--- loncom/interface/loncommon.pm 2008/03/28 14:52:52 1.650 +++ loncom/interface/loncommon.pm 2008/09/11 21:05:19 1.685 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.650 2008/03/28 14:52:52 www Exp $ +# $Id: loncommon.pm,v 1.685 2008/09/11 21:05:19 tempelho Exp $ # # Copyright Michigan State University Board of Trustees # @@ -61,12 +61,14 @@ use POSIX qw(strftime mktime); use Apache::lonmenu(); use Apache::lonenc(); use Apache::lonlocal; +use Apache::lonnet(); use HTML::Entities; use Apache::lonhtmlcommon(); use Apache::loncoursedata(); use Apache::lontexconvert(); use Apache::lonclonecourse(); use LONCAPA qw(:DEFAULT :match); +use DateTime::TimeZone; # ---------------------------------------------- Designs use vars qw(%defaultdesign); @@ -447,6 +449,25 @@ sub selectstudent_link { return ''; } +sub authorbrowser_javascript { + return <<"ENDAUTHORBRW"; +<script type="text/javascript"> +var stdeditbrowser; + +function openauthorbrowser(formname,udom) { + var url = '/adm/pickauthor?'; + url += 'form='+formname+'&roledom='+udom; + var title = 'Author_Browser'; + var options = 'scrollbars=1,resizable=1,menubar=0'; + options += ',width=700,height=600'; + stdeditbrowser = open(url,title,options,'1'); + stdeditbrowser.focus(); +} + +</script> +ENDAUTHORBRW +} + sub coursebrowser_javascript { my ($domainfilter,$sec_element,$formname)=@_; my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role'); @@ -584,6 +605,12 @@ sub selectcourse_link { '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>"; } +sub selectauthor_link { + my ($form,$udom)=@_; + return '<a href="javascript:openauthorbrowser('."'$form','$udom'".');">'. + &mt('Select Author').'</a>'; +} + sub check_uncheck_jscript { my $jscript = <<"ENDSCRT"; function checkAll(field) { @@ -609,6 +636,27 @@ ENDSCRT return $jscript; } +sub select_timezone { + my ($name,$selected,$onchange,$includeempty)=@_; + my $output='<select name="'.$name.'" '.$onchange.'>'."\n"; + if ($includeempty) { + $output .= '<option value=""'; + if (($selected eq '') || ($selected eq 'local')) { + $output .= ' selected="selected" '; + } + $output .= '> </option>'; + } + my @timezones = DateTime::TimeZone->all_names; + foreach my $tzone (@timezones) { + $output.= '<option value="'.$tzone.'"'; + if ($tzone eq $selected) { + $output.=' selected="selected"'; + } + $output.=">$tzone</option>\n"; + } + $output.="</select>"; + return $output; +} =pod @@ -831,7 +879,7 @@ sub help_open_topic { # Add the graphic my $title = &mt('Online Help'); - my $helpicon=&lonhttpdurl("/res/adm/pages/help.png"); + my $helpicon=&lonhttpdurl("/adm/help/help.png"); $template .= <<"ENDTEMPLATE"; <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a> ENDTEMPLATE @@ -857,6 +905,9 @@ sub helpLatexCheatsheet { .'</td><td>'. &Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'), undef,undef,600) + .'</td><td>'. + &Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'), + undef,undef,600) .'</td></tr></table>'; } @@ -866,6 +917,8 @@ sub general_help { $helptopic='Authoring_Intro'; } elsif ($env{'request.role'}=~/^cc/) { $helptopic='Course_Coordination_Intro'; + } elsif ($env{'request.role'}=~/^dc/) { + $helptopic='Domain_Coordination_Intro'; } return $helptopic; } @@ -1455,9 +1508,9 @@ sub create_text_file { $fh = Apache::File->new('>/home/httpd'.$filename); if (! defined($fh)) { $r->log_error("Couldn't open $filename for output $!"); - $r->print("Problems occured in creating the output file. ". - "This error has been logged. ". - "Please alert your LON-CAPA administrator."); + $r->print(&mt('Problems occurred in creating the output file. ' + .'This error has been logged. ' + .'Please alert your LON-CAPA administrator.')); } return ($fh,$filename) } @@ -2907,10 +2960,14 @@ sub display_languages { sub preferred_languages { my @languages=(); + if (($env{'request.role.adv'}) && ($env{'form.languages'})) { + @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$env{'form.languages'})); + } if ($env{'course.'.$env{'request.course.id'}.'.languages'}) { @languages=(@languages,split(/\s*(\,|\;|\:)\s*/, $env{'course.'.$env{'request.course.id'}.'.languages'})); } + if ($env{'environment.languages'}) { @languages=(@languages, split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'})); @@ -3179,7 +3236,11 @@ sub get_student_view_with_retries { if (!