--- loncom/interface/lonsyllabus.pm 2010/02/15 16:05:32 1.106.2.2
+++ loncom/interface/lonsyllabus.pm 2011/06/16 10:00:57 1.111
@@ -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 1.111 2011/06/16 10:00:57 christianto Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -40,16 +40,6 @@ use Apache::lonlocal;
use Apache::lonhtmlcommon;
use Apache::lonspeller();
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 $r = shift;
@@ -62,7 +52,7 @@ sub handler {
my (undef,undef,$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'},['forcestudent','register','forceedit']);
# ----------------------------------------------------- Is this even a course?
my $homeserver=&Apache::lonnet::homeserver($cnum,$cdom);
if ($homeserver eq 'no_host') {
@@ -76,23 +66,20 @@ sub handler {
my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
# ------------------------------------------------------------ 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;
+ $r->print( Apache::lonwrapper::wrapper($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',
@@ -109,7 +96,6 @@ sub handler {
'jjj_weblinks' => 'Web Links',
'kkk_textbook' => 'Textbook',
'lll_includeurl' => 'URLs To Include in Syllabus');
-
# --------------------------------------------------------------- Force Student
my $forcestudent='';
if ($env{'form.forcestudent'}) { $forcestudent='student'; };
@@ -172,202 +158,70 @@ ENDSCRIPT
}
}
# ---------------------------------------------------------- Load syllabus info
- my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum); # load db
- my $allowed=0; # can we edit this page?
+ my %syllabus=&Apache::lonnet::dump('syllabus',$cdom,$cnum);
+ my $allowed=0;
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,$cnum);
- } else {
- %data = %syllabus;
-
- }
+# This handler might be called anonymously ...
# ----------------------------------------------------- Only if not public call
- if ($env{'user.environment'}) { # does this user have privileges to post, etc?
+ if ($env{'user.environment'}) {
+# does this user have privileges to post, etc?
if ($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)) {
+ if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
$forcestudent='student';
}
if ($forcestudent or $target eq 'tex') { $allowed=0; }
}
#store what the user typed in
- my @fields = @{thaw($data{'data.fields'})};
- if (($allowed) && ($env{'form.delete'})) {
- my $field = $env{'form.delete'};
- chomp($field);
- #allow only numbers, underscores
- $field=~s/[^0-9_]//g;
- #check if the field exists
- #do not delete if file in v2 conversion mode
- if (exists($data{'data.field.'.$field}) &&
- !exists($data{'properties.v2_converted'})) {
- $r->print("Field '$field' can be deleted.
");
- # linearly parse "data.fields" and remove it
- for (my $i = 0; $i < length(@fields); $i++) {
- if ($fields[$i] eq $field) {
- splice(@fields, $i, 1);
- $r->print("Removed entry $i from 'data.fields'
");
- }
- }
- # if "data.deleted" does not exist, create it
- my @deleted;
- if (!exists($data{'data.deleted_fields'})) {
- @deleted = [];
- } else {
- @deleted = @{thaw($data{'data.deleted_fields'})};
- }
- # only if deleted does not exist in 'data.deleted', push it
- my $push = 1;
- for (my $i = 0; $i < length(@deleted); $i++) {
- if ($deleted[$i] eq $field) {
- $push = 0;
- last;
- }
- }
- unless (!$push) {
- push(@deleted, $field);
- }
- $data{'data.fields'} = freeze(\@fields);
- $data{'data.deleted_fields'} = freeze(\@deleted);
-
- &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
- }
- }
- if (($allowed) && ($env{'form.rename'})) {
- my $field = $env{'form.rename'};
- my $new_title = "Hello, World!";
- chomp($field);
- $field=~s/[^0-9_]//g;
- #check if the field exists
- #do not delete if file in v2 conversion mode
- if (exists($data{'data.field.'.$field}) &&
- !exists($data{'properties.v2_converted'})) {
- #sanitize HTML content
- $r->print("Rename -- field found.
