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Diff for /loncom/interface/loncommon.pm between versions 1.636.2.6 and 1.702

version 1.636.2.6, 2008/04/04 16:48:42 version 1.702, 2008/12/03 00:09:56
Line 61  use POSIX qw(strftime mktime); Line 61  use POSIX qw(strftime mktime);
 use Apache::lonmenu();  use Apache::lonmenu();
 use Apache::lonenc();  use Apache::lonenc();
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::lonnet();
 use HTML::Entities;  use HTML::Entities;
 use Apache::lonhtmlcommon();  use Apache::lonhtmlcommon();
 use Apache::loncoursedata();  use Apache::loncoursedata();
 use Apache::lontexconvert();  use Apache::lontexconvert();
 use Apache::lonclonecourse();  use Apache::lonclonecourse();
 use LONCAPA qw(:DEFAULT :match);  use LONCAPA qw(:DEFAULT :match);
   use DateTime::TimeZone;
   use DateTime::Locale::Catalog;
   
 # ---------------------------------------------- Designs  # ---------------------------------------------- Designs
 use vars qw(%defaultdesign);  use vars qw(%defaultdesign);
Line 78  my $readit; Line 81  my $readit;
 ## Global Variables  ## Global Variables
 ##  ##
   
   
 # ----------------------------------------------- SSI with retries:  # ----------------------------------------------- SSI with retries:
 #  #
   
Line 91  my $readit; Line 95  my $readit;
   
 Performs an ssi with some number of retries.  Retries continue either  Performs an ssi with some number of retries.  Retries continue either
 until the result is ok or until the retry count supplied by the  until the result is ok or until the retry count supplied by the
 caller is exhausted.  caller is exhausted.  
   
 Inputs:  Inputs:
   
Line 123  sub ssi_with_retries { Line 127  sub ssi_with_retries {
     my ($resource, $retries, %form) = @_;      my ($resource, $retries, %form) = @_;
   
   
     my $ok = 0;                 # True if we got a good response.      my $ok = 0; # True if we got a good response.
     my $content;      my $content;
     my $response;      my $response;
   
     # Try to get the ssi done. within the retries count:      # Try to get the ssi done. within the retries count:
   
     do {      do {
         ($content, $response) = &Apache::lonnet::ssi($resource, %form);   ($content, $response) = &Apache::lonnet::ssi($resource, %form);
         $ok      = $response->is_success;   $ok      = $response->is_success;
         if (!$ok) {          if (!$ok) {
             &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message);              &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message);
         }          }
         $retries--;   $retries--;
     } while (!$ok && ($retries > 0));      } while (!$ok && ($retries > 0));
   
     if (!$ok) {      if (!$ok) {
         $content = '';          # On error return an empty content.   $content = ''; # On error return an empty content.
     }      }
     return ($content, $response);      return ($content, $response);
   
Line 283  BEGIN { Line 287  BEGIN {
   
 =over 4  =over 4
   
 =item * browser_and_searcher_javascript ()  =item * &browser_and_searcher_javascript()
   
 X<browsing, javascript>X<searching, javascript>Returns a string  X<browsing, javascript>X<searching, javascript>Returns a string
 containing javascript with two functions, C<openbrowser> and  containing javascript with two functions, C<openbrowser> and
 C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>  C<opensearcher>. Returned string does not contain E<lt>scriptE<gt>
 tags.  tags.
   
 =item * openbrowser(formname,elementname,only,omit) [javascript]  =item * &openbrowser(formname,elementname,only,omit) [javascript]
   
 inputs: formname, elementname, only, omit  inputs: formname, elementname, only, omit
   
Line 303  with the given extension.  Can be a comm Line 307  with the given extension.  Can be a comm
 Specifying 'omit' will restrict the browser to NOT displaying files  Specifying 'omit' will restrict the browser to NOT displaying files
 with the given extension.  Can be a comma separated list.  with the given extension.  Can be a comma separated list.
   
 =item * opensearcher(formname, elementname) [javascript]  =item * &opensearcher(formname,elementname) [javascript]
   
 Inputs: formname, elementname  Inputs: formname, elementname
   
Line 388  sub storeresurl { Line 392  sub storeresurl {
     unless ($resurl=~/^\/res/) { return 0; }      unless ($resurl=~/^\/res/) { return 0; }
     $resurl=~s/\/$//;      $resurl=~s/\/$//;
     &Apache::lonnet::put('environment',{'lastresurl' => $resurl});      &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
     &Apache::lonnet::appenv('environment.lastresurl' => $resurl);      &Apache::lonnet::appenv({'environment.lastresurl' => $resurl});
     return 1;      return 1;
 }  }
   
Line 446  sub selectstudent_link { Line 450  sub selectstudent_link {
    return '';     return '';
 }  }
   
   sub authorbrowser_javascript {
       return <<"ENDAUTHORBRW";
   <script type="text/javascript">
   var stdeditbrowser;
   
   function openauthorbrowser(formname,udom) {
       var url = '/adm/pickauthor?';
       url += 'form='+formname+'&roledom='+udom;
       var title = 'Author_Browser';
       var options = 'scrollbars=1,resizable=1,menubar=0';
       options += ',width=700,height=600';
       stdeditbrowser = open(url,title,options,'1');
       stdeditbrowser.focus();
   }
   
   </script>
   ENDAUTHORBRW
   }
   
 sub coursebrowser_javascript {  sub coursebrowser_javascript {
     my ($domainfilter,$sec_element,$formname)=@_;      my ($domainfilter,$sec_element,$formname)=@_;
     my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');      my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role');
Line 583  sub selectcourse_link { Line 606  sub selectcourse_link {
         '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";          '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'","'.$selecttype.'");'."'>".&mt('Select Course')."</a>";
 }  }
   
   sub selectauthor_link {
      my ($form,$udom)=@_;
      return '<a href="javascript:openauthorbrowser('."'$form','$udom'".');">'.
             &mt('Select Author').'</a>';
   }
   
 sub check_uncheck_jscript {  sub check_uncheck_jscript {
     my $jscript = <<"ENDSCRT";      my $jscript = <<"ENDSCRT";
 function checkAll(field) {  function checkAll(field) {
Line 608  ENDSCRT Line 637  ENDSCRT
     return $jscript;      return $jscript;
 }  }
   
   sub select_timezone {
      my ($name,$selected,$onchange,$includeempty)=@_;
      my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
      if ($includeempty) {
          $output .= '<option value=""';
          if (($selected eq '') || ($selected eq 'local')) {
              $output .= ' selected="selected" ';
          }
          $output .= '> </option>';
      }
      my @timezones = DateTime::TimeZone->all_names;
      foreach my $tzone (@timezones) {
          $output.= '<option value="'.$tzone.'"';
          if ($tzone eq $selected) {
              $output.=' selected="selected"';
          }
          $output.=">$tzone</option>\n";
      }
      $output.="</select>";
      return $output;
   }
   
   sub select_datelocale {
       my ($name,$selected,$onchange,$includeempty)=@_;
       my $output='<select name="'.$name.'" '.$onchange.'>'."\n";
       if ($includeempty) {
           $output .= '<option value=""';
           if ($selected eq '') {
               $output .= ' selected="selected" ';
           }
           $output .= '> </option>';
       }
       my (@possibles,%locale_names);
       my @locales = DateTime::Locale::Catalog::Locales;
       foreach my $locale (@locales) {
           if (ref($locale) eq 'HASH') {
               my $id = $locale->{'id'};
               if ($id ne '') {
                   my $en_terr = $locale->{'en_territory'};
                   my $native_terr = $locale->{'native_territory'};
                   my @languages = &Apache::lonlocal::preferred_languages();
                   if (grep(/^en$/,@languages) || !@languages) {
                       if ($en_terr ne '') {
                           $locale_names{$id} = '('.$en_terr.')';
                       } elsif ($native_terr ne '') {
                           $locale_names{$id} = $native_terr;
                       }
                   } else {
                       if ($native_terr ne '') {
                           $locale_names{$id} = $native_terr.' ';
                       } elsif ($en_terr ne '') {
                           $locale_names{$id} = '('.$en_terr.')';
                       }
                   }
                   push (@possibles,$id);
               }
           }
       }
       foreach my $item (sort(@possibles)) {
           $output.= '<option value="'.$item.'"';
           if ($item eq $selected) {
               $output.=' selected="selected"';
           }
           $output.=">$item";
           if ($locale_names{$item} ne '') {
               $output.="  $locale_names{$item}</option>\n";
           }
           $output.="</option>\n";
       }
       $output.="</select>";
       return $output;
   }
   
 =pod  =pod
   
 =item * linked_select_forms(...)  =item * &linked_select_forms(...)
   
 linked_select_forms returns a string containing a <script></script> block  linked_select_forms returns a string containing a <script></script> block
 and html for two <select> menus.  The select menus will be linked in that  and html for two <select> menus.  The select menus will be linked in that
Line 776  END Line 877  END
   
 =pod  =pod
   
 =item * help_open_topic($topic, $text, $stayOnPage, $width, $height)  =item * &help_open_topic($topic,$text,$stayOnPage,$width,$height)
   
 Returns a string corresponding to an HTML link to the given help  Returns a string corresponding to an HTML link to the given help
 $topic, where $topic corresponds to the name of a .tex file in  $topic, where $topic corresponds to the name of a .tex file in
Line 825  sub help_open_topic { Line 926  sub help_open_topic {
     if ($text ne "") {      if ($text ne "") {
  $template .=    $template .= 
             "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".              "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
             "<td bgcolor='#5555FF'><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";              "<td bgcolor='#5555FF'><span class=\"LC_nobreak\"><a target=\"_top\" href=\"$link\"><font color='#FFFFFF' size='2'>$text</font></a>";
     }      }
   
     # Add the graphic      # Add the graphic
     my $title = &mt('Online Help');      my $title = &mt('Online Help');
     my $helpicon=&lonhttpdurl("/adm/help/gif/smallHelp.gif");      my $helpicon=&lonhttpdurl("/adm/help/help.png");
     $template .= <<"ENDTEMPLATE";      $template .= <<"ENDTEMPLATE";
  <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>   <a target="_top" href="$link" title="$title"><img src="$helpicon" border="0" alt="(Help: $topic)" /></a>
 ENDTEMPLATE  ENDTEMPLATE
     if ($text ne '') { $template.='</td></tr></table>' };      if ($text ne '') { $template.='</span></td></tr></table>' };
     return $template;      return $template;
   
 }  }
Line 856  sub helpLatexCheatsheet { Line 957  sub helpLatexCheatsheet {
  .'</td><td>'.   .'</td><td>'.
  &Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),   &Apache::loncommon::help_open_topic("Other_Symbols",&mt('Other Symbols'),
     undef,undef,600)      undef,undef,600)
    .'</td><td>'.
    &Apache::loncommon::help_open_topic("Authoring_Output_Tags",&mt('Output Tags'),
                                       undef,undef,600)
  .'</td></tr></table>';   .'</td></tr></table>';
 }  }
   
Line 865  sub general_help { Line 969  sub general_help {
  $helptopic='Authoring_Intro';   $helptopic='Authoring_Intro';
     } elsif ($env{'request.role'}=~/^cc/) {      } elsif ($env{'request.role'}=~/^cc/) {
  $helptopic='Course_Coordination_Intro';   $helptopic='Course_Coordination_Intro';
       } elsif ($env{'request.role'}=~/^dc/) {
           $helptopic='Domain_Coordination_Intro';
     }      }
     return $helptopic;      return $helptopic;
 }  }
Line 1086  ENDTEMPLATE Line 1192  ENDTEMPLATE
   
 =pod  =pod
   
 =item * change_content_javascript():  =item * &change_content_javascript():
   
 This and the next function allow you to create small sections of an  This and the next function allow you to create small sections of an
 otherwise static HTML page that you can update on the fly with  otherwise static HTML page that you can update on the fly with
Line 1141  DOMBASED Line 1247  DOMBASED
   
 =pod  =pod
   
 =item * changable_area($name, $origContent):  =item * &changable_area($name,$origContent):
   
 This provides a "changable area" that can be modified on the fly via  This provides a "changable area" that can be modified on the fly via
 the Javascript code provided in C<change_content_javascript>. $name is  the Javascript code provided in C<change_content_javascript>. $name is
Line 1165  sub changable_area { Line 1271  sub changable_area {
   
 =pod  =pod
   
 =item * viewport_geometry_js {  =item * &viewport_geometry_js 
   
 Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.  Provides javascript object (Geometry) which can provide information about the viewport geometry for the client browser.
   
Line 1212  GEOMETRY Line 1318  GEOMETRY
   
 =pod  =pod
   
 =item * viewport_size_js {  =item * &viewport_size_js()
   
 Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window.   Provides a javascript function to set values of two form elements - width and height (elements are passed in as arguments to the javascript function) to the dimensions of the user's browser window. 
   
