--- loncom/interface/loncommon.pm 2005/06/30 17:56:28 1.268
+++ loncom/interface/loncommon.pm 2006/05/01 20:48:55 1.359
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# a pile of common routines
#
-# $Id: loncommon.pm,v 1.268 2005/06/30 17:56:28 albertel Exp $
+# $Id: loncommon.pm,v 1.359 2006/05/01 20:48:55 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -58,10 +58,12 @@ use strict;
use Apache::lonnet;
use GDBM_File;
use POSIX qw(strftime mktime);
-use Apache::Constants qw(:common :http :methods);
use Apache::lonmenu();
use Apache::lonlocal;
use HTML::Entities;
+use Apache::lonhtmlcommon();
+use Apache::loncoursedata();
+use Apache::lontexconvert();
my $readit;
@@ -74,7 +76,7 @@ my %language;
my %supported_language;
my %cprtag;
my %scprtag;
-my %fe; my %fd;
+my %fe; my %fd; my %fm;
my %category_extensions;
# ---------------------------------------------- Designs
@@ -105,10 +107,10 @@ BEGIN {
my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
'/language.tab';
if ( open(my $fh,"<$langtabfile") ) {
- while (<$fh>) {
- next if /^\#/;
- chomp;
- my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$_));
+ while (my $line = <$fh>) {
+ next if ($line=~/^\#/);
+ chomp($line);
+ my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$line));
$language{$key}=$val.' - '.$enc;
if ($sup) {
$supported_language{$key}=$sup;
@@ -122,24 +124,24 @@ BEGIN {
my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
'/copyright.tab';
if ( open (my $fh,"<$copyrightfile") ) {
- while (<$fh>) {
- next if /^\#/;
- chomp;
- my ($key,$val)=(split(/\s+/,$_,2));
+ while (my $line = <$fh>) {
+ next if ($line=~/^\#/);
+ chomp($line);
+ my ($key,$val)=(split(/\s+/,$line,2));
$cprtag{$key}=$val;
}
close($fh);
}
}
-# ------------------------------------------------------------------ source copyrights
+# ----------------------------------------------------------- source copyrights
{
my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
'/source_copyright.tab';
if ( open (my $fh,"<$sourcecopyrightfile") ) {
- while (<$fh>) {
- next if /^\#/;
- chomp;
- my ($key,$val)=(split(/\s+/,$_,2));
+ while (my $line = <$fh>) {
+ next if ($line =~ /^\#/);
+ chomp($line);
+ my ($key,$val)=(split(/\s+/,$line,2));
$scprtag{$key}=$val;
}
close($fh);
@@ -152,19 +154,20 @@ BEGIN {
my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
opendir(DIR,$designdir);
while ($filename=readdir(DIR)) {
+ if ($filename!~/\.tab$/) { next; }
my ($domain)=($filename=~/^(\w+)\./);
- {
- my $designfile = $designdir.'/'.$filename;
- if ( open (my $fh,"<$designfile") ) {
- while (<$fh>) {
- next if /^\#/;
- chomp;
- my ($key,$val)=(split(/\=/,$_));
- if ($val) { $designhash{$domain.'.'.$key}=$val; }
- }
- close($fh);
- }
- }
+ {
+ my $designfile = $designdir.'/'.$filename;
+ if ( open (my $fh,"<$designfile") ) {
+ while (my $line = <$fh>) {
+ next if ($line =~ /^\#/);
+ chomp($line);
+ my ($key,$val)=(split(/\=/,$line));
+ if ($val) { $designhash{$domain.'.'.$key}=$val; }
+ }
+ close($fh);
+ }
+ }
}
closedir(DIR);
@@ -175,10 +178,10 @@ BEGIN {
my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
'/filecategories.tab';
if ( open (my $fh,"<$categoryfile") ) {
- while (<$fh>) {
- next if /^\#/;
- chomp;
- my ($extension,$category)=(split(/\s+/,$_,2));
+ while (my $line = <$fh>) {
+ next if ($line =~ /^\#/);
+ chomp($line);
+ my ($extension,$category)=(split(/\s+/,$line,2));
push @{$category_extensions{lc($category)}},$extension;
}
close($fh);
@@ -190,13 +193,14 @@ BEGIN {