$ok) { $content = ''; # On error return an empty content. } - return ($content, $response); + if (wantarray) { + return ($content, $response); + } else { + return $content; + } } =pod @@ -3687,6 +3748,60 @@ sub blocking_status { ############################################### +sub check_ip_acc { + my ($acc)=@_; + &Apache::lonxml::debug("acc is $acc"); + if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) { + return 1; + } + my $allowed=0; + my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'}; + + my $name; + foreach my $pattern (split(',',$acc)) { + $pattern =~ s/^\s*//; + $pattern =~ s/\s*$//; + if ($pattern =~ /\*$/) { + #35.8.* + $pattern=~s/\*//; + if ($ip =~ /^\Q$pattern\E/) { $allowed=1; } + } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) { + #35.8.3.[34-56] + my $low=$2; + my $high=$3; + $pattern=$1; + if ($ip =~ /^\Q$pattern\E/) { + my $last=(split(/\./,$ip))[3]; + if ($last <=$high && $last >=$low) { $allowed=1; } + } + } elsif ($pattern =~ /^\*/) { + #*.msu.edu + $pattern=~s/\*//; + if (!defined($name)) { + use Socket; + my $netaddr=inet_aton($ip); + ($name)=gethostbyaddr($netaddr,AF_INET); + } + if ($name =~ /\Q$pattern\E$/i) { $allowed=1; } + } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) { + #127.0.0.1 + if ($ip =~ /^\Q$pattern\E/) { $allowed=1; } + } else { + #some.name.com + if (!defined($name)) { + use Socket; + my $netaddr=inet_aton($ip); + ($name)=gethostbyaddr($netaddr,AF_INET); + } + if ($name =~ /\Q$pattern\E$/i) { $allowed=1; } + } + if ($allowed) { last; } + } + return $allowed; +} + +############################################### + =pod =head1 Domain Template Functions @@ -4433,7 +4548,6 @@ table.LC_docs_path td.LC_docs_path_compo td.LC_table_cell_checkbox { text-align: center; } - table#LC_mainmenu td.LC_mainmenu_column { vertical-align: top; } @@ -4447,7 +4561,7 @@ table#LC_mainmenu td.LC_mainmenu_column .LC_menubuttons_link { text-decoration: none; } - +#2008--9-5: new menu style sheet.Changed category .LC_menubuttons_category { color: $font; background: $pgbg; @@ -4514,6 +4628,10 @@ td.LC_menubuttons_img { text-align: right; } +.LC_roleslog_note { + font-size: smaller; +} + table.LC_aboutme_port { border: 0px; border-collapse: collapse; @@ -5296,6 +5414,32 @@ hr.LC_edit_problem_divide { height: 3px; border: 0px; } +img.stift{ + border-width:0; + vertical-align:middle; +} + +table#LC_mainmenu{ + margin-top:10px; + width:80%; + +} + +table#LC_mainmenu td.LC_mainmenu_col_fieldset{ + vertical-align: top; + width: 45%; +} +.LC_mainmenu_fieldset_category { + color: $font; + background: $pgbg; + font-family: $sans; + font-size: small; + font-weight: bold; +} +fieldset#LC_mainmenu_fieldset { + margin:0px 10px 10px 0px; + +} END } @@ -6744,12 +6888,16 @@ sub instrule_disallow_msg { $text{'action'} = 'IDs'; } } - $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for <span class=\"LC_cusr_emph\">[_1]</span>, but the $text{'item'} $text{'do'} not exist in the institutional directory.",$domdesc).'<br />'; + $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",'<span class="LC_cusr_emph">'.$domdesc.'</span>').'<br />'; if ($mode eq 'upload') { if ($checkitem eq 'username') { $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}."); } elsif ($checkitem eq 'id') { - $response .= &mt("Either upload a file which includes $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the ID/Student Number field."); + $response .= &mt("Either upload a file which includes $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the Student/Employee ID field."); + } + } elsif ($mode eq 'selfcreate') { + if ($checkitem eq 'id') { + $response .= &mt("You must either choose $text{'action'} with a different format -- $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank."); } } else { if ($checkitem eq 'username') { @@ -6779,7 +6927,7 @@ sub sorted_inst_types { my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom); my $othertitle = &mt('All users'); if ($env{'request.course.id'}) { - $othertitle = 'any'; + $othertitle = &mt('Any users'); } my @types; if (ref($order) eq 'ARRAY') { @@ -6792,9 +6940,6 @@ sub sorted_inst_types { } if (keys(%{$usertypes}) > 0) { $othertitle = &mt('Other users'); - if ($env{'request.course.id'}) { - $othertitle = 'other'; - } } return ($othertitle,$usertypes,\@types); } @@ -6980,6 +7125,232 @@ sub get_env_multiple { return(@values); } +sub ask_for_embedded_content { + my ($actionurl,$state,$allfiles,$codebase,$args)=@_; + my $upload_output = ' + <form name="upload_embedded" action="'.