--- loncom/interface/lonhelper.pm 2006/03/06 23:32:31 1.132 +++ loncom/interface/lonhelper.pm 2006/04/24 23:05:35 1.137 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # .helper XML handler to implement the LON-CAPA helper # -# $Id: lonhelper.pm,v 1.132 2006/03/06 23:32:31 foxr Exp $ +# $Id: lonhelper.pm,v 1.137 2006/04/24 23:05:35 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -573,26 +573,20 @@ sub display { } # Phase 4: Display. - my $html=&Apache::lonxml::xmlbegin(); my $stateTitle=&mt($state->title()); - my $helperTitle = &mt($self->{TITLE}); - my $browser_searcher_js = &Apache::loncommon::browser_and_searcher_javascript(); - my $bodytag = &Apache::loncommon::bodytag($helperTitle,'',''); + my $browser_searcher_js = + ''; + + $result .= &Apache::loncommon::start_page($self->{TITLE}, + $browser_searcher_js); + my $previous = HTML::Entities::encode(&mt("<- Previous"), '<>&"'); my $next = HTML::Entities::encode(&mt("Next ->"), '<>&"'); # FIXME: This should be parameterized, not concatenated - Jeremy - my $loncapaHelper = &mt("LON-CAPA Helper:"); - $result .= < - $loncapaHelper: $helperTitle - - - $bodytag -HEADER + if (!$state->overrideForm()) { $result.="
"; } $result .= < @@ -655,10 +649,9 @@ HEADER - - FOOTER + $result .= &Apache::loncommon::end_page(); # Handle writing out the vars to the file my $file = Apache::File->new('>'.$self->{FILENAME}); print $file $self->_varsInFile(); @@ -1076,6 +1069,16 @@ will be the state transistioned to if th the choice is not multichoice. This will override the nextstate passed to the parent C tag. + may optionally contain a 'relatedvalue' attribute, which +if present will cause a text entry to appear to the right of the +selection. The value of the relatedvalue attribute is a variable +into which the text entry will be stored e.g.: +[2]{'nextstate'}; - my $evalFlag = $token->[2]{'eval'}; + my $nextstate = $token->[2]{'nextstate'}; + my $evalFlag = $token->[2]{'eval'}; + my $relatedVar = $token->[2]{'relatedvalue'}; + my $relatedDefault = $token->[2]{'relateddefault'}; push @{$paramHash->{CHOICES}}, [&mtn($human), $computer, $nextstate, - $evalFlag]; + $evalFlag, $relatedVar, $relatedDefault]; return ''; } @@ -1279,14 +1284,20 @@ BUTTONS } $result .= qq{id="id$id"}; my $choiceLabel = $choice->[0]; - if ($choice->[4]) { # if we need to evaluate this choice + if ($choice->[3]) { # if we need to evaluate this choice $choiceLabel = "sub { my $helper = shift; my $state = shift;" . $choiceLabel . "}"; $choiceLabel = eval($choiceLabel); $choiceLabel = &$choiceLabel($helper, $self); } $result .= "/> ".qq{\n"; + $choiceLabel. ""; + if ($choice->[4]) { + $result .=''; + } + $result .= "\n"; } $result .= "\n\n\n"; $result .= $buttons; @@ -1320,6 +1331,10 @@ sub postprocess { $helper->changeState($choice->[2]); } } + if ($choice->[4]) { + my $varname = $choice->[4]; + $helper->{'VARS'}->{$varname} = $env{'form.'."$varname.forminput"}; + } } return 1; } @@ -1561,23 +1576,39 @@ sub render { my $date; my $time=time; - $date = localtime($time); - $date->min(0); my ($anytime,$onclick); - if (defined($self->{DEFAULT_VALUE})) { + + # first check VARS for a valid new value from the user + # then check DEFAULT_VALUE for a valid default time value + # otherwise pick now as reasonably good time + + if (defined($helper->{VARS}{$var}) + && $helper->{VARS}{$var} > 0) { + $date = localtime($helper->{VARS}{$var}); + } elsif (defined($self->{DEFAULT_VALUE})) { my $valueFunc = eval($self->{DEFAULT_VALUE}); die('Error in default value code for variable ' . $self->{'variable'} . ', Perl said: ' . $@) if $@; $time = &$valueFunc($helper, $self); if (lc($time) eq 'anytime') { $anytime=1; - } else { + $date = localtime(time); + $date->min(0); + } elsif (defined($time) && $time ne 0) { $date = localtime($time); + } else { + # leave date undefined so it'll default to now } - } else { + } + if (!defined($date) && !