--- loncom/interface/lonmeta.pm 2005/12/19 21:56:07 1.147
+++ loncom/interface/lonmeta.pm 2008/11/18 19:14:22 1.215
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Metadata display handler
#
-# $Id: lonmeta.pm,v 1.147 2005/12/19 21:56:07 albertel Exp $
+# $Id: lonmeta.pm,v 1.215 2008/11/18 19:14:22 jms Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -26,6 +26,99 @@
# http://www.lon-capa.org/
+=head1 NAME
+
+Apache::lonmeta - display meta data
+
+=head1 SYNOPSIS
+
+Handler to display meta data
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 SUBROUTINES
+
+=over
+
+=item &get_dynamic_metadata_from_sql($url) :
+
+Queries sql database for dynamic metdata
+Returns a hash of hashes, with keys of urls which match $url
+Returned fields are given below.
+
+Examples:
+
+ %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
+ ('/res/msu/korte/');
+
+ $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
+
+=item dynamicmeta()
+
+Fetch and evaluate dynamic metadata
+
+=item access_count()
+
+=item alttag()
+
+Try to make an alt tag if there is none
+
+=item authordisplay()
+
+Author display
+
+=item evalgraph()
+
+Pretty display
+
+=item diffgraph()
+
+=item fieldnames()
+
+=item portfolio_linked_path()
+
+=item get_port_path_and_group()
+
+=item portfolio_display_uri()
+
+=item pre_select_course()
+
+=item select_course()
+
+=item prettyprint()
+
+Pretty printing of metadata field
+
+=item direct()
+
+Pretty input of metadata field
+
+=item selectbox()
+
+=item relatedfield()
+
+=item prettyinput()
+
+=item report_bombs()
+
+=item present_uneditable_metadata()
+
+=item present_editable_metadata()
+
+=item store_metadata()
+
+=item store_transferred_addedfields()
+
+=item store_portfolio_metadata()
+
+=item update_metadata_table()
+
+=back
+
+=cut
+
+
package Apache::lonmeta;
use strict;
@@ -39,29 +132,12 @@ use Apache::lonpublisher;
use Apache::lonlocal;
use Apache::lonmysql;
use Apache::lonmsg;
+use LONCAPA qw(:DEFAULT :match);
-############################################################
-############################################################
-##
-## &get_dynamic_metadata_from_sql($url)
-##
-## Queries sql database for dynamic metdata
-## Returns a hash of hashes, with keys of urls which match $url
-## Returned fields are given below.
-##
-## Examples:
-##
-## %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
-## ('/res/msu/korte/');
-##
-## $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
-##
-############################################################
-############################################################
sub get_dynamic_metadata_from_sql {
my ($url) = shift();
- my ($authordom,$author)=($url=~m:^/res/(\w+)/(\w+)/:);
+ my ($authordom,$author)=($url=~m{^/res/($match_domain)/($match_username)/});
if (! defined($authordom)) {
$authordom = shift();
}
@@ -71,20 +147,7 @@ sub get_dynamic_metadata_from_sql {
if (! defined($authordom) || ! defined($author)) {
return ();
}
- my @Fields = ('url','count','course',
- 'goto','goto_list',
- 'comefrom','comefrom_list',
- 'sequsage','sequsage_list',
- 'stdno','stdno_list',
- 'dependencies',
- 'avetries','avetries_list',
- 'difficulty','difficulty_list',
- 'disc','disc_list',
- 'clear','technical','correct',
- 'helpful','depth');
- #
- my $query = 'SELECT '.join(',',@Fields).
