loncom/homework/structuretags.pm - diff

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Diff for /loncom/homework/structuretags.pm between versions 1.539 and 1.583

version 1.539, 2015/09/14 13:45:19	version 1.583, 2024/01/13 12:07:13
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;

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


Line 192 sub end_web {	Line 194 sub end_web {
return '';	return '';
}	}

	sub start_print {
	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
	if ($target ne 'edit' && $target ne 'modified') {
	if ($target ne 'tex') {
	my $skip = &Apache::lonxml::get_all_text("/print",$parser,$style);
	&Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
	}
	} elsif ($target eq "edit") {
	my $bodytext = &Apache::lonxml::get_all_text_unbalanced("/print",$parser);
	my $result = &Apache::edit::tag_start($target,$token);
	$result .= &Apache::edit::editfield($token->[1],$bodytext,'',80,1);
	return $result;
	} elsif ($target eq "modified") {
	return $token->[4].&Apache::edit::modifiedfield("/print",$parser);
	}
	return '';
	}

	sub end_print {
	return '';
	}

sub start_tex {	sub start_tex {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
my $result='';	my $result='';
Line 226 sub end_tex {	Line 250 sub end_tex {
sub homework_js {	sub homework_js {
my ($postsubmit,$timeout);	my ($postsubmit,$timeout);
if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {	if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
my $crstype;	my $crstype = &Apache::loncommon::course_type();
if (&Apache::loncommon::course_type() eq 'Community') {	if ($crstype eq 'Community') {
$crstype = 'community';	$crstype = 'community';
	} elsif ($crstype eq 'Placement') {
	$crstype = 'placement';
} else {	} else {
if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) {	if ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) {
$crstype = 'official';	$crstype = 'official';
Line 271 sub homework_js {	Line 297 sub homework_js {
}	}
return &Apache::loncommon::resize_textarea_js().	return &Apache::loncommon::resize_textarea_js().
&Apache::loncommon::colorfuleditor_js().	&Apache::loncommon::colorfuleditor_js().
&setmode_javascript().	&Apache::lonxml::setmode_javascript().
<<"JS";	<<"JS";
<script type="text/javascript">	<script type="text/javascript">
// <![CDATA[	// <![CDATA[
Line 317 var keypresshandled = 0;	Line 343 var keypresshandled = 0;
var postsubmit = '$postsubmit';	var postsubmit = '$postsubmit';

\$(document).ready(function(){	\$(document).ready(function(){
if (postsubmit != 'off') {	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)) {
Line 342 var postsubmit = '$postsubmit';	Line 368 var postsubmit = '$postsubmit';
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).id == "LC_page" ) && (\$('input[name="all_submit"]').length )) {	if (( \$(this.form).attr("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) {	}
\$( "#"+buttonId+"_pressed" ).val( "1" );	if (( "#"+buttonId+"_pressed" ).length) {
}	\$( "#"+buttonId+"_pressed" ).val( "1" );
}	}
} else {	} else {
\$( ".LC_status_"+buttonId ).hide();	\$( ".LC_status_"+buttonId ).hide();
Line 360 var postsubmit = '$postsubmit';	Line 386 var postsubmit = '$postsubmit';
if (timeout > 0) {	if (timeout > 0) {
setTimeout(function(){	setTimeout(function(){
\$( "#msg_"+buttonId ).css({"display": "none"});	\$( "#msg_"+buttonId ).css({"display": "none"});
if (( \$(this.form).id == "LC_page" ) && (\$('input[name="all_submit"]').length )) {	if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
if (buttonId != "all_submit") {	if (( "#"+buttonId+"_pressed" ).length) {
if (( "#"+buttonId+"_pressed" ).length) {	\$( "#"+buttonId+"_pressed" ).val( "" );
\$( "#"+buttonId+"_pressed" ).val( "" );
}
}	}
}	}
\$( ".LC_hwk_submit" ).prop( "disabled", false);	\$( ".LC_hwk_submit" ).prop( "disabled", false);
Line 385 var postsubmit = '$postsubmit';	Line 409 var postsubmit = '$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 417 sub page_start {	Line 428 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') \|\|
	(&Apache::loncommon::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$/);
Line 523 sub page_start {	Line 538 sub page_start {
} elsif (!defined($found{'body'})	} elsif (!defined($found{'body'})
&& $env{'request.state'} eq 'construct') {	&& $env{'request.state'} eq 'construct') {
if ($target eq 'web' \|\| $target eq 'edit') {	if ($target eq 'web' \|\| $target eq 'edit') {
# Breadcrumbs for Authoring Space	unless ($env{'form.inhibitmenu'} eq 'yes') {
&Apache::lonhtmlcommon::clear_breadcrumbs();	my $text = 'Authoring Space';
&Apache::lonhtmlcommon::add_breadcrumb({	my $href = &Apache::loncommon::authorspace($env{'request.uri'});
'text' => 'Authoring Space',	if ($env{'request.course.id'}) {
'href' => &Apache::loncommon::authorspace($env{'request.uri'}),	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
});	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
# breadcrumbs (and tools) will be created	if ($href eq "/priv/$cdom/$cnum/") {
# in start_page->bodytag->innerregister	$text = &mt('Course Authoring Space');
	}
	}
	# Breadcrumbs for Authoring Space
	&Apache::lonhtmlcommon::clear_breadcrumbs();
	&Apache::lonhtmlcommon::add_breadcrumb({
	'text' => $text,
	'href' => $href,
	});
	# breadcrumbs (and tools) will be created
	# in start_page->bodytag->innerregister

