--- loncom/interface/lonsyllabus.pm 2010/02/15 16:05:32 1.106.2.2
+++ loncom/interface/lonsyllabus.pm 2024/01/25 22:23:32 1.155
@@ -1,7 +1,7 @@
# The LearningOnline Network
# Syllabus
#
-# $Id: lonsyllabus.pm,v 1.106.2.2 2010/02/15 16:05:32 faziophi Exp $
+# $Id: lonsyllabus.pm,v 1.155 2024/01/25 22:23:32 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -35,21 +35,13 @@ 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();
-use Digest::MD5 qw(md5_hex);
-use Storable qw(freeze thaw);
-
-# These are strings representing types of fields
-# that will used to parse/display a field correctly
-use constant {
- TYPE_TEXT_HTML => 'html', #<-- default
- TYPE_TEXT_PLAIN => 'text',
- TYPE_URL_INCLUDE => 'include-url',
-};
sub handler {
my $r = shift;
@@ -62,7 +54,8 @@ sub handler {
my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
# ------------------------------------------------------------ Get query string
&Apache::loncommon::get_unprocessed_cgi
- ($ENV{'QUERY_STRING'},['delete', 'rename', 'field', 'forcestudent','register','forceedit','forceflush','wrapperdisplay']);
+ ($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') {
@@ -71,28 +64,185 @@ sub handler {
&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);
+ 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
+
if ($target eq 'tex') {
$r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
}
-
-# -------------------------------------------------- Let's see who handles this
- my $externalsyllabus=$courseenv{'externalsyllabus'};
- if ($externalsyllabus=~/\w/) {
- if ($env{'form.wrapperdisplay'} eq 'menu') {
- $r->print(&Apache::lonwrapper::simple_menu());
- } else {
- $r->print(&Apache::lonwrapper::wrapper("/public/$cdom/$cnum/syllabus?wrapperdisplay=menu",
- $externalsyllabus));
- }
- return OK;
- }
-# --------------------------------------------------------- The old syllabus fields
+# ------------------------------ The buck stops here: internal syllabus display
+# --------------------------------------------------------- The syllabus fields
my %syllabusfields=&Apache::lonlocal::texthash(
'aaa_instructorinfo' => 'Instructor Information',
'bbb_description' => 'Course Description',
@@ -109,439 +259,242 @@ sub handler {
'jjj_weblinks' => 'Web Links',
'kkk_textbook' => 'Textbook',
'lll_includeurl' => 'URLs To Include in Syllabus');
-
-# --------------------------------------------------------------- Force Student
- my $forcestudent='';
- if ($env{'form.forcestudent'}) { $forcestudent='student'; };
- my $forceedit='';
- if ($env{'form.forceedit'}) { $forceedit='edit'; }
-
-# ----------------------------------------------------------------- Make header
- if ($target ne 'tex') {
- my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
- my $js;
- if ($env{'form.backto'} eq 'coursecatalog') {
- $js .= <<"ENDSCRIPT";
+# ---------------------------------------------------------- Load syllabus info
+ my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
+ my ($output,%displayfields,%noshow);
-
+ if ($target ne 'tex') {
+ &print_header($r,$cnum,$cdom,$crstype,$allowed,$forceedit,\%syllabus,
+ \%syllabusfields);
+ $r->print($output);
+ }
-ENDSCRIPT
- }
- my $start_page =
- &Apache::loncommon::start_page("Syllabus", $rss_link.$js,
- {'function' => undef,
- 'domain' => $cdom,
- 'force_register' =>
- $env{'form.register'},});
+# -------------------------------------------- Determine which fields are shown
- $r->print($start_page);
- if ($env{'form.backto'} eq 'coursecatalog') {
- &Apache::lonhtmlcommon::clear_breadcrumbs();
- &Apache::lonhtmlcommon::add_breadcrumb
- ({href=>"javascript:ToCatalog()",
- text=>"Course/Community Catalog"});
- if ($env{'form.coursenum'} ne '') {
- &Apache::lonhtmlcommon::add_breadcrumb
- ({href=>"javascript:ToCatalog('details')",
- text=>"Course details"});
- }
- &Apache::lonhtmlcommon::add_breadcrumb
- ({href=>$r->uri,
- text=>"Course syllabus"});
- $r->print(&Apache::lonhtmlcommon::breadcrumbs());
+ if ($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;
+ }
+ }
}
- }
-# ---------------------------------------------------------- Load syllabus info
- my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum); # load db
- my $allowed=0; # can we edit this page?
- my $privileged=0;
- my %data;
- if ($env{'form.forceflush'}) {
- delete $syllabus{'data.fields'};
- &Apache::lonnet::del('syllabus', ['data.fields'], $cdom, $cnum);
- delete $syllabus{'properties.v2_conflict'};
- &Apache::lonnet::del('syllabus', ['properties.v2_conflict'], $cdom, $cnum);
- delete $syllabus{'properties.v2_conflict_fail'};
- &Apache::lonnet::del('syllabus', ['properties.v2_conflict_fail'], $cdom, $cnum);
- delete $syllabus{'properties.last_modified'};
- &Apache::lonnet::del('syllabus', ['properties.last_modified'], $cdom, $cnum);
- delete $syllabus{'properties.v2_converted'};
- &Apache::lonnet::del('syllabus', ['properties.v2_converted'], $cdom, $cnum);
- delete $syllabus{'data.old_new_map'};
- &Apache::lonnet::del('syllabus', ['data.old_new_map'], $cdom, $cnum);
- delete $syllabus{'data.deleted_fields'};
- &Apache::lonnet::del('syllabus', ['data.deleted_fields'], $cdom, $cnum);
- %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum); # load db
- $r->print("Flushed syllabus DB file.
