--- loncom/homework/structuretags.pm 2004/11/30 23:28:57 1.273 +++ loncom/homework/structuretags.pm 2006/06/26 22:33:22 1.359 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # definition of tags that give a structure to a document # -# $Id: structuretags.pm,v 1.273 2004/11/30 23:28:57 albertel Exp $ +# $Id: structuretags.pm,v 1.359 2006/06/26 22:33:22 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -36,15 +36,19 @@ use Apache::File(); use Apache::lonmenu; use Apache::lonlocal; use Apache::lonxml; +use Apache::lonenc(); use Time::HiRes qw( gettimeofday tv_interval ); +use lib '/home/httpd/lib/perl/'; +use LONCAPA; + BEGIN { &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag')); } sub start_web { - my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; - my $bodytext=&Apache::lonxml::get_all_text("/web",$parser); - if ($target eq 'web') { + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style); + if ($target eq 'web' || $target eq 'webgrade') { return $bodytext; } return ''; @@ -55,9 +59,9 @@ sub end_web { } sub start_tex { - my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; - my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser); + my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style); if ($target eq 'tex') { return $bodytext.' '; } @@ -69,7 +73,8 @@ sub end_tex { } sub page_start { - my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name, + $extra_head)=@_; my %found; foreach my $taginside (@$tagstack) { foreach my $taglookedfor ('html','body','form') { @@ -77,62 +82,97 @@ sub page_start { } } - my $result; - my $head_tag_start; - if (!defined($found{'html'})) { - $result=&Apache::londefdef::start_html($target,$token,$tagstack, - $parstack,$parser,$safeeval); - $head_tag_start=''.&Apache::lonmenu::registerurl(undef,$target). - &Apache::lonhtmlcommon::htmlareaheaders(). - &Apache::lonhtmlcommon::spellheader(). - &Apache::lonxml::fontsettings(); - } - my $body_tag_start; - if (!defined($found{'body'}) && $ENV{'request.state'} eq 'construct' - && $ENV{'environment.remote'} eq 'off') { - $body_tag_start=&Apache::loncommon::bodytag(); + if ($target eq 'tex') { + return + &Apache::londefdef::start_html($target,$token,$tagstack, + $parstack,$parser,$safeeval); + } + + my %body_args; + if (defined($found{'html'})) { + $body_args{'skip_phases'}{'head'}=1; + } else { + + $extra_head .= &Apache::lonhtmlcommon::spellheader(); + + my $css_href = &Apache::lonnet::EXT('resource.0.cssfile'); + if ($css_href =~ /\S/) { + &Apache::lonxml::extlink($css_href); + $extra_head .= + ''; + } + if ($target eq 'edit') { + $extra_head.=&Apache::edit::js_change_detection(). + "\n"; + } + } + + if (defined($found{'body'})) { + $body_args{'skip_phases'}{'body'}=1; + } elsif (!defined($found{'body'}) + && $env{'request.state'} eq 'construct') { + if ($target eq 'web' || $target eq 'edit') { + # no extra args to bodytag + } } elsif (!defined($found{'body'})) { - $body_tag_start='"; - $body_tag_start.=$help; - } + + my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack, + $safeeval); + if ($bgcolor eq '' ) { $bgcolor = '#FFFFFF'; } + + $body_args{'bgcolor'} = $bgcolor; + $body_args{'no_title'} = 1; + $body_args{'force_register'} = 1; + $body_args{'add_entries'} = \%add_entries; + } + + my $page_start = &Apache::loncommon::start_page($name,$extra_head, + \%body_args); + + if (!defined($found{'body'}) + && $env{'request.state'} ne 'construct' + && ($target eq 'web' || $target eq 'webgrade')) { + + my ($symb,undef,undef,undef,$publicuser)= &Apache::lonxml::whichuser(); + if ($symb eq '' && !$publicuser) { + my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference"); + $help=&mt("Browsing resource, all submissions are temporary.")."
"; + $page_start .= $help; } - $body_tag_start.=&Apache::lonxml::message_location(); } + + if (!defined($found{'body'})) { + $page_start .= &Apache::lonxml::message_location(); + } + my $form_tag_start; if (!defined($found{'form'})) { - $form_tag_start='
'; + $form_tag_start=''; + } } - return ($result,$head_tag_start,$body_tag_start,$form_tag_start); + return ($page_start,$form_tag_start); } #use Time::HiRes(); @@ -141,13 +181,14 @@ sub get_resource_name { if (defined($Apache::lonhomework::name)) { return $Apache::lonhomework::name; } - my $name=&Apache::lonnet::gettitle(); + my ($symb)=&Apache::lonxml::whichuser(); + my $name=&Apache::lonnet::gettitle($symb); if ($name eq '') { $name=&Apache::lonnet::EXT('resource.title'); if ($name eq 'con_lost') { $name = ''; } } if ($name!~/\S+/) { - $name=$ENV{'request.uri'}; + $name=$env{'request.uri'}; $name=~s-.*/([^/]+)$-$1-; } $Apache::lonhomework::name=$name; @@ -158,26 +199,30 @@ sub setup_rndseed { my ($safeeval)=@_; my $rndseed; my ($symb)=&Apache::lonxml::whichuser(); - if ($ENV{'request.state'} eq "construct" || $symb eq '' || - $Apache::lonhomework::history{'resource.CODE'}) { - $rndseed=$ENV{'form.rndseed'}; + if ($env{'request.state'} eq "construct" + || $symb eq '' + || $Apache::lonhomework::type eq 'practice' + || $Apache::lonhomework::history{'resource.CODE'}) { + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['rndseed']); + $rndseed=$env{'form.rndseed'}; if (!$rndseed) { $rndseed=$Apache::lonhomework::history{'rndseed'}; if (!$rndseed) { $rndseed=time; } - $ENV{'form.rndseed'}=$rndseed; + $env{'form.rndseed'}=$rndseed; } - if ($ENV{'form.resetdata'} eq &mt('New Problem Variation') || - $ENV{'form.newrandomization'} eq &mt('New Randomization')) { + if ($env{'form.resetdata'} eq &mt('New Problem Variation') || + $env{'form.newrandomization'} eq &mt('New Randomization')) { srand(time); $rndseed=int(rand(2100000000)); - $ENV{'form.rndseed'}=$rndseed; - delete($ENV{'form.resetdata'}); - delete($ENV{'form.newrandomization'}); + $env{'form.rndseed'}=$rndseed; + delete($env{'form.resetdata'}); + delete($env{'form.newrandomization'}); } if (defined($rndseed) && $rndseed ne int($rndseed)) { - $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed)); + $rndseed=join(':',&Apache::lonnet::digest($rndseed)); } if ($Apache::lonhomework::history{'resource.CODE'}) { $rndseed=&Apache::lonnet::rndseed(); @@ -192,9 +237,9 @@ sub setup_rndseed { sub remember_problem_state { return ' - - - '; + + + '; } sub problem_edit_header { @@ -202,26 +247,26 @@ sub problem_edit_header { &Apache::structuretags::remember_problem_state().' - +
'. - &Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help') + &Apache::loncommon::help_open_menu('Problem Editing Help','Problem_Editor_XML_Index',5,'Authoring',undef,undef,undef,'Problem Editing Help') .'
'. - '
'; + '
'; } sub problem_edit_footer { return '

'. - &Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields). - "\n\n\n"; + &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()). + "\n\n".&Apache::loncommon::end_page(); } sub option { my ($value,$name) = @_; my $result ="