loncom/interface/lonpreferences.pm - diff

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Diff for /loncom/interface/lonpreferences.pm between versions 1.41 and 1.124

-version 1.41, 2004/03/26 20:29:35
+version 1.124, 2008/06/10 14:49:07
  Line 33
  package Apache::lonpreferences;
  use strict;
+ use LONCAPA;
  use Apache::Constants qw(:common);
  use Apache::File;
  use Crypt::DES;
- Line 40  use DynaLoader; # for Crypt::DES version
+ Line 41  use DynaLoader; # for Crypt::DES version
  use Apache::loncommon();
  use Apache::lonhtmlcommon();
  use Apache::lonlocal;
+ use Apache::lonnet;
+ use LONCAPA();
  #
  # Write lonnet::passwd to do the call below.
- Line 92  sub des_decrypt {
+ Line 95  sub des_decrypt {
  ################################################################
  #         Language Change Subroutines                          #
  ################################################################
+ sub wysiwygchanger {
+     my $r = shift;
+     my %userenv = &Apache::lonnet::get
+         ('environment',['wysiwygeditor']);
+     my $onselect='checked="checked"';
+     my $offselect='';
+     if ($userenv{'wysiwygeditor'} eq 'on') {
+ 	$onselect='';
+ 	$offselect='checked="checked"';
+     }
+     my $switchoff=&mt('Disable WYSIWYG editor');
+     my $switchon=&mt('Enable WYSIWYG editor');
+     my $warning='';
+     if ($env{'user.adv'}) {
+        $warning.="<p>".&mt("The WYSIWYG editor only supports simple HTML and is in many cases unsuited for advanced authoring. In a number of cases, it may destroy advanced authoring involving LaTeX and script function calls.")."</p>";
+     }
+     $r->print(<<ENDLSCREEN);
+ <form name="prefs" action="/adm/preferences" method="post">
+ <input type="hidden" name="action" value="set_wysiwyg" />
+ $warning
+ <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 $user       = $env{'user.name'};
-     my $domain     = $ENV{'user.domain'};
+     my $domain     = $env{'user.domain'};
      my %userenv = &Apache::lonnet::get
          ('environment',['languages']);
      my $language=$userenv{'languages'};
- Line 111  sub languagechanger {
+ Line 154  sub languagechanger {
      my $selectionbox=&Apache::loncommon::select_form($language,'language',
  						     %langchoices);
      $r->print(<<ENDLSCREEN);
- <form name="server" action="/adm/preferences" method="post">
+ <form name="prefs" action="/adm/preferences" method="post">
  <input type="hidden" name="action" value="verify_and_change_languages" />
  <br />$pref: $selectionbox
  ENDLSCREEN
- Line 121  ENDLSCREEN
+ Line 164  ENDLSCREEN
  sub verify_and_change_languages {
      my $r = shift;
-     my $user       = $ENV{'user.name'};
+     my $user       = $env{'user.name'};
-     my $domain     = $ENV{'user.domain'};
+     my $domain     = $env{'user.domain'};
  # Screenname
-     my $newlanguage  = $ENV{'form.language'};
+     my $newlanguage  = $env{'form.language'};
      $newlanguage=~s/[^\-\w]//g;
      my $message='';
      if ($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 {
          &Apache::lonnet::del('environment',['languages']);
          &Apache::lonnet::delenv('environment\.languages');
-         $message='Reset preferred language';
+         $message=&mt('Reset preferred language.');
      }
      $r->print(<<ENDVCSCREEN);
+ $message
+ ENDVCSCREEN
+ }
+ ################################################################
+ #         Tex Engine Change Subroutines                        #
+ ################################################################
+ sub texenginechanger {
+     my $r = shift;
+     my $user       = $env{'user.name'};
+     my $domain     = $env{'user.domain'};
+     my %userenv = &Apache::lonnet::get('environment',['texengine']);
+     my $texengine=$userenv{'texengine'};
+     my %mathchoices=('' => 'Default',
+ 		     'tth' => 'tth (TeX to HTML)',
+ 		     #'ttm' => 'TeX to MathML',
+ 		     'jsMath' => 'jsMath',
+ 		     'mimetex' => 'mimetex (Convert to Images)'
+                      );
+     my $selectionbox=&Apache::loncommon::select_form($texengine,'texengine',