Line 1236  DIMS Line 1342  DIMS
   
 =pod  =pod
   
 =item * resize_textarea_js  =item * &resize_textarea_js()
   
 emits the needed javascript to resize a textarea to be as big as possible  emits the needed javascript to resize a textarea to be as big as possible
   
Line 1245  the id of the element to resize, second Line 1351  the id of the element to resize, second
 surrounds everything that comes after the textarea, this routine needs  surrounds everything that comes after the textarea, this routine needs
 to be attached to the <body> for the onload and onresize events.  to be attached to the <body> for the onload and onresize events.
   
   =back
   
 =cut  =cut
   
Line 1297  RESIZE Line 1404  RESIZE
   
 =pod  =pod
   
 =back  
    
 =head1 Excel and CSV file utility routines  =head1 Excel and CSV file utility routines
   
 =over 4  =over 4
Line 1310  RESIZE Line 1415  RESIZE
   
 =pod  =pod
   
 =item * csv_translate($text)   =item * &csv_translate($text) 
   
 Translate $text to allow it to be output as a 'comma separated values'   Translate $text to allow it to be output as a 'comma separated values' 
 format.  format.
Line 1331  sub csv_translate { Line 1436  sub csv_translate {
   
 =pod  =pod
   
 =item * define_excel_formats  =item * &define_excel_formats()
   
 Define some commonly used Excel cell formats.  Define some commonly used Excel cell formats.
   
Line 1387  sub define_excel_formats { Line 1492  sub define_excel_formats {
   
 =pod  =pod
   
 =item * create_workbook  =item * &create_workbook()
   
 Create an Excel worksheet.  If it fails, output message on the  Create an Excel worksheet.  If it fails, output message on the
 request object and return undefs.  request object and return undefs.
Line 1430  sub create_workbook { Line 1535  sub create_workbook {
   
 =pod  =pod
   
 =item * create_text_file  =item * &create_text_file()
   
 Create a file to write to and eventually make available to the user.  Create a file to write to and eventually make available to the user.
 If file creation fails, outputs an error message on the request object and   If file creation fails, outputs an error message on the request object and 
Line 1455  sub create_text_file { Line 1560  sub create_text_file {
     $fh = Apache::File->new('>/home/httpd'.$filename);      $fh = Apache::File->new('>/home/httpd'.$filename);
     if (! defined($fh)) {      if (! defined($fh)) {
         $r->log_error("Couldn't open $filename for output $!");          $r->log_error("Couldn't open $filename for output $!");
         $r->print("Problems occured in creating the output file.  ".          $r->print(&mt('Problems occurred in creating the output file. '
                   "This error has been logged.  ".                       .'This error has been logged. '
                   "Please alert your LON-CAPA administrator.");                       .'Please alert your LON-CAPA administrator.'));
     }      }
     return ($fh,$filename)      return ($fh,$filename)
 }  }
Line 1498  sub domain_select { Line 1603  sub domain_select {
   
 =over 4  =over 4
   
 =item * multiple_select_form($name,$value,$size,$hash,$order)  =item * &multiple_select_form($name,$value,$size,$hash,$order)
   
 Returns a string containing a <select> element int multiple mode  Returns a string containing a <select> element int multiple mode
   
Line 1548  sub multiple_select_form { Line 1653  sub multiple_select_form {
   
 =pod  =pod
   
 =item * select_form($defdom,$name,%hash)  =item * &select_form($defdom,$name,%hash)
   
 Returns a string containing a <select name='$name' size='1'> form to   Returns a string containing a <select name='$name' size='1'> form to 
 allow a user to select options from a hash option_name => displayed text.    allow a user to select options from a hash option_name => displayed text.  
Line 1635  sub select_level_form { Line 1740  sub select_level_form {
   
 =pod  =pod
   
 =item * select_dom_form($defdom,$name,$includeempty,$showdomdesc)  =item * &select_dom_form($defdom,$name,$includeempty,$showdomdesc)
   
 Returns a string containing a <select name='$name' size='1'> form to   Returns a string containing a <select name='$name' size='1'> form to 
 allow a user to select the domain to preform an operation in.    allow a user to select the domain to preform an operation in.  
Line 1675  sub select_dom_form { Line 1780  sub select_dom_form {
   
 =pod  =pod
   
 =item * home_server_form_item($domain,$name,$defaultflag)  =item * &home_server_form_item($domain,$name,$defaultflag)
   
 input: 4 arguments (two required, two optional) -   input: 4 arguments (two required, two optional) - 
     $domain - domain of new user      $domain - domain of new user
Line 1835  sub decode_user_agent { Line 1940  sub decode_user_agent {
   
 =over 4  =over 4
   
 =item * authform_xxxxxx  =item * &authform_xxxxxx()
   
 The authform_xxxxxx subroutines provide javascript and html forms which   The authform_xxxxxx subroutines provide javascript and html forms which 
 handle some of the conveniences required for authentication forms.    handle some of the conveniences required for authentication forms.  
 This is not an optimal method, but it works.    This is not an optimal method, but it works.  
   
 See loncreateuser.pm for invocation and use examples.  
   
 =over 4  =over 4
   
 =item * authform_header  =item * authform_header
Line 1859  See loncreateuser.pm for invocation and Line 1962  See loncreateuser.pm for invocation and
   
 =back  =back
   
 =back   See loncreateuser.pm for invocation and use examples.
   
 =cut  =cut
   
Line 2311  sub get_assignable_auth { Line 2414  sub get_assignable_auth {
 }  }
   
 ###############################################################  ###############################################################
 ##    Get Authentication Defaults for Domain                 ##  
 ###############################################################  
   
 =pod  
   
 =head1 Domains and Authentication  
   
 Returns default authentication type and an associated argument as  
 listed in file 'domain.tab'.  
   
 =over 4  
   
 =item * get_auth_defaults  
   
 get_auth_defaults($target_domain) returns the default authentication  
 type and an associated argument (initial password or a kerberos domain).  
 These values are stored in lonTabs/domain.tab  
   
 ($def_auth, $def_arg) = &get_auth_defaults($target_domain);  
   
 If target_domain is not found in domain.tab, returns nothing ('').  
   
 =cut  
   
 #-------------------------------------------  
 sub get_auth_defaults {  
     my $domain=shift;  
     return (&Apache::lonnet::domain($domain,'auth_def'),  
     &Apache::lonnet::domain($domain,'auth_arg_def'));  
       
 }  
 ###############################################################  
 ##   End Get Authentication Defaults for Domain              ##  
 ###############################################################  
   
 ###############################################################  
 ##    Get Kerberos Defaults for Domain                 ##  ##    Get Kerberos Defaults for Domain                 ##
 ###############################################################  ###############################################################
 ##  ##
Line 2358  sub get_auth_defaults { Line 2425  sub get_auth_defaults {
   
 =pod  =pod
   
 =item * get_kerberos_defaults  =item * &get_kerberos_defaults()
   
 get_kerberos_defaults($target_domain) returns the default kerberos  get_kerberos_defaults($target_domain) returns the default kerberos
 version and domain. If not found in domain.tabs, it defaults to  version and domain. If not found, it defaults to version 4 and the 
 version 4 and the domain of the server.  domain of the server.
   
   =over 4
   
 ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);  ($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
   
   =back
   
   =back
   
 =cut  =cut
   
 #-------------------------------------------  #-------------------------------------------
 sub get_kerberos_defaults {  sub get_kerberos_defaults {
     my $domain=shift;      my $domain=shift;
     my ($krbdef,$krbdefdom) =      my ($krbdef,$krbdefdom);
         &Apache::loncommon::get_auth_defaults($domain);      my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
     unless ($krbdef =~/^krb/ && $krbdefdom) {      if (($domdefaults{'auth_def'} =~/^krb(4|5)$/) && ($domdefaults{'auth_arg_def'} ne '')) {
           $krbdef = $domdefaults{'auth_def'};
           $krbdefdom = $domdefaults{'auth_arg_def'};
       } else {
         $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;          $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
         my $krbdefdom=$1;          my $krbdefdom=$1;
         $krbdefdom=~tr/a-z/A-Z/;          $krbdefdom=~tr/a-z/A-Z/;
Line 2382  sub get_kerberos_defaults { Line 2458  sub get_kerberos_defaults {
     return ($krbdef,$krbdefdom);      return ($krbdef,$krbdefdom);
 }  }
   
 =pod  
   
 =back  
   
 =cut  
   
 ###############################################################  ###############################################################
 ##                Thesaurus Functions                        ##  ##                Thesaurus Functions                        ##
Line 2398  sub get_kerberos_defaults { Line 2469  sub get_kerberos_defaults {
   
 =over 4  =over 4
   
 =item * initialize_keywords  =item * &initialize_keywords()
   
 Initializes the package variable %Keywords if it is empty.  Uses the  Initializes the package variable %Keywords if it is empty.  Uses the
 package variable $thesaurus_db_file.  package variable $thesaurus_db_file.
Line 2443  sub initialize_keywords { Line 2514  sub initialize_keywords {
   
 =pod  =pod
   
 =item * keyword($word)  =item * &keyword($word)
   
 Returns true if $word is a keyword.  A keyword is a word that appears more   Returns true if $word is a keyword.  A keyword is a word that appears more 
 than the average number of times in the thesaurus database.  Calls   than the average number of times in the thesaurus database.  Calls 
Line 2464  sub keyword { Line 2535  sub keyword {
   
 =pod   =pod 
   
 =item * get_related_words  =item * &get_related_words()
   
 Look up a word in the thesaurus.  Takes a scalar argument and returns  Look up a word in the thesaurus.  Takes a scalar argument and returns
 an array of words.  If the keyword is not in the thesaurus, an empty array  an array of words.  If the keyword is not in the thesaurus, an empty array
Line 2522  sub get_related_words { Line 2593  sub get_related_words {
   
 =over 4  =over 4
   
 =item * plainname($uname,$udom,$first)  =item * &plainname($uname,$udom,$first)
   
 Takes a users logon name and returns it as a string in  Takes a users logon name and returns it as a string in
 "first middle last generation" form   "first middle last generation" form 
Line 2551  sub plainname { Line 2622  sub plainname {
 # -------------------------------------------------------------------- Nickname  # -------------------------------------------------------------------- Nickname
 =pod  =pod
   
 =item * nickname($uname,$udom)  =item * &nickname($uname,$udom)
   
 Gets a users name and returns it as a string as  Gets a users name and returns it as a string as
   
Line 2601  sub getnames { Line 2672  sub getnames {
 }  }
   
 # -------------------------------------------------------------------- getemails  # -------------------------------------------------------------------- getemails
   
 =pod  =pod
   
 =item * getemails($uname,$udom)  =item * &getemails($uname,$udom)
   
 Gets a user's email information and returns it as a hash with keys:  Gets a user's email information and returns it as a hash with keys:
 notification, critnotification, permanentemail  notification, critnotification, permanentemail
   
 For notification and critnotification, values are comma-separated lists   For notification and critnotification, values are comma-separated lists 
 of e-mail address(es); for permanentemail, value is a single e-mail address.  of e-mail addresses; for permanentemail, value is a single e-mail address.
     
   
 =cut  =cut
   
   
 sub getemails {  sub getemails {
     my ($uname,$udom)=@_;      my ($uname,$udom)=@_;
     if ($udom eq 'public' && $uname eq 'public') {      if ($udom eq 'public' && $uname eq 'public') {
Line 2647  sub flush_email_cache { Line 2721  sub flush_email_cache {
   
 =pod  =pod
   
 =item * screenname($uname,$udom)  =item * &screenname($uname,$udom)
   
 Gets a users screenname and returns it as a string  Gets a users screenname and returns it as a string
   
Line 2743  sub student_image_tag { Line 2817  sub student_image_tag {
   
 =over 4  =over 4
   
 =item * languageids()   =item * &languageids() 
   
 returns list of all language ids  returns list of all language ids
   
Line 2755  sub languageids { Line 2829  sub languageids {
   
 =pod  =pod
   
 =item * languagedescription()   =item * &languagedescription() 
   
 returns description of a specified language id  returns description of a specified language id
   
Line 2780  sub supportedlanguagecode { Line 2854  sub supportedlanguagecode {
   
 =pod  =pod
   
 =item * copyrightids()   =item * &copyrightids() 
   
 returns list of all copyrights  returns list of all copyrights
   
Line 2792  sub copyrightids { Line 2866  sub copyrightids {
   
 =pod  =pod
   
 =item * copyrightdescription()   =item * &copyrightdescription() 
   
 returns description of a specified copyright id  returns description of a specified copyright id
   
Line 2804  sub copyrightdescription { Line 2878  sub copyrightdescription {
   
 =pod  =pod
   
 =item * source_copyrightids()   =item * &source_copyrightids() 
   
 returns list of all source copyrights  returns list of all source copyrights
   
Line 2816  sub source_copyrightids { Line 2890  sub source_copyrightids {
   
 =pod  =pod
   
 =item * source_copyrightdescription()   =item * &source_copyrightdescription() 
   
 returns description of a specified source copyright id  returns description of a specified source copyright id
   
Line 2828  sub source_copyrightdescription { Line 2902  sub source_copyrightdescription {
   
