--- loncom/interface/lonpreferences.pm 2001/12/19 17:17:46 1.2 +++ loncom/interface/lonpreferences.pm 2006/06/26 18:56:50 1.93 @@ -1,7 +1,7 @@ # The LearningOnline Network # Preferences # -# $Id: lonpreferences.pm,v 1.2 2001/12/19 17:17:46 albertel Exp $ +# $Id: lonpreferences.pm,v 1.93 2006/06/26 18:56:50 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,41 +25,1412 @@ # # http://www.lon-capa.org/ # -# (Internal Server Error Handler -# -# (Login Screen -# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14, -# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer) -# -# 3/1/1 Gerd Kortemeyer) -# -# 3/1 Gerd Kortemeyer +# This package uses the "londes.js" javascript code. # +# TODOs that have to be completed: +# interface with lonnet to change the password + package Apache::lonpreferences; use strict; +use LONCAPA; use Apache::Constants qw(:common); +use Apache::File; +use Crypt::DES; +use DynaLoader; # for Crypt::DES version +use Apache::loncommon(); +use Apache::lonhtmlcommon(); +use Apache::lonlocal; +use Apache::lonnet; + +# +# Write lonnet::passwd to do the call below. +# Use: +# my $answer=reply("encrypt:passwd:$udom:$uname:$upass",$tryserver); +# +################################################## +# password associated functions # +################################################## +sub des_keys { + # Make a new key for DES encryption. + # Each key has two parts which are returned separately. + # Please note: Each key must be passed through the &hex function + # before it is output to the web browser. The hex versions cannot + # be used to decrypt. + my @hexstr=('0','1','2','3','4','5','6','7', + '8','9','a','b','c','d','e','f'); + my $lkey=''; + for (0..7) { + $lkey.=$hexstr[rand(15)]; + } + my $ukey=''; + for (0..7) { + $ukey.=$hexstr[rand(15)]; + } + return ($lkey,$ukey); +} + +sub des_decrypt { + my ($key,$cyphertext) = @_; + my $keybin=pack("H16",$key); + my $cypher; + if ($Crypt::DES::VERSION>=2.03) { + $cypher=new Crypt::DES $keybin; + } else { + $cypher=new DES $keybin; + } + my $plaintext= + $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,0,16)))); + $plaintext.= + $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,16,16)))); + $plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)) ); + return $plaintext; +} + +################################################################ +# Handler subroutines # +################################################################ + +################################################################ +# Language Change Subroutines # +################################################################ + +sub wysiwygchanger { + my $r = shift; + my %userenv = &Apache::lonnet::get + ('environment',['wysiwygeditor']); + my $onselect='checked="checked"'; + my $offselect=''; + if ($userenv{'wysiwygeditor'} eq 'on') { + $onselect=''; + $offselect='checked="checked"'; + } + my $switchoff=&mt('Disable WYSIWYG editor'); + my $switchon=&mt('Enable WYSIWYG editor'); + $r->print(< + +
+
+ +ENDLSCREEN + $r->print('
'); +} + + +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('

'.&mt('Setting WYSIWYG editor to:').' '.&mt($newsetting).'

'); +} +################################################################ +# Language Change Subroutines # +################################################################ +sub languagechanger { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + my %userenv = &Apache::lonnet::get + ('environment',['languages']); + my $language=$userenv{'languages'}; + + my $pref=&mt('Preferred language'); + my %langchoices=('' => 'No language preference'); + foreach (&Apache::loncommon::languageids()) { + if (&Apache::loncommon::supportedlanguagecode($_)) { + $langchoices{&Apache::loncommon::supportedlanguagecode($_)} + = &Apache::loncommon::plainlanguagedescription($_); + } + } + my $selectionbox=&Apache::loncommon::select_form($language,'language', + %langchoices); + $r->print(< + +
$pref: $selectionbox +ENDLSCREEN + $r->print('
'); +} + + +sub verify_and_change_languages { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; +# Screenname + 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); + $message='Set new preferred languages to '.$newlanguage; + } else { + &Apache::lonnet::del('environment',['languages']); + &Apache::lonnet::delenv('environment\.languages'); + $message='Reset preferred language'; + } + $r->print(< 'Default', + 'tth' => 'TeX to HTML', + #'ttm' => 'TeX to MathML', + 'jsMath' => 'jsMath', + 'mimetex' => 'Convert to Images' + ); + my $selectionbox=&Apache::loncommon::select_form($texengine,'texengine', + %mathchoices); + my $jsMath_start=&Apache::lontexconvert::jsMath_header(); + my $change=&mt('Change'); + $r->print(< + +
+ +