+ 						     %mathchoices);
+     my $jsMath_start=&Apache::lontexconvert::jsMath_header();
+     my %lt=&Apache::lonlocal::texthash(
+       'headline' => 'Change Math Preferences',
+       'preftxt'  => 'Preferred method to display Math',
+       'change'   => 'Change',
+       'exmpl'    => 'Examples',
+       'jsmath'   => 'jsMath:',
+       'tth'      => 'tth (TeX to HTML):',
+       'mimetex'  => 'mimetex (Convert to Images):',
+     );
+     $r->print(<<ENDLSCREEN);
+ <h2>$lt{'headline'}</h2>
+ <form name="prefs" action="/adm/preferences" method="post">
+ <input type="hidden" name="action" value="verify_and_change_texengine" />
+ <p>
+ $lt{'preftxt'}:<br />
+ $selectionbox <input type="submit" value="$lt{'change'}" />
+ </p>
+ </form>
+ <br />
+ <hr />
+ $lt{'exmpl'}
+ <h3>$lt{'jsmath'}</h3>
+ <p>
+ $jsMath_start
+ <script type="text/javascript">
+ if (jsMath.nofonts == 1) {
+     document.writeln
+         ('<div style="padding: 10; border-style: solid; border-width:3;'
+ 	 +' border-color: #DD0000; background-color: #FFF8F8; width: 75%; text-align: left">'
+ 	 +'<small><font color="#AA0000"><b>Warning:</b> '
+ 	 +'It looks like you don\\\'t have the TeX math fonts installed. '
+ 	 +'The jsMath example on this page may not look right without them. '
+ 	 +'The <a href="http://www.math.union.edu/locate/jsMath/" target="_blank"> '
+ 	 +'jsMath Home Page</a> has information on how to download the '
+ 	 +'needed fonts.  In the meantime, jsMath will do the best it can '
+ 	 +'with the fonts you have, but it may not be pretty and some equations '
+ 	 +'may not be rendered correctly. '
+ 	 +'</font></small></div>');
+ }
+ </script>
+ <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=jsMath" width="400" height="120"></iframe>
+ </p>
+ <h3>$lt{'mimetex'}</h3>
+ <p>
+ <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=mimetex" width="400" height="100"></iframe>
+ </p>
+ <h3>$lt{'tth'}</h3>
+ <p>
+ <iframe src="/res/adm/pages/math_example.tex?inhibitmenu=yes&texengine=tth" width="400" height="200"></iframe>
  </p>
+ ENDLSCREEN
+     if ($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});
+         $message=&mt('Set new preferred math display to ').'<tt>"'.$newtexengine.'"</tt>.';
+     } else {
+         &Apache::lonnet::del('environment',['texengine']);
+         &Apache::lonnet::delenv('environment\.texengine');
+         $message=&mt('Reset preferred math display.');
+     }
+     $r->print(<<ENDVCSCREEN);
  $message
  ENDVCSCREEN
  }
+ ################################################################
+ #         Roles Page Preference Change Subroutines         #
+ ################################################################
+ sub rolesprefchanger {
+     my $r = shift;
+     my $role    = ($env{'user.adv'} ? 'Role' : 'Course');
+     my $lc_role = ($env{'user.adv'} ? 'role' : 'course');
+     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";
+     }
+     $r->print('
+ <p>'.&mt('Some LON-CAPA users have a long list of '.$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" />
+ <br /><label>'.&mt('Enable Recent '.$role.'s Hotlist:').'
+ <input type="checkbox" '.$checked.' name="recentroles" value="true" /></label>
+ <br />'.&mt('Number of '.$role.'s in Hotlist:').'
+ <select name="recentrolesn" size="1">
+ '.$options.'
+ </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 />
+ <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 $role = ($env{'user.adv'} ? 'Role' : 'Course');
+     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});
+         $message=&mt('Recent '.$role.'s Hotlist is Enabled');
+     } else {
+         &Apache::lonnet::del('environment',['recentroles']);
+         &Apache::lonnet::delenv('environment\.recentroles');
+         $message=&mt('Recent '.$role.'s Hotlist is Disabled');
+     }
+     if ($hotlist_n) {
+         &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n});
+         &Apache::lonnet::appenv({'environment.recentrolesn' => $hotlist_n});
+         if ($hotlist_flag) {
+             $message.="<br />".
