[BACK]Return to lonpreferences.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/lonpreferences.pm between versions 1.59 and 1.111

version 1.59, 2005/04/07 06:56:23 version 1.111, 2008/01/20 22:34:40
Line 33 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;
Line 41  use Apache::loncommon(); Line 42  use Apache::loncommon();
 use Apache::lonhtmlcommon();  use Apache::lonhtmlcommon();
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonnet;  use Apache::lonnet;
   use LONCAPA();
   
 #  #
 # Write lonnet::passwd to do the call below.  # Write lonnet::passwd to do the call below.
Line 98  sub wysiwygchanger { Line 100  sub wysiwygchanger {
     my $r = shift;      my $r = shift;
     my %userenv = &Apache::lonnet::get      my %userenv = &Apache::lonnet::get
         ('environment',['wysiwygeditor']);          ('environment',['wysiwygeditor']);
       my $onselect='checked="checked"';
     my $offselect='';      my $offselect='';
     my $onselect='checked="1"';      if ($userenv{'wysiwygeditor'} eq 'on') {
     if ($userenv{'wysiwygeditor'}) {  
  $onselect='';   $onselect='';
  $offselect='checked="1"';   $offselect='checked="checked"';
     }      }
     my $switchoff=&mt('Disable WYSIWYG editor');      my $switchoff=&mt('Disable WYSIWYG editor');
     my $switchon=&mt('Enable WYSIWYG editor');      my $switchon=&mt('Enable WYSIWYG editor');
     $r->print(<<ENDLSCREEN);      $r->print(<<ENDLSCREEN);
 <form name="server" action="/adm/preferences" method="post">  <form name="prefs" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="set_wysiwyg" />  <input type="hidden" name="action" value="set_wysiwyg" />
 <br />  <br />
 <input type="radio" name="wysiwyg" value="off" $onselect /> $switchoff<br />  <label><input type="radio" name="wysiwyg" value="off" $onselect /> $switchoff</label><br />
 <input type="radio" name="wysiwyg" value="on" $offselect /> $switchon  <label><input type="radio" name="wysiwyg" value="on" $offselect /> $switchon</label>
 ENDLSCREEN  ENDLSCREEN
     $r->print('<br /><input type="submit" value="'.&mt('Change').'" />');      $r->print('<br /><input type="submit" value="'.&mt('Change').'" />');
 }  }
Line 147  sub languagechanger { Line 149  sub languagechanger {
     my $selectionbox=&Apache::loncommon::select_form($language,'language',      my $selectionbox=&Apache::loncommon::select_form($language,'language',
      %langchoices);       %langchoices);
     $r->print(<<ENDLSCREEN);      $r->print(<<ENDLSCREEN);
 <form name="server" action="/adm/preferences" method="post">  <form name="prefs" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="verify_and_change_languages" />  <input type="hidden" name="action" value="verify_and_change_languages" />
 <br />$pref: $selectionbox  <br />$pref: $selectionbox
 ENDLSCREEN  ENDLSCREEN
Line 166  sub verify_and_change_languages { Line 168  sub verify_and_change_languages {
     if ($newlanguage) {      if ($newlanguage) {
         &Apache::lonnet::put('environment',{'languages' => $newlanguage});          &Apache::lonnet::put('environment',{'languages' => $newlanguage});
         &Apache::lonnet::appenv('environment.languages' => $newlanguage);          &Apache::lonnet::appenv('environment.languages' => $newlanguage);
         $message='Set new preferred languages to '.$newlanguage;          $message=&mt('Set new preferred languages to ').'<tt>"'.$newlanguage.'"</tt>.';
     } else {      } else {
         &Apache::lonnet::del('environment',['languages']);          &Apache::lonnet::del('environment',['languages']);
         &Apache::lonnet::delenv('environment\.languages');          &Apache::lonnet::delenv('environment\.languages');
         $message='Reset preferred language';          $message=&mt('Reset preferred language.');
     }      }
     $r->print(<<ENDVCSCREEN);      $r->print(<<ENDVCSCREEN);
 $message  $message
Line 188  sub texenginechanger { Line 190  sub texenginechanger {
     my $texengine=$userenv{'texengine'};      my $texengine=$userenv{'texengine'};
   
     my $pref=&mt('Preferred method to display Math');      my $pref=&mt('Preferred method to display Math');
     my %mathchoices=('' => 'No Preference',      my %mathchoices=('' => 'Default',
      'tth' => 'TeX to HTML',       'tth' => 'TeX to HTML',
      'ttm' => 'TeX to MathML',       #'ttm' => 'TeX to MathML',
      'jsMath' => 'jsMath',       'jsMath' => 'jsMath',
      'mimetex' => 'Convert to Images'       'mimetex' => 'Convert to Images'
                      );                       );
     my $selectionbox=&Apache::loncommon::select_form($texengine,'texengine',      my $selectionbox=&Apache::loncommon::select_form($texengine,'texengine',
      %mathchoices);       %mathchoices);
     my $mathexample='$$\int\left(\frac{a+b}{c^6*d}\right)$$';      my $jsMath_start=&Apache::lontexconvert::jsMath_header();
     my $jsMath_example=&Apache::lontexconvert::jsMath_converted(\$mathexample);  
     $mathexample='$$\int\left(\frac{a+b}{c^6*d}\right)$$';  
     my $tth_example=&Apache::lontexconvert::tth_converted(\$mathexample);  
     $mathexample='$$\int\left(\frac{a+b}{c^6*d}\right)$$';  
     my $mimetex_example=&Apache::lontexconvert::mimetex_converted(\$mathexample);  
     my $change=&mt('Change');      my $change=&mt('Change');
     $r->print(<<ENDLSCREEN);      $r->print(<<ENDLSCREEN);
 <form name="server" action="/adm/preferences" method="post">  <br />
   
   <form name="prefs" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="verify_and_change_texengine" />  <input type="hidden" name="action" value="verify_and_change_texengine" />
 <p>$pref: $selectionbox</p>  <p>$pref: $selectionbox</p>
 <p><input type="submit" value="$change" /></p>  <p><input type="submit" value="$change" /></p>
 </form>  </form>
 Examples:  Examples:
 <p> TeX to HTML <br /> $tth_example</p>  <p> TeX to HTML <br /> 
 <script type="text/javascript">function NoFontMessage () { }</script>  <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=tth" width="400" hieght="200"></iframe>
 <script src="/adm/jsMath/jsMath.js"></script>  </p>
 <p>jsMath <br />   <p>jsMath <br /> 
   $jsMath_start
 <script type="text/javascript">  <script type="text/javascript">
 if (jsMath.nofonts == 1) {  if (jsMath.nofonts == 1) {
     document.writeln      document.writeln
Line 231  if (jsMath.nofonts == 1) { Line 230  if (jsMath.nofonts == 1) {
  +'</font></small></div></center>');   +'</font></small></div></center>');
 }  }
 </script>  </script>
   <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=jsMath" width="400" hieght="200"></iframe>
   
