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Diff for /loncom/interface/lonpreferences.pm between versions 1.28 and 1.94

version 1.28, 2003/09/16 22:40:25 version 1.94, 2006/10/23 21:22:51
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 45 Line 33
 package Apache::lonpreferences;  package Apache::lonpreferences;
   
 use strict;  use strict;
   use LONCAPA;
 use Apache::Constants qw(:common);  use Apache::Constants qw(:common);
 use Apache::File;  use Apache::File;
 use Crypt::DES;  use Crypt::DES;
 use DynaLoader; # for Crypt::DES version  use DynaLoader; # for Crypt::DES version
 use Apache::loncommon();  use Apache::loncommon();
 use Apache::lonhtmlcommon();  use Apache::lonhtmlcommon();
   use Apache::lonlocal;
   use Apache::lonnet;
   
 #  #
 # Write lonnet::passwd to do the call below.  # Write lonnet::passwd to do the call below.
Line 62  use Apache::lonhtmlcommon(); Line 53  use Apache::lonhtmlcommon();
 ##################################################  ##################################################
 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 103  sub des_decrypt { Line 94  sub des_decrypt {
 ################################################################  ################################################################
 #         Language Change Subroutines                          #  #         Language Change Subroutines                          #
 ################################################################  ################################################################
 sub languagechanger {  
   sub wysiwygchanger {
     my $r = shift;      my $r = shift;
     my $user       = $ENV{'user.name'};  
     my $domain     = $ENV{'user.domain'};  
     my %userenv = &Apache::lonnet::get      my %userenv = &Apache::lonnet::get
         ('environment',['language','translator']);          ('environment',['wysiwygeditor']);
     my $language=$userenv{'language'};      my $onselect='checked="checked"';
     my $translator=$userenv{'translator'};      my $offselect='';
     my $bodytag=&Apache::loncommon::bodytag(      if ($userenv{'wysiwygeditor'} eq 'on') {
               'Change Your Language Preferences');   $onselect='';
    $offselect='checked="checked"';
       }
       my $switchoff=&mt('Disable WYSIWYG editor');
       my $switchon=&mt('Enable WYSIWYG editor');
     $r->print(<<ENDLSCREEN);      $r->print(<<ENDLSCREEN);
 <html>  <form name="prefs" action="/adm/preferences" method="post">
 $bodytag  <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 {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my %userenv = &Apache::lonnet::get
           ('environment',['languages']);
       my $language=$userenv{'languages'};
   
 <form name="server" action="/adm/preferences" method="post">      my $pref=&mt('Preferred language');
       my %langchoices=('' => 'No language preference');
       foreach (&Apache::loncommon::languageids()) {
    if (&Apache::loncommon::supportedlanguagecode($_)) {
       $langchoices{&Apache::loncommon::supportedlanguagecode($_)}
                  = &Apache::loncommon::plainlanguagedescription($_);
    }
       }
       my $selectionbox=&Apache::loncommon::select_form($language,'language',
        %langchoices);
       $r->print(<<ENDLSCREEN);
   <form name="prefs" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="verify_and_change_languages" />  <input type="hidden" name="action" value="verify_and_change_languages" />
 <br />Preferred language:  <br />$pref: $selectionbox
 <input type="text" size="5" value="$language" name="language" />  
 ENDLSCREEN  ENDLSCREEN
     if ($ENV{'user.adv'}) {      $r->print('<br /><input type="submit" value="'.&mt('Change').'" />');
  $r->print (<<ENDTRSC);  
 <br />Willing to translate for language:  
 <input type="text" size="5" value="$translator" name="translator" />  
 ENDTRSC  
     }  
     $r->print('<br /><input type="submit" value="Change" /></form></body></html>');  
 }  }
   
   
 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) {
         &Apache::lonnet::put('environment',{'language' => $newlanguage});          &Apache::lonnet::put('environment',{'languages' => $newlanguage});
         &Apache::lonnet::appenv('environment.language' => $newlanguage);          &Apache::lonnet::appenv('environment.languages' => $newlanguage);
         $message='Set new preferred language to '.$newlanguage;          $message='Set new preferred languages to '.$newlanguage;
     } else {      } else {
         &Apache::lonnet::del('environment',['language']);          &Apache::lonnet::del('environment',['languages']);
         &Apache::lonnet::delenv('environment\.language');          &Apache::lonnet::delenv('environment\.languages');
         $message='Reset preferred language';          $message='Reset preferred language';
     }      }
     if ($ENV{'user.adv'}) {      $r->print(<<ENDVCSCREEN);
  $message.='<br />';  $message
  my $newtrans  = $ENV{'form.translator'};  ENDVCSCREEN
  $newtrans=~s/[^\-\w]//g;  }
  if ($newtrans) {  
     &Apache::lonnet::put('environment',{'translator' => $newtrans});  ################################################################
     &Apache::lonnet::appenv('environment.translator' => $newtrans);  #         Tex Engine Change Subroutines                        #
     $message.='Set translator to '.$newtrans;  ################################################################
  } else {  sub texenginechanger {
     &Apache::lonnet::del('environment',['translator']);      my $r = shift;
     &Apache::lonnet::delenv('environment\.translator');      my $user       = $env{'user.name'};
     $message.='Reset translator';      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> 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.';
       }
   