+ 		&mt('Display [_1] Most Recent '.$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);
+ $message
+ ENDRPSCREEN
+ }
  ################################################################
  #         Anonymous Discussion Name Change Subroutines         #
  ################################################################
  sub screennamechanger {
      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',['screenname','nickname']);
      my $screenname=$userenv{'screenname'};
      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',
+                                         );
      $r->print(<<ENDSCREEN);
- <form name="server" action="/adm/preferences" method="post">
+ <form name="prefs" action="/adm/preferences" method="post">
  <input type="hidden" name="action" value="verify_and_change_screenname" />
- <br />New screenname (shown if you post anonymously):
+ <br />$lt{'text_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="$nickname" name="nickname" />
- <input type="submit" value="Change" />
+ <br />
+ <input type="submit" value="$lt{'text_submit'}" />
  </form>
  ENDSCREEN
  }
  sub verify_and_change_screenname {
      my $r = shift;
-     my $user       = $ENV{'user.name'};
+     my $user       = $env{'user.name'};
-     my $domain     = $ENV{'user.domain'};
+     my $domain     = $env{'user.domain'};
  # Screenname
-     my $newscreen  = $ENV{'form.screenname'};
+     my $newscreen  = $env{'form.screenname'};
      $newscreen=~s/[^ \w]//g;
      my $message='';
      if ($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 {
          &Apache::lonnet::del('environment',['screenname']);
          &Apache::lonnet::delenv('environment\.screenname');
-         $message='Reset screenname';
+         $message=&mt('Reset screenname.');
      }
  # Nickname
      $message.='<br />';
-     $newscreen  = $ENV{'form.nickname'};
+     $newscreen  = $env{'form.nickname'};
      $newscreen=~s/[^ \w]//g;
      if ($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 {
          &Apache::lonnet::del('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);
- </p>
  $message
  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',&mt('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));
+ }
+ ################################################################
+ #               Domcoord Access Subroutines                    #
+ ################################################################
+ sub domcoordchanger {
+     my $r = shift;
+     my $user       = $env{'user.name'};
+     my $domain     = $env{'user.domain'};
+     my %userenv = &Apache::lonnet::get
+         ('environment',['domcoord.author']);
+     my $constchecked='';
+     if ($userenv{'domcoord.author'} eq 'blocked') {
+        $constchecked='checked="checked"';
+     }
+     my $text=&mt('By default, the Domain Coordinator can enter your construction space.');
+     my $construction=&mt('Block access to construction space');
+     my $change=&mt('Change');
+     $r->print(<<ENDSCREEN);
+ <form name="prefs" action="/adm/preferences" method="post">
+ <input type="hidden" name="action" value="verify_and_change_domcoord" />
+ $text<br />
+ <label><input type="checkbox" name="construction" $constchecked />$construction</label><br />
+ <input type="submit" value="$change" />
+ </form>
+ ENDSCREEN
+ }
+ sub verify_and_change_domcoord {
+     my $r = shift;
+     my $user       = $env{'user.name'};
+     my $domain     = $env{'user.domain'};
+     my %domcoord=('domcoord.author' => '');
+     if ($env{'form.construction'}) { $domcoord{'domcoord.author'}='blocked'; }
+     &Apache::lonnet::put('environment',\%domcoord);
+     &Apache::lonnet::appenv({'environment.domcoord.author' => $domcoord{'domcoord.author'}});
+     $r->print(&mt('Registering Domain Coordinator access restrictions.'));
+ }
+ #################################################################
+ ##                      Lock Subroutines                        #
+ #################################################################
+ sub lockwarning {
+     my $r = shift;
+     my $title=&mt('Action locked');
+     my $texttop=&mt('LON-CAPA is currently performing the following actions:');
+     my $textbottom=&mt('Changing roles or logging out may result in data corruption.');
+     my ($num,%which)=&Apache::lonnet::get_locks();
+     my $which='';
+     foreach my $id (keys %which) {
+        $which.='<li>'.$which{$id}.'</li>';
+     }
+     my $change=&mt('Override');
+     $r->print(<<ENDSCREEN);
+ <form name="prefs" action="/adm/preferences" method="post">
+ <input type="hidden" name="action" value="verify_and_change_locks" />
+ <h1>$title</h1>
+ $texttop
+ <ul>
+ $which
+ </ul>
+ $textbottom
+ <input type="submit" value="$change" />
+ </form>
+ ENDSCREEN
+ }
+ sub verify_and_change_lockwarning {
+     my $r = shift;
+     &Apache::lonnet::remove_all_locks();
+     $r->print(&mt('Cleared locks.'));
+ }
+ ################################################################
  #         Message Forward                                      #
  ################################################################
  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 $notification=$userenv{'notification'};
+     my %lt = &Apache::lonlocal::texthash(
-     my $critnotification=$userenv{'critnotification'};
+                                           all   => 'All',
-     my $forwardingHelp = Apache::loncommon::help_open_topic("Prefs_Forwarding",
+                                           crit  => 'Critical only',
- 							    "What are forwarding ".
+                                           reg   => 'Non-critical only',
- 							    "and notification ".