$pref: $selectionbox

+

+
+Examples: +

TeX to HTML
+ +

+

jsMath
+$jsMath_start + + + +

+

Convert to Images
+
+ +

+ENDLSCREEN + if ($env{'environment.texengine'} ne 'jsMath') { + $r->print(''); + } +} + + +sub verify_and_change_texengine { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; +# Screenname + my $newtexengine = $env{'form.texengine'}; + $newtexengine=~s/[^\-\w]//g; + if ($newtexengine eq 'ttm') { + &Apache::lonnet::appenv('browser.mathml' => 1); + } else { + if ($env{'environment.texengine'} eq 'ttm') { + &Apache::lonnet::appenv('browser.mathml' => 0); + } + } + my $message=''; + if ($newtexengine) { + &Apache::lonnet::put('environment',{'texengine' => $newtexengine}); + &Apache::lonnet::appenv('environment.texengine' => $newtexengine); + $message='Set new preferred math display to '.$newtexengine; + } else { + &Apache::lonnet::del('environment',['texengine']); + &Apache::lonnet::delenv('environment\.texengine'); + $message='Reset preferred math display.'; + } + + + $r->print(<".&mt('Freeze Role')."". + "".&mt('Role')."". + &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(). + ''. + "". + "". + &Apache::loncommon::end_data_table_row(). "\n"; + } + $roles_check_list .= "\n"; + } + + $r->print(' +

'.&mt('Some LON-CAPA users have a long list of roles. The Recent Roles Hotlist feature keeps track of the last N roles which have been visited and places a table of these at the top of the roles page. People with very few roles should leave this feature disabled.').' +

+
+ +
+
'.&mt('Number of roles in Hotlist:').' + +

'.&mt('This list below can be used to freeze roles on your screen. Those marked as frozen will not be removed from the list, even if they have not been used recently.').' +

+'.$roles_check_list.' +
+ +
'); +} + +sub rolespref_get_role_text { +# Get a line of text for each role + my ($roles) = @_; + my %roletext = (); + + foreach my $item (@$roles) { +# get course information + my ($role,$rest) = split(/\./, $item); + my $trole = ""; + $trole = &Apache::lonnet::plaintext($role); + my ($tdomain,$other,$tsection)= split(/\//,Apache::lonnet::declutter($rest)); + my $tother = '-'; + if ($role =~ /^(cc|st|in|ta|ep|cr)/ ) { + my %newhash=&Apache::lonnet::coursedescription($tdomain."_".$other); + $tother = " - ".$newhash{'description'}; + } elsif ($role =~ /dc/) { + $tother = ""; + } else { + $tother = " - $other"; + } + + my $section=""; + if ($tsection) { + $section = " - Section/Group: $tsection"; + } + $roletext{$item} = $tdomain." - ".$trole.$tother.$section; + } + return %roletext; +} + +sub verify_and_change_rolespref { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; +# Recent Roles Hotlist Flag + my $hotlist_flag = $env{'form.recentroles'}; + my $hotlist_n = $env{'form.recentrolesn'}; + my $message='
'; + if ($hotlist_flag) { + &Apache::lonnet::put('environment',{'recentroles' => $hotlist_flag}); + &Apache::lonnet::appenv('environment.recentroles' => $hotlist_flag); + $message=&mt('Recent Roles Hotlist is Enabled'); + } else { + &Apache::lonnet::del('environment',['recentroles']); + &Apache::lonnet::delenv('environment\.recentroles'); + $message=&mt('Recent Roles Hotlist is Disabled'); + } + if ($hotlist_n) { + &Apache::lonnet::put('environment',{'recentrolesn' => $hotlist_n}); + &Apache::lonnet::appenv('environment.recentrolesn' => $hotlist_n); + if ($hotlist_flag) { + $message.="
". + &mt('Display [_1] Most Recent Roles',$hotlist_n)."\n"; + } + } + +# Get list of froze roles and list of recent roles + my @freeze_list = &Apache::loncommon::get_env_multiple('form.freezeroles'); + my %freeze = (); + my %roletext = (); + + foreach my $key (@freeze_list) { + $freeze{$key}='1'; + } + + my %recent_roles = + &Apache::lonhtmlcommon::get_recent('roles',$env{'environment.recentrolesn'}); + my %frozen_roles = + &Apache::lonhtmlcommon::get_recent_frozen('roles',$env{'environment.recentrolesn'}); + my %role_text = &rolespref_get_role_text([keys(%recent_roles)]); + +# Unset any roles that were previously frozen but aren't in list + foreach my $role_key (sort(keys(%recent_roles))) { + if (($frozen_roles{$role_key}) && (!exists($freeze{$role_key}))) { + $message .= "
".&mt('Unfreezing Role: [_1]',$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}) { + $message .= "
".&mt('Freezing Role: [_1]',$role_text{$role_key})."\n"; + &Apache::lonhtmlcommon::store_recent('roles', + $role_key,' ',1); + } + } + $message .= "

