Java Utililty Methods JTree Expand

List of utility methods to do JTree Expand

Description

The list of methods to do JTree Expand are organized into topic(s).

Method

voidexpandAll(JTree tree)
Expand all nodes of a tree.
expandAll(tree, new TreePath(tree.getModel().getRoot()));
voidexpandAll(JTree tree)
Expands all the rows in the JTree
int row = 0;
while (row < tree.getRowCount()) {
    tree.expandRow(row);
    row++;
voidexpandAll(JTree tree, boolean expand)
Expands or Collapses all tree nodes in the given JTree.
expandAll(tree, expand, new TreePath(tree.getModel().getRoot()));
voidexpandAll(JTree tree, boolean expand)
expand All
TreeNode root = (TreeNode) tree.getModel().getRoot();
expandAll(tree, new TreePath(root), expand);
voidexpandAllNode(JTree tree, TreePath parent)
expand All Node
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);
        expandAllNode(tree, path);
tree.expandPath(parent);
voidexpandAllNodes(final JTree tree)
Expands all nodes in the specified tree.
int j = 0;
while (j < tree.getRowCount()) {
    tree.expandRow(j++);
voidexpandAllNodes(JTree tree)
expand All Nodes
for (int i = 0; i < tree.getRowCount(); i++)
    tree.expandRow(i);
voidexpandAllNodes(JTree tree)
Expands all nodes in a tree
for (int i = 0; i < tree.getRowCount(); i++) {
    tree.expandRow(i);
voidexpandAllNodes(JTree tree, int startingIndex, int rowCount)
expand All Nodes
for (int i = startingIndex; i < rowCount; ++i) {
    tree.expandRow(i);
if (tree.getRowCount() != rowCount) {
    expandAllNodes(tree, rowCount, tree.getRowCount());
voidexpandAllNodes(JTree tree, int startingIndex, int rowCount)
expand All Nodes
for (int i = startingIndex; i < rowCount; ++i) {
    tree.expandRow(i);
if (tree.getRowCount() != rowCount) {
    expandAllNodes(tree, rowCount, tree.getRowCount());