--- loncom/interface/lonsyllabus.pm 2006/03/06 22:17:48 1.45 +++ loncom/interface/lonsyllabus.pm 2025/03/16 21:04:09 1.157 @@ -1,7 +1,7 @@ # The LearningOnline Network # Syllabus # -# $Id: lonsyllabus.pm,v 1.45 2006/03/06 22:17:48 www Exp $ +# $Id: lonsyllabus.pm,v 1.157 2025/03/16 21:04:09 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,50 +29,219 @@ package Apache::lonsyllabus; use strict; +use Apache::lontemplate; use Apache::Constants qw(:common); use Apache::loncommon; use Apache::lonnet; use Apache::lontexconvert; use Apache::lonfeedback; +use Apache::lonhtmlgateway; use Apache::lonannounce; use Apache::lonlocal; use Apache::lonhtmlcommon; use Apache::lonspeller(); +use Apache::lonwrapper(); +use HTML::Entities(); 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'}; # --------------------------------------------------- Get course info from URL my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri); +# ------------------------------------------------------------ Get query string + &Apache::loncommon::get_unprocessed_cgi + ($ENV{'QUERY_STRING'},['register','forceedit','todocs', + 'folderpath','title','only_body']); # ----------------------------------------------------- Is this even a course? my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom); if ($homeserver eq 'no_host') { &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; - $r->print(''.&mt('No syllabus available').''); + &Apache::loncommon::simple_error_page($r,'No syllabus available', + 'No syllabus available'); + return OK; + } elsif (!&Apache::lonnet::is_course($cdom,$cnum)) { + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + &Apache::loncommon::simple_error_page($r,'No syllabus available', + 'The course/community for which the syllabus was requested does not exist.'); return OK; } # ------------------------------------- There is such a course, get environment my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum); - - &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; - return OK if $r->header_only; + my $crstype = &Apache::loncommon::course_type(); + +# --------------------------------------------------------------- Force Student + my ($forceedit,$forcestudent); + if ($env{'form.forceedit'}) { $forceedit=1; } + if (!$forceedit) { + $forcestudent=1; + } + +# --------------------------------------------------------------- Check Privileges + my $allowed = 0; + if ($env{'user.environment'}) { +# does this user have privileges to post, etc? + if ($env{'request.course.id'} + && $cdom eq $env{'course.'.$env{'request.course.id'}.'.domain'} + && $cnum eq $env{'course.'.$env{'request.course.id'}.'.num'}) { + $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'}); + if ($forcestudent or $target eq 'tex') { $allowed=0; } + } + } + +# -------------------------------------------------- Let's see who handles this + my $external=$courseenv{'externalsyllabus'}; + my $uploaded=$courseenv{'uploadedsyllabus'}; + my $minimal=$courseenv{'minimalsyllabus'}; + + if (($minimal =~/\w/) || ($uploaded =~/\w/)) { + my ($item,$is_pdf); + if ($minimal =~/\w/) { + if ($external =~ m{\Q$minimal\E$}) { + undef($external); + } + $item = $minimal; + } elsif ($uploaded =~/\w/) { + if ($external =~ m{\Q$uploaded\E$}) { + undef($external); + } + $item = $uploaded; + if ($item =~ /\.pdf$/i) { + $is_pdf = 1; + } + } + unless ($allowed && $forceedit) { + my $file=&Apache::lonnet::filelocation("",$item); + if ($file =~ /\.(tex|x?html?)$/) { + my $filetype = $1; + my $filecontents=&Apache::lonnet::getfile($file); + if ($filecontents eq -1) { + $r->print(&mt('Syllabus file unavailable')); + } elsif ($filetype eq 'tex') { + if ($target eq 'tex') { + $r->print($filecontents); + } else { + my $texengine = $env{'form.texengine'}; + if ($texengine eq '') { + $texengine = 'tth'; + } elsif (lc($texengine) eq 'jsmath') { + $texengine = 'MathJax'; + } + my $result = &Apache::lontexconvert::converted(\$filecontents,$texengine); + my %args; + &get_breadcrumbs($cdom,$cnum,$crstype,\%args); + if ($env{'form.only_body'}) { + $args{'only_body'} = 1; + } + if ($env{'request.use_absolute'}) { + $args{'use_absolute'} = $env{'request.use_absolute'}; + } + $r->print(&Apache::loncommon::start_page("Syllabus",undef,\%args). + $result. + &Apache::loncommon::end_page()); + } + } else { + my %mystyle; + unless ($target eq 'tex') { + $target = 'web'; + } + &Apache::structuretags::reset_problem_globals(); + my $oldfile = $env{'request.filename'}; + $env{'request.filename'} = $item; + my $oldinhibit; + if ($env{'form.only_body'}) { + $oldinhibit = $env{'form.inhibitmenu'}; + $env{'form.inhibitmenu'} = 'yes'; + } + my $result = &Apache::lonxml::xmlparse($r,$target,$filecontents, + '',%mystyle); + if ($env{'form.only_body'}) { + if ($oldinhibit ne '') { + $env{'form.inhibitmenu'} = $oldinhibit; + } else { + delete($env{'form.inhibitmenu'}); + } + } + &Apache::structuretags::reset_problem_globals(); + &Apache::lonhomework::finished_parsing(); + $env{'request.filename'} = $oldfile; + &Apache::lonxml::add_messages(\$result); + $r->print($result); + } + } else { + if ($target eq 'tex') { + $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}). + ' \strut \\\\ \textbf{'.&mt('Syllabus').'} \strut \\\\ '. + &mt('Unsupported file type.').' \strut \\\\ '. + &mt('Print the syllabus directly from your web browser'). + '\end{document}'); + } else { + my $brcrum; + if ($env{'form.folderpath'} =~ /^supplemental/) { + &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom); + my $title = $env{'form.title'}; + if ($title eq '') { + $title = &mt('Syllabus'); + } + $brcrum = + &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1); + } + $r->print(&Apache::lonwrapper::wrapper($r,$item,$brcrum,$env{'request.use_absolute'}, + undef,$is_pdf,undef,'','',&mt('Syllabus'))); + } + } + return OK; + } + } elsif ($external=~/\w/) { + unless ($allowed && $forceedit) { + if (($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public') && + ($ENV{'SERVER_PORT'} == 443) && ($external =~ m{^http://}) && !($env{'form.usehttp'})) { + my $hostname = $r->hostname(); + unless ((&Apache::lonnet::uses_sts()) || (&Apache::lonnet::waf_allssl($hostname))) { + &redirect_to_http($r); + return OK; + } + } + if ($target eq 'tex') { + $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}). + ' \strut \\\\ \textbf{'.&mt('Syllabus').'} \strut \\\\ '.$external.' '. + ' \strut \\\\ '.&mt('Print the syllabus directly from your web browser'). + '\end{document}'); + } else { + my $is_ext = 1; + my ($is_pdf,$brcrum); + if ($external =~ /\.pdf$/i) { + $is_pdf = 1; + } + if ($env{'form.folderpath'} =~ /^supplemental/) { + &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom); + my $title = $env{'form.title'}; + if ($title eq '') { + $title = &mt('Syllabus'); + } + $title = &HTML::Entities::encode($title,'\'"<>&'); + $brcrum = + &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1); + } + $r->print(&Apache::lonwrapper::wrapper($r,$external,$brcrum,$env{'request.use_absolute'}, + $is_ext,$is_pdf,undef,'','',&mt('Syllabus'))); + } + return OK; + } + } + # ------------------------------------------------------------ Print the screen - my $target=$env{'form.grade_target'}; - my $feedurl='feed://'.$ENV{'HTTP_HOST'}.'/public/'.$cdom.'/'.$cnum.'/Course_Announcements.rss'; - if ($target ne 'tex') { - my $html=&Apache::lonxml::xmlbegin(); - $r->print(< -The LearningOnline Network with CAPA - -ENDDOCUMENT - } else { - $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'})); - } + if ($target eq 'tex') { + $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'})); + } + +# ------------------------------ The buck stops here: internal syllabus display # --------------------------------------------------------- The syllabus fields my %syllabusfields=&Apache::lonlocal::texthash( 'aaa_instructorinfo' => 'Instructor Information', @@ -90,247 +259,1499 @@ ENDDOCUMENT 'jjj_weblinks' => 'Web Links', 'kkk_textbook' => 'Textbook', 'lll_includeurl' => 'URLs To Include in Syllabus'); +# ---------------------------------------------------------- Load syllabus info + my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum); + my ($output,%displayfields,%noshow); -# ------------------------------------------------------------ Get query string - &Apache::loncommon::get_unprocessed_cgi - ($ENV{'QUERY_STRING'},['forcestudent','register','forceedit']); -# ----------------------------------------------------- Force menu registration - my $addentries=''; - if ($env{'form.register'}) { - $addentries=' onLoad="'.&Apache::lonmenu::loadevents(). - '" onUnload="'.&Apache::lonmenu::unloadevents().'"'; - $r->print(&Apache::lonmenu::registerurl(1)); +# This handler might be called anonymously ... +# ----------------------------------------------------- Only if not public call + if ($allowed) { + if (($env{'form.choice'} =~ /^(template|minimal|url|file)$/) || + ($env{'form.phase'} =~ /^(upload|check)_embedded$/)) { + my $earlyout; + ($earlyout,$uploaded,$external,$minimal,$output) = + &save_changes($cnum,$cdom,$uploaded,$external,$minimal, + \%syllabus,\%syllabusfields,\%courseenv); + if (($env{'form.choice'} eq 'minimal') && + ($minimal eq "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html")) { + delete($env{'form.symb'}); + delete($env{'request.symb'}); + $r->internal_redirect("$minimal?editmode=1&forceedit=1"); + return OK; + } + if ($earlyout) { + if ($target ne 'tex') { + &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit, + \%syllabus,\%syllabusfields); + $r->print($output. + &Apache::loncommon::end_page()); + } + return OK; + } + } } -# --------------------------------------------------------------- Force Student - my $forcestudent=''; - if ($env{'form.forcestudent'}) { $forcestudent='student'; }; - my $forceedit=''; - if ($env{'form.forceedit'}) { $forceedit='edit'; } - -# ----------------------------------------------------------------- Make header if ($target ne 'tex') { - $r->print(&Apache::lonhtmlcommon::htmlareaheaders(). - ''.&Apache::loncommon::bodytag - ("Syllabus",$forcestudent,$addentries,'',$cdom,$env{'form.register'})); - $r->print('

