Java
/
Swing
- 1 Basics 9
-
Classes S
-
Objects S
-
Arrays S
-
Variables S
-
Loops S
-
Numbers S
-
Strings S
-
Exceptions S
-
Regexp S
- 2 OOP 9
-
Inheritance
-
Polymorphism
-
Static S
-
Abstract
-
Interfaces
-
Constructors S
-
Packages
-
Nested Classes
-
Final
- 3 Compiler 2
-
Sublime Text S
-
Apache Ant
- 4 Collections 8
-
Lists
-
Comparable S
-
Sets
-
Maps
-
Generics
-
Properties
-
Streams
-
Json
- 5 Threads 4
-
Create Thread S
-
Sleep
-
Lock
-
Scheduler
- 6 Design Patterns 4
-
Singleton
-
Observer
-
Strategy
-
Mediator
- 7 Swing 12
-
Frame
-
Panel
-
Listener
-
Combo Box
-
Label
-
Image
-
Menu
-
Table
-
Layout
-
Drawing
-
Timer
-
Designer
- 8 I/O 7
-
Streams IO
-
Socket
-
Watching Files
-
Mail
-
Logger
-
Clipboard
-
Encrypt S
- 9 Effective 7
-
Constructors S
-
Dependency Injection
-
Composition
-
Interfaces Default
-
Import Static S
-
Enums
-
Lambdas
- 10 Junit 5
-
About Junit S
-
Test Case
-
Suite Test
-
Annotations
-
Exceptions
- 11 Lambdas 7
-
Expressions S
-
Functional Interfaces
-
Streams
-
Common Operations
-
Default Methods
-
Static Methods S
-
Single Responsibility
- 12 JavaFX 6
-
Openjfx
-
Scene Builder
-
First App
-
Jar Archive
-
On Action
-
Change Listener
- 13 Maven 4
-
Demo
-
Spring Boot
-
Junit
-
Guava
- 14 Spring Boot 13
-
Quick start S
-
Rest service S
-
Consuming rest S
-
Templates S
-
Security auth S
-
Command line S
-
Scheduled task S
-
Ajax S
-
Jdbc mysql S
-
Encrypt password S
-
Https S
-
Jwt S
-
Post request S
R
Q
Designer
With Netbeans GUI Builder you can create user interface with drag and drop. You can switch between code and design (Editors: Source / Design) Add Swing containers in the Designer.
#JFrame Form
Netbeans > New Project ... Java
Package > New JFrame Form ... App
#Menu Bar
Frame: Menu Bar (add)
Menu: Menu Item (add)
# Panels
Frame: Tabbed Pane (add)
Tabbed Pane: Panel (add 3, change color background to panels)
Code Generated
The code behind will be like this
copy
public class App extends javax.swing.JFrame {
public App() {
initComponents();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jMenuBar1 = new javax.swing.JMenuBar();
jMenu1 = new javax.swing.JMenu();
jMenuItem2 = new javax.swing.JMenuItem();
jMenu2 = new javax.swing.JMenu();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jMenu1.setText("File");
jMenuItem2.setAccelerator(javax.swing.KeyStroke.getKeyStroke(
java.awt.event.KeyEvent.VK_O, java.awt.event.InputEvent.CTRL_MASK)
);
jMenuItem2.setText("Open");
jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem2ActionPerformed(evt);
}
});
jMenu1.add(jMenuItem2);
jMenuBar1.add(jMenu1);
jMenu2.setText("Edit");
jMenuBar1.add(jMenu2);
setJMenuBar(jMenuBar1);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 293, Short.MAX_VALUE)
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 183, Short.MAX_VALUE)
);
pack();
}// </editor-fold>
private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new App().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JMenu jMenu1;
private javax.swing.JMenu jMenu2;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JMenuItem jMenuItem2;
// End of variables declaration
}
Code Custom
Add code to attach menu to Tabbed Pane. When you select File > Open the second panel is displayed.
copy
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JPanel;
public class App extends javax.swing.JFrame {
public App() {
initComponents();
changePanel(jPanel1); // --- Look Here
jMenuItem2.addActionListener(new MenuAction(jPanel2));
}
private class MenuAction implements ActionListener {
private JPanel panel;
private MenuAction(JPanel panel) {
this.panel = panel;
}
@Override
public void actionPerformed(ActionEvent e) {
changePanel(panel);
}
}
public void changePanel(JPanel panel) {
getContentPane().removeAll();
getContentPane().add(panel, BorderLayout.CENTER);
getContentPane().doLayout();
validate();
repaint();
}
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jTabbedPane1 = new javax.swing.JTabbedPane();
jPanel1 = new javax.swing.JPanel();
jPanel2 = new javax.swing.JPanel();
jPanel3 = new javax.swing.JPanel();
jMenuBar1 = new javax.swing.JMenuBar();
jMenu1 = new javax.swing.JMenu();
jMenuItem2 = new javax.swing.JMenuItem();
jMenu2 = new javax.swing.JMenu();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jTabbedPane1.setBackground(new java.awt.Color(255, 0, 0));
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 272, Short.MAX_VALUE)
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 140, Short.MAX_VALUE)
);
jTabbedPane1.addTab("tab1", jPanel1);
jPanel2.setBackground(new java.awt.Color(255, 0, 51));
javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
jPanel2.setLayout(jPanel2Layout);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 272, Short.MAX_VALUE)
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 140, Short.MAX_VALUE)
);
jTabbedPane1.addTab("tab2", jPanel2);
javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
jPanel3.setLayout(jPanel3Layout);
jPanel3Layout.setHorizontalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 272, Short.MAX_VALUE)
);
jPanel3Layout.setVerticalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 140, Short.MAX_VALUE)
);
jTabbedPane1.addTab("tab3", jPanel3);
jMenu1.setText("File");
jMenuItem2.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_O, java.awt.event.InputEvent.CTRL_MASK));
jMenuItem2.setText("Open");
jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem2ActionPerformed(evt);
}
});
jMenu1.add(jMenuItem2);
jMenuBar1.add(jMenu1);
jMenu2.setText("Edit");
jMenuBar1.add(jMenu2);
setJMenuBar(jMenuBar1);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jTabbedPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 272, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(16, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addGap(0, 14, Short.MAX_VALUE)
.addComponent(jTabbedPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 169, javax.swing.GroupLayout.PREFERRED_SIZE))
);
pack();
}// </editor-fold>
private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new App().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JMenu jMenu1;
private javax.swing.JMenu jMenu2;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JMenuItem jMenuItem2;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JPanel jPanel3;
private javax.swing.JTabbedPane jTabbedPane1;
// End of variables declaration
}
➥ Questions
Last update: 520 days ago