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
@@ -322,41 +436,39 @@ 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,
$middletext,
@@ -405,6 +517,7 @@ function select1_changed() {
// in with the nuclear
for (i=0;i$hashref->{$value}->{'text'}\n";
+ $result.=">".&mt($hashref->{$value}->{'text'})."\n";
}
$result .= " \n";
my %select2 = %{$hashref->{$firstdefault}->{'select2'}};
@@ -428,68 +541,259 @@ END
foreach my $value (sort(keys(%select2))) {
$result.=" $select2{$value} \n";
+ $result.=">".&mt($select2{$value})."\n";
}
$result .= " \n";
# return $debug;
return $result;
} # end of sub linked_select_forms {
-###############################################################
-
=pod
-=item help_open_topic($topic, $stayOnPage, $width, $height)
-
-Returns a string corresponding to an HTML link to the given help $topic, where $topic corresponds to the name of a .tex file in /home/httpd/html/adm/help/tex, with underscores replaced by spaces.
-
-$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.)
+=item * help_open_topic($topic, $text, $stayOnPage, $width, $height)
-$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 $height are optional numerical parameters that will
+override the width and height of the popped up window, which may
+be useful for certain help topics with big pictures included.
=cut
sub help_open_topic {
- my ($topic, $stayOnPage, $width, $height) = @_;
+ my ($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;
$filename =~ s/ /_/g;
- my $template;
+ my $template = "";
+ my $link;
+
+ $topic=~s/\W/\_/g;
if (!$stayOnPage)
{
- $template = <<"ENDTEMPLATE";
-
+ $link = "javascript:void(open('/adm/help/${filename}.hlp', 'Help_for_$topic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
+ }
+ else
+ {
+ $link = "/adm/help/${filename}.hlp";
+ }
+
+ # Add the text
+ if ($text ne "")
+ {
+ $template .=
+ "".
+ "$text ";
+ }
+
+ # Add the graphic
+ my $title = &mt('Online Help');
+ $template .= <<"ENDTEMPLATE";
+
ENDTEMPLATE
+ if ($text ne '') { $template.='
' };
+ 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 ''.
+ $addOther .
+ &Apache::loncommon::help_open_topic("Greek_Symbols",'Greek Symbols',
+ undef,undef,600)
+ .' '.
+ &Apache::loncommon::help_open_topic("Other_Symbols",'Other Symbols',
+ undef,undef,600)
+ .'
';
+}
+
+sub help_open_menu {
+ my ($color,$topic,$component_help,$function,$faq,$bug,$stayOnPage,$width,$height,$text) = @_;
+ $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 = 620 if (not defined $width);
+ $height = 600 if (not defined $height);
+ my $link='';
+ my $title = &mt('Choose your help');
+ my $origurl = $ENV{'REQUEST_URI'};
+ my $timestamp = time;
+ foreach (\$color,\$function,\$topic,\$component_help,\$faq,\$bug,\$origurl) {
+ $$_ = &Apache::lonnet::escape($$_);
+ }
+
+ if (!$stayOnPage) {
+ $link = "javascript:helpMenu('open')";
+ } else {
+ $link = "javascript:helpMenu('display')";
+ }
+ my $banner_link = "/adm/helpmenu?page=banner&color=$color&function=$function&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp&stayonpage=$stayOnPage";
+ my $details_link = "/adm/helpmenu?page=body&color=$color&function=$function&topic=$topic&component_help=$component_help&faq=$faq&bug=$bug&origurl=$origurl&stamp=$timestamp";
+ my $template;
+ if ($text ne "") {
+ $template .=
+ "".
+ "$text ";
+ }
+ $template .= <<"ENDTEMPLATE";
+
+
+ENDTEMPLATE
+ if ($text ne '') { $template.='
' };
+ return $template;
+}
+
+sub help_open_bug {
+ my ($topic, $text, $stayOnPage, $width, $height) = @_;
+ unless ($ENV{'user.adv'}) { return ''; }
+ unless ($Apache::lonnet::perlvar{'BugzillaHost'}) { return ''; }
+ $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 = 600 if (not defined $width);
+ $height = 600 if (not defined $height);
+
+ $topic=~s/\W+/\+/g;
+ my $link='';
+ my $template='';
+ my $url=$Apache::lonnet::perlvar{'BugzillaHost'}.'enter_bug.cgi?product=LON-CAPA&bug_file_loc='.
+ &Apache::lonnet::escape($ENV{'REQUEST_URI'}).'&component='.$topic;
+ if (!$stayOnPage)
+ {
+ $link = "javascript:void(open('$url', 'Bugzilla', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
}
else
{
- $template = <<"ENDTEMPLATE";
-
+ $link = $url;
+ }
+ # Add the text
+ if ($text ne "")
+ {
+ $template .=
+ "".
+ "$text ";
+ }
+
+ # Add the graphic
+ my $title = &mt('Report a Bug');
+ $template .= <<"ENDTEMPLATE";
+
ENDTEMPLATE
+ if ($text ne '') { $template.='
' };
+ return $template;
+
+}
+
+sub help_open_faq {
+ my ($topic, $text, $stayOnPage, $width, $height) = @_;
+ unless ($ENV{'user.adv'}) { return ''; }
+ unless ($Apache::lonnet::perlvar{'FAQHost'}) { return ''; }
+ $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);
+ $topic=~s/\W+/\+/g;
+ my $link='';
+ my $template='';
+ my $url=$Apache::lonnet::perlvar{'FAQHost'}.'/fom/cache/'.$topic.'.html';
+ if (!$stayOnPage)
+ {
+ $link = "javascript:void(open('$url', 'FAQ-O-Matic', 'menubar=0,toolbar=1,scrollbars=1,width=$width,height=$height,resizable=yes'))";
+ }
+ else
+ {
+ $link = $url;
+ }
+
+ # Add the text
+ if ($text ne "")
+ {
+ $template .=
+ "".
+ "$text ";
+ }
+
+ # Add the graphic
+ my $title = &mt('View the FAQ');
+ $template .= <<"ENDTEMPLATE";
+
+ENDTEMPLATE
+ if ($text ne '') { $template.='
' };
return $template;
}
+###############################################################
+###############################################################
+
=pod
-=item csv_translate($text)
+=item * csv_translate($text)
-Translate $text to allow it to be output as a 'comma seperated values'
+Translate $text to allow it to be output as a 'comma separated values'
format.
=cut
+###############################################################
+###############################################################
sub csv_translate {
my $text = shift;
$text =~ s/\"/\"\"/g;
@@ -497,14 +801,156 @@ sub csv_translate {
return $text;
}
+
+###############################################################
+###############################################################
+
+=pod
+
+=item * define_excel_formats
+
+Define some commonly used Excel cell formats.
+
+Currently supported formats:
+
+=over 4
+
+=item header
+
+=item bold
+
+=item h1
+
+=item h2
+
+=item h3
+
+=item date
+
+=back
+
+Inputs: $workbook
+
+Returns: $format, a hash reference.