# FIXME Where are we?	# FIXME Where are we?
# &Apache::lonhtmlcommon::add_breadcrumb({	# &Apache::lonhtmlcommon::add_breadcrumb({
# 'text' => 'Problem Editing', # 'Problem Testing'	# 'text' => 'Problem Editing', # 'Problem Testing'
# 'href' => '',	# 'href' => '',
# });	# });
$pageheader =&Apache::loncommon::head_subbox(	$pageheader = &Apache::loncommon::head_subbox(
&Apache::loncommon::CSTR_pageheader());	&Apache::loncommon::CSTR_pageheader());
}	}
	}
} elsif (!defined($found{'body'})) {	} elsif (!defined($found{'body'})) {
my %add_entries;	my %add_entries;
my $background=&Apache::lonxml::get_param('background',$parstack,	my $background=&Apache::lonxml::get_param('background',$parstack,
Line 594 sub page_start {	Line 620 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 (($is_task) \|\| ($needs_upload)) {	if ($env{'request.user_in_effect'}) {
	$form_tag_start .= ' onsubmit="preventDefault();"';
	} elsif (($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 637 sub get_resource_name {	Line 665 sub get_resource_name {
}	}

sub setup_rndseed {	sub setup_rndseed {
my ($safeeval,$target,$probpartlist)=@_;	my ($safeeval,$target,$probpartlist,$prevparttype)=@_;
my ($symb)=&Apache::lonnet::whichuser();	my ($symb)=&Apache::lonnet::whichuser();
my ($questiontype,$set_safespace,$rndseed);	my ($questiontype,$set_safespace,$rndseed,$numtries,$reqtries);
if ($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 = $Apache::lonhomework::type;
}	}
if ($env{'request.state'} eq "construct"	if ($Apache::lonhomework::type eq 'randomizetry') {
\|\| $symb eq ''	my $partfortries = $Apache::inputtags::part;
\|\| $Apache::lonhomework::type eq 'practice'	#
\|\| $Apache::lonhomework::history{'resource.CODE'}) {	# Where question type is "randomizetry" for a problem containing
	# a single part (and unless type is explicitly set to not be
	# "randomizetry" for that part), the number of tries used to
	# determine randomization will be for that part, and randomization
	# from calls to &random() in a perl script block before the part tag,
	# will change based on the number of tries, and value of the
	# "randomizeontries" parameter in effect for the single part.
	#
	if (ref($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 658 sub setup_rndseed {	Line 712 sub setup_rndseed {
if (!$rndseed) {	if (!$rndseed) {
$rndseed=time;	$rndseed=time;
}	}
$env{'form.rndseed'}=$rndseed;	unless ($env{'form.code_for_randomlist'}) {
	$env{'form.rndseed'}=$rndseed;
	}
}	}
if (($env{'request.state'} eq "construct") &&	if ((($env{'request.state'} eq "construct") \|\| ($symb eq '')) &&
($Apache::lonhomework::type eq 'randomizetry')) {	($Apache::lonhomework::type eq 'randomizetry')) {
my $tries = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.tries"};	if ($numtries) {
if ($tries) {	if (($reqtries =~ /^\d+$/) && ($reqtries > 1)) {
$rndseed += $tries;	my $inc = int($numtries/$reqtries);
	$rndseed += $inc;
	} else {
	$rndseed += $numtries;
	}
}	}
$env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;	$env{'form.'.$Apache::inputtags::part.'.rndseed'}=$rndseed;
}	}
if ( ($env{'form.resetdata'} eq &mt('New Problem Variation')	if ( ($env{'form.resetdata'} eq 'new_problem_variation'
&& $env{'form.submitted'} eq 'yes') \|\|	&& $env{'form.submitted'} eq 'yes') \|\|
$env{'form.newrandomization'} eq &mt('New Randomization')) {	$env{'form.newrandomization'} eq &mt('New Randomization')) {
srand(time);	srand(time);
Line 686 sub setup_rndseed {	Line 746 sub setup_rndseed {
$rndseed=join(':',&Apache::lonnet::digest($rndseed));	$rndseed=join(':',&Apache::lonnet::digest($rndseed));
}	}
}	}
if ($Apache::lonhomework::history{'resource.CODE'}) {	if (($env{'form.code_for_randomlist'}) && ($target eq 'analyze')) {
	$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;	$set_safespace = 1;
Line 698 sub setup_rndseed {	Line 762 sub setup_rndseed {
}	}
unless (($target eq 'analyze') && (defined($rndseed))) {	unless (($target eq 'analyze') && (defined($rndseed))) {
$rndseed=&Apache::lonnet::rndseed();	$rndseed=&Apache::lonnet::rndseed();
my $partfortries = $Apache::inputtags::part;	my $curr_try = $numtries;