\n"; + + $r->print(<print(< + +
New screenname (shown if you post anonymously): + +
New nickname (shown if you post non-anonymously): + + + +ENDSCREEN +} + +sub verify_and_change_screenname { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; +# 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); + $message='Set new screenname to '.$newscreen; + } else { + &Apache::lonnet::del('environment',['screenname']); + &Apache::lonnet::delenv('environment\.screenname'); + $message='Reset screenname'; + } +# Nickname + $message.='
'; + $newscreen = $env{'form.nickname'}; + $newscreen=~s/[^ \w]//g; + if ($newscreen) { + &Apache::lonnet::put('environment',{'nickname' => $newscreen}); + &Apache::lonnet::appenv('environment.nickname' => $newscreen); + $message.='Set new nickname to '.$newscreen; + } else { + &Apache::lonnet::del('environment',['nickname']); + &Apache::lonnet::delenv('environment\.nickname'); + $message.='Reset nickname'; + } + &Apache::lonnet::devalidate_cache_new('namescache',$user.':'.$domain); + $r->print(<print(< +
+ +New Forwarding Address(es) (user:domain,user:domain,...): +
+New Message Notification Email Address(es) (joe\@doe.com,jane\@doe.edu,...): +
+New Critical Message Notification Email Address(es) (joe\@doe.com,jane\@doe.edu,...): +$criticalMessageHelp
+ +
+ENDMSG +} + +sub verify_and_change_msgforward { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + my $newscreen = ''; + my $message=''; + foreach (split(/\,/,$env{'form.msgforward'})) { + my ($msuser,$msdomain)=split(/[\@\:]/,$_); + $msuser=~s/\W//g; + $msdomain=~s/\W//g; + if (($msuser) && ($msdomain)) { + if (&Apache::lonnet::homeserver($msuser,$msdomain) ne 'no_host') { + $newscreen.=$msuser.':'.$msdomain.','; + } else { + $message.='No such user: '.$msuser.':'.$msdomain.'
'; + } + } + } + $newscreen=~s/\,$//; + if ($newscreen) { + &Apache::lonnet::put('environment',{'msgforward' => $newscreen}); + &Apache::lonnet::appenv('environment.msgforward' => $newscreen); + $message.='Set new message forwarding to '.$newscreen.'
'; + } else { + &Apache::lonnet::del('environment',['msgforward']); + &Apache::lonnet::delenv('environment\.msgforward'); + $message.='Reset message forwarding
'; + } + my $notification=$env{'form.notification'}; + $notification=~s/\s//gs; + if ($notification) { + &Apache::lonnet::put('environment',{'notification' => $notification}); + &Apache::lonnet::appenv('environment.notification' => $notification); + $message.='Set message notification address to '.$notification.'
'; + } else { + &Apache::lonnet::del('environment',['notification']); + &Apache::lonnet::delenv('environment\.notification'); + $message.='Reset message notification
'; + } + my $critnotification=$env{'form.critnotification'}; + $critnotification=~s/\s//gs; + if ($critnotification) { + &Apache::lonnet::put('environment',{'critnotification' => $critnotification}); + &Apache::lonnet::appenv('environment.critnotification' => $critnotification); + $message.='Set critical message notification address to '.$critnotification; + } else { + &Apache::lonnet::del('environment',['critnotification']); + &Apache::lonnet::delenv('environment\.critnotification'); + $message.='Reset critical message notification
'; + } + $r->print(< 'Page Background', + 'tabbg' => 'Header Background', + 'sidebg'=> 'Header Border', + 'font' => 'Font', + '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); + $chtable.=&Apache::loncommon::start_data_table_row(). + ''.$colortypes{$item}.'      Select'. + &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(< + + function pclose() { + parmwin=window.open("/adm/rat/empty.html","LONCAPAparms", + "height=350,width=350,scrollbars=no,menubar=no"); + parmwin.close(); + } + + $pjump_def + + function psub() { + pclose(); + if (document.parmform.pres_marker.value!='') { + if (document.parmform.pres_type.value!='') { + eval('document.prefs.'+ + document.parmform.pres_marker.value+ + '.value=document.parmform.pres_value.value;'); + } + } else { + document.parmform.pres_value.value=''; + document.parmform.pres_marker.value=''; + } + } + + + +