+
+=cut
+
+###############################################################
+###############################################################
+sub define_excel_formats {
+ my ($workbook) = @_;
+ my $format;
+ $format->{'header'} = $workbook->add_format(bold => 1,
+ bottom => 1,
+ align => 'center');
+ $format->{'bold'} = $workbook->add_format(bold=>1);
+ $format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
+ $format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
+ $format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
+ $format->{'date'} = $workbook->add_format(num_format=>
+ 'mmm d yyyy hh:mm AM/PM');
+ return $format;
+}
+
+###############################################################
+###############################################################
+
+=pod
+
+=item * change_content_javascript():
+
+This and the next function allow you to create small sections of an
+otherwise static HTML page that you can update on the fly with
+Javascript, even in Netscape 4.
+
+The Javascript fragment returned by this function (no EscriptE tag)
+must be written to the HTML page once. It will prove the Javascript
+function "change(name, content)". Calling the change function with the
+name of the section
+you want to update, matching the name passed to C, and
+the new content you want to put in there, will put the content into
+that area.
+
+B: Netscape 4 only reserves enough space for the changable area
+to contain room for the original contents. You need to "make space"
+for whatever changes you wish to make, and be B to check your
+code in Netscape 4. This feature in Netscape 4 is B powerful;
+it's adequate for updating a one-line status display, but little more.
+This script will set the space to 100% width, so you only need to
+worry about height in Netscape 4.
+
+Modern browsers are much less limiting, and if you can commit to the
+user not using Netscape 4, this feature may be used freely with
+pretty much any HTML.
+
+=cut
+
+sub change_content_javascript {
+ # If we're on Netscape 4, we need to use Layer-based code
+ if ($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 ";
+ } else {
+ return "$origContent ";
+ }
+}
+
+=pod
+
+=back
+
+=cut
+
###############################################################
## Home server list generating code ##
###############################################################
-#-------------------------------------------
=pod
-=item get_domains()
+=head1 Home Server option list generating code
+
+=over 4
+
+=item * get_domains()
Returns an array containing each of the domains listed in the hosts.tab
file.
@@ -517,27 +963,134 @@ sub get_domains {
my @domains;
my %seen;
foreach (sort values(%Apache::lonnet::hostdom)) {
- push (@domains,$_) 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,$value,4,%domains);
+ } else {
+ return &select_form($name,$value,%domains);
+ }
+}
+
+sub multiple_select_form {
+ my ($name,$value,$size,%hash)=@_;
+ my %selected = map { $_ => 1 } ref($value)?@{$value}:($value);
+ my $output='';
+ if (! defined($size)) {
+ $size = 4;
+ if (scalar(keys(%hash))<4) {
+ $size = scalar(keys(%hash));
+ }
+ }
+ $output.="\n";
+ foreach (sort(keys(%hash))) {
+ $output.=''.$hash{$_}." \n";
+ }
+ $output.=" \n";
+ return $output;
+}
+
+#-------------------------------------------
+
+=pod
+
+=item * select_form($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,$name)
+=item * select_dom_form($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.
@@ -586,7 +1139,7 @@ returns a string which contains an list generating code ##
+## 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 * $clientos
+
+=back
+
+=back
+
+=cut
+
+###############################################################
+###############################################################
+sub decode_user_agent {
+ my @browsertype=split(/\&/,$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 ##
###############################################################
@@ -610,7 +1238,11 @@ 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.
@@ -620,35 +1252,73 @@ 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 $radioval = "'nochange'";
+ if (exists($in{'curr_authtype'}) &&
+ defined($in{'curr_authtype'}) &&
+ $in{'curr_authtype'} ne '') {
+ $radioval = "'$in{'curr_authtype'}arg'";
+ }
+ 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';
@@ -678,12 +1348,7 @@ 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 = '';
@@ -713,10 +1378,10 @@ 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;
}
@@ -726,12 +1391,10 @@ sub authform_nochange{
kerb_def_dom => 'MSU.EDU',
@_,
);
- my $result='';
- $result.=<<"END";
-
-Do not change login data
-END
+ my $result = &mt('[_1] Do not change login data',
+ ' ');
return $result;
}
@@ -739,17 +1402,38 @@ sub authform_kerberos{
my %in = (
formname => 'document.cu',
kerb_def_dom => 'MSU.EDU',
+ kerb_def_auth => 'krb4',
@_,
);
- my $result='';
- $result.=<<"END";
-
-Kerberos authenticated with domain
-
-END
+ my ($check4,$check5,$krbarg);
+ if ($in{'kerb_def_auth'} eq 'krb5') {
+ $check5 = " checked=\"on\"";
+ } else {
+ $check4 = " checked=\"on\"";
+ }
+ $krbarg = $in{'kerb_def_dom'};
+
+ my $krbcheck = "";
+ if ( grep/^curr_authtype$/,(keys %in) ) {
+ if ($in{'curr_authtype'} =~ m/^krb/) {
+ $krbcheck = " checked=\"on\"";
+ if ( grep/^curr_autharg$/,(keys %in) ) {
+ $krbarg = $in{'curr_autharg'};
+ }
+ }
+ }
+
+ my $jscall = "javascript:changed_radio('krb',$in{'formname'});";
+ my $result .= &mt
+ ('[_1] Kerberos authenticated with domain [_2] '.
+ '[_3] Version 4 [_4] Version 5',
+ ' ',
+ ' ',
+ ' ',
+ ' ');
return $result;
}
@@ -759,15 +1443,25 @@ sub authform_internal{
kerb_def_dom => 'MSU.EDU',
@_,
);
- my $result='';
- $result.=<<"END";
-
-Internally authenticated (with initial password
-
-END
+
+ my $intcheck = "";
+ my $intarg = 'value=""';
+ if ( grep/^curr_authtype$/,(keys %args) ) {
+ if ($args{'curr_authtype'} eq 'int') {
+ $intcheck = " checked=\"on\"";
+ if ( grep/^curr_autharg$/,(keys %args) ) {
+ $intarg = "value=\"$args{'curr_autharg'}\"";
+ }
+ }
+ }
+
+ my $jscall = "javascript:changed_radio('int',$args{'formname'});";
+ my $result.=&mt
+ ('[_1] Internally authenticated (with initial password [_2])',
+ ' ',
+ ' ');
return $result;
}
@@ -777,15 +1471,24 @@ sub authform_local{
kerb_def_dom => 'MSU.EDU',
@_,
);
- my $result='';
- $result.=<<"END";
-
-Local Authentication with argument
-
-END
+
+ my $loccheck = "";
+ my $locarg = 'value=""';
+ if ( grep/^curr_authtype$/,(keys %in) ) {
+ if ($in{'curr_authtype'} eq 'loc') {
+ $loccheck = " checked=\"on\"";
+ if ( grep/^curr_autharg$/,(keys %in) ) {
+ $locarg = "value=\"$in{'curr_autharg'}\"";
+ }
+ }
+ }
+
+ my $jscall = "javascript:changed_radio('loc',$in{'formname'});";
+ my $result.=&mt('[_1] Local Authentication with argument [_2]',
+ ' ',
+ ' ');
return $result;
}
@@ -795,29 +1498,103 @@ sub authform_filesystem{
kerb_def_dom => 'MSU.EDU',
@_,
);
- my $result='';
- $result.=<<"END";
-
-Filesystem authenticated (with initial password
-
-END
+ my $jscall = "javascript:changed_radio('fsys',$in{'formname'});";
+ my $result.= &mt
+ ('[_1] Filesystem Authenticated (with initial password [_2])',
+ ' ',
+ ' ');
return $result;
}
###############################################################
-## End Authentication changing form generation functions ##
+## Get Authentication Defaults for Domain ##
###############################################################
+=pod
+
+=head1 Domains and Authentication
+
+Returns default authentication type and an associated argument as
+listed in file 'domain.tab'.