my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
'/filetypes.tab';
if ( open (my $fh,"<$typesfile") ) {
- while (<$fh>) {
- next if (/^\#/);
- chomp;
- my ($ending,$emb,$descr)=split(/\s+/,$_,3);
+ while (my $line = <$fh>) {
+ next if ($line =~ /^\#/);
+ chomp($line);
+ my ($ending,$emb,$mime,$descr)=split(/\s+/,$line,4);
if ($descr ne '') {
$fe{$ending}=lc($emb);
$fd{$ending}=$descr;
+ if ($mime ne 'unk') { $fm{$ending}=$mime; }
}
}
close($fh);
@@ -330,7 +334,10 @@ sub storeresurl {
sub studentbrowser_javascript {
unless (
(($env{'request.course.id'}) &&
- (&Apache::lonnet::allowed('srm',$env{'request.course.id'})))
+ (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
+ || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
+ '/'.$env{'request.course.sec'})
+ ))
|| ($env{'request.role'}=~/^(au|dc|su)/)
) { return ''; }
return (<<'ENDSTDBRW');
@@ -361,7 +368,9 @@ ENDSTDBRW
sub selectstudent_link {
my ($form,$unameele,$udomele)=@_;
if ($env{'request.course.id'}) {
- unless (&Apache::lonnet::allowed('srm',$env{'request.course.id'})) {
+ if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'})
+ && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}.
+ '/'.$env{'request.course.sec'})) {
return '';
}
return "
var stdeditbrowser;
- function opencrsbrowser(formname,uname,udom,desc,extra_element) {
+ function opencrsbrowser(formname,uname,udom,desc,extra_element,multflag) {
var url = '/adm/pickcourse?';
var filter;
if (filter != null) {
@@ -402,6 +411,9 @@ sub coursebrowser_javascript {
url += '&domainfilter='+extra_element;
}
}
+ if (multflag !=null && multflag != '') {
+ url += '&multiple='+multflag;
+ }
var title = 'Course_Browser';
var options = 'scrollbars=1,resizable=1,menubar=0';
options += ',width=700,height=600';
@@ -413,10 +425,35 @@ ENDSTDBRW
}
sub selectcourse_link {
- my ($form,$unameele,$udomele,$desc,$extra_element)=@_;
+ my ($form,$unameele,$udomele,$desc,$extra_element,$multflag)=@_;
return "".&mt('Select Course')."";
+ '","'.$udomele.'","'.$desc.'","'.$extra_element.'","'.$multflag.'");'."'>".&mt('Select Course')."";
+}
+
+sub check_uncheck_jscript {
+ my $jscript = <<"ENDSCRT";
+function checkAll(field) {
+ if (field.length > 0) {
+ for (i = 0; i < field.length; i++) {
+ field[i].checked = true ;
+ }
+ } else {
+ field.checked = true
+ }
+}
+
+function uncheckAll(field) {
+ if (field.length > 0) {
+ for (i = 0; i < field.length; i++) {
+ field[i].checked = false ;
+ } } else {
+ field.checked = false ;
+ }
}
+ENDSCRT
+ return $jscript;
+}
+
=pod
@@ -670,8 +707,9 @@ sub help_open_menu {
my $origurl = $ENV{'REQUEST_URI'};
$origurl=~s|^/~|/priv/|;
my $timestamp = time;
- foreach (\$color,\$function,\$topic,\$component_help,\$faq,\$bug,\$origurl) {
- $$_ = &Apache::lonnet::escape($$_);
+ foreach my $datum (\$color,\$function,\$topic,\$component_help,\$faq,
+ \$bug,\$origurl) {
+ $$datum = &Apache::lonnet::escape($$datum);
}
if (!$stayOnPage) {
$link = "javascript:helpMenu('open')";
@@ -687,8 +725,18 @@ sub help_open_menu {
"
$text";
}
my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
- my $html=&Apache::lonxml::xmlbegin();
my $helpicon=&lonhttpdurl("/adm/lonIcons/helpgateway.gif");
+ my $start_page =
+ &Apache::loncommon::start_page('Help Menu', undef,
+ {'frameset' => 1,
+ 'js_ready' => 1,
+ 'add_entries' => {
+ 'border' => '0',
+ 'rows' => "105,*",},});
+ my $end_page =
+ &Apache::loncommon::end_page({'frameset' => 1,
+ 'js_ready' => 1,});
+
$template .= <<"ENDTEMPLATE";
'."\n".
