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Diff for /loncom/homework/structuretags.pm between versions 1.210 and 1.252

version 1.210, 2003/09/19 20:29:29 version 1.252, 2004/05/27 22:25:16
Line 37  use Apache::lonnet; Line 37  use Apache::lonnet;
 use Apache::File();  use Apache::File();
 use Apache::lonmenu;  use Apache::lonmenu;
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::lonxml;
   
 BEGIN {  BEGIN {
     &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','startouttext','endouttext',      &Apache::lonxml::register('Apache::structuretags',('block','languageblock','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
 'simpleeditbutton','definetag'));  
 }  }
   
 sub start_web {  sub start_web {
Line 115  sub page_start { Line 115  sub page_start {
  &Apache::lonxml::whichuser();   &Apache::lonxml::whichuser();
     if ($symb eq '' && !$publicuser) {      if ($symb eq '' && !$publicuser) {
  my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");   my $help = &Apache::loncommon::help_open_topic("Ambiguous_Reference");
  $help="Browsing resource, all submissions are temporary.<br />";   $help=&mt("Browsing resource, all submissions are temporary.")."<br />";
  $body_tag_start.=$help;   $body_tag_start.=$help;
     }      }
  }   }
    $body_tag_start.=&Apache::lonxml::message_location();
     }      }
     my $form_tag_start;      my $form_tag_start;
     if (!defined($found{'form'})) {      if (!defined($found{'form'})) {
Line 151  sub setup_rndseed { Line 152  sub setup_rndseed {
     my ($safeeval)=@_;      my ($safeeval)=@_;
     my $rndseed;      my $rndseed;
     my ($symb)=&Apache::lonxml::whichuser();      my ($symb)=&Apache::lonxml::whichuser();
     if ($ENV{'request.state'} eq "construct" || $symb eq '') {      if ($ENV{'request.state'} eq "construct" || $symb eq '' ||
             $Apache::lonhomework::history{'resource.CODE'}) {
  $rndseed=$ENV{'form.rndseed'};   $rndseed=$ENV{'form.rndseed'};
  if (!$rndseed) {   if (!$rndseed) {
     $rndseed=$Apache::lonhomework::history{'rndseed'};      $rndseed=$Apache::lonhomework::history{'rndseed'};
     if (!$rndseed) {      if (!$rndseed) {
  $rndseed=time;   $rndseed=time;
  $ENV{'form.rndseed'}=$rndseed;  
     }      }
       $ENV{'form.rndseed'}=$rndseed;
  }   }
  if ($ENV{'form.resetdata'} eq &mt('New Problem Variation') ||   if ($ENV{'form.resetdata'} eq &mt('New Problem Variation') ||
     $ENV{'form.newrandomization'} eq &mt('New Randomization')) {      $ENV{'form.newrandomization'} eq &mt('New Randomization')) {
Line 171  sub setup_rndseed { Line 173  sub setup_rndseed {
  if (defined($rndseed) && $rndseed ne int($rndseed)) {   if (defined($rndseed) && $rndseed ne int($rndseed)) {
    $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));     $rndseed=join(',',&Math::Random::random_seed_from_phrase($rndseed));
         }          }
  &Apache::lonxml::debug("Setting rndseed to $rndseed");          if ($Apache::lonhomework::history{'resource.CODE'}) {
  &Apache::run::run('$external::randomseed='.$rndseed.';',$safeeval);     $rndseed=&Apache::lonnet::rndseed();
    }
    if ($safeeval) {
       &Apache::lonxml::debug("Setting rndseed to $rndseed");
       &Apache::run::run('$external::randomseed="'.$rndseed.'";',$safeeval);
    }
     }      }
     return $rndseed;      return $rndseed;
 }  }
Line 180  sub setup_rndseed { Line 187  sub setup_rndseed {
 sub problem_edit_header {  sub problem_edit_header {
     return '<input type="hidden" name="submitted" value="edit" />      return '<input type="hidden" name="submitted" value="edit" />
        <input type="hidden" name="problemmode" value="'.&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_topic('Problem_Editor_XML_Index',
      'Problem Editing Help').'</td><td>'.
          &Apache::loncommon::help_open_faq(5).
          &Apache::loncommon::help_open_bug('Authoring').'</td></tr></table>'.
          '<table border="0"><tr><td bgcolor="#DDDDDD">';
 }  }
   
 sub problem_edit_footer {  sub problem_edit_footer {
Line 193  sub problem_edit_footer { Line 204  sub problem_edit_footer {
     <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />';      <input type="submit" name="submit" value="'.&mt('Submit Changes and View').'" />';
 }  }
   
