private function buildGapImgCollection(array $possibleResponses, $matchMax)
{
$gapImageCollection = new GapImgCollection();
foreach ($possibleResponses as $index => $possibleResponse) {
$html = new SimpleHtmlDom();
$html->load($possibleResponse);
$img = $html->find('img');
// Detect `img` and make sure it is an image
if (count($img) === 1) {
// TODO: Validation these attributes exists
$src = $img[0]->src;
$imagesize = getimagesize(CurlUtil::prepareUrlForCurl($src));
$gapImageObject = new Object($src, $imagesize['mime']);
$gapImageObject->setWidth($imagesize[0]);
$gapImageObject->setHeight($imagesize[1]);
// No `img` assuming its all text
} elseif (count($img) === 0) {
$gapImageObject = $this->convertTextToObjectWithBase64ImageString($possibleResponse);
} else {
throw new MappingException('Does not support mapping `possible_responses` as HTML, has to be either just a single `image` or `text`');
}
$gapImageCollection->attach(new GapImg(self::GAPIMG_IDENTIFIER_PREFIX . $index, $matchMax, $gapImageObject));
}
return $gapImageCollection;
}
public static function build($identifier, $bgObject, $gapImgs, $hotspots)
{
$gapImgCollection = new GapImgCollection();
foreach ($gapImgs as $id => $data) {
$obj = new Object($data, 'image/png');
$gapImg = new GapImg($id, 1, $obj);
$gapImgCollection->attach($gapImg);
}
$associableHotspotCollection = new AssociableHotspotCollection();
foreach ($hotspots as $id => $data) {
$coords = new QtiCoords(QtiShape::RECT, $data);
$associableHotspot = new AssociableHotspot($id, 1, QtiShape::RECT, $coords);
$associableHotspotCollection->attach($associableHotspot);
}
return new GraphicGapMatchInteraction($identifier, $bgObject, $gapImgCollection, $associableHotspotCollection);
}