$actionurl.'" + method="post" enctype="multipart/form-data">'; + $upload_output .= $state; + $upload_output .= '<b>Upload embedded files</b>:<br />'.&start_data_table(); + + my $num = 0; + foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) { + $upload_output .= &start_data_table_row(). + '<td>'.$embed_file.'</td><td>'; + if ($args->{'ignore_remote_references'} + && $embed_file =~ m{^\w+://}) { + $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>'; + } elsif ($args->{'error_on_invalid_names'} + && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) { + + $upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>'; + + } else { + $upload_output .=' + <input name="embedded_item_'.$num.'" type="file" value="" /> + <input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />'; + my $attrib = join(':',@{$$allfiles{$embed_file}}); + $upload_output .= + "\n\t\t". + '<input name="embedded_attrib_'.$num.'" type="hidden" value="'. + $attrib.'" />'; + if (exists($$codebase{$embed_file})) { + $upload_output .= + "\n\t\t". + '<input name="codebase_'.$num.'" type="hidden" value="'. + &escape($$codebase{$embed_file}).'" />'; + } + } + $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row(); + $num++; + } + $upload_output .= &Apache::loncommon::end_data_table().'<br /> + <input type ="hidden" name="number_embedded_items" value="'.$num.'" /> + <input type ="submit" value="'.&mt('Upload Listed Files').'" /> + '.&mt('(only files for which a location has been provided will be uploaded)').' + </form>'; + return $upload_output; +} + +sub upload_embedded { + my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota, + $current_disk_usage) = @_; + my $output; + for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) { + next if (!exists($env{'form.embedded_item_'.$i.'.filename'})); + my $orig_uploaded_filename = + $env{'form.embedded_item_'.$i.'.filename'}; + + $env{'form.embedded_orig_'.$i} = + &unescape($env{'form.embedded_orig_'.$i}); + my ($path,$fname) = + ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)}); + # no path, whole string is fname + if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} }; + + $path = $env{'form.currentpath'}.$path; + $fname = &Apache::lonnet::clean_filename($fname); + # See if there is anything left + next if ($fname eq ''); + + # Check if file already exists as a file or directory. + my ($state,$msg); + if ($context eq 'portfolio') { + my $port_path = $dirpath; + if ($group ne '') { + $port_path = "groups/$group/$port_path"; + } + ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i, + $dir_root,$port_path,$disk_quota, + $current_disk_usage,$uname,$udom); + if ($state eq 'will_exceed_quota' + || $state eq 'file_locked' + || $state eq 'file_exists' ) { + $output .= $msg; + next; + } + } elsif (($context eq 'author') || ($context eq 'testbank')) { + ($state,$msg) = &check_for_existing($path,$fname,'embedded_item_'.$i); + if ($state eq 'exists') { + $output .= $msg; + next; + } + } + # Check if extension is valid + if (($fname =~ /\.(\w+)$/) && + (&Apache::loncommon::fileembstyle($1) eq 'hdn')) { + $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1); + next; + } elsif (($fname =~ /\.(\w+)$/) && + (!defined(&Apache::loncommon::fileembstyle($1)))) { + $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1); + next; + } elsif ($fname=~/\.(\d+)\.(\w+)$/) { + $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2); + next; + } + + $env{'form.embedded_item_'.$i.'.filename'}=$fname; + if ($context eq 'portfolio') { + my $result= + &Apache::lonnet::userfileupload('embedded_item_'.$i,'', + $dirpath.$path); + if ($result !~ m|^/uploaded/|) { + $output .= '<span class="LC_error">' + .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].' + ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}) + .'</span><br />'; + next; + } else { + $output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'. + $path.$fname.'</span>').'</p>'; + } + } else { +# Save the file + my $target = $env{'form.embedded_item_'.$i}; + my $fullpath = $dir_root.$dirpath.'/'.$path; + my $dest = $fullpath.$fname; + my $url = $url_root.$dirpath.'/'.$path.$fname; + my @parts=split(/\//,$fullpath); + my $count; + my $filepath = $dir_root; + for ($count=4;$count<=$#parts;$count++) { + $filepath .