 =pod  =pod
   
 =item * filecategories()   =item * &filecategories() 
   
 returns list of all file categories  returns list of all file categories
   
Line 2840  sub filecategories { Line 2914  sub filecategories {
   
 =pod  =pod
   
 =item * filecategorytypes()   =item * &filecategorytypes() 
   
 returns list of file types belonging to a given file  returns list of file types belonging to a given file
 category  category
Line 2854  sub filecategorytypes { Line 2928  sub filecategorytypes {
   
 =pod  =pod
   
 =item * fileembstyle()   =item * &fileembstyle() 
   
 returns embedding style for a specified file type  returns embedding style for a specified file type
   
Line 2878  sub filecategoryselect { Line 2952  sub filecategoryselect {
   
 =pod  =pod
   
 =item * filedescription()   =item * &filedescription() 
   
 returns description for a specified file type  returns description for a specified file type
   
Line 2892  sub filedescription { Line 2966  sub filedescription {
   
 =pod  =pod
   
 =item * filedescriptionex()   =item * &filedescriptionex() 
   
 returns description for a specified file type with  returns description for a specified file type with
 extra formatting  extra formatting
Line 2924  sub fileextensions { Line 2998  sub fileextensions {
   
 sub display_languages {  sub display_languages {
     my %languages=();      my %languages=();
     foreach my $lang (&preferred_languages()) {      foreach my $lang (&Apache::lonlocal::preferred_languages()) {
  $languages{$lang}=1;   $languages{$lang}=1;
     }      }
     &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);      &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
Line 2936  sub display_languages { Line 3010  sub display_languages {
     return %languages;      return %languages;
 }  }
   
 sub preferred_languages {  
     my @languages=();  
     if ($env{'course.'.$env{'request.course.id'}.'.languages'}) {  
  @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,  
          $env{'course.'.$env{'request.course.id'}.'.languages'}));  
     }  
     if ($env{'environment.languages'}) {  
  @languages=(@languages,  
     split(/\s*(\,|\;|\:)\s*/,$env{'environment.languages'}));  
     }  
     my $browser=$ENV{'HTTP_ACCEPT_LANGUAGE'};  
     if ($browser) {  
  my @browser =   
     map { (split(/\s*;\s*/,$_))[0] } (split(/\s*,\s*/,$browser));  
  push(@languages,@browser);  
     }  
     if (&Apache::lonnet::domain($env{'user.domain'},'lang_def')) {  
  @languages=(@languages,  
     &Apache::lonnet::domain($env{'user.domain'},  
     'lang_def'));  
     }  
     if (&Apache::lonnet::domain($env{'request.role.domain'},'lang_def')) {  
  @languages=(@languages,  
     &Apache::lonnet::domain($env{'request.role.domain'},  
     'lang_def'));  
     }  
     if (&Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},  
  'lang_def')) {  
  @languages=(@languages,  
     &Apache::lonnet::domain($Apache::lonnet::perlvar{'lonDefDomain'},  
     'lang_def'));  
     }  
 # turn "en-ca" into "en-ca,en"  
     my @genlanguages;  
     foreach my $lang (@languages) {  
  unless ($lang=~/\w/) { next; }  
  push(@genlanguages,$lang);  
  if ($lang=~/(\-|\_)/) {  
     push(@genlanguages,(split(/(\-|\_)/,$lang))[0]);  
  }  
     }  
     #uniqueify the languages list  
     my %count;  
     @genlanguages = map { $count{$_}++ == 0 ? $_ : () } @genlanguages;  
     return @genlanguages;  
 }  
   
 sub languages {  sub languages {
     my ($possible_langs) = @_;      my ($possible_langs) = @_;
     my @preferred_langs = &preferred_languages();      my @preferred_langs = &Apache::lonlocal::preferred_languages();
     if (!ref($possible_langs)) {      if (!ref($possible_langs)) {
  if( wantarray ) {   if( wantarray ) {
     return @preferred_langs;      return @preferred_langs;
Line 3016  sub languages { Line 3043  sub languages {
   
 =over 4  =over 4
   
 =item * get_previous_attempt($symb, $username, $domain, $course,  =item * &get_previous_attempt($symb, $username, $domain, $course,
     $getattempt, $regexp, $gradesub)      $getattempt, $regexp, $gradesub)
   
 Return string with previous attempt on problem. Arguments:  Return string with previous attempt on problem. Arguments:
Line 3160  sub relative_to_absolute { Line 3187  sub relative_to_absolute {
   
 =pod  =pod
   
 =item * get_student_view  =item * &get_student_view()
   
 show a snapshot of what student was looking at  show a snapshot of what student was looking at
   
Line 3189  sub get_student_view { Line 3216  sub get_student_view {
   $userview=~s/action\s*\=/would_be_action\=/gi;    $userview=~s/action\s*\=/would_be_action\=/gi;
   $userview=&relative_to_absolute($feedurl,$userview);    $userview=&relative_to_absolute($feedurl,$userview);
   if (wantarray) {    if (wantarray) {
       return ($userview,$response);       return ($userview,$response);
   } else {    } else {
       return $userview;       return $userview;
   }    }
 }  }
   
 sub get_student_view_with_retries {  sub get_student_view_with_retries {
     my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_;    my ($symb,$retries,$username,$domain,$courseid,$target,$moreenv) = @_;
   
     my $ok = 0;                 # True if we got a good response.      my $ok = 0;                 # True if we got a good response.
     my $content;      my $content;
Line 3205  sub get_student_view_with_retries { Line 3232  sub get_student_view_with_retries {
     # Try to get the student_view done. within the retries count:      # Try to get the student_view done. within the retries count:
           
     do {      do {
         ($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv);           ($content, $response) = &get_student_view($symb,$username,$domain,$courseid,$target,$moreenv);
         $ok = $response->is_success;           $ok      = $response->is_success;
         if (!$ok) {           if (!$ok) {
             &Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message);              &Apache::lonnet::logthis("Failed get_student_view_with_retries on $symb: ".$response->is_success.', '.$response->code.', '.$response->message);
         }           }
         $retries--;           $retries--;
     } while (!$ok && ($retries > 0));      } while (!$ok && ($retries > 0));
           
     if (!$ok) {      if (!$ok) {
         $content = '';          # On error return an empty content.         $content = '';          # On error return an empty content.
     }      }
     if (wantarray) {      if (wantarray) {
         return ($content, $response);         return ($content, $response);
     } else {      } else {
         return $content;         return $content;
     }      }
 }  }
   
 =pod  =pod
   
 =item * get_student_answers()   =item * &get_student_answers() 
   
 show a snapshot of how student was answering problem  show a snapshot of how student was answering problem
   
Line 3329  sub pprmlink { Line 3356  sub pprmlink {
   
   
 sub timehash {  sub timehash {
     my @ltime=localtime(shift);      my ($thistime) = @_;
     return ( 'seconds' => $ltime[0],      my $timezone = &Apache::lonlocal::gettimezone();
              'minutes' => $ltime[1],      my $dt = DateTime->from_epoch(epoch => $thistime)
              'hours'   => $ltime[2],                       ->set_time_zone($timezone);
              'day'     => $ltime[3],      my $wday = $dt->day_of_week();
              'month'   => $ltime[4]+1,      if ($wday == 7) { $wday = 0; }
              'year'    => $ltime[5]+1900,      return ( 'second' => $dt->second(),
              'weekday' => $ltime[6],               'minute' => $dt->minute(),
              'dayyear' => $ltime[7]+1,               'hour'   => $dt->hour(),
              'dlsav'   => $ltime[8] );               'day'     => $dt->day_of_month(),
                'month'   => $dt->month(),
                'year'    => $dt->year(),
                'weekday' => $wday,
                'dayyear' => $dt->day_of_year(),
                'dlsav'   => $dt->is_dst() );
 }  }
   
 sub utc_string {  sub utc_string {
Line 3348  sub utc_string { Line 3380  sub utc_string {
   
 sub maketime {  sub maketime {
     my %th=@_;      my %th=@_;
       my ($epoch_time,$timezone,$dt);
       $timezone = &Apache::lonlocal::gettimezone();
       eval {
           $dt = DateTime->new( year   => $th{'year'},
                                month  => $th{'month'},
                                day    => $th{'day'},
                                hour   => $th{'hour'},
                                minute => $th{'minute'},
                                second => $th{'second'},
                                time_zone => $timezone,
                            );
       };
       if (!$@) {
           $epoch_time = $dt->epoch;
           if ($epoch_time) {
               return $epoch_time;
           }
       }
     return POSIX::mktime(      return POSIX::mktime(
         ($th{'seconds'},$th{'minutes'},$th{'hours'},          ($th{'seconds'},$th{'minutes'},$th{'hours'},
          $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));           $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,-1));
Line 3728  sub blocking_status { Line 3778  sub blocking_status {
   
 ###############################################  ###############################################
   
   sub check_ip_acc {
       my ($acc)=@_;
       &Apache::lonxml::debug("acc is $acc");
       if (!defined($acc) || $acc =~ /^\s*$/ || $acc =~/^\s*no\s*$/i) {
           return 1;
       }
       my $allowed=0;
       my $ip=$env{'request.host'} || $ENV{'REMOTE_ADDR'};
   
       my $name;
       foreach my $pattern (split(',',$acc)) {
           $pattern =~ s/^\s*//;
           $pattern =~ s/\s*$//;
           if ($pattern =~ /\*$/) {
               #35.8.*
               $pattern=~s/\*//;
               if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
           } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {
               #35.8.3.[34-56]
               my $low=$2;
               my $high=$3;
               $pattern=$1;
               if ($ip =~ /^\Q$pattern\E/) {
                   my $last=(split(/\./,$ip))[3];
                   if ($last <=$high && $last >=$low) { $allowed=1; }
               }
           } elsif ($pattern =~ /^\*/) {
               #*.msu.edu
               $pattern=~s/\*//;
               if (!defined($name)) {
                   use Socket;
                   my $netaddr=inet_aton($ip);
                   ($name)=gethostbyaddr($netaddr,AF_INET);
               }
               if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
           } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
               #127.0.0.1
               if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
           } else {
               #some.name.com
               if (!defined($name)) {
                   use Socket;
                   my $netaddr=inet_aton($ip);
                   ($name)=gethostbyaddr($netaddr,AF_INET);
               }
               if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
           }
           if ($allowed) { last; }
       }
       return $allowed;
   }
   
   ###############################################
   
 =pod  =pod
   
 =head1 Domain Template Functions  =head1 Domain Template Functions
Line 3776  sub get_domainconf { Line 3880  sub get_domainconf {
         if (ref($domconfig{'login'}) eq 'HASH') {          if (ref($domconfig{'login'}) eq 'HASH') {
             if (keys(%{$domconfig{'login'}})) {              if (keys(%{$domconfig{'login'}})) {
                 foreach my $key (keys(%{$domconfig{'login'}})) {                  foreach my $key (keys(%{$domconfig{'login'}})) {
                     $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};                      if (ref($domconfig{'login'}{$key}) eq 'HASH') {
                           foreach my $img (keys(%{$domconfig{'login'}{$key}})) {
                               $designhash{$udom.'.login.'.$key.'_'.$img} = 
                                   $domconfig{'login'}{$key}{$img};
                           }
                       } else {
                           $designhash{$udom.'.login.'.$key}=$domconfig{'login'}{$key};
                       }
                 }                  }
             } else {              } else {
                 $legacy{'login'} = 1;                  $legacy{'login'} = 1;
Line 4107  ENDROLE Line 4218  ENDROLE
     $titleinfo =       $titleinfo = 
  &Apache::loncommon::help_open_menu('','',3,'Authoring')   &Apache::loncommon::help_open_menu('','',3,'Authoring')
  .'<b>'.&mt('Construction Space').'</b>:&nbsp;'   .'<b>'.&mt('Construction Space').'</b>:&nbsp;'
  .'<form name="dirs" method="post" action="'.$formaction.'"'   .'<form name="dirs" method="post" action="'.$formaction
  .' target="_top"><tt><b>'   .'" target="_top"><tt><b>'
  .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"   .&Apache::lonhtmlcommon::crumbs($uname.'/'.$parentpath,'_top','/priv','','+1',1)."<font size=\"+1\">$lastitem</font></b></tt><br />"
  .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')   .&Apache::lonhtmlcommon::select_recent('construct','recent','this.form.action=this.form.recent.value;this.form.submit()')
  .'</form>'   .'</form>'
Line 4300  sub standard_css { Line 4411  sub standard_css {
     my $mail_other_hover     = '#669999';      my $mail_other_hover     = '#669999';
     my $table_header         = '#DDDDDD';      my $table_header         = '#DDDDDD';
     my $feedback_link_bg     = '#BBBBBB';      my $feedback_link_bg     = '#BBBBBB';
       my $lg_border_color     = '#C8C8C8';
   
     my $border = ($env{'browser.type'} eq 'explorer' ||      my $border = ($env{'browser.type'} eq 'explorer' ||
   $env{'browser.type'} eq 'safari'     ) ? '0px 2px 0px 2px'    $env{'browser.type'} eq 'safari'     ) ? '0px 2px 0px 2px'
Line 4307  sub standard_css { Line 4419  sub standard_css {
   
