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Diff for /loncom/homework/structuretags.pm between versions 1.217 and 1.281

version 1.217, 2003/10/14 00:21:12 version 1.281, 2005/03/01 03:21:58
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # 2/19 Guy  ###
 # 6/26/2001 fixed extra web display at end of <web></web> tags  
 # 8/17,8/18,8/20 Gerd Kortemeyer  
   
   
 package Apache::structuretags;   package Apache::structuretags; 
Line 37  use Apache::lonnet; Line 35  use Apache::lonnet;
 use Apache::File();  use Apache::File();
 use Apache::lonmenu;  use Apache::lonmenu;
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::lonxml;
   use Time::HiRes qw( gettimeofday tv_interval );
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext',      &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
 'simpleeditbutton','definetag'));  
 }  }
   
 sub start_web {  sub start_web {
Line 84  sub page_start { Line 82  sub page_start {
     if (!defined($found{'html'})) {      if (!defined($found{'html'})) {
  $result=&Apache::londefdef::start_html($target,$token,$tagstack,   $result=&Apache::londefdef::start_html($target,$token,$tagstack,
        $parstack,$parser,$safeeval);         $parstack,$parser,$safeeval);
  $head_tag_start='<head>';   $head_tag_start='<head>'.&Apache::lonmenu::registerurl(undef,$target).
  if ($ENV{'request.state'} eq 'published') {      &Apache::lonhtmlcommon::htmlareaheaders().
     $head_tag_start.=&Apache::lonmenu::registerurl(undef,$target);      &Apache::lonhtmlcommon::spellheader().
  }      &Apache::lonxml::fontsettings();     
     }      }
     my $body_tag_start;      my $body_tag_start;
     if (!defined($found{'body'})) {      if (!defined($found{'body'}) && $ENV{'request.state'} eq 'construct'
  $body_tag_start='<body onLoad="'.&Apache::lonmenu::loadevents().'" '.   && $ENV{'environment.remote'} eq 'off') {
     'onUnload="'.&Apache::lonmenu::unloadevents().'" ';   $body_tag_start=&Apache::loncommon::bodytag();
    $body_tag_start.=&Apache::lonxml::message_location();
       } elsif (!defined($found{'body'})) {
    $body_tag_start='<body onload="'.&Apache::lonmenu::loadevents().'" '.
       'onunload="'.&Apache::lonmenu::unloadevents().'" ';
  my $background=&Apache::lonxml::get_param('background',$parstack,   my $background=&Apache::lonxml::get_param('background',$parstack,
   $safeeval);    $safeeval);
  if ($ENV{'browser.imagesuppress'} eq 'on') { $background=''; }   if ($ENV{'browser.imagesuppress'} eq 'on') { $background=''; }
Line 113  sub page_start { Line 115  sub page_start {
     $body_tag_start.=' style="font-size: x-large;" ';      $body_tag_start.=' style="font-size: x-large;" ';
  }   }
  $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);   $body_tag_start.='>'.&Apache::lonmenu::menubuttons(undef,$target,1);
    if ($ENV{'environment.texengine'} eq 'jsMath') {
       $body_tag_start.='<script type="text/javascript">
                        function NoFontMessage () {}
                      </script>'."\n".
          '<script src="/adm/jsMath/jsMath.js"></script>'."\n";
    }
  if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {   if ($target eq 'web' && $ENV{'request.state'} ne 'construct') {
     my ($symb,undef,undef,undef,$publicuser)=      my ($symb,undef,undef,undef,$publicuser)=
  &Apache::lonxml::whichuser();   &Apache::lonxml::whichuser();
Line 122  sub page_start { Line 130  sub page_start {
  $body_tag_start.=$help;   $body_tag_start.=$help;
     }      }
  }   }
    $body_tag_start.=&Apache::lonxml::message_location();
     }      }
     my $form_tag_start;      my $form_tag_start;
     if (!defined($found{'form'})) {      if (!defined($found{'form'})) {
  $form_tag_start='<form name="lonhomework" method="POST" action="'.   $form_tag_start='<form name="lonhomework" enctype="multipart/form-data" method="POST" action="';
     $ENV{'request.uri'}.'">';   my $uri=$ENV{'request.uri'};
    if ($ENV{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
    $form_tag_start.=$uri.'">';
     }      }
     return ($result,$head_tag_start,$body_tag_start,$form_tag_start);      return ($result,$head_tag_start,$body_tag_start,$form_tag_start);
 }  }
Line 137  sub get_resource_name { Line 148  sub get_resource_name {
     if (defined($Apache::lonhomework::name)) {      if (defined($Apache::lonhomework::name)) {
  return $Apache::lonhomework::name;   return $Apache::lonhomework::name;
     }      }
     my $name=&Apache::lonnet::gettitle();      my ($symb)=&Apache::lonxml::whichuser();
       my $name=&Apache::lonnet::gettitle($symb);
     if ($name eq '') {      if ($name eq '') {
  $name=&Apache::lonnet::EXT('resource.title');   $name=&Apache::lonnet::EXT('resource.title');
  if ($name eq 'con_lost') { $name = ''; }   if ($name eq 'con_lost') { $name = ''; }
Line 154  sub setup_rndseed { Line 166  sub setup_rndseed {
     my ($safeeval)=@_;      my ($safeeval)=@_;
     my $rndseed;      my $rndseed;
     my ($symb)=&Apache::lonxml::whichuser();      my ($symb)=&Apache::lonxml::whichuser();
     if ($ENV{'request.state'} eq "construct" || $symb eq '') {      if ($ENV{'request.state'} eq "construct" || $symb eq '' ||
             $Apache::lonhomework::history{'resource.CODE'}) {
  $rndseed=$ENV{'form.rndseed'};   $rndseed=$ENV{'form.rndseed'};
  if (!$rndseed) {   if (!$rndseed) {
     $rndseed=$Apache::lonhomework::history{'rndseed'};      $rndseed=$Apache::lonhomework::history{'rndseed'};
     if (!$rndseed) {      if (!$rndseed) {
  $rndseed=time;   $rndseed=time;
  $ENV{'form.rndseed'}=$rndseed;  
     }      }
       $ENV{'form.rndseed'}=$rndseed;
  }   }
  if ($ENV{'form.resetdata'} eq &mt('New Problem Variation') ||   if ($ENV{'form.resetdata'} eq &mt('New Problem Variation') ||
     $ENV{'form.newrandomization'} eq &mt('New Randomization')) {      $ENV{'form.newrandomization'} eq &mt('New Randomization')) {
Line 174  sub setup_rndseed { Line 187  sub setup_rndseed {
  if (defined($rndseed) && $rndseed ne int($rndseed)) {   if (defined($rndseed) && $rndseed ne int($rndseed)) {
    $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));     $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));
         }          }
  &Apache::lonxml::debug("Setting rndseed to $rndseed");          if ($Apache::lonhomework::history{'resource.CODE'}) {
  &Apache::run::run('$external::randomseed='.$rndseed.';',$safeeval);     $rndseed=&Apache::lonnet::rndseed();
    }
    if ($safeeval) {
       &Apache::lonxml::debug("Setting rndseed to $rndseed");
       &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
    }
     }      }
     return $rndseed;      return $rndseed;
 }  }
   
