--- loncom/interface/lonhtmlcommon.pm 2002/08/30 15:35:08 1.9 +++ loncom/interface/lonhtmlcommon.pm 2018/12/27 20:10:31 1.394 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common html routines # -# $Id: lonhtmlcommon.pm,v 1.9 2002/08/30 15:35:08 stredwic Exp $ +# $Id: lonhtmlcommon.pm,v 1.394 2018/12/27 20:10:31 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -25,370 +25,4053 @@ # # http://www.lon-capa.org/ # +###################################################################### +###################################################################### + +=pod + +=head1 NAME + +Apache::lonhtmlcommon - routines to do common html things + +=head1 SYNOPSIS + +Referenced by other mod_perl Apache modules. + +=head1 INTRODUCTION + +lonhtmlcommon is a collection of subroutines used to present information +in a consistent html format, or provide other functionality related to +html. + +=head2 General Subroutines + +=over 4 + +=cut + +###################################################################### +###################################################################### package Apache::lonhtmlcommon; use strict; +use Time::Local; +use Time::HiRes; +use Apache::lonlocal; +use Apache::lonnet; +use HTML::Entities(); +use LONCAPA qw(:DEFAULT :match); + +sub java_not_enabled { + if (($env{'browser.mobile'}) && ($env{'browser.mobile'} =~ /^ipad|ipod|iphone$/i)) { + return "\n".''. + &mt('The required Java applet could not be started, because Java is not supported by your mobile device.'). + "\n"; + } else { + return "\n".''. + &mt('The required Java applet could not be started. Please make sure to have Java installed and active in your browser.'). + "\n"; + } +} -sub AscendOrderOptions { - my ($order, $page, $formName)=@_; +sub coursepreflink { + my ($text,$category)=@_; + if (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) { + my $target =' target="_top"'; + if (($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) { + $target =''; + } + return '&"').'">'.$text.''; + } else { + return ''; + } +} + +sub raw_href_to_link { + my ($message)=@_; + $message=~s/(https?\:\/\/[^\s\'\"\<]+)([\s\<]|$)/$1<\/tt><\/a>$2/gi; + return $message; +} - my $OpSel1 = ''; - my $OpSel2 = ''; +sub entity_encode { + my ($text)=@_; + return &HTML::Entities::encode($text, '\'<>&"'); +} - if($order eq 'Ascending') { - $OpSel1 = ' selected'; +sub direct_parm_link { + my ($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')) { + my $target=' target="_top"'; + if (($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) { + $target=''; + } + return "$linktext"; } else { - $OpSel2 = ' selected'; + return $linktext; } +} +############################################## +############################################## - my $Str = ''; - $Str .= ''."\n"; + my $buttontext=&mt('Edit Math'); + return <$help_text +ENDDRAGMATH +} - return $Str; +############################################## + +=pod + +=item &dragmath_js() + +Javascript used to open pop-up window containing dragmath applet which +can be used to paste LaTeX into a textarea. + +=cut + +sub dragmath_js { + my ($popup) = @_; + return < + // + + +ENDDRAGMATHJS } -sub MapOptions { - my ($data, $page, $formName)=@_; - my $Str = ''; - $Str .= ''."\n"; +############################################## +############################################## - return $Str; +sub recent_filename { + my $area=shift; + return 'nohist_recent_'.&escape($area); } -sub ProblemOptions { - my ($data, $page, $map, $formName)=@_; - my $Str = ''; - $Str .= '\n"; + foreach my $value (sort(keys(%recent))) { + unless ($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'; } } - $Str .= '= $n)) {last;} + } + + return %return_hash; +} + +sub get_recent_frozen { + my ($area) = @_; + my %recent=&Apache::lonnet::dump(&recent_filename($area)); + +# Create hash with all 'frozen' items + my %return_hash = (); + foreach my $item (keys(%recent)) { + my ($thistime,$thisvalue)=(split(/\&/,$recent{$item})); + if ($thistime eq 'always_include') { + $return_hash{$item} = &unescape($thisvalue); + } + } + return %return_hash; +} + + +=pod + +=item &textbox() + +=cut + +############################################## +############################################## +sub textbox { + my ($name,$value,$size,$special) = @_; + $size = 40 if (! defined($size)); + $value = &HTML::Entities::encode($value,'<>&"'); + my $Str = ''; return $Str; } -sub PartOptions { - my ($data, $page, $parts, $formName)=@_; - my $Str = ''; +############################################## +############################################## - if(!defined($parts)) { - return ''; - } +=pod - $Str .