sub build_posting_display {	Line 1108 sub build_posting_display {
} else {	} else {
$$replies[$$depth[$idx]]=1;	$$replies[$$depth[$idx]]=1;
}	}
unless ((($hidden) && (!$seeid)) \|\| ($deleted)) {	unless ((($hiddens{$idx}) && (!$seeid)) \|\| ($deletions{$idx})) {
$$visible++;	$$visible++;
if ($contrib{$idx.':history'}) {	if ($contrib{$idx.':history'}) {
if ($contrib{$idx.':history'} =~ /:/) {	if ($contrib{$idx.':history'} =~ /:/) {
Line 962 sub build_posting_display {	Line 1123 sub build_posting_display {
my %subjects = ();	my %subjects = ();
my %attachtxt = ();	my %attachtxt = ();
my %allattachments = ();	my %allattachments = ();
my ($screenname,$plainname);	my ($screenname,$plainname,$showaboutme);
my $sender = &mt('Anonymous');	my $sender = &mt('Anonymous');
# Anonymous users getting number within a discussion	# Anonymous users getting number within a discussion
# Since idx is in static order, this should give the same sequence every time.	# Since idx is in static order, this should give the same sequence every time.
Line 972 sub build_posting_display {	Line 1133 sub build_posting_display {
$$anonhash{$key}=&mt('Anonymous').' '.$anoncnt;	$$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,$imsfiles,\$screenname,\$plainname,\$showaboutme,$numoldver);


# Set up for sorting by subject	# Set up for sorting by subject
Line 981 sub build_posting_display {	Line 1142 sub build_posting_display {
$message.=$attachtxt{$numoldver};	$message.=$attachtxt{$numoldver};
$subject=$subjects{$numoldver};	$subject=$subjects{$numoldver};
if ($message) {	if ($message) {
if ($hidden) {	if ($hiddens{$idx}) {
$message='<font color="#888888">'.$message.'</font>';	$message='<font color="#888888">'.$message.'</font>';
if ($studenthidden) {	if ($studenthidden) {
$message .='<br /><br />Deleted by poster (student).';	$message .='<br /><br />Deleted by poster (student).';
Line 1001 sub build_posting_display {	Line 1162 sub build_posting_display {
@{$$subjectsort{$subject}} = ("$idx");	@{$$subjectsort{$subject}} = ("$idx");
}	}
}	}
if ((!$contrib{$idx.':anonymous'}) \|\| (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {	if (!$contrib{$idx.':anonymous'} \|\| $see_anonymous) {
$sender=&Apache::loncommon::aboutmewrapper(	if ($showaboutme) {
$plainname,	$sender = &Apache::loncommon::aboutmewrapper(
$contrib{$idx.':sendername'},	$plainname,
$contrib{$idx.':senderdomain'}).' ('.	$contrib{$idx.':sendername'},
$contrib{$idx.':sendername'}.' at '.	$contrib{$idx.':senderdomain'});
$contrib{$idx.':senderdomain'}.')';	} else {
	$sender = $plainname;
	}
	if ($see_anonymous) {
	$sender .= ' ('.$contrib{$idx.':sendername'}.':'.
	$contrib{$idx.':senderdomain'}.')';
	}
	$sender = '<b>'.$sender.'</b>';
if ($contrib{$idx.':anonymous'}) {	if ($contrib{$idx.':anonymous'}) {
$sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.	$sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '.
$screenname;	$screenname;
}	}
$sender.=&Apache::loncommon::studentimagetag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'});	if ($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'}}} = ();
Line 1042 sub build_posting_display {	Line 1212 sub build_posting_display {
} else {	} else {
@{$$namesort{$lastname}{$firstname}} = ("$idx");	@{$$namesort{$lastname}{$firstname}} = ("$idx");
}	}
if (&editing_allowed($escsymb.':::'.$idx,$group)) {	if ($outputtarget ne 'tex') {
if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {	# Add karma stars
$sender.=' <a href="/adm/feedback?editdisc='.	my $karma=&userkarma($contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
$escsymb.':::'.$idx;	for (my $i=1;$i<=$karma;$i++) {
if ($$newpostsflag) {	$sender.='<img border="0" src="/res/adm/pages/star.gif" alt="'.&mt('Contributor Kudos').'" />';
$sender .= '&previous='.$prevread;
}
$sender .= &group_args($group);
$sender .= '" '.$target.'>'.&mt('Edit').'</a>';