 $jsMath_example</p>  </p>
 <p> Convert to Images <br /> $mimetex_example</p>  <p> Convert to Images <br />
   <br />
   <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=mimetex" width="400" hieght="200"></iframe>
   </p>
 ENDLSCREEN  ENDLSCREEN
     if ($env{'environment.texengine'} ne 'jsMath') {      if ($env{'environment.texengine'} ne 'jsMath') {
  $r->print('<script type="text/javascript">jsMath.Process()</script>');   $r->print('<script type="text/javascript">jsMath.Process()</script>');
Line 259  sub verify_and_change_texengine { Line 262  sub verify_and_change_texengine {
     if ($newtexengine) {      if ($newtexengine) {
         &Apache::lonnet::put('environment',{'texengine' => $newtexengine});          &Apache::lonnet::put('environment',{'texengine' => $newtexengine});
         &Apache::lonnet::appenv('environment.texengine' => $newtexengine);          &Apache::lonnet::appenv('environment.texengine' => $newtexengine);
         $message='Set new preferred math display to '.$newtexengine;          $message=&mt('Set new preferred math display to ').'<tt>"'.$newtexengine.'"</tt>.';
     } else {      } else {
         &Apache::lonnet::del('environment',['texengine']);          &Apache::lonnet::del('environment',['texengine']);
         &Apache::lonnet::delenv('environment\.texengine');          &Apache::lonnet::delenv('environment\.texengine');
         $message='Reset preferred math display.';          $message=&mt('Reset preferred math display.');
     }      }
   
   
Line 277  ENDVCSCREEN Line 280  ENDVCSCREEN
 ################################################################  ################################################################
 sub rolesprefchanger {  sub rolesprefchanger {
     my $r = shift;      my $r = shift;
       my $role    = ($env{'user.adv'} ? 'Role' : 'Course');
       my $lc_role = ($env{'user.adv'} ? 'role' : 'course');
     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
Line 296  sub rolesprefchanger { Line 301  sub rolesprefchanger {
  $options .= "<option $select>$i</option>\n";   $options .= "<option $select>$i</option>\n";
     }      }
   
     $r->print(<<ENDSCREEN);  # Get list of recent roles and display with checkbox in front
 <p>Some LON-CAPA users have a long list of roles. The Recent Roles Hotlist      my $roles_check_list = '';
 feature keeps track of the last N roles which have been      my $role_key='';
 visited and places a table of these at the top of the roles page.      if ($env{'environment.recentroles'}) {
 People with very few roles should leave this feature disabled.          my %recent_roles =
 </p>                 &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";
       }
   
 <form name="server" action="/adm/preferences" method="post">      $r->print('
   <p>'.&mt('Some LON-CAPA users have a long list of '.$lc_role.'s. The Recent '.$role.'s Hotlist feature keeps track of the last N '.$lc_role.'s which have been visited and places a table of these at the top of the '.$lc_role.'s page. People with very few '.$lc_role.'s should leave this feature disabled.').'
   </p>
   <form name="prefs" action="/adm/preferences" method="POST">
 <input type="hidden" name="action" value="verify_and_change_rolespref" />  <input type="hidden" name="action" value="verify_and_change_rolespref" />
 <br />Enable Recent Roles Hotlist:  <br /><label>'.&mt('Enable Recent '.$role.'s Hotlist:').'
 <input type="checkbox" $checked name="recentroles" value="true" />  <input type="checkbox" '.$checked.' name="recentroles" value="true" /></label>
 <br />Number of roles in Hotlist:  <br />'.&mt('Number of '.$role.'s in Hotlist:').'
 <select name="recentrolesn" size="1">  <select name="recentrolesn" size="1">
 $options  '.$options.'
 </select>  </select>
   <p>'.&mt('This list below can be used to <q>freeze</q> '.$lc_role.'s on your screen. Those marked as frozen will not be removed from the list, even if they have not been used recently.').'
   </p>
   '.$roles_check_list.'
 <br />  <br />
 <input type="submit" value="Change" />  <input type="submit" value="'.&mt('Change').'" />
 </form>  </form>');
 ENDSCREEN  }
   
   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 {  sub verify_and_change_rolespref {
     my $r = shift;      my $r = shift;
       my $role = ($env{'user.adv'} ? 'Role' : 'Course');
     my $user       = $env{'user.name'};      my $user       = $env{'user.name'};
     my $domain     = $env{'user.domain'};      my $domain     = $env{'user.domain'};
 # Recent Roles Hotlist Flag  # Recent Roles Hotlist Flag
     my $hotlist_flag  = $env{'form.recentroles'};      my $hotlist_flag  = $env{'form.recentroles'};
     my $hotlist_n  = $env{'form.recentrolesn'};      my $hotlist_n  = $env{'form.recentrolesn'};
     my $message='';      my $message='<hr />';
     if ($hotlist_flag) {      if ($hotlist_flag) {
         &Apache::lonnet::put('environment',{'recentroles' => $hotlist_flag});          &Apache::lonnet::put('environment',{'recentroles' => $hotlist_flag});
         &Apache::lonnet::appenv('environment.recentroles' => $hotlist_flag);          &Apache::lonnet::appenv('environment.recentroles' => $hotlist_flag);
         $message='Recent Roles Hotlist is Enabled';          $message=&mt('Recent '.$role.'s Hotlist is Enabled');
     } else {      } else {
         &Apache::lonnet::del('environment',['recentroles']);          &Apache::lonnet::del('environment',['recentroles']);
         &Apache::lonnet::delenv('environment\.recentroles');          &Apache::lonnet::delenv('environment\.recentroles');
         $message='Recent Roles Hotlist is Disabled';          $message=&mt('Recent '.$role.'s Hotlist is Disabled');
     }      }
     if ($hotlist_n) {      if ($hotlist_n) {
         &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n});          &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n});
         &Apache::lonnet::appenv('environment.recentrolesn' => $hotlist_n);          &Apache::lonnet::appenv('environment.recentrolesn' => $hotlist_n);
         if ($hotlist_flag) {          if ($hotlist_flag) {
             $message.="<br />Display $hotlist_n Most Recent Roles\n";              $message.="<br />".
    &mt('Display [_1] Most Recent '.$role.'s',$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);      $r->print(<<ENDRPSCREEN);
 $message  $message
Line 360  sub screennamechanger { Line 467  sub screennamechanger {
         ('environment',['screenname','nickname']);          ('environment',['screenname','nickname']);
     my $screenname=$userenv{'screenname'};      my $screenname=$userenv{'screenname'};
     my $nickname=$userenv{'nickname'};      my $nickname=$userenv{'nickname'};
       my %lt = &Apache::lonlocal::texthash(
                                             text_screenname  => 'New screenname (shown if you post anonymously):',
                                             text_nickname  => 'New nickname (shown if you post non-anonymously):',
                                             text_submit => 'Change',
                                           );
     $r->print(<<ENDSCREEN);      $r->print(<<ENDSCREEN);
 <form name="server" action="/adm/preferences" method="post">  <form name="prefs" action="/adm/preferences" method="post">
 <input type="hidden" name="action" value="verify_and_change_screenname" />  <input type="hidden" name="action" value="verify_and_change_screenname" />
 <br />New screenname (shown if you post anonymously):  <br />$lt{'text_screenname'}
 <input type="text" size="20" value="$screenname" name="screenname" />  <input type="text" size="20" value="$screenname" name="screenname" />
 <br />New nickname (shown if you post non-anonymously):  <br />$lt{'text_nickname'}
 <input type="text" size="20" value="$nickname" name="nickname" />  <input type="text" size="20" value="$nickname" name="nickname" />
 <input type="submit" value="Change" />  <br />
   <input type="submit" value="$lt{'text_submit'}" />
 </form>  </form>
 ENDSCREEN  ENDSCREEN
 }  }
Line 383  sub verify_and_change_screenname { Line 496  sub verify_and_change_screenname {
     if ($newscreen) {      if ($newscreen) {
         &Apache::lonnet::put('environment',{'screenname' => $newscreen});          &Apache::lonnet::put('environment',{'screenname' => $newscreen});
         &Apache::lonnet::appenv('environment.screenname' => $newscreen);          &Apache::lonnet::appenv('environment.screenname' => $newscreen);
         $message='Set new screenname to '.$newscreen;          $message=&mt('Set new screenname to ').'<tt>"'.$newscreen.'."</tt>.';
     } else {      } else {
         &Apache::lonnet::del('environment',['screenname']);          &Apache::lonnet::del('environment',['screenname']);
         &Apache::lonnet::delenv('environment\.screenname');          &Apache::lonnet::delenv('environment\.screenname');
         $message='Reset screenname';          $message=&mt('Reset screenname.');
     }      }
 # Nickname  # Nickname
     $message.='<br />';      $message.='<br />';
Line 396  sub verify_and_change_screenname { Line 509  sub verify_and_change_screenname {
     if ($newscreen) {      if ($newscreen) {
         &Apache::lonnet::put('environment',{'nickname' => $newscreen});          &Apache::lonnet::put('environment',{'nickname' => $newscreen});
         &Apache::lonnet::appenv('environment.nickname' => $newscreen);          &Apache::lonnet::appenv('environment.nickname' => $newscreen);
         $message.='Set new nickname to '.$newscreen;          $message.=&mt('Set new nickname to ').'<tt>"'.$newscreen.'"</tt>.';
     } else {      } else {
         &Apache::lonnet::del('environment',['nickname']);          &Apache::lonnet::del('environment',['nickname']);
         &Apache::lonnet::delenv('environment\.nickname');          &Apache::lonnet::delenv('environment\.nickname');
         $message.='Reset nickname';          $message.=&mt('Reset nickname.');
     }      }
       &Apache::lonnet::devalidate_cache_new('namescache',$user.':'.$domain);
     $r->print(<<ENDVCSCREEN);      $r->print(<<ENDVCSCREEN);
 $message  $message
 ENDVCSCREEN  ENDVCSCREEN
 }  }
   
