--- loncom/interface/lonfeedback.pm 2009/12/22 06:14:35 1.283
+++ loncom/interface/lonfeedback.pm 2012/03/15 12:45:21 1.340
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Feedback
#
-# $Id: lonfeedback.pm,v 1.283 2009/12/22 06:14:35 faziophi Exp $
+# $Id: lonfeedback.pm,v 1.340 2012/03/15 12:45:21 goltermann Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -49,13 +49,22 @@ use LONCAPA;
sub discussion_open {
my ($status,$symb)=@_;
+# Advanced roles can always discuss
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) &&
!($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
|| $status eq 'OPEN')) {
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) {
return 0;
}
@@ -126,7 +135,7 @@ sub list_discussion {
$crs=~s/\_/\//g;
my $encsymb=&Apache::lonenc::check_encrypt($ressymb);
my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs)
- && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/));
+ && ($ressymb=~/$LONCAPA::assess_re/));
my %usernamesort = ();
my %namesort =();
@@ -272,17 +281,12 @@ sub list_discussion {
my $maxdepth=0;
my %anonhash=();
my $anoncnt=0;
- my $target='';
- unless ($env{'browser.interface'} eq 'textual' ||
- $env{'environment.remote'} eq 'off' ) {
- $target='target="LONcom"';
- }
my $now = time;
$discinfo{$visitkey} = $visit;
&Apache::lonnet::put('nohist_'.$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,$prevread,$sortposts,$encsymb,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group);
my $discussion='';
my $manifestfile;
@@ -292,10 +296,8 @@ sub list_discussion {
my $copyresult;
my $function = &Apache::loncommon::get_users_function();
- my $color = &Apache::loncommon::designparm($function.'.tabbg',
- $env{'user.domain'});
my %lt = &Apache::lonlocal::texthash(
- 'cuse' => 'Current discussion settings',
+ 'cuse' => 'My settings for this discussion',
'allposts' => 'All posts',
'unread' => 'New posts only',
'unmark' => 'Unread only',
@@ -317,6 +319,7 @@ sub list_discussion {
'dpwn' => 'Deleted posts will no longer be visible to you and other students',
'bwco' => 'but will continue to be visible to your instructor',
'depo' => 'Deleted posts will no longer be visible to you or anyone else.',
+ 'discussions' => 'DISCUSSIONS'
);
my $currdisp = $lt{'allposts'};
@@ -368,8 +371,7 @@ sub list_discussion {
# Print the discusssion
if ($outputtarget eq 'tex') {
$discussion.='{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.
- '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'.
- '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'.
+ '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'.
'\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'.
'\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}';
} elsif ($outputtarget eq 'export') {
@@ -403,8 +405,7 @@ sub list_discussion {
my $manifestfilename = $tempexport.$manifest;
if ($manifestfile = Apache::File->new('>'.$manifestfilename)) {
$manifestok=1;
- print $manifestfile qq|
-
+ print $manifestfile qq|
'.
- "\n".'
';
+ "\n".'
