loncom/homework/structuretags.pm - diff

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Diff for /loncom/homework/structuretags.pm between versions 1.512.2.24.2.10 and 1.525

version 1.512.2.24.2.10, 2024/02/27 19:46:23	version 1.525, 2014/11/28 18:23:04
Line 62 use Apache::lonxml;	Line 62 use Apache::lonxml;
use Apache::londefdef;	use Apache::londefdef;
use Apache::lonenc();	use Apache::lonenc();
use Apache::loncommon();	use Apache::loncommon();
use Apache::lonnavmaps;
use Time::HiRes qw( gettimeofday tv_interval );	use Time::HiRes qw( gettimeofday tv_interval );
use HTML::Entities();
use lib '/home/httpd/lib/perl/';	use lib '/home/httpd/lib/perl/';
use LONCAPA;	use LONCAPA;

Line 226 sub end_tex {	Line 224 sub end_tex {
}	}

sub homework_js {	sub homework_js {
my ($postsubmit,$timeout);
if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
my $crstype;
if (&Apache::loncommon::course_type() eq 'Community') {
$crstype = 'community';
} else {
if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) {
$crstype = 'official';
} elsif ($env{'course.'.$env{'request.course.id'}.'.internal.textbook'}) {
$crstype = 'textbook';
} else {
$crstype = 'unofficial';
}
}
$postsubmit = $env{'course.'.$env{'request.course.id'}.'.internal.postsubmit'};
if ($postsubmit eq '') {
my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
$postsubmit = $domdefs{'postsubmit'};
unless ($postsubmit eq 'off') {
$timeout = $domdefs{$crstype.'postsubtimeout'};
}
} elsif ($postsubmit eq '0') {
$postsubmit = 'off';
} elsif ($postsubmit eq '1') {
$postsubmit = 'on';
$timeout = $env{'course.'.$env{'request.course.id'}.'.internal.postsubtimeout'};
if ($timeout eq '') {
my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
$timeout = $domdefs{$crstype.'postsubtimeout'};
}
}
if ($timeout eq '') {
$timeout = 60;
}
} else {
my %domdefs = &Apache::lonnet::get_domain_defaults($env{'request.role.domain'});
$postsubmit = $domdefs{'postsubmit'};
unless ($postsubmit eq 'off') {
$timeout = 60;
}
}
my $jstimeout = 0;
if ($timeout) {
$jstimeout = 1000 * $timeout;
}
return &Apache::loncommon::resize_textarea_js().	return &Apache::loncommon::resize_textarea_js().
&Apache::loncommon::colorfuleditor_js().	&setmode_javascript().
&Apache::lonxml::setmode_javascript().	<<'JS';
<<"JS";
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
function setSubmittedPart (part,prefix) {	function setSubmittedPart (part,prefix) {
Line 289 function setSubmittedPart (part,prefix)	Line 241 function setSubmittedPart (part,prefix)
}	}
}	}

function disableAutoComplete (id) {
var field = document.getElementById(id);
if (field != null && field != undefined){
if ('autocomplete' in field) {
field.autocomplete = "off";
} else {
field.setAttribute("autocomplete", "off");
}
}
}

function image_response_click (which, e) {	function image_response_click (which, e) {
init_geometry();	init_geometry();
if (!e) { e = window.event; } //IE	if (!e) { e = window.event; } //IE
Line 316 function image_response_click (which, e)	Line 257 function image_response_click (which, e)

var submithandled = 0;	var submithandled = 0;
var keypresshandled = 0;	var keypresshandled = 0;
var postsubmit = '$postsubmit';

\$(document).ready(function(){	$(document).ready(function(){
if (postsubmit != 'off') {
\$(document).keypress(function(event){	$(document).keypress(function(event){
var keycode = (event.keyCode ? event.keyCode : event.which);	var keycode = (event.keyCode ? event.keyCode : event.which);
if ((keycode == '13') && (keypresshandled == 0)) {	if ((keycode == '13') && (keypresshandled == 0)) {
if ( \$( document.activeElement ).hasClass("LC_textline") ) {	if ( $( document.activeElement ).hasClass("LC_textline") ) {
keypresshandled = 1;	keypresshandled = 1;
var idsArray = \$( document.activeElement ).attr("id").split(/HWVAL_/);	var idsArray = $( document.activeElement ).attr("id").split(/HWVAL_/);
if (idsArray.length) {	if (idsArray.length) {
event.preventDefault();	event.preventDefault();
var itemsArray = idsArray[1].split(/_/);	var itemsArray = idsArray[1].split(/_/);
var buttonId = idsArray[0]+'submit_'+itemsArray[0];	var buttonId = idsArray[0]+'submit_'+itemsArray[0];
\$("#"+buttonId).trigger("click");	$("#"+buttonId).trigger("click");
}	}
}	}
}	}
});	});

\$(document).delegate('form :submit', 'click', function( event ) {	$(document).delegate('form :submit', 'click', function( event ) {
if ( \$( this ).hasClass( "LC_hwk_submit" ) ) {	if ( $( this ).hasClass( "LC_hwk_submit" ) ) {
var buttonId = this.id;	var buttonId = this.id;
var timeout = $jstimeout;
if (submithandled == 0) {	if (submithandled == 0) {
submithandled = 1;	submithandled = 1;
\$( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",	$( "#msg_"+buttonId ).css({"display": "inline","background-color": "#87cefa",
"color": "black","padding": "2px"}) ;	"color": "black","padding": "2px"}) ;
if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {	if (( $(this.form).id == "LC_page" ) && ($('input[name="all_submit"]').length )) {
if (buttonId != "all_submit") {	if (buttonId != "all_submit") {
\$( ".LC_status_"+buttonId ).hide();	$( ".LC_status_"+buttonId ).hide();
}	if (( "#"+buttonId+"_pressed" ).length) {
if (( "#"+buttonId+"_pressed" ).length) {	$( "#"+buttonId+"_pressed" ).val( "1" );
\$( "#"+buttonId+"_pressed" ).val( "1" );	}
}	}
} else {	} else {
\$( ".LC_status_"+buttonId ).hide();	$( ".LC_status_"+buttonId ).hide();
}	}
\$(this.form).submit();	$(this.form).submit();
\$( ".LC_hwk_submit" ).prop( "disabled", true);	$( ".LC_hwk_submit" ).prop( "disabled", true);
\$( ".LC_textline" ).prop( "readonly", "readonly");	$( ".LC_textline" ).prop( "readonly", "readonly");
event.preventDefault();	event.preventDefault();

if (timeout > 0) {
setTimeout(function(){
\$( "#msg_"+buttonId ).css({"display": "none"});
if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
if (( "#"+buttonId+"_pressed" ).length) {
\$( "#"+buttonId+"_pressed" ).val( "" );
}
}
\$( ".LC_hwk_submit" ).prop( "disabled", false);
\$( ".LC_textline" ).prop( "readonly", false);
submithandled = 0;
keypresshandled = 0;
}, timeout);
}
return true;	return true;
}	}
}	}
});	});
}
});	});

// ]]>	// ]]>
Line 385 var postsubmit = '$postsubmit';	Line 308 var postsubmit = '$postsubmit';
JS	JS
}	}

	sub setmode_javascript {
	return <<"ENDSCRIPT";
	<script type="text/javascript">
	// <![CDATA[
	function setmode(form,probmode) {
	form.problemmode.value = probmode;
	form.submit();
	}
	// ]]>
	</script>
	ENDSCRIPT
	}