'.$courseenv{'description'}.'

'. - $Apache::lonnet::domaindescription{$cdom}.'

'); + &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,\%syllabus, + \%syllabusfields); + $r->print($output); + } + +# -------------------------------------------- Determine which fields are shown + + if ($syllabus{'uploaded.fields'}) { + if ($syllabus{'uploaded.fields'} eq 'none') { + foreach my $field (keys(%syllabusfields)) { + $displayfields{$field} = ' style="display:none;"'; + $noshow{$field} = 1; + } + } else { + my %included; + map { $included{$_} = 1; } split(/,/,$syllabus{'uploaded.fields'}); + foreach my $field (keys(%syllabusfields)) { + my ($prefix) = split(/_/,$field); + if ($included{$prefix}) { + $displayfields{$field} = ' style="display:block;"'; + } else { + $displayfields{$field} = ' style="display:none;"'; + $noshow{$field} = 1; + } + } + } } else { - $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'. - $Apache::lonnet::domaindescription{$cdom}.'}\\\\'); + foreach my $field (keys(%syllabusfields)) { + if ($syllabus{$field} ne '') { + $displayfields{$field} = ' style="display:block;"'; + } else { + $displayfields{$field} = ' style="display:none;"'; + } + } } -# -------------------------------------------------------------- Announcements? + + if ($allowed) { +#---------------------------------- Print External URL Syllabus Info if editing + if ($target ne 'tex') { + my $link = &Apache::lonnet::url_prefix($r,$cdom,$homeserver,'web'). + $r->uri; + $r->print('
' + .'' + .'' + .&mt('Public link (no log-in): [_1]',''.$link.'') + .' '.&Apache::loncommon::help_open_topic('Syllabus_ExtLink') + .'' + .'
'."\n"); + my $lonhost = $r->dir_config('lonHostID'); + $r->print(&chooser($r,$external,$uploaded,$minimal,$cdom,$cnum,$lonhost, + \%syllabusfields,\%syllabus)); + } + } else { +#--------------------------------------------- Print last update unless editing + my $lastmod=$syllabus{'uploaded.lastmodified'}; + $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never')); + my $who; + if ($syllabus{'uploaded.lastmodified'}) { + if (($env{'user.name'} ne 'public') && ($env{'user.domain'} ne 'public')) { + $who = &Apache::loncommon::aboutmewrapper( + &Apache::loncommon::plainname($syllabus{'uploaded.name'}, + $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'}, + $syllabus{'uploaded.domain'}); + } else { +# Public user? +# Only display name of user, but no link to personal information page + $who = &Apache::loncommon::plainname( + $syllabus{'uploaded.name'}, + $syllabus{'uploaded.domain'}); + } + } + if ($target ne 'tex') { + $r->print('
'.&mt('Last updated').': '. + $lastmod . ' '. + ($who ? &mt('by').' '.$who + : '' ) . + '
' ); + } else { + $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '. + ($who? &mt('by').'\\\\ '. + &Apache::loncommon::plainname($syllabus{'uploaded.name'},$syllabus{'uploaded.domain'}) + :'') + .'\\\\'); + } + } + +#-------------------------------------------------------------- Print Headtitle if ($target ne 'tex') { - $r->print(&Apache::lonannounce::showday(time,2, - &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)). - &Apache::lonrss::advertisefeeds($cnum,$cdom)); - } else { - $r->print(&Apache::lonxml::xmlparse($r,'tex', - &Apache::lonannounce::showday(time,2, - &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)))); + my $display = 'block'; + if ($external || $uploaded || $minimal) { + $display = 'none'; + } + $r->print('
'. + '

'.$courseenv{'description'}.'

'); + if ($allowed) { + $r->print('
'. + '

'.&Apache::lonnet::domain($cdom,'description').'

'. + '
'); +# Print Help Text if editing at right side of screen + $r->print('
'. + &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')). + '

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

'.&Apache::lonnet::domain($cdom,'description').'

