Only Text Tree Example : Tree « Swing Components « Java
Only Text Tree Example
// Example from http://www.crionics.com/products/opensource/faq/swing_ex/SwingExamples.html
/* (swing1.1.1beta2) */
import java.awt.BorderLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.UIManager;
import javax.swing.plaf.basic.BasicTreeUI;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
/**
* @version 1.0 04/16/99
*/
public class OnlyTextTreeExample extends JFrame {
public OnlyTextTreeExample() {
super("OnlyTextTreeExample");
String[] strs = { "swing", // 0
"platf", // 1
"basic", // 2
"metal", // 3
"JTree" }; // 4
DefaultMutableTreeNode[] nodes = new DefaultMutableTreeNode[strs.length];
for (int i = 0; i < strs.length; i++) {
nodes[i] = new DefaultMutableTreeNode(strs[i]);
}
nodes[0].add(nodes[1]);
nodes[1].add(nodes[2]);
nodes[1].add(nodes[3]);
nodes[0].add(nodes[4]);
JTree tree = new JTree(nodes[0]);
DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree
.getCellRenderer();
renderer.setOpenIcon(null);
renderer.setClosedIcon(null);
renderer.setLeafIcon(null);
BasicTreeUI ui = (BasicTreeUI) tree.getUI();
ui.setExpandedIcon(null);
ui.setCollapsedIcon(null);
JScrollPane sp = new JScrollPane(tree);
getContentPane().add(sp, BorderLayout.CENTER);
}
public static void main(String args[]) {
try {
UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
} catch (Exception evt) {}
OnlyTextTreeExample frame = new OnlyTextTreeExample();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.setSize(300, 150);
frame.setVisible(true);
}
}