   
     my $bodytag=&Apache::loncommon::bodytag(  
                     'Change Your Language Preferences');  
     $r->print(<<ENDVCSCREEN);      $r->print(<<ENDVCSCREEN);
 <html>  
 $bodytag  
 </p>  
 $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";
       }
   
   # Get list of recent roles and display with checkbox in front
       my $roles_check_list = '';
       my $role_key='';
       if ($env{'environment.recentroles'}) {
           my %recent_roles =
                  &Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'});
           my %frozen_roles =
                  &Apache::lonhtmlcommon::get_recent_frozen('roles',$env{'environment.recentrolesn'});
           
           my %role_text = &rolespref_get_role_text([keys(%recent_roles)]);
           my @sorted_roles = sort {$role_text{$a} cmp $role_text{$b}} keys(%role_text);
   
           $roles_check_list .=
       &Apache::loncommon::start_data_table().
       &Apache::loncommon::start_data_table_header_row().
       "<th>".&mt('Freeze Role')."</th>".
       "<th>".&mt('Role')."</td>".
       &Apache::loncommon::end_data_table_header_row().
       "\n";
    my $count;
           foreach $role_key (@sorted_roles) {
               my $checked = "";
               my $value = $recent_roles{$role_key};
               if ($frozen_roles{$role_key}) {
                   $checked = "checked=\"checked\"";
               }
       $count++;
               $roles_check_list .=
    &Apache::loncommon::start_data_table_row().
    '<td class="LC_table_cell_checkbox">'.
    "<input type=\"checkbox\" $checked name=\"freezeroles\"".
    " id=\"freezeroles$count\" value=\"$role_key\" /></td>".
    "<td><label for=\"freezeroles$count\">".
    "$role_text{$role_key}</label></td>".
    &Apache::loncommon::end_data_table_row(). "\n";
           }
           $roles_check_list .= "</table>\n";
       }
   
       $r->print('
   <p>'.&mt('Some LON-CAPA users have a long list of roles. The Recent Roles Hotlist feature keeps track of the last N roles which have been visited and places a table of these at the top of the roles page. People with very few roles should leave this feature disabled.').'
   </p>
   <form name="prefs" action="/adm/preferences" method="POST">
   <input type="hidden" name="action" value="verify_and_change_rolespref" />
   <br /><label>'.&mt('Enable Recent Roles Hotlist:').'
   <input type="checkbox" '.$checked.' name="recentroles" value="true" /></label>
   <br />'.&mt('Number of roles in Hotlist:').'
   <select name="recentrolesn" size="1">
   '.$options.'
   </select>
   <p>'.&mt('This list below can be used to <q>freeze</q> roles on your screen. Those marked as frozen will not be removed from the list, even if they have not been used recently.').'
   </p>
   '.$roles_check_list.'
   <br />
   <input type="submit" value="'.&mt('Change').'" />
   </form>');
   }
   
   sub rolespref_get_role_text {
   # Get a line of text for each role
       my ($roles) = @_;
       my %roletext = ();
   
       foreach my $item (@$roles) {
   # get course information
           my ($role,$rest) = split(/\./, $item);
           my $trole = "";
           $trole = &Apache::lonnet::plaintext($role);
           my ($tdomain,$other,$tsection)= split(/\//,Apache::lonnet::declutter($rest));
           my $tother = '-';
           if ($role =~ /^(cc|st|in|ta|ep|cr)/ ) {
               my %newhash=&Apache::lonnet::coursedescription($tdomain."_".$other);
               $tother = " - ".$newhash{'description'};
           } elsif ($role =~ /dc/) {
               $tother = "";
           } else {
               $tother = " - $other";
           }
    
           my $section="";
           if ($tsection) {
               $section = " - Section/Group: $tsection";
           }
           $roletext{$item} = $tdomain." - ".$trole.$tother.$section;
       }
       return %roletext;
   }
   
