private void expandDefaultChangeList(DefaultTreeModel oldModel, ChangesBrowserNode root) {
if (((ChangesBrowserNode) oldModel.getRoot()).getCount() == 0
&& TreeUtil.collectExpandedPaths(this).size() == 1) {
TreeNode toExpand = null;
for (int i = 0; i < root.getChildCount(); i++) {
TreeNode node = root.getChildAt(i);
if (node instanceof ChangesBrowserChangeListNode && node.getChildCount() > 0) {
ChangeList object = ((ChangesBrowserChangeListNode) node).getUserObject();
if (object instanceof LocalChangeList) {
if (((LocalChangeList) object).isDefault()) {
toExpand = node;
break;
}
}
}
}
if (toExpand != null) {
expandPath(new TreePath(new Object[] {root, toExpand}));
}
}
}
@Nullable
private static TreePath getFirstErrorPath(TreePath treePath) {
TreeNode treeNode = (TreeNode) treePath.getLastPathComponent();
if (treeNode instanceof MessageNode) {
AntBuildMessageView.MessageType type = ((MessageNode) treeNode).getType();
if (type == AntBuildMessageView.MessageType.ERROR) {
return treePath;
}
}
if (treeNode.getChildCount() == 0) {
return null;
}
for (int i = 0; i < treeNode.getChildCount(); i++) {
TreeNode childNode = treeNode.getChildAt(i);
TreePath childPath = treePath.pathByAddingChild(childNode);
TreePath usagePath = getFirstErrorPath(childPath);
if (usagePath != null) {
return usagePath;
}
}
return null;
}