tag
-=item $secondselectname, the name of the second tag
+=item * $secondselectname, the name of the second tag
-=item $hashref, a reference to a hash containing the data for the menus.
+=item * $hashref, a reference to a hash containing the data for the menus.
=back
@@ -350,41 +420,39 @@ first menu value is given in $menu{$choi
and text for the second menu are given in the hash pointed to by
$menu{$choice1}->{'select2'}.
-my %menu = ( A1 => { text =>"Choice A1" ,
- default => "B3",
- select2 => {
- B1 => "Choice B1",
- B2 => "Choice B2",
- B3 => "Choice B3",
- B4 => "Choice B4"
- }
- },
- A2 => { text =>"Choice A2" ,
- default => "C2",
- select2 => {
- C1 => "Choice C1",
- C2 => "Choice C2",
- C3 => "Choice C3"
- }
- },
- A3 => { text =>"Choice A3" ,
- default => "D6",
- select2 => {
- D1 => "Choice D1",
- D2 => "Choice D2",
- D3 => "Choice D3",
- D4 => "Choice D4",
- D5 => "Choice D5",
- D6 => "Choice D6",
- D7 => "Choice D7"
- }
- }
- );
+ my %menu = ( A1 => { text =>"Choice A1" ,
+ default => "B3",
+ select2 => {
+ B1 => "Choice B1",
+ B2 => "Choice B2",
+ B3 => "Choice B3",
+ B4 => "Choice B4"
+ }
+ },
+ A2 => { text =>"Choice A2" ,
+ default => "C2",
+ select2 => {
+ C1 => "Choice C1",
+ C2 => "Choice C2",
+ C3 => "Choice C3"
+ }
+ },
+ A3 => { text =>"Choice A3" ,
+ default => "D6",
+ select2 => {
+ D1 => "Choice D1",
+ D2 => "Choice D2",
+ D3 => "Choice D3",
+ D4 => "Choice D4",
+ D5 => "Choice D5",
+ D6 => "Choice D6",
+ D7 => "Choice D7"
+ }
+ }
+ );
=cut
-# ------------------------------------------------
-
sub linked_select_forms {
my ($formname,
$middletext,
@@ -433,6 +501,7 @@ function select1_changed() {
// in with the nuclear
for (i=0;i{$value}->{'text'})."\n";
}
$result .= " \n";
my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
@@ -456,26 +525,34 @@ END
foreach my $value (sort(keys(%select2))) {
$result.=" \n";
}
$result .= " \n";
# return $debug;
return $result;
} # end of sub linked_select_forms {
-###############################################################
-
=pod
-=item help_open_topic($topic, $text, $stayOnPage, $width, $height)
+=item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
-Returns a string corresponding to an HTML link to the given help $topic, where $topic corresponds to the name of a .tex file in /home/httpd/html/adm/help/tex, with underscores replaced by spaces.
-
-$text will optionally be linked to the same topic, allowing you to link text in addition to the graphic. If you do not want to link text, but wish to specify one of the later parameters, pass an empty string.
-
-$stayOnPage is a value that will be interpreted as a boolean. If true, the link will not open a new window. If false, the link will open a new window using Javascript. (Default is false.)
-
-$width and $height are optional numerical parameters that will override the width and height of the popped up window, which may be useful for certain help topics with big pictures included.
+Returns a string corresponding to an HTML link to the given help
+$topic, where $topic corresponds to the name of a .tex file in
+/home/httpd/html/adm/help/tex, with underscores replaced by
+spaces.
+
+$text will optionally be linked to the same topic, allowing you to
+link text in addition to the graphic. If you do not want to link
+text, but wish to specify one of the later parameters, pass an
+empty string.
+
+$stayOnPage is a value that will be interpreted as a boolean. If true,
+the link will not open a new window. If false, the link will open
+a new window using Javascript. (Default is false.)
+
+$width and $height are optional numerical parameters that will
+override the width and height of the popped up window, which may
+be useful for certain help topics with big pictures included.
=cut
@@ -483,6 +560,10 @@ sub help_open_topic {
my ($topic, $text, $stayOnPage, $width, $height) = @_;
$text = "" if (not defined $text);
$stayOnPage = 0 if (not defined $stayOnPage);
+ if ($ENV{'browser.interface'} eq 'textual' ||
+ $ENV{'environment.remote'} eq 'off' ) {
+ $stayOnPage=1;
+ }
$width = 350 if (not defined $width);
$height = 400 if (not defined $height);
my $filename = $topic;
@@ -491,9 +572,11 @@ sub help_open_topic {
my $template = "";
my $link;
+ $topic=~s/\W/\_/g;
+
if (!$stayOnPage)
{
- $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height'))";
+ $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
}
else
{
@@ -503,21 +586,43 @@ sub help_open_topic {
# Add the text
if ($text ne "")
{
- $template .= "$text ";
+ $template .=
+ "".
+ "$text
' };
return $template;
}
+# This is a quicky function for Latex cheatsheet editing, since it
+# appears in at least four places
+sub helpLatexCheatsheet {
+ my $other = shift;
+ my $addOther = '';
+ if ($other) {
+ $addOther = Apache::loncommon::help_open_topic($other, shift,
+ undef, undef, 600) .
+ '';
+ }
+ return ''.
+ $addOther .
+ &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
+ undef,undef,600)
+ .' '.
+ &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
+ undef,undef,600)
+ .'
