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| 1 : | malsyned | 353 | package WeBWorK::ContentGenerator::Problem; |
| 2 : | sh002i | 415 | use base qw(WeBWorK::ContentGenerator); |
| 3 : | malsyned | 396 | |
| 4 : | use strict; | ||
| 5 : | use warnings; | ||
| 6 : | sh002i | 424 | use CGI qw(:html :form); |
| 7 : | use WeBWorK::Utils qw(ref2string); | ||
| 8 : | sh002i | 415 | use WeBWorK::PG; |
| 9 : | sh002i | 424 | use WeBWorK::Form; |
| 10 : | malsyned | 353 | |
| 11 : | sh002i | 424 | # user |
| 12 : | # key | ||
| 13 : | sh002i | 415 | # |
| 14 : | sh002i | 424 | # displayMode |
| 15 : | # showOldAnswers | ||
| 16 : | # showCorrectAnswers | ||
| 17 : | # showHints | ||
| 18 : | # showSolutions | ||
| 19 : | sh002i | 415 | # |
| 20 : | sh002i | 425 | # AnSwEr# - answer blanks in problem |
| 21 : | # | ||
| 22 : | # redisplay - name of the "Redisplay" button | ||
| 23 : | # processAnswers - name of "Submit Answers" button | ||
| 24 : | gage | 392 | |
| 25 : | malsyned | 353 | sub title { |
| 26 : | sh002i | 424 | my ($self, $setName, $problemNumber) = @_; |
| 27 : | my $userName = $self->{r}->param('user'); | ||
| 28 : | return "Problem $problemNumber of problem set $setName for $userName"; | ||
| 29 : | malsyned | 353 | } |
| 30 : | |||
| 31 : | sub body { | ||
| 32 : | sh002i | 424 | my ($self, $setName, $problemNumber) = @_; |
| 33 : | my $courseEnv = $self->{courseEnvironment}; | ||
| 34 : | my $r = $self->{r}; | ||
| 35 : | my $userName = $r->param('user'); | ||
| 36 : | malsyned | 353 | |
| 37 : | sh002i | 424 | # fix format of setName and problem |
| 38 : | # (i want dennis to cut "set" and "prob" off before calling me) | ||
| 39 : | $setName =~ s/^set//; | ||
| 40 : | $problemNumber =~ s/^prob//; | ||
| 41 : | gage | 388 | |
| 42 : | sh002i | 424 | # get database information |
| 43 : | my $classlist = WeBWorK::DB::Classlist->new($courseEnv); | ||
| 44 : | my $wwdb = WeBWorK::DB::WW->new($courseEnv); | ||
| 45 : | my $user = $classlist->getUser($userName); | ||
| 46 : | my $set = $wwdb->getSet($userName, $setName); | ||
| 47 : | my $problem = $wwdb->getProblem($userName, $setName, $problemNumber); | ||
| 48 : | my $psvn = $wwdb->getPSVN($userName, $setName); | ||
| 49 : | malsyned | 396 | |
| 50 : | sh002i | 425 | # set options from form fields (see comment at top of file for names) |
| 51 : | sh002i | 424 | my $displayMode = $r->param("displayMode") || $courseEnv->{pg}->{options}->{displayMode}; |
| 52 : | my $showOldAnswers = $r->param("showOldAnswers") || $courseEnv->{pg}->{options}->{showOldAnswers}; | ||
| 53 : | my $showCorrectAnswers = $r->param("showCorrectAnswers") || $courseEnv->{pg}->{options}->{showCorrectAnswers}; | ||
| 54 : | my $showHints = $r->param("showHints") || $courseEnv->{pg}->{options}->{showHints}; | ||
| 55 : | my $showSolutions = $r->param("showSolutions") || $courseEnv->{pg}->{options}->{showSolutions}; | ||
| 56 : | sh002i | 425 | my $redisplay = $r->param("redisplay"); |
| 57 : | sh002i | 424 | my $processAnswers = $r->param("submitAnswers"); |
| 58 : | gage | 388 | |
| 59 : | sh002i | 424 | # coerce form fields into CGI::Vars format |
| 60 : | my $formFields = { WeBWorK::Form->new_from_paramable($r)->Vars }; | ||
| 61 : | gage | 392 | |
| 62 : | sh002i | 424 | # TODO: |
| 63 : | # 1. enforce privs for showCorrectAnswers and showSolutions | ||
| 64 : | # (use $PRIV = $canPRIV && $wantPRIV -- cool syntax!) | ||
