/** * Add question-type specific form fields. * * @param MoodleQuickForm $mform the form being built. */ protected function definition_inner($mform) { $strquestionlabel = $this->qtypeobj->comment_header($this->nonemptyanswer); $label = get_string("sharedwildcards", "qtype_calculated"); $mform->addElement('hidden', 'synchronize', 0); $mform->addElement('hidden', 'initialcategory', 1); $mform->setType('synchronize', PARAM_BOOL); $mform->setType('initialcategory', PARAM_INT); $mform->addElement('hidden', 'reload', 1); $mform->setType('reload', PARAM_INT); $addfieldsname = 'updatequestion value'; $addstring = get_string("updatecategory", "qtype_calculated"); $mform->registerNoSubmitButton($addfieldsname); $this->add_per_answer_fields($mform, get_string('answerhdr', 'qtype_calculated', '{no}'), question_bank::fraction_options(), 1, 1); $this->add_unit_options($mform, $this); $this->add_unit_fields($mform, $this); $this->add_interactive_settings(); $label = "<div class='mdl-align'></div><div class='mdl-align'>" . get_string('wildcardrole', 'qtype_calculatedsimple') . "</div>"; $mform->addElement('html', "<div class='mdl-align'> </div>"); // Explaining the role of datasets so other strings can be shortened. $mform->addElement('html', $label); $mform->addElement('submit', 'analyzequestion', get_string('findwildcards', 'qtype_calculatedsimple')); $mform->registerNoSubmitButton('analyzequestion'); $mform->closeHeaderBefore('analyzequestion'); $this->wizarddisplay = optional_param('analyzequestion', false, PARAM_BOOL); if ($this->maxnumber != -1) { $this->noofitems = $this->maxnumber; } else { $this->noofitems = 0; } if (!empty($this->datasetdefs)) { // So there are some datadefs. // We put them on the page. $key = 0; $mform->addElement('header', 'additemhdr', get_string('wildcardparam', 'qtype_calculatedsimple')); $idx = 1; if (!empty($this->datasetdefs)) { // Unnecessary test. $j = $this->noofitems * count($this->datasetdefs) + 1; // foreach ($this->datasetdefs as $defkey => $datasetdef) { $mform->addElement('static', "na[{$j}]", get_string('param', 'qtype_calculated', $datasetdef->name)); $this->qtypeobj->custom_generator_tools_part($mform, $idx, $j); $mform->addElement('hidden', "datasetdef[{$idx}]"); $mform->setType("datasetdef[{$idx}]", PARAM_RAW); $mform->addElement('hidden', "defoptions[{$idx}]"); $mform->setType("defoptions[{$idx}]", PARAM_RAW); $idx++; $mform->addElement('static', "divider[{$j}]", '', '<hr />'); $j++; } } // This should be done before the elements are created and stored as $this->formdata. // Fill out all data sets and also the fields for the next item to add. /*Here we do already the values error analysis so that * we could force all wild cards values display if there is an error in values. * as using a , in a number */ $this->numbererrors = array(); if (!empty($this->datasetdefs)) { $j = $this->noofitems * count($this->datasetdefs); for ($itemnumber = $this->noofitems; $itemnumber >= 1; $itemnumber--) { $data = array(); $numbererrors = array(); $comment = new stdClass(); $comment->stranswers = array(); $comment->outsidelimit = false; $comment->answers = array(); foreach ($this->datasetdefs as $defid => $datasetdef) { if (isset($datasetdef->items[$itemnumber])) { $this->formdata["definition[{$j}]"] = $defid; $this->formdata["itemid[{$j}]"] = $datasetdef->items[$itemnumber]->id; $data[$datasetdef->name] = $datasetdef->items[$itemnumber]->value; $this->formdata["number[{$j}]"] = $number = $datasetdef->items[$itemnumber]->value; if (!is_numeric($number)) { $a = new stdClass(); $a->name = '{' . $datasetdef->name . '}'; $a->value = $datasetdef->items[$itemnumber]->value; if (stristr($number, ',')) { $this->numbererrors["number[{$j}]"] = get_string('nocommaallowed', 'qtype_calculated'); $numbererrors .