';
+}
+
=pod
-=item csv_translate($text)
+=item * csv_translate($text)
Translate $text to allow it to be output as a 'comma seperated values'
format.
@@ -531,14 +636,102 @@ sub csv_translate {
return $text;
}
+=pod
+
+=item * change_content_javascript():
+
+This and the next function allow you to create small sections of an
+otherwise static HTML page that you can update on the fly with
+Javascript, even in Netscape 4.
+
+The Javascript fragment returned by this function (no EscriptE tag)
+must be written to the HTML page once. It will prove the Javascript
+function "change(name, content)". Calling the change function with the
+name of the section
+you want to update, matching the name passed to C, and
+the new content you want to put in there, will put the content into
+that area.
+
+B: Netscape 4 only reserves enough space for the changable area
+to contain room for the original contents. You need to "make space"
+for whatever changes you wish to make, and be B to check your
+code in Netscape 4. This feature in Netscape 4 is B powerful;
+it's adequate for updating a one-line status display, but little more.
+This script will set the space to 100% width, so you only need to
+worry about height in Netscape 4.
+
+Modern browsers are much less limiting, and if you can commit to the
+user not using Netscape 4, this feature may be used freely with
+pretty much any HTML.
+
+=cut
+
+sub change_content_javascript {
+ # If we're on Netscape 4, we need to use Layer-based code
+ if ($ENV{'browser.type'} eq 'netscape' &&
+ $ENV{'browser.version'} =~ /^4\./) {
+ return (<. $name is
+the name you will use to reference the area later; do not repeat the
+same name on a given HTML page more then once. $origContent is what
+the area will originally contain, which can be left blank.
+
+=cut
+
+sub changable_area {
+ my ($name, $origContent) = @_;
+
+ if ($ENV{'browser.type'} eq 'netscape' &&
+ $ENV{'browser.version'} =~ /^4\./) {
+ # If this is netscape 4, we need to use the Layer tag
+ return "$origContent $origContent ";
+ }
+}
+
+=pod
+
+=back
+
+=cut
+
###############################################################
## Home server list generating code ##
###############################################################
-#-------------------------------------------
=pod
-=item get_domains()
+=head1 Home Server option list generating code
+
+=over 4
+
+=item * get_domains()
Returns an array containing each of the domains listed in the hosts.tab
file.
@@ -551,27 +744,128 @@ sub get_domains {
my @domains;
my %seen;
foreach (sort values(%Apache::lonnet::hostdom)) {
- push (@domains,$_) unless $seen{$_}++;
+ push (@domains,$_) unless $seen{$_}++;
}
return @domains;
}
+# ------------------------------------------
+
+sub domain_select {
+ my ($name,$value,$multiple)=@_;
+ my %domains=map {
+ $_ => $_.' '.$Apache::lonnet::domaindescription{$_}
+ } &get_domains;
+ if ($multiple) {
+ $domains{''}=&mt('Any domain');
+ return &multiple_select_form($name,$value,%domains);
+ } else {
+ return &select_form($name,$value,%domains);
+ }
+}
+
+sub multiple_select_form {
+ my ($name,$value,%hash)=@_;
+ my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
+ my $output='';
+ my $size =(scalar keys %hash<4?scalar keys %hash:4);
+ $output.="\n";
+ foreach (sort keys %hash) {
+ $output.="$hash{$_} \n";
+ }
+ $output.=" \n";
+ return $output;
+}
+
#-------------------------------------------
=pod
-=item select_dom_form($defdom,$name)
+=item * select_form($defdom,$name,%hash)
+
+Returns a string containing a form to
+allow a user to select options from a hash option_name => displayed text.
+See lonrights.pm for an example invocation and use.
+
+=cut
+
+#-------------------------------------------
+sub select_form {
+ my ($def,$name,%hash) = @_;
+ my $selectform = "\n";
+ my @keys;
+ if (exists($hash{'select_form_order'})) {
+ @keys=@{$hash{'select_form_order'}};
+ } else {
+ @keys=sort(keys(%hash));
+ }
+ foreach (@keys) {
+ $selectform.="".&mt($hash{$_})." \n";
+ }
+ $selectform.=" ";
+ return $selectform;
+}
+
+sub gradeleveldescription {
+ my $gradelevel=shift;
+ my %gradelevels=(0 => 'Not specified',
+ 1 => 'Grade 1',
+ 2 => 'Grade 2',
+ 3 => 'Grade 3',
+ 4 => 'Grade 4',
+ 5 => 'Grade 5',
+ 6 => 'Grade 6',
+ 7 => 'Grade 7',
+ 8 => 'Grade 8',
+ 9 => 'Grade 9',
+ 10 => 'Grade 10',
+ 11 => 'Grade 11',
+ 12 => 'Grade 12',
+ 13 => 'Grade 13',
+ 14 => '100 Level',
+ 15 => '200 Level',
+ 16 => '300 Level',
+ 17 => '400 Level',
+ 18 => 'Graduate Level');
+ return &mt($gradelevels{$gradelevel});
+}
+
+sub select_level_form {
+ my ($deflevel,$name)=@_;
+ unless ($deflevel) { $deflevel=0; }
+ my $selectform = "\n";
+ for (my $i=0; $i<=18; $i++) {
+ $selectform.="".&gradeleveldescription($i)." \n";
+ }
+ $selectform.=" ";
+ return $selectform;
+}
+
+#-------------------------------------------
+
+=pod
+
+=item * select_dom_form($defdom,$name,$includeempty)
Returns a string containing a form to
allow a user to select the domain to preform an operation in.
