--- loncom/homework/structuretags.pm 2002/09/16 20:40:38 1.114 +++ loncom/homework/structuretags.pm 2007/04/07 00:12:43 1.376 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # definition of tags that give a structure to a document # -# $Id: structuretags.pm,v 1.114 2002/09/16 20:40:38 albertel Exp $ +# $Id: structuretags.pm,v 1.376 2007/04/07 00:12:43 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,28 +25,33 @@ # # http://www.lon-capa.org/ # -# 2/19 Guy -# 6/26/2001 fixed extra web display at end of tags -# 8/17,8/18,8/20 Gerd Kortemeyer +### + package Apache::structuretags; use strict; use Apache::lonnet; 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','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext')); -# &Apache::lonxml::register_insert('problem','',('part','postanswerdate','preduedate')) + &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",$$parser[$#$parser]); - if ($target eq 'web') { - return $bodytext; - } - return ''; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style); + if ($target eq 'web' || $target eq 'webgrade') { + return $bodytext; + } + return ''; } sub end_web { @@ -54,12 +59,13 @@ sub end_web { } sub start_tex { - my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; - my $bodytext=&Apache::lonxml::get_all_text("/tex",$$parser[$#$parser]); - if ($target eq 'tex') { - return $bodytext.' '; - } - return ''; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + my $result=''; + my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style); + if ($target eq 'tex') { + return $bodytext.' '; + } + return $result;; } sub end_tex { @@ -67,725 +73,1628 @@ sub end_tex { } sub page_start { - my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; - my %found; - foreach my $taginside ($tagstack) { - foreach my $taglookedfor ('html','body','form') { - if ($taginside =~ /^$taglookedfor$/i) { $found{$taglookedfor} = 1; } - } - } - - my $result; - my $head_tag_start; - if (!defined($found{'html'})) { - $result=&Apache::londefdef::start_html($target,$token,$tagstack,$parstack, - $parser,$safeeval); - $head_tag_start=''.&Apache::lonxml::registerurl(undef,$target); - } - my $body_tag_start; - if (!defined($found{'body'})) { - $body_tag_start=''; - } - return ($result,$head_tag_start,$body_tag_start,$form_tag_start); + + $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'})) { + my %add_entries; + my $background=&Apache::lonxml::get_param('background',$parstack, + $safeeval); + if ($background ne '' ) { + $add_entries{'background'} = $background; + } + + 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; + } + $body_args{'no_auto_mt_title'} = 1; + 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,$publicuser)= &Apache::lonnet::whichuser(); + if ($symb eq '' && !$publicuser) { + my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference"); + $help=&mt("Browsing resource, all submissions are temporary.")."
"; + $page_start .= $help; + } + } + + if (!defined($found{'body'})) { + $page_start .= &Apache::lonxml::message_location(); + } + + my $form_tag_start; + if (!defined($found{'form'})) { + $form_tag_start='
'."\n"; + } + } + return ($page_start,$form_tag_start); } +#use Time::HiRes(); sub get_resource_name { - my ($parstack,$safeeval)=@_; - my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval); - if ($name eq '') { - $name=&Apache::lonnet::EXT('resource.title'); - if ($name eq 'con_lost') { $name = ''; } - } - $Apache::lonhomework::name=$name; - return $name; + my ($parstack,$safeeval)=@_; + if (defined($Apache::lonhomework::name)) { + return $Apache::lonhomework::name; + } + my ($symb)=&Apache::lonnet::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'}; + $name=~s-.*/([^/]+)$-$1-; + } + $Apache::lonhomework::name=$name; + return $name; } sub setup_rndseed { - my ($safeeval)=@_; - my $rndseed; - if ($ENV{'request.state'} eq "construct") { - $rndseed=$ENV{'form.rndseed'}; - if (!$rndseed) { - $rndseed=time; - $ENV{'form.rndseed'}=$rndseed; - } - &Apache::run::run('$external::randomseed='.$rndseed.';',$safeeval); - } - return $rndseed; + my ($safeeval)=@_; + my $rndseed; + my ($symb)=&Apache::lonnet::whichuser(); + 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; + } + if ( ($env{'form.resetdata'} eq &mt('New Problem Variation') + && $env{'form.submitted'} eq 'yes') || + $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'}); + } + if (defined($rndseed) && $rndseed ne int($rndseed)) { + $rndseed=join(':',&Apache::lonnet::digest($rndseed)); + } + if ($Apache::lonhomework::history{'resource.CODE'}) { + $rndseed=&Apache::lonnet::rndseed(); + } + if ($safeeval) { + &Apache::lonxml::debug("Setting rndseed to $rndseed"); + &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval); + } + } + return $rndseed; +} + +sub remember_problem_state { + return ' + + + '; } sub problem_edit_header { - return ' - - - -
- -
- '; + return ''. + &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') + .'
'. + '
'; } sub problem_edit_footer { - return '
- '; + return '

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