--- loncom/interface/lonmeta.pm	2005/07/13 22:09:11	1.99
+++ loncom/interface/lonmeta.pm	2006/03/16 22:12:17	1.153
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Metadata display handler
 #
-# $Id: lonmeta.pm,v 1.99 2005/07/13 22:09:11 www Exp $
+# $Id: lonmeta.pm,v 1.153 2006/03/16 22:12:17 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -17,7 +17,7 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
-# You should have received a copy of the GNU General Public License
+# You should have received a copy of the GNU General Public License 
 # along with LON-CAPA; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #
@@ -33,7 +33,7 @@ use LONCAPA::lonmetadata();
 use Apache::Constants qw(:common);
 use Apache::lonnet;
 use Apache::loncommon();
-use Apache::lonhtmlcommon();
+use Apache::lonhtmlcommon(); 
 use Apache::lonmsg;
 use Apache::lonpublisher;
 use Apache::lonlocal;
@@ -71,7 +71,7 @@ sub get_dynamic_metadata_from_sql {
     if (! defined($authordom) || ! defined($author)) {
         return ();
     }
-    my @Fields = ('url','count','course',
+    my @Fields = ('url','count','course','course_list',
                   'goto','goto_list',
                   'comefrom','comefrom_list',
                   'sequsage','sequsage_list',
@@ -243,16 +243,23 @@ sub fieldnames {
          'authorspace' => 'Author Space',
          'modifyinguser' => 'Last Modifying User',
          'subject' => 'Subject',
+         'standards' => 'Standards',
          'keywords' => 'Keyword(s)',
          'notes' => 'Notes',
          'abstract' => 'Abstract',
          'lowestgradelevel' => 'Lowest Grade Level',
          'highestgradelevel' => 'Highest Grade Level');
+    
+    if (! defined($file_type) || $file_type ne 'portfolio') {
+        %fields = 
+	    (%fields,
+	     'courserestricted' => 'Course Restricting Metadata');
+    }
+         
     if (! defined($file_type) || $file_type ne 'portfolio') {
         %fields = 
         (%fields,
          'domain' => 'Domain',
-         'standards' => 'Standards',
          'mime' => 'MIME Type',
          'language' => 'Language',
          'creationdate' => 'Creation Date',
@@ -282,12 +289,104 @@ sub fieldnames {
          'stdno'      => 'Total number of students who have worked on this problem',
          'difficulty' => 'Degree of difficulty',
          'disc'       => 'Degree of discrimination',
-	 'dependencies' => 'Resources used by this resource',
+	     'dependencies' => 'Resources used by this resource',
          );
     }
     return &Apache::lonlocal::texthash(%fields);
 }
 
+sub portfolio_linked_path {
+    my ($path) = @_;
+    my $result = &Apache::portfolio::make_anchor('portfolio','/');
+    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);
+    }
+    $result .= "/$filename";
+    return $result;
+}
+
+sub portfolio_display_uri {
+    my ($uri,$as_links)=@_;
+    $uri =~ s|.*/(portfolio/.*)$|$1|;
+    my ($res_uri,$meta_uri) = ($uri,$uri);
+
+    if ($uri =~ /\.meta$/) {
+	$res_uri =~ s/\.meta//;
+    } else {
+	$meta_uri .= '.meta';
+    }
+
+    my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|);
+
+    if ($as_links) {
+	$res_uri = &portfolio_linked_path($res_uri);
+	$meta_uri = &portfolio_linked_path($meta_uri);
+    }
+    return ($res_uri,$meta_uri,$path);
+}
+
+sub pre_select_course {
+    my ($r,$uri) = @_;
+    my $output;
+    my $fn=&Apache::lonnet::filelocation('',$uri);
+    my ($res_uri,$meta_uri,$path) = &portfolio_display_uri($uri);
+    %Apache::lonpublisher::metadatafields=();
+    %Apache::lonpublisher::metadatakeys=();
+    my $result=&Apache::lonnet::getfile($fn);
+    if ($result == -1){
+        $r->print(&mt('Creating new file [_1]'),$meta_uri);
+    } else {
+        &Apache::lonpublisher::metaeval($result);
+    }
+    $r->print('<hr /><form method="post" action="" >');
+    $r->print('<p>'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, \'None\'','<tt>'.$res_uri.'</tt>').'</p>');
+    $output = &select_course();
+    $r->print($output.'<br /><input type="submit" name="store" value="'.
