--- loncom/homework/structuretags.pm 2004/01/30 16:22:52 1.227.2.1
+++ loncom/homework/structuretags.pm 2011/07/26 17:14:51 1.493
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# definition of tags that give a structure to a document
#
-# $Id: structuretags.pm,v 1.227.2.1 2004/01/30 16:22:52 albertel Exp $
+# $Id: structuretags.pm,v 1.493 2011/07/26 17:14:51 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -25,9 +25,30 @@
#
# 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
+###
+
+=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;
@@ -37,17 +58,32 @@ use Apache::lonnet;
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','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','startpartmarker','startouttext','endpartmarker','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 '';
}
@@ -57,11 +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;;
}
@@ -70,8 +123,210 @@ sub end_tex {
return '';
}
+sub homework_js {
+ return &Apache::loncommon::resize_textarea_js().
+ &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
+}
+
+sub file_overwritechk_js {
+ my $overwritewarn = &mt('File(s) you uploaded for your submission will overwrite existing file(s) submitted for this item').'\\n'.
+ &mt('Continue submission and overwrite the file(s)?');
+ return <<"ENDSCRIPT";
+
+ENDSCRIPT
+}
+
sub page_start {
- my ($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') {
@@ -79,190 +334,669 @@ 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);
- }
- my $body_tag_start;
- if (!defined($found{'body'})) {
- $body_tag_start=' 'math',
+ );
+ $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
+ }
+ my $is_task = ($env{'request.uri'} =~ /\.task$/);
+ my $needs_upload;
+ if ($is_task) {
+ $extra_head .= &file_delchk_js();
+ } else {
+ if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.uploadedfiletypes") ne '') {
+ $needs_upload = 1;
+ } else {
+ unless ($env{'request.state'} eq 'construct') {
+ my ($symb)= &Apache::lonnet::whichuser();
+ 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}) {
+ 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) {
+ $extra_head .= &file_overwritechk_js()."\n".
+ &file_delchk_js();
+ }
+
+ my %body_args;
+ if (defined($found{'html'})) {
+ $body_args{'skip_phases'}{'head'}=1;
+ } else {
+
+ $extra_head .= &Apache::lonhtmlcommon::spellheader();
+
+ $extra_head .= &Apache::londefdef::generate_css_links();
+
+ if ($env{'request.state'} eq 'construct') {
+ $extra_head.=&Apache::edit::js_change_detection().
+ "\n";
}
- if ($ENV{'browser.fontenhance'} eq 'on') {
- $body_tag_start.=' style="font-size: x-large;" ';
+ }
+
+ my $pageheader = '';
+ if (defined($found{'body'})) {
+ $body_args{'skip_phases'}{'body'}=1;
+ } elsif (!defined($found{'body'})
+ && $env{'request.state'} eq 'construct') {
+ if ($target eq 'web' || $target eq 'edit') {
+ # 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
+
+# FIXME Where are we?
+# &Apache::lonhtmlcommon::add_breadcrumb({
+# 'text' => 'Problem Editing', # 'Problem Testing'
+# 'href' => '',
+# });
+ $pageheader =&Apache::loncommon::head_subbox(
+ &Apache::loncommon::CSTR_pageheader());
}
- $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$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.")."
";
- $body_tag_start.=$help;
- }
+ } 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;
+ if ( $env{'request.state'} eq 'construct') {
+ $body_args{'only_body'} = 1;
+ }
+ }
+ $body_args{'no_auto_mt_title'} = 1;
+ my $page_start = &Apache::loncommon::start_page($name,$extra_head,
+ \%body_args);
+ $page_start .= $pageheader;
+ if (!defined($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) {
+ $page_start .= ''
+ .&mt('Browsing resource, all submissions are temporary.')
+ .'
';
+ }
+ }
+
+ if (!defined($found{'body'}) && $env{'request.state'} ne 'construct') {
+ $page_start .= &Apache::lonxml::message_location();
}
my $form_tag_start;
if (!defined($found{'form'})) {
- $form_tag_start='\n".&Apache::loncommon::end_page();
+}
+
+sub option {
+ my ($value,$name) = @_;
+ my $result ="