--- loncom/interface/lonhtmlcommon.pm 2009/05/22 17:57:19 1.218
+++ loncom/interface/lonhtmlcommon.pm 2017/03/08 02:51:08 1.383
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# a pile of common html routines
#
-# $Id: lonhtmlcommon.pm,v 1.218 2009/05/22 17:57:19 bisitz Exp $
+# $Id: lonhtmlcommon.pm,v 1.383 2017/03/08 02:51:08 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -60,14 +60,56 @@ use Time::Local;
use Time::HiRes;
use Apache::lonlocal;
use Apache::lonnet;
-use LONCAPA;
+use HTML::Entities();
+use LONCAPA qw(:DEFAULT :match);
+sub java_not_enabled {
+ if (($env{'browser.mobile'}) && ($env{'browser.mobile'} =~ /^ipad|ipod|iphone$/i)) {
+ return "\n".''.
+ &mt('The required Java applet could not be started, because Java is not supported by your mobile device.').
+ "\n";
+ } else {
+ return "\n".''.
+ &mt('The required Java applet could not be started. Please make sure to have Java installed and active in your browser.').
+ "\n";
+ }
+}
+
+sub coursepreflink {
+ my ($text,$category)=@_;
+ if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
+ return '&"').'">'.$text.'';
+ } else {
+ return '';
+ }
+}
+
+sub raw_href_to_link {
+ my ($message)=@_;
+ $message=~s/(https?\:\/\/[^\s\'\"\<]+)([\s\<]|$)/$1<\/tt><\/a>$2/gi;
+ return $message;
+}
+
+sub entity_encode {
+ my ($text)=@_;
+ return &HTML::Entities::encode($text, '<>&"');
+}
+
+sub direct_parm_link {
+ my ($linktext,$symb,$filter,$part,$target)=@_;
+ $symb=&entity_encode($symb);
+ $filter=&entity_encode($filter);
+ $part=&entity_encode($part);
+ if (($symb) && (&Apache::lonnet::allowed('opa')) && ($target ne 'tex')) {
+ return "$linktext";
+ } else {
+ return $linktext;
+ }
+}
##############################################
##############################################
-=pod
-
-=item confirm_success
+=item &confirm_success()
Successful completion of an operation message
@@ -76,13 +118,13 @@ Successful completion of an operation me
sub confirm_success {
my ($message,$failure)=@_;
if ($failure) {
- return ''."\n"
+ return ''."\n"
.' '."\n"
.$message."\n"
.''."\n";
} else {
return ''."\n"
- .' '."\n"
+ .' '."\n"
.$message."\n"
.''."\n";
}
@@ -93,7 +135,7 @@ sub confirm_success {
=pod
-=item dragmath_button
+=item &dragmath_button()
Creates a button that launches a dragmath popup-window, in which an
expression can be edited and pasted as LaTeX into a specified textarea.
@@ -107,11 +149,11 @@ sub dragmath_button {
my ($textarea,$helpicon) = @_;
my $help_text;
if ($helpicon) {
- $help_text = &Apache::loncommon::help_open_topic('Authoring_Math_Editor');
+ $help_text = &Apache::loncommon::help_open_topic('Authoring_Math_Editor',undef,undef,undef,undef,'mathhelpicon_'.$textarea);
}
my $buttontext=&mt('Edit Math');
return <$help_text
+ $help_text
ENDDRAGMATH
}
@@ -119,11 +161,11 @@ ENDDRAGMATH
=pod
-=item dragmath_js
+=item &dragmath_js()
Javascript used to open pop-up window containing dragmath applet which
can be used to paste LaTeX into a textarea.
-
+
=cut
sub dragmath_js {
@@ -134,7 +176,7 @@ sub dragmath_js {
function mathedit(textarea, doc) {
targetEntry = textarea;
targetDoc = doc;
- newwin = window.open("/adm/dragmath/applet/$popup.html","","width=565,height=500,resizable");
+ newwin = window.open("/adm/dragmath/$popup.html","","width=565,height=500,resizable");
}
// ]]>
@@ -142,13 +184,69 @@ sub dragmath_js {
ENDDRAGMATHJS
}
+##############################################
+##############################################
+
+=pod
+
+=item &dependencies_button()
+
+Creates a button that launches a popup-window, in which dependencies
+for the web page in the main window can be added to, replaced or deleted.
+
+=cut
+
+sub dependencies_button {
+ my $buttontext=&mt('Manage Dependencies');
+ return <<"END";
+
+END
+}
+
+##############################################
+
+=pod
+
+=item &dependencycheck_js()
+
+Javascript used to open pop-up window containing interface to manage
+dependencies for a web page uploaded diretcly to a course.
+
+=cut
+
+sub dependencycheck_js {
+ my ($symb,$title,$url,$folderpath,$uri) = @_;
+ my $link;
+ if ($symb) {
+ $link = '/adm/dependencies?symb='.&HTML::Entities::encode($symb,'<>&"');
+ } elsif ($folderpath) {
+ $link = '/adm/dependencies?folderpath='.&HTML::Entities::encode($folderpath,'<>&"');
+ $url = $uri;
+ } elsif ($uri =~ m{^/public/$match_domain/$match_courseid/syllabus$}) {
+ $link = '/adm/dependencies';
+ }
+ $link .= (($link=~/\?/)?'&':'?').'title='.
+ &HTML::Entities::encode($title,'<>&"');
+ if ($url) {
+ $link .= '&url='.&HTML::Entities::encode($url,'<>&"');
+ }
+ return <
+ //
+
+ENDJS
+}
##############################################
##############################################
=pod
-=item authorbombs
+=item &authorbombs()
=cut
@@ -160,8 +258,8 @@ sub authorbombs {
$url=&Apache::lonnet::declutter($url);
my ($udom,$uname)=($url=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)/});
my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
- foreach (keys %bombs) {
- if ($_=~/^$udom\/$uname\//) {
+ foreach my $bomb (keys(%bombs)) {
+ if ($bomb =~ /^$udom\/$uname\//) {
return ''.
