--- loncom/interface/lonfeedback.pm 2009/12/08 13:33:12 1.282 +++ loncom/interface/lonfeedback.pm 2010/08/14 15:24:46 1.298 @@ -1,7 +1,7 @@ # The LearningOnline Network # Feedback # -# $Id: lonfeedback.pm,v 1.282 2009/12/08 13:33:12 wenzelju Exp $ +# $Id: lonfeedback.pm,v 1.298 2010/08/14 15:24:46 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -41,6 +41,7 @@ use Apache::lonnavmaps; use Apache::lonenc(); use Apache::lonrss(); use HTML::LCParser(); +#use HTML::Tidy::libXML; use Apache::lonspeller(); use Apache::longroup; use Cwd; @@ -48,13 +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; } @@ -272,10 +282,6 @@ sub list_discussion { 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; @@ -316,6 +322,7 @@ 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 = $lt{'allposts'}; @@ -367,8 +374,7 @@ sub list_discussion { # Print the discusssion if ($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') { @@ -402,8 +408,7 @@ sub list_discussion { my $manifestfilename = $tempexport.$manifest; if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { $manifestok=1; - print $manifestfile qq| - + print $manifestfile qq| /; - $discussionitems[$alldiscussion{$post}]=~s/]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; $discussionitems[$alldiscussion{$post}]=~s/(|<\/b>|<\/a>|]+)>)//g; $discussionitems[$alldiscussion{$post}]='\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'.$discussionitems[$alldiscussion{$post}]; @@ -529,11 +532,11 @@ imscp_v1p1.xsd http://www.imsglobal.org/ print $manifestfile "\n". ''. - ''.$imsitems{$alldiscussion{$post}}{'title'}.''; + ''.$imsitems{$alldiscussion{$post}}{'title'}.''; $imsresources .= "\n". ''."\n". ''."\n". - $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n". + $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.''."\n". ''; } my $postingfile; @@ -742,9 +745,20 @@ END $env{'request.course.id'}. ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { if ($outputtarget ne 'tex') { - $discussion.= &send_feedback_link($ressymb,$target); + $discussion.= &send_feedback_link($ressymb,$target); + if ($env{'request.role.adv'}) { + my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); + if (defined($close) && $close ne '' && $close < time) { + $discussion .= ' '.&mt('(Closed for [_1] roles)', + &Apache::lonnet::plaintext('st',$crstype)); + } + } } - } + } else { + if ($outputtarget ne 'tex') { + $discussion.= ''.&mt('This discussion is closed.').''; + } + } if ($outputtarget ne 'tex') { $discussion.= &send_message_link($ressymb); } @@ -769,7 +783,7 @@ sub send_message_link { my $output = ''. ' '.&mt('Send Feedback').''; return $output; } @@ -828,6 +842,7 @@ sub action_links_bar { sub postingform_display { my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, $currnewattach,$currdelold,$group,$crstype) = @_; + if ($outputtarget eq 'tex') { return ''; } my $newattachmsg; my %lt = &Apache::lonlocal::texthash( 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', @@ -839,7 +854,12 @@ sub postingform_display { if ($crstype eq 'Community') { $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); } - my $postingform = (< @@ -847,7 +867,7 @@ sub postingform_display {
$lt{'note'}
$lt{'title'}: 

