--- loncom/interface/lonbulletin.pm 2003/11/24 16:00:45 1.18 +++ loncom/interface/lonbulletin.pm 2010/03/29 13:34:40 1.59 @@ -1,7 +1,7 @@ # The LearningOnline Network # Bulletin Board Handler # -# $Id: lonbulletin.pm,v 1.18 2003/11/24 16:00:45 www Exp $ +# $Id: lonbulletin.pm,v 1.59 2010/03/29 13:34:40 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -35,35 +35,40 @@ use Apache::lonnet; use Apache::lontexconvert; use Apache::lonfeedback; use Apache::lonlocal; +use Apache::lonhtmlcommon; +use HTML::Entities(); +use LONCAPA; sub handler { my $r = shift; &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; + my $target=$env{'form.grade_target'}; # ------------------------------------------------------------ Print the screen - $r->print(< - -The LearningOnline Network with CAPA -ENDDOCUMENT + if ($target eq 'tex') { + $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'})); + } my (undef,undef,undef,undef,$marker)=split(/\//,$r->uri); # Is this even in a course? - unless ($ENV{'request.course.id'}) { - $r->print('Not in a course'); + if (!$env{'request.course.id'}) { + &Apache::loncommon::simple_error_page($r,'Not in a course', + 'Not in a course'); return OK; } $marker=~s/\D//g; - unless ($marker) { - $r->print('Invalid call'); + if (!$marker) { + &Apache::loncommon::simple_error_page($r,'Invalid Call', + 'Invalid Call'); return OK; } - my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; - my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'}; + my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $crs = $env{'course.'.$env{'request.course.id'}.'.num'}; + my ($group,$grp_desc); # --------------------------------------------------------- The syllabus fields my %syllabusfields=&Apache::lonlocal::texthash( @@ -73,112 +78,275 @@ ENDDOCUMENT # ------------------------------------------------------------ Get Query String &Apache::loncommon::get_unprocessed_cgi - ($ENV{'QUERY_STRING'},['forcestudent','register']); + ($ENV{'QUERY_STRING'},['forcestudent','forceedit','register', + 'origpage','group','ref']); # ----------------------------------------------------- Force menu registration - my $addentries=''; - if ($ENV{'form.register'}) { - $addentries=' onLoad="'.&Apache::lonmenu::loadevents(). - '" onUnload="'.&Apache::lonmenu::unloadevents().'"'; - $r->print(&Apache::lonmenu::registerurl(1)); + my %addentries; + if ($env{'form.origpage'}) { + $addentries{'onload'} = "document.location='#newpost';"; } # --------------------------------------------------------------- Force Student my $forcestudent=''; - if ($ENV{'form.forcestudent'}) { $forcestudent='student'; }; + if ($env{'form.forcestudent'}) { $forcestudent='student'; } + + my $forceedit=''; + if ($env{'form.forceedit'}) { $forceedit='edit'; } + my $refarg = ''; + if (exists($env{'form.ref'})) { $refarg = 'ref='.$env{'form.ref'}; } my %syllabus=&Apache::lonnet::dump('bulletinpage_'.$marker,$dom,$crs); - + + my $boardurl = $r->uri; + if ($boardurl =~ m|/adm/\Q$dom\E/\Q$crs\E/\d+/bulletinboard|) { + if (!exists($syllabus{'group'})) { + &Apache::loncommon::simple_error_page($r,'Group information missing', + 'Group information missing'); + + return OK; + } else { + $group = $syllabus{'group'}; + if ($group eq '') { + &Apache::loncommon::simple_error_page($r,'Invalid group', + 'Invalid group'); + return OK; + } + my %curr_groups = &Apache::longroup::coursegroups($dom,$crs,$group); + if (!defined($curr_groups{$group})) { + &Apache::loncommon::simple_error_page($r,'Invalid group', + 'Invalid group'); + return OK; + } else { + my %content = &Apache::longroup::get_group_settings( + $curr_groups{$group}); + $grp_desc = &unescape($content{'description'}); + } + } + } + # --------------------------------------- There is such a user, get environment + if ($target ne 'tex') { + my $course_or_group; + if($group eq '') { + $course_or_group="Course"; + } else { + $course_or_group="Group"; + } + my $start_page = + &Apache::loncommon::start_page("$course_or_group Discussion Board",undef, + {'function' => $forcestudent, + 'add_entries' => \%addentries, + 'domain' => $dom, + 'force_register' => + $env{'form.register'}}); + $r->print($start_page); + if ($group ne '' && $env{'form.group'} eq $group) { + my $gpterm = &Apache::loncommon::group_term(); + my $ucgpterm = $gpterm; + $ucgpterm =~ s/^(\w)/uc($1)/e; + my ($groupboards,$boards) = + &Apache::longroup::get_group_bbinfo($dom,$crs,$group,$boardurl); + my $boardtitle; + if ((ref($groupboards) eq 'ARRAY') && (@{$groupboards} > 0)) { + $boardtitle = $$boards{$$groupboards[0]}{'title'}; + } + $boardurl .= '?register=1&group='.$group; + $r->print(&groupboard_breadcrumbs($dom,$crs,$group,$refarg,$gpterm, + $ucgpterm,$grp_desc,$boardurl,$boardtitle)); + } + } + my ($allowed); + if ($group ne '') { + $allowed=&Apache::lonnet::allowed('mdg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); + if (!$allowed) { + $allowed = &Apache::lonnet::allowed('cgb',$env{'request.course.id'}. + '/'.$group); + } + if (!$allowed) { + if ((!&Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) && + (!&Apache::lonnet::allowed('vgb',$env{'request.course.id'}. + '/'.$group))) { + &print_end_page($r,$target); + return OK; + } + } + } else { + $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'}); + } - $r->print(''.&Apache::loncommon::bodytag - ("Bulletin Board/Discussion",$forcestudent,$addentries,'',$dom, - $ENV{'form.register'})); - - my $allowed=&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'}); - - if ($forcestudent) { $allowed=0; } - - if ($allowed) { - $r->print( - '

