--- loncom/interface/loncommon.pm 2008/03/03 10:50:26 1.643 +++ loncom/interface/loncommon.pm 2009/01/28 13:49:50 1.736 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.643 2008/03/03 10:50:26 foxr Exp $ +# $Id: loncommon.pm,v 1.736 2009/01/28 13:49:50 muellerd Exp $ # # Copyright Michigan State University Board of Trustees # @@ -61,12 +61,15 @@ 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; +use DateTime::Locale::Catalog; # ---------------------------------------------- Designs use vars qw(%defaultdesign); @@ -84,25 +87,40 @@ my $readit; =pod -=head1 Server Side incliude with retries: +=head1 Server Side include with retries: =over 4 -=item * ssi_with_retries(resource, retries form) +=item * &ssi_with_retries(resource,retries form) Performs an ssi with some number of retries. Retries continue either until the result is ok or until the retry count supplied by the caller is exhausted. Inputs: + +=over 4 + resource - Identifies the resource to insert. + retries - Count of the number of retries allowed. + form - Hash that identifies the rendering options. -Returns: +=back + +Returns: + +=over 4 + content - The content of the response. If retries were exhausted this is empty. + response - The response from the last attempt (which may or may not have been successful. +=back + +=back + =cut sub ssi_with_retries { @@ -118,6 +136,9 @@ sub ssi_with_retries { do { ($content, $response) = &Apache::lonnet::ssi($resource, %form); $ok = $response->is_success; + if (!$ok) { + &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message); + } $retries--; } while (!$ok && ($retries > 0)); @@ -250,7 +271,7 @@ BEGIN { } } &Apache::lonnet::logthis( - "INFO: Read file types"); + "INFO: Read file types"); $readit=1; } # end of unless($readit) @@ -266,14 +287,14 @@ BEGIN { =over 4 -=item * browser_and_searcher_javascript () +=item * &browser_and_searcher_javascript() XXReturns a string containing javascript with two functions, C and C. Returned string does not contain EscriptE tags. -=item * openbrowser(formname,elementname,only,omit) [javascript] +=item * &openbrowser(formname,elementname,only,omit) [javascript] inputs: formname, elementname, only, omit @@ -286,7 +307,7 @@ with the given extension. Can be a comm Specifying 'omit' will restrict the browser to NOT displaying files with the given extension. Can be a comma separated list. -=item * opensearcher(formname, elementname) [javascript] +=item * &opensearcher(formname,elementname) [javascript] Inputs: formname, elementname @@ -371,7 +392,7 @@ sub storeresurl { unless ($resurl=~/^\/res/) { return 0; } $resurl=~s/\/$//; &Apache::lonnet::put('environment',{'lastresurl' => $resurl}); - &Apache::lonnet::appenv('environment.lastresurl' => $resurl); + &Apache::lonnet::appenv({'environment.lastresurl' => $resurl}); return 1; } @@ -429,6 +450,25 @@ sub selectstudent_link { return ''; } +sub authorbrowser_javascript { + return <<"ENDAUTHORBRW"; + +ENDAUTHORBRW +} + sub coursebrowser_javascript { my ($domainfilter,$sec_element,$formname)=@_; my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role'); @@ -566,6 +606,12 @@ sub selectcourse_link { '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course').""; } +sub selectauthor_link { + my ($form,$udom)=@_; + return ''. + &mt('Select Author').''; +} + sub check_uncheck_jscript { my $jscript = <<"ENDSCRT"; function checkAll(field) { @@ -591,10 +637,82 @@ ENDSCRT return $jscript; } +sub select_timezone { + my ($name,$selected,$onchange,$includeempty)=@_; + my $output=' menus. The select menus will be linked in that @@ -759,7 +877,7 @@ END =pod -=item * help_open_topic($topic, $text, $stayOnPage, $width, $height) +=item * &help_open_topic($topic,$text,$stayOnPage,$width,$height) Returns a string corresponding to an HTML link to the given help $topic, where $topic corresponds to the name of a .tex file in @@ -808,12 +926,12 @@ sub help_open_topic { if ($text ne "") { $template .= "". - "
$text"; + "$text"; } # Add the graphic my $title = &mt('Online Help'); - my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif"); + my $helpicon=&lonhttpdurl("/adm/help/help.png"); $template .= <<"ENDTEMPLATE"; (Help: $topic) ENDTEMPLATE @@ -825,21 +943,30 @@ ENDTEMPLATE # This is a quicky function for Latex cheatsheet editing, since it # appears in at least four places sub helpLatexCheatsheet { - my $other = shift; + my ($topic,$text,$not_author) = @_; + my $out; my $addOther = ''; - if ($other) { - $addOther = Apache::loncommon::help_open_topic($other, shift, - undef, undef, 600) . + if ($topic) { + $addOther = &Apache::loncommon::help_open_topic($topic,$text, + undef, undef, 600). ''; } - return '
'. - $addOther . - &Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'), - undef,undef,600) - .''. - &Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'), - undef,undef,600) - .'