$anytime) { + $date = localtime(time); + $date->min(0); } + + &Apache::lonnet::logthis("date mode "); + if ($anytime) { $onclick = "onclick=\"javascript:updateCheck(this.form,'${var}anytime',false)\""; } @@ -1732,6 +1763,16 @@ sub postprocess { $helper->{VARS}->{$var} = $chosenDate; } + if (defined($self->{VALIDATOR})) { + my $validator = eval($self->{VALIDATOR}); + die 'Died during evaluation of evaulation code; Perl said: ' . $@ if $@; + my $invalid = &$validator($helper, $state, $self, $self->getValue()); + if ($invalid) { + $self->{ERROR_MSG} = $invalid; + return 0; + } + } + if (defined($self->{NEXTSTATE})) { $helper->changeState($self->{NEXTSTATE}); } @@ -2996,8 +3037,12 @@ package Apache::lonhelper::section;
allows the user to choose one or more sections from the current course. -It takes the standard attributes "variable", "multichoice", and -"nextstate", meaning what they do for most other elements. +It takes the standard attributes "variable", "multichoice", +"allowempty" and "nextstate", meaning what they do for most other +elements. + +also takes a boolean 'onlysections' whcih will restrict this to only +have sections and not include groups =cut @@ -3027,6 +3072,7 @@ sub start_section { $paramHash->{'variable'} = $token->[2]{'variable'}; $helper->declareVar($paramHash->{'variable'}); $paramHash->{'multichoice'} = $token->[2]{'multichoice'}; + $paramHash->{'allowempty'} = $token->[2]{'allowempty'}; if (defined($token->[2]{'nextstate'})) { $paramHash->{NEXTSTATE} = $token->[2]{'nextstate'}; } @@ -3046,8 +3092,16 @@ sub start_section { } for my $sectionName (sort(keys(%choices))) { - - push @{$paramHash->{CHOICES}}, [$sectionName, $sectionName]; + push @{$paramHash->{CHOICES}}, [$sectionName, $sectionName]; + } + return if ($token->[2]{'onlysections'}); + + # add in groups to the end of the list + my %curr_groups; + if (&Apache::loncommon::coursegroups(\%curr_groups)) { + foreach my $group_name (sort(keys(%curr_groups))) { + push(@{$paramHash->{CHOICES}}, [$group_name, $group_name]); + } } } @@ -3067,10 +3121,12 @@ package Apache::lonhelper::group; =head2 Element: groupX -
allows the user to choose one or more groups from the current course. + allows the user to choose one or more groups from the current course. + +It takes the standard attributes "variable", "multichoice", + "allowempty" and "nextstate", meaning what they do for most other + elements. -It takes the standard attributes "variable", "multichoice", and "nextstate", meaning what they do for most other elements. - =cut no strict; @@ -3099,6 +3155,7 @@ sub start_group { $paramHash->{'variable'} = $token->[2]{'variable'}; $helper->declareVar($paramHash->{'variable'}); $paramHash->{'multichoice'} = $token->[2]{'multichoice'}; + $paramHash->{'allowempty'} = $token->[2]{'allowempty'}; if (defined($token->[2]{'nextstate'})) { $paramHash->{NEXTSTATE} = $token->[2]{'nextstate'}; } @@ -3106,18 +3163,14 @@ sub start_group { # Populate the CHOICES element my %choices; - my $numgroups; my %curr_groups; if (&Apache::loncommon::coursegroups(\%curr_groups)) { - foreach my $group_name (keys %curr_groups) { - $choices{$group_name} = $group_name; - } - } - foreach my $group_name (sort(keys(%choices))) { - push @{$paramHash->{CHOICES}}, [$group_name, $group_name]; + foreach my $group_name (sort(keys(%curr_groups))) { + push(@{$paramHash->{CHOICES}}, [$group_name, $group_name]); + } } } - + sub end_group { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;