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Diff for /loncom/xml/lonxml.pm between versions 1.438 and 1.476

version 1.438, 2007/02/18 02:07:11 version 1.476, 2008/04/28 14:38:45
Line 42  package Apache::lonxml; Line 42  package Apache::lonxml;
 use vars   use vars 
 qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount);  qw(@pwd @outputstack $redirection $import @extlinks $metamode $evaluate %insertlist @namespace $errorcount $warningcount);
 use strict;  use strict;
   use LONCAPA;
 use HTML::LCParser();  use HTML::LCParser();
 use HTML::TreeBuilder();  use HTML::TreeBuilder();
 use HTML::Entities();  use HTML::Entities();
Line 91  use Apache::loncacc(); Line 92  use Apache::loncacc();
 use Apache::lonmaxima();  use Apache::lonmaxima();
 use Apache::lonlocal;  use Apache::lonlocal;
   
 #==================================================   Main subroutine: xmlparse    #====================================   Main subroutine: xmlparse  
   
 #debugging control, to turn on debugging modify the correct handler  #debugging control, to turn on debugging modify the correct handler
   
 $Apache::lonxml::debug=0;  $Apache::lonxml::debug=0;
   
 # keeps count of the number of warnings and errors generated in a parse  # keeps count of the number of warnings and errors generated in a parse
Line 124  $evaluate = 1; Line 127  $evaluate = 1;
 # stores the list of active tag namespaces  # stores the list of active tag namespaces
 @namespace=();  @namespace=();
   
   # stores all Scrit Vars displays for later showing
   my @script_var_displays=();
   
 # a pointer the the Apache request object  # a pointer the the Apache request object
 $Apache::lonxml::request='';  $Apache::lonxml::request='';
   
Line 131  $Apache::lonxml::request=''; Line 137  $Apache::lonxml::request='';
 $Apache::lonxml::counter=1;  $Apache::lonxml::counter=1;
 $Apache::lonxml::counter_changed=0;  $Apache::lonxml::counter_changed=0;
   
   # Part counter hash.   In analysis mode, the
   # problems can use this to record which parts increment the counter
   # by how much.  The counter subs will maintain this hash via
   # their optional part parameters.  Note that the assumption is that
   # analysis is done in one request and therefore it is not necessary to
   # save this information request-to-request.
   
   
   %Apache::lonxml::counters_per_part = ();
   
 #internal check on whether to look at style defs  #internal check on whether to look at style defs
 $Apache::lonxml::usestyle=1;  $Apache::lonxml::usestyle=1;
   
Line 315  sub xmlparse { Line 331  sub xmlparse {
      }       }
  }   }
      }       }
  } elsif ($env{'construct.style'} && ($env{'request.state'} eq 'construct')) {   } elsif ($env{'construct.style'}
     && ($env{'request.state'} eq 'construct')) {
      my $location=&Apache::lonnet::filelocation('',$env{'construct.style'});       my $location=&Apache::lonnet::filelocation('',$env{'construct.style'});
      my $styletext=&Apache::lonnet::getfile($location);       my $styletext=&Apache::lonnet::getfile($location);
        if ($styletext ne '-1') {       if ($styletext ne '-1') {
           %style_for_target = (%style_for_target,   %style_for_target = (%style_for_target,
                           &Apache::style::styleparser($target,$styletext));        &Apache::style::styleparser($target,$styletext));
       }       }
  }   }
 #&printalltags();  #&printalltags();
  my @pars = ();   my @pars = ();
Line 356  sub xmlparse { Line 373  sub xmlparse {
   
  &clean_safespace($safeeval);   &clean_safespace($safeeval);
   
    if (@script_var_displays) {
        $finaloutput .= join('',@script_var_displays);
        undef(@script_var_displays);
    }
    &init_state();
  if ($env{'form.return_only_error_and_warning_counts'}) {   if ($env{'form.return_only_error_and_warning_counts'}) {
        if ($env{'request.filename'}=~/\.(html|htm|xml)$/i) { 
           my $error=&verify_html($content_file_string);
           if ($error) { $errorcount++; }
        }
      return "$errorcount:$warningcount";       return "$errorcount:$warningcount";
  }   }
  return $finaloutput;   return $finaloutput;
Line 585  sub callsub { Line 611  sub callsub {
   } elsif ($token->[0] eq 'E') {    } elsif ($token->[0] eq 'E') {
     $currentstring = &Apache::edit::tag_end($target,$token);      $currentstring = &Apache::edit::tag_end($target,$token);
   }    }
  } elsif ($target eq 'modified') {   }
         }
         if ($target eq 'modified' && $nodefault eq '') {
     if ($currentstring eq '') {
         if ($token->[0] eq 'S') {
     $currentstring = $token->[4];
         } elsif ($token->[0] eq 'E') {
     $currentstring = $token->[2];
         } else {
     $currentstring = $token->[2];
         }
     }
   if ($token->[0] eq 'S') {    if ($token->[0] eq 'S') {
     $currentstring = $token->[4];        $currentstring.=&Apache::edit::handle_insert();
     $currentstring.=&Apache::edit::handle_insert();  
   } elsif ($token->[0] eq 'E') {    } elsif ($token->[0] eq 'E') {
     $currentstring = $token->[2];        $currentstring.=&Apache::edit::handle_insertafter($token->[1]);
             $currentstring.=&Apache::edit::handle_insertafter($token->[1]);  
   } else {  
     $currentstring = $token->[2];  
   }    }
  }  
       }        }
     }      }
     use strict 'refs';      use strict 'refs';
Line 603  sub callsub { Line 635  sub callsub {
   return $currentstring;    return $currentstring;
 }  }
   