'); + } + } else { + $r->print('\noindent{\large\textbf{'.$courseenv{'description'}.'}}\\\\\\\\\textbf{'. + &Apache::lonnet::domain($cdom,'description').'}\\\\'); } # -------------------------------------------------------- Get course personnel - my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum); + my $hidepersonnel; + if (($syllabus{'uploaded.fields'}) && + (($syllabus{'uploaded.fields'} eq 'none') || + ($syllabus{'uploaded.fields'} !~ /000/))) { + $hidepersonnel = 1; + } + if ($target ne 'tex') { + if ($allowed) { + my $display = ' style="display:block;"'; + if ($hidepersonnel) { + $display = ' style="display:none;"'; + } + &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box', + 'box_000_showpeople',$display); + $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus)); + &Apache::lontemplate::print_end_template($r); + } else { + unless ($hidepersonnel) { + &Apache::lontemplate::print_start_template($r,&mt('Personnel'),'LC_Box'); + $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,\%syllabus)); + &Apache::lontemplate::print_end_template($r); + } + } + } else { + unless ($hidepersonnel) { + $r->print(&get_personnel($r,$target,$cdom,$cnum,$allowed,$crstype,%syllabus)); + } + } +# -------------------------------------------------------------- Announcements? + my $day = &Apache::lonannounce::showday(time,2, + &Apache::lonannounce::readcalendar($cdom.'_'.$cnum)); + my $hidefeeds; + if (($syllabus{'uploaded.fields'}) && + (($syllabus{'uploaded.fields'} eq 'none') || + ($syllabus{'uploaded.fields'} !~ /111/))) { + $hidefeeds = 1; + } if ($target ne 'tex') { - $r->print(''); + if ($allowed) { + my $display = ' style="display:block;"'; + if ($hidefeeds) { + $display = ' style="display:none;"'; + } + &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box', + 'box_111_showrssfeeds',$display); + my ($numfeeds,$hiddenfeeds,$rsslinktext); + my $feeds=&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit,\$numfeeds, + \$hiddenfeeds,1); + if ($numfeeds) { + $r->print($feeds); + $rsslinktext = &mt('New RSS Feed or Blog'); + } else { + my $msg = '
'. + &mt("RSS Feeds and Blogs item is not included in a student's view of the syllabus."); + if ($hiddenfeeds) { + $r->print('

'. + &mt('All feeds currently hidden'). + $msg. + '

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

'. + &mt('No current feeds'). + $msg. + '

'); + } + $rsslinktext = &mt('Manage Course RSS Feeds/Blogs'); + if ($crstype eq 'Community') { + $rsslinktext = &mt('Manage Community RSS Feeds/Blogs'); + } + } + my $editurl= &Apache::lonnet::absolute_url().'/adm/'.$cdom.'/'.$cnum.'/_rss.html'; + $r->print( ''.$rsslinktext.''); + &Apache::lontemplate::print_end_template($r); + } else { + unless ($hidefeeds) { + my $feeds = &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit,'','',1); + if ($feeds ne '') { + &Apache::lontemplate::print_start_template($r,&mt('RSS Feeds and Blogs'),'LC_Box'); + $r->print($feeds); + &Apache::lontemplate::print_end_template($r); + } + } + } } else { - $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline'); + $r->print(&Apache::lonxml::xmlparse($r,'tex',$day)); + } +# ---------------------------------------------------------------- Get syllabus + if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) { + my $url_include_handler = sub { + my ($r, $field, $message, $group, $data_ref, $fields_ref, $target, $allowed, $display) = @_; + my %data = %{$data_ref}; + my %fields = %{$fields_ref}; + my $urls=$message; + $message=''; + foreach my $filelink (split(/\n/,$urls)) { + my $output=''; + # embed style? + my ($curfext)=($filelink=~/\.([^\.]+)$/); + my $embstyle=&Apache::loncommon::fileembstyle($curfext); + if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) {# make ssi call and remove everything but the body contents + $output=&Apache::lonnet::ssi_body($filelink); + } elsif ($embstyle eq 'img') {# embed as an image + $output=''; + } + if ($output ne '') { + if ($target ne 'tex') { + $message.='

'.$output.'

'; + } else { + $message.=' '.&Apache::lonxml::xmlparse($r,'tex','

'.$output.'

').' '; + } + } + } + if ($allowed) { + &Apache::lonfeedback::newline_to_br(\$urls); + &Apache::lontemplate::print_start_template($r,$fields{$field}. + &Apache::loncommon::help_open_topic('Syllabus_URLs'),'LC_Box', + 'box_'.$field,$display); + $r->print($urls); + $r->print("
"); + &Apache::lontemplate::print_textarea_template($r, $data{$field}, + $field, $fields{$field}, Apache::lontemplate->RICH_TEXT_ALWAYS_OFF); + &Apache::lontemplate::print_saveall_template($r); + $r->print("
"); + &Apache::lontemplate::print_end_template($r); + + } else { + $r->print($message); + } + }; + my %custom_hash = ( 'lll_includeurl' => $url_include_handler ); + &Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields, + $target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_hash, + undef,\%displayfields,\%noshow); + if ($allowed) { + $r->print(''. + &Apache::lonhtmlcommon::htmlareaselectactive()); + } + } else { + if ($target ne 'tex') {$r->print('

');} else {$r->print('\par ');} + $r->print(&mt('No syllabus information provided.')); + if ($target ne 'tex') {$r->print('

