--- loncom/homework/structuretags.pm 2011/07/04 13:01:57 1.490 +++ loncom/homework/structuretags.pm 2024/03/01 17:05:45 1.512.2.24.2.14 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # definition of tags that give a structure to a document # -# $Id: structuretags.pm,v 1.490 2011/07/04 13:01:57 raeburn Exp $ +# $Id: structuretags.pm,v 1.512.2.24.2.14 2024/03/01 17:05:45 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -61,7 +61,10 @@ use Apache::lonlocal; use Apache::lonxml; use Apache::londefdef; use Apache::lonenc(); +use Apache::loncommon(); +use Apache::lonnavmaps; use Time::HiRes qw( gettimeofday tv_interval ); +use HTML::Entities(); use lib '/home/httpd/lib/perl/'; use LONCAPA; @@ -69,6 +72,105 @@ BEGIN { &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startpartmarker','startouttext','endpartmarker','endouttext','simpleeditbutton','definetag')); } + +#--------------------------------------------------------------------------------- +# +# This section of code deals with hyphenation management. +# We must do three things: +# - keep track fo the desired languages to alter the header. +# - provide hyphenation selection as needed by each language that appears in the +# text. +# - Provide the header text needed to make available the desired hyphenations. +# +# + +# Hash whose keys are the languages encountered in the document/resource. +# + +my %languages_required; +## +# Given a language selection as input returns a chunk of LaTeX that +# selects the required hyphenator. +# +# @param language - the language being selected. +# @return string +# @retval The LaTeX needed to select the hyphenation appropriate to the language. +# +sub select_hyphenation { + my $language = shift; + + $language = &Apache::loncommon::latexlanguage($language); # Translate -> latex language. + + # If there is no latex language there's not much we can do: + + if ($language) { + &require_language($language); + my $babel_hyphenation = "\\selectlanguage{$language}"; + + return $babel_hyphenation; + } else { + return ''; + } +} +## +# Selects hyphenation based on the current problem metadata. +# This requires that +# - There is a language metadata item set for the problem. +# - The language has a latex/babel hyphenation. +# +# @note: Uses &Apache::lonxml::request to locate the Uri associated with +# this problem. +# @return string (possibly empty). +# @retval If not empty an appropriate \selectlanguage{} directive. +# +sub select_metadata_hyphenation { + my $uri = $Apache::lonxml::request->uri; + my $language = &Apache::lonnet::metadata($uri, 'language'); + my $latex_language = &Apache::loncommon::latexhyphenation($language); + if ($latex_language) { + return '\selectlanguage{'.$latex_language."}\n"; + } + return ''; # no latex hyphenation or no lang metadata. +} + + +## +# Clears the set of languages required by the document being rendered. +# +sub clear_required_languages { + %languages_required = (); +} +## +# Allows an external client of this module to register a need for a language: +# +# @param LaTeX language required: +# +sub require_language { + my $language = shift; + $languages_required{$language} = 1; +} + +## +# Provides the header for babel that indicates the languages +# the document requires. +# @return string +# @retval \usepackage[lang1,lang2...]{babel} +# @retval '' if there are no languages_required. +sub languages_header { + my $header =''; + my @languages = (keys(%languages_required)); + + # Only generate the header if there are languages: + + if (scalar @languages) { + my $language_list = join(',', (@languages)); + $header = '\usepackage['.$language_list."]{babel}\n"; + } + return $header; +} + +#---------------------------------------------------------------------------------- + sub start_web { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; if ($target ne 'edit' && $target ne 'modified') { @@ -124,13 +226,78 @@ sub end_tex { } sub homework_js { + my ($postsubmit,$timeout); + if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) { + my $crstype; + if (&Apache::loncommon::course_type() eq 'Community') { + $crstype = 'community'; + } else { + if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) { + $crstype = 'official'; + } elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) { + $crstype = 'textbook'; + } else { + $crstype = 'unofficial'; + } + } + $postsubmit = $env{'course.'.$env{'request.course.id'}.'.internal.postsubmit'}; + if ($postsubmit eq '') { + my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'}); + $postsubmit = $domdefs{'postsubmit'}; + unless ($postsubmit eq 'off') { + $timeout = $domdefs{$crstype.'postsubtimeout'}; + } + } elsif ($postsubmit eq '0') { + $postsubmit = 'off'; + } elsif ($postsubmit eq '1') { + $postsubmit = 'on'; + $timeout = $env{'course.'.$env{'request.course.id'}.'.internal.postsubtimeout'}; + if ($timeout eq '') { + my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'}); + $timeout = $domdefs{$crstype.'postsubtimeout'}; + } + } + if ($timeout eq '') { + $timeout = 60; + } + } else { + my %domdefs = &Apache::lonnet::get_domain_defaults($env{'request.role.domain'}); + $postsubmit = $domdefs{'postsubmit'}; + unless ($postsubmit eq 'off') { + $timeout = 60; + } + } + my $jstimeout = 0; + if ($timeout) { + $jstimeout = 1000 * $timeout; + } return &Apache::loncommon::resize_textarea_js(). - &setmode_javascript(). - <<'JS'; + &Apache::loncommon::colorfuleditor_js(). + &Apache::lonxml::setmode_javascript(). + <<"JS"; -JS -} - -sub setmode_javascript { - return <<"ENDSCRIPT"; - -ENDSCRIPT -} -sub file_delchk_js { - my $delfilewarn = &mt('You have indicated you wish to remove some files previously included in your submission.').'\\n'. - &mt('Continue submission with these files removed?'); - return <<"ENDSCRIPT"; - -ENDSCRIPT +JS } sub page_start { @@ -226,14 +404,87 @@ sub page_start { $extra_head .= &homework_js(). &Apache::lonhtmlcommon::dragmath_js("EditMathPopup"); if (&Apache::lonhtmlcommon::htmlareabrowser()) { - my %textarea_args = ( + my %textarea_args; + if (($env{'request.state'} ne 'construct') || + (&Apache::loncommon::nocodemirror())) { + %textarea_args = ( dragmath => 'math', ); + } $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args); } my $is_task = ($env{'request.uri'} =~ /\.task$/); + my ($needs_upload,$partlist); + my ($symb)= &Apache::lonnet::whichuser(); + my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb); if ($is_task) { - $extra_head .= &file_delchk_js(); + $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js(); + } else { + if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') { + unless ($env{'request.state'} eq 'construct') { + my $navmap = Apache::lonnavmaps::navmap->new(); + if (ref($navmap)) { + my $mapres = $navmap->getResourceByUrl($map); + my $is_page; + if (ref($mapres)) { + $is_page = $mapres->is_page(); + } + unless ($is_page) { + $needs_upload = 1; + } + if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) { + my $res = $navmap->getBySymb($symb); + if (ref($res)) { + $partlist = $res->parts(); + } + } + } + } + } else { + unless ($env{'request.state'} eq 'construct') { + my $navmap = Apache::lonnavmaps::navmap->new(); + if (ref($navmap)) { + my $mapres = $navmap->getResourceByUrl($map); + my $is_page; + if (ref($mapres)) { + $is_page = $mapres->is_page(); + } + if ($is_page) { + if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) { + my $res = $navmap->getBySymb($symb); + if (ref($res)) { + $partlist = $res->parts(); + } + } + } else { + my $res = $navmap->getBySymb($symb); + if (ref($res)) { + $partlist = $res->parts(); + if (ref($partlist) eq 'ARRAY') { + foreach my $part (@{$partlist}) { + my @types = $res->responseType($part); + my @ids = $res->responseIds($part); + for (my $i=0; $i < scalar(@ids); $i++) { + if ($types[$i] eq 'essay') { + my $partid = $part.'_'.$ids[$i]; + if (&Apache::lonnet::EXT("resource.$partid.uploadedfiletypes") ne '') { + $needs_upload = 1; + last; + } + } + } + } + } + } + } + } + } + } + if ($needs_upload) { + $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js(). + ''; + } } my %body_args; @@ -251,6 +502,9 @@ sub page_start { "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n". &Apache::loncommon::browser_and_searcher_javascript(). "\n\n"; + if ($target eq 'edit') { + $extra_head .