- ' FROM metadata WHERE url LIKE "'.$url.'%"';
+ my $query = 'SELECT * FROM metadata WHERE url LIKE "'.$url.'%"';
my $server = &Apache::lonnet::homeserver($author,$authordom);
my $reply = &Apache::lonnet::metadata_query($query,undef,undef,
,[$server]);
@@ -106,13 +169,10 @@ sub get_dynamic_metadata_from_sql {
while (my $result = <$fh>) {
chomp($result);
next if (! $result);
- my @Data =
- map {
- &Apache::lonnet::unescape($_);
- } split(',',$result);
- my $url = $Data[0];
- for (my $i=0;$i<=$#Fields;$i++) {
- $ReturnHash{$url}->{$Fields[$i]}=$Data[$i];
+ my %hash=&LONCAPA::lonmetadata::metadata_col_to_hash('metadata',
+ map { &unescape($_) } split(/\,/,$result));
+ foreach my $key (keys(%hash)) {
+ $ReturnHash{$hash{'url'}}->{$key}=$hash{$key};
}
}
$finished = 1;
@@ -126,7 +186,7 @@ sub get_dynamic_metadata_from_sql {
sub dynamicmeta {
my $url=&Apache::lonnet::declutter(shift);
$url=~s/\.meta$//;
- my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
+ my ($adomain,$aauthor)=($url=~/^($match_domain)\/($match_username)\//);
my $regexp=$url;
$regexp=~s/(\W)/\\$1/g;
$regexp='___'.$regexp.'___';
@@ -185,7 +245,7 @@ sub authordisplay {
my ($aname,$adom)=@_;
return &Apache::loncommon::aboutmewrapper
(&Apache::loncommon::plainname($aname,$adom),
- $aname,$adom,'preview').' ['.$aname.'@'.$adom.']';
+ $aname,$adom,'preview').' ['.$aname.':'.$adom.']';
}
# Pretty display
@@ -248,10 +308,9 @@ sub fieldnames {
'notes' => 'Notes',
'abstract' => 'Abstract',
'lowestgradelevel' => 'Lowest Grade Level',
- 'highestgradelevel' => 'Highest Grade Level',
- 'courserestricted' => 'Course Restricting Metadata');
-
- if (! defined($file_type) || $file_type ne 'portfolio') {
+ 'highestgradelevel' => 'Highest Grade Level');
+
+ if ( !defined($file_type) || ($file_type ne 'portfolio' && $file_type ne 'groups') ) {
%fields =
(%fields,
'domain' => 'Domain',
@@ -281,7 +340,7 @@ sub fieldnames {
'correct' => 'Material appears to be correct',
'technical' => 'Resource is technically correct',
'avetries' => 'Average number of tries till solved',
- 'stdno' => 'Total number of students who have worked on this problem',
+ 'stdno' => 'Statistics calculated for number of students',
'difficulty' => 'Degree of difficulty',
'disc' => 'Degree of discrimination',
'dependencies' => 'Resources used by this resource',
@@ -291,36 +350,69 @@ sub fieldnames {
}
sub portfolio_linked_path {
- my ($path) = @_;
- my $result = &Apache::portfolio::make_anchor('portfolio','/');
+ my ($path,$group,$port_path) = @_;
+
+ my $start = 'portfolio';
+ if ($group) {
+ $start = "groups/$group/".$start;
+ }
+ my %anchor_fields = (
+ 'selectfile' => $start,
+ 'currentpath' => '/'
+ );
+ my $result = &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$start);
my $fullpath = '/';
my (undef,@tree) = split('/',$path);
my $filename = pop(@tree);
foreach my $dir (@tree) {
$fullpath .= $dir.'/';
$result .= '/';
- $result .= &Apache::portfolio::make_anchor($dir,$fullpath);
+ my %anchor_fields = (
+ 'selectfile' => $dir,
+ 'currentpath' => $fullpath
+ );
+ $result .= &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$dir);
}
$result .= "/$filename";
return $result;
}
+sub get_port_path_and_group {
+ my ($uri)=@_;
+
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+
+ my ($port_path,$group);
+ if ($uri =~ m{^/editupload/\Q$cdom\E/\Q$cnum\E/groups/}) {
+ $group = (split('/',$uri))[5];
+ $port_path = '/adm/coursegrp_portfolio';
+ } else {
+ $port_path = '/adm/portfolio';
+ }
+ if ($env{'form.group'} ne $group) {
+ $env{'form.group'} = $group;
+ }
+ return ($port_path,$group);
+}
+
sub portfolio_display_uri {
my ($uri,$as_links)=@_;
+
+ my ($port_path,$group) = &get_port_path_and_group($uri);
+
$uri =~ s|.*/(portfolio/.*)$|$1|;
my ($res_uri,$meta_uri) = ($uri,$uri);
-
if ($uri =~ /\.meta$/) {
$res_uri =~ s/\.meta//;
} else {
$meta_uri .= '.meta';
}
- my ($path) = ($res_uri =~ m|(.*)/[^/]*$|);
-
+ my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|);
if ($as_links) {
- $res_uri = &portfolio_linked_path($res_uri);
- $meta_uri = &portfolio_linked_path($meta_uri);
+ $res_uri = &portfolio_linked_path($res_uri,$group,$port_path);
+ $meta_uri = &portfolio_linked_path($meta_uri,$group,$port_path);
}
return ($res_uri,$meta_uri,$path);
}
@@ -342,47 +434,83 @@ sub pre_select_course {
$r->print('
'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, \'None\'',''.$res_uri.'').'