 ################################################################  ################################################################
   #                     Icon Subroutines                         #
   ################################################################
   sub iconchanger {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my %userenv = &Apache::lonnet::get
           ('environment',['icons']);
       my $iconic='checked="checked"';
       my $classic='';
       my $onlyicon='';
       if ($userenv{'icons'} eq 'classic') {
          $classic='checked="checked"';
          $iconic='';
       }
       if ($userenv{'icons'} eq 'iconsonly') {
          $onlyicon='checked="checked"';
          $iconic='';
       }
       my $useicons=&mt('Use icons and text');
       my $usebuttons=&mt('Use buttons and text');
       my $useicononly=&mt('Use icons only');
       my $change=&mt('Change');
       $r->print(<<ENDSCREEN);
   <form name="prefs" action="/adm/preferences" method="post">
   <input type="hidden" name="action" value="verify_and_change_icons" />
   <label><input type="radio" name="menumode" value="iconic" $iconic /> $useicons</label><br />
   <label><input type="radio" name="menumode" value="classic" $classic /> $usebuttons</label><br />
   <label><input type="radio" name="menumode" value="iconsonly" $onlyicon /> $useicononly</label><br />
   <input type="submit" value="$change" />
   </form>
   ENDSCREEN
   }
   
   sub verify_and_change_icons {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my $newicons  = $env{'form.menumode'};
   
       &Apache::lonnet::put('environment',{'icons' => $newicons});
       &Apache::lonnet::appenv('environment.icons' => $newicons);
       $r->print(&mt('Set menu mode to [_1].',$newicons));
   }
   
   ################################################################
   #                     Clicker Subroutines                      #
   ################################################################
   
   sub clickerchanger {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my %userenv = &Apache::lonnet::get
           ('environment',['clickers']);
       my $clickers=$userenv{'clickers'};
       $clickers=~s/\,/\n/gs;
       my $text=&mt('Enter response device ("clicker") numbers');
       my $change=&mt('Register');
       my $helplink=&Apache::loncommon::help_open_topic('Clicker_Registration', 'Locating your clicker ID');
       $r->print(<<ENDSCREEN);
   <form name="prefs" action="/adm/preferences" method="post">
   <input type="hidden" name="action" value="verify_and_change_clicker" />
   <label>$text $helplink<br />
   <textarea name="clickers" rows="5" cols="20">$clickers</textarea>
   </label>
   <input type="submit" value="$change" />
   </form>
   ENDSCREEN
   }
   
   sub verify_and_change_clicker {
       my $r = shift;
       my $user       = $env{'user.name'};
       my $domain     = $env{'user.domain'};
       my $newclickers  = $env{'form.clickers'};
       $newclickers=~s/[^\w\:\-]+/\,/gs;
       $newclickers=~tr/a-z/A-Z/;
       $newclickers=~s/[\:\-]+/\-/g;
       $newclickers=~s/\,+/\,/g;
       $newclickers=~s/^\,//;
       $newclickers=~s/\,$//;
       &Apache::lonnet::put('environment',{'clickers' => $newclickers});
       &Apache::lonnet::appenv('environment.clickers' => $newclickers);
       $r->print(&mt('Registering clickers: [_1]',$newclickers));
   }
   
   ################################################################
 #         Message Forward                                      #  #         Message Forward                                      #
 ################################################################  ################################################################
   
 sub msgforwardchanger {  sub msgforwardchanger {
     my $r = shift;      my ($r,$message) = @_;
     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','notifywithhtml']);
     my $msgforward=$userenv{'msgforward'};      my $msgforward=$userenv{'msgforward'};
     my $notification=$userenv{'notification'};      my %lt = &Apache::lonlocal::texthash(
     my $critnotification=$userenv{'critnotification'};                                            all   => 'All',
                                             crit  => 'Critical only',
                                             reg   => 'Non-critical only',
                                             foad  => 'Forwarding Address(es)',
                                             foad_exmpl => 'e.g. <tt>userA:domain1,userB:domain2,...</tt>',
                                             mnot  => 'Email Address(es) which should be notified about new LON-CAPA messages', # old: 'Message Notification Email Address(es)',
                                             mnot_exmpl => 'e.g. <tt>joe@doe.com</tt>',
                                             chg   => 'Change',
                                             email => 'The e-mail address entered in row ',
                                             notv => 'is not a valid e-mail address',
                                             toen => "To enter multiple addresses, enter one address at a time, click 'Change' and then add the next one", 
                                             prme => 'Back to preferences menu',
                                           );
     my $forwardingHelp = Apache::loncommon::help_open_topic("Prefs_Forwarding",      my $forwardingHelp = Apache::loncommon::help_open_topic("Prefs_Forwarding",
     "What are forwarding ".      &mt("What are forwarding and notification addresses?"));
     "and notification ".  
     "addresses");  
     my $criticalMessageHelp = Apache::loncommon::help_open_topic("Course_Critical_Message",      my $criticalMessageHelp = Apache::loncommon::help_open_topic("Course_Critical_Message",
  "What are critical messages");   &mt("What are critical messages?"));
       my @allow_html = split(/,/,$userenv{'notifywithhtml'});
       my %allnot = &get_notifications(\%userenv);
       my $validatescript = &Apache::lonhtmlcommon::javascript_valid_email();
       my $jscript = qq|
   <script type="text/javascript">
   function validate() {
       for (var i=0; i<document.prefs.numnotify.value; i++) {
           var checkaddress = 0;
           var addr = document.prefs.elements['address_'+i].value;
           var rownum = i+1;
           if (i < document.prefs.numnotify.value-1) {
               if (document.prefs.elements['modify_notify_'+i].checked) {
                   checkaddress = 1;
               }
           } else {
               if (document.prefs.elements['add_notify_'+i].checked == true) { 
                   checkaddress = 1;
               }
           }
           if (checkaddress == 1)  {
               var addr = document.prefs.elements['address_'+i].value;
               if (validmail(document.prefs.elements['address_'+i]) == false) {
                   var multimsg = '';
                   if (addr.indexOf(",") >= 0) {
                       multimsg = "\\n($lt{'toen'}).";
                   }
                   alert("$lt{'email'} "+rownum+" ('"+addr+"') $lt{'notv'}."+multimsg);
                   return;
               }
           }
       }
       document.prefs.submit();
   }
   
   function address_changes (adnum) {
        if (!document.prefs.elements['del_notify_'+adnum].checked) { 
            document.prefs.elements['modify_notify_'+adnum].checked = true;
        }   
   }
   
   function new_address(adnum) {
        document.prefs.elements['add_notify_'+adnum].checked = true;
   }
   
   function delete_address(adnum) {
        if (document.prefs.elements['del_notify_'+adnum].checked) {
             document.prefs.elements['modify_notify_'+adnum].checked = false;
        }
   }
   
   function modify_address(adnum) {
       if (document.prefs.elements['modify_notify_'+adnum].checked) {
           document.prefs.elements['del_notify_'+adnum].checked = false;
       }
   } 
   