= "/$parts[$count]"; + if ((-e $filepath)!=1) { + mkdir($filepath,0770); + } + } + my $fh; + if (!open($fh,'>'.$dest)) { + &Apache::lonnet::logthis('Failed to create '.$dest); + $output .= '<span class="LC_error">'. + &mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}). + '</span><br />'; + } else { + if (!print $fh $env{'form.embedded_item_'.$i}) { + &Apache::lonnet::logthis('Failed to write to '.$dest); + $output .= '<span class="LC_error">'. + &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}). + '</span><br />'; + } else { + if ($context eq 'testbank') { + $output .= &mt('Embedded file uploaded successfully:'). + ' <a href="'.$url.'">'. + $orig_uploaded_filename.'</a><br />'; + } else { + $output .= '<font size="+2">'. + &mt('View embedded file: [_1]','<a href="'.$url.'">'. + $orig_uploaded_filename.'</a>').'</font><br />'; + } + } + close($fh); + } + } + } + return $output; +} + +sub check_for_existing { + my ($path,$fname,$element) = @_; + my ($state,$msg); + if (-d $path.'/'.$fname) { + $state = 'exists'; + $msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path); + } elsif (-e $path.'/'.$fname) { + $state = 'exists'; + $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path); + } + if ($state eq 'exists') { + $msg = '<span class="LC_error">'.$msg.'</span><br />'; + } + return ($state,$msg); +} + +sub check_for_upload { + my ($path,$fname,$group,$element,$portfolio_root,$port_path, + $disk_quota,$current_disk_usage,$uname,$udom) = @_; + my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?) + my $getpropath = 1; + my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname, + $getpropath); + my $found_file = 0; + my $locked_file = 0; + foreach my $line (@dir_list) { + my ($file_name)=split(/\&/,$line,2); + if ($file_name eq $fname){ + $file_name = $path.$file_name; + if ($group ne '') { + $file_name = $group.$file_name; + } + $found_file = 1; + if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') { + $locked_file = 1; + } + } + } + if (($current_disk_usage + $filesize) > $disk_quota){ + my $msg = '<span class="LC_error">'. + &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$fname.'</span>',$filesize).'</span>'. + '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage); + return ('will_exceed_quota',$msg); + } elsif ($found_file) { + if ($locked_file) { + my $msg = '<span class="LC_error">'; + $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>','<span class="LC_filename">'.$port_path.$env{'form.currentpath'}.'</span>'); + $msg .= '</span><br />'; + $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.','<span class="LC_filename">'.$fname.'</span>'); + return ('file_locked',$msg); + } else { + my $msg = '<span class="LC_error">'; + $msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'}); + $msg .= '</span>'; + $msg .= '<br />'; + $msg .= &mt('To upload, rename or delete existing [_1] in [_2].','<span class="LC_filename">'.$fname.'</span>', $port_path.$env{'form.currentpath'}); + return ('file_exists',$msg); + } + } +} + =pod @@ -7209,7 +7580,7 @@ Apache Request ref, $records is an array ###################################################### sub csv_print_samples { my ($r,$records) = @_; - my $samples = &get_samples($records,3); + my $samples = &get_samples($records,5); $r->print(&mt('Samples').'<br />'.&start_data_table(). &start_data_table_header_row()); @@ -7264,7 +7635,7 @@ sub csv_print_select_table { foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) { $r->print('<option value="'.$sample.'"'. ($sample eq $defaultcol ? ' selected="selected" ' : ''). - '>Column '.($sample+1).'</option>'); + '>'.&mt('Column [_1]',($sample+1)).'</option>'); } $r->print('</select></td>'.&end_data_table_row()."\n"); $i++; @@ -7295,7 +7666,8 @@ sub csv_samples_select_table { my ($r,$records,$d) = @_; my $i=0; # - my $samples = &get_samples($records,3); + my $max_samples = 5; + my $samples = &get_samples($records,$max_samples); $r->print(&start_data_table(). &start_data_table_header_row().'<th>'. &mt('Field').'</th><th>'.&mt('Samples').'</th>'. @@ -7311,7 +7683,7 @@ sub csv_samples_select_table { $display.'</option>'); } $r->print('</select></td><td>'); - foreach my $line (0..2) { + foreach my $line (0..($max_samples-1)) { if (defined($samples->[$line]{$key})) { $r->print($samples->[$line]{$key}."