public static TreePath[] selectMaximals(final TreePath[] paths) {
if (paths == null) return new TreePath[0];
final TreePath[] noDuplicates = removeDuplicates(paths);
final ArrayList<TreePath> result = new ArrayList<TreePath>();
for (final TreePath path : noDuplicates) {
final ArrayList<TreePath> otherPaths = new ArrayList<TreePath>(Arrays.asList(noDuplicates));
otherPaths.remove(path);
if (!isDescendants(path, otherPaths.toArray(new TreePath[otherPaths.size()])))
result.add(path);
}
return result.toArray(new TreePath[result.size()]);
}
private static TreePath[] removeDuplicates(final TreePath[] paths) {
final ArrayList<TreePath> result = new ArrayList<TreePath>();
for (final TreePath path : paths) {
if (!result.contains(path)) result.add(path);
}
return result.toArray(new TreePath[result.size()]);
}
public static TreePath getPathFromRoot(TreeNode node) {
final ArrayList<TreeNode> path = new ArrayList<TreeNode>();
do {
path.add(node);
node = node.getParent();
} while (node != null);
Collections.reverse(path);
return new TreePath(path.toArray());
}
public void selectElements(ClassMember[] elements) {
ArrayList<TreePath> selectionPaths = new ArrayList<TreePath>();
for (ClassMember element : elements) {
MemberNode treeNode = myElementToNodeMap.get(element);
if (treeNode != null) {
selectionPaths.add(new TreePath(((DefaultMutableTreeNode) treeNode).getPath()));
}
}
myTree.setSelectionPaths(selectionPaths.toArray(new TreePath[selectionPaths.size()]));
}
private void restoreSelection(Pair<ElementNode, List<ElementNode>> pair) {
List<ElementNode> selectedNodes = pair.second;
DefaultMutableTreeNode root = getRootNode();
ArrayList<TreePath> toSelect = new ArrayList<TreePath>();
for (ElementNode node : selectedNodes) {
DefaultMutableTreeNode treeNode = (DefaultMutableTreeNode) node;
if (root.isNodeDescendant(treeNode)) {
toSelect.add(new TreePath(treeNode.getPath()));
}
}
if (!toSelect.isEmpty()) {
myTree.setSelectionPaths(toSelect.toArray(new TreePath[toSelect.size()]));
}
ElementNode leadNode = pair.first;
if (leadNode != null) {
myTree.setLeadSelectionPath(new TreePath(((DefaultMutableTreeNode) leadNode).getPath()));
}
}