--- loncom/homework/lonhomework.pm 2006/02/16 01:24:39 1.235 +++ loncom/homework/lonhomework.pm 2007/11/17 02:51:29 1.285 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # The LON-CAPA Homework handler # -# $Id: lonhomework.pm,v 1.235 2006/02/16 01:24:39 albertel Exp $ +# $Id: lonhomework.pm,v 1.285 2007/11/17 02:51:29 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -49,11 +49,11 @@ use Apache::matchresponse(); use Apache::chemresponse(); use Apache::drawimage(); use Apache::Constants qw(:common); -use HTML::Entities(); use Apache::loncommon(); use Apache::lonlocal; use Time::HiRes qw( gettimeofday tv_interval ); -use Apache::lonnet(); +use HTML::Entities(); +use File::Copy(); # FIXME - improve commenting @@ -63,6 +63,28 @@ BEGIN { } +=pod + +=item set_bubble_lines() + +Called at analysis time to set the bubble lines +hash for the problem.. This should be called in the +end_problemtype tag in analysis mode. + +We fetch the hash of part id counters from lonxml + and push them into analyze:{part_id.bubble_lines}. + +=cut + +sub set_bubble_lines { + my %bubble_counters = &Apache::lonxml::get_bubble_line_hash(); + + foreach my $key (keys(%bubble_counters)) { + $Apache::lonhomework::analyze{"$key.bubble_lines"} = + $bubble_counters{"$key"}; + } +} + # # Decides what targets to render for. # Implicit inputs: @@ -86,13 +108,16 @@ sub get_target { } elsif ( defined($env{'form.grade_target'} ) && ($Apache::lonhomework::viewgrades eq 'F' )) { return ($env{'form.grade_target'}); + } elsif ( $env{'form.grade_target'} eq 'webgrade' + && ($Apache::lonhomework::queuegrade eq 'F' )) { + return ($env{'form.grade_target'}); } if ($env{'form.webgrade'} && - $Apache::lonhomework::modifygrades eq 'F') { + ($Apache::lonhomework::modifygrades eq 'F' + || $Apache::lonhomework::queuegrade eq 'F' )) { return ('grade','webgrade'); } if ( defined($env{'form.submitted'}) && - ( !defined($env{'form.resetdata'})) && ( !defined($env{'form.newrandomization'}))) { return ('grade', 'web'); } else { @@ -109,7 +134,10 @@ sub get_target { return ('web'); } } else { - if ( $env{'form.problemmode'} eq &mt('View') || + if ($env{'form.problemstate'} eq 'WEB_GRADE') { + #$env{'form.webgrade'} = 'yes'; + return ('grade','webgrade','answer'); + } elsif ( $env{'form.problemmode'} eq &mt('View') || $env{'form.problemmode'} eq &mt('Discard Edits and View')) { if ( defined($env{'form.submitted'}) && (!defined($env{'form.resetdata'})) && @@ -121,7 +149,7 @@ sub get_target { } elsif ( $env{'form.problemmode'} eq &mt('Edit') || $env{'form.problemmode'} eq 'Edit') { if ( $env{'form.submitted'} eq 'edit' ) { - if ( $env{'form.submit'} eq &mt('Submit Changes and View') ) { + if ( $env{'form.submit'} eq &mt('Save and View') ) { return ('modified','web','answer'); } else { return ('modified','no_output_web','edit'); @@ -143,12 +171,6 @@ sub setup_vars { # return ';$external::target='.$target.';'; } -sub send_header { - my ($request)= @_; - $request->print(&Apache::lontexconvert::header()); -# $request->print('
'); -} - sub createmenu { my ($which,$request)=@_; if ($which eq 'grade') { @@ -159,16 +181,12 @@ sub createmenu { } } -sub send_footer { - my ($request)= @_; -# $request->print('