'. -&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'
Show Student View'. - &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'

'); - } - if (($ENV{'form.uploaddoc.filename'}) && - ($ENV{'form.storeupl'}) && ($allowed)) { - if ($ENV{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) { - $syllabus{'uploaded.photourl'}= - &Apache::lonnet::userfileupload('uploaddoc',1); - } - $syllabus{'uploaded.lastmodified'}=time; - &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs); - } - if (($allowed) && ($ENV{'form.storesyl'})) { - foreach (keys %syllabusfields) { - my $field=$ENV{'form.'.$_}; - $field=~s/\s+$//s; - $field=&Apache::lonfeedback::clear_out_html($field,1); - $syllabus{$_}=$field; - } - $syllabus{'uploaded.lastmodified'}=time; - &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs); - } + my $privileged=$allowed; + if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) { + $forcestudent='student'; + } + if ($forcestudent or $target eq 'tex') { $allowed=0; } -# ---------------------------------------------------------------- Get syllabus + if ($allowed) { + my $query_str = 'forcestudent=1'; + if (($group ne '') && ($env{'form.group'} eq $group)) { + $query_str.='&group='.$group.'&'.$refarg; + } + if ($env{'form.register'}) { + $query_str .= '&register='.$env{'form.register'}; + } + #Function Box for Edit Mode. + my $functionbox = &Apache::lonhtmlcommon::start_funclist(); + $functionbox .= &Apache::lonhtmlcommon::add_item_funclist( + ''.&mt('Show Student View').''. + &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView')); + $functionbox.=&Apache::lonhtmlcommon::end_funclist(); + $r->print(&Apache::loncommon::head_subbox($functionbox).&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes'))); + } elsif ($privileged and $target ne 'tex') { + my $query_str = 'forceedit=edit'; + if (($group ne '') && ($env{'form.group'} eq $group)) { + $query_str.='&group='.$group.'&'.$refarg; + } + if ($env{'form.register'}) { + $query_str .= '&register='.$env{'form.register'}; + } + #Functionbox for Student view. + my $functionbox = &Apache::lonhtmlcommon::start_funclist(); + $functionbox .= &Apache::lonhtmlcommon::add_item_funclist( + "".&mt('Edit').""); + $functionbox.=&Apache::lonhtmlcommon::end_funclist(); + $r->print(&Apache::loncommon::head_subbox($functionbox)); + } + + if (($env{'form.uploaddoc.filename'}) && + ($env{'form.storeupl'}) && ($allowed)) { + if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) { + if ($syllabus{'uploaded.photourl'}) { + &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'}); + } + if ($group ne '') { + $syllabus{'uploaded.photourl'}= + &Apache::lonnet::userfileupload('uploaddoc',1, + 'bulletin/'.$group.'/'.$marker); + } else { + $syllabus{'uploaded.photourl'}= + &Apache::lonnet::userfileupload('uploaddoc',1, + 'bulletin/'.$marker); + } + } + $syllabus{'uploaded.lastmodified'}=time; + &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs); + } + if (($allowed) && ($env{'form.storesyl'})) { + foreach my $syl_field (keys(%syllabusfields)) { + my $field=$env{'form.'.$syl_field}; + $field=~s/\s+$//s; + $field=&Apache::lonfeedback::clear_out_html($field,1); + $syllabus{$syl_field}=$field; + } + $syllabus{'uploaded.lastmodified'}=time; + &Apache::lonnet::put('bulletinpage_'.$marker,\%syllabus,$dom,$crs); + } + +# ---------------------------------------------------------------- Get discussion board if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) { - if ($syllabus{'uploaded.photourl'}) { - $r->print(''); - } - if ($allowed) { - $r->print( - '
'. - '

Upload a Photo

'. - ''. - ''. - '
'); - } - foreach (sort keys %syllabusfields) { - if (($syllabus{$_}) || ($allowed)) { - my $message=$syllabus{$_}; - $message=~s/\n/\
/g; - $message - =~s/(https*\:\/\/[^\s]+)/\\$1\<\/tt\>\<\/a\>/g; - $message=&Apache::lontexconvert::msgtexconverted($message); - unless ($_ eq 'aaa_title') { - if (($_ ne 'bbb_content') || ($allowed)) { - $r->print('

'.$syllabusfields{$_}.'

