if(shape.getGraphicObjectByIndex(i).toString().contains("Dreieck")) {
shape.switchObjectTo(new Dreieck(object.getX(), object.getY(), object.getWidth(), object.getHeight()), i);
}
else if(shape.getGraphicObjectByIndex(i).toString().contains("Rechteck")) {
shape.switchObjectTo(new Rechteck(object.getX(), object.getY(), object.getWidth(), object.getHeight()), i);
}
else if(shape.getGraphicObjectByIndex(i).toString().contains("Kreis")) {
shape.switchObjectTo(new Kreis(object.getX(), object.getY(), object.getWidth(), object.getHeight()), i);
}