private function buildAssociableHotspotCollection(array $responsePositions, $imageObjectWidth, $imageObjectHeight)
{
$associableHotspotCollection = new AssociableHotspotCollection();
foreach ($responsePositions as $index => $responsePosition) {
// Let's just make an assumption these images will have width of 100px and height of 20px
$rectangleWidth = 100;
$rectangleHeight = 20;
$coords = QtiCoordinateUtil::convertPercentageToQtiCoords($responsePosition, $imageObjectWidth, $imageObjectHeight, $rectangleWidth, $rectangleHeight);
$associableHotspot = new AssociableHotspot(self::ASSOCIABLEHOTSPOT_IDENTIFIER_PREFIX . $index, 1, QtiShape::RECT, $coords);
$associableHotspotCollection->attach($associableHotspot);
}
return $associableHotspotCollection;
}
public static function build($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);
}