unless ($seeid) {
my $grpargs = &group_args($group);
$sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
$sender .= '">'.&mt('Delete').'</a>';
}
}	}
}	# Can people edit this?
if ($seeid) {	if (&editing_allowed($escsymb.':::'.$idx,$group)) {
if ($hidden) {	if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
unless ($studenthidden) {	$sender.=' '.
$sender.=' <a href="/adm/feedback?unhide='.	&discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group));
$escsymb.':::'.$idx;	unless ($seeid) {
if ($$newpostsflag) {	my $grpargs = &group_args($group);
$sender .= '&previous='.$prevread;	$sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')";
	$sender .= '">'.&mt('Delete').'</a>';
}	}
$sender .= '">'.&mt('Make Visible').'</a>';
}	}
} else {	}
$sender.=' <a href="/adm/feedback?hide='.	if ($seeid) {
$escsymb.':::'.$idx;	if ($hiddens{$idx}) {
if ($$newpostsflag) {	unless ($studenthidden) {
$sender .= '&previous='.$prevread;	$sender.=' '.
}	&discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group));
$sender .= &group_args($group);	}
$sender .= '">'.&mt('Hide').'</a>';	} else {
}	$sender.=' '.
my $grpargs = &group_args($group);	&discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group));
$sender.=	}
" <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";	my $grpargs = &group_args($group);
$sender .= &mt('Delete').'</a>';	$sender.=
	" <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">";
	$sender .= &mt('Delete').'</a>';
	}
}	}
} else {	} else {
if ($screenname) {	if ($screenname) {
$sender='<i>'.$screenname.'</i>';	$sender='<i>'.$screenname.'</i>';
} else {	} else {
$sender='<i>'.$$anonhash{$key}.'</i>';	$sender='<i>'.$$anonhash{$key}.'</i>';
}	}
	$sender = '<b>'.$sender.'</b>';
# Set up for sorting by domain, then username for anonymous	# Set up for sorting by domain, then username for anonymous
unless (defined($$usernamesort{'__anon'})) {	unless (defined($$usernamesort{'__anon'})) {
%{$$usernamesort{'__anon'}} = ();	%{$$usernamesort{'__anon'}} = ();
Line 1108 sub build_posting_display {	Line 1272 sub build_posting_display {
@{$$namesort{'__anon'}{'__anon'}} = ("$idx");	@{$$namesort{'__anon'}{'__anon'}} = ("$idx");
}	}
}	}
if (&discussion_open($status)) {	if ($outputtarget ne 'tex') {
if (($group ne '') &&	if (&discussion_open($status)) {
(&check_group_priv($group,'pgd') eq 'ok')) {	if (($group ne '') &&
$sender.=' <a href="/adm/feedback?replydisc='.	(&check_group_priv($group,'pgd') eq 'ok')) {
$escsymb.':::'.$idx;	$sender.=' '.
if ($$newpostsflag) {	&discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group));
$sender .= '&previous='.$prevread;	} elsif (&Apache::lonnet::allowed('pch',
}	$env{'request.course.id'}.
$sender .= &group_args($group);	($env{'request.course.sec'}?'/'.
$sender .= '" '.$target.'>'.&mt('Reply').'</a>';	$env{'request.course.sec'}:''))) {
} elsif (&Apache::lonnet::allowed('pch',	$sender.=' '.
$env{'request.course.id'}.	&discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread);
($env{'request.course.sec'}?'/'.
$env{'request.course.sec'}:''))) {
$sender.=' <a href="/adm/feedback?replydisc='.
$escsymb.':::'.$idx;
if ($$newpostsflag) {
$sender .= '&previous='.$prevread;
}	}
$sender .= '" '.$target.'>'.&mt('Reply').'</a>';
}	}
}	if ($viewgrades) {
if ($viewgrades) {	$vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
$vgrlink=&Apache::loncommon::submlink('Submissions',	$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);	}
}	if ($$dischash{$readkey}=~/\.$idx\./) {
if ($$dischash{$readkey}=~/\.$idx\./) {	$ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';
$ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>';	} else {
} else {	$ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';
$ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>';	}
}	}
}	}
#figure out at what position this needs to print	#figure out at what position this needs to print
Line 1154 sub build_posting_display {	Line 1311 sub build_posting_display {
if ($outputtarget eq 'export') {	if ($outputtarget eq 'export') {
%{$$imsitems{$idx}} = ();	%{$$imsitems{$idx}} = ();
$$imsitems{$idx}{'isvisible'}='true';	$$imsitems{$idx}{'isvisible'}='true';
if ($hidden) {	if ($hiddens{$idx}) {
$$imsitems{$idx}{'isvisible'}='false';	$$imsitems{$idx}{'isvisible'}='false';
}	}
$$imsitems{$idx}{'title'}=$subjects{$numoldver};	$$imsitems{$idx}{'title'}=$subjects{$numoldver};
Line 1162 sub build_posting_display {	Line 1319 sub build_posting_display {
$$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';	$$imsitems{$idx}{'isanonymous'}='false';
if ($contrib{$idx.':anonymous'}) {	if ($contrib{$idx.':anonymous'}) {
Line 1176 sub build_posting_display {	Line 1333 sub build_posting_display {
} else {	} else {
if ($message) {	if ($message) {
my $spansize = 2;	my $spansize = 2;
	my ($uname,$udom);
if ($showonlyunread && $prevread > $posttime) {	if ($showonlyunread && $prevread > $posttime) {
$$notshown{$idx} = 1;	$$notshown{$idx} = 1;
} elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {	} elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) {
$$notshown{$idx} = 1;	$$notshown{$idx} = 1;
} else {	} else {
# apply filters	# apply filters
my $uname = $contrib{$idx.':sendername'};	$uname = $contrib{$idx.':sendername'};
my $udom = $contrib{$idx.':senderdomain'};	$udom = $contrib{$idx.':senderdomain'};
my $poster = $uname.':'.$udom;	my $poster = $uname.':'.$udom;
if ($env{'form.totposters'} ne '') {	if ($env{'form.totposters'} ne '') {
if ($totposters == 0) {	if ($totposters == 0) {
Line 1234 sub build_posting_display {	Line 1392 sub build_posting_display {
unless ($$notshown{$idx} == 1) {	unless ($$notshown{$idx} == 1) {
if ($prevread > 0 && $prevread <= $posttime) {	if ($prevread > 0 && $prevread <= $posttime) {
$$newitem{$idx} = 1;	$$newitem{$idx} = 1;
$$discussionitems[$idx] .= '	$$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').'  </b></font>';
<p><table border="0" width="100%">
<tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>';
} else {	} else {
$$newitem{$idx} = 0;	$$newitem{$idx} = 0;
$$discussionitems[$idx] .= '	}
<p><table border="0" width="100%">	$$discussionitems[$idx] .= '<b>'.$subject.'</b>  '.
<tr><td align="left"> </td>';	$sender.' '.$vgrlink.' ('.
}	&Apache::lonlocal::locallocaltime($posttime).')';
$$discussionitems[$idx] .= '<td align ="left">  '.
'<b>'.$subject.'</b>  '.
$sender.'</b> '.$vgrlink.' ('.
&Apache::lonlocal::locallocaltime($posttime).')</td>';
if ($$dischash{$toggkey}) {	if ($$dischash{$toggkey}) {
$$discussionitems[$idx].='<td align="right">  '.	$$discussionitems[$idx].='  '.$ctlink;
$ctlink.'</td>';	}
	my $thislikes=$likes{$symb.':'.$idx.':likes'};
	my $likesize="100";
	if ($seeid \|\| $canvote) {
	# Figure out size based on likes
	my $thislikes=$likes{$symb.':'.$idx.':likes'};
	if ($thislikes>$twoplus) {
	$likesize="200";
	} elsif ($thislikes>$oneplus) {
	$likesize="150";
	}
	if ($thislikes<$twominus) {
	$likesize="50";
	} elsif ($thislikes<$oneminus) {
	$likesize="75";
	}
	}
	# Actually glue in the message itself
	$$discussionitems[$idx].= '<br /><blockquote>'.
	"<div style='font-size:$likesize%'>".
	$message.
	'</div></blockquote>';
	if ($canvote) {
	# Put in the like and unlike buttons
	if (($uname eq $env{'user.name'}) && ($udom eq $env{'user.domain'})) {
	my $novote = &mt('No voting for your own posts');
	$$discussionitems[$idx].=
	'<a href="javascript:alert('."'$novote'".');" style="text-decoration: none;">'.
	'<img border="0" src="/res/adm/pages/thumbsup_novote.png" alt="'.$novote.'" /> '.
	'<img border="0" src="/res/adm/pages/thumbsdown_novote.png" alt="'.$novote.'" /></a>';
	} else {
	if ($userlikes{$idx}) {
	$$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsup_gray.png" alt="'.&mt('You like this posting').'" />';
	} else {
	$$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsup.png" alt="'.&mt('Like').'" />','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting"));
	}
	if ($userunlikes{$idx}) {
	$$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsdown_gray.png" alt="'.&mt('You unlike this posting').'" />';
	} else {
	$$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsdown.png" alt="'.&mt('Unlike').'" />','unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting"));
	}
	}
}	}
$$discussionitems[$idx].= '</tr></table><blockquote>'.	if ($seeid \|\| $canvote) {
$message.'</blockquote></p>';	my $thislikes=$likes{$symb.':'.$idx.':likes'};
	if ($thislikes>0) {
	$$discussionitems[$idx].=' ('.&mt("[_1] likes",$thislikes).')';
	} elsif ($thislikes<0) {
	$$discussionitems[$idx].=' ('.&mt("[_1] unlikes",abs($thislikes)).')';
	}
	}
	# If there is any history to this post, inform the reader
if ($contrib{$idx.':history'}) {	if ($contrib{$idx.':history'}) {
my @postversions = ();	my @postversions = ();
$$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[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx;	$$discussionitems[$idx] .= '  '.
$$discussionitems[$idx] .= &group_args($group);	&discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group));
$$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/:/) {
Line 1272 sub build_posting_display {	Line 1471 sub build_posting_display {
$$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';	$$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
}	}
}	}
	# end of unless ($$notshown ...)
}	}
	# end of if ($message) ...
}	}
	# end of the else-branch of target being export
}	}
	# end of unless hidden or deleted
}	}
	# end of the loop over all discussion entries
}	}
	# end of "if there actually are any discussions
}	}
	# end of subroutine "build_posting_display"
}	}

sub filter_regexp {	sub filter_regexp {
Line 1336 sub filter_regexp {	Line 1542 sub filter_regexp {


sub get_post_contents {	sub get_post_contents {
my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_;	my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$showaboutme,$numver) = @_;
my $discussion = '';	my $discussion = '';
my $start=$numver;	my $start=$numver;
my $end=$numver + 1;	my $end=$numver + 1;
Line 1354 sub get_post_contents {	Line 1560 sub get_post_contents {
$$contrib{$idx.':sendername'},	$$contrib{$idx.':sendername'},
$$contrib{$idx.':senderdomain'});	$$contrib{$idx.':senderdomain'});
$$screenname=$$contrib{$idx.':screenname'};	$$screenname=$$contrib{$idx.':screenname'};
	$$showaboutme = &Apache::lonnet::usertools_access($$contrib{$idx.':sendername'},
my $sender=&Apache::loncommon::aboutmewrapper(	$$contrib{$idx.':senderdomain'},
	'aboutme');
	my $sender = $$plainname;
	if ($$showaboutme) {
	$sender = &Apache::loncommon::aboutmewrapper(
$$plainname,	$$plainname,
$$contrib{$idx.':sendername'},	$$contrib{$idx.':sendername'},
$$contrib{$idx.':senderdomain'}).' ('.	$$contrib{$idx.':senderdomain'});
$$contrib{$idx.':sendername'}.' at '.	}
$$contrib{$idx.':senderdomain'}.')';	if ($seeid) {
	$sender .= ' ('.$$contrib{$idx.':sendername'}.':'.
	$$contrib{$idx.':senderdomain'}.')';
	}
my $attachmenturls = $$contrib{$idx.':attachmenturl'};	my $attachmenturls = $$contrib{$idx.':attachmenturl'};
my @postversions = ();	my @postversions = ();
if ($type eq 'allversions' \|\| $type eq 'export') {	if ($type eq 'allversions' \|\| $type eq 'export') {
Line 1387 sub get_post_contents {	Line 1600 sub get_post_contents {
my ($timesent,$attachmsg);	my ($timesent,$attachmsg);
my %currattach = ();	my %currattach = ();
$timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);	$timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
&newline_to_br(\$messages->{$i});	unless (&contains_block_html($messages->{$i})) {
	&newline_to_br(\$messages->{$i});
	}
$$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($$subjects{$i});
Line 1401 sub get_post_contents {	Line 1616 sub get_post_contents {
foreach my $key (sort(keys(%currattach))) {	foreach my $key (sort(keys(%currattach))) {
if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {	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 />';
}	}
}	}
Line 1468 sub replicate_attachments {	Line 1683 sub replicate_attachments {
}	}