   
     return <<END;      return <<END;
 h1, h2, h3, th { font-family: $sans }  body{
        font-family: $sans;
        line-height:130%;
        font-size:0.83em;
        color:$font;
     }
   a:link, a:visited { font-size:100%; }
   
 a:focus { color: red; background: yellow }   a:focus { color: red; background: yellow } 
 table.thinborder,  table.thinborder,
   
 table.thinborder tr th {  table.thinborder tr th {
   border-style: solid;    border-style: solid;
   border-width: 1px;    border-width: 1px;
     border-color: $lg_border_color;
   background: $tabbg;    background: $tabbg;
 }  }
 table.thinborder tr td {  table.thinborder tr td {
   border-style: solid;    border-style: solid;
   border-width: 1px    border-width: 1px;
     border-color: $lg_border_color;
 }  }
   
 form, .inline { display: inline; }  form, .inline { display: inline; }
 .center { text-align: center; }  .center { text-align: center; }
   .left { text-align:left; }
   .right {text-align:right;}
   .middle {vertical-align:middle;}
   .top {vertical-align:top;}
   .bottom {vertical-align:bottom;}
 .LC_filename {font-family: $mono; white-space:pre;}  .LC_filename {font-family: $mono; white-space:pre;}
 .LC_error {  .LC_error {
   color: red;    color: red;
Line 4384  table#LC_title_bar.LC_with_remote { Line 4509  table#LC_title_bar.LC_with_remote {
   border-collapse: collapse;    border-collapse: collapse;
   padding: 0px;    padding: 0px;
 }  }
   
 table.LC_docs_path {  table.LC_docs_path {
   width: 100%;    width: 100%;
   border: 0;    border: 0;
Line 4474  table.LC_docs_path td.LC_docs_path_compo Line 4598  table.LC_docs_path td.LC_docs_path_compo
 td.LC_table_cell_checkbox {  td.LC_table_cell_checkbox {
   text-align: center;    text-align: center;
 }  }
   
 table#LC_mainmenu td.LC_mainmenu_column {  table#LC_mainmenu td.LC_mainmenu_column {
     vertical-align: top;      vertical-align: top;
 }  }
Line 4482  table#LC_mainmenu td.LC_mainmenu_column Line 4605  table#LC_mainmenu td.LC_mainmenu_column
 .LC_menubuttons_inline_text {  .LC_menubuttons_inline_text {
   color: $font;    color: $font;
   font-family: $sans;    font-family: $sans;
   font-size: smaller;    font-size: 90%;
     padding-left:3px;
 }  }
   
 .LC_menubuttons_link {  .LC_menubuttons_link {
   text-decoration: none;    text-decoration: none;
 }  }
   /*2008--9-5: new menu style sheet.Changed category*/
 .LC_menubuttons_category {  .LC_menubuttons_category {
   color: $font;    color: $font;
   background: $pgbg;    background: $pgbg;
Line 4498  table#LC_mainmenu td.LC_mainmenu_column Line 4622  table#LC_mainmenu td.LC_mainmenu_column
 }  }
   
 td.LC_menubuttons_text {  td.LC_menubuttons_text {
   width: 90%;    color: $font;
   color: $font;  
   font-family: $sans;  
 }  }
   
 td.LC_menubuttons_img {  td.LC_menubuttons_img {
 }  }
   
Line 4555  td.LC_menubuttons_img { Line 4676  td.LC_menubuttons_img {
   text-align: right;    text-align: right;
 }  }
   
   .LC_roleslog_note {
     font-size: small;
   }
   
 table.LC_aboutme_port {  table.LC_aboutme_port {
   border: 0px;    border: 0px;
   border-collapse: collapse;    border-collapse: collapse;
Line 4585  table.LC_data_table tr th, table.LC_cale Line 4710  table.LC_data_table tr th, table.LC_cale
 table.LC_prior_tries tr th {  table.LC_prior_tries tr th {
   font-weight: bold;    font-weight: bold;
   background-color: $data_table_head;    background-color: $data_table_head;
   font-size: smaller;    font-size:90%;
 }  }
 table.LC_data_table tr.LC_odd_row > td,   table.LC_data_table tr.LC_odd_row > td, 
 table.LC_aboutme_port tr td {  table.LC_aboutme_port tr td {
Line 4617  table.LC_nested tr.LC_empty_row td { Line 4742  table.LC_nested tr.LC_empty_row td {
 table.LC_nested_outer tr th {  table.LC_nested_outer tr th {
   font-weight: bold;    font-weight: bold;
   background-color: $data_table_head;    background-color: $data_table_head;
   font-size: smaller;    font-size: small;
   border-bottom: 1px solid #000000;    border-bottom: 1px solid #000000;
 }  }
 table.LC_nested_outer tr td.LC_subheader {  table.LC_nested_outer tr td.LC_subheader {
Line 4656  table.LC_createuser { Line 4781  table.LC_createuser {
 }  }
   
 table.LC_createuser tr.LC_section_row td {  table.LC_createuser tr.LC_section_row td {
   font-size: smaller;    font-size: small;
 }  }
   
 table.LC_createuser tr.LC_info_row td  {  table.LC_createuser tr.LC_info_row td  {
Line 4712  table.LC_mail_list tr.LC_mail_even { Line 4837  table.LC_mail_list tr.LC_mail_even {
 table.LC_mail_list tr.LC_mail_odd {  table.LC_mail_list tr.LC_mail_odd {
 }  }
   
   
 table#LC_portfolio_actions {  
   width: auto;  
   background: $pgbg;  
   border: 0px;  
   border-spacing: 2px 2px;  
   padding: 0px;  
   margin: 0px;  
   border-collapse: separate;  
 }  
 table#LC_portfolio_actions td.LC_label {  
   background: $tabbg;  
   text-align: right;  
 }  
 table#LC_portfolio_actions td.LC_value {  
   background: $tabbg;  
 }  
   
 table#LC_cstr_controls {  table#LC_cstr_controls {
   width: 100%;    width: 100%;
   border-collapse: collapse;    border-collapse: collapse;
Line 4748  table#LC_cstr_controls tr th { Line 4855  table#LC_cstr_controls tr th {
   font-size: smaller;    font-size: smaller;
 }  }
   
 table#LC_browser {  table.LC_data_table tr > td.LC_browser_file,
    table.LC_data_table tr > td.LC_browser_file_published {
 }  
 table#LC_browser tr th {  
   background: $table_header;  
 }  
 table#LC_browser tr td {  
   padding: 2px;  
 }  
 table#LC_browser tr.LC_browser_file,  
 table#LC_browser tr.LC_browser_file_published {  
   background: #CCFF88;    background: #CCFF88;
 }  }
 table#LC_browser tr.LC_browser_file_locked,  table.LC_data_table tr > td.LC_browser_file_locked,
 table#LC_browser tr.LC_browser_file_unpublished {  table.LC_data_table tr > td.LC_browser_file_unpublished {
   background: #FFAA99;    background: #FFAA99;
 }  }
 table#LC_browser tr.LC_browser_file_obsolete {  table.LC_data_table tr > td.LC_browser_file_obsolete {
   background: #AAAAAA;    background: #AAAAAA;
 }  }
 table#LC_browser tr.LC_browser_file_modified,  table.LC_data_table tr > td.LC_browser_file_modified,
 table#LC_browser tr.LC_browser_file_metamodified {  table.LC_data_table tr > td.LC_browser_file_metamodified {
   background: #FFFF77;    background: #FFFF77;
 }  }
 table#LC_browser tr.LC_browser_folder {  table.LC_data_table tr.LC_browser_folder > td {
   background: #CCCCFF;    background: #CCCCFF;
 }  }
   
 span.LC_current_location {  span.LC_current_location {
   font-size: x-large;    font-size:larger;
   background: $pgbg;    background: $pgbg;
 }  }
   
Line 4878  table.LC_pick_box td.LC_pick_box_title { Line 4977  table.LC_pick_box td.LC_pick_box_title {
   width: 184px;    width: 184px;
   padding: 8px;    padding: 8px;
 }  }
   table.LC_pick_box td.LC_selfenroll_pick_box_title {
     background: $tabbg;
     font-weight: bold;
     text-align: right;
     width: 350px;
     padding: 8px;
   }
   
 table.LC_pick_box td.LC_pick_box_value {  table.LC_pick_box td.LC_pick_box_value {
   text-align: left;    text-align: left;
   padding: 8px;    padding: 8px;
Line 5276  table.LC_scantron_action { Line 5383  table.LC_scantron_action {
   width: 100%;    width: 100%;
 }  }
 table.LC_scantron_action tr th {  table.LC_scantron_action tr th {
   font: normal bold $sans;    font-weight:bold;
     font-style:normal;
 }  }
   .LC_edit_problem_header, 
 div.LC_edit_problem_header,   
 div.LC_edit_problem_footer {  div.LC_edit_problem_footer {
   font: normal medium $sans;    font: normal medium $sans;
   margin: 2px;    margin: 2px;
Line 5329  hr.LC_edit_problem_divide { Line 5436  hr.LC_edit_problem_divide {
   height: 3px;    height: 3px;
   border: 0px;    border: 0px;
 }  }
   img.stift{
     border-width:0;
     vertical-align:middle;
   }
   
   table#LC_mainmenu{
    margin-top:10px;
    width:80%;
   
   }
   
   table#LC_mainmenu td.LC_mainmenu_col_fieldset{
     vertical-align: top;
     width: 45%;
   }
   .LC_mainmenu_fieldset_category {
     color: $font;
     background: $pgbg;
     font-family: $sans;
     font-size: small;
     font-weight: bold;
   }
   fieldset#LC_mainmenu_fieldset {
     margin:0px 10px 10px 0px;
   
   }
   /* ---- Remove when done ----
   # The following styles is part of the redesign of LON-CAPA and are
   # subject to change during this project.
   # Don't rely on their current functionality as they might be 
   # changed or removed.
   # --------------------------*/
   
   a:hover,
   ol.smallMenu a:hover,
   ol#MenuBreadcrumbs a:hover,
   ul#TabMainMenuContent a:hover,
   .FormSectionClearButton input:hover{
    color:#BF2317;
           text-decoration:none;
   }
   
   h1 { 
    padding:5px 10px 5px 0px;
    line-height:130%;
   }
   
   h2,h3,h4,h5,h6
   {
   margin:5px 0px 5px 0px;
   line-height:130%;
   }
   .hcell{
           padding:3px 15px 3px 15px;
           margin:0px;
    background-color:$pgbg;
    background-color:$ border-bottom:solid 1px $lg_border_color;       
   }
   .noBorder {
           border:0px;
   }
   /*
   .bgLightGrey { background:URL(images/TabMenuBG.png) repeat-x left top; }
   .bgLightGreyYellow {background-color:#EFECE0;}
   */
   
   
   /* Main Header with discription of Person, Course, etc. */
   .HeadRight {
    text-align: right;
    float: right;
    margin: 0px;
    padding: 0px;
           right:0;
           position:absolute;
           overflow:hidden;
   }
   
   p {
    padding: 10px;
   
   }
   .FormSectionClearButton input {
           background-color:transparent;
           border:0px;
           cursor:pointer;
           text-decoration:underline;
   }
   
   
   dl,ul,div,fieldset {
    margin: 10px 10px 10px 0px;
    overflow:hidden;
   }
   ol.smallMenu {
    margin: 0px;
   }
   
   ol.smallMenu li {
    display: inline;
    padding: 5px 5px 0px 10px;
    vertical-align: top;
   }
   
   ol.smallMenu li img {
    vertical-align: bottom;
   }
   
   ol.smallMenu a {
    font-size: 90%;
    color: RGB(80, 80, 80);
    text-decoration: none;
   }
   
   ol#TabMainMenuContent {
   
    margin: 0px 0px 10px 0px;
    padding: 0px;
   }
   
   ol#TabMainMenuContent li {
    display: inline;
    vertical-align: bottom;
    border-bottom: solid 1px RGB(175, 175, 175);
    border-right: solid 1px RGB(175, 175, 175);
    padding: 5px 15px 5px 15px;
    margin-right:4px;
    line-height: 140%;
    font-weight: bold;
    overflow:hidden;
   /* background: RGB(211, 206, 205) URL(images/TabMenuBG.png) repeat-x left top;*/
   }
   
   ol#TabMainMenuContent li a{
    color: RGB(47, 47, 47);
    text-decoration: none;
   }
   
   ol#TabMainMenuContent div.columnSection {
    margin-bottom: 0px;
   }
   
   ol#MenuBreadcrumbs, ol#PathBreadcrumbs {
    border-top: solid 1px RGB(255, 255, 255);
    height: 20px;
    line-height: 20px;
    vertical-align: bottom;
    margin: 0px 0px 30px 0px;
    padding-left: 10px;
    list-style-position: inside;
   /* background: RGB(211, 206, 205) URL(images/TabMenuBG.png) repeat-x left
    top;*/
   }
   
   ol#MenuBreadcrumbs li, ol#PathBreadcrumbs li {
   /* background: url(images/pfeil_white.png) no-repeat left center;*/
    display: inline;
    padding: 0px 0px 0px 10px;
    vertical-align: bottom;
    overflow:hidden;
   }
   
   ol#MenuBreadcrumbs li a {
    text-decoration: none;
    font-size:90%;
   }
   ol#PathBreadcrumbs li a{
    text-decoration:none;
    font-size:100%;
    font-weight:bold;
   }
   