if (ref($probpartlist) eq 'ARRAY') {
if ((@{$probpartlist} == 1) && ($probpartlist->[0] ne $Apache::inputtags::part)) {
$partfortries = $probpartlist->[0];
}
}
my $curr_try = $Apache::lonhomework::history{"resource.$partfortries.tries"};
if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {	if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
$curr_try ++;	$curr_try ++;
}	}
Line 712 sub setup_rndseed {	Line 770 sub setup_rndseed {
$rndseed = $1;	$rndseed = $1;
}	}
if ($curr_try) {	if ($curr_try) {
my $reqtries = &Apache::lonnet::EXT("resource.$partfortries.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 += $inc;
Line 725 sub setup_rndseed {	Line 782 sub setup_rndseed {
if ($target eq 'grade') {	if ($target eq 'grade') {
$Apache::lonhomework::rawrndseed = $rndseed;	$Apache::lonhomework::rawrndseed = $rndseed;
}	}
	} elsif ($prevparttype eq 'randomizetry') {
	if ($env{'form.0.rndseed'} ne '') {
	$set_safespace = 1;
	$rndseed = $env{'form.0.rndseed'};
	}
}	}
if ($set_safespace) {	if ($set_safespace) {
if ($safeeval) {	if ($safeeval) {
&Apache::lonxml::debug("Setting rndseed to $rndseed");	&Apache::lonxml::debug("Setting rndseed to $rndseed");
&Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);	&Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
	if (($Apache::lonhomework::type eq 'randomizetry') \|\| ($prevparttype eq 'randomizetry')) {
	&Apache::lonxml::debug("Setting randomizetrypart to $Apache::inputtags::part");
	&Apache::run::run('$external::randomizetrypart="'.$Apache::inputtags::part.'";',$safeeval);
	}
}	}
}	}
unless (($env{'request.state'} eq "construct") \|\| ($symb eq '')) {	unless (($env{'request.state'} eq "construct") \|\| ($symb eq '')) {
Line 754 sub problem_edit_action_button {	Line 820 sub problem_edit_action_button {

sub problem_edit_buttons {	sub problem_edit_buttons {
my ($mode)=@_;	my ($mode)=@_;
	my %editors = &Apache::loncommon::permitted_editors();
# Buttons that save	# Buttons that save
my $result = '<div style="float:right">';	my $result = '<div style="float:right">';
if ($mode eq 'editxml') {	if ($mode eq 'editxml') {
$result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');	if ($editors{'xml'}) {
	$result.=&problem_edit_action_button('subsaveedit','saveeditxml','s','Save and EditXML');
	}
$result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');	$result.=&problem_edit_action_button('subsaveview','saveviewxml','v','Save and View');
} else {	} else {
$result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');	if ($editors{'edit'}) {
	$result.=&problem_edit_action_button('subsaveedit','saveedit','s','Save and Edit');
	}
$result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');	$result.=&problem_edit_action_button('subsaveview','saveview','v','Save and View');
}	}
$result.="\n</div>\n";	$result.="\n</div>\n";
Line 768 sub problem_edit_buttons {	Line 839 sub problem_edit_buttons {
$result .= '<div>'.	$result .= '<div>'.
&problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);	&problem_edit_action_button('subdiscview','discard','d','Discard Edits and View',1);
if ($mode eq 'editxml') {	if ($mode eq 'editxml') {
$result.=&problem_edit_action_button('subedit','edit','e','Edit',1);	if ($editors{'edit'}) {
	$result.=&problem_edit_action_button('subedit','edit','e','Edit',1);
	}
	if ($editors{'daxe'}) {
	$result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',1);
	}
$result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);	$result.=&problem_edit_action_button('subundo','undoxml','u','Undo',1);
$result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);	if (&Apache::loncommon::nocodemirror()) {
	$result.=&Apache::lonhtmlcommon::dragmath_button("LC_editxmltext",1);
	}
} else {	} else {
$result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);	if ($editors{'xml'}) {
	$result.=&problem_edit_action_button('subeditxml','editxml','x','EditXML',1);
	}
	if ($editors{'daxe'}) {
	$result.=&problem_edit_action_button('subdaxe','daxe','w','Edit with Daxe',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>";
Line 844 sub option {	Line 927 sub option {