   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 $message='<hr />';
       if ($hotlist_flag) {
           &Apache::lonnet::put('environment',{'recentroles' => $hotlist_flag});
           &Apache::lonnet::appenv('environment.recentroles' => $hotlist_flag);
           $message=&mt('Recent Roles Hotlist is Enabled');
       } else {
           &Apache::lonnet::del('environment',['recentroles']);
           &Apache::lonnet::delenv('environment\.recentroles');
           $message=&mt('Recent Roles Hotlist is Disabled');
       }
       if ($hotlist_n) {
           &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n});
           &Apache::lonnet::appenv('environment.recentrolesn' => $hotlist_n);
           if ($hotlist_flag) {
               $message.="<br />".
    &mt('Display [_1] Most Recent Roles',$hotlist_n)."\n";
           }
       }
   
   # Get list of froze roles and list of recent roles
       my @freeze_list = &Apache::loncommon::get_env_multiple('form.freezeroles');
       my %freeze = ();
       my %roletext = ();
   
       foreach my $key (@freeze_list) {
           $freeze{$key}='1';
       }
   
       my %recent_roles =
           &Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'});
       my %frozen_roles =
           &Apache::lonhtmlcommon::get_recent_frozen('roles',$env{'environment.recentrolesn'});
       my %role_text = &rolespref_get_role_text([keys(%recent_roles)]);
   
   # Unset any roles that were previously frozen but aren't in list
       foreach my $role_key (sort(keys(%recent_roles))) {
           if (($frozen_roles{$role_key}) && (!exists($freeze{$role_key}))) {
       $message .= "<br />".&mt('Unfreezing Role: [_1]',$role_text{$role_key})."\n";
       &Apache::lonhtmlcommon::store_recent('roles',$role_key,' ',0);
           }
       }
   
   # Freeze selected roles
       foreach my $role_key (@freeze_list) {
           if (!$frozen_roles{$role_key}) {
                $message .= "<br />".&mt('Freezing Role: [_1]',$role_text{$role_key})."\n";
                &Apache::lonhtmlcommon::store_recent('roles',
                                             $role_key,' ',1);
           }
       }
       $message .= "<hr /><br />\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 201  $bodytag Line 472  $bodytag
 <input type="text" size="20" value="$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 225  sub verify_and_change_screenname { Line 494  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 236  sub verify_and_change_screenname { Line 505  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 254  ENDVCSCREEN Line 517  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 270  sub msgforwardchanger { Line 531  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="$msgforward" name="msgforward" /><hr />
Line 283  New Critical Message Notification Email Line 542  New Critical Message Notification Email
 <input type="text" size="40" value="$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 316  sub verify_and_change_msgforward { Line 573  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 327  sub verify_and_change_msgforward { Line 584  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 338  sub verify_and_change_msgforward { Line 595  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 355  ENDVCMSG Line 606  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 $function=&Apache::loncommon::get_users_function();
     if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {  
  $function='coordinator';  
     }  
     if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {  
  $function='admin';  
     }  
     if (($ENV{'request.role'}=~/^(au|ca)/) ||  
  ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {  
  $function='author';  
     }  
     my $domain=&Apache::loncommon::determinedomain();      my $domain=&Apache::loncommon::determinedomain();
     my %colortypes=('pgbg'  => 'Page Background',      my %colortypes=('pgbg'  => 'Page Background',
                     'tabbg' => 'Header Background',                      'tabbg' => 'Header Background',
Line 378  sub colorschanger { Line 616  sub colorschanger {
                     'link'  => 'Un-Visited Link',                      'link'  => 'Un-Visited Link',
                     'vlink' => 'Visited Link',                      'vlink' => 'Visited Link',
                     'alink' => 'Active Link');                      'alink' => 'Active Link');
       my $start_data_table = &Apache::loncommon::start_data_table();
     my $chtable='';      my $chtable='';
     foreach my $item (sort(keys(%colortypes))) {      foreach my $item (sort(keys(%colortypes))) {
        my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain);         my $curcol=&Apache::loncommon::designparm($function.'.'.$item,$domain);
        $chtable.='<tr><td>'.$colortypes{$item}.'</td><td bgcolor="'.$curcol.         $chtable.=&Apache::loncommon::start_data_table_row().
      '<td>'.$colortypes{$item}.'</td><td style="background: '.$curcol.
         '">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td><td><input name="'.$item.          '">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td><td><input name="'.$item.
         '" size="10" value="'.$curcol.          '" size="10" value="'.$curcol.
 '" /></td><td><a href="javascript:pjump('."'color_custom','".$colortypes{$item}.  '" /></td><td><a href="javascript:pjump('."'color_custom','".$colortypes{$item}.
 "','".$curcol."','"  "','".$curcol."','"
     .$item."','parmform.pres','psub'".');">Select</a></td></tr>';      .$item."','parmform.pres','psub'".');">Select</a></td>'.
       &Apache::loncommon::end_data_table_row()."\n";
     }      }
       my $end_data_table = &Apache::loncommon::end_data_table();
     my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();      my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
     $r->print(<<ENDCOL);      $r->print(<<ENDCOL);
 <html>  <script type="text/javascript">
 <script>  
   