- ''."\n";
- }
+ my $bodytag = "".
+ &Apache::lontexconvert::init_math_support();
- my $upperleft='';
- if ($bodyonly) {
+ if ($bodyonly
+ || ($env{'request.state'} eq 'construct'
+ && $env{'environment.remote'} ne 'off' )) {
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
- my $roleinfo=(<
-
+ $bodytag.=&Apache::lonmenu::menubuttons($forcereg,$forcereg);
+ if (!$notitle) {
+ $bodytag.='LON-CAPA: '.$title.'';
+ }
+ return $bodytag;
+ }
+
+
+
+ my $roleinfo=(<
+
$env{'environment.firstname'}
$env{'environment.middlename'}
$env{'environment.lastname'}
$env{'environment.generation'}
-
-
-$role
-
-$realm
+
+
+$role
+
+
+$realm
+
|
ENDROLE
- my $titleinfo = ''.$title.'';
- if ($customtitle) {
- $titleinfo = $customtitle;
- }
+ my $titleinfo = ''.$title.'';
+ if ($customtitle) {
+ $titleinfo = $customtitle;
+ }
+ #
+ # Extra info if you are the DC
+ my $dc_info = '';
+ if ($env{'user.adv'} && exists($env{'user.role.dc./'.
+ $env{'course.'.$env{'request.course.id'}.
+ '.domain'}.'/'})) {
+ my $cid = $env{'request.course.id'};
+ $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
+ $dc_info = '('.$dc_info.')';
+ }
+
+ if ($env{'environment.remote'} eq 'off') {
+ # No Remote
if ($env{'request.state'} eq 'construct') {
+ $forcereg=1;
+ }
+
+ if (!$customtitle && $env{'request.state'} eq 'construct') {
+ # this is for resources; directories have customtitle, and crumbs
+ # and select recent are created in lonpubdir.pm
my ($uname,$thisdisfn)=
($env{'request.filename'} =~ m|^/home/([^/]+)/public_html/(.*)|);
my $formaction='/priv/'.$uname.'/'.$thisdisfn;
$formaction=~s/\/+/\//g;
- unless ($customtitle) { #this is for resources; directories have customtitle, and crumbs and select recent are created in lonpubdir.pm
- my $parentpath = '';
- my $lastitem = '';
- if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
- $parentpath = $1;
- $lastitem = $2;
- } else {
- $lastitem = $thisdisfn;
- }
- $titleinfo = &Apache::loncommon::help_open_menu('','','','',3,'Authoring').
- 'Construction Space: '.
- ''
- .&Apache::lonmenu::constspaceform();
- }
- $forcereg=1;
- }
- my $titletable = ''.
- ''.
- $titleinfo.' | '.$roleinfo.'
';
- if ($env{'request.state'} eq 'construct') {
- $bodytag .= &Apache::lonmenu::menubuttons($forcereg,'web',$forcereg,$titletable);
+ my $parentpath = '';
+ my $lastitem = '';
+ if ($thisdisfn =~ m-(.+/)([^/]*)$-) {
+ $parentpath = $1;
+ $lastitem = $2;
+ } else {
+ $lastitem = $thisdisfn;
+ }
+ $titleinfo =
+ &Apache::loncommon::help_open_menu('','','','',3,'Authoring').