");
- $r->print("Syllabus conflict: ".$syllabus{'properties.v2_conflict'}."
");
- }
- $r->print("Existing fields: ".$syllabus{'data.fields'}."
");
- $r->print("Old-new map: ".$syllabus{'data.old_new_map'}."
");
- $r->print("Deleted fields: ".$syllabus{'data.deleted_fields'}."
");
- if (!exists($syllabus{'data.fields'})) {
- # convert existing 2.x data to new DB fields
- # which become new primary data source for document
- %data = %{convert_from_v2($r, \%syllabus, \%syllabusfields, 0)};
- $r->print("New fields order: ".$data{'data.fields'}."
");
- &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
- } elsif ( !exists($syllabus{'properties.v2_converted'}) &&
- exists($syllabus{'uploaded.lastmodified'}) &&
- exists($syllabus{'properties.last_modified'}) &&
- ($syllabus{'uploaded.lastmodified'} !=
- $syllabus{'properties.last_modified'})) {
- # if the document has been saved in 3.x and later edited in
- # 2.x, reconvert the existing document, with extra warning
- %data = %{convert_from_v2($r, \%syllabus, \%syllabusfields, 1)};
- delete $data{'properties.v2_converted'};
- &Apache::lonnet::del('syllabus', ['properties.v2_converted'], $cdom, $cnum);
- $data{'properties.v2_conflict'} = 1;
- &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
} else {
- %data = %syllabus;
-
+ foreach my $field (keys(%syllabusfields)) {
+ if ($syllabus{$field} ne '') {
+ $displayfields{$field} = ' style="display:block;"';
+ } else {
+ $displayfields{$field} = ' style="display:none;"';
+ }
+ }
}
-# ----------------------------------------------------- Only if not public call
- 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'});
- $privileged=$allowed;
- if (($data{'uploaded.lastmodified'}) && (!$forceedit)) {
- $forcestudent='student';
+ if ($allowed) {
+#---------------------------------- Print External URL Syllabus Info if editing
+ if ($target ne 'tex') {
+ my $link = &Apache::lonnet::url_prefix($r,$cdom,$homeserver,'web').
+ $r->uri;
+ $r->print('
' - .&mt('This syllabus can be publicly viewed at [_1]' - ,''.$protocol.'://'.&Apache::lonnet::hostname($homeserver).$r->uri.'') - .' '.&Apache::loncommon::help_open_topic('Syllabus_ExtLink') - .'
' - .'' - .&mt('Instead of using this template you can specify an external URL as Syllabus in the [_1]Course Configuration[_2].' - ,'','') - .'
' - ); - #-Print Help Text - $r->print(&Apache::loncommon::help_open_topic( - 'Uploaded_Templates_TextBoxes', - &mt('Help with filling in text boxes'))); - } - -#----------Print last update - 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('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'; - $r->print( ''.&mt('New RSS Feed or Blog').''); - &Apache::lontemplate::print_end_template($r); - } elsif (&Apache::lonrss::advertisefeeds($cnum,$cdom) ne '') { - &Apache::lontemplate::print_start_template($r,'RSS Feeds and Blogs','LC_Box'); - $r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit)); + $r->print( ''.$rsslinktext.''); &Apache::lontemplate::print_end_template($r); + } else { + unless ($hidefeeds) { + my $feeds = &Apache::lonrss::advertisefeeds($cnum,$cdom,$forceedit); + 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 { $r->print(&Apache::lonxml::xmlparse($r,'tex',$day)); } - # ---------------------------------------------------------------- Get syllabus if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) { - if ($allowed) { - $r->print(''. - &Apache::lonhtmlcommon::htmlareaselectactive(@htmlids)); + $r->print('');} else {$r->print('\par ');} + if ($target ne 'tex') {$r->print('
');} else {$r->print('\par ');} $r->print(&mt('No syllabus information provided.')); if ($target ne 'tex') {$r->print('
');} } @@ -602,112 +556,1200 @@ ENDSCRIPT return OK; } -sub print_template_new_fields { - my ($r, $data_ref, $target, $allowed, $default_rich_text, $custom_handlers_ref, $group) = @_; - my @html_ids = (); - my %data = %{$data_ref}; - my @fields = @{thaw($data{'data.fields'})}; - my %custom_handlers = %{$custom_handlers_ref}; - - foreach my $key (@fields) { - my %field = %{thaw($data{'data.field.'.$key})}; - my $title = $field{title}; - my $raw_message = $field{content}; - my $type = $field{type}; - my $message = $raw_message if (($raw_message=~/\w/) || ($allowed)); - if ((%custom_handlers) && exists($custom_handlers{$type})) { - #$custom_handlers{$type}->($r, $field, $json_ref, $group, $target, $allowed); - } else { - if (($raw_message=~/\w/) || ($allowed)) { - if (!&Apache::lonfeedback::contains_block_html($message)) { - &Apache::lonfeedback::newline_to_br(\$message); - } else { - $message = &Apache::lonfeedback::tidy_html($message); - } - $message=&Apache::lonhtmlcommon::raw_href_to_link($message); - if ($allowed) { - $message=&Apache::lonspeller::markeduptext($message); - } - $message=&Apache::lontexconvert::msgtexconverted($message); - if ($target ne 'tex') { - #output of syllabusfields will be generated here. - &Apache::lontemplate::print_start_template($r,$title,'LC_Box'); - $r->print($message); - if ($allowed) { - $r->print("