   $validatescript
   </script>
   |;
     $r->print(<<ENDMSG);      $r->print(<<ENDMSG);
 $forwardingHelp <br />  $jscript
 <form name="server" action="/adm/preferences" method="post">  $message
   $forwardingHelp
   <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>):  $lt{'foad'} ($lt{'foad_exmpl'}):
 <input type="text" size="40" value="$msgforward" name="msgforward" /><hr />  <input type="text" size="40" value="$msgforward" name="msgforward" /><hr />
 New Message Notification Email Address(es) (<tt>joe\@doe.com,jane\@doe.edu,...</tt>):  $criticalMessageHelp
 <input type="text" size="40" value="$notification" name="notification" /><hr />  $lt{'mnot'} ($lt{'mnot_exmpl'}):<br />
 New Critical Message Notification Email Address(es) (<tt>joe\@doe.com,jane\@doe.edu,...</tt>):  
 <input type="text" size="40" value="$critnotification" name="critnotification" />$criticalMessageHelp<hr />  
 <input type="submit" value="Change" />  
 </form>  
 ENDMSG  ENDMSG
       my @sortforwards = sort (keys(%allnot));
       my $output = &Apache::loncommon::start_data_table().
                    &Apache::loncommon::start_data_table_header_row().
                    '<th>&nbsp;</th>'.
                    '<th>'.&mt('Action').'</th>'.
                    '<th>'.&mt('Notification address').'</th><th>'.
                    &mt('Types of message to send notification of, to this address').'</th><th>'.
                    &mt('Excerpt retains HTML tags in message').'</th>'.
                    &Apache::loncommon::end_data_table_header_row();
       my $num = 0;
       my $counter = 1;
       foreach my $item (@sortforwards) {
           $output .= &Apache::loncommon::start_data_table_row().
                      '<td><b>'.$counter.'</b></td>'.
                      '<td><span class="LC_nobreak"><label>'.
                      '<input type="checkbox" name="modify_notify_'.
                      $num.'" onclick="javscript:modify_address('."'$num'".')" />'.
                      &mt('Modify').'</label></span>&nbsp;&nbsp; '.
                      '<span class="LC_nobreak"><label>'.
                      '<input type="checkbox" name="del_notify_'.$num.
                      '" onclick="javscript:delete_address('."'$num'".')" />'.
                      &mt('Delete').'</label></span></td>'.
                      '<td><input type="text" value="'.$item.'" name="address_'.
                      $num.'" onFocus="javascript:address_changes('."'$num'".
                      ')" /></td><td>';
           my %chk;
           if (defined($allnot{$item}{'crit'})) {
               if (defined($allnot{$item}{'reg'})) {
                   $chk{'all'} = 'checked="checked" ';
               } else {
                   $chk{'crit'} = 'checked="checked" ';
               }
           } else {
               $chk{'reg'} = 'checked="checked" ';
           }
           foreach my $type ('all','crit','reg') {
               $output .= '<span class="LC_nobreak"><label>'.
                          '<input type="radio" name="notify_type_'.$num. 
                          '" value="'.$type.'" '.$chk{$type}.
                          ' onchange="javascript:address_changes('."'$num'".')" />'.
                          $lt{$type}.'</label></span>&nbsp;';
           }
           my $htmlon = '';
           my $htmloff = '';
           if (grep/^\Q$item\E/,@allow_html) {
               $htmlon = 'checked="checked" '; 
           } else {
               $htmloff = 'checked="checked" ';
           }
           $output .= '</td><td><label><input type="radio" name="html_'.$num.
                      '" value="1" '.$htmlon.
                      ' onchange="javascript:address_changes('."'$num'".')" />'.
                      &mt('Yes').'</label>&nbsp;'.
                      '<label><input type="radio" name="html_'.$num.'" value="0" '.
                      $htmloff. ' onchange="javascript:address_changes('."'$num'".
   ')" />'.
                      &mt('No').'</label></td>'.
                      &Apache::loncommon::end_data_table_row();
           $num ++;
           $counter ++;
       }
       my %defchk = (
                      all => 'checked="checked" ',
                      crit => '',
                      reg => '',
                    );
       $output .= &Apache::loncommon::start_data_table_row().
                  '<td><b>'.$counter.'</b></td>'.
                  '<td><span class="LC_nobreak"><label>'.
                  '<input type="checkbox" name="add_notify_'.$num.
                  '" value="1" />'.&mt('Add new address').'</label></span></td>'.
                  '<td><input type="text" value="" name="address_'.$num.
                  '" onFocus="javascript:new_address('."'$num'".')" /></td><td>';
       foreach my $type ('all','crit','reg') {
           $output .= '<span class="LC_nobreak"><label>'.
                      '<input type="radio" name="notify_type_'.$num.
                      '" value="'.$type.'" '.$defchk{$type}.'/>'.
                      $lt{$type}.'</label></span>&nbsp;';
       }
       $output .= '</td><td><label><input type="radio" name="html_'.$num.
                  '" value="1" />'.&mt('Yes').'</label>&nbsp;'.
                  '<label><input type="radio" name="html_'.$num.'" value="0" '.
                  ' checked="checked" />'.
                  &mt('No').'</label></td>'.
                  &Apache::loncommon::end_data_table_row().
                  &Apache::loncommon::end_data_table();
       $num ++;
       $r->print($output);
       $r->print(qq|
   <hr />
   <input type="hidden" name="numnotify" value="$num" />
   <input type="button" value="$lt{'chg'}" onclick="javascript:validate()" />
   <input type="button" value="$lt{'prme'}" onclick="location.href='/adm/preferences'" />
   </form>
   |);
   