   {
       my %state;
   
       sub init_state {
    undef(%state);
       }
       
       sub set_state {
    my ($key,$value) = @_;
    $state{$key} = $value;
    return $value;
       }
       sub get_state {
    my ($key) = @_;
    return $state{$key};
       }
   }
   
 sub setup_globals {  sub setup_globals {
   my ($request,$target)=@_;    my ($request,$target)=@_;
   $Apache::lonxml::request=$request;    $Apache::lonxml::request=$request;
Line 611  sub setup_globals { Line 661  sub setup_globals {
   $Apache::lonxml::default_homework_loaded=0;    $Apache::lonxml::default_homework_loaded=0;
   $Apache::lonxml::usestyle=1;    $Apache::lonxml::usestyle=1;
   &init_counter();    &init_counter();
     &clear_bubble_lines_for_part();
     &init_state();
     &set_state('target',$target);
   @Apache::lonxml::pwd=();    @Apache::lonxml::pwd=();
   @Apache::lonxml::extlinks=();    @Apache::lonxml::extlinks=();
     @script_var_displays=();
   @Apache::lonxml::ssi_info=();    @Apache::lonxml::ssi_info=();
   $Apache::lonxml::post_evaluate=1;    $Apache::lonxml::post_evaluate=1;
   $Apache::lonxml::warnings_error_header='';    $Apache::lonxml::warnings_error_header='';
Line 673  sub init_safespace { Line 727  sub init_safespace {
   $safehole->wrap(\&Apache::chemresponse::chem_standard_order,$safeeval,    $safehole->wrap(\&Apache::chemresponse::chem_standard_order,$safeeval,
   '&chem_standard_order');    '&chem_standard_order');
   $safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status');    $safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status');
     $safehole->wrap(\&Apache::response::implicit_multiplication,$safeeval,'&implicit_multiplication');
   
   $safehole->wrap(\&Apache::lonmaxima::maxima_eval,$safeeval,'&maxima_eval');    $safehole->wrap(\&Apache::lonmaxima::maxima_eval,$safeeval,'&maxima_eval');
   $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');    $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check');
Line 783  sub init_safespace { Line 838  sub init_safespace {
   $safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$safeeval,'&random_set_seed_from_phrase');    $safehole->wrap(\&Math::Random::random_set_seed_from_phrase,$safeeval,'&random_set_seed_from_phrase');
   $safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed');    $safehole->wrap(\&Math::Random::random_get_seed,$safeeval,'&random_get_seed');
   $safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');    $safehole->wrap(\&Math::Random::random_set_seed,$safeeval,'&random_set_seed');
     $safehole->wrap(\&Apache::loncommon::languages,$safeeval,'&languages');
   $safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');    $safehole->wrap(\&Apache::lonxml::error,$safeeval,'&LONCAPA_INTERNAL_ERROR');
   $safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');    $safehole->wrap(\&Apache::lonxml::debug,$safeeval,'&LONCAPA_INTERNAL_DEBUG');
   $safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');    $safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&LONCAPA_INTERNAL_LOGTHIS');
Line 891  sub endredirection { Line 947  sub endredirection {
     }      }
     pop @Apache::lonxml::outputstack;      pop @Apache::lonxml::outputstack;
 }  }
   sub in_redirection {
       return ($Apache::lonxml::redirection > 0)
   }
   
 sub end_tag {  sub end_tag {
   my ($tagstack,$parstack,$token)=@_;    my ($tagstack,$parstack,$token)=@_;
Line 901  sub end_tag { Line 960  sub end_tag {
   
 sub initdepth {  sub initdepth {
   @Apache::lonxml::depthcounter=();    @Apache::lonxml::depthcounter=();
   $Apache::lonxml::depth=-1;    undef($Apache::lonxml::last_depth_count);
   $Apache::lonxml::olddepth=-1;  
 }  }
   
   
 my @timers;  my @timers;
 my $lasttime;  my $lasttime;
 # $Apache::lonxml::depth -> current stack depth  
 # @Apache::lonxml::depthcounter -> count of tags that exist so  # @Apache::lonxml::depthcounter -> count of tags that exist so
 #                                  far at each level  #                                  far at each level
 # $Apache::lonxml::olddepth -> when ascending, need to remember the count for the level below the current level (for example going from 1_2 -> 1 -> 1_3 need to rember that )   # $Apache::lonxml::last_depth_count -> when ascending, need to
   # remember the count for the level below the current level (for
   # example going from 1_2 -> 1 -> 1_3 need to remember the 2 )
   