   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" width="10" value="'.
        $rndseed.'"         $rndseed.'"
            onChange="javascript:document.lonhomework.changerandseed.click()" /></nobr>             onChange="javascript:document.lonhomework.changerandseed.click()" /></nobr>
              <input type="checkbox" name="showallfoils" ';               <input type="checkbox" name="showallfoils" ';
     if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }      if (defined($ENV{'form.showallfoils'})) { $result.='checked="on"'; }
     $result.= ' />'.&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').
    '<hr />';
       $result.="
   <nobr>
   Problem Status:
   <select name='problemstate'>
     <option name=''></option>
     ".&option('CLOSED'               ,'problemstate').&mt("Closed")."</option>
     ".&option('CAN_ANSWER'           ,'problemstate').&mt("Answerable")."</option>
     ".&option('CANNOT_ANSWER_tries'  ,'problemstate').&mt("Open with full tries")."</option>
     ".&option('CANNOT_ANSWER_correct','problemstate').&mt("Open and correct")."</option>
     ".&option('SHOW_ANSWER'          ,'problemstate').&mt("Show Answer")."</option>
   </select>
   </nobr>
   <nobr>
   Problem Type:
   <select name='problemtype'>
     <option name=''></option>
     ".&option('exam'   ,'problemtype').&mt("Exam Problem")."</option>
     ".&option('problem','problemtype').&mt("Homework problem")."</option>
     ".&option('survey' ,'problemtype').&mt("Survey Question")."</option>
   </select>
   </nobr>
   <nobr>
   Feedback Mode:
   <select name='problemstatus'>
     <option value=''></option>
     ".&option('yes','problemstatus').&mt("Show Feedback")."</option>
     ".&option('no', 'problemstatus').&mt("Don't Show Feedback")."</option>
   </select>
   </nobr>
   <input type='submit' name='changeproblemmode' value='".&mt("Change")."' />
   <hr />";
     my $numtoanalyze=$ENV{'form.numtoanalyze'};      my $numtoanalyze=$ENV{'form.numtoanalyze'};
     if (!$numtoanalyze) { $numtoanalyze=20; }      if (!$numtoanalyze) { $numtoanalyze=20; }
     $result.= '<input type="submit" name="problemmode" value='.      $result.= '<input type="submit" name="problemmode" value='.
Line 262  sub finalize_storage { Line 315  sub finalize_storage {
 }  }
   
 sub checkout_msg {  sub checkout_msg {
       my %lt=&Apache::lonlocal::texthash( 
    'resource'=>'The resource needs to be checked out',
    'id_expln'=>'As a resource gets checked out, a unique timestamped ID is given to it, and a permanent record is left in the system.',
                   'warning'=>'Checking out resources is subject to course policies, and may exclude future credit even if done erroneously.',
                   'checkout'=>'Check out Exam for Viewing',
    'checkout?'=>'Check out Exam?');
     return (<<ENDCHECKOUT);      return (<<ENDCHECKOUT);
 <h2>The resource needs to be checked out</h2>  <h2>$lt{'resource'}</h2>
 As a resource gets checked out, a unique timestamped ID is given to it, and a      <p>$lt{'id_expln'}</p>
 permanent record is left in the system.<p />  <font color="red">
 <font color=red>  <p>$lt{'warning'}</p>
 Checking out resources is subject to course policies, and may exclude future  
 credit even if done erroneously.<p />  
 </font>  </font>
 <form name="checkout" method="POST" action="$ENV{'request.uri'}">  <form name="checkout" method="POST" action="$ENV{'request.uri'}">
 <input type="hidden" name="doescheckout" value="yes" />  <input type="hidden" name="doescheckout" value="yes" />
 <input type="button" name="checkoutbutton" value="Check out Exam for Viewing" onClick="javascript:if (confirm('Check out Exam?')) { document.checkout.submit(); }" />  <input type="button" name="checkoutbutton" value="$lt{'checkout'}" onClick="javascript:if (confirm('$lt{'checkout?'}')) { document.checkout.submit(); }" />
   </form>
   ENDCHECKOUT
   }
   
