Create Three Level Tree : Tree « SWT « Java Tutorial

Home
Java Tutorial
1.Language
2.Data Type
3.Operators
4.Statement Control
5.Class Definition
6.Development
7.Reflection
8.Regular Expressions
9.Collections
10.Thread
11.File
12.Generics
13.I18N
14.Swing
15.Swing Event
16.2D Graphics
17.SWT
18.SWT 2D Graphics
19.Network
20.Database
21.Hibernate
22.JPA
23.JSP
24.JSTL
25.Servlet
26.Web Services SOA
27.EJB3
28.Spring
29.PDF
30.Email
31.J2ME
32.J2EE Application
33.XML
34.Design Pattern
35.Log
36.Security
37.Apache Common
38.Ant
39.JUnit
Java Tutorial » SWT » Tree 
17.57.4.Create Three Level Tree
Create Three Level Tree
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;

public class TreeThreeLevel {

  public static void main(String[] args) {

    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    
    final Tree tree = new Tree(shell, SWT.BORDER);
    for (int i = 0; i < 3; i++) {
      TreeItem item = new TreeItem(tree, SWT.NONE);
      item.setText("item " + i);
      for (int j = 0; j < 3; j++) {
        TreeItem subItem = new TreeItem(item, SWT.NONE);
        subItem.setText("item " + i + " " + j);
        for (int k = 0; k < 3; k++) {
          TreeItem subsubItem = new TreeItem(subItem, SWT.NONE);
          subsubItem.setText("item " + i + " " + j + " " + k);
        }
      }
    }

    shell.setSize(400400);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}
17.57.Tree
17.57.1.Trees
17.57.2.Create a TreeCreate a Tree
17.57.3.Populate tree lazilyPopulate tree lazily
17.57.4.Create Three Level TreeCreate Three Level Tree
17.57.5.Insert TreeItem to TreeInsert TreeItem to Tree
17.57.6.Add checkbox mark to the tree nodeAdd checkbox mark to the tree node
17.57.7.A multiselection treeA multiselection tree
17.57.8.A single-selection treeA single-selection tree
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.