= ''."\n"; +=pod + +=item &radiobutton() + +=cut + +############################################## +############################################## +sub radio { + my ($name,$checked,$value) = @_; + my $Str = ' +// 31) { + document.$formname.$dname\_day.value = 31; + } + if ((month == 1) || (month == 3) || (month == 5) || + (month == 7) || (month == 8) || (month == 10) || + (month == 12)) { + if (day > 31) { + document.$formname.$dname\_day.value = 31; + day = 31; + } + } else if (month == 2 ) { + if ((year % 4 == 0) && (year % 100 != 0)) { + if (day > 29) { + document.$formname.$dname\_day.value = 29; + } + } else if (day > 29) { + document.$formname.$dname\_day.value = 28; + } + } else if (day > 30) { + document.$formname.$dname\_day.value = 30; + } + } + + function $dname\_disable() { + document.$formname.$dname\_month.disabled=true; + document.$formname.$dname\_day.disabled=true; + document.$formname.$dname\_year.disabled=true; + document.$formname.$dname\_hour.disabled=true; + document.$formname.$dname\_minute.disabled=true; + document.$formname.$dname\_second.disabled=true; } - $Str .= '>'."\n"; - my $selected=0; + function $dname\_enable() { + document.$formname.$dname\_month.disabled=false; + document.$formname.$dname\_day.disabled=false; + document.$formname.$dname\_year.disabled=false; + document.$formname.$dname\_hour.disabled=false; + document.$formname.$dname\_minute.disabled=false; + document.$formname.$dname\_second.disabled=false; + } - foreach (@$students) { - $Str .= ' + +ENDJS + $result .= ' '; + my $monthselector = qq{'; + # Day + my $dayselector = qq{}; + # Year + my $yearselector = qq{}; + # + my $hourselector = qq{\n"; + my $minuteselector = qq{}; + my $secondselector= qq{}; + my $cal_link; + unless (($nolink) || ($state eq 'disabled')) { + $cal_link = qq{}; + } + # + my $tzone = ' '.$tzname.' '; + if ($no_hh_mm_ss) { + $result .= &mt('[_1] [_2] [_3] ', + $monthselector,$dayselector,$yearselector). + $tzone; + } elsif ($no_mm_ss) { + $result .= &mt('[_1] [_2] [_3] [_4]', + $monthselector,$dayselector,$yearselector, + $hourselector). + $tzone; + + } elsif ($no_ss) { + $result .= &mt('[_1] [_2] [_3] [_4] [_5]m', + $monthselector,$dayselector,$yearselector, + $hourselector,$minuteselector). + $tzone; - $Str .= ''); + } + $result .= "\n\n"; + return $result; +} - $Str .= 'from_epoch(epoch => $epoch) + ->set_time_zone(&Apache::lonlocal::gettimezone()); + my $tzname = $dt->time_zone_short_name(); + my $sec = $dt->second; + my $min = $dt->minute; + my $hour = $dt->hour; + my $mday = $dt->day; + my $month = $dt->month; + if ($month) { + $month --; } - $Str .= '>All Students'."\n"; + my $year = $dt->year; + return ($tzname,$sec,$min,$hour,$mday,$month,$year); +} - $Str .= ''."\n"; +sub build_url { + my ($base, $fields)=@_; + my $url; + $url = $base.'?'; + foreach my $key (keys(%$fields)) { + $url.=&escape($key).'='.&escape($$fields{$key}).'&'; + } + $url =~ s/&$//; + return $url; +} + + +############################################## +############################################## + +=pod + +=item &get_date_from_form() + +get_date_from_form retrieves the date specified in an &date_setter form. +=over + +=item Inputs: + +=over 4 + +=item $dname + +The name passed to &date_setter, which prefixes the form elements. + +=item $defaulttime + +The unix time to use as the default in case of poor inputs. + +=back + +=back + +Returns: Unix time represented in the form. + +=cut + +############################################## +############################################## +sub get_date_from_form { + my ($dname) = @_; + my ($sec,$min,$hour,$day,$month,$year); + # + if (defined($env{'form.'.$dname.'_second'})) { + my $tmpsec = $env{'form.'.$dname.'_second'}; + if (($tmpsec =~ /^\d+$/) && ($tmpsec >= 0) && ($tmpsec < 60)) { + $sec = $tmpsec; + } + if (!defined($tmpsec) || $tmpsec eq '') { $sec = 0; } + } else { + $sec = 0; + } + if (defined($env{'form.'.$dname.'_minute'})) { + my $tmpmin = $env{'form.'.$dname.'_minute'}; + if (($tmpmin =~ /^\d+$/) && ($tmpmin >= 0) && ($tmpmin < 60)) { + $min = $tmpmin; + } + if (!defined($tmpmin) || $tmpmin eq '') { $min = 0; } + } else { + $min = 0; + } + if (defined($env{'form.'.$dname.'_hour'})) { + my $tmphour = $env{'form.'.$dname.'