+                                           foad  => 'Forwarding Address(es)',
- 							    "addresses");
+                                           noti  => 'Notification E-mail Address(es)',
-     my $criticalMessageHelp = Apache::loncommon::help_open_topic("Course_Critical_Message",
+                                           foad_exmpl => 'e.g. <tt>userA:domain1,userB:domain2,...</tt>',
- 								 "What are critical messages");
+                                           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 $notificationHelp = &Apache::loncommon::help_open_topic("Prefs_Notification");
+     my $criticalMessageHelp = &Apache::loncommon::help_open_topic("Course_Critical_Message");
+     my @allow_html = split(/,/,$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);
- $forwardingHelp <br />
+ $jscript
- <form name="server" action="/adm/preferences" method="post">
+ $message
+ <h3>$lt{'foad'} $forwardingHelp</h3>
+ <form name="prefs" action="/adm/preferences" method="post">
  <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" /><br />
- New Message Notification Email Address(es) (<tt>joe\@doe.com,jane\@doe.edu,...</tt>):
+ <h3>$lt{'noti'} $notificationHelp</h3>
- <input type="text" size="40" value="$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
+     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 for which notification is sent').
+                  $criticalMessageHelp.'</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);
+     $r->print(qq|
+ <br /><hr />
+ <input type="hidden" name="numnotify" value="$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 {
      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 $message='';
-     foreach (split(/\,/,$ENV{'form.msgforward'})) {
+     foreach (split(/\,/,$env{'form.msgforward'})) {
  	my ($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 (&Apache::lonnet::homeserver($msuser,$msdomain) ne 'no_host') {
                 $newscreen.=$msuser.':'.$msdomain.',';
  	   } else {
-                $message.='No such user: '.$msuser.':'.$msdomain.'<br>';
+                $message.= &mt('No such user: ').'<tt>'.$msuser.':'.$msdomain.'</tt><br>';
             }
          }
      }
      $newscreen=~s/\,$//;
      if ($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 {
          &Apache::lonnet::del('environment',['msgforward']);
          &Apache::lonnet::delenv('environment\.msgforward');
-         $message.='Reset message forwarding<br />';
+         $message.= &mt("Set message forwarding to 'off'.").'<br />';
      }
-     my $notification=$ENV{'form.notification'};
+     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 ++;
+             }
+         }
+     }
+     $critnotification =~ s/,$//;
+     $critnotification=~s/\s//gs;
+     $notification =~ s/,$//;
      $notification=~s/\s//gs;
+     $notify_with_html =~ s/,$//;
+     $notify_with_html =~ s/\s//gs;
      if ($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 {
          &Apache::lonnet::del('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) {
          &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 {
          &Apache::lonnet::del('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 || $notification) {
- </p>
+         if ($notify_with_html) {
- $message
+             &Apache::lonnet::put('environment',{'notifywithhtml' => $notify_with_html});
- ENDVCMSG
+             &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 300  ENDVCMSG
+ Line 1024  ENDVCMSG
  sub colorschanger {
      my $r = shift;
  # 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 %colortypes=('pgbg'  => 'Page Background',
                      'tabbg' => 'Header Background',
- Line 319  sub colorschanger {
+ Line 1033  sub colorschanger {
                      'link'  => 'Un-Visited Link',
                      'vlink' => 'Visited Link',
                      'alink' => 'Active Link');
+     my $start_data_table = &Apache::loncommon::start_data_table();
      my $chtable='';
      foreach my $item (sort(keys(%colortypes))) {
         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="'.$item.
          '" size="10" value="'.$curcol.
  '" /></td><td><a href="javascript:pjump('."'color_custom','".$colortypes{$item}.
  "','".$curcol."','"
- 	    .$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();
      $r->print(<<ENDCOL);
- <script>
+ <script type="text/javascript">
      function pclose() {
          parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
- Line 345  sub colorschanger {
+ Line 1063  sub colorschanger {
          pclose();
          if (document.parmform.pres_marker.value!='') {
              if (document.parmform.pres_type.value!='') {
-                 eval('document.server.'+
+                 eval('document.prefs.'+
                       document.parmform.pres_marker.value+
  		     '.value=document.parmform.pres_value.value;');
  	    }
- Line 362  sub colorschanger {
+ Line 1080  sub colorschanger {
  <input type="hidden" name="pres_type" />
  <input type="hidden" name="pres_value" />
  </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" />
- <table border="2">
+ $start_data_table
  $chtable
+ $end_data_table
  </table>
  <input type="submit" value="Change Custom Colors" />
  <input type="submit" name="resetall" value="Reset All Colors to Default" />
- Line 376  ENDCOL
+ Line 1095  ENDCOL
  sub verify_and_change_colors {
      my $r = shift;
  # 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 %colortypes=('pgbg'  => 'Page Background',
                      'tabbg' => 'Header Background',
- Line 398  sub verify_and_change_colors {
+ Line 1107  sub verify_and_change_colors {
      my $message='';
      foreach my $item (keys %colortypes) {
-         my $color=$ENV{'form.'.$item};
+         my $color=$env{'form.'.$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 => $color});
- 	    &Apache::lonnet::appenv('environment.'.$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 {
  	    &Apache::lonnet::del('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);
- </p>
  $message
  <form name="client" action="/adm/preferences" method="post">
  <input type="hidden" name="action" value="changecolors" />
- Line 423  ENDVCCOL
+ Line 1135  ENDVCCOL
  #            password handler subroutines            #
  ######################################################
  sub passwordchanger {
+     my ($r,$errormessage,$caller,$mailtoken) = @_;