sub page_start {	sub page_start {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
$extra_head)=@_;	$extra_head)=@_;
Line 404 sub page_start {	Line 340 sub page_start {
$extra_head .= &homework_js().	$extra_head .= &homework_js().
&Apache::lonhtmlcommon::dragmath_js("EditMathPopup");	&Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
if (&Apache::lonhtmlcommon::htmlareabrowser()) {	if (&Apache::lonhtmlcommon::htmlareabrowser()) {
my %textarea_args;	my %textarea_args = (
if (($env{'request.state'} ne 'construct') \|\|
($env{'environment.nocodemirror'})) {
%textarea_args = (
dragmath => 'math',	dragmath => 'math',
);	);
}
$extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);	$extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
}	}
my $is_task = ($env{'request.uri'} =~ /\.task$/);	my $is_task = ($env{'request.uri'} =~ /\.task$/);
my ($needs_upload,$partlist);	my $needs_upload;
my ($symb)= &Apache::lonnet::whichuser();	my ($symb)= &Apache::lonnet::whichuser();
my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);	my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
if ($is_task) {	if ($is_task) {
Line 432 sub page_start {	Line 364 sub page_start {
unless ($is_page) {	unless ($is_page) {
$needs_upload = 1;	$needs_upload = 1;
}	}
if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
my $res = $navmap->getBySymb($symb);
if (ref($res)) {
$partlist = $res->parts();
}
}
}	}
}	}
} else {	} else {
Line 449 sub page_start {	Line 375 sub page_start {
if (ref($mapres)) {	if (ref($mapres)) {
$is_page = $mapres->is_page();	$is_page = $mapres->is_page();
}	}
if ($is_page) {	unless ($is_page) {
if ((ref($tagstack) eq 'ARRAY') && ($tagstack->[-1] eq 'problem')) {
my $res = $navmap->getBySymb($symb);
if (ref($res)) {
$partlist = $res->parts();
}
}
} else {
my $res = $navmap->getBySymb($symb);	my $res = $navmap->getBySymb($symb);
if (ref($res)) {	if (ref($res)) {
$partlist = $res->parts();	my $partlist = $res->parts();
if (ref($partlist) eq 'ARRAY') {	if (ref($partlist) eq 'ARRAY') {
foreach my $part (@{$partlist}) {	foreach my $part (@{$partlist}) {
my @types = $res->responseType($part);	my @types = $res->responseType($part);
Line 481 sub page_start {	Line 400 sub page_start {
}	}
}	}
if ($needs_upload) {	if ($needs_upload) {
$extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js().	$extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js();
'<script type="text/javascript" '.
'src="/res/adm/includes/file_upload.js"></script>';
}	}
}	}

Line 585 sub page_start {	Line 502 sub page_start {
my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();	my ($symb,$courseid,$udom,$uname)=&Apache::lonnet::whichuser();
my ($path,$multiresp) =	my ($path,$multiresp) =
&Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);	&Apache::loncommon::get_turnedin_filepath($symb,$uname,$udom);
if ($env{'request.user_in_effect'}) {	if (($is_task) \|\| ($needs_upload)) {
$form_tag_start .= ' onsubmit="preventDefault();"';
} elsif (($is_task) \|\| ($needs_upload)) {
$form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';	$form_tag_start .= ' onsubmit="return file_submission_check(this,'."'$path','$multiresp'".');"';
}	}
$form_tag_start.='>'."\n";	$form_tag_start.='>'."\n";
Line 599 sub page_start {	Line 514 sub page_start {
"\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";	"\t".'<input type="hidden" name="symb" value="'.$symb.'" />'."\n";
}	}
}	}
return ($page_start,$form_tag_start,$partlist);	return ($page_start,$form_tag_start);
}	}

#use Time::HiRes();	#use Time::HiRes();
Line 630 sub get_resource_name {	Line 545 sub get_resource_name {
}	}

sub setup_rndseed {	sub setup_rndseed {
my ($safeeval,$target,$probpartlist)=@_;	my ($safeeval,$target)=@_;
my ($symb)=&Apache::lonnet::whichuser();	my ($symb)=&Apache::lonnet::whichuser();
my ($questiontype,$set_safespace,$rndseed,$numtries,$reqtries);	my ($questiontype,$set_safespace,$rndseed);
if ($target eq 'analyze') {	if ($target eq 'analyze') {
$questiontype = $env{'form.grade_questiontype'};	$questiontype = $env{'form.grade_questiontype'};
}	}
unless (defined($questiontype)) {	unless (defined($questiontype)) {
$questiontype = $Apache::lonhomework::type;	$questiontype = $Apache::lonhomework::type;
}	}
if ($Apache::lonhomework::type eq 'randomizetry') {	if ($env{'request.state'} eq "construct"
my $partfortries = $Apache::inputtags::part;	\|\| $symb eq ''
#	\|\| $Apache::lonhomework::type eq 'practice'
# Where question type is "randomizetry" for a problem containing	\|\| $Apache::lonhomework::history{'resource.CODE'}) {
# a single part (and unless type is explicitly set to not be
# "randomizetry" for that part), the number of tries used to
# determine randomization will be for that part, and randomization
# from calls to &random() in a perl script block before the part tag,
# will change based on the number of tries, and value of the
# "randomizeontries" parameter in effect for the single part.
#
if (ref($probpartlist) eq 'ARRAY') {
if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $partfortries)) {
if (&Apache::lonnet::EXT('resource.'.$probpartlist->[0].'.type') eq 'randomizetry') {
$partfortries = $probpartlist->[0];
} else {
$partfortries = '';
}
}
}
if ($partfortries ne '') {
$numtries = $Apache::lonhomework::history{"resource.$partfortries.tries"};
$reqtries = &Apache::lonnet::EXT("resource.$partfortries.randomizeontries");
}
}
if (($env{'request.state'} eq "construct")
\|\| ($symb eq '')
\|\| ($Apache::lonhomework::type eq 'practice')
\|\| ($Apache::lonhomework::history{'resource.CODE'})
\|\| (($env{'form.code_for_randomlist'}) && ($target eq 'analyze'))) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},	&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['rndseed']);	['rndseed']);
$rndseed=$env{'form.rndseed'};	$rndseed=$env{'form.rndseed'};
Line 677 sub setup_rndseed {	Line 566 sub setup_rndseed {
if (!$rndseed) {	if (!$rndseed) {
$rndseed=time;	$rndseed=time;
}	}
unless ($env{'form.code_for_randomlist'}) {	$env{'form.rndseed'}=$rndseed;
$env{'form.rndseed'}=$rndseed;
}
}	}
if ((($env{'request.state'} eq "construct") \|\| ($symb eq '')) &&	if (($env{'request.state'} eq "construct") &&
($Apache::lonhomework::type eq 'randomizetry')) {	($Apache::lonhomework::type eq 'randomizetry')) {
if ($numtries) {	my $tries = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.tries"};
if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {	if ($tries) {
my $inc = int($numtries/$reqtries);	$rndseed += $tries;
$rndseed += $inc;
} else {
$rndseed += $numtries;
}
}	}
$env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;	$env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
}	}
Line 711 sub setup_rndseed {	Line 594 sub setup_rndseed {
$rndseed=join(':',&Apache::lonnet::digest($rndseed));	$rndseed=join(':',&Apache::lonnet::digest($rndseed));
}	}
}	}
if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {	if ($Apache::lonhomework::history{'resource.CODE'}) {
$env{'form.CODE'} = $env{'form.code_for_randomlist'};
$rndseed=&Apache::lonnet::rndseed();
undef($env{'form.CODE'});
} elsif ($Apache::lonhomework::history{'resource.CODE'}) {
$rndseed=&Apache::lonnet::rndseed();	$rndseed=&Apache::lonnet::rndseed();
}	}
$set_safespace = 1;	$set_safespace = 1;
Line 727 sub setup_rndseed {	Line 606 sub setup_rndseed {
}	}
unless (($target eq 'analyze') && (defined($rndseed))) {	unless (($target eq 'analyze') && (defined($rndseed))) {
$rndseed=&Apache::lonnet::rndseed();	$rndseed=&Apache::lonnet::rndseed();
my $curr_try = $numtries;	my $curr_try = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.tries"};
if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
$curr_try ++;	$curr_try ++;
}	}
Line 735 sub setup_rndseed {	Line 614 sub setup_rndseed {
$rndseed = $1;	$rndseed = $1;
}	}
if ($curr_try) {	if ($curr_try) {
	my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {	if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
my $inc = int(($curr_try-1)/$reqtries);	my $inc = int(($curr_try-1)/$reqtries);
$rndseed += $inc;	$rndseed += $inc;
Line 744 sub setup_rndseed {	Line 624 sub setup_rndseed {
}	}
}	}
$set_safespace = 1;	$set_safespace = 1;
if ($target eq 'grade') {
$Apache::lonhomework::rawrndseed = $rndseed;
}
}	}
if ($set_safespace) {	if ($set_safespace) {
if ($safeeval) {	if ($safeeval) {
Line 776 sub problem_edit_action_button {	Line 653 sub problem_edit_action_button {