+
+=over 4
+
+=item * get_auth_defaults
+
+get_auth_defaults($target_domain) returns the default authentication
+type and an associated argument (initial password or a kerberos domain).
+These values are stored in lonTabs/domain.tab
+
+($def_auth, $def_arg) = &get_auth_defaults($target_domain);
+
+If target_domain is not found in domain.tab, returns nothing ('').
+
+=cut
+
+#-------------------------------------------
+sub get_auth_defaults {
+ my $domain=shift;
+ return ($Apache::lonnet::domain_auth_def{$domain},$Apache::lonnet::domain_auth_arg_def{$domain});
+}
+###############################################################
+## End Get Authentication Defaults for Domain ##
+###############################################################
+
+###############################################################
+## Get Kerberos Defaults for Domain ##
+###############################################################
+##
+## Returns default kerberos version and an associated argument
+## as listed in file domain.tab. If not listed, provides
+## appropriate default domain and kerberos version.
+##
+#-------------------------------------------
+
+=pod
+
+=item * get_kerberos_defaults
+
+get_kerberos_defaults($target_domain) returns the default kerberos
+version and domain. If not found in domain.tabs, it defaults to
+version 4 and the domain of the server.
+
+($def_version, $def_krb_domain) = &get_kerberos_defaults($target_domain);
+
+=cut
+
+#-------------------------------------------
+sub get_kerberos_defaults {
+ my $domain=shift;
+ my ($krbdef,$krbdefdom) =
+ &Apache::loncommon::get_auth_defaults($domain);
+ unless ($krbdef =~/^krb/ && $krbdefdom) {
+ $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
+ my $krbdefdom=$1;
+ $krbdefdom=~tr/a-z/A-Z/;
+ $krbdef = "krb4";
+ }
+ return ($krbdef,$krbdefdom);
+}
+
+=pod
+
+=back
+
+=cut
+
###############################################################
## Thesaurus Functions ##
###############################################################
=pod
-=item initialize_keywords
+=head1 Thesaurus Functions
+
+=over 4
+
+=item * initialize_keywords
Initializes the package variable %Keywords if it is empty. Uses the
package variable $thesaurus_db_file.
@@ -838,7 +1615,7 @@ sub initialize_keywords {
# Set up the hash as a database
my %thesaurus_db;
if (! tie(%thesaurus_db,'GDBM_File',
- $thesaurus_db_file,&GDBM_READER,0640)){
+ $thesaurus_db_file,&GDBM_READER(),0640)){
&Apache::lonnet::logthis("Could not tie \%thesaurus_db to ".
$thesaurus_db_file);
return 0;
@@ -862,7 +1639,7 @@ sub initialize_keywords {
=pod
-=item keyword($word)
+=item * keyword($word)
Returns true if $word is a keyword. A keyword is a word that appears more
than the average number of times in the thesaurus database. Calls
@@ -879,59 +1656,13 @@ sub keyword {
return exists($Keywords{$word});
}
-###################################################
-# Old code, to be removed soon #
-###################################################
-# -------------------------------------------------------- Return related words
-#sub related {
-# my $newword=shift;
-# $newword=~s/\W//g;
-# $newword=~tr/A-Z/a-z/;
-# my $tindex=$theindex{$newword};
-# if ($tindex) {
-# my %found=();
-# foreach (split(/\,/,$therelated[$tindex])) {
-## - Related word found
-# my ($ridx,$rcount)=split(/\:/,$_);
-## - Direct relation index
-# my $directrel=$rcount/$thecount[$tindex];
-# if ($directrel>$thethreshold) {
-# foreach (split(/\,/,$therelated[$ridx])) {
-# my ($rridx,$rrcount)=split(/\:/,$_);
-# if ($rridx==$tindex) {
-## - Determine reverse relation index
-# my $revrel=$rrcount/$thecount[$ridx];
-## - Calculate full index
-# $found{$ridx}=$directrel*$revrel;
-# if ($found{$ridx}>$thethreshold) {
-# foreach (split(/\,/,$therelated[$ridx])) {
-# my ($rrridx,$rrrcount)=split(/\:/,$_);
-# unless ($found{$rrridx}) {
-# my $revrevrel=$rrrcount/$thecount[$ridx];
-# if (
-# $directrel*$revrel*$revrevrel>$thethreshold
-# ) {
-# $found{$rrridx}=
-# $directrel*$revrel*$revrevrel;
-# }
-# }
-# }
-# }
-# }
-# }
-# }
-# }
-# }
-# return ();
-#}
-
###############################################################
=pod
-=item get_related_words
+=item * get_related_words
-Look up a word in the thesaurus. Takes a scalar arguement and returns
+Look up a word in the thesaurus. Takes a scalar argument and returns
an array of words. If the keyword is not in the thesaurus, an empty array
will be returned. The order of the words returned is determined by the
database which holds them.
@@ -941,7 +1672,6 @@ Uses global $thesaurus_db_file.
=cut
###############################################################
-
sub get_related_words {
my $keyword = shift;
my %thesaurus_db;
@@ -951,7 +1681,7 @@ sub get_related_words {
return ();
}
if (! tie(%thesaurus_db,'GDBM_File',
- $thesaurus_db_file,&GDBM_READER,0640)){
+ $thesaurus_db_file,&GDBM_READER(),0640)){
return ();
}
my @Words=();
@@ -967,73 +1697,398 @@ sub get_related_words {
return @Words;
}
+=pod
+
+=back
+
+=cut
+
+# -------------------------------------------------------------- Plaintext name
+=pod
+
+=head1 User Name Functions
+
+=over 4
+
+=item * plainname($uname,$udom)
+
+Takes a users logon name and returns it as a string in
+"first middle last generation" form
+
+=cut
+
###############################################################
-## End Thesaurus Functions ##
-###############################################################
+sub plainname {
+ my ($uname,$udom)=@_;
+ my %names=&Apache::lonnet::get('environment',
+ ['firstname','middlename','lastname','generation'],
+ $udom,$uname);
+ my $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
+ $names{'lastname'}.' '.$names{'generation'};
+ $name=~s/\s+$//;
+ $name=~s/\s+/ /g;
+ if ($name !~ /\S/) { $name=$uname.'@'.$udom; }
+ return $name;
+}
+
+# -------------------------------------------------------------------- Nickname
+=pod
+
+=item * nickname($uname,$udom)
+
+Gets a users name and returns it as a string as
+
+""nickname""
+
+if the user has a nickname or
+
+"first middle last generation"
+
+if the user does not
+
+=cut
+
+sub nickname {
+ my ($uname,$udom)=@_;
+ my %names=&Apache::lonnet::get('environment',
+ ['nickname','firstname','middlename','lastname','generation'],$udom,$uname);
+ my $name=$names{'nickname'};
+ if ($name) {
+ $name='"'.$name.'"';
+ } else {
+ $name=$names{'firstname'}.' '.$names{'middlename'}.' '.
