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Diff for /loncom/interface/lonpreferences.pm between versions 1.34 and 1.79

version 1.34, 2004/01/14 15:51:07 version 1.79, 2006/03/24 18:09:27
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # (Internal Server Error Handler  
 #  
 # (Login Screen  
 # 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,  
 # 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)  
 #  
 # 3/1/1 Gerd Kortemeyer)  
 #  
 # 3/1 Gerd Kortemeyer  
 #  
 # 2/13/02 2/14 2/15 Matthew Hall  
 #  
 # This package uses the "londes.js" javascript code.   # This package uses the "londes.js" javascript code. 
 #  #
 # TODOs that have to be completed:  # TODOs that have to be completed:
Line 52  use DynaLoader; # for Crypt::DES version Line 40  use DynaLoader; # for Crypt::DES version
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonhtmlcommon();  use Apache::lonhtmlcommon();
 use Apache::lonlocal;  use Apache::lonlocal;
   use Apache::lonnet;
   
 #  #
 # Write lonnet::passwd to do the call below.  # Write lonnet::passwd to do the call below.
Line 63  use Apache::lonlocal; Line 52  use Apache::lonlocal;
 ##################################################  ##################################################
 sub des_keys {  sub des_keys {
     # Make a new key for DES encryption.      # Make a new key for DES encryption.
     # Each key has two parts which are returned seperately.      # Each key has two parts which are returned separately.
     # Please note:  Each key must be passed through the &hex function      # Please note:  Each key must be passed through the &hex function
     # before it is output to the web browser.  The hex versions cannot      # before it is output to the web browser.  The hex versions cannot
     # be used to decrypt.      # be used to decrypt.
Line 104  sub des_decrypt { Line 93  sub des_decrypt {
 ################################################################  ################################################################
 #         Language Change Subroutines                          #  #         Language Change Subroutines                          #
 ################################################################  ################################################################
   
   sub wysiwygchanger {
       my $r = shift;
       my %userenv = &Apache::lonnet::get
           ('environment',['wysiwygeditor']);
       my $onselect='checked="checked"';
       my $offselect='';
       if ($userenv{'wysiwygeditor'} eq 'on') {
    $onselect='';
    $offselect='checked="checked"';
       }
       my $switchoff=&mt('Disable WYSIWYG editor');
       my $switchon=&mt('Enable WYSIWYG editor');
       $r->print(<<ENDLSCREEN);
   <form name="prefs" action="/adm/preferences" method="POST">
   <input type="hidden" name="action" value="set_wysiwyg" />
   <br />
   <label><input type="radio" name="wysiwyg" value="off" $onselect /> $switchoff</label><br />
   <label><input type="radio" name="wysiwyg" value="on" $offselect /> $switchon</label>
   ENDLSCREEN
       $r->print('<br /><input type="submit" value="'.&mt('Change').'" />');
   }
   
   
   sub verify_and_change_wysiwyg {
       my $r = shift;
       my $newsetting=$env{'form.wysiwyg'};
       &Apache::lonnet::put('environment',{'wysiwygeditor' => $newsetting});
       &Apache::lonnet::appenv('environment.wysiwygeditor' => $newsetting);
       $r->print('<p>'.&mt('Setting WYSIWYG editor to:').' '.&mt($newsetting).'</p>');
   }
   
   ################################################################
   #         Language Change Subroutines                          #
   ################################################################
 sub languagechanger {  sub languagechanger {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
     my %userenv = &Apache::lonnet::get      my %userenv = &Apache::lonnet::get
         ('environment',['languages']);          ('environment',['languages']);
     my $language=$userenv{'languages'};      my $language=$userenv{'languages'};
   
     my $bodytag=&Apache::loncommon::bodytag(  
               'Change Your Language Preferences');  
     my $pref=&mt('Preferred language');      my $pref=&mt('Preferred language');
     my %langchoices=('' => 'No language preference');      my %langchoices=('' => 'No language preference');
     foreach (&Apache::loncommon::languageids()) {      foreach (&Apache::loncommon::languageids()) {
Line 125  sub languagechanger { Line 147  sub languagechanger {
     my $selectionbox=&Apache::loncommon::select_form($language,'language',      my $selectionbox=&Apache::loncommon::select_form($language,'language',
      %langchoices);       %langchoices);
     $r->print(<<ENDLSCREEN);      $r->print(<<ENDLSCREEN);
 <html>  <form name="prefs" action="/adm/preferences" method="POST">
 $bodytag  
   
 <form name="server" action="/adm/preferences" method="post">  
 <input type="hidden" name="action" value="verify_and_change_languages" />  <input type="hidden" name="action" value="verify_and_change_languages" />
 <br />$pref: $selectionbox  <br />$pref: $selectionbox
 ENDLSCREEN  ENDLSCREEN
     $r->print('<br /><input type="submit" value="'.&mt('Change').'" /></form></body></html>');      $r->print('<br /><input type="submit" value="'.&mt('Change').'" />');
 }  }
   
   
 sub verify_and_change_languages {  sub verify_and_change_languages {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
 # Screenname  # Screenname
     my $newlanguage  = $ENV{'form.language'};      my $newlanguage  = $env{'form.language'};
     $newlanguage=~s/[^\-\w]//g;      $newlanguage=~s/[^\-\w]//g;
     my $message='';      my $message='';
     if ($newlanguage) {      if ($newlanguage) {
Line 153  sub verify_and_change_languages { Line 172  sub verify_and_change_languages {
         &Apache::lonnet::delenv('environment\.languages');          &Apache::lonnet::delenv('environment\.languages');
         $message='Reset preferred language';          $message='Reset preferred language';
     }      }
     my $bodytag=&Apache::loncommon::bodytag(  
                     'Change Your Language Preferences');  
     $r->print(<<ENDVCSCREEN);      $r->print(<<ENDVCSCREEN);
 <html>  $message
 $bodytag  ENDVCSCREEN
   }
   
   ################################################################
   #         Tex Engine Change Subroutines                        #
   ################################################################
   sub texenginechanger {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my %userenv = &Apache::lonnet::get('environment',['texengine']);
       my $texengine=$userenv{'texengine'};
   
       my $pref=&mt('Preferred method to display Math');
       my %mathchoices=('' => 'Default',
        'tth' => 'TeX to HTML',
        #'ttm' => 'TeX to MathML',
        'jsMath' => 'jsMath',
        'mimetex' => 'Convert to Images'
                        );
       my $selectionbox=&Apache::loncommon::select_form($texengine,'texengine',
        %mathchoices);
       my $jsMath_start=&Apache::lontexconvert::jsMath_header();
       my $change=&mt('Change');
       $r->print(<<ENDLSCREEN);
   <br />
   
