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Diff for /loncom/interface/lonprintout.pm between versions 1.517 and 1.524

version 1.517, 2008/03/10 08:54:19 version 1.524, 2008/03/28 14:52:52
Line 38  use Apache::edit; Line 38  use Apache::edit;
 use Apache::File();  use Apache::File();
 use Apache::lonnavmaps;  use Apache::lonnavmaps;
 use Apache::admannotations;  use Apache::admannotations;
   use Apache::lonenc;
 use HTTP::Response;  use HTTP::Response;
   
 use LONCAPA::map();  use LONCAPA::map();
Line 115  sub annotate { Line 116  sub annotate {
 #                      the number of times requested by the caller.  #                      the number of times requested by the caller.
 #                      If we still have a proble, no text is appended to the  #                      If we still have a proble, no text is appended to the
 #                      output and we set some global variables.  #                      output and we set some global variables.
 #                      to indicate to the caller an SSI error occured.    #                      to indicate to the caller an SSI error occurred.  
 #                      All of this is supposed to deal with the issues described  #                      All of this is supposed to deal with the issues described
 #                      in LonCAPA BZ 5631 see:  #                      in LonCAPA BZ 5631 see:
 #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631  #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
Line 131  sub annotate { Line 132  sub annotate {
 #   On success, returns the rendered resource identified by the resource parameter.  #   On success, returns the rendered resource identified by the resource parameter.
 # Side Effects:  # Side Effects:
 #   The following global variables can be set:  #   The following global variables can be set:
 #    ssi_error                - If an unrecoverable error occured this becomes true.  #    ssi_error                - If an unrecoverable error occurred this becomes true.
 #                               It is up to the caller to initialize this to false  #                               It is up to the caller to initialize this to false
 #                               if desired.  #                               if desired.
 #    ssi_last_error_resource  - If an unrecoverable error occured, this is the value  #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
 #                               of the resource that could not be rendered by the ssi  #                               of the resource that could not be rendered by the ssi
 #                               call.  #                               call.
 #    ssi_last_error           - The error string fetched from the ssi response  #    ssi_last_error           - The error string fetched from the ssi response
Line 149  sub ssi_with_retries { Line 150  sub ssi_with_retries {
  $ssi_error               = 1;   $ssi_error               = 1;
  $ssi_last_error_resource = $resource;   $ssi_last_error_resource = $resource;
  $ssi_last_error          = $response->code . " " . $response->message;   $ssi_last_error          = $response->code . " " . $response->message;
   
    &Apache::lonnet::logthis("Error in SSI resource: $resource Error: $ssi_last_error");
       }
   
       return $content;
   
   }
   
   sub get_student_view_with_retries {
       my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
   
       my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
       if (!$response->is_success) {
           $ssi_error               = 1;
           $ssi_last_error_resource = $curresline;
           $ssi_last_error          = $response->code . " " . $response->message;
   
           &Apache::lonnet::logthis("Error in SSI (student view) resource: $curresline Error: $ssi_last_error");
     }      }
   
     return $content;      return $content;
Line 1471  ENDPART Line 1490  ENDPART
     }      }
           
     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {      if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
  &Apache::lonnet::appenv('construct.style' =>   &Apache::lonnet::appenv({'construct.style' =>
  $helper->{'VARS'}->{'style_file'});   $helper->{'VARS'}->{'style_file'}});
     } elsif ($env{'construct.style'}) {      } elsif ($env{'construct.style'}) {
  &Apache::lonnet::delenv('construct\\.style');   &Apache::lonnet::delenv('construct\\.style');
     }      }
Line 1515  ENDPART Line 1534  ENDPART
     $rndseed=$helper->{'VARS'}->{'curseed'};      $rndseed=$helper->{'VARS'}->{'curseed'};
  }   }
  $form{'rndseed'}=$rndseed;   $form{'rndseed'}=$rndseed;
  &Apache::lonnet::appenv(%moreenv);   &Apache::lonnet::appenv(\%moreenv);
   