sub problem_edit_buttons {	sub problem_edit_buttons {
my ($mode)=@_;	my ($mode)=@_;
# Buttons that save
my $result = '<div style="float:right">';
if ($mode eq 'editxml') {
$result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
$result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
} else {
$result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
$result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
}
$result.="\n</div>\n";
# Buttons that do not save	# Buttons that do not save
$result .= '<div>'.	my $result='<div class="LC_edit_problem_discards">'.
&problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);	&problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
if ($mode eq 'editxml') {	if ($mode eq 'editxml') {
$result.=&problem_edit_action_button('subedit','edit','e','Edit',1);	$result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
$result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);	$result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
if ($env{'environment.nocodemirror'}) {	$result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
$result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
}
} else {	} else {
$result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);	$result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
$result.=&problem_edit_action_button('subundo','undo','u','Undo',1);	$result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
}	}
$result.="\n</div>";	$result.="\n</div>";
	# Buttons that save
	$result.='<div class="LC_edit_problem_saves">';
	if ($mode eq 'editxml') {
	$result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
	$result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
	} else {
	$result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
	$result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
	}
	$result.="\n</div>\n";
return $result;	return $result;
}	}

sub problem_edit_header {	sub problem_edit_header {
my ($mode)=@_;	return '<input type="hidden" name="submitted" value="edit" />'.
my $return = '<input type="hidden" name="submitted" value="edit" />'.
&remember_problem_state('edit').'	&remember_problem_state('edit').'
<div class="LC_edit_problem_header">	<div class="LC_edit_problem_header">
<div class="LC_edit_problem_header_title">	<div class="LC_edit_problem_header_title">
'.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'	'.&mt('Problem Editing').&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
</div><div class="LC_edit_actionbar" id="actionbar">'.	</div>'.
'<input type="hidden" name="problemmode" value="saveedit" />'.	'<input type="hidden" name="problemmode" value="saveedit" />'.
&problem_edit_buttons();	&problem_edit_buttons().'
	<hr style="clear:both;" />
$return .= '</div></div>' . &Apache::lonxml::message_location();	'.&Apache::lonxml::message_location().'
$return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />	</div>
<script type="text/javascript" src="/adm/codemirror/codemirror-compressed-colorful.js"></script>';	'.
	'<table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
$return .= '<script type="text/javascript" src="/adm/jQuery/addons/jquery-scrolltofixed.js"></script>
<script type="text/javascript">
// unless internet explorer
if (!(window.navigator.appName == "Microsoft Internet Explorer" && (document.documentMode \|\| document.compatMode))){
$(document).ready(
function() {
$(\'.LC_edit_actionbar\').scrollToFixed(
{
fixed: function(){
//$(this).find(\'.LC_edit_actionbar\').css(\'height\', \'31px\');
$(this).find(\'.LC_edit_actionbar\');
}
}
);
}
);
}
</script>
<table id="LC_edit_problem_colorful" border="0" width="100%"><tr><td bgcolor="#F8F8F8">';
return $return;
}	}


sub problem_edit_footer {	sub problem_edit_footer {
my $resource = $env{'request.ambiguous'};
return '</td></tr></table><br />	return '</td></tr></table><br />
<div class="LC_edit_problem_footer">	<div class="LC_edit_problem_footer">
<hr />'.	<hr />'.
&problem_edit_buttons().'	&problem_edit_buttons().'
<hr style="clear:both;" />	<hr style="clear:both;" />
<script type="text/javascript">
restoreState("'.$resource.'");
restoreScrollPosition("'.$resource.'");
</script>
</div>	</div>
'.	'.
"\n</form>\n".&Apache::loncommon::end_page();	"\n</form>\n".&Apache::loncommon::end_page();
Line 916 sub problem_web_to_edit_header {	Line 764 sub problem_web_to_edit_header {
".&mt("Problem Type:")."	".&mt("Problem Type:")."
<select name='problemtype'>	<select name='problemtype'>
<option value=''></option>	<option value=''></option>
".&option('exam' ,'problemtype').&mt("Exam Problem")."</option>	".&option('exam' ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
".&option('problem','problemtype').&mt("Homework Problem")."</option>	".&option('problem','problemtype').&mt("Homework Problem")."</option>
".&option('survey' ,'problemtype').&mt("Survey Question")."</option>	".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>	".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
Line 1036 sub initialize_storage {	Line 884 sub initialize_storage {
}	}
%Apache::lonhomework::history=	%Apache::lonhomework::history=
&Apache::lonnet::tmprestore($namespace,'',$domain,$name);	&Apache::lonnet::tmprestore($namespace,'',$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 {
%Apache::lonhomework::history=	%Apache::lonhomework::history=
Line 1044 sub initialize_storage {	Line 892 sub initialize_storage {
}	}

#ignore error conditions	#ignore error conditions
my ($temp)=keys(%Apache::lonhomework::history);	my ($temp)=keys %Apache::lonhomework::history ;
if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }	if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
}	}

Line 1059 sub initialize_storage {	Line 907 sub initialize_storage {
&check_correctness_changes() is called in two circumstances	&check_correctness_changes() is called in two circumstances
in which the results hash is to be stored permanently, for	in which the results hash is to be stored permanently, for
grading triggered by a student's submission, where feedback on	grading triggered by a student's submission, where feedback on
correctness is to be provided to the student.	correctness is to be provided to the student.

1. Immediately prior to storing the results hash	1. Immediately prior to storing the results hash

To handle the case where a student's submission (and award) were	To handle the case where a student's submission (and award) were
stored after history was retrieved in &initialize_storage(), e.g.,	stored after history was retrieved in &initialize_storage(), e.g.,
if a student submitted answers in quick succession (e.g., from	if a student submitted answers in quick succession (e.g., from
multiple tabs). &Apache::inputtags::hidealldata() is called for	multiple tabs). &Apache::inputtags::hidealldata() is called for
any parts with out-of-order storage (i.e., correct then incorrect,	any parts with out-of-order storage (i.e., correct then incorrect,
where awarded >= 1 when correct).	where awarded >= 1 when correct).
Line 1075 sub initialize_storage {	Line 923 sub initialize_storage {
To handle the case where lond on the student's homeserver returns	To handle the case where lond on the student's homeserver returns
delay:N -- where N is the number of transactions between the last	delay:N -- where N is the number of transactions between the last
retrieved in &initialize_storage() and the last stored immediately	retrieved in &initialize_storage() and the last stored immediately
before permanent storage of the current transaction via	before permanent storage of the current transaction via
lond::store_handler(). &Apache::grades::makehidden() is called	lond::store_handler(). &Apache::grades::makehidden() is called
for any parts with out-of-order storage (i.e., correct then incorrect,	for any parts with out-of-order storage (i.e., correct then incorrect,
where awarded >= 1 when correct).	where awarded >= 1 when correct).

Will call &store_aggregates() to increment totals for attempts,	Will call &store_aggregates() to increment totals for attempts,
students, and corrects, if running user has student role.	students, and corrects, if running user has student role.