   sub remember_problem_state {
       return '
          <input type="hidden" name="problemstate" value="'.$ENV{'form.problemstate'}.'" />
          <input type="hidden" name="problemtype" value="'.$ENV{'form.problemtype'}.'" />
          <input type="hidden" name="problemstatus" value="'.$ENV{'form.problemstatus'}.'" />';
   }
   
 sub problem_edit_header {  sub problem_edit_header {
     return '<input type="hidden" name="submitted" value="edit" />      return '<input type="hidden" name="submitted" value="edit" />'.
    &Apache::structuretags::remember_problem_state().'
        <input type="hidden" name="problemmode" value="'.&mt('Edit').'" />         <input type="hidden" name="problemmode" value="'.&mt('Edit').'" />
        <input type="submit" name="problemmode" value="'.&mt('Discard Edits and View').'" />         <input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
        <input type="submit" name="problemmode" value="'.&mt('EditXML').'" />         <input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
        <input type="submit" name="Undo" value="'.&mt('undo').'" /> <hr />         <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" /> <hr />
        <input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />         <input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes and Edit').'" />
        <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" /><br /><p>&nbsp;</p><table border="0"><tr><td bgcolor="#DDDDDD">         <input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" /><table><tr><td>'.
       ';         &Apache::loncommon::help_open_menu('','Problem Editing Help','Problem_Editor_XML_Index','',5,'Authoring',undef,undef,undef,'Problem Editing Help')
          .'</td></tr></table>'.
          '<table border="0"><tr><td bgcolor="#DDDDDD">';
 }  }
   
 sub problem_edit_footer {  sub problem_edit_footer {
     return '</td></tr></table><br /><input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />      return '</td></tr></table><br /><input type="submit" name="submit" value="'.&mt('Submit Changes and Edit').'" />
     <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />';      <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />'.
       &Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields).
       "\n</form>\n".&Apache::loncommon::endbodytag()."\n</html>";
   }
   
   sub option {
       my ($value,$name) = @_;
       my $result ="<option value='".$value."' ";
       if ($ENV{'form.'.$name} eq $value) {
    $result.=" selected='on' ";
       }
       $result.='>';
       return $result;
 }  }
   
 sub problem_web_to_edit_header {  sub problem_web_to_edit_header {
     my ($rndseed)=@_;      my ($rndseed)=@_;
     my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />      my $result.='<input type="hidden" name="problemmode" value="'.&mt('View').'" />
              <input type="submit" name="problemmode" value="'.&mt('Edit').'" />               <input type="submit" name="problemmode" accesskey="e" value="'.&mt('Edit').'" />
              <input type="submit" name="problemmode" value="'.&mt('EditXML').'" />               <input type="submit" name="problemmode" accesskey="x" value="'.&mt('EditXML').'" />
              <input type="submit" name="newrandomization" value="'.&mt('New Randomization').'" />               <input type="submit" name="newrandomization" accesskey="a" value="'.&mt('New Randomization').'" />
              <input type="submit" name="resetdata" value="'.&mt('Reset Submissions').'" />               <input type="submit" name="resetdata" accesskey="r" value="'.&mt('Reset Submissions').'" />
              <nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />               <nobr><input type="submit" name="changerandseed" value="'.&mt('Change Random Seed To:').'" />
               <input type="text" name="rndseed" width="10" value="'.                <input type="text" name="rndseed" size="10" value="'.
        $rndseed.'"         $rndseed.'"
            onChange="javascript:document.lonhomework.changerandseed.click()" /></nobr>             onchange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
              <input type="checkbox" name="showallfoils" ';               <label><input type="checkbox" name="showallfoils" ';
     if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }      if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }
     $result.= ' />'.&mt('&nbsp;Show&nbsp;All&nbsp;Foils').'      $result.= ' />'.&mt('&nbsp;Show&nbsp;All&nbsp;Foils').
              <hr />';   &Apache::loncommon::help_open_topic('Problem_Editor_Testing_Area','Testing Problems').
    '</label><hr />';
       $result.="
   <nobr>
   Problem Status:
   <select name='problemstate'>
     <option value=''></option>
     ".&option('CLOSED'               ,'problemstate').&mt("Closed")."</option>
     ".&option('CAN_ANSWER'           ,'problemstate').&mt("Answerable")."</option>
     ".&option('CANNOT_ANSWER_tries'  ,'problemstate').&mt("Open with full tries")."</option>
     ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
     ".&option('SHOW_ANSWER'          ,'problemstate').&mt("Show Answer")."</option>
   </select>
   </nobr>
   <nobr>
   Problem Type:
   <select name='problemtype'>
     <option value=''></option>
     ".&option('exam'   ,'problemtype').&mt("Exam Problem")."</option>
     ".&option('problem','problemtype').&mt("Homework problem")."</option>
     ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
   </select>
   </nobr>
   <nobr>
   Feedback Mode:
   <select name='problemstatus'>
     <option value=''></option>
     ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
     ".&option('no', 'problemstatus').&mt("Don't Show Feedback")."</option>
   </select>
   </nobr>
   <input type='submit' name='changeproblemmode' value='".&mt("Change")."' />
   <hr />";
     my $numtoanalyze=$ENV{'form.numtoanalyze'};      my $numtoanalyze=$ENV{'form.numtoanalyze'};
     if (!$numtoanalyze) { $numtoanalyze=20; }      if (!$numtoanalyze) { $numtoanalyze=20; }
     $result.= '<input type="submit" name="problemmode" value='.      $result.= '<input type="submit" name="problemmode" value='.
Line 284  sub checkout_msg { Line 356  sub checkout_msg {
 ENDCHECKOUT  ENDCHECKOUT
 }  }
   
