Diff for /loncom/homework/lonhomework.pm between versions 1.271 and 1.283

version 1.271, 2007/08/24 21:13:53 version 1.283, 2007/11/10 01:38:21
Line 49  use Apache::matchresponse(); Line 49  use Apache::matchresponse();
 use Apache::chemresponse();  use Apache::chemresponse();
 use Apache::drawimage();  use Apache::drawimage();
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use HTML::Entities();  
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonlocal;  use Apache::lonlocal;
 use Time::HiRes qw( gettimeofday tv_interval );  use Time::HiRes qw( gettimeofday tv_interval );
 use Apache::lonnet();  use HTML::Entities();
   use File::Copy();
   
 # FIXME - improve commenting  # FIXME - improve commenting
   
Line 63  BEGIN { Line 63  BEGIN {
 }  }
   
   
   =pod
   
   =item set_bubble_lines()
   
   Called at analysis time to set the bubble lines
   hash for the problem.. This should be called in the
   end_problemtype tag in analysis mode.
   
   We fetch the hash of part id counters from lonxml
       and push them into analyze:{part_id.bubble_lines}.
   
   =cut
   
   sub set_bubble_lines {
       my %bubble_counters = &Apache::lonxml::get_bubble_line_hash();
   
       foreach my $key (keys(%bubble_counters)) {
    $Apache::lonhomework::analyze{"$key.bubble_lines"} =
       $bubble_counters{"$key"};
       }
   }
   
 #  #
 # Decides what targets to render for.  # Decides what targets to render for.
 # Implicit inputs:  # Implicit inputs:
Line 127  sub get_target { Line 149  sub get_target {
     } elsif ( $env{'form.problemmode'} eq &mt('Edit') ||      } elsif ( $env{'form.problemmode'} eq &mt('Edit') ||
       $env{'form.problemmode'} eq 'Edit') {        $env{'form.problemmode'} eq 'Edit') {
  if ( $env{'form.submitted'} eq 'edit' ) {   if ( $env{'form.submitted'} eq 'edit' ) {
     if ( $env{'form.submit'} eq &mt('Submit Changes and View') ) {      if ( $env{'form.submit'} eq &mt('Save and View') ) {
  return ('modified','web','answer');   return ('modified','web','answer');
     } else {      } else {
  return ('modified','no_output_web','edit');   return ('modified','no_output_web','edit');
Line 195  sub check_ip_acc { Line 217  sub check_ip_acc {
  return 1;   return 1;
     }      }
     my $allowed=0;      my $allowed=0;
     my $ip=$ENV{'REMOTE_ADDR'};      my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'};
   