<br />\n"); } @@ -7922,7 +8294,9 @@ defdom (domain for which to retrieve con origmail (scalar - email address of recipient from loncapa.conf, i.e., predates configuration by DC via domainprefs.pm -Returns: comma separated list of addresses to which to send e-mail. +Returns: comma separated list of addresses to which to send e-mail. + +=back =cut @@ -7973,13 +8347,347 @@ sub build_recipient_list { ############################################################ ############################################################ +=pod + +=head1 Course Catalog Routines + +=over 4 + +=item * &gather_categories() + +Converts category definitions - keys of categories hash stored in +coursecategories in configuration.db on the primary library server in a +domain - to an array. Also generates javascript and idx hash used to +generate Domain Coordinator interface for editing Course Categories. + +Inputs: + +categories (reference to hash of category definitions). + +cats (reference to array of arrays/hashes which encapsulates hierarchy of + categories and subcategories). + +idx (reference to hash of counters used in Domain Coordinator interface for + editing Course Categories). + +jsarray (reference to array of categories used to create Javascript arrays for + Domain Coordinator interface for editing Course Categories). + +Returns: nothing + +Side effects: populates cats, idx and jsarray. + +=cut + +sub gather_categories { + my ($categories,$cats,$idx,$jsarray) = @_; + my %counters; + my $num = 0; + foreach my $item (keys(%{$categories})) { + my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item); + if ($container eq '' && $depth == 0) { + $cats->[$depth][$categories->{$item}] = $cat; + } else { + $cats->[$depth]{$container}[$categories->{$item}] = $cat; + } + my ($escitem,$tail) = split(/:/,$item,2); + if ($counters{$tail} eq '') { + $counters{$tail} = $num; + $num ++; + } + if (ref($idx) eq 'HASH') { + $idx->{$item} = $counters{$tail}; + } + if (ref($jsarray) eq 'ARRAY') { + push(@{$jsarray->[$counters{$tail}]},$item); + } + } + return; +} + +=pod + +=item * &extract_categories() + +Used to generate breadcrumb trails for course categories. + +Inputs: + +categories (reference to hash of category definitions). + +cats (reference to array of arrays/hashes which encapsulates hierarchy of + categories and subcategories). + +trails (reference to array of breacrumb trails for each category). + +allitems (reference to hash - key is category key + (format: escaped(name):escaped(parent category):depth in hierarchy). + +idx (reference to hash of counters used in Domain Coordinator interface for + editing Course Categories). + +jsarray (reference to array of categories used to create Javascript arrays for + Domain Coordinator interface for editing Course Categories). + +subcats (reference to hash of arrays containing all subcategories within each + category, -recursive) + +Returns: nothing + +Side effects: populates trails and allitems hash references. + +=cut + +sub extract_categories { + my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_; + if (ref($categories) eq 'HASH') { + &gather_categories($categories,$cats,$idx,$jsarray); + if (ref($cats->[0]) eq 'ARRAY') { + for (my $i=0; $i<@{$cats->[0]}; $i++) { + my $name = $cats->[0][$i]; + my $item = &escape($name).'::0'; + my $trailstr; + if ($name eq 'instcode') { + $trailstr = &mt('Official courses (with institutional codes)'); + } else { + $trailstr = $name; + } + if ($allitems->{$item} eq '') { + push(@{$trails},$trailstr); + $allitems->{$item} = scalar(@{$trails})-1; + } + my @parents = ($name); + if (ref($cats->[1]{$name}) eq 'ARRAY') { + for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) { + my $category = $cats->[1]{$name}[$j]; + if (ref($subcats) eq 'HASH') { + push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1'); + } + &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats); + } + } else { + if (ref($subcats) eq 'HASH') { + $subcats->{$item} = []; + } + } + } + } + } + return; +} + +=pod + +=item *&recurse_categories() + +Recursively used to generate breadcrumb trails for course categories. + +Inputs: + +cats (reference to array of arrays/hashes which encapsulates hierarchy of + categories and subcategories). + +depth (current depth in hierarchy of categories and sub-categories - 0 