'); - $request->print(&Apache::lontexconvert::footer()); -} - sub proctor_checked_in { my ($slot_name,$slot,$type)=@_; my @possible_proctors=split(",",$slot->{'proctor'}); + return 1 if (!@possible_proctors); + my $key; if ($type eq 'Task') { my $version=$Apache::lonhomework::history{'resource.0.version'}; @@ -176,9 +194,14 @@ sub proctor_checked_in { } elsif ($type eq 'problem') { $key ='resource.0.checkedin'; } - + # backward compatability, used to be username@domain, + # now is username:domain + my $who = $Apache::lonhomework::history{$key}; + if ($who !~ /:/) { + $who =~ tr/@/:/; + } foreach my $possible (@possible_proctors) { - if ($Apache::lonhomework::history{$key} eq $possible + if ($who eq $possible && $Apache::lonhomework::history{$key.'.slot'} eq $slot_name) { return 1; } @@ -187,7 +210,6 @@ sub proctor_checked_in { return 0; } -$Apache::lonxml::browse=''; sub check_ip_acc { my ($acc)=@_; &Apache::lonxml::debug("acc is $acc"); @@ -195,7 +217,8 @@ sub check_ip_acc { return 1; } my $allowed=0; - my $ip=$ENV{'REMOTE_ADDR'}; + my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'}; + my $name; foreach my $pattern (split(',',$acc)) { $pattern =~ s/^\s*//; @@ -245,8 +268,9 @@ sub check_slot_access { # does it pass normal muster my ($status,$datemsg)=&check_access($id); - my $useslots = &Apache::lonnet::EXT("resource.$id.useslots"); - if ($useslots ne 'resource') { + my $useslots = &Apache::lonnet::EXT("resource.0.useslots"); + if ($useslots ne 'resource' && $useslots ne 'map' + && $useslots ne 'map_map') { return ($status,$datemsg); } @@ -269,8 +293,8 @@ sub check_slot_access { } my @slots= - (split(':',&Apache::lonnet::EXT("resource.$id.availablestudent")), - split(':',&Apache::lonnet::EXT("resource.$id.available"))); + (split(':',&Apache::lonnet::EXT("resource.0.availablestudent")), + split(':',&Apache::lonnet::EXT("resource.0.available"))); # if (!@slots) { # return ($status,$datemsg); @@ -278,6 +302,7 @@ sub check_slot_access { my $slotstatus='NOT_IN_A_SLOT'; my ($returned_slot,$slot_name); foreach my $slot (@slots) { + $slot =~ s/(^\s*|\s*$)//g; &Apache::lonxml::debug("getting $slot"); my %slot=&Apache::lonnet::get_slot($slot); &Apache::lonhomework::showhash(%slot); @@ -309,12 +334,30 @@ sub check_slot_access { $checkedin = $Apache::lonhomework::history{"resource.$version.0.checkedin"}; } elsif ($type eq 'problem') { - $got_grade = 1; - $checkedin = $Apache::lonhomework::history{"resource.0.checkedin"}; + $got_grade = 1; + $checkedin = $Apache::lonhomework::history{"resource.0.checkedin"}; + $is_correct = + ($Apache::lonhomework::history{"resource.0.solved"} =~/^correct_/); } &Apache::lonxml::debug(" slot is $slotstatus checkedin ($checkedin) got_grade ($got_grade) is_correct ($is_correct)"); + # no slot is currently open, and has been checked in for this version + # but hasn't got a grade, therefore must be awaiting a grade + if (!defined($slot_name) + && $checkedin + && !