Diff for /loncom/homework/structuretags.pm between versions 1.512.2.22 and 1.539

version 1.512.2.22, 2019/11/05 18:14:39 version 1.539, 2015/09/14 13:45:19
Line 270  sub homework_js { Line 270  sub homework_js {
         $jstimeout = 1000 * $timeout;          $jstimeout = 1000 * $timeout;
     }      }
     return &Apache::loncommon::resize_textarea_js().      return &Apache::loncommon::resize_textarea_js().
            &Apache::loncommon::colorfuleditor_js().                  &Apache::loncommon::colorfuleditor_js().
            &setmode_javascript().             &setmode_javascript().
  <<"JS";   <<"JS";
 <script type="text/javascript">  <script type="text/javascript">
Line 317  var keypresshandled = 0; Line 317  var keypresshandled = 0;
 var postsubmit = '$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 = '$postsubmit'; Line 342  var postsubmit = '$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).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();
Line 360  var postsubmit = '$postsubmit'; Line 360  var postsubmit = '$postsubmit';
                 if (timeout > 0) {                  if (timeout > 0) {
                     setTimeout(function(){                      setTimeout(function(){
                                        \$( "#msg_"+buttonId ).css({"display": "none"});                                         \$( "#msg_"+buttonId ).css({"display": "none"});
                                        if (( \$(this.form).attr("id") == "LC_page" ) && (\$('input[name="all_submit"]').length )) {                                         if (( \$(this.form).id == "LC_page" ) && (\$('input[name="all_submit"]').length )) {
                                            if (( "#"+buttonId+"_pressed" ).length) {                                             if (buttonId != "all_submit") {
                                                \$( "#"+buttonId+"_pressed" ).val( "" );                                                 if (( "#"+buttonId+"_pressed" ).length) {
                                                      \$( "#"+buttonId+"_pressed" ).val( "" );
                                                  }
                                            }                                             }
                                        }                                         }
                                        \$( ".LC_hwk_submit" ).prop( "disabled", false);                                         \$( ".LC_hwk_submit" ).prop( "disabled", false);
Line 388  sub setmode_javascript { Line 390  sub setmode_javascript {
 <script type="text/javascript">  <script type="text/javascript">
 // <![CDATA[  // <![CDATA[
 function setmode(form,probmode) {  function setmode(form,probmode) {
     var initial = form.problemmode.value;  
     form.problemmode.value = probmode;      form.problemmode.value = probmode;
     form.submit();      form.submit();
     form.problemmode.value = initial;  
 }  }
 // ]]>  // ]]>
 </script>  </script>
Line 417  sub page_start { Line 417  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$/);
Line 494  sub page_start { Line 490  sub page_start {
             }              }
         }          }
         if ($needs_upload) {          if ($needs_upload) {
             $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js().              $extra_head .= &Apache::lonhtmlcommon::file_submissionchk_js()
                            '<script type="text/javascript" '.                              .'<script type="text/javascript" 
                            'src="/res/adm/includes/file_upload.js"></script>';                                  src="/res/adm/includes/file_upload.js"></script>';
         }          }
     }      }
   
Line 643  sub get_resource_name { Line 639  sub get_resource_name {
 sub setup_rndseed {  sub setup_rndseed {
     my ($safeeval,$target,$probpartlist)=@_;      my ($safeeval,$target,$probpartlist)=@_;
     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 688  sub setup_rndseed { Line 658  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 722  sub setup_rndseed { Line 686  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;          $set_safespace = 1;
Line 738  sub setup_rndseed { Line 698  sub setup_rndseed {
         }          }
         unless (($target eq 'analyze') && (defined($rndseed))) {          unless (($target eq 'analyze') && (defined($rndseed))) {
             $rndseed=&Apache::lonnet::rndseed();              $rndseed=&Apache::lonnet::rndseed();
             my $curr_try = $numtries;              my $partfortries = $Apache::inputtags::part;
               if (ref($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 746  sub setup_rndseed { Line 712  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 += $inc;
Line 803  sub problem_edit_buttons { Line 770  sub problem_edit_buttons {
    if ($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);         $result.=&problem_edit_action_button('subundo','undo','u','Undo',1);
Line 821  sub problem_edit_header { Line 786  sub problem_edit_header {
         <div class="LC_edit_problem_header">          <div class="LC_edit_problem_header">
         <div class="LC_edit_problem_header_title">          <div class="LC_edit_problem_header_title">
         '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'          '.&mt('Problem Editing').$mode.&Apache::loncommon::help_open_menu('Problem Editing','Problem_Editor_XML_Index',5,'Authoring').'
          </div><div class="LC_edit_actionbar" id="actionbar">'.          </div><div class="LC_edit_actionbar" id="actionbar">'.
          '<input type="hidden" name="problemmode" value="saveedit" />'.          '<input type="hidden" name="problemmode" value="saveedit" />'.
          &problem_edit_buttons();          &problem_edit_buttons();
   