+ $names{'lastname'}.' '.$names{'generation'};
+ $name=~s/\s+$//;
+ $name=~s/\s+/ /g;
+ }
+ return $name;
+}
+
+
+# ------------------------------------------------------------------ Screenname
+
+=pod
+
+=item * screenname($uname,$udom)
+
+Gets a users screenname and returns it as a string
+
+=cut
+
+sub screenname {
+ my ($uname,$udom)=@_;
+ my %names=
+ &Apache::lonnet::get('environment',['screenname'],$udom,$uname);
+ return $names{'screenname'};
+}
+
+# ------------------------------------------------------------- Message Wrapper
+
+sub messagewrapper {
+ my ($link,$un,$do)=@_;
+ return
+"$link ";
+}
+# --------------------------------------------------------------- Notes Wrapper
+
+sub noteswrapper {
+ my ($link,$un,$do)=@_;
+ return
+"$link ";
+}
+# ------------------------------------------------------------- Aboutme Wrapper
+
+sub aboutmewrapper {
+ my ($link,$username,$domain,$target)=@_;
+ return "$link ";
+}
+
+# ------------------------------------------------------------ Syllabus Wrapper
+
+
+sub syllabuswrapper {
+ my ($linktext,$coursedir,$domain,$fontcolor)=@_;
+ if ($fontcolor) {
+ $linktext=''.$linktext.' ';
+ }
+ return "$linktext ";
+}
+
+=pod
+
+=back
+
+=head1 Access .tab File Data
+
+=over 4
+
+=item * languageids()
+
+returns list of all language ids
+
+=cut
-# ---------------------------------------------------------------- Language IDs
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').')':'');
+}
+
+sub plainlanguagedescription {
+ my $code=shift;
+ return $language{$code};
}
-# --------------------------------------------------------------- Copyright IDs
+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(@_)});
+}
+
+=pod
+
+=item * source_copyrightids()
+
+returns list of all source copyrights
+
+=cut
+
+sub source_copyrightids {
+ return sort(keys(%scprtag));
+}
+
+=pod
+
+=item * source_copyrightdescription()
+
+returns description of a specified source copyright id
+
+=cut
+
+sub source_copyrightdescription {
+ return &mt($scprtag{shift(@_)});
}
-# ------------------------------------------------------------- File Categories
+=pod
+
+=item * filecategories()
+
+returns list of all file categories
+
+=cut
+
sub filecategories {
return sort(keys(%category_extensions));
}
-# -------------------------------------- File Types within a specified category
+=pod
+
+=item * filecategorytypes()
+
+returns list of file types belonging to a given file
+category
+
+=cut
+
sub filecategorytypes {
return @{$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,$value)=@_;
+ return &select_form($value,$name,
+ '' => &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(@_))};
+ my $file_description = $fd{lc(shift())};
+ $file_description =~ s:([\[\]]):~$1:g;
+ return &mt($file_description);
}
-# ------------------------------------------------------------ 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)};
+ my $file_description = $fd{lc($ex)};
+ $file_description =~ s:([\[\]]):~$1:g;
+ return '.'.$ex.' '.&mt($file_description);
}
-# ---- 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.
+# End of .tab access
+=pod
+
+=back
+
+=cut
+
+# ------------------------------------------------------------------ File Types
+sub fileextensions {
+ return sort(keys(%fe));
+}
+
+# ----------------------------------------------------------- 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 ($ENV{'course.'.$ENV{'request.course.id'}.'.languages'}) {
+ @languages=(@languages,split(/\s*(\,|\;|\:)\s*/,
+ $ENV{'course.'.$ENV{'request.course.id'}.'.languages'}));
+ }
+ if ($ENV{'environment.languages'}) {
+ @languages=split(/\s*(\,|\;|\:)\s*/,$ENV{'environment.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='';
@@ -1075,7 +2130,7 @@ sub get_previous_attempt {
} else {
$value=$returnhash{$version.':'.$_};
}
- $prevattempts.=''.$value.' ';
+ $prevattempts.=''.&Apache::lonnet::unescape($value).' ';
}
}
}
@@ -1087,7 +2142,8 @@ sub get_previous_attempt {
} else {
$value=$lasthash{$_};
}
- if ($_ =~/$regexp$/) {$value = &$gradesub($value)}
+ $value=&Apache::lonnet::unescape($value);
+ if ($_ =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
$prevattempts.=''.$value.' ';
}
$prevattempts.=' ';
@@ -1099,21 +2155,63 @@ sub get_previous_attempt {
}
}
+sub relative_to_absolute {
+ my ($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,$courseid) = @_;
- my ($map,$id,$feedurl) = split(/___/,$symb);
- my (%old,%moreenv);
+ my ($symb,$username,$domain,$courseid,$target,$moreenv) = @_;
+ my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
+ my (%form);
my @elements=('symb','courseid','domain','username');
foreach my $element (@elements) {
- $old{$element}=$ENV{'form.grade_'.$element};
- $moreenv{'form.grade_'.$element}=eval '$'.$element #'
+ $form{'grade_'.$element}=eval '$'.$element #'
}
- &Apache::lonnet::appenv(%moreenv);
- my $userview=&Apache::lonnet::ssi('/res/'.$feedurl);
- &Apache::lonnet::delenv('form.grade_');
- foreach my $element (@elements) {
- $ENV{'form.grade_'.$element}=$old{$element};
+ if (defined($moreenv)) {
+ %form=(%form,%{$moreenv});
}
+ if ($target eq 'tex') {$form{'grade_target'} = 'tex';}
+ $feedurl=&Apache::lonnet::clutter($feedurl);
+ my $userview=&Apache::lonnet::ssi_body($feedurl,%form);
$userview=~s/\]*\>//gi;
$userview=~s/\<\/body\>//gi;
$userview=~s/\//gi;
@@ -1121,32 +2219,443 @@ 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(/___/,$symb);
- my (%old,%moreenv);
+ my ($symb,$username,$domain,$courseid,%form) = @_;
+ my ($map,$id,$feedurl) = &Apache::lonnet::decode_symb($symb);
+ my (%moreenv);
my @elements=('symb','courseid','domain','username');
foreach my $element (@elements) {
- $old{$element}=$ENV{'form.grade_'.$element};
- $moreenv{'form.grade_'.$element}=eval '$'.$element #'
- }
- $moreenv{'form.grade_target'}='answer';
- &Apache::lonnet::appenv(%moreenv);
- my $userview=&Apache::lonnet::ssi('/res/'.$feedurl);
- &Apache::lonnet::delenv('form.grade_');
- foreach my $element (@elements) {
- $ENV{'form.grade_'.$element}=$old{$element};
+ $moreenv{'grade_'.$element}=eval '$'.$element #'
}
+ $moreenv{'grade_target'}='answer';
+ %moreenv=(%form,%moreenv);
+ my $userview=&Apache::lonnet::ssi('/res/'.$feedurl,%moreenv);
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
+
+###############################################
+
+
+sub timehash {
+ my @ltime=localtime(shift);
+ return ( 'seconds' => $ltime[0],
+ 'minutes' => $ltime[1],
+ 'hours' => $ltime[2],
+ 'day' => $ltime[3],
+ 'month' => $ltime[4]+1,
+ 'year' => $ltime[5]+1900,
+ 'weekday' => $ltime[6],
+ 'dayyear' => $ltime[7]+1,
+ 'dlsav' => $ltime[8] );
+}
+
+sub maketime {
+ my %th=@_;
+ return POSIX::mktime(
+ ($th{'seconds'},$th{'minutes'},$th{'hours'},
+ $th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,$th{'dlsav'}));
+}
+
+#########################################
+
+sub findallcourses {
+ my %courses=();
+ my $now=time;
+ foreach (keys %ENV) {
+ if ($_=~/^user\.role\.\w+\.\/(\w+)\/(\w+)/) {
+ my ($starttime,$endtime)=$ENV{$_};
+ my $active=1;
+ if ($starttime) {
+ if ($now<$starttime) { $active=0; }
+ }
+ if ($endtime) {
+ if ($now>$endtime) { $active=0; }
+ }
+ if ($active) { $courses{$1.'_'.$2}=1; }
+ }
+ }
+ return keys %courses;
+}
+
+###############################################
+###############################################
+
+=pod
+
+=head1 Domain Template Functions
+
+=over 4
+
+=item * &determinedomain()
+
+Inputs: $domain (usually will be undef)
+
+Returns: Determines which domain should be used for designs
+
+=cut
+
+###############################################
+sub determinedomain {
+ my $domain=shift;
+ if (! $domain) {
+ # Determine domain if we have not been given one
+ $domain = $Apache::lonnet::perlvar{'lonDefDomain'};
+ if ($ENV{'user.domain'}) { $domain=$ENV{'user.domain'}; }
+ if ($ENV{'request.role.domain'}) {
+ $domain=$ENV{'request.role.domain'};
+ }
+ }
+ return $domain;
+}
+###############################################
+=pod
+
+=item * &domainlogo()
+
+Inputs: $domain (usually will be undef)
+
+Returns: A link to a domain logo, if the domain logo exists.