   sub firstaccess_msg {
       my ($time,$symb)=@_;
       my ($map)=&Apache::lonnet::decode_symb($symb);
       my $foldertitle=&Apache::lonnet::gettitle($map);
       &Apache::lonxml::debug("map is $map title is $foldertitle");
       return (<<ENDCHECKOUT);
   <h2>The resources in "$foldertitle" are open for a limited time. Once you click the 'Show Resource' button below you have $time to complete all resources "$foldertitle".</h2>
   <form name="markaccess" method="POST" action="$ENV{'request.uri'}">
   <input type="hidden" name="markaccess" value="yes" />
   <input type="button" name="accessbutton" value="Show Resource" onClick="javascript:if (confirm('Start Timer?')) { document.markaccess.submit(); }" />
   </form>
   ENDCHECKOUT
   }
   
 sub init_problem_globals {  sub init_problem_globals {
     my ($type)=@_;      my ($type)=@_;
     #initialize globals      #initialize globals
     if ($type eq 'problem') {      if ($type eq 'problem') {
  $Apache::inputtags::part='0';   $Apache::inputtags::part='0';
  @Apache::inputtags::partlist=('0');   @Apache::inputtags::partlist=('0');
  $Apache::lonhomework::problemstatus=   $Apache::lonhomework::problemstatus=&get_problem_status('0');
     &Apache::lonnet::EXT('resource.0.problemstatus');   $Apache::lonhomework::ignore_response_errors=0;
     } else {      } elsif ($type eq 'library') {
  $Apache::inputtags::part='';   $Apache::inputtags::part='';
  @Apache::inputtags::partlist=();   @Apache::inputtags::partlist=();
  $Apache::lonhomework::problemstatus='';   $Apache::lonhomework::problemstatus='';
    $Apache::lonhomework::ignore_response_errors=1;
     }      }
     @Apache::inputtags::responselist = ();      @Apache::inputtags::responselist = ();
     @Apache::inputtags::importlist = ();      @Apache::inputtags::importlist = ();
Line 321  sub reset_problem_globals { Line 408  sub reset_problem_globals {
     undef($Apache::lonhomework::name);      undef($Apache::lonhomework::name);
 }  }
   
   sub set_problem_state {
       my ($part)=@_;
       if ($ENV{'form.problemstate'} eq 'CANNOT_ANSWER_correct') {
    $Apache::lonhomework::history{"resource.$part.solved"}=
       'correct_by_student';
       }
   }
   
   sub get_problem_status {
       my ($part)=@_;
       my $problem_status;
       if ($ENV{'request.state'} eq 'construct' &&
    defined($ENV{'form.problemstatus'})) {
    $problem_status=$ENV{'form.problemstatus'};
       } else {
    $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
    &Apache::lonxml::debug("problem status for $part is $problem_status");
    &Apache::lonxml::debug("env probstat is ".$ENV{'form.problemstatus'});
       }
       return $problem_status;
   }
   
 sub start_problem {  sub start_problem {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
Line 338  sub start_problem { Line 447  sub start_problem {
  $Apache::lonhomework::scantronmode=1;   $Apache::lonhomework::scantronmode=1;
     }      }
   
       &initialize_storage();
     if ($target ne 'analyze') {      if ($target ne 'analyze') {
  &initialize_storage();  
  if ($target eq 'web') {   if ($target eq 'web') {
     &Apache::lonhomework::showhash(%Apache::lonhomework::history);      &Apache::lonhomework::showhash(%Apache::lonhomework::history);
  }   }
           if ($ENV{'request.state'} eq 'construct') { &set_problem_state('0'); }
  $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');   $Apache::lonhomework::type=&Apache::lonnet::EXT('resource.0.type');
  &Apache::lonxml::debug("Found this to be of type :$Apache::lonhomework::type:");   if (($ENV{'request.state'} eq 'construct') &&
       defined($ENV{'form.problemtype'})) {
       $Apache::lonhomework::type=$ENV{'form.problemtype'};
    }
    &Apache::lonxml::debug("Found this to be of type :$Apache::ltonhomework::type:");
     }      }
     if ($Apache::lonhomework::type eq '' ) {      if ($Apache::lonhomework::type eq '' ) {
  my $uri=$ENV{'request.uri'};   my $uri=$ENV{'request.uri'};
Line 359  sub start_problem { Line 473  sub start_problem {
   