+ + + +
+
+ +$start_data_table +$chtable +$end_data_table + + + +
+ENDCOL +} + +sub verify_and_change_colors { + my $r = shift; +# figure out colors + my $function=&Apache::loncommon::get_users_function(); + my $domain=&Apache::loncommon::determinedomain(); + my %colortypes=('pgbg' => 'Page Background', + 'tabbg' => 'Header Background', + 'sidebg'=> 'Header Border', + 'font' => 'Font', + 'link' => 'Un-Visited Link', + 'vlink' => 'Visited Link', + 'alink' => 'Active Link'); + + my $message=''; + foreach my $item (keys %colortypes) { + my $color=$env{'form.'.$item}; + my $entry='color.'.$function.'.'.$item; + if (($color=~/^\#[0-9A-Fa-f]{6}$/) && (!$env{'form.resetall'})) { + &Apache::lonnet::put('environment',{$entry => $color}); + &Apache::lonnet::appenv('environment.'.$entry => $color); + $message.='Set '.$colortypes{$item}.' to '.$color.'
'; + } else { + &Apache::lonnet::del('environment',[$entry]); + &Apache::lonnet::delenv('environment\.'.$entry); + $message.='Reset '.$colortypes{$item}.'
'; + } + } + my $now = time; + &Apache::lonnet::put('environment',{'color.timestamp' => $now}); + &Apache::lonnet::appenv('environment.color.timestamp' => $now); + + $r->print(< + + +ENDVCCOL +} + +###################################################### +# password handler subroutines # +###################################################### +sub passwordchanger { + # 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 $domain = $env{'user.domain'}; + my $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):/); + # + # Generate keys + my ($lkey_cpass ,$ukey_cpass ) = &des_keys(); + my ($lkey_npass1,$ukey_npass1) = &des_keys(); + my ($lkey_npass2,$ukey_npass2) = &des_keys(); + # Store the keys in the log files + my $lonhost = $r->dir_config('lonHostID'); + my $logtoken=Apache::lonnet::reply('tmpput:' + .$ukey_cpass . $lkey_cpass .'&' + .$ukey_npass1 . $lkey_npass1.'&' + .$ukey_npass2 . $lkey_npass2, + $lonhost); + # Hexify the keys for output as javascript variables + $ukey_cpass = hex($ukey_cpass); + $lkey_cpass = hex($lkey_cpass); + $ukey_npass1= hex($ukey_npass1); + $lkey_npass1= hex($lkey_npass1); + $ukey_npass2= hex($ukey_npass2); + $lkey_npass2= hex($lkey_npass2); + # Output javascript to deal with passwords + # Output DES javascript + { + my $include = $r->dir_config('lonIncludes'); + my $jsh=Apache::File->new($include."/londes.js"); + $r->print(<$jsh>); + } + $r->print(< + + function send() { + uextkey=this.document.client.elements.ukey_cpass.value; + lextkey=this.document.client.elements.lkey_cpass.value; + initkeys(); + + this.document.pserver.elements.currentpass.value + =crypted(this.document.client.elements.currentpass.value); + + uextkey=this.document.client.elements.ukey_npass1.value; + lextkey=this.document.client.elements.lkey_npass1.value; + initkeys(); + this.document.pserver.elements.newpass_1.value + =crypted(this.document.client.elements.newpass_1.value); + + uextkey=this.document.client.elements.ukey_npass2.value; + lextkey=this.document.client.elements.lkey_npass2.value; + initkeys(); + this.document.pserver.elements.newpass_2.value + =crypted(this.document.client.elements.newpass_2.value); + + this.document.pserver.submit(); + } + + +$errormessage + +