= $this->numbererrors['number[' . $j . ']'] . "<br />"; } else { $this->numbererrors["number[{$j}]"] = get_string('notvalidnumber', 'qtype_calculated', $a); $numbererrors .= $this->numbererrors['number[' . $j . ']'] . "<br />"; } } else { if (stristr($number, 'x')) { // Hexa will pass the test. $a = new stdClass(); $a->name = '{' . $datasetdef->name . '}'; $a->value = $datasetdef->items[$itemnumber]->value; $this->numbererrors['number[' . $j . ']'] = get_string('hexanotallowed', 'qtype_calculated', $a); $numbererrors .= $this->numbererrors['number[' . $j . ']'] . "<br />"; } else { if (is_nan($number)) { $a = new stdClass(); $a->name = '{' . $datasetdef->name . '}'; $a->value = $datasetdef->items[$itemnumber]->value; $this->numbererrors["number[{$j}]"] = get_string('notvalidnumber', 'qtype_calculated', $a); $numbererrors .= $this->numbererrors['number[' . $j . ']'] . "<br />"; } } } } $j--; } if ($this->noofitems != 0) { if (empty($numbererrors)) { if (!isset($this->question->id)) { $this->question->id = 0; } $this->question->questiontext = !empty($this->question->questiontext) ? $this->question->questiontext : ''; $comment = $this->qtypeobj->comment_on_datasetitems($this->qtypeobj, $this->question->id, $this->question->questiontext, $this->nonemptyanswer, $data, $itemnumber); if ($comment->outsidelimit) { $this->outsidelimit = $comment->outsidelimit; } $totalcomment = ''; foreach ($this->nonemptyanswer as $key => $answer) { $totalcomment .= $comment->stranswers[$key] . '<br/>'; } $this->formdata['answercomment[' . $itemnumber . ']'] = $totalcomment; } } } $this->formdata['selectdelete'] = '1'; $this->formdata['selectadd'] = '1'; $j = $this->noofitems * count($this->datasetdefs) + 1; $data = array(); // Data for comment_on_datasetitems later. $idx = 1; foreach ($this->datasetdefs as $defid => $datasetdef) { $this->formdata["datasetdef[{$idx}]"] = $defid; $idx++; } $this->formdata = $this->qtypeobj->custom_generator_set_data($this->datasetdefs, $this->formdata); } $addoptions = array(); $addoptions['1'] = '1'; for ($i = 10; $i <= 100; $i += 10) { $addoptions["{$i}"] = "{$i}"; } $showoptions = array(); $showoptions['1'] = '1'; $showoptions['2'] = '2'; $showoptions['5'] = '5'; for ($i = 10; $i <= 100; $i += 10) { $showoptions["{$i}"] = "{$i}"; } $mform->closeHeaderBefore('additemhdr'); $addgrp = array(); $addgrp[] = $mform->createElement('submit', 'addbutton', get_string('generatenewitemsset', 'qtype_calculatedsimple')); $addgrp[] = $mform->createElement('select', "selectadd", '', $addoptions); $addgrp[] = $mform->createElement('static', "stat", '', get_string('newsetwildcardvalues', 'qtype_calculatedsimple')); $mform->addGroup($addgrp, 'addgrp', '', ' ', false); $mform->registerNoSubmitButton('addbutton'); $mform->closeHeaderBefore('addgrp'); $addgrp1 = array(); $addgrp1[] = $mform->createElement('submit', 'showbutton', get_string('showitems', 'qtype_calculatedsimple')); $addgrp1[] = $mform->createElement('select', "selectshow", '', $showoptions); $addgrp1[] = $mform->createElement('static', "stat", '', get_string('setwildcardvalues', 'qtype_calculatedsimple')); $mform->addGroup($addgrp1, 'addgrp1', '', ' ', false); $mform->registerNoSubmitButton('showbutton'); $mform->closeHeaderBefore('addgrp1'); $mform->addElement('static', "divideradd", '', ''); if ($this->noofitems == 0) { $mform->addElement('static', 'warningnoitems', '', '<span class="error">' . get_string('youmustaddatleastonevalue', 'qtype_calculatedsimple') . '</span>'); $mform->closeHeaderBefore('warningnoitems'); } else { $mform->addElement('header', 'additemhdr1', get_string('wildcardvalues', 'qtype_calculatedsimple')); $mform->closeHeaderBefore('additemhdr1'); if (!empty($this->numbererrors) || $this->outsidelimit) { $mform->addElement('static', "alert", '', '<span class="error">' . get_string('useadvance', 'qtype_calculatedsimple') . '</span>'); } $mform->addElement('submit', 'updatedatasets', get_string('updatewildcardvalues', 'qtype_calculatedsimple')); $mform->registerNoSubmitButton('updatedatasets'); $mform->setAdvanced("updatedatasets", true); // ...