= &Apache::edit::js_update_linknum(); + } } } @@ -260,23 +514,25 @@ sub page_start { } elsif (!defined($found{'body'}) && $env{'request.state'} eq 'construct') { if ($target eq 'web' || $target eq 'edit') { - # Breadcrumbs for Construction Space - &Apache::lonhtmlcommon::clear_breadcrumbs(); - &Apache::lonhtmlcommon::add_breadcrumb({ - 'text' => 'Construction Space', - 'href' => &Apache::loncommon::authorspace(), - }); - # breadcrumbs (and tools) will be created - # in start_page->bodytag->innerregister + unless ($env{'form.inhibitmenu'} eq 'yes') { + # Breadcrumbs for Authoring Space + &Apache::lonhtmlcommon::clear_breadcrumbs(); + &Apache::lonhtmlcommon::add_breadcrumb({ + 'text' => 'Authoring Space', + 'href' => &Apache::loncommon::authorspace($env{'request.uri'}), + }); + # breadcrumbs (and tools) will be created + # in start_page->bodytag->innerregister # FIXME Where are we? -# &Apache::lonhtmlcommon::add_breadcrumb({ -# 'text' => 'Problem Editing', # 'Problem Testing' -# 'href' => '', -# }); - $pageheader =&Apache::loncommon::head_subbox( - &Apache::loncommon::CSTR_pageheader()); - } +# &Apache::lonhtmlcommon::add_breadcrumb({ +# 'text' => 'Problem Editing', # 'Problem Testing' +# 'href' => '', +# }); + $pageheader = &Apache::loncommon::head_subbox( + &Apache::loncommon::CSTR_pageheader()); + } + } } elsif (!defined($found{'body'})) { my %add_entries; my $background=&Apache::lonxml::get_param('background',$parstack, @@ -295,6 +551,8 @@ sub page_start { $body_args{'add_entries'} = \%add_entries; if ( $env{'request.state'} eq 'construct') { $body_args{'only_body'} = 1; + } elsif ($target eq 'web') { + $body_args{'print_suppress'} = 1; } } $body_args{'no_auto_mt_title'} = 1; @@ -316,7 +574,6 @@ sub page_start { if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') { $page_start .= &Apache::lonxml::message_location(); } - my $form_tag_start; if (!defined($found{'form'})) { $form_tag_start='
'."\n"; } } - return ($page_start,$form_tag_start); + return ($page_start,$form_tag_start,$partlist); } #use Time::HiRes(); @@ -371,19 +632,45 @@ sub get_resource_name { } sub setup_rndseed { - my ($safeeval,$target)=@_; + my ($safeeval,$target,$probpartlist)=@_; my ($symb)=&Apache::lonnet::whichuser(); - my ($questiontype,$set_safespace,$rndseed); + my ($questiontype,$set_safespace,$rndseed,$numtries,$reqtries); if ($target eq 'analyze') { $questiontype = $env{'form.grade_questiontype'}; } unless (defined($questiontype)) { $questiontype = $Apache::lonhomework::type; } - if ($env{'request.state'} eq "construct" - || $symb eq '' - || $Apache::lonhomework::type eq 'practice' - || $Apache::lonhomework::history{'resource.CODE'}) { + if ($Apache::lonhomework::type eq 'randomizetry') { + my $partfortries = $Apache::inputtags::part; +# +# Where question type is "randomizetry" for a problem containing +# a single part (and unless type is explicitly set to not be +# "randomizetry" for that part), the number of tries used to +# determine randomization will be for that part, and randomization +# from calls to &random() in a perl script block before the part tag, +# will change based on the number of tries, and value of the +# "randomizeontries" parameter in effect for the single part. +# + if (ref($probpartlist) eq 'ARRAY') { + if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $partfortries)) { + if (&Apache::lonnet::EXT('resource.'.$probpartlist->[0].'.type') eq 'randomizetry') { + $partfortries = $probpartlist->[0]; + } else { + $partfortries = ''; + } + } + } + if ($partfortries ne '') { + $numtries = $Apache::lonhomework::history{"resource.$partfortries.tries"}; + $reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries"); + } + } + if (($env{'request.state'} eq "construct") + || ($symb eq '') + || ($Apache::lonhomework::type eq 'practice') + || ($Apache::lonhomework::history{'resource.CODE'}) + || (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) { &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['rndseed']); $rndseed=$env{'form.rndseed'}; @@ -392,17 +679,23 @@ sub setup_rndseed { if (!$rndseed) { $rndseed=time; } - $env{'form.rndseed'}=$rndseed; + unless ($env{'form.code_for_randomlist'}) { + $env{'form.rndseed'}=$rndseed; + } } - if (($env{'request.state'} eq "construct") && + if ((($env{'request.state'} eq "construct") || ($symb eq '')) && ($Apache::lonhomework::type eq 'randomizetry')) { - my $tries = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.tries"}; - if ($tries) { - $rndseed += $tries; + if ($numtries) { + if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) { + my $inc = int($numtries/$reqtries); + $rndseed += $inc; + } else { + $rndseed += $numtries; + } } $env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed; } - if ( ($env{'form.resetdata'} eq &mt('New Problem Variation') + if ( ($env{'form.resetdata'} eq 'new_problem_variation' && $env{'form.submitted'} eq 'yes') || $env{'form.newrandomization'} eq &mt('New Randomization')) { srand(time); @@ -420,7 +713,11 @@ sub setup_rndseed { $rndseed=join(':',&Apache::lonnet::digest($rndseed)); } } - if ($Apache::lonhomework::history{'resource.CODE'}) { + if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) { + $env{'form.CODE'} = $env{'form.code_for_randomlist'}; + $rndseed=&Apache::lonnet::rndseed(); + undef($env{'form.CODE'}); + } elsif ($Apache::lonhomework::history{'resource.CODE'}) { $rndseed=&Apache::lonnet::rndseed(); } $set_safespace = 1; @@ -432,7 +729,7 @@ sub setup_rndseed { } unless (($target eq 'analyze') && (defined($rndseed))) { $rndseed=&Apache::lonnet::rndseed(); - my $curr_try = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.tries"}; + my $curr_try = $numtries; if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') { $curr_try ++; } @@ -440,7 +737,6 @@ sub setup_rndseed { $rndseed = $1; } if ($curr_try) { - my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries"); if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) { my $inc = int(($curr_try-1)/$reqtries); $rndseed += $inc; @@ -450,6 +746,9 @@ sub setup_rndseed { } } $set_safespace = 1; + if ($target eq 'grade') { + $Apache::lonhomework::rawrndseed = $rndseed; + } } if ($set_safespace) { if ($safeeval) { @@ -479,53 +778,97 @@ sub problem_edit_action_button { sub problem_edit_buttons { my ($mode)=@_; + my %editors = &Apache::loncommon::permitted_editors(); +# Buttons that save + my $result = '
'; + if ($mode eq 'editxml') { + if ($editors{'xml'}) { + $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML'); + } + $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View'); + } else { + if ($editors{'edit'}) { + $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit'); + } + $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View'); + } + $result.="\n
\n"; # Buttons that do not save - my $result='
'. + $result .= '
'. &problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1); if ($mode eq 'editxml') { - $result.=&problem_edit_action_button('subedit','edit','e','Edit',1); + if ($editors{'edit'}) { + $result.=&problem_edit_action_button('subedit','edit','e','Edit',1); + } + if ($editors{'daxe'}) { + $result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',1); + } $result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1); - $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1); + if (&Apache::loncommon::nocodemirror()) { + $result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1); + } } else { - $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1); + if ($editors{'xml'}) { + $result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1); + } + if ($editors{'daxe'}) { + $result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',1); + } $result.=&problem_edit_action_button('subundo','undo','u','Undo',1); } $result.="\n
"; -# Buttons that save - $result.='
'; - if ($mode eq 'editxml') { - $result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML'); - $result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View'); - } else { - $result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit'); - $result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View'); - } - $result.="\n
\n"; return $result; } sub problem_edit_header { - return ''. + my ($mode)=@_; + my $return = ''. &remember_problem_state('edit').' -
-
-'.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').' -
'. -''. -&problem_edit_buttons().' -
-'.&Apache::lonxml::message_location().' -
-'. - '" + $result.=&Apache::edit::start_table($token)."" .'' - .'' + .'' .'' - .'
'; +
+
+ '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').' +
'. + ''. + &problem_edit_buttons(); + + $return .= '
' . &Apache::lonxml::message_location(); + $return .= ' + '; + + $return .= ' + +
'; + return $return; } + sub problem_edit_footer { + my $resource = $env{'request.ambiguous'}; return '