'; + $out = ''; + unless ($not_author) { + $out .= ''; + } + $out .= '
'. + $addOther . + &Apache::loncommon::help_open_topic("Greek_Symbols",&mt('Greek Symbols'), + undef,undef,600). + ''. + &Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'), + undef,undef,600). + ''. + &Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'), + undef,undef,600). + '
'; + return $out; } sub general_help { @@ -848,6 +975,8 @@ 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; } @@ -1005,7 +1134,7 @@ sub help_open_bug { { $template .= "". - "
$text"; + "$text"; } # Add the graphic @@ -1050,7 +1179,7 @@ sub help_open_faq { { $template .= "". - "'."\n";; } @@ -6257,19 +6894,35 @@ sub default_quota { if ($inststatus ne '') { my @statuses = split(/:/,$inststatus); foreach my $item (@statuses) { - if ($quotahash{'quotas'}{$item} ne '') { - if ($defquota eq '') { - $defquota = $quotahash{'quotas'}{$item}; - $settingstatus = $item; - } elsif ($quotahash{'quotas'}{$item} > $defquota) { - $defquota = $quotahash{'quotas'}{$item}; - $settingstatus = $item; + if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') { + if ($quotahash{'quotas'}{'defaultquota'}{$item} ne '') { + if ($defquota eq '') { + $defquota = $quotahash{'quotas'}{'defaultquota'}{$item}; + $settingstatus = $item; + } elsif ($quotahash{'quotas'}{'defaultquota'}{$item} > $defquota) { + $defquota = $quotahash{'quotas'}{'defaultquota'}{$item}; + $settingstatus = $item; + } + } + } else { + if ($quotahash{'quotas'}{$item} ne '') { + if ($defquota eq '') { + $defquota = $quotahash{'quotas'}{$item}; + $settingstatus = $item; + } elsif ($quotahash{'quotas'}{$item} > $defquota) { + $defquota = $quotahash{'quotas'}{$item}; + $settingstatus = $item; + } } } } } if ($defquota eq '') { - $defquota = $quotahash{'quotas'}{'default'}; + if (ref($quotahash{'quotas'}{'defaultquota'}) eq 'HASH') { + $defquota = $quotahash{'quotas'}{'defaultquota'}{'default'}; + } else { + $defquota = $quotahash{'quotas'}{'default'}; + } $settingstatus = 'default'; } } else { @@ -6675,12 +7328,16 @@ sub instrule_disallow_msg { $text{'action'} = 'IDs'; } } - $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",$domdesc).'
'; + $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",''.$domdesc.'').'
