&& event.getNativeButton() != Event.BUTTON_RIGHT) {
String targetId = getTargetId(event);
if (TransactionGeomIndexUtil.isVertex(targetId)) {
dragTargetId = targetId;
if (dragTransaction == null) {
dragTransaction = (FeatureTransaction) featureTransaction.clone();
}
mapWidget.render(featureTransaction, RenderGroup.VECTOR, RenderStatus.DELETE);
mapWidget.render(dragTransaction, RenderGroup.VECTOR, RenderStatus.ALL);
createTempLines(featureTransaction, event);
}