$got_grade) { + return ('WAITING_FOR_GRADE'); + } + + # no slot is currently open, and has been checked in for this version + # previous slot is therefore CLOSED, so therefore the problem is + if (!defined($slot_name) + && $checkedin + && $type eq 'problem') { + return ('CLOSED',$datemsg); + } + if ($slotstatus eq 'NOT_IN_A_SLOT' && $checkedin ) { @@ -325,9 +368,14 @@ sub check_slot_access { } } + if ( $is_correct) { + if ($type eq 'problem') { + return ($status); + } return ('SHOW_ANSWER'); } + if ( $status eq 'CANNOT_ANSWER' && ($slotstatus ne 'NEEDS_CHECKIN' && $slotstatus ne 'NOT_IN_A_SLOT')) { return ($status,$datemsg); @@ -350,8 +398,8 @@ sub check_access { if ($env{'request.state'} eq "construct") { if ($env{'form.problemstate'}) { if ($env{'form.problemstate'} =~ /^CANNOT_ANSWER/) { - if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct' && - lc($Apache::lonhomework::problemstatus) eq 'no')) { + if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct' + && &hide_problem_status())) { return ('CANNOT_ANSWER', &mt('is in this state due to author settings.')); } @@ -369,7 +417,7 @@ sub check_access { &Apache::lonxml::debug("checking for part :$id:"); &Apache::lonxml::debug("time:".time); - my ($symb)=&Apache::lonxml::whichuser(); + my ($symb)=&Apache::lonnet::whichuser(); &Apache::lonxml::debug("symb:".$symb); #if ($env{'request.state'} ne "construct" && $symb ne '') { if ($env{'request.state'} ne "construct") { @@ -382,7 +430,12 @@ sub check_access { foreach my $temp ("opendate","duedate","answerdate") { $lastdate = $date; - $date = &Apache::lonnet::EXT("resource.$id.$temp"); + if ($temp eq 'duedate') { + $date = &due_date($id); + } else { + $date = &Apache::lonnet::EXT("resource.$id.$temp"); + } + my $thistype = &Apache::lonnet::EXT("resource.$id.$temp.type"); if ($thistype =~ /^(con_lost|no_such_host)/ || $date =~ /^(con_lost|no_such_host)/) { @@ -405,7 +458,7 @@ sub check_access { $date = &mt("an indeterminate date"); $passed = 0; } else { if (time < $date) { $passed = 0; } else { $passed = 1; } - $date = localtime $date; + $date = &Apache::lonlocal::locallocaltime($date); } if (!$passed) { $type=$temp; last; } } @@ -436,11 +489,15 @@ sub check_access { # if (correct and show prob status) or excused then CANNOT_ANSWER if(($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/ && - lc($Apache::lonhomework::problemstatus) ne 'no') + &show_problem_status()) || $Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) { $status = 'CANNOT_ANSWER'; } + if ($status eq 'CANNOT_ANSWER' + && &show_answer_problem_status()) { + $status = 'SHOW_ANSWER'; + } } if ($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER') { my $interval=&Apache::lonnet::EXT("resource.$id.interval"); @@ -450,18 +507,16 @@ sub check_access { &Apache::lonxml::debug("looking for accesstime $first_access"); if (!$first_access) { $status='NOT_YET_VIEWED'; - $datemsg=&seconds_to_human_length($interval); - } else { - my $newdate=localtime($first_access+$interval); - if (time > ($first_access+$interval)) { - $status='CLOSED'; - $datemsg = &mt("was due on")." $newdate".&mt(", and answers will be available on")." $date"; - } else { - $datemsg = &mt("is due at")." $newdate"; + my $due_date = &due_date($id); + my $seconds_left = $due_date - time; + if ($seconds_left > $interval || $due_date eq '') { + $seconds_left = $interval; } + $datemsg=&seconds_to_human_length($seconds_left); } } } + #if (($status ne 'CLOSED') && ($Apache::lonhomework::type eq 'exam') && # (!