'; 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') { @@ -6710,7 +7367,7 @@ 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') { @@ -6723,13 +7380,51 @@ sub sorted_inst_types { } if (keys(%{$usertypes}) > 0) { $othertitle = &mt('Other users'); - if ($env{'request.course.id'}) { - $othertitle = 'other'; - } } return ($othertitle,$usertypes,\@types); } +sub get_institutional_codes { + my ($settings,$allcourses,$LC_code) = @_; +# Get complete list of course sections to update + my @currsections = (); + my @currxlists = (); + my $coursecode = $$settings{'internal.coursecode'}; + + if ($$settings{'internal.sectionnums'} ne '') { + @currsections = split(/,/,$$settings{'internal.sectionnums'}); + } + + if ($$settings{'internal.crosslistings'} ne '') { + @currxlists = split(/,/,$$settings{'internal.crosslistings'}); + } + + if (@currxlists > 0) { + foreach (@currxlists) { + if (m/^([^:]+):(\w*)$/) { + unless (grep/^$1$/,@{$allcourses}) { + push @{$allcourses},$1; + $$LC_code{$1} = $2; + } + } + } + } + + if (@currsections > 0) { + foreach (@currsections) { + if (m/^(\w+):(\w*)$/) { + my $sec = $coursecode.$1; + my $lc_sec = $2; + unless (grep/^$sec$/,@{$allcourses}) { + push @{$allcourses},$sec; + $$LC_code{$sec} = $lc_sec; + } + } + } + } + return; +} + =pod =back @@ -6738,7 +7433,7 @@ sub sorted_inst_types { =over 4 -=item * get_unprocessed_cgi($query,$possible_names) +=item * &get_unprocessed_cgi($query,$possible_names) Modify the %env hash to contain unprocessed CGI form parameters held in $query. The parameters listed in $possible_names (an array reference), @@ -6767,7 +7462,7 @@ sub get_unprocessed_cgi { =pod -=item * cacheheader() +=item * &cacheheader() returns cache-controlling header code @@ -6784,7 +7479,7 @@ sub cacheheader { =pod -=item * no_cache($r) +=item * &no_cache($r) specifies header code to not have cache @@ -6820,7 +7515,7 @@ sub content_type { =pod -=item * add_to_env($name,$value) +=item * &add_to_env($name,$value) adds $name to the %env hash with value $value, if $name already exists, the entry is converted to an array @@ -6847,7 +7542,7 @@ sub add_to_env { =pod -=item * get_env_multiple($name) +=item * &get_env_multiple($name) gets $name from the %env hash, it seemlessly handles the cases where multiple values may be defined and end up as an array ref. @@ -6870,6 +7565,232 @@ sub get_env_multiple { return(@values); } +sub ask_for_embedded_content { + my ($actionurl,$state,$allfiles,$codebase,$args)=@_; + my $upload_output = ' + '; + $upload_output .= $state; + $upload_output .= 'Upload embedded files:
'.&start_data_table(); + + my $num = 0; + foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) { + $upload_output .= &start_data_table_row(). + ''.&Apache::loncommon::end_data_table_row(); + $num++; + } + $upload_output .= &Apache::loncommon::end_data_table().'
+ + + '.&mt('(only files for which a location has been provided will be uploaded)').' + '; + 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/|) { + $output .= '' + .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].' + ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}) + .'
'; + next; + } else { + $output .= '

'.&mt('Uploaded [_1]',''. + $path.$fname.'').'

'; + } + } 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); + $output .= ''. + &mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}). + '
'; + } else { + if (!print $fh $env{'form.embedded_item_'.$i}) { + &Apache::lonnet::logthis('Failed to write to '.$dest); + $output .= ''. + &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}). + '
'; + } else { + if ($context eq 'testbank') { + $output .= &mt('Embedded file uploaded successfully:'). + ' '. + $orig_uploaded_filename.'
'; + } else { + $output .= ''. + &mt('View embedded file: [_1]',''. + $orig_uploaded_filename.'').'
'; + } + } + close($fh); + } + } + } + return $output; +} + +sub check_for_existing { + my ($path,$fname,$element) = @_; + my ($state,$msg); + if (-d $path.'/'.$fname) { + $state = 'exists'; + $msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].',''.$fname.'',$path); + } elsif (-e $path.'/'.$fname) { + $state = 'exists'; + $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].',''.$fname.'',$path); + } + if ($state eq 'exists') { + $msg = ''.$msg.'
'; + } + 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 $msg = ''. + &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.',''.$fname.'',$filesize).''. + '
'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage); + return ('will_exceed_quota',$msg); + } elsif ($found_file) { + if ($locked_file) { + my $msg = ''; + $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].',''.$fname.'',''.$port_path.$env{'form.currentpath'}.''); + $msg .= '
'; + $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.',''.$fname.''); + return ('file_locked',$msg); + } else { + my $msg = ''; + $msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].',''.$fname.'',$port_path.$env{'form.currentpath'}); + $msg .= ''; + $msg .= '
'; + $msg .= &mt('To upload, rename or delete existing [_1] in [_2].',''.$fname.'', $port_path.$env{'form.currentpath'}); + return ('file_exists',$msg); + } + } +} + =pod @@ -6879,7 +7800,7 @@ sub get_env_multiple { =over 4 -=item * upfile_store($r) +=item * &upfile_store($r) Store uploaded file, $r should be the HTTP Request object, needs $env{'form.upfile'} @@ -6909,7 +7830,7 @@ sub upfile_store { =pod -=item * load_tmp_file($r) +=item * &load_tmp_file($r) Load uploaded file from tmp, $r should be the HTTP Request object, needs $env{'form.datatoken'}, @@ -6933,7 +7854,7 @@ sub load_tmp_file { =pod -=item * upfile_record_sep() +=item * &upfile_record_sep() Separate uploaded file into records returns array of records, @@ -6955,7 +7876,7 @@ sub upfile_record_sep { =pod -=item * record_sep($record) +=item * &record_sep($record) Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'} @@ -7040,7 +7961,7 @@ sub record_sep { =pod -=item * upfile_select_html() +=item * &upfile_select_html() Return HTML code to select a file from the users machine and specify the file type. @@ -7058,7 +7979,7 @@ sub upfile_select_html { # xml => &mt('HTML/XML'), ); my $Str = ''. - '
Type: '; foreach my $type (sort(keys(%Types))) { $Str .= '\n"; } @@ -7087,7 +8008,7 @@ sub get_samples { =pod -=item * csv_print_samples($r,$records) +=item * &csv_print_samples($r,$records) Prints a table of sample values from each column uploaded $r is an Apache Request ref, $records is an arrayref from @@ -7099,7 +8020,7 @@ 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); $r->print(&mt('Samples').'