   <form name="prefs" action="/adm/preferences" method="POST">
   <input type="hidden" name="action" value="verify_and_change_texengine" />
   <p>$pref: $selectionbox</p>
   <p><input type="submit" value="$change" /></p>
   </form>
   Examples:
   <p> TeX to HTML <br /> 
   <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=tth" width="400" hieght="200"></iframe>
   </p>
   <p>jsMath <br /> 
   $jsMath_start
   <script type="text/javascript">
   if (jsMath.nofonts == 1) {
       document.writeln
           ('<center><div style="padding: 10; border-style: solid; border-width:3;'
    +' border-color: #DD0000; background-color: #FFF8F8; width: 75%; text-align: left">'
    +'<small><font color="#AA0000"><b>Warning:</b> '
    +'It looks like you don\\\'t have the TeX math fonts installed. '
    +'The jsMath example on this page may not look right without them. '
    +'The <a href="http://www.math.union.edu/locate/jsMath/" target="_blank"> '
    +'jsMath Home Page</a> has information on how to download the '
    +'needed fonts.  In the meantime, jsMath will do the best it can '
    +'with the fonts you have, but it may not be pretty and some equations '
    +'may not be rendered correctly. '
    +'</font></small></div></center>');
   }
   </script>
   <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=jsMath" width="400" hieght="200"></iframe>
   
 </p>  </p>
   <p> Convert to Images <br />
   <br />
   <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=mimetex" width="400" hieght="200"></iframe>
   </p>
   ENDLSCREEN
       if ($env{'environment.texengine'} ne 'jsMath') {
    $r->print('<script type="text/javascript">jsMath.Process()</script>');
       }
   }
   
   
   sub verify_and_change_texengine {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
   # Screenname
       my $newtexengine  = $env{'form.texengine'};
       $newtexengine=~s/[^\-\w]//g;
       if ($newtexengine eq 'ttm') {
    &Apache::lonnet::appenv('browser.mathml' => 1);
       } else {
    if ($env{'environment.texengine'} eq 'ttm') {
       &Apache::lonnet::appenv('browser.mathml' => 0);
    }
       }
       my $message='';
       if ($newtexengine) {
           &Apache::lonnet::put('environment',{'texengine' => $newtexengine});
           &Apache::lonnet::appenv('environment.texengine' => $newtexengine);
           $message='Set new preferred math display to '.$newtexengine;
       } else {
           &Apache::lonnet::del('environment',['texengine']);
           &Apache::lonnet::delenv('environment\.texengine');
           $message='Reset preferred math display.';
       }
   
   
       $r->print(<<ENDVCSCREEN);
 $message  $message
 </body></html>  
 ENDVCSCREEN  ENDVCSCREEN
 }  }
   
   ################################################################
   #         Roles Page Preference Change Subroutines         #
   ################################################################
   sub rolesprefchanger {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my %userenv = &Apache::lonnet::get
           ('environment',['recentroles','recentrolesn']);
       my $hotlist_flag=$userenv{'recentroles'};
       my $hotlist_n=$userenv{'recentrolesn'};
       my $checked;
       if ($hotlist_flag) {
    $checked = 'checked="checked"';
       }
       
       if (!$hotlist_n) { $hotlist_n=3; }
       my $options;
       for (my $i=1; $i<10; $i++) {
    my $select;
    if ($hotlist_n == $i) { $select = 'selected="selected"'; }
    $options .= "<option $select>$i</option>\n";
       }
   
       $r->print(<<ENDSCREEN);
   <p>Some LON-CAPA users have a long list of roles. The Recent Roles Hotlist
   feature keeps track of the last N roles which have been
   visited and places a table of these at the top of the roles page.
   People with very few roles should leave this feature disabled.
   </p>
   
   <form name="prefs" action="/adm/preferences" method="POST">
   <input type="hidden" name="action" value="verify_and_change_rolespref" />
   <br />Enable Recent Roles Hotlist:
   <input type="checkbox" $checked name="recentroles" value="true" />
   <br />Number of roles in Hotlist:
   <select name="recentrolesn" size="1">
   $options
   </select>
   <br />
   <input type="submit" value="Change" />
   </form>
   ENDSCREEN
   }
   
   sub verify_and_change_rolespref {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
   # Recent Roles Hotlist Flag
       my $hotlist_flag  = $env{'form.recentroles'};
       my $hotlist_n  = $env{'form.recentrolesn'};
       my $message='';
       if ($hotlist_flag) {
           &Apache::lonnet::put('environment',{'recentroles' => $hotlist_flag});
           &Apache::lonnet::appenv('environment.recentroles' => $hotlist_flag);
           $message='Recent Roles Hotlist is Enabled';
       } else {
           &Apache::lonnet::del('environment',['recentroles']);
           &Apache::lonnet::delenv('environment\.recentroles');
           $message='Recent Roles Hotlist is Disabled';
       }
       if ($hotlist_n) {
           &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n});
           &Apache::lonnet::appenv('environment.recentrolesn' => $hotlist_n);
           if ($hotlist_flag) {
               $message.="<br />Display $hotlist_n Most Recent Roles\n";
           }
       }
   
       $r->print(<<ENDRPSCREEN);
   $message
   ENDRPSCREEN
   }
   
   
   
 ################################################################  ################################################################
 #         Anonymous Discussion Name Change Subroutines         #  #         Anonymous Discussion Name Change Subroutines         #
 ################################################################  ################################################################
 sub screennamechanger {  sub screennamechanger {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
     my %userenv = &Apache::lonnet::get      my %userenv = &Apache::lonnet::get
         ('environment',['screenname','nickname']);          ('environment',['screenname','nickname']);
     my $screenname=$userenv{'screenname'};      my $screenname=$userenv{'screenname'};
     my $nickname=$userenv{'nickname'};      my $nickname=$userenv{'nickname'};
     my $bodytag=&Apache::loncommon::bodytag(  
               'Change Your Nickname and Anonymous Screen Name');  
     $r->print(<<ENDSCREEN);      $r->print(<<ENDSCREEN);
 <html>  <form name="prefs" action="/adm/preferences" method="POST">
 $bodytag  
   
 <form name="server" action="/adm/preferences" method="post">  
 <input type="hidden" name="action" value="verify_and_change_screenname" />  <input type="hidden" name="action" value="verify_and_change_screenname" />
 <br />New screenname (shown if you post anonymously):  <br />New screenname (shown if you post anonymously):
 <input type="text" size="20" value="$screenname" name="screenname" />  <input type="text" size="20" value="$screenname" name="screenname" />
Line 190  $bodytag Line 370  $bodytag
 <input type="text" size="20" value="$nickname" name="nickname" />  <input type="text" size="20" value="$nickname" name="nickname" />
 <input type="submit" value="Change" />  <input type="submit" value="Change" />
 </form>  </form>
 </body>  
 </html>  
 ENDSCREEN  ENDSCREEN
 }  }
   
 sub verify_and_change_screenname {  sub verify_and_change_screenname {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
 # Screenname  # Screenname
     my $newscreen  = $ENV{'form.screenname'};      my $newscreen  = $env{'form.screenname'};
     $newscreen=~s/[^ \w]//g;      $newscreen=~s/[^ \w]//g;
     my $message='';      my $message='';
     if ($newscreen) {      if ($newscreen) {
Line 214  sub verify_and_change_screenname { Line 392  sub verify_and_change_screenname {
     }      }
 # Nickname  # Nickname
     $message.='<br />';      $message.='<br />';
     $newscreen  = $ENV{'form.nickname'};      $newscreen  = $env{'form.nickname'};
     $newscreen=~s/[^ \w]//g;      $newscreen=~s/[^ \w]//g;
     if ($newscreen) {      if ($newscreen) {
         &Apache::lonnet::put('environment',{'nickname' => $newscreen});          &Apache::lonnet::put('environment',{'nickname' => $newscreen});
Line 225  sub verify_and_change_screenname { Line 403  sub verify_and_change_screenname {
         &Apache::lonnet::delenv('environment\.nickname');          &Apache::lonnet::delenv('environment\.nickname');
         $message.='Reset nickname';          $message.='Reset nickname';
     }      }
       &Apache::lonnet::devalidate_cache_new('namescache',$user.':'.$domain);
     my $bodytag=&Apache::loncommon::bodytag(  
                     'Change Your Nickname and Anonymous Screen Name');  
     $r->print(<<ENDVCSCREEN);      $r->print(<<ENDVCSCREEN);
 <html>  
 $bodytag  
 </p>  
 $message  $message
 </body></html>  
 ENDVCSCREEN  ENDVCSCREEN
 }  }
   