+                  &mt('Associate Resource With Selected Course').'">');
+    $r->print('</form>');
+    
+    $r->print('<br /><br /><form method="POST" action="/adm/portfolio">'.
+              '<input type="hidden" name="currentpath" value="'.$path.'" />'.
+	      '<input type="submit" name="cancel" value="'.&mt('Cancel').'">'.
+	      '</form>');
+
+    return;
+}
+sub select_course {
+    my $output=$/;
+    my $current_restriction=
+	$Apache::lonpublisher::metadatafields{'courserestricted'};
+    my $selected = ($current_restriction eq 'none' ? 'selected="selected"' 
+		                                   : '');
+
+    $output .= '<select name="new_courserestricted" >';
+    $output .= '<option value="none" '.$selected.'>'.
+	&mt('None').'</option>'.$/;
+    my %courses;
+    foreach my $key (keys(%env)) {
+        if ($key !~ m/^course\.(.+)\.description$/) { next; }
+	my $cid = $1;
+        if ($env{$key} !~ /\S/) { next; }
+	$courses{$key} = $cid;
+    }
+    foreach my $key (sort { lc($env{$a}) cmp lc($env{$b}) } (keys(%courses))) {
+	my $cid = 'course.'.$courses{$key};
+	my $selected = ($current_restriction eq $cid ? 'selected="selected"' 
+		                                     : '');
+        if ($env{$key} !~ /\S/) { next; }
+	$output .= '<option value="'.$cid.'" '.$selected.'>';
+	$output .= $env{$key};
+	$output .= '</option>'.$/;
+	$selected = '';
+    }
+    $output .= '</select><br />';
+    return ($output);
+}
 # Pretty printing of metadata field
 
 sub prettyprint {
@@ -348,7 +447,7 @@ sub prettyprint {
 	($type eq 'comefrom_list') ||
 	($type eq 'sequsage_list') ||
 	($type eq 'dependencies')) {
-	return '<ul><font size="-1">'.join("\n",map {
+	return '<font size="-1"><ul>'.join("\n",map {
             my $url = &Apache::lonnet::clutter($_);
             my $title = &Apache::lonnet::gettitle($url);
             if ($title eq '') {
@@ -385,18 +484,17 @@ sub prettyprint {
     # List of courses
     if ($type=~/\_list/) {
         my @Courses = split(/\s*\,\s*/,$value);
-        my $Str;
+        my $Str='<font size="-1"><ul>';
         foreach my $course (@Courses) {
             my %courseinfo = &Apache::lonnet::coursedescription($course);
             if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
                 next;
             }
-            if ($Str ne '') { $Str .= '<br />'; }
-            $Str .= '<a href="/public/'.$courseinfo{'domain'}.'/'.
+            $Str .= '<li><a href="/public/'.$courseinfo{'domain'}.'/'.
                 $courseinfo{'num'}.'/syllabus" target="preview">'.
-                $courseinfo{'description'}.'</a>';
+                $courseinfo{'description'}.'</a></li>';
         }
-	return $Str;
+	return $Str.'</ul></font>';
     }
     # No pretty print found
     return $value;
@@ -440,10 +538,72 @@ sub relatedfield {
 
 sub prettyinput {
     my ($type,$value,$fieldname,$formname,
-	$relatedsearchflag,$relatedsep,$relatedvalue,$size)=@_;
+	$relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
     if (! defined($size)) {
         $size = 80;
     }
+    my $output;
+    if (defined($course_key) 
+	&& exists($env{$course_key.'.metadata.'.$type.'.options'})) {
+        my $stu_add;
+        my $only_one;
+        my %meta_options;
+        my @cur_values_inst;
+        my $cur_values_stu;
+        my $values = $env{$course_key.'.metadata.'.$type.'.values'};
+        if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
+            $stu_add = 'true';
+        }
+        if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
+            $only_one = 'true';
+        }
+        # need to take instructor values out of list where instructor and student
+        # values may be mixed.