'.&start_data_table(). &start_data_table_header_row()); @@ -7123,7 +8044,7 @@ sub csv_print_samples { =pod -=item * csv_print_select_table($r,$records,$d) +=item * &csv_print_select_table($r,$records,$d) Prints a table to create associations between values and table columns. @@ -7146,7 +8067,7 @@ sub csv_print_select_table { &end_data_table_header_row()."\n"); foreach my $array_ref (@$d) { my ($value,$display,$defaultcol)=@{ $array_ref }; - $r->print(&start_data_table_row().''); + $r->print(&start_data_table_row().''); $r->print(''.&end_data_table_row()."\n"); $i++; @@ -7169,7 +8090,7 @@ sub csv_print_select_table { =pod -=item * csv_samples_select_table($r,$records,$d) +=item * &csv_samples_select_table($r,$records,$d) Prints a table of sample values from the upload and can make associate samples to internal names. @@ -7185,7 +8106,8 @@ sub csv_samples_select_table { my ($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().''. @@ -7201,7 +8123,7 @@ sub csv_samples_select_table { $display.''); } $r->print(''; + my $depth = 1; + push(@path,$parent); + $output .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories); + pop(@path); + $output .= ''; + $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 .= ''; + } + } + } + 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):'').': '. &Apache::lonnet::assigncustomrole( - $udom,$uname,$url,$three,$four,$five,$end,$start). + $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context). '
'; return $output; } @@ -7904,7 +9164,7 @@ 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 { @@ -7939,7 +9199,7 @@ 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'); @@ -7962,7 +9222,7 @@ 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 '') { @@ -8143,7 +9403,9 @@ sub construct_course { 'policy.email', 'comment.email', 'pch.users.denied', - 'plc.users.denied'], + 'plc.users.denied', + 'hidefromcat', + 'categories'], $$crsudom,$$crsunum); } @@ -8371,10 +9633,10 @@ sub construct_course { $outcome .= ($fatal?$errtext:'read ok').' - '; my $title; my $url; if ($args->{'firstres'} eq 'syl') { - $title='Syllabus'; + $title=&mt('Syllabus'); $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus'; } else { - $title='Navigate Contents'; + $title=&mt('Navigate Contents'); $url='/adm/navmaps'; } @@ -8428,28 +9690,14 @@ sub icon { return &lonhttpdurl($iconname); } -sub lonhttpd_port { - my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'}; - if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; } - # IE doesn't like a secure page getting images from a non-secure - # port (when logging we haven't parsed the browser type so default - # back to secure - if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer') - && $ENV{'SERVER_PORT'} == 443) { - return 443; - } - return $lonhttpd_port; - -} - sub lonhttpdurl { +# +# Had been used for "small fry" static images on separate port 8080. +# Modify here if lightweight http functionality desired again. +# Currently eliminated due to increasing firewall issues. +# my ($url)=@_; - - my $lonhttpd_port = &lonhttpd_port(); - if ($lonhttpd_port == 443) { - return 'https://'.$ENV{'SERVER_NAME'}.$url; - } - return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url; + return $url; } sub connection_aborted { @@ -8527,7 +9775,7 @@ 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 @@ -8615,6 +9863,11 @@ sub init_user_environment { } } + foreach my $tool ('aboutme','blog','portfolio') { + $userenv{'availabletools.'.$tool} = + &Apache::lonnet::usertools_access($username,$domain,$tool,'reload'); + } + $env{'user.environment'} = "$lonids/$cookie.id"; if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id", @@ -8627,8 +9880,8 @@ sub init_user_environment { } untie(%disk_env); } else { - &Apache::lonnet::logthis("WARNING: ". - 'Could not create environment storage in lonauth: '.$!.''); + &Apache::lonnet::logthis("WARNING: ". + 'Could not create environment storage in lonauth: '.$!.''); return 'error: '.$!; } } @@ -8642,12 +9895,54 @@ 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-^https?\://($ENV{'SERVER_NAME'}|$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 ($symb,$delete_enc) = @_; + + &Apache::lonenc::check_decrypt(\$symb); + my $enc = $env{'request.enc'}; + if ($delete_enc) { + delete($env{'request.enc'}); + } + + return ($symb,$enc); +} =pod 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.

