version 1.153, 2012/01/05 11:56:34
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version 1.153.6.4, 2012/01/23 12:00:13
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Line 33 use Apache::lonnet;
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Line 33 use Apache::lonnet;
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use Apache::response; |
use Apache::response; |
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my $default_bubbles_per_line = 10; |
my $default_bubbles_per_line = 10; |
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my @alphabet = ( 'A' .. 'Z' ); # Foil labels. |
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BEGIN { |
BEGIN { |
&Apache::lonxml::register( 'Apache::radiobuttonresponse', |
&Apache::lonxml::register( 'Apache::radiobuttonresponse', |
Line 118 sub start_radiobuttonresponse {
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Line 121 sub start_radiobuttonresponse {
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else { |
else { |
$result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}'; |
$result .= ' \renewcommand{\labelenumi}{\Alph{enumi}.}'; |
} |
} |
if ( $env{'form.pdfFormFields'} eq 'yes' |
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&& $Apache::inputtags::status[-1] eq 'CAN_ANSWER' ) |
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{ |
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$result .= '\begin{itemize}'; |
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} |
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else { |
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$result .= '\begin{enumerate}'; |
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} |
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} |
} |
elsif ( $target eq 'analyze' ) { |
elsif ( $target eq 'analyze' ) { |
my $part_id = "$Apache::inputtags::part.$id"; |
my $part_id = "$Apache::inputtags::part.$id"; |
Line 140 sub end_radiobuttonresponse {
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Line 136 sub end_radiobuttonresponse {
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@_; |
@_; |
my $result; |
my $result; |
if ( $target eq 'edit' ) { $result = &Apache::edit::end_table(); } |
if ( $target eq 'edit' ) { $result = &Apache::edit::end_table(); } |
if ( $target eq 'tex' ) { |
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if ( $env{'form.pdfFormFields'} eq 'yes' |
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and $Apache::inputtags::status[-1] eq 'CAN_ANSWER' ) |
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{ |
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$result .= '\end{itemize}'; |
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} |
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else { |
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$result .= '\end{enumerate}'; |
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} |
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} |
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&Apache::response::end_response; |
&Apache::response::end_response; |
pop @Apache::lonxml::namespace; |
pop @Apache::lonxml::namespace; |
&Apache::lonxml::deregister( 'Apache::radiobuttonresponse', |
&Apache::lonxml::deregister( 'Apache::radiobuttonresponse', |
Line 387 sub format_prior_answer {
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Line 374 sub format_prior_answer {
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} |
} |
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## |
sub displayallfoils { |
sub displayallfoils { |
my ( $direction, $target ) = @_; |
my ( $direction, $target ) = @_; |
my $result; |
my $result; |
Line 767 sub whichfoils {
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Line 755 sub whichfoils {
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&Apache::lonxml::debug("Answer is $answer"); |
&Apache::lonxml::debug("Answer is $answer"); |
return ( $answer, @whichfalse ); |
return ( $answer, @whichfalse ); |
} |
} |
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## |
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# Generate the HTML for a single html foil. |
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# @param $part - The part for which the response is being generated. |
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# @param $fieldname - The basename of the radiobutton field |
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# @param $name - The foilname. |
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# @param $last_responses - Reference to a hash that holds the most recent |
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# responses. |
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# @param $value - radiobutton value. |
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# |
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# @return text |
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# @retval The generated html. |
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# |
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sub html_radiobutton { |
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my ($part, $fieldname, $name, $last_responses, $value) = @_; |
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my $result='<label>'; |
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$result .= '<input type="radio" |
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onchange="javascript:setSubmittedPart(' . "'$part');\"" |
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. 'name="HWVAL_' . $fieldname . '"' |
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. "value='$value'"; |
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if (defined($last_responses->{$name})) { |
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$result .= ' checked="checked" '; |
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} |
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$result .= ' />'; |
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$result .= $Apache::response::foilgroup{$name . '.text'}; |
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$result .= '</label>'; |
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return $result; |
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} |
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## |
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# Return a reference to the last response hash. This hash has exactly |
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# one or zero entries. The one entry is keyed by the foil 'name' of |
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# the prior response |
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# |
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# @param $part - Number of the problem part. |
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# |
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# @return reference to a hash. |
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# @retval see above. |
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# |
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sub get_last_response { |
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my ($part) = @_; |
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my $id = $Apache::inputtags::response['-1']; |
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my ( $lastresponse, $newvariation ); |
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if ((( $Apache::lonhomework::history{"resource.$part.type"} eq 'randomizetry') |
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|| ( $Apache::lonhomework::type eq 'randomizetry' ) |
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) |
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&& ( $Apache::inputtags::status[-1] eq 'CAN_ANSWER' ) |
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) |
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{ |
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if ( $env{ 'form.' . $part . '.rndseed' } ne |
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$Apache::lonhomework::history{"resource.$part.rndseed"} ) |