See loncreateuser.pm for an example invocation and use.
+If the $includeempty flag is set, it also includes an empty choice ("no domain
+selected");
+
=cut
#-------------------------------------------
sub select_dom_form {
- my ($defdom,$name) = @_;
+ my ($defdom,$name,$includeempty) = @_;
my @domains = get_domains();
+ if ($includeempty) { @domains=('',@domains); }
my $selectdomain = "\n";
foreach (@domains) {
$selectdomain.=" list to be used in a
form input. See loncreateuser.pm for an example.
@@ -628,9 +922,84 @@ sub home_server_option_list {
}
return $result;
}
+
+=pod
+
+=back
+
+=cut
+
+###############################################################
+## Decoding User Agent ##
+###############################################################
+
+=pod
+
+=head1 Decoding the User Agent
+
+=over 4
+
+=item * &decode_user_agent()
+
+Inputs: $r
+
+Outputs:
+
+=over 4
+
+=item * $httpbrowser
+
+=item * $clientbrowser
+
+=item * $clientversion
+
+=item * $clientmathml
+
+=item * $clientunicode
+
+=item * $clientos
+
+=back
+
+=back
+
+=cut
+
###############################################################
-## End of home server list generating code ##
###############################################################
+sub decode_user_agent {
+ my @browsertype=split(/\&/,$Apache::lonnet::perlvar{"lonBrowsDet"});
+ my %mathcap=split(/\&/,$$Apache::lonnet::perlvar{"lonMathML"});
+ my $httpbrowser=$ENV{"HTTP_USER_AGENT"};
+ my $clientbrowser='unknown';
+ my $clientversion='0';
+ my $clientmathml='';
+ my $clientunicode='0';
+ for (my $i=0;$i<=$#browsertype;$i++) {
+ my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]);
+ if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) {
+ $clientbrowser=$bname;
+ $httpbrowser=~/$vreg/i;
+ $clientversion=$1;
+ $clientmathml=($clientversion>=$minv);
+ $clientunicode=($clientversion>=$univ);
+ }
+ }
+ my $clientos='unknown';
+ if (($httpbrowser=~/linux/i) ||
+ ($httpbrowser=~/unix/i) ||
+ ($httpbrowser=~/ux/i) ||
+ ($httpbrowser=~/solaris/i)) { $clientos='unix'; }
+ if (($httpbrowser=~/vax/i) ||
+ ($httpbrowser=~/vms/i)) { $clientos='vms'; }
+ if ($httpbrowser=~/next/i) { $clientos='next'; }
+ if (($httpbrowser=~/mac/i) ||
+ ($httpbrowser=~/powerpc/i)) { $clientos='mac'; }
+ if ($httpbrowser=~/win/i) { $clientos='win'; }
+ if ($httpbrowser=~/embed/i) { $clientos='pda'; }
+ return ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
+ $clientunicode,$clientos,);
+}
###############################################################
## Authentication changing form generation subroutines ##
@@ -644,7 +1013,11 @@ sub home_server_option_list {
=pod
-=item authform_xxxxxx
+=head1 Authentication Routines
+
+=over 4
+
+=item * authform_xxxxxx
The authform_xxxxxx subroutines provide javascript and html forms which
handle some of the conveniences required for authentication forms.
@@ -654,35 +1027,68 @@ See loncreateuser.pm for invocation and
=over 4
-=item authform_header
+=item * authform_header
-=item authform_authorwarning
+=item * authform_authorwarning
-=item authform_nochange
+=item * authform_nochange
-=item authform_kerberos
+=item * authform_kerberos
-=item authform_internal
+=item * authform_internal
-=item authform_filesystem
+=item * authform_filesystem
=back
+=back
+
=cut
#-------------------------------------------
sub authform_header{
my %in = (
formname => 'cu',
- kerb_def_dom => 'MSU.EDU',
+ kerb_def_dom => '',
@_,
);
$in{'formname'} = 'document.' . $in{'formname'};
my $result='';
+
+#---------------------------------------------- Code for upper case translation
+ my $Javascript_toUpperCase;
+ unless ($in{kerb_def_dom}) {
+ $Javascript_toUpperCase =<<"END";
+ switch (choice) {
+ case 'krb': currentform.elements[choicearg].value =
+ currentform.elements[choicearg].value.toUpperCase();
+ break;
+ default:
+ }
+END
+ } else {
+ $Javascript_toUpperCase = "";
+ }
+
+ my $radioval = "'nochange'";
+ my $argfield = 'null';
+ if ( grep/^mode$/,(keys %in) ) {
+ if ($in{'mode'} eq 'modifycourse') {
+ if ( grep/^curr_authtype$/,(keys %in) ) {
+ $radioval = "'$in{'curr_authtype'}'";
+ }
+ if ( grep/^curr_autharg$/,(keys %in) ) {
+ unless ($in{'curr_autharg'} eq '') {
+ $argfield = "'$in{'curr_autharg'}'";
+ }
+ }
+ }
+ }
+
$result.=<<"END";
var current = new Object();
-current.radiovalue = 'nochange';
-current.argfield = null;
+current.radiovalue = $radioval;
+current.argfield = $argfield;
function changed_radio(choice,currentform) {
var choicearg = choice + 'arg';
@@ -712,12 +1118,7 @@ function changed_radio(choice,currentfor
function changed_text(choice,currentform) {
var choicearg = choice + 'arg';
if (currentform.elements[choicearg].value !='') {
- switch (choice) {
- case 'krb': currentform.elements[choicearg].value =
- currentform.elements[choicearg].value.toUpperCase();
- break;
- default:
- }
+ $Javascript_toUpperCase
// clear old field
if ((current.argfield != choicearg) && (current.argfield != null)) {
currentform.elements[current.argfield].value = '';
@@ -747,10 +1148,10 @@ END
sub authform_authorwarning{
my $result='';
- $result=<<"END";
-As a general rule, only authors or co-authors should be filesystem
-authenticated (which allows access to the server filesystem).
