loncom/homework/structuretags.pm - diff

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Diff for /loncom/homework/structuretags.pm between versions 1.198 and 1.262

version 1.198, 2003/07/17 18:42:13	version 1.262, 2004/08/10 18:04:22
Line 25	Line 25
#	#
# http://www.lon-capa.org/	# http://www.lon-capa.org/
#	#
# 2/19 Guy	###
# 6/26/2001 fixed extra web display at end of <web></web> tags
# 8/17,8/18,8/20 Gerd Kortemeyer


package Apache::structuretags;	package Apache::structuretags;
Line 36 use strict;	Line 34 use strict;
use Apache::lonnet;	use Apache::lonnet;
use Apache::File();	use Apache::File();
use Apache::lonmenu;	use Apache::lonmenu;
	use Apache::lonlocal;
	use Apache::lonxml;

BEGIN {	BEGIN {
&Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext',	&Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
'simpleeditbutton','definetag'));
}	}

sub start_web {	sub start_web {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
if (!($target eq 'web' \|\| $target eq 'edit' \|\| $target eq 'modified' \|\|	my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);
$target eq 'answer' \|\| $target eq 'grade' \|\| $target eq 'meta' )) {	if ($target eq 'web') {
my $bodytext=&Apache::lonxml::get_all_text("/web",$parser);	return $bodytext;
}	}
return '';	return '';
}	}
Line 58 sub end_web {	Line 57 sub end_web {
sub start_tex {	sub start_tex {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result='';	my $result='';
if (!($target eq 'edit' \|\| $target eq 'modified' \|\|	my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
$target eq 'answer' \|\| $target eq 'grade' \|\| $target eq 'meta' )) {	if ($target eq 'tex') {
&Apache::lonxml::debug("tex 1");	return $bodytext.' ';
my $bodytext=&Apache::lonxml::get_all_text("/tex",$parser);
} elsif ($target eq 'tex') {
$result=&Apache::lonxml::get_all_text("/tex",$parser);
}	}
return $result;;	return $result;;
}	}
Line 75 sub end_tex {	Line 71 sub end_tex {
sub page_start {	sub page_start {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my %found;	my %found;
foreach my $taginside ($tagstack) {	foreach my $taginside (@$tagstack) {
foreach my $taglookedfor ('html','body','form') {	foreach my $taglookedfor ('html','body','form') {
if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}	if ($taginside =~ /^$taglookedfor$/i) {$found{$taglookedfor} = 1;}
}	}
Line 86 sub page_start {	Line 82 sub page_start {
if (!defined($found{'html'})) {	if (!defined($found{'html'})) {
$result=&Apache::londefdef::start_html($target,$token,$tagstack,	$result=&Apache::londefdef::start_html($target,$token,$tagstack,
$parstack,$parser,$safeeval);	$parstack,$parser,$safeeval);
$head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target);	$head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target).
	&Apache::lonhtmlcommon::htmlareaheaders().
	&Apache::lonhtmlcommon::spellheader();
}	}
my $body_tag_start;	my $body_tag_start;
if (!defined($found{'body'})) {	if (!defined($found{'body'})) {
Line 94 sub page_start {	Line 92 sub page_start {
'onUnload="'.&Apache::lonmenu::unloadevents().'" ';	'onUnload="'.&Apache::lonmenu::unloadevents().'" ';
my $background=&Apache::lonxml::get_param('background',$parstack,	my $background=&Apache::lonxml::get_param('background',$parstack,
$safeeval);	$safeeval);
	if ($ENV{'browser.imagesuppress'} eq 'on') { $background=''; }
if ($background) {	if ($background) {
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=	$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
$background;	$background;
Line 101 sub page_start {	Line 100 sub page_start {
} else {	} else {
my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,	my $bgcolor=&Apache::lonxml::get_param('bgcolor',$parstack,
$safeeval);	$safeeval);
if ($bgcolor) {	if (($bgcolor) && ($ENV{'browser.blackwhite'} ne 'on')) {
$body_tag_start.='bgcolor="'.$bgcolor.'" ';	$body_tag_start.='bgcolor="'.$bgcolor.'" ';
} else {	} else {
$body_tag_start.='bgcolor="#ffffff"';	$body_tag_start.='bgcolor="#ffffff"';
}	}
}	}
	if ($ENV{'browser.fontenhance'} eq 'on') {
	$body_tag_start.=' style="font-size: x-large;" ';
	}
$body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);	$body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {	if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {
my ($symb,undef,undef,undef,$publicuser)=	my ($symb,undef,undef,undef,$publicuser)=
&Apache::lonxml::whichuser();	&Apache::lonxml::whichuser();
if ($symb eq '' && !$publicuser) {	if ($symb eq '' && !$publicuser) {
my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");	my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
$help="Browsing resource, all submissions are temporary.<br />";	$help=&mt("Browsing resource, all submissions are temporary.")."<br />";
$body_tag_start.=$help;	$body_tag_start.=$help;
}	}
}	}
	$body_tag_start.=&Apache::lonxml::message_location();
}	}
my $form_tag_start;	my $form_tag_start;
if (!defined($found{'form'})) {	if (!defined($found{'form'})) {
Line 129 sub page_start {	Line 132 sub page_start {
#use Time::HiRes();	#use Time::HiRes();
sub get_resource_name {	sub get_resource_name {
my ($parstack,$safeeval)=@_;	my ($parstack,$safeeval)=@_;
	if (defined($Apache::lonhomework::name)) {
	return $Apache::lonhomework::name;
	}
my $name=&Apache::lonnet::gettitle();	my $name=&Apache::lonnet::gettitle();
if ($name eq '') {	if ($name eq '') {
$name=&Apache::lonnet::EXT('resource.title');	$name=&Apache::lonnet::EXT('resource.title');
if ($name eq 'con_lost') { $name = ''; }	if ($name eq 'con_lost') { $name = ''; }
}	}
	if ($name!~/\S+/) {
	$name=$ENV{'request.uri'};
	$name=~s-.*/([^/]+)$-$1-;
	}
$Apache::lonhomework::name=$name;	$Apache::lonhomework::name=$name;
return $name;	return $name;
}	}
Line 142 sub setup_rndseed {	Line 152 sub setup_rndseed {
my ($safeeval)=@_;	my ($safeeval)=@_;
my $rndseed;	my $rndseed;
my ($symb)=&Apache::lonxml::whichuser();	my ($symb)=&Apache::lonxml::whichuser();
if ($ENV{'request.state'} eq "construct" \|\| $symb eq '') {	if ($ENV{'request.state'} eq "construct" \|\| $symb eq '' \|\|
	$Apache::lonhomework::history{'resource.CODE'}) {
$rndseed=$ENV{'form.rndseed'};	$rndseed=$ENV{'form.rndseed'};
if (!$rndseed) {	if (!$rndseed) {
$rndseed=$Apache::lonhomework::history{'rndseed'};	$rndseed=$Apache::lonhomework::history{'rndseed'};
if (!$rndseed) {	if (!$rndseed) {
$rndseed=time;	$rndseed=time;
$ENV{'form.rndseed'}=$rndseed;
}	}
	$ENV{'form.rndseed'}=$rndseed;
}	}
if ($ENV{'form.resetdata'} eq 'New Problem Variation' \|\|	if ($ENV{'form.resetdata'} eq &mt('New Problem Variation') \|\|
$ENV{'form.newrandomization'} eq 'New Randomization') {	$ENV{'form.newrandomization'} eq &mt('New Randomization')) {
srand(time);	srand(time);
$rndseed=int(rand(2100000000));	$rndseed=int(rand(2100000000));
$ENV{'form.rndseed'}=$rndseed;	$ENV{'form.rndseed'}=$rndseed;
Line 162 sub setup_rndseed {	Line 173 sub setup_rndseed {
if (defined($rndseed) && $rndseed ne int($rndseed)) {	if (defined($rndseed) && $rndseed ne int($rndseed)) {
$rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));	$rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));
}	}
&Apache::lonxml::debug("Setting rndseed to $rndseed");	if ($Apache::lonhomework::history{'resource.CODE'}) {
&Apache::run::run('$external::randomseed='.$rndseed.';',$safeeval);	$rndseed=&Apache::lonnet::rndseed();
	}
	if ($safeeval) {
	&Apache::lonxml::debug("Setting rndseed to $rndseed");
	&Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
	}
}	}
return $rndseed;	return $rndseed;
}	}