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{ |
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$newvariation = 1; |
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} |
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} |
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unless ($newvariation) { |
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$lastresponse = |
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$Apache::lonhomework::history{"resource.$part.$id.submission"}; |
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} |
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my %lastresponse = &Apache::lonnet::str2hash($lastresponse); |
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return \%lastresponse; |
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} |
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## |
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# Display foils in html rendition.: |
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# |
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# @param $whichfoils - Set of foils to display. |
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# @param $target - Rendition target...there are several html targets. |
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# @param $direction - 'horizontal' if layout is horizontal. |
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# @param $part - Part of the problem that's being displayed. |
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# @param $solved - Solution state of the problem. |
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# @param $show_answer- True if answers should be shown. |
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# |
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# @return string |
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# @retval generated html. |
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# |
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sub display_foils_html { |
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my ($whichfoils, $target, $direction, $part, $solved, $show_answer) = @_; |
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my $result; |
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# if the answers get shown, we need to label each item as correct or |
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# incorrect. |
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if ($show_answer) { |
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my $item_pretext = '<br />'; # html prior to each item |
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my $item_posttext = ''; # html after each item. |
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my $finalclose = ''; # html to close off the whole shebang |
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# Horizontal layout is a table with each foil in a cell |
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if ($direction eq 'horizontal') { |
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$result = '<table><tr>'; |
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$item_pretext = '<td>' . $item_pretext; |
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$item_posttext = '</td>'; |
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$finalclose = '</tr></table>'; |
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} |
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foreach my $name (@{$whichfoils}) { |
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# If the item gets further surrounded by tags, this |
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# holds the closures for those tages. |
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my $item_closetag = ''; |
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$result .= $item_pretext; |
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# Label each foil as correct or incorrect: |
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if ($Apache::response::foilgroup{$name . '.value'} eq 'true') { |
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$result .= &mt('Correct:') . '<b>'; |
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$item_closetag .= '</b>'; |
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} else { |
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$result .= &mt('Incorrect'); |
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} |
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# Web rendition encloses the |
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# item text in a label tag as well: |
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if ($target eq 'web') { |
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$result .= '<label>'; |
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$item_closetag = '</label>' . $item_closetag; |
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} |
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$result .= $Apache::response::foilgroup{$name . '.text'}; |
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$result .= $item_closetag; |
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$result .= $item_posttext; |
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$result .= "\n"; # make the html a bit more readable. |
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} |
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$result .= $finalclose; |
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} else { |
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$result .= '<br />'; # end line prior to foilgroup: |
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# Not showing the answers, we need to generate the HTML appropriate |
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# to allowing the student to respond. |
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my $item_pretext; |
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my $item_posttext; |
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my $lastresponse = &get_last_response($part); |
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if ( $direction eq 'horizontal' ) { |
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$item_pretext = '<td>'; |
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$item_posttext = '</td>'; |
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} |
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else { |
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$item_pretext = '<br/>'; |
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} |
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my $item_no = 0; |
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foreach my $name (@{$whichfoils}) { |
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$result .= $item_pretext; |
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$result .= &html_radiobutton( |
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$part, $Apache::inputtags::response[-1], |
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$name, $lastresponse, $item_no |
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); |
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$result .= $item_posttext; |
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$item_no++; |
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} |
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if ($direction eq 'horizontal' ) { |
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$result .= "</tr></table>"; |
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} else { |
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$result .= "<br />"; |
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} |
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} |
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return $result; |
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} |
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## |
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# Display foils in exam mode for latex |