   sub firstaccess_msg {
       my ($time)=@_;
       return (<<ENDCHECKOUT);
   <h2>This resource is open for a limited time, once you click the 'Show Resource' button below you have $time to complete all resources in this sequence.</h2>
   <form name="markaccess" method="POST" action="$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>  </form>
 ENDCHECKOUT  ENDCHECKOUT
 }  }
Line 283  sub init_problem_globals { Line 351  sub init_problem_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::lonnet::EXT('resource.0.problemstatus');   $Apache::lonhomework::problemstatus=&get_problem_status('0')
     } else {      } else {
  $Apache::inputtags::part='';   $Apache::inputtags::part='';
  @Apache::inputtags::partlist=();   @Apache::inputtags::partlist=();
Line 314  sub reset_problem_globals { Line 382  sub reset_problem_globals {
     undef($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 $problem_status=&Apache::lonnet::EXT("resource.$part.problemstatus");
       &Apache::lonxml::debug("problem status for $part is $problem_status");
       &Apache::lonxml::debug("env probstat is ".$ENV{'form.problemstatus'});
       if ($ENV{'request.state'} eq 'construct' &&
    defined($ENV{'form.problemstatus'})) {
    $problem_status=$ENV{'form.problemstatus'};
       }
       return $problem_status;
   }
   
 sub start_problem {  sub start_problem {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
   
