private void getNewNodes() {
Vector levelNodes = new Vector();
Vector nextLevelNodes = new Vector();
Vector passedNodes = new Vector();
levelNodes.add(centerNode.name);
for (int level = 0; level <= Config.navigationDepth; level++) {
for (Enumeration e = levelNodes.elements(); e.hasMoreElements(); ) {
String nodeName = (String) e.nextElement();
if (!passedNodes.contains(nodeName)) {
passedNodes.add(nodeName);
Node node = graph.nodeFromName(nodeName);
if (node == null) {
node = xmlReader.getNode(nodeName);
graph.add(node);
}
node.passed = true;
Set linkSet = node.links.keySet();
for (Iterator it = linkSet.iterator(); it.hasNext(); ) {
String neighbourName = (String) it.next();
if (!passedNodes.contains(neighbourName) && !levelNodes.contains(neighbourName)) {
nextLevelNodes.add(neighbourName);
}
}
}
}
levelNodes = nextLevelNodes;
nextLevelNodes = new Vector();
}
}
public void navigateFirst(String nodeName) {
Node node = xmlReader.getNode(nodeName);
graph.add(node);
navigateTo(node);
}