';
$discussion .= &action_links_bar($colspan,$ressymb,$visible,
$newpostsflag,$group,
$prevread,$markondisp);
@@ -502,7 +502,7 @@ imscp_v1p1.xsd http://www.imsglobal.org/
my $thisdepth=$depth[$alldiscussion{$post}];
if ($outputtarget ne 'tex' && $outputtarget ne 'export') {
for (1..$thisdepth) {
- $discussion.='
END
if ($sortposts) {
@@ -603,7 +591,7 @@ END
my %status_types = ();
&sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype);
- $discussion .= '
';
@@ -840,15 +873,25 @@ sub postingform_display {
if ($crstype eq 'Community') {
$lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators');
}
- my $postingform = (<
-
+
$lt{'note'}
-$lt{'title'}:
'."\n";
+ }
+ $newattachmsg .= ''."\n";
+ } else {
+ $$currnewattach[0] =~ m#.*/([^/]+)$#;
+ $newattachmsg .= ''.$1.' '."\n";
+ }
}
+ $postingform .= $newattachmsg;
+ $postingform .= &generate_preview_button();
return $postingform;
}
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,$prevread,$sortposts,$ressymb,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_;
my @original=();
my @index=();
my $skip_group_check = 0;
my $symb=&Apache::lonenc::check_decrypt($ressymb);
my $escsymb=&escape($ressymb);
+# These are the discussion contributions
my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'},
$env{'course.'.$env{'request.course.id'}.'.domain'},
$env{'course.'.$env{'request.course.id'}.'.num'});
-
+# And these are the likes/unlikes
+ my %likes=&Apache::lonnet::dump('disclikes',
+ $env{'course.'.$env{'request.course.id'}.'.domain'},
+ $env{'course.'.$env{'request.course.id'}.'.num'},
+ '^'.$symb.':');
+ my $thisuser=$env{'user.name'}.':'.$env{'user.domain'};
+# Array with likes to figure out averages, etc.
+ my @theselikes=();
+# 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}))) {
$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'}) {
my $oldest = $contrib{'1:timestamp'};
if ($prevread eq '0') {
@@ -922,16 +987,52 @@ sub build_posting_display {
($skiptest,$roleregexp,$secregexp,$statusregexp) =
&filter_regexp($rolefilter,$sectionpick,$statusfilter);
$rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp;
- }
+ }
+# 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'})) {
+ push(@theselikes,$likes{$symb.':'.$idx.':likes'});
+ }
+ }
+# 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
+ my $oneplus=$ave+$stddev;
+ my $twoplus=$ave+2.*$stddev;
+ my $oneminus=$ave-$stddev;
+ my $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++) {
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'};
if ($prevread <= $posttime) {
$$newpostsflag = 1;
}
- my $hidden=($contrib{'hidden'}=~/\.$idx\./);
my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./);
- my $deleted=($contrib{'deleted'}=~/\.$idx\./);
my $origindex='0.';
my $numoldver=0;
if ($contrib{$idx.':replyto'}) {
@@ -955,7 +1056,7 @@ sub build_posting_display {
} else {
$$replies[$$depth[$idx]]=1;
}
- unless ((($hidden) && (!$seeid)) || ($deleted)) {
+ unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) {
$$visible++;
if ($contrib{$idx.':history'}) {
if ($contrib{$idx.':history'} =~ /:/) {
@@ -989,7 +1090,7 @@ sub build_posting_display {
$message.=$attachtxt{$numoldver};
$subject=$subjects{$numoldver};
if ($message) {
- if ($hidden) {
+ if ($hiddens{$idx}) {
$message=''.$message.'';
if ($studenthidden) {
$message .='
Deleted by poster (student).';
@@ -1016,6 +1117,7 @@ sub build_posting_display {
$contrib{$idx.':senderdomain'}).' ('.
$contrib{$idx.':sendername'}.':'.
$contrib{$idx.':senderdomain'}.')';
+ $sender = ''.$sender.'';
if ($contrib{$idx.':anonymous'}) {
$sender.=' ['.$$anonhash{$key}.'] '.
$screenname;
@@ -1052,53 +1154,47 @@ sub build_posting_display {
} else {
@{$$namesort{$lastname}{$firstname}} = ("$idx");
}
- if (&editing_allowed($escsymb.':::'.$idx,$group)) {
- if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) {
- $sender.=' '.&mt('Edit').'';
-
- unless ($seeid) {
- my $grpargs = &group_args($group);
- $sender.=" ';
- }
+ if ($outputtarget ne 'tex') {
+# Add karma stars
+ my $karma=&userkarma($contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'});
+ for (my $i=1;$i<=$karma;$i++) {
+ $sender.='';
}
- }
- if ($seeid) {
- if ($hidden) {
- unless ($studenthidden) {
- $sender.=' ';
}
- $sender .= '">'.&mt('Make Visible').'';
- }
- } else {
- $sender.=' '.&mt('Hide').'';
- }
- my $grpargs = &group_args($group);
- $sender.=
- " ";
- $sender .= &mt('Delete').'';
+ }
+ if ($seeid) {
+ if ($hiddens{$idx}) {
+ unless ($studenthidden) {
+ $sender.=' '.