sub problem_web_to_edit_header {	sub problem_web_to_edit_header {
my ($rndseed)=@_;	my ($rndseed)=@_;
	my %editors = &Apache::loncommon::permitted_editors();
my $result .= '<div class="LC_edit_problem_header">';	my $result .= '<div class="LC_edit_problem_header">';

if (!$Apache::lonhomework::parsing_a_task) {	if (!$Apache::lonhomework::parsing_a_task) {
Line 943 $show_all	Line 1027 $show_all
</div>	</div>
<input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />	<input type="submit" name="changeproblemmode" value="'.&mt("Change View").'" />
<input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />	<input type="submit" name="clear_style_file" accesskey="d" value="'.&mt('Show Default View').'" />
<input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />	<button type="submit" name="resetdata" accesskey="r" value="reset_submissions">
	'.&mt('Reset Submissions').'</button>
</div>	</div>
<hr />	<hr />
<div class="LC_edit_problem_header_randomize_row">	<div class="LC_edit_problem_header_randomize_row">
Line 972 $show_all	Line 1057 $show_all
<hr />	<hr />
<div>';	<div>';
$result.='<input type="hidden" name="problemmode" value="view" />';	$result.='<input type="hidden" name="problemmode" value="view" />';
$result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.	if ($editors{'edit'}) {
'onclick="javascript:setmode(this.form,'."'edit'".')" />';	$result .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
$result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.	'onclick="javascript:setmode(this.form,'."'edit'".')" />';
'onclick="javascript:setmode(this.form,'."'editxml'".')" />';	}
	if ($editors{'xml'}) {
	$result .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
	'onclick="javascript:setmode(this.form,'."'editxml'".')" />';
	}
	if (($editors{'daxe'}) &&
	($env{'browser.type'} ne 'explorer' \|\| $env{'browser.version'} > 9)) {
	my $uri = $env{'request.uri'};
	my $daxeurl = '/daxepage'.$uri;
	$result .= '<input type="button" accesskey="w" value="'.&mt('Edit with Daxe').'" '.
	'onclick="javascript:setmode(this.form,'."'daxe'".')" />';
	}
$result.='	$result.='
</div>	</div>
<hr />	<hr />
Line 1002 sub initialize_storage {	Line 1098 sub initialize_storage {
\|\| $Apache::lonhomework::type eq 'practice') {	\|\| $Apache::lonhomework::type eq 'practice') {