     $return .= '</div></div>' . &Apache::lonxml::message_location();      $return .= '</div></div>' . &Apache::lonxml::message_location();
     $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />      $return .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined.css" />
Line 851  sub problem_edit_header { Line 816  sub problem_edit_header {
     return $return;      return $return;
 }  }
   
   
 sub problem_edit_footer {  sub problem_edit_footer {
     my $resource = $env{'request.ambiguous'};      my $resource = $env{'request.ambiguous'};
     return '</td></tr></table><br />      return '</td></tr></table><br />
Line 927  sub problem_web_to_edit_header { Line 891  sub problem_web_to_edit_header {
 ".&mt("Problem Type:")."  ".&mt("Problem Type:")."
 <select name='problemtype'>  <select name='problemtype'>
   <option value=''></option>    <option value=''></option>
   ".&option('exam'   ,'problemtype').&mt("Exam Problem")."</option>    ".&option('exam'   ,'problemtype').&mt("Bubblesheet Exam Problem")."</option>
   ".&option('problem','problemtype').&mt("Homework Problem")."</option>    ".&option('problem','problemtype').&mt("Homework Problem")."</option>
   ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>    ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
   ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>    ".&option('surveycred' ,'problemtype').&mt("Survey Question (with credit)")."</option>
Line 1047  sub initialize_storage { Line 1011  sub initialize_storage {
  }   }
  %Apache::lonhomework::history=   %Apache::lonhomework::history=
     &Apache::lonnet::tmprestore($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 1070  sub initialize_storage { Line 1034  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 1086  sub initialize_storage { Line 1050  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 1214  sub finalize_storage { Line 1178  sub finalize_storage {
 =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 1314  sub store_aggregates { Line 1278  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 '') {
                     &Apache::lonnet::update_released_required($needsrelease);                      &Apache::lonnet::update_released_required($needsrelease);
Line 1348  sub checkout_msg { Line 1312  sub checkout_msg {
  '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 1432  sub init_problem_globals { Line 1396  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($Apache::lonhomework::type);
Line 1456  sub reset_problem_globals { Line 1419  sub reset_problem_globals {
     undef($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 1550  sub start_problem { Line 1512  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,$slot,$probpartlist);
   
     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 $is_set = &Apache::lonnet::set_first_access($interval[1],$interval[0]);              my ($timelimit) = split(/_/,$interval[0]);
             unless (($is_set eq 'ok') || ($is_set eq 'already_set')) {              &Apache::lonnet::set_first_access($interval[1],$timelimit);
                 $firstaccres = $is_set;  
             }  
         }          }
   
