Exemplo n.º 1
0
  public static void ensureSelection(JTree tree) {
    final TreePath[] paths = tree.getSelectionPaths();

    if (paths != null) {
      for (TreePath each : paths) {
        if (tree.getRowForPath(each) >= 0 && tree.isVisible(each)) {
          return;
        }
      }
    }

    for (int eachRow = 0; eachRow < tree.getRowCount(); eachRow++) {
      TreePath eachPath = tree.getPathForRow(eachRow);
      if (eachPath != null && tree.isVisible(eachPath)) {
        tree.setSelectionPath(eachPath);
        break;
      }
    }
  }
Exemplo n.º 2
0
  public void getPaths(JTree tree, TreePath parent, boolean expanded, List list) {
    // Return if node is not expanded
    if (expanded && !tree.isVisible(parent)) {
      return;
    }

    // Add node to list
    list.add(parent);

    // Create paths for all children
    TreeNode node = (TreeNode) parent.getLastPathComponent();
    if (node.getChildCount() >= 0) {
      for (Enumeration e = node.children(); e.hasMoreElements(); ) {
        TreeNode n = (TreeNode) e.nextElement();
        TreePath path = parent.pathByAddingChild(n);
        getPaths(tree, path, expanded, list);
      }
    }
  }