-END
+ $result=''.
+ &mt('As a general rule, only authors or co-authors should be '.
+ 'filesystem authenticated '.
+ '(which allows access to the server filesystem).')." \n";
return $result;
}
@@ -760,12 +1161,10 @@ sub authform_nochange{
kerb_def_dom => 'MSU.EDU',
@_,
);
- my $result='';
- $result.=<<"END";
-$link ";
}
+# --------------------------------------------------------------- Notes Wrapper
+
+sub noteswrapper {
+ my ($link,$un,$do)=@_;
+ return
+"$link ";
+}
# ------------------------------------------------------------- Aboutme Wrapper
sub aboutmewrapper {
- my ($link,$username,$domain)=@_;
- return "$link ";
+ my ($link,$username,$domain,$target)=@_;
+ return "$link ";
}
# ------------------------------------------------------------ Syllabus Wrapper
sub syllabuswrapper {
- my ($link,$un,$do)=@_;
- return "$link ";
+ my ($linktext,$coursedir,$domain,$fontcolor)=@_;
+ if ($fontcolor) {
+ $linktext=''.$linktext.' ';
+ }
+ return "$linktext ";
}
-# ---------------------------------------------------------------- Language IDs
+=pod
+
+=back
+
+=head1 Access .tab File Data
+
+=over 4
+
+=item * languageids()
+
+returns list of all language ids
+
+=cut
+
sub languageids {
return sort(keys(%language));
}
-# -------------------------------------------------------- Language Description
+=pod
+
+=item * languagedescription()
+
+returns description of a specified language id
+
+=cut
+
sub languagedescription {
- return $language{shift(@_)};
+ my $code=shift;
+ return ($supported_language{$code}?'* ':'').
+ $language{$code}.
+ ($supported_language{$code}?' ('.&mt('interface available').')':'');
}
-# --------------------------------------------------------------- Copyright IDs
+sub plainlanguagedescription {
+ my $code=shift;
+ return $language{$code};
+}
+
+sub supportedlanguagecode {
+ my $code=shift;
+ return $supported_language{$code};
+}
+
+=pod
+
+=item * copyrightids()
+
+returns list of all copyrights
+
+=cut
+
sub copyrightids {
return sort(keys(%cprtag));
}
-# ------------------------------------------------------- Copyright Description
+=pod
+
+=item * copyrightdescription()
+
+returns description of a specified copyright id
+
+=cut
+
sub copyrightdescription {
- return $cprtag{shift(@_)};
+ return &mt($cprtag{shift(@_)});
}
-# ------------------------------------------------------------- File Categories
+=pod
+
+=item * filecategories()
+
+returns list of all file categories
+
+=cut
+
sub filecategories {
return sort(keys(%category_extensions));
}
-# -------------------------------------- File Types within a specified category
+=pod
+
+=item * filecategorytypes()
+
+returns list of file types belonging to a given file
+category
+
+=cut
+
sub filecategorytypes {
return @{$category_extensions{lc($_[0])}};
}
-# ------------------------------------------------------------------ File Types
-sub fileextensions {
- return sort(keys(%fe));
-}
+=pod
+
+=item * fileembstyle()
+
+returns embedding style for a specified file type
+
+=cut
-# ------------------------------------------------------------- Embedding Style
sub fileembstyle {
return $fe{lc(shift(@_))};
}
-# ------------------------------------------------------------ Description Text
+
+sub filecategoryselect {
+ my ($name,$value)=@_;
+ return &select_form($name,$value,
+ '' => &mt('Any category'),
+ map { $_,$_ } sort(keys(%category_extensions)));
+}
+
+=pod
+
+=item * filedescription()
+
+returns description for a specified file type
+
+=cut
+
sub filedescription {
- return $fd{lc(shift(@_))};
+ return &mt($fd{lc(shift(@_))});
}
-# ------------------------------------------------------------ Description Text
+=pod
+
+=item * filedescriptionex()
+
+returns description for a specified file type with
+extra formatting
+
+=cut
+
sub filedescriptionex {
my $ex=shift;
- return '.'.$ex.' '.$fd{lc($ex)};
+ return '.'.$ex.' '.&mt($fd{lc($ex)});
+}
+
+# End of .tab access
+=pod
+
+=back
+
+=cut
+
+# ------------------------------------------------------------------ File Types
+sub fileextensions {
+ return sort(keys(%fe));
}
-# ---- Retrieve attempts by students
-# input
-# $symb - problem including path
-# $username,$domain - that of the student
-# $course - course name
-# $getattempt - leave blank if want all attempts, else put something.
-# $regexp - regular expression. If string matches regexp send to
-# $gradesub - routine that process the string if it matches regexp
-#
-# output
-# formatted as a table all the attempts, if any.