  &Apache::lonxml::clear_problem_counter();   &Apache::lonxml::clear_problem_counter();
   
Line 1663  ENDPART Line 1682  ENDPART
  my $pbreakresources = keys %page_breaks;   my $pbreakresources = keys %page_breaks;
  for (my $i=0;$i<=$#master_seq;$i++) {   for (my $i=0;$i<=$#master_seq;$i++) {
   
       &Apache::lonenc::reset_enc();
   
   
     # Note due to document structure, not allowed to put \newpage      # Note due to document structure, not allowed to put \newpage
     # prior to the first resource      # prior to the first resource
   
Line 1671  ENDPART Line 1693  ENDPART
     $result.="\\newpage\n";      $result.="\\newpage\n";
  }   }
     }      }
     my ($sequence,undef,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);      my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
     $urlp=&Apache::lonnet::clutter($urlp);      $urlp=&Apache::lonnet::clutter($urlp);
     $form{'symb'}=$master_seq[$i];      $form{'symb'}=$master_seq[$i];
   
   
     my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem      my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
   
     if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}      if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
     if ($i==0) {$prevassignment=$assignment;}      if ($i==0) {$prevassignment=$assignment;}
     my $texversion='';      my $texversion='';
Line 1982  ENDPART Line 2006  ENDPART
     $rndseed=$helper->{'VARS'}->{'curseed'};      $rndseed=$helper->{'VARS'}->{'curseed'};
  }   }
  for (my $i=0;$i<=$#list_of_files;$i++) {   for (my $i=0;$i<=$#list_of_files;$i++) {
   
       &Apache::lonenc::reset_enc();
   
     my $urlp = $list_of_files[$i];      my $urlp = $list_of_files[$i];
     $urlp=~s|//|/|;      $urlp=~s|//|/|;
     if ($urlp=~/\//) {      if ($urlp=~/\//) {
Line 2081  ENDPART Line 2108  ENDPART
     #      #
   
     if ($ssi_error) {      if ($ssi_error) {
   
           my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
  my $end_page = &Apache::loncommon::end_page();   my $end_page = &Apache::loncommon::end_page();
  $r->print(<<ERROR_END);   $r->print('
 <br />  <br />
 <h2>An unrecoverable error occured:</h2>  <h2>'.&mt('An unrecoverable network error occurred:').'</h2>
 <p>  <p>
   I was not able to render one of the print resources ($ssi_last_error_resource)     '.&mt('One of the resources ([_1]) you chose to print could not be rendered due to an unrecoverable error when communicating with a server:',$ssi_last_error_resource).' 
 due to an unrecoverable error communicating with a server:  
 <br />  <br />
 $ssi_last_error;  '.$ssi_last_error.'
 <br />  
 </p>  
 <p>  
 I recommend that you try printing again later as this may mean the server was just   
 temporarily unavailable, or is down for maintenance.  If this error persists, then  
 please contact your LonCAPA support folks for assistance and diagnosis.   
 <br />  
 <br />  
 We apologize for the inconvenience.  
 </p>  </p>
 $end_page  <p>'.
 ERROR_END  &mt('It is recommended that you try printing again later, as this error may mean the server was just temporarily unavailable, or is down for maintenance.').'<br />'.
   &mt('If the error persists, please contact the [_1] for assistance.',$helpurl).
   '</p><p>'.
   &mt('We apologize for the inconvenience.').
   '</p>'.
   $end_page);
     } else {      } else {
   