indexed). + +category (current course category, for which breadcrumb trail is being generated). + +trails (reference to array of breadcrumb trails for each category). + +allitems (reference to hash - key is category key + (format: escaped(name):escaped(parent category):depth in hierarchy). + +parents (array containing containers directories for current category, + back to top level). + +Returns: nothing + +Side effects: populates trails and allitems hash references + +=cut + +sub recurse_categories { + my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_; + my $shallower = $depth - 1; + if (ref($cats->[$depth]{$category}) eq 'ARRAY') { + for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) { + my $name = $cats->[$depth]{$category}[$k]; + my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower; + my $trailstr = join(' -> ',(@{$parents},$category)); + if ($allitems->{$item} eq '') { + push(@{$trails},$trailstr); + $allitems->{$item} = scalar(@{$trails})-1; + } + my $deeper = $depth+1; + push(@{$parents},$category); + if (ref($subcats) eq 'HASH') { + my $subcat = &escape($name).':'.$category.':'.$depth; + for (my $j=@{$parents}; $j>=0; $j--) { + my $higher; + if ($j > 0) { + $higher = &escape($parents->[$j]).':'. + &escape($parents->[$j-1]).':'.$j; + } else { + $higher = &escape($parents->[$j]).'::'.$j; + } + push(@{$subcats->{$higher}},$subcat); + } + } + &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents, + $subcats); + pop(@{$parents}); + } + } else { + my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower; + my $trailstr = join(' -> ',(@{$parents},$category)); + if ($allitems->{$item} eq '') { + push(@{$trails},$trailstr); + $allitems->{$item} = scalar(@{$trails})-1; + } + } + return; +} + +=pod + +=item *&assign_categories_table() + +Create a datatable for display of hierarchical categories in a domain, +with checkboxes to allow a course to be categorized. + +Inputs: + +cathash - reference to hash of categories defined for the domain (from + configuration.db) + +currcat - scalar with an & separated list of categories assigned to a course. + +Returns: $output (markup to be displayed) + +=cut + +sub assign_categories_table { + my ($cathash,$currcat) = @_; + my $output; + if (ref($cathash) eq 'HASH') { + my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth); + &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray); + $maxdepth = scalar(@cats); + if (@cats > 0) { + my $itemcount = 0; + if (ref($cats[0]) eq 'ARRAY') { + $output = &Apache::loncommon::start_data_table(); + my @currcategories; + if ($currcat ne '') { + @currcategories = split('&',$currcat); + } + for (my $i=0; $i<@{$cats[0]}; $i++) { + my $parent = $cats[0][$i]; + my $css_class = $itemcount%2?' class="LC_odd_row"':''; + next if ($parent eq 'instcode'); + my $item = &escape($parent).'::0'; + my $checked = ''; + if (@currcategories > 0) { + if (grep(/^\Q$item\E$/,@currcategories)) { + $checked = ' checked="checked" '; + } + } + $output .= '<tr '.$css_class.'><td><span class="LC_nobreak">'. + '<input type="checkbox" name="usecategory" value="'. + $item.'"'.$checked.' />'.$parent.'</span>'. + '<input type="hidden" name="catname" value="'.$parent.'" /></td>'; + my $depth = 1; + push(@path,$parent); + $output .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories); + pop(@path); + $output .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>'; + $itemcount ++; + } + $output .= &Apache::loncommon::end_data_table(); + } + } + } + return $output; +} + +=pod + +=item *&assign_category_rows() + +Create a datatable row for display of nested categories in a domain, +with checkboxes to allow a course to be categorized,called recursively. + +Inputs: + +itemcount - track row number for alternating colors + +cats - reference to array of arrays/hashes which encapsulates hierarchy of + categories and subcategories. + +depth - current depth in hierarchy of categories and sub-categories - 0 indexed. + +parent - parent of current category item + +path - Array containing all categories back up through the hierarchy from the + current category to the top level. + +currcategories - reference to array of current categories assigned to the course + +Returns: $output (markup to be displayed). + +=cut + +sub assign_category_rows { + my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_; + my ($text,$name,$item,$chgstr); + if (ref($cats) eq 'ARRAY') { + my $maxdepth = scalar(@{$cats}); + if (ref($cats->[$depth]) eq 'HASH') { + if (ref($cats->[$depth]{$parent}) eq 'ARRAY') { + my $numchildren = @{$cats->[$depth]{$parent}}; + my $css_class = $itemcount%2?' class="LC_odd_row"':''; + $text .