_hour'}; + if (($tmphour =~ /^\d+$/) && ($tmphour >= 0) && ($tmphour < 24)) { + $hour = $tmphour; + } + } else { + $hour = 0; + } + if (defined($env{'form.'.$dname.'_day'})) { + my $tmpday = $env{'form.'.$dname.'_day'}; + if (($tmpday =~ /^\d+$/) && ($tmpday > 0) && ($tmpday < 32)) { + $day = $tmpday; + } + } + if (defined($env{'form.'.$dname.'_month'})) { + my $tmpmonth = $env{'form.'.$dname.'_month'}; + if (($tmpmonth =~ /^\d+$/) && ($tmpmonth > 0) && ($tmpmonth < 13)) { + $month = $tmpmonth; + } + } + if (defined($env{'form.'.$dname.'_year'})) { + my $tmpyear = $env{'form.'.$dname.'_year'}; + if (($tmpyear =~ /^\d+$/) && ($tmpyear >= 1970)) { + $year = $tmpyear; + } + } + if (($year<1970) || ($year>2037)) { return undef; } + if (defined($sec) && defined($min) && defined($hour) && + defined($day) && defined($month) && defined($year)) { + my $timezone = &Apache::lonlocal::gettimezone(); + my $dt = DateTime->new( year => $year, + month => $month, + day => $day, + hour => $hour, + minute => $min, + second => $sec, + time_zone => $timezone, + ); + my $epoch_time = $dt->epoch; + if ($epoch_time ne '') { + return $epoch_time; + } else { + return undef; + } + } else { + return undef; + } +} + +############################################## +############################################## + +=pod + +=item &pjump_javascript_definition() + +Returns javascript defining the 'pjump' function, which opens up a +parameter setting wizard. + +=cut + +############################################## +############################################## +sub pjump_javascript_definition { + my $Str = <Active'."\n"; - $Str .= 'Expired'."\n"; - $Str .= 'Any'."\n"; + foreach my $type (['Active', &mt('Currently Has Access')], + ['Future', &mt('Will Have Future Access')], + ['Expired', &mt('Previously Had Access')], + ['Any', &mt('Any Access Status')]) { + my ($name,$label) = @$type; + $Str .= ' +ENDLINK +} + +# ------------------------------------------------- Output headers for CKEditor + +sub htmlareaheaders { + my $s=""; + if (&htmlareabrowser()) { + $s.=(< +ENDEDITOR + } + $s.=(< + + + + + + + + + + + +ENDJQUERY + return $s; +} + +# ----------------------------------------------------------------- Preferences + +# ------------------------------------------------- lang to use in html editor +sub htmlarea_lang { + my $lang='en'; + if (&mt('htmlarea_lang') ne 'htmlarea_lang') { + $lang=&mt('htmlarea_lang'); + } + return $lang; +} + +# return javacsript to activate elements of .colorchooser with jpicker: +# Caller is responsible for enclosing this in '; + return $output; +} + +# --------------------------------------------------------------------- Blocked + +sub htmlareablocked { + unless ($env{'environment.wysiwygeditor'} eq 'on') { return 1; } + return 0; +} + +# ---------------------------------------- Browser capable of running HTMLArea? + +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|ext\.tool)($|\?)}) + )); +} + + +## +# 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 &CreateTableHeadings() +=item &breadcrumbs() -This function generates the column headings for the chart. +Compiles the previously registered breadcrumbs into an series of links. +Additionally supports a 'component', which will be displayed on the +right side of the breadcrumbs enclosing div (without a link). +A link to help for the component will be included if one is specified. -=over 4 +All inputs can be undef without problems. + +=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() + +Clears the previously stored breadcrumbs. + +=item &add_breadcrumb() + +Pushes a breadcrumb on the stack of crumbs. + +input: $breadcrumb, a hash reference. The keys 'href','title', and 'text' +are required. If present the keys 'faq' and 'bug' will be used to provide +links to the FAQ and bug sites. If the key 'no_mt' is present the 'title' +and 'text' values won't be sent through &mt() -Inputs: $CacheData, $keyID, $headings, $spacePadding +returns: nothing -$CacheData: pointer to a hash tied to the cached data database +=cut + +############################################################ +############################################################ +{ + my @Crumbs; + my %tools = (); + + sub breadcrumbs { + my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt, + $CourseBreadcrumbs,$topic_help,$topic_help_text,$crstype) = @_; + # + $css_class ||= 'LC_breadcrumbs'; + + # Make the faq and bug data cascade + my $faq = ''; + my $bug = ''; + my $help = ''; + # Crumb Symbol + my $crumbsymbol = '»'; + # The last breadcrumb does not have a link, so handle it separately. + my $last = pop(@Crumbs); + # + # The first one should be the course or a menu link + if (!defined($menulink)) { $menulink=1; } + if ($menulink) { + my $description = 'Menu'; + my $no_mt_descr = 0; + 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; + } + } + } + my $target = '_top'; + if (($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) { + $target=''; + } + $menulink = { href =>'/adm/menu', + title =>'Go to main menu', + target =>$target, + text =>$description, + no_mt =>$no_mt_descr, }; + if($last) { + #$last set, so we have some crumbs + unshift(@Crumbs,$menulink); + } else { + #only menulink crumb present + $last = $menulink; + } + } + 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'; + if (($env{'request.lti.login'}) && ($env{'request.lti.target'} eq 'iframe')) { + $hashref->{'target'} = ''; + } + } + $links=&htmltag( 'a',''.$alttext.'', + $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'})); + $help = $last->{'help'} if (exists($last->{'help'})); + $component_help=($component_help?$component_help:$help); +# if ($faq ne '') { +# $icons .= &Apache::loncommon::help_open_faq($faq); +# } +# 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 ($topic_help && $topic_help_text) { + $icons .= ' '.&Apache::loncommon::help_open_topic($topic_help,&mt($topic_help_text),'', + undef,600); + } + # + + + if ($links ne '') { + unless ($CourseBreadcrumbs) { + $links = &htmltag('ol', $links, { id => "LC_MenuBreadcrumbs" }); + } else { + $links = &htmltag('ul', $links, { class => "LC_CourseBreadcrumbs" }); + } + } + + + if (($component) || ($topic_help && $topic_help_text)) { + $links = &htmltag('span', + ( $no_mt ? $component : mt($component) ). + ( $icons ? $icons : '' ), + { class => 'LC_breadcrumbs_component' } ) + .$links +; + } + my $nav_and_tools = 0; + foreach my $item ('navigation','tools') { + if (ref($tools{$item}) eq 'ARRAY') { + $nav_and_tools += scalar(@{$tools{$item}}) + } + } + if (($links ne '') || ($nav_and_tools)) { + &render_tools(\$links); + $links = &htmltag('div', $links, + { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ; + } + my $adv_tools = 0; + if (ref($tools{'advtools'}) eq 'ARRAY') { + $adv_tools = scalar(@{$tools{'advtools'}}); + } + if (($links ne '') || ($adv_tools)) { + &render_advtools(\$links); + } + + # Return the @Crumbs stack to what we started with + push(@Crumbs,$last); + shift(@Crumbs); + + + # Return the breadcrumb's line + + + + return "$links"; + } + + sub clear_breadcrumbs { + undef(@Crumbs); + undef(%tools); + } + + sub add_breadcrumb { + push(@Crumbs,@_); + } + +=item &add_breadcrumb_tool($category, $html) + +Adds $html to $category of the breadcrumb toolbar container. + +$html is usually a link to a page that invokes a function on the currently +displayed data (e.g. print when viewing a problem) + +=over -$keyID: a pointer to an array containing the names of the data -held in a column and is used as part of a key into $CacheData +=item Currently there are 3 possible values for $category: -$headings: The names of the headings for the student information +=over -$spacePadding: The spaces to go between columns +=item navigation +left of breadcrumbs line -Output: $Str +=item tools +remaining items in right of breadcrumbs line -$Str: A formatted string of the table column headings. +=item advtools +advanced tools shown in a separate box below breadcrumbs line =back +=back + +returns: nothing + +=cut + + sub add_breadcrumb_tool { + my ($category, @html) = @_; + return unless @html; + if (!keys(%tools)) { + %tools = ( navigation => [], tools => [], advtools => []); + } + + #this cleans data received from lonmenu::innerregister + @html = grep {defined $_ && $_ ne ''} @html; + for (@html) { + s/align="(right|left)"//; +# s/// if $category ne 'advtools'; + } + + push @{$tools{$category}}, @html; + } + +=item &clear_breadcrumb_tools() + +Clears the breadcrumb toolbar container. + +returns: nothing + +=cut + + sub clear_breadcrumb_tools { + undef(%tools); + } + +=item ¤t_breadcrumb_tools() + +returns: a hash containing the current breadcrumb tools. + =cut -sub CreateHeadings { - my ($data,$keyID,$headings,$displayString,$format)=@_; - my $Str=''; - my $formatting = ''; + sub current_breadcrumb_tools { + return %tools; + } + +=item &render_tools(\$breadcrumbs) + +Creates html for