Diff for /loncom/interface/loncommon.pm between versions 1.56 and 1.77

version 1.56, 2002/08/22 13:39:42 version 1.77, 2003/02/12 01:59:34
Line 27 Line 27
 #  #
 # YEAR=2001  # YEAR=2001
 # 2/13-12/7 Guy Albertelli  # 2/13-12/7 Guy Albertelli
 # 12/11,12/12,12/17 Scott Harrison  
 # 12/21 Gerd Kortemeyer  # 12/21 Gerd Kortemeyer
 # 12/21 Scott Harrison  
 # 12/25,12/28 Gerd Kortemeyer  # 12/25,12/28 Gerd Kortemeyer
 # YEAR=2002  # YEAR=2002
 # 1/4 Gerd Kortemeyer  # 1/4 Gerd Kortemeyer
Line 98  my %cprtag; Line 96  my %cprtag;
 my %fe; my %fd;  my %fe; my %fd;
 my %category_extensions;  my %category_extensions;
   
   # ---------------------------------------------- Designs
   
   my %designhash;
   
 # ---------------------------------------------- Thesaurus variables  # ---------------------------------------------- Thesaurus variables
   
 =pod  =pod
Line 166  BEGIN { Line 168  BEGIN {
     }      }
  }   }
     }      }
   
   # -------------------------------------------------------------- domain designs
   
       my $filename;
       my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
       opendir(DIR,$designdir);
       while ($filename=readdir(DIR)) {
    my ($domain)=($filename=~/^(\w+)\./);
       {
    my $fh=Apache::File->new($designdir.'/'.$filename);
    if ($fh) {
       while (<$fh>) {
    next if /^\#/;
    chomp;
    my ($key,$val)=(split(/\=/,$_));
    if ($val) { $designhash{$domain.'.'.$key}=$val; }
       }
    }
       }
   
       }
       closedir(DIR);
   
   
 # ------------------------------------------------------------- file categories  # ------------------------------------------------------------- file categories
     {      {
  my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.   my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
Line 283  sub browser_and_searcher_javascript { Line 309  sub browser_and_searcher_javascript {
 END  END
 }  }
   
   sub studentbrowser_javascript {
      unless ($ENV{'request.course.id'}) { return ''; }  
      unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
           return '';
      }
      return (<<'ENDSTDBRW');
   <script type="text/javascript" language="Javascript" >
       var stdeditbrowser;
       function openstdbrowser(formname,uname,udom) {
           var url = '/adm/pickstudent?';
           var filter;
           eval('filter=document.'+formname+'.'+uname+'.value;');
           if (filter != null) {
              if (filter != '') {
                  url += 'filter='+filter+'&';
      }
           }
           url += 'form=' + formname + '&unameelement='+uname+
                                       '&udomelement='+udom;
           var title = 'Student Browser';
           var options = 'scrollbars=1,resizable=1,menubar=0';
           options += ',width=700,height=600';
           stdeditbrowser = open(url,title,options,'1');
           stdeditbrowser.focus();
       }
   </script>
   ENDSTDBRW
   }
   
   sub selectstudent_link {
       my ($form,$unameele,$udomele)=@_;
      unless ($ENV{'request.course.id'}) { return ''; }  
      unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
           return '';
      }
       return "<a href='".'javascript:openstdbrowser("'.$form.'","'.$unameele.
           '","'.$udomele.'");'."'>Select</a>";
   }
   
 ###############################################################  ###############################################################
   
Line 465  sub help_open_topic { Line 528  sub help_open_topic {
   
     if (!$stayOnPage)      if (!$stayOnPage)
     {      {
  $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height'))";   $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
     }      }
     else      else
     {      {
Line 475  sub help_open_topic { Line 538  sub help_open_topic {
     # Add the text      # Add the text
     if ($text ne "")      if ($text ne "")
     {      {
  $template .= "<a href=\"$link\">$text</a> ";   $template .= 
     "<table bgcolor='#3333AA' cellspacing='1' cellpadding='1' border='0'><tr>".
     "<td bgcolor='#5555FF'><a href=\"$link\"><font color='#FFFFFF' size='2'>$text</a>";
     }      }
   