     my $name;      my $name;
     foreach my $pattern (split(',',$acc)) {      foreach my $pattern (split(',',$acc)) {
  $pattern =~ s/^\s*//;   $pattern =~ s/^\s*//;
Line 375  sub check_access { Line 398  sub check_access {
     if ($env{'request.state'} eq "construct") {      if ($env{'request.state'} eq "construct") {
  if ($env{'form.problemstate'}) {   if ($env{'form.problemstate'}) {
     if ($env{'form.problemstate'} =~ /^CANNOT_ANSWER/) {      if ($env{'form.problemstate'} =~ /^CANNOT_ANSWER/) {
  if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct' &&   if ( ! ($env{'form.problemstate'} eq 'CANNOT_ANSWER_correct' 
  lc($Apache::lonhomework::problemstatus) eq 'no')) {   && &hide_problem_status())) {
     return ('CANNOT_ANSWER',      return ('CANNOT_ANSWER',
     &mt('is in this state due to author settings.'));      &mt('is in this state due to author settings.'));
  }   }
Line 435  sub check_access { Line 458  sub check_access {
  $date = &mt("an indeterminate date"); $passed = 0;   $date = &mt("an indeterminate date"); $passed = 0;
     } else {      } else {
  if (time < $date) { $passed = 0; } else { $passed = 1; }   if (time < $date) { $passed = 0; } else { $passed = 1; }
  $date = localtime $date;   $date = &Apache::lonlocal::locallocaltime($date);
     }      }
     if (!$passed) { $type=$temp; last; }      if (!$passed) { $type=$temp; last; }
  }   }
Line 466  sub check_access { Line 489  sub check_access {
  # if (correct and show prob status) or excused then CANNOT_ANSWER   # if (correct and show prob status) or excused then CANNOT_ANSWER
  if(($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/   if(($Apache::lonhomework::history{"resource.$id.solved"}=~/^correct/
     &&      &&
     lc($Apache::lonhomework::problemstatus) ne 'no')      &show_problem_status())
    ||     ||
    $Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) {     $Apache::lonhomework::history{"resource.$id.solved"}=~/^excused/) {
     $status = 'CANNOT_ANSWER';      $status = 'CANNOT_ANSWER';
Line 520  sub due_date { Line 543  sub due_date {
  &Apache::lonxml::debug("looking for first_access $first_access");   &Apache::lonxml::debug("looking for first_access $first_access");
  if (defined($first_access)) {   if (defined($first_access)) {
     $interval = $first_access+$interval;      $interval = $first_access+$interval;
     $date = ($interval < $due_date)? $interval : $due_date;      $date = (!$due_date || $interval < $due_date) ? $interval
                                                             : $due_date;
  } else {   } else {
     $date = $due_date;      $date = $due_date;
  }   }
Line 723  sub analyze_header { Line 747  sub analyze_header {
             <form name="lonhomework" method="POST" action="'.              <form name="lonhomework" method="POST" action="'.
     &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.      &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.
     &Apache::structuretags::remember_problem_state().'      &Apache::structuretags::remember_problem_state().'
               <div class="LC_edit_problem_analyze_header">
             <input type="submit" name="problemmode" value="'.&mt("EditXML").'" />              <input type="submit" name="problemmode" value="'.&mt("EditXML").'" />
             <input type="submit" name="problemmode" value="'.&mt('Edit').'" />              <input type="submit" name="problemmode" value="'.&mt('Edit').'" />
             <hr />              <hr class="LC_edit_problem_divide" />
   
             <input type="submit" name="submit" value="'.&mt("View").'" />              <input type="submit" name="submit" value="'.&mt("View").'" />
             <hr />              <hr class="LC_edit_problem_divide" />
               </div>
             </form>';              </form>';
     &Apache::lonxml::add_messages(\$result);      &Apache::lonxml::add_messages(\$result);
     $request->print($result);      $request->print($result);
Line 787  sub analyze { Line 814  sub analyze {
  $i++;   $i++;
     }      }
  }   }
    if (!keys(%{ $analyze{$part.'.answer'} })) {
       my $answer_part = 
    ['<span class="LC_error">'.&mt('Error').'</span>'];
       $seedexample{join("\0",$part,0,@{$answer_part})}=
    $thisseed;
       push( @{ $overall{$part.'.answer'}[0] },
     $answer_part);
    }
     }      }
  }   }
     }      }
     &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state,      &Apache::lonhtmlcommon::Update_PrgWin($request,\%prog_state,
   &mt('Analyzing Results'));    &mt('Analyzing Results'));
     $request->print('<hr />'.&mt('List of possible answers').': ');      $request->print('<hr class="LC_edit_problem_divide" />'.&mt('List of possible answers').': ');
     foreach my $part (sort(keys(%allparts))) {      foreach my $part (sort(keys(%allparts))) {
  if (defined(@{ $overall{$part.'.answer'} })) {   if (defined(@{ $overall{$part.'.answer'} })) {
     for (my $i=0;$i<scalar(@{ $overall{$part.'.answer'} });$i++) {      for (my $i=0;$i<scalar(@{ $overall{$part.'.answer'} });$i++) {
Line 830  sub analyze { Line 865  sub analyze {
     return $result;      return $result;
 }  }
   