   .ContentBoxSpecial
   {
    border: solid 1px $lg_border_color;
   }
   .ContentBox {
    padding:10px;
   }
   .PopUp
   {
    padding:10px;
    border-left:solid 1px $lg_border_color;
     border-top:solid 1px $lg_border_color;
    border-bottom:outset 1px $lg_border_color;
    border-right:outset 1px $lg_border_color;
    display:none;
    position:absolute;
    right:0;
    background-color:white;
    z-index:5;
   }
   
   dl.ListStyleClean dt {
    padding-right: 5px;
    display: table-header-group;
   }
   
   dl.ListStyleClean dd {
    display: table-row;
   }
   
   .ListStyleClean,
   .ListStyleSimple,
   .ListStyleNormal,
   .ListStyleNormal_Border,
   .ListStyleSpecial
    {
    /*display:block; */
    list-style-position: inside;
    list-style-type: none;
    overflow: hidden;
    padding: 0px;
   }
   
   .ListStyleSimple li,
   .ListStyleSimple dd,
   .ListStyleNormal li,
   .ListStyleNormal dd,
   .ListStyleSpecial li,
   .ListStyleSpecial dd
    {
    margin: 0px;
    padding: 5px 5px 5px 10px;
    clear: both;
   }
   
   .ListStyleClean li,
   .ListStyleClean dd {
    padding-top: 0px;
    padding-bottom: 0px;
   }
   
   .ListStyleSimple dd,
   .ListStyleSimple li{
    border-bottom: solid 1px $lg_border_color;
   }
   
   .ListStyleSpecial li,
   .ListStyleSpecial dd {
    list-style-type: none;
    background-color: RGB(220, 220, 220);
    margin-bottom: 4px;
   }
   
   table.SimpleTable {
    margin:5px;
    border:solid 1px $lg_border_color;
    }
   
   table.SimpleTable tr {
    padding:0px;
    border:solid 1px $lg_border_color;
   }
   table.SimpleTable thead{
    background:rgb(220,220,220);
   }
   
   div.columnSection {
    display: block;
    clear: both;
    overflow: hidden;
    margin:0px;
   }
   
   div.columnSection>* {
    float: left;
    margin: 10px 20px 10px 0px;
    overflow:hidden;
   }
   div.columnSection > .ContentBox,
   div.columnSection > .ContentBoxSpecial
    {
    width: 400px;
   
   }
   
   .LC_loginpage_container {
    text-align:left;
    margin : 0 auto;
    width:65%;
    padding: 10px;
    height: auto;
    background-color:#FFFFFF;
    border:1px solid #CCCCCC;
   }
   
   
   .LC_loginpage_loginContainer {
    float:left;
    width:60%;
   }
   
   .LC_loginpage_loginInfo {
    margin-top:20px;
    margin-left:20px;
    float:left;
    width:30%;
    border:1px solid #CCCCCC;
    padding:10px;
   }
   
   .LC_loginpage_space {
    clear:both;
    margin-bottom:20px;
    border-bottom: 1px solid #CCCCCC;
   }
   
   .LC_loginpage_fieldset{
    border: 1px solid #CCCCCC;
    margin: 0 auto;
   }
   
   .LC_loginpage_legend{
    padding: 2px;
    margin: 0px;
    font-size:14px;
    font-weight:bold;
   }
   
   
   
 END  END
 }  }
   
Line 5422  Inputs: none Line 5851  Inputs: none
   
 sub font_settings {  sub font_settings {
     my $headerstring='';      my $headerstring='';
     if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {       if (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
  $headerstring.=  
     '<meta Content-Type="text/html; charset=x-mac-roman" />';  
     } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {  
  $headerstring.=   $headerstring.=
     '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';      '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
     }      }
Line 5484  sub endheadtag { Line 5910  sub endheadtag {
   
 Returns a uniform complete <head>..</head> section for LON-CAPA web pages.  Returns a uniform complete <head>..</head> section for LON-CAPA web pages.
   
 Inputs: $title - optional title for the page  Inputs:
         $head_extra - optional extra HTML to put inside the <head>  
   =over 4
   
   $title - optional title for the page
   
   $head_extra - optional extra HTML to put inside the <head>
   
   =back
   
 =cut  =cut
   
Line 5500  sub head { Line 5933  sub head {
   
 Returns a complete <html> .. <body> section for LON-CAPA web pages.  Returns a complete <html> .. <body> section for LON-CAPA web pages.
   
 Inputs: $title - optional title for the page  Inputs:
         $head_extra - optional extra HTML to incude inside the <head>  
         $args - additional optional args supported are:  =over 4
                   only_body      -> is true will set &bodytag() onlybodytag  
   $title - optional title for the page
   
   $head_extra - optional extra HTML to incude inside the <head>
   
   $args - additional optional args supported are:
   
   =over 8
   
                only_body      -> is true will set &bodytag() onlybodytag
                                     arg on                                      arg on
                   no_nav_bar     -> is true will set &bodytag() notopbar arg on               no_nav_bar     -> is true will set &bodytag() notopbar arg on
                   add_entries    -> additional attributes to add to the  <body>               add_entries    -> additional attributes to add to the  <body>
                   domain         -> force to color decorate a page for a                domain         -> force to color decorate a page for a 
                                     specific domain                                      specific domain
                   function       -> force usage of a specific rolish color               function       -> force usage of a specific rolish color
                                     scheme                                      scheme
                   redirect       -> see &headtag()               redirect       -> see &headtag()
                   bgcolor        -> override the default page bg color               bgcolor        -> override the default page bg color
                   js_ready       -> return a string ready for being used in                js_ready       -> return a string ready for being used in 
                                     a javascript writeln                                      a javascript writeln
                   html_encode    -> return a string ready for being used in                html_encode    -> return a string ready for being used in 
                                     a html attribute                                      a html attribute
                   force_register -> if is true will turn on the &bodytag()               force_register -> if is true will turn on the &bodytag()
                                     $forcereg arg                                      $forcereg arg
                   body_title     -> alternate text to use instead of $title               body_title     -> alternate text to use instead of $title
                                     in the title box that appears, this text                                      in the title box that appears, this text
                                     is not auto translated like the $title is                                      is not auto translated like the $title is
                   frameset       -> if true will start with a <frameset>               frameset       -> if true will start with a <frameset>
                                     rather than <body>                                      rather than <body>
                   no_title       -> if true the title bar won't be shown               no_title       -> if true the title bar won't be shown
                   skip_phases    -> hash ref of                skip_phases    -> hash ref of 
                                     head -> skip the <html><head> generation                                      head -> skip the <html><head> generation
                                     body -> skip all <body> generation                                      body -> skip all <body> generation
                no_inline_link -> if true and in remote mode, don't show the 
                   no_inline_link -> if true and in remote mode, don't show the   
                                     'Switch To Inline Menu' link                                      'Switch To Inline Menu' link
                no_auto_mt_title -> prevent &mt()ing the title arg
                   no_auto_mt_title -> prevent &mt()ing the title arg               inherit_jsmath -> when creating popup window in a page,
   
                   inherit_jsmath -> when creating popup window in a page,  
                                     should it have jsmath forced on by the                                      should it have jsmath forced on by the
                                     current page                                      current page
   
   =back
   
   =back
   
 =cut  =cut
   
 sub start_page {  sub start_page {
Line 6763  sub instrule_disallow_msg { Line 7206  sub instrule_disallow_msg {
             $text{'action'} = 'IDs';              $text{'action'} = 'IDs';
         }          }
     }      }
     $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for <span class=\"LC_cusr_emph\">[_1]</span>, but the $text{'item'} $text{'do'} not exist in the institutional directory.",$domdesc).'<br />';      $response = &mt("The $text{'item'} you chose $text{'match'} the format of $text{'items'} defined for [_1], but the $text{'item'} $text{'do'} not exist in the institutional directory.",'<span class="LC_cusr_emph">'.$domdesc.'</span>').'<br />';
     if ($mode eq 'upload') {      if ($mode eq 'upload') {
         if ($checkitem eq 'username') {          if ($checkitem eq 'username') {
             $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");              $response .= &mt("You will need to modify your upload file so it will include $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}.");
         } elsif ($checkitem eq 'id') {          } elsif ($checkitem eq 'id') {
             $response .= &mt("Either upload a file which includes $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the ID/Student Number field.");              $response .= &mt("Either upload a file which includes $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or when associating fields with data columns, omit an association for the Student/Employee ID field.");
           }
       } elsif ($mode eq 'selfcreate') {
           if ($checkitem eq 'id') {
               $response .= &mt("You must either choose $text{'action'} with a different format --  $text{'one'} that will not conflict with 'official' institutional $text{'items'}, or leave the ID field blank.");
         }          }
     } else {      } else {
         if ($checkitem eq 'username') {          if ($checkitem eq 'username') {
Line 6793  sub personal_data_fieldtitles { Line 7240  sub personal_data_fieldtitles {
     return %fieldtitles;      return %fieldtitles;
 }  }
   
   sub sorted_inst_types {
       my ($dom) = @_;
       my ($usertypes,$order) = &Apache::lonnet::retrieve_inst_usertypes($dom);
       my $othertitle = &mt('All users');
       if ($env{'request.course.id'}) {
           $othertitle  = &mt('Any users');
       }
       my @types;
       if (ref($order) eq 'ARRAY') {
           @types = @{$order};
       }
       if (@types == 0) {
           if (ref($usertypes) eq 'HASH') {
               @types = sort(keys(%{$usertypes}));
           }
       }
       if (keys(%{$usertypes}) > 0) {
           $othertitle = &mt('Other users');
       }
       return ($othertitle,$usertypes,\@types);
   }
   
   sub get_institutional_codes {
       my ($settings,$allcourses,$LC_code) = @_;
   # Get complete list of course sections to update
       my @currsections = ();
       my @currxlists = ();
       my $coursecode = $$settings{'internal.coursecode'};
   
       if ($$settings{'internal.sectionnums'} ne '') {
           @currsections = split(/,/,$$settings{'internal.sectionnums'});
       }
   
       if ($$settings{'internal.crosslistings'} ne '') {
           @currxlists = split(/,/,$$settings{'internal.crosslistings'});
       }
   
       if (@currxlists > 0) {
           foreach (@currxlists) {
               if (m/^([^:]+):(\w*)$/) {
                   unless (grep/^$1$/,@{$allcourses}) {
                       push @{$allcourses},$1;
                       $$LC_code{$1} = $2;
                   }
               }
           }
       }
    
       if (@currsections > 0) {
           foreach (@currsections) {
               if (m/^(\w+):(\w*)$/) {
                   my $sec = $coursecode.$1;
                   my $lc_sec = $2;
                   unless (grep/^$sec$/,@{$allcourses}) {
                       push @{$allcourses},$sec;
                       $$LC_code{$sec} = $lc_sec;
                   }
               }
           }
       }
       return;
   }
   
 =pod  =pod
   
 =back  =back
Line 6801  sub personal_data_fieldtitles { Line 7311  sub personal_data_fieldtitles {
   
 =over 4  =over 4
   
 =item * get_unprocessed_cgi($query,$possible_names)  =item * &get_unprocessed_cgi($query,$possible_names)
   
 Modify the %env hash to contain unprocessed CGI form parameters held in  Modify the %env hash to contain unprocessed CGI form parameters held in
 $query.  The parameters listed in $possible_names (an array reference),  $query.  The parameters listed in $possible_names (an array reference),
Line 6830  sub get_unprocessed_cgi { Line 7340  sub get_unprocessed_cgi {
   
 =pod  =pod
   
 =item * cacheheader()   =item * &cacheheader() 
   
 returns cache-controlling header code  returns cache-controlling header code
   
Line 6847  sub cacheheader { Line 7357  sub cacheheader {
   
 =pod  =pod
   
 =item * no_cache($r)   =item * &no_cache($r) 
   
 specifies header code to not have cache  specifies header code to not have cache
   
Line 6883  sub content_type { Line 7393  sub content_type {
   
 =pod  =pod
   
 =item * add_to_env($name,$value)   =item * &add_to_env($name,$value) 
   
 adds $name to the %env hash with value  adds $name to the %env hash with value
 $value, if $name already exists, the entry is converted to an array  $value, if $name already exists, the entry is converted to an array
Line 6910  sub add_to_env { Line 7420  sub add_to_env {
   