 sub increasedepth {  sub increasedepth {
   my ($token) = @_;    my ($token) = @_;
   $Apache::lonxml::depth++;    push(@Apache::lonxml::depthcounter,$Apache::lonxml::last_depth_count+1);
   $Apache::lonxml::depthcounter[$Apache::lonxml::depth]++;    undef($Apache::lonxml::last_depth_count);
   if ($Apache::lonxml::depthcounter[$Apache::lonxml::depth]==1) {  
     $Apache::lonxml::olddepth=$Apache::lonxml::depth;  
   }  
   my $time;    my $time;
   if ($Apache::lonxml::debug eq "1") {    if ($Apache::lonxml::debug eq "1") {
       push(@timers,[&gettimeofday()]);        push(@timers,[&gettimeofday()]);
       $time=&tv_interval($lasttime);        $time=&tv_interval($lasttime);
       $lasttime=[&gettimeofday()];        $lasttime=[&gettimeofday()];
   }    }
   my $spacing='  'x($Apache::lonxml::depth-1);    my $spacing='  'x($#Apache::lonxml::depthcounter);
   $Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);    $Apache::lonxml::curdepth=join('_',@Apache::lonxml::depthcounter);
   &Apache::lonxml::debug("s$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time");  #  &Apache::lonxml::debug("s$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time");
 #print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n";  #print "<br />s $Apache::lonxml::depth : $Apache::lonxml::olddepth : $curdepth : $token->[1]\n";
 }  }
   
 sub decreasedepth {  sub decreasedepth {
   my ($token) = @_;    my ($token) = @_;
   $Apache::lonxml::depth--;    if (  $#Apache::lonxml::depthcounter == -1) {
   if ($Apache::lonxml::depth<$Apache::lonxml::olddepth-1) {        &Apache::lonxml::warning(&mt("Missing tags, unable to properly run file."));
     $#Apache::lonxml::depthcounter--;  
     $Apache::lonxml::olddepth=$Apache::lonxml::depth+1;  
   }  
   if (  $Apache::lonxml::depth < -1) {  
     &Apache::lonxml::warning(&mt("Missing tags, unable to properly run file."));  
     $Apache::lonxml::depth='-1';  
   }    }
     $Apache::lonxml::last_depth_count = pop(@Apache::lonxml::depthcounter);
   
   my ($timer,$time);    my ($timer,$time);
   if ($Apache::lonxml::debug eq "1") {    if ($Apache::lonxml::debug eq "1") {
       $timer=pop(@timers);        $timer=pop(@timers);
       $time=&tv_interval($lasttime);        $time=&tv_interval($lasttime);
       $lasttime=[&gettimeofday()];        $lasttime=[&gettimeofday()];
   }    }
   my $spacing='  'x$Apache::lonxml::depth;    my $spacing='  'x($#Apache::lonxml::depthcounter);
   $Apache::lonxml::curdepth=    $Apache::lonxml::curdepth = join('_',@Apache::lonxml::depthcounter);
       join('_',@Apache::lonxml::depthcounter[0..$Apache::lonxml::depth]);  #  &Apache::lonxml::debug("e$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time : ".&tv_interval($timer));
   &Apache::lonxml::debug("e$spacing$Apache::lonxml::depth : $Apache::lonxml::olddepth : $Apache::lonxml::curdepth : $token->[1] : $time : ".&tv_interval($timer));  
 #print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n";  #print "<br />e $Apache::lonxml::depth : $Apache::lonxml::olddepth : $token->[1] : $curdepth\n";
 }  }
   
 sub get_id {  sub get_id {
     my ($parstack,$safeeval)=@_;      my ($parstack,$safeeval)=@_;
     my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);      my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
     if ($env{'request.state'} eq 'construct' && $id =~ /(\.|_)/) {      if ($env{'request.state'} eq 'construct' && $id =~ /([._]|[^\w\d\s[:punct:]])/) {
  &error(&mt("IDs are not allowed to contain &quot;<tt>_</tt>&quot; or &quot;<tt>.</tt>&quot;"));   &error(&mt("ID &quot;[_1]&quot; contains invalid characters, IDs are only allowed to contain letters, numbers, spaces and -",'<tt>'.$id.'</tt>'));
     }      }
     if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }      if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
     return $id;      return $id;
Line 996  sub get_all_text_unbalanced { Line 1047  sub get_all_text_unbalanced {
  }   }
     }      }
     return $result      return $result
   
 }  }
   
   #########################################################################
   #                                                                       #
   #           bubble line counter management                              #
   #                                                                       #
   #########################################################################
   
   =pod
   
   For bubble grading mode and exam bubble printing mode, the tracking of
   the current 'bubble line number' is stored in the %env element
   'form.counter', and is modifed and handled by the following routines.
   
   The value of it is stored in $Apache:lonxml::counter when live and
   stored back to env after done.
   
   =item &increment_counter($increment);
   
   Increments the internal counter environment variable a specified amount
   
   Optional Arguments:
     $increment - amount to increment by (defaults to 1)
                  Also 1 if the value is negative or zero.
     $part_response - A concatenation of the part and response id
                      identifying exactly what is being 'answered'.
   
