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first version of calculated question import, MDL-8673, somme echos le…
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…ft to diagnostics

 possible bugs
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pichetp committed Mar 28, 2007
1 parent cb02455 commit 725ba2a
Showing 1 changed file with 158 additions and 0 deletions.
158 changes: 158 additions & 0 deletions question/format/xml/format.php
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Original file line number Diff line number Diff line change
Expand Up @@ -446,6 +446,96 @@ function import_essay( $question ) {
return $qo;
}

function import_calculated( $question ) {
// import numerical question

// get common parts
$qo = $this->import_headers( $question );

// header parts particular to numerical
$qo->qtype = CALCULATED ;//CALCULATED;

// get answers array
// echo "<pre> question";print_r($question);echo "</pre>";
$answers = $question['#']['answer'];
$qo->answers = array();
$qo->feedback = array();
$qo->fraction = array();
$qo->tolerance = array();
$qo->tolerancetype = array();
$qo->correctanswerformat = array();
$qo->correctanswerlength = array();
$qo->feedback = array();
foreach ($answers as $answer) {
// answer outside of <text> is deprecated
if (!empty( $answer['#']['text'] )) {
$answertext = $this->import_text( $answer['#']['text'] );
}
else {
$answertext = trim($answer['#'][0]);
}
if ($answertext == '') {
$qo->answers[] = '*';
} else {
$qo->answers[] = $answertext;
}
$qo->feedback[] = $this->import_text( $answer['#']['feedback'][0]['#']['text'] );
$qo->tolerance[] = $answer['#']['tolerance'][0]['#'];
// fraction as a tag is deprecated
if (!empty($answer['#']['fraction'][0]['#'])) {
$qo->fraction[] = $answer['#']['fraction'][0]['#'];
}
else {
$qo->fraction[] = $answer['@']['fraction'] / 100;
}
$qo->tolerancetype[] = $answer['#']['tolerancetype'][0]['#'];
$qo->correctanswerformat[] = $answer['#']['correctanswerformat'][0]['#'];
$qo->correctanswerlength[] = $answer['#']['correctanswerlength'][0]['#'];
}
// get units array
$qo->unit = array();
if (isset($question['#']['units'][0]['#']['unit'])) {
$units = $question['#']['units'][0]['#']['unit'];
$qo->multiplier = array();
foreach ($units as $unit) {
$qo->multiplier[] = $unit['#']['multiplier'][0]['#'];
$qo->unit[] = $unit['#']['unit_name'][0]['#'];
}
}
$datasets = $question['#']['dataset_definitions'][0]['#']['dataset_definition'];
$qo->dataset = array();
$qo->datasetindex= 0 ;
foreach ($datasets as $dataset) {
$qo->datasetindex++;
$qo->dataset[$qo->datasetindex] = new stdClass();
$qo->dataset[$qo->datasetindex]->status = $this->import_text( $dataset['#']['status'][0]['#']['text']);
$qo->dataset[$qo->datasetindex]->name = $this->import_text( $dataset['#']['name'][0]['#']['text']);
$qo->dataset[$qo->datasetindex]->type = $dataset['#']['type'][0]['#'];
$qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']);
$qo->dataset[$qo->datasetindex]->max = $this->import_text( $dataset['#']['maximum'][0]['#']['text']);
$qo->dataset[$qo->datasetindex]->min = $this->import_text( $dataset['#']['minimum'][0]['#']['text']);
$qo->dataset[$qo->datasetindex]->length = $this->import_text( $dataset['#']['decimals'][0]['#']['text']);
$qo->dataset[$qo->datasetindex]->distribution = $this->import_text( $dataset['#']['distribution'][0]['#']['text']);
$qo->dataset[$qo->datasetindex]->itemcount = $dataset['#']['itemcount'][0]['#'];
$qo->dataset[$qo->datasetindex]->datasetitem = array();
$qo->dataset[$qo->datasetindex]->itemindex = 0;
$qo->dataset[$qo->datasetindex]->number_of_items=$dataset['#']['number_of_items'][0]['#'];
$datasetitems = $dataset['#']['dataset_items'][0]['#']['dataset_item'];
foreach ($datasetitems as $datasetitem) {
$qo->dataset[$qo->datasetindex]->itemindex++;
$qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex] = new stdClass();
$qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->itemnumber = $datasetitem['#']['number'][0]['#']; //[0]['#']['number'][0]['#'] ; // [0]['numberitems'] ;//['#']['number'][0]['#'];// $datasetitems['#']['number'][0]['#'];
$qo->dataset[$qo->datasetindex]->datasetitem[$qo->dataset[$qo->datasetindex]->itemindex]->value = $datasetitem['#']['value'][0]['#'] ;//$datasetitem['#']['value'][0]['#'];
}
}

echo "<pre>loaded qo";print_r($qo);echo "</pre>";