+        if ($values) {
+            foreach my $item (split(/,/,$values)) {
+                $item =~ s/^\s+//;
+                $meta_options{$item} = $item;
+            }
+            foreach my $item (split(/,/,$value)) {
+                $item =~ s/^\s+//;
+                if ($meta_options{$item}) {
+                    push(@cur_values_inst,$item);
+                } else {
+                    $cur_values_stu .= $item.',';
+                }
+            }
+        } else {
+            $cur_values_stu = $value;
+        }
+        if ($type eq 'courserestricted') {
+            return (&select_course());
+            # return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
+        }
+        if (($type eq 'keywords') || ($type eq 'subject')
+             || ($type eq 'author')||($type eq  'notes')
+             || ($type eq  'abstract')|| ($type eq  'title')|| ($type eq  'standards')) {
+            if ($values) {
+                if ($only_one) {
+                    $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,%meta_options));
+                } else {
+                    $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
+                }
+            }
+            if ($stu_add) {
+                $output .= '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
+                'value="'.$cur_values_stu.'" />'.
+                &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
+                      $relatedvalue); 
+            }
+            return ($output);
+        }
+        if (($type eq 'lowestgradelevel') ||
+	    ($type eq 'highestgradelevel')) {
+	    return &Apache::loncommon::select_level_form($value,$fieldname).
+            &relatedfield(0,$relatedsearchflag,$relatedsep); 
+        }
+        return(); 
+    }
     # Language
     if ($type eq 'language') {
 	return &selectbox($fieldname,
@@ -504,6 +664,11 @@ sub prettyinput {
 	    ",'rights')\">".&mt('Select').'</a>'.
             &relatedfield(0,$relatedsearchflag,$relatedsep); 
     }
+    if ($type eq 'courserestricted') {
+        return (&select_course());
+        #return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
+    }
+
     # Dates
     if (($type eq 'creationdate') ||
 	($type eq 'lastrevisiondate')) {
@@ -536,30 +701,35 @@ sub handler {
     #
     my ($resdomain,$resuser)=
         (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
-    my $html=&Apache::lonxml::xmlbegin();
-    $r->print($html.'<head><title>'.
-              'Catalog Information'.
-              '</title></head>');
+
     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\//) {
-        $r->print(&Apache::loncommon::bodytag
-          ('Edit Portfolio File Information','','','',$resdomain));
-        &present_editable_metadata($r,$uri,'portfolio');
-        
+	    ($resdomain,$resuser)=
+	    (&Apache::lonnet::declutter($uri)=~m|^(\w+)/(\w+)/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);
+        }
     } elsif ($uri=~/^\/\~/) { 
         # Construction space
-        $r->print(&Apache::loncommon::bodytag
-                  ('Edit Catalog Information','','','',$resdomain));
+        $r->print(&Apache::loncommon::start_page('Edit Catalog nformation',
+						 undef,
+						 {'domain' => $resdomain,}));
         &present_editable_metadata($r,$uri);
     } else {
-        $r->print(&Apache::loncommon::bodytag
-		  ('Catalog Information','','','',$resdomain));
+        $r->print(&Apache::loncommon::start_page('Catalog Information',
+						 undef,
+						 {'domain' => $resdomain,}));
         &present_uneditable_metadata($r,$uri);
     }
-    $r->print('</body></html>');
+    $r->print(&Apache::loncommon::end_page());
     return OK;
 }
 
@@ -623,6 +793,7 @@ sub present_uneditable_metadata {
     my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/);
     $uri=~s/\.meta$//;
     my $disuri=&Apache::lonnet::clutter($uri);
+    $disuri=~s/^\/adm\/wrapper//;
     # version
     my $currentversion=&Apache::lonnet::getversion($disuri);
     my $versiondisplay='';
@@ -883,6 +1054,8 @@ sub print_dynamic_metadata {
     return;
 }
 
+
+
 #####################################################
 #####################################################
 ###                                               ###
@@ -898,6 +1071,11 @@ sub present_editable_metadata {
     my $fn=&Apache::lonnet::filelocation('',$uri);
     $disuri=~s/^\/\~/\/priv\//;
     $disuri=~s/\.meta$//;
+    my $meta_uri = $disuri;
+    my $path;
+    if ($disuri =~ m|/portfolio/|) {