my $namespace = $symb \|\| $env{'request.uri'};	my $namespace = $symb \|\| $env{'request.uri'};
if ($env{'form.resetdata'} eq &mt('Reset Submissions') \|\|	if ($env{'form.resetdata'} eq 'reset_submissions' \|\|
($env{'form.resetdata'} eq &mt('New Problem Variation')	($env{'form.resetdata'} eq 'new_problem_variation'
&& $env{'form.submitted'} eq 'yes') \|\|	&& $env{'form.submitted'} eq 'yes') \|\|
$env{'form.newrandomization'} eq &mt('New Randomization')) {	$env{'form.newrandomization'} eq &mt('New Randomization')) {
&Apache::lonnet::tmpreset($namespace,'',$domain,$name);	&Apache::lonnet::tmpreset($namespace,'',$domain,$name);
Line 1011 sub initialize_storage {	Line 1107 sub initialize_storage {
}	}
%Apache::lonhomework::history=	%Apache::lonhomework::history=
&Apache::lonnet::tmprestore($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 1034 sub initialize_storage {	Line 1130 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 1050 sub initialize_storage {	Line 1146 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 1069 sub finalize_storage {	Line 1165 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 1078 sub finalize_storage {	Line 1176 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,$checkedparts,@parts,%postcorrect);	my ($laststore,$checkedparts,@parts,%postcorrect,%record);
if (($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';	$laststore = '0=0';
}	}
my %record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);	%record = &Apache::lonnet::restore($symb,$courseid,$domain,$name);
if ($record{'version'}) {	if ($record{'version'}) {
my ($newversion,$oldversion,$oldtimestamp);	my ($newversion,$oldversion,$oldtimestamp);
if ($Apache::lonhomework::history{'version'}) {	if ($Apache::lonhomework::history{'version'}) {
Line 1164 sub finalize_storage {	Line 1273 sub finalize_storage {
}	}
}	}
}	}
	if ($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 1173 sub finalize_storage {	Line 1372 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') {
	my @recurseup = &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 1278 sub store_aggregates {	Line 1570 sub store_aggregates {
} else {	} else {
$anoncounter{$symb."\0".$part} = 1;	$anoncounter{$symb."\0".$part} = 1;
}	}
my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.':'};	my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}.'::'};
if ($needsrelease) {	if ($needsrelease) {
my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};	my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
if ($curr_required eq '') {	if ($curr_required eq '') {
Line 1307 sub store_aggregates {	Line 1599 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') {
	$msg.=&mt('Not available to make a reservation.');
	} elsif ($status eq 'NEED_DIFFERENT_IP') {
	if ($ipused) {
	$msg.=&mt('You must use the same computer ([_1]) you used when you first accessed this resource using your time/place-based reservation.',"IP: $ipused");
	} else {
	$msg.=&mt('Each student must use a different computer to access this resource at this time and/or place.').'<br />'.
	&mt('Somebody else has already used this particular computer for that purpose.');
	}
	}
	$msg.='<br />';
	} elsif ($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 $needsiptied;
	if (ref($slot)) {
	$needsiptied = $slot->{'iptied'};
	}
	my $check = &Apache::bridgetask::check_in('problem',undef,undef,
	$slot_name,$needsiptied);
	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',
Line 1352 sub firstaccess_msg {	Line 1745 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 1396 sub init_problem_globals {	Line 1791 sub init_problem_globals {
@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($Apache::lonhomework::type);
Line 1419 sub reset_problem_globals {	Line 1815 sub reset_problem_globals {
undef($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 1510 sub start_problem {	Line 1907 sub start_problem {
my $status;	my $status;
my $accessmsg;	my $accessmsg;
my $resource_due;	my $resource_due;
	my $ipused;

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

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) = split(/_/,$interval[0]);	my ($timelimit) = split(/_/,$interval[0]);
&Apache::lonnet::set_first_access($interval[1],$timelimit);	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' \|\| $target eq 'tex'
Line 1532 sub start_problem {	Line 1929 sub start_problem {
($result,$form_tag_start,$probpartlist) =	($result,$form_tag_start,$probpartlist) =
&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,	&page_start($target,$token,$tagstack,$parstack,$parser,$safeeval,
$name);	$name);
} elsif (($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) {	} elsif ((($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) \|\|
	($target eq 'answer')) {
my ($symb)= &Apache::lonnet::whichuser();	my ($symb)= &Apache::lonnet::whichuser();
my $navmap = Apache::lonnavmaps::navmap->new();	if ($symb ne '') {
if (ref($navmap)) {	my $navmap = Apache::lonnavmaps::navmap->new();
my $res = $navmap->getBySymb($symb);	if (ref($navmap)) {
if (ref($res)) {	my $res = $navmap->getBySymb($symb);
$probpartlist = $res->parts();	if (ref($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,$slot,$ipused) =
	&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 $partorder=&Apache::lonnet::metadata($env{'request.uri'},'partorder');
	if ($partorder ne '') {
	@{$probpartlist} = split(/,/,$partorder);
	}
	}
my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);	my $rndseed=&setup_rndseed($safeeval,$target,$probpartlist);
if (($target eq 'grade') && &Apache::response::submitted()) {	if (($target eq 'grade') && &Apache::response::submitted()) {
if ($Apache::lonhomework::type eq 'randomizetry') {	if ($Apache::lonhomework::type eq 'randomizetry') {
Line 1564 sub start_problem {	Line 1985 sub start_problem {
}	}
}	}
}	}
my ($symb)=&Apache::lonnet::whichuser();