   }
   
   sub get_notifications {
       my ($userenv) = @_;
       my %allnot;
       my @critnot = split(/,/,$userenv->{'critnotification'});
       my @regnot = split(/,/,$userenv->{'notification'});
       foreach my $item (@critnot) {
           $allnot{$item}{crit} = 1;
       }
       foreach my $item (@regnot) {
           $allnot{$item}{reg} = 1;
       }
       return %allnot;
 }  }
   
 sub verify_and_change_msgforward {  sub verify_and_change_msgforward {
Line 450  sub verify_and_change_msgforward { Line 827  sub verify_and_change_msgforward {
     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;          $msuser = &LONCAPA::clean_username($msuser);
         $msdomain=~s/\W//g;          $msdomain = &LONCAPA::clean_domain($msdomain);
         if (($msuser) && ($msdomain)) {          if (($msuser) && ($msdomain)) {
     if (&Apache::lonnet::homeserver($msuser,$msdomain) ne 'no_host') {      if (&Apache::lonnet::homeserver($msuser,$msdomain) ne 'no_host') {
                $newscreen.=$msuser.':'.$msdomain.',';                 $newscreen.=$msuser.':'.$msdomain.',';
    } else {     } else {
                $message.='No such user: '.$msuser.':'.$msdomain.'<br>';                 $message.= &mt('No such user: ').'<tt>'.$msuser.':'.$msdomain.'</tt><br>';
            }             }
         }          }
     }      }
Line 464  sub verify_and_change_msgforward { Line 841  sub verify_and_change_msgforward {
     if ($newscreen) {      if ($newscreen) {
         &Apache::lonnet::put('environment',{'msgforward' => $newscreen});          &Apache::lonnet::put('environment',{'msgforward' => $newscreen});
         &Apache::lonnet::appenv('environment.msgforward' => $newscreen);          &Apache::lonnet::appenv('environment.msgforward' => $newscreen);
         $message.='Set new message forwarding to '.$newscreen.'<br />';          $message .= &mt('Set message forwarding to ').'<tt>"'.$newscreen.'"</tt>.'
                       .'<br />';
     } else {      } else {
         &Apache::lonnet::del('environment',['msgforward']);          &Apache::lonnet::del('environment',['msgforward']);
         &Apache::lonnet::delenv('environment\.msgforward');          &Apache::lonnet::delenv('environment\.msgforward');
         $message.='Reset message forwarding<br />';          $message.= &mt("Set message forwarding to 'off'.").'<br />';
       }
       my $critnotification;
       my $notification;
       my $notify_with_html;
       my $lastnotify = $env{'form.numnotify'}-1;
       my $totaladdresses = 0;
       for (my $i=0; $i<$env{'form.numnotify'}; $i++) {
           if ((!defined($env{'form.del_notify_'.$i})) &&  
              ((($i==$lastnotify) && ($env{'form.add_notify_'.$lastnotify} == 1)) ||
               ($i<$lastnotify))) {
               if (defined($env{'form.address_'.$i})) {
                   if ($env{'form.notify_type_'.$i} eq 'all') {
                       $critnotification .= $env{'form.address_'.$i}.',';
                       $notification .= $env{'form.address_'.$i}.',';
                   } elsif ($env{'form.notify_type_'.$i} eq 'crit') {
                       $critnotification .= $env{'form.address_'.$i}.',';
                   } elsif ($env{'form.notify_type_'.$i} eq 'reg') {
                       $notification .= $env{'form.address_'.$i}.','; 
                   }
                   if ($env{'form.html_'.$i} eq '1') {
       $notify_with_html .= $env{'form.address_'.$i}.',';      
                   }
                   $totaladdresses ++;
               }
           }
     }      }
     my $notification=$env{'form.notification'};      $critnotification =~ s/,$//;
       $critnotification=~s/\s//gs;
       $notification =~ s/,$//;
     $notification=~s/\s//gs;      $notification=~s/\s//gs;
       $notify_with_html =~ s/,$//;
       $notify_with_html =~ s/\s//gs;
     if ($notification) {      if ($notification) {
         &Apache::lonnet::put('environment',{'notification' => $notification});          &Apache::lonnet::put('environment',{'notification' => $notification});
         &Apache::lonnet::appenv('environment.notification' => $notification);          &Apache::lonnet::appenv('environment.notification' => $notification);
         $message.='Set message notification address to '.$notification.'<br />';          $message.=&mt('Set non-critical message notification address(es) to ').'<tt>"'.$notification.'"</tt>.<br />';
     } else {      } else {
         &Apache::lonnet::del('environment',['notification']);          &Apache::lonnet::del('environment',['notification']);
         &Apache::lonnet::delenv('environment\.notification');          &Apache::lonnet::delenv('environment\.notification');
         $message.='Reset message notification<br />';          $message.=&mt("Set non-critical message notification to 'off'.").'<br />';
     }      }
     my $critnotification=$env{'form.critnotification'};  
     $critnotification=~s/\s//gs;  
     if ($critnotification) {      if ($critnotification) {
         &Apache::lonnet::put('environment',{'critnotification' => $critnotification});          &Apache::lonnet::put('environment',{'critnotification' => $critnotification});
         &Apache::lonnet::appenv('environment.critnotification' => $critnotification);          &Apache::lonnet::appenv('environment.critnotification' => $critnotification);
         $message.='Set critical message notification address to '.$critnotification;          $message.=&mt('Set critical message notification address(es) to ').'<tt>"'.$critnotification.'"</tt>.<br />';
     } else {      } else {
         &Apache::lonnet::del('environment',['critnotification']);          &Apache::lonnet::del('environment',['critnotification']);
         &Apache::lonnet::delenv('environment\.critnotification');          &Apache::lonnet::delenv('environment\.critnotification');
         $message.='Reset critical message notification<br />';          $message.=&mt("Set critical message notification to 'off'.").'<br />';
     }      }
     $r->print(<<ENDVCMSG);      if ($critnotification || $notification) {
 $message          if ($notify_with_html) {
 ENDVCMSG              &Apache::lonnet::put('environment',{'notifywithhtml' => $notify_with_html});
               &Apache::lonnet::appenv('environment.notifywithhtml' => $notify_with_html);
               $message.=&mt('Set address(es) to receive excerpts with html retained ').'<tt>"'.$notify_with_html.'"</tt>.';
           } else {
               &Apache::lonnet::del('environment',['notifywithhtml']);
               &Apache::lonnet::delenv('environment\.notifywithhtml');
               if ($totaladdresses == 1) {
                   $message.=&mt("Set notification address to receive excerpts with html stripped.");
               } else {
                   $message.=&mt("Set all notification addresses to receive excerpts with html stripped.");
               }
           }
       } else {
           &Apache::lonnet::del('environment',['notifywithhtml']);
           &Apache::lonnet::delenv('environment\.notifywithhtml');
       }
       if ($message) {
           $message .= '<br /><hr />';
       }
       &Apache::loncommon::flush_email_cache($user,$domain);
       &msgforwardchanger($r,$message);
 }  }
   
 ################################################################  ################################################################
Line 504  ENDVCMSG Line 929  ENDVCMSG
 sub colorschanger {  sub colorschanger {
     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 523  sub colorschanger { Line 938  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);
 <script>  <script type="text/javascript">
   
     function pclose() {      function pclose() {
         parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",          parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
Line 549  sub colorschanger { Line 968  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 566  sub colorschanger { Line 985  sub colorschanger {
 <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" />
Line 580  ENDCOL Line 1000  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 $domain=&Apache::loncommon::determinedomain();
     my %colortypes=('pgbg'  => 'Page Background',      my %colortypes=('pgbg'  => 'Page Background',
                     'tabbg' => 'Header Background',                      'tabbg' => 'Header Background',
Line 607  sub verify_and_change_colors { Line 1017  sub verify_and_change_colors {
  if (($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 />';      $message.=&mt('Set '.$colortypes{$item}.' to ').'<tt>"'.$color.'"</tt>.<br />';
  } else {   } else {
     &Apache::lonnet::del('environment',[$entry]);      &Apache::lonnet::del('environment',[$entry]);
     &Apache::lonnet::delenv('environment\.'.$entry);      &Apache::lonnet::delenv('environment\.'.$entry);
     $message.='Reset '.$colortypes{$item}.'<br />';      $message.=&mt('Reset '.$colortypes{$item}.'.').'<br />';
  }   }
     }      }
       my $now = time;
       &Apache::lonnet::put('environment',{'color.timestamp' => $now});
       &Apache::lonnet::appenv('environment.color.timestamp' => $now);
   