+	($disuri, $meta_uri, $path) =  &portfolio_display_uri($disuri,1);
+    }
     my $target=$uri;
     $target=~s/^\/\~/\/res\/$env{'request.role.domain'}\//;
     $target=~s/\.meta$//;
@@ -951,7 +1129,7 @@ ENDDEL
         %Apache::lonpublisher::metadatakeys=();
         my $result=&Apache::lonnet::getfile($fn);
         if ($result == -1){
-            $r->print('Creating new '.$fn);
+	    $r->print(&mt('Creating new file [_1]'),$meta_uri);
         } else {
             &Apache::lonpublisher::metaeval($result);
         }
@@ -967,7 +1145,7 @@ ENDEDIT
 	my @fields;
 	if ($file_type eq 'portfolio') {
 	    @fields =  ('author','title','subject','keywords','abstract','notes','lowestgradelevel',
-	                'highestgradelevel');
+	                'highestgradelevel','standards');
 	} else {
 	    @fields = ('author','title','subject','keywords','abstract','notes',
                  'copyright','customdistributionfile','language',
@@ -975,80 +1153,127 @@ ENDEDIT
                  'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
                  'obsolete','obsoletereplacement');
         }
-        foreach (@fields) {
-            if (defined($env{'form.new_'.$_})) {
-                $Apache::lonpublisher::metadatafields{$_}=
-                    $env{'form.new_'.$_};
-            }
-            if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
+        if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) &&
+                (! $env{'form.new_courserestricted'})) {
+            $Apache::lonpublisher::metadatafields{'courserestricted'}=
+                'none';
+        } elsif ($env{'form.new_courserestricted'}) {
+            $Apache::lonpublisher::metadatafields{'courserestricted'}=
+                $env{'form.new_courserestricted'}; 
+        }           
+        if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
                 $Apache::lonpublisher::metadatafields{'copyright'}=
-                    'default';
-            }
-            $output.=('<p>'.$lt{$_}.': '.
-                      &prettyinput($_,
-				   $Apache::lonpublisher::metadatafields{$_},
-				   'new_'.$_,'defaultmeta').'</p>');
+                'default';
         }
-        if ($env{'form.store'}) {
-            my $mfh;
-            my $formname='store';
-            my $file_content;
-            foreach (sort keys %Apache::lonpublisher::metadatafields) {
-                next if ($_ =~ /\./);
-                my $unikey=$_;
-                $unikey=~/^([A-Za-z]+)/;
-                my $tag=$1;
-                $tag=~tr/A-Z/a-z/;
-                $file_content.= "\n\<$tag";
-                foreach (split(/\,/,
-                             $Apache::lonpublisher::metadatakeys{$unikey})
-                         ) {
-                    my $value=
-                     $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
-                    $value=~s/\"/\'\'/g;
-                    $file_content.=' '.$_.'="'.$value.'"' ;
-                    # print $mfh ' '.$_.'="'.$value.'"';
-                }
-                $file_content.= '>'.
-                    &HTML::Entities::encode
-                    ($Apache::lonpublisher::metadatafields{$unikey},
-                     '<>&"').
-                     '</'.$tag.'>';
+	if ($file_type eq 'portfolio') {
+	    if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') {
+		$r->print(&mt('Associated with course [_1]','<strong>'.$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.".description"}.
+			      '</strong>').'<br />');
+	    } else {
+		$r->print("This resource is not associated with a course.<br />");
+	    }
+	}
+        foreach my $field_name (@fields) {
+
+            if (defined($env{'form.new_'.$field_name})) {
+                $Apache::lonpublisher::metadatafields{$field_name}=
+                    join(',',&Apache::loncommon::get_env_multiple('form.new_'.$field_name));
             }
-            if ($fn =~ /\/portfolio\//) {
-                $fn =~ /\/portfolio\/(.*)$/;
-                my $new_fn = '/'.$1;
-                $env{'form.'.$formname}=$file_content;
-                $env{'form.'.$formname.'.filename'}=$new_fn;
-                &Apache::lonnet::userfileupload('uploaddoc','',
-	        	 'portfolio'.$env{'form.currentpath'});
-	        my $status =&Apache::lonnet::userfileupload($formname,'','portfolio');
-                if (&Apache::lonnet::userfileupload($formname,'','portfolio') eq 'error: no uploaded file') {
-                    $r->print('<p><font color="red">'.