');} + } + if ($target ne 'tex') { + if ($env{'form.backto'} eq 'coursecatalog') { + $r->print(''. + &Apache::lonhtmlcommon::echo_form_input(['backto','courseid']). + ''); + } + $r->print(&Apache::loncommon::end_page()); + } else { + $r->print('\end{document}'); + } + return OK; +} + +sub print_header { + my ($r,$cnum,$cdom,$crstype,$allowed,$forceedit,$syllabus,$syllabusfields) = @_; + return unless ((ref($syllabus) eq 'HASH') || (ref($syllabusfields) eq 'HASH')); +# ----------------------------------------------------------------- Make header + my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom); + my $js; + if ($env{'form.backto'} eq 'coursecatalog') { + $js .= <<"ENDSCRIPT"; + + + +ENDSCRIPT + } + if ($allowed && $forceedit) { + my $check_uncheck = &Apache::loncommon::check_uncheck_jscript(); + my @fieldnames = sort(keys(%{$syllabusfields})); + unshift(@fieldnames,'000_showpeople','111_showrssfeeds'); + my (@checked,@unchecked); + if ($syllabus->{'uploaded.fields'} eq 'none') { + my $lastidx = scalar(@fieldnames)-1; + @unchecked = (0..$lastidx); + } elsif ($syllabus->{'uploaded.fields'}) { + my %included; + map { $included{$_} = 1; } split(/,/,$syllabus->{'uploaded.fields'}); + for (my $i=0; $i<@fieldnames; $i++) { + my ($prefix) = split(/_/,$fieldnames[$i]); + if ($included{$prefix}) { + push(@checked,$i); + } else { + push(@unchecked,$i); + } + } + } else { + @checked = (0,1); + for (my $i=2; $i<@fieldnames; $i++) { + if ($syllabus->{$fieldnames[$i]}) { + push(@checked,$i); + } else { + push(@unchecked,$i); + } + } + } + my $fieldstr = "var fields = new Array('".join("','",@fieldnames)."');"; + my $checkedstr = "var include = new Array('".join("','",@checked)."');"; + my $uncheckedstr = "var exclude = new Array('".join("','",@unchecked)."');"; + my $invurl = &mt('Invalid URL'); + &js_escape(\$invurl); + my $urlregexp = <<'ENDREGEXP'; +/^([a-z]([a-z]|\d|\+|-|\.)*):(\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?((\[(|(v[\da-f]{1,}\.(([a-z]|\d|-|\.|_|~)|[!\$&'\(\)\*\+,;=]|:)+))\])|((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=])*)(:\d*)?)(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*|(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)){0})(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i +ENDREGEXP + + $js .= <<"ENDSCRIPT"; + + + +ENDSCRIPT + } + my $args = {'function' => undef, + 'domain' => $cdom}; + my $forcereg; + if ($env{'form.register'}) { + $forcereg = 1; + $args->{'force_register'} = $forcereg; + } + if ($env{'form.backto'} eq 'coursecatalog') { + &Apache::lonhtmlcommon::clear_breadcrumbs(); + my $brcrum = [{href=>"javascript:ToCatalog();", + text=>&mt('Course/Community Catalog'), + no_mt=>1} + ]; + if ($env{'form.coursenum'} ne '') { + push(@{$brcrum}, + {href=>"javascript:ToCatalog('details')", + text=>"Course details"}); + } + push(@{$brcrum}, + {href=>$r->uri, + text=>"Course syllabus"}); + $args->{'bread_crumbs'} = $brcrum; + } else { + &get_breadcrumbs($cdom,$cnum,$crstype,$args); + } + if ($allowed) { + my %loaditem = ( + onload => 'setTemplateBoxes();', + ); + $args->{'add_entries'} = \%loaditem; + } else { + if ($env{'request.use_absolute'}) { + $args->{'use_absolute'} = $env{'request.use_absolute'}; + } + } + if ($env{'form.only_body'}) { + $args->{'only_body'} = 1; + } + $args->{'hostname'} = $r->hostname(); + my $start_page = + &Apache::loncommon::start_page("Syllabus", $rss_link.$js,$args); + if ($start_page) { + $r->print($start_page); + } +} + +sub get_breadcrumbs{ + my ($cdom,$cnum,$crstype,$args) = @_; + return unless (ref($args) eq 'HASH'); + if ($env{'form.folderpath'} =~ /^supplemental/) { + &Apache::loncommon::validate_folderpath(1,'',$cnum,$cdom); + my $title = $env{'form.title'}; + if ($title eq '') { + $title = &mt('Syllabus'); + } + my $brcrum = + &Apache::lonhtmlcommon::docs_breadcrumbs(undef,$crstype,undef,$title,1); + if (ref($brcrum) eq 'ARRAY') { + $args->{'bread_crumbs'} = $brcrum; + $args->{'bread_crumbs_nomenu'} = 1; + } + } else { + if ((&Apache::lonnet::is_on_map("public/$cdom/$cnum/syllabus")) + && (($env{'form.symb'}) || ($env{'form.register'}))) { + &Apache::lonhtmlcommon::clear_breadcrumbs(); + } else { + $args->{'bread_crumbs'} = [ + {'href' => "/public/$cdom/$cnum/syllabus", + 'text' => 'Syllabus'}, + ]; + } + } + return; +} + +sub chooser { + my ($r,$external,$uploaded,$minimal,$cdom,$cnum,$lonhost,$fields,$values) = @_; + my %lt = &Apache::lonlocal::texthash( + 'type' => 'Syllabus Type', + 'url' => 'External URL', + 'file' => 'Uploaded file', + 'minimal' => 'Minimal template', + 'template' => 'Standard template', + 'templateboxes' => 'Choose template items ... ', + 'curr' => 'Current:', + 'rep' => 'Replace:', + 'upl' => 'Upload:', + 'pr' => 'Preview', + 'save' => 'Save', + 'sved' => 'Save and Edit', + 'chourl' => 'External URL', + 'chofile' => 'Uploaded syllabus file', + 'parse' => 'Upload embedded images/multimedia files if HTML file', + ); + my %checked = ( + file => '', + minimal => '', + url => '', + template => '', + ); + my %display = ( + file => 'none', + minimal => 'none', + url => 'none', + templatebox => 'none', + ); + my $check = ' checked="checked" '; + if ($uploaded) { + $checked{'file'} = $check; + $display{'file'} = 'block'; + } elsif ($external) { + $checked{'url'} = $check; + $display{'url'} = 'block'; + } elsif ($minimal) { + $checked{'minimal'} = $check; + $display{'minimal'} = 'block'; + } else { + $checked{'template'} = $check; + $checked{'templatebox'} = $check; + $display{'templatebox'} = 'block'; + } + my $protocol = ($ENV{'SERVER_PORT'} == 443?'https':'http'); + + my $output = + ''."\n". + ''."\n". + '
'.$lt{'type'}.''; + foreach my $item ('minimal','template','url','file') { + $output .= '
'; + } + my $urllabeltext = &HTML::Entities::encode(&mt('Enter URL'),'"&<>'); + $output .= '
'."\n". + '
'."\n". + '
'.$lt{'chourl'}.''."\n". + ''.$lt{'pr'}.' '."\n". + ''."\n". + ' '."\n". + '
'."\n". + '
'."\n". + '
'.$lt{'minimal'}.''; + if ($minimal) { + my ($absurl,$filename,$depbutton) = &syllabus_file_info($r,$minimal,$cnum,$cdom,$lonhost,'minimal'); + $output .= ''.$lt{'pr'}.''. + ''. + $depbutton; + } else { + $output .= ''."\n". + ' '."\n"; + } + $output .= '
'."\n". + '
'."\n". + '
'.$lt{'file'}.''; + if ($uploaded) { + my ($absurl,$filename,$depbutton) = &syllabus_file_info($r,$uploaded,$cnum,$cdom,$lonhost,'file'); + $output .= ''.$lt{'curr'}.' '. + ''. + ''.$filename.''.$depbutton. + '

'.$lt{'rep'}; + } else { + $output .= $lt{'upl'}; + } + my $labeltext = &HTML::Entities::encode(&mt('Choose syllabus file'),'"&<>'); + $output .= '
'."\n". + ''. + ''."\n". + ' '. + '
'. + ''. + '
'. + '
'.$lt{'templateboxes'}. + ' '. + (' 'x2). + ''. + ''. + &fields_check_uncheck($fields,$values). + '