$text"; + "$text"; } # Add the graphic @@ -1069,7 +1198,7 @@ ENDTEMPLATE =pod -=item * change_content_javascript(): +=item * &change_content_javascript(): This and the next function allow you to create small sections of an otherwise static HTML page that you can update on the fly with @@ -1124,7 +1253,7 @@ DOMBASED =pod -=item * changable_area($name, $origContent): +=item * &changable_area($name,$origContent): This provides a "changable area" that can be modified on the fly via the Javascript code provided in C. $name is @@ -1148,7 +1277,7 @@ sub changable_area { =pod -=item * viewport_geometry_js { +=item * &viewport_geometry_js Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser. @@ -1195,7 +1324,7 @@ GEOMETRY =pod -=item * viewport_size_js { +=item * &viewport_size_js() Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window. @@ -1219,7 +1348,7 @@ DIMS =pod -=item * resize_textarea_js +=item * &resize_textarea_js() emits the needed javascript to resize a textarea to be as big as possible @@ -1228,6 +1357,7 @@ the id of the element to resize, second surrounds everything that comes after the textarea, this routine needs to be attached to the for the onload and onresize events. +=back =cut @@ -1280,8 +1410,6 @@ RESIZE =pod -=back - =head1 Excel and CSV file utility routines =over 4 @@ -1293,7 +1421,7 @@ RESIZE =pod -=item * csv_translate($text) +=item * &csv_translate($text) Translate $text to allow it to be output as a 'comma separated values' format. @@ -1314,7 +1442,7 @@ sub csv_translate { =pod -=item * define_excel_formats +=item * &define_excel_formats() Define some commonly used Excel cell formats. @@ -1370,7 +1498,7 @@ sub define_excel_formats { =pod -=item * create_workbook +=item * &create_workbook() Create an Excel worksheet. If it fails, output message on the request object and return undefs. @@ -1413,7 +1541,7 @@ sub create_workbook { =pod -=item * create_text_file +=item * &create_text_file() Create a file to write to and eventually make available to the user. If file creation fails, outputs an error message on the request object and @@ -1438,9 +1566,9 @@ 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,$filename) } @@ -1481,7 +1609,7 @@ sub domain_select { =over 4 -=item * multiple_select_form($name,$value,$size,$hash,$order) +=item * &multiple_select_form($name,$value,$size,$hash,$order) Returns a string containing a "; + $output.="\n".' form to allow a user to select options from a hash option_name => displayed text. @@ -1564,17 +1692,17 @@ sub select_form { sub display_filter { if (!$env{'form.show'}) { $env{'form.show'}=10; } if (!$env{'form.displayfilter'}) { $env{'form.displayfilter'}='currentfolder'; } - return ' '. + ' '. &mt('Filter [_1]', &select_form($env{'form.displayfilter'}, 'displayfilter', ('currentfolder' => 'Current folder/page', 'containing' => 'Containing phrase', 'none' => 'None'))). - ''; + ''; } sub gradeleveldescription { @@ -1618,7 +1746,7 @@ sub select_level_form { =pod -=item * select_dom_form($defdom,$name,$includeempty,$showdomdesc) +=item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc) Returns a string containing a
'.$embed_file.''; + if ($args->{'ignore_remote_references'} + && $embed_file =~ m{^\w+://}) { + $upload_output.=''.&mt("URL points to other server.").''; + } elsif ($args->{'error_on_invalid_names'} + && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) { + + $upload_output.=''.&mt("Invalid characters").''; + + } else { + $upload_output .=' + + '; + my $attrib = join(':',@{$$allfiles{$embed_file}}); + $upload_output .= + "\n\t\t". + ''; + if (exists($$codebase{$embed_file})) { + $upload_output .= + "\n\t\t". + ''; + } + } + $upload_output .= '
'.$display.''.$display.''. &mt('Field').''.&mt('Samples').''); - foreach my $line (0..2) { + foreach my $line (0..($max_samples-1)) { if (defined($samples->[$line]{$key})) { $r->print($samples->[$line]{$key}."