+# ----------------------------------------------------------- Display Languages
+# returns a hash with all desired display languages
#
+
+sub display_languages {
+ my %languages=();
+ foreach (&preferred_languages()) {
+ $languages{$_}=1;
+ }
+ &get_unprocessed_cgi($ENV{'QUERY_STRING'},['displaylanguage']);
+ if ($ENV{'form.displaylanguage'}) {
+ foreach (split(/\s*(\,|\;|\:)\s*/,$ENV{'form.displaylanguage'})) {
+ $languages{$_}=1;
+ }
+ }
+ return %languages;
+}
+
+sub preferred_languages {
+ my @languages=();
+ if ($ENV{'environment.languages'}) {
+ @languages=split(/\s*(\,|\;|\:)\s*/,$ENV{'environment.languages'});
+ }
+ if ($ENV{'course.'.$ENV{'request.course.id'}.'.languages'}) {
+ @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
+ $ENV{'course.'.$ENV{'request.course.id'}.'.languages'}));
+ }
+ my $browser=(split(/\;/,$ENV{'HTTP_ACCEPT_LANGUAGE'}))[0];
+ if ($browser) {
+ @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,$browser));
+ }
+ if ($Apache::lonnet::domain_lang_def{$ENV{'user.domain'}}) {
+ @languages=(@languages,
+ $Apache::lonnet::domain_lang_def{$ENV{'user.domain'}});
+ }
+ if ($Apache::lonnet::domain_lang_def{$ENV{'request.role.domain'}}) {
+ @languages=(@languages,
+ $Apache::lonnet::domain_lang_def{$ENV{'request.role.domain'}});
+ }
+ if ($Apache::lonnet::domain_lang_def{
+ $Apache::lonnet::perlvar{'lonDefDomain'}}) {
+ @languages=(@languages,
+ $Apache::lonnet::domain_lang_def{
+ $Apache::lonnet::perlvar{'lonDefDomain'}});
+ }
+# turn "en-ca" into "en-ca,en"
+ my @genlanguages;
+ foreach (@languages) {
+ unless ($_=~/\w/) { next; }
+ push (@genlanguages,$_);
+ if ($_=~/(\-|\_)/) {
+ push (@genlanguages,(split(/(\-|\_)/,$_))[0]);
+ }
+ }
+ return @genlanguages;
+}
+
+###############################################################
+## Student Answer Attempts ##
+###############################################################
+
+=pod
+
+=head1 Alternate Problem Views
+
+=over 4
+
+=item * get_previous_attempt($symb, $username, $domain, $course,
+ $getattempt, $regexp, $gradesub)
+
+Return string with previous attempt on problem. Arguments:
+
+=over 4
+
+=item * $symb: Problem, including path
+
+=item * $username: username of the desired student
+
+=item * $domain: domain of the desired student
+
+=item * $course: Course ID
+
+=item * $getattempt: Leave blank for all attempts, otherwise put
+ something
+
+=item * $regexp: if string matches this regexp, the string will be
+ sent to $gradesub
+
+=item * $gradesub: routine that processes the string if it matches $regexp
+
+=back
+
+The output string is a table containing all desired attempts, if any.
+
+=cut
+
sub get_previous_attempt {
my ($symb,$username,$domain,$course,$getattempt,$regexp,$gradesub)=@_;
my $prevattempts='';
@@ -1129,7 +1871,7 @@ sub get_previous_attempt {
} else {
$value=$returnhash{$version.':'.$_};
}
- $prevattempts.=''.$value.' ';
+ $prevattempts.=''.&Apache::lonnet::unescape($value).' ';
}
}
}
@@ -1141,6 +1883,7 @@ sub get_previous_attempt {
} else {
$value=$lasthash{$_};
}
+ $value=&Apache::lonnet::unescape($value);
if ($_ =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
$prevattempts.=''.$value.' ';
}
@@ -1153,9 +1896,52 @@ sub get_previous_attempt {
}
}
+sub relative_to_absolute {
+ my ($url,$output)=@_;
+ my $parser=HTML::TokeParser->new(\$output);
+ my $token;
+ my $thisdir=$url;
+ my @rlinks=();
+ while ($token=$parser->get_token) {
+ if ($token->[0] eq 'S') {
+ if ($token->[1] eq 'a') {
+ if ($token->[2]->{'href'}) {
+ $rlinks[$#rlinks+1]=$token->[2]->{'href'};
+ }
+ } elsif ($token->[1] eq 'img' || $token->[1] eq 'embed' ) {
+ $rlinks[$#rlinks+1]=$token->[2]->{'src'};
+ } elsif ($token->[1] eq 'base') {
+ $thisdir=$token->[2]->{'href'};
+ }
+ }
+ }
+ $thisdir=~s-/[^/]*$--;
+ foreach (@rlinks) {
+ unless (($_=~/^http:\/\//i) ||
+ ($_=~/^\//) ||
+ ($_=~/^javascript:/i) ||
+ ($_=~/^mailto:/i) ||
+ ($_=~/^\#/)) {
+ my $newlocation=&Apache::lonnet::hreflocation($thisdir,$_);
+ $output=~s/(\"|\'|\=\s*)$_(\"|\'|\s|\>)/$1$newlocation$2/;
+ }
+ }
+# -------------------------------------------------- Deal with Applet codebases
