EdgeController.java 文件源码

private void initializeSelectListener() {
    SelectHelper.elementsToBeSelected.addListener(new ListChangeListener<Nearable>() {
        @Override
        public void onChanged(final Change<? extends Nearable> c) {
            while (c.next()) {
                if (c.getAddedSize() == 0) return;

                for (final Nearable nearable : SelectHelper.elementsToBeSelected) {
                    if (nearable instanceof Edge) {
                        if (nearable.equals(getEdge())) {
                            SelectHelper.addToSelection(EdgeController.this);
                            break;
                        }
                    }
                }
            }
        }
    });
}