$Apache::lonhomework::history{"resource.0.outtoken"})) { # return ('UNCHECKEDOUT','needs to be checked out'); @@ -477,6 +532,31 @@ sub check_access { return ($status,$datemsg); } +# this should work exactly like the copy in lonnavmaps.pm +sub due_date { + my ($part_id,$symb,$udom,$uname)=@_; + my $date; + my $interval= &Apache::lonnet::EXT("resource.$part_id.interval",$symb, + $udom,$uname); + &Apache::lonxml::debug("looking for interval $part_id $symb $interval"); + my $due_date= &Apache::lonnet::EXT("resource.$part_id.duedate",$symb, + $udom,$uname); + &Apache::lonxml::debug("looking for due_date $part_id $symb $due_date"); + if ($interval =~ /\d+/) { + my $first_access=&Apache::lonnet::get_first_access('map',$symb); + &Apache::lonxml::debug("looking for first_access $first_access"); + if (defined($first_access)) { + $interval = $first_access+$interval; + $date = (!$due_date || $interval < $due_date) ? $interval + : $due_date; + } else { + $date = $due_date; + } + } else { + $date = $due_date; + } + return $date +} sub seconds_to_human_length { my ($length)=@_; @@ -549,13 +629,15 @@ sub setuppermissions { $viewgrades = &Apache::lonnet::allowed('vgr',$env{'request.course.id'}. '/'.$env{'request.course.sec'}); } - $Apache::lonhomework::viewgrades = $viewgrades; # File global variable...dirt. + $Apache::lonhomework::viewgrades = $viewgrades; + if ($Apache::lonhomework::browse eq 'F' && $env{'form.devalidatecourseresdata'} eq 'on') { - my (undef,$courseid) = &Apache::lonxml::whichuser(); + my (undef,$courseid) = &Apache::lonnet::whichuser(); &Apache::lonnet::devalidatecourseresdata($env{"course.$courseid.num"}, $env{"course.$courseid.domain"}); } + my $modifygrades = &Apache::lonnet::allowed('mgr',$env{'request.course.id'}); if (! $modifygrades && exists($env{'request.course.sec'}) && @@ -565,9 +647,26 @@ sub setuppermissions { '/'.$env{'request.course.sec'}); } $Apache::lonhomework::modifygrades = $modifygrades; + + my $queuegrade = &Apache::lonnet::allowed('mqg',$env{'request.course.id'}); + if (! $queuegrade && + exists($env{'request.course.sec'}) && + $env{'request.course.sec'} !~ /^\s*$/) { + $queuegrade = + &Apache::lonnet::allowed('qgr',$env{'request.course.id'}. + '/'.$env{'request.course.sec'}); + } + $Apache::lonhomework::queuegrade = $queuegrade; return ''; } +sub unset_permissions { + undef($Apache::lonhomework::queuegrade); + undef($Apache::lonhomework::modifygrades); + undef($Apache::lonhomework::viewgrades); + undef($Apache::lonhomework::browse); +} + sub setupheader { my $request=$_[0]; &Apache::loncommon::content_type($request,'text/html'); @@ -587,38 +686,55 @@ sub handle_save_or_undo { my $filebak =$file.".bak"; my $filetmp =$file.".tmp"; my $error=0; - - &Apache::lonnet::correct_line_ends($result); - if ($env{'form.Undo'} eq &mt('undo')) { my $error=0; - if (!copy($file,$filetmp)) { $error=1; } - if ((!$error) && (!copy($filebak,$file))) { $error=1; } - if ((!$error) && (!move($filetmp,$filebak))) { $error=1; } + if (!&File::Copy::copy($file,$filetmp)) { $error=1; } + if ((!$error) && (!&File::Copy::copy($filebak,$file))) { $error=1; } + if ((!$error) && (!&File::Copy::move($filetmp,$filebak))) { $error=1; } if (!$error) { - &Apache::lonxml::info("