&Apache::loncommon::help_open_topic('About_Bombs');
@@ -222,6 +320,9 @@ sub select_recent {
unless ($value =~/^error\:/) {
my $escaped = &Apache::loncommon::escape_url($value);
&Apache::loncommon::inhibit_menu_check(\$escaped);
+ if ($area eq 'residx') {
+ next if ((!&Apache::lonnet::allowed('bre',$value)) && (!&Apache::lonnet::allowed('bro',$value)));
+ }
$return.="\n';
@@ -239,7 +340,7 @@ sub get_recent {
# Begin filling return_hash with any 'always_include' option
my %time_hash = ();
my %return_hash = ();
- foreach my $item (keys %recent) {
+ foreach my $item (keys(%recent)) {
my ($thistime,$thisvalue)=(split(/\&/,$recent{$item}));
if ($thistime eq 'always_include') {
$return_hash{$item} = &unescape($thisvalue);
@@ -279,7 +380,7 @@ sub get_recent_frozen {
=pod
-=item textbox
+=item &textbox()
=cut
@@ -299,14 +400,14 @@ sub textbox {
=pod
-=item checkbox
+=item &checkbox()
=cut
##############################################
##############################################
sub checkbox {
- my ($name,$checked,$value) = @_;
+ my ($name,$checked,$value,$special) = @_;
my $Str = '';
return $Str;
}
=pod
-=item radiobutton
+=item &radiobutton()
=cut
@@ -345,15 +446,17 @@ sub radio {
=pod
-=item &date_setter
+=item &date_setter()
&date_setter returns html and javascript for a compact date-setting form.
-To retrieve values from it, use &get_date_from_form().
-
-Inputs
+To retrieve values from it, use &get_date_from_form.
=over 4
+=item Inputs
+
+=over
+
=item $dname
The name to prepend to the form elements.
@@ -364,7 +467,8 @@ dname_hour, dname_min, and dname_sec.
The current setting for this time parameter. A unix format time
(time in seconds since the beginning of Jan 1st, 1970, GMT.
-An undefined value is taken to indicate the value is the current time.
+An undefined value is taken to indicate the value is the current time
+unless it is requested to leave it empty. See $includeempty.
Also, to be explicit, a value of 'now' also indicates the current time.
=item $special
@@ -374,60 +478,91 @@ the date_setter. See lonparmset for exa
=item $includeempty
+If it is set (true) and no date/time value is provided,
+the date/time fields are left empty.
+
=item $state
Specifies the initial state of the form elements. Either 'disabled' or empty.
-Defaults to empty, which indiciates the form elements are not disabled.
+Defaults to empty, which indicates the form elements are not disabled.
+
+=item $no_hh_mm_ss
+
+If true, text boxes for hours, minutes and seconds are omitted.
+
+=item $defhour
+
+Default value for hours (a default of 0 is used otherwise).
+
+=item $defmin
+
+Default value for minutes (a default of 0 is used otherwise).
+
+=item defsec
+
+Default value for seconds (a default of 0 is used otherwise).
+
+=item $nolink
+
+If true, a "Select calendar" link (to pop-up a calendar) is not displayed
+to the right of the items.
+
+=item $no_mm_ss
+
+If true, text boxes for minutes and seconds are omitted.
+
+=item $no_ss
+
+If true, text boxes for seconds are omitted.
=back
-Bugs
+=item Bugs
The method used to restrict user input will fail in the year 2400.
+=back
+
=cut
##############################################
##############################################
sub date_setter {
my ($formname,$dname,$currentvalue,$special,$includeempty,$state,
- $no_hh_mm_ss,$defhour,$defmin,$defsec,$nolink) = @_;
+ $no_hh_mm_ss,$defhour,$defmin,$defsec,$nolink,$no_mm_ss,$no_ss) = @_;
my $now = time;
- my $wasdefined=1;
+
+ my $tzname;
+ my ($sec,$min,$hour,$mday,$month,$year) = ('', '', undef,''.''.'');
+ #other potentially useful values: wkday,yrday,is_daylight_savings
+
if (! defined($state) || $state ne 'disabled') {
$state = '';
+ } else {
+ $state = 'disabled="disabled"';
}
if (! defined($no_hh_mm_ss)) {
$no_hh_mm_ss = 0;
}
if ($currentvalue eq 'now') {
- $currentvalue = $now;
+ $currentvalue = $now;
}
- if ((!defined($currentvalue)) || ($currentvalue eq '')) {
- $wasdefined=0;
- if ($includeempty) {
- $currentvalue = 0;
- } else {
- $currentvalue = $now;
- }
+
+ # Default value: Set empty date field to current time
+ # unless empty inclusion is requested
+ if ((!$includeempty) && (!$currentvalue)) {
+ $currentvalue = $now;
}
- # other potentially useful values: wkday,yrday,is_daylight_savings
- my $tzname;
- my ($sec,$min,$hour,$mday,$month,$year)=('','',undef,'','','');
+ # Do we have a date? Split it!
if ($currentvalue) {
- ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($currentvalue);
- }
- unless ($wasdefined) {
- ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($now);
- if (($defhour) || ($defmin) || ($defsec)) {
- $sec=($defsec?$defsec:0);
- $min=($defmin?$defmin:0);
- $hour=($defhour?$defhour:0);
- } elsif (!$includeempty) {
- $sec=0;
- $min=0;
- $hour=0;
- }
+ ($tzname,$sec,$min,$hour,$mday,$month,$year) = &get_timedates($currentvalue);
+
+ #No values provided for hour, min, sec? Use default 0
+ if (($defhour) || ($defmin) || ($defsec)) {
+ $sec = ($defsec ? $defsec : 0);
+ $min = ($defmin ? $defmin : 0);
+ $hour = ($defhour ? $defhour : 0);
+ }
}
my $result = "\n\n";
$result .= <"; }
for(my $m = 1;$m <=$#Months;$m++) {
- $monthselector .= qq{ ');
- }
+ }
+ unless (($nolink) || ($state eq 'disabled')) {
+ $result .= &mt('[_1]Select Date[_2]',$cal_link,'');
}
$result .= "\n\n";
return $result;
@@ -599,17 +743,19 @@ sub build_url {
=pod
-=item &get_date_from_form
+=item &get_date_from_form()
get_date_from_form retrieves the date specified in an &date_setter form.
-Inputs:
+=over
+
+=item Inputs:
=over 4
=item $dname
-The name passed to &datesetter, which prefixes the form elements.
+The name passed to &date_setter, which prefixes the form elements.
=item $defaulttime
@@ -617,6 +763,8 @@ The unix time to use as the default in c
=back
+=back
+
Returns: Unix time represented in the form.