sub problem_edit_header {	sub problem_edit_header {
return '<input type="hidden" name="submitted" value="edit" />	return '<input type="hidden" name="submitted" value="edit" />
<input type="hidden" name="problemmode" value="Edit" />	<input type="hidden" name="problemmode" value="'.&mt('Edit').'" />
<input type="submit" name="problemmode" value="Discard Edits and View" />	<input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
<input type="submit" name="problemmode" value="EditXML" />	<input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
<input type="submit" name="Undo" value="undo" /> <hr />	<input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" /> <hr />
<input type="submit" name="submit" value="Submit Changes and Edit" />	<input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes and Edit').'" />
<input type="submit" name="submit" value="Submit Changes and View" /><br /><p> </p><table border="0"><tr><td bgcolor="#DDDDDD">	<input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" /><table><tr><td>'.
';	&Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help')
	.'</td></tr></table>'.
	'<table border="0"><tr><td bgcolor="#DDDDDD">';
}	}

sub problem_edit_footer {	sub problem_edit_footer {
return '</td></tr></table><br /><input type="submit" name="submit" value="Submit Changes and Edit" />	return '</td></tr></table><br /><input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />
<input type="submit" name="submit" value="Submit Changes and View" />';	<input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />'.
	&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields).
	"\n</form>\n</body>\n</html>";
	}

	sub option {
	my ($value,$name) = @_;
	my $result ="<option value='".$value."' ";
	if ($ENV{'form.'.$name} eq $value) {
	$result.=" selected='on' ";
	}
	$result.='>';
	return $result;
}	}

sub problem_web_to_edit_header {	sub problem_web_to_edit_header {
my ($rndseed)=@_;	my ($rndseed)=@_;
my $result.='<input type="hidden" name="problemmode" value="View" />	my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />
<input type="submit" name="problemmode" value="Edit" />	<input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />
<input type="submit" name="problemmode" value="EditXML" />	<input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
<input type="submit" name="newrandomization" value="New Randomization" />	<input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
<input type="submit" name="resetdata" value="Reset Submissions" />	<input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
<nobr><input type="submit" name="changerandseed" value="Change Random Seed To:" />	<nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
<input type="text" name="rndseed" width="10" value="'.	<input type="text" name="rndseed" width="10" value="'.
$rndseed.'"	$rndseed.'"
onChange="javascript:document.lonhomework.changerandseed.click()" /></nobr>	onChange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
<input type="checkbox" name="showallfoils" ';	<input type="checkbox" name="showallfoils" ';
if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }	if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }
$result.= ' /> Show All Foils	$result.= ' />'.&mt(' Show All Foils').
<hr />';	&Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
	'<hr />';
	$result.="
	<nobr>
	Problem Status:
	<select name='problemstate'>
	<option name=''></option>
	".&option('CLOSED' ,'problemstate').&mt("Closed")."</option>
	".&option('CAN_ANSWER' ,'problemstate').&mt("Answerable")."</option>
	".&option('CANNOT_ANSWER_tries' ,'problemstate').&mt("Open with full tries")."</option>
	".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
	".&option('SHOW_ANSWER' ,'problemstate').&mt("Show Answer")."</option>
	</select>
	</nobr>
	<nobr>
	Problem Type:
	<select name='problemtype'>
	<option name=''></option>
	".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>
	".&option('problem','problemtype').&mt("Homework problem")."</option>
	".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
	</select>
	</nobr>
	<nobr>
	Feedback Mode:
	<select name='problemstatus'>
	<option value=''></option>
	".&option('yes','problemstatus').&mt("Show Feedback")."</option>
	".&option('no', 'problemstatus').&mt("Don't Show Feedback")."</option>
	</select>
	</nobr>
	<input type='submit' name='changeproblemmode' value='".&mt("Change")."' />
	<hr />";
my $numtoanalyze=$ENV{'form.numtoanalyze'};	my $numtoanalyze=$ENV{'form.numtoanalyze'};
if (!$numtoanalyze) { $numtoanalyze=20; }	if (!$numtoanalyze) { $numtoanalyze=20; }
$result.= '<input type="submit" name="problemmode" value="Calculate answers" /> for	$result.= '<input type="submit" name="problemmode" value='.
	&mt('"Calculate answers').'" /> for
<input type="text" name="numtoanalyze" value="'.	<input type="text" name="numtoanalyze" value="'.
$numtoanalyze.'" size="5" /> versions of this problem.'.	$numtoanalyze.'" size="5" /> '.&mt('versions of this problem').
&Apache::loncommon::help_open_topic("Analyze_Problem",	'.'.&Apache::loncommon::help_open_topic("Analyze_Problem",
'',undef,undef,300).	'',undef,undef,300).
'<hr />';	'<hr />';
return $result;	return $result;
}	}