".&mt("Undid changes, Switched")." $filebak ".&mt("and")." $file

"); + &Apache::lonxml::info("

". + &mt("Undid changes, Switched [_1] and [_2]", + ''.$filebak. + '', + ''.$file. + '')."

"); } else { - &Apache::lonxml::info("

".&mt("Unable to undo, unable to switch")." $filebak ".&mt("and")." $file

"); + &Apache::lonxml::info("

". + &mt("Unable to undo, unable to switch [_1] and [_2]", + ''. + $filebak.'', + ''. + $file.'')."

"); $error=1; } } else { + &Apache::lonnet::correct_line_ends($result); my $fs=Apache::File->new(">$filebak"); if (defined($fs)) { print $fs $$problem; - &Apache::lonxml::info("".&mt("Making Backup to"). - " $filebak"); + &Apache::lonxml::info("".&mt("Making Backup to [_1]", + ''. + $filebak.''). + ""); } else { - &Apache::lonxml::info("".&mt("Unable to make backup")." $filebak"); + &Apache::lonxml::info("". + &mt("Unable to make backup [_1]", + ''. + $filebak.'').""); $error=2; } my $fh=Apache::File->new(">$file"); if (defined($fh)) { print $fh $$result; - &Apache::lonxml::info("".&mt("Saving Modifications to"). - " $file"); + &Apache::lonxml::info("".&mt("Saving Modifications to [_1]", + ''. + $file.'' ).""); } else { - &Apache::lonxml::info("". - &mt("Unable to write to")." $file"); + &Apache::lonxml::info(''. + &mt("Unable to write to [_1]", + ''. + $file.''). + ''); $error|=4; } } @@ -627,20 +743,22 @@ sub handle_save_or_undo { sub analyze_header { my ($request) = @_; - my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef, - ($env{'environment.remote'} ne 'off')); - my $html=&Apache::lonxml::xmlbegin(); - my $result.=$html.' - '.&mt("Analyzing a problem").' - '.$bodytag.&Apache::lonxml::message_location().' + my $result = + &Apache::loncommon::start_page('Analyzing a problem',undef); + + $result .= + &Apache::lonxml::message_location().'
'. &Apache::structuretags::remember_problem_state().' +
-
+
+ -
+
+
'; &Apache::lonxml::add_messages(\$result); $request->print($result); @@ -649,8 +767,7 @@ sub analyze_header { sub analyze_footer { my ($request) = @_; - my $result=''; - $request->print($result); + $request->print(&Apache::loncommon::end_page()); $request->rflush(); } @@ -687,36 +804,57 @@ sub analyze { if ($analyze{$part.'.type'} eq 'numericalresponse' || $analyze{$part.'.type'} eq 'stringresponse' || $analyze{$part.'.type'} eq 'formularesponse' ) { - my $concatanswer=join("\0",@{ $analyze{$part.'.answer'} }); - if (($concatanswer eq '') || ($concatanswer=~/^\@/)) { - @{$analyze{$part.'.answer'}}=(''.&mt('Error').''); + foreach my $name (keys(%{ $analyze{$part.'.answer'} })) { + my $i=0; + foreach my $answer_part (@{ $analyze{$part.'.answer'}{$name} }) { + push( @{ $overall{$part.'.answer'}[$i] }, + $answer_part); + my $concatanswer= join("\0",@{ $answer_part }); + if (($concatanswer eq '') || ($concatanswer=~/^\@/)) { + $answer_part = [''.&mt('Error').'']; + } + $seedexample{join("\0",$part,$i,@{$answer_part})}= + $thisseed; + $i++; + } + } + if (!keys(%{ $analyze{$part.'.answer'} })) { + my $answer_part = + [''.&mt('Error').'']; + $seedexample{join("\0",$part,0,@{$answer_part})}= + $thisseed; + push( @{ $overall{$part.'.answer'}[0] }, + $answer_part); } - push( @{ $overall{$part.'.answer'} }, - [@{ $analyze{$part.'.answer'} }]); - $seedexample{join("\0",@{ $analyze{$part.'.answer'}})}=$thisseed; } } } &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state, &mt('Analyzing Results')); - $request->print('
'.&mt('List of possible answers').': '); + $request->print('
'.&mt('List of possible answers').': '); foreach my $part (sort(keys(%allparts))) { if (defined(@{ $overall{$part.'.answer'} })) { - my $num_cols=scalar(@{ $overall{$part.'.answer'}->[0] }); - $request->print(''); - my %frequency; - foreach my $answer (sort {$a->[0] <=> $b->[0]} (@{ $overall{$part.'.answer'} })) { - $frequency{join("\0",@{ $answer })}++; - } - $request->print(''); - foreach my $answer (sort {(split("\0",$a))[0] <=> (split("\0",$b))[0]} (keys(%frequency))) { - $request->print(''); + for (my $i=0;$iprint('
'.&mt('Part').' '.$part.'
'.&mt('Answer').''.&mt('Frequency').'
(' - .&mt('click for example').')
'. - join('',split("\0",$answer)). - ''.$frequency{$answer}. - '
'); + my %frequency; + foreach my $answer (sort {$a->[0] <=> $b->[0]} (@{ $overall{$part.'.answer'}[$i] })) { + $frequency{join("\0",@{ $answer })}++; + } + $request->print(''); + foreach my $answer (sort {(split("\0",$a))[0] <=> (split("\0",$b))[0]} (keys(%frequency))) { + $request->print(''); + } + $request->print('
'.&mt('Part').' '.$part); + if (scalar(@{ $overall{$part.'.answer'} }) > 1) { + $request->print(&mt(' Answer [_1]',$i+1)); + } + $request->print('
'.&mt('Answer').''.&mt('Frequency').'
(' + .&mt('click for example').')
'. + join('',split("\0",$answer)). + ''.$frequency{$answer}. + '
'); } - $request->print(''); } else { $request->print('