   {
       my $show_problem_status;
       sub reset_show_problem_status {
    undef($show_problem_status);
       }
   
       sub set_show_problem_status {
    my ($new_status) = @_;
    $show_problem_status = lc($new_status);
       }
   
       sub hide_problem_status {
    return ($show_problem_status eq 'no'
    || $show_problem_status eq 'no_feedback_ever');
       }
   
       sub show_problem_status {
    return ($show_problem_status eq 'yes'
    || $show_problem_status eq '');
       }
       
       sub show_some_problem_status {
    return ($show_problem_status eq 'no');
       }
   
       sub show_no_problem_status {
    return ($show_problem_status eq 'no_feedback_ever');
       }
   }
   
 sub editxmlmode {  sub editxmlmode {
     my ($request,$file) = @_;      my ($request,$file) = @_;
     my $result;      my $result;
Line 845  sub editxmlmode { Line 910  sub editxmlmode {
  if (!$error) { $problem=&Apache::lonnet::getfile($file); }   if (!$error) { $problem=&Apache::lonnet::getfile($file); }
     }      }
     &Apache::lonhomework::showhashsubset(\%env,'^form');      &Apache::lonhomework::showhashsubset(\%env,'^form');
     if ( $env{'form.submit'} eq &mt('Submit Changes and View') ) {      if ( $env{'form.submit'} eq &mt('Save and View') ) {
  &Apache::lonhomework::showhashsubset(\%env,'^form');   &Apache::lonhomework::showhashsubset(\%env,'^form');
  $env{'form.problemmode'}='View';   $env{'form.problemmode'}='View';
  &renderpage($request,$file);   &renderpage($request,$file);
Line 875  sub editxmlmode { Line 940  sub editxmlmode {
   
  $result.=$start_page.   $result.=$start_page.
     &renderpage($request,$file,['no_output_web'],1).      &renderpage($request,$file,['no_output_web'],1).
     &Apache::lonxml::message_location().'              '<form '.&Apache::edit::form_change_detection().' name="lonhomework" method="POST" action="'.
             <form '.&Apache::edit::form_change_detection().' name="lonhomework" method="POST" action="'.  
     &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.      &HTML::Entities::encode($env{'request.uri'},'<>&"').'">'.
     &Apache::structuretags::remember_problem_state().'      &Apache::structuretags::remember_problem_state().'
             <input type="hidden" name="problemmode" value="'.&mt('EditXML').'" />              <div class="LC_edit_problem_editxml_header">
             <input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />                <table class="LC_edit_problem_header_title"><tr><td>
             <input type="submit" '.&Apache::edit::submit_ask_anyway().'name="problemmode" accesskey="e" value="'.&mt('Edit').'" />                 '.&mt('Problem Editing').&Apache::loncommon::help_open_topic('Problem_Editor_XML_Index').'
             <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />                  </td><td align="right">
             <hr />                    '.&Apache::loncommon::helpLatexCheatsheet().'
             <input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes').'" />                  </td></tr>
             <input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" />                </table>
             <hr />                <div class="LC_edit_problem_discards">
             ' . $xml_help . '                  <input type="hidden" name="problemmode" value="'.&mt('EditXML').'" />
                   <input type="submit" name="problemmode" accesskey="d" value="'.&mt('Discard Edits and View').'" />
                   <input type="submit" '.&Apache::edit::submit_ask_anyway().'name="problemmode" accesskey="e" value="'.&mt('Edit').'" />
                   <input type="submit" name="Undo" accesskey="u" value="'.&mt('undo').'" />
                 </div>
                 <div class="LC_edit_problem_saves">
                   <input type="submit" name="submit" accesskey="s" value="'.&mt('Save').'" />
                   <input type="submit" name="submit" accesskey="v" value="'.&mt('Save and View').'" />
                 </div>
                 <hr class="LC_edit_problem_divide" />
         '.&Apache::lonxml::message_location().'
               </div>
               '  . '
             <textarea '.&Apache::edit::element_change_detection().              <textarea '.&Apache::edit::element_change_detection().
               ' rows="'.$rows.'" cols="'.$cols.'" style="width:100%" '.                ' rows="'.$rows.'" cols="'.$cols.'" style="width:100%" '.
       ' name="editxmltext" id="LC_editxmltext">'.        ' name="editxmltext" id="LC_editxmltext">'.
       &HTML::Entities::encode($problem,'<>&"').'</textarea>        &HTML::Entities::encode($problem,'<>&"').'</textarea>
             <div id="LC_aftertextarea">              <div id="LC_aftertextarea">
                 <input type="submit" name="submit" accesskey="s" value="'.&mt('Submit Changes').'" />  
                 <input type="submit" name="submit" accesskey="v" value="'.&mt('Submit Changes and View').'" />  
             </div>              </div>
             </form>'.&Apache::loncommon::end_page();              </form>'.&Apache::loncommon::end_page();
  &Apache::lonxml::add_messages(\$result);   &Apache::lonxml::add_messages(\$result);
Line 950  sub renderpage { Line 1024  sub renderpage {
  &Apache::lonxml::debug("Should be parsing now");   &Apache::lonxml::debug("Should be parsing now");
  $result .= &Apache::lonxml::xmlparse($request, $target, $problem,   $result .= &Apache::lonxml::xmlparse($request, $target, $problem,
      &setup_vars($target),%mystyle);       &setup_vars($target),%mystyle);
  undef($Apache::lonhomework::parsing_a_problem);   &finished_parsing();
  if (!$output) { $result = ''; }   if (!$output) { $result = ''; }
  #$request->print("Result follows:");   #$request->print("Result follows:");
  if ($target eq 'modified') {   if ($target eq 'modified') {
Line 981  sub renderpage { Line 1055  sub renderpage {
     }      }
 }  }
   