Line 252 sub finalize_storage {	Line 315 sub finalize_storage {
}	}

sub checkout_msg {	sub checkout_msg {
	my %lt=&Apache::lonlocal::texthash(
	'resource'=>'The resource needs to be checked out',
	'id_expln'=>'As a resource gets checked out, a unique timestamped ID is given to it, and a permanent record is left in the system.',
	'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
	'checkout'=>'Check out Exam for Viewing',
	'checkout?'=>'Check out Exam?');
return (<<ENDCHECKOUT);	return (<<ENDCHECKOUT);
<h2>The resource needs to be checked out</h2>	<h2>$lt{'resource'}</h2>
As a resource gets checked out, a unique timestamped ID is given to it, and a	<p>$lt{'id_expln'}</p>
permanent record is left in the system.<p />	<font color="red">
<font color=red>	<p>$lt{'warning'}</p>
Checking out resources is subject to course policies, and may exclude future
credit even if done erroneously.<p />
</font>	</font>
<form name="checkout" method="POST" action="$ENV{'request.uri'}">	<form name="checkout" method="POST" action="$ENV{'request.uri'}">
<input type="hidden" name="doescheckout" value="yes" />	<input type="hidden" name="doescheckout" value="yes" />
<input type="button" name="checkoutbutton" value="Check out Exam for Viewing" onClick="javascript:if (confirm('Check out Exam?')) { document.checkout.submit(); }" />	<input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
</form>	</form>
ENDCHECKOUT	ENDCHECKOUT
}	}

sub start_problem {	sub firstaccess_msg {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($time,$symb)=@_;
	my ($map)=&Apache::lonnet::decode_symb($symb);
	my $foldertitle=&Apache::lonnet::gettitle($map);
	&Apache::lonxml::debug("map is $map title is $foldertitle");
	return (<<ENDCHECKOUT);
	<h2>The resources in "$foldertitle" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources "$foldertitle".</h2>
	<form name="markaccess" method="POST" action="$ENV{'request.uri'}">
	<input type="hidden" name="markaccess" value="yes" />
	<input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
	</form>
	ENDCHECKOUT
	}

if ( $Apache::inputtags::part ne '' \|\|	sub init_problem_globals {
$Apache::lonhomework::parsing_a_problem) {	my ($type)=@_;
&Apache::lonxml::error('Only one <problem> allowed in a .problem file');	#initialize globals
#my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);	if ($type eq 'problem') {
return '';	$Apache::inputtags::part='0';
}	@Apache::inputtags::partlist=('0');

$Apache::lonhomework::parsing_a_problem=1;	$Apache::lonhomework::problemstatus=&get_problem_status('0')
#initialize globals	} else {
$Apache::inputtags::part='0';	$Apache::inputtags::part='';
@Apache::inputtags::partlist=('0');	@Apache::inputtags::partlist=();
	$Apache::lonhomework::problemstatus='';
	}
@Apache::inputtags::responselist = ();	@Apache::inputtags::responselist = ();
@Apache::inputtags::importlist = ();	@Apache::inputtags::importlist = ();
@Apache::inputtags::previous=();	@Apache::inputtags::previous=();
Line 290 sub start_problem {	Line 370 sub start_problem {
@Apache::structuretags::whilebody=();	@Apache::structuretags::whilebody=();
@Apache::structuretags::whileline=();	@Apache::structuretags::whileline=();
$Apache::lonhomework::scantronmode=0;	$Apache::lonhomework::scantronmode=0;
$Apache::lonhomework::problemstatus=	undef($Apache::lonhomework::name);
&Apache::lonnet::EXT('resource.0.problemstatus');
	}

	sub reset_problem_globals {
	my ($type)=@_;
	undef(%Apache::lonhomework::history);
	undef(%Apache::lonhomework::results);
	undef($Apache::inputtags::part);
	#don't undef this, lonhomework.pm takes care of this, we use this to
	#detect if we try to do 2 problems in one file
	# undef($Apache::lonhomework::parsing_a_problem);
	undef($Apache::lonhomework::name);
	}

	sub set_problem_state {
	my ($part)=@_;
	if ($ENV{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
	$Apache::lonhomework::history{"resource.$part.solved"}=
	'correct_by_student';
	}
	}

	sub get_problem_status {
	my ($part)=@_;
	my $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
	&Apache::lonxml::debug("problem status for $part is $problem_status");
	&Apache::lonxml::debug("env probstat is ".$ENV{'form.problemstatus'});
	if ($ENV{'request.state'} eq 'construct' &&
	defined($ENV{'form.problemstatus'})) {
	$problem_status=$ENV{'form.problemstatus'};
	}
	return $problem_status;
	}

	sub start_problem {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;

	if ( $Apache::inputtags::part ne '' \|\|
	$Apache::lonhomework::parsing_a_problem) {
	&Apache::lonxml::error('Only one <problem> allowed in a .problem file');
	#my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
	return '';
	}

	$Apache::lonhomework::parsing_a_problem=1;
	&init_problem_globals('problem');

if (defined($ENV{'scantron.maxquest'})) {	if (defined($ENV{'scantron.maxquest'})) {
$Apache::lonhomework::scantronmode=1;	$Apache::lonhomework::scantronmode=1;
}	}

	&initialize_storage();
if ($target ne 'analyze') {	if ($target ne 'analyze') {
&initialize_storage();
if ($target eq 'web') {	if ($target eq 'web') {
&Apache::lonhomework::showhash(%Apache::lonhomework::history);	&Apache::lonhomework::showhash(%Apache::lonhomework::history);
}	}
	if ($ENV{'request.state'} eq 'construct') { &set_problem_state('0'); }
$Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');	$Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
&Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");	if (($ENV{'request.state'} eq 'construct') &&
	defined($ENV{'form.problemtype'})) {
	$Apache::lonhomework::type=$ENV{'form.problemtype'};
	}
	&Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");
}	}
if ($Apache::lonhomework::type eq '' ) {	if ($Apache::lonhomework::type eq '' ) {
my $uri=$ENV{'request.uri'};	my $uri=$ENV{'request.uri'};
Line 317 sub start_problem {	Line 447 sub start_problem {
}	}