Line 243  ENDVCSCREEN Line 415  ENDVCSCREEN
   
 sub msgforwardchanger {  sub msgforwardchanger {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
     my %userenv = &Apache::lonnet::get('environment',['msgforward','notification','critnotification']);      my %userenv = &Apache::lonnet::get('environment',['msgforward','notification','critnotification']);
     my $msgforward=$userenv{'msgforward'};      my $msgforward=$userenv{'msgforward'};
     my $notification=$userenv{'notification'};      my $notification=$userenv{'notification'};
     my $critnotification=$userenv{'critnotification'};      my $critnotification=$userenv{'critnotification'};
     my $bodytag=&Apache::loncommon::bodytag(  
                     'Change Your Message Forwarding and Notification');  
     my $forwardingHelp = Apache::loncommon::help_open_topic("Prefs_Forwarding",      my $forwardingHelp = Apache::loncommon::help_open_topic("Prefs_Forwarding",
     "What are forwarding ".      "What are forwarding ".
     "and notification ".      "and notification ".
Line 259  sub msgforwardchanger { Line 429  sub msgforwardchanger {
  "What are critical messages");   "What are critical messages");
   
     $r->print(<<ENDMSG);      $r->print(<<ENDMSG);
 <html>  
 $bodytag  
 $forwardingHelp <br />  $forwardingHelp <br />
 <form name="server" action="/adm/preferences" method="post">  <form name="prefs" action="/adm/preferences" method="POST">
 <input type="hidden" name="action" value="verify_and_change_msgforward" />  <input type="hidden" name="action" value="verify_and_change_msgforward" />
 New Forwarding Address(es) (<tt>user:domain,user:domain,...</tt>):  New Forwarding Address(es) (<tt>user:domain,user:domain,...</tt>):
 <input type="text" size="40" value="$msgforward" name="msgforward" /><hr />  <input type="text" size="40" value="$msgforward" name="msgforward" /><hr />
Line 272  New Critical Message Notification Email Line 440  New Critical Message Notification Email
 <input type="text" size="40" value="$critnotification" name="critnotification" />$criticalMessageHelp<hr />  <input type="text" size="40" value="$critnotification" name="critnotification" />$criticalMessageHelp<hr />
 <input type="submit" value="Change" />  <input type="submit" value="Change" />
 </form>  </form>
 </body>  
 </html>  
 ENDMSG  ENDMSG
 }  }
   
 sub verify_and_change_msgforward {  sub verify_and_change_msgforward {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
     my $newscreen  = '';      my $newscreen  = '';
     my $message='';      my $message='';
     foreach (split(/\,/,$ENV{'form.msgforward'})) {      foreach (split(/\,/,$env{'form.msgforward'})) {
  my ($msuser,$msdomain)=split(/[\@\:]/,$_);   my ($msuser,$msdomain)=split(/[\@\:]/,$_);
         $msuser=~s/\W//g;          $msuser=~s/\W//g;
         $msdomain=~s/\W//g;          $msdomain=~s/\W//g;
Line 305  sub verify_and_change_msgforward { Line 471  sub verify_and_change_msgforward {
         &Apache::lonnet::delenv('environment\.msgforward');          &Apache::lonnet::delenv('environment\.msgforward');
         $message.='Reset message forwarding<br />';          $message.='Reset message forwarding<br />';
     }      }
     my $notification=$ENV{'form.notification'};      my $notification=$env{'form.notification'};
     $notification=~s/\s//gs;      $notification=~s/\s//gs;
     if ($notification) {      if ($notification) {
         &Apache::lonnet::put('environment',{'notification' => $notification});          &Apache::lonnet::put('environment',{'notification' => $notification});
Line 316  sub verify_and_change_msgforward { Line 482  sub verify_and_change_msgforward {
         &Apache::lonnet::delenv('environment\.notification');          &Apache::lonnet::delenv('environment\.notification');
         $message.='Reset message notification<br />';          $message.='Reset message notification<br />';
     }      }
     my $critnotification=$ENV{'form.critnotification'};      my $critnotification=$env{'form.critnotification'};
     $critnotification=~s/\s//gs;      $critnotification=~s/\s//gs;
     if ($critnotification) {      if ($critnotification) {
         &Apache::lonnet::put('environment',{'critnotification' => $critnotification});          &Apache::lonnet::put('environment',{'critnotification' => $critnotification});
Line 327  sub verify_and_change_msgforward { Line 493  sub verify_and_change_msgforward {
         &Apache::lonnet::delenv('environment\.critnotification');          &Apache::lonnet::delenv('environment\.critnotification');
         $message.='Reset critical message notification<br />';          $message.='Reset critical message notification<br />';
     }      }
     my $bodytag=&Apache::loncommon::bodytag(  
                            'Change Your Message Forwarding and Notifications');  
     $r->print(<<ENDVCMSG);      $r->print(<<ENDVCMSG);
 <html>  
 $bodytag  
 </p>  
 $message  $message
 </body></html>  
 ENDVCMSG  ENDVCMSG
 }  }
   
Line 344  ENDVCMSG Line 504  ENDVCMSG
   
 sub colorschanger {  sub colorschanger {
     my $r = shift;      my $r = shift;
     my $bodytag=&Apache::loncommon::bodytag(  
                     'Change Color Scheme for Current Role Type','',  
                     'onUnload="pclose();"');  
 # figure out colors  # figure out colors
     my $function='student';      my $function='student';
     if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {      if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
  $function='coordinator';   $function='coordinator';
     }      }
     if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {      if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
  $function='admin';   $function='admin';
     }      }
     if (($ENV{'request.role'}=~/^(au|ca)/) ||      if (($env{'request.role'}=~/^(au|ca)/) ||
  ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {   ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
  $function='author';   $function='author';
     }      }
Line 379  sub colorschanger { Line 536  sub colorschanger {
     }      }
     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();      my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
     $r->print(<<ENDCOL);      $r->print(<<ENDCOL);
 <html>  
 <script>  <script>
   
     function pclose() {      function pclose() {
Line 394  sub colorschanger { Line 550  sub colorschanger {
         pclose();          pclose();
         if (document.parmform.pres_marker.value!='') {          if (document.parmform.pres_marker.value!='') {
             if (document.parmform.pres_type.value!='') {              if (document.parmform.pres_type.value!='') {
                 eval('document.server.'+                  eval('document.prefs.'+
                      document.parmform.pres_marker.value+                       document.parmform.pres_marker.value+
      '.value=document.parmform.pres_value.value;');       '.value=document.parmform.pres_value.value;');
     }      }
Line 406  sub colorschanger { Line 562  sub colorschanger {
   