= '<td><table class="LC_datatable">'; + for (my $j=0; $j<$numchildren; $j++) { + $name = $cats->[$depth]{$parent}[$j]; + $item = &escape($name).':'.&escape($parent).':'.$depth; + my $deeper = $depth+1; + my $checked = ''; + if (ref($currcategories) eq 'ARRAY') { + if (@{$currcategories} > 0) { + if (grep(/^\Q$item\E$/,@{$currcategories})) { + $checked = ' checked="checked" '; + } + } + } + $text .= '<tr><td><span class="LC_nobreak"><label>'. + '<input type="checkbox" name="usecategory" value="'. + $item.'"'.$checked.' />'.$name.'</label></span>'. + '<input type="hidden" name="catname" value="'.$name.'" />'. + '</td><td>'; + if (ref($path) eq 'ARRAY') { + push(@{$path},$name); + $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories); + pop(@{$path}); + } + $text .= '</td></tr>'; + } + $text .= '</table></td>'; + } + } + } + return $text; +} + +############################################################ +############################################################ + + sub commit_customrole { - my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_; + my ($udom,$uname,$url,$three,$four,$five,$start,$end,$context) = @_; my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url. ($start?', '.&mt('starting').' '.localtime($start):''). ($end?', ending '.localtime($end):'').': <b>'. &Apache::lonnet::assigncustomrole( - $udom,$uname,$url,$three,$four,$five,$end,$start). + $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context). '</b><br />'; return $output; } @@ -8014,7 +8722,7 @@ sub commit_standardrole { $output = &mt('Assigning').' '.$three.' in '.$url. ($start?', '.&mt('starting').' '.localtime($start):''). ($end?', '.&mt('ending').' '.localtime($end):'').': '; - my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start); + my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context); if ($context eq 'auto') { $output .= $result.$linefeed; } else { @@ -8049,7 +8757,7 @@ sub commit_studentrole { } $oldsecurl = $uurl; $expire_role_result = - &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now); + &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context); if ($env{'request.course.sec'} ne '') { if ($expire_role_result eq 'refused') { my @roles = ('st'); @@ -8072,7 +8780,7 @@ sub commit_studentrole { } } if (($expire_role_result eq 'ok') || ($secchange == 0)) { - $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid); + $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context); if ($modify_section_result =~ /^ok/) { if ($secchange == 1) { if ($sec eq '') { @@ -8637,7 +9345,7 @@ sub init_user_environment { } # Give them a new cookie my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'} - : $now); + : $now.$$.int(rand(10000))); $cookie="$username\_$id\_$domain\_$authhost"; # Initialize roles @@ -8752,12 +9460,52 @@ sub init_user_environment { sub _add_to_env { my ($idf,$env_data,$prefix) = @_; - while (my ($key,$value) = each(%$env_data)) { - $idf->{$prefix.$key} = $value; - $env{$prefix.$key} = $value; + if (ref($env_data) eq 'HASH') { + while (my ($key,$value) = each(%$env_data)) { + $idf->{$prefix.$key} = $value; + $env{$prefix.$key} = $value; + } + } +} + +# --- Get the symbolic name of a problem and the url +sub get_symb { + my ($request,$silent) = @_; + (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--; + my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url))); + if ($symb eq '') { + if (!$silent) { + $request->print("Unable to handle ambiguous references:$url:."); + return (); + } + } + &Apache::lonenc::check_decrypt(\$symb); + return ($symb); +} + +# --------------------------------------------------------------Get annotation + +sub get_annotation { + my ($symb,$enc) = @_; + + my $key = $symb; + if (!$enc) { + $key = + &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]); } + my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]); + return $annotation{$key}; } +sub clean_symb { + my ($symb) = @_; + + &Apache::lonenc::check_decrypt(\$symb); + my $enc = $env{'request.enc'}; + delete($env{'request.enc'}); + + return ($symb,$enc); +} =pod