     function pclose() {      function pclose() {
         parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",          parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
Line 405  sub colorschanger { Line 646  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 417  sub colorschanger { Line 658  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">  $start_data_table
 $chtable  $chtable
   $end_data_table
 </table>  </table>
 <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
 }  }
   
 sub verify_and_change_colors {  sub verify_and_change_colors {
     my $r = shift;      my $r = shift;
 # figure out colors  # figure out colors
     my $function='student';      my $function=&Apache::loncommon::get_users_function();
     if ($ENV{'request.role'}=~/^(cc|in|ta|ep)/) {  
  $function='coordinator';  
     }  
     if ($ENV{'request.role'}=~/^(su|dc|ad|li)/) {  
  $function='admin';  
     }  
     if (($ENV{'request.role'}=~/^(au|ca)/) ||  
  ($ENV{'REQUEST_URI'}=~/^(\/priv|\~)/)) {  
  $function='author';  
     }  
     my $domain=&Apache::loncommon::determinedomain();      my $domain=&Apache::loncommon::determinedomain();
     my %colortypes=('pgbg'  => 'Page Background',      my %colortypes=('pgbg'  => 'Page Background',
                     'tabbg' => 'Header Background',                      'tabbg' => 'Header Background',
Line 461  sub verify_and_change_colors { Line 690  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 473  sub verify_and_change_colors { Line 702  sub verify_and_change_colors {
     $message.='Reset '.$colortypes{$item}.'<br />';      $message.='Reset '.$colortypes{$item}.'<br />';
  }   }
     }      }
     my $bodytag=&Apache::loncommon::bodytag(      my $now = time;
                            'Change Color Scheme for Current Role Type');      &Apache::lonnet::put('environment',{'color.timestamp' => $now});
       &Apache::lonnet::appenv('environment.color.timestamp' => $now);
   
     $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 492  ENDVCCOL Line 718  ENDVCCOL
 #            password handler subroutines            #  #            password handler subroutines            #
 ######################################################  ######################################################
 sub passwordchanger {  sub passwordchanger {
       my ($r,$errormessage,$caller,$mailtoken) = @_;
     # This function is a bit of a mess....      # This function is a bit of a mess....
     # Passwords are encrypted using londes.js (DES encryption)      # Passwords are encrypted using londes.js (DES encryption)
     my $r = shift;  
     my $errormessage = shift;  
     $errormessage = ($errormessage || '');      $errormessage = ($errormessage || '');
     my $user       = $ENV{'user.name'};      my ($user,$domain,$currentpass,$defdom);
     my $domain     = $ENV{'user.domain'};      if ((!defined($caller)) || ($caller eq 'preferences')) {
     my $homeserver = $ENV{'user.home'};          $user = $env{'user.name'};
           $domain = $env{'user.domain'};
           if (!defined($caller)) {
               $caller = 'preferences';
           }
       } elsif ($caller eq 'reset_by_email') {
               $defdom = $r->dir_config('lonDefDomain');
               my %data = &Apache::lonnet::tmpget($mailtoken);
               if (keys(%data) == 0) {
                   $r->print(&mt('Sorry, the URL you provided to complete the reset of your password was invalid.  Either the token included in the URL has been deleted or the URL you provided was invalid. Please submit a <a href="/adm/resetpw">new request</a> for a password reset, and follow the link to the new URL included in the e-mail that will be sent to you, to allow you to enter a new password.'));
                   return;
               }
               if (defined($data{time})) {
                   if (time - $data{'time'} < 7200) {
                       $user = $data{'username'};
                       $domain = $data{'domain'};
                       $currentpass = $data{'temppasswd'};
                   } else {
                       $r->print(&mt('Sorry, the token generated when you requested a password reset has expired.').'<br />');
                       return;
                   }
               } else {
                   $r->print(&mt('Sorry, the URL generated when you requested reset of your password contained incomplete information.').'<br />');
                   return;
               }
      } else {
           $r->print(&mt('Page requested in unexpected context').'<br />');
           return;
       }
     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 ($currentauth !~ /^(unix|internal):/);
Line 516  sub passwordchanger { Line 769  sub passwordchanger {
        .$ukey_npass2 . $lkey_npass2,         .$ukey_npass2 . $lkey_npass2,
        $lonhost);         $lonhost);
     # Hexify the keys for output as javascript variables      # Hexify the keys for output as javascript variables
     $ukey_cpass = hex($ukey_cpass);      my %hexkey;
     $lkey_cpass = hex($lkey_cpass);      $hexkey{'ukey_cpass'}  = hex($ukey_cpass);
     $ukey_npass1= hex($ukey_npass1);      $hexkey{'lkey_cpass'}  = hex($lkey_cpass);
     $lkey_npass1= hex($lkey_npass1);      $hexkey{'ukey_npass1'} = hex($ukey_npass1);
     $ukey_npass2= hex($ukey_npass2);      $hexkey{'lkey_npass1'} = hex($lkey_npass1);
     $lkey_npass2= hex($lkey_npass2);      $hexkey{'ukey_npass2'} = hex($ukey_npass2);
       $hexkey{'lkey_npass2'} = hex($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','',      $r->print(&jscript_send($caller));
                                          'onLoad="init();"');  
     $r->print(<<ENDFORM);      $r->print(<<ENDFORM);
 </head>  $errormessage
 $bodytag  
   