Line 331  sub start_problem { Line 419  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 351  sub start_problem { Line 444  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 375  sub start_problem { Line 469  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 383  sub start_problem { Line 479  sub start_problem {
     $form_tag_start.='<input type="hidden" name="rndseed" value="'.      $form_tag_start.='<input type="hidden" name="rndseed" value="'.
  $rndseed.'" />'.   $rndseed.'" />'.
     '<input type="submit" name="resetdata"      '<input type="submit" name="resetdata"
                              value="New Problem Variation" />'.                               value="'.&mt('New Problem Variation').'" />'.
     '<input type="hidden" name="username"      '<input type="hidden" name="username"
                              value="'.$ENV{'form.username'}.'" /> <br />';                               value="'.$ENV{'form.username'}.'" /> <br />';
  }   }
Line 395  sub start_problem { Line 491  sub start_problem {
  &Apache::lonxml::debug("Got $status");   &Apache::lonxml::debug("Got $status");
  if (( $status eq 'CLOSED' ) ||   if (( $status eq 'CLOSED' ) ||
     ( $status eq 'UNCHECKEDOUT') ||      ( $status eq 'UNCHECKEDOUT') ||
       ( $status eq 'NOT_YET_VIEWED') ||
     ( $status eq 'BANNED') ||      ( $status eq 'BANNED') ||
     ( $status eq 'UNAVAILABLE')) {      ( $status eq 'UNAVAILABLE') ||
       ( $status eq 'INVALID_ACCESS')) {
     my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);      my $bodytext=&Apache::lonxml::get_all_text("/problem",$parser);
     if ( $target eq "web" ) {      if ( $target eq "web" ) {
  $result.= $head_tag_start.'</head>';   $result.= $head_tag_start.'</head>';
  my $msg=$body_tag_start;   my $msg=$body_tag_start;
  if ($status eq 'UNAVAILABLE') {   if ($status eq 'UNAVAILABLE') {
     $result.='<h1>Unable to determine if this resource is open due to network problems. Please try again later.</h1>';      $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
  } else {   } else {
     $result.='<h1>Not open to be viewed</h1>';      $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
  }   }
  if ($status eq 'CLOSED') {   if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
     $msg.='The problem '.$accessmsg;      $msg.='The problem '.$accessmsg;
  } elsif ($status eq 'UNCHECKEDOUT') {   } elsif ($status eq 'UNCHECKEDOUT') {
     $msg.=&checkout_msg;      $msg.=&checkout_msg;
    } elsif ($status eq 'NOT_YET_VIEWED') {
       $msg.=&firstaccess_msg($accessmsg);
  }   }
  $result.=$msg.'<br />';   $result.=$msg.'<br />';
     } elsif ($target eq 'tex') {      } elsif ($target eq 'tex') {
  $result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';   $result.='\begin{document}\noindent \vskip 1 mm  \begin{minipage}{\textwidth}\vskip 0 mm';
  if ($status eq 'UNAVAILABLE') {   if ($status eq 'UNAVAILABLE') {
     $result.='Unable to determine if this resource is open due to network problems. Please try again later.\vskip 0 mm ';      $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
  } else {   } else {
     $result.="Problem is not open to be viewed. It $accessmsg \\vskip 0 mm ";      $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
  }   }
     }      }
  } elsif ($target eq 'web') {   } elsif ($target eq 'web') {
     my $name= &get_resource_name($parstack,$safeeval);      my $name= &get_resource_name($parstack,$safeeval);
     if ($status eq 'CAN_ANSWER') {      $result.="$head_tag_start<title>$name</title></head>
  # create a page header and exit  
  $result.="$head_tag_start<title>$name</title></head>  
               $body_tag_start \n $form_tag_start".                $body_tag_start \n $form_tag_start".
   '<input type="hidden" name="submitted" value="yes" />';        '<input type="hidden" name="submitted" value="yes" />';
  if ($ENV{'request.state'} eq "construct") {      # create a page header and exit
     $result.= &problem_web_to_edit_header($ENV{'form.rndseed'});      if ($ENV{'request.state'} eq "construct") {
  }   $result.= &problem_web_to_edit_header($ENV{'form.rndseed'});
  # if we are viewing someone else preserve that info      }
  if (defined $ENV{'form.grade_symb'}) {      # if we are viewing someone else preserve that info
     foreach my $field ('symb','courseid','domain','username') {      if (defined $ENV{'form.grade_symb'}) {
  $result .= '<input type="hidden" name="grade_'.$field.   foreach my $field ('symb','courseid','domain','username') {
     '" value="'.$ENV{"form.grade_$field"}.'" />'."\n";      $result .= '<input type="hidden" name="grade_'.$field.
     }   '" value="'.$ENV{"form.grade_$field"}.'" />'."\n";
  }   }
     } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER'  
      || $status eq 'CLOSED' || $status eq 'UNAVALAILABLE') {  
  $result.=$head_tag_start.  
     "<title>$name</title></head>\n$body_tag_start\n";  
     }      }
  } elsif ($target eq 'tex') {   } elsif ($target eq 'tex') {
     my $startminipage = '';      my $startminipage = '';
Line 449  sub start_problem { Line 543  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 $duedate = &Apache::lonnet::EXT("resource.$id.duedate");       my $duedate = &Apache::lonnet::EXT("resource.$id.duedate"); 
Line 469  sub start_problem { Line 563  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,$safeeval));
     if ($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 495  sub start_problem { Line 589  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 513  sub end_problem { Line 609  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,$target);
Line 529  sub end_problem { Line 629  sub end_problem {
     (($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></body>\n";
     $result.="</form></body>\n";  
  }  
     } elsif ($status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER' ||  
      $status eq 'UNCHECKEDOUT' ) {  
  if ($target ne 'tex' &&  
     $ENV{'form.answer_output_mode'} ne 'tex') {  
     $result.="</body>\n";  
  }  
     }      }
     if ($target eq 'web') {      if ($target eq 'web') {
  $result.=&Apache::lonxml::xmlend();   $result.=&Apache::lonxml::xmlend();
Line 570  sub end_problem { Line 662  sub end_problem {
     @Apache::inputtags::response=();      @Apache::inputtags::response=();
     $result=&Apache::response::mandatory_part_meta;      $result=&Apache::response::mandatory_part_meta;
  }   }
    $result.=&Apache::response::meta_part_order();
     } elsif ($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();   $result = &problem_edit_footer();
Line 588  sub end_problem { Line 681  sub end_problem {
 sub start_library {  sub start_library {
     my ($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 724  sub start_languageblock { Line 820  sub start_languageblock {