=cut
@@ -711,13 +859,12 @@ parameter setting wizard.
sub pjump_javascript_definition {
my $Str = < 1,
- 'bgcolor' => '#88DDFF',
- 'js_ready' => 1});
- my $end_page = &Apache::loncommon::end_page({'js_ready' => 1});
-
- #the whole function called through timeout is due to issues
- #in mozilla Read BUG #2665 if you want to know the whole story
- &r_print($r,'');
- $prog_state{'formname'}='popremain';
- $prog_state{'inputname'}="remaining";
- } elsif ($type eq 'inline') {
- $prog_state{'window'}='window';
- if (!$formname) {
- $prog_state{'formname'}=&get_uniq_name();
- &r_print($r,''); }
- &Update_PrgWin($r,\%prog_state,&mt('Starting'));
- }
-
$prog_state{'done'}=0;
$prog_state{'firststart'}=&Time::HiRes::time();
$prog_state{'laststart'}=&Time::HiRes::time();
$prog_state{'max'}=$number_to_do;
-
+ &Apache::loncommon::LCprogressbar($r);
return %prog_state;
}
# update progress
sub Update_PrgWin {
my ($r,$prog_state,$displayString)=@_;
- &r_print($r,'');
+ &Apache::loncommon::LCprogressbarUpdate($r,undef,$displayString);
$$prog_state{'laststart'}=&Time::HiRes::time();
}
# increment progress state
sub Increment_PrgWin {
- my ($r,$prog_state,$extraInfo)=@_;
- $$prog_state{'done'}++;
+ my ($r,$prog_state,$extraInfo,$step)=@_;
+ $step = $step > 0 ? $step : 1;
+ $$prog_state{'done'} += $step;
+
+ # Catch (max modulo step) <> 0
+ my $current = $$prog_state{'done'};
+ my $last = ($$prog_state{'max'} - $current);
+ if ($last <= 0) {
+ $last = 1;
+ $current = $$prog_state{'max'};
+ }
+
my $time_est= (&Time::HiRes::time() - $$prog_state{'firststart'})/
- $$prog_state{'done'} *
- ($$prog_state{'max'}-$$prog_state{'done'});
+ $current * $last;
$time_est = int($time_est);
#
my $min = int($time_est/60);
my $sec = $time_est % 60;
- #
- my $str;
- if ($min == 0 && $sec > 1) {
- $str = '[_2] seconds';
- } elsif ($min == 1 && $sec > 1) {
- $str = '1 minute [_2] seconds';
- } elsif ($min == 1 && $sec < 2) {
- $str = '1 minute';
- } elsif ($min < 10 && $sec > 1) {
- $str = '[_1] minutes, [_2] seconds';
- } elsif ($min >= 10 || $sec < 2) {
- $str = '[_1] minutes';
- }
- $time_est = &mt($str,$min,$sec);
- #
+
my $lasttime = &Time::HiRes::time()-$$prog_state{'laststart'};
if ($lasttime > 9) {
$lasttime = int($lasttime);
@@ -1070,102 +1164,86 @@ sub Increment_PrgWin {
} else {
$lasttime = sprintf("%3.2f",$lasttime);
}
- if ($lasttime == 1) {
- $lasttime = '('.$lasttime.' '.&mt('second for').' '.$extraInfo.')';
- } else {
- $lasttime = '('.$lasttime.' '.&mt('seconds for').' '.$extraInfo.')';
- }
- #
- my $user_browser = $env{'browser.type'} if (exists($env{'browser.type'}));
- my $user_os = $env{'browser.os'} if (exists($env{'browser.os'}));
- if (! defined($user_browser) || ! defined($user_os)) {
- (undef,$user_browser,undef,undef,undef,$user_os) =
- &Apache::loncommon::decode_user_agent();
- }
- if ($user_browser eq 'explorer' && $user_os =~ 'mac') {
- $lasttime = '';
+
+ $sec = 0 if ($min >= 10); # Don't show seconds if remaining time >= 10 min.
+ $sec = 1 if ( ($min == 0) && ($sec == 0) ); # Little cheating: pretend to have 1 second remaining instead of 0 to have something to display
+
+ my $timeinfo =
+ &mt('[_1]/[_2]:'
+ .' [quant,_3,minute,minutes,] [quant,_4,second ,seconds ,]remaining'
+ .' ([quant,_5,second] for '.$extraInfo.')',
+ $current,
+ $$prog_state{'max'},
+ $min,
+ $sec,
+ $lasttime);
+ my $percent=0;
+ if ($$prog_state{'max'}) {
+ $percent=int(100.*$current/$$prog_state{'max'});
}
- &r_print($r,'');
+ &Apache::loncommon::LCprogressbarUpdate($r,$percent,$timeinfo);
$$prog_state{'laststart'}=&Time::HiRes::time();
}
# close Progress Line
sub Close_PrgWin {
my ($r,$prog_state)=@_;
- if ($$prog_state{'type'} eq 'popup') {
- &r_print($r,''."\n");
- } elsif ($$prog_state{'type'} eq 'inline') {
- &Update_PrgWin($r,$prog_state,&mt('Done'));
- }
+ &Apache::loncommon::LCprogressbarClose($r);
undef(%$prog_state);
}
-sub r_print {
- my ($r,$to_print)=@_;
- if ($r) {
- $r->print($to_print);
- $r->rflush();
- } else {
- print($to_print);
- }
-}
# ------------------------------------------------------- Puts directory header
sub crumbs {
- my ($uri,$target,$prefix,$form,$size,$noformat,$skiplast)=@_;
- if (! defined($size)) {
- $size = '+2';
- }
+ my ($uri,$target,$prefix,$form,$skiplast,$onclick)=@_;
+# You cannot crumbnify uploaded or adm resources
+ if ($uri=~/^\/*(uploaded|adm)\//) { return &mt('(Internal Course/Community Content)'); }
if ($target) {
$target = ' target="'.