=cut	=cut

Line 1094 sub finalize_storage {	Line 942 sub finalize_storage {
delete(@Apache::lonhomework::results{@remove});	delete(@Apache::lonhomework::results{@remove});
my ($symb,$courseid,$domain,$name) =	my ($symb,$courseid,$domain,$name) =
&Apache::lonnet::whichuser($given_symb);	&Apache::lonnet::whichuser($given_symb);
my ($passback,$pbscope,$pbmap,$pbsymb,$pbtype,$crsdef,$ltinum,
$ltiref,$total,$possible,$dopassback);
if ($env{'request.state'} eq 'construct'	if ($env{'request.state'} eq 'construct'
\|\| $symb eq ''	\|\| $symb eq ''
\|\| $Apache::lonhomework::type eq 'practice') {	\|\| $Apache::lonhomework::type eq 'practice') {
Line 1105 sub finalize_storage {	Line 951 sub finalize_storage {
$namespace,'',$domain,$name);	$namespace,'',$domain,$name);
&Apache::lonxml::debug('Construct Store return message:'.$result);	&Apache::lonxml::debug('Construct Store return message:'.$result);
} else {	} else {
my ($laststore,$checkedparts,@parts,%postcorrect,%record);	my ($laststore,$checkedparts,@parts,%postcorrect);
if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&	if (($env{'user.name'} eq $name) && ($env{'user.domain'} eq $domain) &&
(!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&	(!$Apache::lonhomework::scantronmode) && (!defined($env{'form.grade_symb'})) &&
(!defined($env{'form.grade_courseid'}))) {	(!defined($env{'form.grade_courseid'}))) {
if (($env{'request.lti.login'}) \|\| ($env{'request.deeplink.login'})) {
my ($map)=&Apache::lonnet::decode_symb($symb);
$map = &Apache::lonnet::clutter($map);
if ($env{'request.lti.login'}) {
($passback,$pbscope,$pbmap,$pbsymb,$ltinum,$ltiref) =
&needs_lti_passback($courseid,$symb,$map);
} elsif ($env{'request.deeplink.login'}) {
($passback,$pbscope,$pbmap,$pbsymb,$crsdef,$ltinum,$ltiref) =
&needs_linkprot_passback($courseid,$symb,$map);
}
}
if ($Apache::lonhomework::history{'version'}) {	if ($Apache::lonhomework::history{'version'}) {
$laststore = $Apache::lonhomework::history{'version'}.'='.	$laststore = $Apache::lonhomework::history{'version'}.'='.
$Apache::lonhomework::history{'timestamp'};	$Apache::lonhomework::history{'timestamp'};
} else {	} else {
$laststore = '0=0';	$laststore = '0=0';
}	}
%record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);	my %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
if ($record{'version'}) {	if ($record{'version'}) {
my ($newversion,$oldversion,$oldtimestamp);	my ($newversion,$oldversion,$oldtimestamp);
if ($Apache::lonhomework::history{'version'}) {	if ($Apache::lonhomework::history{'version'}) {
Line 1202 sub finalize_storage {	Line 1037 sub finalize_storage {
}	}
}	}
}	}
if ($passback) {
foreach my $key (keys(%Apache::lonhomework::results)) {
if ($key =~ /^resource\.([^\.]+)\.solved$/) {
my $part = $1;
if ((($Apache::lonhomework::results{$key} =~ /^correct_/) \|\|
($Apache::lonhomework::results{$key} eq 'incorrect_attempted')) &&
($Apache::lonhomework::results{"resource.$part.tries"})) {
$dopassback = 1;
last;
}
}
}
}
if (($dopassback) && ($pbscope eq 'resource') && ($pbsymb eq $symb)) {
$total = 0;
$possible = 0;
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}) {
unless (exists($Apache::lonhomework::results{"resource.$part.solved"})) {
next if ($Apache::lonhomework::record{"resource.$part.solved"} =~/^excused/);
my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
$possible += $weight;
if (($record{'version'}) && (exists($record{"resource.$part.awarded"}))) {
my $awarded = $record{"resource.$part.awarded"};
if ($awarded) {
$total += $weight * $awarded;
}
}
}
}
}
}
}
foreach my $key (keys(%Apache::lonhomework::results)) {
if ($key =~ /^resource\.([^\.]+)\.awarded$/) {
my $part = $1;
my $weight = &Apache::lonnet::EXT("resource.$part.weight",$symb);
$possible += $weight;
my $awarded = $Apache::lonhomework::results{$key};
if ($awarded) {
$total += $weight * $awarded;
}
}
}
}
&Apache::lonxml::debug('Store return message:'.$result);	&Apache::lonxml::debug('Store return message:'.$result);
&store_aggregates($symb,$courseid);	&store_aggregates($symb,$courseid);
if ($dopassback) {
my $scoreformat = 'decimal';
if (($env{'request.lti.login'}) \|\| ($env{'request.deeplink.login'})) {
if (ref($ltiref) eq 'HASH') {
if ($ltiref->{'scoreformat'} =~ /^(decimal\|ratio\|percentage)$/) {
$scoreformat = $1;
}
}
}
my ($pbid,$pburl,$pbtype);
if ($env{'request.lti.login'}) {
$pbid = $env{'request.lti.passbackid'};
$pburl = $env{'request.lti.passbackurl'};
$pbtype = 'lti';
} elsif ($env{'request.deeplink.login'}) {
$pbid = $env{'request.linkprotpbid'};
$pburl = $env{'request.linkprotpburl'};
$pbtype = 'linkprot';
}
my $ltigrade = {
'ltinum' => $ltinum,
'lti' => $ltiref,
'crsdef' => $crsdef,
'cid' => $courseid,
'uname' => $env{'user.name'},
'udom' => $env{'user.domain'},
'pbid' => $pbid,
'pburl' => $pburl,
'pbtype' => $pbtype,
'scope' => $pbscope,
'pbmap' => $pbmap,
'pbsymb' => $pbsymb,
'format' => $scoreformat,
};
if ($pbscope eq 'resource') {
$ltigrade->{'total'} = $total;
$ltigrade->{'possible'} = $possible;
}
push(@Apache::lonhomework::ltipassback,$ltigrade);
}
}	}
} else {	} else {
&Apache::lonxml::debug('Nothing to store');	&Apache::lonxml::debug('Nothing to store');
Line 1301 sub finalize_storage {	Line 1046 sub finalize_storage {
return $result;	return $result;
}	}

sub needs_lti_passback {
my ($courseid,$symb,$map) = @_;
if (($env{'request.lti.passbackid'}) && ($env{'request.lti.passbackurl'})) {
if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
my ($cdom,$cnum) = ($1,$2);
my %lti = &Apache::lonnet::get_domain_lti($cdom,'provider');
if (ref($lti{$env{'request.lti.login'}}) eq 'HASH') {
if ($lti{$env{'request.lti.login'}}{'passback'}) {
my $itemnum = $env{'request.lti.login'};
my ($ltiscope,$ltiuri,$ltisymb) =
&LONCAPA::ltiutils::lti_provider_scope($env{'request.lti.uri'},
$cdom,$cnum,1);
my ($passback,$ltimap);
if ($ltiscope eq 'resource') {
if ($ltisymb eq $symb) {
$passback = 1;
}
} elsif ($ltiscope eq 'map') {
if ($ltiuri eq $map) {
$passback = 1;
$ltimap = $map;
}
} elsif ($ltiscope eq 'course') {
if (($env{'request.lti.uri'} eq "/$cdom/$cnum") \|\| ($env{'request.lti.uri'} eq '')) {
$passback = 1;
}
}
return ($passback,$ltiscope,$ltimap,$ltisymb,$itemnum,$lti{$itemnum});
}
}
}
}
return;
}

sub needs_linkprot_passback {
my ($courseid,$symb,$map) = @_;
if (($env{'request.linkprotpbid'}) && ($env{'request.linkprotpburl'})) {
if ($courseid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/) {
my ($cdom,$cnum) = ($1,$2);
my ($deeplink_symb,$deeplink_map,$deeplink,$passback);
$deeplink_symb = &Apache::loncommon::deeplink_login_symb($cnum,$cdom);
if ($deeplink_symb) {
if ($deeplink_symb =~ /\.(page\|sequence)$/) {
$deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[2]);
my $navmap = Apache::lonnavmaps::navmap->new();
if (ref($navmap)) {
$deeplink = $navmap->get_mapparam(undef,$deeplink_map,'0.deeplink');
}
} else {
$deeplink = &Apache::lonnet::EXT('resource.0.deeplink',$deeplink_symb);
$deeplink_map = &Apache::lonnet::deversion((&Apache::lonnet::decode_symb($deeplink_symb))[0]);
}
if (($deeplink ne '') && ($env{'request.linkprot'} ne '')) {
my ($itemid,$tinyurl) = split(/:/,$env{'request.linkprot'});
if ($itemid =~ /^(\d+)(c\|d)$/) {
my ($itemnum,$itemtype) = ($1,$2);
my ($crsdef,$lti_in_use);
if ($itemtype eq 'c') {
$crsdef = 1;
my %crslti = &Apache::lonnet::get_course_lti($cnum,$cdom,'provider');
$lti_in_use = $crslti{$itemnum};
} else {
my %domlti = &Apache::lonnet::get_domain_lti($cdom,'linkprot');
$lti_in_use = $domlti{$itemnum};
}
my ($state,$others,$listed,$scope,$protect,$display,$target,$exit) = split(/,/,$deeplink);
my ($passback,$pbscope);
if ($scope eq 'res') {
if ($deeplink_symb eq $symb) {
$passback = 1;
$pbscope = 'resource';
}
} elsif ($scope eq 'map') {
if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
$passback = 1;
$pbscope = 'nonrec';
}
} elsif ($scope eq 'rec') {
if (&Apache::lonnet::clutter($deeplink_map) eq $map) {
$passback = 1;
$pbscope = 'map';
} else {
my @recurseup = &Apache::lonnet::get_map_hierarchy($map,$env{'request.course.id'});
if (grep(/^\Q$deeplink_map\E$/,@recurseup)) {
$passback = 1;
$pbscope = 'map';
}
}
}
return ($passback,$pbscope,$deeplink_map,$deeplink_symb,$crsdef,$itemnum,$lti_in_use);
}
}
}
}
}
}

