public void nodeAdded(String fqn) {
MyNode n, p;
n = root.add(fqn);
if (n != null) {
p = (MyNode) n.getParent();
tree_model.reload(p);
jtree.scrollPathToVisible(new TreePath(n.getPath()));
}
}
private String textGen(TreePath p) {
MyNode selectedNode = (MyNode) p.getLastPathComponent();
String text = "men allt som";
int n = selectedNode.getPath().length;
for (int i = n - 1; i >= 0; i--) {
text = text + " är " + selectedNode.getPath()[i].toString();
}
return text;
}
public void nodeRemoved(String fqn) {
MyNode n;
TreeNode par;
n = root.findNode(fqn);
if (n != null) {
n.removeAllChildren();
par = n.getParent();
n.removeFromParent();
tree_model.reload(par);
}
}
MyNode findNode(String fqn) {
MyNode curr, n;
StringTokenizer tok;
String child_name;
if (fqn == null) return null;
curr = this;
tok = new StringTokenizer(fqn, ReplicatedTreeView.SEP);
while (tok.hasMoreTokens()) {
child_name = tok.nextToken();
n = curr.findChild(child_name);
if (n == null) return null;
curr = n;
}
return curr;
}
private void showDetails(TreePath p) {
if (p == null) {
return;
}
MyNode selectedNode = (MyNode) p.getLastPathComponent();
String textPath = textGen(p);
JOptionPane.showMessageDialog(
this,
selectedNode.getLevelName()
+ ": "
+ selectedNode.getUserObject()
+ "\n"
+ selectedNode.getText()
+ "\n"
+ textPath);
}
/**
* Adds a new node to the view. Intermediary nodes will be created if they don't yet exist.
* Returns the first node that was created or null if node already existed
*/
public MyNode add(String fqn) {
MyNode curr, n, ret = null;
StringTokenizer tok;
String child_name;
if (fqn == null) return null;
curr = this;
tok = new StringTokenizer(fqn, ReplicatedTreeView.SEP);
while (tok.hasMoreTokens()) {
child_name = tok.nextToken();
n = curr.findChild(child_name);
if (n == null) {
n = new MyNode(child_name);
if (ret == null) ret = n;
curr.add(n);
}
curr = n;
}
return ret;
}
private MyNode readNode() {
String text = null;
String level = null;
String name = null;
MyNode retNode = null;
if (s.hasNextLine()) {
try {
String[] lineArray = thisLine.split("> ");
text = lineArray[1];
level = lineArray[0].split(" namn=")[0];
name = lineArray[0].split(" namn=")[1];
if (!level.startsWith("<") | !name.startsWith("\"") | !name.endsWith("\"")) {
throw new Exception();
} else {
level = level.substring(1);
name = name.substring(1, name.length() - 1);
}
} catch (Exception e) {
System.err.println("Parse error");
e.printStackTrace();
System.exit(1);
}
retNode = new MyNode(name, level, text);
thisLine = s.nextLine();
while (!thisLine.startsWith("</")) {
retNode.add(readNode());
thisLine = s.nextLine();
}
}
return retNode;
}
/** Recursively adds GUI nodes starting from fqn */
void addGuiNode(String fqn) {
Set children;
String child_name;
if (fqn == null) return;
// 1 . Add myself
root.add(fqn);
// 2. Then add my children
children = tree.getChildrenNames(fqn);
if (children != null) {
for (Iterator it = children.iterator(); it.hasNext(); ) {
child_name = (String) it.next();
addGuiNode(fqn + SEP + child_name);
}
}
}