sub mail_screen {	sub mail_screen {
my ($r,$feedurl,$options,$caller_symb) = @_;	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','blog','group','ref']);	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']);
}	}

my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'plch' => 'Please check at least one of the following feedback types:',	'myqu' => 'Question/comment/feedback:',
'myqu' => 'My question/comment/feedback:',
'title' => 'Title',	'title' => 'Title',
'reta' => 'Retained attachments',	'reta' => 'Retained attachments',
'atta' => 'Attachment (128 KB max size)',	'atta' => 'Attachment',
);	);
	if($env{'form.editdisc'} \|\| $env{'form.replydisc'}){
	%lt = &Apache::lonlocal::texthash(
	'myqu' => 'Post Discussion',
	);
	}
my $restitle = &get_resource_title($caller_symb,$feedurl);	my $restitle = &get_resource_title($caller_symb,$feedurl);
my $quote='';	my $quote='';
my $subject = '';	my $subject = '';
Line 1614 END	Line 1833 END
$comment = &unescape($env{'form.comment'});	$comment = &unescape($env{'form.comment'});
&process_attachments(\@currnewattach,\@currdelold,\@keepold);	&process_attachments(\@currnewattach,\@currdelold,\@keepold);
}	}
my $latexHelp=&Apache::loncommon::helpLatexCheatsheet();	my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0));
my $send=&mt('Send');	my $send=&mt('Send');
my $alert = &mt('Please select a feedback type.');	my $alert = &mt('Please select a feedback type.');
my $js= <<END;	my $js= <<END;
Line 1656 END	Line 1875 END
</script>	</script>
END	END

	my ($textareaheader,$textareaclass);
	if (&Apache::lonhtmlcommon::htmlareabrowser()) {
	$textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive();
	$textareaclass = 'class="LC_richDefaultOff"';
	if ($env{'request.course.id'}) {
	unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\syes\s$/i) \|\| ($env{'form.sendmessageonly'})) {
	undef($textareaclass);
	}
	}
	}

	# Breadcrumbs
	my $brcrum = [{'href' => '',
	'text' => 'Resource Feedback and Discussion'}];

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

if ($quote ne '') {	if ($quote ne '') {
&newline_to_br(\$quote);	$quote = &HTML::Entities::decode($quote);
	unless (&contains_block_html($quote)) {
	&newline_to_br(\$quote);
	}
$quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';	$quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>';
}	}
	my $header='';
	unless ($env{'form.modal'}) {
	$header="<h2><tt>$restitle</tt></h2>";
	}
$r->print(<<END);	$r->print(<<END);
$start_page	$start_page
<h2><tt>$restitle</tt></h2>	<h1>$lt{'myqu'}</h1>
	$header
<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="$feedurl" />
	<input type="hidden" name="modal" value="$env{'form.modal'}" />
END	END
if ($env{'form.replydisc'}) {	if ($env{'form.replydisc'}) {
$r->print(<<END);	$r->print(<<END);
Line 1680 END	Line 1923 END
END	END
} elsif ($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);
$lt{'plch'}	$options
$options<hr />
$quote	$quote
<p>$lt{'myqu'}</p>
<p>	<p>
$latexHelp	$textareaheader
$lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p>	</p>
	<br>
<p>	<p>
<textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment	$latexHelp
</textarea></p>	</p>
<p>	<p>
END	END

	$r->print(&Apache::lonhtmlcommon::start_pick_box());
	$r->print(&Apache::lonhtmlcommon::row_title(&mt('Subject')));
	$r->print('<input type="text" name="subject" size="30" value="'.
	$subject.'" /></p>');
	$r->print(&Apache::lonhtmlcommon::row_closure());
	$r->print(&Apache::lonhtmlcommon::row_title(&mt('Message')));
	$r->print('<textarea name="comment" id="comment" cols="60" rows="10" '.
	$textareaclass.'>'.$comment.
	'</textarea>');
	$r->print(&Apache::lonhtmlcommon::row_closure(1));
	$r->print(&Apache::lonhtmlcommon::end_pick_box());

if ( ($env{'form.editdisc'}) \|\| ($env{'form.replydisc'}) ) {	if ( ($env{'form.editdisc'}) \|\| ($env{'form.replydisc'}) ) {
if ($env{'form.origpage'}) {	if ($env{'form.origpage'}) {
foreach my $attach (@currnewattach) {	foreach my $attach (@currnewattach) {
Line 1717 END	Line 1972 END
}	}
} else {	} else {
$r->print(<<END);	$r->print(<<END);
$lt{'atta'}: <input type="file" name="attachment" />	<p>
	$lt{'atta'} $attachmaxtext: <input type="file" name="attachment" />
</p>	</p>
END	END
}	}
Line 1730 END	Line 1986 END
$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
Line 1771 END	Line 2027 END
}	}
}	}
$r->print(&generate_preview_button().	$r->print(&generate_preview_button().
&Apache::lonhtmlcommon::htmlareaselectactive('comment').
&Apache::loncommon::end_page());	&Apache::loncommon::end_page());

}	}
Line 1791 sub print_display_options {	Line 2046 sub print_display_options {
'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 1921 END	Line 2176 END
&Apache::loncommon::end_page();	&Apache::loncommon::end_page();
$r->print(<<END);	$r->print(<<END);
$start_page	$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 />
END	END
Line 1937 END	Line 2192 END
$r->print(<<END);	$r->print(<<END);
<td>$lt{'disa'}</td>	<td>$lt{'disa'}</td>
<td>$lt{$discdisp}</td>	<td>$lt{$discdisp}</td>
<td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>	<td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label>
<br />	<br />
<label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>	<label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label>
</td>	</td>
END	END
$r->print(&Apache::loncommon::end_data_table_row());	$r->print(&Apache::loncommon::end_data_table_row());
Line 1954 END	Line 2209 END
$r->print(<<END);	$r->print(<<END);
<td>$lt{'dotm'}</td>	<td>$lt{'dotm'}</td>
<td>$lt{$disctogg}</td>	<td>$lt{$disctogg}</td>
<td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>	<td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td>
END	END
	my $save = &mt('Save');
$r->print(&Apache::loncommon::end_data_table_row());	$r->print(&Apache::loncommon::end_data_table_row());
$r->print(&Apache::loncommon::end_data_table());	$r->print(&Apache::loncommon::end_data_table());
$r->print(<<END);	$r->print(<<END);
Line 1963 END	Line 2219 END
<br />	<br />
<input type="hidden" name="symb" value="$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	END
if (exists($env{'form.group'})) {	if (exists($env{'form.group'})) {
$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');	$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
Line 1998 sub print_sortfilter_options {	Line 2254 sub print_sortfilter_options {
my $group_sel = '';	my $group_sel = '';
my $numgroupvis = 5;	my $numgroupvis = 5;
my %sectioncount = &Apache::loncommon::get_sections();	my %sectioncount = &Apache::loncommon::get_sections();
	my @courseroles = qw(st ad ep ta in);
	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	if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section
@sections = ('all',$env{'request.course.sec'});	@sections = ('all',$env{'request.course.sec'});
$numvisible = 2;	$numvisible = 2;
Line 2055 sub print_sortfilter_options {	Line 2318 sub print_sortfilter_options {
'spgr' => 'Specific groups',	'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' => 'Store changes',	'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);

my $js = <<END;	my $js = <<END;
<script type="text/javascript">	<script type="text/javascript">
Line 2108 END	Line 2371 END