   <p>
   <!-- We separate the forms into 'server' and 'client' in order to
        ensure that unencrypted passwords will not be sent out by a
        crappy browser -->
   ENDFORM
       $r->print(&server_form($logtoken,$caller,$mailtoken));
       $r->print(&client_form($caller,\%hexkey,$currentpass,$defdom));
   
       #
       return;
   }
   
   sub jscript_send {
       my ($caller) = @_;
       my $output = qq|
 <script language="JavaScript">  <script language="JavaScript">
   
     function send() {      function send() {
Line 543  $bodytag Line 809  $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();      if ($caller eq 'reset_by_email') {
           $output .= qq|
           this.document.pserver.elements.uname.value =
                      this.document.client.elements.uname.value;
           this.document.pserver.elements.udom.value =
                      this.document.client.elements.udom.options[this.document.client.elements.udom.selectedIndex].value;
   |;
       }
       $ output .= qq|
           this.document.pserver.submit();
     }      }
   
 </script>  </script>
 $errormessage  |;
   }
 <p>  
 <!-- We seperate the forms into 'server' and 'client' in order to  
      ensure that unencrypted passwords will not be sent out by a  
      crappy browser -->  
   
 <form name="server" action="/adm/preferences" method="post">  
 <input type="hidden" name="logtoken"    value="$logtoken" />  
 <input type="hidden" name="action"      value="verify_and_change_pass" />  
 <input type="hidden" name="currentpass" value="" />  
 <input type="hidden" name="newpass_1"   value="" />  
 <input type="hidden" name="newpass_2"   value="" />  
 </form>  
   
   sub client_form {
       my ($caller,$hexkey,$currentpass,$defdom) = @_;
       my $output = qq|
 <form name="client" >  <form name="client" >
 <table>  <table>
   |;
       if ($caller eq 'reset_by_email') {
           $output .= qq|
   <tr><td align="right"> E-mail address:                        </td>
       <td><input type="text" name="email" size="15" /> </td></tr>
   <tr><td align="right"> Username:                        </td>
       <td>
        <input type="text" name="uname" size="10" />
        <input type="hidden" name="currentpass" value="$currentpass" />
       </td></tr>
   <tr><td align="right"> Domain:                               </td>
       <td>
   |;
           $output .= &Apache::loncommon::select_dom_form($defdom,'udom').'
      </td>
   </tr>
   ';
       } else {
           $output .= qq|
 <tr><td align="right"> Current password:                      </td>  <tr><td align="right"> Current password:                      </td>
     <td><input type="password" name="currentpass" size="10"/> </td></tr>      <td><input type="password" name="currentpass" size="10"/> </td></tr>
   |;
       }
       $output .= <<"ENDFORM";
 <tr><td align="right"> New password:                          </td>  <tr><td align="right"> New password:                          </td>
     <td><input type="password" name="newpass_1" size="10"  /> </td></tr>      <td><input type="password" name="newpass_1" size="10"  /> </td></tr>
 <tr><td align="right"> Confirm password:                      </td>  <tr><td align="right"> Confirm password:                      </td>
Line 588  $errormessage Line 875  $errormessage
 <tr><td colspan="2" align="center">  <tr><td colspan="2" align="center">
     <input type="button" value="Change Password" onClick="send();">      <input type="button" value="Change Password" onClick="send();">
 </table>  </table>
 <input type="hidden" name="ukey_cpass"  value="$ukey_cpass" />  <input type="hidden" name="ukey_cpass"  value="$hexkey->{'ukey_cpass'}" />
 <input type="hidden" name="lkey_cpass"  value="$lkey_cpass" />  <input type="hidden" name="lkey_cpass"  value="$hexkey->{'lkey_cpass'}" />
 <input type="hidden" name="ukey_npass1" value="$ukey_npass1" />  <input type="hidden" name="ukey_npass1" value="$hexkey->{'ukey_npass1'}" />
 <input type="hidden" name="lkey_npass1" value="$lkey_npass1" />  <input type="hidden" name="lkey_npass1" value="$hexkey->{'lkey_npass1'}" />
 <input type="hidden" name="ukey_npass2" value="$ukey_npass2" />  <input type="hidden" name="ukey_npass2" value="$hexkey->{'ukey_npass2'}" />
 <input type="hidden" name="lkey_npass2" value="$lkey_npass2" />  <input type="hidden" name="lkey_npass2" value="$hexkey->{'lkey_npass2'}" />
 </form>  </form>
 </p>  </p>
 ENDFORM  ENDFORM
     #      return $output;
     return;  }
   