     #added vars to the scripting enviroment      #added vars to the scripting enviroment
     my $expression='$external::part=\''.$Apache::inputtags::part.'\';';      my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
       $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
     &Apache::run::run($expression,$safeeval);      &Apache::run::run($expression,$safeeval);
     my $status;      my $status;
     my $accessmsg;      my $accessmsg;
Line 382  sub start_problem { Line 497  sub start_problem {
     }      }
     $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);      $body_tag_start.=&Apache::lonxml::printtokenheader($target,$token);
  }   }
    if ($ENV{'form.markaccess'}) {
       &Apache::lonnet::set_first_access('map');
    }
  #handle rand seed in construction space   #handle rand seed in construction space
  my $rndseed=&setup_rndseed($safeeval);   my $rndseed=&setup_rndseed($safeeval);
  my ($symb)=&Apache::lonxml::whichuser();   my ($symb)=&Apache::lonxml::whichuser();
Line 392  sub start_problem { Line 509  sub start_problem {
     '<input type="submit" name="resetdata"      '<input type="submit" name="resetdata"
                              value="'.&mt('New Problem Variation').'" />'.                               value="'.&mt('New Problem Variation').'" />'.
     '<input type="hidden" name="username"      '<input type="hidden" name="username"
                              value="'.$ENV{'form.username'}.'" /> <br />';                               value="'.$ENV{'form.username'}.'" />';
       if ($ENV{'user.adv'}) {
    $form_tag_start.=
       ' <input type="checkbox" name="showallfoils" ';
    if (defined($ENV{'form.showallfoils'})) {
       $form_tag_start.='checked="on"';
    }
    $form_tag_start.= ' />'.&mt('&nbsp;Show&nbsp;All&nbsp;Foils');
       }
       $form_tag_start.='<hr />';
  }   }
  ($status,$accessmsg) = &Apache::lonhomework::check_access('0');   ($status,$accessmsg) = &Apache::lonhomework::check_access('0');
  push (@Apache::inputtags::status,$status);   push (@Apache::inputtags::status,$status);
Line 402  sub start_problem { Line 528  sub start_problem {
  &Apache::lonxml::debug("Got $status");   &Apache::lonxml::debug("Got $status");
  if (( $status eq 'CLOSED' ) ||   if (( $status eq 'CLOSED' ) ||
     ( $status eq 'UNCHECKEDOUT') ||      ( $status eq 'UNCHECKEDOUT') ||
       ( $status eq 'NOT_YET_VIEWED') ||
     ( $status eq 'BANNED') ||      ( $status eq 'BANNED') ||
     ( $status eq 'UNAVAILABLE') ||      ( $status eq 'UNAVAILABLE') ||
     ( $status eq 'INVALID_ACCESS')) {      ( $status eq 'INVALID_ACCESS')) {
Line 410  sub start_problem { Line 537  sub start_problem {
  $result.= $head_tag_start.'</head>';   $result.= $head_tag_start.'</head>';
  my $msg=$body_tag_start;   my $msg=$body_tag_start;
  if ($status eq 'UNAVAILABLE') {   if ($status eq 'UNAVAILABLE') {
     $result.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';      $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
  } else {   } elsif ($status ne 'NOT_YET_VIEWED') {
     $result.='<h1>'.&mt('Not open to be viewed').'</h1>';      $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
  }   }
  if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {   if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
     $msg.='The problem '.$accessmsg;      $msg.='The problem '.$accessmsg;
  } elsif ($status eq 'UNCHECKEDOUT') {   } elsif ($status eq 'UNCHECKEDOUT') {
     $msg.=&checkout_msg;      $msg.=&checkout_msg;
    } elsif ($status eq 'NOT_YET_VIEWED') {
       $msg.=&firstaccess_msg($accessmsg,$symb);
  }   }
  $result.=$msg.'<br />';   $result.=$msg.'<br />';
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
Line 430  sub start_problem { Line 559  sub start_problem {
     }      }
  } elsif ($target eq 'web') {   } elsif ($target eq 'web') {
     my $name= &get_resource_name($parstack,$safeeval);      my $name= &get_resource_name($parstack,$safeeval);
     if ($status eq 'CAN_ANSWER') {      $result.="$head_tag_start<title>$name</title></head>
  # create a page header and exit  
  $result.="$head_tag_start<title>$name</title></head>  
               $body_tag_start \n $form_tag_start".                $body_tag_start \n $form_tag_start".
   '<input type="hidden" name="submitted" value="yes" />';        '<input type="hidden" name="submitted" value="yes" />';
  if ($ENV{'request.state'} eq "construct") {      # create a page header and exit
     $result.= &problem_web_to_edit_header($ENV{'form.rndseed'});      if ($ENV{'request.state'} eq "construct") {
  }   $result.= &problem_web_to_edit_header($ENV{'form.rndseed'});
  # if we are viewing someone else preserve that info      }
  if (defined $ENV{'form.grade_symb'}) {      # if we are viewing someone else preserve that info
     foreach my $field ('symb','courseid','domain','username') {      if (defined $ENV{'form.grade_symb'}) {
  $result .= '<input type="hidden" name="grade_'.$field.   foreach my $field ('symb','courseid','domain','username') {
     '" value="'.$ENV{"form.grade_$field"}.'" />'."\n";      $result .= '<input type="hidden" name="grade_'.$field.
     }   '" value="'.$ENV{"form.grade_$field"}.'" />'."\n";
  }   }
     } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER'  
      || $status eq 'CLOSED' || $status eq 'UNAVALAILABLE' ||  
      $status eq 'INVALID_ACCESS') {  
  $result.=$head_tag_start.  
     "<title>$name</title></head>\n$body_tag_start\n";  
     }      }