$r->print(<<END);	$r->print(<<END);
$start_page	$start_page
<form name="modifyshown" method="POST" action="/adm/feedback">	<form name="modifyshown" method="post" action="/adm/feedback">
<b>$lt{'diso'}</b><br/> $lt{'prca'}	<b>$lt{'diso'}</b><br/> $lt{'prca'}
<br /><br />	<br />
<table border="0">	<table border="0">
<tr>	<tr>
<td><b>$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{'spgr'}</b></td>	<th>$lt{'spgr'}</th>
<td> </td>	<th> </th>
<td><b>$lt{'psub'}</b></td>	<th>$lt{'psub'}</th>
</tr>	</tr>
<tr>	<tr>
<td align="center" valign="top">	<td align="center" valign="top">
Line 2147 $start_page	Line 2410 $start_page
</td>	</td>
<td> </td>	<td> </td>
<td align="center" valign="top">	<td align="center" valign="top">
<select name="rolefilter" multiple="true" size="5">	<select name="rolefilter" multiple="multiple" size="5">
<option value="all">$role_types{'all'}</option>	<option value="all">$role_types{'all'}</option>
<option value="st">$role_types{'st'}</option>	<option value="st">$role_types{'st'}</option>
<option value="cc">$role_types{'cc'}</option>	<option value="$ccrole">$role_types{$ccrole}</option>
<option value="in">$role_types{'in'}</option>	<option value="in">$role_types{'in'}</option>
<option value="ta">$role_types{'ta'}</option>	<option value="ta">$role_types{'ta'}</option>
<option value="ep">$role_types{'ep'}</option>	<option value="ep">$role_types{'ep'}</option>
	<option value="ad">$role_types{'ad'}</option>
<option value="cr">$role_types{'cr'}</option>	<option value="cr">$role_types{'cr'}</option>
</select>	</select>
</td>	</td>
<td> </td>	<td> </td>
<td align="center" valign="top">	<td align="center" valign="top">
<select name="sectionpick" multiple="true" size="$numvisible">	<select name="sectionpick" multiple="multiple" size="$numvisible">
$section_sel	$section_sel
</select>	</select>
</td>	</td>
<td> </td>	<td> </td>
<td align="center" valign="top">	<td align="center" valign="top">
<select name="grouppick" multiple="true" size="$numvisible">	<select name="grouppick" multiple="multiple" size="$numvisible">
$group_sel	$group_sel
</select>	</select>
</td>	</td>
Line 2174 $start_page	Line 2438 $start_page
</tr>	</tr>
</table>	</table>
<br />	<br />
<br />	<input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" />
	<input type="hidden" name="modal" value="$env{'form.modal'}" />
<input type="hidden" name="previous" value="$previous" />	<input type="hidden" name="previous" value="$previous" />
<input type="hidden" name="applysort" value="$symb" />	<input type="hidden" name="applysort" value="$symb" />
<input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" />	<input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" />
END	END
if (exists($env{'form.group'})) {	if (exists($env{'form.group'})) {
$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');	$r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />');
Line 2211 sub print_showposters {	Line 2476 sub print_showposters {
my $group = $env{'form.group'};	my $group = $env{'form.group'};
my $ressymb = &wrap_symb($symb);	my $ressymb = &wrap_symb($symb);
if (($group ne '') &&	if (($group ne '') &&
($ressymb =~ m\|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$\|)) {	($ressymb =~ m\|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$\|)) {
if (&check_group_priv($group,'dgp') eq 'ok') {	if (&check_group_priv($group,'dgp') eq 'ok') {
$seeid = 1;	$seeid = 1;
}	}
Line 2299 END	Line 2564 END
$r->print(<<END);	$r->print(<<END);
<br />	<br />
<input type="hidden" name="sortposts" value="$sortposts" />	<input type="hidden" name="sortposts" value="$sortposts" />
	<input type="hidden" name="modal" value="$env{'form.modal'}" />
<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>
$end_page	$end_page
END	END
Line 2372 sub fail_redirect {	Line 2638 sub fail_redirect {
my ($r,$feedurl) = @_;	my ($r,$feedurl) = @_;
if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };	if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' };
my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'sorr' => 'Sorry, no recipients ...',	'sorr' => 'Sorry, no recipients ...',
);	);
my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');	my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
$r->print(&Apache::loncommon::start_page('Feedback not sent',undef,	$r->print(&Apache::loncommon::start_page('Feedback not sent',undef,
Line 2386 ENDFAILREDIR	Line 2652 ENDFAILREDIR
}	}

sub redirect_back {	sub redirect_back {
my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group) = @_;	my ($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 $statustag = '';
Line 2403 sub redirect_back {	Line 2669 sub redirect_back {
if ($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 2412 sub redirect_back {	Line 2678 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 my $sec (@{$sectionpick}) {	foreach my $sec (@{$sectionpick}) {
$feedurl .= $sec.',';	$feedurl .= $sec.',';
Line 2433 sub redirect_back {	Line 2699 sub redirect_back {
$sectag =~ s/,$//;	$sectag =~ s/,$//;
$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($grouppick) eq 'ARRAY') {	if (ref($grouppick) eq 'ARRAY') {
$feedurl .= '&grouppick=';	$feedurl .= '&grouppick=';
$sectag .= '<input type="hidden" name="grouppick" value="';	$sectag .= '<input type="hidden" name="grouppick" value="';
foreach my $grp (@{$grouppick}) {	foreach my $grp (@{$grouppick}) {
$feedurl .= $grp.',';	$feedurl .= $grp.',';
Line 2447 sub redirect_back {	Line 2713 sub redirect_back {
$grptag =~ s/,$//;	$grptag =~ s/,$//;
$grptag .= '" />';	$grptag .= '" />';
} else {	} else {
$feedurl .= '&grouppick='.$grouppick;	$feedurl .= '&grouppick='.$grouppick;
$grptag = '<input type="hidden" name="grouppick" value="'.$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 my $role (@{$rolefilter}) {	foreach my $role (@{$rolefilter}) {
$feedurl .= $role.',';	$feedurl .= $role.',';
Line 2461 sub redirect_back {	Line 2727 sub redirect_back {
$roletag =~ s/,$//;	$roletag =~ s/,$//;
$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.'" />';
}	}
}	}
my $grouptag;	my $grouptag;
if ($group ne '') {	if ($group ne '') {
$grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; my $refarg;	$grouptag = '<input type="hidden" name="group" value="'.$group.'" />';
	my $refarg;
if (exists($env{'form.ref'})) {	if (exists($env{'form.ref'})) {
$refarg = '&ref='.$env{'form.ref'};	$refarg = '&ref='.$env{'form.ref'};
$grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';	$grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />';
Line 2483 sub redirect_back {	Line 2750 sub redirect_back {
}	}
&Apache::lonenc::check_encrypt(\$feedurl);	&Apache::lonenc::check_encrypt(\$feedurl);
my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');	my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
my %onload;	my %parms=('only_body' => 1);
if ($env{'environment.remote'} ne 'off') {	if ($env{'form.modal'}) {
$onload{'onload'} =	$parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'};
"if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";	} else {
	$parms{'redirect'}=[0,$feedurl];
}	}
my $start_page=	my $start_page=
&Apache::loncommon::start_page('Feedback sent',undef,	&Apache::loncommon::start_page('Feedback sent',undef,\%parms);
{'redirect' => [0,$feedurl],
'only_body' => 1,
'add_entries' => \%onload});
my $end_page = &Apache::loncommon::end_page();	my $end_page = &Apache::loncommon::end_page();
$r->print(<<ENDREDIR);	$r->print(<<ENDREDIR);
$start_page	$start_page
Line 2500 $start_page	Line 2765 $start_page
$typestyle	$typestyle
<b>Sent $sendsomething message(s), and $sendposts post(s).</b>	<b>Sent $sendsomething message(s), and $sendposts post(s).</b>
$blog	$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 2517 ENDREDIR	Line 2783 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 %onload;	my %onload;
if ($env{'environment.remote'} ne 'off') {
$onload{'onload'} =
"if (window.name!='loncapaclient') { self.window.close(); }";
}

my %body_options = ('only_body' => 1,	my %body_options = ('only_body' => 1,
'bgcolor' => '#FFFFFF',	'bgcolor' => '#FFFFFF',
'add_entries' => \%onload,);	'add_entries' => \%onload,);

if ($feedurl !~ m{^/adm/feedback}) {	if ($feedurl !~ m{^/adm/feedback}) {
$body_options{'rediect'} = [2,$feedurl];	$body_options{'redirect'} = [2,$feedurl];
}	}
my $start_page=	my $start_page=
&Apache::loncommon::start_page('Feedback not sent',undef,	&Apache::loncommon::start_page('Feedback not sent',undef,
Line 2550 ENDNOREDIRTWO	Line 2812 ENDNOREDIRTWO
}	}