   
   =cut
   
 sub increment_counter {  sub increment_counter {
     my ($increment) = @_;      my ($increment, $part_response) = @_;
     if (defined($increment) && $increment gt 0) {      if (!defined($increment) || $increment le 0) {
  $Apache::lonxml::counter+=$increment;   $increment = 1;
     } else {  
  $Apache::lonxml::counter++;  
     }      }
       $Apache::lonxml::counter += $increment;
   
       # If the caller supplied the response_id parameter, 
       # Maintain its counter.. creating if necessary.
   
       if (defined($part_response)) {
    if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
       $Apache::lonxml::counters_per_part{$part_response} = 0;
    }
    $Apache::lonxml::counters_per_part{$part_response} += $increment;
    my $new_value = $Apache::lonxml::counters_per_part{$part_response};
       }
   
     $Apache::lonxml::counter_changed=1;      $Apache::lonxml::counter_changed=1;
 }  }
   
   =pod
   
   =item &init_counter($increment);
   
   Initialize the internal counter environment variable
   
   =cut
   
 sub init_counter {  sub init_counter {
     if ($env{'request.state'} eq 'construct') {      if ($env{'request.state'} eq 'construct') {
  $Apache::lonxml::counter=1;   $Apache::lonxml::counter=1;
Line 1022  sub init_counter { Line 1121  sub init_counter {
 }  }
   
 sub store_counter {  sub store_counter {
     &Apache::lonnet::appenv(('form.counter' => $Apache::lonxml::counter));      &Apache::lonnet::appenv({'form.counter' => $Apache::lonxml::counter});
     $Apache::lonxml::counter_changed=0;      $Apache::lonxml::counter_changed=0;
     return '';      return '';
 }  }
Line 1043  sub store_counter { Line 1142  sub store_counter {
   
     sub restore_problem_counter {      sub restore_problem_counter {
  if (defined($state)) {   if (defined($state)) {
     &Apache::lonnet::appenv(('form.counter' => $state));      &Apache::lonnet::appenv({'form.counter' => $state});
  }   }
     }      }
     sub get_problem_counter {      sub get_problem_counter {
Line 1053  sub store_counter { Line 1152  sub store_counter {
     }      }
 }  }
   
   =pod
   
   =item  bubble_lines_for_part(part_response)
   
   Returns the number of lines required to get a response for
   $part_response (this is just $Apache::lonxml::counters_per_part{$part_response}
   
   =cut
   
   sub bubble_lines_for_part {
       my ($part_response) = @_;
   
       if (!defined($Apache::lonxml::counters_per_part{$part_response})) {
    return 0;
       } else {
    return $Apache::lonxml::counters_per_part{$part_response};
       }
   }
   
   =pod
   
   =item clear_bubble_lines_for_part
   
   Clears the hash of bubble lines per part.  If a caller
   needs to analyze several resources this should be called between
   resources to reset the hash for each problem being analyzed.
   
   =cut
   
   sub clear_bubble_lines_for_part {
       undef(%Apache::lonxml::counters_per_part);
   }
   
   =pod
   
   =item set_bubble_lines(part_response, value)
   
   If there is a problem part, that for whatever reason
   requires bubble lines that are not
   the same as the counter increment, it can call this sub during
   analysis to set its hash value explicitly.
   
   =cut
   
   sub set_bubble_lines {
       my ($part_response, $value) = @_;
   
       $Apache::lonxml::counters_per_part{$part_response} = $value;
   }
   
   =pod
   
   =item get_bubble_line_hash
   
   Returns the current bubble line hash.  This is assumed to 
   be small so we return a copy
   
   
   =cut
   
   sub get_bubble_line_hash {
       return %Apache::lonxml::counters_per_part;
   }
   
   
   #--------------------------------------------------
   
 sub get_all_text {  sub get_all_text {
     my($tag,$pars,$style)= @_;      my($tag,$pars,$style)= @_;
     my $gotfullstack=1;      my $gotfullstack=1;
Line 1210  sub writeallows { Line 1376  sub writeallows {
     my %httpref=();      my %httpref=();
     foreach (@extlinks) {      foreach (@extlinks) {
        $httpref{'httpref.'.         $httpref{'httpref.'.
          &Apache::lonnet::hreflocation($thisdir,$_)}=$thisurl;           &Apache::lonnet::hreflocation($thisdir,&unescape($_))}=$thisurl;
     }      }
     @extlinks=();      @extlinks=();
     &Apache::lonnet::appenv(%httpref);      &Apache::lonnet::appenv(\%httpref);
 }  }
   
 sub register_ssi {  sub register_ssi {
Line 1229  sub do_registered_ssi { Line 1395  sub do_registered_ssi {
  &Apache::lonnet::ssi($url,%form);   &Apache::lonnet::ssi($url,%form);
     }      }
 }  }
   
   sub add_script_result {
       my ($display) = @_;
       push(@script_var_displays, $display);
   }
   