+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') {
+ my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
+ if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
+ return ' ';
+ } elsif(exists($Apache::lonnet::domaindescription{$domain})) {
+ return $Apache::lonnet::domaindescription{$domain};
+ } else {
+ return '';
+ }
+}
+##############################################
+
+=pod
+
+=item * &designparm()
+
+Inputs: $which parameter; $domain (usually will be undef)
+
+Returns: value of designparamter $which
+
+=cut
+
+##############################################
+sub designparm {
+ my ($which,$domain)=@_;
+ if ($ENV{'browser.blackwhite'} eq 'on') {
+ if ($which=~/\.(font|alink|vlink|link)$/) {
+ return '#000000';
+ }
+ if ($which=~/\.(pgbg|sidebg)$/) {
+ return '#FFFFFF';
+ }
+ if ($which=~/\.tabbg$/) {
+ return '#CCCCCC';
+ }
+ }
+ if ($ENV{'environment.color.'.$which}) {
+ return $ENV{'environment.color.'.$which};
+ }
+ $domain=&determinedomain($domain);
+ if ($designhash{$domain.'.'.$which}) {
+ return $designhash{$domain.'.'.$which};
+ } else {
+ return $designhash{'default.'.$which};
+ }
+}
+
+###############################################
+###############################################
+
+=pod
+
+=back
+
+=head1 HTTP Helpers
+
+=over 4
+
+=item * &bodytag()
+
+Returns a uniform header for LON-CAPA web pages.
+
+Inputs:
+
+=over 4
+
+=item * $title, A title to be displayed on the page.
+
+=item * $function, the current role (can be undef).
+
+=item * $addentries, extra parameters for the tag.
+
+=item * $bodyonly, if defined, only return the tag.
+
+=item * $domain, if defined, force a given domain.
+
+=item * $forcereg, if page should register as content page (relevant for
+ text interface only)
+
+=back
+
+Returns: A uniform header for LON-CAPA web pages.
+If $bodyonly is nonzero, a string containing a tag will be returned.
+If $bodyonly is undef or zero, an html string containing a tag and
+other decorations will be returned.
+
+=cut
+
+sub bodytag {
+ my ($title,$function,$addentries,$bodyonly,$domain,$forcereg)=@_;
+ $title=&mt($title);
+ $function = &get_users_function() if (!$function);
+ my $img=&designparm($function.'.img',$domain);
+ my $pgbg=&designparm($function.'.pgbg',$domain);
+ my $tabbg=&designparm($function.'.tabbg',$domain);
+ my $font=&designparm($function.'.font',$domain);
+ my $link=&designparm($function.'.link',$domain);
+ my $alink=&designparm($function.'.alink',$domain);
+ my $vlink=&designparm($function.'.vlink',$domain);
+ my $sidebg=&designparm($function.'.sidebg',$domain);
+# Accessibility font enhance
+ unless ($addentries) { $addentries=''; }
+ my $addstyle='';
+ if ($ENV{'browser.fontenhance'} eq 'on') {
+ $addstyle=' font-size: x-large;';
+ }
+ # role and realm
+ my ($role,$realm)
+ =&Apache::lonnet::plaintext((split(/\./,$ENV{'request.role'}))[0]);
+# realm
+ if ($ENV{'request.course.id'}) {
+ $realm=
+ $ENV{'course.'.$ENV{'request.course.id'}.'.description'};
+ }
+ unless ($realm) { $realm=' '; }
+# Set messages
+ my $messages=&domainlogo($domain);
+# Port for miniserver
+ my $lonhttpdPort=$Apache::lonnet::perlvar{'lonhttpdPort'};
+ if (!defined($lonhttpdPort)) { $lonhttpdPort='8080'; }
+# construct main body tag
+ my $bodytag = <
+h1, h2, h3, th { font-family: Arial, Helvetica, sans-serif }
+a:focus { color: red; background: yellow }
+
+
+END
+ my $upperleft=' ';
+ if ($bodyonly) {
+ return $bodytag;
+ } elsif ($ENV{'browser.interface'} eq 'textual') {
+# Accessibility
+ return $bodytag.&Apache::lonmenu::menubuttons($forcereg,'web',
+ $forcereg).
+ 'LON-CAPA: '.$title.' ';
+ } elsif ($ENV{'environment.remote'} eq 'off') {
+# No Remote
+ return $bodytag.&Apache::lonmenu::menubuttons($forcereg,'web',
+ $forcereg).
+ '';
+ }
+
+#
+# Top frame rendering, Remote is up
+#
+ return(<
+
+$upperleft
+$messages
+
+
+
+ $title
+
+
+ $ENV{'environment.firstname'}
+ $ENV{'environment.middlename'}
+ $ENV{'environment.lastname'}
+ $ENV{'environment.generation'}
+
+
+
+
+$role
+
+
+$realm
+
+ENDBODY
+}
+
###############################################
+=pod
+
+=item get_users_function
+
+Used by &bodytag to determine the current users primary role.
+Returns either 'student','coordinator','admin', or 'author'.
