public function validation($data, $files)
{
$errors = parent::validation($data, $files);
if (!self::file_uploaded($data['bgimage'])) {
$errors["bgimage"] = get_string('formerror_nobgimage', 'qtype_' . $this->qtype());
}
$allchoices = array();
for ($i = 0; $i < $data['nodropzone']; $i++) {
$ytoppresent = trim($data['drops'][$i]['ytop']) !== '';
$xleftpresent = trim($data['drops'][$i]['ytop']) !== '';
$labelpresent = trim($data['drops'][$i]['droplabel']) !== '';
$choice = $data['drops'][$i]['choice'];
$imagechoicepresent = $choice !== '0';
if ($imagechoicepresent) {
if (!$ytoppresent) {
$errors["drops[{$i}]"] = get_string('formerror_noytop', 'qtype_ddimageortext');
}
if (!$xleftpresent) {
$errors["drops[{$i}]"] = get_string('formerror_noxleft', 'qtype_ddimageortext');
}
if ($data['dragitemtype'][$choice - 1] != 'word' && !self::file_uploaded($data['dragitem'][$choice - 1])) {
$errors['dragitem[' . ($choice - 1) . ']'] = get_string('formerror_nofile', 'qtype_ddimageortext', $i);
}
if (isset($allchoices[$choice]) && !$data['drags'][$choice - 1]['infinite']) {
$errors["drops[{$i}]"] = get_string('formerror_multipledraginstance', 'qtype_ddimageortext', $choice);
$errors['drops[' . $allchoices[$choice] . ']'] = get_string('formerror_multipledraginstance', 'qtype_ddimageortext', $choice);
$errors['drags[' . ($choice - 1) . ']'] = get_string('formerror_multipledraginstance2', 'qtype_ddimageortext', $choice);
}
$allchoices[$choice] = $i;
} else {
if ($ytoppresent || $xleftpresent || $labelpresent) {
$errors["drops[{$i}]"] = get_string('formerror_noimageselected', 'qtype_ddimageortext');
}
}
}
for ($dragindex = 0; $dragindex < $data['noitems']; $dragindex++) {
$label = $data['drags'][$dragindex]['draglabel'];
if ($data['dragitemtype'][$dragindex] == 'word') {
$allowedtags = '<br><sub><sup><b><i><strong><em>';
$errormessage = get_string('formerror_disallowedtags', 'qtype_ddimageortext');
} else {
$allowedtags = '';
$errormessage = get_string('formerror_noallowedtags', 'qtype_ddimageortext');
}
if ($label != strip_tags($label, $allowedtags)) {
$errors["drags[{$dragindex}]"] = $errormessage;
}
}
return $errors;
}
public function validation($data, $files)
{
$errors = parent::validation($data, $files);
$bgimagesize = $this->get_image_size_in_draft_area($data['bgimage']);
if ($bgimagesize === null) {
$errors["bgimage"] = get_string('formerror_nobgimage', 'qtype_ddmarker');
}
$allchoices = array();
for ($i = 0; $i < $data['nodropzone']; $i++) {
$choice = $data['drops'][$i]['choice'];
$choicepresent = $choice !== '0';
if ($choicepresent) {
//test coords here
if ($bgimagesize !== null) {
$shape = $data['drops'][$i]['shape'];
$coordsstring = $data['drops'][$i]['coords'];
$shapeobj = qtype_ddmarker_shape::create($shape, $coordsstring);
$interpretererror = $shapeobj->get_coords_interpreter_error();
if ($interpretererror !== false) {
$errors["drops[{$i}]"] = $interpretererror;
} else {
if (!$shapeobj->inside_width_height($bgimagesize)) {
$errorcode = 'shapeoutsideboundsofbgimage';
$errors["drops[{$i}]"] = get_string('formerror_' . $errorcode, 'qtype_ddmarker');
}
}
}
} else {
if (trim($data['drops'][$i]['coords']) !== '') {
$errorcode = 'noitemselected';
$errors["drops[{$i}]"] = get_string('formerror_' . $errorcode, 'qtype_ddmarker');
}
}
}
for ($dragindex = 0; $dragindex < $data['noitems']; $dragindex++) {
$label = $data['drags'][$dragindex]['label'];
if ($label != strip_tags($label, QTYPE_DDMARKER_ALLOWED_TAGS_IN_MARKER)) {
$errors["drags[{$dragindex}]"] = get_string('formerror_onlysometagsallowed', 'qtype_ddmarker', QTYPE_DDMARKER_ALLOWED_TAGS_IN_MARKER);
}
}
return $errors;
}