         ($status,$accessmsg,$slot_name,$slot) =          ($status,$accessmsg,$slot_name,$slot) =
Line 1574  sub start_problem { Line 1534  sub start_problem {
  $name);   $name);
     } elsif (($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) {      } elsif (($target eq 'grade') && ($Apache::lonhomework::type eq 'randomizetry')) {
         my ($symb)= &Apache::lonnet::whichuser();          my ($symb)= &Apache::lonnet::whichuser();
         if ($symb ne '') {          my $navmap = Apache::lonnavmaps::navmap->new();
             my $navmap = Apache::lonnavmaps::navmap->new();          if (ref($navmap)) {
             if (ref($navmap)) {              my $res = $navmap->getBySymb($symb);
                 my $res = $navmap->getBySymb($symb);              if (ref($res)) {
                 if (ref($res)) {                  $probpartlist = $res->parts();
                     $probpartlist = $res->parts();  
                 }  
             }              }
         }          }
     }      }
Line 1591  sub start_problem { Line 1549  sub start_problem {
     if ($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 1613  sub start_problem { Line 1564  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="'.
  $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 1643  sub start_problem { Line 1591  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="'.$status.'";';
Line 1692  sub start_problem { Line 1633  sub start_problem {
  } elsif ($status eq 'UNCHECKEDOUT') {   } elsif ($status eq 'UNCHECKEDOUT') {
     $msg.=&checkout_msg();      $msg.=&checkout_msg();
  } elsif ($status eq 'NOT_YET_VIEWED') {   } elsif ($status eq 'NOT_YET_VIEWED') {
                     if ($firstaccres) {  
                         $msg .= '<p class="LC_error">'.  
                                 &mt('A problem occurred when trying to start the timer.').'</p>';  
                     }  
     $msg.=&firstaccess_msg($accessmsg,$symb);      $msg.=&firstaccess_msg($accessmsg,$symb);
  } elsif ($status eq 'NOT_IN_A_SLOT') {   } elsif ($status eq 'NOT_IN_A_SLOT') {
     $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");      $msg.=&Apache::bridgetask::add_request_another_attempt_button("Sign up for time to work");
Line 1771  sub start_problem { Line 1708  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,$reqtries);  
                 }                  }
     }      }
     # if we are viewing someone else preserve that info      # if we are viewing someone else preserve that info
Line 1976  sub end_problem { Line 1909  sub end_problem {
     }      }
  }   }
         if ($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 ($target eq 'grade') {
     &Apache::lonhomework::showhash(%Apache::lonhomework::results);      &Apache::lonhomework::showhash(%Apache::lonhomework::results);
Line 2087  sub end_library { Line 2003  sub end_library {
      && ($#$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 2571  sub start_randomlist { Line 2485  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 2615  sub start_randomlist { Line 2524  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 == $j;
Line 2792  sub start_part { Line 2701  sub start_part {
  } elsif ($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 2970  sub start_problemtype { Line 2885  sub start_problemtype {
     ['hide','Hide']]      ['hide','Hide']]
    ,$token);     ,$token);
  $result .=&Apache::edit::checked_arg('When used as type(s):','for',   $result .=&Apache::edit::checked_arg('When used as type(s):','for',
      [ ['exam','Exam/Quiz Problem'],       [ ['exam','Bubblesheet Exam/Quiz Problem'],
        ['survey','Survey'],         ['survey','Survey'],
                                                ['surveycred','Survey (with credit)'],                                                 ['surveycred','Survey (with credit)'],
                                                ['anonsurvey','Anonymous Survey'],                                                 ['anonsurvey','Anonymous Survey'],
Line 3018  sub end_startouttext { Line 2933  sub end_startouttext {
                  .'<td><span class="LC_nobreak">'.&mt('Delete?').' '                   .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
                  .&Apache::edit::deletelist($target,$token)                   .&Apache::edit::deletelist($target,$token)
                  .'</span></td>'                   .'</span></td>'
          .'<td><span id="math_'.$areaid.'">';           .'<td><span id="math_'.$areaid.'">'
  if ($env{'environment.nocodemirror'}) {   .&Apache::lonhtmlcommon::dragmath_button($areaid,1)
     $result.=&Apache::lonhtmlcommon::dragmath_button($areaid,1);   .'</span></td>'
  } else {  
     $result.='&nbsp;';  
  }  
  $result.='</span></td>'  
  .'<td>'   .'<td>'
  .&Apache::edit::insertlist($target,$token)   .&Apache::edit::insertlist($target,$token)
  .'</td>'   .'</td>'
Line 3119  sub practice_problem_header { Line 3030  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 3139  sub randomizetry_problem_header { Line 3050  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 {

Removed from v.1.512.2.22  
changed lines
  Added in v.1.539


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