&Apache::loncommon::escape_single($target).'"';
}
- my $output='';
- unless ($noformat) { $output.=' '; }
- $output.=''.$prefix.'/';
- if ($env{'user.adv'}) {
- my $path=$prefix.'/';
- foreach my $dir (split('/',$uri)) {
+ my $output='';
+ $output.=$prefix.'/';
+ if (($env{'user.adv'}) || ($env{'user.author'})) {
+ my $path=$prefix.'/';
+ foreach my $dir (split('/',$uri)) {
if (! $dir) { next; }
$path .= $dir;
- if ($path eq $uri) {
- if ($skiplast) {
- $output.=$dir;
+ if ($path eq $uri) {
+ if ($skiplast) {
+ $output.=$dir;
last;
- }
- } else {
- $path.='/';
- }
+ }
+ } else {
+ $path.='/';
+ }
+ if ($path eq '/res/') {
+ unless (&Apache::lonnet::allowed('bre',$path)) {
+ $output.="$dir/";
+ next;
+ }
+ }
my $href_path = &HTML::Entities::encode($path,'<>&"');
- &Apache::loncommon::inhibit_menu_check(\$href_path);
- if ($form) {
- my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
- $output.=qq{$dir/};
- } else {
- $output.=qq{$dir/};
- }
- }
+ &Apache::loncommon::inhibit_menu_check(\$href_path);
+ if ($form) {
+ my $href = 'javascript:'.$form.".action='".$href_path."';".$form.'.submit();';
+ $output.=qq{$dir/};
+ } else {
+ $output.=qq{$dir/};
+ }
+ }
} else {
- foreach my $dir (split('/',$uri)) {
+ foreach my $dir (split('/',$uri)) {
if (! $dir) { next; }
- $output.=$dir.'/';
- }
+ $output.=$dir.'/';
+ }
}
if ($uri !~ m|/$|) { $output=~s|/$||; }
- return $output.''.($noformat?'':' ');
+ $output.='';
+
+
+ return $output;
}
# --------------------- A function that generates a window for the spellchecker
@@ -1213,49 +1291,34 @@ sub spelllink {
ENDLINK
}
-# ------------------------------------------------- Output headers for HTMLArea
-
-{
- my @htmlareafields;
- sub init_htmlareafields {
- undef(@htmlareafields);
- }
-
- sub add_htmlareafields {
- my (@newfields) = @_;
- push(@htmlareafields,@newfields);
- }
-
- sub get_htmlareafields {
- return @htmlareafields;
- }
-}
+# ------------------------------------------------- Output headers for CKEditor
sub htmlareaheaders {
- return if (&htmlareablocked());
- return if (!&htmlareabrowser());
- return (<
-ENDHEADERS
-}
-
-# ----------------------------------------------------------------- Preferences
+ my $s="";
+ if (&htmlareabrowser()) {
+ $s.=(<
+ENDEDITOR
+ }
+ $s.=(<
+
+
+
+
+
+
+
+
+
+
-sub disablelink {
- my @fields=@_;
- if (defined($#fields)) {
- unless ($#fields>=0) { return ''; }
- }
- return ''.&mt('Disable WYSIWYG Editor').'';
+ENDJQUERY
+ return $s;
}
-sub enablelink {
- my @fields=@_;
- if (defined($#fields)) {
- unless ($#fields>=0) { return ''; }
- }
- return ''.&mt('Enable WYSIWYG Editor').'';
-}
+# ----------------------------------------------------------------- Preferences
# ------------------------------------------------- lang to use in html editor
sub htmlarea_lang {
@@ -1266,30 +1329,363 @@ sub htmlarea_lang {
return $lang;
}
+# return javacsript to activate elements of .colorchooser with jpicker:
+# Caller is responsible for enclosing this in '.
- &disablelink(@fields);
+ .'// END LON-CAPA Internal -->'."\n"
+ .'// ]]>'."\n"
+ .'';
return $output;
}
@@ -1306,36 +1702,161 @@ sub htmlareabrowser {
return 1;
}
+#
+# Should the "return to content" link be shown?
+#
+
+sub show_return_link {
+
+ unless ($env{'request.course.id'}) { return 0; }
+ if ($env{'request.noversionuri'}=~m{^/priv/} ||
+ $env{'request.uri'}=~m{^/priv/}) { return 1; }
+ return if ($env{'request.noversionuri'} eq '/adm/supplemental');
+ return if (($env{'course.'.$env{'request.course.id'}.'.type'} eq 'Placement') &&
+ (!$env{'request.role.adv'}));
+ if (($env{'request.noversionuri'} =~ m{^/adm/(viewclasslist|navmaps)($|\?)})
+ || ($env{'request.noversionuri'} =~ m{^/adm/.*/aboutme($|\?)})) {
+
+ return if ($env{'form.register'});
+ }
+ return (($env{'request.noversionuri'}=~m{^/(res|public)/} &&
+ $env{'request.symb'} eq '')
+ ||
+ ($env{'request.noversionuri'}=~ m{^/cgi-bin/printout.pl})
+ ||
+ (($env{'request.noversionuri'}=~/^\/adm\//) &&
+ ($env{'request.noversionuri'}!~/^\/adm\/wrapper\//) &&
+ ($env{'request.noversionuri'}!~
+ m{^/adm/.*/(smppg|bulletinboard|exttools?)($|\?)})
+ ));
+}
+
+
+##
+# Set the dueDate variable...note this is done in the timezone
+# of the browser.
+#
+# @param epoch relative time at which the problem is due.
+#
+# @return the javascript fragment to set the date:
+#
+sub set_due_date {
+ my $dueStamp = shift;
+ my $duems = $dueStamp * 1000; # Javascript Date object needs ms not seconds.
+
+ my $now = time()*1000;
+
+ # This slightly obscure bit of javascript sets the dueDate variable
+ # to the time in the browser at which the problem was due.
+ # The code should correct for gross differences between the server
+ # and client's time setting
+
+ return <<"END";
+
+
+
+END
+}
+##
+# Sets the time at which the problem finished computing.
+# This just updates the serverTime and clientTime variables above.
+# Calling this in e.g. end_problem provides a better estimate of the
+# difference beetween the server and client time setting as
+# the difference contains less of the latency/problem compute time.
+#
+sub set_compute_end_time {
+
+ my $now = time()*1000; # Javascript times are in ms.
+ return <<"END";
+
+
+
+END
+}
+
############################################################
############################################################
=pod
-=item breadcrumbs
+=item &breadcrumbs()
Compiles the previously registered breadcrumbs into an series of links.
-FAQ and BUG links will be placed on the left side of the table if they
-are defined for the last registered breadcrumb.
Additionally supports a 'component', which will be displayed on the
-right side of the table (without a link).
+right side of the breadcrumbs enclosing div (without a link).
A link to help for the component will be included if one is specified.
All inputs can be undef without problems.