     $r->print(<<ENDVCCOL);      $r->print(<<ENDVCCOL);
 $message  $message
 <form name="client" action="/adm/preferences" method="post">  <form name="client" action="/adm/preferences" method="post">
Line 626  ENDVCCOL Line 1040  ENDVCCOL
 #            password handler subroutines            #  #            password handler subroutines            #
 ######################################################  ######################################################
 sub passwordchanger {  sub passwordchanger {
       my ($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 ($currentauth !~ /^(unix|internal):/);
Line 650  sub passwordchanger { Line 1091  sub passwordchanger {
        .$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
     my $html=&Apache::lonxml::xmlbegin();  
     $r->print($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>);
     }      }
       $r->print(&jscript_send($caller));
     $r->print(<<ENDFORM);      $r->print(<<ENDFORM);
   $errormessage
   
   <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 687  sub passwordchanger { Line 1145  sub passwordchanger {
         initkeys();          initkeys();
         this.document.pserver.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);
   |;
       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();          this.document.pserver.submit();
     }      }
   
 </script>  </script>
 $errormessage  |;
   }
 <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 -->  
   
 <form name="pserver" action="/adm/preferences" method="post">  sub client_form {
 <input type="hidden" name="logtoken"    value="$logtoken" />      my ($caller,$hexkey,$currentpass,$defdom) = @_;
 <input type="hidden" name="action"      value="verify_and_change_pass" />      my %lt=&Apache::lonlocal::texthash(
 <input type="hidden" name="currentpass" value="" />                  'email' => 'EMail Address',
 <input type="hidden" name="newpass_1"   value="" />                  'username' => 'Username',
 <input type="hidden" name="newpass_2"   value="" />                  'domain' => 'Domain',
 </form>                  'currentpass' => 'Current Password',
                   'newpass' => 'New Password',
                   'confirmpass' => 'Confirm Password',
                   'changepass' => 'Change Password');
   
       my $output = qq|
 <form name="client" >  <form name="client" >
 <table>  <table>
 <tr><td align="right"> Current password:                      </td>  |;
       if ($caller eq 'reset_by_email') {
           $output .= qq|
   <tr><td class="LC_preferences_labeltext"><label for="email">$lt{'email'}</label>:</td>
       <td><input type="text" name="email" size="30" /> </td></tr>
   <tr><td class="LC_preferences_labeltext"><label for="uname">$lt{'username'}</label>:</td>
       <td>
        <input type="text" name="uname" size="15" />
        <input type="hidden" name="currentpass" value="$currentpass" />
       </td></tr>
   <tr><td class="LC_preferences_labeltext"><label for="udom">$lt{'udom'}</label>:</td>
       <td>
   |;
           $output .= &Apache::loncommon::select_dom_form($defdom,'udom').'
      </td>
   </tr>
   ';
       } else {
           $output .= qq|
   <tr><td class="LC_preferences_labeltext"><label for="currentpass">$lt{'currentpass'}</label></td>
     <td><input type="password" name="currentpass" size="10"/> </td></tr>      <td><input type="password" name="currentpass" size="10"/> </td></tr>
 <tr><td align="right"> New password:                          </td>  |;
       }
       $output .= <<"ENDFORM";
   <tr><td class="LC_preferences_labeltext"><label for="newpass_1">$lt{'newpass'}</label></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 class="LC_preferences_labeltext"><label for="newpass_2">$lt{'confirmpass'}</label></td>
     <td><input type="password" name="newpass_2" size="10"  /> </td></tr>      <td><input type="password" name="newpass_2" size="10"  /> </td></tr>
 <tr><td colspan="2" align="center">  <tr><td colspan="2" align="center">
     <input type="button" value="Change Password" onClick="send();">      <input type="button" value="$lt{'changepass'}" 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<span class='LC_error'>".
                            &mt("Invalid username and/or domain")."</span>\n</p>",
                            $caller,$mailtoken);
                   return 1;
               }
           } else {
               &passwordchanger($r,"<p>\n<span class='LC_error'>".
                                &mt("Username and domain were blank")."</span>\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') {
     my $html=&Apache::lonxml::xmlbegin();              &passwordchanger($r,"<p>\n<span class='LC_error'>".
     $r->print(<<ENDHEADER);                               &mt("Authentication type for this user can not be changed by this mechanism").
 $html                               "</span>\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    = $env{'form.newpass_1'}; 
Line 756  ENDHEADER Line 1293  ENDHEADER
     unless (defined($currentpass) &&       unless (defined($currentpass) && 
     defined($newpass1)    &&       defined($newpass1)    && 
     defined($newpass2)    ){      defined($newpass2)    ){
  &passwordchanger($r,"<p>\n<font color='#ff0000'>ERROR</font>".   &passwordchanger($r,"<p>\n<span class='LC_error'>".
  "Password data was blank.\n</p>");   &mt("One or more password fields were blank").
                            "</span>\n</p>",$caller,$mailtoken);
  return;   return;
     }      }
     # Get the keys      # Get the keys
Line 765  ENDHEADER Line 1303  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.');
           }
           my $unable=&mt("Unable to retrieve saved token for password decryption");
  $r->print(<<ENDERROR);   $r->print(<<ENDERROR);
 <p>  <p>
 <font color="#ff0000">ERROR:</font> Unable to retrieve stored token for  <span class="LC_error">$unable.  $tryagain_text</span>
 password decryption.  Please log out and try again.  
 </p>  </p>
 ENDERROR  ENDERROR
         # Probably should log an error here          # Probably should log an error here
         return;          return 1;
     }      }
     my ($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,
                            '<span class="LC_error">'.
                            &mt('Could not verify current authentication.').'  '.
                            &mt('Please try again.').'</span>',$caller,$mailtoken);
               return 1;
           }
       } 
     if ($newpass1 ne $newpass2) {      if ($newpass1 ne $newpass2) {
  &passwordchanger($r,   &passwordchanger($r,
  '<font color="#ff0000">ERROR:</font>'.   '<span class="LC_error">'.
  'The new passwords you entered do not match.  '.   &mt('The new passwords you entered do not match.').'  '.
  'Please try again.');   &mt('Please try again.').'</span>',$caller,$mailtoken);
  return;   return 1;
     }      }
     if (length($newpass1) < 7) {      if (length($newpass1) < 7) {
  &passwordchanger($r,   &passwordchanger($r,
  '<font color="#ff0000">ERROR:</font>'.   '<span class="LC_error">'.
  'Passwords must be a minimum of 7 characters long.  '.   &mt('Passwords must be a minimum of 7 characters long.').'  '.
  'Please try again.');   &mt('Please try again.').'</span>',$caller,$mailtoken);
  return;   return 1;
     }      }
     #      #
     # Check for bad characters      # Check for bad characters
Line 802  ENDERROR Line 1354  ENDERROR
     }      }
     if ($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 $errormessage ='<span class="LC_error">'.
 <font color="#ff0000">ERROR:</font>             &mt('The password you entered contained illegal characters.').'<br />'.
 The password you entered contained illegal characters.<br />             &mt('Valid characters are').(<<"ENDERROR");
 Valid characters are: space and <br />  : space and <br />
 <pre>  <pre>
 !&quot;\#$%&amp;\'()*+,-./0123456789:;&lt;=&gt;?\@  !&quot;\#$%&amp;\'()*+,-./0123456789:;&lt;=&gt;?\@
 ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~  ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~
 </pre>  </pre></span>
 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");   $r->print("<h3>".&mt('The password for [_1] was successfully changed',$user)."</h3>");
 <h2>The password for $user was successfully changed</h2>  
 ENDTEXT  
     } else {      } else {
  # error error: run in circles, scream and shout   # error error: run in circles, scream and shout
         $r->print(<<ENDERROR);          $r->print("<h3><span class='LC_error'>".&mt("The password for [_1] was not changed",$user)."</span></h3>".
 <h2><font color="#ff0000">The password for $user was not changed</font></h2>                    &mt('Please make sure your old password was entered correctly.'));
 Please make sure your old password was entered correctly.          return 1;
 ENDERROR  
     }      }
     return;      return;
 }  }
Line 895  sub discussionchanger { Line 1446  sub discussionchanger {
     }      }
           