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# |
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# @param $whichfoils - Reference to an array that contains the foil names to display |
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# @param $bubbles_per_line - Number of bubbles on a line. |
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# |
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# @return string |
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# @return the latex rendering of the exam problem. |
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# |
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# @note The direction is not honored for exams. The lines reflect the number of |
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# bubbles on an exam sheet. |
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# |
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sub display_latex_exam { |
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my ($whichfoils, $bubbles_per_line) = @_; |
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my $result; |
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my $numlines; |
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my $bubble_number = 0; |
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my $line = 0; |
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my $i = 0; |
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# This section puts out the prefix that tells the user |
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# (if necessary) to only choose one bubble in the next n lines |
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# for problems with more than one line worth of bubbles in the grid sheet: |
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my $numitems = scalar( @{$whichfoils} ); |
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$numlines = int( $numitems / $bubbles_per_line ); |
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if ( ( $numitems % $bubbles_per_line ) != 0 ) { |
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$numlines++; |
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} |
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if ( $numlines < 1 ) { |
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$numlines = 1; |
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} |
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if ( $numlines > 1 ) { |
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my $linetext; |
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for ( my $i = 0 ; $i < $numlines ; $i++ ) { |
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$linetext .= $Apache::lonxml::counter + $i . ', '; |
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} |
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$linetext =~ s/,\s$//; |
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$result .= |
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'\item[\small {\textbf{' |
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. $linetext . '}}]' |
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. ' {\footnotesize ' |
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. &mt( '(Bubble once in [_1] lines)', $numlines ) |
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. '} \hspace*{\fill} \\\\'; |
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} |
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else { |
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$result .= '\item[\textbf{' . $Apache::lonxml::counter . '}.]'; |
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} |
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# Now output the bubbles themselves: |
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foreach my $name (@{$whichfoils}) { |
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if ( $bubble_number >= $bubbles_per_line ) { |
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$line++; |
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$i = 0; |
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$bubble_number = 0; |
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} |
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my $identifier; |
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if ( $numlines > 1 ) { |
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$identifier = $Apache::lonxml::counter + $line; |
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} |
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$result .= |
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'{\small \textbf{' |
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. $identifier |
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. $alphabet[$i] |
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. '}}$\bigcirc$' |
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. $Apache::response::foilgroup{ $name . '.text' } |
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. '\\\\'; #' stupid emacs -- it thinks it needs that apostrophe to close the quote |
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$i++; |
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$bubble_number++; |
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} |
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return $result; |
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} |
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## |
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# Display latex when exam mode is not on. |
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# |
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# @param $whichfoils - The foils to display |
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# @param $direction - Display direction ('horizontal' is what matters to us). |
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# @param $vbegin - Begin the vertical environment being used. |
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# @param $vend - End the vertical environment being used. |
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# |
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# @return string |
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# @retval - The LaTeX rendering of the resource.' |
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# |
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sub display_latex { |
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my ($whichfoils, $direction, $vbegin, $vend) = @_; |
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my $result; |
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$result .= $vbegin; |
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foreach my $name (@{$whichfoils}) { |
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$result .= '\vspace*{-2 mm}\item ' |
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. $Apache::response::foilgroup{ $name . '.text' }; |
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} |
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$result .= $vend; |
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return $result; |
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} |
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## |
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sub displayfoils { |
sub displayfoils { |
my ( $target, $answer, $whichfoils, $direction, $bubbles_per_line ) = @_; |
my ( $target, $answer, $whichfoils, $direction, $bubbles_per_line ) = @_; |
Line 774 sub displayfoils {
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Line 1043 sub displayfoils {
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my $part = $Apache::inputtags::part; |
my $part = $Apache::inputtags::part; |
my $solved = $Apache::lonhomework::history{"resource.$part.solved"}; |
my $solved = $Apache::lonhomework::history{"resource.$part.solved"}; |
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# Show answers html. |
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if ( ( $target ne 'tex' ) |
if ( ( $target ne 'tex' ) |
&& &Apache::response::show_answer() ) |