  $result='';   $result='';
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result .=&Apache::edit::tag_start($target,$token);   $result .=&Apache::edit::tag_start($target,$token);
  $result .=&Apache::edit::text_arg('Include Language:','include',   $result .=&Apache::edit::text_arg(&mt('Include Language:'),'include',
   $token,40);    $token,40);
  $result .=&Apache::edit::text_arg('Exclude Language:','exclude',   $result .=&Apache::edit::text_arg(&mt('Exclude Language:'),'exclude',
   $token,40);    $token,40);
  $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();   $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {      } elsif ($target eq 'modified') {
Line 799  sub start_while { Line 895  sub start_while {
  }   }
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result .=&Apache::edit::tag_start($target,$token);   $result .=&Apache::edit::tag_start($target,$token);
  $result .=&Apache::edit::text_arg('Test Condition:','condition',   $result .=&Apache::edit::text_arg(&mt('Test Condition:'),'condition',
   $token,40);    $token,40);
  $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();   $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
     } elsif ($target eq 'modified') {      } elsif ($target eq 'modified') {
Line 831  sub end_while { Line 927  sub end_while {
     $return = &Apache::run::run($code,$safeeval);      $return = &Apache::run::run($code,$safeeval);
  }   }
  if ($error) {   if ($error) {
     &Apache::lonxml::error('<pre>Code ran too long. It ran for more than '.$Apache::lonnet::perlvar{'lonScriptTimeout'}.' seconds occured while running &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 903  sub shuffle { Line 999  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 932  sub start_part { Line 1029  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 $expression='$external::part='.$Apache::inputtags::part.';';      my $expression='$external::part=\''.$Apache::inputtags::part.'\';';
     &Apache::run::run($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 950  sub start_part { Line 1048  sub start_part {
     my $expression='$external::datestatus="'.$status.'";';      my $expression='$external::datestatus="'.$status.'";';
     $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';      $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$id.solved"}.'";';
     &Apache::run::run($expression,$safeeval);      &Apache::run::run($expression,$safeeval);
     if ( $status eq 'CLOSED' ) {      if ($ENV{'request.state'} eq 'construct') {
    &set_problem_state($Apache::inputtags::part); 
       }
       if (( $status eq 'CLOSED' ) ||
    ( $status eq 'UNCHECKEDOUT') ||
    ( $status eq 'NOT_YET_VIEWED') ||
    ( $status eq 'BANNED') ||
    ( $status eq 'UNAVAILABLE') ||
    ( $status eq 'INVALID_ACCESS')) {
  my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);   my $bodytext=&Apache::lonxml::get_all_text("/part",$parser);
  if ( $target eq "web" ) {   if ( $target eq "web" ) {
     $result="<br />Part is not open to be viewed. It $accessmsg<br />";      $result="<br />".&mt('Part is not open to be viewed. It')." $accessmsg<br />";
  } elsif ( $target eq 'tex' ) {   } elsif ( $target eq 'tex' ) {
     if (not $ENV{'form.problem_split'}=~/yes/) {      if (not $ENV{'form.problem_split'}=~/yes/) {
  $result="\\end{minipage}\\vskip 0 mm Part is not open to be viewed. It $accessmsg \\\\\\begin{minipage}{\\textwidth}";   $result="\\end{minipage}\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\\\begin{minipage}{\\textwidth}";
     } else {      } else {
  $result="\\vskip 0 mm Part is not open to be viewed. It $accessmsg \\\\";   $result="\\vskip 0 mm ".&mt('Part is not open to be viewed. It')." $accessmsg \\\\";
     }      }
  }   }
     } else {      } else {
Line 967  sub start_part { Line 1073  sub start_part {
  $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';   $result.='\noindent \end{minipage}\vskip 0 mm \noindent \begin{minipage}{\textwidth}\noindent';
     }      }
     my $weight = &Apache::lonnet::EXT("resource.$id.weight");      my $weight = &Apache::lonnet::EXT("resource.$id.weight");
     if ($Apache::lonhomework::type eq 'exam') { $result .= '\fbox{\textit{'.$weight.' pt}}';}      my $allkeys=&Apache::lonnet::metadata($ENV{'request.uri'},'packages');
       my @allkeys = split /,/,$allkeys;
       my $allow_print_points = 0;
       foreach my $partial_key (@allkeys) {
    if ($partial_key=~m/^part_(.*)$/) {
       if ($1 ne '0') {$allow_print_points=1;}
    }
       }
       if (($Apache::lonhomework::type eq 'exam') && ($allow_print_points)) { $result .= '\fbox{\textit{'.$weight.' pt}}';}
    } elsif ($target eq 'web') {
       $result.='<a name="'.&Apache::lonnet::escape($Apache::inputtags::part).'" />';
  }   }
     }      }
  }   }
Line 975  sub start_part { Line 1091  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 995  sub end_part { Line 1115  sub end_part {
     my $result='';      my $result='';
     if ( $target eq 'meta' ) {      if ( $target eq 'meta' ) {
  $result='';   $result='';
     } elsif ( $target eq 'grade' && $status eq 'CAN_ANSWER' && !$hidden) {      } elsif ($target eq 'grade') {
  $result=&Apache::inputtags::grade;   if (($status eq 'CAN_ANSWER' || $Apache::lonhomework::scantronmode) &&
       !$hidden) {
       $result=&Apache::inputtags::grade;
    } else {
       # move any submission data to .hidden
       &Apache::inputtags::hidealldata($Apache::inputtags::part);
    }
     } elsif (($target eq 'web' || $target eq 'tex') && !$hidden ) {      } elsif (($target eq 'web' || $target eq 'tex') && !$hidden ) {
  my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,   my $gradestatus=&Apache::inputtags::gradestatus($Apache::inputtags::part,
  $target);   $target);
  if ($Apache::lonhomework::type eq 'exam') {$gradestatus='';}   if ($Apache::lonhomework::type eq 'exam' && $target eq 'tex') {
       $gradestatus='';
    }
  $result=$gradestatus;   $result=$gradestatus;
     } elsif ($target eq 'edit') {      } elsif ($target eq 'edit') {
  $result=&Apache::edit::end_table();   $result=&Apache::edit::end_table();
Line 1013  sub end_part { Line 1141  sub end_part {
 sub start_preduedate {  sub start_preduedate {
     my ($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 1028  sub end_preduedate { Line 1157  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 1048  sub start_notsolved { Line 1177  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",$parser);
  }   }
Line 1065  sub start_solved { Line 1195  sub start_solved {
     if ($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 1076  sub end_solved { Line 1207  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 1090  sub end_startouttext { Line 1263  sub end_startouttext {
   