'. + ''. + '
'; + $output .= '
'; + return $output; +} + +sub syllabus_file_info { + my ($r,$item,$cnum,$cdom,$lonhost,$context) = @_; + my $hostname = &Apache::lonnet::hostname($lonhost); + my $protocol = $Apache::lonnet::protocol{$lonhost}; + $protocol = 'http' if ($protocol ne 'https'); + my $alias = &Apache::lonnet::use_proxy_alias($r,$lonhost); + $hostname = $alias if ($alias ne ''); + my $absurl = $protocol.'://'.$hostname.$item; + my ($filename) = ($item =~ m{([^/]+)$}); + my $file=&Apache::lonnet::filelocation("",$item); + my ($depbutton,$filetype,$editable); + if ($file =~ /\.(xhtml|xml|tex|html|htm)$/) { + $filetype=$1; + } + if ($filetype) { + unless ($filetype eq 'tex') { + $filetype='html'; + } + } + if ($filetype eq 'html') { + my $filecontents=&Apache::lonnet::getfile($file); + unless ($filecontents eq -1) { + my $mm = new File::MMagic; + my $mimetype = $mm->checktype_contents($filecontents); + if ($mimetype eq 'text/html') { + my (%codebase,%allfiles); + my $parse_result = &Apache::lonnet::extract_embedded_items($item,\%allfiles, + \%codebase,\$filecontents); + my $actionurl = "/public/$cdom/$cnum/syllabus"; + my ($ignore,$num,$numpathchanges,$existing,$mapping) = + &Apache::loncommon::ask_for_embedded_content($actionurl,undef,\%allfiles, + \%codebase, + {'context' => 'rewrites', + 'ignore_remote_references' => 1,}); + $editable = 1; + } + } + } + $depbutton = (' ' x 3). + &editfile_button($item,$context,$editable). + &editbutton_js(); + return ($absurl,$filename,$depbutton); +} + +sub fields_check_uncheck { + my ($fields,$values) = @_; + return unless ((ref($fields) eq 'HASH') && (ref($values) eq 'HASH')); + my $numinrow = 4; + my $table; + my @fieldnames = sort(keys(%{$fields})); + unshift(@fieldnames,'000_showpeople','111_showrssfeeds'); + my $numfields = scalar(@fieldnames); + my %included; + if (($values->{'uploaded.fields'}) && ($values->{'uploaded.fields'} ne 'none')) { + map { $included{$_} = 1; } split(/,/,$values->{'uploaded.fields'}); + } + for (my $i=0; $i<$numfields; $i++) { + my ($name,$checked); + if ($fieldnames[$i] eq '000_showpeople') { + $name = &mt('Personnel'); + } elsif ($fieldnames[$i] eq '111_showrssfeeds') { + $name = &mt('RSS Feeds and Blogs'); + } else { + $name = $fields->{$fieldnames[$i]}; + } + if ($values->{'uploaded.fields'}) { + unless ($values->{'uploaded.fields'} eq 'none') { + my ($prefix) = split(/_/,$fieldnames[$i]); + if ($included{$prefix}) { + $checked = ' checked="checked"'; + } + } + } else { + if ($fieldnames[$i] eq '000_showpeople') { + $checked = ' checked="checked"'; + } elsif ($fieldnames[$i] eq '111_showrssfeeds') { + $checked = ' checked="checked"'; + } else { + if ($values->{$fieldnames[$i]} ne '') { + $checked = ' checked="checked"'; + } + } + } + my $rem = $i%($numinrow); + if ($rem == 0) { + if (($i > 0) && ($i < $numfields)) { + $table .= ''; + } + if ($i < $numfields) { + $table .= ''; + } + } + if ($i == $numfields-1) { + my $rem = $numfields%($numinrow); + my $colsleft = $numinrow - $rem; + if ($colsleft > 1) { + $table .= ''; + } + } else { + $table .= ''."\n"; + } + if ($table ne '') { + my $rem = $numfields%($numinrow); + my $colsleft = $numinrow - $rem; + if ($colsleft > 1 ) { + $table .= ''; + } elsif ($colsleft == 1) { + $table .= ''; + } + $table = '
'; + } else { + $table .= ''; + } + $table .= + '  
'.$table.'
'; + } + return $table; +} + +sub get_personnel { + my ($r,$target,$cdom,$cnum,$allowed,$crstype,$syllabus) = @_; + my (%hiddenroles,%hiddenusers); + if (ref($syllabus) eq 'HASH') { + if (ref($syllabus->{'personnel'}) eq 'HASH') { + if ($syllabus->{'personnel'}{'hiderole'}) { + map { $hiddenroles{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hiderole'}); + } + if ($syllabus->{'personnel'}{'hideuser'}) { + map { $hiddenusers{$_} = 1; } split(/,/,$syllabus->{'personnel'}{'hideuser'}); + } + } + } + my $output; + my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1); + if ($target ne 'tex') { + if ($allowed) { + $r->print(&Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ''.&mt('Role (hidden if checked)').''. + ''.&mt('Personnel (hidden if checked)').''. + &Apache::loncommon::end_data_table_header_row()); + } else { + $r->print(&Apache::lonhtmlcommon::start_pick_box()); + } + } else { + $r->print('\begin{tabular}{|p{0.45\textwidth}|p{0.45\textwidth}|}\hline'); + } + my @personnel=sort(keys(%coursepersonnel)); + my $lastpers=$personnel[$#personnel]; + foreach my $element (@personnel) { + unless ($allowed) { + next if ($hiddenroles{$element}) + } + my ($role,$sec); + if ($element =~ /:/) { + ($role,$sec) = split(/:/,$element); + } else { + $role = $element; + } + my $roletext = &Apache::lonnet::plaintext($role,$crstype); + if ($sec) { + $roletext .=' ('.&Apache::lonlocal::mt('Section [_1]',$sec).')'; + } + if ($target ne 'tex') { + if ($allowed) { + my $checked; + if ($hiddenroles{$element}) { + $checked = ' checked="checked"'; + } + $r->print(&Apache::loncommon::start_data_table_row(). + ''); + } else { + $r->print(&Apache::lonhtmlcommon::row_title($roletext)); + } + } else { + $r->print(' '.&Apache::lonxml::xmlparse($r,'tex',$roletext).' & '); + } + my @coursepersonlist; + foreach my $user (split(/\,/,$coursepersonnel{$element})) { + my ($puname,$pudom)=split(/\:/,$user); + if ($target ne 'tex') { + my $courseperson = &Apache::loncommon::plainname($puname,$pudom); + my $checked; + if ($hiddenusers{$element.'&'.$puname.':'.$pudom}) { + $checked = ' checked="checked"'; + } + if ($allowed) { + my $item = ''.(' 'x2).' '; + push(@coursepersonlist,$item); + + } else { + next if ($hiddenusers{$element.'&'.$puname.':'.$pudom}); + if (($env{'user.name'} eq '') || ($env{'user.name'} eq 'public') || + ($env{'user.domain'} eq '') || ($env{'user.domain'} eq 'public')) { + push(@coursepersonlist,$courseperson); + } else { + push(@coursepersonlist,&Apache::loncommon::aboutmewrapper($courseperson, + $puname,$pudom)); + } + } + } else { + push(@coursepersonlist,&Apache::loncommon::plainname($puname, $pudom).' '); - } - } - if ($target ne 'tex') { - $r->print(''); - } else { - $r->print('\\\\ \hline'); - } + } + } + if ($allowed) { + $r->print(join('',@coursepersonlist)); + } else { + $r->print(join(', ',@coursepersonlist)); + } + if ($target ne 'tex') { + if ($allowed) { + $r->print(''.&Apache::loncommon::end_data_table_row()); + } else { + my $lastclose=$element eq $lastpers?1:0; + $r->print(&Apache::lonhtmlcommon::row_closure($lastclose)); + } + } else { + $r->print('\\\\ \hline'); + } } if ($target ne 'tex') { - $r->print(''); + if ($allowed) { + $r->print(&Apache::loncommon::end_data_table()); + } else { + $r->print(&Apache::lonhtmlcommon::end_pick_box()); + } } else { - $r->print('\end{tabular}\\\\'); + $r->print('\end{tabular}\\\\'); } -# ---------------------------------------------------------- Load syllabus info - my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum); - my $allowed=0; - my $privileged=0; + return; +} -# This handler might be called anonymously ... -# ----------------------------------------------------- Only if not public call - if ($env{'user.environment'}) { -# does this user have privileges to post, etc? - if ($env{'request.course.id'}) { - $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'}); - $privileged=$allowed; - if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) { - $forcestudent='student'; - } - if ($forcestudent or $target eq 'tex') { $allowed=0; } - } - if ($allowed) { - $r->print('

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

'.&mt('This syllabus can be publicly viewed at') - .' http://'. - $Apache::lonnet::hostname{$homeserver}.$r->uri.''. - &Apache::loncommon::help_open_topic('Syllabus_ExtLink').'

'. - '

'. -&mt('Show Public View').''. - &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView'). - '

'); - } elsif ($privileged) { - if ($target ne 'tex') { - $r->print('