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="'.
$rndseed.'" />'.	$rndseedval.'" />'.
'<input type="submit" name="resetdata"	'<button type="submit" name="resetdata"
value="'.&mt('New Problem Variation').'" />';	value="new_problem_variation">'.&mt('New Problem Variation').'</button>';
if (exists($env{'form.username'})) {	if (exists($env{'form.username'})) {
$form_tag_start.=	$form_tag_start.=
'<input type="hidden" name="username"	'<input type="hidden" name="username"
Line 1591 sub start_problem {	Line 2015 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") &&	}
($Apache::lonhomework::type eq 'randomizetry') &&	if (($env{'request.state'} ne "construct") &&
($status eq 'CAN_ANSWER')) {	($Apache::lonhomework::type eq 'randomizetry') &&
my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");	($status eq 'CAN_ANSWER') &&
my $problemstatus = &get_problem_status($Apache::inputtags::part);	($env{'course.'.$env{'request.course.id'}.'.type'} ne 'Placement') &&
$form_tag_start.=&randomizetry_problem_header($problemstatus,$reqtries);	(!$env{'request.role.adv'})) {
	# "New Problem Variation Each Try" header suppressed for Placement Tests, unless course personnel.
	my @parts;
	if (ref($probpartlist) eq 'ARRAY') {
	@parts = @{$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 1613 sub start_problem {	Line 2047 sub start_problem {
( $status eq 'NOTRESERVABLE') \|\|	( $status eq 'NOTRESERVABLE') \|\|
( $status eq 'RESERVABLE') \|\|	( $status eq 'RESERVABLE') \|\|
( $status eq 'RESERVABLE_LATER') \|\|	( $status eq 'RESERVABLE_LATER') \|\|
( $status eq 'INVALID_ACCESS')) {	( $status eq 'INVALID_ACCESS') \|\|
	( $status eq 'NEED_DIFFERENT_IP')) {
my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,	my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser,
$style);	$style);
if ( $target eq "web" ) {	if (($status eq 'NOT_YET_VIEWED') && ($firstaccres)) {
my $msg;	$result .= '<p class="LC_error">'.
if ($status eq 'UNAVAILABLE') {	&mt('A problem occurred when trying to start the timer.').'</p>';
$msg.='<p class="LC_error">'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</p>';	}
} elsif ($status eq 'NOT_IN_A_SLOT') {	$result .= &access_status_msg('problem',$status,$symb,$target,$ipused,$accessmsg);
$msg.='<p class="LC_warning">'.&mt('You are not currently signed up to work at this time and/or place.').'</p>';
} elsif (($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);	$style);
if ($target eq 'web') {	$result .= &checkin_prompt($target,$slot_name,$slot,'problem');
$result .=
&Apache::bridgetask::proctor_validation_screen($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 '') {
my $checked_in =	$resource_due = &selfcheckin_resource($resource_due,$slot_name,$slot,
$Apache::lonhomework::history{'resource.0.checkedin'};	$env{'request.symb'});
if ($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 = $resource_due - time();
Line 1703 sub start_problem {	Line 2078 sub start_problem {
'<input type="hidden" name="submitted" value="yes" />';	'<input type="hidden" name="submitted" value="yes" />';
# create a page header and exit	# create a page header and exit
if ($env{'request.state'} eq "construct") {	if ($env{'request.state'} eq "construct") {
$result.= &problem_web_to_edit_header($env{'form.rndseed'});	if ($env{'form.inhibitmenu'} eq 'yes') {
	# error messages can be useful in any case
	$result.= &Apache::lonxml::message_location();
	} else {
	$result.= &problem_web_to_edit_header($env{'form.rndseed'});
	}
if ($Apache::lonhomework::type eq 'practice') {	if ($Apache::lonhomework::type eq 'practice') {
$result.= '<input type="submit" name="resetdata" '.	$result.= '<button type="submit" name="resetdata" '.
'value="'.&mt('New Problem Variation').'" />'.	'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
&practice_problem_header().'<hr />';	&practice_problem_header().'<hr />';
	} elsif ($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,$reqtries);
}	}
}	}
# if we are viewing someone else preserve that info	# if we are viewing someone else preserve that info
Line 1729 sub start_problem {	Line 2113 sub start_problem {
} elsif ($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 1850 sub end_problem {	Line 2232 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 1889 sub end_problem {	Line 2277 sub end_problem {
# Added separately at end of this routine, after added	# Added separately at end of this routine, after added
# <script></script> so document will be valid xhtml.	# <script></script> so document will be valid xhtml.
#	#
$result.= &Apache::loncommon::end_page({'discussion' => 1,	my $showdisc = 1;
	if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
	(!$env{'request.role.adv'})) {
	# For Placement Tests footer with "Post Discussion" and "Send Feedback" links is suppressed.
	$showdisc = 0;
	my ($symb)= &Apache::lonnet::whichuser();
	if ($symb) {
	my $navmap = Apache::lonnavmaps::navmap->new();
	if (ref($navmap)) {
	my $hastries = &Apache::lonplacementtest::has_tries($symb,$navmap);
	# For Placement Tests test status is displayed if this is the last resource in the course
	# and there are no tries left
	unless ($hastries) {
	if (&Apache::lonplacementtest::is_lastres($symb,$navmap)) {
	my ($score,$incomplete) =
	&Apache::lonplacementtest::check_completion(undef,undef,1);
	if (!$incomplete) {
	$result .= &Apache::lonplacementtest::showresult(1,1);
	} elsif ($incomplete < 100) {
	$result.= &Apache::lonplacementtest::showincomplete($incomplete,1);
	}
	} else {
	# For Placement Tests score is displayed if test has just been completed
	my ($score,$incomplete) = &Apache::lonplacementtest::check_completion(undef,undef,1);
	if (!$incomplete) {
	$result.= &Apache::lonplacementtest::showresult(1,1);
	}
	}
	}
	}
	}
	}
	$result.= &Apache::loncommon::end_page({'discussion' => $showdisc,
'notbody' => 1});	'notbody' => 1});
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
my $endminipage = '';	my $endminipage = '';
Line 1909 sub end_problem {	Line 2329 sub end_problem {
}	}
}	}
if ($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 1926 sub end_problem {	Line 2363 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_part_order('problem');
$result.=&Apache::response::meta_response_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 $target, edit");
Line 1947 sub end_problem {	Line 2384 sub end_problem {
# computation:	# computation:
#	#
if ($target eq 'web') {	if ($target eq 'web') {
$result .= &Apache::lonhtmlcommon::set_compute_end_time();	$result .= &Apache::lonhtmlcommon::dash_to_minus_js().
	&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 1986 sub start_library {	Line 2424 sub start_library {
'<input type="hidden" name="submitted" value="yes" />';	'<input type="hidden" name="submitted" value="yes" />';
$result.=&problem_web_to_edit_header($rndseed);	$result.=&problem_web_to_edit_header($rndseed);
if ($Apache::lonhomework::type eq 'practice') {	if ($Apache::lonhomework::type eq 'practice') {
$result.= '<input type="submit" name="resetdata" '.	$result.= '<button type="submit" name="resetdata" '.
'value="'.&mt('New Problem Variation').'" />'.	'value="new_problem_variation">'.&mt('New Problem Variation').'</button>'.
&practice_problem_header().'<hr />';	&practice_problem_header().'<hr />';
}	}
}	}
return $result;	return $result;
Line 2003 sub end_library {	Line 2441 sub end_library {
&& ($#$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_part_order('library');
	$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 2485 sub start_randomlist {	Line 2926 sub start_randomlist {
}	}
if (@randomlist) {	if (@randomlist) {
my @idx_arr = (0 .. $#randomlist);	my @idx_arr = (0 .. $#randomlist);
&Apache::structuretags::shuffle(\@idx_arr);	if ($env{'form.code_for_randomlist'}) {
	&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 2524 sub start_randomlist {	Line 2970 sub start_randomlist {
}	}