   
 </script>  </script>
 $bodytag  
 <form name="parmform">  <form name="parmform">
 <input type="hidden" name="pres_marker" />  <input type="hidden" name="pres_marker" />
 <input type="hidden" name="pres_type" />  <input type="hidden" name="pres_type" />
 <input type="hidden" name="pres_value" />  <input type="hidden" name="pres_value" />
 </form>  </form>
 <form name="server" action="/adm/preferences" method="post">  <form name="prefs" action="/adm/preferences" method="POST">
 <input type="hidden" name="action" value="verify_and_change_colors" />  <input type="hidden" name="action" value="verify_and_change_colors" />
 <table border="2">  <table border="2">
 $chtable  $chtable
Line 420  $chtable Line 575  $chtable
 <input type="submit" value="Change Custom Colors" />  <input type="submit" value="Change Custom Colors" />
 <input type="submit" name="resetall" value="Reset All Colors to Default" />  <input type="submit" name="resetall" value="Reset All Colors to Default" />
 </form>  </form>
 </body>  
 </html>  
 ENDCOL  ENDCOL
 }  }
   
Line 429  sub verify_and_change_colors { Line 582  sub verify_and_change_colors {
     my $r = shift;      my $r = shift;
 # figure out colors  # figure out colors
     my $function='student';      my $function='student';
     if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {      if ($env{'request.role'}=~/^(cc|in|ta|ep)/) {
  $function='coordinator';   $function='coordinator';
     }      }
     if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {      if ($env{'request.role'}=~/^(su|dc|ad|li)/) {
  $function='admin';   $function='admin';
     }      }
     if (($ENV{'request.role'}=~/^(au|ca)/) ||      if (($env{'request.role'}=~/^(au|ca)/) ||
  ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {   ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {
  $function='author';   $function='author';
     }      }
Line 450  sub verify_and_change_colors { Line 603  sub verify_and_change_colors {
   
     my $message='';      my $message='';
     foreach my $item (keys %colortypes) {      foreach my $item (keys %colortypes) {
         my $color=$ENV{'form.'.$item};          my $color=$env{'form.'.$item};
         my $entry='color.'.$function.'.'.$item;          my $entry='color.'.$function.'.'.$item;
  if (($color=~/^\#[0-9A-Fa-f]{6}$/) && (!$ENV{'form.resetall'})) {   if (($color=~/^\#[0-9A-Fa-f]{6}$/) && (!$env{'form.resetall'})) {
     &Apache::lonnet::put('environment',{$entry => $color});      &Apache::lonnet::put('environment',{$entry => $color});
     &Apache::lonnet::appenv('environment.'.$entry => $color);      &Apache::lonnet::appenv('environment.'.$entry => $color);
     $message.='Set '.$colortypes{$item}.' to '.$color.'<br />';      $message.='Set '.$colortypes{$item}.' to '.$color.'<br />';
Line 462  sub verify_and_change_colors { Line 615  sub verify_and_change_colors {
     $message.='Reset '.$colortypes{$item}.'<br />';      $message.='Reset '.$colortypes{$item}.'<br />';
  }   }
     }      }
     my $bodytag=&Apache::loncommon::bodytag(  
                            'Change Color Scheme for Current Role Type');  
     $r->print(<<ENDVCCOL);      $r->print(<<ENDVCCOL);
 <html>  
 $bodytag  
 </p>  
 $message  $message
 <form name="client" action="/adm/preferences" method="post">  <form name="client" action="/adm/preferences" method="POST">
 <input type="hidden" name="action" value="changecolors" />  <input type="hidden" name="action" value="changecolors" />
 <input type="submit" value="Revise color scheme again" />  
 </form>  </form>
 </body></html>  
 ENDVCCOL  ENDVCCOL
 }  }
   
Line 486  sub passwordchanger { Line 632  sub passwordchanger {
     my $r = shift;      my $r = shift;
     my $errormessage = shift;      my $errormessage = shift;
     $errormessage = ($errormessage || '');      $errormessage = ($errormessage || '');
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
     my $homeserver = $ENV{'user.home'};      my $homeserver = $env{'user.home'};
     my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);      my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
     # Check for authentication types that allow changing of the password.      # Check for authentication types that allow changing of the password.
     return if ($currentauth !~ /^(unix|internal):/);      return if ($currentauth !~ /^(unix|internal):/);
Line 513  sub passwordchanger { Line 659  sub passwordchanger {
     $lkey_npass2= hex($lkey_npass2);      $lkey_npass2= hex($lkey_npass2);
     # Output javascript to deal with passwords      # Output javascript to deal with passwords
     # Output DES javascript      # Output DES javascript
     $r->print("<html><head>");  
     {      {
  my $include = $r->dir_config('lonIncludes');   my $include = $r->dir_config('lonIncludes');
  my $jsh=Apache::File->new($include."/londes.js");   my $jsh=Apache::File->new($include."/londes.js");
  $r->print(<$jsh>);   $r->print(<$jsh>);
     }      }
     my $bodytag=&Apache::loncommon::bodytag('Change Password','',  
                                          'onLoad="init();"');  
     $r->print(<<ENDFORM);      $r->print(<<ENDFORM);
 </head>  
 $bodytag  
   
 <script language="JavaScript">  <script language="JavaScript">
   
     function send() {      function send() {
Line 532  $bodytag Line 672  $bodytag
         lextkey=this.document.client.elements.lkey_cpass.value;          lextkey=this.document.client.elements.lkey_cpass.value;
         initkeys();          initkeys();
   
         this.document.server.elements.currentpass.value          this.document.pserver.elements.currentpass.value
             =crypted(this.document.client.elements.currentpass.value);              =crypted(this.document.client.elements.currentpass.value);
   
         uextkey=this.document.client.elements.ukey_npass1.value;          uextkey=this.document.client.elements.ukey_npass1.value;
         lextkey=this.document.client.elements.lkey_npass1.value;          lextkey=this.document.client.elements.lkey_npass1.value;
         initkeys();          initkeys();
         this.document.server.elements.newpass_1.value          this.document.pserver.elements.newpass_1.value
             =crypted(this.document.client.elements.newpass_1.value);              =crypted(this.document.client.elements.newpass_1.value);
   
         uextkey=this.document.client.elements.ukey_npass2.value;          uextkey=this.document.client.elements.ukey_npass2.value;
         lextkey=this.document.client.elements.lkey_npass2.value;          lextkey=this.document.client.elements.lkey_npass2.value;
         initkeys();          initkeys();
         this.document.server.elements.newpass_2.value          this.document.pserver.elements.newpass_2.value
             =crypted(this.document.client.elements.newpass_2.value);              =crypted(this.document.client.elements.newpass_2.value);
   
         this.document.server.submit();          this.document.pserver.submit();
     }      }
   
 </script>  </script>
 $errormessage  $errormessage
   
 <p>  <p>
 <!-- We seperate the forms into 'server' and 'client' in order to  <!-- We separate the forms into 'server' and 'client' in order to
      ensure that unencrypted passwords will not be sent out by a       ensure that unencrypted passwords will not be sent out by a
      crappy browser -->       crappy browser -->
   