 =pod  =pod
   
 =item * get_env_multiple($name)   =item * &get_env_multiple($name) 
   
 gets $name from the %env hash, it seemlessly handles the cases where multiple  gets $name from the %env hash, it seemlessly handles the cases where multiple
 values may be defined and end up as an array ref.  values may be defined and end up as an array ref.
Line 6933  sub get_env_multiple { Line 7443  sub get_env_multiple {
     return(@values);      return(@values);
 }  }
   
   sub ask_for_embedded_content {
       my ($actionurl,$state,$allfiles,$codebase,$args)=@_;
       my $upload_output = '
      <form name="upload_embedded" action="'.$actionurl.'"
                     method="post" enctype="multipart/form-data">';
       $upload_output .= $state;
       $upload_output .= '<b>Upload embedded files</b>:<br />'.&start_data_table();
   
       my $num = 0;
       foreach my $embed_file (sort {lc($a) cmp lc($b)} keys(%{$allfiles})) {
           $upload_output .= &start_data_table_row().
               '<td>'.$embed_file.'</td><td>';
           if ($args->{'ignore_remote_references'}
               && $embed_file =~ m{^\w+://}) {
               $upload_output.='<span class="LC_warning">'.&mt("URL points to other server.").'</span>';
           } elsif ($args->{'error_on_invalid_names'}
               && $embed_file ne &Apache::lonnet::clean_filename($embed_file,{'keep_path' => 1,})) {
   
               $upload_output.='<span class="LC_warning">'.&mt("Invalid characters").'</span>';
   
           } else {
               $upload_output .='
              <input name="embedded_item_'.$num.'" type="file" value="" />
              <input name="embedded_orig_'.$num.'" type="hidden" value="'.&escape($embed_file).'" />';
               my $attrib = join(':',@{$$allfiles{$embed_file}});
               $upload_output .=
                   "\n\t\t".
                   '<input name="embedded_attrib_'.$num.'" type="hidden" value="'.
                   $attrib.'" />';
               if (exists($$codebase{$embed_file})) {
                   $upload_output .=
                       "\n\t\t".
                       '<input name="codebase_'.$num.'" type="hidden" value="'.
                       &escape($$codebase{$embed_file}).'" />';
               }
           }
           $upload_output .= '</td>'.&Apache::loncommon::end_data_table_row();
           $num++;
       }
       $upload_output .= &Apache::loncommon::end_data_table().'<br />
      <input type ="hidden" name="number_embedded_items" value="'.$num.'" />
      <input type ="submit" value="'.&mt('Upload Listed Files').'" />
      '.&mt('(only files for which a location has been provided will be uploaded)').'
      </form>';
       return $upload_output;
   }
   
   sub upload_embedded {
       my ($context,$dirpath,$uname,$udom,$dir_root,$url_root,$group,$disk_quota,
           $current_disk_usage) = @_;
       my $output;
       for (my $i=0; $i<$env{'form.number_embedded_items'}; $i++) {
           next if (!exists($env{'form.embedded_item_'.$i.'.filename'}));
           my $orig_uploaded_filename =
               $env{'form.embedded_item_'.$i.'.filename'};
   
           $env{'form.embedded_orig_'.$i} =
               &unescape($env{'form.embedded_orig_'.$i});
           my ($path,$fname) =
               ($env{'form.embedded_orig_'.$i} =~ m{(.*/)([^/]*)});
           # no path, whole string is fname
           if (!$fname) { $fname = $env{'form.embedded_orig_'.$i} };
   
           $path = $env{'form.currentpath'}.$path;
           $fname = &Apache::lonnet::clean_filename($fname);
           # See if there is anything left
           next if ($fname eq '');
   
           # Check if file already exists as a file or directory.
           my ($state,$msg);
           if ($context eq 'portfolio') {
               my $port_path = $dirpath;
               if ($group ne '') {
                   $port_path = "groups/$group/$port_path";
               }
               ($state,$msg) = &check_for_upload($path,$fname,$group,'embedded_item_'.$i,
                                                 $dir_root,$port_path,$disk_quota,
                                                 $current_disk_usage,$uname,$udom);
               if ($state eq 'will_exceed_quota'
                   || $state eq 'file_locked'
                   || $state eq 'file_exists' ) {
                   $output .= $msg;
                   next;
               }
           } elsif (($context eq 'author') || ($context eq 'testbank')) {
               ($state,$msg) = &check_for_existing($path,$fname,'embedded_item_'.$i);
               if ($state eq 'exists') {
                   $output .= $msg;
                   next;
               }
           }
           # Check if extension is valid
           if (($fname =~ /\.(\w+)$/) &&
               (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
               $output .= &mt('Invalid file extension ([_1]) - reserved for LONCAPA use - rename the file with a different extension and re-upload. ',$1);
               next;
           } elsif (($fname =~ /\.(\w+)$/) &&
                    (!defined(&Apache::loncommon::fileembstyle($1)))) {
               $output .= &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
               next;
           } elsif ($fname=~/\.(\d+)\.(\w+)$/) {
               $output .= &mt('File name not allowed - rename the file to remove the number immediately before the file extension([_1]) and re-upload.',$2);
               next;
           }
   
           $env{'form.embedded_item_'.$i.'.filename'}=$fname;
           if ($context eq 'portfolio') {
               my $result=
                   &Apache::lonnet::userfileupload('embedded_item_'.$i,'',
                                                   $dirpath.$path);
               if ($result !~ m|^/uploaded/|) {
                   $output .= '<span class="LC_error">'
                         .&mt('An error occurred ([_1]) while trying to upload [_2] for embedded element [_3].'
                              ,$result,$orig_uploaded_filename,$env{'form.embedded_orig_'.$i})
                         .'</span><br />';
                   next;
               } else {
                   $output .= '<p>'.&mt('Uploaded [_1]','<span class="LC_filename">'.
                              $path.$fname.'</span>').'</p>';     
               }
           } else {
   # Save the file
               my $target = $env{'form.embedded_item_'.$i};
               my $fullpath = $dir_root.$dirpath.'/'.$path;
               my $dest = $fullpath.$fname;
               my $url = $url_root.$dirpath.'/'.$path.$fname;
               my @parts=split(/\//,$fullpath);
               my $count;
               my $filepath = $dir_root;
               for ($count=4;$count<=$#parts;$count++) {
                   $filepath .= "/$parts[$count]";
                   if ((-e $filepath)!=1) {
                       mkdir($filepath,0770);
                   }
               }
               my $fh;
               if (!open($fh,'>'.$dest)) {
                   &Apache::lonnet::logthis('Failed to create '.$dest);
                   $output .= '<span class="LC_error">'.
                              &mt('An error occurred while trying to upload [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
                              '</span><br />';
               } else {
                   if (!print $fh $env{'form.embedded_item_'.$i}) {
                       &Apache::lonnet::logthis('Failed to write to '.$dest);
                       $output .= '<span class="LC_error">'.
                                 &mt('An error occurred while writing the file [_1] for embedded element [_2].',$orig_uploaded_filename,$env{'form.embedded_orig_'.$i}).
                                 '</span><br />';
                   } else {
                       if ($context eq 'testbank') {
                           $output .= &mt('Embedded file uploaded successfully:').
                                      '&nbsp;<a href="'.$url.'">'.
                                      $orig_uploaded_filename.'</a><br />';
                       } else {
                           $output .= '<font size="+2">'.
                                      &mt('View embedded file: [_1]','<a href="'.$url.'">'.
                                      $orig_uploaded_filename.'</a>').'</font><br />';
                       }
                   }
                   close($fh);
               }
           }
       }
       return $output;
   }
   
   sub check_for_existing {
       my ($path,$fname,$element) = @_;
       my ($state,$msg);
       if (-d $path.'/'.$fname) {
           $state = 'exists';
           $msg = &mt('Unable to upload [_1]. A directory by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
       } elsif (-e $path.'/'.$fname) {
           $state = 'exists';
           $msg = &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$path);
       }
       if ($state eq 'exists') {
           $msg = '<span class="LC_error">'.$msg.'</span><br />';
       }
       return ($state,$msg);
   }
   
   sub check_for_upload {
       my ($path,$fname,$group,$element,$portfolio_root,$port_path,
           $disk_quota,$current_disk_usage,$uname,$udom) = @_;
       my $filesize = (length($env{'form.'.$element})) / 1000; #express in k (1024?)
       my $getpropath = 1;
       my @dir_list = &Apache::lonnet::dirlist($portfolio_root.$path,$udom,$uname,
                                               $getpropath);
       my $found_file = 0;
       my $locked_file = 0;
       foreach my $line (@dir_list) {
           my ($file_name)=split(/\&/,$line,2);
           if ($file_name eq $fname){
               $file_name = $path.$file_name;
               if ($group ne '') {
                   $file_name = $group.$file_name;
               }
               $found_file = 1;
               if (&Apache::lonnet::is_locked($file_name,$udom,$uname) eq 'true') {
                   $locked_file = 1;
               }
           }
       }
       if (($current_disk_usage + $filesize) > $disk_quota){
           my $msg = '<span class="LC_error">'.
                   &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.','<span class="LC_filename">'.$fname.'</span>',$filesize).'</span>'.
                     '<br />'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage);
           return ('will_exceed_quota',$msg);
       } elsif ($found_file) {
           if ($locked_file) {
               my $msg = '<span class="LC_error">';
               $msg .= &mt('Unable to upload [_1]. A locked file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>','<span class="LC_filename">'.$port_path.$env{'form.currentpath'}.'</span>');
               $msg .= '</span><br />';
               $msg .= &mt('You will be able to rename or delete existing [_1] after a grade has been assigned.','<span class="LC_filename">'.$fname.'</span>');
               return ('file_locked',$msg);
           } else {
               my $msg = '<span class="LC_error">';
               $msg .= &mt('Unable to upload [_1]. A file by that name was found in [_2].','<span class="LC_filename">'.$fname.'</span>',$port_path.$env{'form.currentpath'});
               $msg .= '</span>';
               $msg .= '<br />';
               $msg .= &mt('To upload, rename or delete existing [_1] in [_2].','<span class="LC_filename">'.$fname.'</span>', $port_path.$env{'form.currentpath'});
               return ('file_exists',$msg);
           }
       }
   }
   
   
 =pod  =pod
   
Line 6942  sub get_env_multiple { Line 7678  sub get_env_multiple {
   
 =over 4  =over 4
   
 =item * upfile_store($r)  =item * &upfile_store($r)
   
 Store uploaded file, $r should be the HTTP Request object,  Store uploaded file, $r should be the HTTP Request object,
 needs $env{'form.upfile'}  needs $env{'form.upfile'}
Line 6972  sub upfile_store { Line 7708  sub upfile_store {
   
 =pod  =pod
   
 =item * load_tmp_file($r)  =item * &load_tmp_file($r)
   
 Load uploaded file from tmp, $r should be the HTTP Request object,  Load uploaded file from tmp, $r should be the HTTP Request object,
 needs $env{'form.datatoken'},  needs $env{'form.datatoken'},
Line 6996  sub load_tmp_file { Line 7732  sub load_tmp_file {
   
 =pod  =pod
   
 =item * upfile_record_sep()  =item * &upfile_record_sep()
   
 Separate uploaded file into records  Separate uploaded file into records
 returns array of records,  returns array of records,
Line 7018  sub upfile_record_sep { Line 7754  sub upfile_record_sep {
   
 =pod  =pod
   
 =item * record_sep($record)  =item * &record_sep($record)
   
 Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}  Separate a record into fields $record should be an item from the upfile_record_sep(), needs $env{'form.upfiletype'}
   
Line 7103  sub record_sep { Line 7839  sub record_sep {
   
 =pod  =pod
   
 =item * upfile_select_html()  =item * &upfile_select_html()
   
 Return HTML code to select a file from the users machine and specify   Return HTML code to select a file from the users machine and specify 
 the file type.  the file type.
Line 7150  sub get_samples { Line 7886  sub get_samples {
   
 =pod  =pod
   
 =item * csv_print_samples($r,$records)  =item * &csv_print_samples($r,$records)
   
 Prints a table of sample values from each column uploaded $r is an  Prints a table of sample values from each column uploaded $r is an
 Apache Request ref, $records is an arrayref from  Apache Request ref, $records is an arrayref from
Line 7162  Apache Request ref, $records is an array Line 7898  Apache Request ref, $records is an array
 ######################################################  ######################################################
 sub csv_print_samples {  sub csv_print_samples {
     my ($r,$records) = @_;      my ($r,$records) = @_;
     my $samples = &get_samples($records,3);      my $samples = &get_samples($records,5);
   
     $r->print(&mt('Samples').'<br />'.&start_data_table().      $r->print(&mt('Samples').'<br />'.&start_data_table().
               &start_data_table_header_row());                &start_data_table_header_row());
Line 7186  sub csv_print_samples { Line 7922  sub csv_print_samples {
   
 =pod  =pod
   
 =item * csv_print_select_table($r,$records,$d)  =item * &csv_print_select_table($r,$records,$d)
   
 Prints a table to create associations between values and table columns.  Prints a table to create associations between values and table columns.
   