sub shuffle {	sub shuffle {
my $a=shift;	my ($a,$target) = @_;
my $i;	my $i;
if (ref($a) eq 'ARRAY' && @$a) {	if (ref($a) eq 'ARRAY' && @$a) {
&Apache::response::pushrandomnumber();	&Apache::response::pushrandomnumber(undef,$target);
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 == $j;
Line 2626 sub start_part {	Line 3072 sub start_part {
if (($target eq 'grade') && &Apache::response::submitted()) {	if (($target eq 'grade') && &Apache::response::submitted()) {
$Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;	$Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
}	}
	} elsif (@Apache::inputtags::partlist > 1) {
	my $prevparttype = &Apache::lonnet::EXT("resource.$Apache::inputtags::partlist[-2].type");
	if ($prevparttype eq 'randomizetry') {
	my $rndseed=&setup_rndseed($safeeval,$target,'',$prevparttype);
	if (($target eq 'grade') && &Apache::response::submitted()) {
	$Apache::lonhomework::results{"resource.$id.rndseed"}=$rndseed;
	}
	}
} elsif (($target eq 'grade') && &Apache::response::submitted()) {	} elsif (($target eq 'grade') && &Apache::response::submitted()) {
$Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;	$Apache::lonhomework::results{"resource.$id.rndseed"}=$Apache::lonhomework::rawrndseed;
}	}
Line 2701 sub start_part {	Line 3155 sub start_part {
} elsif ($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 $num = scalar(@Apache::inputtags::partlist)-1;
if ($probrandomize eq 'randomizetry') {	if ((($Apache::lonhomework::default_type eq 'randomizetry') \|\|
if (&Apache::lonnet::EXT("resource.$Apache::inputtags::part.type") ne 'randomizetry') {	($Apache::lonhomework::randomizetrypart)) &&
$result .= &randomizetry_part_header($problemstatus,'none',$num);	($Apache::lonhomework::type ne 'randomizetry')) {
} else {	$result .= &randomizetry_part_header($problemstatus,'none',$num);
my $reqtries = &Apache::lonnet::EXT("resource.$Apache::inputtags::part.randomizeontries");	} elsif ($Apache::lonhomework::type eq 'randomizetry') {
if ($probrandtries ne $reqtries) {	$Apache::lonhomework::randomizetrypart = 1;
$result .= &randomizetry_part_header($problemstatus,$reqtries,$num);	my $reqtries = &Apache::lonnet::EXT("resource.$id.randomizeontries");
}
}
} 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 2769 sub end_part {	Line 3217 sub end_part {
$gradestatus='';	$gradestatus='';
}	}
$result.=$gradestatus;	$result.=$gradestatus;
if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';}	if ($$tagstack[-2] eq 'td' and $target eq 'tex') {
	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 ($target eq 'modified') {
Line 2933 sub end_startouttext {	Line 3385 sub end_startouttext {
.'<td><span class="LC_nobreak">'.&mt('Delete?').' '	.'<td><span class="LC_nobreak">'.&mt('Delete?').' '
.&Apache::edit::deletelist($target,$token)	.&Apache::edit::deletelist($target,$token)
.'</span></td>'	.'</span></td>'
.'<td><span id="math_'.$areaid.'">'	.'<td><span id="math_'.$areaid.'">';
.&Apache::lonhtmlcommon::dragmath_button($areaid,1)	if (&Apache::loncommon::nocodemirror()) {
.'</span></td>'	$result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);
	} else {
	$result.=' ';
	}
	$result.='</span></td>'
.'<td>'	.'<td>'
.&Apache::edit::insertlist($target,$token)	.&Apache::edit::insertlist($target,$token)
.'</td>'	.'</td>'
Line 3024 sub end_simpleeditbutton {	Line 3480 sub end_simpleeditbutton {
}	}

