version 1.69, 2001/10/05 12:39:13
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version 1.90, 2002/04/11 17:37:13
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# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# definition of tags that give a structure to a document |
# definition of tags that give a structure to a document |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
# 2/19 Guy |
# 2/19 Guy |
# 6/26/2001 fixed extra web display at end of <web></web> tags |
# 6/26/2001 fixed extra web display at end of <web></web> tags |
# 8/17,8/18,8/20 Gerd Kortemeyer |
# 8/17,8/18,8/20 Gerd Kortemeyer |
Line 9 package Apache::structuretags;
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Line 34 package Apache::structuretags;
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use strict; |
use strict; |
use Apache::lonnet; |
use Apache::lonnet; |
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sub BEGIN { |
BEGIN { |
&Apache::lonxml::register('Apache::structuretags',('block','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext')); |
&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_insert('problem','',('part','postanswerdate','preduedate')) |
} |
} |
Line 42 sub end_tex {
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Line 67 sub end_tex {
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sub page_start { |
sub page_start { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
my $result=&Apache::londefdef::start_html($target,$token,$tagstack,$parstack,$parser,$safeeval); |
my %found; |
my $head_tag_start='<head>'.&Apache::lonxml::registerurl(); |
foreach my $taginside ($tagstack) { |
my $body_tag_start='<body onLoad="'.&Apache::lonxml::loadevents().'" '. |
foreach my $taglookedfor ('html','body','form') { |
'onUnload="'.&Apache::lonxml::unloadevents().'" '; |
if ($taginside =~ /^$taglookedfor$/i) { $found{$taglookedfor} = 1; } |
my $background=&Apache::lonxml::get_param('background',$parstack,$safeeval); |
} |
if ($background) { |
} |
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= |
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$background; |
my $result; |
$body_tag_start.='background="'.$background.'" '; |
my $head_tag_start; |
} else { |
if (!defined($found{'html'})) { |
my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,$safeeval); |
$result=&Apache::londefdef::start_html($target,$token,$tagstack,$parstack, |
if ($bgcolor) { |
$parser,$safeeval); |
$body_tag_start.='bgcolor="'.$bgcolor.'" '; |
$head_tag_start='<head>'.&Apache::lonxml::registerurl(undef,$target); |
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} |
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my $body_tag_start; |
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if (!defined($found{'body'})) { |
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$body_tag_start='<body onLoad="'.&Apache::lonxml::loadevents().'" '. |
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'onUnload="'.&Apache::lonxml::unloadevents().'" '; |
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my $background=&Apache::lonxml::get_param('background',$parstack,$safeeval); |
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if ($background) { |
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$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= |
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$background; |
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$body_tag_start.='background="'.$background.'" '; |
} else { |
} else { |
$body_tag_start.='bgcolor="#ffffff"'; |
my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,$safeeval); |
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if ($bgcolor) { |
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$body_tag_start.='bgcolor="'.$bgcolor.'" '; |
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} else { |
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$body_tag_start.='bgcolor="#ffffff"'; |
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} |
} |
} |
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$body_tag_start.='>'; |
} |
} |
$body_tag_start.='>'; |
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return ($result,$head_tag_start,$body_tag_start); |
return ($result,$head_tag_start,$body_tag_start); |
} |
} |
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Line 68 sub initialize_storage {
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Line 108 sub initialize_storage {
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my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); |
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); |
if ($ENV{'request.state'} eq 'construct') { |
if ($ENV{'request.state'} eq 'construct') { |
%Apache::lonhomework::history= |
%Apache::lonhomework::history= |
&Apache::lonnet::restore($ENV{'request.uri'},'nohist_construct',$domain,$name); |
&Apache::lonnet::tmprestore($ENV{'request.uri'},'',$domain,$name); |
my ($temp)=keys %Apache::lonhomework::history ; |