 <form name="server" action="/adm/preferences" method="post">  <form name="pserver" action="/adm/preferences" method="POST">
 <input type="hidden" name="logtoken"    value="$logtoken" />  <input type="hidden" name="logtoken"    value="$logtoken" />
 <input type="hidden" name="action"      value="verify_and_change_pass" />  <input type="hidden" name="action"      value="verify_and_change_pass" />
 <input type="hidden" name="currentpass" value="" />  <input type="hidden" name="currentpass" value="" />
Line 592  ENDFORM Line 732  ENDFORM
   
 sub verify_and_change_password {  sub verify_and_change_password {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $ENV{'user.domain'};      my $domain     = $env{'user.domain'};
     my $homeserver = $ENV{'user.home'};      my $homeserver = $env{'user.home'};
     my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);      my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
     # Check for authentication types that allow changing of the password.      # Check for authentication types that allow changing of the password.
     return if ($currentauth !~ /^(unix|internal):/);      return if ($currentauth !~ /^(unix|internal):/);
     #      #
     $r->print(<<ENDHEADER);      my $currentpass = $env{'form.currentpass'}; 
 <html>      my $newpass1    = $env{'form.newpass_1'}; 
 <head>      my $newpass2    = $env{'form.newpass_2'};
 <title>LON-CAPA Preferences:  Change password for $user</title>      my $logtoken    = $env{'form.logtoken'};
 </head>  
 ENDHEADER  
     #  
     my $currentpass = $ENV{'form.currentpass'};   
     my $newpass1    = $ENV{'form.newpass_1'};   
     my $newpass2    = $ENV{'form.newpass_2'};  
     my $logtoken    = $ENV{'form.logtoken'};  
     # Check for empty data       # Check for empty data 
     unless (defined($currentpass) &&       unless (defined($currentpass) && 
     defined($newpass1)    &&       defined($newpass1)    && 
Line 630  password decryption.  Please log out and Line 763  password decryption.  Please log out and
 </p>  </p>
 ENDERROR  ENDERROR
         # Probably should log an error here          # Probably should log an error here
         return;          return 1;
     }      }
     my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);      my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);
     #       # 
Line 643  ENDERROR Line 776  ENDERROR
  '<font color="#ff0000">ERROR:</font>'.   '<font color="#ff0000">ERROR:</font>'.
  'The new passwords you entered do not match.  '.   'The new passwords you entered do not match.  '.
  'Please try again.');   'Please try again.');
  return;   return 1;
     }      }
     if (length($newpass1) < 7) {      if (length($newpass1) < 7) {
  &passwordchanger($r,   &passwordchanger($r,
  '<font color="#ff0000">ERROR:</font>'.   '<font color="#ff0000">ERROR:</font>'.
  'Passwords must be a minimum of 7 characters long.  '.   'Passwords must be a minimum of 7 characters long.  '.
  'Please try again.');   'Please try again.');
  return;   return 1;
     }      }
     #      #
     # Check for bad characters      # Check for bad characters
Line 685  ENDTEXT Line 818  ENDTEXT
 <h2><font color="#ff0000">The password for $user was not changed</font></h2>  <h2><font color="#ff0000">The password for $user was not changed</font></h2>
 Please make sure your old password was entered correctly.  Please make sure your old password was entered correctly.
 ENDERROR  ENDERROR
           return 1;
     }      }
     return;      return;
 }  }
   
   ################################################################
   #            discussion display subroutines 
   ################################################################
   sub discussionchanger {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my %userenv = &Apache::lonnet::get
           ('environment',['discdisplay','discmarkread']);
       my $discdisp = 'allposts';
       my $discmark = 'onmark';
   
       if (defined($userenv{'discdisplay'})) {
           unless ($userenv{'discdisplay'} eq '') { 
               $discdisp = $userenv{'discdisplay'};
           }
       }
       if (defined($userenv{'discmarkread'})) {
           unless ($userenv{'discdisplay'} eq '') { 
               $discmark = $userenv{'discmarkread'};
           }
       }
   
       my $newdisp = 'unread';
       my $newmark = 'ondisp';
   
       my $function = &Apache::loncommon::get_users_function();
       my $color = &Apache::loncommon::designparm($function.'.tabbg',
                                                       $env{'user.domain'});
       my %lt = &Apache::lonlocal::texthash(
           'pref' => 'Display Preference',
           'curr' => 'Current setting ',
           'actn' => 'Action',
           'sdpf' => 'Set display preferences for discussion posts for both bulletin boards and individual resources in all your courses.',
           'prca' => 'Preferences can be set that determine',
           'whpo' => 'Which posts are displayed when you display a bulletin board or resource, and',
           'unwh' => 'Under what circumstances posts are identfied as "New"',
           'allposts' => 'All posts',
           'unread' => 'New posts only',
           'ondisp' => 'Once displayed',
           'onmark' => 'Once marked as read',
           'disa' => 'Posts displayed?',
           'npmr' => 'New posts cease to be identified as "New"?',
           'thde'  => 'The preferences you set here can be overridden within each individual discussion.',
           'chgt' => 'Change to '
       );
       my $dispchange = $lt{'unread'};
       my $markchange = $lt{'ondisp'};
       my $currdisp = $lt{'allposts'};
       my $currmark = $lt{'onmark'};
   
       if ($discdisp eq 'unread') {
           $dispchange = $lt{'allposts'};
           $currdisp = $lt{'unread'};
           $newdisp = 'allposts';
       }
   
       if ($discmark eq 'ondisp') {
           $markchange = $lt{'onmark'};
           $currmark = $lt{'ondisp'};
           $newmark = 'onmark';
       }
       
       $r->print(<<"END");
   <form name="prefs" action="/adm/preferences" method="POST">
   <input type="hidden" name="action" value="verify_and_change_discussion" />
   <br />
   $lt{'sdpf'}<br/> $lt{'prca'}  <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li></ol> 
   <br />
   <br />
   <table border="0" cellpadding="0" cellspacing="0">
    <tr>
     <td width="100%" bgcolor="#000000">
      <table width="100%" border="0" cellpadding="1" cellspacing="0">
       <tr>
        <td width="100%" bgcolor="#000000">
         <table border="0" cellpadding="3" cellspacing="3" bgcolor="#FFFFFF">
          <tr bgcolor="$color">
           <td><b>$lt{'pref'}</b></td>
           <td><b>$lt{'curr'}</b></td>
           <td><b>$lt{'actn'}?</b></td>
          </tr>
          <tr bgcolor="#dddddd">
          <td>$lt{'disa'}</td>
          <td>$lt{$discdisp}</td>
          <td><input type="checkbox" name="discdisp" /><input type="hidden" name="newdisp" value="$newdisp" />&nbsp;$lt{'chgt'} "$dispchange"</td>
         </tr><tr bgcolor="#eeeeee">
          <td>$lt{'npmr'}</td>
          <td>$lt{$discmark}</td>
          <td><input type="checkbox" name="discmark" /><input type="hidden" name="newmark" value="$newmark" />&nbsp;$lt{'chgt'} "$markchange"</td>
         </tr>
        </table>
       </td>
      </tr>
     </table>
    </td>
   </tr>
   </table>
   <br />
   <br />
   <input type="submit" name="sub" value="Store Changes" />
   <br />
   <br />
   Note: $lt{'thde'}
   </form>
   END
   }
                                                                                                                   