 #-- writing .tex file in prtspool   #-- writing .tex file in prtspool 
Line 2166  ERROR_END Line 2190  ERROR_END
  #  yet.   #  yet.
  my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};   my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};   my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
  &Apache::lonnet::appenv('cgi.'.$identifier.'.file'   => $filename,   &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
  'cgi.'.$identifier.'.layout'  => $laystyle,   'cgi.'.$identifier.'.layout'  => $laystyle,
  'cgi.'.$identifier.'.numcol'  => $numberofcolumns,   'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
  'cgi.'.$identifier.'.paper'  => $papersize,   'cgi.'.$identifier.'.paper'  => $papersize,
Line 2176  ERROR_END Line 2200  ERROR_END
  'cgi.'.$identifier.'.role' => $perm{'pav'},   'cgi.'.$identifier.'.role' => $perm{'pav'},
  'cgi.'.$identifier.'.numberoffiles' => $#print_array,   'cgi.'.$identifier.'.numberoffiles' => $#print_array,
  'cgi.'.$identifier.'.studentnames' => $student_names,   'cgi.'.$identifier.'.studentnames' => $student_names,
  'cgi.'.$identifier.'.backref' => $URLback,);   'cgi.'.$identifier.'.backref' => $URLback,});
  &Apache::lonnet::appenv("cgi.$identifier.user"    => $env{'user.name'},   &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
  "cgi.$identifier.domain"  => $env{'user.domain'},   "cgi.$identifier.domain"  => $env{'user.domain'},
  "cgi.$identifier.courseid" => $cnum,    "cgi.$identifier.courseid" => $cnum, 
  "cgi.$identifier.coursedom" => $cdom,    "cgi.$identifier.coursedom" => $cdom, 
  "cgi.$identifier.resources" => $resources_printed);   "cgi.$identifier.resources" => $resources_printed});
   
  my $end_page = &Apache::loncommon::end_page();   my $end_page = &Apache::loncommon::end_page();
  $r->print(<<FINALEND);   $r->print(<<FINALEND);
Line 2263  sub print_resources { Line 2287  sub print_resources {
   
     &Apache::lonxml::remember_problem_counter();          &Apache::lonxml::remember_problem_counter();    
   
     my $rendered = &Apache::loncommon::get_student_view($curresline,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);      my $rendered = &Apache::loncommon::get_student_view_with_retries($curresline,3,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
   
     if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||      if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
        ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {         ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
Line 2484  sub printHelper { Line 2508  sub printHelper {
     $helper->declareVar("showallfoils");      $helper->declareVar("showallfoils");
     $helper->declareVar("STUDENTS");      $helper->declareVar("STUDENTS");
   
   
      
   
   
     #  The page breaks can get loaded initially from the course environment:      #  The page breaks can get loaded initially from the course environment:
     # But we only do this in the initial state so that they are allowed to change.      # But we only do this in the initial state so that they are allowed to change.
     #      #
Line 3206  RNDSEED Line 3234  RNDSEED
   
   
     addMessage("<tr><td>Problem Type:</td><td>");      addMessage("<tr><td>Problem Type:</td><td>");
     $paramHash = &Apache::lonhelper::getParamHash();  
     $paramHash->{'variable'} = 'probstatus'; # Already declared:  
     #      #
     # Initial value from construction space:      # Initial value from construction space:
     #      #
     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {      if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
  $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value   $helper->{VARS}->{'probstatus'} = $env{'form.problemtype'}; # initial value
     }      }
     $paramHash->{CHOICES} = [      $xmlfrag = << "PROBTYPE";
      ['Homework problem',     'problem'],   <dropdown variable="probstatus" multichoice="0" allowempty="0">
      ['Exam Problem', 'exam'],     <defaultvalue>
      ['Survey question',      'survey']];        return "$helper->{VARS}->{'probstatus'}";
     Apache::lonhelper::dropdown->new();                     </defaultvalue>
      <choice computer="problem">Homework Problem</choice>
      <choice computer="exam">Exam Problem</choice>
      <choice computer="survey">Survey question</choice>
    </dropdown>
   PROBTYPE
               &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
       
     addMessage("</td></tr>");       addMessage("</td></tr>"); 
   
  }    } 
Removed from v.1.517  
changed lines
  Added in v.1.524

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