'. - &mt('Edit').''); - } - } - if (($allowed) && ($env{'form.storesyl'})) { - foreach (keys %syllabusfields) { - my $field=$env{'form.'.$_}; - chomp($field); - $field=~s/\s+$//s; - $field=~s/^\s+//s; - $field=~s/\$//s; - $field=&Apache::lonfeedback::clear_out_html($field,1); - $syllabus{$_}=$field; - if ($_ eq 'lll_includeurl') { # clean up included URLs - my $field=''; - foreach (split(/\n/,$syllabus{$_})) { - my $url=$_; +sub save_changes { + my ($cnum,$cdom,$uploaded,$external,$minimal,$syllabus,$syllabusfields,$courseenv) = @_; + my ($earlyout,$output); + unless ((ref($syllabus) eq 'HASH') && (ref($syllabusfields) eq 'HASH') || + (ref($courseenv) eq 'HASH')) { + return ($earlyout,$uploaded,$external,$minimal,$output); + } + my ($was_ext,$is_ext,$putres); + if ($external) { + $was_ext = $external; + } + if (($env{'form.deleteuploaded_file'}) || ($env{'form.deleteuploaded_minimal'})) { + my %storehash; + if (($env{'form.choice'} eq 'file') && + ($env{'form.deleteuploaded_file'}) && ($uploaded =~ /\w/)) { + if ($courseenv->{'uploadedsyllabus'} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) { + my $filename = $1; + &update_access_permissions($cdom,$cnum,$filename); + } + &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.uploadedsyllabus'); + &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus'); + $storehash{'uploadedsyllabus'} = ''; + $storehash{'externalsyllabus'} = ''; + $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum); + undef($uploaded); + undef($external); + } elsif (($env{'form.choice'} eq 'minimal') && + ($env{'form.deleteuploaded_minimal'}) && ($minimal =~ /\w/)) { + my $minimalurl = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html"; + if ($courseenv->{'minimalsyllabus'} eq "$minimalurl") { + my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$minimalurl)); + unless ($filecontents eq -1) { + $env{'form.output'} = $filecontents; + &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output', + 'portfolio/syllabus/loncapa.html.bak'); + $minimalurl = &default_minimal_syllabus($cnum,$cdom); + } + } + &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html'); + &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.externalsyllabus'); + &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.minimalsyllabus'); + $storehash{'externalsyllabus'} = ''; + $storehash{'minimalsyllabus'} = ''; + $putres = &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum); + undef($external); + undef($minimal); + } + } elsif ($env{'form.choice'} eq 'template') { +#store what the user typed in to the template + my @shown = &Apache::loncommon::get_env_multiple('form.showfield'); + $syllabus->{'uploaded.fields'} = ''; + if (@shown == 0) { + $syllabus->{'uploaded.fields'} = 'none'; + } else { + foreach my $field (sort(@shown)) { + if (($field eq '000_showpeople') || + ($field eq '111_showrssfeeds') || + ($syllabusfields->{$field})) { + my ($prefix) = split(/_/,$field); + $syllabus->{'uploaded.fields'} .= $prefix.','; + } + if ($field eq '000_showpeople') { + my @hideusers = &Apache::loncommon::get_env_multiple('form.hideuser'); + my @hideroles = &Apache::loncommon::get_env_multiple('form.hiderole'); + my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum,1); + my %personnel; + foreach my $key (keys(%coursepersonnel)) { + map { $personnel{$key}{$_} = 1; } split(/,/,$coursepersonnel{$key}); + } + %{$syllabus->{'personnel'}} = (); + $syllabus->{'personnel'}{'hideuser'} = ''; + $syllabus->{'personnel'}{'hiderole'} = ''; + foreach my $role (@hideroles) { + if (exists($personnel{$role})) { + $syllabus->{'personnel'}{'hiderole'} .= $role.','; + } + } + foreach my $item (@hideusers) { + my ($role,$user) = split(/\&/,$item); + if (ref($personnel{$role}) eq 'HASH') { + if ($personnel{$role}{$user}) { + $syllabus->{'personnel'}{'hideuser'} .= $item.','; + } + } + } + $syllabus->{'personnel'}{'hideuser'} =~ s/,$//; + $syllabus->{'personnel'}{'hiderole'} =~ s/,$//; + } + } + $syllabus->{'uploaded.fields'} =~ s/,$//; + } + foreach my $syl_field (keys(%{$syllabusfields})) { + my $field=$env{'form.'.$syl_field}; + chomp($field); + my $gateway = Apache::lonhtmlgateway->new(); + $field = $gateway->process_incoming_html($field,1); + #here it will be stored + $syllabus->{$syl_field}=$field; + if ($syl_field eq 'lll_includeurl') { # clean up included URLs + my $field=''; + foreach my $value (split(/\n/,$syllabus->{$syl_field})) { + my $url=$value; # get rid of leading and trailing spaces - $url=~s/^\s+//; - $url=~s/\s+$//; - if ($url=~/^http\:\/\/([^\/]+)\/(.+)$/) { - my $remainder=$2; + $url=~s/^\s+//; + $url=~s/\s+$//; + if ($url=~m|^https?\://([^/]+)/(.+)$|) { + my $host = $1; + my $remainder=$2; # remove the hostname from internal URLs - foreach (keys %Apache::lonnet::hostname) { - if ($1=~/$Apache::lonnet::hostname{$_}/i) { - $url=$remainder; - } - } - } + my $hostname = &Apache::lonnet::hostname($host); + my %all_hostnames = &Apache::lonnet::all_hostnames(); + foreach my $possible_host (keys(%all_hostnames)) { + if ($possible_host =~ /\Q$hostname\E/i) { + $url=$remainder; + } + } + } # norm internal URLs - unless ($url=~/^http\:/) { - $url=&Apache::lonnet::clutter($url); - } + unless ($url=~/^https?\:/) { + $url=&Apache::lonnet::clutter($url); + } # re-assemble field - if ($url) { - $field.=$url."\n"; - } - } - $syllabus{$_}=$field; - } - } - $syllabus{'uploaded.domain'}=$env{'user.domain'}; - $syllabus{'uploaded.name'}=$env{'user.name'}; - $syllabus{'uploaded.lastmodified'}=time; - &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum); - } + if ($url) { + $field.=$url."\n"; + } + } + $syllabus->{$syl_field}=$field; + } + } + my $now = time; + $syllabus->{'uploaded.domain'}=$env{'user.domain'}; + $syllabus->{'uploaded.name'}=$env{'user.name'}; + $syllabus->{'uploaded.lastmodified'} = $now; + $putres = &Apache::lonnet::put('syllabus',$syllabus,$cdom,$cnum); + if ($putres eq 'ok') { + ($uploaded,$minimal,$external) = + &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded, + $minimal,$external); + $output = '