  } elsif ($target eq 'tex') {   } elsif ($target eq 'tex') {
     my $startminipage = '';      my $startminipage = '';
Line 458  sub start_problem { Line 580  sub start_problem {
     }      }
     my $id = $Apache::inputtags::part;      my $id = $Apache::inputtags::part;
     my $weight = &Apache::lonnet::EXT("resource.$id.weight");      my $weight = &Apache::lonnet::EXT("resource.$id.weight");
     my $allkeys=&Apache::lonnet::metadata($ENV{'request.uri'},'keys');      my $packages=&Apache::lonnet::metadata($ENV{'request.uri'},'packages');
     my @allkeys = split /,/,$allkeys;      my @packages = split /,/,$packages;
     my $allow_print_points = 0;      my $allow_print_points = 0;
     foreach my $partial_key (@allkeys) {      foreach my $partial_key (@packages) {
  if ($partial_key=~m/weight/) {   if ($partial_key=~m/^part_0$/) {
     $allow_print_points++;      $allow_print_points=1;
  }   }
     }      }
       my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
       if (defined($maxtries) && $maxtries < 0) { $allow_print_points=0; }
     my $duedate = &Apache::lonnet::EXT("resource.$id.duedate");       my $duedate = &Apache::lonnet::EXT("resource.$id.duedate"); 
     $duedate = POSIX::strftime("%c",localtime($duedate));      $duedate = POSIX::strftime("%c",localtime($duedate));
     my $temp_file;      my $temp_file;
Line 478  sub start_problem { Line 602  sub start_problem {
     my @due_file_content = <$temp_file>;      my @due_file_content = <$temp_file>;
     my $due_file_content = $due_file_content[$#due_file_content];      my $due_file_content = $due_file_content[$#due_file_content];
     chomp $due_file_content;      chomp $due_file_content;
     my $name_of_resourse= &get_resource_name($parstack,$safeeval);      my $name_of_resourse= &Apache::lonxml::latex_special_symbols(&get_resource_name($parstack,$safeeval),'header');
     if ($due_file_content ne $duedate) {      if ($due_file_content ne $duedate) {
  $temp_file = Apache::File->new('>'.$filename);   $temp_file = Apache::File->new('>'.$filename);
  print $temp_file "$duedate\n";   print $temp_file "$duedate\n";
Line 504  sub start_problem { Line 628  sub start_problem {
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.   $result.=$head_tag_start."</head>".$body_tag_start.$form_tag_start.
     &problem_edit_header();      &problem_edit_header();
    $Apache::lonxml::warnings_error_header=
       &mt("Editor Errors - these errors might not effect the running of the problem, but they will likely cause problems with further use of the Edit mode. Please use the EditXML mode to fix these errors.")."<br />";
  my $temp=&Apache::edit::insertlist($target,$token);   my $temp=&Apache::edit::insertlist($target,$token);
  $result.=$temp;   $result.=$temp;
     } elsif ($target eq 'modified') {      } elsif ($target eq 'modified') {
Line 522  sub end_problem { Line 648  sub end_problem {
     my $status=$Apache::inputtags::status['-1'];      my $status=$Apache::inputtags::status['-1'];
     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||      if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
  $target eq 'tex') {   $target eq 'tex') {
  if ( $target eq 'grade' && $Apache::inputtags::part eq '0' &&   if ( $target eq 'grade' && $Apache::inputtags::part eq '0') {
      $status eq 'CAN_ANSWER' ) {  
     # if part is zero, no <part>s existed, so we need to the grading      # if part is zero, no <part>s existed, so we need to the grading
     &Apache::inputtags::grade;      if ($status eq 'CAN_ANSWER' ||$Apache::lonhomework::scantronmode) {
    &Apache::inputtags::grade;
       } else {
    # move any submission data to .hidden
    &Apache::inputtags::hidealldata($Apache::inputtags::part);
       }
  } elsif ( ($target eq 'web' || $target eq 'tex') &&   } elsif ( ($target eq 'web' || $target eq 'tex') &&
   $Apache::inputtags::part eq '0' &&    $Apache::inputtags::part eq '0' &&
   $status ne 'UNCHECKEDOUT') {    $status ne 'UNCHECKEDOUT' && $status ne 'NOT_YET_VIEWED') {
     # if part is zero, no <part>s existed, so we need show the current      # if part is zero, no <part>s existed, so we need show the current
     # grading status      # grading status
     my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);      my $gradestatus = &Apache::inputtags::gradestatus($Apache::inputtags::part,$target);
Line 538  sub end_problem { Line 668  sub end_problem {
     (($target eq 'web') && ($ENV{'request.state'} ne 'construct')) ||      (($target eq 'web') && ($ENV{'request.state'} ne 'construct')) ||
     ($target eq 'answer') || ($target eq 'tex')      ($target eq 'answer') || ($target eq 'tex')
    ) {     ) {
     if ($status eq 'CAN_ANSWER') {      if ($target ne 'tex' &&
  if ($target ne 'tex' &&   $ENV{'form.answer_output_mode'} ne 'tex') {
     $ENV{'form.answer_output_mode'} ne 'tex') {   $result.="</form>";
     $result.="</form></body>\n";   $result.=&Apache::lonhtmlcommon::htmlareaselectactive(@Apache::lonxml::htmlareafields);
  }  
     } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER' ||  
     $status eq 'UNCHECKEDOUT' || $status eq 'INVALID_ACCESS') {  
  if ($target ne 'tex' &&  
     $ENV{'form.answer_output_mode'} ne 'tex') {  
     $result.="</body>\n";  
  }  
     }      }
     if ($target eq 'web') {      if ($target eq 'web') {
  $result.=&Apache::lonxml::xmlend();   $result.=&Apache::lonxml::xmlend().'</html>';
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