#added vars to the scripting enviroment	#added vars to the scripting enviroment
my $expression='$external::part='.$Apache::inputtags::part.';';	my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
	$expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
&Apache::run::run($expression,$safeeval);	&Apache::run::run($expression,$safeeval);
my $status;	my $status;
my $accessmsg;	my $accessmsg;
Line 341 sub start_problem {	Line 472 sub start_problem {
}	}
$body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);	$body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
}	}
	if ($ENV{'form.markaccess'}) {
	&Apache::lonnet::set_first_access('map');
	}
#handle rand seed in construction space	#handle rand seed in construction space
my $rndseed=&setup_rndseed($safeeval);	my $rndseed=&setup_rndseed($safeeval);
my ($symb)=&Apache::lonxml::whichuser();	my ($symb)=&Apache::lonxml::whichuser();
Line 349 sub start_problem {	Line 482 sub start_problem {
$form_tag_start.='<input type="hidden" name="rndseed" value="'.	$form_tag_start.='<input type="hidden" name="rndseed" value="'.
$rndseed.'" />'.	$rndseed.'" />'.
'<input type="submit" name="resetdata"	'<input type="submit" name="resetdata"
value="New Problem Variation" />'.	value="'.&mt('New Problem Variation').'" />'.
'<input type="hidden" name="username"	'<input type="hidden" name="username"
value="'.$ENV{'form.username'}.'" /> <br />';	value="'.$ENV{'form.username'}.'" /> <br />';
}	}
Line 361 sub start_problem {	Line 494 sub start_problem {
&Apache::lonxml::debug("Got $status");	&Apache::lonxml::debug("Got $status");
if (( $status eq 'CLOSED' ) \|\|	if (( $status eq 'CLOSED' ) \|\|
( $status eq 'UNCHECKEDOUT') \|\|	( $status eq 'UNCHECKEDOUT') \|\|
	( $status eq 'NOT_YET_VIEWED') \|\|
( $status eq 'BANNED') \|\|	( $status eq 'BANNED') \|\|
( $status eq 'UNAVAILABLE')) {	( $status eq 'UNAVAILABLE') \|\|
	( $status eq 'INVALID_ACCESS')) {
my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);	my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
if ( $target eq "web" ) {	if ( $target eq "web" ) {
$result.= $head_tag_start.'</head>';	$result.= $head_tag_start.'</head>';
my $msg=$body_tag_start;	my $msg=$body_tag_start;
if ($status eq 'UNAVAILABLE') {	if ($status eq 'UNAVAILABLE') {
$result.='<h1>Unable to determine if this resource is open due to network problems. Please try again later.</h1>';	$msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
} else {	} elsif ($status ne 'NOT_YET_VIEWED') {
$result.='<h1>Not open to be viewed</h1>';	$msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
}	}
if ($status eq 'CLOSED') {	if ($status eq 'CLOSED' \|\| $status eq 'INVALID_ACCESS') {
$msg.='The problem '.$accessmsg;	$msg.='The problem '.$accessmsg;
} elsif ($status eq 'UNCHECKEDOUT') {	} elsif ($status eq 'UNCHECKEDOUT') {
$msg.=&checkout_msg;	$msg.=&checkout_msg;
	} elsif ($status eq 'NOT_YET_VIEWED') {
	$msg.=&firstaccess_msg($accessmsg,$symb);
}	}
$result.=$msg.'<br />';	$result.=$msg.'<br />';
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';	$result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
if ($status eq 'UNAVAILABLE') {	if ($status eq 'UNAVAILABLE') {
$result.='Unable to determine if this resource is open due to network problems. Please try again later.\vskip 0 mm ';	$result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
} else {	} else {
$result.="Problem is not open to be viewed. It $accessmsg \\vskip 0 mm ";	$result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
}	}
}	}
} elsif ($target eq 'web') {	} elsif ($target eq 'web') {
my $name= &get_resource_name($parstack,$safeeval);	my $name= &get_resource_name($parstack,$safeeval);
if ($status eq 'CAN_ANSWER') {	$result.="$head_tag_start<title>$name</title></head>
# create a page header and exit
$result.="$head_tag_start<title>$name</title></head>
$body_tag_start \n $form_tag_start".	$body_tag_start \n $form_tag_start".
'<input type="hidden" name="submitted" value="yes" />';	'<input type="hidden" name="submitted" value="yes" />';
if ($ENV{'request.state'} eq "construct") {	# create a page header and exit
$result.= &problem_web_to_edit_header($ENV{'form.rndseed'});	if ($ENV{'request.state'} eq "construct") {
}	$result.= &problem_web_to_edit_header($ENV{'form.rndseed'});
# if we are viewing someone else preserve that info	}
if (defined $ENV{'form.grade_symb'}) {	# if we are viewing someone else preserve that info
foreach my $field ('symb','courseid','domain','username') {	if (defined $ENV{'form.grade_symb'}) {
$result .= '<input type="hidden" name="grade_'.$field.	foreach my $field ('symb','courseid','domain','username') {
'" value="'.$ENV{"form.grade_$field"}.'" />'."\n";	$result .= '<input type="hidden" name="grade_'.$field.
}	'" value="'.$ENV{"form.grade_$field"}.'" />'."\n";
}	}
} elsif ($status eq 'SHOW_ANSWER' \|\| $status eq 'CANNOT_ANSWER'
\|\| $status eq 'CLOSED' \|\| $status eq 'UNAVALAILABLE') {
$result.=$head_tag_start.
"<title>$name</title></head>\n$body_tag_start\n";
}	}
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
my $startminipage = '';	my $startminipage = '';
if (not $ENV{'form.problem_split'}=~/yes/) {	if (not $ENV{'form.problem_split'}=~/yes/) {
$startminipage = '\begin{minipage}{\textwidth}';	$startminipage = '\begin{minipage}{\textwidth}';
}	}
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;
my $id = $Apache::inputtags::part;	my $id = $Apache::inputtags::part;
my $weight = &Apache::lonnet::EXT("resource.$id.weight");	my $weight = &Apache::lonnet::EXT("resource.$id.weight");
my $allkeys=&Apache::lonnet::metadata($ENV{'request.uri'},'keys');	my $packages=&Apache::lonnet::metadata($ENV{'request.uri'},'packages');
my @allkeys = split /,/,$allkeys;	my @packages = split /,/,$packages;
my $allow_print_points = 0;	my $allow_print_points = 0;
foreach my $partial_key (@allkeys) {	foreach my $partial_key (@packages) {
if ($partial_key=~m/weight/) {	if ($partial_key=~m/^part_0$/) {
$allow_print_points++;	$allow_print_points=1;
}	}
}	}
my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");	my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");
Line 441 sub start_problem {	Line 566 sub start_problem {
my @due_file_content = <$temp_file>;	my @due_file_content = <$temp_file>;
my $due_file_content = $due_file_content[$#due_file_content];	my $due_file_content = $due_file_content[$#due_file_content];
chomp $due_file_content;	chomp $due_file_content;