my ($temp)=keys %Apache::lonhomework::history ; |
&Apache::lonxml::debug("Return message of $temp"); |
&Apache::lonxml::debug("Return message of $temp"); |
} else { |
} else { |
Line 90 sub finalize_storage {
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Line 130 sub finalize_storage {
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if ( $temp ne '' ) { |
if ( $temp ne '' ) { |
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); |
my ($symb,$courseid,$domain,$name) = &Apache::lonxml::whichuser(); |
if ($ENV{'request.state'} eq 'construct') { |
if ($ENV{'request.state'} eq 'construct') { |
$result=&Apache::lonnet::cstore(\%Apache::lonhomework::results, |
$result=&Apache::lonnet::tmpstore(\%Apache::lonhomework::results, |
$ENV{'request.uri'},'nohist_construct', |
$ENV{'request.uri'},'',$domain,$name); |
$domain,$name); |
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&Apache::lonxml::debug('Construct Store return message:'.$result); |
&Apache::lonxml::debug('Construct Store return message:'.$result); |
} else { |
} else { |
$result=&Apache::lonnet::cstore(\%Apache::lonhomework::results, |
$result=&Apache::lonnet::cstore(\%Apache::lonhomework::results, |
Line 123 ENDCHECKOUT
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Line 162 ENDCHECKOUT
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sub start_problem { |
sub start_problem { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
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# meta is called from lonpublisher, which doesn't uses the normal |
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# lonhomework method of parsing the file which means that inputtags |
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# won't get reset |
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if ( $Apache::inputtags::part ne '' && $target != 'meta' ) { |
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&Apache::lonxml::error('Only one problem allowed in a .problem file'); |
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my $bodytext=&Apache::lonxml::get_all_text("/problem",$$parser[-1]); |
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return ''; |
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} |
#intialize globals |
#intialize globals |
$Apache::inputtags::part='0'; |
$Apache::inputtags::part='0'; |
@Apache::inputtags::responselist = (); |
@Apache::inputtags::responselist = (); |
@Apache::inputtags::previous=(); |
@Apache::inputtags::previous=(); |
&initialize_storage(); |
if ($target ne 'analyze') { |
$Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type'); |
&initialize_storage(); |
&Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:"); |
if ($target eq 'web') { |
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&Apache::lonhomework::showhash(%Apache::lonhomework::history); |
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} |
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$Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type'); |
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&Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:"); |
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} |
if ($Apache::lonhomework::type eq '') { |
if ($Apache::lonhomework::type eq '') { |
my $uri=$ENV{'request.uri'}; |
my $uri=$ENV{'request.uri'}; |
if ($uri=~/\.(\w+)$/) { |
if ($uri=~/\.(\w+)$/) { |
Line 210 sub start_problem {
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Line 262 sub start_problem {
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$result.= |
$result.= |
'<input type="hidden" name="problemmode" value="View" /> |
'<input type="hidden" name="problemmode" value="View" /> |
<input type="submit" name="problemmode" value="Edit" /> |
<input type="submit" name="problemmode" value="Edit" /> |
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<input type="submit" name="problemmode" value="EditXML" /> |
Random Seed:<input type="text" name="rndseed" width="10" value="'. |
Random Seed:<input type="text" name="rndseed" width="10" value="'. |
$rndseed.'" /><hr />'; |
$rndseed.'" /> |
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<input type="submit" name="changerandseed" value="Change" /> |
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<input type="submit" name="resetdata" value="Reset Submissions" /> |
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<hr />'; |
} |
} |
# if we are viewing someone else preserve that info |
# if we are viewing someone else preserve that info |
if (defined $ENV{'form.grade_symb'}) { |
if (defined $ENV{'form.grade_symb'}) { |
Line 233 sub start_problem {
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Line 289 sub start_problem {
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<input type="hidden" name="submitted" value="edit" /> |
<input type="hidden" name="submitted" value="edit" /> |
<input type="hidden" name="problemmode" value="Edit" /> |
<input type="hidden" name="problemmode" value="Edit" /> |
<input type="submit" name="problemmode" value="View" /> |