+ $output=~s/(\]+)(codebase\=[^\S\>]+)*([^\>]*)\>/$1.($2?$2:' codebase="'.$thisdir.'"').$3.'>'/gei;
+ return $output;
+}
+
+=pod
+
+=item * get_student_view
+
+show a snapshot of what student was looking at
+
+=cut
+
sub get_student_view {
my ($symb,$username,$domain,$courseid,$target) = @_;
- my ($map,$id,$feedurl) = split(/___/,$symb);
+ my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
my (%old,%moreenv);
my @elements=('symb','courseid','domain','username');
foreach my $element (@elements) {
@@ -1164,7 +1950,8 @@ sub get_student_view {
}
if ($target eq 'tex') {$moreenv{'form.grade_target'} = 'tex';}
&Apache::lonnet::appenv(%moreenv);
- my $userview=&Apache::lonnet::ssi('/res/'.$feedurl);
+ $feedurl=&Apache::lonnet::clutter($feedurl);
+ my $userview=&Apache::lonnet::ssi_body($feedurl);
&Apache::lonnet::delenv('form.grade_');
foreach my $element (@elements) {
$ENV{'form.grade_'.$element}=$old{$element};
@@ -1176,12 +1963,21 @@ sub get_student_view {
$userview=~s/\//gi;
$userview=~s/\<\/head\>//gi;
$userview=~s/action\s*\=/would_be_action\=/gi;
+ $userview=&relative_to_absolute($feedurl,$userview);
return $userview;
}
+=pod
+
+=item * get_student_answers()
+
+show a snapshot of how student was answering problem
+
+=cut
+
sub get_student_answers {
- my ($symb,$username,$domain,$courseid) = @_;
- my ($map,$id,$feedurl) = split(/___/,$symb);
+ my ($symb,$username,$domain,$courseid,%form) = @_;
+ my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
my (%old,%moreenv);
my @elements=('symb','courseid','domain','username');
foreach my $element (@elements) {
@@ -1190,7 +1986,7 @@ sub get_student_answers {
}
$moreenv{'form.grade_target'}='answer';
&Apache::lonnet::appenv(%moreenv);
- my $userview=&Apache::lonnet::ssi('/res/'.$feedurl);
+ my $userview=&Apache::lonnet::ssi('/res/'.$feedurl,%form);
&Apache::lonnet::delenv('form.grade_');
foreach my $element (@elements) {
$ENV{'form.grade_'.$element}=$old{$element};
@@ -1198,6 +1994,36 @@ sub get_student_answers {
return $userview;
}
+=pod
+
+=item * &submlink()
+
+Inputs: $text $uname $udom $symb
+
+Returns: A link to grades.pm such as to see the SUBM view of a student
+
+=cut
+
+###############################################
+sub submlink {
+ my ($text,$uname,$udom,$symb)=@_;
+ if (!($uname && $udom)) {
+ (my $cursymb, my $courseid,$udom,$uname)=
+ &Apache::lonxml::whichuser($symb);
+ if (!$symb) { $symb=$cursymb; }
+ }
+ if (!$symb) { $symb=&symbread(); }
+ return ''.$text.' ';
+}
+##############################################
+
+=pod
+
+=back
+
+=cut
+
###############################################
@@ -1221,21 +2047,6 @@ sub maketime {
$th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,$th{'dlsav'}));
}
-
-#########################################
-#
-# Retro-fixing of un-backward-compatible time format
-
-sub unsqltime {
- my $timestamp=shift;
- if ($timestamp=~/^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/) {
- $timestamp=&maketime(
- 'year'=>$1,'month'=>$2,'day'=>$3,
- 'hours'=>$4,'minutes'=>$5,'seconds'=>$6);
- }
- return $timestamp;
-}
-
#########################################
sub findallcourses {
@@ -1262,7 +2073,11 @@ sub findallcourses {
=pod
-=item &determinedomain()
+=head1 Domain Template Functions
+
+=over 4
+
+=item * &determinedomain()
Inputs: $domain (usually will be undef)
@@ -1286,7 +2101,7 @@ sub determinedomain {
###############################################
=pod
-=item &domainlogo()
+=item * &domainlogo()
Inputs: $domain (usually will be undef)
@@ -1294,13 +2109,16 @@ Returns: A link to a domain logo, if the
If the domain logo does not exist, a description of the domain.
=cut
+
###############################################
sub domainlogo {
my $domain = &determinedomain(shift);
# See if there is a logo
if (-e '/home/httpd/html/adm/lonDomLogos/'.$domain.'.gif') {
- return '
+h1, h2, h3, th { font-family: Arial, Helvetica, sans-serif }
+a:focus { color: red; background: yellow }
+
+style="margin-top: 0px;$addstyle" $addentries>
END
+ my $upperleft='LON-CAPA: '.$title.'';
+ } elsif ($ENV{'environment.remote'} eq 'off') {
+# No Remote
+ return $bodytag.&Apache::lonmenu::menubuttons($forcereg,'web',
+ $forcereg).