- + ENDDISCUSS if ($env{'form.origpage'}) { $postingform .= '\n"; - if ($outputtarget ne 'tex') { - $postingform .= &generate_attachments_button('',$attachnum,$ressymb, + $postingform .= &generate_attachments_button('',$attachnum,$ressymb, $now,$currnewattach, $currdelold,'',$mode, $blockblog); - if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { - $newattachmsg = '
'.$lt{'newa'}.'
'; - if (@{$currnewattach} > 1) { - $newattachmsg .= '
    '; - foreach my $item (@{$currnewattach}) { - $item =~ m#.*/([^/]+)$#; - $newattachmsg .= '
  1. '.$1.'
    2. '."\n"; - } - $newattachmsg .= '
'."\n"; - } else { - $$currnewattach[0] =~ m#.*/([^/]+)$#; - $newattachmsg .= ''.$1.'
'."\n"; - } - } - $postingform .= $newattachmsg; - $postingform .= &generate_preview_button(); + if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { + $newattachmsg = '
'.$lt{'newa'}.'
'; + if (@{$currnewattach} > 1) { + $newattachmsg .= '
    '; + foreach my $item (@{$currnewattach}) { + $item =~ m#.*/([^/]+)$#; + $newattachmsg .= '
  1. '.$1.'
    2. '."\n"; + } + $newattachmsg .= '
'."\n"; + } else { + $$currnewattach[0] =~ m#.*/([^/]+)$#; + $newattachmsg .= ''.$1.'
'."\n"; + } } + $postingform .= $newattachmsg; + $postingform .= &generate_preview_button(); return $postingform; } @@ -1015,6 +1033,7 @@ sub build_posting_display { $contrib{$idx.':senderdomain'}).' ('. $contrib{$idx.':sendername'}.':'. $contrib{$idx.':senderdomain'}.')'; + $sender = ''.$sender.''; if ($contrib{$idx.':anonymous'}) { $sender.=' ['.$$anonhash{$key}.'] '. $screenname; @@ -1051,7 +1070,7 @@ sub build_posting_display { } else { @{$$namesort{$lastname}{$firstname}} = ("$idx"); } - if (&editing_allowed($escsymb.':::'.$idx,$group)) { + if ((&editing_allowed($escsymb.':::'.$idx,$group)) && ($outputtarget ne 'tex')) { if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { $sender.=' '.$$anonhash{$key}.''; } + $sender = ''.$sender.''; # Set up for sorting by domain, then username for anonymous unless (defined($$usernamesort{'__anon'})) { %{$$usernamesort{'__anon'}} = (); @@ -1117,7 +1137,7 @@ sub build_posting_display { @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); } } - if (&discussion_open($status)) { + if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { if (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok')) { $sender.=' '.&mt('Reply').''; } } - if ($viewgrades) { - $vgrlink=&Apache::loncommon::submlink('Submissions', + if (($viewgrades) && ($outputtarget ne 'tex')) { + $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); } - if ($$dischash{$readkey}=~/\.$idx\./) { + if (($$dischash{$readkey}=~/\.$idx\./) && ($outputtarget ne 'tex')) { $ctlink = ''; } else { $ctlink = ''; @@ -1245,7 +1265,7 @@ sub build_posting_display { $$newitem{$idx} = 1; $$discussionitems[$idx] .= ' - '; + '; } else { $$newitem{$idx} = 0; $$discussionitems[$idx] .= ' @@ -1254,7 +1274,7 @@ sub build_posting_display { } $$discussionitems[$idx] .= ''; if ($$dischash{$toggkey}) { $$discussionitems[$idx].='
'.&mt('NEW').'
'.&mt('NEW').'   '. ''.$subject.'  '. - ''.$sender.' '.$vgrlink.' ('. + $sender.' '.$vgrlink.' ('. &Apache::lonlocal::locallocaltime($posttime).')  '. @@ -1396,7 +1416,9 @@ sub get_post_contents { my ($timesent,$attachmsg); my %currattach = (); $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); - &newline_to_br(\$messages->{$i}); + unless (&contains_block_html($messages->{$i})) { + &newline_to_br(\$messages->{$i}); + } $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); $$subjects{$i}=~s/\n/\
/g; $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); @@ -1410,7 +1432,7 @@ 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}.= ''.$4.'
'; } } @@ -1664,6 +1686,12 @@ END END + my ($textareaheader,$textareaclass); + if (&Apache::lonhtmlcommon::htmlareabrowser()) { + $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); + $textareaclass = 'class="LC_richDefaultOff"'; + } + # Breadcrumbs my $brcrum = [{'href' => '', 'text' => 'Resource Feedback and Discussion'}]; @@ -1675,7 +1703,10 @@ END 'bread_crumbs' => $brcrum,}); if ($quote ne '') { - &newline_to_br(\$quote); + $quote = &HTML::Entities::decode($quote); + unless (&contains_block_html($quote)) { + &newline_to_br(\$quote); + } $quote='
'.&Apache::lontexconvert::msgtexconverted($quote).'
'; } @@ -1700,16 +1731,17 @@ END $r->print(< $quote -

$lt{'myqu'}

+

$lt{'myqu'} +$textareaheader +

$latexHelp

$lt{'title'}:

-

-

END if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { if ($env{'form.origpage'}) { @@ -1731,6 +1763,7 @@ END } } else { $r->print(< $lt{'atta'} $attachmaxtext:

END @@ -1785,7 +1818,6 @@ END } } $r->print(&generate_preview_button(). - &Apache::lonhtmlcommon::htmlareaselectactive('comment'). &Apache::loncommon::end_page()); } @@ -2395,7 +2427,7 @@ sub fail_redirect { my ($r,$feedurl) = @_; if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; my %lt = &Apache::lonlocal::texthash( - 'sorr' => 'Sorry, no recipients ...', + 'sorr' => 'Sorry, no recipients ...', ); my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, @@ -2508,10 +2540,6 @@ sub redirect_back { &Apache::lonenc::check_encrypt(\$feedurl); my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); my %onload; - if ($env{'environment.remote'} ne 'off') { - $onload{'onload'} = - "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; - } my $start_page= &Apache::loncommon::start_page('Feedback sent',undef, {'redirect' => [0,$feedurl], @@ -2542,13 +2570,9 @@ ENDREDIR sub no_redirect_back { my ($r,$feedurl) = @_; - my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); + my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); my %onload; - if ($env{'environment.remote'} ne 'off') { - $onload{'onload'} = - "if (window.name!='loncapaclient') { self.window.close(); }"; - } my %body_options = ('only_body' => 1, 'bgcolor' => '#FFFFFF', @@ -2641,12 +2665,12 @@ sub screen_header { } } if ($msgoptions) { - $msgoptions='

' + $msgoptions='

' .' '.&mt('Send Feedback').'

'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'

' .$msgoptions; } if ($discussoptions) { - $discussoptions='

' + $discussoptions='

' .' '.&mt('Discussion Contributions').'

'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'

' .$discussoptions; } @@ -2667,9 +2691,7 @@ sub resource_output { } sub clear_out_html { - my ($message,$override,$ignore_htmlarea)=@_; - if (!$ignore_htmlarea - && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } + my ($message,$override)=@_; # Always allow the -tag my %html=(M=>1); # Check if more is allowed @@ -2678,11 +2700,12 @@ sub clear_out_html { ($override)) { # allows


      • #

        - # + # %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, - M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, - H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); + BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, + M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>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 $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ @@ -2928,7 +2951,7 @@ sub show_preview { &newline_to_br(\$message); $message=&Apache::lonspeller::markeduptext($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/\
        /g; $subject=&Apache::lontexconvert::msgtexconverted($subject); @@ -2949,18 +2972,31 @@ sub show_preview { } 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*/>| + >.* + )}xs + ); +} + +sub tidy_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]*> - )/x ); +# my $tidy = HTML::Tidy::libXML->new(); +# my $xhtml = $tidy->clean($message, 'utf-8', 1); +# $xhtml =~ m/(.*)<\/body>/is; +# my $clean = $1; +# # remove any empty block-level tags +# $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; +# $message=$clean; + return $message; } - + sub newline_to_br { my ($message)=@_; my $newmessage; @@ -3027,7 +3063,7 @@ END {'bread_crumbs' => $brcrum,}); 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/\
        /g; $subject=&Apache::lontexconvert::msgtexconverted($subject); my $timestamp=$env{'form.timestamp'}; @@ -3543,10 +3579,6 @@ sub handler { $r->send_http_header; my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); my %onload; - if ($env{'environment.remote'} ne 'off') { - $onload{'onload'} = - "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; - } my $start_page= &Apache::loncommon::start_page('New posts marked as read',undef, @@ -3879,8 +3911,7 @@ ENDREDIR my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); # Actually send mail - my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, - undef,1), + my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), $feedurl,$email,$citations, $attachmenturl,$usersymb,%to); @@ -3889,7 +3920,7 @@ ENDREDIR if ( ($env{'form.discuss'} ne '' && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) || $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'} ); $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, $subject); @@ -3900,7 +3931,7 @@ ENDREDIR my $blog=''; if ($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'}, $env{'user.domain'}, 'CourseBlog_'.$env{'request.course.id'}, @@ -4145,6 +4176,8 @@ None =item newline_to_br() +=item tidy_html() + =item generate_preview_button() =item modify_attachments()