'."\n";
+# ---------------------------------- Generate link to spell checker for a field
- return $Str;
+sub spelllink {
+ my ($form,$field)=@_;
+ my $linktext=&mt('Check Spelling');
+ return (<$linktext
+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 $lang;
+}
+
+# ----------------------------------------- Script to activate only some fields
+
+sub htmlareaselectactive {
+ my ($args) = @_;
+ unless (&htmlareabrowser()) { return ''; }
+ my $output='';
+ 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/} ||
+ $env{'request.uri'}=~m{^/priv/}) { return 1; }
+
+ if (($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\//) &&
+ ($env{'request.noversionuri'}!~
+ m{^/adm/.*/(smppg|bulletinboard)($|\?)})
+ ));
+}
+
+
+##
+# 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.
+
+Inputs: $component (the text on the right side of the breadcrumbs trail),
+ $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.
+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: $breadcrumb, a hash reference. The keys 'href','title', and 'text'
+are required. If present the keys 'faq' and 'bug' will be used to provide
+links to the FAQ and bug sites. If the key 'no_mt' is present the 'title'
+and 'text' values won't be sent through &mt()
+
+returns: nothing
+
+=cut
+
+############################################################
+############################################################
+{
+ my @Crumbs;
+ my %tools = ();
+
+ sub breadcrumbs {
+ my ($component,$component_help,$menulink,$helplink,$css_class,$no_mt,
+ $CourseBreadcrumbs) = @_;
+ #
+ $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;
+ }
+ $menulink = { href =>'/adm/menu',
+ title =>'Go to main menu',
+ target =>'_top',
+ text =>$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)) {
+ my $alttext = &mt('Go Back');
+ $links=&htmltag( 'a','',
+ { href => '/adm/flip?postdata=return:',
+ title => &mt('Back to most recent content resource'),
+ class => 'LC_menubuttons_link',
+ });
+ $links=&htmltag('li',$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
+
+ $links .= &htmltag( 'li', htmltag($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);
+ }
+ #
+
+
+
+ unless ($CourseBreadcrumbs) {
+ $links = &htmltag('ol', $links, { id => "LC_MenuBreadcrumbs" });
+ } else {
+ $links = &htmltag('ul', $links, { class => "LC_CourseBreadcrumbs" });
+ }
-Inputs: $CacheData, $keyID, $headings, $spacePadding
-$CacheData: pointer to a hash tied to the cached data database
+ if ($component) {
+ $links = &htmltag('span',
+ ( $no_mt ? $component : mt($component) ).
+ ( $icons ? $icons : '' ),
+ { class => 'LC_breadcrumbs_component' } )
+ .$links
+;
+ }
+
+ &render_tools(\$links);
+ $links = &htmltag('div', $links,
+ { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ;
+ &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)
-$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
+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
+
+returns: nothing
=cut
-sub CreateHeadings {
- my ($data,$keyID,$headings,$displayString,$format)=@_;
- my $Str='';
- my $formatting = '';
+ sub add_breadcrumb_tool {
+ my ($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{$category}}, @html;
+ }
+
+=item &clear_breadcrumb_tools()
+
+Clears the breadcrumb toolbar container.
+
+returns: nothing
+
+=cut
+
+ sub clear_breadcrumb_tools {
+ undef(%tools);
+ }
+
+=item &render_tools(\$breadcrumbs)
+
+Creates html for breadcrumb tools (categories navigation and tools) and inserts
+\$breadcrumbs at the correct position.
+
+input: \$breadcrumbs - a reference to the string containing prepared
+breadcrumbs.
+
+returns: nothing
+
+=cut
+
+#TODO might split this in separate functions for each category
+ sub render_tools {
+ my ($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.
+
+input: \$breadcrumbs - a reference to the string containing prepared
+breadcrumbs (after render_tools call).
+
+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
+
+############################################################
+############################################################
+
+# 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";
+
';
+ }
+ return $return;
+}
+
+##############################################
+##############################################
+
+# 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) = @_;
+ 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') {
+ $output .= '
+var activeTab;
+';
+ }
+ $output .= <<"FIRST";
+
+$viewport_js
+
+function resize_scrollbox(scrollboxname,chkw,chkh) {
+ var scrollboxid = 'div_'+scrollboxname;
+ var scrolltableid = 'table_'+scrollboxname;
+ var scrollbox;
+ var scrolltable;
+
+ 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;
+ }
+";
+ }
+ $output .= <<"SECOND";
+ var listwchange;
+ if (chkw == 1) {
+ var boxw = document.getElementById("$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 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)= 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
.')
'.
+ &Apache::loncommon::help_open_topic('About_Bombs');
+ }
}
- $Str .= '>'."\n";
+ return '';
+}
+
+##############################################
+##############################################
+
+sub recent_filename {
+ my $area=shift;
+ return 'nohist_recent_'.&escape($area);
+}
- my $selected = 0;
- foreach my $sequence (split(':',$data->{'orderedSequences'})) {
- $Str .= '
';
- $Str .= '
',
+ { href => '/adm/flip?postdata=return:',
+ title => &mt('Back to most recent content resource'),
+ class => 'LC_menubuttons_link',
+ });
+ $links=&htmltag('li',$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
+
+ $links .= &htmltag( 'li', htmltag($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);
+ }
+ #
+
+
+
+ unless ($CourseBreadcrumbs) {
+ $links = &htmltag('ol', $links, { id => "LC_MenuBreadcrumbs" });
+ } else {
+ $links = &htmltag('ul', $links, { class => "LC_CourseBreadcrumbs" });
+ }
-Inputs: $CacheData, $keyID, $headings, $spacePadding
-$CacheData: pointer to a hash tied to the cached data database
+ if ($component) {
+ $links = &htmltag('span',
+ ( $no_mt ? $component : mt($component) ).
+ ( $icons ? $icons : '' ),
+ { class => 'LC_breadcrumbs_component' } )
+ .$links
+;
+ }
+
+ &render_tools(\$links);
+ $links = &htmltag('div', $links,
+ { id => "LC_breadcrumbs" }) unless ($CourseBreadcrumbs) ;
+ &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)
-$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
+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
+
+returns: nothing
=cut
-sub CreateHeadings {
- my ($data,$keyID,$headings,$displayString,$format)=@_;
- my $Str='';
- my $formatting = '';
+ sub add_breadcrumb_tool {
+ my ($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/