sub screen_header {	sub screen_header {
my ($feedurl,$symb) = @_;	my ($feedurl,$symb,$group) = @_;
	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\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {	if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) {
$msgoptions=	$msgoptions=
'<p><label><input type="radio" name="discuss" value="author" /> '.	'<label><input type="radio" name="discuss" value="author" /> '.
&mt('Feedback to resource author').'</label></p>';	&mt('Feedback to resource author').'</label><br />';
}	}
my %optionhash=();	my %optionhash=();
foreach my $type ('question','comment','policy') {	foreach my $type ('question','comment','policy') {
Line 2565 sub screen_header {	Line 2843 sub screen_header {
}	}
if (&feedback_available(1)) {	if (&feedback_available(1)) {
$msgoptions.=	$msgoptions.=
'<p><label><input type="radio" name="discuss" value="question" /> '.	'<label><input type="radio" name="discuss" value="question" /> '.
($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>';	($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label><br />';
}	}
if (&feedback_available(0,1)) {	if (&feedback_available(0,1)) {
$msgoptions.=	$msgoptions.=
'<p><label><input type="radio" name="discuss" value="course" /> '.	'<label><input type="radio" name="discuss" value="course" /> '.
($optionhash{'comment'}?$optionhash{'comment'}:&mt('Question/Comment/Feedback about course content')).	($optionhash{'comment'}?$optionhash{'comment'}:$crscontent).
'</label></p>';	'</label><br />';
}	}
if (&feedback_available(0,0,1)) {	if (&feedback_available(0,0,1)) {
$msgoptions.=	$msgoptions.=
'<p><label><input type="radio" name="discuss" value="policy" /> '.	'<label><input type="radio" name="discuss" value="policy" /> '.
($optionhash{'policy'}?$optionhash{'policy'}:&mt('Question/Comment/Feedback about course policy')).	($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy).
'</label></p>';	'</label><br />';
}	}
}	}
if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {	if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) {
my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');	my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards');
if (!$blocked && &discussion_open(undef,$symb) &&	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
&Apache::lonnet::allowed('pch',	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
$env{'request.course.id'}.	my $realsymb = &get_realsymb($symb);
($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) {	if (!$blocked && &discussion_open(undef,$realsymb) &&
	(&Apache::lonnet::allowed('pch',
	$env{'request.course.id'}.
	($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) \|\|
	(($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) {
$discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.	$discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '.
&mt('Contribution to course discussion of resource');	$contribdisc.
$discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '.	'</label><br /><label><input type="radio" name="discuss" value="anon" /> '.
&mt('Anonymous contribution to course discussion of resource').	$anoncontrib.
' <i>('.&mt('name only visible to course faculty').')</i></label> '.	' <i>('.$namevis.')</i></label> '.
'<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';	'<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>';
my $blockblog = &Apache::loncommon::blocking_status('blogs');	my $blockblog = &Apache::loncommon::blocking_status('blogs');
if (!$blockblog) {	if (!$blockblog) {
$discussoptions.= &add_blog_checkbox();	$discussoptions.= &add_blog_checkbox($crstype);
}	}
}	}
}	}
if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; }	if ($msgoptions) {
	$msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />'
	.'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'.
	'<td>'.$msgoptions.'</td></tr>';
	}
if ($discussoptions) {	if ($discussoptions) {
$discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; }	$discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />'
return $msgoptions.$discussoptions;	.'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'.
	'<td>'.$discussoptions.'</td></tr>';
	}
	return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table();
}	}

sub resource_output {	sub resource_output {
Line 2619 sub resource_output {	Line 2908 sub resource_output {
}	}

sub clear_out_html {	sub clear_out_html {
my ($message,$override,$ignore_htmlarea)=@_;	my ($message,$override)=@_;
if (!$ignore_htmlarea
&& !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; }
# Always allow the <m>-tag	# Always allow the <m>-tag
my %html=(M=>1);	my %html=(M=>1);
# Check if more is allowed	# Check if more is allowed
Line 2630 sub clear_out_html {	Line 2917 sub clear_out_html {
($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, PRE=>1, DIV=>1, IMG=>1,
M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1,	M=>1, CHEM=>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 2651 sub assemble_email {	Line 2939 sub assemble_email {
'orig' => 'Original screen output (if applicable)',	'orig' => 'Original screen output (if applicable)',
'corr' => 'Correct Answer(s) (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
Line 2675 sub feedback_available {	Line 2966 sub feedback_available {
}	}

sub send_msg {	sub send_msg {
my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;	my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_;
my $status='';	my $status='';
my $sendsomething=0;	my $sendsomething=0;
my $restitle = &get_resource_title($symb,$feedurl);	my $restitle = &get_resource_title($symb,$feedurl);
if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }	if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; }
unless ($title=~/\w/) { $title=&mt('Feedback'); }	unless ($title=~/\w/) { $title=&mt('Feedback'); }
foreach my $key (keys(%to)) {	foreach my $key (keys(%to)) {
if ($key) {	if ($key) {
unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$key),	my ($user,$domain) = split(/\:/,$key,2);
$title.' ['.$restitle.']',$email,$citations,$feedurl,	if (!defined($user)) {
$attachmenturl,undef,undef,$symb,$restitle)=~/ok/) {	$status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key);
$status.='<br />'.&mt('Error sending message to').' '.$key.'<br />';	} elsif (!defined($domain)) {
} else {	$status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key);
$sendsomething++;	} else {
}	unless (&Apache::lonmsg::user_normal_msg($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');	# Records of number of feedback messages are kept under the "symb" called "_feedback"
my ($temp)=keys(%record);	# There are two entries within the framework of a course:
unless ($temp=~/^error\:/) {	# - the URLs for which feedback was provided
my %newrecord=();	# - the total number of contributions
$newrecord{'resource'}=$feedurl;	if ($sendsomething) {
$newrecord{'subnumber'}=$record{'subnumber'}+1;	my %record=&getfeedbackrecords();
unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {	my ($temp)=keys(%record);
$status.='<br />'.&mt('Not registered').'<br />';	unless ($temp=~/^error\:/) {
}	my %newrecord=();
	$newrecord{'resource'}=$feedurl;
	$newrecord{'subnumber'}=$record{'subnumber'}+1;
	unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') {
	$status.='<br />'.&mt('Not registered').'<br />';
	}
	}
}	}
	return ($status,$sendsomething);
return ($status,$sendsomething);
}	}

	# Routine to get the complete feedback records

	sub getfeedbackrecords {
	my ($uname,$udom,$course)=@_;
	unless ($uname) { $uname=$env{'user.name'}; }
	unless ($udom) { $udom=$env{'user.domain'}; }
	unless ($course) { $course=$env{'request.course.id'}; }
	my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname);
	return %record;
	}

	# Routine to get feedback statistics

	sub getfeedbackstats {
	my %record=&getfeedbackrecords(@_);
	return ($record{'subnumber'},$record{'points'},$record{'totallikes'});
	}

	# Store feedback credit

	sub storefeedbackpoints {
	my ($points,$uname,$udom,$course)=@_;
	unless ($points) { $points=0; }
	unless ($uname) { $uname=$env{'user.name'}; }
	unless ($udom) { $udom=$env{'user.domain'}; }
	unless ($course) { $course=$env{'request.course.id'}; }
	my %record=('grader_user' => $env{'user.name'},
	'grader_domain' => $env{'user.domain'},
	'points' => $points);
	return &Apache::lonnet::cstore(\%record,'_feedback',$course,$udom,$uname);
	}

	# Store feedback "likes"

	sub storefeedbacklikes {
	my ($likes,$uname,$udom,$course)=@_;
	unless ($likes) { $likes=0; }
	if ($likes>0) { $likes=1; }
	if ($likes<0) { $likes=-1; }
	unless ($uname) { $uname=$env{'user.name'}; }
	unless ($udom) { $udom=$env{'user.domain'}; }
	unless ($course) { $course=$env{'request.course.id'}; }
	my %record=&getfeedbackrecords($uname,$udom,$course);
	my $totallikes=$record{'totallikes'};
	$totallikes+=$likes;
	my %newrecord=('likes_user' => $env{'user.name'},
	'likes_domain' => $env{'user.domain'},
	'likes' => $likes,
	'totallikes' => $totallikes);
	return &Apache::lonnet::cstore(\%newrecord,'_feedback',$course,$udom,$uname);
	}


sub adddiscuss {	sub adddiscuss {
my ($symb,$email,$anon,$attachmenturl,$subject)=@_;	my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_;
my $status='';	my $status='';
my $realsymb;	my $realsymb = &get_realsymb($symb);
if ($symb=~/^bulletin___/) {	my ($cnum,$cdom);
my $filename=(&Apache::lonnet::decode_symb($symb))[2];	if ($env{'request.course.id'}) {
$filename=~s\|^adm/wrapper/\|\|;	$cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
$realsymb=&Apache::lonnet::symbread($filename);	$cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
}	}
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'}:'')) \|\|
	(($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') &&
	($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) {

my %contrib=('message' => $email,	my %contrib=('message' => $email,
'sendername' => $env{'user.name'},	'sendername' => $env{'user.name'},
Line 2798 sub adddiscuss {	Line 3156 sub adddiscuss {
$env{'course.'.$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=&getdiscussionrecords();
my ($temp)=keys(%record);	my ($temp)=keys(%record);
unless ($temp=~/^error\:/) {	unless ($temp=~/^error\:/) {
my %newrecord=();	my %newrecord=();
Line 2806 sub adddiscuss {	Line 3164 sub adddiscuss {
$newrecord{'subnumber'}=$record{'subnumber'}+1;	$newrecord{'subnumber'}=$record{'subnumber'}+1;
$status.='<br />'.&mt('Registering').': '.	$status.='<br />'.&mt('Registering').': '.
&Apache::lonnet::cstore(\%newrecord,'_discussion');	&Apache::lonnet::cstore(\%newrecord,'_discussion');
	&updatekarma();
}	}
} else {	} else {
$status.='Failed.';	$status.='Failed.';
Line 2813 sub adddiscuss {	Line 3172 sub adddiscuss {
return $status.'<br />';	return $status.'<br />';
}	}