 # with no arg it returns a HTML <option> list of the template titles  sub finished_parsing {
 # with one arg it returns the filename associated with the arg passed      undef($Apache::lonhomework::parsing_a_problem);
       undef($Apache::lonhomework::parsing_a_task);
   }
   
 sub get_template_list {  sub get_template_list {
     my ($namewanted,$extension) = @_;      my ($extension) = @_;
     my $result;      my $result;
     my @allnames;      my @allnames;
     &Apache::lonxml::debug("Looking for :$extension:");      &Apache::lonxml::debug("Looking for :$extension:");
     foreach my $file (</home/httpd/html/res/adm/includes/templates/*.$extension>) {      my $glob_extension  = $extension;
  &Apache::lonxml::debug("Looking at $file");      if ($extension eq 'survey' || $extension eq 'exam') {
  my $name=&Apache::lonnet::metadata($file,'title');   $glob_extension = 'problem';
  &Apache::lonxml::debug("Got a name $name");      }
  if ($namewanted && ($name eq $namewanted)) {      my @files = glob($Apache::lonnet::perlvar{'lonIncludes'}.
     $result=$file;       '/templates/*.'.$glob_extension);
     last;      @files = map {[$_,&mt(&Apache::lonnet::metadata($_, 'title'))]} (@files);
  } else {      @files = sort {$a->[1] cmp $b->[1]} (@files);
     if ($name) { push (@allnames, $name); }      foreach my $file (@files) {
  }   next if ($file->[1] !~ /\S/);
     }   $result .=
     if (@allnames && !$result) {      '<label><input type="radio" name="template" value="'.$file->[0].'" />'.
  $result="<option>".&mt("Select a")." $extension ".&mt('template')."</option>\n<option>".      $file->[1].'</label><br />';
     join('</option><option>',sort(@allnames)).'</option>';  
     }      }
     return $result;      return $result;
 }  }
   