     # Add the graphic      # Add the graphic
     $template .= <<"ENDTEMPLATE";      $template .= <<"ENDTEMPLATE";
 <a href="$link"><image src="/adm/help/gif/smallHelp.gif" border="0" alt="(Help: $topic)"></a>   <a href="$link"><image src="/adm/help/gif/smallHelp.gif" border="0" alt="(Help: $topic)" /></a>
 ENDTEMPLATE  ENDTEMPLATE
       if ($text ne '') { $template.='</font></td></tr></table>' };
     return $template;      return $template;
   
 }  }
Line 735  sub authform_nochange{ Line 800  sub authform_nochange{
     my $result='';      my $result='';
     $result.=<<"END";      $result.=<<"END";
 <input type="radio" name="login" value="nochange" checked="checked"  <input type="radio" name="login" value="nochange" checked="checked"
        onclick="javascript:changed_radio('nochange',$in{'formname'});">         onclick="javascript:changed_radio('nochange',$in{'formname'});" />
 Do not change login data  Do not change login data
 END  END
     return $result;      return $result;
Line 751  sub authform_kerberos{ Line 816  sub authform_kerberos{
     $result.=<<"END";      $result.=<<"END";
 <input type="radio" name="login" value="krb"   <input type="radio" name="login" value="krb" 
        onclick="javascript:changed_radio('krb',$in{'formname'});"         onclick="javascript:changed_radio('krb',$in{'formname'});"
        onchange="javascript:changed_radio('krb',$in{'formname'});">         onchange="javascript:changed_radio('krb',$in{'formname'});" />
 Kerberos authenticated with domain  Kerberos authenticated with domain
 <input type="text" size="10" name="krbarg" value=""  <input type="text" size="10" name="krbarg" value=""
        onchange="javascript:changed_text('krb',$in{'formname'});">         onchange="javascript:changed_text('krb',$in{'formname'});" />
   <input type="radio" name="krbver" value="4" checked="on" />Version 4
   <input type="radio" name="krbver" value="5" />Version 5
 END  END
     return $result;      return $result;
 }  }
Line 769  sub authform_internal{ Line 836  sub authform_internal{
     $result.=<<"END";      $result.=<<"END";
 <input type="radio" name="login" value="int"  <input type="radio" name="login" value="int"
        onchange="javascript:changed_radio('int',$args{'formname'});"         onchange="javascript:changed_radio('int',$args{'formname'});"
        onclick="javascript:changed_radio('int',$args{'formname'});">         onclick="javascript:changed_radio('int',$args{'formname'});" />
 Internally authenticated (with initial password   Internally authenticated (with initial password 
 <input type="text" size="10" name="intarg" value=""  <input type="text" size="10" name="intarg" value=""
        onchange="javascript:changed_text('int',$args{'formname'});">         onchange="javascript:changed_text('int',$args{'formname'});" />)
 END  END
     return $result;      return $result;
 }  }
Line 787  sub authform_local{ Line 854  sub authform_local{
     $result.=<<"END";      $result.=<<"END";
 <input type="radio" name="login" value="loc"  <input type="radio" name="login" value="loc"
        onchange="javascript:changed_radio('loc',$in{'formname'});"         onchange="javascript:changed_radio('loc',$in{'formname'});"
        onclick="javascript:changed_radio('loc',$in{'formname'});">          onclick="javascript:changed_radio('loc',$in{'formname'});" />
 Local Authentication with argument  Local Authentication with argument
 <input type="text" size="10" name="locarg" value=""  <input type="text" size="10" name="locarg" value=""
        onchange="javascript:changed_text('loc',$in{'formname'});">         onchange="javascript:changed_text('loc',$in{'formname'});" />
 END  END
     return $result;      return $result;
 }  }
Line 805  sub authform_filesystem{ Line 872  sub authform_filesystem{
     $result.=<<"END";      $result.=<<"END";
 <input type="radio" name="login" value="fsys"   <input type="radio" name="login" value="fsys" 
        onchange="javascript:changed_radio('fsys',$in{'formname'});"         onchange="javascript:changed_radio('fsys',$in{'formname'});"
        onclick="javascript:changed_radio('fsys',$in{'formname'});">          onclick="javascript:changed_radio('fsys',$in{'formname'});" />
 Filesystem authenticated (with initial password   Filesystem authenticated (with initial password 
 <input type="text" size="10" name="fsysarg" value=""  <input type="text" size="10" name="fsysarg" value=""
        onchange="javascript:changed_text('fsys',$in{'formname'});">         onchange="javascript:changed_text('fsys',$in{'formname'});">)
 END  END
     return $result;      return $result;
 }  }
Line 930  sub get_related_words { Line 997  sub get_related_words {
 ##              End Thesaurus Functions                      ##  ##              End Thesaurus Functions                      ##
 ###############################################################  ###############################################################
   