=pod	=pod

=item check_correctness_changes()	=item check_correctness_changes()

For all parts for which current results contain a solved status	For all parts for which current results contain a solved status
of "incorrect_attempted", check if there was a transaction in which	of "incorrect_attempted", check if there was a transaction in which
solved was set to "correct_by_student" in the time since the last	solved was set to "correct_by_student" in the time since the last
transaction (retrieved when &initialize_storage() was called i.e.,	transaction (retrieved when &initialize_storage() was called i.e.,
when &start_problem() was called), unless:	when &start_problem() was called), unless:
(a) questiontype parameter is set to survey or anonymous survey (+/- credit)	(a) questiontype parameter is set to survey or anonymous survey (+/- credit)
(b) problemstatus is set to no or no_feedback_ever	(b) problemstatus is set to no or no_feedback_ever
If such a transaction exists, and did not occur after "reset status"	If such a transaction exists, and did not occur after "reset status"
by a user with grading privileges, then the current transaction is an	by a user with grading privileges, then the current transaction is an
example of an out-of-order transaction (i.e., incorrect occurring after	example of an out-of-order transaction (i.e., incorrect occurring after
correct). Accordingly, the current transaction should be hidden.	correct). Accordingly, the current transaction should be hidden.
Line 1519 sub store_aggregates {	Line 1166 sub store_aggregates {
}	}
}	}
}	}
if (keys(%aggregate) > 0) {	if (keys (%aggregate) > 0) {
&Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,	&Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
$cdomain,$cname);	$cdomain,$cname);
}	}
Line 1533 sub store_aggregates {	Line 1180 sub store_aggregates {
}	}
}	}

sub access_status_msg {
my ($mode,$status,$symb,$target,$ipused,$accessmsg) = @_;
my $msg;
if ($target eq 'web') {
if ($status eq 'UNAVAILABLE') {
$msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
} elsif ($status eq 'NOT_IN_A_SLOT') {
$msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
} elsif (($status eq 'RESERVABLE') \|\| ($status eq 'RESERVABLE_LATER') \|\|
($status eq 'NOTRESERVABLE')) {
$msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
} elsif ($status ne 'NOT_YET_VIEWED') {
$msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
}
if ($status eq 'CLOSED' \|\| $status eq 'INVALID_ACCESS') {
$msg.=&mt('The problem ').$accessmsg;
} elsif ($status eq 'UNCHECKEDOUT') {
$msg.=&checkout_msg();
} elsif ($status eq 'NOT_YET_VIEWED') {
$msg.=&firstaccess_msg($accessmsg,$symb);
} elsif ($status eq 'NOT_IN_A_SLOT') {
$msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
} elsif ($status eq 'RESERVABLE') {
$msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
&Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
'<br />'.
&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
} elsif ($status eq 'RESERVABLE_LATER') {
$msg.=&mt('Window to make a reservation will open [_1].',
&Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
} elsif ($status eq 'NOTRESERVABLE') {
$msg.=&mt('Not available to make a reservation.');
}
$msg.='<br />';
} elsif ($target eq 'tex') {
my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
: '\begin{minipage}{\textwidth}';

$msg ='\noindent \vskip 1 mm '.
$startminipage.'\vskip 0 mm';
if ($status eq 'UNAVAILABLE') {
$msg.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
} else {
$msg.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
}
}
return $msg;
}

sub checkin_prompt {
my ($target,$slot_name,$slot,$type) = @_;
my $result;
if ($target eq 'web') {
$result = &Apache::bridgetask::proctor_validation_screen($slot);
} elsif ($target eq 'grade') {
if (!&Apache::bridgetask::proctor_check_auth($slot_name,$slot,$type)) {
$result = &mt('An error occurred during check-in');
}
}
return $result;
}

sub selfcheckin_resource {
my ($resource_due,$slot_name,$slot,$symb) = @_;
if ($slot_name ne '') {
my $checked_in =
$Apache::lonhomework::history{'resource.0.checkedin'};
if ($checked_in eq '') {
# unproctored slot access, self checkin
my $check = &Apache::bridgetask::check_in('problem',undef,undef,
$slot_name);
if ($check =~ /^error: /) {
&Apache::lonnet::logthis("Error during self-checkin of problem (symb: $symb) using slot: $slot_name");
} else {
$checked_in = $Apache::lonhomework::results{"resource.0.checkedin"};
}
}
if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
if ($slot->{'starttime'} < time()) {
if (!$resource_due) {
$resource_due = $slot->{'endtime'};
} elsif ($slot->{'endtime'} < $resource_due) {
$resource_due = $slot->{'endtime'};
}
}
}
}
return $resource_due;
}

sub checkout_msg {	sub checkout_msg {
my %lt=&Apache::lonlocal::texthash(	my %lt=&Apache::lonlocal::texthash(
'resource'=>'The resource needs to be checked out',	'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.',	'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.',	'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 Bubblesheet Exam for Viewing',
'checkout?'=>'Check out Exam?');	'checkout?'=>'Check out Bubblesheet Exam?');
my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});	my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
return (<<ENDCHECKOUT);	return (<<ENDCHECKOUT);
<h2>$lt{'resource'}</h2>	<h2>$lt{'resource'}</h2>
Line 1668 sub firstaccess_msg {	Line 1225 sub firstaccess_msg {
my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});	my $uri = &Apache::lonenc::check_encrypt($env{'request.uri'});
my $buttontext = &mt('Show Resource');	my $buttontext = &mt('Show Resource');
my $timertext = &mt('Start Timer?');	my $timertext = &mt('Start Timer?');
my $shownsymb = &HTML::Entities::encode(&Apache::lonenc::check_encrypt($symb),'\'"<>&');
$result .= (<<ENDCHECKOUT);	$result .= (<<ENDCHECKOUT);
<form name="markaccess" method="post" action="$uri">	<form name="markaccess" method="post" action="$uri">
<input type="hidden" name="markaccess" value="yes" />	<input type="hidden" name="markaccess" value="yes" />
<input type="hidden" name="symb" value="$shownsymb" />
<input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />	<input type="button" name="accessbutton" value="$buttontext" onclick="javascript:if (confirm('$timertext')) { document.markaccess.submit(); }" />
</form>	</form>
ENDCHECKOUT	ENDCHECKOUT
Line 1708 sub init_problem_globals {	Line 1263 sub init_problem_globals {
@Apache::inputtags::importlist = ();	@Apache::inputtags::importlist = ();
@Apache::inputtags::previous=();	@Apache::inputtags::previous=();
@Apache::inputtags::previous_version=();	@Apache::inputtags::previous_version=();
$Apache::inputtags::leniency='';
$Apache::structuretags::printanswer='No';	$Apache::structuretags::printanswer='No';
@Apache::structuretags::whileconds=();	@Apache::structuretags::whileconds=();
@Apache::structuretags::whilebody=();	@Apache::structuretags::whilebody=();
@Apache::structuretags::whileline=();	@Apache::structuretags::whileline=();
$Apache::lonhomework::scantronmode=0;	$Apache::lonhomework::scantronmode=0;
$Apache::lonhomework::randomizetrypart=0;
undef($Apache::lonhomework::name);	undef($Apache::lonhomework::name);
undef($Apache::lonhomework::default_type);	undef($Apache::lonhomework::default_type);
undef($Apache::lonhomework::type);	undef($Apache::lonhomework::type);
Line 1725 sub reset_problem_globals {	Line 1278 sub reset_problem_globals {
undef(%Apache::lonhomework::history);	undef(%Apache::lonhomework::history);
undef(%Apache::lonhomework::results);	undef(%Apache::lonhomework::results);
undef($Apache::inputtags::part);	undef($Apache::inputtags::part);
undef($Apache::inputtags::leniency);
if ($type eq 'Task') {	if ($type eq 'Task') {
undef($Apache::inputtags::slot_name);	undef($Apache::inputtags::slot_name);
} elsif ($type eq 'problem') {
undef($Apache::lonhomework::rawrndseed);
}	}
#don't undef this, lonhomework.pm takes care of this, we use this to	#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	#detect if we try to do 2 problems in one file
Line 1738 sub reset_problem_globals {	Line 1288 sub reset_problem_globals {
undef($Apache::lonhomework::default_type);	undef($Apache::lonhomework::default_type);
undef($Apache::lonhomework::type);	undef($Apache::lonhomework::type);
undef($Apache::lonhomework::scantronmode);	undef($Apache::lonhomework::scantronmode);
undef($Apache::inputtags::randomizetrypart);
undef($Apache::lonhomework::ignore_response_errors);	undef($Apache::lonhomework::ignore_response_errors);
undef(@Apache::functionplotresponse::callscripts);	undef(@Apache::functionplotresponse::callscripts);
&Apache::lonhomework::reset_show_problem_status();	&Apache::lonhomework::reset_show_problem_status();
Line 1832 sub start_problem {	Line 1381 sub start_problem {
my $resource_due;	my $resource_due;