     if ($target eq 'edit') {      if ($target eq 'edit') {
  $text=&Apache::lonxml::get_all_text("endouttext",$parser);   $text=&Apache::lonxml::get_all_text("endouttext",$parser);
  $result.=&Apache::edit::start_table($token)."<tr><td>Text Block</td>   $result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>
 <td>Delete:".  <td>".&mt('Delete:').
                  &Apache::edit::deletelist($target,$token)                   &Apache::edit::deletelist($target,$token)
  ."</td>   ."</td>
 <td>".  <td>".
Line 1102  sub end_startouttext { Line 1275  sub end_startouttext {
  &Apache::edit::editfield($token->[1],$text,"",80,4);   &Apache::edit::editfield($token->[1],$text,"",80,4);
     }      }
     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 1147  sub start_simpleeditbutton { Line 1319  sub start_simpleeditbutton {
     my $result='';      my $result='';
     if (($target eq 'web') &&      if (($target eq 'web') &&
         (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {          (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'}))) {
         my $url=$ENV{'REQUEST_URI'};          my $url=$ENV{'request.noversionuri'};
         $url=~s/\?.*$//;          $url=~s/\?.*$//;
  $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.   $result='<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
                 '<a href="'.$url.'/smpedit">Simple Problem Editor</a> - Note: it can take up to 10 minutes for changes to take effect for all users.'.                  '<a href="'.$url.'/smpedit">'.&mt('Simple Problem Editor').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').
 &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';  &Apache::loncommon::help_open_topic('Caching').'</td></tr></table><br />';
     }      }
     return $result;      return $result;
Removed from v.1.210  
changed lines
  Added in v.1.252

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