      # This function is a bit of a mess....
      # Passwords are encrypted using londes.js (DES encryption)
-     my $r = shift;
-     my $errormessage = shift;
      $errormessage = ($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,$domain);
      # Check for authentication types that allow changing of the password.
      return if ($currentauth !~ /^(unix|internal):/);
- Line 447  sub passwordchanger {
+ Line 1186  sub passwordchanger {
  				       .$ukey_npass2 . $lkey_npass2,
  				       $lonhost);
      # 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 DES javascript
-     $r->print("<html><head>");
      {
  	my $include = $r->dir_config('lonIncludes');
  	my $jsh=Apache::File->new($include."/londes.js");
  	$r->print(<$jsh>);
      }
+     $r->print(&jscript_send($caller));
      $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 $output = qq|
  <script language="JavaScript">
      function send() {
- Line 469  sub passwordchanger {
+ Line 1226  sub passwordchanger {
          lextkey=this.document.client.elements.lkey_cpass.value;
          initkeys();
-         this.document.server.elements.currentpass.value
+         this.document.pserver.elements.currentpass.value
              =crypted(this.document.client.elements.currentpass.value);
          uextkey=this.document.client.elements.ukey_npass1.value;
          lextkey=this.document.client.elements.lkey_npass1.value;
          initkeys();
-         this.document.server.elements.newpass_1.value
+         this.document.pserver.elements.newpass_1.value
              =crypted(this.document.client.elements.newpass_1.value);
          uextkey=this.document.client.elements.ukey_npass2.value;
          lextkey=this.document.client.elements.lkey_npass2.value;
          initkeys();
-         this.document.server.elements.newpass_2.value
+         this.document.pserver.elements.newpass_2.value
              =crypted(this.document.client.elements.newpass_2.value);
+ |;
-         this.document.server.submit();
+     if ($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>
- $errormessage
+ |;
+ }
- <p>
+ sub client_form {
- <!-- We separate the forms into 'server' and 'client' in order to
+     my ($caller,$hexkey,$currentpass,$defdom) = @_;
-      ensure that unencrypted passwords will not be sent out by a
+     my %lt=&Apache::lonlocal::texthash(
-      crappy browser -->
+                 'email' => 'E-mail Address',
+                 'username' => 'Username',
- <form name="server" action="/adm/preferences" method="post">
+                 'domain' => 'Domain',
- <input type="hidden" name="logtoken"    value="$logtoken" />
+                 'currentpass' => 'Current Password',
- <input type="hidden" name="action"      value="verify_and_change_pass" />
+                 'newpass' => 'New Password',
- <input type="hidden" name="currentpass" value="" />
+                 'confirmpass' => 'Confirm Password',
- <input type="hidden" name="newpass_1"   value="" />
+                 'changepass' => 'Change Password');
- <input type="hidden" name="newpass_2"   value="" />
- </form>
+     my $output = qq|
  <form name="client" >
  <table>
- <tr><td align="right"> Current password:                      </td>
+ |;
+     if ($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{'domain'}</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>
- <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>
- <tr><td align="right"> Confirm password:                      </td>
+ <tr><td class="LC_preferences_labeltext"><label for="newpass_2">$lt{'confirmpass'}</label></td>
      <td><input type="password" name="newpass_2" size="10"  /> </td></tr>
  <tr><td colspan="2" align="center">
-     <input type="button" value="Change Password" onClick="send();">
+     <input type="button" value="$lt{'changepass'}" onClick="send();">
  </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>
  </p>
  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 {
-     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,$domain);
      # Check for authentication types that allow changing of the password.
-     return if ($currentauth !~ /^(unix|internal):/);
+     if ($currentauth !~ /^(unix|internal):/) {
-     #
+         if ($caller eq 'reset_by_email') {
-     $r->print(<<ENDHEADER);
+             &passwordchanger($r,"<p>\n<span class='LC_error'>".