| 65 : | # 2. if answers were not submitted and there are student answers in the DB, | ||
| 66 : | # decode them and put them into $formFields for the translator | ||
| 67 : | # 3. Latex2HTML massaging code | ||
| 68 : | # 4. store submitted answers hash in database for sticky answers | ||
| 69 : | # 5. deal with the results of answer evaluation and grading :p | ||
| 70 : | # 6. introduce a recordAnswers option, which works on the same principle as | ||
| 71 : | # the other priv-based options | ||
| 72 : | sh002i | 425 | # 7. make warnings work |
| 73 : | gage | 392 | |
| 74 : | sh002i | 424 | my $pg = WeBWorK::PG->new( |
| 75 : | $courseEnv, | ||
| 76 : | $r->param('user'), | ||
| 77 : | $r->param('key'), | ||
| 78 : | $setName, | ||
| 79 : | $problemNumber, | ||
| 80 : | { # translation options | ||
| 81 : | displayMode => $displayMode, | ||
| 82 : | showHints => $showHints, | ||
| 83 : | showSolutions => $showSolutions, | ||
| 84 : | sh002i | 425 | processAnswers => $processAnswers ? 1 : 0, |
| 85 : | sh002i | 424 | }, |
| 86 : | $formFields | ||
| 87 : | ); | ||
| 88 : | gage | 392 | |
| 89 : | sh002i | 425 | if ($pg->{flags}->{error_flag}) { |
| 90 : | # there was an error in translation | ||
| 91 : | print h2("Software Error"); | ||
| 92 : | print p(<<EOF); | ||
| 93 : | WeBWorK has encountered a software error while attempting to process this problem. | ||
| 94 : | It is likely that there is an error in the problem itself. | ||
| 95 : | If you are a student, contact your professor to have the error corrected. | ||
| 96 : | If you are a professor, please consut the error output below for more informaiton. | ||
| 97 : | EOF | ||
| 98 : | print h3("Error messages"), blockquote(pre($pg->{errors})); | ||
| 99 : | print h3("Error context"), blockquote(pre($pg->{body_text})); | ||
| 100 : | return ""; | ||
| 101 : | } | ||
| 102 : | sh002i | 415 | |
| 103 : | sh002i | 425 | # Previous answer results |
| 104 : | if ($processAnswers) { | ||
| 105 : | print h3("Results of your latest attempt"); | ||
| 106 : | print attemptResults($pg, $showCorrectAnswers, $pg->{flags}->{showPartialCorrectAnswers}); | ||
| 107 : | print hr(); | ||
| 108 : | } | ||
| 109 : | |||
| 110 : | # main form | ||
| 111 : | sh002i | 424 | print startform("POST", $r->uri); |
| 112 : | print $self->hidden_authen_fields; | ||
| 113 : | sh002i | 425 | print $self->hidden_fields(qw(displayMode showOldAnswers showCorrectAnswers showHints showSolutions)); |
| 114 : | print p($pg->{body_text}); | ||
| 115 : | print p(submit(-name=>"submitAnswers", -label=>"Submit Answers")); | ||
| 116 : | print endform(); | ||
| 117 : | print hr(); | ||
| 118 : | |||
| 119 : | # view options | ||
| 120 : | # what i'd really like to do here is: | ||
| 121 : | # - preserve the answers currently in the form fields | ||
| 122 : | # - display the answer summary box | ||
| 123 : | # - NOT record answers UNDER ANY CIRCUMSTANCES! | ||
| 124 : | print startform("POST", $r->uri); | ||
| 125 : | #print $self->hidden_fields(); | ||
| 126 : | sh002i | 424 | print p("View equations as: ", |
| 127 : | radio_group( | ||
| 128 : | -name => "displayMode", | ||
| 129 : | -values => ['plainText', 'formattedText', 'images'], | ||
| 130 : | -default => $displayMode, | ||
| 131 : | -labels => { | ||
| 132 : | plainText => "plain text", | ||
| 133 : | formattedText => "formatted text", | ||