'.&mt('Response').' '.$part.' '. &mt('is not analyzable at this time').'

'); @@ -731,6 +869,41 @@ sub analyze { return $result; } +{ + my $show_problem_status; + sub reset_show_problem_status { + undef($show_problem_status); + } + + sub set_show_problem_status { + my ($new_status) = @_; + $show_problem_status = lc($new_status); + } + + sub hide_problem_status { + return ($show_problem_status eq 'no' + || $show_problem_status eq 'no_feedback_ever'); + } + + sub show_problem_status { + return ($show_problem_status eq 'yes' + || $show_problem_status eq 'answer' + || $show_problem_status eq ''); + } + + sub show_some_problem_status { + return ($show_problem_status eq 'no'); + } + + sub show_no_problem_status { + return ($show_problem_status eq 'no_feedback_ever'); + } + + sub show_answer_problem_status { + return ($show_problem_status eq 'answer'); + } +} + sub editxmlmode { my ($request,$file) = @_; my $result; @@ -746,7 +919,7 @@ sub editxmlmode { if (!$error) { $problem=&Apache::lonnet::getfile($file); } } &Apache::lonhomework::showhashsubset(\%env,'^form'); - if ( $env{'form.submit'} eq &mt('Submit Changes and View') ) { + if ( $env{'form.submit'} eq &mt('Save and View') ) { &Apache::lonhomework::showhashsubset(\%env,'^form'); $env{'form.problemmode'}='View'; &renderpage($request,$file); @@ -756,37 +929,57 @@ sub editxmlmode { &Apache::loncommon::helpLatexCheatsheet("Problem_Editor_XML_Index", "Problem Editing Help"). ''. - &Apache::loncommon::help_open_menu('',undef,undef,undef,5,'Authoring'). + &Apache::loncommon::help_open_menu(undef,undef,5,'Authoring'). ''; if ($cols > 80) { $cols = 80; } if ($cols < 70) { $cols = 70; } if ($rows < 20) { $rows = 20; } - my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef, - ($env{'environment.remote'} ne 'off')); - my $html=&Apache::lonxml::xmlbegin(); - my $head="EditXML $file". - &Apache::edit::js_change_detection().""; + my $js = + &Apache::edit::js_change_detection(). + &Apache::loncommon::resize_textarea_js(); + my $only_body = ($env{'environment.remote'} eq 'off')? 0 : 1; + my $start_page = + &Apache::loncommon::start_page(&mt("EditXML [_1]",$file),$js, + {'no_auto_mt_title' => 1, + 'only_body' => $only_body, + 'add_entries' => { + 'onresize' => q[resize_textarea('LC_editxmltext','LC_aftertextarea')], + 'onload' => q[resize_textarea('LC_editxmltext','LC_aftertextarea')], + }}); - $result.=$html.$head.$bodytag. + $result.=$start_page. &renderpage($request,$file,['no_output_web'],1). - &Apache::lonxml::message_location().' -
'. &Apache::structuretags::remember_problem_state().' - - - - -
- - -
- ' . $xml_help . ' -
- - -
'; +
+ +
+ '.&mt('Problem Editing').&Apache::loncommon::help_open_topic('Problem_Editor_XML_Index').' + + '.&Apache::loncommon::helpLatexCheatsheet().' +
+
+ + + + +
+
+ + +
+
+ '.&Apache::lonxml::message_location().' +
+ ' . ' + +
+