&& &Apache::response::show_answer() ) |
{ |
{ |
if ( $direction eq 'horizontal' ) { |
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if ( $target ne 'tex' ) { |
$result = &display_foils_html( |
$result .= '<table><tr>'; |
$whichfoils, $target, $direction, $part, $solved, 1); |
} |
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} |
# other html |
foreach my $name ( @{$whichfoils} ) { |
} elsif ($target ne 'tex') { |
if ( $direction eq 'horizontal' ) { |
$result = &display_foils_html($whichfoils, $target, $direction, $part, |
if ( $target ne 'tex' ) { $result .= '<td>'; } |
0, 0); |
} |
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if ( $target ne 'tex' ) { |
# LaTeX rendering: |
$result .= "<br />"; |
} else { |
} |
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else { |
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$result .= '\item \vskip -2 mm '; |
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} |
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if ( $Apache::response::foilgroup{ $name . '.value' } eq 'true' ) { |
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if ( $target ne 'tex' ) { |
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$result .= &mt('Correct:') . '<b>'; |
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} |
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else { |
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$result .= &mt('Correct:') . ' \textbf{'; |
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} |
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} |
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else { |
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$result .= &mt('Incorrect:'); |
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} |
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if ( $target eq 'web' ) { $result .= "<label>"; } |
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$result .= $Apache::response::foilgroup{ $name . '.text' }; |
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if ( $target eq 'web' ) { $result .= "</label>"; } |
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if ( $Apache::response::foilgroup{ $name . '.value' } eq 'true' ) { |
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if ( $target ne 'tex' ) { $result .= '</b>'; } |
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else { $result .= '}'; } |
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} |
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if ( $direction eq 'horizontal' ) { |
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if ( $target ne 'tex' ) { $result .= '</td>'; } |
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} |
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} |
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if ( $direction eq 'horizontal' ) { |
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if ( $target ne 'tex' ) { |
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$result .= '</tr></table>'; |
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} |
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} |
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} |
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else { |
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my @alphabet = ( 'A' .. 'Z' ); |
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my $i = 0; |
my $i = 0; |
my $bubble_number = 0; |
my $bubble_number = 0; |
my $line = 0; |
my $line = 0; |
my $temp = 0; |
my $temp = 0; |
my $id = $Apache::inputtags::response['-1']; |
my $id = $Apache::inputtags::response['-1']; |
my $part = $Apache::inputtags::part; |
my $part = $Apache::inputtags::part; |
my ( $lastresponse, $newvariation ); |
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if ( |
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( |
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( |
my $numlines; |
$Apache::lonhomework::history{"resource.$part.type"} eq |
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'randomizetry' |
# Decide how to bracket the list of foils: |
) |
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|| ( $Apache::lonhomework::type eq 'randomizetry' ) |
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) |
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&& ( $Apache::inputtags::status[-1] eq 'CAN_ANSWER' ) |
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) |
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{ |
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if ( $env{ 'form.' . $part . '.rndseed' } ne |
my $begin_environment; |
$Apache::lonhomework::history{"resource.$part.rndseed"} ) |
my $end_environment; |
{ |
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$newvariation = 1; |
if ( $env{'form.pdfFormFields'} eq 'yes' |
} |
&& $Apache::inputtags::status[-1] eq 'CAN_ANSWER' ) |
} |
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unless ($newvariation) { |
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$lastresponse = |
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$Apache::lonhomework::history{"resource.$part.$id.submission"}; |
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} |
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my %lastresponse = &Apache::lonnet::str2hash($lastresponse); |
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if ( $target ne 'tex' && $direction eq 'horizontal' ) { |
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$result .= "<table><tr>"; |
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} |
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my $numlines; |
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if ( ( $target eq 'tex' ) && ( $Apache::lonhomework::type eq 'exam' ) ) |
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{ |
{ |
my $numitems = scalar( @{$whichfoils} ); |
$begin_environment = '\begin{itemize}'; |
$numlines = int( $numitems / $bubbles_per_line ); |
$end_environment = '\end{itemize}'; |
if ( ( $numitems % $bubbles_per_line ) != 0 ) { |
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$numlines++; |
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} |
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if ( $numlines < 1 ) { |
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$numlines = 1; |
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} |
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if ( $numlines > 1 ) { |
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my $linetext; |
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for ( my $i = 0 ; $i < $numlines ; $i++ ) { |
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$linetext .= $Apache::lonxml::counter + $i . ', '; |
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} |
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$linetext =~ s/,\s$//; |
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$result .= |
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'\item[\small {\textbf{' |
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. $linetext . '}}]' |
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. ' {\footnotesize ' |
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. &mt( '(Bubble once in [_1] lines)', $numlines ) |
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. '} \hspace*{\fill} \\\\'; |
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} |
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else { |
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$result .= '\item[\textbf{' . $Apache::lonxml::counter . '}.]'; |
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} |
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} |
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foreach my $name ( @{$whichfoils} ) { |
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if ( $target ne 'tex' ) { |
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if ( $direction eq 'horizontal' ) { |
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$result .= "<td>"; |
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} |
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else { |