   sub verify_and_change_discussion {
       my $r = shift;
       my $user     = $env{'user.name'};
       my $domain   = $env{'user.domain'};
       my $message='';
       if (defined($env{'form.discdisp'}) ) {
           my $newdisp  = $env{'form.newdisp'};
           if ($newdisp eq 'unread') {
               $message .='In discussions: only new posts will be displayed.<br/>';
               &Apache::lonnet::put('environment',{'discdisplay' => $newdisp});
               &Apache::lonnet::appenv('environment.discdisplay' => $newdisp);
           } else {
               $message .= 'In discussions: all posts will be displayed.<br/>';
               &Apache::lonnet::del('environment',['discdisplay']);
               &Apache::lonnet::delenv('environment\.discdisplay');
           }
       }
       if (defined($env{'form.discmark'}) ) {
           my $newmark = $env{'form.newmark'};
           if ($newmark eq 'ondisp') {
              $message.='In discussions: new posts will be cease to be identified as "new" after display.<br/>';
               &Apache::lonnet::put('environment',{'discmarkread' => $newmark});
               &Apache::lonnet::appenv('environment.discmarkread' => $newmark);
           } else {
               $message.='In discussions: posts will be identified as "new" until marked as read by the reader.<br/>';
               &Apache::lonnet::del('environment',['discmarkread']);
               &Apache::lonnet::delenv('environment\.discmarkread');
           }
       }
       $r->print(<<ENDVCSCREEN);
   $message
   ENDVCSCREEN
   }
   
   ################################################################
   # Subroutines for page display on course access (Course Coordinators)
   ################################################################
   sub coursedisplaychanger {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my %userenv = &Apache::lonnet::get('environment',['course_init_display']);
       my $currvalue = 'whatsnew';
       my $firstselect = '';
       my $whatsnewselect = 'checked="checked"';
       if (exists($userenv{'course_init_display'})) {
           if ($userenv{'course_init_display'} eq 'firstres') {
               $currvalue = 'firstres';
               $firstselect = 'checked="checked"';
       $whatsnewselect = '';
           }
       }
       my %pagenames = (
                          firstres => 'First resource',
                          whatsnew => "What's new page",
                       );
       my $whatsnew_off=&mt('Display the [_1] in the course.','<b>first resource</b>');
       my $whatsnew_on=&mt('Display the "[_1]" page - a summary of items in the course which require attention.',"<b>What's New</b>");
   
       $r->print('<br /><b>'.&mt('Set the default page to be displayed when you select a course role').'</b>&nbsp;'.&mt('(Currently: [_1])',$pagenames{$currvalue}).'<br />'.&mt('The global user preference you set for your courses can be overridden in an individual course by setting a course specific setting via the "[_1]" page in the course',"<i>What's New</i>").'<br /><br />');
       $r->print(<<ENDLSCREEN);
   <form name="prefs" action="/adm/preferences" method="POST">
   <input type="hidden" name="action" value="verify_and_change_coursepage" />
   <br />
   <label><input type="radio" name="newdisp" value="firstres" $firstselect /> $whatsnew_off</label><br />
   <label><input type="radio" name="newdisp" value="whatsnew" $whatsnewselect /> $whatsnew_on</label><input type="hidden" name="refpage" value="$env{'form.refpage'}" />
   ENDLSCREEN
       $r->print('<br /><br /><input type="submit" value="'.&mt('Change').'" />
   </form>');
   }
   
   sub verify_and_change_coursepage {
       my $r = shift;
       my $message='';
       my %lt = &Apache::lonlocal::texthash(
           'defs' => 'Default now set',
           'when' => 'when you select a course role from the roles screen',
           'ywbt' => 'you will be taken to the start of the course.',
           'apwb' => 'a page will be displayed that lists items in the course that may require action from you.',
           'gtts' => 'Go to the start of the course',
           'dasp' => "Display the What's New page listing course action items", 
       );
       my $newdisp  = $env{'form.newdisp'};
       $message = '<b>'.$lt{'defs'}.'</b>: '.$lt{'when'}.', ';
       if ($newdisp eq 'firstres') {
           $message .= $lt{'ywbt'}.'<br/>';
           &Apache::lonnet::put('environment',{'course_init_display' => $newdisp});
           &Apache::lonnet::appenv('environment.course_init_display' => $newdisp);
       } else {
           $message .= $lt{'apwb'}.'<br/>';
           &Apache::lonnet::del('environment',['course_init_display']);
           &Apache::lonnet::delenv('environment\.course_init_display');
       }
       my $refpage = $env{'form.refpage'};
       if (($env{'request.course.fn'}) && ($env{'request.course.id'})) {
           if ($newdisp eq 'firstres') {
               my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
               my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 
               my ($furl,$ferr)=
                   &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
               $message .= '<br /><font size="+1"><a href="'.$furl.'">'.$lt{'gtts'}.' <i>'.&mt('now').'</i></a></font>';
           } else {
               $message .= '<br /><font size="+1"><a href="/adm/whatsnew?refpage='.
                           $refpage.'">'.$lt{'dasp'}.'</a></font>';
           }
       }
       $r->print(<<ENDVCSCREEN);
   $message
   <br /><br />
   ENDVCSCREEN
   }
   