   sub server_form {
       my ($logtoken,$caller,$mailtoken) = @_;
       my $action = '/adm/preferences';
       if ($caller eq 'reset_by_email') {
           $action = '/adm/resetpw';
       }
       my $output = qq|
   <form name="pserver" action="$action" method="post">
   <input type="hidden" name="logtoken"    value="$logtoken" />
   <input type="hidden" name="currentpass" value="" />
   <input type="hidden" name="newpass_1"   value="" />
   <input type="hidden" name="newpass_2"   value="" />
       |;
       if ($caller eq 'reset_by_email') {
           $output .=  qq|
   <input type="hidden" name="token"   value="$mailtoken" />
   <input type="hidden" name="uname"   value="" />
   <input type="hidden" name="udom"   value="" />
   
   |;
       }
       $output .= qq|
   <input type="hidden" name="action" value="verify_and_change_pass" />
   </form>
   |;
       return $output;
 }  }
   
 sub verify_and_change_password {  sub verify_and_change_password {
     my $r = shift;      my ($r,$caller,$mailtoken) = @_;
     my $user       = $ENV{'user.name'};      my ($user,$domain,$homeserver);
     my $domain     = $ENV{'user.domain'};      if ($caller eq 'reset_by_email') {
     my $homeserver = $ENV{'user.home'};          $user       = $env{'form.uname'};
           $domain     = $env{'form.udom'};
           if ($user ne '' && $domain ne '') {
               $homeserver = &Apache::lonnet::homeserver($user,$domain);
               if ($homeserver eq 'no_host') {
           &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".
                            "Invalid username and/or domain .\n</p>",
                            $caller,$mailtoken);
                   return 1;
               }
           } else {
               &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".
                                "Username and Domain were blank.\n</p>",
                                $caller,$mailtoken);
               return 1;
           }
       } else {
           $user       = $env{'user.name'};
           $domain     = $env{'user.domain'};
           $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):/);      if ($currentauth !~ /^(unix|internal):/) {
     #          if ($caller eq 'reset_by_email') {
     $r->print(<<ENDHEADER);              &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".
 <html>                               "Authentication type for this user can not be changed by this mechanism..\n</p>",
 <head>                                $caller,$mailtoken);
 <title>LON-CAPA Preferences:  Change password for $user</title>              return 1;
 </head>          } else {
 ENDHEADER              return;
           }
       }
     #      #
     my $currentpass = $ENV{'form.currentpass'};       my $currentpass = $env{'form.currentpass'}; 
     my $newpass1    = $ENV{'form.newpass_1'};       my $newpass1    = $env{'form.newpass_1'}; 
     my $newpass2    = $ENV{'form.newpass_2'};      my $newpass2    = $env{'form.newpass_2'};
     my $logtoken    = $ENV{'form.logtoken'};      my $logtoken    = $env{'form.logtoken'};
     # Check for empty data       # Check for empty data 
     unless (defined($currentpass) &&       unless (defined($currentpass) && 
     defined($newpass1)    &&       defined($newpass1)    && 
     defined($newpass2)    ){      defined($newpass2)    ){
  &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".   &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".
  "Password data was blank.\n</p>");   "One or more password fields were blank.\n</p>",$caller,$mailtoken);
  return;   return;
     }      }
     # Get the keys      # Get the keys
Line 634  ENDHEADER Line 970  ENDHEADER
     my $tmpinfo = Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);      my $tmpinfo = Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
     if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {      if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
         # I do not a have a better idea about how to handle this          # I do not a have a better idea about how to handle this
           my $tryagain_text = &mt('Please log out and try again.');
           if ($caller eq 'reset_by_email') {
               $tryagain_text = &mt('Please try again later.');
           }
  $r->print(<<ENDERROR);   $r->print(<<ENDERROR);
 <p>  <p>
 <font color="#ff0000">ERROR:</font> Unable to retrieve stored token for  <font color="#ff0000">ERROR:</font> Unable to retrieve stored token for
 password decryption.  Please log out and try again.  password decryption.  $tryagain_text
 </p>  </p>
 ENDERROR  ENDERROR
         # Probably should log an error here          # Probably should log an error here
         return;          return 1;
     }      }
     my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);      my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);
     #       # 
     $currentpass = &des_decrypt($ckey ,$currentpass);      $currentpass = &des_decrypt($ckey ,$currentpass);