+ 'Construction Space: '.
+ ''
+ .&Apache::lonmenu::constspaceform();
+ }
+
+ my $titletable;
+ if (!$notitle) {
+ $titletable =
+ ''.
+ " $titleinfo $dc_info | ".$roleinfo.
+ '
';
+ }
+ if ($notopbar) {
+ $bodytag .= $titletable;
} else {
- $bodytag .= &Apache::lonmenu::menubuttons($forcereg,'web',$forcereg).
- $titletable;
+ if ($env{'request.state'} eq 'construct') {
+ $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg,
+ $titletable);
+ } else {
+ $bodytag .= &Apache::lonmenu::menubuttons($forcereg,$forcereg).
+ $titletable;
+ }
}
return $bodytag;
}
@@ -2809,49 +2929,84 @@ ENDROLE
#
# Top frame rendering, Remote is up
#
- my $titleinfo = ' '.$title.'';
- if ($customtitle) {
- $titleinfo = $customtitle;
- }
+
+ my $upperleft='';
+
+ # Explicit link to get inline menu
+ my $menu='
'.&mt('Switch to Inline Menu Mode').'';
#
- # Extra info if you are the DC
- my $dc_info = '';
- if ($env{'user.adv'} && exists($env{'user.role.dc./'.
- $env{'course.'.$env{'request.course.id'}.
- '.domain'}.'/'})) {
- my $cid = $env{'request.course.id'};
- $dc_info.= $cid.' '.$env{'course.'.$cid.'.internal.coursecode'};
- $dc_info = '('.$dc_info.')';
+ if ($notitle) {
+ return $bodytag;
}
- #
return(<
-
-$upperleft |
-$messages |
-
-
-
-$titleinfo $dc_info
- |
-
- $env{'environment.firstname'}
- $env{'environment.middlename'}
- $env{'environment.lastname'}
- $env{'environment.generation'}
-
- |
+
+$upperleft |
+ $messages |
-
-$role
- |
-
-$realm |
-
+
$titleinfo $dc_info $menu |
+$roleinfo
+
ENDBODY
}
+sub make_attr_string {
+ my ($register,$attr_ref) = @_;
+
+ if ($attr_ref && !ref($attr_ref)) {
+ die("addentries Must be a hash ref ".
+ join(':',caller(1))." ".
+ join(':',caller(0))." ");
+ }
+
+ if ($register) {
+ my ($on_load,$on_unload);
+ foreach my $key (keys(%{$attr_ref})) {
+ if (lc($key) eq 'onload') {
+ $on_load.=$attr_ref->{$key}.';';
+ delete($attr_ref->{$key});
+
+ } elsif (lc($key) eq 'onunload') {
+ $on_unload.=$attr_ref->{$key}.';';
+ delete($attr_ref->{$key});
+ }
+ }
+ $attr_ref->{'onload'} =
+ &Apache::lonmenu::loadevents(). $on_load;
+ $attr_ref->{'onunload'}=
+ &Apache::lonmenu::unloadevents().$on_unload;
+ }
+
+# Accessibility font enhance
+ if ($env{'browser.fontenhance'} eq 'on') {
+ my $style;
+ foreach my $key (keys(%{$attr_ref})) {
+ if (lc($key) eq 'style') {
+ $style.=$attr_ref->{$key}.';';
+ delete($attr_ref->{$key});
+ }
+ }
+ $attr_ref->{'style'}=$style.'; font-size: x-large;';
+ }
+
+ if ($env{'browser.blackwhite'} eq 'on') {
+ delete($attr_ref->{'font'});
+ delete($attr_ref->{'link'});
+ delete($attr_ref->{'alink'});
+ delete($attr_ref->{'vlink'});
+ delete($attr_ref->{'bgcolor'});
+ delete($attr_ref->{'background'});
+ }
+
+ my $attr_string;
+ foreach my $attr (keys(%$attr_ref)) {
+ $attr_string .= " $attr=\"".$attr_ref->{$attr}.'" ';
+ }
+ return $attr_string;
+}
+
+
###############################################
###############################################
@@ -2859,7 +3014,7 @@ ENDBODY
=back
-=head1 HTTP Helpers
+=head1 HTML Helpers
=over 4
@@ -2867,29 +3022,621 @@ ENDBODY
Returns a uniform footer for LON-CAPA web pages.