+ + +

+ + + + + +
+ +
+ + + + + + + +
Current password:
New password:
Confirm password:
+ +
+ + + + + + +
+

+ENDFORM + # + return; +} + +sub verify_and_change_password { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + my $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):/); + # + my $currentpass = $env{'form.currentpass'}; + my $newpass1 = $env{'form.newpass_1'}; + my $newpass2 = $env{'form.newpass_2'}; + my $logtoken = $env{'form.logtoken'}; + # Check for empty data + unless (defined($currentpass) && + defined($newpass1) && + defined($newpass2) ){ + &passwordchanger($r,"

\nERROR". + "Password data was blank.\n

"); + return; + } + # Get the keys + my $lonhost = $r->dir_config('lonHostID'); + 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 + $r->print(< +ERROR: Unable to retrieve stored token for +password decryption. Please log out and try again. +

+ENDERROR + # Probably should log an error here + return 1; + } + my ($ckey,$n1key,$n2key)=split(/&/,$tmpinfo); + # + $currentpass = &des_decrypt($ckey ,$currentpass); + $newpass1 = &des_decrypt($n1key,$newpass1); + $newpass2 = &des_decrypt($n2key,$newpass2); + # + if ($newpass1 ne $newpass2) { + &passwordchanger($r, + 'ERROR:'. + 'The new passwords you entered do not match. '. + 'Please try again.'); + return 1; + } + if (length($newpass1) < 7) { + &passwordchanger($r, + 'ERROR:'. + 'Passwords must be a minimum of 7 characters long. '. + 'Please try again.'); + return 1; + } + # + # Check for bad characters + my $badpassword = 0; + foreach (split(//,$newpass1)) { + $badpassword = 1 if ((ord($_)<32)||(ord($_)>126)); + } + if ($badpassword) { + # I can't figure out how to enter bad characters on my browser. + &passwordchanger($r,<ERROR: +The password you entered contained illegal characters.
+Valid characters are: space and
+
+!"\#$%&\'()*+,-./0123456789:;<=>?\@
+ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_\`abcdefghijklmnopqrstuvwxyz{|}~
+
+ENDERROR + } + # + # Change the password (finally) + my $result = &Apache::lonnet::changepass + ($user,$domain,$currentpass,$newpass1,$homeserver); + # Inform the user the password has (not?) been changed + if ($result =~ /^ok$/) { + $r->print(<<"ENDTEXT"); +