');
return;
}
sub select_course {
- my %courses;
- my $output;
- my $selected;
- foreach my $key (keys(%env)) {
- if ($key =~ m/\.metadata\./) {
- $key =~ m/^course\.(.+)(\.metadata.+$)/;
- my $course = $1;
- my $coursekey = 'course.'.$course.'.description';
- my $value = $env{$coursekey};
- $courses{$coursekey} = $value;
+ my $output=$/;
+ my $current_restriction=
+ $Apache::lonpublisher::metadatafields{'courserestricted'};
+ my $selected = ($current_restriction eq 'none' ? 'selected="selected"'
+ : '');
+ if ($current_restriction =~ /^course\.($match_domain\_$match_courseid)$/) {
+ my $assoc_crs = $1;
+ my $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames($assoc_crs);
+ if (ref($added_metadata_fields) eq 'HASH') {
+ if (keys(%{$added_metadata_fields}) > 0) {
+ my $transfernotes;
+ foreach my $field_name (keys(%{$added_metadata_fields})) {
+ my $value = $Apache::lonpublisher::metadatafields{$field_name};
+ if ($value) {
+ $transfernotes .=
+ &Apache::loncommon::start_data_table_row().
+ '
'.
+ $field_name.'
'.$value.'
'.
+ &Apache::loncommon::end_data_table_row();
+ }
+ }
+ if ($transfernotes ne '') {
+ my %courseinfo = &Apache::lonnet::coursedescription($assoc_crs,{'one_time' => 1});
+ my $assoc_crs_description = $courseinfo{'description'};
+ $output .= &mt('This resource is currently associated with a course ([_1]) which includes added metadata fields specific to the course.',$assoc_crs_description).' '."\n".
+ &mt('You can choose to transfer data from the added fields to the "Notes" field if you are planning to change the course association.').'
'.join("\n",map {
- my $url = &Apache::lonnet::clutter($_);
+ return '
'.join("\n",map {
+ my $url = &Apache::lonnet::clutter_with_no_wrapper($_);
my $title = &Apache::lonnet::gettitle($url);
if ($title eq '') {
$title = 'Untitled';
@@ -484,18 +612,26 @@ sub prettyprint {
# List of courses
if ($type=~/\_list/) {
my @Courses = split(/\s*\,\s*/,$value);
- my $Str;
+ my $Str='
';
+ my %descriptions;
foreach my $course (@Courses) {
- my %courseinfo = &Apache::lonnet::coursedescription($course);
+ my %courseinfo =
+ &Apache::lonnet::coursedescription($course,
+ {'one_time' => 1});
if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
next;
}
- if ($Str ne '') { $Str .= ' '; }
- $Str .= ''.
- $courseinfo{'description'}.'';
+ $courseinfo{'description'}.' ('.$courseinfo{'domain'}.
+ ')';
}
- return $Str;
+ foreach my $course (sort {lc($a) cmp lc($b)} (keys(%descriptions))) {
+ $Str .= $descriptions{$course};
+ }
+
+ return $Str.'