breadcrumb tools (categories navigation and tools) and inserts +\$breadcrumbs at the correct position. + +=over + +=item input: + +=over + +=item \$breadcrumbs - a reference to the string containing prepared breadcrumbs. + +=back - for(my $index=0; $index<(scalar @$headings); $index++) { - my $currentHeading=$headings->[$index]; - if($format eq 'preformatted') { - my @dataLength=split(//,$currentHeading); - my $length=scalar @dataLength; - $formatting = (' 'x - ($data->{$keyID->[$index].':columnWidth'}-$length)); +=back + +returns: nothing + +=cut + +#TODO might split this in separate functions for each category + sub render_tools { + my ($breadcrumbs) = @_; + return unless (keys(%tools)); + + my $navigation = list_from_array($tools{navigation}, + { listattr => { class=>"LC_breadcrumb_tools_navigation" } }); + my $tools = list_from_array($tools{tools}, + { listattr => { class=>"LC_breadcrumb_tools_tools" } }); + $$breadcrumbs = list_from_array([$navigation, $tools, $$breadcrumbs], + { listattr => { class=>'LC_breadcrumb_tools_outerlist' } }); + } + +=pod + +=item &render_advtools(\$breadcrumbs) + +Creates html for advanced tools (category advtools) and inserts \$breadcrumbs +at the correct position. + +=over + +=item input: + +=over + +=item \$breadcrumbs - a reference to the string containing prepared breadcrumbs (after render_tools call). + +=back + +=back + +returns: nothing + +=cut + + sub render_advtools { + my ($breadcrumbs) = @_; + return unless (defined $tools{'advtools'}) + and (scalar(@{$tools{'advtools'}}) > 0); + + $$breadcrumbs .= Apache::loncommon::head_subbox( + funclist_from_array($tools{'advtools'}) ); + } + +} # End of scope for @Crumbs + +sub docs_breadcrumbs { + my ($allowed,$crstype,$contenteditor,$title,$precleared)=@_; + my ($folderpath,@folders,$supplementalflag); + @folders = split('&',$env{'form.folderpath'}); + if ($env{'form.folderpath'} =~ /^supplemental/) { + $supplementalflag = 1; + } + my $plain=''; + my $container = 'sequence'; + my ($randompick,$isencrypted,$ishidden,$is_random_order) = (-1,0,0,0); + my @docs_crumbs; + while (@folders) { + my $folder=shift(@folders); + my $foldername=shift(@folders); + if ($folderpath) {$folderpath.='&';} + $folderpath.=$folder.'&'.$foldername; + my $url = $env{'request.use_absolute'}; + if ($allowed) { + $url .= '/adm/coursedocs?folderpath='; + } else { + $url .= '/adm/supplemental?folderpath='; + } + $url .= &escape($folderpath); + my $name=&unescape($foldername); +# each of randompick number, hidden, encrypted, random order, is_page +# are appended with ":"s to the foldername + $name=~s/\:(\d*)\:(\w*)\:(\w*):(\d*)\:?(\d*)$//; + unless ($supplementalflag) { + if ($contenteditor) { + if ($1 ne '') { + $randompick=$1; + } else { + $randompick=-1; + } + if ($2) { $ishidden=1; } + if ($3) { $isencrypted=1; } + if ($4 ne '') { $is_random_order = 1; } + if ($5 == 1) {$container = 'page'; } + } + } + if ($folder eq 'supplemental') { + $name = &mt('Supplemental Content'); } - my $linkdata=$keyID->[$index]; + if ($contenteditor) { + $plain.=$name.' > '; + } + push(@docs_crumbs, + {'href' => $url, + 'title' => $name, + 'text' => $name, + 'no_mt' => 1, + }); + } + if ($title) { + push(@docs_crumbs, + {'title' => $title, + 'text' => $title, + 'no_mt' => 1,} + ); + } + if (wantarray) { + unless ($precleared) { + &clear_breadcrumbs(); + } + &add_breadcrumb(@docs_crumbs); + if ($contenteditor) { + $plain=~s/\>\;\s*$//; + } + my $menulink = 0; + if (!$allowed && !$contenteditor) { + $menulink = 1; + } + return (&breadcrumbs(undef,undef,$menulink,'nohelp',undef,undef, + $contenteditor), + $randompick,$ishidden,$isencrypted,$plain, + $is_random_order,$container); + } else { + return \@docs_crumbs; + } +} - my $tempString = $displayString; - $tempString =~ s/LINKDATA/$linkdata/; - $tempString =~ s/DISPLAYDATA/$currentHeading/; - $tempString =~ s/FORMATTING/$formatting/; +############################################################ +############################################################ - $Str .