The password for $user was successfully changed

+ENDTEXT + } else { + # error error: run in circles, scream and shout + $r->print(<The password for $user was not changed +Please make sure your old password was entered correctly. +ENDERROR + return 1; + } + 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'; + } + + $r->print(<<"END"); +
+ +
+$lt{'sdpf'}
$lt{'prca'}
  1. $lt{'whpo'}
  2. $lt{'unwh'}
+
+
+END + $r->print(&Apache::loncommon::start_data_table()); + $r->print(<<"END"); + + $lt{'pref'} + $lt{'curr'} + $lt{'actn'}? + +END + $r->print(&Apache::loncommon::start_data_table_row()); + $r->print(<<"END"); + $lt{'disa'} + $lt{$discdisp} + +END + $r->print(&Apache::loncommon::end_data_table_row(). + &Apache::loncommon::start_data_table_row()); + $r->print(<<"END"); + $lt{'npmr'} + $lt{$discmark} + + +END + $r->print(&Apache::loncommon::end_data_table_row(). + &Apache::loncommon::end_data_table()); + $r->print(<<"END"); +
+
+ +
+
+Note: $lt{'thde'} +
+END +} + +sub verify_and_change_discussion { + my $r = shift; + my $user = $env{'user.name'}; + my $domain = $env{'user.domain'}; + my $message=''; + if (defined($env{'form.discdisp'}) ) { + my $newdisp = $env{'form.newdisp'}; + if ($newdisp eq 'unread') { + $message .='In discussions: only new posts will be displayed.
'; + &Apache::lonnet::put('environment',{'discdisplay' => $newdisp}); + &Apache::lonnet::appenv('environment.discdisplay' => $newdisp); + } else { + $message .= 'In discussions: all posts will be displayed.
'; + &Apache::lonnet::del('environment',['discdisplay']); + &Apache::lonnet::delenv('environment\.discdisplay'); + } + } + if (defined($env{'form.discmark'}) ) { + my $newmark = $env{'form.newmark'}; + if ($newmark eq 'ondisp') { + $message.='In discussions: new posts will be cease to be identified as "new" after display.
'; + &Apache::lonnet::put('environment',{'discmarkread' => $newmark}); + &Apache::lonnet::appenv('environment.discmarkread' => $newmark); + } else { + $message.='In discussions: posts will be identified as "new" until marked as read by the reader.
'; + &Apache::lonnet::del('environment',['discmarkread']); + &Apache::lonnet::delenv('environment\.discmarkread'); + } + } + $r->print(< 'First resource', + whatsnew => "What's new page", + ); + my $whatsnew_off=&mt('Display the [_1] in the course.','first resource'); + my $whatsnew_on=&mt('Display the "[_1]" page - a summary of items in the course which require attention.',"What's New"); + + $r->print('
'.&mt('Set the default page to be displayed when you select a course role').' '.&mt('(Currently: [_1])',$pagenames{$currvalue}).'
'.&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',"What's New").'

'); + $r->print(< + +
+
+ +ENDLSCREEN + $r->print('