<input type="submit" name="problemmode" value="View" /> |
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<input type="submit" name="problemmode" value="EditXML" /> |
<input type="submit" name="Undo" value="undo" /> <hr /> |
<input type="submit" name="Undo" value="undo" /> <hr /> |
<input type="submit" name="submit" value="Submit Changes" /><br /> |
<input type="submit" name="submit" value="Submit Changes" /><br /> |
'; |
'; |
Line 241 sub start_problem {
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Line 298 sub start_problem {
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} elsif ($target eq 'modified') { |
} elsif ($target eq 'modified') { |
$result=$token->[4]; |
$result=$token->[4]; |
$result.=&Apache::edit::handle_insert(); |
$result.=&Apache::edit::handle_insert(); |
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} elsif ($target eq 'tex') { |
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$result .= '\begin{document} '; |
} else { |
} else { |
# page_start returned a starting result, delete it if we don't need it |
# page_start returned a starting result, delete it if we don't need it |
$result = ''; |
$result = ''; |
Line 253 sub end_problem {
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Line 312 sub end_problem {
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my $result=''; |
my $result=''; |
my $status=$Apache::inputtags::status['-1']; |
my $status=$Apache::inputtags::status['-1']; |
if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ) { |
if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ) { |
if ( $target eq 'grade' && $Apache::inputtags::part eq '0' && |
if ( $target eq 'grade' && $Apache::inputtags::part eq '0') { |
$status eq 'CAN_ANSWER') { |
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# if part is zero, no <part>s existed, so we need to the grading |
# if part is zero, no <part>s existed, so we need to the grading |
&Apache::inputtags::grade; |
&Apache::inputtags::grade; |
} elsif ( $target eq 'web' && $Apache::inputtags::part eq '0') { |
} elsif ( $target eq 'web' && $Apache::inputtags::part eq '0') { |
Line 284 sub end_problem {
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Line 342 sub end_problem {
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} elsif ($target eq 'edit') { |
} elsif ($target eq 'edit') { |
&Apache::lonxml::debug("in end_problem with $target, edit"); |
&Apache::lonxml::debug("in end_problem with $target, edit"); |
$result='<br /><input type="submit" name="submit" value="Submit Changes" />'; |
$result='<br /><input type="submit" name="submit" value="Submit Changes" />'; |
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} elsif ($target eq 'tex') { |
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$result .= '\vskip 0.5mm\noindent\makebox[9.0cm][b]{\hrulefill}\end{document}'; |
} |
} |
return $result; |
return $result; |
} |
} |
Line 379 sub end_while {
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Line 439 sub end_while {
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# </randomlist> |
# </randomlist> |
sub start_randomlist { |
sub start_randomlist { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
my $body= &Apache::lonxml::get_all_text("/randomlist",$$parser[$#$parser]); |
my $result; |
my $b_parser= HTML::TokeParser->new(\$body); |
if ($target eq 'answer' || $target eq 'grade' || $target eq 'web') { |
my $b_tok; |
my $body= &Apache::lonxml::get_all_text("/randomlist",$$parser[$#$parser]); |
my @randomlist; |
my $b_parser= HTML::TokeParser->new(\$body); |
my $list_item; |
my $b_tok; |
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my @randomlist; |
while($b_tok = $b_parser->get_token() ) { |
my $list_item; |
if($b_tok->[0] eq 'S') { # start tag |
while($b_tok = $b_parser->get_token() ) { |
# get content of the tag until matching end tag |
if($b_tok->[0] eq 'S') { # start tag |
# get all text upto the matching tag |
# get content of the tag until matching end tag |
# and push the content into @randomlist |
# get all text upto the matching tag |
$list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],$b_parser); |
# and push the content into @randomlist |
$list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>"; |
$list_item = &Apache::lonxml::get_all_text('/'.$b_tok->[1],$b_parser); |
push(@randomlist,$list_item); |
$list_item = "$b_tok->[4]"."$list_item"."</$b_tok->[1]>"; |
# print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4], $list_item</b>"; |
push(@randomlist,$list_item); |
} |
# print "<br /><b>START-TAG $b_tok->[1], $b_tok->[4], $list_item</b>"; |
if($b_tok->[0] eq 'T') { # text |
} |
# what to do with text in between tags? |
if($b_tok->[0] eq 'T') { # text |
# print "<b>TEXT $b_tok->[1]</b><br />"; |
# what to do with text in between tags? |
} |
# print "<b>TEXT $b_tok->[1]</b><br />"; |
# if($b_tok->[0] eq 'E') { # end tag, should not happen |
} |
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# if($b_tok->[0] eq 'E') { # end tag, should not happen |