+
+=cut
+
+###############################################
+sub get_users_function {
+ my $function = 'student';
+ if ($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';
+ }
+ return $function;
+}
+
###############################################
+sub get_posted_cgi {
+ my $r=shift;
+
+ my $buffer;
+
+ $r->read($buffer,$r->header_in('Content-length'),0);
+ unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) {
+ my @pairs=split(/&/,$buffer);
+ my $pair;
+ foreach $pair (@pairs) {
+ my ($name,$value) = split(/=/,$pair);
+ $value =~ tr/+/ /;
+ $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
+ $name =~ tr/+/ /;
+ $name =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
+ &add_to_env("form.$name",$value);
+ }
+ } else {
+ my $contentsep=$1;
+ my @lines = split (/\n/,$buffer);
+ my $name='';
+ my $value='';
+ my $fname='';
+ my $fmime='';
+ my $i;
+ for ($i=0;$i<=$#lines;$i++) {
+ if ($lines[$i]=~/^$contentsep/) {
+ if ($name) {
+ chomp($value);
+ if ($fname) {
+ $ENV{"form.$name.filename"}=$fname;
+ $ENV{"form.$name.mimetype"}=$fmime;
+ } else {
+ $value=~s/\s+$//s;
+ }
+ &add_to_env("form.$name",$value);
+ }
+ if ($i<$#lines) {
+ $i++;
+ $lines[$i]=~
+ /Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i;
+ $name=$1;
+ $value='';
+ if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) {
+ $fname=$1;
+ if
+ ($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) {
+ $fmime=$1;
+ $i++;
+ } else {
+ $fmime='';
+ }
+ } else {
+ $fname='';
+ $fmime='';
+ }
+ $i++;
+ }
+ } else {
+ $value.=$lines[$i]."\n";
+ }
+ }
+ }
+ $ENV{'request.method'}=$ENV{'REQUEST_METHOD'};
+ $r->method_number(M_GET);
+ $r->method('GET');
+ $r->headers_in->unset('Content-length');
+}
+
+=pod
+
+=item * get_unprocessed_cgi($query,$possible_names)
+
+Modify the %ENV hash to contain unprocessed CGI form parameters held in
+$query. The parameters listed in $possible_names (an array reference),
+will be set in $ENV{'form.name'} if they do not already exist.
+
+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 $ENV{'form.udom'} being set.
+
+=cut
+
sub get_unprocessed_cgi {
my ($query,$possible_names)= @_;
# $Apache::lonxml::debug=1;
@@ -1162,6 +2671,14 @@ sub get_unprocessed_cgi {
}
}
+=pod
+
+=item * cacheheader()
+
+returns cache-controlling header code
+
+=cut
+
sub cacheheader {
unless ($ENV{'request.method'} eq 'GET') { return ''; }
my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime);
@@ -1171,6 +2688,14 @@ sub cacheheader {
return $output;
}
+=pod
+
+=item * no_cache($r)
+
+specifies header code to not have cache
+
+=cut
+
sub no_cache {
my ($r) = @_;
unless ($ENV{'request.method'} eq 'GET') { return ''; }
@@ -1180,6 +2705,29 @@ sub no_cache {
#$r->header_out("Expires" => $date);
}
+sub content_type {
+ my ($r,$type,$charset) = @_;
+ unless ($charset) {
+ $charset=&Apache::lonlocal::current_encoding;
+ }
+ if ($charset) { $type.='; charset='.$charset; }
+ if ($r) {
+ $r->content_type($type);
+ } else {
+ print("Content-type: $type\n\n");
+ }
+}
+
+=pod
+
+=item * add_to_env($name,$value)
+
+adds $name to the %ENV hash with value
+$value, if $name already exists, the entry is converted to an array
+reference and $value is added to the array.
+
+=cut
+
sub add_to_env {
my ($name,$value)=@_;
if (defined($ENV{$name})) {
@@ -1199,13 +2747,39 @@ sub add_to_env {
=pod
+=item * get_env_multiple($name)
+
+gets $name from the %ENV hash, it seemlessly handles the cases where multiple
+values may be defined and end up as an array ref.
+
+returns an array of values
+
+=cut
+
+sub get_env_multiple {
+ my ($name) = @_;
+ my @values;
+ if (defined($ENV{$name})) {
+ # exists is it an array
+ if (ref($ENV{$name})) {
+ @values=@{ $ENV{$name} };
+ } else {
+ $values[0]=$ENV{$name};
+ }
+ }
+ return(@values);
+}
+
+
+=pod
+
=back
-=head2 CSV Upload/Handling functions
+=head1 CSV Upload/Handling functions
=over 4
-=item upfile_store($r)
+=item * upfile_store($r)
Store uploaded file, $r should be the HTTP Request object,
needs $ENV{'form.upfile'}
@@ -1223,14 +2797,19 @@ sub upfile_store {
my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}.
'_enroll_'.$ENV{'request.course.id'}.'_'.time.'_'.$$;
{
- my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons').
- '/tmp/'.$datatoken.'.tmp');
- print $fh $ENV{'form.upfile'};
+ my $datafile = $r->dir_config('lonDaemons').
+ '/tmp/'.$datatoken.'.tmp';
+ if ( open(my $fh,">$datafile") ) {
+ print $fh $ENV{'form.upfile'};
+ close($fh);
+ }
}
return $datatoken;
}
-=item load_tmp_file($r)
+=pod
+
+=item * load_tmp_file($r)
Load uploaded file from tmp, $r should be the HTTP Request object,
needs $ENV{'form.datatoken'},
@@ -1242,16 +2821,19 @@ sub load_tmp_file {
my $r=shift;
my @studentdata=();
{
- my $fh;
- if ($fh=Apache::File->new($r->dir_config('lonDaemons').
- '/tmp/'.$ENV{'form.datatoken'}.'.tmp')) {
- @studentdata=<$fh>;
- }
+ my $studentfile = $r->dir_config('lonDaemons').
+ '/tmp/'.$ENV{'form.datatoken'}.'.tmp';
+ if ( open(my $fh,"<$studentfile") ) {
+ @studentdata=<$fh>;
+ close($fh);
+ }
}
$ENV{'form.upfile'}=join('',@studentdata);
}
-=item upfile_record_sep()
+=pod
+
+=item * upfile_record_sep()
Separate uploaded file into records
returns array of records,
@@ -1266,7 +2848,9 @@ sub upfile_record_sep {
}
}
-=item record_sep($record)
+=pod
+
+=item * record_sep($record)
Separate a record into fields $record should be an item from the upfile_record_sep(), needs $ENV{'form.upfiletype'}
@@ -1287,7 +2871,7 @@ sub record_sep {
}
} elsif ($ENV{'form.upfiletype'} eq 'tab') {
my $i=0;
- foreach (split(/\t+/,$record)) {
+ foreach (split(/\t/,$record)) {
my $field=$_;
$field=~s/^(\"|\')//;
$field=~s/(\"|\')$//;
@@ -1316,25 +2900,42 @@ sub record_sep {
return %components;
}
-=item upfile_select_html()
+######################################################
+######################################################
+
+=pod
+
+=item * upfile_select_html()
-return HTML code to select file and specify its type
+Return HTML code to select a file from the users machine and specify
+the file type.
=cut
+######################################################
+######################################################
sub upfile_select_html {
- return (<<'ENDUPFORM');
-
- Type:
-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 = ' '.