+'); +} + +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'}; + $message = ''.$lt{'defs'}.': '.$lt{'when'}.', '; + if ($newdisp eq 'firstres') { + $message .= $lt{'ywbt'}.'
'; + &Apache::lonnet::put('environment',{'course_init_display' => $newdisp}); + &Apache::lonnet::appenv('environment.course_init_display' => $newdisp); + } else { + $message .= $lt{'apwb'}.'
'; + &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); + $message .= '
'.$lt{'gtts'}.' '.&mt('now').''; + } else { + $message .= '
'.$lt{'dasp'}.''; + } + } + $r->print(<
+ENDVCSCREEN +} + + +###################################################### +# other handler subroutines # +###################################################### + +################################################################ +# Main handler # +################################################################ sub handler { my $r = shift; - $r->content_type('text/html'); + my $user = $env{'user.name'}; + 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); $r->send_http_header; return OK if $r->header_only; + # + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['action','wysiwyg','returnurl','refpage']); + # + &Apache::lonhtmlcommon::clear_breadcrumbs(); + &Apache::lonhtmlcommon::add_breadcrumb + ({href => '/adm/preferences', + text => 'Set User Preferences'}); + + my @Options; + # Determine current authentication method + my $currentauth=&Apache::lonnet::queryauthenticate($user,$domain); + if ($currentauth =~ /^(unix|internal):/) { + push (@Options,({ action => 'changepass', + linktext => 'Change Password', + href => '/adm/preferences', + help => 'Change_Password', + subroutine => \&passwordchanger, + breadcrumb => + { href => '/adm/preferences?action=changepass', + text => 'Change Password'}, + }, + { action => 'verify_and_change_pass', + subroutine => \&verify_and_change_password, + breadcrumb => + { href =>'/adm/preferences?action=changepass', + text => 'Change Password'}, + printmenu => 'not_on_error', + })); + } + push (@Options,({ action => 'changescreenname', + linktext => 'Change Screen Name', + href => '/adm/preferences', + help => 'Prefs_Screen_Name_Nickname', + subroutine => \&screennamechanger, + breadcrumb => + { href => '/adm/preferences?action=changescreenname', + text => 'Change Screen Name'}, + }, + { action => 'verify_and_change_screenname', + subroutine => \&verify_and_change_screenname, + breadcrumb => + { href => '/adm/preferences?action=changescreenname', + text => 'Change Screen Name'}, + printmenu => 'yes', + })); + + push (@Options,({ action => 'changemsgforward', + linktext => 'Change Message Forwarding and Notification Addresses', + href => '/adm/preferences', + help => 'Prefs_Forwarding', + breadcrumb => + { href => '/adm/preferences?action=changemsgforward', + text => 'Change Message Forwarding'}, + subroutine => \&msgforwardchanger, + }, + { action => 'verify_and_change_msgforward', + breadcrumb => + { href => '/adm/preferences?action=changemsgforward', + text => 'Change Message Forwarding'}, + printmenu => 'yes', + subroutine => \&verify_and_change_msgforward })); + my $aboutmeaction= + '/adm/'.$env{'user.domain'}.'/'.$env{'user.name'}.'/aboutme'; + push (@Options,{ action => 'none', + linktext => + q{Edit the 'About Me' Personal Information Screen}, + help => 'Prefs_About_Me', + href => $aboutmeaction}); + push (@Options,({ action => 'changecolors', + linktext => 'Change Color Scheme', + href => '/adm/preferences', + help => 'Change_Colors', + breadcrumb => + { href => '/adm/preferences?action=changecolors', + text => 'Change Colors'}, + subroutine => \&colorschanger, + }, + { action => 'verify_and_change_colors', + breadcrumb => + { href => '/adm/preferences?action=changecolors', + text => 'Change Colors'}, + printmenu => 'yes', + subroutine => \&verify_and_change_colors, + })); + push (@Options,({ action => 'changelanguages', + linktext => 'Change Language Preferences', + href => '/adm/preferences', + help => 'Prefs_Language', + breadcrumb=> + { href => '/adm/preferences?action=changelanguages', + text => 'Change Language'}, + subroutine => \&languagechanger, + }, + { action => 'verify_and_change_languages', + breadcrumb=> + {href => '/adm/preferences?action=changelanguages', + text => 'Change Language'}, + printmenu => 'yes', + subroutine=>\&verify_and_change_languages, } + )); + push (@Options,({ action => 'changewysiwyg', + linktext => 'Change WYSIWYG Editor Preferences', + href => '/adm/preferences', + breadcrumb => + { href => '/adm/preferences?action=changewysiwyg', + text => 'Change WYSIWYG Preferences'}, + subroutine => \&wysiwygchanger, + }, + { action => 'set_wysiwyg', + breadcrumb => + { href => '/adm/preferences?action=changewysiwyg', + text => 'Change WYSIWYG Preferences'}, + printmenu => 'yes', + subroutine => \&verify_and_change_wysiwyg, } + )); + push (@Options,({ action => 'changediscussions', + linktext => 'Change Discussion Display Preferences', + href => '/adm/preferences', + help => 'Change_Discussion_Display', + breadcrumb => + { href => '/adm/preferences?action=changediscussions', + text => 'Change Discussion Preferences'}, + subroutine => \&discussionchanger, + }, + { action => 'verify_and_change_discussion', + breadcrumb => + { href => '/adm/preferences?action=changediscussions', + text => 'Change Discussion Preferences'}, + printmenu => 'yes', + subroutine => \&verify_and_change_discussion, } + )); + + push (@Options,({ action => 'changerolespref', + linktext => 'Change Roles Page Preferences', + href => '/adm/preferences', + subroutine => \&rolesprefchanger, + breadcrumb => + { href => '/adm/preferences?action=changerolespref', + text => 'Change Roles Pref'}, + }, + { action => 'verify_and_change_rolespref', + subroutine => \&verify_and_change_rolespref, + breadcrumb => + { href => '/adm/preferences?action=changerolespref', + text => 'Change Roles Preferences'}, + printmenu => 'yes', + })); -# --------------------------------------------------- Print login screen header - $r->print(< - -The LearningOnline Network with CAPA - - -