-Inputs: $component (the large text on the right side of the table),
- $component_help
- $menulink (boolean, controls whether to include a link to /adm/menu)
- $helplink (if 'nohelp' don't include the orange help link)
- $css_class (optional name for the class to apply to the table for CSS)
- $no_mt (optional flag, 1 if &mt() is _not_ to be applied to $component
- when including the text on the right.
+=over
+
+=item Inputs:
+
+=over
+
+=item $component
+
+the text on the right side of the breadcrumbs trail
+
+=item $component_help
+
+the help item filename (without .tex extension).
+
+=item $menulink
+
+boolean, controls whether to include a link to /adm/menu
+
+=item $helplink
+
+if 'nohelp' don't include the orange help link
+
+=item $css_class
+
+optional name for the class to apply to the table for CSS
+
+=item $no_mt
+
+optional flag, 1 if &mt() is _not_ to be applied to $component when including the text on the right
+
+=item $CourseBreadcrumbs
+
+optional flag, 1 if &breadcrumbs called from &docs_breadcrumbs, because breadcrumbs are being
+used to display hierarchy for current folder shown in the Course Editor.
+
+=item $topic_help
+
+optional help item to be displayed on right side of the breadcrumbs row, using
+loncommon::help_open_topic() to generate the link.
+
+=item $topic_help_text
+
+text to include in the link in the optional help item ($topic_help) on the right
+side of the breadcrumbs row.
+
+=back
+
+=back
+
Returns a string containing breadcrumbs for the current page.
-=item clear_breadcrumbs
+=item &clear_breadcrumbs()
Clears the previously stored breadcrumbs.
-=item add_breadcrumb
+=item &add_breadcrumb()
Pushes a breadcrumb on the stack of crumbs.
@@ -1352,25 +1873,20 @@ returns: nothing
############################################################
{
my @Crumbs;
+ my %tools = ();
sub breadcrumbs {
- my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt, $CourseBreadcrumbs) = @_;
+ my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt,
+ $CourseBreadcrumbs,$topic_help,$topic_help_text,$crstype) = @_;
#
$css_class ||= 'LC_breadcrumbs';
- my $Str1 = '
';
-
- if($CourseBreadcrumbs){
- $Str1 = '
';
- }
- my $Str = '';
- #
# Make the faq and bug data cascade
- my $faq = '';
- my $bug = '';
- my $help='';
+ my $faq = '';
+ my $bug = '';
+ my $help = '';
# Crumb Symbol
- my $crumbsymbol = '» ';
+ my $crumbsymbol = '»';
# The last breadcrumb does not have a link, so handle it separately.
my $last = pop(@Crumbs);
#
@@ -1379,11 +1895,20 @@ returns: nothing
if ($menulink) {
my $description = 'Menu';
my $no_mt_descr = 0;
- if (exists($env{'request.course.id'}) &&
- $env{'request.course.id'} ne '') {
+ if ((exists($env{'request.course.id'})) &&
+ ($env{'request.course.id'} ne '') &&
+ ($env{'course.'.$env{'request.course.id'}.'.description'} ne '')) {
$description =
$env{'course.'.$env{'request.course.id'}.'.description'};
$no_mt_descr = 1;
+ if ($env{'request.noversionuri'} =~
+ m{^/?public/($match_domain)/($match_courseid)/syllabus$}) {
+ unless (($env{'course.'.$env{'request.course.id'}.'.domain'} eq $1) &&
+ ($env{'course.'.$env{'request.course.id'}.'.num'} eq $2)) {
+ $description = 'Menu';
+ $no_mt_descr = 0;
+ }
+ }
}
$menulink = { href =>'/adm/menu',
title =>'Go to main menu',
@@ -1398,43 +1923,54 @@ returns: nothing
$last = $menulink;
}
}
- my $links .= '
'.$crumbsymbol if ($links ne '');
- }
-#should the last Element be translated?
- if ($last->{'no_mt'}) {
- $links .= ''.$last->{'text'}.'';
- } else {
- $links .= ''.&mt($last->{'text'}).'';
- }
- $links .= '
';
+ my $links;
+ if ((&show_return_link) && (!$CourseBreadcrumbs) && (ref($last) eq 'HASH')) {
+ my $alttext = &mt('Go Back');
+ my $hashref = { href => '/adm/flip?postdata=return:',
+ title => &mt('Back to most recent content resource'),
+ class => 'LC_menubuttons_link',
+ };
+ if ($env{'request.noversionuri'} eq '/adm/searchcat') {
+ $hashref->{'target'} = '_top';
+ }
+ $links=&htmltag( 'a','',
+ $hashref);
+ $links=&htmltag('li',$links);
+ }
+ $links.= join "",
+ map {
+ $faq = $_->{'faq'} if (exists($_->{'faq'}));
+ $bug = $_->{'bug'} if (exists($_->{'bug'}));
+ $help = $_->{'help'} if (exists($_->{'help'}));
+
+ my $result = $_->{no_mt} ? $_->{text} : &mt($_->{text});
+
+ if ($_->{href}){
+ $result = &htmltag( 'a', $result,
+ { href => $_->{href},
+ title => $_->{no_mt} ? $_->{title} : &mt($_->{title}),
+ target => $_->{target}, });
+ }
+
+ $result = &htmltag( 'li', "$result $crumbsymbol");
+ } @Crumbs;
+
+ #should the last Element be translated?
+
+ my $lasttext = $last->{'no_mt'} ? $last->{'text'}
+ : mt( $last->{'text'} );
+
+ # last breadcrumb is the first order heading of a page
+ # for course breadcrumbs it's just bold
+
+ if ($lasttext ne '') {
+ $links .= &htmltag( 'li', htmltag($CourseBreadcrumbs ? 'b' : 'h1',
+ $lasttext), {title => $lasttext});
+ }
+
my $icons = '';
- $faq = $last->{'faq'} if (exists($last->{'faq'}));
- $bug = $last->{'bug'} if (exists($last->{'bug'}));
+ $faq = $last->{'faq'} if (exists($last->{'faq'}));
+ $bug = $last->{'bug'} if (exists($last->{'bug'}));
$help = $last->{'help'} if (exists($last->{'help'}));
$component_help=($component_help?$component_help:$help);
# if ($faq ne '') {
@@ -1443,51 +1979,293 @@ returns: nothing
# if ($bug ne '') {
# $icons .= &Apache::loncommon::help_open_bug($bug);
# }
- if ($faq ne '' || $component_help ne '' || $bug ne '') {
- $icons .= &Apache::loncommon::help_open_menu($component,
- $component_help,
- $faq,$bug);
- }
+ if ($faq ne '' || $component_help ne '' || $bug ne '') {
+ $icons .= &Apache::loncommon::help_open_menu($component,
+ $component_help,
+ $faq,$bug);
+ }
+ if ($topic_help && $topic_help_text) {
+ $icons .= ' '.&Apache::loncommon::help_open_topic($topic_help,&mt($topic_help_text),'',
+ undef,600);
+ }
#
-
- if($CourseBreadcrumbs){
- $Str1 .= $links.'