	# Routine to get the complete discussion records

	sub getdiscussionrecords {
	my ($uname,$udom,$course)=@_;
	unless ($uname) { $uname=$env{'user.name'}; }
	unless ($udom) { $udom=$env{'user.domain'}; }
	unless ($course) { $course=$env{'request.course.id'}; }
	my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname);
	return %record;
	}

	# Routine to get discussion statistics

	sub getdiscussionstats {
	my %record=&getdiscussionrecords(@_);
	return ($record{'subnumber'},$record{'points'},$record{'totallikes'},$record{'totalvotes'});
	}

	# Calculate discussion karma

	sub calcdiscussionkarma {
	my ($subs,$pts,$likes,$votes)=&getdiscussionstats(@_);
	my $karma=0;
	if ($votes>0) {
	$karma=int(.1+5.(1.-exp(-$subs/10.))$likes/$votes);
	if ($karma<0) { $karma=0; }
	if ($karma>5) { $karma=5; }
	}
	return $karma;
	}

	# Update karma

	sub updatekarma {
	my ($uname,$udom,$course)=@_;
	unless ($uname) { $uname=$env{'user.name'}; }
	unless ($udom) { $udom=$env{'user.domain'}; }
	unless ($course) { $course=$env{'request.course.id'}; }
	my $karma=&calcdiscussionkarma($uname,$udom,$course);
	&Apache::lonnet::cstore({ 'karma' => $karma },'_discussion',$course,$udom,$uname);
	&Apache::lonnet::do_cache_new('karma',$uname.':'.$udom.':'.$course,$karma,3600);
	return $karma;
	}

	# Retrieve karma

	sub userkarma {
	my ($uname,$udom,$course)=@_;
	unless ($uname) { $uname=$env{'user.name'}; }
	unless ($udom) { $udom=$env{'user.domain'}; }
	unless ($course) { $course=$env{'request.course.id'}; }
	my $hashkey=$uname.':'.$udom.':'.$course;
	my ($karma,$cached)=&Apache::lonnet::is_cached_new('karma',$hashkey);
	if ($cached) {
	return $karma;
	}
	my %userdisc=&getdiscussionrecords($uname,$udom,$course);
	$karma=$userdisc{'karma'};
	&Apache::lonnet::do_cache_new('karma',$hashkey,$karma,3600);
	return $karma;
	}

	# Store discussion credit

	sub storediscussionpoints {
	my ($points,$uname,$udom,$course)=@_;
	unless ($points) { $points=0; }
	unless ($uname) { $uname=$env{'user.name'}; }
	unless ($udom) { $udom=$env{'user.domain'}; }
	unless ($course) { $course=$env{'request.course.id'}; }
	my %record=('grader_user' => $env{'user.name'},
	'grader_domain' => $env{'user.domain'},
	'points' => $points);
	return &Apache::lonnet::cstore(\%record,'_discussion',$course,$udom,$uname);
	}

	# Store discussion "likes"

	sub storediscussionlikes {
	my ($likes,$uname,$udom,$course)=@_;
	unless ($likes) { $likes=0; }
	if ($likes>0) { $likes=1; }
	if ($likes<0) { $likes=-1; }
	unless ($uname) { $uname=$env{'user.name'}; }
	unless ($udom) { $udom=$env{'user.domain'}; }
	unless ($course) { $course=$env{'request.course.id'}; }
	my %record=&getdiscussionrecords($uname,$udom,$course);
	my $totallikes=$record{'totallikes'};
	my $totalvotes=$record{'totalvotes'};
	$totallikes+=$likes;
	$totalvotes++;
	my %newrecord=('likes_user' => $env{'user.name'},
	'likes_domain' => $env{'user.domain'},
	'likes' => $likes,
	'totallikes' => $totallikes,
	'totalvotes' => $totalvotes);
	my $status=&Apache::lonnet::cstore(\%newrecord,'_discussion',$course,$udom,$uname);
	if ($status eq 'ok') {
	&updatekarma($uname,$udom,$course);
	}
	return $status;
	}

sub get_discussion_info {	sub get_discussion_info {
my ($idx,%contrib) = @_;	my ($idx,%contrib) = @_;
my $changelast = 0;	my $changelast = 0;
Line 2869 sub show_preview {	Line 3332 sub show_preview {
&newline_to_br(\$message);	&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'},undef,1);	my $subject=&clear_out_html($env{'form.subject'});
$subject=~s/\n/\<br \/\>/g;	$subject=~s/\n/\<br \/\>/g;
$subject=&Apache::lontexconvert::msgtexconverted($subject);	$subject=&Apache::lontexconvert::msgtexconverted($subject);

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

$r->print($start_page.'<table border="2"><tr><td>'.	$r->print($start_page
'<b>'.&mt('Subject').':</b> '.$subject.'<br /><br />'.	.'<h1>'.&mt('Preview').'</h1>'
$message.'</td></tr></table>'.$end_page);	.&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 {	sub newline_to_br {
my ($message)=@_;	my ($message)=@_;
Line 2910 sub generate_preview_button {	Line 3407 sub generate_preview_button {
return(<<ENDPREVIEW);	return(<<ENDPREVIEW);
<br />	<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.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" />	onclick="if (typeof(document.$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,
	$attachmaxtext,$toolarge)=@_;

my %lt = &Apache::lonlocal::texthash(	my %lt = &Apache::lonlocal::texthash(
'subj' => 'Subject',	'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.',	'chth' => 'Check the checkboxes for any you wish to remove.',
'thef' => 'The following attachments have been uploaded for inclusion with this posting.',	'thef' => 'The following attachments have been uploaded for inclusion with this posting.',
'adda' => 'Add a new attachment to this post.',	'adda' => 'Add a new attachment to this post',
'stch' => 'Store Changes',	'stch' => 'Save Changes',
	'clic' => 'Add/remove attachments',
);	);
my $js = <<END;	my $js = <<END;
<script type="text/javascript">	<script type="text/javascript">
Line 2938 sub modify_attachments {	Line 3436 sub modify_attachments {
</script>	</script>
END	END

	# Breadcrumbs
	my $brcrum = [{'href' => '',
	'text' => 'Discussion Post Attachments'}];
	my %parms=('only_body' => 1);
	if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }

my $start_page =	my $start_page =
&Apache::loncommon::start_page('Discussion Post Attachments',$js);	&Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms);

my $orig_subject = &unescape($env{'form.subject'});	my $orig_subject = &unescape($env{'form.subject'});
my $subject=&clear_out_html($orig_subject,undef,1);	my $subject=&clear_out_html($orig_subject);
$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'};
Line 2961 END	Line 3465 END