--------------------------------------------------------------. $j = $this->noofitems * count($this->datasetdefs); $k = optional_param('selectshow', 1, PARAM_INT); for ($i = $this->noofitems; $i >= 1; $i--) { foreach ($this->datasetdefs as $defkey => $datasetdef) { if ($k > 0 || $this->outsidelimit || !empty($this->numbererrors)) { $mform->addElement('text', "number[{$j}]", get_string('wildcard', 'qtype_calculatedsimple', $datasetdef->name)); $mform->setAdvanced("number[{$j}]", true); if (!empty($this->numbererrors['number[' . $j . ']'])) { $mform->addElement('static', "numbercomment[{$j}]", '', '<span class="error">' . $this->numbererrors['number[' . $j . ']'] . '</span>'); $mform->setAdvanced("numbercomment[{$j}]", true); } } else { $mform->addElement('hidden', "number[{$j}]", get_string('wildcard', 'qtype_calculatedsimple', $datasetdef->name)); } $mform->setType("number[{$j}]", PARAM_RAW); // This parameter will be validated in validation(). $mform->addElement('hidden', "itemid[{$j}]"); $mform->setType("itemid[{$j}]", PARAM_INT); $mform->addElement('hidden', "definition[{$j}]"); $mform->setType("definition[{$j}]", PARAM_NOTAGS); $j--; } if (!empty($strquestionlabel) && ($k > 0 || $this->outsidelimit || !empty($this->numbererrors))) { $mform->addElement('static', "answercomment[{$i}]", "<b>" . get_string('setno', 'qtype_calculatedsimple', $i) . "</b> " . $strquestionlabel); } if ($k > 0 || $this->outsidelimit || !empty($this->numbererrors)) { $mform->addElement('static', "divider1[{$j}]", '', '<hr />'); } $k--; } } } else { $mform->addElement('static', 'warningnowildcards', '', '<span class="error">' . get_string('atleastonewildcard', 'qtype_calculatedsimple') . '</span>'); $mform->closeHeaderBefore('warningnowildcards'); } // ...----------------------------------------------------------------------. // Non standard name for button element needed so not using add_action_buttons. // Hidden elements. $mform->addElement('hidden', 'id'); $mform->setType('id', PARAM_INT); $mform->addElement('hidden', 'courseid'); $mform->setType('courseid', PARAM_INT); $mform->setDefault('courseid', 0); $mform->addElement('hidden', 'cmid'); $mform->setType('cmid', PARAM_INT); $mform->setDefault('cmid', 0); if (!empty($this->question->id)) { if ($this->question->formoptions->cansaveasnew) { $mform->addElement('header', 'additemhdr', get_string('converttocalculated', 'qtype_calculatedsimple')); $mform->closeHeaderBefore('additemhdr'); $mform->addElement('checkbox', 'convert', '', get_string('willconverttocalculated', 'qtype_calculatedsimple')); $mform->setDefault('convert', 0); } } }
function validation($data, $files) { $errors = parent::validation($data, $files); //verifying for errors in {=...} in question text; $qtext = ""; $qtextremaining = $data['questiontext']; $possibledatasets = $this->qtypeobj->find_dataset_names($data['questiontext']); foreach ($possibledatasets as $name => $value) { $qtextremaining = str_replace('{' . $name . '}', '1', $qtextremaining); } while (preg_match('~\\{=([^[:space:]}]*)}~', $qtextremaining, $regs1)) { $qtextsplits = explode($regs1[0], $qtextremaining, 2); $qtext = $qtext . $qtextsplits[0]; $qtextremaining = $qtextsplits[1]; if (!empty($regs1[1]) && ($formulaerrors = qtype_calculated_find_formula_errors($regs1[1]))) { if (!isset($errors['questiontext'])) { $errors['questiontext'] = $formulaerrors . ':' . $regs1[1]; } else { $errors['questiontext'] .