'. "\n\n".&Apache::loncommon::end_page(); @@ -543,6 +886,7 @@ sub option { sub problem_web_to_edit_header { my ($rndseed)=@_; + my %editors = &Apache::loncommon::permitted_editors(); my $result .= '
'; if (!$Apache::lonhomework::parsing_a_task) { @@ -608,7 +952,7 @@ $show_all @@ -642,7 +986,8 @@ $show_all
- +
@@ -671,10 +1016,21 @@ $show_all
'; $result.=''; - $result .= ''; - $result .= ''; + if ($editors{'edit'}) { + $result .= ''; + } + if ($editors{'xml'}) { + $result .= ''; + } + if (($editors{'daxe'}) && + ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9)) { + my $uri = $env{'request.uri'}; + my $daxeurl = '/daxepage'.$uri; + $result .= ''; + } $result.='

@@ -701,8 +1057,8 @@ sub initialize_storage { || $Apache::lonhomework::type eq 'practice') { my $namespace = $symb || $env{'request.uri'}; - if ($env{'form.resetdata'} eq &mt('Reset Submissions') || - ($env{'form.resetdata'} eq &mt('New Problem Variation') + if ($env{'form.resetdata'} eq 'reset_submissions' || + ($env{'form.resetdata'} eq 'new_problem_variation' && $env{'form.submitted'} eq 'yes') || $env{'form.newrandomization'} eq &mt('New Randomization')) { &Apache::lonnet::tmpreset($namespace,'',$domain,$name); @@ -710,7 +1066,7 @@ sub initialize_storage { } %Apache::lonhomework::history= &Apache::lonnet::tmprestore($namespace,'',$domain,$name); - my ($temp)=keys %Apache::lonhomework::history ; + my ($temp)=keys(%Apache::lonhomework::history); &Apache::lonxml::debug("Return message of $temp"); } else { %Apache::lonhomework::history= @@ -718,7 +1074,7 @@ sub initialize_storage { } #ignore error conditions - my ($temp)=keys %Apache::lonhomework::history ; + my ($temp)=keys(%Apache::lonhomework::history); if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); } } @@ -726,12 +1082,37 @@ sub initialize_storage { =item finalize_storage() - Stores away the result has to a student's environment - checks form.grade_ for specific values, other wises stores - to the running users environment - Will increment totals for attempts, students, and corrects - if running user has student role. - + Stores away the result hash to a student's environment; + checks form.grade_ for specific values, otherwise stores + to the running user's environment. + + &check_correctness_changes() is called in two circumstances + in which the results hash is to be stored permanently, for + grading triggered by a student's submission, where feedback on + correctness is to be provided to the student. + + 1. Immediately prior to storing the results hash + + To handle the case where a student's submission (and award) were + stored after history was retrieved in &initialize_storage(), e.g., + if a student submitted answers in quick succession (e.g., from + multiple tabs). &Apache::inputtags::hidealldata() is called for + any parts with out-of-order storage (i.e., correct then incorrect, + where awarded >= 1 when correct). + + 2. Immediately after storing the results hash + + To handle the case where lond on the student's homeserver returns + delay:N -- where N is the number of transactions between the last + retrieved in &initialize_storage() and the last stored immediately + before permanent storage of the current transaction via + lond::store_handler(). &Apache::grades::makehidden() is called + for any parts with out-of-order storage (i.e., correct then incorrect, + where awarded >= 1 when correct). + + Will call &store_aggregates() to increment totals for attempts, + students, and corrects, if running user has student role. + =cut @@ -743,6 +1124,8 @@ sub finalize_storage { delete(@Apache::lonhomework::results{@remove}); my ($symb,$courseid,$domain,$name) = &Apache::lonnet::whichuser($given_symb); + my ($passback,$pbscope,$pbmap,$pbsymb,$pbtype,$crsdef,$ltinum, + $ltiref,$total,$possible,$dopassback); if ($env{'request.state'} eq 'construct' || $symb eq '' || $Apache::lonhomework::type eq 'practice') { @@ -752,10 +1135,195 @@ sub finalize_storage { $namespace,'',$domain,$name); &Apache::lonxml::debug('Construct Store return message:'.$result); } else { + my ($laststore,$checkedparts,@parts,%postcorrect,%record); + if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) && + (!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) && + (!defined($env{'form.grade_courseid'}))) { + if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) { + my ($map)=&Apache::lonnet::decode_symb($symb); + $map = &Apache::lonnet::clutter($map); + if ($env{'request.lti.login'}) { + ($passback,$pbscope,$pbmap,$pbsymb,$ltinum,$ltiref) = + &needs_lti_passback($courseid,$symb,$map); + } elsif ($env{'request.deeplink.login'}) { + ($passback,$pbscope,$pbmap,$pbsymb,$crsdef,$ltinum,$ltiref) = + &needs_linkprot_passback($courseid,$symb,$map); + } + } + if ($Apache::lonhomework::history{'version'}) { + $laststore = $Apache::lonhomework::history{'version'}.'='. + $Apache::lonhomework::history{'timestamp'}; + } else { + $laststore = '0=0'; + } + %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name); + if ($record{'version'}) { + my ($newversion,$oldversion,$oldtimestamp); + if ($Apache::lonhomework::history{'version'}) { + $oldversion = $Apache::lonhomework::history{'version'}; + $oldtimestamp = $Apache::lonhomework::history{'timestamp'}; + } else { + $oldversion = 0; + $oldtimestamp = 0; + } + if ($record{'version'} > $oldversion) { + if ($record{'timestamp'} >= $oldtimestamp) { + $laststore = $record{'version'}.'='.$record{'timestamp'}; + $newversion = $record{'version'} + 1; + $checkedparts = 1; + foreach my $key (keys(%Apache::lonhomework::results)) { + if ($key =~ /^resource\.([^\.]+)\.solved$/) { + my $part = $1; + if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') { + push(@parts,$part); + } + } + } + if (@parts) { + my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name, + \%record,\@parts,$newversion, + $oldversion); + if (@parts_to_hide) { + foreach my $part (@parts_to_hide) { + $postcorrect{$part} = 1; + &Apache::inputtags::hidealldata($part); + } + } + } + } + } + } + } $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results, - $symb,$courseid,$domain,$name); + $symb,$courseid,$domain,$name,$laststore); + if ($result =~ /^delay\:(\d+)$/) { + my $numtrans = $1; + my ($oldversion) = split(/=/,$laststore); + if ($numtrans) { + my $newversion = $oldversion + 1 + $numtrans; + my @possparts; + if ($checkedparts) { + foreach my $part (@parts) { + unless ($postcorrect{$part}) { + push(@possparts,$part); + } + } + } else { + foreach my $key (keys(%Apache::lonhomework::results)) { + if ($key =~ /^resource\.([^\.]+)\.solved$/) { + my $part = $1; + unless ($postcorrect{$part}) { + if ($Apache::lonhomework::results{$key} eq 'incorrect_attempted') { + push(@possparts,$part); + } + } + } + } + } + if (@possparts) { + my %newrecord = &Apache::lonnet::restore($symb,$courseid,$domain,$name); + my @parts_to_hide = &check_correctness_changes($symb,$courseid,$domain,$name, + \%newrecord,\@possparts,$newversion, + $oldversion); + if (@parts_to_hide) { + my $partslist = join(',',@parts_to_hide); + &Apache::grades::makehidden($newversion,$partslist,\%newrecord,$symb,$domain,$name,1); + } + } + } + } + if ($passback) { + foreach my $key (keys(%Apache::lonhomework::results)) { + if ($key =~ /^resource\.([^\.]+)\.solved$/) { + my $part = $1; + if ((($Apache::lonhomework::results{$key} =~ /^correct_/) || + ($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) && + ($Apache::lonhomework::results{"resource.