my $name_of_resourse= &get_resource_name($parstack,$safeeval);	my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
if ($due_file_content ne $duedate) {	if ($due_file_content ne $duedate) {
$temp_file = Apache::File->new('>'.$filename);	$temp_file = Apache::File->new('>'.$filename);
print $temp_file "$duedate\n";	print $temp_file "$duedate\n";
if (not $ENV{'request.symb'} =~ m/\.page_/) {	if (not $ENV{'request.symb'} =~ m/\.page_/) {
if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {	if(not $duedate=~m/1969/ and $Apache::lonhomework::type ne 'exam') {
$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent\textit{Due date: '.$duedate.'} \vskip 1 mm\noindent '.$startminipage;	$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent\textit{Due date: '.$duedate.'} \vskip 1 mm\noindent '.$startminipage.'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
} else {	} else {
$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm \noindent'.$startminipage;	$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm \noindent'.$startminipage.'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}	if ($Apache::lonhomework::type eq 'exam' and $allow_print_points==1) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
}	}
} else {	} else {
Line 457 sub start_problem {	Line 582 sub start_problem {
}	}
} else {	} else {
if (not $ENV{'request.symb'} =~ m/\.page_/) {	if (not $ENV{'request.symb'} =~ m/\.page_/) {
$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm\noindent'.$startminipage;	$result .= '\begin{document} \typeout{STAMPOFPASSEDRESOURCESTART Resource <h2>"'.$name_of_resourse.'"</h2> located in <br /><small><b>'.$ENV{'request.uri'}.'</b></small><br /> STAMPOFPASSEDRESOURCEEND} \noindent \vskip 1 mm\noindent'.$startminipage.'\addcontentsline{toc}{subsection}{'.$name_of_resourse.'}';
if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}	if (($Apache::lonhomework::type eq 'exam') and ($allow_print_points==1)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
} else {	} else {
$result .= '\vskip 1mm \\\\\\\\';	$result .= '\vskip 1mm \\\\\\\\';
Line 467 sub start_problem {	Line 592 sub start_problem {
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.	$result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
&problem_edit_header();	&problem_edit_header();
	$Apache::lonxml::warnings_error_header=
	&mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
my $temp=&Apache::edit::insertlist($target,$token);	my $temp=&Apache::edit::insertlist($target,$token);
$result.=$temp;	$result.=$temp;
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
Line 485 sub end_problem {	Line 612 sub end_problem {
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' \|\|
$target eq 'tex') {	$target eq 'tex') {
if ( $target eq 'grade' && $Apache::inputtags::part eq '0' &&	if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
$status eq 'CAN_ANSWER' ) {
# if part is zero, no <part>s existed, so we need to the grading	# if part is zero, no <part>s existed, so we need to the grading
&Apache::inputtags::grade;	if ($status eq 'CAN_ANSWER' \|\|$Apache::lonhomework::scantronmode) {
	&Apache::inputtags::grade;
	} else {
	# move any submission data to .hidden
	&Apache::inputtags::hidealldata($Apache::inputtags::part);
	}
} elsif ( ($target eq 'web' \|\| $target eq 'tex') &&	} elsif ( ($target eq 'web' \|\| $target eq 'tex') &&
$Apache::inputtags::part eq '0' &&	$Apache::inputtags::part eq '0' &&
$status ne 'UNCHECKEDOUT') {	$status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
# if part is zero, no <part>s existed, so we need show the current	# if part is zero, no <part>s existed, so we need show the current
# grading status	# grading status
my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);	my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
Line 501 sub end_problem {	Line 632 sub end_problem {
(($target eq 'web') && ($ENV{'request.state'} ne 'construct')) \|\|	(($target eq 'web') && ($ENV{'request.state'} ne 'construct')) \|\|
($target eq 'answer') \|\| ($target eq 'tex')	($target eq 'answer') \|\| ($target eq 'tex')
) {	) {
if ($status eq 'CAN_ANSWER') {	if ($target ne 'tex' &&
if ($target ne 'tex' &&	$ENV{'form.answer_output_mode'} ne 'tex') {
$ENV{'form.answer_output_mode'} ne 'tex') {	$result.="</form>";
$result.="</form></body>\n";	$result.=&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields);
}	$result.="</body>\n";
} elsif ($status eq 'SHOW_ANSWER' \|\| $status eq 'CANNOT_ANSWER' \|\|
$status eq 'UNCHECKEDOUT' ) {
if ($target ne 'tex' &&
$ENV{'form.answer_output_mode'} ne 'tex') {
$result.="</body>\n";
}
}	}
if ($target eq 'web') {	if ($target eq 'web') {
$result.=&Apache::lonxml::xmlend();	$result.=&Apache::lonxml::xmlend();
Line 520 sub end_problem {	Line 645 sub end_problem {
if (not $ENV{'form.problem_split'}=~/yes/) {	if (not $ENV{'form.problem_split'}=~/yes/) {
$endminipage = '\end{minipage}';	$endminipage = '\end{minipage}';
}	}
$result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';	if ($ENV{'form.print_discussions'} eq 'yes') {
if (not $ENV{'request.symb'} =~ m/\.page_/) {	$result.=&Apache::lonxml::xmlend($target,$tagstack,$parstack,$parser,$safeeval);
$result .= $endminipage.'\end{document} ';	$result=~s/<\/html>//;
} else {	} else {
$result .= '';	$result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
	if (not $ENV{'request.symb'} =~ m/\.page_/) {
	$result .= $endminipage.'\end{document} ';
	} else {
	$result .= '';
	}
}	}
}	}
}	}
Line 542 sub end_problem {	Line 672 sub end_problem {
@Apache::inputtags::response=();	@Apache::inputtags::response=();
$result=&Apache::response::mandatory_part_meta;	$result=&Apache::response::mandatory_part_meta;
}	}
	$result.=&Apache::response::meta_part_order();
	$result.=&Apache::response::meta_response_order();
} elsif ($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 = &problem_edit_footer();	$result = &problem_edit_footer();
Line 550 sub end_problem {	Line 682 sub end_problem {
if ($ENV{'request.state'} eq 'construct' && $target eq 'web') {	if ($ENV{'request.state'} eq 'construct' && $target eq 'web') {
&Apache::inputtags::check_for_duplicate_ids();	&Apache::inputtags::check_for_duplicate_ids();
}	}
undef(%Apache::lonhomework::history);
undef(%Apache::lonhomework::results);	&reset_problem_globals('problem');
undef($Apache::inputtags::part);
undef($Apache::lonhomework::parsing_a_problem);