     $r->print(<<"END");      $r->print(<<"END");
 <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_discussion" />  <input type="hidden" name="action" value="verify_and_change_discussion" />
 <br />  <br />
 $lt{'sdpf'}<br/> $lt{'prca'}  <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li></ol>   $lt{'sdpf'}<br /> $lt{'prca'}  <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li></ol> 
 <br />  <br />
 <br />  <br />
 <table border="0" cellpadding="0" cellspacing="0">  END
  <tr>      $r->print(&Apache::loncommon::start_data_table());
   <td width="100%" bgcolor="#000000">      $r->print(<<"END");
    <table width="100%" border="0" cellpadding="1" cellspacing="0">         <tr>
     <tr>          <th>$lt{'pref'}</th>
      <td width="100%" bgcolor="#000000">          <th>$lt{'curr'}</th>
       <table border="0" cellpadding="3" cellspacing="3" bgcolor="#FFFFFF">          <th>$lt{'actn'}?</th>
        <tr bgcolor="$color">  
         <td><b>$lt{'pref'}</b></td>  
         <td><b>$lt{'curr'}</b></td>  
         <td><b>$lt{'actn'}?</b></td>  
        </tr>         </tr>
        <tr bgcolor="#dddddd">  END
       $r->print(&Apache::loncommon::start_data_table_row());
       $r->print(<<"END");
        <td>$lt{'disa'}</td>         <td>$lt{'disa'}</td>
        <td>$lt{$discdisp}</td>         <td>$lt{$discdisp}</td>
        <td><input type="checkbox" name="discdisp" /><input type="hidden" name="newdisp" value="$newdisp" />&nbsp;$lt{'chgt'} "$dispchange"</td>         <td><label><input type="checkbox" name="discdisp" /><input type="hidden" name="newdisp" value="$newdisp" />&nbsp;$lt{'chgt'} "$dispchange"</label></td>
       </tr><tr bgcolor="#eeeeee">  END
       $r->print(&Apache::loncommon::end_data_table_row().
         &Apache::loncommon::start_data_table_row());
       $r->print(<<"END");
        <td>$lt{'npmr'}</td>         <td>$lt{'npmr'}</td>
        <td>$lt{$discmark}</td>         <td>$lt{$discmark}</td>
        <td><input type="checkbox" name="discmark" /><input type="hidden" name="newmark" value="$newmark" />&nbsp;$lt{'chgt'} "$markchange"</td>         <td><label><input type="checkbox" name="discmark" /><input type="hidden" name="newmark" value="$newmark" />&nbsp;$lt{'chgt'} "$markchange"</label></td>
       </tr>        </tr>
      </table>  END
     </td>      $r->print(&Apache::loncommon::end_data_table_row().
    </tr>        &Apache::loncommon::end_data_table());
   </table>      $r->print(<<"END");
  </td>  
 </tr>  
 </table>  
 <br />  <br />
 <br />  <br />
 <input type="submit" name="sub" value="Store Changes" />  <input type="submit" name="sub" value="Save Changes" />
 <br />  <br />
 <br />  <br />
 Note: $lt{'thde'}  Note: $lt{'thde'}
Line 947  sub verify_and_change_discussion { Line 1496  sub verify_and_change_discussion {
     if (defined($env{'form.discdisp'}) ) {      if (defined($env{'form.discdisp'}) ) {
         my $newdisp  = $env{'form.newdisp'};          my $newdisp  = $env{'form.newdisp'};
         if ($newdisp eq 'unread') {          if ($newdisp eq 'unread') {
             $message .='In discussions: only new posts will be displayed.<br/>';              $message .=&mt('In discussions: only new posts will be displayed.').'<br />';
             &Apache::lonnet::put('environment',{'discdisplay' => $newdisp});              &Apache::lonnet::put('environment',{'discdisplay' => $newdisp});
             &Apache::lonnet::appenv('environment.discdisplay' => $newdisp);              &Apache::lonnet::appenv('environment.discdisplay' => $newdisp);
         } else {          } else {
             $message .= 'In discussions: all posts will be displayed.<br/>';              $message .= &mt('In discussions: all posts will be displayed.').'<br />';
             &Apache::lonnet::del('environment',['discdisplay']);              &Apache::lonnet::del('environment',['discdisplay']);
             &Apache::lonnet::delenv('environment\.discdisplay');              &Apache::lonnet::delenv('environment\.discdisplay');
         }          }
Line 959  sub verify_and_change_discussion { Line 1508  sub verify_and_change_discussion {
     if (defined($env{'form.discmark'}) ) {      if (defined($env{'form.discmark'}) ) {
         my $newmark = $env{'form.newmark'};          my $newmark = $env{'form.newmark'};
         if ($newmark eq 'ondisp') {          if ($newmark eq 'ondisp') {
            $message.='In discussions: new posts will be cease to be identified as "new" after display.<br/>';             $message.=&mt('In discussions: new posts will be cease to be identified as "NEW" after display.').'<br />';
             &Apache::lonnet::put('environment',{'discmarkread' => $newmark});              &Apache::lonnet::put('environment',{'discmarkread' => $newmark});
             &Apache::lonnet::appenv('environment.discmarkread' => $newmark);              &Apache::lonnet::appenv('environment.discmarkread' => $newmark);
         } else {          } else {
             $message.='In discussions: posts will be identified as "new" until marked as read by the reader.<br/>';              $message.=&mt('In discussions: posts will be identified as "NEW" until marked as read by the reader.').'<br />';
             &Apache::lonnet::del('environment',['discmarkread']);              &Apache::lonnet::del('environment',['discmarkread']);
             &Apache::lonnet::delenv('environment\.discmarkread');              &Apache::lonnet::delenv('environment\.discmarkread');
         }          }
Line 973  $message Line 1522  $message
 ENDVCSCREEN  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 991  sub handler { Line 1619  sub handler {
     return OK if $r->header_only;      return OK if $r->header_only;
     #      #
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                             ['action','wysiwyg','returnurl']);                                     ['action','wysiwyg','returnurl','refpage']);
     #      #
     &Apache::lonhtmlcommon::clear_breadcrumbs();      &Apache::lonhtmlcommon::clear_breadcrumbs();
     &Apache::lonhtmlcommon::add_breadcrumb      &Apache::lonhtmlcommon::add_breadcrumb
Line 1016  sub handler { Line 1644  sub handler {
                           breadcrumb =>                             breadcrumb => 
                               { href =>'/adm/preferences?action=changepass',                                { href =>'/adm/preferences?action=changepass',
                                 text => 'Change Password'},                                  text => 'Change Password'},
                           printmenu => 'yes',                            printmenu => 'not_on_error',
                           }));                            }));
     }      }
     push (@Options,({ action   => 'changescreenname',      push (@Options,({ action   => 'changescreenname',
Line 1037  sub handler { Line 1665  sub handler {
                       }));                        }));
   