Line 7209  sub csv_print_select_table { Line 7945  sub csv_print_select_table {
               &end_data_table_header_row()."\n");                &end_data_table_header_row()."\n");
     foreach my $array_ref (@$d) {      foreach my $array_ref (@$d) {
  my ($value,$display,$defaultcol)=@{ $array_ref };   my ($value,$display,$defaultcol)=@{ $array_ref };
  $r->print(&start_data_table_row().'<tr><td>'.$display.'</td>');   $r->print(&start_data_table_row().'<td>'.$display.'</td>');
   
  $r->print('<td><select name=f'.$i.   $r->print('<td><select name=f'.$i.
   ' onchange="javascript:flip(this.form,'.$i.');">');    ' onchange="javascript:flip(this.form,'.$i.');">');
Line 7217  sub csv_print_select_table { Line 7953  sub csv_print_select_table {
  foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {   foreach my $sample (sort({$a <=> $b} keys(%{ $samples->[0] }))) {
     $r->print('<option value="'.$sample.'"'.      $r->print('<option value="'.$sample.'"'.
                       ($sample eq $defaultcol ? ' selected="selected" ' : '').                        ($sample eq $defaultcol ? ' selected="selected" ' : '').
                       '>Column '.($sample+1).'</option>');                        '>'.&mt('Column [_1]',($sample+1)).'</option>');
  }   }
  $r->print('</select></td>'.&end_data_table_row()."\n");   $r->print('</select></td>'.&end_data_table_row()."\n");
  $i++;   $i++;
Line 7232  sub csv_print_select_table { Line 7968  sub csv_print_select_table {
   
 =pod  =pod
   
 =item * csv_samples_select_table($r,$records,$d)  =item * &csv_samples_select_table($r,$records,$d)
   
 Prints a table of sample values from the upload and can make associate samples to internal names.  Prints a table of sample values from the upload and can make associate samples to internal names.
   
Line 7248  sub csv_samples_select_table { Line 7984  sub csv_samples_select_table {
     my ($r,$records,$d) = @_;      my ($r,$records,$d) = @_;
     my $i=0;      my $i=0;
     #      #
     my $samples = &get_samples($records,3);      my $max_samples = 5;
       my $samples = &get_samples($records,$max_samples);
     $r->print(&start_data_table().      $r->print(&start_data_table().
               &start_data_table_header_row().'<th>'.                &start_data_table_header_row().'<th>'.
               &mt('Field').'</th><th>'.&mt('Samples').'</th>'.                &mt('Field').'</th><th>'.&mt('Samples').'</th>'.
Line 7264  sub csv_samples_select_table { Line 8001  sub csv_samples_select_table {
                       $display.'</option>');                        $display.'</option>');
  }   }
  $r->print('</select></td><td>');   $r->print('</select></td><td>');
  foreach my $line (0..2) {   foreach my $line (0..($max_samples-1)) {
     if (defined($samples->[$line]{$key})) {       if (defined($samples->[$line]{$key})) { 
  $r->print($samples->[$line]{$key}."<br />\n");    $r->print($samples->[$line]{$key}."<br />\n"); 
     }      }
Line 7282  sub csv_samples_select_table { Line 8019  sub csv_samples_select_table {
   
 =pod  =pod
   
 =item clean_excel_name($name)  =item * &clean_excel_name($name)
   
 Returns a replacement for $name which does not contain any illegal characters.  Returns a replacement for $name which does not contain any illegal characters.
   
Line 7301  sub clean_excel_name { Line 8038  sub clean_excel_name {
   
 =pod  =pod
   
 =item * check_if_partid_hidden($id,$symb,$udom,$uname)  =item * &check_if_partid_hidden($id,$symb,$udom,$uname)
   
 Returns either 1 or undef  Returns either 1 or undef
   
Line 7342  sub check_if_partid_hidden { Line 8079  sub check_if_partid_hidden {
   
 =over 4  =over 4
   
 =item get_cgi_id  =item * &get_cgi_id()
   
 Inputs: none  Inputs: none
   
Line 7366  sub get_cgi_id { Line 8103  sub get_cgi_id {
   
 =pod  =pod
   
 =item DrawBarGraph  =item * &DrawBarGraph()
   
 Facilitates the plotting of data in a (stacked) bar graph.  Facilitates the plotting of data in a (stacked) bar graph.
 Puts plot definition data into the users environment in order for   Puts plot definition data into the users environment in order for 
Line 7501  sub DrawBarGraph { Line 8238  sub DrawBarGraph {
         $ValuesHash{$id.'.'.$key} = $value;          $ValuesHash{$id.'.'.$key} = $value;
     }      }
     #      #
     &Apache::lonnet::appenv(%ValuesHash);      &Apache::lonnet::appenv(\%ValuesHash);
     return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';      return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
 }  }
   
Line 7510  sub DrawBarGraph { Line 8247  sub DrawBarGraph {
   
 =pod  =pod
   
 =item DrawXYGraph  =item * &DrawXYGraph()
   
 Facilitates the plotting of data in an XY graph.  Facilitates the plotting of data in an XY graph.
 Puts plot definition data into the users environment in order for   Puts plot definition data into the users environment in order for 
Line 7591  sub DrawXYGraph { Line 8328  sub DrawXYGraph {
         $ValuesHash{$id.'.'.$key} = $value;          $ValuesHash{$id.'.'.$key} = $value;
     }      }
     #      #
     &Apache::lonnet::appenv(%ValuesHash);      &Apache::lonnet::appenv(\%ValuesHash);
     return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';      return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
 }  }
   
Line 7600  sub DrawXYGraph { Line 8337  sub DrawXYGraph {
   
 =pod  =pod
   
 =item DrawXYYGraph  =item * &DrawXYYGraph()
   
 Facilitates the plotting of data in an XY graph with two Y axes.  Facilitates the plotting of data in an XY graph with two Y axes.
 Puts plot definition data into the users environment in order for   Puts plot definition data into the users environment in order for 
Line 7693  sub DrawXYYGraph { Line 8430  sub DrawXYYGraph {
         $ValuesHash{$id.'.'.$key} = $value;          $ValuesHash{$id.'.'.$key} = $value;
     }      }
     #      #
     &Apache::lonnet::appenv(%ValuesHash);      &Apache::lonnet::appenv(\%ValuesHash);
     return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';      return '<img src="/cgi-bin/graph.png?'.$identifier.'" border="1" />';
 }  }
   
Line 7710  Bad place for them but what the hell. Line 8447  Bad place for them but what the hell.
   
 =over 4  =over 4
   
 =item &chartlink  =item * &chartlink()
   
 Returns a link to the chart for a specific student.    Returns a link to the chart for a specific student.  
   
Line 7749  sub chartlink { Line 8486  sub chartlink {
   
 =over 4  =over 4
   
 =item &restore_course_settings   =item * &restore_course_settings()
   
 =item &store_course_settings  =item * &store_course_settings()
   
 Restores/Store indicated form parameters from the course environment.  Restores/Store indicated form parameters from the course environment.
 Will not overwrite existing values of the form parameters.  Will not overwrite existing values of the form parameters.
Line 7825  sub store_settings { Line 8562  sub store_settings {
                                  'got error:'.$put_result);                                   'got error:'.$put_result);
     }      }
     # Make sure these settings stick around in this session, too      # Make sure these settings stick around in this session, too
     &Apache::lonnet::appenv(%AppHash);      &Apache::lonnet::appenv(\%AppHash);
     return;      return;
 }  }
   
Line 7862  sub restore_settings { Line 8599  sub restore_settings {
   
 =over 4  =over 4
   
 =item &build_recipient_list  =item * &build_recipient_list()
   
 Build recipient lists for three types of e-mail:  Build recipient lists for three types of e-mail:
 (a) Error Reports, (b) Package Updates, (c) Help requests, generated by  (a) Error Reports, (b) Package Updates, (c) Help requests, generated by
Line 7875  defdom (domain for which to retrieve con Line 8612  defdom (domain for which to retrieve con
 origmail (scalar - email address of recipient from loncapa.conf,   origmail (scalar - email address of recipient from loncapa.conf, 
 i.e., predates configuration by DC via domainprefs.pm   i.e., predates configuration by DC via domainprefs.pm 
   
 Returns: comma separated list of addresses to which to send e-mail.     Returns: comma separated list of addresses to which to send e-mail.
   
   =back
   
 =cut  =cut
   
Line 7903  sub build_recipient_list { Line 8642  sub build_recipient_list {
     } elsif ($origmail ne '') {      } elsif ($origmail ne '') {
         push(@recipients,$origmail);          push(@recipients,$origmail);
     }      }
     if ($defmail ne '') {      if (defined($defmail)) {
         push(@recipients,$defmail);          if ($defmail ne '') {
               push(@recipients,$defmail);
           }
     }      }
     if ($otheremails) {      if ($otheremails) {
         my @others;          my @others;
Line 7926  sub build_recipient_list { Line 8667  sub build_recipient_list {
 ############################################################  ############################################################
 ############################################################  ############################################################
   
   =pod
   
   =head1 Course Catalog Routines
   
   =over 4
   
   =item * &gather_categories()
   
   Converts category definitions - keys of categories hash stored in  
   coursecategories in configuration.db on the primary library server in a 
   domain - to an array.  Also generates javascript and idx hash used to 
   generate Domain Coordinator interface for editing Course Categories.
   
   Inputs:
   
   categories (reference to hash of category definitions).
   
   cats (reference to array of arrays/hashes which encapsulates hierarchy of
         categories and subcategories).
   
   idx (reference to hash of counters used in Domain Coordinator interface for 
         editing Course Categories).
   
   jsarray (reference to array of categories used to create Javascript arrays for
            Domain Coordinator interface for editing Course Categories).
   
   Returns: nothing
   
   Side effects: populates cats, idx and jsarray. 
   
   =cut
   
   sub gather_categories {
       my ($categories,$cats,$idx,$jsarray) = @_;
       my %counters;
       my $num = 0;
       foreach my $item (keys(%{$categories})) {
           my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item);
           if ($container eq '' && $depth == 0) {
               $cats->[$depth][$categories->{$item}] = $cat;
           } else {
               $cats->[$depth]{$container}[$categories->{$item}] = $cat;
           }
           my ($escitem,$tail) = split(/:/,$item,2);
           if ($counters{$tail} eq '') {
               $counters{$tail} = $num;
               $num ++;
           }
           if (ref($idx) eq 'HASH') {
               $idx->{$item} = $counters{$tail};
           }
           if (ref($jsarray) eq 'ARRAY') {
               push(@{$jsarray->[$counters{$tail}]},$item);
           }
       }
       return;
   }
   
   =pod
   
   =item * &extract_categories()
   
   Used to generate breadcrumb trails for course categories.
   
   Inputs:
   
   categories (reference to hash of category definitions).
   
   cats (reference to array of arrays/hashes which encapsulates hierarchy of
         categories and subcategories).
   
   trails (reference to array of breacrumb trails for each category).
   
   allitems (reference to hash - key is category key 
            (format: escaped(name):escaped(parent category):depth in hierarchy).
   
   idx (reference to hash of counters used in Domain Coordinator interface for
         editing Course Categories).
   
   jsarray (reference to array of categories used to create Javascript arrays for
            Domain Coordinator interface for editing Course Categories).
   
   subcats (reference to hash of arrays containing all subcategories within each 
            category, -recursive)
   
   Returns: nothing
   
   Side effects: populates trails and allitems hash references.
   
   =cut
   
   sub extract_categories {
       my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_;
       if (ref($categories) eq 'HASH') {
           &gather_categories($categories,$cats,$idx,$jsarray);
           if (ref($cats->[0]) eq 'ARRAY') {
               for (my $i=0; $i<@{$cats->[0]}; $i++) {
                   my $name = $cats->[0][$i];
                   my $item = &escape($name).'::0';
                   my $trailstr;
                   if ($name eq 'instcode') {
                       $trailstr = &mt('Official courses (with institutional codes)');
                   } else {
                       $trailstr = $name;
                   }
                   if ($allitems->{$item} eq '') {
                       push(@{$trails},$trailstr);
                       $allitems->{$item} = scalar(@{$trails})-1;
                   }
                   my @parents = ($name);
                   if (ref($cats->[1]{$name}) eq 'ARRAY') {
                       for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) {
                           my $category = $cats->[1]{$name}[$j];
                           if (ref($subcats) eq 'HASH') {
                               push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1');
                           }
                           &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats);
                       }
                   } else {
                       if (ref($subcats) eq 'HASH') {
                           $subcats->{$item} = [];
                       }
                   }
               }
           }
       }
       return;
   }
   
   =pod
   
   =item *&recurse_categories()
   
   Recursively used to generate breadcrumb trails for course categories.
   
   Inputs:
   
   cats (reference to array of arrays/hashes which encapsulates hierarchy of
         categories and subcategories).
   
   depth (current depth in hierarchy of categories and sub-categories - 0 indexed).
   
   category (current course category, for which breadcrumb trail is being generated).
   
   trails (reference to array of breadcrumb trails for each category).
   
   allitems (reference to hash - key is category key
            (format: escaped(name):escaped(parent category):depth in hierarchy).
   
   parents (array containing containers directories for current category, 
            back to top level). 
   