';
}
# No pretty print found
return $value;
@@ -544,7 +680,8 @@ sub prettyinput {
$size = 80;
}
my $output;
- if (defined($course_key)) {
+ if (defined($course_key)
+ && exists($env{$course_key.'.metadata.'.$type.'.options'})) {
my $stu_add;
my $only_one;
my %meta_options;
@@ -569,9 +706,16 @@ sub prettyinput {
if ($meta_options{$item}) {
push(@cur_values_inst,$item);
} else {
- $cur_values_stu .= $item.',';
+ if ($item ne '') {
+ $cur_values_stu .= $item.',';
+ }
}
}
+ $cur_values_stu =~ s/,$//;
+ my @key_order = sort(keys(%meta_options));
+ unshift(@key_order,'');
+ $meta_options{''} = 'Not specified';
+ $meta_options{'select_form_order'} = \@key_order;
} else {
$cur_values_stu = $value;
}
@@ -581,7 +725,9 @@ sub prettyinput {
}
if (($type eq 'keywords') || ($type eq 'subject')
|| ($type eq 'author')||($type eq 'notes')
- || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards')) {
+ || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards')
+ || (exists($env{$course_key.'.metadata.'.$type.'.added'}))) {
+
if ($values) {
if ($only_one) {
$output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,%meta_options));
@@ -596,7 +742,7 @@ sub prettyinput {
$relatedvalue);
}
return ($output);
- }
+ }
if (($type eq 'lowestgradelevel') ||
($type eq 'highestgradelevel')) {
return &Apache::loncommon::select_level_form($value,$fieldname).
@@ -691,45 +837,61 @@ sub prettyinput {
# Main Handler
sub handler {
my $r=shift;
- #
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['currentpath','changecourse']);
my $uri=$r->uri;
#
# Set document type
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
return OK if $r->header_only;
- #
my ($resdomain,$resuser)=
- (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
- my $html=&Apache::lonxml::xmlbegin();
- $r->print($html.''.
- 'Catalog Information'.
- '');
+ (&Apache::lonnet::declutter($uri)=~/^($match_domain)\/($match_username)\//);
if ($uri=~m:/adm/bombs/(.*)$:) {
- $r->print(&Apache::loncommon::bodytag('Error Messages'));
+ $r->print(&Apache::loncommon::start_page('Error Messages'));
# Looking for all bombs?
&report_bombs($r,$uri);
- } elsif ($uri=~/\/portfolio\//) {
+ } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/portfolio/|) {
($resdomain,$resuser)=
- (&Apache::lonnet::declutter($uri)=~m|^(\w+)/(\w+)/portfolio|);
- $r->print(&Apache::loncommon::bodytag
- ('Edit Portfolio File Information','','','',$resdomain));
+ (&Apache::lonnet::declutter($uri)=~m|^($match_domain)/($match_name)/portfolio|);
+ $r->print(&Apache::loncommon::start_page('Edit Portfolio File Catalog Information',
+ undef,
+ {'domain' => $resdomain,}));
if ($env{'form.store'}) {
&present_editable_metadata($r,$uri,'portfolio');
} else {
- &pre_select_course($r,$uri);
+ my $fn=&Apache::lonnet::filelocation('',$uri);
+ %Apache::lonpublisher::metadatafields=();
+ %Apache::lonpublisher::metadatakeys=();
+ my $result=&Apache::lonnet::getfile($fn);
+ &Apache::lonpublisher::metaeval($result);
+ if ((!$Apache::lonpublisher::metadatafields{'courserestricted'}) ||
+ ($env{'form.changecourse'} eq 'true')) {
+ &pre_select_course($r,$uri);
+ } else {
+ &present_editable_metadata($r,$uri,'portfolio');
+ }
}
- } elsif ($uri=~/^\/\~/) {
+ } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/groups/|) {
+ $r->print(&Apache::loncommon::start_page('Edit Group Portfolio File Catalog Information',
+ undef,
+ {'domain' => $resdomain,}));
+ &present_editable_metadata($r,$uri,'groups');
+ } elsif ($uri=~m|^/~|) {
# Construction space
- $r->print(&Apache::loncommon::bodytag
- ('Edit Catalog Information','','','',$resdomain));
+ $r->print(&Apache::loncommon::start_page('Edit Catalog Information',
+ "\n".'',
+ {'domain' => $resdomain,}));
&present_editable_metadata($r,$uri);
} else {
- $r->print(&Apache::loncommon::bodytag
- ('Catalog Information','','','',$resdomain));
+ $r->print(&Apache::loncommon::start_page('Metadata',
+ undef,
+ {'domain' => $resdomain,}));
&present_uneditable_metadata($r,$uri);
}
- $r->print('