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$result .= "<br />"; |
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} |
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} |
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if ( $target ne 'tex' ) { |
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$result .= '<label>'; |
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$result .= "<input type=\"radio\" |
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onchange=\"javascript:setSubmittedPart('$part');\" |
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name=\"HWVAL_$Apache::inputtags::response['-1']\" |
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value=\"$temp\""; |
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if ( defined( $lastresponse{$name} ) ) { |
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$result .= ' checked="checked"'; |
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} |
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$result .= ' />' |
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. $Apache::response::foilgroup{ $name . '.text' } |
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. "</label>"; |
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} |
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else { |
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if ( $Apache::lonhomework::type eq 'exam' ) { |
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if ( $bubble_number >= $bubbles_per_line ) { |
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$line++; |
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$i = 0; |
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$bubble_number = 0; |
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} |
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my $identifier; |
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if ( $numlines > 1 ) { |
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$identifier = $Apache::lonxml::counter + $line; |
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} |
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$result .= |
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'{\small \textbf{' |
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. $identifier |
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. $alphabet[$i] |
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. '}}$\bigcirc$' |
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. $Apache::response::foilgroup{ $name . '.text' } |
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. '\\\\'; #' stupid emacs |
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$i++; |
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$bubble_number++; |
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} |
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else { |
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if ( $env{'form.pdfFormFields'} eq 'yes' |
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&& $Apache::inputtags::status[-1] eq 'CAN_ANSWER' ) |
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{ |
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my $fieldname = |
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$env{'request.symb'} |
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. '&part_' |
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. $Apache::inputtags::part |
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. '&radiobuttonresponse' |
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. '&HWVAL_' |
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. $Apache::inputtags::response['-1']; |
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$result .= '\item[{' |
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. &Apache::lonxml::print_pdf_radiobutton( $fieldname, |
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$temp ) |
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. '}]' |
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. $Apache::response::foilgroup{ $name . '.text' } |
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. "\n"; |
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} |
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else { |
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$result .= '\vspace*{-2 mm}\item ' |
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. $Apache::response::foilgroup{ $name . '.text' }; |
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} |
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} |
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} |
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if ( $target ne 'tex' && $direction eq 'horizontal' ) { |
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$result .= "</td>"; |
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} |
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$temp++; |
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} |
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if ( $target ne 'tex' && $direction eq 'horizontal' ) { |
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$result .= "</tr></table>"; |
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} |
} |
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else { |
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$begin_environment = '\begin{enumerate}'; |
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$end_environment = '\end{enumerate}'; |
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} |
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|
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# Rendering for latex exams. |
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|
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if ( ( $Apache::lonhomework::type eq 'exam' ) ) |
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{ |
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$result .= $begin_environment; |
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$result .= &display_latex_exam($whichfoils, $bubbles_per_line); |
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$result .= $end_environment; |
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$result .= '\vskip 0mm '; |
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|
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} else { |
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|
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# Different rendering for PDF form than for a |
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# 'regular' answer direction is honored in both of those |
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# |
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|
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if ( ($env{'form.pdfFormFields'} eq 'yes') |
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&& ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) |
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{ |
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$result .= $begin_environment; |
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foreach my $name ( @{$whichfoils} ) { |
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|
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my $fieldname = |
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$env{'request.symb'} |
|
. '&part_' |
|
. $Apache::inputtags::part |
|
. '&radiobuttonresponse' |
|
. '&HWVAL_' |
|
. $Apache::inputtags::response['-1']; |
|
$result .= '\item[{' |
|
. &Apache::lonxml::print_pdf_radiobutton( $fieldname, |
|
$temp ) |
|
. '}]' |
|
. $Apache::response::foilgroup{ $name . '.text' } |
|
. "\n"; |
|
|
|
$temp++; |
|
} |
|
$result .= $end_environment; |
|
} else { |
|
$result .= &display_latex( |
|
$whichfoils, $direction, $begin_environment, $end_environment |
|
); |
|
} |
|
$result .= '\vskip 0 mm '; |
|
|
|
} |
|
|
|
|
} |
} |
if ( $target ne 'tex' ) { |
|
if ( $direction ne 'horizontal' ) { $result .= "<br />"; } |
|
} |
|
else { $result .= '\vskip 0 mm '; } |
|
return $result; |
return $result; |
} |
} |
|
|