| 134 : | images => "images", | ||
| 135 : | } | ||
| 136 : | ), br(), | ||
| 137 : | checkbox( | ||
| 138 : | -name => "showOldAnswers", | ||
| 139 : | -checked => $showOldAnswers, | ||
| 140 : | -label => "Show old answers", | ||
| 141 : | ), br(), | ||
| 142 : | sh002i | 425 | checkbox( |
| 143 : | -name => "showCorrectAnswers", | ||
| 144 : | -checked => $showCorrectAnswers, | ||
| 145 : | -label => "Show correct answers", | ||
| 146 : | ), br(), | ||
| 147 : | checkbox( | ||
| 148 : | -name => "showHints", | ||
| 149 : | -checked => $showHints, | ||
| 150 : | -label => "Show hints", | ||
| 151 : | ), br(), | ||
| 152 : | checkbox( | ||
| 153 : | -name => "showSolutions", | ||
| 154 : | -checked => $showSolutions, | ||
| 155 : | -label => "Show solutions", | ||
| 156 : | ), br(), | ||
| 157 : | sh002i | 424 | ); |
| 158 : | sh002i | 425 | print p(submit(-name=>"redisplay", -label=>"Redisplay Problem")); |
| 159 : | sh002i | 424 | print endform(); |
| 160 : | print hr(); | ||
| 161 : | gage | 392 | |
| 162 : | sh002i | 424 | # debugging stuff |
| 163 : | print h2("debugging information"); | ||
| 164 : | print h3("form fields"); | ||
| 165 : | print ref2string($formFields); | ||
| 166 : | print h3("PG object"); | ||
| 167 : | print ref2string($pg, {'WeBWorK::PG::Translator' => 1}); | ||
| 168 : | gage | 392 | |
| 169 : | sh002i | 424 | return ""; |
| 170 : | malsyned | 353 | } |
| 171 : | |||
| 172 : | sh002i | 425 | sub attemptResults { |
| 173 : | my $pg = shift; | ||
| 174 : | my $showCorrectAnswers = shift; | ||
| 175 : | my $showAttemptResults = shift; | ||
| 176 : | my $problemResult = $pg->{result}; # the overall result of the problem | ||
| 177 : | my @answerNames = @{ $pg->{flags}->{ANSWER_ENTRY_ORDER} }; | ||
| 178 : | |||
| 179 : | my $header = th("answer") . th("attempt"); | ||
| 180 : | $header .= $showCorrectAnswers ? th("correct") : ""; | ||
| 181 : | $header .= $showAttemptResults ? th("result") : ""; | ||
| 182 : | $header .= th("messages"); | ||
| 183 : | my @tableRows = ( $header ); | ||
| 184 : | my $numCorrect; | ||
| 185 : | foreach my $name (@answerNames) { | ||
| 186 : | my $answerResult = $pg->{answers}->{$name}; | ||
| 187 : | my $studentAnswer = $answerResult->{student_ans}; | ||
| 188 : | my $correctAnswer = $answerResult->{correct_ans}; | ||
| 189 : | my $answerScore = $answerResult->{score}; | ||
| 190 : | my $answerMessage = $answerResult->{ans_message}; | ||
| 191 : | |||
| 192 : | $numCorrect += $answerScore > 0; | ||
| 193 : | my $resultString = $answerScore ? "correct :^)" : "incorrect >:("; | ||
| 194 : | |||
| 195 : | my $row = td($name) . td($studentAnswer); | ||
| 196 : | $row .= $showCorrectAnswers ? td($correctAnswer) : ""; | ||
| 197 : | $row .= $showAttemptResults ? td($resultString) : ""; | ||
| 198 : | $row .= $answerMessage ? td($answerMessage) : ""; | ||
| 199 : | push @tableRows, $row; | ||
| 200 : | } | ||
| 201 : | |||
| 202 : | my $scorePercent = int ($problemResult->{score} * 100) . "\%"; | ||
| 203 : | my $message = i($problemResult->{msg}); | ||
| 204 : | my $summary = "You answered $numCorrect questions out of " | ||
| 205 : | . scalar @answerNames . " correct, for a score of $scorePercent."; | ||
| 206 : | return table({-border=>1}, Tr(\@tableRows)) . p($message, br(), $summary); | ||
| 207 : | } | ||
| 208 : | |||
| 209 : | sh002i | 415 | 1; |
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