+ ' Type: ';
+ foreach my $type (sort(keys(%Types))) {
+ $Str .= ''.$Types{$type}." \n";
+ }
+ $Str .= " \n";
+ return $Str;
}
-=item csv_print_samples($r,$records)
+######################################################
+######################################################
+
+=pod
+
+=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
@@ -1342,15 +2943,18 @@ 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('');
@@ -1364,30 +2968,42 @@ sub csv_print_samples {
$r->print('
'."\n");
}
-=item csv_print_select_table($r,$records,$d)
+######################################################
+######################################################
+
+=pod
+
+=item * csv_print_select_table($r,$records,$d)
Prints a table to create associations between values and table columns.
+
$r is an Apache Request ref,
$records is an arrayref from &Apache::loncommon::upfile_record_sep,
-$d is an array of 2 element arrays (internal name, displayed name)
+$d is an array of 2 element arrays (internal name, displayed name,defaultcol)
=cut
+######################################################
+######################################################
sub csv_print_select_table {
my ($r,$records,$d) = @_;
my $i=0;my %sone;
%sone=&record_sep($$records[0]);
- $r->print('Associate columns with student attributes.'."\n".
- 'Attribute Column '."\n");
+ $r->print(&mt('Associate columns with student attributes.')."\n".
+ ''.
+ ''.&mt('Attribute').' '.
+ ''.&mt('Column').' '."\n");
foreach (@$d) {
- my ($value,$display)=@{ $_ };
+ my ($value,$display,$defaultcol)=@{ $_ };
$r->print(''.$display.' ');
$r->print('');
$r->print(' ');
foreach (sort({$a <=> $b} keys(%sone))) {
- $r->print('Column '.($_+1).' ');
+ $r->print('Column '.($_+1).' ');
}
$r->print(' '."\n");
$i++;
@@ -1396,7 +3012,12 @@ sub csv_print_select_table {
return $i;
}
-=item csv_samples_select_table($r,$records,$d)
+######################################################
+######################################################
+
+=pod
+
+=item * csv_samples_select_table($r,$records,$d)
Prints a table of sample values from the upload and can make associate samples to internal names.
@@ -1406,22 +3027,27 @@ $d is an array of 2 element arrays (inte
=cut
+######################################################
+######################################################
sub csv_samples_select_table {
my ($r,$records,$d) = @_;
my %sone; my %stwo; my %sthree;
my $i=0;
-
- $r->print('Field Samples ');
+ #
+ $r->print(''.
+ &mt('Field').' '.&mt('Samples').' ');
%sone=&record_sep($$records[0]);
if (defined($$records[1])) {%stwo=&record_sep($$records[1]);}
if (defined($$records[2])) {%sthree=&record_sep($$records[2]);}
-
+ #
foreach (sort keys %sone) {
- $r->print('print('');
foreach (@$d) {
- my ($value,$display)=@{ $_ };
- $r->print(''.$display.' ');
+ my ($value,$display,$defaultcol)=@{ $_ };
+ $r->print(''.
+ $display.' ');
}
$r->print(' ');
if (defined($sone{$_})) { $r->print($sone{$_}."\n"); }
@@ -1433,104 +3059,587 @@ 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 tag for the plot.
+The bars on the plot are labeled '1','2',...,'n'.
+
+Inputs:
+
+=over 4
+
+=item $Title: string, the title of the plot
+
+=item $xlabel: string, text describing the X-axis of the plot
+
+=item $ylabel: string, text describing the Y-axis of the plot
+
+=item $Max: scalar, the maximum Y value to use in the plot
+If $Max is < any data point, the graph will not be rendered.
+
+=item $colors: array ref holding the colors to be used for the data sets when
+they are plotted. If undefined, default values will be used.
+
+=item $labels: array ref holding the labels to use on the x-axis for the bars.
+
+=item @Values: An array of array references. Each array reference holds data
+to be plotted in a stacked bar chart.
+
=back
-=head2 Access .tab File Data
+Returns:
+
+An tag which references graph.png and the appropriate identifying
+information for the plot.
+
+=cut
+
+############################################################
+############################################################
+sub DrawBarGraph {
+ my ($Title,$xlabel,$ylabel,$Max,$colors,$labels,@Values)=@_;
+ #
+ if (! defined($colors)) {
+ $colors = ['#33ff00',
+ '#0033cc', '#990000', '#aaaa66', '#663399', '#ff9933',
+ '#66ccff', '#ff9999', '#cccc33', '#660000', '#33cc66',
+ ];
+ }
+ #
+ my $identifier = &get_cgi_id();
+ my $id = 'cgi.'.$identifier;
+ if (! @Values || ref($Values[0]) ne 'ARRAY') {
+ return '';
+ }
+ my $NumBars = scalar(@{$Values[0]});
+ my %ValuesHash;
+ my $NumSets=1;
+ foreach my $array (@Values) {
+ next if (! ref($array));
+ $ValuesHash{$id.'.data.'.$NumSets++} =
+ join(',',@$array);
+ }
+ #
+ my ($height,$width,$xskip,$bar_width) = (200,120,1,15);
+ if ($NumBars < 10) {
+ $width = 120+$NumBars*15;
+ $xskip = 1;
+ $bar_width = 15;
+ } elsif ($NumBars <= 25) {
+ $width = 120+$NumBars*11;
+ $xskip = 5;
+ $bar_width = 8;
+ } elsif ($NumBars <= 50) {
+ $width = 120+$NumBars*8;
+ $xskip = 5;
+ $bar_width = 4;
+ } else {
+ $width = 120+$NumBars*8;
+ $xskip = 5;
+ $bar_width = 4;
+ }
+ #
+ my @Labels;
+ if (defined($labels)) {
+ @Labels = @$labels;
+ } else {
+ for (my $i=0;$i<@{$Values[0]};$i++) {
+ push (@Labels,$i+1);
+ }
+ }
+ #
+ $Max = 1 if ($Max < 1);
+ if ( int($Max) < $Max ) {
+ $Max++;
+ $Max = int($Max);
+ }
+ $Title = '' if (! defined($Title));
+ $xlabel = '' if (! defined($xlabel));
+ $ylabel = '' if (! defined($ylabel));
+ $ValuesHash{$id.'.title'} = &Apache::lonnet::escape($Title);
+ $ValuesHash{$id.'.xlabel'} = &Apache::lonnet::escape($xlabel);
+ $ValuesHash{$id.'.ylabel'} = &Apache::lonnet::escape($ylabel);
+ $ValuesHash{$id.'.y_max_value'} = $Max;
+ $ValuesHash{$id.'.NumBars'} = $NumBars;
+ $ValuesHash{$id.'.NumSets'} = $NumSets;
+ $ValuesHash{$id.'.PlotType'} = 'bar';
+ $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
+ $ValuesHash{$id.'.height'} = $height;
+ $ValuesHash{$id.'.width'} = $width;
+ $ValuesHash{$id.'.xskip'} = $xskip;
+ $ValuesHash{$id.'.bar_width'} = $bar_width;
+ $ValuesHash{$id.'.labels'} = join(',',@Labels);
+ #
+ &Apache::lonnet::appenv(%ValuesHash);
+ return ' ';
+}
+
+############################################################
+############################################################
+
+=pod
+
+=item DrawXYGraph
+
+Facilitates the plotting of data in an XY graph.
+Puts plot definition data into the users environment in order for
+graph.png to plot it. Returns an tag for the plot.