my $name= &get_resource_name($parstack,$safeeval);	my $name= &get_resource_name($parstack,$safeeval);
my ($result,$form_tag_start,$slot_name,$slot,$probpartlist,$firstaccres);	my ($result,$form_tag_start,$slot_name,$slot);

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|	if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex') {	$target eq 'tex') {
if ($env{'form.markaccess'}) {	if ($env{'form.markaccess'}) {
my @interval=&Apache::lonnet::EXT("resource.0.interval");	my @interval=&Apache::lonnet::EXT("resource.0.interval");
my ($timelimit) = ($interval[0] =~ /^(\d+)/);	&Apache::lonnet::set_first_access($interval[1],$interval[0]);
my $is_set = &Apache::lonnet::set_first_access($interval[1],$timelimit);
unless (($is_set eq 'ok') \|\| ($is_set eq 'already_set')) {
$firstaccres = $is_set;
}
}	}

	($status,$accessmsg,$slot_name,$slot) =
	&Apache::lonhomework::check_slot_access('0','problem');
	push (@Apache::inputtags::status,$status);
}	}

if ($target eq 'web' \|\| $target eq 'webgrade' \|\| $target eq 'tex'	if ($target eq 'web' \|\| $target eq 'webgrade' \|\| $target eq 'tex'
\|\| $target eq 'edit') {	\|\| $target eq 'edit') {
($result,$form_tag_start,$probpartlist) =	($result,$form_tag_start) =
&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,	&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
$name);	$name);
} elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) \|\|
($target eq 'answer')) {
my ($symb)= &Apache::lonnet::whichuser();
if ($symb ne '') {
my $navmap = Apache::lonnavmaps::navmap->new();
if (ref($navmap)) {
my $res = $navmap->getBySymb($symb);
if (ref($res)) {
$probpartlist = $res->parts();
}
}
}
}

if (($target eq 'web') && ($env{'request.user_in_effect'})) {
&Apache::lonxml::get_all_text("/problem",$parser,$style);
return $result;
}	}

if ($target eq 'web' \|\| $target eq 'grade' \|\| $target eq 'answer' \|\|
$target eq 'tex') {

my ($symb)= &Apache::lonnet::whichuser();
($status,$accessmsg,$slot_name,$slot) =
&Apache::lonhomework::check_slot_access('0','problem',$symb,$probpartlist);
push (@Apache::inputtags::status,$status);
}

if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}	if ($target eq 'tex' and $env{'request.symb'} =~ m/\.page_/) {$result='';}

if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }	if ($target eq 'analyze') { my $rndseed=&setup_rndseed($safeeval,$target); }
if ($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 ($symb) = &Apache::lonnet::whichuser();
#handle rand seed in construction space	#handle rand seed in construction space
if (($env{'request.state'} eq 'construct') \|\| ($symb eq '')) {	my $rndseed=&setup_rndseed($safeeval,$target);
my $partorder=&Apache::lonnet::metadata($env{'request.uri'},'partorder');	my ($symb)=&Apache::lonnet::whichuser();
if ($partorder ne '') {
@{$probpartlist} = split(/,/,$partorder);
}
}
my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
if (($target eq 'grade') && &Apache::response::submitted()) {
if ($Apache::lonhomework::type eq 'randomizetry') {
$Apache::lonhomework::results{'resource.0.rndseed'}=$rndseed;
} else {
my @parts;
if (ref($probpartlist) eq 'ARRAY') {
@parts = @{$probpartlist};
}
unless (@parts) {
$Apache::lonhomework::results{'resource.0.rndseed'}=$Apache::lonhomework::rawrndseed;
}
}
}

if ($env{'request.state'} ne "construct" &&	if ($env{'request.state'} ne "construct" &&
($symb eq '' \|\| $Apache::lonhomework::type eq 'practice')) {	($symb eq '' \|\| $Apache::lonhomework::type eq 'practice')) {
my $rndseedval = $rndseed;
if (($symb eq '') && ($Apache::lonhomework::type eq 'randomizetry')) {
$rndseedval = $env{'form.rndseed'};
}
$form_tag_start.='<input type="hidden" name="rndseed" value="'.	$form_tag_start.='<input type="hidden" name="rndseed" value="'.
$rndseedval.'" />'.	$rndseed.'" />'.
'<input type="submit" name="resetdata"	'<input type="submit" name="resetdata"
value="'.&mt('New Problem Variation').'" />';	value="'.&mt('New Problem Variation').'" />';
if (exists($env{'form.username'})) {	if (exists($env{'form.username'})) {
Line 1937 sub start_problem {	Line 1437 sub start_problem {
$form_tag_start.=&practice_problem_header();	$form_tag_start.=&practice_problem_header();
}	}
$form_tag_start.='<hr />';	$form_tag_start.='<hr />';
}	} elsif (($env{'request.state'} ne "construct") &&
if (($env{'request.state'} ne "construct") &&	($Apache::lonhomework::type eq 'randomizetry') &&
($Apache::lonhomework::type eq 'randomizetry') &&	($status eq 'CAN_ANSWER')) {
($status eq 'CAN_ANSWER')) {	my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
my @parts;	my $problemstatus = &get_problem_status($Apache::inputtags::part);
if (ref($probpartlist) eq 'ARRAY') {	$form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);
@parts = @{$probpartlist};
}
unless (@parts) {
my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
my $problemstatus = &get_problem_status($Apache::inputtags::part);
$form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries,$symb);
}
}	}