   # -------------------------------------------------------------- Plaintext name
   
   sub plainname {
       my ($uname,$udom)=@_;
       my %names=&Apache::lonnet::get('environment',
                       ['firstname','middlename','lastname','generation'],
    $udom,$uname);
       my $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
    $names{'lastname'}.' '.$names{'generation'};
       $name=~s/\s+$//;
       $name=~s/\s+/ /g;
       return $name;
   }
   
   # -------------------------------------------------------------------- Nickname
   
   
   sub nickname {
       my ($uname,$udom)=@_;
       my %names=&Apache::lonnet::get('environment',
     ['nickname','firstname','middlename','lastname','generation'],$udom,$uname);
       my $name=$names{'nickname'};
       if ($name) {
          $name='&quot;'.$name.'&quot;'; 
       } else {
          $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
        $names{'lastname'}.' '.$names{'generation'};
          $name=~s/\s+$//;
          $name=~s/\s+/ /g;
       }
       return $name;
   }
   
   
   # ------------------------------------------------------------------ Screenname
   
   sub screenname {
       my ($uname,$udom)=@_;
       my %names=
    &Apache::lonnet::get('environment',['screenname'],$udom,$uname);
       return $names{'screenname'};
   }
   
   # ------------------------------------------------------------- Message Wrapper
   
   sub messagewrapper {
       my ($link,$un,$do)=@_;
       return 
   "<a href='/adm/email?compose=individual&recname=$un&recdom=$do'>$link</a>";
   }
   # --------------------------------------------------------------- Notes Wrapper
   
   sub noteswrapper {
       my ($link,$un,$do)=@_;
       return 
   "<a href='/adm/email?recordftf=retrieve&recname=$un&recdom=$do'>$link</a>";
   }
   # ------------------------------------------------------------- Aboutme Wrapper
   
   sub aboutmewrapper {
       my ($link,$username,$domain)=@_;
       return "<a href='/adm/$domain/$username/aboutme'>$link</a>";
   }
   
   # ------------------------------------------------------------ Syllabus Wrapper
   
   
   sub syllabuswrapper {
       my ($link,$un,$do,$tf)=@_;
       if ($tf) { $link='<font color="'.$tf.'">'.$link.'</font>'; }
       return "<a href='/public/$do/$un/syllabus'>$link</a>";
   }
   
 # ---------------------------------------------------------------- Language IDs  # ---------------------------------------------------------------- Language IDs
 sub languageids {  sub languageids {
     return sort(keys(%language));      return sort(keys(%language));
Line 1059  sub get_previous_attempt { Line 1199  sub get_previous_attempt {
 }  }
   
 sub get_student_view {  sub get_student_view {
   my ($symb,$username,$domain,$courseid) = @_;    my ($symb,$username,$domain,$courseid,$target) = @_;
   my ($map,$id,$feedurl) = split(/___/,$symb);    my ($map,$id,$feedurl) = split(/___/,$symb);
   my (%old,%moreenv);    my (%old,%moreenv);
   my @elements=('symb','courseid','domain','username');    my @elements=('symb','courseid','domain','username');
Line 1067  sub get_student_view { Line 1207  sub get_student_view {
     $old{$element}=$ENV{'form.grade_'.$element};      $old{$element}=$ENV{'form.grade_'.$element};
     $moreenv{'form.grade_'.$element}=eval '$'.$element #'      $moreenv{'form.grade_'.$element}=eval '$'.$element #'
   }    }
     if ($target eq 'tex') {$moreenv{'form.grade_target'} = 'tex';}
   &Apache::lonnet::appenv(%moreenv);    &Apache::lonnet::appenv(%moreenv);
   my $userview=&Apache::lonnet::ssi('/res/'.$feedurl);    my $userview=&Apache::lonnet::ssi('/res/'.$feedurl);
   &Apache::lonnet::delenv('form.grade_');    &Apache::lonnet::delenv('form.grade_');
Line 1126  sub maketime { Line 1267  sub maketime {
 }  }
   