  my $endminipage = '';   my $endminipage = '';
  if (not $ENV{'form.problem_split'}=~/yes/) {   if (not $ENV{'form.problem_split'}=~/yes/) {
     $endminipage = '\end{minipage}';      $endminipage = '\end{minipage}';
  }   }
  $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';                  if ($ENV{'form.print_discussions'} eq 'yes') {
  if (not $ENV{'request.symb'} =~ m/\.page_/) {      $result.=&Apache::lonxml::xmlend($target,$parser);
     $result .= $endminipage.'\end{document} ';      $result=~s/<\/html>//;
  } else {   } else {
     $result .= '';      $result .= '\keephidden{ENDOFPROBLEM}\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}';
       if (not $ENV{'request.symb'} =~ m/\.page_/) {
    $result .= $endminipage.'\end{document} ';
       } else {
    $result .= '';
       }
  }   }
     }      }
  }   }
Line 580  sub end_problem { Line 708  sub end_problem {
     $result=&Apache::response::mandatory_part_meta;      $result=&Apache::response::mandatory_part_meta;
  }   }
  $result.=&Apache::response::meta_part_order();   $result.=&Apache::response::meta_part_order();
    $result.=&Apache::response::meta_response_order();
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  &Apache::lonxml::debug("in end_problem with $target, edit");   &Apache::lonxml::debug("in end_problem with $target, edit");
  $result = &problem_edit_footer();   $result = &problem_edit_footer();
Line 598  sub end_problem { Line 727  sub end_problem {
 sub start_library {  sub start_library {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my ($result,$head_tag_start,$body_tag_start,$form_tag_start);      my ($result,$head_tag_start,$body_tag_start,$form_tag_start);
     if ($$tagstack[0] eq 'library') { &init_problem_globals('library') };      if ($$tagstack[0] eq 'library') {
    &init_problem_globals('library');
    $Apache::lonhomework::type='problem';
       }
     if ($target eq 'edit') {      if ($target eq 'edit') {
  ($result,$head_tag_start,$body_tag_start,$form_tag_start)=   ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
     &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);      &page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
Line 630  sub end_library { Line 762  sub end_library {
  $result=&problem_edit_footer();   $result=&problem_edit_footer();
     } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&      } elsif ($target eq 'web' && $$tagstack[0] ne 'problem' &&
      $ENV{'request.state'} eq "construct") {       $ENV{'request.state'} eq "construct") {
  $result.='</form></body>'.&Apache::lonxml::xmlend();   $result.='</form>'.&Apache::loncommon::endbodytag().
       &Apache::lonxml::xmlend();
     }      }
     if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };      if ($$tagstack[0] eq 'library') { &reset_problem_globals('library') };
     return $result;      return $result;
Line 765  sub start_instructorcomment { Line 898  sub start_instructorcomment {
     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||      if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
  $target eq 'tex' || $target eq 'analyze') {   $target eq 'tex' || $target eq 'analyze') {
         $result=($ENV{'request.role'}=~/^(in|cc|au|ca|li)/);          $result=($ENV{'request.role'}=~/^(in|cc|au|ca|li)/);
  if ( ! $result ) {   if ( (! $result) or ($ENV{'form.instructor_comments'} eq 'hide')) {
     my $skip=&Apache::lonxml::get_all_text("/instructorcomment",      my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
    $parser,$style);     $parser,$style);
     &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");      &Apache::lonxml::debug("skipping ahead :$skip: $$parser[-1]");
Line 835  sub end_while { Line 968  sub end_while {
  while ($return) {   while ($return) {
     if (time-$starttime >      if (time-$starttime >
  $Apache::lonnet::perlvar{'lonScriptTimeout'}) {   $Apache::lonnet::perlvar{'lonScriptTimeout'}) {
  $return = 0; $error=1; next;   #$return = 0; $error=1; next;
     }      }
     $result.=&Apache::scripttag::xmlparse($bodytext);      $result.=&Apache::scripttag::xmlparse($bodytext);
     $return = &Apache::run::run($code,$safeeval);      $return = &Apache::run::run($code,$safeeval);
  }   }
  if ($error) {   if ($error) {
     &Apache::lonxml::error('<pre>'.&mt('Code ran too long. It ran for more than').' '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' '.&mt('seconds occured while running &lt;while$gt; on line').' '.$line.'</pre>');      &Apache::lonxml::error('<pre>'.&mt('Code ran too long. It ran for more than').' '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' '.&mt('seconds occured while running &lt;while&gt; on line').' '.$line.'</pre>');
  }   }
     } elsif ($target eq "edit") {      } elsif ($target eq "edit") {
  $result.= &Apache::edit::tag_end($target,$token,'');   $result.= &Apache::edit::tag_end($target,$token,'');
Line 913  sub shuffle { Line 1046  sub shuffle {
     my $a=shift;      my $a=shift;
     my $i;      my $i;
     if (defined(@$a)) {      if (defined(@$a)) {
  &Apache::response::setrandomnumber();   &Apache::response::pushrandomnumber();
  for($i=@$a;--$i;) {   for($i=@$a;--$i;) {
     my $j=int(&Math::Random::random_uniform() * ($i+1));      my $j=int(&Math::Random::random_uniform() * ($i+1));
     next if $i == $j;      next if $i == $j;
     @$a[$i,$j] = @$a[$j,$i];      @$a[$i,$j] = @$a[$j,$i];
  }   }
    &Apache::response::poprandomnumber();
     }      }
 }  }
   
