Java Utililty Methods JTree Create

List of utility methods to do JTree Create

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Description

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

Method

EnumerationcreateEnumeration(String className, TreeNode root)
create Enumeration 
try {
    Class clazz = Class.forName("javax.swing.tree.DefaultMutableTreeNode$" + className);
    Constructor constructor = clazz.getDeclaredConstructor(DefaultMutableTreeNode.class, TreeNode.class);
    constructor.setAccessible(true);
    return (Enumeration<TreeNode>) constructor.newInstance(new DefaultMutableTreeNode(), root);
} catch (Exception e) {
    e.printStackTrace();
return null;
TreeCellRenderercreateSimpleTreeCellRenderer(ImageIcon icon)
create Simple Tree Cell Renderer 
return createSimpleTreeCellRenderer(null, icon, new JTree().getFont());
JTreecreateTree()
create Tree 
DefaultMutableTreeNode top = new DefaultMutableTreeNode("home");
top.add(new DefaultMutableTreeNode("Alice"));
top.add(new DefaultMutableTreeNode("Bob"));
top.add(new DefaultMutableTreeNode("Eve"));
JTree tree = new JTree(top);
return tree;
voidcreateTree(JTree jTree1, String[] leaves)
create Tree 
DefaultMutableTreeNode root = new DefaultMutableTreeNode("", true);
jTree1.setModel(new DefaultTreeModel(root));
jTree1.setRootVisible(false);
DefaultMutableTreeNode currentNode = root;
Map<String, DefaultMutableTreeNode> pathList = new HashMap<String, DefaultMutableTreeNode>();
for (int i = 0; i < leaves.length; i++) {
    String[] s = leaves[i].split("/");
    for (int j = 0; j < s.length; j++) {
...
MutableTreeNodecreateTreeNode(String text, int depth)
Creates a random tree of nodes of type MutableTreeNode (actually: DefaultMutableTreeNode). 
DefaultMutableTreeNode node = new DefaultMutableTreeNode(text);
if (--depth >= 0)
    for (int i = bellCurve(); --i >= 0;)
        node.add(createTreeNode(createCellValue(), depth));
return node;