- <html>
+                              &mt("Authentication type for this user can not be changed by this mechanism").
- <head>
+                              "</span>\n</p>",
- <title>LON-CAPA Preferences:  Change password for $user</title>
+                               $caller,$mailtoken);
- </head>
+             return 1;
- ENDHEADER
+         } else {
+             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    = $env{'form.logtoken'};
      # Check for empty data
      unless (defined($currentpass) &&
  	    defined($newpass1)    &&
  	    defined($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;
      }
      # Get the keys
- Line 560  ENDHEADER
+ Line 1398  ENDHEADER
      my $tmpinfo = Apache::lonnet::reply('tmpget:'.$logtoken,$lonhost);
      if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) {
          # 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");
  	$r->print(<<ENDERROR);
  <p>
- <font color="#ff0000">ERROR:</font> Unable to retrieve stored token for
+ <span class="LC_error">$unable.  $tryagain_text</span>
- password decryption.  Please log out and try again.
  </p>
  ENDERROR
          # Probably should log an error here
-         return;
+         return 1;
      }
      my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo);
      #
      $currentpass = &des_decrypt($ckey ,$currentpass);
      $newpass1    = &des_decrypt($n1key,$newpass1);
      $newpass2    = &des_decrypt($n2key,$newpass2);
      #
+     if ($caller eq 'reset_by_email') {
+         my %data = &Apache::lonnet::tmpget($mailtoken);
+         if (keys(%data) == 0) {
+             &passwordchanger($r,
+                          '<span class="LC_error">'.
+                          &mt('Could not verify current authentication.').'  '.
+                          &mt('Please try again.').'</span>',$caller,$mailtoken);
+             return 1;
+         }
+         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 $newpass2) {
  	&passwordchanger($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($newpass1) < 7) {
  	&passwordchanger($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
- Line 597  ENDERROR
+ Line 1456  ENDERROR
      }
      if ($badpassword) {
  	# I can't figure out how to enter bad characters on my browser.
- 	&passwordchanger($r,<<ENDERROR);
+ 	my $errormessage ='<span class="LC_error">'.
- <font color="#ff0000">ERROR:</font>
+            &mt('The password you entered contained illegal characters.').'<br />'.
- The password you entered contained illegal characters.<br />
+            &mt('Valid characters are').(<<"ENDERROR");
- Valid characters are: space and <br />
+ : space and <br />
  <pre>
  !&quot;\#$%&amp;\'()*+,-./0123456789:;&lt;=&gt;?\@
  ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~
- </pre>
+ </pre></span>
  ENDERROR
+         &passwordchanger($r,$errormessage,$caller,$mailtoken);
+         return 1;
      }
      #
      # Change the password (finally)
      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
      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 {
  	# 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;
  }
+ ################################################################
+ #            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="Save 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 .=&mt('In discussions: only new posts will be displayed.').'<br />';
+             &Apache::lonnet::put('environment',{'discdisplay' => $newdisp});
+             &Apache::lonnet::appenv({'environment.discdisplay' => $newdisp});
+         } else {
+             $message .= &mt('In discussions: all posts will be displayed.').'<br />';
+             &Apache::lonnet::del('environment',['discdisplay']);
+             &Apache::lonnet::delenv('environment\.discdisplay');
+         }
+     }
+     if (defined($env{'form.discmark'}) ) {
+         my $newmark = $env{'form.newmark'};
+         if ($newmark eq 'ondisp') {
+            $message.=&mt('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.=&mt('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               #
  ######################################################
- Line 635  ENDERROR
+ Line 1712  ENDERROR
  ################################################################
  sub handler {
      my $r = shift;
-     my $user = $ENV{'user.name'};
+     my $user = $env{'user.name'};
-     my $domain = $ENV{'user.domain'};
+     my $domain = $env{'user.domain'};
      &Apache::loncommon::content_type($r,'text/html');
