'.
+ &Apache::loncommon::help_open_topic('About_Bombs');
+ }
+ }
+ return '';
+}
+
+##############################################
+##############################################
+
+sub recent_filename {
+ my $area=shift;
+ return 'nohist_recent_'.&Apache::lonnet::escape($area);
+}
+
+sub store_recent {
+ my ($area,$name,$value)=@_;
+ my $file=&recent_filename($area);
+ my %recent=&Apache::lonnet::dump($file);
+ if (scalar(keys(%recent))>10) {
+# remove oldest value
+ my $oldest=time;
+ my $delkey='';
+ foreach (keys %recent) {
+ my $thistime=(split(/\&/,$recent{$_}))[0];
+ if ($thistime<$oldest) {
+ $oldest=$thistime;
+ $delkey=$_;
+ }
+ }
+ &Apache::lonnet::del($file,[$delkey]);
+ }
+# store new value
+ &Apache::lonnet::put($file,{ $name =>
+ time.'&'.&Apache::lonnet::escape($value) });
+}
+
+sub select_recent {
+ my ($area,$fieldname,$event)=@_;
+ my %recent=&Apache::lonnet::dump(&recent_filename($area));
+ my $return="\n\n";
+ return $return;
+}
+
+
+=pod
+
+=item textbox
+
+=cut
+
+##############################################
+##############################################
+sub textbox {
+ my ($name,$value,$size,$special) = @_;
+ $size = 40 if (! defined($size));
+ my $Str = '';
+ return $Str;
+}
+
+##############################################
+##############################################
+
+=pod
+
+=item checkbox
+
+=cut
+
+##############################################
+##############################################
+sub checkbox {
+ my ($name,$value) = @_;
+ my $Str = '';
+ return $Str;
+}
+
+##############################################
+##############################################
+
+=pod
+
=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
=over 4
@@ -82,19 +196,47 @@ The current setting for this time parame
An undefined value is taken to indicate the value is the current time.
Also, to be explicit, a value of 'now' also indicates the current time.
+=item $special
+
+Additional html/javascript to be associated with each element in
+the date_setter. See lonparmset for example usage.
+
+=item $includeempty
+
+=item $state
+
+Specifies the initial state of the form elements. Either 'disabled' or empty.
+Defaults to empty, which indiciates the form elements are not disabled.
+
+=back
+
+Bugs
+
+The method used to restrict user input will fail in the year 2400.
+
=cut
##############################################
##############################################
sub date_setter {
- my ($formname,$dname,$currentvalue) = @_;
+ my ($formname,$dname,$currentvalue,$special,$includeempty,$state) = @_;
+ if (! defined($state) || $state ne 'disabled') {
+ $state = '';
+ }
if (! defined($currentvalue) || $currentvalue eq 'now') {
- $currentvalue = time;
+ unless ($includeempty) {
+ $currentvalue = time;
+ } else {
+ $currentvalue = 0;
+ }
}
# other potentially useful values: wkday,yrday,is_daylight_savings
- my ($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) =
- localtime($currentvalue);
- $year += 1900;
+ my ($sec,$min,$hour,$mday,$month,$year)=('','','','','','');
+ if ($currentvalue) {
+ ($sec,$min,$hour,$mday,$month,$year,undef,undef,undef) =
+ localtime($currentvalue);
+ $year += 1900;
+ }
my $result = "\n\n";
$result .= <