Preferences

- - - -ENDDOCUMENT + 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 ($env{'environment.remote'} eq 'off') { + push (@Options,({ action => 'launch', + linktext => 'Launch Remote Control', + href => '/adm/remote?url=/adm/preferences', + })); + } else { + push (@Options,({ action => 'collapse', + linktext => 'Collapse Remote Control', + href => '/adm/remote?url=/adm/preferences', + })); + } + + if (&Apache::lonnet::allowed('whn',$env{'request.course.id'}) + || &Apache::lonnet::allowed('whn',$env{'request.course.id'}.'/' + .$env{'request.course.sec'})) { + push (@Options,({ action => 'changecourseinit', + linktext => 'Change Course Initialization Preference', + href => '/adm/preferences', + subroutine => \&coursedisplaychanger, + breadcrumb => + { href => '/adm/preferences?action=changecourseinit', + text => 'Change Course Init. Pref.'}, + }, + { action => 'verify_and_change_coursepage', + breadcrumb => + { href => '/adm/preferences?action=changecourseinit', text => 'Change Course Initialization Preference'}, + printmenu => 'yes', + subroutine => \&verify_and_change_coursepage, + })); + } + + if ($env{'user.name'} =~ /^(albertel|fox|foxr|koretemey|korte|hallmat3|turtle|raeburn)$/) { + push (@Options,({ action => 'debugtoggle', + printmenu => 'yes', + subroutine => \&toggle_debug, + })); + } + + $r->print(&Apache::loncommon::start_page('Change Preferences')); + + my $call = undef; + my $help = undef; + my $printmenu = 'yes'; + foreach my $option (@Options) { + if ($option->{'action'} eq $env{'form.action'}) { + $call = $option->{'subroutine'}; + $printmenu = $option->{'printmenu'}; + if (exists($option->{'breadcrumb'})) { + &Apache::lonhtmlcommon::add_breadcrumb + ($option->{'breadcrumb'}); + } + $help=$option->{'help'}; + } + } + $r->print(&Apache::lonhtmlcommon::breadcrumbs('Change Preferences',$help)); + my $error; + if (defined($call)) { + $error = $call->($r); + } + if ( ( ($printmenu eq 'yes') + || ($printmenu eq 'not_on_error' && !$error) ) + && (!$env{'form.returnurl'})) { + my $optionlist = ''; + if ($env{'user.name'} =~ + /^(albertel|kortemey|fox|foxr|korte|hallmat3|turtle|raeburn)$/ + ) { + push (@Options,({ action => 'debugtoggle', + linktext => 'Toggle Debug Messages', + text => 'Current Debug status is -'. + $env{'user.debug'}.'-.', + href => '/adm/preferences', + printmenu => 'yes', + subroutine => \&toggle_debug, + })); + } + foreach my $option(@Options) { + my $optiontext = ''; + if (exists($option->{'href'})) { + $option->{'href_args'}{'action'}=$option->{'action'}; + $optiontext .= + ''. + &mt($option->{'linktext'}).''; + } + if (exists($option->{'text'})) { + $optiontext .= ' '.&mt($option->{'text'}); + } + if ($optiontext ne '') { + $optiontext = ''.$optiontext.''; + my $helplink = ' '; + if (exists($option->{'help'})) { + $helplink = &Apache::loncommon::help_open_topic + ($option->{'help'}); + } + $optionlist .= ''. + ''. + ''. + ''; + } + } + $optionlist .= '
'.$helplink.''.$optiontext.'
'; + $r->print($optionlist); + } elsif ($env{'form.returnurl'}) { + $r->print('
'. + &mt('Return').''); + } + $r->print(&Apache::loncommon::end_page()); return OK; -} +} + +sub toggle_debug { + if ($env{'user.debug'}) { + &Apache::lonnet::delenv('user\.debug'); + } else { + &Apache::lonnet::appenv('user.debug' => 1); + } +} 1; __END__