'. + &Apache::lonhtmlcommon::confirm_success(&mt('Template saved.')). + '
'; + } else { + $output = '
'. + &mt('An error occurred storing the template: [_1]',$putres). + '
'; + } + } elsif ($env{'form.choice'} eq 'url') { + if ($env{'form.externalsyllabus'} =~ m{^https?://}) { + if ($env{'form.externalsyllabus'} eq $external) { + $output = '
'. + &mt('External URL unchanged.'). + '
'; + ($uploaded,$minimal,$external) = + &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded, + $minimal,$external); + } else { + $external=$env{'form.externalsyllabus'}; + $external =~ s/(`)//g; + $putres = + &Apache::lonnet::put('environment',{externalsyllabus=>$external}, + $cdom,$cnum); + if ($putres eq 'ok') { + &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.externalsyllabus' => $external}); + $output = '
'. + &Apache::lonhtmlcommon::confirm_success(&mt('External URL saved.')). + '
'; + ($uploaded,$minimal,$external) = + &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded, + $minimal,$external); + } else { + $output = '
'. + &mt('An error occurred storing the external URL: [_1]',$putres). + '
'; + } + } + $is_ext = $external; + } else { + $output = '
'. + &mt('External URL not saved -- invalid URL.'). + '
'; + } + } elsif (($env{'form.choice'} eq 'file') || ($env{'form.choice'} eq 'minimal')) { + # Process file upload - phase one - upload and parse primary file. + my ($upload_result,$uploadphase,$url,$needlink,$error,$errormsg); + if ($env{'form.choice'} eq 'file') { + if ($env{'form.syllabusfile.filename'}) { + my %allfiles = (); + my %codebase = (); + ($url,$needlink) = &process_upload(\$output,$cnum,$cdom, + \%allfiles,\%codebase); + } else { + $output = '
'. + &mt('No file uploaded'). + '
'; + } + } elsif ($env{'form.choice'} eq 'minimal') { + $url = "/uploaded/$cdom/$cnum/portfolio/syllabus/loncapa.html"; + my $filecontents=&Apache::lonnet::getfile(&Apache::lonnet::filelocation("",$url)); + if ($filecontents eq -1) { + $url = &default_minimal_syllabus($cnum,$cdom); + } + } + if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/[^/]+$}) { + my $exturl = &home_http_host($cdom,$cnum); + if ($exturl) { + $exturl .= $url; + } + my %storehash; + if ($env{'form.choice'} eq 'minimal') { + $storehash{'minimalsyllabus'} = $url; + } else { + $storehash{'uploadedsyllabus'} = $url; + } + if ($exturl) { + $storehash{'externalsyllabus'} = $exturl; + if ($exturl =~ /\.(html?|txt|js|css)$/) { + $exturl .= '?inhibitmenu=yes'; + } + } else { + $storehash{'externalsyllabus'} = '', + } + $putres = + &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum); + if ($putres eq 'ok') { + &Apache::lonnet::make_public_indefinitely($url); + foreach my $key (keys(%storehash)) { + &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash{$key}}); + } + if ($env{'form.choice'} eq 'minimal') { + $minimal = $url; + } else { + $uploaded = $url; + } + if ($needlink) { + $output .= &return_to_editor($cdom,$cnum); + $earlyout = 1; + } + ($uploaded,$minimal,$external) = + &update_syllabus_env($cdom,$cnum,$courseenv,$env{'form.choice'},$uploaded, + $minimal,$external); + } else { + $error = 1; + $errormsg = $putres; + } + } else { + $error = 1; + } + if ($error) { + $output = '
'; + if ($env{'form.choice'} eq 'minimal') { + $output = &mt('An error occurred creating the minimal template file [_1]',$errormsg); + } else { + $output = &mt('An error occurred storing the uploaded file [_1]',$errormsg); + } + $output .= '
'; + } + } elsif ($env{'form.phase'} eq 'upload_embedded') { + # Process file upload - phase two - upload embedded objects + my $uploadphase = 'check_embedded'; + my $primaryurl = &HTML::Entities::encode($env{'form.primaryurl'},'<>&"'); + my $state = &embedded_form_elems($uploadphase,$primaryurl); + my $url_root = '/uploaded/'.$cdom.'/'.$cnum; + my $actionurl = "/public/$cdom/$cnum/syllabus"; + my ($result,$flag,$numpathchgs) = + &Apache::loncommon::upload_embedded('syllabus','portfolio/syllabus', + $cnum,$cdom,'/userfiles',$url_root,undef,undef,undef,$state, + $actionurl); + unless ($numpathchgs) { + my $modres = + &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus', + $cnum,$cdom, + '/userfiles',$env{'form.primaryurl'}); + $result .= $modres; + } + $output = $result.&return_to_editor($cdom,$cnum); + $earlyout = 1; + } elsif ($env{'form.phase'} eq 'check_embedded') { + # Process file upload - phase three - modify references in HTML file + my $uploadphase = 'modified_orightml'; + my $result = + &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus', + $cnum,$cdom, + '/userfiles',$env{'form.primaryurl'}); + $output = $result.&return_to_editor($cdom,$cnum); + $earlyout = 1; } -# ---------------------------------------------------------------- Get syllabus - if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) { - my $lastmod=$syllabus{'uploaded.lastmodified'}; - $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never')); - my $who = &Apache::loncommon::aboutmewrapper( - &Apache::loncommon::plainname($syllabus{'uploaded.name'}, - $syllabus{'uploaded.domain'}),$syllabus{'uploaded.name'}, - $syllabus{'uploaded.domain'}); - if ($target ne 'tex') { - $r->print('
'.&mt('Last updated').':'. - $lastmod.''.&mt('by').' '.$who. - '

'); - } else { - $r->print('\\\\ '.&mt('Last updated').': '.$lastmod.' '.&mt('by').'\\\\ '. - &Apache::loncommon::plainname($syllabus{'uploaded.name'}, - $syllabus{'uploaded.domain'}).'\\\\'); - } - if ($allowed) { - $r->print(''. - ''); - } - my @htmlids=(); - foreach (sort keys %syllabusfields) { - if (($syllabus{$_}=~/\w/) || ($allowed)) { - my $message=$syllabus{$_}; - if ($_ eq 'lll_includeurl') { # this is the "included" field - my $urls=$message; - $message=''; - foreach my $filelink (split(/\n/,$urls)) { - my $output=''; -# embed style? - my ($curfext)=($filelink=~/\.([^\.]+)$/); - my $embstyle=&Apache::loncommon::fileembstyle($curfext); - if (($embstyle eq 'ssi') || ($curfext=~/\/$/)) { -# make ssi call and remove everything but the body contents - $output=&Apache::lonnet::ssi_body($filelink); - } elsif ($embstyle eq 'img') { -# embed as an image - $output=''; - } - if ($target ne 'tex') { - $message.='

'.$output.'

'; - } else { - $message.=' '.&Apache::lonxml::xmlparse($r,'tex','

'.$output.'

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

'.$syllabusfields{$_}. - &Apache::loncommon::help_open_topic('Syllabus_URLs').'

'. - '

'.&mt('Show Public View').''. - &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'

'); - } else { - $r->print($message); - } - } else { - &Apache::lonfeedback::newline_to_br(\$message); - $message - =~s/(https*\:\/\/[^\s]+)/\\$1\<\/tt\>\<\/a\>/g; - if ($allowed) { - $message=&Apache::lonspeller::markeduptext($message); - } - $message=&Apache::lontexconvert::msgtexconverted($message); - if ($target ne 'tex') { - $r->print('

'.$syllabusfields{$_}.'

'. - $message.'
'); - } else { - $r->print('\\\\\textbf{'.$syllabusfields{$_}.'}\\\\'. - &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\'); - } - push @htmlids,$_; - } - if ($allowed) { - $r->print( - '
'); - } - } - } - if ($allowed) { - $r->print(''. - &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids)); - } - if ($target ne 'tex') {$r->print('

');} else {$r->print('\\\\');} - } else { - if ($target ne 'tex') {$r->print('

');} else {$r->print('\par ');} - $r->print('No syllabus information provided.'); - if ($target ne 'tex') {$r->print('

');} + if ($putres eq 'ok') { + if ((($is_ext) && ($is_ext ne $was_ext)) || ($was_ext)) { + my $chome = &Apache::lonnet::homeserver($cnum,$cdom); + unless ($chome eq 'no_host') { + my %crsinfo = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.'); + if (ref($crsinfo{$cdom.'_'.$cnum}) eq 'HASH') { + if ($external =~ m{^http://}) { + $crsinfo{$cdom.'_'.$cnum}{'extsyllplain'} = 1; + } elsif ($crsinfo{$cdom.'_'.$cnum}{'extsyllplain'}) { + delete($crsinfo{$cdom.'_'.$cnum}{'extsyllplain'}); + } + &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime'); + } + } + } } - if ($target ne 'tex') {$r->print('');} else {$r->print('\end{document}');} - return OK; -} + return ($earlyout,$uploaded,$external,$minimal,$output); +} + +sub default_minimal_syllabus { + my ($cnum,$cdom) = @_; + my $title; + if ($env{'form.syllabustitle'}) { + $title = $env{'form.syllabustitle'}; + $title =~ s{`}{}g; + $title=~s/^\s+//; + $title=~s/\s+$//; + } + if ($title eq '') { + $title = &mt('Syllabus'); + } + my $initialtext = &mt('Replace with your own content.'); + my $newhtml = < + +$title + + +

