--- loncom/homework/structuretags.pm 2004/09/09 08:59:56 1.267 +++ loncom/homework/structuretags.pm 2009/05/11 16:51:22 1.444 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # definition of tags that give a structure to a document # -# $Id: structuretags.pm,v 1.267 2004/09/09 08:59:56 albertel Exp $ +# $Id: structuretags.pm,v 1.444 2009/05/11 16:51:22 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -27,6 +27,29 @@ # ### +=pod + +=head1 NAME + +Apache::structuretags + +=head1 SYNOPSIS + + +This is part of the LearningOnline Network with CAPA project +described at http://www.lon-capa.org. + + +=head1 NOTABLE SUBROUTINES + +=over + +=item + +=back + +=cut + package Apache::structuretags; @@ -36,16 +59,31 @@ use Apache::File(); use Apache::lonmenu; use Apache::lonlocal; use Apache::lonxml; +use Apache::londefdef; +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')); + &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','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') { - return $bodytext; + my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; + if ($target ne 'edit' && $target ne 'modified') { + my $bodytext=&Apache::lonxml::get_all_text("/web",$parser,$style); + if ($target eq 'web' || $target eq 'webgrade') { + return $bodytext; + } + } elsif ($target eq "edit" ) { + my $bodytext = + &Apache::lonxml::get_all_text_unbalanced("/web",$parser); + my $result = &Apache::edit::tag_start($target,$token); + $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1); + return $result; + } elsif ( $target eq "modified" ) { + return $token->[4].&Apache::edit::modifiedfield("/web",$parser); } return ''; } @@ -55,11 +93,28 @@ 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); - if ($target eq 'tex') { - return $bodytext.' '; + if ($target ne 'edit' && $target ne 'modified') { + my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser,$style); + if ($target eq 'tex') { + + # If inside a table, occurrences of \\ must be removed; + # else the table blows up. + + if (&Apache::londefdef::is_inside_of($tagstack, "table")) { + $bodytext =~ s/\\\\//g; + } + return $bodytext.'{}'; + } + } elsif ($target eq "edit" ) { + my $bodytext = + &Apache::lonxml::get_all_text_unbalanced("/tex",$parser); + my $result = &Apache::edit::tag_start($target,$token); + $result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1); + return $result; + } elsif ( $target eq "modified" ) { + return $token->[4].&Apache::edit::modifiedfield("/tex",$parser); } return $result;; } @@ -68,8 +123,47 @@ sub end_tex { return ''; } +sub homework_js { + return &Apache::loncommon::resize_textarea_js(). + &setmode_javascript(). + <<'JS'; + +JS +} + +sub setmode_javascript { + return <<"ENDSCRIPT"; + +ENDSCRIPT +} + sub page_start { - my ($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') { @@ -77,101 +171,165 @@ 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(); - } - my $body_tag_start; - if (!defined($found{'body'})) { - $body_tag_start='\n". + "if (typeof swmenu != 'undefined') {swmenu.currentURL=null;}\n". + &Apache::loncommon::browser_and_searcher_javascript(). + "\n\n"; + } + } + + if (defined($found{'body'})) { + $body_args{'skip_phases'}{'body'}=1; + } elsif (!defined($found{'body'}) + && $env{'request.state'} eq 'construct') { + if ($target eq 'web' || $target eq 'edit') { + if ($env{'environment.remote'} ne 'off') { + $body_args{'only_body'} = 1; + } + } + } elsif (!defined($found{'body'})) { + my %add_entries; my $background=&Apache::lonxml::get_param('background',$parstack, $safeeval); - if ($ENV{'browser.imagesuppress'} eq 'on') { $background=''; } - if ($background) { - $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= - $background; - $body_tag_start.='background="'.$background.'" '; - } else { - my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack, - $safeeval); - if (($bgcolor) && ($ENV{'browser.blackwhite'} ne 'on')) { - $body_tag_start.='bgcolor="'.$bgcolor.'" '; - } else { - $body_tag_start.='bgcolor="#ffffff"'; - } + if ($background ne '' ) { + $add_entries{'background'} = $background; } - if ($ENV{'browser.fontenhance'} eq 'on') { - $body_tag_start.=' style="font-size: x-large;" '; + + 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; + $body_args{'add_entries'} = \%add_entries; + if ($env{'environment.remote'} eq 'off' + && $env{'request.state'} eq 'construct') { + $body_args{'only_body'} = 1; } - $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1); - if ($target eq 'web' && $ENV{'request.state'} ne 'construct') { - my ($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.")."