/**
* Helper method used by {@link export_to_xml()}.
* @param array $xml the XML to extract the data from.
* @param string $field the name of the sub-tag in the XML to load the data from.
* @param qformat_xml $format the importer/exporter object.
* @param int $defaultformat Dfeault text format, if it is not given in the file.
* @return array with fields text, format and files.
*/
protected function import_xml_text($xml, $field, qformat_xml $format, $defaultformat)
{
$text = array();
$text['text'] = $format->getpath($xml, array('#', $field, 0, '#', 'text', 0, '#'), '', true);
$text['format'] = $format->trans_format($format->getpath($xml, array('#', $field, 0, '@', 'format'), $format->get_format($defaultformat)));
$text['files'] = $format->import_files($format->getpath($xml, array('#', $field, 0, '#', 'file'), array(), false));
return $text;
}
public function import_from_xml($data, $question, qformat_xml $format, $extra = null)
{
global $CFG;
$question_type = "poodllrecording";
//omit table name
$qo = $format->import_headers($data);
$qo->qtype = $question_type;
$q = $data;
$qo->responseformat = $format->getpath($q, array('#', 'responseformat', 0, '#'), 'picture');
$qo->responsefieldlines = $format->getpath($q, array('#', 'responsefieldlines', 0, '#'), 15);
$qo->attachments = $format->getpath($q, array('#', 'attachments', 0, '#'), 0);
//older versions handled files diff. SeeM DL-39-57
if ($CFG->version < 2013051400) {
$qo->graderinfo['text'] = $format->getpath($q, array('#', 'graderinfo', 0, '#', 'text', 0, '#'), '', true);
$qo->graderinfo['format'] = $format->trans_format($format->getpath($q, array('#', 'graderinfo', 0, '@', 'format'), $format->get_format($qo->questiontextformat)));
$qo->graderinfo['files'] = $format->import_files($format->getpath($q, array('#', 'graderinfo', '0', '#', 'file'), array()));
$qo->backimage = $format->import_files($format->getpath($q, array('#', 'backimage', '0', '#', 'file'), array()));
} else {
$qo->graderinfo = $format->import_text_with_files($q, array('#', 'graderinfo', 0), '', $qo->questiontextformat);
$qo->backimage = $format->import_files_as_draft($format->getpath($q, array('#', 'backimage', '0', '#', 'file'), array()));
}
$qo->boardsize = $format->getpath($q, array('#', 'boardsize', 0, '#'), '320x320');
$qo->timelimit = $format->getpath($q, array('#', 'timelimit', 0, '#'), 0);
return $qo;
}
/**
* Create a draft files area, import files into it and return the draft item id.
* @param qformat_xml $format
* @param array $xml an array of <file> nodes from the the parsed XML.
* @return integer draftitemid
*/
public function import_files_to_draft_file_area($format, $xml)
{
global $USER;
$fs = get_file_storage();
$files = $format->import_files($xml);
$usercontext = get_context_instance(CONTEXT_USER, $USER->id);
$draftitemid = file_get_unused_draft_itemid();
foreach ($files as $file) {
$record = new stdClass();
$record->contextid = $usercontext->id;
$record->component = 'user';
$record->filearea = 'draft';
$record->itemid = $draftitemid;
$record->filename = $file->name;
$record->filepath = '/';
$fs->create_file_from_string($record, $this->decode_file($file));
}
return $draftitemid;
}
public function ximport_from_xml($data, $question, qformat_xml $format, $extra = null)
{
$question_type = "poodllrecording";
$extraquestionfields = $this->extra_question_fields();
if (!is_array($extraquestionfields)) {
return false;
}
//omit table name
array_shift($extraquestionfields);
$qo = $format->import_headers($data);
$qo->qtype = $question_type;
foreach ($extraquestionfields as $field) {
if ($field == 'backimage') {
//this probably wont work, it might save the file, but the id will not get stored in the backimage field
//maybe do as we do in save_question_options above, see base 64 decode logic in questiontypebase.php import_file
$qo->backimage['files'] = $format->import_files($format->getpath($question, array('#', 'backimage', '0', '#', 'file'), array()));
} else {
$qo->{$field} = $format->getpath($data, array('#', $field, 0, '#'), '');
}
//end of if back image
}
//end of for each
return $qo;
}