$part.tries"})) { + $dopassback = 1; + last; + } + } + } + } + if (($dopassback) && ($pbscope eq 'resource') && ($pbsymb eq $symb)) { + $total = 0; + $possible = 0; + my $navmap = Apache::lonnavmaps::navmap->new(); + if (ref($navmap)) { + my $res = $navmap->getBySymb($symb); + if (ref($res)) { + my $partlist = $res->parts(); + if (ref($partlist) eq 'ARRAY') { + foreach my $part (@{$partlist}) { + unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) { + next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/); + my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb); + $possible += $weight; + if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) { + my $awarded = $record{"resource.$part.awarded"}; + if ($awarded) { + $total += $weight * $awarded; + } + } + } + } + } + } + } + foreach my $key (keys(%Apache::lonhomework::results)) { + if ($key =~ /^resource\.([^\.]+)\.awarded$/) { + my $part = $1; + my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb); + $possible += $weight; + my $awarded = $Apache::lonhomework::results{$key}; + if ($awarded) { + $total += $weight * $awarded; + } + } + } + } &Apache::lonxml::debug('Store return message:'.$result); &store_aggregates($symb,$courseid); + if ($dopassback) { + my $scoreformat = 'decimal'; + if (($env{'request.lti.login'}) || ($env{'request.deeplink.login'})) { + if (ref($ltiref) eq 'HASH') { + if ($ltiref->{'scoreformat'} =~ /^(decimal|ratio|percentage)$/) { + $scoreformat = $1; + } + } + } + my ($pbid,$pburl,$pbtype); + if ($env{'request.lti.login'}) { + $pbid = $env{'request.lti.passbackid'}; + $pburl = $env{'request.lti.passbackurl'}; + $pbtype = 'lti'; + } elsif ($env{'request.deeplink.login'}) { + $pbid = $env{'request.linkprotpbid'}; + $pburl = $env{'request.linkprotpburl'}; + $pbtype = 'linkprot'; + } + my $ltigrade = { + 'ltinum' => $ltinum, + 'lti' => $ltiref, + 'crsdef' => $crsdef, + 'cid' => $courseid, + 'uname' => $env{'user.name'}, + 'udom' => $env{'user.domain'}, + 'pbid' => $pbid, + 'pburl' => $pburl, + 'pbtype' => $pbtype, + 'scope' => $pbscope, + 'pbmap' => $pbmap, + 'pbsymb' => $pbsymb, + 'format' => $scoreformat, + }; + if ($pbscope eq 'resource') { + $ltigrade->{'total'} = $total; + $ltigrade->{'possible'} = $possible; + } + push(@Apache::lonhomework::ltipassback,$ltigrade); + } } } else { &Apache::lonxml::debug('Nothing to store'); @@ -763,6 +1331,160 @@ sub finalize_storage { return $result; } +sub needs_lti_passback { + my ($courseid,$symb,$map) = @_; + if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) { + if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) { + my ($cdom,$cnum) = ($1,$2); + my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider'); + if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') { + if ($lti{$env{'request.lti.login'}}{'passback'}) { + my $itemnum = $env{'request.lti.login'}; + my ($ltiscope,$ltiuri,$ltisymb) = + &LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'}, + $cdom,$cnum,1); + my ($passback,$ltimap); + if ($ltiscope eq 'resource') { + if ($ltisymb eq $symb) { + $passback = 1; + } + } elsif ($ltiscope eq 'map') { + if ($ltiuri eq $map) { + $passback = 1; + $ltimap = $map; + } + } elsif ($ltiscope eq 'course') { + if (($env{'request.lti.uri'} eq "/$cdom/$cnum") || ($env{'request.lti.uri'} eq '')) { + $passback = 1; + } + } + return ($passback,$ltiscope,$ltimap,$ltisymb,$itemnum,$lti{$itemnum}); + } + } + } + } + return; +} + +sub needs_linkprot_passback { + my ($courseid,$symb,$map) = @_; + if (($env{'request.linkprotpbid'}) && ($env{'request.linkprotpburl'})) { + if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) { + my ($cdom,$cnum) = ($1,$2); + my ($deeplink_symb,$deeplink_map,$deeplink,$passback); + $deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom); + if ($deeplink_symb) { + if ($deeplink_symb =~ /\.(page|sequence)$/) { + $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]); + my $navmap = Apache::lonnavmaps::navmap->new(); + if (ref($navmap)) { + $deeplink = $navmap->get_mapparam(undef,$deeplink_map,'0.deeplink'); + } + } else { + $deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb); + $deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[0]); + } + if (($deeplink ne '') && ($env{'request.linkprot'} ne '')) { + my ($itemid,$tinyurl) = split(/:/,$env{'request.linkprot'}); + if ($itemid =~ /^(\d+)(c|d)$/) { + my ($itemnum,$itemtype) = ($1,$2); + my ($crsdef,$lti_in_use); + if ($itemtype eq 'c') { + $crsdef = 1; + my %crslti = &Apache::lonnet::get_course_lti($cnum,$cdom,'provider'); + $lti_in_use = $crslti{$itemnum}; + } else { + my %domlti = &Apache::lonnet::get_domain_lti($cdom,'linkprot'); + $lti_in_use = $domlti{$itemnum}; + } + my ($state,$others,$listed,$scope,$protect,$display,$target,$exit) = split(/,/,$deeplink); + my ($passback,$pbscope); + if ($scope eq 'res') { + if ($deeplink_symb eq $symb) { + $passback = 1; + $pbscope = 'resource'; + } + } elsif ($scope eq 'map') { + if (&Apache::lonnet::clutter($deeplink_map) eq $map) { + $passback = 1; + $pbscope = 'nonrec'; + } + } elsif ($scope eq 'rec') { + if (&Apache::lonnet::clutter($deeplink_map) eq $map) { + $passback = 1; + $pbscope = 'map'; + } else { + my @recurseup = &Apache::lonnet::get_map_hierarchy($map,$env{'request.course.id'}); + if (grep(/^\Q$deeplink_map\E$/,@recurseup)) { + $passback = 1; + $pbscope = 'map'; + } + } + } + return ($passback,$pbscope,$deeplink_map,$deeplink_symb,$crsdef,$itemnum,$lti_in_use); + } + } + } + } + } +} + +=pod + +=item check_correctness_changes() + + For all parts for which current results contain a solved status + of "incorrect_attempted", check if there was a transaction in which + solved was set to "correct_by_student" in the time since the last + transaction (retrieved when &initialize_storage() was called i.e., + when &start_problem() was called), unless: + (a) questiontype parameter is set to survey or anonymous survey (+/- credit) + (b) problemstatus is set to no or no_feedback_ever + If such a transaction exists, and did not occur after "reset status" + by a user with grading privileges, then the current transaction is an + example of an out-of-order transaction (i.e., incorrect occurring after + correct). Accordingly, the current transaction should be hidden. + +=cut + + +sub check_correctness_changes { + my ($symb,$courseid,$domain,$name,$record,$parts,$newversion,$oldversion) = @_; + my @parts_to_hide; + unless ((ref($record) eq 'HASH') && (ref($parts) eq 'ARRAY')) { + return @parts_to_hide; + } + if (@{$parts}) { + my $usec; + if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) && + ($env{'request.course.id'} eq $courseid)) { + $usec = $env{'request.course.sec'}; + } else { + $usec = &Apache::lonnet::getsection($domain,$name,$courseid); + } + foreach my $id (@{$parts}) { + next if (($Apache::lonhomework::results{'resource.'.$id.'.type'} =~ /survey/) || + (&Apache::lonnet::EXT("resource.$id.problemstatus",$symb, + $domain,$name,$usec,undef,$courseid) =~ /^no/)); + my $reset; + for (my $i=$newversion-1; $i>=$oldversion; $i--) { + if (($record->{$i.':resource.'.$id.'.regrader'}) && + ($record->{$i.':resource.'.$id.'.tries'} eq '') && + ($record->{$i.':resource.'.$id.'.award'} eq '')) { + $reset = 1; + } elsif (($record->{$i.":resource.$id.solved"} eq 'correct_by_student') && + ($record->{$i.":resource.$id.awarded"} >= 1)) { + unless ($reset) { + push(@parts_to_hide,$id); + last; + } + } + } + } + } + return @parts_to_hide; +} + =pod item store_aggregates() @@ -827,7 +1549,7 @@ sub store_aggregates { } } } - if (keys (%aggregate) > 0) { + if (keys(%aggregate) > 0) { &Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate, $cdomain,$cname); } @@ -841,6 +1563,99 @@ sub store_aggregates { } } +sub access_status_msg { + my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_; + my $msg; + if ($target eq 'web') { + if ($status eq 'UNAVAILABLE') { + $msg.='