   Returns: nothing
   
   Side effects: populates trails and allitems hash references
   
   =cut
   
   sub recurse_categories {
       my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_;
       my $shallower = $depth - 1;
       if (ref($cats->[$depth]{$category}) eq 'ARRAY') {
           for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) {
               my $name = $cats->[$depth]{$category}[$k];
               my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
               my $trailstr = join(' -&gt; ',(@{$parents},$category));
               if ($allitems->{$item} eq '') {
                   push(@{$trails},$trailstr);
                   $allitems->{$item} = scalar(@{$trails})-1;
               }
               my $deeper = $depth+1;
               push(@{$parents},$category);
               if (ref($subcats) eq 'HASH') {
                   my $subcat = &escape($name).':'.$category.':'.$depth;
                   for (my $j=@{$parents}; $j>=0; $j--) {
                       my $higher;
                       if ($j > 0) {
                           $higher = &escape($parents->[$j]).':'.
                                     &escape($parents->[$j-1]).':'.$j;
                       } else {
                           $higher = &escape($parents->[$j]).'::'.$j;
                       }
                       push(@{$subcats->{$higher}},$subcat);
                   }
               }
               &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents,
                                   $subcats);
               pop(@{$parents});
           }
       } else {
           my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower;
           my $trailstr = join(' -&gt; ',(@{$parents},$category));
           if ($allitems->{$item} eq '') {
               push(@{$trails},$trailstr);
               $allitems->{$item} = scalar(@{$trails})-1;
           }
       }
       return;
   }
   
   =pod
   
   =item *&assign_categories_table()
   
   Create a datatable for display of hierarchical categories in a domain,
   with checkboxes to allow a course to be categorized. 
   
   Inputs:
   
   cathash - reference to hash of categories defined for the domain (from
             configuration.db)
   
   currcat - scalar with an & separated list of categories assigned to a course. 
   
   Returns: $output (markup to be displayed) 
   
   =cut
   
   sub assign_categories_table {
       my ($cathash,$currcat) = @_;
       my $output;
       if (ref($cathash) eq 'HASH') {
           my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth);
           &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray);
           $maxdepth = scalar(@cats);
           if (@cats > 0) {
               my $itemcount = 0;
               if (ref($cats[0]) eq 'ARRAY') {
                   $output = &Apache::loncommon::start_data_table();
                   my @currcategories;
                   if ($currcat ne '') {
                       @currcategories = split('&',$currcat);
                   }
                   for (my $i=0; $i<@{$cats[0]}; $i++) {
                       my $parent = $cats[0][$i];
                       my $css_class = $itemcount%2?' class="LC_odd_row"':'';
                       next if ($parent eq 'instcode');
                       my $item = &escape($parent).'::0';
                       my $checked = '';
                       if (@currcategories > 0) {
                           if (grep(/^\Q$item\E$/,@currcategories)) {
                               $checked = ' checked="checked" ';
                           }
                       }
                       $output .= '<tr '.$css_class.'><td><span class="LC_nobreak">'.
                                  '<input type="checkbox" name="usecategory" value="'.
                                  $item.'"'.$checked.' />'.$parent.'</span>'.
                                  '<input type="hidden" name="catname" value="'.$parent.'" /></td>';
                       my $depth = 1;
                       push(@path,$parent);
                       $output .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories);
                       pop(@path);
                       $output .= '</tr><tr><td colspan="'.$maxdepth.'" class="LC_row_separator"></td></tr>';
                       $itemcount ++;
                   }
                   $output .= &Apache::loncommon::end_data_table();
               }
           }
       }
       return $output;
   }
   
   =pod
   
   =item *&assign_category_rows()
   
   Create a datatable row for display of nested categories in a domain,
   with checkboxes to allow a course to be categorized,called recursively.
   
   Inputs:
   
   itemcount - track row number for alternating colors
   
   cats - reference to array of arrays/hashes which encapsulates hierarchy of
         categories and subcategories.
   
   depth - current depth in hierarchy of categories and sub-categories - 0 indexed.
   
   parent - parent of current category item
   
   path - Array containing all categories back up through the hierarchy from the
          current category to the top level.
   
   currcategories - reference to array of current categories assigned to the course
   
   Returns: $output (markup to be displayed).
   
   =cut
   
   sub assign_category_rows {
       my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_;
       my ($text,$name,$item,$chgstr);
       if (ref($cats) eq 'ARRAY') {
           my $maxdepth = scalar(@{$cats});
           if (ref($cats->[$depth]) eq 'HASH') {
               if (ref($cats->[$depth]{$parent}) eq 'ARRAY') {
                   my $numchildren = @{$cats->[$depth]{$parent}};
                   my $css_class = $itemcount%2?' class="LC_odd_row"':'';
                   $text .= '<td><table class="LC_datatable">';
                   for (my $j=0; $j<$numchildren; $j++) {
                       $name = $cats->[$depth]{$parent}[$j];
                       $item = &escape($name).':'.&escape($parent).':'.$depth;
                       my $deeper = $depth+1;
                       my $checked = '';
                       if (ref($currcategories) eq 'ARRAY') {
                           if (@{$currcategories} > 0) {
                               if (grep(/^\Q$item\E$/,@{$currcategories})) {
                                   $checked = ' checked="checked" ';
                               }
                           }
                       }
                       $text .= '<tr><td><span class="LC_nobreak"><label>'.
                                '<input type="checkbox" name="usecategory" value="'.
                                $item.'"'.$checked.' />'.$name.'</label></span>'.
                                '<input type="hidden" name="catname" value="'.$name.'" />'.
                                '</td><td>';
                       if (ref($path) eq 'ARRAY') {
                           push(@{$path},$name);
                           $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories);
                           pop(@{$path});
                       }
                       $text .= '</td></tr>';
                   }
                   $text .= '</table></td>';
               }
           }
       }
       return $text;
   }
   
   ############################################################
   ############################################################
   
   
 sub commit_customrole {  sub commit_customrole {
     my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_;      my ($udom,$uname,$url,$three,$four,$five,$start,$end,$context) = @_;
     my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url.      my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url.
                          ($start?', '.&mt('starting').' '.localtime($start):'').                           ($start?', '.&mt('starting').' '.localtime($start):'').
                          ($end?', ending '.localtime($end):'').': <b>'.                           ($end?', ending '.localtime($end):'').': <b>'.
               &Apache::lonnet::assigncustomrole(                &Apache::lonnet::assigncustomrole(
                  $udom,$uname,$url,$three,$four,$five,$end,$start).                   $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context).
                  '</b><br />';                   '</b><br />';
     return $output;      return $output;
 }  }
Line 7967  sub commit_standardrole { Line 9042  sub commit_standardrole {
         $output = &mt('Assigning').' '.$three.' in '.$url.          $output = &mt('Assigning').' '.$three.' in '.$url.
                ($start?', '.&mt('starting').' '.localtime($start):'').                 ($start?', '.&mt('starting').' '.localtime($start):'').
                ($end?', '.&mt('ending').' '.localtime($end):'').': ';                 ($end?', '.&mt('ending').' '.localtime($end):'').': ';
         my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start);          my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context);
         if ($context eq 'auto') {          if ($context eq 'auto') {
             $output .= $result.$linefeed;              $output .= $result.$linefeed;
         } else {          } else {
Line 8002  sub commit_studentrole { Line 9077  sub commit_studentrole {
                 }                  }
                 $oldsecurl = $uurl;                  $oldsecurl = $uurl;
                 $expire_role_result =                   $expire_role_result = 
                     &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now);                      &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context);
                 if ($env{'request.course.sec'} ne '') {                   if ($env{'request.course.sec'} ne '') { 
                     if ($expire_role_result eq 'refused') {                      if ($expire_role_result eq 'refused') {
                         my @roles = ('st');                          my @roles = ('st');
Line 8025  sub commit_studentrole { Line 9100  sub commit_studentrole {
             }              }
         }          }
         if (($expire_role_result eq 'ok') || ($secchange == 0)) {          if (($expire_role_result eq 'ok') || ($secchange == 0)) {
             $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid);              $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context);
             if ($modify_section_result =~ /^ok/) {              if ($modify_section_result =~ /^ok/) {
                 if ($secchange == 1) {                  if ($secchange == 1) {
                     if ($sec eq '') {                      if ($sec eq '') {
Line 8188  sub construct_course { Line 9263  sub construct_course {
  $outcome .= $clonemsg.$linefeed;   $outcome .= $clonemsg.$linefeed;
  my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);   my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum);
 # Copy all files  # Copy all files
  &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid);   &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'});
 # Restore URL  # Restore URL
  $cenv{'url'}=$oldcenv{'url'};   $cenv{'url'}=$oldcenv{'url'};
 # Restore title  # Restore title
Line 8235  sub construct_course { Line 9310  sub construct_course {
     } else {      } else {
         $cenv{'internal.courseowner'} = $args->{'curruser'};          $cenv{'internal.courseowner'} = $args->{'curruser'};
     }      }
   
     my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.      my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner.
     if ($args->{'crssections'}) {      if ($args->{'crssections'}) {
         $cenv{'internal.sectionnums'} = '';          $cenv{'internal.sectionnums'} = '';
Line 8435  sub construct_course { Line 9509  sub construct_course {
         $outcome .= ($fatal?$errtext:'read ok').' - ';          $outcome .= ($fatal?$errtext:'read ok').' - ';
         my $title; my $url;          my $title; my $url;
         if ($args->{'firstres'} eq 'syl') {          if ($args->{'firstres'} eq 'syl') {
     $title='Syllabus';      $title=&mt('Syllabus');
             $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';              $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus';
         } else {          } else {
             $title='Navigate Contents';              $title=&mt('Navigate Contents');
             $url='/adm/navmaps';              $url='/adm/navmaps';
         }          }
   
Line 8492  sub icon { Line 9566  sub icon {
     return &lonhttpdurl($iconname);      return &lonhttpdurl($iconname);
 }   } 
   
 sub lonhttpd_port {  
     my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'};  
     if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; }  
     # IE doesn't like a secure page getting images from a non-secure  
     # port (when logging we haven't parsed the browser type so default  
     # back to secure  
     if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer')  
  && $ENV{'SERVER_PORT'} == 443) {  
  return 443;  
     }  
     return $lonhttpd_port;  
   
 }  
   
 sub lonhttpdurl {  sub lonhttpdurl {
   #
   # Had been used for "small fry" static images on separate port 8080.
   # Modify here if lightweight http functionality desired again.
   # Currently eliminated due to increasing firewall issues.
   #
     my ($url)=@_;      my ($url)=@_;
       return $url;
     my $lonhttpd_port = &lonhttpd_port();  
     if ($lonhttpd_port == 443) {  
  return 'https://'.$ENV{'SERVER_NAME'}.$url;  
     }  
     return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url;  
 }  }
   
 sub connection_aborted {  sub connection_aborted {
Line 8591  sub init_user_environment { Line 9651  sub init_user_environment {
  }   }
 # Give them a new cookie  # Give them a new cookie
  my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}   my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
                    : $now);                     : $now.$$.int(rand(10000)));
  $cookie="$username\_$id\_$domain\_$authhost";   $cookie="$username\_$id\_$domain\_$authhost";
           
 # Initialize roles  # Initialize roles
Line 8706  sub init_user_environment { Line 9766  sub init_user_environment {
   
 sub _add_to_env {  sub _add_to_env {
     my ($idf,$env_data,$prefix) = @_;      my ($idf,$env_data,$prefix) = @_;
     while (my ($key,$value) = each(%$env_data)) {      if (ref($env_data) eq 'HASH') {
  $idf->{$prefix.$key} = $value;          while (my ($key,$value) = each(%$env_data)) {
  $env{$prefix.$key}   = $value;      $idf->{$prefix.$key} = $value;
       $env{$prefix.$key}   = $value;
           }
       }
   }
   
   # --- Get the symbolic name of a problem and the url
   sub get_symb {
       my ($request,$silent) = @_;
       (my $url=$env{'form.url'}) =~ s-^http://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--;
       my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url)));
       if ($symb eq '') {
           if (!$silent) {
               $request->print("Unable to handle ambiguous references:$url:.");
               return ();
           }
     }      }
       &Apache::lonenc::check_decrypt(\$symb);
       return ($symb);
 }  }
   
   # --------------------------------------------------------------Get annotation
   
   sub get_annotation {
       my ($symb,$enc) = @_;
   
       my $key = $symb;
       if (!$enc) {
           $key =
               &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]);
       }
       my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]);
       return $annotation{$key};
   }
   
   sub clean_symb {
       my ($symb) = @_;
   
       &Apache::lonenc::check_decrypt(\$symb);
       my $enc = $env{'request.enc'};
       delete($env{'request.enc'});
   
       return ($symb,$enc);
   }
   
 =pod  =pod
   
Removed from v.1.636.2.6  
changed lines
  Added in v.1.702

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