';
+ }
+ return $return;
+}
+
+# display_usage
+#
+# Generates a div containing a block, filled to show percentage of current quota used
+#
+# Quotas available for user portfolios, group portfolios, authoring spaces, and course
+# content stored directly within a course (i.e., excluding published content).
+#
+
+sub display_usage {
+ my ($current_disk_usage,$disk_quota,$context) = @_;
+ my $usage = $current_disk_usage/1024;
+ my $quota = $disk_quota/1024;
+ my $percent;
+ if ($disk_quota == 0) {
+ $percent = 100.0;
+ } else {
+ $percent = 100*($current_disk_usage/$disk_quota);
+ }
+ $usage = sprintf("%.2f",$usage);
+ $quota = sprintf("%.2f",$quota);
+ $percent = sprintf("%.0f",$percent);
+ my ($color,$cssclass);
+ if ($percent <= 60) {
+ $color = '#00A000';
+ } elsif ($percent > 60 && $percent < 90) {
+ $color = '#FFD300';
+ $cssclass = 'class="LC_warning"';
+ } elsif( $percent >= 90) {
+ $color = '#FF0000';
+ $cssclass = 'class="LC_error"';
+ }
+ my $prog_width = $percent;
+ if ($prog_width > 100) {
+ $prog_width = 100;
+ }
+ my $display = 'block';
+ if ($context eq 'authoring') {
+ $display = 'inline';
+ }
+ return '
+
'.&mt('Currently using [_1] of the [_2] available.',$usage.' MB ('.$percent.'%)',$quota.' MB')."\n".
+'
'."\n".
+' '."\n".
+'
'."\n".
+'
';
+}
+
##############################################
##############################################
# topic_bar
#
-# Generates a div containing a numbered (static image) followed by a title
-# with a background color defined in the corresponding CSS: LC_topic_bar
-#
+# Generates a div containing an (optional) number with a white background followed by a
+# title with a background color defined in the corresponding CSS: LC_topic_bar
+# Inputs:
+# 1. number to display.
+# If input for number is empty only the title will be displayed.
+# 2. title text to display.
+# 3. optional id for the
+# Outputs - a scalar containing html mark-up for the div.
+
sub topic_bar {
- my ($imgnum,$title) = @_;
- return '
-
-
- '.$title.'
-
-';
+ my ($num,$title,$id) = @_;
+ my $number = '';
+ if ($num ne '') {
+ $number = ''.$num.'';
+ }
+ if ($id ne '') {
+ $id = 'id="'.$id.'"';
+ }
+ return '
'.$number.$title.'
';
}
##############################################
##############################################
-
# echo_form_input
#
# Generates html markup to add form elements from the referrer page
@@ -1880,30 +2774,30 @@ sub echo_form_input {
if ($key =~ /^form\.(.+)$/) {
my $name = $1;
my $match = 0;
- if ((!@{$excluded}) || (!grep/^$name$/,@{$excluded})) {
- if (defined($regexps)) {
- if (@{$regexps} > 0) {
- foreach my $regexp (@{$regexps}) {
- if ($name =~ /\Q$regexp\E/) {
- $match = 1;
- last;
- }
+ if (ref($excluded) eq 'ARRAY') {
+ next if (grep(/^\Q$name\E$/,@{$excluded}));
+ }
+ if (ref($regexps) eq 'ARRAY') {
+ if (@{$regexps} > 0) {
+ foreach my $regexp (@{$regexps}) {
+ if ($name =~ /$regexp/) {
+ $match = 1;
+ last;
}
}
}
- if (!$match) {
- if (ref($env{$key})) {
- foreach my $value (@{$env{$key}}) {
- $value = &HTML::Entities::encode($value,'<>&"');
- $output .= ''."\n";
- }
- } else {
- my $value = &HTML::Entities::encode($env{$key},'<>&"');
- $output .= ''."\n";
- }
+ }
+ next if ($match);
+ if (ref($env{$key}) eq 'ARRAY') {
+ foreach my $value (@{$env{$key}}) {
+ $value = &HTML::Entities::encode($value,'<>&"');
+ $output .= ''."\n";
}
+ } else {
+ my $value = &HTML::Entities::encode($env{$key},'<>&"');
+ $output .= ''."\n";
}
}
}
@@ -1912,7 +2806,6 @@ sub echo_form_input {
##############################################
##############################################
-
# set_form_elements
#
# Generates javascript to set form elements to values based on
@@ -1977,7 +2870,7 @@ sub set_form_elements {
$values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g;
$values{$name}[$i] =~ s/"/\\"/g;
}
- if ($$elements{$name} eq 'text') {
+ if (($$elements{$name} eq 'text') || ($$elements{$name} eq 'hidden')) {
my $numvalues = @{$values{$name}};
if ($numvalues > 1) {
my $valuestring = join('","',@{$values{$name}});
@@ -2012,6 +2905,8 @@ sub set_form_elements {
$output .= qq|
if (courseForm.elements['$name'].value == "$value") {
courseForm.elements['$name'].checked = true;
+ } else {
+ courseForm.elements['$name'].checked = false;
}|;
}
}
@@ -2053,6 +2948,7 @@ sub set_form_elements {
}
}
$output .= "
+ return;
}\n";
return $output;
}
@@ -2060,6 +2956,654 @@ sub set_form_elements {
##############################################
##############################################
+sub file_submissionchk_js {
+ my ($turninpaths,$multiples) = @_;
+ my $overwritewarn = &mt('File(s) you uploaded for your submission will overwrite existing file(s) submitted for this item')."\n".
+ &mt('Continue submission and overwrite the file(s)?');
+ &js_escape(\$overwritewarn);
+ my $delfilewarn = &mt('You have indicated you wish to remove some files previously included in your submission.')."\n".