= $tempString; +# Nested table routines. +# +# Routines to display form items in a multi-row table with 2 columns. +# Uses nested tables to divide form elements into segments. +# For examples of use see loncom/interface/lonnotify.pm +# +# Can be used in following order: ... +# &start_pick_box() +# row1 +# row2 +# row3 ... etc. +# &submit_row() +# &end_pick_box() +# +# where row1, row 2 etc. are chosen from &role_select_row,&course_select_row, +# &status_select_row and &email_default_row +# +# Can also be used in following order: +# +# &start_pick_box() +# &row_title() +# &row_closure() +# &row_title() +# &row_closure() ... etc. +# &submit_row() +# &end_pick_box() +# +# In general a &submit_row() call should proceed the call to &end_pick_box(), +# as this routine adds a button for form submission. +# &submit_row() does not require a &row_closure after it. +# +# &start_pick_box() creates a bounding table with 1-pixel wide black border. +# rows should be placed between calls to &start_pick_box() and &end_pick_box. +# +# &row_title() adds a title in the left column for each segment. +# &row_closure() closes a row with a 1-pixel wide black line. +# +# &role_select_row() provides a select box from which to choose 1 or more roles +# &course_select_row provides ways of picking groups of courses +# radio buttons: all, by category or by picking from a course picker pop-up +# note: by category option is only displayed if a domain has implemented +# selection by year, semester, department, number etc. +# +# &status_select_row() provides a select box from which to choose 1 or more +# access types (current access, prior access, and future access) +# +# &email_default_row() provides text boxes for default e-mail suffixes for +# different authentication types in a domain. +# +# &row_title() and &row_closure() are called internally by the &*_select_row +# routines, but can also be called directly to start and end rows which have +# needs that are not accommodated by the *_select_row() routines. + +{ # Start: row_count block for pick_box +my @row_count; + +sub start_pick_box { + my ($css_class,$id) = @_; + if (defined($css_class)) { + $css_class = 'class="'.$css_class.'"'; + } else { + $css_class= 'class="LC_pick_box"'; + } + my $table_id; + if (defined($id)) { + $table_id = ' id="'.$id.'"'; } + unshift(@row_count,0); + my $output = <<"END"; + +END + return $output; +} - return $Str; +sub end_pick_box { + shift(@row_count); + my $output = <<"END"; +
+END + return $output; +} + +sub row_headline { + my $output = <<"END"; + +END + return $output; } +sub row_title { + my ($title,$css_title_class,$css_value_class, $css_value_furtherAttributes) = @_; + $row_count[0]++; + my $css_class = ($row_count[0] % 2)?'LC_odd_row':'LC_even_row'; + $css_title_class ||= 'LC_pick_box_title'; + $css_title_class = 'class="'.$css_title_class.'"'; + + $css_value_class ||= 'LC_pick_box_value'; + + if ($title ne '') { + $title .= ':'; + } + my $output = <<"ENDONE"; + + + $title + + +ENDONE + return $output; +} + +sub row_closure { + my ($no_separator) =@_; + my $output = <<"ENDTWO"; + + +ENDTWO + if (!$no_separator) { + $output .= <<"ENDTWO"; + + + + +ENDTWO + } + return $output; +} + +} # End: row_count block for pick_box + +sub role_select_row { + my ($roles,$title,$css_class,$show_separate_custom,$cdom,$cnum) = @_; + my $crstype = 'Course'; + if ($cdom ne '' && $cnum ne '') { + $crstype = &Apache::loncommon::course_type($cdom.'_'.$cnum); + } + my $output; + if (defined($title)) { + $output = &row_title($title,$css_class); + } + $output .= qq| + \n|; + if (defined($title)) { + $output .= &row_closure(); + } + return $output; +} + +sub course_select_row { + my ($title,$formname,$totcodes,$codetitles,$idlist,$idlist_titles, + $css_class,$crstype,$standardnames) = @_; + my $output = &row_title($title,$css_class); + $output .= &course_selection($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames); + $output .= &row_closure(); + return $output; +} + +sub course_selection { + my ($formname,$totcodes,$codetitles,$idlist,$idlist_titles,$crstype,$standardnames) = @_; + my $output = qq| + + |; + + my ($allcrs,$pickspec); + if ($crstype eq 'Community') { + $allcrs = &mt('All communities'); + $pickspec = &mt('Pick specific communities:'); + } else { + $allcrs = &mt('All courses'); + $pickspec = &mt('Pick specific course(s):'); + } + + my $courseform=''.&Apache::loncommon::selectcourse_link + ($formname,'pickcourse','pickdomain','coursedesc','',1,$crstype).''; + $output .= '
'; + if ($totcodes > 0) { + my $numtitles = @$codetitles; + if ($numtitles > 0) { + $output .= '
'; + $output .= ''; + for (my $i=1; $i<$numtitles; $i++) { + $output .= ''; + } + $output .= '
'.$$codetitles[0].'
'."\n". + '		'.$$codetitles[$i].'
'."\n". + ''."\n". + '

'; + } + } + $output .= + '' + .' '.$courseform.'  ' + .&mt('[_1] selected.', + '' + .'') + .'