$r->print(<<END);	$r->print(<<END);
$start_page	$start_page
	$toolarge
<form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">	<form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb">
<table border="2">	<br />
<tr>	<h1>$lt{'clic'}</h1>
<td>
<b>Subject:</b> $subject</b><br /><br />
END	END
if ($idx) {	$r->print(&Apache::lonhtmlcommon::start_pick_box());
if ($attachmenturls) {	$r->print(&Apache::lonhtmlcommon::row_title(&mt('Subject')));
my @currold = keys(%currattach);	$r->print('<b>'.$subject.'</b>');
if (@currold > 0) {	$r->print(&Apache::lonhtmlcommon::row_closure());
$r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");	$r->print(&Apache::lonhtmlcommon::row_title($lt{'adda'}));
foreach my $id (@currold) {	$r->print('<input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> '.$attachmaxtext);
my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});	if(($idx)\|\|(ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)){
$attachurl =~ m#/([^/]+)$#;	$r->print(&Apache::lonhtmlcommon::row_closure());
$r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");	$r->print(&Apache::lonhtmlcommon::row_title(&mt('Attachments')));
	if ($idx) {
	if ($attachmenturls) {
	my @currold = keys(%currattach);
	if (@currold > 0) {
	$r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n");
	foreach my $id (@currold) {
	my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'});
	$attachurl =~ m#/([^/]+)$#;
	$r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n");
	}
	$r->print("<br />");
}	}
$r->print("<br />");
}	}
}	}
}	if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {
if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) {	$r->print($lt{'chth'}.'<br />'."\n");
$r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n");	foreach my $attach (@{$currnewattach}) {
foreach my $attach (@{$currnewattach}) {	$attach =~ m#/([^/]+)$#;
$attach =~ m#/([^/]+)$#;	$r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");
$r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n");	}
}	}
$r->print("<br />");
}	}
	$r->print(&Apache::lonhtmlcommon::row_closure(1));
	$r->print(&Apache::lonhtmlcommon::end_pick_box());
$r->print(<<END);	$r->print(<<END);
$lt{'adda'} <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" />
</td>
</tr>
</table>
<input type="hidden" name="subject" value="$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'}" />
Line 3010 END	Line 3520 END
$r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");	$r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n");
}	}
$r->print(<<END);	$r->print(<<END);
<input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()"/>	<input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" />
</form>	</form>
$end_page	$end_page
END	END
Line 3051 sub generate_attachments_button {	Line 3561 sub generate_attachments_button {
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(	my %lt = &Apache::lonlocal::texthash(
'clic' => 'Click to add/remove attachments',	'clic' => 'Add/remove attachments',
);	);
my $response = (<<END);	my $response = (<<END);
<br />	<br />
<form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">	<form name="attachment" action="/adm/feedback?attach=$ressymb" method="post">
$lt{'clic'}: <input type="button" value="$att"	<input type="button" value="$lt{'clic'}"
onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);	onclick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value);
END	END
if (!$blockblog) {	if (!$blockblog) {
$response .= 'setblogvalue();';	$response .= 'setblogvalue();';
Line 3072 this.form.submit();" />	Line 3582 this.form.submit();" />
<input type="hidden" name="timestamp" value="$now" />	<input type="hidden" name="timestamp" value="$now" />
<input type="hidden" name="subject" />	<input type="hidden" name="subject" />
<input type="hidden" name="comment" />	<input type="hidden" name="comment" />
<input type="hidden" name="blog" value = "0" />	<input type="hidden" name="blog" value="0" />
<input type="hidden" name="discuss" value = "0" />	<input type="hidden" name="discuss" value="0" />
<input type="hidden" name="numoldver" value="$numoldver" />	<input type="hidden" name="numoldver" value="$numoldver" />
ENDATTACH	ENDATTACH
if (defined($deloldattach)) {	if (defined($deloldattach)) {
Line 3202 sub construct_attachmenturl {	Line 3712 sub construct_attachmenturl {
}	}

sub add_blog_checkbox {	sub add_blog_checkbox {
my ($checkstatus);	my ($crstype) = @_;
	my $checkstatus;
if ($env{'form.blog'}) {	if ($env{'form.blog'}) {
$checkstatus = 'checked="checked"';	$checkstatus = 'checked="checked"';
}	}
Line 3216 function setblogvalue() {	Line 3727 function setblogvalue() {
}	}
}	}
</script><br />	</script><br />
<label><input type="checkbox" name="blog" '.$checkstatus.' /> '.	<label><input type="checkbox" name="blog" '.$checkstatus.' /> ';
&mt('Add to my public course blog').'</label><br />'."\n";	if ($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;	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 = $resource->wrap_symb();	if ($resource->hasDiscussion()) {
push(@{$resourcesref}, $ressymb);	my $ressymb = $resource->wrap_symb();
	if (ref($resourcesref) eq 'ARRAY') {
	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 3244 sub sort_filter_names {	Line 3767 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 past roles',	Expired => 'Only past roles',
Future => 'Only future roles',	Future => 'Only future roles',
);	);
	}
}	}

sub handler {	sub handler {
Line 3273 sub handler {	Line 3802 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','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']);	['like','unlike','modal','hide','unhide','deldisc','undeleteall','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'};	my $group = $env{'form.group'};
	my %attachmax = (
	text => &mt('(128 KB max size)'),
	num => 131072,
	);
if ($env{'form.editdisc'}) {	if ($env{'form.editdisc'}) {
if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {	if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) {
my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];	my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
Line 3317 sub handler {	Line 3850 sub handler {
&Apache::loncommon::no_cache($r);	&Apache::loncommon::no_cache($r);
$r->send_http_header;	$r->send_http_header;

$r->print(&Apache::loncommon::start_page('Discussion Post Versions'));	# Breadcrumbs
	my $brcrum = [{'href' => '',
	'text' => 'Discussion Post Versions'}];

	my %parms=();
	if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }

	$r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms));

my $crs='/'.$env{'request.course.id'};	my $crs='/'.$env{'request.course.id'};
if ($env{'request.course.sec'}) {	if ($env{'request.course.sec'}) {
Line 3344 sub handler {	Line 3884 sub handler {
my %attachmsgs = ();	my %attachmsgs = ();
my %allattachments = ();	my %allattachments = ();
my %imsfiles = ();	my %imsfiles = ();
my ($screenname,$plainname);	my ($screenname,$plainname,$showaboutme);
my %contrib=&Apache::lonnet::restore($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,\$showaboutme));
}	}
$r->print(&Apache::loncommon::end_page());	$r->print(&Apache::loncommon::end_page());
return OK;	return OK;
Line 3402 sub handler {	Line 3942 sub handler {
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 my $res (@resources) {	foreach my $res (@resources) {
my $ressymb=$res;	my $ressymb=$res;
Line 3421 sub handler {	Line 3961 sub handler {
$r->send_http_header;	$r->send_http_header;
my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');	my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif');
my %onload;	my %onload;
if ($env{'environment.remote'} ne 'off') {
$onload{'onload'} =
"if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }";
}

my $start_page=	my $start_page=
&Apache::loncommon::start_page('New posts marked as read',undef,	&Apache::loncommon::start_page('New posts marked as read',undef,
Line 3541 ENDREDIR	Line 4077 ENDREDIR
'0','0','','',$env{'form.previous'},undef,undef,undef,	'0','0','','',$env{'form.previous'},undef,undef,undef,
undef,undef,undef,$group);	undef,undef,undef,$group);
return OK;	return OK;
	} elsif (($env{'form.like'}) \|\| ($env{'form.unlike'})) {
	# ----------------------------------------------------------------- Like/unlike
	my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'};
	my ($symb,$idx)=split(/\:\:\:/,$entry);
	($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb);
	my $result;
	if ($idx > 0) {
	my $realsymb = &get_realsymb($symb);
	my $status='OPEN';
	if ($Apache::lonhomework::parsing_a_problem \|\|
	$Apache::lonhomework::parsing_a_task) {
	$status=$Apache::inputtags::status[-1];
	}
	if (&discussion_vote_available($status,$realsymb)) {
	my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'});
	if (($contrib{$idx.':sendername'} eq $env{'user.name'}) &&
	($contrib{$idx.':senderdomain'} eq $env{'user.domain'})) {
	$result = &mt("Vote not registered. No voting for your own posts.");
	} else {

	#
	# Likes and unlikes are in db-file "disclikes" of the course
	# The prefix is the $symb to identify the resource discussion,
	# and the $idx to identify the entry
	#
	my $prefix=$symb.':'.$idx.':';
	my %likes=&Apache::lonnet::dump('disclikes',
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'},
	'^'.$prefix);