# print "<b>END-TAG $b_tok->[1]</b><br />"; |
# print "<b>END-TAG $b_tok->[1]</b><br />"; |
# } |
# } |
} |
} |
my @idx_arr = (0 .. $#randomlist); |
my @idx_arr = (0 .. $#randomlist); |
&Apache::structuretags::shuffle(\@idx_arr); |
&Apache::structuretags::shuffle(\@idx_arr); |
my $bodytext = ''; |
my $bodytext = ''; |
for(0 .. $#randomlist) { |
my $show=$#randomlist; |
$bodytext .= "$randomlist[ $idx_arr[$_] ]"; |
my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval); |
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$showarg--; |
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if ( ($showarg >= 0) && ($showarg < $show) ) { $show = $showarg; } |
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for(0 .. $show) { |
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$bodytext .= "$randomlist[ $idx_arr[$_] ]"; |
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} |
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&Apache::lonxml::newparser($parser,\$bodytext); |
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} elsif ($target eq 'edit' ) { |
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$result .= &Apache::edit::tag_start($target,$token); |
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$result .= &Apache::edit::text_arg('Maximum Tags to Show:','show',$token,5); |
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$result .= &Apache::edit::end_row().&Apache::edit::start_spanning_row(); |
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} elsif ($target eq 'modified' ) { |
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my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval, |
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'show'); |
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if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } |
} |
} |
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return $result; |
&Apache::lonxml::newparser($parser,\$bodytext); |
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return ""; |
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} |
} |
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sub shuffle { |
sub shuffle { |
my $a=shift; |
my $a=shift; |
my $i; |
my $i; |
&Apache::response::setrandomnumber(); |
if (defined(@$a)) { |
for($i=@$a;--$i;) { |
&Apache::response::setrandomnumber(); |
my $j=int rand($i+1); |
for($i=@$a;--$i;) { |
next if $i == $j; |
my $j=int rand($i+1); |
@$a[$i,$j] = @$a[$j,$i]; |
next if $i == $j; |
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@$a[$i,$j] = @$a[$j,$i]; |
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} |
} |
} |
} |
} |
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sub end_randomlist { |
sub end_randomlist { |
return ''; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_; |
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my $result; |
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if ($target eq 'edit' ) { |
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$result=&Apache::edit::tag_end($target,$token,'End Randomly Parsed Block'); |
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} |
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return $result; |
} |
} |
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sub start_part { |
sub start_part { |
Line 542 sub end_startouttext {
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Line 622 sub end_startouttext {
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my $text=''; |
my $text=''; |
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if ($target eq 'edit') { |
if ($target eq 'edit') { |
$text=&Apache::lonxml::get_all_text("endouttext",$$parser[$#$parser]); |
$text=&Apache::lonxml::get_all_text("endouttext",$$parser[-1]); |
$result.=&Apache::edit::start_table($token)."<tr><td>Text Block</td> |
$result.=&Apache::edit::start_table($token)."<tr><td>Text Block</td> |
<td>Delete:". |
<td>Delete:". |
&Apache::edit::deletelist($target,$token) |
&Apache::edit::deletelist($target,$token) |
."</td> |
."</td> |
<td>". |
<td>". |
&Apache::edit::insertlist($target,$token). |
&Apache::edit::insertlist($target,$token). |
"</td> |
&Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n". |
</tr><tr><td colspan=\"3\">\n". |
&Apache::edit::editfield($token->[1],$text,"",50,4); |
&Apache::edit::editfield($token->[1],$text,"",50,4); |
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} |
} |
if ($target eq 'modified') { |
if ($target eq 'modified') { |
$text=&Apache::lonxml::get_all_text("endouttext",$$parser['-1']); |
$text=&Apache::lonxml::get_all_text("endouttext",$$parser['-1']); |
$result='<startouttext />'.&Apache::edit::modifiedfield(); |
$result='<startouttext />'.&Apache::edit::modifiedfield(); |
} |
} |
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if ($target eq 'tex') { |
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$result .= '\noindent '; |
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} |
return $result; |
return $result; |
} |
} |
sub start_endouttext { |
sub start_endouttext { |