 #  #
 # Afterburner handles anchors, highlights and links  # Afterburner handles anchors, highlights and links
 #  #
Line 1307  SIMPLECONTENT Line 1479  SIMPLECONTENT
   return $filecontents;    return $filecontents;
 }  }
   
   sub verify_html {
       my ($filecontents)=@_;
       if ($filecontents!~/(?:\<|\&lt\;)(?:html|xml)[^\<]*(?:\>|\&gt\;)/is) {
          return &mt('File does not have [_1] or [_2] starting tag','&lt;html&gt;','&lt;xml&gt;');
       }
       if ($filecontents!~/(?:\<|\&lt\;)\/(?:html|xml)(?:\>|\&gt\;)/is) {
          return &mt('File does not have [_1] or [_2] ending tag','&lt;html&gt;','&lt;xml&gt;');
       }
       if ($filecontents!~/(?:\<|\&lt\;)(?:body|frameset)[^\<]*(?:\>|\&gt\;)/is) {
          return &mt('File does not have [_1] or [_2] starting tag','&lt;body&gt;','&lt;frameset&gt;');
       }
       if ($filecontents!~/(?:\<|\&lt\;)\/(?:body|frameset)[^\<]*(?:\>|\&gt\;)/is) {
          return &mt('File does not have [_1] or [_2] ending tag','&lt;body&gt;','&lt;frameset&gt;');
       }
       return '';
   }
   
 sub inserteditinfo {  sub inserteditinfo {
       my ($result,$filecontents,$filetype)=@_;        my ($filecontents, $filetype, $filename)=@_;
       $filecontents = &HTML::Entities::encode($filecontents,'<>&"');        $filecontents = &HTML::Entities::encode($filecontents,'<>&"');
 #      my $editheader='<a href="#editsection">Edit below</a><hr />';  
       my $xml_help = '';        my $xml_help = '';
       my $initialize='';        my $initialize='';
       if ($filetype eq 'html') {        my $textarea_id = 'filecont';
   my $addbuttons=&Apache::lonhtmlcommon::htmlareaaddbuttons();        my ($add_to_onload, $add_to_onresize);
   $initialize=&Apache::lonhtmlcommon::spellheader();        $initialize=&Apache::lonhtmlcommon::spellheader();
   if (!&Apache::lonhtmlcommon::htmlareablocked() &&        if ($filetype eq 'html' 
       &Apache::lonhtmlcommon::htmlareabrowser()) {    && (!&Apache::lonhtmlcommon::htmlareablocked() &&
       $initialize.=(<<FULLPAGE);        &Apache::lonhtmlcommon::htmlareabrowser())) {
     $textarea_id .= '___Frame';
     my $lang = &Apache::lonhtmlcommon::htmlarea_lang();
     $initialize.=(<<FULLPAGE);
 <script type="text/javascript">  <script type="text/javascript">
 $addbuttons  lonca
   
     HTMLArea.loadPlugin("FullPage");  
   
     function initDocument() {      function initDocument() {
  var editor=new HTMLArea("filecont",config);          var oFCKeditor = new FCKeditor('filecont');
  editor.registerPlugin(FullPage);   oFCKeditor.Config['CustomConfigurationsPath'] = '/fckeditor/loncapaconfig.js'  ;
  editor.generate();   oFCKeditor.Config['FullPage'] = true
    oFCKeditor.Config['AutoDetectLanguage'] = false;
           oFCKeditor.Config['DefaultLanguage'] = "$lang";
    oFCKeditor.ReplaceTextarea();
       }
       function check_if_dirty(editor) {
    if (editor.IsDirty()) {
       unClean();
    }
       }
       function FCKeditor_OnComplete(editor) {
    editor.Events.AttachEvent("OnSelectionChange",check_if_dirty);
    resize_textarea('$textarea_id','LC_aftertextarea');
     }      }
 </script>  </script>
 FULLPAGE  FULLPAGE
           } else {        } else {
       $initialize.=(<<FULLPAGE);    $initialize.=(<<FULLPAGE);
 <script type="text/javascript">  <script type="text/javascript">
 $addbuttons  
     function initDocument() {      function initDocument() {
    resize_textarea('$textarea_id','LC_aftertextarea');
     }      }
 </script>  </script>
 FULLPAGE  FULLPAGE
   }        }
           $result=~s/\<body([^\>]*)\>/\<body onload="initDocument()" $1\>/i;  
         $add_to_onload = 'initDocument();';
         $add_to_onresize = "resize_textarea('$textarea_id','LC_aftertextarea');";
   
         if ($filetype eq 'html') {
   $xml_help=&Apache::loncommon::helpLatexCheatsheet();    $xml_help=&Apache::loncommon::helpLatexCheatsheet();
       }        }
       my $cleanbut = '';  
   