'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'

'; + } elsif ($status eq 'NOT_IN_A_SLOT') { + $msg.='

'.&mt('You are not currently signed up to work at this time and/or place.').'

'; + } elsif (($status eq 'RESERVABLE') || ($status eq 'RESERVABLE_LATER') || + ($status eq 'NOTRESERVABLE')) { + $msg.='

'.&mt('Access requires reservation to work at specific time/place.').'

'; + } elsif ($status ne 'NOT_YET_VIEWED') { + $msg.='

'.&mt('Not open to be viewed').'

'; + } + if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') { + $msg.=&mt('The problem ').$accessmsg; + } elsif ($status eq 'UNCHECKEDOUT') { + $msg.=&checkout_msg(); + } elsif ($status eq 'NOT_YET_VIEWED') { + $msg.=&firstaccess_msg($accessmsg,$symb); + } elsif ($status eq 'NOT_IN_A_SLOT') { + $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work"); + } elsif ($status eq 'RESERVABLE') { + $msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].', + &Apache::lonnavmaps::timeToHumanString($accessmsg,'end')). + '
'. + &Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work"); + } elsif ($status eq 'RESERVABLE_LATER') { + $msg.=&mt('Window to make a reservation will open [_1].', + &Apache::lonnavmaps::timeToHumanString($accessmsg,'start')); + } elsif ($status eq 'NOTRESERVABLE') { + $msg.=&mt('Not available to make a reservation.'); + } + $msg.='
'; + } elsif ($target eq 'tex') { + my $startminipage = ($env{'form.problem_split'}=~/yes/i)? '' + : '\begin{minipage}{\textwidth}'; + + $msg ='\noindent \vskip 1 mm '. + $startminipage.'\vskip 0 mm'; + if ($status eq 'UNAVAILABLE') { + $msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.'); + } elsif ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') { + $msg.=&mt('Problem is not open to be viewed. It')." $accessmsg"; + } else { + $msg.=&mt('Problem is not open to be viewed.'); + } + $msg .= " \\vskip 0 mm "; + } + return $msg; +} + +sub checkin_prompt { + my ($target,$slot_name,$slot,$type) = @_; + my $result; + if ($target eq 'web') { + $result = &Apache::bridgetask::proctor_validation_screen($slot); + } elsif ($target eq 'grade') { + if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) { + $result = &mt('An error occurred during check-in'); + } + } + return $result; +} + +sub selfcheckin_resource { + my ($resource_due,$slot_name,$slot,$symb) = @_; + if ($slot_name ne '') { + my $checked_in = + $Apache::lonhomework::history{'resource.0.checkedin'}; + if ($checked_in eq '') { + # unproctored slot access, self checkin + my $check = &Apache::bridgetask::check_in('problem',undef,undef, + $slot_name); + if ($check =~ /^error: /) { + &Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name"); + } else { + $checked_in = $Apache::lonhomework::results{"resource.0.checkedin"}; + } + } + if ((ref($slot) eq 'HASH') && ($checked_in ne '')) { + if ($slot->{'starttime'} < time()) { + if (!$resource_due) { + $resource_due = $slot->{'endtime'}; + } elsif ($slot->{'endtime'} < $resource_due) { + $resource_due = $slot->{'endtime'}; + } + } + } + } + return $resource_due; +} + sub checkout_msg { my %lt=&Apache::lonlocal::texthash( 'resource'=>'The resource needs to be checked out', @@ -855,7 +1670,7 @@ sub checkout_msg {

$lt{'warning'}

- +
ENDCHECKOUT } @@ -869,27 +1684,29 @@ sub firstaccess_msg { my $foldertitle=&Apache::lonnet::gettitle($map); &Apache::lonxml::debug("map is $map title is $foldertitle"); - $result .= "

".&mt('The resources in "[_1]" are open for a limited time.' - .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".' - ,$foldertitle,$time)."

"; + $result .= "

".&mt('The resources in "[_1]" are open for a limited time.',$foldertitle)."

" + .'

'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".' + ,$foldertitle,$time)."

"; } elsif ($interval[1] eq 'course') { my $course = $env{'course.'.$env{'request.course.id'}.'.description'}; - $result .= "

".&mt('The resources in "[_1]" are open for a limited time.' - .' Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".' - ,$course,$time)."

"; + $result .= "

".&mt('The resources in "[_1]" are open for a limited time.',$course)."

" + .'

'.&mt('Once you click the "Show Resource" button below you have [_2] to complete all resources "[_1]".' + ,$course,$time)."

"; } else { my $title=&Apache::lonnet::gettitle($symb); - $result .= "

".&mt('This resource "[_1]" is open for a limited time.' - .' Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".' - ,$title,$time)."

"; + $result .= "

".&mt('This resource "[_1]" is open for a limited time.',$title)."

" + .'

'.&mt('Once you click the "Show Resource" button below you have [_2] to complete this resource "[_1]".' + ,$title,$time)."