'); - } - $r->print('
'. - $message.'
'); - if ($allowed) { - $r->print('
'); - } - } else { - $r->print('

'.$message.'

'); - if ($allowed) { - $r->print( - '
Topic
'); - } - } - } - } - if ($allowed) { - $r->print(''); - } - $r->print('

'); + #Print Topic as Heading + my $titletext=&HTML::Entities::encode($syllabus{'aaa_title'},'<>&"');; + if ($target ne 'tex') { + $r->print('

'.$titletext.'

'); + } else { + $r->print('\\\\\textbf{'.&Apache::lonxml::xmlparse($r,'tex',$titletext).'}\\\\'); + } + #Outputbox and Inputbox for Topic + if ($allowed) { + $r->print('
'); + &Apache::lontemplate::print_start_template($r,&mt('Title'),'LC_Box'); + $r->print($titletext); + $r->print("
"); + &Apache::lontemplate::print_textarea_template($r, $syllabus{'aaa_title'}, + 'aaa_title', Apache::lontemplate->RICH_TEXT_ALWAYS_OFF); + &Apache::lontemplate::print_saveall_template($r); + $r->print("
"); + &Apache::lontemplate::print_end_template($r); + } + if ($syllabus{'uploaded.photourl'}) { + &Apache::lonnet::allowuploaded('/adm/syllabus', + $syllabus{'uploaded.photourl'}); + } + my @htmlids=(); + #Outputbox and Inputbox for Image upload + if ($allowed) { + my $message = ''.&mt('Image').''; + &Apache::lontemplate::print_start_template($r, &mt('Upload a Photo'),'LC_Box'); + $r->print($message); + $r->print("

"); + $r->print( + ''. + ''. + ''. + ''); + &Apache::lontemplate::print_end_template($r); + } + #Image in Student view. + elsif($syllabus{'uploaded.photourl'} && $target ne 'tex'){ + $r->print(''.&mt('Image').''); + } + + my %custom_handlers = ( 'aaa_title' => sub {} ); + @htmlids = &Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields, + $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_handlers); + if ($allowed) { + $r->print('
'. + &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids)); + } + if ($target ne 'tex'){ + $r->print('


'); + } + else { + $r->print(&Apache::lonxml::xmlparse($r,'tex','


')); + } } else { - $r->print('

No page information provided.

'); + $r->print('

'.&mt('No page information provided.').'

'); } - $r->print(&Apache::lonfeedback::list_discussion - ('board','OPEN','bulletin___'.$marker.'___'. - $r->uri).''); + #Lists discussion posts and box for a new discussion post. + if ($target ne 'tex') { + $r->print(&Apache::lonfeedback::list_discussion + ('board','OPEN','bulletin___'.$marker.'___'. + $r->uri,undef,$group)); + } else { + $r->print('\\\\'.&Apache::lonxml::xmlparse($r,'tex',&Apache::lonfeedback::list_discussion + ('board','OPEN','bulletin___'.$marker.'___'. + $r->uri,undef,$group))); + } + &print_end_page($r,$target); return OK; -} +} + +sub print_end_page { + my ($r,$target) = @_; + if ($target ne 'tex') { + $r->print(&Apache::loncommon::end_page()); + } else { + $r->print('\end{document}'); + } +} + +sub groupboard_breadcrumbs { + my ($cdom,$cnum,$group,$refarg,$gpterm,$ucgpterm,$description,$boardurl, + $boardtitle)= @_; + &Apache::lonhtmlcommon::clear_breadcrumbs(); + if ($refarg ne '') { + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"/adm/coursegroups", + text=>"Groups", + title=>"View course groups"}); + } + &Apache::lonhtmlcommon::add_breadcrumb + ({href=>"/adm/$cdom/$cnum/$group/smppg?$refarg", + text=>"$ucgpterm: $description", + title=>"Go to group's home page"}, + {href=>"/adm/groupboards?group=$group&$refarg", + text=>"Discussion Boards", + title=>"Display group discussion boards"}, + {href=>"$boardurl", + text=>"$boardtitle", + title=>"$boardtitle"}, + ); + my $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('[_1] discussion boards - [_2]',$gpterm,$description)); + return $output; +} 1; __END__