'."\n"; + return $output; +} + +sub status_select_row { + my ($types,$title,$css_class) = @_; + my $output; + if (defined($title)) { + $output = &row_title($title,$css_class,'LC_pick_box_select'); + } + $output .= qq| + \n|; + if (defined($title)) { + $output .= &row_closure(); + } + return $output; +} + +sub email_default_row { + my ($authtypes,$title,$descrip,$css_class) = @_; + my $output = &row_title($title,$css_class); + $output .= $descrip. + &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + ''.&mt('Authentication Method').''. + ''.&mt('Username -> e-mail conversion').''."\n". + &Apache::loncommon::end_data_table_header_row(); + my $rownum = 0; + foreach my $auth (sort(keys(%{$authtypes}))) { + my ($userentry,$size); + if ($auth =~ /^krb/) { + $userentry = ''; + $size = 25; + } else { + $userentry = 'username@'; + $size = 15; + } + $output .= &Apache::loncommon::start_data_table_row(). + ' '.$$authtypes{$auth}.''. + ''.$userentry. + ''. + &Apache::loncommon::end_data_table_row(); + } + $output .= &Apache::loncommon::end_data_table(); + $output .= &row_closure(); + return $output; +} + + +sub submit_row { + my ($title,$cmd,$submit_text,$css_class) = @_; + my $output = &row_title($title,$css_class,'LC_pick_box_submit'); + $output .= qq| +
+ +   +

+ \n|; + return $output; +} + +sub course_custom_roles { + my ($cdom,$cnum) = @_; + my %returnhash=(); + my %coursepersonnel=&Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); + foreach my $person (sort(keys(%coursepersonnel))) { + my ($role) = ($person =~ /^([^:]+):/); + my ($end,$start) = split(/:/,$coursepersonnel{$person}); + if ($end == -1 && $start == -1) { + next; + } + if ($role =~ m|^cr/[^/]+/[^/]+/[^/]|) { + $returnhash{$role} ++; + } + } + return %returnhash; +} + + +sub resource_info_box { + my ($symb,$onlyfolderflag,$stuvcurrent,$stuvdisp)=@_; + my $return=''; + if ($stuvcurrent ne '') { + $return = '
'; + } + if ($symb) { + $return.=&Apache::loncommon::start_data_table(); + my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symb); + my $folder=&Apache::lonnet::gettitle($map); + $return.=&Apache::loncommon::start_data_table_row(). + ''.&mt('Folder:').''.$folder.''. + &Apache::loncommon::end_data_table_row(); + unless ($onlyfolderflag) { + $return.=&Apache::loncommon::start_data_table_row(). + ''.&mt('Resource:').''.&Apache::lonnet::gettitle($symb).''. + &Apache::loncommon::end_data_table_row(); + } + if ($stuvcurrent ne '') { + $return .= &Apache::loncommon::start_data_table_row(). + ''.&mt("Student's current version:").''.$stuvcurrent.''. + &Apache::loncommon::end_data_table_row(); + } + if ($stuvdisp ne '') { + $return .= &Apache::loncommon::start_data_table_row(). + ''.&mt("Student's version displayed:").''.$stuvdisp.''. + &Apache::loncommon::end_data_table_row(); + } + $return.=&Apache::loncommon::end_data_table(); + } else { + $return='

'.&mt('No context provided.').'

'; + } + if ($stuvcurrent ne '') { + $return .= '
'; + } + 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 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 ($num,$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 +# as hidden form elements (values encoded) in the new page. +# +# Intended to support two types of use +# (a) to allow backing up to earlier pages in a multi-page +# form submission process using a breadcrumb trail. +# +# (b) to allow the current page to be reloaded with form elements +# set on previous page to remain unchanged. An example would +# be where the a page containing a dynamically-built table of data is +# is to be redisplayed, with only the sort order of the data changed. +# +# Inputs: +# 1. Reference to array of form elements in the submitted form on +# the referrer page which are to be excluded from the echoed elements. +# +# 2. Reference to array of regular expressions, which if matched in the +# name of the form element n the referrer page will be omitted from echo. +# +# Outputs: A scalar containing the html markup for the echoed form +# elements (all as hidden elements, with values encoded). + + +sub echo_form_input { + my ($excluded,$regexps) = @_; + my $output = ''; + foreach my $key (keys(%env)) { + if ($key =~ /^form\.(.+)$/) { + my $name = $1; + my $match = 0; + if (ref($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/) { + $match = 1; + last; + } + } + } + } + next if ($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"; + } + } + } + return $output; +} + +############################################## +############################################## +# set_form_elements +# +# Generates javascript to set form elements to values based on +# corresponding values for the same form elements when the page was +# previously submitted. +# +# Last submission values are read from hidden form elements in referring +# page which have the same name, i.e., generated by &echo_form_input(). +# +# Intended to be called by onload event. +# +# Inputs: +# (a) Reference to hash of echoed form elements to be set. +# +# In the hash, keys are the form element names, and the values are the +# element type (selectbox, radio, checkbox or text -for textbox, textarea or +# hidden). +# +# (b) Optional reference to hash of stored elements to be set. +# +# If the page being displayed is a page which permits modification of +# previously stored data, e.g., the first page in a multi-page submission, +# then if stored is supplied, form elements will be set to the last stored +# values. If user supplied values are also available for the same elements +# these will replace the stored values. +# +# Output: +# +# javascript function - set_form_elements() which sets form elements, +# expects an argument: formname - the name of the form according to +# the DOM, e.g., document.compose + +sub set_form_elements { + my ($elements,$stored) = @_; + my %values; + my $output .