-Inputs:
-
-=over 4
+Inputs: none
=back
-Returns: A uniform footer for LON-CAPA web pages.
-
=cut
sub endbodytag {
my $endbodytag='';
- if ($env{'environment.texengine'} eq 'jsMath') {
- $endbodytag=''.
- "\n".$endbodytag;
+ $endbodytag=&Apache::lontexconvert::jsMath_process()."\n".$endbodytag;
+ if ( exists( $env{'internal.head.redirect'} ) ) {
+ $endbodytag=
+ "
".
+ &mt('Continue').''.
+ $endbodytag;
}
return $endbodytag;
}
+=pod
+
+=over 4
+
+=item * &standard_css()
+
+Returns a style sheet
+
+Inputs: (all optional)
+ domain -> force to color decorate a page for a specific
+ domain
+ function -> force usage of a specific rolish color scheme
+ bgcolor -> override the default page bgcolor
+
+=back
+
+=cut
+
+sub standard_css {
+ my ($function,$domain,$bgcolor) = @_;
+ $function = &get_users_function() if (!$function);
+ my $img = &designparm($function.'.img', $domain);
+ my $tabbg = &designparm($function.'.tabbg', $domain);
+ my $font = &designparm($function.'.font', $domain);
+ my $sidebg = &designparm($function.'.sidebg',$domain);
+ my $pgbg = $bgcolor ||
+ &designparm($function.'.pgbg', $domain);
+ my $alink = &designparm($function.'.alink', $domain);
+ my $vlink = &designparm($function.'.vlink', $domain);
+ my $link = &designparm($function.'.link', $domain);
+
+ my $sans = 'Arial,Helvetica,sans-serif';
+ my $data_table_head = $tabbg;
+ my $data_table_light = '#EEEEEE';
+ my $data_table_dark = '#DDD';
+ my $data_table_highlight = '#FFFF00';
+ my $mail_new = '#FFBB77';
+ my $mail_new_hover = '#DD9955';
+ my $mail_read = '#BBBB77';
+ my $mail_read_hover = '#999944';
+ my $mail_replied = '#AAAA88';
+ my $mail_replied_hover = '#888855';
+ my $mail_other = '#99BBBB';
+ my $mail_other_hover = '#669999';
+
+ return <
+h1, h2, h3, th { font-family: $sans }
+a:focus { color: red; background: yellow }
+table.thinborder { border-collapse: collapse; }
+table.thinborder tr th, table.thinborder tr td { border-style: solid; border-width: 1px}
+form, .inline { display: inline; }
+.center { text-align: center; }
+.filename {font-family: monospace;}
+.LC_error {
+ color: red;
+ font-size: larger;
+}
+.LC_success {
+ color: green;
+}
+
+table#LC_top_nav, table#LC_menubuttons, table#LC_nav_location, table#LC_breadcrumbs {
+ width: 100%;
+ background: $pgbg;
+ border: 0px;
+ border-spacing: 1px;
+ padding: 0px;
+ margin: 0px;
+ border-collapse: separate;
+}
+table#LC_title_bar {
+ width: 100%;
+ border: 0;
+ border-spacing: 3px;
+ background: $pgbg;
+ font-family: $sans;
+}
+table#LC_title_bar.LC_with_remote {
+ width: 100%;
+ border: 0;
+ border-spacing: 0;
+ background: $pgbg;
+ font-family: $sans;
+ border-collapse: collapse;
+}
+table#LC_title_bar td {
+ padding: 3px;
+ background: $tabbg;
+}
+table#LC_title_bar td.LC_title_bar_who {
+ background: $tabbg;
+ color: $font;