"; } my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'}); my $buttontext = &mt('Show Resource'); my $timertext = &mt('Start Timer?'); + my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb),'\'"<>&'); $result .= (< - + + ENDCHECKOUT return $result; @@ -924,11 +1741,13 @@ sub init_problem_globals { @Apache::inputtags::importlist = (); @Apache::inputtags::previous=(); @Apache::inputtags::previous_version=(); + $Apache::inputtags::leniency=''; $Apache::structuretags::printanswer='No'; @Apache::structuretags::whileconds=(); @Apache::structuretags::whilebody=(); @Apache::structuretags::whileline=(); $Apache::lonhomework::scantronmode=0; + $Apache::lonhomework::randomizetrypart=0; undef($Apache::lonhomework::name); undef($Apache::lonhomework::default_type); undef($Apache::lonhomework::type); @@ -939,6 +1758,12 @@ sub reset_problem_globals { undef(%Apache::lonhomework::history); undef(%Apache::lonhomework::results); undef($Apache::inputtags::part); + undef($Apache::inputtags::leniency); + if ($type eq 'Task') { + undef($Apache::inputtags::slot_name); + } elsif ($type eq 'problem') { + undef($Apache::lonhomework::rawrndseed); + } #don't undef this, lonhomework.pm takes care of this, we use this to #detect if we try to do 2 problems in one file # undef($Apache::lonhomework::parsing_a_problem); @@ -946,6 +1771,7 @@ sub reset_problem_globals { undef($Apache::lonhomework::default_type); undef($Apache::lonhomework::type); undef($Apache::lonhomework::scantronmode); + undef($Apache::inputtags::randomizetrypart); undef($Apache::lonhomework::ignore_response_errors); undef(@Apache::functionplotresponse::callscripts); &Apache::lonhomework::reset_show_problem_status(); @@ -1036,40 +1862,95 @@ sub start_problem { &Apache::run::run($expression,$safeeval); my $status; my $accessmsg; + my $resource_due; my $name= &get_resource_name($parstack,$safeeval); - my ($result,$form_tag_start); + my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres); + + if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || + $target eq 'tex') { + if ($env{'form.markaccess'}) { + my @interval=&Apache::lonnet::EXT("resource.0.interval"); + my ($timelimit) = ($interval[0] =~ /^(\d+)/); + my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit); + unless (($is_set eq 'ok') || ($is_set eq 'already_set')) { + $firstaccres = $is_set; + } + } + } + if ($target eq 'web' || $target eq 'webgrade' || $target eq 'tex' || $target eq 'edit') { - ($result,$form_tag_start) = + ($result,$form_tag_start,$probpartlist) = &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval, $name); + } elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) || + ($target eq 'answer')) { + my ($symb)= &Apache::lonnet::whichuser(); + if ($symb ne '') { + my $navmap = Apache::lonnavmaps::navmap->new(); + if (ref($navmap)) { + my $res = $navmap->getBySymb($symb); + if (ref($res)) { + $probpartlist = $res->parts(); + } + } + } + } + + if (($target eq 'web') && ($env{'request.user_in_effect'})) { + &Apache::lonxml::get_all_text("/problem",$parser,$style); + return $result; } + if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || + $target eq 'tex') { + + my ($symb)= &Apache::lonnet::whichuser(); + ($status,$accessmsg,$slot_name,$slot) = + &Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist); + push (@Apache::inputtags::status,$status); + } + if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';} if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); } if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') { - if ($env{'form.markaccess'}) { - my @interval=&Apache::lonnet::EXT("resource.0.interval"); - &Apache::lonnet::set_first_access($interval[1]); - } - - ($status,$accessmsg,my $slot_name,my $slot) = - &Apache::lonhomework::check_slot_access('0','problem'); - push (@Apache::inputtags::status,$status); + my ($symb) = &Apache::lonnet::whichuser(); #handle rand seed in construction space - my $rndseed=&setup_rndseed($safeeval,$target); - my ($symb)=&Apache::lonnet::whichuser(); + if (($env{'request.state'} eq 'construct') || ($symb eq '')) { + my $partorder=&Apache::lonnet::metadata($env{'request.uri'},'partorder'); + if ($partorder ne '') { + @{$probpartlist} = split(/,/,$partorder); + } + } + my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist); + if (($target eq 'grade') && &Apache::response::submitted()) { + if ($Apache::lonhomework::type eq 'randomizetry') { + $Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed; + } else { + my @parts; + if (ref($probpartlist) eq 'ARRAY') { + @parts = @{$probpartlist}; + } + unless (@parts) { + $Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed; + } + } + } if ($env{'request.state'} ne "construct" && ($symb eq '' || $Apache::lonhomework::type eq 'practice')) { + my $rndseedval = $rndseed; + if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) { + $rndseedval = $env{'form.rndseed'}; + } $form_tag_start.=''. - ''; + $rndseedval.'" />'. + ''; if (exists($env{'form.username'})) { $form_tag_start.= ''; - } elsif ($status eq 'NOT_IN_A_SLOT') { - $msg.='

'.&mt('You are not currently signed up to work at this time and/or place.').'

'; - } elsif ($status ne 'NOT_YET_VIEWED') { - $msg.='

'.&mt('Not open to be viewed').'

'; - } - if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') { - $msg.=&mt('The problem ').$accessmsg; - } elsif ($status eq 'UNCHECKEDOUT') { - $msg.=&checkout_msg(); - } elsif ($status eq 'NOT_YET_VIEWED') { - $msg.=&firstaccess_msg($accessmsg,$symb); - } elsif ($status eq 'NOT_IN_A_SLOT') { - $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work"); - } - $result.=$msg.'
'; - } elsif ($target eq 'tex') { - my $startminipage = ($env{'form.problem_split'}=~/yes/i)? '' - : '\begin{minipage}{\textwidth}'; - $result.='\noindent \vskip 1 mm '. - $startminipage.'\vskip 0 mm'; - if ($status eq 'UNAVAILABLE') { - $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm '; - } else { - $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm "; - } - } + if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) { + $result .= '

'. + &mt('A problem occurred when trying to start the timer.').'

'; + } + $result .= &access_status_msg('problem',$status,$symb,$target,'',$accessmsg); } elsif ($status eq 'NEEDS_CHECKIN') { my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser, $style); - if ($target eq 'web') { - $result .= - &Apache::bridgetask::proctor_validation_screen($slot); - } elsif ($target eq 'grade') { - &Apache::bridgetask::proctor_check_auth($slot_name,$slot, - 'problem'); - } + $result .= &checkin_prompt($target,$slot_name,$slot,'problem'); } elsif ($target eq 'web') { - if ($status eq 'CAN_ANSWER' - && $slot_name ne '' - && $Apache::lonhomework::history{'resource.0.checkedin'} eq '') { - # unproctored slot access, self checkin - &Apache::bridgetask::check_in('problem',undef,undef, - $slot_name); - } + if ($status eq 'CAN_ANSWER') { + $resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'}); + if ($slot_name ne '') { + $resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot, + $env{'request.symb'}); + } + if ($resource_due) { + my $time_left = $resource_due - time(); + if ($resource_due && ($time_left > 0) && ($target eq 'web')) { + $result .= &Apache::lonhtmlcommon::set_due_date($resource_due); + } + } + } $result.="\n $form_tag_start \t". ''; # create a page header and exit if ($env{'request.state'} eq "construct") { - $result.= &problem_web_to_edit_header($env{'form.rndseed'}); + if ($env{'form.inhibitmenu'} eq 'yes') { + # error messages can be useful in any case + $result.= &Apache::lonxml::message_location(); + } else { + $result.= &problem_web_to_edit_header($env{'form.rndseed'}); + } if ($Apache::lonhomework::type eq 'practice') { - $result.= ''. + $result.= ''. &practice_problem_header().'
'; + } elsif ($Apache::lonhomework::type eq 'randomizetry') { + my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries"); + my $problemstatus = &get_problem_status($Apache::inputtags::part); + $result.=&randomizetry_problem_header($problemstatus,$reqtries); } } # if we are viewing someone else preserve that info @@ -1188,7 +2063,7 @@ sub start_problem { } } elsif ($target eq 'tex') { $result .= 'INSERTTEXFRONTMATTERHERE'; - + $result .= &select_metadata_hyphenation(); } } elsif ($target eq 'edit') { $result .= $form_tag_start.&problem_edit_header(); @@ -1229,7 +2104,7 @@ sub end_problem { my $id = $Apache::inputtags::part; my $weight = &Apache::lonnet::EXT("resource.$id.weight"); my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages'); - my @packages = split /,/,$packages; + my @packages = split(/,/,$packages); my $allow_print_points = 0; foreach my $partial_key (@packages) { if ($partial_key=~m/^part_0$/) { @@ -1244,6 +2119,7 @@ sub end_problem { } my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header'); my $begin_doc=' \typeout{STAMPOFPASSEDRESOURCESTART Resource

"'.$name_of_resourse.'"