Line 942  sub start_part { Line 1076  sub start_part {
     @Apache::inputtags::response=();      @Apache::inputtags::response=();
     @Apache::inputtags::previous=();      @Apache::inputtags::previous=();
     @Apache::inputtags::previous_version=();      @Apache::inputtags::previous_version=();
     $Apache::lonhomework::problemstatus=      $Apache::lonhomework::problemstatus=&get_problem_status($id);
  &Apache::lonnet::EXT("resource.$id.problemstatus");  
     my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);      my $hidden=&Apache::loncommon::check_if_partid_hidden($Apache::inputtags::part);
       my $newtype=&Apache::lonnet::EXT("resource.$id.type");
       if ($newtype) { $Apache::lonhomework::type=$newtype; }
   
     my $expression='$external::part=\''.$Apache::inputtags::part.'\';';      my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
       $expression.='$external::type=\''.$Apache::lonhomework::type.'\';';
     &Apache::run::run($expression,$safeeval);      &Apache::run::run($expression,$safeeval);
   
     if ($target eq 'meta') {      if ($target eq 'meta') {
  return &Apache::response::mandatory_part_meta;   my $display=&Apache::lonxml::get_param('display',$parstack,$safeeval);
    return &Apache::response::mandatory_part_meta.
          &Apache::response::meta_parameter_write('display','string',$display,'Part Description');
     } elsif ($target eq 'web' || $target eq 'grade' ||      } elsif ($target eq 'web' || $target eq 'grade' ||
      $target eq 'answer' || $target eq 'tex') {       $target eq 'answer' || $target eq 'tex') {
  if ($hidden) {   if ($hidden) {
Line 960  sub start_part { Line 1099  sub start_part {
     my $expression='$external::datestatus="'.$status.'";';      my $expression='$external::datestatus="'.$status.'";';
     $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';      $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
     &Apache::run::run($expression,$safeeval);      &Apache::run::run($expression,$safeeval);
       if ($ENV{'request.state'} eq 'construct') {
    &set_problem_state($Apache::inputtags::part); 
       }
     if (( $status eq 'CLOSED' ) ||      if (( $status eq 'CLOSED' ) ||
  ( $status eq 'UNCHECKEDOUT') ||   ( $status eq 'UNCHECKEDOUT') ||
    ( $status eq 'NOT_YET_VIEWED') ||
  ( $status eq 'BANNED') ||   ( $status eq 'BANNED') ||
  ( $status eq 'UNAVAILABLE') ||   ( $status eq 'UNAVAILABLE') ||
  ( $status eq 'INVALID_ACCESS')) {   ( $status eq 'INVALID_ACCESS')) {
Line 978  sub start_part { Line 1121  sub start_part {
     } else {      } else {
  if ($target eq 'tex') {   if ($target eq 'tex') {
     if (not $ENV{'form.problem_split'}=~/yes/) {      if (not $ENV{'form.problem_split'}=~/yes/) {
  $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';   if ($$tagstack[-2] eq 'td') {
       $result.='\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
    } else {
       $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
    }
     }      }
     my $weight = &Apache::lonnet::EXT("resource.$id.weight");      my $weight = &Apache::lonnet::EXT("resource.$id.weight");
     if ($Apache::lonhomework::type eq 'exam') { $result .= '\fbox{\textit{'.$weight.' pt}}';}      my $allkeys=&Apache::lonnet::metadata($ENV{'request.uri'},'packages');
       my @allkeys = split /,/,$allkeys;
       my $allow_print_points = 0;
       foreach my $partial_key (@allkeys) {
    if ($partial_key=~m/^part_(.*)$/) {
       if ($1 ne '0') {$allow_print_points=1;}
    }
       }
       my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
       if (defined($maxtries) && $maxtries < 0) {
    $allow_print_points=0;
       }
       if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
    } elsif ($target eq 'web') {
       $result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';
  }   }
     }      }
  }   }
Line 989  sub start_part { Line 1150  sub start_part {
  $result.=&Apache::edit::tag_start($target,$token);   $result.=&Apache::edit::tag_start($target,$token);
  $result.=&Apache::edit::text_arg('Part ID:','id',$token).   $result.=&Apache::edit::text_arg('Part ID:','id',$token).
     &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").      &Apache::loncommon::help_open_topic("Part_Tag_Edit_Help").
       '&nbsp;&nbsp;'.
   &Apache::edit::text_arg('Displayed Part Description:','display',$token).
  &Apache::edit::end_row().&Apache::edit::start_spanning_row();   &Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {      } elsif ($target eq 'modified') {
  my $constructtag=&Apache::edit::get_new_args($token,$parstack,   my $constructtag=&Apache::edit::get_new_args($token,$parstack,
      $safeeval,'id');       $safeeval,'id','display');
  if ($constructtag) {   if ($constructtag) {
       #limiting ids to only letters numbers, and space
       $token->[2]->{'id'}=~s/[^A-Za-z0-9 ]//gs;
     $result = &Apache::edit::rebuild_tag($token);      $result = &Apache::edit::rebuild_tag($token);
     $result.=&Apache::edit::handle_insert();      $result.=&Apache::edit::handle_insert();
  }   }
Line 1009  sub end_part { Line 1174  sub end_part {
     my $result='';      my $result='';
     if ( $target eq 'meta' ) {      if ( $target eq 'meta' ) {
  $result='';   $result='';
     } elsif ( $target eq 'grade' && $status eq 'CAN_ANSWER' && !$hidden) {      } elsif ($target eq 'grade') {
  $result=&Apache::inputtags::grade;   if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
       !$hidden) {
       $result=&Apache::inputtags::grade;
    } else {
       # move any submission data to .hidden
       &Apache::inputtags::hidealldata($Apache::inputtags::part);
    }
     } elsif (($target eq 'web' || $target eq 'tex') && !$hidden ) {      } elsif (($target eq 'web' || $target eq 'tex') && !$hidden ) {
  my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,   my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
  $target);   $target);
Line 1018  sub end_part { Line 1189  sub end_part {
     $gradestatus='';      $gradestatus='';
  }   }
  $result=$gradestatus;   $result=$gradestatus;
    if ($$tagstack[-2] eq 'td' and $target eq 'tex') {$result.='\end{minipage}';} 
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result=&Apache::edit::end_table();   $result=&Apache::edit::end_table();
     }      }
Line 1029  sub end_part { Line 1201  sub end_part {
 sub start_preduedate {  sub start_preduedate {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
    &Apache::lonxml::debug("State in preduedate is ". $Apache::inputtags::status['-1']);
  if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&   if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
     $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER' &&      $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
     $Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {      &Apache::lonxml::debug("Wha? ". ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER'));
     &Apache::lonxml::get_all_text("/preduedate",$parser);      &Apache::lonxml::get_all_text("/preduedate",$parser);
  }   }
     }      }
Line 1044  sub end_preduedate { Line 1217  sub end_preduedate {
   