+ '.&Apache::loncommon::end_page(); &Apache::lonxml::add_messages(\$result); $request->print($result); } @@ -802,6 +995,7 @@ sub renderpage { my @targets = @{$targets || [&get_target()]}; &Apache::lonhomework::showhashsubset(\%env,'form.'); &Apache::lonxml::debug("Running targets ".join(':',@targets)); + my $overall_result; foreach my $target (@targets) { # FIXME need to do something intelligent when a problem goes @@ -819,9 +1013,16 @@ sub renderpage { my $problem=&Apache::lonnet::getfile($file); my $result; if ($problem eq -1) { - my $filename=(split('/',$file))[-1]; - $result.=" ".&mt('Unable to find')." $filename"; $problem=''; + my $filename=(split('/',$file))[-1]; + my $error = + " ".&mt('Unable to find [_1]', + ' '.$filename.'') + .""; + $result.= + &Apache::loncommon::simple_error_page($request,'Not available', + $error); + return; } my %mystyle; @@ -832,7 +1033,7 @@ sub renderpage { &Apache::lonxml::debug("Should be parsing now"); $result .= &Apache::lonxml::xmlparse($request, $target, $problem, &setup_vars($target),%mystyle); - undef($Apache::lonhomework::parsing_a_problem); + &finished_parsing(); if (!$output) { $result = ''; } #$request->print("Result follows:"); if ($target eq 'modified') { @@ -863,50 +1064,54 @@ sub renderpage { } } -# with no arg it returns a HTML \n'; + my $glob_extension = $extension; + if ($extension eq 'survey' || $extension eq 'exam') { + $glob_extension = 'problem'; + } + my @files = glob($Apache::lonnet::perlvar{'lonIncludes'}. + '/templates/*.'.$glob_extension); + @files = map {[$_,&mt(&Apache::lonnet::metadata($_, 'title'))]} (@files); + @files = sort {$a->[1] cmp $b->[1]} (@files); + foreach my $file (@files) { + next if ($file->[1] !~ /\S/); + $result .= + '
'; } return $result; } sub newproblem { my ($request) = @_; - my $extension=$request->uri; - $extension=~s:^.*\.([\w]+)$:$1:; - &Apache::lonxml::debug("Looking for :$extension:"); - my $templatelist=&get_template_list('',$extension); - if ($env{'form.template'} && - $env{'form.template'} ne "Select a $extension template") { - use File::Copy; - my $file = &get_template_list($env{'form.template'},$extension); + + if ($env{'form.template'}) { + my $file = $env{'form.template'}; my $dest = &Apache::lonnet::filelocation("",$request->uri); - copy($file,$dest); + &File::Copy::copy($file,$dest); &renderpage($request,$dest); - } elsif($env{'form.newfile'} && !$templatelist) { - # I don't like hard-coded filenames but for now, this will work. - use File::Copy; + return; + } + + my ($extension) = ($request->uri =~ m/\.(\w+)$/); + &Apache::lonxml::debug("Looking for :$extension:"); + my $templatelist=&get_template_list($extension); + if ($env{'form.newfile'} && !$templatelist) { + # no templates found my $templatefilename = - $request->dir_config('lonIncludes').'/templates/blank.problem'; + $request->dir_config('lonIncludes').'/templates/blank.'.$extension; &Apache::lonxml::debug("$templatefilename"); my $dest = &Apache::lonnet::filelocation("",$request->uri); - copy($templatefilename,$dest); + &File::Copy::copy($templatefilename,$dest); &renderpage($request,$dest); } else { my $url=&HTML::Entities::encode($request->uri,'<>&"'); @@ -914,58 +1119,48 @@ sub newproblem { $shownurl=~s-^/~-/priv/-; my $dest = &Apache::lonnet::filelocation("",$request->uri); my $errormsg; - if ($env{'form.newfile'}) { - $errormsg='

'.&mt('You did not select a template.').'

