public boolean resourceIsInUse(String resourceName) {
for (BShapeModel shapeModel : shapeModels.values())
if (shapeModel.getImageName().equals(resourceName)) return true;
return false;
}
public void removeResource(String resourceName) {
for (BShapeModel shapeModel : shapeModels.values())
if (shapeModel.getImageName().equals(resourceName)) shapeModel.setImageName("");
resources.remove(resourceName);
resourceNames.remove(resourceName);
}