+
+Inputs:
=over 4
-=item languageids()
+=item $Title: string, the title of the plot
-returns list of all language ids
+=item $xlabel: string, text describing the X-axis of the plot
-=item languagedescription()
+=item $ylabel: string, text describing the Y-axis of the plot
-returns description of a specified language id
+=item $Max: scalar, the maximum Y value to use in the plot
+If $Max is < any data point, the graph will not be rendered.
-=item copyrightids()
+=item $colors: Array ref containing the hex color codes for the data to be
+plotted in. If undefined, default values will be used.
-returns list of all copyrights
+=item $Xlabels: Array ref containing the labels to be used for the X-axis.
-=item copyrightdescription()
+=item $Ydata: Array ref containing Array refs.
+Each of the contained arrays will be plotted as a separate curve.
-returns description of a specified copyright id
+=item %Values: hash indicating or overriding any default values which are
+passed to graph.png.
+Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
-=item filecategories()
+=back
-returns list of all file categories
+Returns:
-=item filecategorytypes()
+An tag which references graph.png and the appropriate identifying
+information for the plot.
-returns list of file types belonging to a given file
-category
+=cut
-=item fileembstyle()
+############################################################
+############################################################
+sub DrawXYGraph {
+ my ($Title,$xlabel,$ylabel,$Max,$colors,$Xlabels,$Ydata,%Values)=@_;
+ #
+ # Create the identifier for the graph
+ my $identifier = &get_cgi_id();
+ my $id = 'cgi.'.$identifier;
+ #
+ $Title = '' if (! defined($Title));
+ $xlabel = '' if (! defined($xlabel));
+ $ylabel = '' if (! defined($ylabel));
+ my %ValuesHash =
+ (
+ $id.'.title' => &Apache::lonnet::escape($Title),
+ $id.'.xlabel' => &Apache::lonnet::escape($xlabel),
+ $id.'.ylabel' => &Apache::lonnet::escape($ylabel),
+ $id.'.y_max_value'=> $Max,
+ $id.'.labels' => join(',',@$Xlabels),
+ $id.'.PlotType' => 'XY',
+ );
+ #
+ if (defined($colors) && ref($colors) eq 'ARRAY') {
+ $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
+ }
+ #
+ if (! ref($Ydata) || ref($Ydata) ne 'ARRAY') {
+ return '';
+ }
+ my $NumSets=1;
+ foreach my $array (@{$Ydata}){
+ next if (! ref($array));
+ $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
+ }
+ $ValuesHash{$id.'.NumSets'} = $NumSets-1;
+ #
+ # Deal with other parameters
+ while (my ($key,$value) = each(%Values)) {
+ $ValuesHash{$id.'.'.$key} = $value;
+ }
+ #
+ &Apache::lonnet::appenv(%ValuesHash);
+ return ' ';
+}
-returns embedding style for a specified file type
+############################################################
+############################################################
-=item filedescription()
+=pod
-returns description for a specified file type
+=item DrawXYYGraph
-=item filedescriptionex()
+Facilitates the plotting of data in an XY graph with two Y axes.
+Puts plot definition data into the users environment in order for
+graph.png to plot it. Returns an tag for the plot.
-returns description for a specified file type with
-extra formatting
+Inputs:
+
+=over 4
+
+=item $Title: string, the title of the plot
+
+=item $xlabel: string, text describing the X-axis of the plot
+
+=item $ylabel: string, text describing the Y-axis of the plot
+
+=item $colors: Array ref containing the hex color codes for the data to be
+plotted in. If undefined, default values will be used.
+
+=item $Xlabels: Array ref containing the labels to be used for the X-axis.
+
+=item $Ydata1: The first data set
+
+=item $Min1: The minimum value of the left Y-axis
+
+=item $Max1: The maximum value of the left Y-axis
+
+=item $Ydata2: The second data set
+
+=item $Min2: The minimum value of the right Y-axis
+
+=item $Max2: The maximum value of the left Y-axis
+
+=item %Values: hash indicating or overriding any default values which are
+passed to graph.png.
+Possible values are: width, xskip, x_ticks, x_tick_offset, among others.
=back
-=head2 Alternate Problem Views
+Returns:
+
+An tag which references graph.png and the appropriate identifying
+information for the plot.
+
+=cut
+
+############################################################
+############################################################
+sub DrawXYYGraph {
+ my ($Title,$xlabel,$ylabel,$colors,$Xlabels,$Ydata1,$Min1,$Max1,
+ $Ydata2,$Min2,$Max2,%Values)=@_;
+ #
+ # Create the identifier for the graph
+ my $identifier = &get_cgi_id();
+ my $id = 'cgi.'.$identifier;
+ #
+ $Title = '' if (! defined($Title));
+ $xlabel = '' if (! defined($xlabel));
+ $ylabel = '' if (! defined($ylabel));
+ my %ValuesHash =
+ (
+ $id.'.title' => &Apache::lonnet::escape($Title),
+ $id.'.xlabel' => &Apache::lonnet::escape($xlabel),
+ $id.'.ylabel' => &Apache::lonnet::escape($ylabel),
+ $id.'.labels' => join(',',@$Xlabels),
+ $id.'.PlotType' => 'XY',
+ $id.'.NumSets' => 2,
+ $id.'.two_axes' => 1,
+ $id.'.y1_max_value' => $Max1,
+ $id.'.y1_min_value' => $Min1,
+ $id.'.y2_max_value' => $Max2,
+ $id.'.y2_min_value' => $Min2,
+ );
+ #
+ if (defined($colors) && ref($colors) eq 'ARRAY') {
+ $ValuesHash{$id.'.Colors'} = join(',',@{$colors});
+ }
+ #
+ if (! ref($Ydata1) || ref($Ydata1) ne 'ARRAY' ||
+ ! ref($Ydata2) || ref($Ydata2) ne 'ARRAY'){
+ return '';
+ }
+ my $NumSets=1;
+ foreach my $array ($Ydata1,$Ydata2){
+ next if (! ref($array));
+ $ValuesHash{$id.'.data.'.$NumSets++} = join(',',@$array);
+ }
+ #
+ # Deal with other parameters
+ while (my ($key,$value) = each(%Values)) {
+ $ValuesHash{$id.'.'.$key} = $value;
+ }
+ #
+ &Apache::lonnet::appenv(%ValuesHash);
+ return ' ';
+}
+
+############################################################
+############################################################
+
+=pod
+
+=back
+
+=head1 Statistics helper routines?
+
+Bad place for them but what the hell.
=over 4
-=item get_previous_attempt()
+=item &chartlink
-return string with previous attempt on problem
+Returns a link to the chart for a specific student.
-=item get_student_view()
+Inputs:
-show a snapshot of what student was looking at
+=over 4
-=item get_student_answers()
+=item $linktext: The text of the link
-show a snapshot of how student was answering problem
+=item $sname: The students username
+
+=item $sdomain: The students domain
+
+=back
=back
-=head2 HTTP Helper
+=cut
+
+############################################################
+############################################################
+sub chartlink {
+ my ($linktext, $sname, $sdomain) = @_;
+ my $link = ''.$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.
-=item cacheheader()
+Inputs:
+a scalar describing the data (e.g. 'chart', 'problem_analysis')
+
+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 nocache()
+#######################################################
+#######################################################
+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 $basename = 'internal.'.$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.'.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__;
+