'."\n"; - } my $instructions; - my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef, - ($env{'environment.remote'} ne 'off')); - if ($templatelist) { $instructions=&mt(", select a template from the pull-down menu below.").'
'.&mt("Then");} - my %lt=&Apache::lonlocal::texthash( 'create' => 'Creating a new', - 'resource' => 'resource', - 'requested' => 'The requested file', - 'not exist' => 'currently does not exist', - 'createnew' => 'To create a new', - 'click' => 'click on the', - 'Create' => 'Create', - 'button' => 'button'); - $request->print(<$lt{'create'} $extension $lt{'resource'} + my $start_page = + &Apache::loncommon::start_page("Create New $extension"); + $request->print(" +$start_page +

".&mt("Creating a new $extension resource.")."

$errormsg -$lt{'requested'} $shownurl $lt{'not exist'}. +".&mt("The requested file [_1] currently does not exist.", + "$shownurl")."

-$lt{'createnew'} $extension$instructions $lt{'click'} "$lt{'Create'} $extension" $lt{'button'}. -

-

-ENDNEWPROBLEM + +".&mt("To create a new $extension, select a template from the". + " list below. Then click on the \"Create $extension\" button.")." +

"); + if (defined($templatelist)) { - $request->print(""); + $request->print($templatelist); + } + $request->print('
'); + $request->print("

".&Apache::loncommon::end_page()); + } + return; +} + +sub update_construct_style { + if ($env{'request.state'} eq "construct" + && $env{'form.problemmode'} eq &mt('View') + && defined($env{'form.submitted'}) + && !defined($env{'form.resetdata'}) + && !defined($env{'form.newrandomization'})) { + if ((!$env{'form.style_file'} && $env{'construct.style'}) + ||$env{'form.clear_style_file'}) { + &Apache::lonnet::delenv('construct\\.style'); + } elsif ($env{'form.style_file'} + && $env{'construct.style'} ne $env{'form.style_file'}) { + &Apache::lonnet::appenv('construct.style' => + $env{'form.style_file'}); } - $request->print("
"); - $request->print("

"); } - return ''; } -sub view_or_edit_menu { - my ($request) = @_; - my $url=&HTML::Entities::encode($request->uri,'<>&"'); - my %lt=&Apache::lonlocal::texthash( 'would' => 'Would you like to', - 'view' => 'View', - 'Edit' => 'edit', - 'or' => 'or', - 'the problem' => 'the problem'); - $request->print(< -
-$lt{'would'} -<{'or'} -<{'the problem'}. -
- -EDITMENU -} sub handler { #my $t0 = [&gettimeofday()]; @@ -990,13 +1185,18 @@ sub handler { if ($Apache::lonhomework::browse ne 'F' && $env{'request.state'} ne "construct") { #should know where we are, so ask - $request->internal_redirect('/adm/ambiguous'); return OK; + &unset_permissions(); + $request->internal_redirect('/adm/ambiguous'); + return OK; } } - if (&setupheader($request)) { return OK; } - &Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:"); + if (&setupheader($request)) { + &unset_permissions(); + return OK; + } + &Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:$Apache::lonhomework::modifygrades:$Apache::lonhomework::queuegrade"); &Apache::lonxml::debug("Problem Mode ".$env{'form.problemmode'}); - my ($symb) = &Apache::lonxml::whichuser(); + my ($symb) = &Apache::lonnet::whichuser(); &Apache::lonxml::debug('symb is '.$symb); if ($env{'request.state'} eq "construct") { if ( -e $file ) { @@ -1004,7 +1204,6 @@ sub handler { ['problemmode']); if (!(defined $env{'form.problemmode'})) { #first visit to problem in construction space - #&view_or_edit_menu($request); $env{'form.problemmode'}='View'; &renderpage($request,$file); } elsif ($env{'form.problemmode'} eq &mt('EditXML') || @@ -1013,6 +1212,7 @@ sub handler { } elsif ($env{'form.problemmode'} eq &mt('Calculate answers')) { &analyze($request,$file); } else { + &update_construct_style(); &renderpage($request,$file); } } else { @@ -1026,9 +1226,9 @@ sub handler { } #my $td=&tv_interval($t0); #&Apache::lonxml::debug("Spent $td seconds processing"); - # &Apache::lonhomework::send_footer($request); # always turn off debug messages $Apache::lonxml::debug=0; + &unset_permissions(); return OK; }