   
 ######################################################  ######################################################
 #            other handler subroutines               #  #            other handler subroutines               #
 ######################################################  ######################################################
Line 698  ENDERROR Line 1053  ENDERROR
 ################################################################  ################################################################
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     my $user = $ENV{'user.name'};      my $user = $env{'user.name'};
     my $domain = $ENV{'user.domain'};      my $domain = $env{'user.domain'};
     &Apache::loncommon::content_type($r,'text/html');      &Apache::loncommon::content_type($r,'text/html');
     # Some pages contain DES keys and should not be cached.      # Some pages contain DES keys and should not be cached.
     &Apache::loncommon::no_cache($r);      &Apache::loncommon::no_cache($r);
     $r->send_http_header;      $r->send_http_header;
     return OK if $r->header_only;      return OK if $r->header_only;
     #      #
     if ($ENV{'form.action'} eq 'changepass') {      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  &passwordchanger($r);                                     ['action','wysiwyg','returnurl','refpage']);
     } elsif ($ENV{'form.action'} eq 'verify_and_change_pass') {      #
  &verify_and_change_password($r);      &Apache::lonhtmlcommon::clear_breadcrumbs();
     } elsif ($ENV{'form.action'} eq 'changescreenname') {      &Apache::lonhtmlcommon::add_breadcrumb
         &screennamechanger($r);          ({href => '/adm/preferences',
     } elsif ($ENV{'form.action'} eq 'verify_and_change_screenname') {            text => 'Set User Preferences'});
         &verify_and_change_screenname($r);  
     } elsif ($ENV{'form.action'} eq 'changemsgforward') {  
         &msgforwardchanger($r);  
     } elsif ($ENV{'form.action'} eq 'verify_and_change_msgforward') {  
         &verify_and_change_msgforward($r);  
     } elsif ($ENV{'form.action'} eq 'changecolors') {  
         &colorschanger($r);  
     } elsif ($ENV{'form.action'} eq 'verify_and_change_colors') {  
         &verify_and_change_colors($r);  
     } elsif ($ENV{'form.action'} eq 'changelanguages') {  
         &languagechanger($r);  
     } elsif ($ENV{'form.action'} eq 'verify_and_change_languages') {  
         &verify_and_change_languages($r);  
     } elsif ($ENV{'form.action'} eq 'debugtoggle') {  
  if (($ENV{'user.name'} eq 'albertel' ) ||  
             ($ENV{'user.name'} eq 'kortemey' ) ||  
             ($ENV{'user.name'} eq 'korte')) {  
     if ($ENV{'user.debug'}) {  
  &Apache::lonnet::delenv('user\.debug');  
     } else {  
  &Apache::lonnet::appenv('user.debug' => 1);  
     }  
  }  
     } else {  
  my %help=();  
  foreach ('Change_Colors','Change_Password',  
  'Prefs_Screen_Name_Nickname','Prefs_Forwarding') {  
     $help{$_}=&Apache::loncommon::help_open_topic($_);  
  }  
  $r->print(<<ENDHEADER);  
 <html>  
 <head>  
 <title>LON-CAPA Preferences</title>  
 </head>  
 ENDHEADER  
         $r->print(&Apache::loncommon::bodytag('Change Your Preferences'));  
  # Determine current authentication method  
  my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);  
  if ($currentauth =~ /^(unix|internal):/) {  
     $r->print(<<ENDPASSWORDFORM);  
 <form name="client" action="/adm/preferences" method="post">  
 <input type="hidden" name="action" value="changepass" />  
 <input type="submit" value="Change password" />  
 $help{'Change_Password'}  
 </form>  
 ENDPASSWORDFORM  
         }  
 # Change screen name  
     $r->print(<<ENDSCREENNAMEFORM);  
 <form name="client" action="/adm/preferences" method="post">  
 <input type="hidden" name="action" value="changescreenname" />  
 <input type="submit"   
 value="Change nickname and anonymous discussion screen name" />  
 $help{'Prefs_Screen_Name_Nickname'}  
 </form>  
 ENDSCREENNAMEFORM  
     $r->print(<<ENDMSGFORWARDFORM);  
 <form name="client" action="/adm/preferences" method="post">  
 <input type="hidden" name="action" value="changemsgforward" />  
 <input type="submit" value="Change message forwarding and notification addresses" />  
 $help{'Prefs_Forwarding'}  
 </form>  
 ENDMSGFORWARDFORM  
 # The "about me" page  
  my $aboutmeaction=  
     '/adm/'.$ENV{'user.domain'}.'/'.$ENV{'user.name'}.'/aboutme';  
  $r->print(<<ENDABOUTME);  
 <form name="client" action="$aboutmeaction" method="post">  
 <input type="hidden" name="action" value="changescreenname" />  
 <input type="submit" value="Edit the 'About Me' personal information screen" />  
 </form>  
 ENDABOUTME  
     $r->print(<<ENDCOLORFORM);  
 <form name="client" action="/adm/preferences" method="post">  
 <input type="hidden" name="action" value="changecolors" />  
 <input type="submit" value="Change color scheme" />  
 $help{'Change_Colors'}  
 </form>  
 ENDCOLORFORM  
   
     $r->print(<<ENDLANGUAGES);  
 <form name="client" action="/adm/preferences" method="post">  
 <input type="hidden" name="action" value="changelanguages" />  
 <input type="submit" value="Change language preferences" />  
 </form>  
 ENDLANGUAGES  
   
  if (($ENV{'user.name'} eq 'albertel' ) ||      my @Options;
             ($ENV{'user.name'} eq 'kortemey' ) ||      # Determine current authentication method
             ($ENV{'user.name'} eq 'korte')) {      my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
     $r->print(<<ENDDEBUG);      if ($currentauth =~ /^(unix|internal):/) {
 <form name="client" action="/adm/preferences" method="post">          push (@Options,({ action   => 'changepass',
 <input type="hidden" name="action" value="debugtoggle" />                            linktext => 'Change Password',
 <input type="submit" value="Toggle Debug" />                            href     => '/adm/preferences',
 Current Debug status is -$ENV{'user.debug'}-.                            help     => 'Change_Password',
 </form>                            subroutine => \&passwordchanger,
 ENDDEBUG                            breadcrumb => 
  }                                { href => '/adm/preferences?action=changepass',
  # Other preference setting code should be added here                                  text => 'Change Password'},
                             },
                           { action => 'verify_and_change_pass',
                             subroutine => \&verify_and_change_password,
                             breadcrumb => 
                                 { href =>'/adm/preferences?action=changepass',
                                   text => 'Change Password'},
                             printmenu => 'not_on_error',
                             }));
       }
       push (@Options,({ action   => 'changescreenname',
                         linktext => 'Change Screen Name',
                         href     => '/adm/preferences',
                         help     => 'Prefs_Screen_Name_Nickname',
                         subroutine => \&screennamechanger,
                         breadcrumb => 
                             { href => '/adm/preferences?action=changescreenname',
                               text => 'Change Screen Name'},
                         },
                       { action   => 'verify_and_change_screenname',
                         subroutine => \&verify_and_change_screenname,
                         breadcrumb => 
                             { href => '/adm/preferences?action=changescreenname',
                               text => 'Change Screen Name'},
                         printmenu => 'yes',
                         }));
   
       push (@Options,({ action   => 'changemsgforward',
                         linktext => 'Change Message Forwarding and Notification Addresses',
                         href     => '/adm/preferences',
                         help     => 'Prefs_Forwarding',
                         breadcrumb => 
                             { href => '/adm/preferences?action=changemsgforward',
                               text => 'Change Message Forwarding'},
                         subroutine => \&msgforwardchanger,
                         },
                       { action => 'verify_and_change_msgforward',
                         breadcrumb => 
                             { href => '/adm/preferences?action=changemsgforward',
                               text => 'Change Message Forwarding'},
                         printmenu => 'yes',
                         subroutine => \&verify_and_change_msgforward }));
       my $aboutmeaction=
           '/adm/'.$env{'user.domain'}.'/'.$env{'user.name'}.'/aboutme';
       push (@Options,{ action => 'none', 
                        linktext =>
                            q{Edit the 'About Me' Personal Information Screen},
        help => 'Prefs_About_Me',
                        href => $aboutmeaction});
       push (@Options,({ action => 'changecolors',
                         linktext => 'Change Color Scheme',
                         href => '/adm/preferences',
                         help => 'Change_Colors',
                         breadcrumb => 
                             { href => '/adm/preferences?action=changecolors',
                               text => 'Change Colors'},
                         subroutine => \&colorschanger,
                     },
                       { action => 'verify_and_change_colors',
                         breadcrumb => 
                             { href => '/adm/preferences?action=changecolors',
                               text => 'Change Colors'},
                         printmenu => 'yes',
                         subroutine => \&verify_and_change_colors,
                         }));
       push (@Options,({ action => 'changelanguages',
                         linktext => 'Change Language Preferences',
                         href => '/adm/preferences',
         help => 'Prefs_Language',
                         breadcrumb=>
                             { href => '/adm/preferences?action=changelanguages',
                               text => 'Change Language'},
                         subroutine =>  \&languagechanger,
                     },
                       { action => 'verify_and_change_languages',
                         breadcrumb=>
                             {href => '/adm/preferences?action=changelanguages',
                              text => 'Change Language'},
                         printmenu => 'yes',
                         subroutine=>\&verify_and_change_languages, }
                       ));
       push (@Options,({ action => 'changewysiwyg',
                         linktext => 'Change WYSIWYG Editor Preferences',
                         href => '/adm/preferences',
                         breadcrumb => 
                               { href => '/adm/preferences?action=changewysiwyg',
                                 text => 'Change WYSIWYG Preferences'},
                         subroutine => \&wysiwygchanger,
                     },
                       { action => 'set_wysiwyg',
                         breadcrumb =>
                             { href => '/adm/preferences?action=changewysiwyg',
                               text => 'Change WYSIWYG Preferences'},
                         printmenu => 'yes',
                         subroutine => \&verify_and_change_wysiwyg, }
                       ));
       push (@Options,({ action => 'changediscussions',
                         linktext => 'Change Discussion Display Preferences',
                         href => '/adm/preferences',
                         help => 'Change_Discussion_Display',
                         breadcrumb => 
                               { href => '/adm/preferences?action=changediscussions',
                                 text => 'Change Discussion Preferences'},
                         subroutine => \&discussionchanger,
                     },
                       { action => 'verify_and_change_discussion',
                         breadcrumb =>
                             { href => '/adm/preferences?action=changediscussions',
                               text => 'Change Discussion Preferences'},
                         printmenu => 'yes',
                         subroutine => \&verify_and_change_discussion, }
                       ));
                          