located in
'.$env{'request.uri'}.'
STAMPOFPASSEDRESOURCEEND} \noindent '; + &clear_required_languages(); my $toc_line='\vskip 1 mm\noindent '.$startminipage. '\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}'; @@ -1290,7 +2166,7 @@ sub end_problem { } else { $frontmatter.= $begin_doc.$toc_line; if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { - $frontmatter .= '\fbox{\textit{'.$weight.' pt}}'; + $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}'; } } } else { @@ -1300,13 +2176,19 @@ sub end_problem { if (not $env{'request.symb'} =~ m/\.page_/) { $frontmatter .= $begin_doc.$toc_line; if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { - $frontmatter .= '\fbox{\textit{'.$weight.' pt}}'; + $frontmatter .= '\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}'; } } else { $frontmatter .= '\vskip 1mm \\\\\\\\'.$startminipage; } } $result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/; + } elsif ($target eq 'web') { + if ($env{'request.user_in_effect'}) { + &reset_problem_globals('problem'); + $result .= &Apache::lonhtmlcommon::set_compute_end_time(); + return $result; + } } my $status=$Apache::inputtags::status['-1']; @@ -1341,7 +2223,13 @@ sub end_problem { $result.=""; } if ($target eq 'web') { - $result.= &Apache::loncommon::end_page({'discussion' => 1}); + # + # Closing not added by end_page(). + # Added separately at end of this routine, after added + # so document will be valid xhtml. + # + $result.= &Apache::loncommon::end_page({'discussion' => 1, + 'notbody' => 1}); } elsif ($target eq 'tex') { my $endminipage = ''; if (not $env{'form.problem_split'}=~/yes/) { @@ -1360,7 +2248,24 @@ sub end_problem { } } if ($target eq 'web') { - $result.=&Apache::functionplotresponse::init_script(); + $result.=&Apache::functionplotresponse::init_script(); + if ($Apache::lonhomework::default_type eq 'randomizetry') { + my ($symb) = &Apache::lonnet::whichuser(); + if ((($env{'request.state'} eq 'construct') || ($symb eq '')) && + ($status eq 'CAN_ANSWER')) { + unless (@Apache::inputtags::partlist > 1) { + $result.= <<"ENDJS"; + +ENDJS + } + } + } } if ($target eq 'grade') { &Apache::lonhomework::showhash(%Apache::lonhomework::results); @@ -1392,6 +2297,20 @@ sub end_problem { &reset_problem_globals('problem'); + # + # This shouild be just above the return so that the + # time put in the javascript is as late as possible in the + # computation: + # + if ($target eq 'web') { + $result .= &Apache::lonhtmlcommon::dash_to_minus_js(). + &Apache::lonhtmlcommon::set_compute_end_time(); + # + # Closing tags delayed so any tags + # not in head can appear inside body, for valid xhtml. + # + $result .= "\n"; + } return $result; } @@ -1424,8 +2343,8 @@ sub start_library { ''; $result.=&problem_web_to_edit_header($rndseed); if ($Apache::lonhomework::type eq 'practice') { - $result.= ''. + $result.= ''. &practice_problem_header().'
'; } } @@ -1441,6 +2360,8 @@ sub end_library { && ($#$tagstack eq 0 && $$tagstack[0] eq 'library') && $env{'request.state'} eq "construct") { $result.=''.&Apache::loncommon::end_page({'discussion' => 1}); + } elsif ($target eq 'meta') { + $result.=&Apache::response::meta_response_order(); } if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') { &reset_problem_globals('library'); @@ -1518,54 +2439,101 @@ sub end_block { } return $result; } - +# +# +# ... +# +# +# This declares the intent to provide content that can be rendered in the +# set of languages in the include specificatino but not in the exclude +# specification. If a currently preferred language is in the include list +# the content in the ... is rendered +# If the currently preferred language is in the exclude list, +# the content in the ..>[2]->{'include'}; my $exclude = $token->[2]->{'exclude'}; my @preferred_languages=&Apache::lonlocal::preferred_languages(); -# This should not even happen, since we should at least have the server language - if (!$preferred_languages[0]) { $preferred_languages[0]='en'; } -# Now loop over all languages in order of preference + + # This should not even happen, since we should at least have the server language + + if (!$preferred_languages[0]) { + $preferred_languages[0]='en'; + } + + # Now loop over all languages in order of preference + + my $render; foreach my $preferred_language (@preferred_languages) { -# If the languageblock has no arguments, show the contents - $result=1; + + # If neither include/nor exlude is present the block is going + # to get rendered. + my $found=0; -# Do we have an include argument? + $render=1; + + # If include is specified, don't render the block + # unless the preferred language is included in the set. + if ($include) { -# If include is specified, by default, don't render the block - $result=0; + $render=0; foreach my $included_language (split(/\,/,$include)) { -# ... but if my preferred language is included, render it if ($included_language eq $preferred_language) { - $result=1; + $render=1; $found=1; + last; # Only need to find the first. } } } -# Do we have an exclude argument? + # Do we have an exclude argument? + # If so, and one of the languages matches a preferred language + # inhibit rendering the block. Note that in the pathalogical case the + # author has specified a preferred language in both the include and exclude + # attribte exclude is preferred. + if ($exclude) { - $result=1; + $render=1; foreach my $excluded_language (split(/\,/,$exclude)) { if ($excluded_language eq $preferred_language) { - $result=0; + $render=0; $found=1; + last; # Only need to find the first. } } } - if ($found) { last; } + if ($found) { + last; # Done on any match of include or exclude. + } } - if ( ! $result ) { + # If $render not true skip the entire block until + # + + if ( ! $render ) { my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser, $style); &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]"); } - $result=''; + # If $render is true, we've not skipped the contents of the + # and the normal loncapa processing flow will render it as a matter of course. + } elsif ($target eq 'edit') { $result .=&Apache::edit::tag_start($target,$token); $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include', @@ -1590,9 +2558,47 @@ sub end_languageblock { } return $result; } - +# languagblock specific tags: { - my %available_texts; + # For chunks of a resource that has translations, this hash contains + # the translations available indexed by language name. + # + + my %available_texts; + + # starts a block of a resource that has multiple translations. + # See the tag as well. + # When is encountered if there is a translation for the + # currently preferred language, that is rendered inthe web/tex/webgrade + # targets. Otherwise, the default text is rendered. + # + # Note that is only registered for the duration of the + # ... block + # + # Pathalogical case handling: + # - If there is no that specifies a 'default' and there is no + # translation that matches a preferred language, nothing is rendered. + # - Nested ... might be linguistically supported by + # XML due to the stack nature of tag registration(?) however the rendered + # output will be incorrect because there is only one %available_texts + # has and end_translated clears it. + # - Material outside of a ... block within the + # ... block won't render either e.g.: + # + # The following will be in your preferred langauge: + # + # This section in english + # + # + # Hier es ist auf Deutsch. + # + # + # En Francais + # + # + # + # The introductory text prior to the first tag is not rendered. + # sub start_translated { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; &Apache::lonxml::register('Apache::structuretags',('lang')); @@ -1611,14 +2617,55 @@ sub end_languageblock { my @possibilities = keys(%available_texts); my $which = &Apache::loncommon::languages(\@possibilities) || 'default'; - $result = $available_texts{$which}; + if ($target eq 'tex') { + $result = &select_hyphenation($which); + } + $result .= $available_texts{$which}; + if ($target eq 'tex') { + $result .