     $newpass1    = &des_decrypt($n1key,$newpass1);      $newpass1    = &des_decrypt($n1key,$newpass1);
     $newpass2    = &des_decrypt($n2key,$newpass2);      $newpass2    = &des_decrypt($n2key,$newpass2);
     #       #
       if ($caller eq 'reset_by_email') {
           my %data = &Apache::lonnet::tmpget($mailtoken);
           if ($currentpass ne $data{'temppasswd'}) {
               &passwordchanger($r,
                            '<font color="#ff0000">ERROR:</font>'.
                            'Could not verify current authentication.  '.
                            'Please try again.',$caller,$mailtoken);
               return 1;
           }
       } 
     if ($newpass1 ne $newpass2) {      if ($newpass1 ne $newpass2) {
  &passwordchanger($r,   &passwordchanger($r,
  '<font color="#ff0000">ERROR:</font>'.   '<font color="#ff0000">ERROR:</font>'.
  'The new passwords you entered do not match.  '.   'The new passwords you entered do not match.  '.
  'Please try again.');   'Please try again.',$caller,$mailtoken);
  return;   return 1;
     }      }
     if (length($newpass1) < 7) {      if (length($newpass1) < 7) {
  &passwordchanger($r,   &passwordchanger($r,
  '<font color="#ff0000">ERROR:</font>'.   '<font color="#ff0000">ERROR:</font>'.
  'Passwords must be a minimum of 7 characters long.  '.   'Passwords must be a minimum of 7 characters long.  '.
  'Please try again.');   'Please try again.',$caller,$mailtoken);
  return;   return 1;
     }      }
     #      #
     # Check for bad characters      # Check for bad characters
Line 671  ENDERROR Line 1021  ENDERROR
     }      }
     if ($badpassword) {      if ($badpassword) {
  # I can't figure out how to enter bad characters on my browser.   # I can't figure out how to enter bad characters on my browser.
  &passwordchanger($r,<<ENDERROR);   my $errormessage = <<"ENDERROR";
 <font color="#ff0000">ERROR:</font>  <font color="#ff0000">ERROR:</font>
 The password you entered contained illegal characters.<br />  The password you entered contained illegal characters.<br />
 Valid characters are: space and <br />  Valid characters are: space and <br />
Line 680  Valid characters are: space and <br /> Line 1030  Valid characters are: space and <br />
 ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~  ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~
 </pre>  </pre>
 ENDERROR  ENDERROR
           &passwordchanger($r,$errormessage,$caller,$mailtoken);
           return 1;
     }      }
     #       # 
     # Change the password (finally)      # Change the password (finally)
     my $result = &Apache::lonnet::changepass      my $result = &Apache::lonnet::changepass
  ($user,$domain,$currentpass,$newpass1,$homeserver);   ($user,$domain,$currentpass,$newpass1,$homeserver,$caller);
     # Inform the user the password has (not?) been changed      # Inform the user the password has (not?) been changed
     if ($result =~ /^ok$/) {      if ($result =~ /^ok$/) {
  $r->print(<<"ENDTEXT");   $r->print(<<"ENDTEXT");
 <h2>The password for $user was successfully changed</h2>  <h3>The password for $user was successfully changed</h3>
 ENDTEXT  ENDTEXT
     } else {      } else {
  # error error: run in circles, scream and shout   # error error: run in circles, scream and shout
         $r->print(<<ENDERROR);          $r->print(<<ENDERROR);
 <h2><font color="#ff0000">The password for $user was not changed</font></h2>  <h3><font color="#ff0000">The password for $user was not changed</font></h3>
 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 />
   END
       $r->print(&Apache::loncommon::start_data_table());
       $r->print(<<"END");
          <tr>
           <th>$lt{'pref'}</th>
           <th>$lt{'curr'}</th>
           <th>$lt{'actn'}?</th>
          </tr>
   END
       $r->print(&Apache::loncommon::start_data_table_row());
       $r->print(<<"END");
          <td>$lt{'disa'}</td>
          <td>$lt{$discdisp}</td>
          <td><label><input type="checkbox" name="discdisp" /><input type="hidden" name="newdisp" value="$newdisp" />&nbsp;$lt{'chgt'} "$dispchange"</label></td>
   END
       $r->print(&Apache::loncommon::end_data_table_row().
         &Apache::loncommon::start_data_table_row());
       $r->print(<<"END");
          <td>$lt{'npmr'}</td>
          <td>$lt{$discmark}</td>
          <td><label><input type="checkbox" name="discmark" /><input type="hidden" name="newmark" value="$newmark" />&nbsp;$lt{'chgt'} "$markchange"</label></td>
         </tr>
   END
       $r->print(&Apache::loncommon::end_data_table_row().
         &Apache::loncommon::end_data_table());
       $r->print(<<"END");
   <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 709  ENDERROR Line 1281  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'};
     $r->content_type('text/html');      &Apache::loncommon::content_type($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 ($ENV{'form.action'} eq 'changemsgforward') {      my @Options;