 sub newproblem {  sub newproblem {
     my ($request) = @_;      my ($request) = @_;
     my $extension=$request->uri;  
     $extension=~s:^.*\.([\w]+)$:$1:;      if ($env{'form.template'}) {
     &Apache::lonxml::debug("Looking for :$extension:");   my $file = $env{'form.template'};
     my $templatelist=&get_template_list('',$extension);  
     if ($env{'form.template'} &&  
  $env{'form.template'} ne "Select a $extension template") {  
  use File::Copy;  
  my $file = &get_template_list($env{'form.template'},$extension);  
  my $dest = &Apache::lonnet::filelocation("",$request->uri);   my $dest = &Apache::lonnet::filelocation("",$request->uri);
  copy($file,$dest);   &File::Copy::copy($file,$dest);
  &renderpage($request,$dest);   &renderpage($request,$dest);
     } elsif($env{'form.newfile'} && !$templatelist) {   return;
  # I don't like hard-coded filenames but for now, this will work.      }
  use File::Copy;  
       my ($extension) = ($request->uri =~ m/\.(\w+)$/);
       &Apache::lonxml::debug("Looking for :$extension:");
       my $templatelist=&get_template_list($extension);
       if ($env{'form.newfile'} && !$templatelist) {
    # no templates found
  my $templatefilename =   my $templatefilename =
     $request->dir_config('lonIncludes').'/templates/blank.'.$extension;      $request->dir_config('lonIncludes').'/templates/blank.'.$extension;
  &Apache::lonxml::debug("$templatefilename");   &Apache::lonxml::debug("$templatefilename");
  my $dest = &Apache::lonnet::filelocation("",$request->uri);   my $dest = &Apache::lonnet::filelocation("",$request->uri);
  copy($templatefilename,$dest);   &File::Copy::copy($templatefilename,$dest);
  &renderpage($request,$dest);   &renderpage($request,$dest);
     } else {      } else {
  my $url=&HTML::Entities::encode($request->uri,'<>&"');   my $url=&HTML::Entities::encode($request->uri,'<>&"');
Line 1034  sub newproblem { Line 1110  sub newproblem {
  $shownurl=~s-^/~-/priv/-;   $shownurl=~s-^/~-/priv/-;
  my $dest = &Apache::lonnet::filelocation("",$request->uri);   my $dest = &Apache::lonnet::filelocation("",$request->uri);
  my $errormsg;   my $errormsg;
  if ($env{'form.newfile'}) {  
     $errormsg='<p><span class="LC_error">'.&mt('You did not select a template.').'</span></p>'."\n";  
  }  
  my $instructions;   my $instructions;
  my $start_page =    my $start_page = 
     &Apache::loncommon::start_page("Create New $extension");      &Apache::loncommon::start_page("Create New $extension");
Line 1049  $errormsg Line 1122  $errormsg
 <p>  <p>
 <b>  <b>
 ".&mt("To create a new $extension, select a template from the".  ".&mt("To create a new $extension, select a template from the".
       "pull-down menu below. Then click on the \"Create $extension\" button.")."</b>        " list below. Then click on the \"Create $extension\" button.")."</b>
 </p><form action=\"$url\" method=\"POST\">");  </p><form action=\"$url\" method=\"POST\">");
   
  if (defined($templatelist)) {   if (defined($templatelist)) {
     $request->print("<select name=\"template\">$templatelist</select>");      $request->print($templatelist);
  }   }
  $request->print("<br /><input type=\"submit\" name=\"newfile\" value=\"".&mt('Create')." $extension\" />");   $request->print('<br /><input type="submit" name="newfile" value="'.
    &mt("Create $extension").'" />');
  $request->print("</form></p>".&Apache::loncommon::end_page());   $request->print("</form></p>".&Apache::loncommon::end_page());
     }      }
     return '';      return;
 }  }
   
 sub update_construct_style {  sub update_construct_style {

Removed from v.1.271  
changed lines
  Added in v.1.283


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