      # Some pages contain DES keys and should not be cached.
      &Apache::loncommon::no_cache($r);
- Line 644  sub handler {
+ Line 1721  sub handler {
      return OK if $r->header_only;
      #
      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
-                                             ['action']);
+                                    ['action','wysiwyg','returnurl','refpage']);
      #
      &Apache::lonhtmlcommon::clear_breadcrumbs();
      &Apache::lonhtmlcommon::add_breadcrumb
- Line 669  sub handler {
+ Line 1746  sub handler {
                            breadcrumb =>
                                { href =>'/adm/preferences?action=changepass',
                                  text => 'Change Password'},
-                           printmenu => 'yes',
+                           printmenu => 'not_on_error',
                            }));
      }
      push (@Options,({ action   => 'changescreenname',
- Line 690  sub handler {
+ Line 1767  sub handler {
                        }));
      push (@Options,({ action   => 'changemsgforward',
-                       linktext => 'Change Message Forwarding',
+                       linktext => 'Change Message Forwarding and Notification Email Addresses',
-                       text     => 'and Notification Addresses',
                        href     => '/adm/preferences',
-                       help     => 'Prefs_Forwarding',
+                       help     => 'Prefs_Messages',
                        breadcrumb =>
                            { href => '/adm/preferences?action=changemsgforward',
-                             text => 'Change Message Forwarding'},
+                             text => 'Change Message Forwarding/Notification'},
                        subroutine => \&msgforwardchanger,
                        },
                      { action => 'verify_and_change_msgforward',
+                       help   => 'Prefs_Messages',
                        breadcrumb =>
                            { href => '/adm/preferences?action=changemsgforward',
-                             text => 'Change Message Forwarding'},
+                             text => 'Change Message Forwarding/Notification'},
-                       printmenu => 'yes',
+                       printmenu => 'no',
                        subroutine => \&verify_and_change_msgforward }));
      my $aboutmeaction=
-         '/adm/'.$ENV{'user.domain'}.'/'.$ENV{'user.name'}.'/aboutme';
+         '/adm/'.$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 => $aboutmeaction});
      push (@Options,({ action => 'changecolors',
                        linktext => 'Change Color Scheme',
- Line 730  sub handler {
+ Line 1808  sub handler {
      push (@Options,({ action => 'changelanguages',
                        linktext => 'Change Language Preferences',
                        href => '/adm/preferences',
+ 		      help => 'Prefs_Language',
                        breadcrumb=>
                            { href => '/adm/preferences?action=changelanguages',
                              text => 'Change Language'},
- Line 742  sub handler {
+ Line 1821  sub handler {
                        printmenu => 'yes',
                        subroutine=>\&verify_and_change_languages, }
                      ));
-     if ($ENV{'user.name'} =~ /^(albertel|koretemey|korte|hallmat3|turtle)$/) {
+     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, }
+                     ));
+     my $role = ($env{'user.adv'} ? 'Roles' : 'Course');
+     push (@Options,({ action   => 'changerolespref',
+                       linktext => 'Change '.$role.' Page Preferences',
+                       href     => '/adm/preferences',
+                       subroutine => \&rolesprefchanger,
+                       breadcrumb =>
+                           { href => '/adm/preferences?action=changerolespref',
+                             text => 'Change '.$role.' Page Pref'},
+                       },
+                     { action   => 'verify_and_change_rolespref',
+                       subroutine => \&verify_and_change_rolespref,
+                       breadcrumb =>
+                           { href => '/adm/preferences?action=changerolespref',
+                             text => 'Change '.$role.' Page Preferences'},
+                       printmenu => 'yes',
+                       }));
+     push (@Options,({ action   => 'changetexenginepref',
+                       linktext => 'Change How Math Equations Are Displayed',
+                       href     => '/adm/preferences',
+                       subroutine => \&texenginechanger,
+                       breadcrumb =>
+                           { href => '/adm/preferences?action=changetexenginepref',
+                             text => 'Change Math Pref'},
+                       },
+                     { action   => 'verify_and_change_texengine',
+                       subroutine => \&verify_and_change_texengine,
+                       breadcrumb =>
+                           { href => '/adm/preferences?action=changetexenginepref',
+                             text => 'Change Math Preferences'},
+                       printmenu => 'yes',
+                       }));
+     if ($env{'environment.remote'} eq 'off') {
+ 	push (@Options,({ action => 'launch',
+ 			  linktext => 'Launch Remote Control',
+ 			  href => '/adm/remote?url=/adm/preferences',
+ 		      }));
+     } else {
+ 	push (@Options,({ action => 'collapse',
+ 			  linktext => 'Collapse Remote Control',
+ 			  href => '/adm/remote?url=/adm/preferences',