       my $titledisplay=&display_title();        my $titledisplay=&display_title();
       my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',        my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit',
Line 1352  FULLPAGE Line 1554  FULLPAGE
  'dv' => 'Discard Edits and View',   'dv' => 'Discard Edits and View',
  'un' => 'undo',   'un' => 'undo',
  'ed' => 'Edit');   'ed' => 'Edit');
       my $buttons=(<<BUTTONS);        my $spelllink .=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');
 $cleanbut        my $textarea_events = &Apache::edit::element_change_detection();
 <input type="submit" name="discardview" accesskey="d"  value="$lt{'dv'}" />        my $form_events     = &Apache::edit::form_change_detection();
 <input type="submit" name="Undo" accesskey="u"  value="$lt{'un'}" /><hr>        my $htmlerror=&verify_html($filecontents);
 <input type="submit" name="savethisfile" accesskey="s"  value="$lt{'st'}" />        if ($htmlerror) {
 <input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />           $htmlerror='<span class="LC_error">'.$htmlerror.'</span>';
 BUTTONS        }
       $buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont');  
       my $editfooter=(<<ENDFOOTER);        my $editfooter=(<<ENDFOOTER);
 $initialize  $initialize
 <hr />  
 <a name="editsection" />  <a name="editsection" />
 <form method="post" name="xmledit">  <form $form_events method="post" name="xmledit">
 $xml_help    <div class="LC_edit_problem_editxml_header">
 <input type="hidden" name="editmode" value="$lt{'ed'}" />      <table class="LC_edit_problem_header_title"><tr><td>
 $buttons<br />          $filename
 <textarea style="width:100%" cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea>        </td><td align="right">
 <br />$buttons          $xml_help
 <br />        </td></tr>
       </table>
       <div class="LC_edit_problem_discards">
         <input type="submit" name="discardview" accesskey="d" value="$lt{'dv'}" />
         <input type="submit" name="Undo" accesskey="u" value="$lt{'un'}" />
         $spelllink $htmlerror
       </div>
       <div class="LC_edit_problem_saves">
         <input type="submit" name="savethisfile" accesskey="s" value="$lt{'st'}" />
         <input type="submit" name="viewmode" accesskey="v" value="$lt{'vi'}" />
       </div>
     </div>
     <textarea $textarea_events style="width:100%" cols="80" rows="44" name="filecont" id="filecont">$filecontents</textarea>
     <div id="LC_aftertextarea">
       <br />
       $titledisplay
     </div>
 </form>  </form>
 $titledisplay  
 </body>  </body>
 ENDFOOTER  ENDFOOTER
 #      $result=~s/(\<body[^\>]*\>)/$1$editheader/is;        return ($editfooter,$add_to_onload,$add_to_onresize);;
       $result=~s/(\<\/body\>)/$editfooter/is;  
       return $result;  
 }  }
   
 sub get_target {  sub get_target {
Line 1439  sub handler { Line 1652  sub handler {
  if ($env{'form.savethisfile'} || $env{'form.viewmode'} || $env{'form.Undo'}) {   if ($env{'form.savethisfile'} || $env{'form.viewmode'} || $env{'form.Undo'}) {
     my $html_file=&Apache::lonnet::getfile($file);      my $html_file=&Apache::lonnet::getfile($file);
     my $error = &Apache::lonhomework::handle_save_or_undo($request, \$html_file, \$env{'form.filecont'});      my $error = &Apache::lonhomework::handle_save_or_undo($request, \$html_file, \$env{'form.filecont'});
               if ($env{'form.savethisfile'}) {
                   $env{'form.editmode'}='Edit'; #force edit mode
               }
  }   }
     }      }
     my %mystyle;      my %mystyle;
Line 1473  ENDNOTFOUND Line 1689  ENDNOTFOUND
     ['editmode']);      ['editmode']);
  }   }
  if (!$env{'form.editmode'} || $env{'form.viewmode'} || $env{'form.discardview'}) {   if (!$env{'form.editmode'} || $env{'form.viewmode'} || $env{'form.discardview'}) {
       &Apache::structuretags::reset_problem_globals();
     $result = &Apache::lonxml::xmlparse($request,$target,$filecontents,      $result = &Apache::lonxml::xmlparse($request,$target,$filecontents,
  '',%mystyle);   '',%mystyle);
     undef($Apache::lonhomework::parsing_a_task);      # .html files may contain <problem> or <Task> need to clean
       # up if it did
       &Apache::structuretags::reset_problem_globals();
       &Apache::lonhomework::finished_parsing();
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
     ['rawmode']);      ['rawmode']);
     if ($env{'form.rawmode'}) { $result = $filecontents; }      if ($env{'form.rawmode'}) { $result = $filecontents; }
       if ($filetype eq 'sty') {
    my $controls =
       ($env{'request.state'} eq 'construct') ? &Apache::londefdef::edit_controls()
                                              : '';
    my %options = ('bgcolor' => '#FFFFFF');
    $result = 
       &Apache::loncommon::start_page(undef,undef,\%options).
       $controls.
       $result.
       &Apache::loncommon::end_page();
       }
  }   }
     }      }
       
