public int getChildCount(Object parent) {
if (parent instanceof RootNode) {
return this.commandHistory.getSessionCount();
} else if (parent instanceof Session) {
Session session = (Session) parent;
return session.commandCount();
}
return -1;
}
public Object getChild(Object parent, int index) {
if (parent instanceof RootNode) {
return this.commandHistory.getSession(this.commandHistory.getSessionCount() - 1 - index);
} else if (parent instanceof Session) {
Session session = (Session) parent;
return session.getCommand(session.commandCount() - 1 - index);
}
return null;
}
public int getIndexOfChild(Object parent, Object child) {
if (parent instanceof RootNode) {
return indexReverser(
this.commandHistory.getSessionCount(),
this.commandHistory.indexOfSession((Session) child));
} else if (parent instanceof Session) {
Session session = (Session) parent;
return indexReverser(session.commandCount(), session.indexOfCommand((String) child));
}
return -1;
}