+ font: medium $sans;
+ text-align: right;
+}
+span.LC_title_bar_title {
+ font: bold xx-large $sans;
+}
+table#LC_title_bar td.LC_title_bar_domain_logo {
+ background: $sidebg;
+ text-align: right;
+}
+
+table#LC_menubuttons_mainmenu {
+ background: $pgbg;
+ border: 0px;
+ border-spacing: 1px;
+ padding: 0px;
+ margin: 0px;
+ border-collapse: separate;
+}
+table#LC_menubuttons img, table#LC_menubuttons_mainmenu img {
+ border: 0px;
+}
+table#LC_top_nav td {
+ background: $tabbg;
+}
+table#LC_top_nav td a, div#LC_top_nav a {
+ color: $font;
+ font-family: $sans;
+}
+table#LC_breadcrumbs td {
+ background: $tabbg;
+ color: $font;
+ font-family: $sans;
+ font-size: smaller;
+}
+table#LC_breadcrumbs td.LC_breadcrumb_component {
+ background: $tabbg;
+ color: $font;
+ font-family: $sans;
+ font-size: larger;
+ text-align: right;
+}
+.LC_menubuttons_inline_text {
+ color: $font;
+ font-family: $sans;
+ font-size: smaller;
+}
+
+td.LC_menubuttons_text {
+ color: $font;
+ font-family: $sans;
+}
+td.LC_menubuttons_img {
+ background: $tabbg;
+}
+.LC_current_location {
+ font-family: $sans;
+ background: $tabbg;
+}
+.LC_new_mail {
+ font-family: $sans;
+ font-weight: bold;
+}
+
+table.LC_data_table, table.LC_mail_list {
+ border: 1px solid #000000;
+ border-collapse: seperate;
+}
+table.LC_data_table tr th, table.LC_calendar tr th, table.LC_mail_list tr th {
+ font-weight: bold;
+ background-color: $data_table_head;
+}
+table.LC_data_table tr td {
+ background-color: $data_table_light;
+}
+table.LC_data_table tr.LC_even_row td {
+ background-color: $data_table_dark;
+}
+table.LC_data_table tr.LC_empty td {
+ background-color: #FFFFFF;
+}
+
+table.LC_calendar {
+ border: 1px solid #000000;
+ border-collapse: collapse;
+}
+table.LC_calendar_pickdate {
+ font-size: xx-small;
+}
+table.LC_calendar tr td {
+ border: 1px solid #000000;
+ vertical-align: top;
+}
+table.LC_calendar tr td.LC_calendar_day_empty {
+ background-color: $data_table_dark;
+}
+table.LC_calendar tr td.LC_calendar_day_current {
+ background-color: $data_table_highlight;
+}
+
+table.LC_mail_list tr.LC_mail_new {
+ background-color: $mail_new;
+}
+table.LC_mail_list tr.LC_mail_new:hover {
+ background-color: $mail_new_hover;
+}
+table.LC_mail_list tr.LC_mail_read {
+ background-color: $mail_read;
+}
+table.LC_mail_list tr.LC_mail_read:hover {
+ background-color: $mail_read_hover;
+}
+table.LC_mail_list tr.LC_mail_replied {
+ background-color: $mail_replied;
+}
+table.LC_mail_list tr.LC_mail_replied:hover {
+ background-color: $mail_replied_hover;
+}
+table.LC_mail_list tr.LC_mail_other {
+ background-color: $mail_other;
+}
+table.LC_mail_list tr.LC_mail_other:hover {
+ background-color: $mail_other_hover;
+}
+
+END
+}
+
+=pod
+
+=over 4
+
+=item * &headtag()
+
+Returns a uniform footer for LON-CAPA web pages.