+ &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group));
+ }
+ } else {
+ $sender.=' '.
+ &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group));
+ }
+ my $grpargs = &group_args($group);
+ $sender.=
+ " ";
+ $sender .= &mt('Delete').'';
+ }
}
- } else {
+ } else {
if ($screenname) {
$sender=''.$screenname.'';
} else {
$sender=''.$$anonhash{$key}.'';
}
+ $sender = ''.$sender.'';
# Set up for sorting by domain, then username for anonymous
unless (defined($$usernamesort{'__anon'})) {
%{$$usernamesort{'__anon'}} = ();
@@ -1118,36 +1214,29 @@ sub build_posting_display {
@{$$namesort{'__anon'}{'__anon'}} = ("$idx");
}
}
- if (&discussion_open($status)) {
- if (($group ne '') &&
- (&check_group_priv($group,'pgd') eq 'ok')) {
- $sender.=' '.&mt('Reply').'';
- } elsif (&Apache::lonnet::allowed('pch',
- $env{'request.course.id'}.
- ($env{'request.course.sec'}?'/'.
- $env{'request.course.sec'}:''))) {
- $sender.=' '.&mt('Reply').'';
}
- }
- if ($viewgrades) {
- $vgrlink=&Apache::loncommon::submlink('Submissions',
- $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
- }
- if ($$dischash{$readkey}=~/\.$idx\./) {
- $ctlink = '';
- } else {
- $ctlink = '';
+ if ($viewgrades) {
+ $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'),
+ $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb);
+ }
+ if ($$dischash{$readkey}=~/\.$idx\./) {
+ $ctlink = '';
+ } else {
+ $ctlink = '';
+ }
}
}
#figure out at what position this needs to print
@@ -1164,7 +1253,7 @@ sub build_posting_display {
if ($outputtarget eq 'export') {
%{$$imsitems{$idx}} = ();
$$imsitems{$idx}{'isvisible'}='true';
- if ($hidden) {
+ if ($hiddens{$idx}) {
$$imsitems{$idx}{'isvisible'}='false';
}
$$imsitems{$idx}{'title'}=$subjects{$numoldver};
@@ -1244,32 +1333,58 @@ sub build_posting_display {
unless ($$notshown{$idx} == 1) {
if ($prevread > 0 && $prevread <= $posttime) {
$$newitem{$idx} = 1;
- $$discussionitems[$idx] .= '
-
';
+ $$discussionitems[$idx].=' '.$ctlink;
+ }
+# Figure out size based on likes
+ my $thislikes=$likes{$symb.':'.$idx.':likes'};
+ my $likesize="100";
+ if ($thislikes>$twoplus) {
+ $likesize="200";
+ } elsif ($thislikes>$oneplus) {
+ $likesize="150";
+ }
+ if ($thislikes<$twominus) {
+ $likesize="50";
+ } elsif ($thislikes<$oneminus) {
+ $likesize="75";
+ }
+# Actually glue in the message itself
+ $$discussionitems[$idx].= '
'.
+ "
".
+ $message.
+ '
';
+# Put in the like and unlike buttons
+ unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) {
+ $$discussionitems[$idx].=' '.&discussion_link($symb,'','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting"));
+ } else {
+ $$discussionitems[$idx].='';
+ }
+ unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) {
+ $$discussionitems[$idx].=' '.&discussion_link($symb,'',,'unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting"));
+ } else {
+ $$discussionitems[$idx].='';
}
- $$discussionitems[$idx].= '
'.
- $message.'