       push (@Options,({ action   => 'changerolespref',
                         linktext => 'Change Roles Page Preferences',
                         href     => '/adm/preferences',
                         subroutine => \&rolesprefchanger,
                         breadcrumb =>
                             { href => '/adm/preferences?action=changerolespref',
                               text => 'Change Roles Pref'},
                         },
                       { action   => 'verify_and_change_rolespref',
                         subroutine => \&verify_and_change_rolespref,
                         breadcrumb =>
                             { href => '/adm/preferences?action=changerolespref',
                               text => 'Change Roles Preferences'},
                         printmenu => 'yes',
                         }));
   
       push (@Options,({ action   => 'changetexenginepref',
                         linktext => 'Change How Math Equations Are Displayed',
                         href     => '/adm/preferences',
                         subroutine => \&texenginechanger,
                         breadcrumb =>
                             { href => '/adm/preferences?action=changetexenginepref',
                               text => 'Change Math Pref'},
                         },
                       { action   => 'verify_and_change_texengine',
                         subroutine => \&verify_and_change_texengine,
                         breadcrumb =>
                             { href => '/adm/preferences?action=changetexenginepref',
                               text => 'Change Math Preferences'},
                         printmenu => 'yes',
                         }));
       if (&Apache::lonnet::allowed('whn',$env{'request.course.id'})
    || &Apache::lonnet::allowed('whn',$env{'request.course.id'}.'/'
       .$env{'request.course.sec'})) {
           push (@Options,({ action => 'changecourseinit',
                             linktext => 'Change Course Initialization Preference',
                             href => '/adm/preferences',
                             subroutine => \&coursedisplaychanger,
                             breadcrumb =>
                                 { href => '/adm/preferences?action=changecourseinit',
                                   text => 'Change Course Init. Pref.'},
                             },
                           { action => 'verify_and_change_coursepage',
                             breadcrumb =>
                             { href => '/adm/preferences?action=changecourseinit',                               text => 'Change Course Initialization Preference'},
                           printmenu => 'yes',
                           subroutine => \&verify_and_change_coursepage,
                          }));
       }
   
       if ($env{'user.name'} =~ /^(albertel|fox|foxr|koretemey|korte|hallmat3|turtle|raeburn)$/) {
           push (@Options,({ action => 'debugtoggle',
                             printmenu => 'yes',
                             subroutine => \&toggle_debug,
                             }));
       }
   
       $r->print(&Apache::loncommon::start_page('Change Preferences'));
   
       my $call = undef;
       my $help = undef;
       my $printmenu = 'yes';
       foreach my $option (@Options) {
           if ($option->{'action'} eq $env{'form.action'}) {
               $call = $option->{'subroutine'};
               $printmenu = $option->{'printmenu'};
               if (exists($option->{'breadcrumb'})) {
                   &Apache::lonhtmlcommon::add_breadcrumb
                       ($option->{'breadcrumb'});
               }
       $help=$option->{'help'};
           }
       }
       $r->print(&Apache::lonhtmlcommon::breadcrumbs
                 (undef,'Change Preferences',$help));
       my $error;
       if (defined($call)) {
           $error = $call->($r);
       }
       if ( ( ($printmenu eq 'yes')
      || ($printmenu eq 'not_on_error' && !$error) )
    && (!$env{'form.returnurl'})) {
           my $optionlist = '<table cellpadding="5">';
           if ($env{'user.name'} =~ 
                            /^(albertel|kortemey|fox|foxr|korte|hallmat3|turtle|raeburn)$/
               ) {
               push (@Options,({ action => 'debugtoggle',
                                 linktext => 'Toggle Debug Messages',
                                 text => 'Current Debug status is -'.
                                     $env{'user.debug'}.'-.',
                                 href => '/adm/preferences',
                                 printmenu => 'yes',
                                 subroutine => \&toggle_debug,
                                 }));
           }
           foreach my $option(@Options) {
               my $optiontext = '';
               if (exists($option->{'href'})) {
                   $optiontext .= 
                       '<a href="'.$option->{'href'}.
                       '?action='.$option->{'action'}.'">'.
                       &mt($option->{'linktext'}).'</a>';
               }
               if (exists($option->{'text'})) {
                   $optiontext .= ' '.&mt($option->{'text'});
               }
               if ($optiontext ne '') {
                   $optiontext = '<font size="+1">'.$optiontext.'</font>'; 
                   my $helplink = '&nbsp;';
                   if (exists($option->{'help'})) {
                       $helplink = &Apache::loncommon::help_open_topic
                                                       ($option->{'help'});
                   }
                   $optionlist .= '<tr>'.
                       '<td>'.$helplink.'</td>'.
                       '<td>'.$optiontext.'</td>'.
                       '</tr>';
               }
           }
           $optionlist .= '</table>';
           $r->print($optionlist);
       } elsif ($env{'form.returnurl'}) {
    $r->print('<br /><a href="'.$env{'form.returnurl'}.'"><font size="+1">'.
     &mt('Return').'</font></a>');
     }      }
     $r->print(<<ENDFOOTER);      $r->print(&Apache::loncommon::end_page());
 </body>  
 </html>  
 ENDFOOTER  
     return OK;      return OK;
 }  }
   
   sub toggle_debug {
       if ($env{'user.debug'}) {
           &Apache::lonnet::delenv('user\.debug');
       } else {
           &Apache::lonnet::appenv('user.debug' => 1);
       }
   }
   
 1;  1;
 __END__  __END__
Removed from v.1.34  
changed lines
  Added in v.1.79

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