public InsertItemOperation(final OperationEnvironment environment, final int insertPosition) {
super("Adding item to series", environment);
if (environment.getSubject() == null) {
throw new IllegalArgumentException(
"I need a subject item to insert. Is the makeCopy method implemented?");
}
myInsertPosition = insertPosition;
}
public InsertItemOperation(final OperationEnvironment environment) {
this(environment, environment.getSeries().getItems().size());
}