sub practice_problem_header {	sub practice_problem_header {
return '<span class="LC_info"><h3>'.&mt('Practice Problem').'</h3></span>'.	return '<h3 class="LC_info">'.&mt('Practice Problem').'</h3>'.
'<span class="LC_info">'.&mt('Submissions are not permanently recorded').	'<span class="LC_info">'.&mt('Submissions are not permanently recorded').
'</span>';	'</span>';
}	}

sub randomizetry_problem_header {	sub randomizetry_problem_header {
my ($problemstatus,$reqtries) = @_;	my ($problemstatus,$reqtries,$symb) = @_;
my ($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 3050 sub randomizetry_problem_header {	Line 3506 sub randomizetry_problem_header {
$text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');	$text = &mt('A new variation will be generated after each try until correct or tries limit is reached.');
}	}
}	}
return '<span class="LC_info"><h3>'.$header.'</h3></span>'.	if (($env{'request.state'} eq "construct") \|\| ($symb eq '')) {
'<span class="LC_info">'.$text.'</span><hr />';	return '<div class="LC_info" id="LC_randomizetry_header" style="display:none">'.
	'<h3>'.$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 3059 sub randomizetry_part_header {	Line 3520 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 no new variation after a try.');	$text = &mt('For this question there will be no new variation after a try.');
} elsif ($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') \|\|
Line 3081 sub randomizetry_part_header {	Line 3542 sub randomizetry_part_header {
if ($num > 1) {	if ($num > 1) {
$output .= '<hr />';	$output .= '<hr />';
}	}
$output .= '<span class="LC_info"><h4>'.$header.'</h4></span>'.	$output .= '<h4 class="LC_info">'.$header.'</h4>'.
'<span class="LC_info">'.$text.'</span><br /><br />';	'<span class="LC_info">'.$text.'</span><br /><br />';
return $output;	return $output;
}	}

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

Removed from v.1.539
changed lines
	Added in v.1.583