+ '';
+ }
+
+#
+# Top frame rendering, Remote is up
+#
+ return(<
-
-
-$messages
+$upperleft
+$messages
- $title
-
+ $title
+
$ENV{'environment.firstname'}
$ENV{'environment.middlename'}
$ENV{'environment.lastname'}
@@ -1420,16 +2296,100 @@ $bodytag
-$role
+$role
-$realm
+$realm
-CSV (comma separated values, spreadsheet)
-Space separated
-Tabulator separated
-HTML/XML
-
-ENDUPFORM
+ my %Types = (
+ csv => &mt('CSV (comma separated values, spreadsheet)'),
+ space => &mt('Space separated'),
+ tab => &mt('Tabulator separated'),
+# xml => &mt('HTML/XML'),
+ );
+ my $Str = '';
+ foreach my $type (sort(keys(%Types))) {
+ $Str .= ''.$Types{$type}." \n";
+ }
+ $Str .= " \n";
+ return $Str;
}
+######################################################
+######################################################
+
=pod
-=item csv_print_samples($r,$records)
+=item * csv_print_samples($r,$records)
Prints a table of sample values from each column uploaded $r is an
Apache Request ref, $records is an arrayref from
@@ -1635,15 +2672,18 @@ Apache Request ref, $records is an array
=cut
+######################################################
+######################################################
sub csv_print_samples {
my ($r,$records) = @_;
my (%sone,%stwo,%sthree);
%sone=&record_sep($$records[0]);
if (defined($$records[1])) {%stwo=&record_sep($$records[1]);}
if (defined($$records[2])) {%sthree=&record_sep($$records[2]);}
-
- $r->print('Samples');
- foreach (sort({$a <=> $b} keys(%sone))) { $r->print('Column '.($_+1).' '); }
+ #
+ $r->print(&mt('Samples').'');
+ foreach (sort({$a <=> $b} keys(%sone))) {
+ $r->print(''.&mt('Column [_1]',($_+1)).' '); }
$r->print(' ');
foreach my $hash (\%sone,\%stwo,\%sthree) {
$r->print('');
@@ -1657,23 +2697,31 @@ sub csv_print_samples {
$r->print('
Attribute Column '.
+ ''.&mt('Attribute').' '.
+ ''.&mt('Column').' '."\n");
foreach (@$d) {
my ($value,$display)=@{ $_ };
$r->print(''.$display.' ');
@@ -1691,9 +2739,12 @@ sub csv_print_select_table {
return $i;
}
+######################################################
+######################################################
+
=pod
-=item csv_samples_select_table($r,$records,$d)
+=item * csv_samples_select_table($r,$records,$d)
Prints a table of sample values from the upload and can make associate samples to internal names.
@@ -1703,22 +2754,25 @@ $d is an array of 2 element arrays (inte
=cut
+######################################################
+######################################################
sub csv_samples_select_table {
my ($r,$records,$d) = @_;
my %sone; my %stwo; my %sthree;
my $i=0;
-
- $r->print('Field Samples '.
+ &mt('Field').' '.&mt('Samples').' print('');
foreach (@$d) {
my ($value,$display)=@{ $_ };
- $r->print(''.$display.' ');
+ $r->print(''.$display.' ');
}
$r->print(' ');
if (defined($sone{$_})) { $r->print($sone{$_}."\n"); }
@@ -1730,104 +2784,581 @@ sub csv_samples_select_table {
$i--;
return($i);
}
-1;
-__END__;
+
+######################################################
+######################################################
=pod
+=item clean_excel_name($name)
+
+Returns a replacement for $name which does not contain any illegal characters.
+
+=cut
+
+######################################################
+######################################################
+sub clean_excel_name {
+ my ($name) = @_;
+ $name =~ s/[:\*\?\/\\]//g;
+ if (length($name) > 31) {
+ $name = substr($name,0,31);
+ }
+ return $name;
+}
+
+=pod
+
+=item * check_if_partid_hidden($id,$symb,$udom,$uname)
+
+Returns either 1 or undef
+
+1 if the part is to be hidden, undef if it is to be shown
+
+Arguments are:
+
+$id the id of the part to be checked
+$symb, optional the symb of the resource to check
+$udom, optional the domain of the user to check for
+$uname, optional the username of the user to check for
+
+=cut
+
+sub check_if_partid_hidden {
+ my ($id,$symb,$udom,$uname) = @_;
+ my $hiddenparts=&Apache::lonnet::EXT('resource.0.hiddenparts',
+ $symb,$udom,$uname);
+ my $truth=1;
+ #if the string starts with !, then the list is the list to show not hide
+ if ($hiddenparts=~s/^\s*!//) { $truth=undef; }
+ my @hiddenlist=split(/,/,$hiddenparts);
+ foreach my $checkid (@hiddenlist) {
+ if ($checkid =~ /^\s*\Q$id\E\s*$/) { return $truth; }
+ }
+ return !$truth;
+}
+
+
+############################################################
+############################################################
+
+=pod
+
+=back
+
+=head1 cgi-bin script and graphing routines
+
+=over 4
+
+=item get_cgi_id
+
+Inputs: none
+
+Returns an id which can be used to pass environment variables
+to various cgi-bin scripts. These environment variables will
+be removed from the users environment after a given time by
+the routine &Apache::lonnet::transfer_profile_to_env.
+
+=cut
+
+############################################################
+############################################################
+my $uniq=0;
+sub get_cgi_id {
+ $uniq=($uniq+1)%100000;
+ return (time.'_'.$uniq);
+}
+
+############################################################
+############################################################
+
+=pod
+
+=item DrawBarGraph
+
+Facilitates the plotting of data in a (stacked) bar graph.