   
   #########################################
   #
   # Retro-fixing of un-backward-compatible time format
   
   sub unsqltime {
       my $timestamp=shift;
       if ($timestamp=~/^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/) {
          $timestamp=&maketime(
      'year'=>$1,'month'=>$2,'day'=>$3,
              'hours'=>$4,'minutes'=>$5,'seconds'=>$6);
       }
       return $timestamp;
   }
   
   #########################################
   
 sub findallcourses {  sub findallcourses {
     my %courses=();      my %courses=();
     my $now=time;      my $now=time;
Line 1146  sub findallcourses { Line 1303  sub findallcourses {
 }  }
   
 ###############################################  ###############################################
   ###############################################
   
   =pod
   
   =item &determinedomain()
   
   Inputs: $domain (usually will be undef)
   
   Returns: Determines which domain should be used for designs
   
   =cut
   
   ###############################################
   sub determinedomain {
       my $domain=shift;
      if (! $domain) {
           # Determine domain if we have not been given one
           $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
           if ($ENV{'user.domain'}) { $domain=$ENV{'user.domain'}; }
           if ($ENV{'request.role.domain'}) { 
               $domain=$ENV{'request.role.domain'}; 
           }
       }
       return $domain;
   }
   ###############################################
   =pod
   
   =item &domainlogo()
   
   Inputs: $domain (usually will be undef)
   
   Returns: A link to a domain logo, if the domain logo exists.
   If the domain logo does not exist, a description of the domain.
   
   =cut
   ###############################################
   sub domainlogo {
       my $domain = &determinedomain(shift);    
        # See if there is a logo
       if (-e '/home/httpd/html/adm/lonDomLogos/'.$domain.'.gif') {
           return '<img src="http://'.$ENV{'HTTP_HOST'}.':8080/adm/lonDomLogos/'.
                  $domain.'.gif" />';
       } elsif(exists($Apache::lonnet::domaindescription{$domain})) {
           return $Apache::lonnet::domaindescription{$domain};
       } else {
           return '';
       }
   }
   ##############################################
   
   =pod
   
   =item &designparm()
   
   Inputs: $which parameter; $domain (usually will be undef)
   
   Returns: value of designparamter $which
   
   =cut
   ##############################################
   sub designparm {
       my ($which,$domain)=@_;
       $domain=&determinedomain($domain);
       if ($designhash{$domain.'.'.$which}) {
    return $designhash{$domain.'.'.$which};
       } else {
           return $designhash{'default.'.$which};
       }
   }
   
   ###############################################
   ###############################################
   
   =pod
   
   =item &bodytag()
   
   Returns a uniform header for LON-CAPA web pages.
   
   Inputs: 
   
    $title, A title to be displayed on the page.
    $function, the current role (can be undef).
    $addentries, extra parameters for the <body> tag.
    $bodyonly, if defined, only return the <body> tag.
    $domain, if defined, force a given domain.
   
   Returns: A uniform header for LON-CAPA web pages.  
   If $bodyonly is nonzero, a string containing a <body> tag will be returned.
   If $bodyonly is undef or zero, an html string containing a <body> tag and 
   other decorations will be returned.
   