return $result;	return $result;
}	}
Line 562 sub end_problem {	Line 692 sub end_problem {
sub start_library {	sub start_library {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my ($result,$head_tag_start,$body_tag_start,$form_tag_start);	my ($result,$head_tag_start,$body_tag_start,$form_tag_start);
	if ($$tagstack[0] eq 'library') {
	&init_problem_globals('library');
	$Apache::lonhomework::type='problem';
	}
if ($target eq 'edit') {	if ($target eq 'edit') {
($result,$head_tag_start,$body_tag_start,$form_tag_start)=	($result,$head_tag_start,$body_tag_start,$form_tag_start)=
&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);	&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
Line 596 sub end_library {	Line 729 sub end_library {
$ENV{'request.state'} eq "construct") {	$ENV{'request.state'} eq "construct") {
$result.='</form></body>'.&Apache::lonxml::xmlend();	$result.='</form></body>'.&Apache::lonxml::xmlend();
}	}
	if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
return $result;	return $result;
}	}

Line 624 sub end_definetag {	Line 758 sub end_definetag {
}	}

sub start_block {	sub start_block {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;

my $result;	my $result;

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze') {
my $code = $token->[2]->{'condition'};	my $code = $token->[2]->{'condition'};
if ($code) {	if (defined($code)) {
if (!$Apache::lonxml::default_homework_loaded) {	if (!$Apache::lonxml::default_homework_loaded) {
&Apache::lonxml::default_homework_load($safeeval);	&Apache::lonxml::default_homework_load($safeeval);
}	}
Line 641 sub start_block {	Line 775 sub start_block {
$result='1';	$result='1';
}	}
if ( ! $result ) {	if ( ! $result ) {
my $skip=&Apache::lonxml::get_all_text("/block",$parser);	my $skip=&Apache::lonxml::get_all_text("/block",$parser,$style);
&Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");	&Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
}	}
$result='';	$result='';
Line 668 sub end_block {	Line 802 sub end_block {
}	}

sub start_languageblock {	sub start_languageblock {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;

my $result;	my $result;

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze') {
&Apache::lonxml::startredirection();	my $include = $token->[2]->{'include'};
	my $exclude = $token->[2]->{'exclude'};
	my %languages=&Apache::loncommon::display_languages();
	$result='1';
	if ($include) {
	$result='';
	foreach (split(/\,/,$include)) {
	if ($languages{$_}) { $result='1'; }
	}
	}
	if ($exclude) {
	foreach (split(/\,/,$exclude)) {
	if ($languages{$_}) { $result='0'; }
	}
	}
	if ( ! $result ) {
	my $skip=&Apache::lonxml::get_all_text("/languageblock",$parser,
	$style);
	&Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
	}
	$result='';
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result .=&Apache::edit::tag_start($target,$token);	$result .=&Apache::edit::tag_start($target,$token);
$result .=&Apache::edit::text_arg('Include Language:','include',	$result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
$token,40);	$token,40);
$result .=&Apache::edit::text_arg('Exclude Language:','exclude',	$result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
$token,40);	$token,40);
$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
Line 694 sub start_languageblock {	Line 848 sub start_languageblock {
sub end_languageblock {	sub end_languageblock {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $result;	my $result;
	if ($target eq "edit") {
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex' \|\| $target eq 'analyze') {
my $text=&Apache::lonxml::endredirection();
my $include= &Apache::lonxml::get_param('include',$parstack,$safeeval);
my $exclude= &Apache::lonxml::get_param('exclude',$parstack,$safeeval);
my %languages=&Apache::loncommon::display_languages();
$result='1';
if ($include) {
$result='';
foreach (split(/\,/,$include)) {
if ($languages{$_}) { $result='1'; }
}
}
if ($exclude) {
foreach (split(/\,/,$exclude)) {
if ($languages{$_}) { $result='0'; }
}
}
if ( ! $result ) {
$result='';
} else {
$result=$text;
}
} elsif ($target eq "edit") {
$result.= &Apache::edit::tag_end($target,$token,'');	$result.= &Apache::edit::tag_end($target,$token,'');
}	}
return $result;	return $result;
}	}

sub start_instructorcomment {	sub start_instructorcomment {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;

my $result;	my $result;