\n"); } @@ -7219,7 +8141,7 @@ sub csv_samples_select_table { =pod -=item clean_excel_name($name) +=item * &clean_excel_name($name) Returns a replacement for $name which does not contain any illegal characters. @@ -7238,7 +8160,7 @@ sub clean_excel_name { =pod -=item * check_if_partid_hidden($id,$symb,$udom,$uname) +=item * &check_if_partid_hidden($id,$symb,$udom,$uname) Returns either 1 or undef @@ -7279,7 +8201,7 @@ sub check_if_partid_hidden { =over 4 -=item get_cgi_id +=item * &get_cgi_id() Inputs: none @@ -7303,7 +8225,7 @@ sub get_cgi_id { =pod -=item DrawBarGraph +=item * &DrawBarGraph() Facilitates the plotting of data in a (stacked) bar graph. Puts plot definition data into the users environment in order for @@ -7438,7 +8360,7 @@ sub DrawBarGraph { $ValuesHash{$id.'.'.$key} = $value; } # - &Apache::lonnet::appenv(%ValuesHash); + &Apache::lonnet::appenv(\%ValuesHash); return ''; } @@ -7447,7 +8369,7 @@ sub DrawBarGraph { =pod -=item DrawXYGraph +=item * &DrawXYGraph() Facilitates the plotting of data in an XY graph. Puts plot definition data into the users environment in order for @@ -7528,7 +8450,7 @@ sub DrawXYGraph { $ValuesHash{$id.'.'.$key} = $value; } # - &Apache::lonnet::appenv(%ValuesHash); + &Apache::lonnet::appenv(\%ValuesHash); return ''; } @@ -7537,7 +8459,7 @@ sub DrawXYGraph { =pod -=item DrawXYYGraph +=item * &DrawXYYGraph() Facilitates the plotting of data in an XY graph with two Y axes. Puts plot definition data into the users environment in order for @@ -7630,7 +8552,7 @@ sub DrawXYYGraph { $ValuesHash{$id.'.'.$key} = $value; } # - &Apache::lonnet::appenv(%ValuesHash); + &Apache::lonnet::appenv(\%ValuesHash); return ''; } @@ -7647,7 +8569,7 @@ Bad place for them but what the hell. =over 4 -=item &chartlink +=item * &chartlink() Returns a link to the chart for a specific student. @@ -7686,9 +8608,9 @@ sub chartlink { =over 4 -=item &restore_course_settings +=item * &restore_course_settings() -=item &store_course_settings +=item * &store_course_settings() Restores/Store indicated form parameters from the course environment. Will not overwrite existing values of the form parameters. @@ -7762,7 +8684,7 @@ sub store_settings { 'got error:'.$put_result); } # Make sure these settings stick around in this session, too - &Apache::lonnet::appenv(%AppHash); + &Apache::lonnet::appenv(\%AppHash); return; } @@ -7799,7 +8721,7 @@ sub restore_settings { =over 4 -=item &build_recipient_list +=item * &build_recipient_list() Build recipient lists for three types of e-mail: (a) Error Reports, (b) Package Updates, (c) Help requests, generated by @@ -7812,7 +8734,9 @@ 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 @@ -7840,8 +8764,10 @@ sub build_recipient_list { } elsif ($origmail ne '') { push(@recipients,$origmail); } - if ($defmail ne '') { - push(@recipients,$defmail); + if (defined($defmail)) { + if ($defmail ne '') { + push(@recipients,$defmail); + } } if ($otheremails) { my @others; @@ -7863,13 +8789,347 @@ 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" '; + } + } + $output .= '
'. + ''.$parent.''. + '
'; + 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 .= ''; + } + $text .= '
'. + ''. + ''; + if (ref($path) eq 'ARRAY') { + push(@{$path},$name); + $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories); + pop(@{$path}); + } + $text .= '