+ &mt('Continue submission with these files removed?');
+ &js_escape(\$delfilewarn);
+ my ($turninpathtext,$multtext,$arrayindexofjs);
+ if (ref($turninpaths) eq 'HASH') {
+ foreach my $key (sort(keys(%{$turninpaths}))) {
+ $turninpathtext .= " if (prefix == '$key') {\n".
+ " return '$turninpaths->{$key}';\n".
+ " }\n";
+ }
+ }
+ $turninpathtext .= " return '';\n";
+ if (ref($multiples) eq 'HASH') {
+ foreach my $key (sort(keys(%{$multiples}))) {
+ $multtext .= " if (prefix == '$key') {\n".
+ " return '$multiples->{$key}';\n".
+ " }\n";
+ }
+ }
+ $multtext .= " return '';\n";
+
+ $arrayindexofjs = &Apache::loncommon::javascript_array_indexof();
+ return <<"ENDSCRIPT";
+
+
+$arrayindexofjs
+
+ENDSCRIPT
+}
+
+##############################################
+##############################################
+
+sub resize_scrollbox_js {
+ my ($context,$tabidstr,$tid) = @_;
+ my (%names,$paddingwfrac,$offsetwfrac,$offsetv,$minw,$minv);
+ if ($context eq 'docs') {
+ %names = (
+ boxw => 'contenteditor',
+ item => 'contentlist',
+ header => 'uploadfileresult',
+ scroll => 'contentscroll',
+ boxh => 'contenteditor',
+ );
+ $paddingwfrac = 0.09;
+ $offsetwfrac = 0.015;
+ $offsetv = 20;
+ $minw = 250;
+ $minv = 200;
+ } elsif ($context eq 'params') {
+ %names = (
+ boxw => 'parameditor',
+ item => 'mapmenuinner',
+ header => 'parmstep1',
+ scroll => 'mapmenuscroll',
+ boxh => 'parmlevel',
+ );
+ $paddingwfrac = 0.2;
+ $offsetwfrac = 0.015;
+ $offsetv = 80;
+ $minw = 100;
+ $minv = 100;
+ }
+ my $viewport_js = &Apache::loncommon::viewport_geometry_js();
+ my $output = '
+
+window.onresize=callResize;
+
+';
+ if ($context eq 'docs') {
+ if ($env{'form.active'}) {
+ $output .= "\nvar activeTab = '$env{'form.active'}$tid';\n";
+ } else {
+ $output .= "\nvar activeTab = '';\n";
+ }
+ }
+ $output .= <<"FIRST";
+
+$viewport_js
+
+function resize_scrollbox(scrollboxname,chkw,chkh) {
+ var scrollboxid = 'div_'+scrollboxname;
+ var scrolltableid = 'table_'+scrollboxname;
+ var scrollbox;
+ var scrolltable;
+ var ismobile = '$env{'browser.mobile'}';
+
+ if (document.getElementById("$names{'boxw'}") == null) {
+ return;
+ }
+
+ if (document.getElementById(scrollboxid) == null) {
+ return;
+ } else {
+ scrollbox = document.getElementById(scrollboxid);
+ }
+
+
+ if (document.getElementById(scrolltableid) == null) {
+ return;
+ } else {
+ scrolltable = document.getElementById(scrolltableid);
+ }
+
+ init_geometry();
+ var vph = Geometry.getViewportHeight();
+ var vpw = Geometry.getViewportWidth();
+
+FIRST
+ if ($context eq 'docs') {
+ $output .= "
+ var alltabs = ['$tabidstr'];
+";
+ } elsif ($context eq 'params') {
+ $output .= "
+ if (document.getElementById('$names{'boxh'}') == null) {
+ return;
+ }
+";
+ }
+ $output .= <<"SECOND";
+ var listwchange;
+ var scrollchange;
+ if (chkw == 1) {
+ var boxw = document.getElementById("$names{'boxw'}").offsetWidth;
+ var itemw;
+ var itemid = document.getElementById("$names{'item'}");
+ if (itemid != null) {
+ itemw = itemid.offsetWidth;
+ }
+ var itemwstart = itemw;
+
+ var scrollboxw = scrollbox.offsetWidth;
+ var scrollboxscrollw = scrollbox.scrollWidth;
+ var scrollstart = scrollboxw;
+
+ var offsetw = parseInt(vpw * $offsetwfrac);
+ var paddingw = parseInt(vpw * $paddingwfrac);
+
+ var minscrollboxw = $minw;
+ var maxcolw = 0;
+SECOND
+ if ($context eq 'docs') {
+ $output .= <<"DOCSONE";
+ var actabw = 0;
+ for (var i=0; i maxcolw) {
+ maxcolw = actabw;
+ }
+ } else {
+ if (document.getElementById(alltabs[i]) != null) {
+ var thistab = document.getElementById(alltabs[i]);
+ thistab.style.visibility = 'hidden';
+ thistab.style.display = 'block';
+ var tabw = document.getElementById(alltabs[i]).offsetWidth;
+ thistab.style.display = 'none';
+ thistab.style.visibility = '';
+ if (tabw > maxcolw) {
+ maxcolw = tabw;
+ }
+ }
+ }
+ }
+DOCSONE
+ } elsif ($context eq 'params') {
+ $output .= <<"PARAMSONE";
+ var parmlevelrows = new Array();
+ var mapmenucells = new Array();
+ parmlevelrows = document.getElementById("$names{'boxh'}").rows;
+ var numrows = parmlevelrows.length;
+ if (numrows > 1) {
+ mapmenucells = parmlevelrows[2].getElementsByTagName('td');
+ }
+ maxcolw = mapmenucells[0].offsetWidth;
+PARAMSONE
+ }
+ $output .= <<"THIRD";
+ if (maxcolw > 0) {
+ var newscrollboxw;
+ if (maxcolw+paddingw+scrollboxscrollw scrollboxheight) {
+ if (freevspace > offsetv) {
+ newscrollboxheight = scrollboxheight+freevspace-offsetv;
+ if (newscrollboxheight < minvscrollbox) {
+ newscrollboxheight = minvscrollbox;
+ }
+ scrollbox.style.height = newscrollboxheight+"px";
+ }
+ }
+ }
+ scrollboxheight = scrollbox.offsetHeight;