Line 733 sub start_instructorcomment {	Line 863 sub start_instructorcomment {
$target eq 'tex' \|\| $target eq 'analyze') {	$target eq 'tex' \|\| $target eq 'analyze') {
$result=($ENV{'request.role'}=~/^(in\|cc\|au\|ca\|li)/);	$result=($ENV{'request.role'}=~/^(in\|cc\|au\|ca\|li)/);
if ( ! $result ) {	if ( ! $result ) {
my $skip=&Apache::lonxml::get_all_text("/instructorcomment",$parser);	my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
	$parser,$style);
&Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");	&Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
}	}
$result='';	$result='';
Line 775 sub start_while {	Line 906 sub start_while {
}	}
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result .=&Apache::edit::tag_start($target,$token);	$result .=&Apache::edit::tag_start($target,$token);
$result .=&Apache::edit::text_arg('Test Condition:','condition',	$result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
$token,40);	$token,40);
$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
Line 807 sub end_while {	Line 938 sub end_while {
$return = &Apache::run::run($code,$safeeval);	$return = &Apache::run::run($code,$safeeval);
}	}
if ($error) {	if ($error) {
&Apache::lonxml::error('<pre>Code ran too long. It ran for more than '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' seconds occured while running <while$gt; on line '.$line.'</pre>');	&Apache::lonxml::error('<pre>'.&mt('Code ran too long. It ran for more than').' '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' '.&mt('seconds occured while running <while$gt; on line').' '.$line.'</pre>');
}	}
} elsif ($target eq "edit") {	} elsif ($target eq "edit") {
$result.= &Apache::edit::tag_end($target,$token,'');	$result.= &Apache::edit::tag_end($target,$token,'');
Line 879 sub shuffle {	Line 1010 sub shuffle {
my $a=shift;	my $a=shift;
my $i;	my $i;
if (defined(@$a)) {	if (defined(@$a)) {
&Apache::response::setrandomnumber();	&Apache::response::pushrandomnumber();
for($i=@$a;--$i;) {	for($i=@$a;--$i;) {
my $j=int(&Math::Random::random_uniform() * ($i+1));	my $j=int(&Math::Random::random_uniform() * ($i+1));
next if $i == $j;	next if $i == $j;
@$a[$i,$j] = @$a[$j,$i];	@$a[$i,$j] = @$a[$j,$i];
}	}
	&Apache::response::poprandomnumber();
}	}
}	}

Line 908 sub start_part {	Line 1040 sub start_part {
@Apache::inputtags::response=();	@Apache::inputtags::response=();
@Apache::inputtags::previous=();	@Apache::inputtags::previous=();
@Apache::inputtags::previous_version=();	@Apache::inputtags::previous_version=();
$Apache::lonhomework::problemstatus=	$Apache::lonhomework::problemstatus=&get_problem_status($id);
&Apache::lonnet::EXT("resource.$id.problemstatus");
my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);	my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
	my $newtype=&Apache::lonnet::EXT("resource.$id.type");
	if ($newtype) { $Apache::lonhomework::type=$newtype; }

	my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
	$expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
	&Apache::run::run($expression,$safeeval);

if ($target eq 'meta') {	if ($target eq 'meta') {
return &Apache::response::mandatory_part_meta;	my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
	return &Apache::response::mandatory_part_meta.
	&Apache::response::meta_parameter_write('display','string',$display,'Part Description');
} elsif ($target eq 'web' \|\| $target eq 'grade' \|\|	} elsif ($target eq 'web' \|\| $target eq 'grade' \|\|
$target eq 'answer' \|\| $target eq 'tex') {	$target eq 'answer' \|\| $target eq 'tex') {
if ($hidden) {	if ($hidden) {
Line 924 sub start_part {	Line 1063 sub start_part {
my $expression='$external::datestatus="'.$status.'";';	my $expression='$external::datestatus="'.$status.'";';
$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';	$expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
&Apache::run::run($expression,$safeeval);	&Apache::run::run($expression,$safeeval);
if ( $status eq 'CLOSED' ) {	if ($ENV{'request.state'} eq 'construct') {
	&set_problem_state($Apache::inputtags::part);
	}
	if (( $status eq 'CLOSED' ) \|\|
	( $status eq 'UNCHECKEDOUT') \|\|
	( $status eq 'NOT_YET_VIEWED') \|\|
	( $status eq 'BANNED') \|\|
	( $status eq 'UNAVAILABLE') \|\|
	( $status eq 'INVALID_ACCESS')) {
my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);	my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
if ( $target eq "web" ) {	if ( $target eq "web" ) {
$result="<br />Part is not open to be viewed. It $accessmsg<br />";	$result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
} elsif ( $target eq 'tex' ) {	} elsif ( $target eq 'tex' ) {
if (not $ENV{'form.problem_split'}=~/yes/) {	if (not $ENV{'form.problem_split'}=~/yes/) {
$result="\\end{minipage}\\vskip 0 mm Part is not open to be viewed. It $accessmsg \\\\\\begin{minipage}{\\textwidth}";	$result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
} else {	} else {
$result="\\vskip 0 mm Part is not open to be viewed. It $accessmsg \\\\";	$result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
}	}
}	}
} else {	} else {
Line 941 sub start_part {	Line 1088 sub start_part {
$result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';	$result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
}	}
my $weight = &Apache::lonnet::EXT("resource.$id.weight");	my $weight = &Apache::lonnet::EXT("resource.$id.weight");
if ($Apache::lonhomework::type eq 'exam') { $result .= '\fbox{\textit{'.$weight.' pt}}';}	my $allkeys=&Apache::lonnet::metadata($ENV{'request.uri'},'packages');
	my @allkeys = split /,/,$allkeys;
	my $allow_print_points = 0;
	foreach my $partial_key (@allkeys) {
	if ($partial_key=~m/^part_(.*)$/) {
	if ($1 ne '0') {$allow_print_points=1;}
	}
	}
	if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
	} elsif ($target eq 'web') {
	$result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';
}	}
}	}
}	}
Line 949 sub start_part {	Line 1106 sub start_part {
$result.=&Apache::edit::tag_start($target,$token);	$result.=&Apache::edit::tag_start($target,$token);
$result.=&Apache::edit::text_arg('Part ID:','id',$token).	$result.=&Apache::edit::text_arg('Part ID:','id',$token).
&Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").	&Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
	'  '.
	&Apache::edit::text_arg('Displayed Part Description:','display',$token).
&Apache::edit::end_row().&Apache::edit::start_spanning_row();	&Apache::edit::end_row().&Apache::edit::start_spanning_row();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
my $constructtag=&Apache::edit::get_new_args($token,$parstack,	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
$safeeval,'id');	$safeeval,'id','display');
if ($constructtag) {	if ($constructtag) {
	#limiting ids to only letters numbers, and space
	$token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
$result = &Apache::edit::rebuild_tag($token);	$result = &Apache::edit::rebuild_tag($token);
$result.=&Apache::edit::handle_insert();	$result.=&Apache::edit::handle_insert();
}	}
Line 969 sub end_part {	Line 1130 sub end_part {
my $result='';	my $result='';
if ( $target eq 'meta' ) {	if ( $target eq 'meta' ) {
$result='';	$result='';
} elsif ( $target eq 'grade' && $status eq 'CAN_ANSWER' && !$hidden) {	} elsif ($target eq 'grade') {
$result=&Apache::inputtags::grade;	if (($status eq 'CAN_ANSWER' \|\| $Apache::lonhomework::scantronmode) &&
	!$hidden) {
	$result=&Apache::inputtags::grade;
	} else {
	# move any submission data to .hidden
	&Apache::inputtags::hidealldata($Apache::inputtags::part);
	}
} elsif (($target eq 'web' \|\| $target eq 'tex') && !$hidden ) {	} elsif (($target eq 'web' \|\| $target eq 'tex') && !$hidden ) {
my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,	my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
$target);	$target);
if ($Apache::lonhomework::type eq 'exam') {$gradestatus='';}	if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
	$gradestatus='';
	}
$result=$gradestatus;	$result=$gradestatus;
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result=&Apache::edit::end_table();	$result=&Apache::edit::end_table();
Line 987 sub end_part {	Line 1156 sub end_part {
sub start_preduedate {	sub start_preduedate {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\| $target eq 'tex') {	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\| $target eq 'tex') {
	&Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&	if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER' &&	$Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
$Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {	&Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
&Apache::lonxml::get_all_text("/preduedate",$parser);	&Apache::lonxml::get_all_text("/preduedate",$parser);
}	}
}	}
Line 1002 sub end_preduedate {	Line 1172 sub end_preduedate {