+Puts plot definition data into the users environment in order for
+graph.png to plot it. Returns an '.$linktext.' ';
+}
+
+#######################################################
+#######################################################
+
+=pod
+
+=head1 Course Environment Routines
=over 4
-=item get_unprocessed_cgi($query,$possible_names)
+=item &restore_course_settings
-Modify the %ENV hash to contain unprocessed CGI form parameters held in
-$query. The parameters listed in $possible_names (an array reference),
-will be set in $ENV{'form.name'} if they do not already exist.
+=item &store_course_settings
-Typically called with $ENV{'QUERY_STRING'} as the first parameter.
-$possible_names is an ref to an array of form element names. As an example:
-get_unprocessed_cgi($ENV{'QUERY_STRING'},['uname','udom']);
-will result in $ENV{'form.uname'} and $ENV{'form.udom'} being set.
+Restores/Store indicated form parameters from the course environment.
+Will not overwrite existing values of the form parameters.
+
+Inputs:
+a scalar describing the data (e.g. 'chart', 'problem_analysis')
-=item cacheheader()
+a hash ref describing the data to be stored. For example:
+
+%Save_Parameters = ('Status' => 'scalar',
+ 'chartoutputmode' => 'scalar',
+ 'chartoutputdata' => 'scalar',
+ 'Section' => 'array',
+ 'StudentData' => 'array',
+ 'Maps' => 'array');
+
+Returns: both routines return nothing
-returns cache-controlling header code
+=cut
-=item no_cache($r)
+#######################################################
+#######################################################
+sub store_course_settings {
+ # save to the environment
+ # appenv the same items, just to be safe
+ my $courseid = $ENV{'request.course.id'};
+ my $coursedom = $ENV{'course.'.$courseid.'.domain'};
+ my ($prefix,$Settings) = @_;
+ my %SaveHash;
+ my %AppHash;
+ while (my ($setting,$type) = each(%$Settings)) {
+ my $basename = 'env.internal.'.$prefix.'.'.$setting;
+ my $envname = 'course.'.$courseid.'.'.$basename;
+ if (exists($ENV{'form.'.$setting})) {
+ # Save this value away
+ if ($type eq 'scalar' &&
+ (! exists($ENV{$envname}) ||
+ $ENV{$envname} ne $ENV{'form.'.$setting})) {
+ $SaveHash{$basename} = $ENV{'form.'.$setting};
+ $AppHash{$envname} = $ENV{'form.'.$setting};
+ } elsif ($type eq 'array') {
+ my $stored_form;
+ if (ref($ENV{'form.'.$setting})) {
+ $stored_form = join(',',
+ map {
+ &Apache::lonnet::escape($_);
+ } sort(@{$ENV{'form.'.$setting}}));
+ } else {
+ $stored_form =
+ &Apache::lonnet::escape($ENV{'form.'.$setting});
+ }
+ # Determine if the array contents are the same.
+ if ($stored_form ne $ENV{$envname}) {
+ $SaveHash{$basename} = $stored_form;
+ $AppHash{$envname} = $stored_form;
+ }
+ }
+ }
+ }
+ my $put_result = &Apache::lonnet::put('environment',\%SaveHash,
+ $coursedom,
+ $ENV{'course.'.$courseid.'.num'});
+ if ($put_result !~ /^(ok|delayed)/) {
+ &Apache::lonnet::logthis('unable to save form parameters, '.
+ 'got error:'.$put_result);
+ }
+ # Make sure these settings stick around in this session, too
+ &Apache::lonnet::appenv(%AppHash);
+ return;
+}
-specifies header code to not have cache
+sub restore_course_settings {
+ my $courseid = $ENV{'request.course.id'};
+ my ($prefix,$Settings) = @_;
+ while (my ($setting,$type) = each(%$Settings)) {
+ next if (exists($ENV{'form.'.$setting}));
+ my $envname = 'course.'.$courseid.'.env.internal.'.$prefix.
+ '.'.$setting;
+ if (exists($ENV{$envname})) {
+ if ($type eq 'scalar') {
+ $ENV{'form.'.$setting} = $ENV{$envname};
+ } elsif ($type eq 'array') {
+ $ENV{'form.'.$setting} = [
+ map {
+ &Apache::lonnet::unescape($_);
+ } split(',',$ENV{$envname})
+ ];
+ }
+ }
+ }
+}
-=item add_to_env($name,$value)
+############################################################
+############################################################
-adds $name to the %ENV hash with value
-$value, if $name already exists, the entry is converted to an array
-reference and $value is added to the array.
+sub propath {
+ my ($udom,$uname)=@_;
+ $udom=~s/\W//g;
+ $uname=~s/\W//g;
+ my $subdir=$uname.'__';
+ $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
+ my $proname="$Apache::lonnet::perlvar{'lonUsersDir'}/$udom/$subdir/$uname";
+ return $proname;
+}
+
+sub icon {
+ my ($file)=@_;
+ my $curfext = (split(/\./,$file))[-1];
+ my $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/unknown.gif';
+ my $embstyle = &Apache::loncommon::fileembstyle($curfext);
+ if (!(!defined($embstyle) || $embstyle eq 'unk' || $embstyle eq 'hdn')) {
+ if (-e $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
+ $Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
+ $curfext.".gif") {
+ $iconname=$Apache::lonnet::perlvar{'lonIconsURL'}.'/'.
+ $curfext.".gif";
+ }
+ }
+ return $iconname;
+}
+
+=pod
=back
=cut
+
+1;
+__END__;
+