");
- my %db_entry = %{thaw($data{'data.field.'.$field})};
- $new_title = &Apache::lonfeedback::clear_out_html($new_title, 1);
- $db_entry{title} = $new_title;
- $data{'data.field.'.$field} = freeze(\%db_entry);
- &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
- }
- }
if (($allowed) && ($env{'form.storesyl'})) {
- foreach my $syl_field (@fields) {
+ foreach my $syl_field (keys(%syllabusfields)) {
my $field=$env{'form.'.$syl_field};
- my $type;
- my %field_hash;
- # only update a field if it already exists!
- if (exists($data{'data.field.'.$syl_field})) {
- $r->print("Creating/updated field ".$syl_field."
");
- %field_hash = exists($data{'data.field.'.$syl_field}) ?
- %{thaw($data{'data.field.'.$syl_field})} : ();
- $type = exists($field_hash{type}) ? $field_hash{type} : TYPE_TEXT_HTML;
- chomp($field);
- $field=~s/\s+$//s;
- $field=~s/^\s+//s;
- $field=~s/\
$//s;
- $field=&Apache::lonfeedback::clear_out_html($field,1);
- $field_hash{content}=$field;
- if ($type eq TYPE_URL_INCLUDE) { # clean up included URLs
- my $field='';
- foreach my $value (split(/\n/,$field_hash{content})) {
- my $url=$value;
- # get rid of leading and trailing spaces
- $url=~s/^\s+//;
- $url=~s/\s+$//;
- if ($url=~m|^https?\://([^/]+)/(.+)$|) {
- my $host = $1;
- my $remainder=$2;
- # remove the hostname from internal URLs
- 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=~/^https?\:/) {
- $url=&Apache::lonnet::clutter($url);
- }
- # re-assemble field
- if ($url) {
- $field.=$url."\n";
- }
- }
- $field_hash{content}=$field;
- $field_hash{type}=TYPE_URL_INCLUDE;
- }
- $data{'data.field.'.$syl_field} = freeze(\%field_hash);
- }
- }
- $data{'uploaded.domain'}=$env{'user.domain'};
- $data{'uploaded.name'}=$env{'user.name'};
- my $time = $^T;
- $data{'uploaded.lastmodified'}=$time;
- $data{'properties.last_modified'}=$time;
- delete $data{'properties.v2_converted'};
- delete $data{'properties.v2_conflict'};
- delete $data{'properties.v2_conflict_fail'};
- &Apache::lonnet::del('syllabus', ['properties.v2_converted',
- 'properties.v2_conflict', 'properties.v2_conflict_fail'], $cdom, $cnum);
-
- #2.x compatibility: write to old fields with new mapped fields
- my %old_new_map = %{thaw($data{'data.old_new_map'})};
- foreach my $old_field (keys(%old_new_map)) {
- $r->print("Looking for: ".$old_field." at ".$old_new_map{$old_field}."
");
- if (exists($data{'data.field.'.$old_new_map{$old_field}})) {
- $r->print("updating old field ".$old_field."
");
- my %new_field = %{thaw($data{'data.field.'.$old_new_map{$old_field}})};
- $data{$old_field} = $new_field{content};
- }
+ chomp($field);
+ $field=~s/\s+$//s;
+ $field=~s/^\s+//s;
+ $field=~s/\
$//s;
+ $field=&Apache::lonfeedback::clear_out_html($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 ($url=~m|^https?\://([^/]+)/(.+)$|) {
+ my $host = $1;
+ my $remainder=$2;
+# remove the hostname from internal URLs
+ 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=~/^https?\:/) {
+ $url=&Apache::lonnet::clutter($url);
+ }
+# re-assemble field
+ if ($url) {
+ $field.=$url."\n";
+ }
+ }
+ $syllabus{$syl_field}=$field;
+ }
}
-
- &Apache::lonnet::put('syllabus',\%data,$cdom,$cnum);
+ $syllabus{'uploaded.domain'}=$env{'user.domain'};
+ $syllabus{'uploaded.name'}=$env{'user.name'};
+ $syllabus{'uploaded.lastmodified'}=time;
+ &Apache::lonnet::put('syllabus',\%syllabus,$cdom,$cnum);
}
}
@@ -428,10 +282,20 @@ ENDSCRIPT
#----------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'});
+ my $who;
+ if (($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') {
$r->print('
');} else {$r->print('\par ');}
@@ -602,113 +453,5 @@ 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("