sub start_postanswerdate {	sub start_postanswerdate {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'tex') {	if ($target eq 'web' \|\| $target eq 'grade') {
if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {	if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
&Apache::lonxml::get_all_text("/postanswerdate",$parser);	&Apache::lonxml::get_all_text("/postanswerdate",$parser);
}	}
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
return '\vskip 0 mm \noindent';	&Apache::lonxml::get_all_text("/postanswerdate",$parser);
}	}
return '';	return '';
}	}
Line 1022 sub start_notsolved {	Line 1192 sub start_notsolved {
$target eq 'tex') {	$target eq 'tex') {
my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};	my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
&Apache::lonxml::debug("not solved has :$gradestatus:");	&Apache::lonxml::debug("not solved has :$gradestatus:");
if ($gradestatus =~ /^correct/) {	if ($gradestatus =~ /^correct/ &&
	&Apache::response::show_answer()) {
&Apache::lonxml::debug("skipping");	&Apache::lonxml::debug("skipping");
&Apache::lonxml::get_all_text("/notsolved",$parser);	&Apache::lonxml::get_all_text("/notsolved",$parser);
}	}
Line 1039 sub start_solved {	Line 1210 sub start_solved {
if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex') {	$target eq 'tex') {
my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};	my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
if ($gradestatus !~ /^correct/) {	if ($gradestatus !~ /^correct/ \|\|
	!&Apache::response::show_answer()) {
&Apache::lonxml::get_all_text("/solved",$parser);	&Apache::lonxml::get_all_text("/solved",$parser);
}	}
}	}
Line 1050 sub end_solved {	Line 1222 sub end_solved {
return '';	return '';
}	}

	sub start_problemtype {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
	my $result;
	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
	$target eq 'tex' \|\| $target eq 'analyze') {
	my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
	if (!defined($mode)) { $mode='show'; }
	my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
	my $found=0;
	foreach my $type (split(',',$for)) {
	if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
	}
	if ($mode eq 'show' && !$found) {
	&Apache::lonxml::get_all_text("/problemtype",$parser);
	}
	if ($mode eq 'hide' && $found) {
	&Apache::lonxml::get_all_text("/problemtype",$parser);
	}
	} elsif ($target eq 'edit') {
	$result .=&Apache::edit::tag_start($target,$token);
	$result.=&Apache::edit::select_arg('Mode:','mode',
	[['show','Show'],
	['hide','Hide']]
	,$token);
	$result .=&Apache::edit::checked_arg('When used as type(s):','for',
	[ ['exam','Exam/Quiz Problem'],
	['survey','Survey'],
	['problem','Homework Problem'] ]
	,$token);
	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
	} elsif ($target eq 'modified') {
	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
	$safeeval,'mode','for');
	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
	}
	return $result;
	}

	sub end_problemtype {
	return '';
	}

sub start_startouttext {	sub start_startouttext {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my @result=(''.'');	my @result=(''.'');
Line 1064 sub end_startouttext {	Line 1278 sub end_startouttext {

if ($target eq 'edit') {	if ($target eq 'edit') {
$text=&Apache::lonxml::get_all_text("endouttext",$parser);	$text=&Apache::lonxml::get_all_text("endouttext",$parser);
$result.=&Apache::edit::start_table($token)."<tr><td>Text Block</td>	$result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
<td>Delete:".	<td>".&mt('Delete:').
&Apache::edit::deletelist($target,$token)	&Apache::edit::deletelist($target,$token)
."</td>	."</td>
<td>".	<td>".
Line 1073 sub end_startouttext {	Line 1287 sub end_startouttext {
&Apache::edit::end_row().	&Apache::edit::end_row().
&Apache::edit::start_spanning_row()."\n"	&Apache::edit::start_spanning_row()."\n"
. &Apache::loncommon::helpLatexCheatsheet () .	. &Apache::loncommon::helpLatexCheatsheet () .
&Apache::edit::editfield($token->[1],$text,"",80,4);	&Apache::edit::editfield($token->[1],$text,"",80,8,1);
}	}
if ($target eq 'modified') {	if ($target eq 'modified') {
$text=&Apache::lonxml::get_all_text("endouttext",$parser);	$result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
$result='<startouttext />'.&Apache::edit::modifiedfield();
}	}
if ($target eq 'tex') {	if ($target eq 'tex') {
$result .= '\noindent ';	$result .= '\noindent ';
Line 1121 sub start_simpleeditbutton {	Line 1334 sub start_simpleeditbutton {
my $result='';	my $result='';
if (($target eq 'web') &&	if (($target eq 'web') &&
(&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {	(&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
my $url=$ENV{'REQUEST_URI'};	my $url=$ENV{'request.noversionuri'};
$url=~s/\?.*$//;	$url=~s/\?.*$//;
$result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.	$result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
'<a href="'.$url.'/smpedit">Simple Problem Editor</a> - Note: it can take up to 10 minutes for changes to take effect for all users.'.	'<a href="'.$url.'/smpedit">'.&mt('Simple Problem Editor').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').
&Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';	&Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
}	}
return $result;	return $result;

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.198
changed lines
	Added in v.1.262