     push (@Options,({ action   => 'changemsgforward',      push (@Options,({ action   => 'changemsgforward',
                       linktext => 'Change Message Forwarding and Notification Addresses',                        linktext => 'Change Message Forwarding and Notification Email Addresses',
                       href     => '/adm/preferences',                        href     => '/adm/preferences',
                       help     => 'Prefs_Forwarding',                        help     => 'Prefs_Forwarding',
                       breadcrumb =>                         breadcrumb => 
Line 1049  sub handler { Line 1677  sub handler {
                       breadcrumb =>                         breadcrumb => 
                           { href => '/adm/preferences?action=changemsgforward',                            { href => '/adm/preferences?action=changemsgforward',
                             text => 'Change Message Forwarding'},                              text => 'Change Message Forwarding'},
                       printmenu => 'yes',                        printmenu => 'no',
                       subroutine => \&verify_and_change_msgforward }));                        subroutine => \&verify_and_change_msgforward }));
     my $aboutmeaction=      my $aboutmeaction=
         '/adm/'.$env{'user.domain'}.'/'.$env{'user.name'}.'/aboutme';          '/adm/'.$env{'user.domain'}.'/'.$env{'user.name'}.'/aboutme';
Line 1121  sub handler { Line 1749  sub handler {
                       printmenu => 'yes',                        printmenu => 'yes',
                       subroutine => \&verify_and_change_discussion, }                        subroutine => \&verify_and_change_discussion, }
                     ));                      ));
                          
       my $role = ($env{'user.adv'} ? 'Roles' : 'Course');
     push (@Options,({ action   => 'changerolespref',      push (@Options,({ action   => 'changerolespref',
                       linktext => 'Change Roles Page Preferences',                        linktext => 'Change '.$role.' Page Preferences',
                       href     => '/adm/preferences',                        href     => '/adm/preferences',
                       subroutine => \&rolesprefchanger,                        subroutine => \&rolesprefchanger,
                       breadcrumb =>                        breadcrumb =>
                           { href => '/adm/preferences?action=changerolespref',                            { href => '/adm/preferences?action=changerolespref',
                             text => 'Change Roles Pref'},                              text => 'Change '.$role.' Page Pref'},
                       },                        },
                     { action   => 'verify_and_change_rolespref',                      { action   => 'verify_and_change_rolespref',
                       subroutine => \&verify_and_change_rolespref,                        subroutine => \&verify_and_change_rolespref,
                       breadcrumb =>                        breadcrumb =>
                           { href => '/adm/preferences?action=changerolespref',                            { href => '/adm/preferences?action=changerolespref',
                             text => 'Change Roles Preferences'},                              text => 'Change '.$role.' Page Preferences'},
                       printmenu => 'yes',                        printmenu => 'yes',
                       }));                        }));
   
Line 1154  sub handler { Line 1783  sub handler {
                       printmenu => 'yes',                        printmenu => 'yes',
                       }));                        }));
   
       if ($env{'environment.remote'} eq 'off') {
    push (@Options,({ action => 'launch',
     linktext => 'Launch Remote Control',
     href => '/adm/remote?url=/adm/preferences',
         }));
       } else {
    push (@Options,({ action => 'collapse',
     linktext => 'Collapse Remote Control',
     href => '/adm/remote?url=/adm/preferences',
         }));
       }
   
     if ($env{'user.name'} =~ /^(albertel|fox|foxr|koretemey|korte|hallmat3|turtle)$/) {      push (@Options,({ action   => 'changeicons',
                         linktext => 'Change How Menus are Displayed',
                         href     => '/adm/preferences',
                         subroutine => \&iconchanger,
                         breadcrumb =>
                             { href => '/adm/preferences?action=changeicons',
                               text => 'Change Main Menu'},
                         },
                       { action   => 'verify_and_change_icons',
                         subroutine => \&verify_and_change_icons,
                         breadcrumb =>
                             { href => '/adm/preferences?action=changeicons',
                               text => 'Change Main Menu'},
                         printmenu => 'yes',
                         }));
   
       push (@Options,({ action   => 'changeclicker',
                         linktext => 'Register Response Devices ("Clickers")',
                         href     => '/adm/preferences',
                         subroutine => \&clickerchanger,
                         breadcrumb =>
                             { href => '/adm/preferences?action=changeicons',
                               text => 'Register Clicker'},
                         },
                       { action   => 'verify_and_change_clicker',
                         subroutine => \&verify_and_change_clicker,
                         breadcrumb =>
                             { href => '/adm/preferences?action=changeclicker',
                               text => 'Register Clicker'},
                         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',          push (@Options,({ action => 'debugtoggle',
                           printmenu => 'yes',                            printmenu => 'yes',
                           subroutine => \&toggle_debug,                            subroutine => \&toggle_debug,
                           }));                            }));
     }      }
     my $html=&Apache::lonxml::xmlbegin();  
     $r->print(<<ENDHEADER);      $r->print(&Apache::loncommon::start_page('Change Preferences'));
 $html  
 <head>  
 <title>LON-CAPA Preferences</title>  
 </head>  
 ENDHEADER  
     my $call = undef;      my $call = undef;
     my $help = undef;      my $help = undef;
     my $printmenu = 'yes';      my $printmenu = 'yes';
Line 1182  ENDHEADER Line 1870  ENDHEADER
     $help=$option->{'help'};      $help=$option->{'help'};
         }          }
     }      }
     $r->print(&Apache::loncommon::bodytag('Change Preferences'));      $r->print(&Apache::lonhtmlcommon::breadcrumbs('Change Preferences',$help));
     $r->print(&Apache::lonhtmlcommon::breadcrumbs      my $error;
               (undef,'Change Preferences',$help));  
     if (defined($call)) {      if (defined($call)) {
         $call->($r);          $error = $call->($r);
     }      }
     if (($printmenu eq 'yes') && (!$env{'form.returnurl'})) {      if ( ( ($printmenu eq 'yes')
      || ($printmenu eq 'not_on_error' && !$error) )
    && (!$env{'form.returnurl'})) {
         my $optionlist = '<table cellpadding="5">';          my $optionlist = '<table cellpadding="5">';
         if ($env{'user.name'} =~           if ($env{'user.name'} =~ 
                          /^(albertel|kortemey|fox|foxr|korte|hallmat3|turtle)$/                           /^(albertel|kortemey|fox|foxr|korte|hallmat3|turtle|raeburn)$/
             ) {              ) {
             push (@Options,({ action => 'debugtoggle',              push (@Options,({ action => 'debugtoggle',
                               linktext => 'Toggle Debug Messages',                                linktext => 'Toggle Debug Messages',
Line 1205  ENDHEADER Line 1894  ENDHEADER
         foreach my $option(@Options) {          foreach my $option(@Options) {
             my $optiontext = '';              my $optiontext = '';
             if (exists($option->{'href'})) {              if (exists($option->{'href'})) {
                 $optiontext .=    $option->{'href_args'}{'action'}=$option->{'action'};
                     '<a href="'.$option->{'href'}.   $optiontext .= 
                     '?action='.$option->{'action'}.'">'.                      '<a href="'.&add_get_param($option->{'href'},
          $option->{'href_args'}).'">'.
                     &mt($option->{'linktext'}).'</a>';                      &mt($option->{'linktext'}).'</a>';
             }              }
             if (exists($option->{'text'})) {              if (exists($option->{'text'})) {
Line 1232  ENDHEADER Line 1922  ENDHEADER
  $r->print('<br /><a href="'.$env{'form.returnurl'}.'"><font size="+1">'.   $r->print('<br /><a href="'.$env{'form.returnurl'}.'"><font size="+1">'.
   &mt('Return').'</font></a>');    &mt('Return').'</font></a>');
     }      }
     $r->print(&Apache::loncommon::endbodytag().'</html>');      $r->print(&Apache::loncommon::end_page());
     return OK;      return OK;
 }  }
   
Removed from v.1.59  
changed lines
  Added in v.1.111

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