= &select_metadata_hyphenation(); # Restore original language. + } } undef(%available_texts); &Apache::lonxml::deregister('Apache::structuretags',('lang')); return $result; } - + # + # Specifies that the block contained within it is a translation + # for a specific language specified by the 'which' attribute. The + # 'other' attribute can be used by itself or in conjunction with + # which to specify this tag _may_ be used as a translation for some + # list of languages. e.g.: + # specifying that the block provides a translation for US (primary) + # Canadian, Australian and UK Englush. + # + # Comment: this seems a bit silly why not just support a list of languages + # e.g. and ditch the other attribute? + # + # Effect: + # The material within the .. block is stored in the + # specified set of $available_texts hash entries, the appropriate one + # is selected at time. + # + # Pathalogical case handling: + # If a language occurs multiple times within a block, + # only the last one is rendered e.g.: + # + # + # + # Red green color blindness is quite common affecting about 7.8% of + # the male population, but onloy about .65% of the female population. + # + # Red green colour blindness is quite common affecting about 7.8% of + # the male population, but onloy about .65% of the female population. + # + # + # + # renders the correct spelling of color (colour) for people who have specified + # a preferred language that is one of the British Commonwealth languages + # even though those are also listed as valid selections for the US english + # block. + # sub start_lang { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || @@ -1649,7 +2696,8 @@ sub end_languageblock { } return ''; } -} +} # end langauge block specific tags. + sub start_instructorcomment { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; @@ -1741,9 +2789,15 @@ sub end_while { } $return = &Apache::run::run($code,$safeeval); } - if ($error) { - &Apache::lonxml::error('
'.&mt('Code ran too long. It ran for more than').' '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' '.&mt('seconds occurred while running <while> on line').' '.$line.'
'); - } + if ($error) { + &Apache::lonxml::error( + '
'
+               .&mt('Code ran too long. It ran for more than [_1] seconds.',
+                        $Apache::lonnet::perlvar{'lonScriptTimeout'})
+               .&mt('This occurred while running <while> on line [_1].',
+                        $line)
+               .'
'); + } } elsif ($target eq "edit") { $result.= &Apache::edit::tag_end($target,$token,''); } @@ -1790,7 +2844,12 @@ sub start_randomlist { } if (@randomlist) { my @idx_arr = (0 .. $#randomlist); - &Apache::structuretags::shuffle(\@idx_arr); + if ($env{'form.code_for_randomlist'}) { + &Apache::structuretags::shuffle(\@idx_arr,$target); + undef($env{'form.code_for_randomlist'}); + } else { + &Apache::structuretags::shuffle(\@idx_arr); + } my $bodytext = ''; my $show=$#randomlist; my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval); @@ -1810,8 +2869,8 @@ sub start_randomlist { } } } - for(0 .. $show) { - $bodytext .= "$randomlist[ $idx_arr[$_] ]"; + for my $i (0 .. $show) { + $bodytext .= "$randomlist[ $idx_arr[$i] ]"; } &Apache::lonxml::newparser($parser,\$bodytext); } @@ -1829,10 +2888,10 @@ sub start_randomlist { } sub shuffle { - my $a=shift; + my ($a,$target) = @_; my $i; if (ref($a) eq 'ARRAY' && @$a) { - &Apache::response::pushrandomnumber(); + &Apache::response::pushrandomnumber(undef,$target); for($i=@$a;--$i;) { my $j=int(&Math::Random::random_uniform() * ($i+1)); next if $i == $j; @@ -1916,6 +2975,7 @@ sub start_part { my $id= &Apache::lonxml::get_id($parstack,$safeeval); $Apache::inputtags::part=$id; push(@Apache::inputtags::partlist,$id); + $Apache::inputtags::leniency=''; @Apache::inputtags::response=(); @Apache::inputtags::previous=(); @Apache::inputtags::previous_version=(); @@ -1925,6 +2985,14 @@ sub start_part { my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part); my $newtype=&Apache::lonnet::EXT("resource.$id.type"); if ($newtype) { $Apache::lonhomework::type=$newtype; } + if ($Apache::lonhomework::type eq 'randomizetry') { + my $rndseed=&setup_rndseed($safeeval,$target); + if (($target eq 'grade') && &Apache::response::submitted()) { + $Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed; + } + } elsif (($target eq 'grade') && &Apache::response::submitted()) { + $Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed; + } my $in_order_show=&ordered_show_check(); my $expression='$external::part=\''.$Apache::inputtags::part.'\';'; $expression.='$external::type=\''.$Apache::lonhomework::type.'\';'; @@ -1975,7 +3043,7 @@ sub start_part { } my $weight = &Apache::lonnet::EXT("resource.$id.weight"); my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages'); - my @allkeys = split /,/,$allkeys; + my @allkeys = split(/,/,$allkeys); my $allow_print_points = 0; foreach my $partial_key (@allkeys) { if ($partial_key=~m/^part_(.*)$/) { @@ -1991,26 +3059,20 @@ sub start_part { $allow_print_points=0; } if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { - $result .= '\vskip 10mm\fbox{\textit{'.$weight.' pt}}'; + $result .= '\vskip 10mm\fbox{\textit{'.&mt('[quant,_1,pt,pt]',$weight ).'}}'; } } elsif ($target eq 'web') { if ($status eq 'CAN_ANSWER') { my $problemstatus = &get_problem_status($Apache::inputtags::part); - my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type"); - my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries"); my $num = scalar(@Apache::inputtags::partlist)-1; - if ($probrandomize eq 'randomizetry') { - if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') { - $result .= &randomizetry_part_header($problemstatus,'none',$num); - } else { - my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries"); - if ($probrandtries ne $reqtries) { - $result .= &randomizetry_part_header($problemstatus,$reqtries,$num); - } - } - } elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') { - my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries"); + if ((($Apache::lonhomework::default_type eq 'randomizetry') || + ($Apache::lonhomework::randomizetrypart)) && + ($Apache::lonhomework::type ne 'randomizetry')) { + $result .= &randomizetry_part_header($problemstatus,'none',$num); + } elsif ($Apache::lonhomework::type eq 'randomizetry') { + $Apache::lonhomework::randomizetrypart = 1; + my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries"); $result .= &randomizetry_part_header($problemstatus,$reqtries,$num); } } @@ -2065,7 +3127,11 @@ sub end_part { $gradestatus=''; } $result.=$gradestatus; - if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';} + if ($$tagstack[-2] eq 'td' and $target eq 'tex') { + if (not $env{'form.problem_split'}=~/yes/) { + $result.='\end{minipage}'; + } + } } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table(); } elsif ($target eq 'modified') { @@ -2073,6 +3139,7 @@ sub end_part { } pop @Apache::inputtags::status; $Apache::inputtags::part=''; + $Apache::inputtags::leniency=''; $Apache::lonhomework::type = $Apache::lonhomework::default_type; return $result; } @@ -2223,17 +3290,22 @@ sub end_startouttext { if ($target eq 'edit') { my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth; $text=&Apache::lonxml::get_all_text("endouttext",$parser,$style); - $result.=&Apache::edit::start_table($token)."
".&mt('Text Block')."
".&Apache::loncommon::insert_folding_button() + ." ".&mt('Text Block')."'.&mt('Delete?').' ' .&Apache::edit::deletelist($target,$token) .'' - .&Apache::lonhtmlcommon::dragmath_button($areaid,1) - .''; + if (&Apache::loncommon::nocodemirror()) { + $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1); + } else { + $result.=' '; + } + $result.='' .&Apache::edit::insertlist($target,$token) .'' . + .'' . &Apache::loncommon::helpLatexCheatsheet(). &Apache::edit::end_row(). &Apache::edit::start_spanning_row()."\n". @@ -2324,7 +3396,7 @@ sub practice_problem_header { } sub randomizetry_problem_header { - my ($problemstatus,$reqtries) = @_; + my ($problemstatus,$reqtries,$symb) = @_; my ($header,$text); if ($reqtries > 1) { $header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries); @@ -2344,8 +3416,13 @@ sub randomizetry_problem_header { $text = &mt('A new variation will be generated after each try until correct or tries limit is reached.'); } } - return '

'.$header.'

'. - ''.$text.'
'; + if (($env{'request.state'} eq "construct") || ($symb eq '')) { + return ''; + } else { + return '

'.$header.'

'. + ''.$text.'
'; + } } sub randomizetry_part_header { @@ -2353,7 +3430,7 @@ sub randomizetry_part_header { my ($header,$text); if ($reqtries eq 'none') { $header = &mt('No Question Variation'); - $text = &mt('For this question there will no new variation after a try.'); + $text = &mt('For this question there will be no new variation after a try.'); } elsif ($reqtries > 1) { $header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries); if (($problemstatus eq 'no') ||