         &msgforwardchanger($r);      # Determine current authentication method
     } elsif ($ENV{'form.action'} eq 'verify_and_change_msgforward') {      my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);
         &verify_and_change_msgforward($r);      if ($currentauth =~ /^(unix|internal):/) {
     } elsif ($ENV{'form.action'} eq 'changecolors') {          push (@Options,({ action   => 'changepass',
         &colorschanger($r);                            linktext => 'Change Password',
     } elsif ($ENV{'form.action'} eq 'verify_and_change_colors') {                            href     => '/adm/preferences',
         &verify_and_change_colors($r);                            help     => 'Change_Password',
     } elsif ($ENV{'form.action'} eq 'changelanguages') {                            subroutine => \&passwordchanger,
         &languagechanger($r);                            breadcrumb => 
     } elsif ($ENV{'form.action'} eq 'verify_and_change_languages') {                                { href => '/adm/preferences?action=changepass',
         &verify_and_change_languages($r);                                  text => 'Change Password'},
     } elsif ($ENV{'form.action'} eq 'debugtoggle') {                            },
  if (($ENV{'user.name'} eq 'albertel' ) ||                          { action => 'verify_and_change_pass',
             ($ENV{'user.name'} eq 'kortemey' ) ||                            subroutine => \&verify_and_change_password,
             ($ENV{'user.name'} eq 'korte')) {                            breadcrumb => 
     if ($ENV{'user.debug'}) {                                { href =>'/adm/preferences?action=changepass',
  &Apache::lonnet::delenv('user\.debug');                                  text => 'Change Password'},
     } else {                            printmenu => 'not_on_error',
  &Apache::lonnet::appenv('user.debug' => 1);                            }));
     }      }
  }      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 ($env{'environment.remote'} eq 'off') {
    push (@Options,({ action => 'launch',
     linktext => 'Launch Remote Control',
     href => '/adm/remote?url=/adm/preferences',
         }));
     } else {      } else {
  $r->print(<<ENDHEADER);   push (@Options,({ action => 'collapse',
 <html>    linktext => 'Collapse Remote Control',
 <head>    href => '/adm/remote?url=/adm/preferences',
 <title>LON-CAPA Preferences</title>        }));
 </head>      }
 ENDHEADER  
         $r->print(&Apache::loncommon::bodytag('Change Your Preferences'));      if (&Apache::lonnet::allowed('whn',$env{'request.course.id'})
  # Determine current authentication method   || &Apache::lonnet::allowed('whn',$env{'request.course.id'}.'/'
  my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain);      .$env{'request.course.sec'})) {
  if ($currentauth =~ /^(unix|internal):/) {          push (@Options,({ action => 'changecourseinit',
     $r->print(<<ENDPASSWORDFORM);                            linktext => 'Change Course Initialization Preference',
 <form name="client" action="/adm/preferences" method="post">                            href => '/adm/preferences',
 <input type="hidden" name="action" value="changepass" />                            subroutine => \&coursedisplaychanger,
 <input type="submit" value="Change password" />                            breadcrumb =>
 </form>                                { href => '/adm/preferences?action=changecourseinit',
 ENDPASSWORDFORM                                  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'};
         }          }
 # 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" />  
 </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" />  
 </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" />  
 </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 (($ENV{'user.name'} eq 'albertel' ) ||  
             ($ENV{'user.name'} eq 'kortemey' ) ||  
             ($ENV{'user.name'} eq 'korte')) {  
     $r->print(<<ENDDEBUG);  
 <form name="client" action="/adm/preferences" method="post">  
 <input type="hidden" name="action" value="debugtoggle" />  
 <input type="submit" value="Toggle Debug" />  
 Current Debug status is -$ENV{'user.debug'}-.  
 </form>  
 ENDDEBUG  
  }  
  # Other preference setting code should be added here  
     }      }
     $r->print(<<ENDFOOTER);      $r->print(&Apache::lonhtmlcommon::breadcrumbs('Change Preferences',$help));
 </body>      my $error;
 </html>      if (defined($call)) {
 ENDFOOTER          $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'})) {
    $option->{'href_args'}{'action'}=$option->{'action'};
    $optiontext .= 
                       '<a href="'.&add_get_param($option->{'href'},
          $option->{'href_args'}).'">'.
                       &mt($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(&Apache::loncommon::end_page());
     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.1.28  
changed lines
  Added in v.1.94

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