= '<br/>' . $formulaerrors . ':' . $regs1[1]; } } } $answers = $data['answer']; $answercount = 0; $maxgrade = false; $possibledatasets = $this->qtypeobj->find_dataset_names($data['questiontext']); $mandatorydatasets = array(); foreach ($answers as $key => $answer) { $mandatorydatasets += $this->qtypeobj->find_dataset_names($answer); } if (count($mandatorydatasets) == 0) { foreach ($answers as $key => $answer) { $errors['answer[' . $key . ']'] = get_string('atleastonewildcard', 'qtype_datasetdependent'); } } foreach ($answers as $key => $answer) { //check no of choices // the * for everykind of answer not actually implemented $trimmedanswer = trim($answer); if ($trimmedanswer != '' || $answercount == 0) { $eqerror = qtype_calculated_find_formula_errors($trimmedanswer); if (FALSE !== $eqerror) { $errors['answer[' . $key . ']'] = $eqerror; } } if ($trimmedanswer != '') { if ('2' == $data['correctanswerformat'][$key] && '0' == $data['correctanswerlength'][$key]) { $errors['correctanswerlength[' . $key . ']'] = get_string('zerosignificantfiguresnotallowed', 'quiz'); } if (!is_numeric($data['tolerance'][$key])) { $errors['tolerance[' . $key . ']'] = get_string('mustbenumeric', 'qtype_calculated'); } if ($data['fraction'][$key] == 1) { $maxgrade = true; } $answercount++; } //check grades //TODO how should grade checking work here?? /*if ($answer != '') { if ($data['fraction'][$key] > 0) { $totalfraction += $data['fraction'][$key]; } if ($data['fraction'][$key] > $maxfraction) { $maxfraction = $data['fraction'][$key]; } }*/ } //grade checking : /// Perform sanity checks on fractional grades /*if ( ) { if ($maxfraction != 1) { $maxfraction = $maxfraction * 100; $errors['fraction[0]'] = get_string('errfractionsnomax', 'qtype_multichoice', $maxfraction); } } else { $totalfraction = round($totalfraction,2); if ($totalfraction != 1) { $totalfraction = $totalfraction * 100; $errors['fraction[0]'] = get_string('errfractionsaddwrong', 'qtype_multichoice', $totalfraction); } }*/ $units = $data['unit']; if (count($units)) { foreach ($units as $key => $unit) { if (is_numeric($unit)) { $errors['unit[' . $key . ']'] = get_string('mustnotbenumeric', 'qtype_calculated'); } $trimmedunit = trim($unit); $trimmedmultiplier = trim($data['multiplier'][$key]); if (!empty($trimmedunit)) { if (empty($trimmedmultiplier)) { $errors['multiplier[' . $key . ']'] = get_string('youmustenteramultiplierhere', 'qtype_calculated'); } if (!is_numeric($trimmedmultiplier)) { $errors['multiplier[' . $key . ']'] = get_string('mustbenumeric', 'qtype_calculated'); } } } } if ($answercount == 0) { $errors['answer[0]'] = get_string('atleastoneanswer', 'qtype_calculated'); } if ($maxgrade == false) { $errors['fraction[0]'] = get_string('fractionsnomax', 'question'); } if (isset($data['backtoquiz']) && $this->noofitems == 0) { $errors['warning'] = get_string('warning', 'mnet'); } if ($this->outsidelimit) { // if(!isset($errors['warning'])) $errors['warning']=' '; $errors['outsidelimits'] = get_string('oneanswertrueansweroutsidelimits', 'qtype_calculated'); } /*Here we use the already done the error analysis so that * we could force all wild cards values display if there is an error in values. * as using a , in a number */ $numbers = $data['number']; foreach ($numbers as $key => $number) { if (!is_numeric($number)) { if (stristr($number, ',')) { $errors['number[' . $key . ']'] = get_string('notvalidnumber', 'qtype_datasetdependent'); } else { $errors['number[' . $key . ']'] = get_string('notvalidnumber', 'qtype_datasetdependent'); } } else { if (stristr($number, 'x')) { $errors['number[' . $key . ']'] = get_string('notvalidnumber', 'qtype_datasetdependent'); } else { if (is_nan($number)) { $errors['number[' . $key . ']'] = get_string('notvalidnumber', 'qtype_datasetdependent'); } } } } if ($this->noofitems == 0) { $errors['warning'] = get_string('warning', 'mnet'); } return $errors; }