 #  #
 # Edit action? Insert editing commands  # Edit action? Insert editing commands
 #  #
     unless ($env{'request.state'} eq 'published') {      unless ($env{'request.state'} eq 'published') {
  if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'})))   if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'})))
     {   {
     my $displayfile=$request->uri;      my $displayfile=$request->uri;
     $displayfile=~s/^\/[^\/]*//;      $displayfile=~s/^\/[^\/]*//;
     my %options = ();  
       my ($edit_info, $add_to_onload, $add_to_onresize)=
    &inserteditinfo($filecontents,$filetype,$displayfile);
   
       my %options = 
    ('add_entries' =>
                      {'onresize' => $add_to_onresize,
       'onload'   => $add_to_onload,   });
   
     if ($env{'environment.remote'} ne 'off') {      if ($env{'environment.remote'} ne 'off') {
  $options{'bgcolor'}   = '#FFFFFF';   $options{'bgcolor'}   = '#FFFFFF';
    $options{'only_body'} = 1;
     }      }
     my $start_page = &Apache::loncommon::start_page(undef,undef,      my $js =
    &Apache::edit::js_change_detection().
    &Apache::loncommon::resize_textarea_js();
       my $start_page = &Apache::loncommon::start_page(undef,$js,
     \%options);      \%options);
     $result=$start_page.      $result=$start_page.
  &Apache::lonxml::message_location().'<h3>'.   &Apache::lonxml::message_location().
  $displayfile.   $edit_info.
  '</h3>'.&Apache::loncommon::end_page();   &Apache::loncommon::end_page();
     $result=&inserteditinfo($result,$filecontents,$filetype);  
  }   }
     }      }
     if ($filetype eq 'html') { &writeallows($request->uri); }      if ($filetype eq 'html') { &writeallows($request->uri); }
   
           
     &Apache::lonxml::add_messages(\$result);      &Apache::lonxml::add_messages(\$result);
     $request->print($result);      $request->print($result);
Line 1520  sub display_title { Line 1761  sub display_title {
     $title = $env{'request.filename'};      $title = $env{'request.filename'};
     $title = substr($title, rindex($title, '/') + 1);      $title = substr($title, rindex($title, '/') + 1);
  }   }
  $result = "<script type='text/javascript'>top.document.title = '$title - LON-CAPA Construction Space';</script>";          $result = "<script type='text/javascript'>top.document.title = '$title - LON-CAPA "
                     .&mt('Construction Space')."';</script>";
     }      }
     return $result;      return $result;
 }  }
Line 1553  sub show_error_warn_msg { Line 1795  sub show_error_warn_msg {
 }  }
   
 sub error {  sub error {
       my @errors = @_;
   
     $errorcount++;      $errorcount++;
   
       if (defined($Apache::inputtags::part)) {
    if ( @Apache::inputtags::response ) {
       push(@errors,
    &mt("This error occurred while processing response [_1] in part [_2]",
        $Apache::inputtags::response[-1],
        $Apache::inputtags::part));
    } else {
       push(@errors,
    &mt("This error occurred while processing part [_1]",
        $Apache::inputtags::part));
    }
       }
   
     if ( &show_error_warn_msg() ) {      if ( &show_error_warn_msg() ) {
  # If printing in construction space, put the error inside <pre></pre>   # If printing in construction space, put the error inside <pre></pre>
  push(@Apache::lonxml::error_messages,   push(@Apache::lonxml::error_messages,
      $Apache::lonxml::warnings_error_header.       $Apache::lonxml::warnings_error_header.
      "<b>ERROR:</b>".join("<br />\n",@_)."<br />\n");               "<b>".&mt('ERROR:')."</b>".join("<br />\n",@errors)."<br />\n");
  $Apache::lonxml::warnings_error_header='';   $Apache::lonxml::warnings_error_header='';
     } else {      } else {
  my $errormsg;   my $errormsg;
Line 1568  sub error { Line 1826  sub error {
     $errormsg=&mt("An error occured while processing this resource. The author has been notified.");      $errormsg=&mt("An error occured while processing this resource. The author has been notified.");
  }   }
  my $host=$Apache::lonnet::perlvar{'lonHostID'};   my $host=$Apache::lonnet::perlvar{'lonHostID'};
  my $msg = join('<br />',(@_,"The error occurred on host <tt>$host</tt>"));   push(@errors,
           &mt("The error occurred on host [_1]",
                "<tt>$host</tt>"));
   
    my $msg = join('<br />', @errors);
   
  #notify author   #notify author
  &Apache::lonmsg::author_res_msg($env{'request.filename'},$msg);   &Apache::lonmsg::author_res_msg($env{'request.filename'},$msg);
  #notify course   #notify course
  if ( $symb && $env{'request.course.id'} ) {   if ( $symb && $env{'request.course.id'} ) {
     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'};
     my (undef,%users)=&Apache::lonfeedback::decide_receiver(undef,0,1,1,1);      my (undef,%users)=&Apache::lonmsg::decide_receiver(undef,0,1,1,1);
     my $declutter=&Apache::lonnet::declutter($env{'request.filename'});      my $declutter=&Apache::lonnet::declutter($env{'request.filename'});
             my $baseurl = &Apache::lonnet::clutter($declutter);              my $baseurl = &Apache::lonnet::clutter($declutter);
     my @userlist;      my @userlist;
Line 1700  sub get_param_var { Line 1963  sub get_param_var {
   }    }
 }  }
   