';
+ my $thislikes=$likes{$symb.':'.$idx.':likes'};
+ if ($thislikes>0) {
+ $$discussionitems[$idx].=' ('.&mt("[_1] likes",$thislikes).')';
+ } elsif ($thislikes<0) {
+ $$discussionitems[$idx].=' ('.&mt("[_1] unlikes",abs($thislikes)).')';
+ }
+# If there is any history to this post, inform the reader
if ($contrib{$idx.':history'}) {
my @postversions = ();
- $$discussionitems[$idx] .= &mt('This post has been edited by the author.');
+ $$discussionitems[$idx] .= ' '.&mt('This post has been edited by the author.');
if ($seeid) {
- $$discussionitems[$idx] .= ' '.&mt('Display all versions').'';
+ $$discussionitems[$idx] .= ' '.
+ &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group));
}
$$discussionitems[$idx].=' '.&mt('Earlier version(s) were posted on: ');
if ($contrib{$idx.':history'} =~ m/:/) {
@@ -1282,12 +1397,19 @@ sub build_posting_display {
$$discussionitems[$idx] .= ''.$version.'. - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' ';
}
}
+# end of unless ($$notshown ...)
}
+# end of if ($message) ...
}
+# end of the else-branch of target being export
}
+# end of unless hidden or deleted
}
+# end of the loop over all discussion entries
}
+# end of "if there actually are any discussions
}
+# end of subroutine "build_posting_display"
}
sub filter_regexp {
@@ -1397,7 +1519,9 @@ sub get_post_contents {
my ($timesent,$attachmsg);
my %currattach = ();
$timesent = &Apache::lonlocal::locallocaltime($postversions[$i]);
- &newline_to_br(\$messages->{$i});
+ unless (&contains_block_html($messages->{$i})) {
+ &newline_to_br(\$messages->{$i});
+ }
$$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i});
$$subjects{$i}=~s/\n/\ /g;
$$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i});
@@ -1411,7 +1535,7 @@ sub get_post_contents {
foreach my $key (sort(keys(%currattach))) {
if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) {
my $fname = $1.$3.'/'.$4;
- $$imsfiles{$idx}{$i} .= ''."\n";
+ $$imsfiles{$idx}{$i} .= ''."\n";
$$attachtxt{$i}.= ''.$4.' ';
}
}
@@ -1484,11 +1608,16 @@ sub mail_screen {
}
my %lt = &Apache::lonlocal::texthash(
- 'myqu' => 'My question/comment/feedback:',
+ 'myqu' => 'Question/comment/feedback:',
'title' => 'Title',
'reta' => 'Retained attachments',
'atta' => 'Attachment',
);
+ if($env{'form.editdisc'} || $env{'form.replydisc'}){
+ %lt = &Apache::lonlocal::texthash(
+ 'myqu' => 'Post Discussion',
+ );
+ }
my $restitle = &get_resource_title($caller_symb,$feedurl);
my $quote='';
my $subject = '';
@@ -1623,7 +1752,7 @@ END
$comment = &unescape($env{'form.comment'});
&process_attachments(\@currnewattach,\@currdelold,\@keepold);
}
- my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1);
+ my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0));
my $send=&mt('Send');
my $alert = &mt('Please select a feedback type.');
my $js= <
END
+ my ($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'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
+ undef($textareaclass);
+ }
+ }
+ }
+
# Breadcrumbs
my $brcrum = [{'href' => '',
'text' => 'Resource Feedback and Discussion'}];
my %onload = ('onload' => 'window.focus();setposttype();');
+ my %parms=('add_entries' => \%onload);
+ if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
my $start_page=
- &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,
- {'add_entries' => \%onload,
- 'bread_crumbs' => $brcrum,});
+ &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms);
if ($quote ne '') {
- &newline_to_br(\$quote);
+ $quote = &HTML::Entities::decode($quote);
+ unless (&contains_block_html($quote)) {
+ &newline_to_br(\$quote);
+ }
$quote='