my $expression='$external::datestatus="'.$status.'";';	my $expression='$external::datestatus="'.$status.'";';
Line 1969 sub start_problem {	Line 1462 sub start_problem {
( $status eq 'INVALID_ACCESS')) {	( $status eq 'INVALID_ACCESS')) {
my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,	my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
$style);	$style);
if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {	if ( $target eq "web" ) {
$result .= '<p class="LC_error">'.	my $msg;
&mt('A problem occurred when trying to start the timer.').'</p>';	if ($status eq 'UNAVAILABLE') {
}	$msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';
$result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);	} elsif ($status eq 'NOT_IN_A_SLOT') {
	$msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
	} elsif (($status eq 'RESERVABLE') \|\| ($status eq 'RESERVABLE_LATER') \|\|
	($status eq 'NOTRESERVABLE')) {
	$msg.='<p class="LC_warning">'.&mt('Access requires reservation to work at specific time/place.').'</p>';
	} elsif ($status ne 'NOT_YET_VIEWED') {
	$msg.='<p class="LC_warning">'.&mt('Not open to be viewed').'</p>';
	}
	if ($status eq 'CLOSED' \|\| $status eq 'INVALID_ACCESS') {
	$msg.=&mt('The problem ').$accessmsg;
	} elsif ($status eq 'UNCHECKEDOUT') {
	$msg.=&checkout_msg();
	} elsif ($status eq 'NOT_YET_VIEWED') {
	$msg.=&firstaccess_msg($accessmsg,$symb);
	} elsif ($status eq 'NOT_IN_A_SLOT') {
	$msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
	} elsif ($status eq 'RESERVABLE') {
	$msg.=&mt('Available to make a reservation.').' '.&mt('Reservation window closes [_1].',
	&Apache::lonnavmaps::timeToHumanString($accessmsg,'end')).
	'<br />'.
	&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
	} elsif ($status eq 'RESERVABLE_LATER') {
	$msg.=&mt('Window to make a reservation will open [_1].',
	&Apache::lonnavmaps::timeToHumanString($accessmsg,'start'));
	} elsif ($status eq 'NOTRESERVABLE') {
	$msg.=&mt('Not available to make a reservation.');
	}
	$result.=$msg.'<br />';
	} elsif ($target eq 'tex') {
	my $startminipage = ($env{'form.problem_split'}=~/yes/i)? ''
	: '\begin{minipage}{\textwidth}';
	$result.='\noindent \vskip 1 mm '.
	$startminipage.'\vskip 0 mm';
	if ($status eq 'UNAVAILABLE') {
	$result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
	} else {
	$result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
	}
	}
} elsif ($status eq 'NEEDS_CHECKIN') {	} elsif ($status eq 'NEEDS_CHECKIN') {
my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,	my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
$style);	$style);
$result .= &checkin_prompt($target,$slot_name,$slot,'problem');	if ($target eq 'web') {
	$result .=
	&Apache::bridgetask::proctor_validation_screen($slot);
	} elsif ($target eq 'grade') {
	&Apache::bridgetask::proctor_check_auth($slot_name,$slot,
	'problem');
	}
} elsif ($target eq 'web') {	} elsif ($target eq 'web') {
if ($status eq 'CAN_ANSWER') {	if ($status eq 'CAN_ANSWER') {
$resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});	$resource_due = &Apache::lonhomework::due_date(0, $env{'request.symb'});
if ($slot_name ne '') {	if ($slot_name ne '') {
$resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,	my $checked_in =
$env{'request.symb'});	$Apache::lonhomework::history{'resource.0.checkedin'};
	if ($checked_in eq '') {
	# unproctored slot access, self checkin
	&Apache::bridgetask::check_in('problem',undef,undef,
	$slot_name);
	$checked_in =
	$Apache::lonhomework::results{"resource.0.checkedin"};
	}
	if ((ref($slot) eq 'HASH') && ($checked_in ne '')) {
	if ($slot->{'starttime'} < time()) {
	if (!$resource_due) {
	$resource_due = $slot->{'endtime'};
	} elsif ($slot->{'endtime'} < $resource_due) {
	$resource_due = $slot->{'endtime'};
	}
	}
	}
}	}
if ($resource_due) {	if ($resource_due) {
my $time_left = $resource_due - time();	my $time_left = $resource_due - time();
Line 2001 sub start_problem {	Line 1554 sub start_problem {
$result.= '<input type="submit" name="resetdata" '.	$result.= '<input type="submit" name="resetdata" '.
'value="'.&mt('New Problem Variation').'" />'.	'value="'.&mt('New Problem Variation').'" />'.
&practice_problem_header().'<hr />';	&practice_problem_header().'<hr />';
} elsif ($Apache::lonhomework::type eq 'randomizetry') {
my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
my $problemstatus = &get_problem_status($Apache::inputtags::part);
$result.=&randomizetry_problem_header($problemstatus,$reqtries);
}	}
}	}
# if we are viewing someone else preserve that info	# if we are viewing someone else preserve that info
Line 2026 sub start_problem {	Line 1575 sub start_problem {
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$result .= 'INSERTTEXFRONTMATTERHERE';	$result .= 'INSERTTEXFRONTMATTERHERE';
$result .= &select_metadata_hyphenation();	$result .= &select_metadata_hyphenation();


}	}
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result .= $form_tag_start.&problem_edit_header();	$result .= $form_tag_start.&problem_edit_header();
Line 2066 sub end_problem {	Line 1617 sub end_problem {
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 $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');	my $packages=&Apache::lonnet::metadata($env{'request.uri'},'packages');
my @packages = split(/,/,$packages);	my @packages = split /,/,$packages;
my $allow_print_points = 0;	my $allow_print_points = 0;
foreach my $partial_key (@packages) {	foreach my $partial_key (@packages) {
if ($partial_key=~m/^part_0$/) {	if ($partial_key=~m/^part_0$/) {
Line 2145 sub end_problem {	Line 1696 sub end_problem {
}	}
}	}
$result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;	$result =~ s/INSERTTEXFRONTMATTERHERE/$frontmatter/;
} elsif ($target eq 'web') {
if ($env{'request.user_in_effect'}) {
&reset_problem_globals('problem');
$result .= &Apache::lonhtmlcommon::set_compute_end_time();
return $result;
}
}	}

my $status=$Apache::inputtags::status['-1'];	my $status=$Apache::inputtags::status['-1'];
Line 2210 sub end_problem {	Line 1755 sub end_problem {
}	}
}	}
if ($target eq 'web') {	if ($target eq 'web') {
$result.=&Apache::functionplotresponse::init_script();	$result.=&Apache::functionplotresponse::init_script();
if ($Apache::lonhomework::default_type eq 'randomizetry') {
my ($symb) = &Apache::lonnet::whichuser();
if ((($env{'request.state'} eq 'construct') \|\| ($symb eq '')) &&
($status eq 'CAN_ANSWER')) {
unless (@Apache::inputtags::partlist > 1) {
$result.= <<"ENDJS";
<script type="text/javascript">
// <![CDATA[
\$(document).ready(function() {
\$('#LC_randomizetry_header').css('display','block');
});
// ]]>
</script>
ENDJS
}
}
}
}	}
if ($target eq 'grade') {	if ($target eq 'grade') {
&Apache::lonhomework::showhash(%Apache::lonhomework::results);	&Apache::lonhomework::showhash(%Apache::lonhomework::results);
Line 2265 ENDJS	Line 1793 ENDJS
# computation:	# computation:
#	#
if ($target eq 'web') {	if ($target eq 'web') {
$result .= &Apache::lonhtmlcommon::dash_to_minus_js().	$result .= &Apache::lonhtmlcommon::set_compute_end_time();
&Apache::lonhtmlcommon::set_compute_end_time();
#	#
# Closing tags delayed so any <script></script> tags	# Closing tags delayed so any <script></script> tags
# not in head can appear inside body, for valid xhtml.	# not in head can appear inside body, for valid xhtml.
Line 2322 sub end_library {	Line 1849 sub end_library {
&& ($#$tagstack eq 0 && $$tagstack[0] eq 'library')	&& ($#$tagstack eq 0 && $$tagstack[0] eq 'library')
&& $env{'request.state'} eq "construct") {	&& $env{'request.state'} eq "construct") {
$result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});	$result.='</form>'.&Apache::loncommon::end_page({'discussion' => 1});
} elsif ($target eq 'meta') {
$result.=&Apache::response::meta_response_order();
}	}
if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {	if ( $#$tagstack eq 0 && $$tagstack[0] eq 'library') {
&reset_problem_globals('library');	&reset_problem_globals('library');
Line 2806 sub start_randomlist {	Line 2331 sub start_randomlist {
}	}
if (@randomlist) {	if (@randomlist) {
my @idx_arr = (0 .. $#randomlist);	my @idx_arr = (0 .. $#randomlist);
if ($env{'form.code_for_randomlist'}) {	&Apache::structuretags::shuffle(\@idx_arr);
&Apache::structuretags::shuffle(\@idx_arr,$target);
undef($env{'form.code_for_randomlist'});
} else {
&Apache::structuretags::shuffle(\@idx_arr);
}
my $bodytext = '';	my $bodytext = '';
my $show=$#randomlist;	my $show=$#randomlist;
my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);	my $showarg=&Apache::lonxml::get_param('show',$parstack,$safeeval);
Line 2831 sub start_randomlist {	Line 2351 sub start_randomlist {
}	}
}	}
}	}
for my $i (0 .. $show) {	for(0 .. $show) {
$bodytext .= "$randomlist[ $idx_arr[$i] ]";	$bodytext .= "$randomlist[ $idx_arr[$_] ]";
}	}
&Apache::lonxml::newparser($parser,\$bodytext);	&Apache::lonxml::newparser($parser,\$bodytext);
}	}
Line 2850 sub start_randomlist {	Line 2370 sub start_randomlist {
}	}