$title

+$initialtext + + +END + $env{'form.output'}=$newhtml; + return &Apache::lonnet::finishuserfileupload($cnum,$cdom,'output', + 'portfolio/syllabus/loncapa.html'); +} + +sub update_syllabus_env { + my ($cdom,$cnum,$courseenv,$saved,$uploaded,$minimal,$external) = @_; + return ($uploaded,$minimal,$external) unless(ref($courseenv) eq 'HASH'); + my $now = time; + my (@envkeys,%storehash); + if ($saved eq 'template') { + if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) { + push(@envkeys,'uploaded'); + } + if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) { + push(@envkeys,'minimal'); + } + if ($external || $env{'course.'.$env{'request.course.id'}.'.externalsyllabus'}) { + push(@envkeys,'external'); + } + $storehash{'updatedsyllabus'} = $now; + &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.updatedsyllabus' => $now +}); + } elsif ($saved eq 'url') { + my $prefix = &home_http_host($cdom,$cnum); + if ($external =~ m{^\Q$prefix/uploaded/$cdom/$cnum/portfolio/syllabus/\E(.+)$}) { + my $file = $1; + if ($file eq 'loncapa.html') { + if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) { + push(@envkeys,'uploaded'); + } + } elsif ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) { + push(@envkeys,'minimal'); + } + } else { + if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) { + push(@envkeys,'uploaded'); + } + if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) { + push(@envkeys,'minimal'); + } + } + } elsif ($saved eq 'file') { + if ($minimal || $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'}) { + push(@envkeys,'minimal'); + } + } elsif ($saved eq 'minimal') { + if ($uploaded || $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'}) { + push(@envkeys,'uploaded'); + } + } + if (@envkeys > 0) { + foreach my $item (@envkeys) { + my $key = $item.'syllabus'; + if ($courseenv->{$key} ne '') { + &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key); + if ($item eq 'minimal') { + &update_access_permissions($cdom,$cnum,'/syllabus/loncapa.html'); + } elsif ($item eq 'uploaded') { + if ($courseenv->{$key} =~ m{^\Q/uploaded/$cdom/$cnum/portfolio\E(/syllabus/.+)$}) { + my $filename = $1; + &update_access_permissions($cdom,$cnum,$filename); + } + } + $storehash{$key} = ''; + } elsif ($env{'course.'.$env{'request.course.id'}.'.'.$key} ne '') { + &Apache::lonnet::delenv('course.'.$env{'request.course.id'}.'.'.$key); + } + if ($item eq 'uploaded') { + undef($uploaded); + } + if ($item eq 'external') { + undef($external); + } + if ($item eq 'minimal') { + undef($minimal); + } + } + } + if (keys(%storehash) > 0) { + &Apache::lonnet::put('environment',\%storehash,$cdom,$cnum); + } + return ($uploaded,$minimal,$external); +} + +sub update_access_permissions { + my ($cdom,$cnum,$file_name) = @_; + my $current_permissions = &Apache::lonnet::get_portfile_permissions($cdom,$cnum); + my %access_controls = + &Apache::lonnet::get_access_controls($current_permissions,'',$file_name); + if (keys(%access_controls) > 0) { + my %changes; + foreach my $key (keys(%{$access_controls{$file_name}})) { + $changes{'delete'}{$key} = 1; + } + if (keys(%changes) > 0) { + my ($outcome,$deloutcome,$new_values,$translation) = + &Apache::lonnet::modify_access_controls($file_name,\%changes, + $cdom,$cnum); + } + } + return; +} + +sub home_http_host { + my ($cdom,$cnum) = @_; + my $home=&Apache::lonnet::homeserver($cnum,$cdom); + if ($home ne 'no_host') { + my $hostname = &Apache::lonnet::hostname($home); + my $protocol = $Apache::lonnet::protocol{$home}; + $protocol = 'http' if ($protocol ne 'https'); + return $protocol.'://'.$hostname; + } + return; +} + +sub process_upload { + my ($upload_output,$cnum,$cdom,$allfiles,$codebase) = @_; + my ($parseaction,$showupload,$mimetype); + my $dest = 'portfolio/syllabus'; + if ($env{'form.parserflag'}) { + $parseaction = 'parse'; + } + my $url=&Apache::lonnet::userfileupload('syllabusfile','syllabus',$dest, + $parseaction,$allfiles, + $codebase,undef,undef,undef,undef, + undef,undef,\$mimetype); + if ($url =~ m{^/uploaded/\Q$cdom\E/\Q$cnum\E.*/([^/]+)$}) { + my $stored = $1; + $showupload = '

'.&mt('Uploaded [_1]', + ''.$stored.''). + '

'; + } else { + my ($filename) = ($env{'form.syllabusfile.filename'} =~ m{([^/]+)$}); + $$upload_output = '
'. + &mt('Unable to save file [_1].', + ''.$filename.''). + '
'; + return (); + } + my $needlink; + if (($parseaction eq 'parse') && ($mimetype eq 'text/html')) { + $$upload_output = $showupload; + my $total_embedded = scalar(keys(%{$allfiles})); + if ($total_embedded > 0) { + my $uploadphase = 'upload_embedded'; + my $primaryurl = &HTML::Entities::encode($url,'<>&"'); + my $state = &embedded_form_elems($uploadphase,$primaryurl); + my $actionurl = "/public/$cdom/$cnum/syllabus"; + my ($embedded,$num,$numpathchanges,$existing); + ($embedded,$num,$numpathchanges,$existing) = + &Apache::loncommon::ask_for_embedded_content($actionurl,$state, + $allfiles,$codebase, + {'error_on_invalid_names' => 1, + 'ignore_remote_references' => 1,}); + if ($embedded) { + $needlink = 1; + if ($num) { + $$upload_output .= + '

'.&mt('This file contains embedded multimedia objects, which need to be uploaded.').'

'.$embedded; + } elsif ($numpathchanges) { + $$upload_output .= $embedded; + } else { + $$upload_output .= $embedded; + &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus', + $cnum,$cdom,'/userfiles',$url); + } + } else { + $$upload_output .= &mt('Embedded item(s) already present, so no additional upload(s) required').'
'; + &Apache::loncommon::modify_html_refs('syllabus','portfolio/syllabus', + $cnum,$cdom,'/userfiles',$url); + + } + } else { + $$upload_output .= &mt('No embedded items identified').'
'; + } + $$upload_output = '
'.$$upload_output.'
'; + } + return ($url,$needlink); +} + +sub embedded_form_elems { + my ($phase,$primaryurl) = @_; + return < + + + +STATE +} + +sub return_to_editor { + my ($cdom,$cnum) = @_; + my $actionurl = "/public/$cdom/$cnum/syllabus"; + return '

'. + ''."\n". + ''.&mt('Return to Editor'). + '

'; +} + +sub editfile_button { + my ($url,$context,$editable) = @_; + my $edittext=&mt('Edit'); + my $deltext=&mt('Delete'); + my $output; + if ($editable) { + $output = ' + +    '; + } + $output .= ' + + + '; + return $output; +} + +sub editbutton_js { + my %js_lt = &Apache::lonlocal::texthash( + min => 'Are you sure you want to delete the contents of the syllabus template?', + file => 'Are you sure you want to delete the uploaded syllabus file?', + noundo => 'This action cannot be reversed.' + ); + &js_escape(\%js_lt); + return < + // + +ENDJS +} + +sub redirect_to_http { + my ($r) = @_; + &Apache::loncommon::content_type($r,'text/html'); + &Apache::loncommon::no_cache($r); + $r->send_http_header; + my $url = 'http://'.$r->hostname().$r->uri().'?usehttp=1'; + $r->print(&Apache::loncommon::start_page(undef,undef, + {'redirect' => [0,$url],}). + &Apache::loncommon::end_page()); + return; +} 1; __END__