+ var itemh = document.getElementById("$names{'item'}").offsetHeight;
+
+ if (scrollboxscrollheight <= scrollboxheight) {
+ if ((itemh+offsetv)&');
+ if ($symb) {
+ $cfile .= '&symb='.&HTML::Entities::encode($symb,'"<>&');
+ } elsif ($folderpath) {
+ $cfile .= '&folderpath='.&HTML::Entities::encode($folderpath,'"<>&');
+ }
+ if ($forceedit) {
+ $cfile .= '&forceedit=1';
+ }
+ if ($forcereg) {
+ $cfile .= '®ister=1';
+ }
+ $jscall = "need_switchserver('".&Apache::loncommon::escape_single($cfile)."');";
+ }
+ } else {
+ unless ($cfile =~ m{^/priv/}) {
+ if ($cfile =~ m{^(/adm/wrapper/ext/([^#]+))#([^#]+)$}) {
+ $cfile = $1;
+ my $extlink = $2;
+ $anchor = $3;
+ $is_ext = 1;
+ if (($extlink !~ /^https:/) && ($ENV{'SERVER_PORT'} == 443)) {
+ $usehttp = 1;
+ } elsif ($env{'request.use_absolute'}) {
+ if ($env{'request.use_absolute'} =~ m{^https://}) {
+ $usehttps = 1;
+ }
+ }
+ } elsif ($cfile =~ m{^/?public/($match_domain)/($match_courseid)/syllabus}) {
+ if ($ENV{'SERVER_PORT'} == 443) {
+ my ($cdom,$cnum) = ($1,$2);
+ if (($env{'request.course.id'}) &&
+ ($env{'course.'.$env{'request.course.id'}.'.num'} eq $cnum) &&
+ ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $cdom)) {
+ if ($env{'course.'.$env{'request.course.id'}.'.externalsyllabus'} =~ m{^http://}) {
+ $usehttp = 1;
+ }
+ }
+ } elsif ($env{'request.use_absolute'}) {
+ if ($env{'request.use_absolute'} =~ m{^https://}) {
+ $usehttps = 1;
+ }
+ }
+ }
+ if ($symb) {
+ if ($anchor ne '') {
+ if ($symb =~ m{^([^#]+)\Q#$anchor\E$}) {
+ $symb = $1.&escape(&escape('#')).$anchor;
+ }
+ }
+ $cfile .= (($cfile=~/\?/)?'&':'?')."symb=$symb";
+ } elsif ($folderpath) {
+ $cfile .= (($cfile=~/\?/)?'&':'?').
+ 'folderpath='.&HTML::Entities::encode(&escape($folderpath),'"<>&');
+ if ($title) {
+ $cfile .= (($cfile=~/\?/)?'&':'?').
+ 'title='.&HTML::Entities::encode(&escape($title),'"<>&');
+ }
+ if ($idx) {
+ $cfile .= (($cfile=~/\?/)?'&':'?').'idx='.$idx;
+ }
+ if ($suppurl) {
+ $cfile .= (($cfile=~/\?/)?'&':'?').
+ 'suppurl='.&HTML::Entities::encode(&escape($suppurl));
+ }
+ }
+ if ($forceedit) {
+ $cfile .= (($cfile=~/\?/)?'&':'?').'forceedit=1';
+ if ($usehttps) {
+ $cfile = $env{'request.use_absolute'}.(($cfile =~ /^\//)? '':'/').$cfile;
+ }
+ } elsif ($usehttp) {
+ if ($hostname ne '') {
+ $cfile = 'http://'.$hostname.(($cfile =~ /^\//)? '':'/').$cfile;
+ }
+ unless ($is_ext) {
+ $cfile .= (($cfile=~/\?/)?'&':'?').'usehttp=1';
+ }
+ } elsif ($usehttps) {
+ $cfile = $env{'request.use_absolute'}.(($cfile =~ /^\//)? '':'/').$cfile;
+ }
+ if ($forcereg) {
+ $cfile .= (($cfile=~/\?/)?'&':'?').'register=1';
+ }
+ if ($todocs) {
+ $cfile .= (($cfile=~/\?/)?'&':'?').'todocs=1';
+ }
+ if ($suppanchor ne '') {
+ $cfile .= (($cfile=~/\?/)?'&':'?').'anchor='.
+ &HTML::Entities::encode($suppanchor,'"<>&');
+ }
+ }
+ if ($anchor ne '') {
+ $cfile .= '#'.$anchor;
+ }
+ $jscall = "go('".&Apache::loncommon::escape_single($cfile)."')";
+ }
+ return $jscall;
+}
+
+##############################################
+##############################################
+
# javascript_valid_email
#
# Generates javascript to validate an e-mail address.
@@ -2094,6 +3638,127 @@ END
return $scripttag;
}
+
+# USAGE: htmltag(element, content, {attribute => value,...});
+#
+# EXAMPLES:
+# - htmltag('a', 'this is an anchor', {href => 'www.example.com',
+# title => 'this is a title'})
+#
+# - You might want to set up needed tags like:
+#
+# my $h3 = sub { return htmltag( "h3", @_ ) };
+#
+# ... and use them: $h3->("This is a headline")
+#
+# - To set up a couple of tags, see sub inittags
+#
+# NOTES:
+# - Empty elements, such as are correctly terminated,
+# i.e. htmltag('br') returns
+# - Empty attributes (title="") are filtered out.
+# - The function will not check for deprecated attributes.
+#
+# OUTPUT: content enclosed in xhtml conform tags
+sub htmltag{
+ return
+ qq|<$_[0]|
+ . join( '', map { qq| $_="${$_[2]}{$_}"| if ${$_[2]}{$_} } keys(%{ $_[2] }) )
+ . ($_[1] ? qq|>$_[1]$_[0]>| : qq|/>|). "\n";
+};
+
+
+# USAGE: inittags(@tags);
+#
+# EXAMPLES:
+# - my ($h1, $h2, $h3) = inittags( qw( h1 h2 h3 ) )
+# $h1->("This is a headline") #Returns:
This is a headline
+#
+# NOTES: See sub htmltag for further information.
+#
+# OUTPUT: List of subroutines.
+sub inittags {
+ my @tags = @_;
+ return map { my $tag = $_;
+ sub { return htmltag( $tag, @_ ) }
+ } @tags;
+}
+
+
+# USAGE: scripttag(scriptcode, [start|end|both]);
+#
+# EXAMPLES:
+# - scripttag("alert('Hello World!')", 'both')
+# returns:
+#
+#
+# NOTES:
+# - works currently only for javascripts
+#
+# OUTPUT:
+# Scriptcode properly enclosed in