sub shuffle {	sub shuffle {
my ($a,$target) = @_;	my $a=shift;
my $i;	my $i;
if (ref($a) eq 'ARRAY' && @$a) {	if (ref($a) eq 'ARRAY' && @$a) {
&Apache::response::pushrandomnumber(undef,$target);	&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;
Line 2937 sub start_part {	Line 2457 sub start_part {
my $id= &Apache::lonxml::get_id($parstack,$safeeval);	my $id= &Apache::lonxml::get_id($parstack,$safeeval);
$Apache::inputtags::part=$id;	$Apache::inputtags::part=$id;
push(@Apache::inputtags::partlist,$id);	push(@Apache::inputtags::partlist,$id);
$Apache::inputtags::leniency='';
@Apache::inputtags::response=();	@Apache::inputtags::response=();
@Apache::inputtags::previous=();	@Apache::inputtags::previous=();
@Apache::inputtags::previous_version=();	@Apache::inputtags::previous_version=();
Line 2947 sub start_part {	Line 2466 sub start_part {
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");	my $newtype=&Apache::lonnet::EXT("resource.$id.type");
if ($newtype) { $Apache::lonhomework::type=$newtype; }	if ($newtype) { $Apache::lonhomework::type=$newtype; }
if ($Apache::lonhomework::type eq 'randomizetry') {
my $rndseed=&setup_rndseed($safeeval,$target);
if (($target eq 'grade') && &Apache::response::submitted()) {
$Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
}
} elsif (($target eq 'grade') && &Apache::response::submitted()) {
$Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
}
my $in_order_show=&ordered_show_check();	my $in_order_show=&ordered_show_check();
my $expression='$external::part=\''.$Apache::inputtags::part.'\';';	my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
$expression.='$external::type=\''.$Apache::lonhomework::type.'\';';	$expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
Line 3005 sub start_part {	Line 2516 sub start_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'},'packages');	my $allkeys=&Apache::lonnet::metadata($env{'request.uri'},'packages');
my @allkeys = split(/,/,$allkeys);	my @allkeys = split /,/,$allkeys;
my $allow_print_points = 0;	my $allow_print_points = 0;
foreach my $partial_key (@allkeys) {	foreach my $partial_key (@allkeys) {
if ($partial_key=~m/^part_(.*)$/) {	if ($partial_key=~m/^part_(.*)$/) {
Line 3027 sub start_part {	Line 2538 sub start_part {
} elsif ($target eq 'web') {	} elsif ($target eq 'web') {
if ($status eq 'CAN_ANSWER') {	if ($status eq 'CAN_ANSWER') {
my $problemstatus = &get_problem_status($Apache::inputtags::part);	my $problemstatus = &get_problem_status($Apache::inputtags::part);
	my $probrandomize = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].type");
	my $probrandtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[0].randomizeontries");
my $num = scalar(@Apache::inputtags::partlist)-1;	my $num = scalar(@Apache::inputtags::partlist)-1;
if ((($Apache::lonhomework::default_type eq 'randomizetry') \|\|	if ($probrandomize eq 'randomizetry') {
($Apache::lonhomework::randomizetrypart)) &&	if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {
($Apache::lonhomework::type ne 'randomizetry')) {	$result .= &randomizetry_part_header($problemstatus,'none',$num);
$result .= &randomizetry_part_header($problemstatus,'none',$num);	} else {
} elsif ($Apache::lonhomework::type eq 'randomizetry') {	my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
$Apache::lonhomework::randomizetrypart = 1;	if ($probrandtries ne $reqtries) {
my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries");	$result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
	}
	}
	} elsif (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") eq 'randomizetry') {
	my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");
$result .= &randomizetry_part_header($problemstatus,$reqtries,$num);	$result .= &randomizetry_part_header($problemstatus,$reqtries,$num);
}	}
}	}
Line 3089 sub end_part {	Line 2606 sub end_part {
$gradestatus='';	$gradestatus='';
}	}
$result.=$gradestatus;	$result.=$gradestatus;
if ($$tagstack[-2] eq 'td' and $target eq 'tex') {	if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}
if (not $env{'form.problem_split'}=~/yes/) {
$result.='\end{minipage}';
}
}
} elsif ($target eq 'edit') {	} elsif ($target eq 'edit') {
$result.=&Apache::edit::end_table();	$result.=&Apache::edit::end_table();
} elsif ($target eq 'modified') {	} elsif ($target eq 'modified') {
Line 3101 sub end_part {	Line 2614 sub end_part {
}	}
pop @Apache::inputtags::status;	pop @Apache::inputtags::status;
$Apache::inputtags::part='';	$Apache::inputtags::part='';
$Apache::inputtags::leniency='';
$Apache::lonhomework::type = $Apache::lonhomework::default_type;	$Apache::lonhomework::type = $Apache::lonhomework::default_type;
return $result;	return $result;
}	}
Line 3209 sub start_problemtype {	Line 2721 sub start_problemtype {
['hide','Hide']]	['hide','Hide']]
,$token);	,$token);
$result .=&Apache::edit::checked_arg('When used as type(s):','for',	$result .=&Apache::edit::checked_arg('When used as type(s):','for',
[ ['exam','Exam/Quiz Problem'],	[ ['exam','Bubblesheet Exam/Quiz Problem'],
['survey','Survey'],	['survey','Survey'],
['surveycred','Survey (with credit)'],	['surveycred','Survey (with credit)'],
['anonsurvey','Anonymous Survey'],	['anonsurvey','Anonymous Survey'],
Line 3252 sub end_startouttext {	Line 2764 sub end_startouttext {
if ($target eq 'edit') {	if ($target eq 'edit') {
my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;	my $areaid = 'homework_edit_'.$Apache::lonxml::curdepth;
$text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);	$text=&Apache::lonxml::get_all_text("endouttext",$parser,$style);
$result.=&Apache::edit::start_table($token)."<tr><td>".&Apache::loncommon::insert_folding_button()	$result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>"
." ".&mt('Text Block')."</td>"
.'<td><span class="LC_nobreak">'.&mt('Delete?').' '	.'<td><span class="LC_nobreak">'.&mt('Delete?').' '
.&Apache::edit::deletelist($target,$token)	.&Apache::edit::deletelist($target,$token)
.'</span></td>'	.'</span></td>'
.'<td><span id="math_'.$areaid.'">';	.'<td><span id="math_'.$areaid.'">'
if ($env{'environment.nocodemirror'}) {	.&Apache::lonhtmlcommon::dragmath_button($areaid,1)
$result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);	.'</span></td>'
} else {
$result.=' ';
}
$result.='</span></td>'
.'<td>'	.'<td>'
.&Apache::edit::insertlist($target,$token)	.&Apache::edit::insertlist($target,$token)
.'</td>'	.'</td>'
Line 3358 sub practice_problem_header {	Line 2865 sub practice_problem_header {
}	}

sub randomizetry_problem_header {	sub randomizetry_problem_header {
my ($problemstatus,$reqtries,$symb) = @_;	my ($problemstatus,$reqtries) = @_;
my ($header,$text);	my ($header,$text);
if ($reqtries > 1) {	if ($reqtries > 1) {
$header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);	$header = &mt('New Problem Variation After Every [quant,_1,Try,Tries]',$reqtries);
Line 3378 sub randomizetry_problem_header {	Line 2885 sub randomizetry_problem_header {
$text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');	$text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
}	}
}	}
if (($env{'request.state'} eq "construct") \|\| ($symb eq '')) {	return '<span class="LC_info"><h3>'.$header.'</h3></span>'.
return '<div class="LC_info" id="LC_randomizetry_header" style="display:none">'.	'<span class="LC_info">'.$text.'</span><hr />';
'<h3>'.$header.'</h3><span class="LC_info">'.$text.'</span><hr /></div>';
} else {
return '<h3 class="LC_info">'.$header.'</h3>'.
'<span class="LC_info">'.$text.'</span><hr />';
}
}	}

sub randomizetry_part_header {	sub randomizetry_part_header {
Line 3392 sub randomizetry_part_header {	Line 2894 sub randomizetry_part_header {
my ($header,$text);	my ($header,$text);
if ($reqtries eq 'none') {	if ($reqtries eq 'none') {
$header = &mt('No Question Variation');	$header = &mt('No Question Variation');
$text = &mt('For this question there will be no new variation after a try.');	$text = &mt('For this question there will no new variation after a try.');
} elsif ($reqtries > 1) {	} elsif ($reqtries > 1) {
$header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);	$header = &mt('New Question Variation After Every [quant,_1,Try,Tries]',$reqtries);
if (($problemstatus eq 'no') \|\|	if (($problemstatus eq 'no') \|\|

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

Removed from v.1.512.2.24.2.10
changed lines
	Added in v.1.525