 sub register_insert_tab {  
   my @data = split /\n/, &Apache::lonnet::getfile('/home/httpd/lonTabs/insertlist.tab');  
   my $i;  
   my $tagnum=0;  
   my @order;  
   for ($i=0;$i < $#data; $i++) {  
     my $line = $data[$i];  
     if ( $line =~ /^\#/ || $line =~ /^\s*\n/) { next; }  
     if ( $line =~ /TABLE/ ) { last; }  
     my ($tag,$descrip,$color,$function,$show,$helpfile,$helpdesc) = split(/,/, $line);  
     if ($tag) {  
       $insertlist{"$tagnum.tag"} = $tag;  
       $insertlist{"$tag.description"} = $descrip;  
       $insertlist{"$tag.color"} = $color;  
       $insertlist{"$tag.function"} = $function;  
       if (!defined($show)) { $show='yes'; }  
       $insertlist{"$tag.show"}= $show;  
       $insertlist{"$tag.helpfile"} = $helpfile;  
       $insertlist{"$tag.helpdesc"} = $helpdesc;  
       $insertlist{"$tag.num"}=$tagnum;  
       $tagnum++;  
     }  
   }  
   $i++; #skipping TABLE line  
   $tagnum = 0;  
   for (;$i < $#data;$i++) {  
     my $line = $data[$i];  
     my ($mnemonic,@which) = split(/ +/,$line);  
     my $tag = $insertlist{"$tagnum.tag"};  
     for (my $j=0;$j <=$#which;$j++) {  
       if ( $which[$j] eq 'Y' ) {  
  if ($insertlist{"$j.show"} ne 'no') {  
   push(@{ $insertlist{"$tag.which"} },$insertlist{"$j.tag"});  
  }  
       }  
     }  
     $tagnum++;  
   }  
 }  
   
 sub register_insert_xml {  sub register_insert_xml {
     my $parser = HTML::LCParser->new($Apache::lonnet::perlvar{'lonTabDir'}      my $parser = HTML::LCParser->new($Apache::lonnet::perlvar{'lonTabDir'}
      .'/insertlist.xml');       .'/insertlist.xml');
     my ($tagnum,$in_help)=(0,0);      my ($tagnum,$in_help)=(0,0);
       my @alltags;
     my $tag;      my $tag;
     while (my $token = $parser->get_token()) {      while (my $token = $parser->get_token()) {
  if ($token->[0] eq 'S') {   if ($token->[0] eq 'S') {
Line 1752  sub register_insert_xml { Line 1976  sub register_insert_xml {
  $tag = $token->[2]{'name'};   $tag = $token->[2]{'name'};
  $insertlist{"$tagnum.tag"} = $tag;   $insertlist{"$tagnum.tag"} = $tag;
  $insertlist{"$tag.num"}   = $tagnum;   $insertlist{"$tag.num"}   = $tagnum;
    push(@alltags,$tag);
     } elsif ($in_help && $token->[1] eq 'file') {      } elsif ($in_help && $token->[1] eq 'file') {
  $key = $tag.'.helpfile';   $key = $tag.'.helpfile';
     } elsif ($in_help && $token->[1] eq 'description') {      } elsif ($in_help && $token->[1] eq 'description') {
Line 1765  sub register_insert_xml { Line 1990  sub register_insert_xml {
     } elsif ($token->[1] eq 'help') {      } elsif ($token->[1] eq 'help') {
  $in_help=1;   $in_help=1;
     } elsif ($token->[1] eq 'allow') {      } elsif ($token->[1] eq 'allow') {
  my $allow = $parser->get_text();   $key = $tag.'.allow';
  foreach my $element (split(',',$allow)) {  
     $element =~ s/(^\s*|\s*$ )//gx;  
     push(@{ $insertlist{$tag.'.which'} },$element);  
  }  
     }      }
     if (defined($key)) {      if (defined($key)) {
  $insertlist{$key} = $parser->get_text();   $insertlist{$key} = $parser->get_text();
Line 1784  sub register_insert_xml { Line 2005  sub register_insert_xml {
     }      }
  }   }
     }      }
       
       # parse the allows and ignore tags set to <show>no</show>
       foreach my $tag (@alltags) {
           next if (!exists($insertlist{"$tag.allow"}));
    my $allow =  $insertlist{"$tag.allow"};
           foreach my $element (split(',',$allow)) {
       $element =~ s/(^\s*|\s*$ )//gx;
       if (!exists($insertlist{"$element.show"})
                   || $insertlist{"$element.show"} ne 'no') {
    push(@{ $insertlist{$tag.'.which'} },$element);
       }
    }
       }
 }  }
   
 sub register_insert {  sub register_insert {
 #    &register_insert_tab(@_);  
 #    &dump_insertlist('1');  
 #    undef(%insertlist);  
     return &register_insert_xml(@_);      return &register_insert_xml(@_);
 #    &dump_insertlist('2');  #    &dump_insertlist('2');
 }  }
Removed from v.1.438  
changed lines
  Added in v.1.476

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