+
+Inputs: $title - optional title for the head
+ $head_extra - optional extra HTML to put inside the
+ $args - optional arguments
+ force_register - if is true call registerurl so the remote is
+ informed
+ redirect -> array ref of seconds before redirect occurs
+ url to redirect to
+ (side effect of setting
+ $env{'internal.head.redirect'} to the url
+ redirected too)
+ domain -> force to color decorate a page for a specific
+ domain
+ function -> force usage of a specific rolish color scheme
+ bgcolor -> override the default page bgcolor
+
+=back
+
+=cut
+
+sub headtag {
+ my ($title,$head_extra,$args) = @_;
+
+ my $result =
+ ''.
+ &standard_css($args->{'function'},$args->{'domain'},
+ $args->{'bgcolor'}).
+ &font_settings().
+ &Apache::lonhtmlcommon::htmlareaheaders();
+
+ if ($args->{'force_register'}) {
+ $result .= &Apache::lonmenu::registerurl(1);
+ }
+
+ if (ref($args->{'redirect'})) {
+ my ($time,$url) = @{$args->{'redirect'}};
+ $url = &Apache::lonenc::check_encrypt($url);
+ $env{'internal.head.redirect'} = $url;
+ $result.=<
+
+ADDMETA
+ }
+ if (!defined($title)) {
+ $title = 'The LearningOnline Network with CAPA';
+ }
+
+ $result .= ' LON-CAPA '.&mt($title).''.$head_extra;
+ return $result;
+}
+
+=pod
+
+=over 4
+
+=item * &font_settings()
+
+Returns neccessary to set the proper encoding
+
+Inputs: none
+
+=back
+
+=cut
+
+sub font_settings {
+ my $headerstring='';
+ if (($env{'browser.os'} eq 'mac') && (!$env{'browser.mathml'})) {
+ $headerstring.=
+ '';
+ } elsif (!$env{'browser.mathml'} && $env{'browser.unicode'}) {
+ $headerstring.=
+ '';
+ }
+ return $headerstring;
+}
+
+=pod
+
+=over 4
+
+=item * &xml_begin()
+
+Returns the needed doctype and
+
+Inputs: none
+
+=back
+
+=cut
+
+sub xml_begin {
+ my $output='';
+
+ &Apache::lonhtmlcommon::init_htmlareafields();
+
+ if ($env{'browser.mathml'}) {
+ $output=''
+ #.''."\n"
+# .'] >'
+ .''
+ .'';
+ } else {
+ $output='';
+ }
+ return $output;
+}
+
+=pod
+
+=over 4
+
+=item * &endheadtag()
+
+Returns a uniform for LON-CAPA web pages.
+
+Inputs: none
+
+=back
+
+=cut
+
+sub endheadtag {
+ return '';
+}
+
+=pod
+
+=over 4
+
+=item * &head()
+
+Returns a uniform complete .. section for LON-CAPA web pages.
+
+Inputs: $title - optional title for the page
+ $head_extra - optional extra HTML to put inside the
+=back
+
+=cut
+
+sub head {
+ my ($title,$head_extra,$args) = @_;
+ return &headtag($title,$head_extra,$args).&endheadtag();
+}
+
+=pod
+
+=over 4
+
+=item * &start_page()
+
+Returns a complete .. section for LON-CAPA web pages.
+
+Inputs: $title - optional title for the page
+ $head_extra - optional extra HTML to incude inside the
+ $args - additional optional args supported are:
+ only_body -> is true will set &bodytag() onlybodytag
+ arg on
+ no_nav_bar -> is true will set &bodytag() notopbar arg on
+ add_entries -> additional attributes to add to the
+ domain -> force to color decorate a page for a
+ specific domain
+ function -> force usage of a specific rolish color
+ scheme
+ redirect -> see &headtag()
+ bgcolor -> override the default page bg color
+ js_ready -> return a string ready for being used in
+ a javascript writeln
+ html_encode -> return a string ready for being used in
+ a html attribute
+ force_register -> if is true will turn on the &bodytag()
+ $forcereg arg
+ body_title -> alternate text to use instead of $title
+ in the title box that appears, this text
+ is not auto translated like the $title is
+ frameset -> if true will start with a