   =cut
   
   ###############################################
   
   
   ###############################################
 sub bodytag {  sub bodytag {
     my ($title,$function,$addentries)=@_;      my ($title,$function,$addentries,$bodyonly,$domain)=@_;
     unless ($function) {      unless ($function) {
  $function='student';   $function='student';
         if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {          if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {
Line 1162  sub bodytag { Line 1417  sub bodytag {
             $function='author';              $function='author';
         }          }
     }      }
     my $img='';      my $img=&designparm($function.'.img',$domain);
     my $pgbg='';      my $pgbg=&designparm($function.'.pgbg',$domain);
     my $tabbg='';      my $tabbg=&designparm($function.'.tabbg',$domain);
     my $font='';      my $font=&designparm($function.'.font',$domain);
     my $link='';      my $link=&designparm($function.'.link',$domain);
     my $alink='#CC0000';      my $alink=&designparm($function.'.alink',$domain);
     my $vlink='';      my $vlink=&designparm($function.'.vlink',$domain);
     if ($function eq 'admin') {      my $sidebg=&designparm($function.'.sidebg',$domain);
         $img='admin';  
         $pgbg='#FFFFCC';   # role and realm
         $tabbg='#CCCC99';  
         $font='#772200';  
         $link='#663300';  
         $vlink='#666600';  
     } elsif ($function eq 'coordinator') {  
         $img='coordinator';  
         $pgbg='#CCFFFF';  
         $tabbg='#CCCCFF';  
         $font='#000044';  
         $link='#003333';  
         $vlink='#006633';  
    } elsif ($function eq 'author') {  
         $img='author';  
         $pgbg='#CCFFFF';  
         $tabbg='#CCFFCC';  
         $font='#004400';  
         $link='#003333';  
         $vlink='#006666';  
     } else {  
         $img='student';  
         $pgbg='#FFFFAA';  
         $tabbg='#FF9900';  
         $font='#991100';  
         $link='#993300';  
         $vlink='#996600';  
     }  
 # role and realm  
     my ($role,$realm)      my ($role,$realm)
        =&Apache::lonnet::plaintext((split(/\./,$ENV{'request.role'}))[0]);         =&Apache::lonnet::plaintext((split(/\./,$ENV{'request.role'}))[0]);
 # realm  # realm
Line 1208  sub bodytag { Line 1436  sub bodytag {
     }      }
     unless ($realm) { $realm='&nbsp;'; }      unless ($realm) { $realm='&nbsp;'; }
 # Set messages  # Set messages
     my $messages=localtime();      my $messages=&domainlogo($domain);
 # Output  # Output
     return(<<ENDBODY);      my $bodytag = <<END;
 <body bgcolor="$pgbg" text="$font" alink="$alink" vlink="$vlink" link="$link"  <body bgcolor="$pgbg" text="$font" alink="$alink" vlink="$vlink" link="$link"
 $addentries>  $addentries>
   END
       if ($bodyonly) {
           return $bodytag;
       } else {
           return(<<ENDBODY);
   $bodytag
 <table width="100%" cellspacing="0" border="0" cellpadding="0">  <table width="100%" cellspacing="0" border="0" cellpadding="0">
 <tr><td bgcolor="$font">  <tr><td bgcolor="$font">
 <img src="/adm/lonInterFace/$img.jpg" /></td>  <img src="http://$ENV{'HTTP_HOST'}:8080/$img" /></td>
 <td bgcolor="$font"><font color='$pgbg'>$messages</font></td>  <td bgcolor="$font"><font color='$sidebg'>$messages</font></td>
 </tr>  </tr>
 <tr>  <tr>
 <td rowspan="3" bgcolor="$tabbg">  <td rowspan="3" bgcolor="$tabbg">
Line 1237  $addentries> Line 1471  $addentries>
 <td bgcolor="$tabbg" align="right"><font size="2">$realm</font>&nbsp;</td></tr>  <td bgcolor="$tabbg" align="right"><font size="2">$realm</font>&nbsp;</td></tr>
 </table><br>  </table><br>
 ENDBODY  ENDBODY
       }
 }  }
 ###############################################  ###############################################
   
Line 1425  return HTML code to select file and spec Line 1660  return HTML code to select file and spec
   
 sub upfile_select_html {  sub upfile_select_html {
     return (<<'ENDUPFORM');      return (<<'ENDUPFORM');
 <input type="file" name="upfile" size="50">  <input type="file" name="upfile" size="50" />
 <br />Type: <select name="upfiletype">  <br />Type: <select name="upfiletype">
 <option value="csv">CSV (comma separated values, spreadsheet)</option>  <option value="csv">CSV (comma separated values, spreadsheet)</option>
 <option value="space">Space separated</option>  <option value="space">Space separated</option>
Line 1628  will result in $ENV{'form.uname'} and $E Line 1863  will result in $ENV{'form.uname'} and $E
   
 returns cache-controlling header code  returns cache-controlling header code
   
 =item nocache()   =item no_cache($r) 
   
 specifies header code to not have cache  specifies header code to not have cache
   

Removed from v.1.56  
changed lines
  Added in v.1.77


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