$qo->import_process = true ; // flag for question_save_options()

return $qo;
}

/**
* this is not a real question type. It's a dummy type used
* to specify the import category
Expand Down Expand Up @@ -513,6 +603,9 @@ function readquestions($lines) {
elseif ($question_type=='essay') {
$qo = $this->import_essay( $question );
}
elseif ($question_type=='calculated') {
$qo = $this->import_calculated( $question );
}
elseif ($question_type=='category') {
$qo = $this->import_category( $question );
}
Expand Down Expand Up @@ -576,6 +669,9 @@ function get_qtype( $type_id ) {
case ESSAY:
$name = 'essay';
break;
case CALCULATED:
$name = 'calculated';
break;
default:
$name = 'unknown';
}
Expand Down Expand Up @@ -692,6 +788,7 @@ function writeimage( $imagepath ) {
* @return string xml segment
*/
function writequestion( $question ) {
global $CFG,$QTYPES;
// initial string;
$expout = "";

Expand Down Expand Up @@ -865,6 +962,67 @@ function writequestion( $question ) {
$expout .= "</answer>\n";
}

break;
case CALCULATED:
foreach ($question->options->answers as $answer) {
$tolerance = $answer->tolerance;
$tolerancetype = $answer->tolerancetype;
$correctanswerlength= $answer->correctanswerlength ;
$correctanswerformat= $answer->correctanswerformat;
$percent = 100 * $answer->fraction;
$expout .= "<answer fraction=\"$percent\">\n";
// "<text/>" tags are an added feature, old files won't have them
$expout .= " <text>{$answer->answer}</text>\n";
$expout .= " <tolerance>$tolerance</tolerance>\n";
$expout .= " <tolerancetype>$tolerancetype</tolerancetype>\n";
$expout .= " <correctanswerformat>$correctanswerformat</correctanswerformat>\n";
$expout .= " <correctanswerlength>$correctanswerformat</correctanswerlength>\n";
$expout .= " <feedback>".$this->writetext( $answer->feedback )."</feedback>\n";
$expout .= "</answer>\n";
}
$units = $question->options->units;
if (count($units)) {
$expout .= "<units>\n";
foreach ($units as $unit) {
$expout .= " <unit>\n";
$expout .= " <multiplier>{$unit->multiplier}</multiplier>\n";
$expout .= " <unit_name>{$unit->unit}</unit_name>\n";
$expout .= " </unit>\n";
}
$expout .= "</units>\n";
}
//echo "<pre> question calc";print_r($question);echo "</pre>";
//First, we a new function to get all the data itmes in the database
$question_datasetdefs =$QTYPES['calculated']->get_datasets_for_export ($question->id);
// echo "<pre> question defs";print_r($question_datasetdefs);echo "</pre>";
//If there are question_datasets
if (count($question_datasetdefs)) {// there should be
$expout .= "<dataset_definitions>\n";
foreach ($question_datasetdefs as $def) {
$expout .= "<dataset_definition>\n";
$expout .= " <status>".$this->writetext($def->status)."</status>\n";
$expout .= " <name>".$this->writetext($def->name)."</name>\n";
$expout .= " <type>calculated</type>\n";
$expout .= " <distribution>".$this->writetext($def->distribution)."</distribution>\n";
$expout .= " <minimum>".$this->writetext($def->minimum)."</minimum>\n";
$expout .= " <maximum>".$this->writetext($def->maximum)."</maximum>\n";
$expout .= " <decimals>".$this->writetext($def->decimals)."</decimals>\n";
$expout .= " <itemcount>$def->itemcount</itemcount>\n";
if ($def->itemcount > 0 ) {
$expout .= " <dataset_items>\n";
foreach ($def->items as $item ){
$expout .= " <dataset_item>\n";
$expout .= " <number>".$item->itemnumber."</number>\n";
$expout .= " <value>".$item->value."</value>\n";
$expout .= " </dataset_item>\n";
}
$expout .= " </dataset_items>\n";
$expout .= " <number_of_items>".$def-> number_of_items."</number_of_items>\n";
}
$expout .= "</dataset_definition>\n";
}
$expout .= "</dataset_definitions>\n";
}
break;
default:
$expout .= "<!-- Question type is unknown or not supported (Type=$question->qtype) -->\n";
Expand Down

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