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adding calculated question import and export functions for xml formats merged from head

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pichetp
2007-05-15 00:34:41 +00:00
parent f7d5bed2d2
commit 63336df702
1 changed files with 160 additions and 2 deletions
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question/format/xml/format.php
+160 -2
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@@ -5,7 +5,10 @@
//
//////////////////////////////////////////////////////////////////////////
// Based on default.php, included by ../import.php
/**
* @package questionbank
* @subpackage importexport
*/
require_once( "$CFG->libdir/xmlize.php" );
class qformat_xml extends qformat_default {
@@ -465,6 +468,94 @@ class qformat_xml extends qformat_default {
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>";
return $qo;
}
/**
* this is not a real question type. It's a dummy type used
* to specify the import category
@@ -532,6 +623,9 @@ class qformat_xml extends qformat_default {
elseif ($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 );
}
@@ -543,7 +637,6 @@ class qformat_xml extends qformat_default {
// stick the result in the $questions array
if ($qo) {
$qo->generalfeedback = '';
$questions[] = $qo;
}
}
@@ -595,6 +688,9 @@ class qformat_xml extends qformat_default {
case ESSAY:
$name = 'essay';
break;
case CALCULATED:
$name = 'calculated';
break;
default:
$name = 'unknown';
}
@@ -711,6 +807,7 @@ class qformat_xml extends qformat_default {
* @return string xml segment
*/
function writequestion( $question ) {
global $CFG,$QTYPES;
// initial string;
$expout = "";
@@ -888,6 +985,67 @@ class qformat_xml extends qformat_default {
$expout .= "</answer>\n";
}
break;
case CALCULATED:
foreach ($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 ($question);
// echo "<pre> question defs";print_r($question_datasetdefs);echo "</pre>";
//If there are question_datasets
if( isset($question->options->datasets)&&count($question->options->datasets)){// there should be
$expout .= "<dataset_definitions>\n";
foreach ($question->options->datasets 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:
// should not get here