	# Get current like or unlike status for the $idx for this user.
	my $thisuser=$env{'user.name'}.':'.$env{'user.domain'};
	my ($userlikes,$userunlikes);
	if (ref($likes{$prefix.'likers'}) eq 'HASH') {
	if (exists($likes{$prefix.'likers'}{$thisuser})) {
	$userlikes = 1;
	}
	}
	if (ref($likes{$prefix.'unlikers'}) eq 'HASH') {
	if (exists($likes{$prefix.'unlikers'}{$thisuser})) {
	$userunlikes = 1;
	}
	}
	# Get the current "likes" count
	my $likescount=$likes{$prefix.'likes'};
	# Find out if they already voted
	# Users cannot like a post twice, or unlike it twice.
	# They can change their mind, though.
	my $alreadyflag=0;
	if ($env{'form.like'}) {
	if ($userlikes) {
	$alreadyflag=1;
	} elsif ($userunlikes) {
	delete($likes{$prefix.'unlikers'}{$thisuser});
	$likescount++;
	} else {
	if (ref($likes{$prefix.'likers'}) eq 'HASH') {
	$likes{$prefix.'likers'}{$thisuser} = 1;
	} else {
	$likes{$prefix.'likers'} = {$thisuser => 1};
	}
	$likescount++;
	}
	} else {
	if ($userunlikes) {
	$alreadyflag=1;
	} elsif ($userlikes) {
	delete($likes{$prefix.'likers'}{$thisuser});
	$likescount--;
	} else {
	if (ref($likes{$prefix.'unlikers'}) eq 'HASH') {
	$likes{$prefix.'unlikers'}{$thisuser} = 1;
	} else {
	$likes{$prefix.'unlikers'} = {$thisuser => 1};
	}
	$likescount--;
	}
	}
	# $alreadyflag would be 1 if they tried to double-like or double-unlike
	if ($alreadyflag) {
	if ($env{'form.like'}) {
	$result= &mt("'Like' already registered");
	} else {
	$result= &mt("'Unlike' already registered");
	}
	} else {
	my %newhash=($prefix.'likes' => $likescount,
	$prefix.'likers' => $likes{$prefix.'likers'},
	$prefix.'unlikers' => $likes{$prefix.'unlikers'});
	# Store data in db-file "disclikes"
	if (&Apache::lonnet::put('disclikes',
	\%newhash,
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
	# Also store with the person who posted the liked/unliked entry
	if ($env{'form.like'}) {
	&storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
	$result=&mt("Registered 'Like'");
	} else {
	&storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
	$result=&mt("Registered 'Unlike'");
	}
	} else {
	# Oops, something went wrong
	$result=&mt("Failed to register vote");
	}
	}
	}
	} else {
	$result=&mt('Voting unavailable for this discussion');
	}
	} else {
	$result=&mt('Invalid post number');
	}
	&redirect_back($r,$feedurl,$result.'<br />',
	'0','0','','',$env{'form.previous'},undef,undef,undef,
	undef,undef,undef,$group);
	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','','',$env{'form.previous'},undef,undef,undef,	'0','0','','',$env{'form.previous'},undef,undef,undef,
Line 3583 ENDREDIR	Line 4240 ENDREDIR
&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','discuss','blog']);	&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;
Line 3602 ENDREDIR	Line 4261 ENDREDIR
$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');
Line 3611 ENDREDIR	Line 4270 ENDREDIR
my $mode='board';	my $mode='board';
my $status='OPEN';	my $status='OPEN';
my $previous=$env{'form.previous'};	my $previous=$env{'form.previous'};
if ($feedurl =~ /\.(problem\|exam\|quiz\|assess\|survey\|form\|library\|task)$/) {	if ($feedurl =~ /$LONCAPA::assess_re/) {
$mode='problem';	$mode='problem';
$status=$Apache::inputtags::status[-1];	$status=$Apache::inputtags::status[-1];
}	}
Line 3622 ENDREDIR	Line 4281 ENDREDIR
&Apache::loncommon::end_page();	&Apache::loncommon::end_page();
$r->print($start_page.$discussion.$end_page);	$r->print($start_page.$discussion.$end_page);
return OK;	return OK;

	} elsif ($env{'form.undeleteall'}) {
	&Apache::loncommon::content_type($r,'text/html');
	$r->send_http_header;
	my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.undeleteall'});
	$r->print(&Apache::loncommon::start_page('Undelete all deleted discussion entries'));
	if (&Apache::lonnet::allowed('rin',$env{'request.course.id'})) {
	if (&Apache::lonnet::store({'deleted' => ''},$symb,$env{'request.course.id'},
	$env{'course.'.$env{'request.course.id'}.'.domain'},
	$env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') {
	$r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Undeleted all entries")));
	} else {
	$r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Failed to undelete entries"),1));
	}
	$r->print("<br /><a href='$feedurl'>".&mt("Return and reload")."</a>");
	}
	$r->print(&Apache::loncommon::end_page());
	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'}//;
$feedurl=~s/\?.+$//;	$feedurl=~s/\?.+$//;
Line 3637 ENDREDIR	Line 4314 ENDREDIR
$symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];	$symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0];
} elsif ($env{'form.origpage'}) {	} elsif ($env{'form.origpage'}) {
$symb="";	$symb="";
	} elsif ($env{'form.sendmessageonly'}) {
	$symb=(split(/\:\:\:/,$env{'form.sendmessageonly'}))[0];
} else {	} else {
$symb=&Apache::lonnet::symbread($feedurl);	$symb=&Apache::lonnet::symbread($feedurl);
}	}
Line 3651 ENDREDIR	Line 4330 ENDREDIR
&dewrapper(\$feedurl);	&dewrapper(\$feedurl);
}	}
my $goahead=1;	my $goahead=1;
if ($feedurl=~/\.(problem\|exam\|quiz\|assess\|survey\|form\|task)$/) {	if ($feedurl=~/$LONCAPA::assess_re/) {
unless ($symb) { $goahead=0; }	unless ($symb) { $goahead=0; }
}	}
if (!$goahead) {	if (!$goahead) {
Line 3689 ENDREDIR	Line 4368 ENDREDIR
return OK;	return OK;
}	}
}	}
my $options=&screen_header($feedurl,$symb);	my $options=&screen_header($feedurl,$symb,$group);
if ($options) {	if ($options) {
&mail_screen($r,$feedurl,$options,$symb);	&mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'});
} else {	} else {
&fail_redirect($r,$feedurl);	&fail_redirect($r,$feedurl);
}	}
Line 3708 ENDREDIR	Line 4387 ENDREDIR
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 $usersymb = &Apache::lonenc::check_encrypt($symb);	my $usersymb = &Apache::lonenc::check_encrypt($symb);
my $useranswer=	my $useranswer=
&Apache::loncommon::get_student_answers(	&Apache::loncommon::get_student_answers(
Line 3717 ENDREDIR	Line 4396 ENDREDIR
&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='';
	my $toolarge='';
if (($env{'form.origpage'}) \|\| ($env{'form.editdisc'}) \|\|	if (($env{'form.origpage'}) \|\| ($env{'form.editdisc'}) \|\|
($env{'form.replydisc'})) {	($env{'form.replydisc'})) {
my ($symb,$idx);	my ($symb,$idx);
Line 3735 ENDREDIR	Line 4415 ENDREDIR
$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 $override;
	if ($env{'form.discuss'} =~ /^(?:author\|question\|course\|policy)$/) {
	$override = 1;
	}
	my $message=&clear_out_html($env{'form.comment'},$override);

# Assemble email	# Assemble email
my ($email,$citations)=&assemble_email($message,$prevattempts,	my ($email,$citations)=&assemble_email($message,$prevattempts,
Line 3750 ENDREDIR	Line 4438 ENDREDIR
my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);	my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl);

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

Line 3760 ENDREDIR	Line 4447 ENDREDIR
if ( ($env{'form.discuss'} ne ''	if ( ($env{'form.discuss'} ne ''
&& $env{'form.discuss'} !~ /^(?:author\|question\|course\|policy)/)	&& $env{'form.discuss'} !~ /^(?:author\|question\|course\|policy)/)
\|\| $env{'form.anondiscuss'} ne '') {	\|\| $env{'form.anondiscuss'} ne '') {
my $subject = &clear_out_html($env{'form.subject'},undef,1);	my $subject = &clear_out_html($env{'form.subject'});
my $anonmode=($env{'form.discuss'} eq 'anon' \|\| $env{'form.anondiscuss'} );	my $anonmode=($env{'form.discuss'} eq 'anon' \|\| $env{'form.anondiscuss'} );
$typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,	$typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl,
$subject);	$subject,$group);
$numpost++;	$numpost++;
}	}

Line 3771 ENDREDIR	Line 4458 ENDREDIR

my $blog='';	my $blog='';
if ($env{'form.blog'}) {	if ($env{'form.blog'}) {
my $subject = &clear_out_html($env{'form.subject'},undef,1);	my $subject = &clear_out_html($env{'form.subject'});
$status.=&Apache::lonrss::addentry($env{'user.name'},	$status.=&Apache::lonrss::addentry($env{'user.name'},
$env{'user.domain'},	$env{'user.domain'},
'CourseBlog_'.$env{'request.course.id'},	'CourseBlog_'.$env{'request.course.id'},
$subject,$message,$feedurl,'public');	$subject,$message,$feedurl,'public');
$blog='<br />'.&mt('Added to my course blog').'<br />';	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,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group);	&redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge);
}	}
return OK;	return OK;
}	}
Line 3925 sub get_resource_title {	Line 4616 sub get_resource_title {

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 discussion_vote_available()

	=item get_realsymb()

	=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.1.244
changed lines
	Added in v.1.345