-                      &mt('Could not write metadata').', '.
-                     &mt('FAIL').'</font></p>');
-                } else {
-                    $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
-		  ' '.&Apache::lonlocal::locallocaltime(time).
-		  '</font></p>');
-                }
+            if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none'
+		&& exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) {
+                # handle restrictions here
+                if (($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) ||
+                    ($field_name eq 'courserestricted')){
+                    $output.=("\n".'<p>'.$lt{$field_name}.': '.
+                              &prettyinput($field_name,
+				   $Apache::lonpublisher::metadatafields{$field_name},
+				                    'new_'.$field_name,'defaultmeta',
+				                    undef,undef,undef,undef,
+				                    $Apache::lonpublisher::metadatafields{'courserestricted'}).'</p>'."\n");
+                 }
             } else {
-                if (!  ($mfh=Apache::File->new('>'.$fn))) {
-                    $r->print('<p><font color="red">'.
-                        &mt('Could not write metadata').', '.
-                        &mt('FAIL').'</font></p>');
-                } else {
-                    print $mfh $file_content;
+
+                    $output.=('<p>'.$lt{$field_name}.': '.
+                            &prettyinput($field_name,
+				   $Apache::lonpublisher::metadatafields{$field_name},
+				   'new_'.$field_name,'defaultmeta').'</p>');
+               
+            }
+        }
+	if ($env{'form.store'}) {
+	    my $mfh;
+	    my $formname='store'; 
+	    my $file_content;
+	    if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
+		$Apache::lonpublisher::metadatafields{'keywords'} = 
+		    join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
+	    }
+
+	    foreach (sort keys %Apache::lonpublisher::metadatafields) {
+		next if ($_ =~ /\./);
+		my $unikey=$_;
+		$unikey=~/^([A-Za-z]+)/;
+		my $tag=$1;
+		$tag=~tr/A-Z/a-z/;
+		$file_content.= "\n\<$tag";
+		foreach (split(/\,/,
+			       $Apache::lonpublisher::metadatakeys{$unikey})
+			 ) {
+		    my $value=
+			$Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
+		    $value=~s/\"/\'\'/g;
+		    $file_content.=' '.$_.'="'.$value.'"' ;
+		    # print $mfh ' '.$_.'="'.$value.'"';
+		}
+		$file_content.= '>'.
+		    &HTML::Entities::encode
+		    ($Apache::lonpublisher::metadatafields{$unikey},
+		     '<>&"').
+		     '</'.$tag.'>';
+	    }
+	    if ($fn =~ m|/portfolio/|) {
+		my ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|);
+		$env{'form.'.$formname}=$file_content."\n";
+		$env{'form.'.$formname.'.filename'}=$new_fn;
+		my $result =&Apache::lonnet::userfileupload($formname,'',
+							    $path);
+		
+		if ($result =~ /(error|notfound)/) {
+		    $r->print('<p><font color="red">'.
+			      &mt('Could not write metadata').', '.
+			      &mt('FAIL').'</font></p>');
+		} else {
 		    $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
 			      ' '.&Apache::lonlocal::locallocaltime(time).
 			      '</font></p>');
-                }
-            }
-        }
+		}
+	    } else {
+		if (!  ($mfh=Apache::File->new('>'.$fn))) {
+		    $r->print('<p><font color="red">'.
+			      &mt('Could not write metadata').', '.
+			      &mt('FAIL').'</font></p>');
+		} else {
+		    print $mfh $file_content;
+		    $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
+			      ' '.&Apache::lonlocal::locallocaltime(time).
+			      '</font></p>');
+		}
+	    }
+	}
+	
 	$r->print($output.'<br /><input type="submit" name="store" value="'.
                   &mt('Store Catalog Information').'">');
+
+	if ($file_type eq 'portfolio') {
+	    $r->print('</form>
+               <br /><br /><form method="POST" action="/adm/portfolio">'.
+		      '<input type="hidden" name="currentpath" value="'.$path.'" />'.
+		      '<input type="submit" name="cancel" value="'.&mt('Discard Edits and Return to Portfolio').'">');
+	}
     }
+    
     $r->print('</form>');
+
     return;
 }