= 'function setFormElements(courseForm) { +'; + if (defined($stored)) { + foreach my $name (keys(%{$stored})) { + if (exists($$elements{$name})) { + if (ref($$stored{$name}) eq 'ARRAY') { + $values{$name} = $$stored{$name}; + } else { + @{$values{$name}} = ($$stored{$name}); + } + } + } + } + + foreach my $key (keys(%env)) { + if ($key =~ /^form\.(.+)$/) { + my $name = $1; + if (exists($$elements{$name})) { + @{$values{$name}} = &Apache::loncommon::get_env_multiple($key); + } + } + } + + foreach my $name (keys(%values)) { + for (my $i=0; $i<@{$values{$name}}; $i++) { + $values{$name}[$i] = &HTML::Entities::decode($values{$name}[$i],'<>&"'); + $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g; + $values{$name}[$i] =~ s/"/\\"/g; + } + if (($$elements{$name} eq 'text') || ($$elements{$name} eq 'hidden')) { + my $numvalues = @{$values{$name}}; + if ($numvalues > 1) { + my $valuestring = join('","',@{$values{$name}}); + $output .= qq| + var textvalues = new Array ("$valuestring"); + var total = courseForm.elements['$name'].length; + if (total > $numvalues) { + total = $numvalues; + } + for (var i=0; i{$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 .= '&register=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)) { + unless (&Apache::lonnet::uses_sts()) { + $usehttp = 1; + } + } elsif ($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://}) { + unless (&Apache::lonnet::uses_sts()) { + $usehttp = 1; + } + } + } + } elsif ($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. +# Returns a javascript function which accepts a form field as argument, and +# returns false if field.value does not satisfy two regular expression matches +# for a valid e-mail address. Backwards compatible with old browsers without +# support for javascript RegExp (just checks for @ in field.value in this case). + +sub javascript_valid_email { + my $scripttag .= <<'END'; +function validmail(field,suffix) { + var str = field.value; + if (suffix != '' && suffix != undefined) { + str += suffix; + } + if (window.RegExp) { + var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)"; + var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$"; //" + var reg1 = new RegExp(reg1str); + var reg2 = new RegExp(reg2str); + if (!reg1.test(str) && reg2.test(str)) { + return true; + } + return false; + } + else + { + if(str.indexOf("@") >= 0) { + return true; + } + return false; + } +} +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|>$_[1]| : qq|/>|). "\n"; +}; + + +# USAGE: inittags(@tags); +# +# EXAMPLES: +# - my ($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 "); +=pod + +=item &end_funclist() + +End list of available functions + +=over + +=item Related routines: + + start_funclist + add_item_funclist + +=back - $r->rflush(); +Inputs: ./. + +Returns: HTML code with function list end + +=cut + +sub end_funclist { + return "\n"; } -# update progress -sub Update_PrgWin { - my ($displayString,$r)=@_; - $r->print(''); - $r->rflush(); +=pod + +=item &funclist_from_array( \@array, {legend => 'text for legend'} ) + +Constructs a XHTML list from \@array with the first item being visually +highlighted and set to the value of legend or 'Functions' if legend is +empty. + +=over + +=item \@array + +A reference to the array containing text that will be wrapped in
  • tags. + +=item { legend => 'text' } + +A string that's used as visually highlighted first item. 'Functions' is used if +it's value evaluates to false. + +=back + +returns: XHTML list as string. + +=back + +=cut + +sub funclist_from_array { + my ($items, $args) = @_; + return unless(ref($items) eq 'ARRAY'); + $args->{legend} ||= mt('Functions'); + return list_from_array( [$args->{legend}, @$items], + { listattr => {class => 'LC_funclist'} }); } -# close Progress Line -sub Close_PrgWin { - my ($r)=@_; - $r->print(''."\n"); - $r->rflush(); +=pod + +=over + +=item &actionbox( \@array ) + +Constructs a XHTML list from \@array with the first item being visually +highlighted and set to the value 'Actions'. The list is wrapped in a division. + +The actionlist is used to offer contextual actions, mostly at the bottom +of a page, on which the outcome of an processed action is shown, +e.g. a file operation in Authoring Space. + +=over + +=item \@array + +A reference to the array containing text. Details: sub funclist_from_array + +=back + +Returns: XHTML div as string. + +=back + +=cut + +sub actionbox { + my ($items) = @_; + return unless(ref($items) eq 'ARRAY'); + return + '
    ' + .&funclist_from_array($items, {legend => &mt('Actions')}) + .'
    '; } 1; + __END__