+ 		      }));
+     }
+     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=changeclicker',
+                             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 ($env{'user.adv'}) {
+       push (@Options,({ action   => 'changedomcoord',
+                         linktext => 'Restrict Domain Coordinator Access',
+                         href     => '/adm/preferences',
+                         subroutine => \&domcoordchanger,
+                         breadcrumb =>
+                             { href => '/adm/preferences?action=changedomcoord',
+                               text => 'Restrict Domain Coordinator Access'},
+                       },
+                       { action   => 'verify_and_change_domcoord',
+                         subroutine => \&verify_and_change_domcoord,
+                         breadcrumb =>
+                             { href => '/adm/preferences?action=changedomcoord',
+                               text => 'Restrict Domain Coordinator Access'},
+                         printmenu => 'yes',
+                       }));
+     }
+     push (@Options,({ action   => 'lockwarning',
+                       subroutine => \&lockwarning,
+                       breadcrumb =>
+                           { href => '/adm/preferences?action=lockwarning',
+                             text => 'Lock Warnings'},
+                       },
+                     { action   => 'verify_and_change_locks',
+                       subroutine => \&verify_and_change_lockwarning,
+                       breadcrumb =>
+                           { href => '/adm/preferences?action=lockwarning',
+                             text => 'Lockwarnings'},
+                       printmenu => 'yes',
+                       }));
+     if (&Apache::lonnet::allowed('whn',$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 ($env{'user.name'} =~ /^(albertel|fox|foxr|kortemey|korte|raeburn)$/) {
          push (@Options,({ action => 'debugtoggle',
                            printmenu => 'yes',
                            subroutine => \&toggle_debug,
                            }));
      }
-     $r->print(<<ENDHEADER);
- <html>
+     $r->print(&Apache::loncommon::start_page('Change Preferences'));
- <head>
- <title>LON-CAPA Preferences</title>
- </head>
- ENDHEADER
      my $call = undef;
+     my $help = undef;
      my $printmenu = 'yes';
      foreach my $option (@Options) {
-         if ($option->{'action'} eq $ENV{'form.action'}) {
+         if ($option->{'action'} eq $env{'form.action'}) {
              $call = $option->{'subroutine'};
              $printmenu = $option->{'printmenu'};
              if (exists($option->{'breadcrumb'})) {
                  &Apache::lonhtmlcommon::add_breadcrumb
                      ($option->{'breadcrumb'});
              }
+ 	    $help=$option->{'help'};
          }
      }
-     $r->print(&Apache::loncommon::bodytag('Change Preferences'));
+     $r->print(&Apache::lonhtmlcommon::breadcrumbs('Change Preferences',$help));
-     $r->print(&Apache::lonhtmlcommon::breadcrumbs
+     my $error;
-               (undef,'Change Preferences'));
      if (defined($call)) {
-         $call->($r);
+         $error = $call->($r);
      }
-     if ($printmenu eq 'yes') {
+     if ( ( ($printmenu eq 'yes')
+ 	   || ($printmenu eq 'not_on_error' && !$error) )
+ 	 && (!$env{'form.returnurl'})) {
          my $optionlist = '<table cellpadding="5">';
-         if ($ENV{'user.name'} =~
+         if ($env{'user.name'} =~
-                          /^(albertel|kortemey|korte|hallmat3|turtle)$/
+                          /^(albertel|kortemey|fox|foxr|korte|hallmat3|turtle|raeburn)$/
              ) {
              push (@Options,({ action => 'debugtoggle',
                                linktext => 'Toggle Debug Messages',
                                text => 'Current Debug status is -'.
-                                   $ENV{'user.debug'}.'-.',
+                                   $env{'user.debug'}.'-.',
                                href => '/adm/preferences',
                                printmenu => 'yes',
                                subroutine => \&toggle_debug,
- Line 789  ENDHEADER
+ Line 2028  ENDHEADER
          foreach my $option(@Options) {
              my $optiontext = '';
              if (exists($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->{'linktext'}.'</a>';
+ 					       $option->{'href_args'}).'">'.
+                     &mt($option->{'linktext'}).'</a>';
              }
              if (exists($option->{'text'})) {
-                 $optiontext .= ' '.$option->{'text'};
+                 $optiontext .= ' '.&mt($option->{'text'});
              }
              if ($optiontext ne '') {
                  $optiontext = '<font size="+1">'.$optiontext.'</font>';
- Line 812  ENDHEADER
+ Line 2052  ENDHEADER
          }
          $optionlist .= '</table>';
          $r->print($optionlist);
+     } elsif ($env{'form.returnurl'}) {
+ 	$r->print('<br /><a href="'.$env{'form.returnurl'}.'"><font size="+1">'.
+ 		  &mt('Return').'</font></a>');
      }
-     $r->print(<<ENDFOOTER);
+     $r->print(&Apache::loncommon::end_page());
- </body>
- </html>
- ENDFOOTER
      return OK;
  }
  sub toggle_debug {
-     if ($ENV{'user.debug'}) {
+     if ($env{'user.debug'}) {
          &Apache::lonnet::delenv('user\.debug');
      } else {
-         &Apache::lonnet::appenv('user.debug' => 1);
+         &Apache::lonnet::appenv({'user.debug' => 1});
      }
  }

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.41
changed lines
	Added in v.1.124