 sub start_postanswerdate {  sub start_postanswerdate {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     if ($target eq 'web' || $target eq 'grade' || $target eq 'tex') {      if ($target eq 'web' || $target eq 'grade') {
  if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {   if ($Apache::inputtags::status['-1'] ne 'SHOW_ANSWER') {
     &Apache::lonxml::get_all_text("/postanswerdate",$parser);      &Apache::lonxml::get_all_text("/postanswerdate",$parser);
  }   }
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
  return '\vskip 0 mm \noindent';   &Apache::lonxml::get_all_text("/postanswerdate",$parser);
     }      }
     return '';      return '';
 }  }
Line 1064  sub start_notsolved { Line 1237  sub start_notsolved {
  $target eq 'tex') {   $target eq 'tex') {
  my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};   my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
  &Apache::lonxml::debug("not solved has :$gradestatus:");   &Apache::lonxml::debug("not solved has :$gradestatus:");
  if ($gradestatus =~ /^correct/) {   if ($gradestatus =~ /^correct/ &&
       &Apache::response::show_answer()) {
     &Apache::lonxml::debug("skipping");      &Apache::lonxml::debug("skipping");
     &Apache::lonxml::get_all_text("/notsolved",$parser);      &Apache::lonxml::get_all_text("/notsolved",$parser);
  }   }
Line 1081  sub start_solved { Line 1255  sub start_solved {
     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||      if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
  $target eq 'tex') {   $target eq 'tex') {
  my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};   my $gradestatus=$Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
  if ($gradestatus !~ /^correct/) {   if ($gradestatus !~ /^correct/ ||
       !&Apache::response::show_answer()) {
     &Apache::lonxml::get_all_text("/solved",$parser);      &Apache::lonxml::get_all_text("/solved",$parser);
  }   }
     }      }
Line 1092  sub end_solved { Line 1267  sub end_solved {
     return '';      return '';
 }  }
   
   sub start_problemtype {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
       my $result;
       if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ||
    $target eq 'tex' || $target eq 'analyze') {
    my $mode=lc(&Apache::lonxml::get_param('mode',$parstack,$safeeval));
    if (!defined($mode)) { $mode='show'; }
    my $for=&Apache::lonxml::get_param('for',$parstack,$safeeval);
    my $found=0;
    foreach my $type (split(',',$for)) {
       if ($Apache::lonhomework::type eq lc($type)) { $found=1; }
    }
    if ($mode eq 'show' && !$found) {
       &Apache::lonxml::get_all_text("/problemtype",$parser);
    }
    if ($mode eq 'hide' && $found) {
       &Apache::lonxml::get_all_text("/problemtype",$parser);
    }
       } elsif ($target eq 'edit') {
    $result .=&Apache::edit::tag_start($target,$token);
    $result.=&Apache::edit::select_arg('Mode:','mode',
      [['show','Show'],
       ['hide','Hide']]
      ,$token);
    $result .=&Apache::edit::checked_arg('When used as type(s):','for',
        [ ['exam','Exam/Quiz Problem'],
          ['survey','Survey'],
          ['problem','Homework Problem'] ]
        ,$token);
    $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
        $safeeval,'mode','for');
    if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
       }
       return $result;
   }
   
   sub end_problemtype {
       return '';
   }
   
 sub start_startouttext {  sub start_startouttext {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my @result=(''.'');      my @result=(''.'');
Line 1115  sub end_startouttext { Line 1332  sub end_startouttext {
  &Apache::edit::end_row().   &Apache::edit::end_row().
                  &Apache::edit::start_spanning_row()."\n"                   &Apache::edit::start_spanning_row()."\n"
  . &Apache::loncommon::helpLatexCheatsheet () .   . &Apache::loncommon::helpLatexCheatsheet () .
  &Apache::edit::editfield($token->[1],$text,"",80,4);   &Apache::edit::editfield($token->[1],$text,"",80,8,1);
     }      }
     if ($target eq 'modified') {      if ($target eq 'modified') {
  $text=&Apache::lonxml::get_all_text("endouttext",$parser);   $result='<startouttext />'.&Apache::edit::modifiedfield("endouttext",$parser);
  $result='<startouttext />'.&Apache::edit::modifiedfield();  
     }      }
     if ($target eq 'tex') {      if ($target eq 'tex') {
  $result .= '\noindent ';   $result .= '\noindent ';
Line 1161  sub delete_startouttext { Line 1377  sub delete_startouttext {
 sub start_simpleeditbutton {  sub start_simpleeditbutton {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
     my $result='';      my $result='';
     if (($target eq 'web') &&      if (($ENV{'form.simple_edit_button'} ne 'off') &&
    ($target eq 'web') &&
         (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {          (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
         my $url=$ENV{'REQUEST_URI'};          my $url=$ENV{'request.noversionuri'};
         $url=~s/\?.*$//;          $url=~s/\?.*$//;
    my ($symb) = &Apache::lonxml::whichuser();
  $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.   $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
                 '<a href="'.$url.'/smpedit">'.&mt('Simple Problem Editor').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').                  '<a href="'.$url.'/smpedit?symb='.&Apache::lonnet::escape($symb).'">'.&mt('Edit').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').
 &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';  &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
     }      }
     return $result;      return $result;
Removed from v.1.217  
changed lines
  Added in v.1.281

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